CN109878489A - A kind of EMU loopback or rescue instruction conversion control circuit - Google Patents
A kind of EMU loopback or rescue instruction conversion control circuit Download PDFInfo
- Publication number
- CN109878489A CN109878489A CN201910284554.1A CN201910284554A CN109878489A CN 109878489 A CN109878489 A CN 109878489A CN 201910284554 A CN201910284554 A CN 201910284554A CN 109878489 A CN109878489 A CN 109878489A
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- circuit
- relay
- rescue
- contact
- control unit
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- Electric Propulsion And Braking For Vehicles (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses a kind of EMU loopback or rescue instruction conversion control circuits, electronic control unit is connected with relay D, circuit 1 is equipped with mode knob, it is connected on electronic control unit by rescue contact by the normally opened contact of this vehicle drivers' cab master control, rescue contact is connected on the positive pole of electronic control unit by the normally-closed contact of this vehicle drivers' cab master control, rescue contact series have solenoid valve A, normal contact is in series with relay A, the normally opened contact of normally-closed contact and relay B of the circuit 2 equipped with relay A, circuit 2 is in series with solenoid valve B, circuit 3 is emergency braking order line, the normally opened contact of relay B and relay C are in series on circuit 3, circuit 4 is emergency braking loop wire, relay C is in series on circuit 4, the normally opened contact of relay A and the normally opened contact of relay D.The present invention realizes the mutual rescue function between single-pipe brake Che Zuyu Double tube EMU.
Description
Technical field
The present invention relates to rail vehicle control circuit technical field, especially a kind of EMU loopback or rescue are turned with instruction
Change control circuit.
Background technique
There are two different air damping control modes for domestic EMU: one is single tube braking systems, i.e. air
Brake the through type electric control braking control system controlled by single blast main air feed；Another kind is Double tube braking system, that is, is removed
Outside through type electric control braking control system with the control of single blast main air feed, pure air can also be realized by train pipe
The self-action air brake control system of braking
EMU needs to implement back this EMU by locomotive or other EMU when without fiery loopback, fault rescue
It send or rescues and (hereinafter referred to as rescued)；Or when other EMU failures, (following letter is helped to suing and labouring in fact by this EMU
Claim rescue).
At present single-pipe brake vehicle group rescue function device with by rescue function device be two sets of independent controling circuits.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides the integrated rescues of one kind controls electricity with by rescue function
Road, the EMU loopback or rescue for realizing the mutual rescue function between single-pipe brake Che Zuyu Double tube EMU are turned with instruction
Change control circuit.
The purpose of the present invention is achieved through the following technical solutions.
A kind of EMU loopback or rescue instruction conversion control circuit, including electronic control unit, electronic control unit
Air pressure (the abbreviation BP pressure) signal of output train pipe to brake monitor (abbreviation EBCU), the electronic control unit connects
Relay D, including four circuits are connected to, four circuits are denoted as circuit 1, circuit 2, circuit 3, circuit 4, the circuit respectively
1 is equipped with mode knob, and the mode knob includes being rescued contact, rescue contact and normal contact, described to be led to by rescue contact
The normally opened contact for crossing the drivers' cab master control of this vehicle is connected on electronic control unit, described for by the identification of rescue/rescue mode
Rescue contact is connected on the positive pole of electronic control unit by the normally-closed contact of this vehicle drivers' cab master control.The rescue touching
Point is in series with solenoid valve A, and the electrical command that the solenoid valve A is used to switch by vehicle mode is realized rescue mode and rescued
The gas circuit of mode switches, and the normal contact is in series with relay A, and the circuit 2 is equipped with the normally-closed contact of relay A, electricity
Road 4 is equipped with the normally opened contact of relay A, is in series with solenoid valve B on the circuit 2, the solenoid valve B is by emergency brake of vehicle
Circuit control, for emergency braking when Quick air-discharge, the circuit 3 is emergency braking order line, is in series on the circuit 3
Relay B, the circuit 2 are equipped with the normally opened contact of relay B, and the circuit 4 is emergency braking loop wire, on the circuit 4
It is in series with relay C, the circuit 3 is equipped with the normally opened contact of relay C, and the EBCU is connected with relay E, the electronics
Control unit is equipped with the normally-closed contact of relay E.
The electronic control unit is equipped with pressure sensor, and the pressure sensor is used to acquire the air pressure of train pipe
Pressure signal is simultaneously input to electronic control unit by power.
The electronic control unit is equipped with solenoid valve C, and the solenoid valve C is according to the electrical command control of electronic control unit
System exports corresponding train pipe air pressure.
Braking level relay is connected on the electronic control unit.
