KR0143673B1 - A circuit for controlling an auto-door in an electric railcar - Google Patents

Abstract

The present invention relates to an automatic access door control circuit of an electric vehicle in which a door is completely closed by automatically detecting and reopening and closing a door when a certain object is present in the door of the electric vehicle and the door is not completely closed. Interface unit 20 (PC1 to PC4) to which control signals are input from the control panel; control means 30 (U1 to U6, PC5, PC6) to which the output signal from the interface unit 20 (PC1 to PC4) is input; And SSR which excites the right-side door re-opening relay DROR1 and the left-side door re-opening relay DROR2 of the train reopening / closing control circuit 50 by the control signals from the control means 30 (U1 to U6, PC5, PC6). It is configured to include an output unit 40 (SSR1 to SSR8), characterized in that the right door re-opening relay (DROR1) and the left door re-opening relay (DROR2) is controlled by the electrical logic level.

Description

A circuit for controlling an auto ～ door in a electric railcar

1 is an automatic door control circuit diagram of an electric vehicle according to the present invention;

2 is a logic circuit diagram of an automatic door control circuit diagram of an electric vehicle according to the present invention;

3 is a circuit diagram showing the interface unit and the control means of the automatic access door control circuit of the electric vehicle according to the present invention,

4 is a circuit diagram showing an SSR output unit of an automatic door control circuit of an electric vehicle connected to a third vehicle;

5 is an automatic door control circuit diagram of a conventional electric vehicle.

* Explanation of symbols for main parts of the drawings

10: train control input unit 20: interface unit

30: control means 40: SSR output unit

50: train reopening control circuit

The present invention relates to an automatic access door control circuit of an electric vehicle, and in particular, when a door is not completely closed due to a certain object in the entrance of the electric vehicle, the automatic entrance door control of the electric vehicle such that the door is completely closed by automatically reopening and closing the door. It is about a circuit.

FIG. 5 is a conventional automatic door control circuit of an electric vehicle. First, when the right door reopening switch DROS1 is pressed by a driver's manual operation, the power supply (DC 100V) is connected to the NFB breaker, the right door interlock relay (DIR1), and the door door. It is applied to the circuit consisting of the open / close switch DROS1 and the right door reopening and closing relay DROR1, and the right door reopening and closing relay DROR1 is excited.

Accordingly, the contact a of the right access reopening relay DROR1 is turned on so that the power supply is an NFB circuit breaker, the contact a of the right access reopening relay DROR1, the contact a of the right door switch DS1, The right door is opened by being energized by a circuit consisting of the door electronic valve DMV1 and exciting the door electronic valve DMV1.

When the left door reopening switch DROS2 is pressed, the power supply (DC 100V) is composed of an NFB breaker, a left door interlock relay (DIR2), a door reopening switch (DROS2), and a left door reopening switch (DROR2). The left access door reopening and closing relay DROR2 is excited to the circuit.

Accordingly, the contact a of the left access reopening relay DROR2 is turned on so that the power supply is an NFB circuit breaker, the contact a of the left access reopening relay DROR2, the contact a of the left door switch DS2, The left door is opened by being applied to the door electronic valve DMV2 and the door electronic valve DMV2 is excited. Then, when the door re-opening switch (DROS1, DROS2) is released, the door is closed.

However, when the automobile control concept is introduced, a large amount of relays and timers are required to realize a complicated automatic control concept by a relay logic circuit, and in order to realize this, a considerable problem arises in securing space. In addition, a problem arises in securing contact life and reliability of control by mechanical contact control.

Accordingly, the present invention is to solve the above problems, the automatic door control circuit of the electric vehicle so that the door is completely closed by detecting and automatically reopening the door when there is a predetermined object in the door of the electric vehicle is not completely closed. It is about.

According to an aspect of the present invention, an interface unit to which a control signal from a train control input unit is input, control means for inputting an output signal from the interface unit, and a control signal from the control unit are provided. The SSR output unit is configured to excite the right door reopening relay and the left door reopening relay of the train reopening control circuit, and the right door reopening relay and the left door reopening relay are controlled by the electric logic level. It is done.

In addition, the SSR output unit is characterized in that it is composed of a semiconductor device such as SSR that does not cause a bad contact or short-circuit.

