JP3136929B2 - Cordless iron - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention, when placing the iron portion to stand, and heated by supplying electric power from the stand to a heater incorporated in the base portion of the iron portion, cordless iron to be used in the remaining heat It is about.

[0002]

2. Description of the Related Art Conventionally, cordless irons of this type have been proposed as shown in FIGS. Hereinafter, the configuration will be described.

As shown in the figure, when an iron unit 1 is placed on a stand unit 2, a heater unit 4 for heating a base unit 3 of the iron unit 1 is provided with an electrode P1 provided on the iron unit 1.
And P2, and electrodes P3 and P provided on the stand unit 2.
The electric power is supplied to the heater unit 4 from the commercial power supply 5 and the heater unit 4 is heated by being connected to the commercial power supply 5 provided in the stand unit 2 via the heater 4.

Then, the temperature of the base section 3 is detected by the temperature detecting section 6.
And outputs the temperature signal to the iron-side control unit 7. The temperature signal transmission section 8 transmits a temperature signal to the stand section 2, and is controlled by the iron-side control section 7.
The temperature signal receiving section 9 provided on the stand section 2 receives a temperature signal via the electrode P5 provided on the iron section 1 and the electrode P6 provided on the stand section 2 and outputs the signal to the stand-side control section 10.

[0005] The stand-side control unit 10 determines whether the sent temperature signal is higher or lower than the set temperature set by the temperature setting unit 11, and outputs the result to the heater control unit 12 to control the heater control. The unit 12 is configured to control power supply to the heater unit 4 so as to control the temperature of the base unit 3 to be constant.

The power supply unit 13 supplies power to the ironing unit 1 with a waveform as shown in FIG. 12, and the stand-side display unit 14 displays the temperature set by operating the temperature setting unit 11 and the temperature of the base unit 3. To be displayed, the stand-side control unit 10
Is controlled by

The iron-side display 15 informs that steam can be ironed when the setting is "high", and is controlled by the iron-side controller 7.
FIGS. 13A and 13B show the case where the temperature setting is “high” and “medium”, respectively.
As shown in the figure, regardless of the set temperature, the iron-side display unit 15 is controlled so that the display is turned off when the temperature of the base unit 3 falls below the predetermined temperature T.

In the above configuration, transmission of a temperature signal will be described with reference to FIGS. The temperature signal transmitting section 8 includes a resistor 16 and a switch section 17. When the iron-side control unit 7 provided in the iron unit 1 controls the switch unit 17 to be turned on, the iron unit 1
Has a small impedance, and the voltage from the power supply unit 11 shown in FIG. 11 has a waveform as shown in FIG.

The temperature signal is t based on the temperature of the base 3.
The temperature signal receiving unit 9 provided in the stand unit 2 detects the temperature of the base unit 3 by measuring the time t1 from when the voltage drops to when the voltage next drops. I do.

[0010]

In such a conventional configuration, when the temperature of the base portion 3 is set to "medium" or "low", which is not related to steam, the iron portion 1 is used for the base portion. Since the temperature of No. 3 is not displayed, there is a problem that it is difficult to know how long it can be used.

Further, since a control signal such as a setting signal is not sent from the stand 2 to the iron 1, there is a problem that the iron 1 cannot be controlled from the stand 2.

SUMMARY OF THE INVENTION The object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to make it possible to transmit and receive a setting signal with a simple circuit configuration, to change the display state of the ironing section by the setting signal, and to improve usability.

[0013]

In order to achieve the above object, the present invention comprises an ironing section and a stand section having a commercial power supply on which the ironing section is mounted . a temperature detecting section for detecting a temperature, a first display unit for performing a display operation, and setting the constant signal receiving unit, the temperature
And a first control unit for controlling the first display unit and the output of the detecting unit by the output of the setting signal receiving unit, wherein the stand unit includes a zero voltage detector for detecting zero voltage of the commercial power supply, a temperature setting unit for setting the base unit to an arbitrary temperature, sending the output of the temperature setting unit to the setting signal receiving unit
A setting signal transmitting unit for, a second display unit for performing table示動operation, the outputs of the temperature setting of the zero-voltage detecting unit
A second control unit for controlling the setting signal transmitting unit and the second display unit;
Control unit and a power supply unit for supplying power to the iron unit
The second control unit is provided with a quotient by the zero voltage detection unit.
When the zero voltage of the power supply is detected, the voltage of the power supply section is set to the temperature.
The setting signal is encoded according to the output of the
Transmit from the transmitter to the setting signal receiver of the iron
This is the first problem solving means.