Compared with the prior art, the present invention has the advantages that
(1) it is designed by electric loop, realizes the mutual rescue between single-pipe brake Che Zuyu Double tube EMU, integrated level
It is high.
(2) it is controlled by rescue/rescue mode switching by vehicle electric, realizes rescue function and cutting automatically by rescue function
It changes；
(3) urgent solenoid valve improves vehicle reliability of operation by the electric logic control of vehicle；
(4) under by rescue with rescue mode, the mutual transmitting for being able to achieve relief car and being instructed by emergency braking between relief car,
Specifically:
When being rescued: when triggering emergency braking by rescue EMU, can synchronize and pass to the locomotive or EMU of implementing rescue；Machine
When vehicle or rescue EMU triggering emergency braking, it can also be synchronized and apply the emergency brake by rescue EMU.
When rescue: when triggering emergency braking by rescue EMU, the EMU for passing to rescue can be synchronized；Rescue EMU
When triggering emergency braking, it can also be synchronized and apply the emergency brake by rescue EMU.
(5) it realizes different by rescue/rescue instruction exception detection, emergency braking abnormality detection, train tube pressure to vehicle
Often detection, and by failed transmission to vehicle monitoring equipment.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
With reference to the accompanying drawings of the specification and specific embodiment, the present invention is described in detail.
As shown in Figure 1, a kind of EMU loopback or rescue instruction conversion control circuit, including electronic control unit, electricity
Air pressure (the abbreviation BP pressure) signal of sub-control unit output train pipe is to brake monitor (abbreviation EBCU), the electronics
Control unit is connected with relay D, including four circuits, and four circuits are denoted as circuit 1, circuit 2, circuit 3, circuit respectively
4, the circuit 1 is equipped with mode knob, and the mode knob includes being rescued contact, rescue contact and normal contact, described
It is connected on electronic control unit by rescue contact by the normally opened contact of this vehicle drivers' cab master control, for by rescue/rescue mould
The identification of formula, the rescue contact are connected to the positive pole of electronic control unit by the normally-closed contact of this vehicle drivers' cab master control
On.
The rescue contact series have solenoid valve A, and the electrical command that the solenoid valve A is used to switch by vehicle mode is real
Existing rescue mode switches with by the gas circuit of rescue mode, and the normal contact is in series with relay A, the circuit 2 be equipped with after
The normally-closed contact of electric appliance A, circuit 4 are equipped with the normally opened contact of relay A, are in series with solenoid valve B, the electricity on the circuit 2
Magnet valve B by emergency brake of vehicle circuit control, for emergency braking when Quick air-discharge, the circuit 3 be emergency braking instruct
Line is in series with relay B on the circuit 3, and the circuit 2 is equipped with the normally opened contact of relay B, and the circuit 4 is urgent
Loop wire is braked, relay C is in series on the circuit 4, the circuit 3 is equipped with the normally opened contact of relay C, and the EBCU connects
It is connected to relay E, the electronic control unit is equipped with the normally-closed contact of relay E.
The electronic control unit is equipped with pressure sensor, and the pressure sensor is for acquiring train pipe air pressure
Pressure signal is simultaneously input to electronic control unit by power.
The electronic control unit is equipped with solenoid valve C, and the solenoid valve C is according to the electrical command control of electronic control unit
System exports corresponding train pipe air pressure.
Braking level relay (the level relay 1 ~ 7 of such as Fig. 1) is connected on the electronic control unit.
A kind of EMU loopback rescue instruction conversion equipment, including electronic control unit, the electronic control unit
Input terminal is connected with pressure sensor, and the output end of the electronic control unit is connected with electric empty change over valve, and the electricity space-variant changes
Valve is connected with blast main and relay valve respectively, and the relay valve is connected with mode switching valve and blast main respectively, the mould
Formula switching valve is connected with train pipe and blast main respectively, and the emergency exhaust valve is connected with blast main and train pipe respectively,
Cylinder is connected on the train pipe, the cylinder is connected with pressure sensor, and the pressure sensor is for acquiring train pipe
Pressure, and pressure signal is input to electronic control unit.
It is equipped with cutout cock between the blast main and the empty change over valve of electricity, is set on the train pipe there are two cutout cock,
Cylinder is connected between described two cutout cocks, the cylinder is equipped with drain cock, and the cutout cock in described device is used
In when device inner part failure, BP pressure gas circuit is truncated.
It is equipped with dirt catcher between the cutout cock and the empty change over valve of electricity, the dust filtration device is used for the pressure to vehicle blast main
Power air carries out dust filtering and drying.
The relay valve is connected with mode switching valve and blast main respectively by choke, the cylinder and train pipe it
Between be equipped with choke.
Pressure test port is equipped between the electricity sky change over valve and relay valve, the cylinder and train pipe interface are equipped with pressure
Power tests mouth.