According to the present invention configured as described above, when there is a predetermined object in the door of the electric vehicle and the door is not completely closed, the present invention can automatically detect and reopen the door by the electric logic level.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an automatic door control circuit of an electric vehicle according to the present invention, wherein the circuit includes an interface unit 20 (PC1 to PC4) to which a control signal from the train control input unit 10 is input, and the interface unit 20 (PC1). Train re-switching control circuit by the control means 30 (U1 to U6, PC5, PC6) to which the output signal from -PC4 is inputted, and the control signal from this control means 30 (U1-U6, PC5, PC6). And a SSR output section 40 (SSR1 to SSR8) for exciting the right door reopening and closing relay DROR1 and the left door reopening and closing relay DROR2 of (50), and the right door reopening and closing relay according to the electrical logic level. DROR1 and the left door reopening and closing relay DROR2 are controlled.

In addition, the SSR output units SSR1 to SSR8 are constituted by a semiconductor element such as an SSR in which contact failure or inter-short shortage does not occur. In addition, the circuit of the control means 30 is not output in case of a failure during the vehicle operation by using the ZVR and the HCR logic power supply for designating the head car as well as stopping the train for safety. The microprocessor is also equipped with a watch dog that can be restarted even if it is down.

2 is a logic circuit diagram of an automatic access control circuit diagram of an electric vehicle according to the present invention. First, when the right access door is opened, the vehicle stop signal and the head vehicle are set by ZVR and HCR2, and the right access door open relay DR1 and the door interlock relay are set. (DIR2), left door open relay (DR2), door interlock relay (DIR2), right door open relay (DR1; 1 → 0) remain active, and door control mode switch (DOMS) is in A mode. In the A mode, the door closing signal for 4 seconds and the door opening signal for 1.5 seconds are outputted to the terminals of the right access door reopening and closing relay DROR1.

If the above conditions are not met, the operation is repeated three times (4 seconds, 1.5 seconds, 2 seconds, 1.5 seconds, 2 seconds, 1.5 seconds).

Thereafter, when the door reopening switch DROS or the right door reopening relay DROR1 is turned on in the above condition, it is limited to three times (1.5 seconds, 2 seconds, 1.5 seconds, 2 seconds, 1.5 seconds). The operation of re-opening is repeated.

In addition, when the left door is opened, the vehicle stop signal and the head car are set by the ZVR and the HCR2, the right door open relay DR1, the left door interlock relay DIR2, the left door open relay DR2, and the left door interlock. When the relay DIR2 and the left door open relay DR2 (1 → 0) remain active and the door control mode switch (DOMS) enters the A mode from the A mode, the door closing signal for 4 seconds And the door open signal for 1.5 seconds are outputted to the terminal of the left access door re-opening relay DROS2.

If the above conditions are not met, the operation is repeated three times (4 seconds, 1.5 seconds, 2 seconds, 1.5 seconds, 2 seconds, 1.5 seconds).

After that, when the door reopening switch DROS or the right door reopening relay DROS1 is turned on in the above condition, it is limited to three times (1.5 seconds, 2 seconds, 1.5 seconds, 2 seconds, 1.5 seconds). The operation of re-opening is repeated.

In addition, when the right door and the left door are opened, the vehicle stop signal and the head car are set by the ZVR and HCR2, and the right door open relay DR1, the left door interlock relay DIR2, the left door open relay DR2, The left door interlock relay (DIR2), the right door open relay (DR1; 1 → 0), the left door open relay (DR2; 1 → 0) remain active, and the door control mode switch (DOMS) is in A mode. In the A mode, the door (right and left) closing signal for 4 seconds and the door (right and left) opening signal for 1.5 seconds are indicated by the right door reopening relay (DROR1) and the left door reopening relay (DROS2). It is output to the terminal of.

If the above conditions are not met, the operation is repeated three times (4 seconds, 1.5 seconds, 2 seconds, 1.5 seconds, 2 seconds, 1.5 seconds).

Thereafter, when the left door reopening switch DROS2 or the right door reopening relay DROS1 is turned on in the above condition, three times (1.5 seconds, 2 seconds, 1.5 seconds, 2 seconds, 1.5 seconds) are turned on. Only the re-opening operation is repeated.

In addition, the vehicle stop signal and the head vehicle are set by the ZVR and the HCR2, and the right door open relay DR1, the left door interlock relay DIR2, the right door open relay DR1, 1 → 0, and the left door open relay DR2. ), The door control mode switch (DOMS) is in the state of M mode in the state of A mode, or the state of M mode in the state of M mode, and the right access door reopening relay (DROR1) or door reopening When the on / off switch DROS is turned on, the door open signal is output to the terminal of the right door reopening and closing relay DROR1.