The setting signal transmitting section of the first means for solving the problem is constituted by a first switch section, the second control section controls the first switch section, While transmitting the setting signal in a combination of ON and OFF,
A second problem solving means is that the ON time of the first switch section is longer than the OFF time.

A third aspect of the present invention is that the setting signal receiving section of the first problem solving means is connected in series to the setting signal transmitting section and receives a setting signal obtained by encoding the voltage of the power supply section. It is a means to solve the problem.

A fourth aspect of the present invention is that the setting signal receiving section of the first problem solving means is connected in parallel to the setting signal transmitting section to receive a setting signal obtained by encoding the voltage of the power supply section. It is a means to solve the problem.

The setting signal receiving section of the first problem solving means comprises a constant voltage drop section, a first resistor section, and a second switch section , and the constant voltage drop section and the first resistor section are formed. connected in series, the second switch unit, that it has to detect the voltage across the first resistor portion has a fifth means for solving problems.

Further, in addition to the first means for solving the problems,
A temperature signal transmitting unit for transmitting a temperature signal, which has detected the temperature of the base unit, to the stand unit in the iron unit, and a temperature signal receiving unit for receiving the temperature signal from the iron unit in the stand unit. The temperature signal transmitting section and the temperature signal receiving section are connected in series and connected to a power supply section, and a setting signal is provided.
After a predetermined time from the transmission of the setting signal from the
A sixth aspect of the present invention is to transmit the temperature signal from the temperature signal transmitting section to the temperature signal receiving section .

[0019]

According to the first aspect of the present invention, there is provided:
Since the voltage of the power supply unit is encoded by the setting signal set by the temperature setting unit and the setting signal is transmitted from the stand unit to the ironing unit, the setting signal can be transmitted and received with a simple configuration. The temperature at which the display section is turned off can be changed, and the user can know when to put the iron section on the stand section at any set temperature.

According to the second means for solving the problem, it is possible to transmit and receive a setting signal between the stand and the iron while supplying power from the power supply to the iron during the ON period of the first switch. Become.

Further, according to the third means for solving the problem, the setting signal receiving section is connected in series to the setting signal transmitting section. Therefore, by detecting the voltage encoded by the setting signal, the setting signal receiving section receives the setting signal. The setting signal can be received, and the setting signal can be transmitted and received with a simple configuration.

According to the fourth problem solving means, the setting signal receiving section is connected in parallel to the setting signal transmitting section. The setting signal can be received, and the setting signal can be transmitted and received with a simple configuration.

Further, according to the fifth problem solving means, the setting signal receiving section provided in the ironing section can reliably receive the setting signal with a simple circuit configuration.

According to a sixth aspect of the present invention, the power supply unit provided in the stand unit is commonly used for transmitting and receiving a setting signal from the stand unit to the iron unit and transmitting and receiving a temperature signal from the iron unit to the stand unit. This makes it possible to transmit and receive the setting signal and the temperature signal with a simple circuit configuration.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. The same components as those in the conventional example are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 1, when the iron part 21 is placed on the stand part 22, the base part (not shown) of the iron part 21 is heated by the heater part 4. Is the electrode P provided on the iron part 21
1, P2 and the commercial power supply 5 provided on the stand 22 via the electrodes P3 and P4 provided on the stand 22;
Electric power is supplied from the commercial power supply 5 to the heater unit 4.

Then, the temperature of the base portion is detected by the temperature detecting portion 6, and the temperature signal is provided to the first
Is output to the control unit 23. The temperature signal transmitting section 8 transmits a temperature signal to the stand section 22 and includes a first control section 23.
Is controlled by The temperature signal receiving section 9 provided on the stand section 22 receives a temperature signal via the electrode P5 provided on the ironing section 21 and the electrode P6 provided on the stand section 22 and outputs the signal to the second control section 24.

The second control unit 24 determines whether the sent temperature signal is higher or lower than the set temperature set by the temperature setting unit 11, and outputs the result to the heater control unit 12, The control unit 12 controls the power supply to the heater unit 4 to keep the temperature of the base unit constant. The second display unit 25 displays a set temperature by operating the temperature setting unit 11 and a temperature of the base unit, and is controlled by the second control unit 24.

The setting signal transmitting section 26 transmits the setting signal set by the temperature setting section 11 to the ironing section 21. The setting signal transmitting section 26 is controlled by the second control section 24 and the power supply section 13.
, And the voltage of the power supply unit 13 is encoded by a setting signal and transmitted to the ironing unit 21.

