JP3129819B2 - Contactless master controller for electric vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a master controller which is installed in an electric vehicle cab and outputs a driving control command of an electric vehicle by operating a steering wheel.

[0002]

2. Description of the Related Art A conventional master controller for an electric vehicle will be described with reference to FIGS.

[0003] Electric vehicles have different control systems and control devices for each vehicle type. Therefore, there are various types of master controllers that output a forward / backward command, a powering command, or a brake command to the control device, and furthermore, the number of cam switches for outputting this command is large, and The cab, including the master controller, is also different for each model, so
A great deal of time was required for the production and the like, which greatly affected the structure of the master controller and greatly restricted the configuration of the cab.

[0004] A conventional master controller will be described with reference to FIGS. 5 and 6 .

The master controller includes a reverse rotation handle 1, a notch wheel 2, a plurality of uneven cam pieces 3, and a cam switch 4 connected to the reverse rotation shaft 5.
, The reverse rotation shaft 5 is supported. Parallel to the main handle 7, the notch wheel 8, a plurality of cam pieces 9, is composed of the main shaft 11 for coupling the like Comes Lee pitch 10 interlocking to support the left and right shaft <br/> receiving 12 I have.

The reversing handle 1 turns the cam switch 4 on and off, and outputs a forward / reverse command. Advancement is restricted reverse handle 1 from the position of the switching in the notch wheel 2, is rotated to either side of the reverse, rotates the cam piece 3 also a built in reverse shaft 5 irregularities, interlocked to the cam The switch 4 outputs forward and backward commands. The main handle 7 side has a notch wheel 8 connected to the main shaft 11 ,
As shown in Fig. 6, powering (1A to 4A) , neutral, braking
(1B to 7B) Each notch at the emergency position is engraved, and by operating and rotating the main handle 7, the uneven cam piece 9 incorporated in the main shaft 11 rotates and operates in conjunction with this. cam switch 10 is you output a command. Also, the reverse rotation shaft 5
A mechanical interlock is provided between the motor and the main shaft 11 to prevent accidents due to erroneous operations. Master controller
The cam is driven by the rotation of the main handle 7 and the reverse handle 1.
Since switches 10 and 4 are turned on and the command is output,
Cam switches 10 and 4 corresponding to the required commands are required and master control
It occupies most of the vessel. Cam switches 10 and 4 are controlled
The capacity is large due to the operation of direct input and cutoff of control current.
The frequency of operation of the contacts is so high that the contacts may be damaged.
Maintenance work such as refueling the rotating parts is required.
You. Further, the reverse handle 1 and the main handle 7 are cam switches.
To operate by overcoming the mechanical reaction force of
The mechanism is complicated and the cost is high.
A lot of care is also needed.

[0007]

As described above, since the master controller mechanism is a single system, it is more precise than other devices.
In addition, regular maintenance must be performed within a short period of time.

[0008] The present invention has been made in view of the above, constitutes an inexpensive master controller with simple means, maintenance work, time, and an object thereof is to reduce the costs and improve the reliability.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a main handle or a reversing handle in accordance with each notch regulation.
By operating the dollar, provided on the rotating shaft connected to each handle
The command signal from the rotary encoder to the electric car
In the non-contact master control unit for diesel engines, a rotary encoder
Are attached to both ends of the rotating shaft so that they rotate in opposite directions.
Rotary engines are provided in pairs.
Check if the sum of the rotation angles of each pair of coder is 360 degrees
Provision of a converter that detects and outputs the detection signal
It is characterized by .

[0010]

In the above construction, by operating the reversing handle or the main handle to rotate each axis within the restricted range of each notch wheel, a signal corresponding to the rotation angle of the rotary encoder at both ends of each axis is transmitted to the converter. It sends out the forward / backward command signal and outputs the power running or brake signal to each control device of the electric vehicle.

The rotary encoder which rotates in the direction opposite to the movement of the steering wheel outputs output signals of α and (360 ° −α), respectively, when the steering wheel angle is rotated by α degrees, and the sum of the output signals corresponds to one rotation. (360 °) is checked, and if the compared absolute values do not match the allowable error range or more, a command to display the failure status on the display is output.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the embodiments shown in FIGS.

In recent years, control systems and control devices have been developed.
Background that the necessity of command output by contact has been reduced
Again, the present invention provides a contact cam switch for the master controller.
And stop both ends of the reversing shaft and the main shaft via joints.
Rotors that rotate in opposite directions to each handle movement
And a notch wheel
Rotary encoder according to the rotation angle within the regulation range
Control as notch command or signal
A converter for outputting to the device is provided. That is, FIG.
As shown in the figure , the master controller includes the reversing shaft 5 and the main shaft 11.
, A converter 13 for inputting and outputting signals and outputting required commands, a control device such as a power supply device 14, and a key switch 15 are housed in a master controller to be integrally configured.
A pair of reversing handles 1 and notch wheels 2 are connected to each other, and a pair of reversing shafts 5 rotatably supported by left and right bearings 6 are provided at both ends of the reversing shaft 5 to rotate in opposite directions to each other with respect to the movement of the reversing handle 1 . The rotary encoders 17 and 18 are attached via the joint 16. The main handle 7 is also a pair of the rotary encoder rotates in the opposite direction to each other in both end portions of the main shaft 11 which is supported by a bearing 12 by connecting the notch wheel 8 17,1 8
Install. An interlock plate 20 having a notch for the solenoid lock 19 is mounted on the reverse rotation shaft 5, and a disk-shaped interlock plate 21 is mounted on the main shaft 11 so as to cooperate with each other.

