JP3416575B2 - Emergency call system terminal device and emergency call system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the location information of a vehicle that has executed an emergency call contact process to an emergency call center, which is a center for police, fire, and emergency calls in an emergency such as a traffic accident or sudden illness. The present invention relates to an emergency call system terminal device and an emergency call system having a function of transmitting data.

[0002]

2. Description of the Related Art Conventionally, in this type of emergency call system terminal device, when a main battery such as a lead-acid battery mounted on a vehicle cannot supply power due to a traffic accident, a breakdown, or the like, Power is supplied from an auxiliary battery instead of the main battery to maintain the operation of the emergency notification system terminal device.

[0003]

However, the auxiliary battery power supply condition in the above-mentioned conventional emergency notification system terminal device is, in any case, when the power supply voltage of the main battery of the vehicle drops. Therefore, there is a problem that the auxiliary battery power is supplied even when the main battery power source voltage drops, such as when the engine is started, and the auxiliary battery power is consumed. In order to prevent this, there is also a method to prevent power consumption of the auxiliary battery by enabling power supply to the auxiliary battery after starting the emergency notification contact process. It becomes impossible to switch the power supply to the auxiliary battery due to the drop of the battery, and there is a problem that the operation of the emergency notification system terminal device cannot be maintained.

The present invention solves the problems in the prior art as described above, and when the voltage of the main battery power source drops, such as when the engine is started, it is possible to prevent the power source from being switched to the auxiliary battery battery. It is intended to provide a terminal device and an emergency call system.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention sets a condition for permitting a power switch from a main battery to an auxiliary battery when the voltage of a conventional main battery drops below a certain value. In addition, the IG power supply (ignition power supply used to supply power to the electrical equipment of the engine system of the vehicle) is a condition that a certain time has elapsed after being supplied, thereby, Even when the main battery power supply voltage drops due to the engine starting after turning on the IG power, it is possible to prevent power consumption of the auxiliary battery without switching to power supply from the auxiliary battery. In an emergency, the power supply voltage of the auxiliary battery It is possible to prevent a situation where an emergency call cannot be made due to a shortage.

The invention according to claim 1 of the present invention is an emergency call capable of supplying power for continuing emergency call contact processing by switching power supply from the main battery and auxiliary battery of the vehicle. In the system terminal device, power is supplied to the electric equipment of the engine system of the vehicle according to the power supply condition from the auxiliary battery .
This is an emergency notification system terminal device that is characterized by adding a condition for permitting switching after a certain time has elapsed after the IG power supply used for turning on the IG power supply. Even when the battery power supply voltage drops, the auxiliary battery does not have to switch to the power supply, and the power consumption of the auxiliary battery can be prevented.

The invention according to claim 2 of the present invention is the above I
After a lapse of a certain time after the G power source is turned on, the control for permitting the power supply from the auxiliary battery is canceled when the IG power source is turned on to turn off the auxiliary battery when the IG power source is turned off. 2. The emergency notification system terminal device according to claim 1, wherein the power supply from the auxiliary battery is prohibited, and the power supply from the auxiliary battery is permitted again after a certain period of time has passed after the IG power was turned on. Therefore, it has an effect of preventing wasteful consumption of the auxiliary battery.

The invention according to claim 3 of the present invention is the above I.
After a certain period of time has passed since the G power was turned on, and A
2. The emergency notification system terminal device according to claim 1, wherein the power supply from the auxiliary battery is permitted when the CC power supply satisfies both conditions after a lapse of a certain time after being turned on. It has an effect of preventing wasteful consumption of the auxiliary battery.

The invention according to claim 4 of the present invention is the above I.
Control for permitting power supply from the auxiliary battery when both conditions are satisfied after a certain period of time has passed since the G power source was turned off and after a certain period of time has passed since the ACC power source was turned on, When the IG power is ON
By releasing at the time of FF or when the ACC power source is turned on, the power supply from the auxiliary battery when the IG power source is turned off or the ACC power source is turned off is prohibited, and the IG power source is turned off again. After a certain period of time has passed since the power was turned on, and when the ACC power supply is off
4. The emergency notification system terminal device according to claim 3, wherein power supply from the auxiliary battery is permitted when both conditions are satisfied after a certain time has elapsed after being turned on from F. It has an effect of preventing wasteful consumption.

The invention according to claim 5 of the present invention is the above I.
After a certain period of time has passed since the G power supply was turned off, or A
2. The emergency notification system terminal device according to claim 1, wherein the power supply from the auxiliary battery is permitted when the CC power supply satisfies any of the conditions after a lapse of a certain time after being turned on. It has an effect of preventing wasteful consumption of the auxiliary battery.

The invention according to claim 6 of the present invention is the above I.
Control for permitting power supply from the auxiliary battery when the G power source satisfies a condition after a certain period of time has passed after being turned on or after a certain period of time has passed after being turned on from the ACC power source, By releasing the IG power supply from ON to OFF or the ACC power supply from ON to OFF, the power supply from the auxiliary battery is prohibited when the IG power supply is OFF or the ACC power supply is OFF, and again, After a certain period of time has passed since the IG power was turned on, or the ACC power was turned off.
The emergency notification system terminal device according to claim 5, wherein the power supply from the auxiliary battery is permitted when any of the conditions after a lapse of a certain time after being turned on from F is satisfied. It has an effect of preventing wasteful consumption.

The invention according to claim 7 of the present invention is the above I.
When both conditions are satisfied after a certain period of time has passed since the G power was turned on, and when it was recognized that the vehicle reached a certain speed or more by a vehicle speed signal from the outside,
2. The emergency notification system terminal device according to claim 1, wherein power supply from the auxiliary battery is permitted, and has an effect of preventing wasteful consumption of the auxiliary battery.