Electronic control unit: it when being rescued, according to the BP pressure value of the train pipe of pressure sensor acquisition, calculates and exports
((the level relay 1 ~ 7 of such as Fig. 1) obtains service braking level relay electric to service braking level, when BP pressure anomaly depressurizes
When, make relay D power loss, while emergency braking loop wire disconnects, emergency braking order line power loss is made to trigger full train emergency braking；
The service braking instruction (1 grade of such as Fig. 1~7 grades) of this train is received when rescue, control output BP pressure implements comparable decompression
Amount；Detectable device inner part and the failure of itself control, can detect the exception of mode switching valve instruction and emergency braking instruction.
The condition of BP pressure anomaly decompression: (such as speed 5km/h or less) BP pressure reaches threshold value A (0 < threshold value A when static
< 600kPa) more than or operation in (such as speed 5km/h or more), meet BP pressure under non-emergent braking and drop to threshold value B(0 < threshold value B
< 500kPa) hereinafter, its speed signal by EBCU acquire car speed after, control relay E electric and power failure state, lead to
It crosses the power loss of its normally-closed contact and obtains electricity condition, inform electronic control unit.
Instruct the working principle of conversion control circuit:
By rescue/rescue mode identification: connect " this vehicle drivers' cab master in " by rescue mode " signal line of electronic control unit
Control " normally opened contact, this car owner are identified as when controlling by rescue mode, and when non-master control is identified as rescue mode.
It connects in " power supply+" route under " rescue " mode " master control of this vehicle drivers' cab " normally-closed contact, under rescue mode only
This vehicle be non-master time control device obtain it is electric.
When device obtains electric, " the mode knob " of circuit 1 is in " rescue " position or " by rescuing " position, relay A power loss, circuit 2
In normally-closed contact closure, the normally opened contact in circuit 4 disconnects.
When device obtains electric, electronic control unit control relay D obtains electric, the normally opened contact closure in circuit 4, relay
C obtains electric, and normally opened contact closure of the relay C in circuit 3, relay B obtains electric, contact closure of the relay B in circuit 2,
Circuit 2 obtains electric.
When device power loss, " the mode knob " of circuit 1 in " normal " position, relay A obtain it is electric, it is normally opened in circuit 4
Contact closure bypasses contact of the relay D in circuit 4.
1, by rescue mode:
(1) " the mode knob " of circuit 1 is threaded to the position " by rescuing ", and electronic control unit obtains electric, while being identified as by rescue mode.
(2) solenoid valve A power loss, electronic control unit acquire the state of solenoid valve A, while the model comparision with (1) identification,
Carry out the abnormality detection and record of pattern switching instruction.
(3) electronic control unit acquires the pressure value of BP pipe by pressure sensor, calculates and exports service braking level
The electrical command of (1 grade of such as Fig. 1~7 grades).
(4) when electronic control unit judges the decompression of BP pressure anomaly or rescue EMU/locomotive triggering emergency braking,
Relay D power loss disconnects its contact in circuit 4, and emergency braking loop wire disconnects, and relay C power loss makes relay C exist
Contact in circuit 3 disconnects, this EMU emergency braking order line power loss triggers the vehicle emergency braking of this full motor train unit.
(5) when this EMU applies the emergency brake, 3 power loss of circuit, relay B power loss, the contact in circuit 2 is broken
It opens, 2 power loss of circuit, solenoid valve B carries out quick air draft, is promptly made by reduced BP pressure to locomotive or the transmitting of rescue EMU
Dynamic signal.
(6) electronic control unit circuit 3(emergency braking order line based on the received) and the state of circuit 2 promptly made
The abnormality detection and record of dynamic instruction.
2, rescue mode:
(1) " the mode knob " of circuit 1 is threaded to " to rescue " position, and electronic control unit obtains electric, while being identified as rescue mode.
(2) solenoid valve A is obtained electric, and electronic control unit acquires the state of solenoid valve A, while the model comparision with (1) identification,
Carry out the abnormality detection and record of pattern switching instruction.
(3) electronic control unit receives service braking (1 grade of such as Fig. 1~7 grades) electrical command of this vehicle, calculates and controls
Solenoid valve C exports BP pressure and carries out to by breakdown lorry for exhaust.
(4) electronic control unit acquires BP pressure value by pressure sensor, when electronic control unit judges that BP pressure is different
Atmospheric vacuum or when triggering emergency braking by breakdown lorry, relay D power loss disconnects its contact in circuit 4, urgent system
Rotating ring line disconnects, relay C power loss, disconnects relay C in the contact of circuit 3, this EMU emergency braking order line power loss,
Trigger the vehicle emergency braking of this full motor train unit.