The setting signal receiving section 27 is connected in series to the setting signal transmitting section 26 via the electrode P6 provided on the stand section 22 and the electrode P5 provided on the ironing section 21, and encodes the voltage of the power supply section 13. Upon receiving the setting signal, the first control unit 23
Output to

The first display section 28 performs a display operation under the control of the first control section 23. The first display section 28 is turned on when the temperature of the base section is within a predetermined temperature range provided for each set temperature. Otherwise, by turning off, it informs the user whether ironing is possible or not. Further, the zero voltage detecting unit 29 detects that the voltage of the commercial power supply 5 has become zero.

Next, as shown in FIG. 2, the setting signal transmitting section 26 is composed of a first switch section 30, and the second control section 24 controls the first switch section 30 so that the first The setting signal is transmitted by a combination of ON and OFF of the switch unit 30, and the ON time is set longer than the OFF time.

The setting signal receiving section 27 includes a constant voltage drop section 31, a first resistor section 32, and a second switch section 33. The constant voltage drop section 31 and the first resistor section 32 are connected to each other. They are connected in series, and the second switch section 33 detects the voltage between both ends of the first resistor section 32. Further, the temperature signal transmitting section 8 includes a resistor 16 and a switch section 17, as in the conventional example.

The operation of the above configuration will be described with reference to FIGS. First, the method of generating the setting signal will be described. The setting of each of the “high”, “medium”, “low”, and “off” temperatures is made up of 0 and 1 as shown in (Table 1). Corresponds to the digit number.

[0035]

[Table 1]

The power supply unit 13 supplies a power supply voltage as shown in FIG. 12 to the ironing unit 21, and the second control unit 24 provided in the stand unit 22 receives the output of the zero voltage detection unit 29. If it is found that the voltage of the commercial power supply 5 has become zero, the first switch unit 30 is controlled to be turned off for a predetermined time t2, and to be turned on otherwise.

While the first switch section 30 is off, the power supply voltage is hardly supplied, and the voltage waveform is as shown in FIG. Then, the first switch unit 30
By changing the length of the off-time, the setting signal is transmitted to the ironing unit 21.

Next, the first control section 23 provided in the iron section 21 turns on the switch section 17 of the temperature signal transmission section 8 when a predetermined time t3 has elapsed since the setting signal was transmitted. Therefore, the power supply voltage has a waveform as shown in FIG. As shown in FIG. 4, the temperature signal receiving unit 9 starts measuring time t3 after the time t3 has elapsed since the setting signal transmitting unit 26 transmitted the setting signal, and sets the time t4 until the voltage drops next time. The temperature of the base portion is detected by the calculation.

Next, the method of receiving the setting signal will be described. The waveform shown in FIG. 4 is reduced by the voltage V1 by the constant voltage drop unit 31 as shown in FIG. Is applied with a voltage as shown in FIG. The second switch section 33 is turned off when the voltage across the resistor section 32 is 0 V, and turned on otherwise, and the first control section 23 inputs the result and measures the off-time. To recognize 0 and 1.

For example, when the voltage applied to both ends of the resistance section 32 is a voltage as shown in FIG. 6A, the output of the setting signal receiving section 27 becomes as shown in FIG. 6B. Here, if 0 continues two times, and if 0 continues two more times, the setting is recognized as “high” as shown in (Table 1), and if 1 continues twice, the setting is recognized as “off”. . For example, in FIG. 6B, since “0” continues twice and then “1” and “0”, “low” is obtained.
Recognize that this is a setting.

Next, the first display unit 28 and the second display unit 2
5 will be described with reference to FIGS.

As shown in FIG. 7A, "OFF" of the second display section 25 is turned on at first, and the first display section 28 provided on the ironing section 21 is turned off. When the user sets the temperature to “low” by the temperature setting unit 11 and the temperature of the base unit has reached a temperature usable in the “low” setting, the first display unit 28 of the ironing unit 21 is turned on. Indicates that it can be used. At this time, the second display unit 25 displays “low” which is the set temperature as shown in FIG.

Next, when the user selects the "medium" setting, as shown in FIG. 7C, the second display 25 is changed to "medium" and the current temperature is set to "low". The first display portion 28 is turned off in synchronization with this display change to notify that the iron cannot be used yet. As described above, the first display unit 28 is turned on when the temperature of the base unit is within a predetermined temperature range provided for each set temperature, and is turned off otherwise.

FIGS. 8A, 8B and 8C show the operation of the first display unit 28 when the set temperatures are "high", "medium" and "low", respectively. The temperature T at which the temperature of each section has dropped by a predetermined temperature from the set temperatures Ta, Tb, Tc
The first display unit 28 is operated and displayed up to a ', Tb', and Tc '.