In the above arrangement, when the reversing handle 1 or the main handle 7 is operated within a range restricted by the notch wheels 2 and 8, the reversing handles 1 and 2 provided at both ends of the shafts 5 and 11 rotate in mutually opposite directions. The pair of rotary encoders 17 and 18 transmit a signal corresponding to the rotation angle,
The converter 13 for conversion control outputs a forward / reverse command, powering or braking command to each control device of the train 22. At the same time, the signals of the pair of rotary encoders 17 and 18 rotating in opposite directions are added by the converter 13, and whether or not the sum is equal to the absolute value of one rotation (360 °) is determined. Is checked in the procedure of the flowchart shown in FIG.

That is, the main handle 7 or the reverse handle
If the rotation angle of 1 is α, the sum of the output signals α and (360 ° −α) of the pair of rotary encoders 17 and 18 is 3
If the absolute value is not equal to or larger than the permissible error, a command to display a failure status on a display is output 22 and an emergency brake command is output 22.

The lock unlock input 23 is activated when the solenoid lock 19 is excited by inserting an IC card or the like .
As shown in FIG. 2, the interlock plate 20 of the reversing shaft 5 is released from the interlock plate 20 of the reversing shaft 5, and the interlock plate 21 of the main shaft 11 is rotated by the rotation of the interlock plate 20 of the reversing shaft 5. The spindle 11 cannot rotate until it is fitted. In the case of locking, the above is reversed. That is,
The operation of each axis 5 and 11 were confirmed by the signal of unlocking state and Natsuta rotary encoder 17, 1 8 shown in FIG. 2, the solenoid lock 19 is locked demagnetized by withdrawing the IC card. In the case of urgent operation without an alternative to an input signal such as an IC card, the key 24 is applied to the key switch 15 and the solenoid lock 1 is applied in a manual manner.
9 can be unlocked.

The converter 13 is supplied with a constant voltage current by the power supply 14 receiving an input power supply 25 from the outside, and the signals from the pair of rotary encoders 17 and 18 are transmitted to the control devices of the train. It converts it into a receivable command signal and outputs it 22,
Further, input and output of the lock unlock input 23 and the key switch 15 and transmission and reception with the solenoid lock 19 are performed.

As described above, one of the rotations in the opposite directions is performed.
The rotary encoder 17, 1 8 and transducer 13 of the pair, the failure detection function by rotary encoders 17, 1 8 are held, it becomes possible to output the emergency brake command, high reliability can be obtained.

Further, by providing an interlock between the reverse rotation shaft 5 and the main shaft 11, erroneous operation of each of the handles 1, 7 can be prevented.

As another embodiment of the present invention, the mechanical part of the master controller, the converter, the power supply, and the like may be divided and installed on the cab without being integrally formed.

[0021]

According to the present invention, the structure can be reduced in size and weight,
With a low-cost configuration, maintenance work can be greatly reduced.
Rutotomoni provides master controller device with improved reliability
Can do it.

[Brief description of the drawings]

1 is a schematic planar view of a master controller according to the present invention.

FIG. 2 is a side view for explaining the operation of a part of FIG.

FIG. 3 is a diagram illustrating the operation of a pair of rotary encoders.

FIG. 4 is a flowchart of the master control device according to the present invention.

FIG. 5 is a plan view of a conventional master control device.

FIG. 6 is a development view of the electric circuit of FIG. 5;

[Explanation of symbols]

 1 Reverse handle 2,8 Notch wheel 5 Reverse shaft 7 Main handle 11 Main shaft 13 Converter 14 Power supply 15 Key switch 17,18 Rotary encoder 20,21 Interlock plate

────────────────────────────────────────────────── (5) References JP-A-1-114305 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) B60L 1/00-15/42

Claims (1)

(57) [Claims] The method according to claim 1] Operation of the main handle or reversing the handle in accordance with the respective notches regulating a command signal to the electric vehicle from Russia over stream encoders provided <br/> to the rotation axis of the connection to the handle
In contactless master controller unit for an electric vehicle to obtain, the rotary encoder is rotated in opposite directions
The rotation angle of each pair of the paired rotary encoders is provided at each end of the rotary shaft.
A non-contact master control device for an electric vehicle , comprising a converter for detecting whether or not the sum of the angles becomes 360 degrees and outputting a detection signal .