(6) when this EMU applies the emergency brake, 3 power loss of circuit, relay B power loss, the contact in circuit 2 is broken
It opens, 2 power loss of circuit, solenoid valve B carries out quick air draft, transmits emergency braking letter to by rescue EMU by reduced BP pressure
Number.
(7) electronic control unit circuit 3(emergency braking order line based on the received) and the state of circuit 2 promptly made
The abnormality detection and record of dynamic instruction.
3, fault diagnosis
When judging that the decompression of BP pressure anomaly, control loop unit failure, rescue/abnormal by rescue mode, emergency braking instruction is different
Chang Shi sends fault-signal to vehicle.
4, BP pressure signal
Vehicle is sent to by analog signals by electronic control unit to be shown.
Claims (4)
1. a kind of EMU loopback or rescue are defeated with instruction conversion control circuit, including electronic control unit, electronic control unit
The air pressure signal of train pipe is to brake monitor out, it is characterised in that the electronic control unit is connected with relay D, packet
Four circuits are included, four circuits are denoted as circuit 1, circuit 2, circuit 3, circuit 4 respectively, and the circuit 1 is revolved equipped with mode
Button, the mode knob includes being rescued contact, rescue contact and normal contact, described to pass through this vehicle drivers' cab master by rescue contact
The normally opened contact of control is connected on electronic control unit, for by the identification of rescue/rescue mode, the rescue contact to pass through this
The normally-closed contact of vehicle drivers' cab master control is connected on the positive pole of electronic control unit, and the rescue contact series have solenoid valve
The electrical command that A, the solenoid valve A are used to switch by vehicle mode realizes that rescue mode is cut with by the gas circuit of rescue mode
Change, the normal contact is in series with relay A, and the circuit 2 is equipped with the normally-closed contact of relay A, circuit 4 be equipped with after
The normally opened contact of electric appliance A, the circuit 2 are in series with solenoid valve B, and the solenoid valve B is controlled by emergency brake of vehicle circuit, is used for
Quick air-discharge when emergency braking, the circuit 3 are emergency braking order line, are in series with relay B on the circuit 3, described
Circuit 2 is equipped with the normally opened contact of relay B, and the circuit 4 is emergency braking loop wire, is in series with relay on the circuit 4
C, the circuit 3 are equipped with the normally opened contact of relay C, and the brake monitor is connected with relay E, and the electronic control is single
Member is equipped with the normally-closed contact of relay E.
2. a kind of EMU loopback according to claim 1 or rescue instruction conversion control circuit, it is characterised in that institute
Electronic control unit is stated equipped with pressure sensor, the pressure sensor is used to acquire the air pressure of train pipe and will pressure
Force signal is input to electronic control unit.
3. a kind of EMU loopback according to claim 1 or 2 or rescue instruction conversion control circuit, it is characterised in that
The electronic control unit is equipped with solenoid valve C, and the solenoid valve C controls output phase according to the electrical command of electronic control unit
The train pipe air pressure answered.
4. a kind of EMU loopback according to claim 3 or rescue instruction conversion control circuit, it is characterised in that institute
It states and is connected with braking level relay on electronic control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284554.1A CN109878489B (en) | 2019-04-10 | 2019-04-10 | Command conversion control circuit for loopback or rescue of motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284554.1A CN109878489B (en) | 2019-04-10 | 2019-04-10 | Command conversion control circuit for loopback or rescue of motor train unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109878489A true CN109878489A (en) | 2019-06-14 |
| CN109878489B CN109878489B (en) | 2021-06-29 |
Family
ID=66936754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910284554.1A Active CN109878489B (en) | 2019-04-10 | 2019-04-10 | Command conversion control circuit for loopback or rescue of motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109878489B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884476A (en) * | 2019-12-02 | 2020-03-17 | 中车长春轨道客车股份有限公司 | Motor train unit loopback rescue brake instruction control system |
| EP4197867A1 (en) * | 2021-12-17 | 2023-06-21 | ALSTOM Holdings | Railway vehicle and towing method therefor |
| WO2024120044A1 (en) * | 2022-12-07 | 2024-06-13 | 中车大连机车车辆有限公司 | Braking system for automatic switching between train pipe control and microcomputer control and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884476A (en) * | 2019-12-02 | 2020-03-17 | 中车长春轨道客车股份有限公司 | Motor train unit loopback rescue brake instruction control system |
| EP4197867A1 (en) * | 2021-12-17 | 2023-06-21 | ALSTOM Holdings | Railway vehicle and towing method therefor |
| WO2024120044A1 (en) * | 2022-12-07 | 2024-06-13 | 中车大连机车车辆有限公司 | Braking system for automatic switching between train pipe control and microcomputer control and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109878489B (en) | 2021-06-29 |
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