Next, a second embodiment of the present invention will be described with reference to FIG. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in the figure, a first switch unit 30 constituting the setting signal transmitting unit 26 is connected in parallel to a setting signal receiving unit 27, and the setting signal receiving unit 27 encodes the voltage of the power supply unit 13 with a sign. The received setting signal is received.

The operation of the above configuration will be described.
Of the setting signal receiving unit 27 according to the operation of the switch unit 30
Since a voltage as shown in FIG. 5B is applied to both ends of
Setting signals can be transmitted and received between the stand unit and the iron unit in the same manner as in the first embodiment.

As described above, in the present embodiment, the constant voltage drop unit 3 provided in the setting signal receiving unit 27 in the first embodiment.
1 can be deleted, and the configuration can be simplified.

[0049]

As described above, according to the present invention, an iron part,
The iron part comprises a stand part having a commercial power supply on which the iron part is placed, and the iron part detects a temperature of the base part.
A temperature detecting unit that includes a first display unit for performing a display operation, first to control the setting constant signal receiving unit, the first display unit by the output of the output of the temperature detection unit setting signal receiver and a control unit, wherein the stand unit includes a zero voltage detector for detecting zero voltage of the commercial power supply, a temperature setting unit for setting the base unit to an arbitrary temperature, the set output of the temperature setting unit
A setting signal transmitting unit that transmits to the constant signal receiving unit, a second display unit for performing table示動operation, the output and the temperature setting of the zero-voltage detecting unit
The setting signal transmitting unit and the second display by the output of the setting unit
A second control unit for controlling the ironing unit;
A power supply unit for supplying the power,
When the zero voltage of the commercial power supply is detected by the pressure detector,
The voltage is encoded according to the output of the temperature setting section, and the setting signal is
Receiving the setting signal of the ironing section from the setting signal transmitting section
Since the information is transmitted to the unit , the operating temperature of the first display unit can be changed in accordance with the set temperature, so that the user can be properly informed of the time to place the iron unit on the stand unit.

Further, the setting signal transmitting section comprises a first switch section, the second control section controls the first switch section, and the setting signal is transmitted by a combination of ON and OFF of the first switch section. with transmitting, from the longer than the off time Oh <br/> down time of the first switching unit, while supplying power to the iron unit from the power supply unit to the on period of the first switching unit, a stand The setting signal can be transmitted and received between the unit and the ironing unit.

The setting signal receiving section is connected in series with the setting signal transmitting section to receive the setting signal obtained by encoding the voltage of the power supply section. Are connected in series, the setting signal from the setting signal transmitting unit can be received by detecting the voltage encoded by the setting signal, and the setting signal can be transmitted and received with a simple configuration.

The setting signal receiving section is connected in parallel to the setting signal transmitting section so as to receive the setting signal obtained by encoding the voltage of the power supply section. Are connected in parallel, the setting signal from the setting signal transmitting unit can be received by detecting the voltage encoded by the setting signal, and the setting signal can be transmitted and received with a simple configuration.

[0053] Also, setting signal receiving unit is constituted by a constant voltage drop unit and the second switch unit first resistance portion, connects the first resistor portion and a constant voltage drop unit in series, the second switch unit is it is so arranged to detect the voltage across the first resistor portion, it is possible to reliably receive setting signal with a simple circuit configuration.

Further, a temperature signal transmitting section for transmitting a temperature signal detected from the temperature of the base section to the stand section is provided in the iron section, and a temperature signal receiving section for receiving the temperature signal from the iron section in the stand section. The temperature signal transmitting unit and the temperature signal receiving unit are connected in series and connected to a power supply unit, and a setting signal is transmitted from the setting signal transmitting unit.
After a predetermined period of time from the temperature signal transmission unit to the temperature signal reception unit
Since the temperature signal is transmitted, the setting signal and the temperature signal can be transmitted and received with a simple circuit configuration .

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a cordless iron according to a first embodiment of the present invention.

FIG. 2 is a main block diagram showing a configuration of the cordless iron.

FIG. 3 is a waveform diagram of a transmission signal from a setting signal transmission unit of the cordless iron.

FIG. 4 is a waveform diagram of a transmission signal from a temperature signal transmission unit of the cordless iron.

FIG. 5A is a diagram illustrating a transmission signal waveform from a setting signal transmitting unit of the cordless iron. FIG. 5B is a diagram illustrating a signal waveform processed by a setting signal receiving unit of the cordless iron.

FIG. 6A is a signal waveform diagram processed by a setting signal receiving unit of the cordless iron; FIG. 6B is an output signal waveform diagram of a setting signal receiving unit of the cordless iron.