The invention according to claim 8 of the present invention is the above I.
When a certain period of time has passed after the G power source is turned off and after it is turned on, and when the vehicle has recognized that the vehicle has reached a certain speed or more by the vehicle speed signal from the outside, the auxiliary battery is used. The power supply from the auxiliary battery is prohibited when the IG power supply is turned off by releasing the control for permitting the power supply from the IG power supply while the IG power supply is turned off.
Power is supplied from the auxiliary battery when both conditions are satisfied after a certain period of time has passed after being turned on from the FF and when the vehicle speed signal from the outside recognizes that the vehicle has reached a certain speed or more. The emergency notification system terminal device according to claim 7, which has an effect of preventing wasteful consumption of the auxiliary battery.

The invention according to claim 9 of the present invention is the above I.
When a certain period of time has passed since the G power source was turned off and then turned on, or when it was recognized that the vehicle reached a certain speed or more by a vehicle speed signal from the outside, the auxiliary battery was used. 2. The emergency notification system terminal device according to claim 1, wherein the power supply of the auxiliary battery is permitted, which has an effect of preventing wasteful consumption of the auxiliary battery.

The invention according to claim 10 of the present invention recognizes that the vehicle has reached a certain speed or more after a certain period of time has passed since the IG power source was turned off and after the IG power source was turned on, or by a vehicle speed signal from the outside. When any one of the conditions is satisfied, the control for permitting the power supply from the auxiliary battery is released when the IG power source is turned off from the on state, so that the auxiliary battery is turned off when the IG power source is turned off. Either when the power supply is prohibited and the IG power is again turned on for a certain period of time after turning on, or when it is recognized that the vehicle has reached a certain speed or more by the vehicle speed signal from the outside. The terminal device for an emergency call system according to claim 9, wherein power supply from the auxiliary battery is permitted when conditions are satisfied. It has the effect that the wasteful consumption of Lee can be prevented.

According to an eleventh aspect of the present invention, the IG power source is turned off for a certain time after being turned on, the ACC power source is turned off for a certain time after being turned on, and a vehicle speed signal from the outside is used. 2. The emergency notification system terminal device according to claim 1, wherein power supply from the auxiliary battery is permitted when all the conditions when the vehicle reaches a certain speed or more are satisfied. It has an effect of preventing wasteful consumption of the battery.

According to a twelfth aspect of the present invention, after the IG power source has passed a certain period of time after being turned on and after the ACC power source has been turned off for a certain period of time,
And when all the conditions when the vehicle reaches a certain speed or more by the vehicle speed signal from the outside are satisfied,
Control to allow power supply from the auxiliary battery,
Power is supplied from the auxiliary battery when the IG power is turned off and when the ACC power is turned off by releasing the IG power when the IG power is turned from ON to OFF or when the ACC power is turned from ON to OFF. In addition to prohibiting, the IG power supply is turned on again after a certain period of time has passed since it was turned on, and the ACC power supply is turned on again.
After a certain period of time, and when all the conditions when the vehicle reaches a certain speed or more by the vehicle speed signal from the outside are satisfied, power supply from the auxiliary battery is allowed. The emergency notification system terminal device according to claim 11, which has an effect of preventing wasteful consumption of the auxiliary battery.

According to a thirteenth aspect of the present invention, the IG power source is turned on for a certain period of time after being turned on, or the ACC power source is turned off for a certain amount of time after being turned on, or by a vehicle speed signal from the outside. 2. The emergency notification system terminal device according to claim 1, wherein power supply from the auxiliary battery is permitted when any of the conditions when the vehicle reaches a certain speed or more is satisfied, It has an effect of preventing wasteful consumption of the auxiliary battery.

According to a fourteenth aspect of the present invention, the IG power source is turned on after a certain period of time has passed, or the ACC power source has been turned off for a certain period of time after being turned on.
Alternatively, when any of the conditions when the vehicle reaches a certain speed or more by the vehicle speed signal from the outside is satisfied, the control for permitting the power supply from the auxiliary battery is changed from ON to OFF. When the IG power is turned off and when the ACC power is turned off, the power supply from the auxiliary battery is prohibited when the IG power is turned off and the ACC power is turned off. After a certain period of time has passed since the IG power supply was turned off, or when the ACC power supply was turned on
The power supply from the auxiliary battery is allowed when either of the following conditions is satisfied after a certain period of time has passed or when the vehicle reaches a certain speed or more by the vehicle speed signal from the outside. According to another aspect of the present invention, there is provided the emergency notification system terminal device, which has an effect of preventing wasteful consumption of the auxiliary battery.

According to a fifteenth aspect of the present invention, either one of a condition after a certain period of time after the IG power source is turned on and a certain period of time after the ACC power source is turned on is passed, and The emergency call system according to claim 1, wherein power supply from the auxiliary battery is permitted when both conditions when a vehicle reaches a certain speed or more are satisfied by a vehicle speed signal from the outside. It is a terminal device and has an effect of preventing wasteful consumption of the auxiliary battery.

According to a sixteenth aspect of the present invention, there is provided either one of a condition after a lapse of a fixed time after the IG power supply is turned on and a lapse of a predetermined time after the ACC power supply is turned on. When the vehicle has reached a certain speed or more by a vehicle speed signal from the outside, both conditions are satisfied, control for permitting power supply from the auxiliary battery is performed when the IG power is OFF, and ACC
The IG power source OF can be released by releasing it when the power is turned off.
At the time of F, the power supply from the auxiliary battery is prohibited at the time of turning off the ACC power source, and again, after a certain time has passed after the IG power source is turned on, or
If both conditions are met after a certain period of time has passed since the CC power was turned off and when the vehicle reached a certain speed or more by the vehicle speed signal from the outside, the above-mentioned assistance The emergency notification system terminal device according to claim 15, wherein power supply from the battery is permitted, and it has an effect of preventing wasteful consumption of the auxiliary battery.