In addition, the vehicle stop signal and the head vehicle are set by ZVR and HCR2, and the right door open relay DR1, the left door interlock relay DIR2, the left door open relay DR2, the left door interlock relay DIR2, and the right door open. The open relay DR1 and the left door open relay DR2 '1 → 0 remain active, and the door control mode switch DOMS is in the M mode in the A mode or the M mode in the M mode. When the left door reopening relay DROR2 or the door reopening switch DROS is turned on, the door opening signal is output to the terminal of the left door reopening relay DROR2.

FIG. 3 is a circuit diagram showing an interface unit and a control means of an automatic access door control circuit of an electric vehicle according to the present invention. FIG. 4 is a circuit diagram showing an SSR output unit of an automatic door control circuit of an electric vehicle connected to FIG. In case of indicating the output status of the right door re-opening relay (DROR1) in mode, ZVR and HCR2, right door open relay (DR1), left door interlock relay (DIR2), left door open relay (DR2) and left door interlock relay (DIR2), right side door open relay (DR1), left side door open relay (DR2), door control mode switch (DOMS; A → A), when input signal, each photocoupler (PC3) and photocoupler (PC4) Through the low signal is output.

Thereafter, the signal is input to the first port of the microprocessor.

All conditions of the first and gate 1 shown in FIG. 2, such as ZVR and HCR2, the right door open relay DR1 and the left door interlock relay DIR2, the left door open relay DR2 and the left door interlock relay (DIR2), when the condition of the door control mode switch (DOMS; A → A) is satisfied and the signal of the right door open relay DR1 is set from the low state to the high state to the second and gate 2, The signals ZVR and HCR2, DR1 and DIR2, DR2 and DIR2, and DOMS; A → A, which satisfy the conditions of the first and gate 1, are transmitted to the software timer in the microprocessor via the first and gate 1; 4 second, 1.5 second, and 2 second counter variables are outputted, and when the 4 second (closed) and 1.5 second (open) are performed once, the 4 second (closed) value and the set 4 second variable value are compared. If it is longer than 4 seconds, the right door reopening relay (DROR1) is turned on.If it is less than 4 seconds, 4 seconds (closed) is continuously performed. .

After the execution of 4 seconds (closed), the value of 1.5 seconds (open) is compared, and the value of 1.5 seconds (open) and the set value of the variable 1.5 seconds are compared and the value of the operation count (AUTO-CNT) is 1.5 seconds or more. This 1 increases the right access door re-opening relay (DROR1) is off, if less than 1.5 seconds 1.5 seconds (open) is performed.

After that, if there is no abnormality, the value of the operation count (AUTO-CNT) and the value of the third execution are compared, and if the value is less than 3, the counter value of 2 seconds and 1.5 seconds is again compared to 2 seconds (closed) and 1.5 seconds (open). ) Signal is performed twice. When the value is less than 3, the signal of 2 seconds (closed) and 1.5 seconds (open) is performed three times. If the value is 3 or more, the output signal is turned off. When the clock is generated after the low signal is output from the 39th pin of the microprocessor by the performed signal and set to the U2 (74HC273), the low signal is output from the SS1 by being output from the U5 (ULS2803) by the signal. do. The output SS1 signal through the SSR1 through the right door reopening relay (DROR1) 4 seconds (closed), 1.5 seconds (open), 2 seconds (closed), 1.5 seconds (open), 2 seconds (closed), and It will print for 1.5 seconds (closed).

And, when the signal of the door opening and closing switch (DROS1) is in the ON state, it is reopened three times, and 1.5 seconds (open), 2 seconds (closed), 1.5 seconds (open), 2 seconds (closed), and 1.5 seconds (open) Will be repeated.

In addition, when the output state of the left door reopening relay DROR2 is displayed in the A / A mode, the ZVR and HCR2, the right door open relay DR1, the left door interlock relay DIR2, and the left door open relay DR2 are displayed. When the signals of the left door interlock relay (DIR2), the right door open relay (DR1), the left door open relay (DR2), and the door control mode switch ((DOMS; A → A) are inputted, each photo coupler (PC3) and The low signal is output through the photo coupler PC4.

Thereafter, the signal is input to the first port of the microprocessor.