FIG. 7A is a diagram illustrating the operation of the second display unit when the cordless iron is turned off. FIG. 7B is a diagram illustrating the operation of the second display unit when the cordless iron is set to a low setting. Operation explanatory diagram of the second display unit at the time of medium setting

FIG. 8A shows a first state of the cordless iron when the cordless iron is set at a high setting.
(B) Operation explanation diagram of the first display unit when the cordless iron is set to the middle setting (c) Operation explanation diagram of the first display unit when the cordless iron is set to the low setting

FIG. 9 is a main block diagram showing a configuration of a cordless iron according to a second embodiment of the present invention.

FIG. 10 is a perspective view of a conventional cordless iron.

FIG. 11 is a block diagram showing a configuration of the cordless iron.

FIG. 12 is a voltage waveform diagram of a power supply unit of the cordless iron.

FIG. 13A is a diagram illustrating the operation of the iron-side display unit when the cordless iron is set to the high setting. FIG. 13B is a diagram illustrating the operation of the iron-side display unit when the cordless iron is set to the middle position.

FIG. 14 is a main block diagram showing the configuration of the cordless iron.

FIG. 15A is a transmission signal waveform diagram from a temperature signal transmission unit of the cordless iron, and FIG. 15B is an output signal waveform diagram of a setting signal reception unit of the cordless iron.

[Explanation of symbols]

 5 Commercial power supply 11 Temperature setting unit 13 Power supply unit 21 Iron unit 22 Stand unit 23 First control unit 24 Second control unit 25 Second display unit 26 Setting signal transmission unit 27 Setting signal reception unit 28 First display unit 29 Zero voltage detector

──────────────────────────────────────────────────の Continued on the front page (72) Inventor Yoshinori Kataoka 1006 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor Kenjiro Tomita 1006 Okadoma Kadoma, Kazuma Osaka Pref. (72) Inventor Kenji Takenaka 1006 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Keiko Noda 1006 Oji Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. (56) JP-A-6-23199 (JP, A) JP-A-5-15700 (JP, A) JP-A-6-205898 (JP, A) JP-A-7-275597 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) D06F 75/26-79/02

Claims (6)

(57) [Claims] 1. An ironing device comprising : an ironing unit; a stand having a commercial power supply for mounting the ironing unit; a temperature detecting unit for detecting a temperature of a base unit; and a first unit for performing a display operation. a display unit, and setting the constant signal receiving unit, the temperature
And a first control unit for controlling the first display unit and the output of the detecting unit by the output of the setting signal receiving unit, wherein the stand unit includes a zero voltage detector for detecting zero voltage of the commercial power supply, a temperature setting unit for setting the base unit to an arbitrary temperature, sending the output of the temperature setting unit to the setting signal receiving unit
A setting signal transmitting unit for, a second display unit for performing table示動operation, the outputs of the temperature setting of the zero-voltage detecting unit
A second control unit for controlling the setting signal transmitting unit and the second display unit;
Control unit and a power supply unit for supplying power to the iron unit
The second control unit is provided with a quotient by the zero voltage detection unit.
When the zero voltage of the power supply is detected, the voltage of the power supply section is set to the temperature.
The setting signal is encoded according to the output of the
Transmit from the transmitter to the setting signal receiver of the iron
Cordless iron you. 2. A setting signal transmission unit comprising a first switch unit, a second control unit controlling the first switch unit, and a setting signal based on a combination of ON and OFF of the first switch unit. 2. The cordless iron according to claim 1 , wherein the on-time of the first switch is longer than the off-time. 3. The cordless iron according to claim 1, wherein the setting signal receiving unit is connected in series to the setting signal transmitting unit, and receives a setting signal obtained by encoding a voltage of the power supply unit. 4. The cordless iron according to claim 1, wherein the setting signal receiving unit is connected in parallel to the setting signal transmitting unit, and receives a setting signal obtained by encoding a voltage of the power supply unit. 5. The setting signal receiving section includes a constant voltage drop section and a first voltage drop section.
Constituted by the resistor portion and the second switch unit, a constant voltage drop unit and the first resistor section are connected in series, the second switch unit to sense the voltage across the first resistor portion The cordless iron according to claim 1, wherein 6. A temperature signal transmitting section for transmitting a temperature signal, which has detected the temperature of the base section, to the stand section in the iron section, and a temperature signal receiving section for receiving the temperature signal from the iron section in the stand section. The temperature signal transmitting unit and the temperature signal receiving unit are connected in series and connected to a power supply unit, and after the setting signal is transmitted from the setting signal transmitting unit.
After a predetermined time, the temperature is sent from the temperature signal transmitter to the temperature signal receiver.
The cordless iron according to claim 1, wherein a signal is transmitted .