According to a seventeenth aspect of the present invention, by switching the power supply from the main battery of the vehicle and the power supply from the auxiliary battery of the vehicle, the power supply for reliably continuing the emergency notification contact process is secured. In the emergency call system terminal device capable of controlling the entire emergency call system terminal device, the IG power is input, and the IG power is supplied to the power control circuit after a certain time has elapsed after the IG power was turned on. Power on from off
And a control unit having a control function of outputting a signal notifying that a predetermined time has elapsed or a signal permitting power supply from the auxiliary battery, and supplying power to the emergency notification system terminal device, and the control unit. When a signal notifying that a certain time has passed after the IG power source is turned on from the OFF state or a signal permitting power supply from the auxiliary battery is input, the power can be supplied from the auxiliary battery and An emergency call system terminal device comprising: a power supply control circuit that detects a power supply voltage drop of the main battery when the power supply voltage of the battery drops and controls to switch to the power supply from the auxiliary battery. Even if the main battery power supply voltage drops due to the engine starting after turning on the power, the auxiliary battery Without switching to power supply from, such an action can prevent the power consumption of the auxiliary battery.

The invention according to claim 18 of the present invention comprises the emergency call system terminal device according to any one of claims 1 to 17 and a function for receiving an emergency call transmission signal from the emergency call system terminal device. It is an emergency call system including a center which has an effect of preventing wasteful consumption of the auxiliary battery in the terminal device of the emergency call system and preventing the situation where an emergency call cannot be made due to insufficient power supply voltage of the auxiliary battery in an emergency. Have.

Embodiments of the present invention will now be described in detail with reference to the drawings (Embodiment 1). FIG. 1 is a block diagram showing a configuration of an emergency call system terminal device according to Embodiment 1 of the present invention. is there. In FIG. 1, reference numeral 1 is an emergency call system terminal device having a function of transmitting data such as current vehicle position information to the police, emergency call center, etc. in an emergency such as a traffic accident or sudden illness. Reference numeral 2 denotes a communication antenna that performs a process of transmitting a transmission signal from the emergency call communication unit 11 to a base station of a communication carrier, and a process of outputting a reception signal from the communication service provider to the emergency call communication unit 11. 3 is an emergency call transmission button that a user presses in an emergency such as a traffic accident or sudden illness to generate an operation signal for starting an emergency call contact process. 4 is a GP that receives a date from a GPS satellite.
An S antenna, 5 is a microphone for inputting a transmission voice signal of a user who rides in a vehicle equipped with the emergency call system terminal device 1 when making a hands-free call, and 6 is the police when making a hands-free call , A speaker that makes a sound of a received voice signal from an emergency call center, etc., 7 supplies power to a starter motor at the time of engine start and power supply to the entire vehicle, and at the same time, the emergency call system terminal device 1
It is a main battery that has the function of supplying power to.

In the emergency call system terminal device 1, 1
1 is an emergency call that has a data call function and a voice call function for making a voice call between the user and the police or the emergency call center by voice call while sending data to the police, emergency call center, etc. by telephone call ways to contact,
Reference numeral 12 controls the entire emergency notification system terminal device 1, inputs the IG power source, and turns the IG power source from OFF to O
After a lapse of a certain time after N, the I
A control unit having a control function of outputting a signal notifying that a certain time has passed after the G power source is turned on after turning on, or a signal permitting power supply from the auxiliary battery 19.
Reference numeral 3 denotes a gyro sensor that generates information such as a traveling direction and direction of the vehicle and outputs information such as the traveling direction and direction of the vehicle to the position information acquisition processing unit 14, and 14 denotes a position acquired from an external device such as navigation. The information or the vehicle speed signal input from the vehicle speed signal generation circuit 8, the data from the gyro sensor 13, the data received by the GPS receiver 17 from the GPS antenna 4, the data such as the position information is generated and stored. A position information acquisition processing unit that performs a process of outputting data such as the generated and accumulated position information to the control unit 12 in response to a request for the position information data from the control unit 12, and 15 is an inside of the emergency notification system terminal device 1. In addition to storing information such as telephone numbers for police and emergency call centers, and vehicle registration numbers, The request signal from the section 12, a storage unit for performing the appropriate police, telephone number, such as emergency call centers, and a process for outputting information such as registration number, 1
Reference numeral 6 denotes a hands having functions such as an echo canceling function and a howling prevention function for making a hands-free call between the police, the emergency call center, etc. and a user who rides in a vehicle equipped with the emergency call system terminal device 1. The free system 17 includes the position information acquisition processing unit 1 for acquiring data such as position information from the data input from the GPS antenna 4.
A GPS receiver 18 for performing processing for outputting to 4 and a signal for notifying that the IG power source from the control unit 12 has passed a certain time after turning ON the power source to the emergency notification system terminal device 1 , Or when a signal that allows power supply from the auxiliary battery 19 is input,
A power supply control circuit that enables power supply from the auxiliary battery 19, detects the power supply voltage drop of the main battery 7 when the power supply voltage of the main battery 7 drops, and controls to switch to the power supply from the auxiliary battery 19. , 19 are auxiliary batteries having a function of supplying operating power to the emergency notification system terminal device 1 instead of the power from the main battery 7 when the power supply from the main battery 7 is interrupted due to a trouble or the like.

Next, the operation of the first embodiment will be described. During normal times other than the emergency call contact process, the position information acquisition processing unit 14 inputs data from the gyro sensor 13 that generates information such as the traveling direction and direction of the vehicle, and the GPS receiver 17 receives the GPS antenna 4 from the GPS antenna 4. Position information is generated and stored based on the received data, vehicle speed pulse signal data output according to the number of times the wheels have rotated, and the like. When the user presses the emergency call transmission button 3 in an emergency such as a traffic accident, the emergency call transmission button 3 outputs an operation signal indicating that the emergency call transmission button 3 has been pressed.
It is output to the control unit 12 provided inside, and shifts to the emergency notification contact process. The control unit 12 recognizes that there is an emergency call request by the operation signal from the emergency call transmission button 3,
Start emergency call processing. The control unit 12 outputs a signal requesting the current position information to the position information acquisition processing unit 14,
The position information acquisition processing unit 14 outputs data such as the generated and accumulated position information to the control unit 12 in response to the position information request signal from the control unit 12. The control unit 12
The telephone number of the emergency call center such as the police or the emergency call center is acquired from the storage unit 15, and a call request such as a call is made to the emergency call contact means 11 using the phone number.