All conditions of the third and gate 3 shown in FIG. 2, such as ZVR and HCR2, the right door open relay DR1 and the left door interlock relay DIR2, the left door open relay DR2 and the left door interlock relay (DIR2), left door interlock relay (DIR2), door control mode switch ((DOMS; A → A) conditions are satisfied, the signal of the left door open relay (DR2) to the second gate (2) is low When the signal is set to a high state from the signal, the signals ZVR and HCR2 and DR1 and DIR2, DR2 and DIR2, and DOMS; A counter timer of 4 seconds, 1.5 seconds and 2 seconds is outputted by a software timer in the microprocessor as an intermediary, and the 4 seconds (closed) and 1.5 seconds (open) are set to 4 seconds (closed) when one time is performed. If the 4-second variable value is compared and is longer than 4 seconds, the left door reopening relay (DROR2) is turned on. Seconds (closed) will continue.

After the execution of 4 seconds (closed), the value of 1.5 seconds (open) is compared, and the value of 1.5 seconds (open) and the variable value of 1.5 seconds are compared. As it increases by 1, the left door reopening and closing relay DROR2 is turned off, and when it is less than 1.5 seconds, 1.5 seconds (opening) is performed.

After that, if there is no abnormality, the value of the operation count (AUTO-CNT) and the value of the third execution are compared, and if the value is less than 3, the counter value of 2 seconds and 1.5 seconds is again compared to 2 seconds (closed) and 1.5 seconds (open). ) Signal is performed twice. When the value is less than 3, the signal of 2 seconds (closed) and 1.5 seconds (open) is performed three times. If the value is 3 or more, the output signal is turned off. When the clock is generated after the low signal is output from the 38th pin of the microprocessor by the performed signal and set to the U2 (74HC273), the low signal is output from the SS2 by the U5 (ULS2803) by the signal. do. The output SS2 signal is left for 4 seconds (closed), 1.5 seconds (open), 2 seconds (closed), 1.5 seconds (open), 2 seconds (closed) through the left door reopening relay (DROR2) through SSR2, The output will be output for 1.5 seconds (open).

And, when the signal of the left door re-opening switch (DROS2) is in the ON state, it is reopened three times, and 1.5 seconds (open), 2 seconds (closed), 1.5 seconds (open), 2 seconds (closed), and 1.5 seconds (Open) is repeated.

In addition, when the output state of the right door reopening relay DROR1 and the left door reopening relay DROR2 is displayed in the A / A mode, ZVR and HCR2, the right door open relay DR1 and the left door interlock relay DIR2 are displayed. ), Left door open relay (DR2) and left door interlock relay (DIR2), right door open relay (DR1), left door open relay (DR2), door control mode switch (DOMS; A → A) In this case, a low signal is output through each photocoupler PC3 and photocoupler PC4.

Thereafter, the signal is input to the first port of the microprocessor.

All conditions of the first and gate 1 shown in FIG. 2, such as ZVR and HCR2, the right door open relay DR1 and the left door interlock relay DIR2, the left door open relay DR2 and the left door interlock relay (DIR2), the condition of the door control mode switch (DOMS; A → A) is satisfied, and all the conditions of the third and second gates, such as ZVR and HCR2, the right door open relay DR1 and the left door interlock The conditions of the relay DIR2, the left door open relay DR2, the door interlock relay DIR2, and the door control mode switch (DOMS; A → A) are satisfied, and all conditions of the second and gate 2, for example, are satisfied. When the signals of the right door open relay DR1 and the left door open relay DR2 are set from the low state to the high state, the signals ZVR and HCR2 satisfying the conditions of the first gate 1 and DR1 and DIR2 are satisfied. , DR2, DIR2, DOMS; A → A) is the microphone via the second and third and third 4 seconds, 1.5 seconds and 2 seconds of counter variables are output by the software timer in the processor, and 4 seconds (closed) and 4 seconds (closed) and 4 seconds set when the 4 seconds (closed) and 1.5 seconds (open) are performed once. If the value of the variable is more than 4 seconds, the right door reopening relay DROR1 and the left door reopening relay DROR2 are turned off. If the value is smaller than 4 seconds, 4 seconds (close) is continuously performed.

After the execution of 4 seconds (closed), the value of 1.5 seconds (open) is compared, and the value of 1.5 seconds (open) and the set value of the variable 1.5 seconds are compared and the value of the operation count (AUTO-CNT) is 1.5 seconds or more. As the number 1 increases, the right door reopening relay DROR1 and the left door reopening relay DROR2 are turned off, and if less than 1.5 seconds, 1.5 seconds (opening) is performed.