The emergency call contact means 11 uses the communication antenna 2 to start a call origination process to a call partner corresponding to the phone number via a base station of a communication carrier. When the emergency call contact means 11 receives a call origination response from the other party or a signal such as a busy signal which shifts during a call, the emergency call contact means 11 recognizes that a call state has been entered, and performs voice call control or data communication control. Along with the shift, a signal notifying that the shift has been made during a call is output to the control unit 12. The control unit 12 determines that the call has succeeded, and obtains the position information acquisition processing unit 14 from the traveling direction of the vehicle,
Information such as orientation, and data such as the location information,
Performs processing to send to the police, emergency call center, etc. that correspond to the above-mentioned telephone number via the telecommunications carrier's base station, etc., and further data such as location information to the police,
Transfer to an emergency call center, etc. When the data communication process is completed, a voice call is made.

When shifting to voice communication, the voice signal received from the emergency call contact means 11 is the hands-free system 1.
Processing such as echo cancellation is performed by 6 and output to the speaker 6. The speaker 6 performs a process of ringing the received voice signal from the hands-free system 16. The transmission voice signal input from the microphone 5 is subjected to processing such as echo cancellation by the hands-free system 16 and output to the emergency notification contact means 11. At the time of a voice call, a voice call is made between the user who rides in the vehicle equipped with the emergency call system terminal device 1 and the operator of the police or the emergency call center, and a report of the accident situation or the like is performed by voice.

In the operation of the emergency call system terminal device 1, when the main battery 7 fails and the + B power supply voltage drops due to a traffic accident, the power supply control circuit 18
Detects the + B power supply voltage drop and switches to the power supply from the auxiliary battery 19 to continue the emergency notification contact process.

On the other hand, under the control of the power supply control circuit 18, I
When the G power source is off, control is performed to prohibit the power supply from the auxiliary battery 19. After the IG power is turned on,
Further, even when the voltage of the power supply (+ B power supply) from the main battery 7 drops due to engine start or the like, the power supply from the auxiliary battery 19 is not switched. When the IG power supply is turned on and a predetermined time has elapsed, the control unit 12 outputs a signal indicating that the IG power supply has been turned on and a predetermined time has elapsed, to the power supply control circuit 18. Power control circuit 18
When a signal indicating that a certain period of time has elapsed after the IG power source is turned on is input from the control unit 12, the state shifts to a state in which power can be supplied from the auxiliary battery 19. In this state, when the voltage of the + B power supply drops, the power supply control circuit 18 detects the voltage drop of the + B power supply and controls the switching to the power supply from the auxiliary battery 19.

As described above, according to the first embodiment,
IG power supply is OF in the power supply condition from the auxiliary battery
By adding a condition to permit after a certain time has passed from ON from F, even if the main battery power supply voltage drops due to engine start after IG power ON, the auxiliary battery does not switch to power supply. It is possible to prevent power consumption.

The fixed time can be set arbitrarily, and by setting it within 10 minutes, 10 minutes or more, or any other time, 10 minutes after the IG power is turned on. Within a period of time, 10 minutes or more, and at any time, the power supply from the auxiliary battery 19 can be switched to a state in which power can be supplied.

(Second Embodiment) Next, the operation of the emergency notification system terminal device according to the second embodiment of the present invention will be described with reference to FIG. When the IG power source shifts from ON to OFF in a state in which the power supply from the auxiliary battery 19 is permitted after a certain time has passed after the IG power source was turned ON, the control unit 12 controls the power source control circuit. A signal for notifying that the IG power supply has changed from ON to OFF is output to 18. When the power supply control circuit 18 receives a signal notifying that the IG power supply has changed from ON to OFF, the power supply control circuit 18 performs control to prohibit the power supply from the auxiliary battery 19. When the IG power is off, the auxiliary battery 19 does not supply power even when the power supply voltage of the main battery 7 drops. Control unit 1
When the IG power supply is turned on again, 2 outputs a signal to the power supply control circuit 18 informing that the IG power supply has changed from OFF to ON after a certain period of time. Power control circuit 18
When a signal informing that the IG power supply has changed from OFF to ON is input, the control for permitting the power supply from the auxiliary battery 19 is performed. When the power supply of the main battery 7 drops after a certain time has passed since the IG power supply was turned on, the power supply from the auxiliary battery 19 is started.

(Third Embodiment) Next, the operation of the emergency notification system terminal device according to the third embodiment of the present invention will be described with reference to FIG. The control unit 12 turns ON the ACC power source (accessory power source used to supply power to electric devices other than the engine system of the vehicle).
When a certain period of time elapses thereafter, a signal indicating that the ACC power supply has changed from OFF to ON is output. Moreover, the control part 12 outputs the signal which shows that the said IG power supply changed from OFF to ON, when the fixed time passes after turning ON the IG power supply. The power supply control circuit 18 uses the AC
C power supply is turned on, and IG power supply is turned off
When a signal indicating that the power has been switched from ON to ON is input, control for permitting power supply from the auxiliary battery 19 is performed.
In a state where the power supply from the auxiliary battery 19 is permitted, the power supply control circuit 18 determines that the main battery 7 is supplied when the power supply from the main battery 7 drops.
Detected that the power supply voltage of the
9 is switched to the power supply, and the power supply to the emergency notification system terminal device 1 is continued.

The IG power source and the ACC power source are OF
After the power is turned on from F, the power supply from the auxiliary battery is allowed, and the IG power is turned on
When it becomes F and when the ACC power supply turns from ON to OFF, the control unit 12 controls the IG power supply from ON to O.
A signal indicating that the FF and ACC power supplies have changed from ON to OFF is output to the power supply control circuit 18. When the power supply control circuit 18 receives a signal indicating that the IG power supply has changed from ON to OFF and the ACC power supply power has changed from ON to OFF, the power supply control circuit 18 performs control to prohibit power supply from the auxiliary battery 19. In the state where the power supply from the auxiliary battery 19 is prohibited, even if the power supply voltage of the main battery 7 drops due to engine start or the like, the control for switching to the power supply from the auxiliary battery 19 is not performed, so that the auxiliary battery 19 It is possible to prevent power consumption of the.

(Embodiment 4) Next, the operation of the emergency notification system terminal device according to Embodiment 4 of the present invention will be described with reference to FIG. When a certain period of time has passed after the ACC power supply was turned on after the ACC power supply was turned on, the control unit 12
It outputs a signal indicating that the power has changed from OFF to ON. Further, the control unit 12 turns the IG power supply from OFF to ON.
After a certain time has passed, the IG power is turned off and then
A signal indicating that the shift to N has been output. The power supply control circuit 18 controls the ACC power supply from OFF to ON or IG
Power Supply When a signal indicating that the power supply has changed from OFF to ON is input, control is performed to allow power supply from the auxiliary battery 19. In a state where the power supply from the auxiliary battery 19 is permitted, the power supply control circuit 18 detects that the power supply voltage of the main battery 7 has dropped when the power supply from the main battery 7 drops.
The power supply is switched from the auxiliary battery 19 and the power supply to the emergency notification system terminal device 1 is continued.

If the IG power supply or the ACC power supply is OF
After the power is turned on from F, the power supply from the auxiliary battery is allowed, and the IG power is turned on
When it becomes F or when the ACC power supply turns from ON to OFF, the control unit 12 controls the IG power supply from ON to O
A signal indicating that the FF or ACC power supply has changed from ON to OFF is output to the power supply control circuit 18. When the power supply control circuit 18 receives a signal indicating that the IG power supply has turned from ON to OFF or the ACC power supply has changed from ON to OFF, the power supply control circuit 18 performs control to prohibit power supply from the auxiliary battery 19. In a state where the power supply from the auxiliary battery 19 is prohibited, even when the power supply voltage of the main battery 7 drops due to engine start or the like, the control for switching to the power supply from the auxiliary battery 19 is not performed, so that the auxiliary battery 1
It is possible to prevent the power consumption of the power source 9 of FIG.

(Fifth Embodiment) Next, the operation of the emergency notification system terminal device according to the fifth embodiment of the present invention will be described with reference to FIG. FIG. 2 shows a configuration in which a vehicle speed signal generation circuit 8 is added to the configuration shown in FIG. 1 and other configurations are the same, so duplicate description of the configuration will be omitted and only the operation will be described.

The control unit 12 turns the IG power supply from OFF to ON.
After a certain time has passed, the IG power is turned off and then
A signal indicating that the shift to N has been output. Further, the control unit 12 receives the vehicle speed signal from the vehicle speed signal generation circuit 8 and, when the vehicle reaches a certain speed or more, outputs a signal indicating that the vehicle has reached the certain speed or more. The power supply control circuit 18 allows the power supply from the auxiliary battery 19 when a signal indicating that the vehicle has reached a certain speed or more after a certain time has passed after the IG power supply is turned on is turned on. I do. In a state where the power supply from the auxiliary battery 19 is permitted, the power supply control circuit 18 detects that the power supply voltage of the main battery 7 drops when the power supply voltage from the main battery 7 drops, and the auxiliary battery 19 The power supply is switched from 19 to continue the power supply to the emergency notification system terminal device 1.

After the IG power source has been turned on for a certain period of time, and when the vehicle has reached a certain speed or more and the power supply from the auxiliary battery is permitted, the IG power source is turned on. When the vehicle is turned off, and when the vehicle is at a speed equal to or higher than a certain speed, the control unit 12 controls the IG power source from ON to OF
A signal indicating that the vehicle has shifted to F and that the vehicle has become below a certain speed is output to the power supply control circuit 18. The power supply control circuit 18 prohibits the power supply from the auxiliary battery 19 when a signal indicating that the IG power supply has been switched from ON to OFF and that the vehicle has become less than or equal to a certain speed is input. Control. In the state where the power supply from the auxiliary battery 19 is prohibited, even if the power supply voltage from the main battery 7 drops due to engine start or the like, the control for switching to the power supply from the auxiliary battery 19 is not performed, so that the auxiliary battery It is possible to prevent consumption of the power supply of 19.

(Sixth Embodiment) Next, the operation of the emergency notification system terminal device according to the sixth embodiment of the present invention will be described with reference to FIG. In the control unit 12, the IG power source is OF
When a certain time has passed after the power was turned on from F, the 1G power supply was turned on.
A signal indicating that the FF is turned on is output. Further, the control unit 12 receives the vehicle speed signal from the vehicle speed signal generation circuit 8 and, when the vehicle reaches a certain speed or more, outputs a signal indicating that the vehicle has reached the certain speed or more. The power supply control circuit 18 operates when the IG power is OFF
After a lapse of a certain time after N, or when a signal indicating that the vehicle has reached a certain speed or more is input, control for permitting power supply from the auxiliary battery 19 is performed. In a state where the power supply from the auxiliary battery 19 is permitted, the power supply control circuit 18 detects that the power supply voltage of the main battery 7 drops when the power supply voltage from the main battery 7 drops, and the auxiliary battery 19 19
The power supply to the emergency notification system terminal device 1 is continued.