After that, if there is no abnormality, the value of the operation count (AUTO-CNT) and the value of the third execution are compared, and if the value is less than 3, the counter value of 2 seconds and 1.5 seconds is again compared to 2 seconds (closed) and 1.5 seconds (open). ) Signal is performed twice. When the value is less than 3, the signal of 2 seconds (closed) and 1.5 seconds (open) is performed three times. If the value is 3 or more, the output signal is turned off. When the clock is generated after the low signal is output from the 38th and 39th pins of the microprocessor according to the performed signal and is set in the U2 (74HC273), the signal is outputted to the U5 (ULS2803) by the signal to SS1 and SS2. The low signal is outputted from the. The output signals of SS1 and SS2 output the right access reopening relay DROR1 and the left access reopening relay DROR2 via SSR1 and SSR2 for 4 seconds (closed), 1.5 seconds (open), and 2 seconds (closed). , 1.5 seconds (open), 2 seconds (closed), and 1.5 seconds (open).

When the signals of the right door reopening switch (DROS1) and the left door reopening relay (DROR2) are on, they are reopened three times, and 1.5 seconds (open), 2 seconds (closed), 1.5 seconds (open), 2 seconds (closed) and 1.5 seconds (open) are repeated.

In addition, in the case of A / M mode or M / M mode, ZVR and HCR2, right door open relay DR1, door interlock relay DIR2, and left door open when the output state of the right door reopening relay DROR1 are displayed. When the signal of the relay DR2, the door interlock relay DIR2, the door control mode switch (DOMS; A → A) or the door control mode switch (DOMS; M → M) is input, each photocoupler PC3 and the photo The low signal is output through the coupler PC4.

Thereafter, the signal is input to the first port of the microprocessor.

All the conditions of the fourth and gate 4 shown in FIG. 2, for example, ZVR and HCR2, the right door open relay DR1 and the door interlock relay DIR2, the left door open relay DR2 and the door interlock relay DIR2. ), The door control mode switch (DOMS; A → M) or the door control mode switch (DOMS; M to M) is satisfied, and the signal of the right door open relay DR1 is set from the low state to the high state. In this case, a low signal is output from pin 39 of the microprocessor, and when the clock is generated after being set to U2 (74HC273) by the signal, the low signal is output from USR (ULS2803) by the signal. The signal is output to the right door reopening and closing relay DROR1 through SSR1.

In addition, in the case of A / M mode or M / M mode, ZVR and HCR2, the right door open relay DR1, the door interlock relay DIR2, and the left door open when the output state of the left door reopening relay DROR2 is displayed. When the signal of the relay DR2, the door interlock relay DIR2, the door control mode switch (DOMS; A → M) or the door control mode switch (DOMS; M → M) is input, each photocoupler PC3 and the photo The low signal is output through the coupler PC4.

Thereafter, the signal is input to the first port of the microprocessor.

All conditions of the fifth and gate 5 shown in FIG. 2, for example, ZVR and HCR2, the right door open relay DR1 and the door interlock relay DIR2, the left door open relay DR2 and the door interlock relay DIR2. ), The condition of the door control mode switch (DOMS; A → M) or the door control mode switch (DOMS; M → M) is satisfied, and the signal of the right door opening relay DR1 is set from the low state to the high state. In this case, a low signal is output from the microprocessor pin 38. When the clock is generated after being set to U2 (74HC273) by the signal, the low signal is outputted to U5 (ULS2803) by the signal. The signal is output to the left door reopening and closing relay DROR2 through SSR2.

As described above, according to the present invention, when the door of the electric vehicle has a predetermined object and the door is not completely closed, the door is completely closed by automatically reopening the door.

In addition, by easily performing a complex control concept, it is easy to secure the installation space and the reliability of the control, and the software can be easily modified when the specification is changed.

Claims (2)

The interface unit 20 (PC1 to PC4) to which the control signal from the train control input unit 10 is input, and the control means 30 (U1 to U6) to which the output signal from the interface unit 20 (PC1 to PC4) is inputted; PC5 and PC6 and the right door reopening and closing relay DROR1 and the left door reopening and relay DROR2 of the train reopening and closing control circuit 50 by the control signals from the control means 30 (U1 to U6, PC5 and PC6). And an SSR output unit 40 (SSR1 to SSR8) for exciting), characterized in that the right door reopening relay DROR1 and the left door reopening relay DROR2 are controlled by the electrical logic level. Automatic entrance door control circuit of electric vehicle. 2. The automatic access door control circuit of an electric vehicle according to claim 1, wherein said SSR output unit (40; SSR1 to SSR8) is composed of a semiconductor element such as an SSR in which contact failure or inter-short short circuit does not occur.