After the IG power supply is turned on, the IG power supply is turned off from on after the vehicle has reached a certain speed and the power supply from the auxiliary battery is permitted. In this case, or when the vehicle becomes lower than or equal to a certain speed, the control unit 12 determines that the IG power source has changed from ON to OFF or that the vehicle becomes lower than or equal to a certain speed. The indicated signal is output to the power supply control circuit 18. The power supply control circuit 18 prohibits the power supply from the auxiliary battery 19 when a signal indicating that the IG power supply has changed from ON to OFF or that the vehicle has become less than or equal to a certain speed is input. Take control. In the state where the power supply from the auxiliary battery 19 is prohibited,
Even when the power supply voltage from the main battery 7 drops due to engine start or the like, the power supply to the auxiliary battery 19 can be prevented from being consumed by not performing the control for switching to the power supply from the auxiliary battery 19.

(Embodiment 7) Next, the operation of the emergency notification system terminal device according to Embodiment 7 of the present invention will be described with reference to FIG. In the control unit 12, the IG power source is OF
When a certain time elapses after being turned on from F, the IG power source is turned on.
A signal indicating that the FF is turned on is output. In addition, the control unit 12 outputs a signal indicating that the ACC power supply has changed from OFF to ON when a certain time has elapsed after the ACC power supply was turned ON from ON. In addition, the control unit 12
When a vehicle speed signal is input from the vehicle speed signal generation circuit 8 and the vehicle reaches a certain speed or more, it outputs a signal indicating that the vehicle has reached the certain speed or more. The power supply control circuit 18 operates when the IG power supply and the ACC power supply are OFF
After a lapse of a certain time after N, and when a signal indicating that the vehicle has reached a certain speed or more is input, control for permitting power supply from the auxiliary battery 19 is performed. In a state where the power supply from the auxiliary battery 19 is permitted, the power supply control circuit 18 detects that the power supply voltage of the main battery 7 drops when the power supply voltage from the main battery 7 drops, and the auxiliary battery 19 19
The power supply to the emergency notification system terminal device 1 is continued.

In a state where the IG power source and the ACC power source are turned on, and when the vehicle reaches a certain speed or more and the power supply from the auxiliary battery is permitted, the IG power source and the ACC power source are turned on. O
When N is turned off, and when the vehicle has a speed equal to or lower than a certain speed, the control unit 12 controls that the IG power supply and the ACC power supply are switched from ON to OFF, and the vehicle has a speed higher than a certain speed. A signal indicating that the following has occurred is output to the power supply control circuit 18. When the power supply control circuit 18 inputs a signal indicating that the IG power supply and the ACC power supply have changed from ON to OFF and that the vehicle has become below a certain speed, the power supply from the auxiliary battery 19 is supplied. Control to prohibit supply. In the state where the power supply from the auxiliary battery 19 is prohibited, even if the power supply voltage from the main battery 7 drops due to engine start or the like, the control for switching to the power supply from the auxiliary battery 19 is not performed, so that the auxiliary battery It is possible to prevent consumption of the power supply of 19.

(Embodiment 8) Next, the operation of the emergency notification system terminal device according to Embodiment 8 of the present invention will be described with reference to FIG. In the control unit 12, the IG power source is OF
When a certain time elapses after being turned on from F, the IG power source is turned on.
A signal indicating that the FF is turned on is output. In addition, the control unit 12 outputs a signal indicating that the ACC power supply has changed from OFF to ON when a certain time has elapsed after the ACC power supply was turned ON from ON. In addition, the control unit 12
When a vehicle speed signal is input from the vehicle speed signal generation circuit 8 and the vehicle reaches a certain speed or more, it outputs a signal indicating that the vehicle has reached the certain speed or more. The power supply control circuit 18 operates when the IG power supply or the ACC power supply is OFF.
When a signal indicating that the vehicle has shifted to N or that the vehicle has reached a certain speed or more is input, control for permitting power supply from the auxiliary battery 19 is performed. In a state where the power supply from the auxiliary battery 19 is permitted, the power supply control circuit 18 detects that the power supply voltage of the main battery 7 drops when the power supply voltage from the main battery 7 drops, and the auxiliary battery 19 19
The power supply to the emergency notification system terminal device 1 is continued.

When the IG power source or the ACC power source is turned on, or when the vehicle has reached a certain speed or more and the power supply from the auxiliary battery is permitted, the IG power source or the ACC power source is turned on. O
When N is turned off, or when the vehicle becomes lower than a certain speed, the control unit 12 controls that the IG power source or the ACC power source is changed from ON to OFF, or the vehicle is driven at a certain speed or more. A signal indicating that the following has occurred is output to the power supply control circuit 18. When the power supply control circuit 18 inputs a signal indicating that the IG power supply or the ACC power supply has changed from ON to OFF or that the vehicle has become below a certain speed, the power supply from the auxiliary battery 19 Control to prohibit supply. In the state where the power supply from the auxiliary battery 19 is prohibited, even if the power supply voltage from the main battery 7 drops due to engine start or the like, the control for switching to the power supply from the auxiliary battery 19 is not performed, so that the auxiliary battery It is possible to prevent consumption of the power supply of 19.

(Ninth Embodiment) Next, the operation of the emergency notification system terminal device according to the ninth embodiment of the present invention will be described with reference to FIG. In the control unit 12, the IG power source is OF
When a certain time elapses after being turned on from F, the IG power source is turned on.
A signal indicating that the FF is turned on is output. In addition, the control unit 12 outputs a signal indicating that the ACC power supply has changed from OFF to ON when a certain time has elapsed after the ACC power supply was turned ON from ON. In addition, the control unit 12
When a vehicle speed signal is input from the vehicle speed signal generation circuit 8 and the vehicle reaches a certain speed or more, it outputs a signal indicating that the vehicle has reached the certain speed or more. The power supply control circuit 18 indicates that either the IG power supply has changed from OFF to ON or the ACC power supply has changed from OFF to ON, and that the vehicle has reached a certain speed or more. When the signal shown is input, control is performed to allow power supply from the auxiliary battery 19. In a state where the power supply from the auxiliary battery 19 is permitted, the power supply control circuit 18 causes the main battery 7 to operate when the power supply voltage from the main battery 7 drops.
Detected that the power supply voltage of the
9 is switched to the power supply, and the power supply to the emergency notification system terminal device 1 is continued.

The IG power source is turned on when either the IG power source or the ACC power source is turned on, and when the vehicle reaches a certain speed or more and the power supply from the auxiliary battery is permitted. To OFF
Or when the ACC power supply is ON to OFF
In either case, and when the vehicle has a speed equal to or higher than a certain speed, the control unit 12 controls that either the IG power supply or the ACC power supply is switched from ON to OFF. And a signal indicating that the vehicle has become below a certain speed
Output to. When the power supply control circuit 18 inputs a signal indicating that either the IG power supply or the ACC power supply has changed from ON to OFF, and that the vehicle has become below a certain speed, the auxiliary battery Control is performed to prohibit the power supply from 19. In a state where the power supply from the auxiliary battery 19 is prohibited, even if the power supply voltage from the main battery 7 drops due to engine start or the like, the auxiliary battery 19
It is possible to prevent the power consumption of the auxiliary battery 19 from being consumed by not performing the control for switching to the power supply from the.

[0049]

As is apparent from the above description, according to the emergency call system terminal device of the present invention, it is possible to supply power from the auxiliary battery to the emergency call system terminal device when the main battery fails. the power supply conditions, by the IG power is added to conditions for performing authorization after a certain time after oN from OFF, even when the main battery power supply voltage drops IG power supply due to the engine start after oN, the main at the right time It prohibits switching the power supply from the auxiliary battery due to the voltage drop of the battery to prevent power consumption of the auxiliary battery, and also detects the voltage drop of the vehicle in the normal state other than the emergency call notification state, and detects the voltage from the auxiliary battery. By switching to the power supply, the operation of the emergency notification system terminal device can be maintained. It becomes possible to.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an emergency notification system terminal device according to Embodiments 1 to 4 of the present invention.

FIG. 2 is a block diagram showing a configuration of an emergency call system terminal device according to Embodiments 5 to 9 of the present invention.

[Explanation of symbols]

1 Emergency call system terminal 2 communication antenna 3 Emergency call transmission button 4 GPS antenna 5 microphone 6 speakers 7 Main battery 8 vehicle speed signal generation circuit 11 Emergency call communication means 12 Control unit 13 Gyro sensor 14 Position information acquisition processing unit 15 memory 16 Hands-free system 17 GPS receiver 18 Power supply control circuit 19 Auxiliary battery

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ identification code FI H04Q 9/00 H04Q 9/00 301B (58) Fields investigated (Int.Cl. ⁷ , DB name) G08B 23/00-31 / 00 H02J 9/00-11/00 G08G 1/09 H04M 11/04 H04Q 9/00

Claims (18)

(57) [Claims] 1. An emergency call system terminal device capable of supplying power for continuing emergency call contact processing by switching between power supply from a main battery of a vehicle and power supply from an auxiliary battery. The power supply conditions include the power supply of the engine system of the vehicle.
The IG power supply used to supply power to the
A terminal device for an emergency call system, characterized by adding a condition for permitting switching after a lapse of a certain time after being turned on from FF. 2. The IG power source is released by canceling the control permitting power supply from the auxiliary battery when the IG power source is turned on after the IG power source has been turned on for a certain period of time. 2. The power supply from the auxiliary battery at the time of OFF is prohibited, and the power supply from the auxiliary battery is permitted again after a predetermined time has passed after the IG power supply is turned on. Emergency call system terminal device. 3. The power supply from the auxiliary battery is performed when both conditions are satisfied after a certain period of time has passed since the IG power source was turned off and after a certain period of time has passed since the ACC power source was turned on. The emergency notification system terminal device according to claim 1, wherein the emergency notification system terminal device is permitted. 4. The power supply from the auxiliary battery when both conditions are satisfied after a certain period of time has passed after the IG power source is turned off and after a certain period of time has passed after the ACC power source has been turned on. Power is supplied from the auxiliary battery when the IG power supply is turned off or when the ACC power supply is turned off by releasing the control for allowing the IG power supply from ON to OFF or when the ACC power supply is turned from ON to OFF. In addition to the prohibition, the power supply from the auxiliary battery is again satisfied when both conditions are satisfied after a certain period of time has passed after the IG power source was turned off and after a certain period of time has passed after the ACC power source was turned on. The emergency notification system terminal device according to claim 3, wherein supply is permitted. 5. The power supply from the auxiliary battery is performed when the IG power supply satisfies a certain condition after a certain time elapses from OFF to ON or after a certain time elapses from the ACC power supply from ON to ON. The emergency notification system terminal device according to claim 1, wherein the emergency notification system terminal device is permitted. 6. The power supply from the auxiliary battery when the IG power supply satisfies a condition after a certain time elapses from OFF to ON or after a predetermined time elapses from the ACC power supply to ON. The power supply from the auxiliary battery when the IG power is turned off or when the ACC power is turned off is released by releasing the control for permitting the control when the IG power is turned on or off or when the ACC power is turned on. In addition, when the IG power is again turned on for a certain period of time after being turned on, or when the ACC power is turned on for a certain period of time after being turned on, power is supplied from the auxiliary battery. 6. The emergency notification system terminal device according to claim 5, wherein: 7. When both conditions are satisfied after a certain period of time has passed since the IG power supply was turned off and after it was recognized that the vehicle reached a certain speed or more by a vehicle speed signal from the outside. 2. The emergency notification system terminal device according to claim 1, wherein power supply from the auxiliary battery is permitted. 8. When both conditions are satisfied after a certain period of time has passed since the IG power source was turned off and after it was turned on, and when it was recognized that the vehicle reached a certain speed or more by the vehicle speed signal from the outside. In addition, the control for permitting the power supply from the auxiliary battery is performed when the IG power is turned on.
By releasing at the time of F, the power supply from the auxiliary battery when the IG power supply is turned off is prohibited, and again after a certain time has passed after the IG power supply is turned on from the on state, and by the vehicle speed signal from the outside. 8. The emergency notification system terminal device according to claim 7, wherein power supply from the auxiliary battery is permitted when both conditions when recognizing that a certain speed or more is reached are satisfied. 9. When any of the conditions is satisfied after a certain period of time has passed since the IG power source was turned off and after it was turned on, or when it was recognized that the vehicle reached a certain speed or more by a vehicle speed signal from the outside. 2. The emergency notification system terminal device according to claim 1, wherein power supply from the auxiliary battery is permitted. 10. The condition is satisfied after a certain period of time has passed since the IG power source was turned off and after it was turned on, or when it was recognized that the vehicle reached a certain speed or more by the vehicle speed signal from the outside. In this case, the control for permitting the power supply from the auxiliary battery is released when the IG power source is turned on and off, so that the IG power source is turned off.
In addition to prohibiting the power supply from the auxiliary battery at the time, the vehicle may reach a certain speed again after a certain time elapses after the IG power is turned on or after the vehicle speed signal from the outside. 10. The emergency notification system terminal device according to claim 9, wherein power supply from the auxiliary battery is permitted when any of the conditions at the time of recognition is satisfied. 11. The vehicle has reached a certain speed or more after a certain period of time has passed since the IG power source was turned off and after a certain period of time has passed since the ACC power source was turned on and after a certain period of time has passed since the ACC power source was turned on. 2. The emergency notification system terminal device according to claim 1, wherein the power supply from the auxiliary battery is permitted when all the conditions of time are satisfied. 12. The IG power supply is turned on after a fixed time has passed and the ACC power supply is turned on.
After a lapse of a certain period of time, and when all the conditions when the vehicle reaches a certain speed or more by the vehicle speed signal from the outside are satisfied, the control for permitting the power supply from the auxiliary battery, When the IG power supply is turned off from the ON state, or when the ACC power supply is turned off from the ON state, the IG power supply is released to cancel the IG power supply.
And prohibiting power supply from the auxiliary battery when the ACC power supply is OFF, and again after a certain period of time has passed after the IG power supply is turned ON, and the ACC
Allows power supply from the auxiliary battery after a certain period of time has passed since the power was turned off, and when all the conditions have been met when the vehicle reached a certain speed or more due to the vehicle speed signal from the outside. The emergency notification system terminal device according to claim 11, wherein 13. The vehicle has reached a certain speed or more after a certain period of time has passed since the IG power supply was turned off and after it has been turned on, or after a certain time has passed since the ACC power supply was turned off and turned on, or due to a vehicle speed signal from the outside. 2. The emergency notification system terminal device according to claim 1, wherein power supply from the auxiliary battery is permitted when any one of the conditions of time is satisfied. 14. The IG power supply is turned on after a fixed time has passed or the ACC power supply is turned on.
After a certain period of time has passed, or when any of the conditions when the vehicle reaches a certain speed or more by the vehicle speed signal from the outside is satisfied, a control that permits power supply from the auxiliary battery, The IG power supply is switched from ON to OFF
When the IG power is turned off by releasing the ACC power when the ACC power is turned on,
In addition, the power supply from the auxiliary battery is prohibited when the ACC power is off, and the IG power is turned on again.
Either after a certain period of time after turning on from FF, after a certain period of time after turning on the ACC power source, or when the vehicle reaches a certain speed or more by the vehicle speed signal from the outside, 14. The emergency notification system terminal device according to claim 13, wherein power supply from the auxiliary battery is permitted when the condition is satisfied. 15. The vehicle is kept at a certain level depending on either condition after a certain period of time has passed since the IG power source was turned off and after it was turned on, or after a certain period of time has passed since the ACC power source was turned off and turned on, and a vehicle speed signal from the outside. 2. The emergency notification system terminal device according to claim 1, wherein power supply from the auxiliary battery is permitted when both of the conditions when the speed is reached are satisfied. 16. The IG power supply is turned on after a fixed time has passed, or the ACC power supply is turned on.
The power supply from the auxiliary battery is performed when both of the conditions after the lapse of a certain period of time and the conditions when the vehicle reaches a certain speed or more by the vehicle speed signal from the outside are satisfied. The control to permit the IG power OF
By releasing at the time of F and at the time of turning off the ACC power supply, the power of the IG is turned off and the ACC power supply is turned off.
Power supply from the auxiliary battery at the time of, and again, either one of a condition after a certain time has elapsed after the IG power supply was turned off and after it was turned on, or a certain time after the ACC power supply was turned off and turned on. 16. The power supply from the auxiliary battery is permitted when both conditions when the vehicle reaches a certain speed or more by the vehicle speed signal from the outside are satisfied. Emergency call system terminal device. 17. A terminal device for an emergency call system capable of ensuring power supply for reliably continuing emergency call contact processing by switching between power supply from a main battery of a vehicle and power supply from an auxiliary battery. , Controlling the entire terminal device of the emergency notification system, inputting an IG power source, and turning the IG power source off and on for a certain time after turning on the IG power source,
Performs power supply to the emergency notification system terminal device and a control unit having a control function of outputting a signal notifying that a certain time has passed after the power is turned on or a signal permitting power supply from an auxiliary battery At the same time, when a signal indicating that a certain period of time has passed after turning on the IG power from the control unit or a signal permitting power supply from the auxiliary battery is input, power supply from the auxiliary battery is enabled. In addition, the emergency notification system terminal is provided with a power supply control circuit that detects a power supply voltage drop of the main battery when the power supply voltage of the main battery drops and switches to supply power from the auxiliary battery. apparatus. 18. An emergency notification system comprising the emergency notification system terminal device according to claim 1 and a center having a function of receiving an emergency notification transmission signal from the emergency notification system terminal device.