CN106080650B - A kind of gas brak control unit used for rail vehicle - Google Patents
A kind of gas brak control unit used for rail vehicle Download PDFInfo
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- CN106080650B CN106080650B CN201610705109.4A CN201610705109A CN106080650B CN 106080650 B CN106080650 B CN 106080650B CN 201610705109 A CN201610705109 A CN 201610705109A CN 106080650 B CN106080650 B CN 106080650B
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- 230000008859 change Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 11
- 238000009530 blood pressure measurement Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000010354 integration Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 4
- 241000271559 Dromaiidae Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000000116 mitigating effect Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention provides a kind of gas brak control unit used for rail vehicle, its nine pressure measuring tie-in for including being used to detect the pressure in corresponding pipeline, for by the pressure signal in corresponding pipeline is converted to electric signal and exports four pressure sensors, for being detected to the pressure in pipeline, being shown, being alarmed, control output, to ensure two pressure switches of the normal operation of whole gas brak control unit used for rail vehicle, the relay valve for being vented or inflating according to the pressure change control of inside.Integration degree of the present invention is high, control accuracy is high, stability good, improves the safe performance indexes and maintenanceability index of brakes, simultaneity factor it is safe.
Description
Technical field
The present invention relates to field of track traffic, in particular it relates to a kind of gas brak control unit used for rail vehicle.
Background technology
Gas brak control unit is a nucleus module of rail vehicle braking system, especially city rail vehicle and EMUs
The pneumatic control core component of train braking system, its main function are that braking instruction is converted into corresponding brake pressure, control
System to unit brake carries out release of brake.
Gas brak control unit is an electricity, gas Logic control module, and its performance directly decides braking control system energy
No stabilization, control that is accurate, reliably realizing brake force, vital effect is played to train operating safety.
Patent publication No. is that the A of CN 103010251 Chinese invention patent discloses a kind of EMU and city rail traffic
Vehicle brak control unit, including EP (conduct valve) valve, pop valve, empty and load brake regulator and relay valve, can realize checking cylinder pressure
The ratio output of power, and connected between each valve by internal duct, internal duct is integrated on gas circuit bottom plate, is had higher
Interchangeability and maintenanceability, but it has the following disadvantages：For single brake-cylinder pressure output mode, do not meet EMUs
The function of different brake-cylinder pressures is exported under different operating modes；Non-relay valve failover backup function, because relay valve is frequent
Action component, once breaking down, have a strong impact on the safe for operation of train, such as pre-control signal pressure chamber diaphragm damage or disconnected
Split, relay valve loses the ability of brake pressure output；Non-relay valve failure or other reasonses cause that brake-cylinder pressure can not be alleviated
When, it is necessary to manually operation carry out the alleviation of checking cylinder, operation inconvenience is and dangerous；Without pop valve backup functionality, above-mentioned system
Dynamic control unit can lose all brake control pressures, great prestige is caused to the safe for operation of vehicle in pop valve failure
The side of body.
Patent publication No. is that the A of CN 104260745 Chinese invention patent discloses a kind of EMUs brak control unit,
Including gas brak control unit and the electronic brake control unit being integrated in inside same brake cabinet, in its gas brak control unit
Relay valve it is pre- using double pre-control relay valves, EP valve modules connection service braking pre-control pressure port, pop valve connection brake hard
Governor pressure mouth, adds the Safety Redundancy of system, additionally uses remotely force mitigation capability in addition, is needing to force alleviation operation
When directly brake-cylinder pressure is remotely alleviated by the switch being arranged on train, effectively reduce system complex operation
Property, the maintenanceability of system is improved, but it still has the following disadvantages：Without pop valve backup functionality, above-mentioned control for brake list
Member can lose all brake control pressures, the safe for operation of vehicle is caused greatly to threaten in pop valve failure；It is non-relay
The pre- governor pressure of valve drastically reduce or disappear in the case of backup functionality, this function is Safety Redundancy function, this Safety Redundancy
Function is shown：A kind of situation is that relay valve still has pressure when relay valve pre-control signal pressure loine pressure is reduced rapidly to zero
Output, ensureing the basic braking function of train, another situation is the diaphragm damage or fracture of relay valve pre-control signal pressure chamber,
Pre- governor pressure is directly quickly discharged among air, and relay valve still has pressure output, ensures the brake riggings function of train；Without straight
In the case of connecing electric pneumatic breaking control failure, using the function of the pressure interface of indirect control, the Safety Redundancy of system is reduced
Property.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide a kind of gas brak control unit used for rail vehicle,
Its integration degree is high, control accuracy is high, stability good, and is provided with a variety of Safety Redundancies, improves the safety of brakes
Performance indications and maintenanceability index, while improve the safe of system.
The present invention is that solve above-mentioned technical problem by following technical proposals：A kind of gas control for brake used for rail vehicle
Unit, it is characterised in that it includes：
Multiple pressure measuring tie-ins, it is placed on the pipeline of gas circuit bottom plate, for detecting the pressure in corresponding pipeline；
Multiple pressure sensors, it is placed on the pipeline of gas circuit bottom plate, for the pressure signal in corresponding pipeline to be changed
For electric signal and export；
Multiple pressure switches, it is placed on the pipeline of gas circuit bottom plate, for being detected, showing to the pressure in pipeline,
Alarm, control output, to ensure the normal operation of whole gas brak control unit used for rail vehicle；
Relay valve, it is placed on gas circuit bottom plate, for controlling exhaust or inflation according to the change of pre- governor pressure.
Preferably, the gas brak control unit used for rail vehicle includes pilot solenoid valve, pressure-reducing valve, Pneumatic valve, first
Double check valve, cutout cock, equalizing valve, relay valve, the second double check valve, empty and load brake regulator, throttle orifice, multiple pressure measuring tie-ins
It is that the first pressure measuring tie-in, the second pressure measuring tie-in, the 3rd pressure measuring tie-in, the 4th pressure measuring tie-in, the 5th pressure measuring tie-in, the 6th pressure measurement connect
Head, the 7th pressure measuring tie-in, the 8th pressure measuring tie-in, the 9th pressure measuring tie-in, multiple pressure sensors are first pressure sensor, second
Pressure sensor, the 3rd pressure sensor, the 4th pressure sensor, multiple pressure switches are first pressure switch, second pressure
Switch, the IN mouths of pilot solenoid valve are connected with the R1 mouths of the second wind regime, the OUT port of pilot solenoid valve and the R2 mouth phases of relay valve
Even, first pressure switch is connected on the pipeline between pilot solenoid valve and relay valve, three total wind pressure connections of relay valve
Mouth R3 mouths, R4 mouths, R5 mouths are all connected by the pipeline of inside with the R mouths of the first wind regime, the C mouths of relay valve and the C1 mouths of checking cylinder
Be connected, on the pipeline between the C mouths of relay valve and the C1 mouths of checking cylinder and be connected to the 4th pressure sensor, the 9th pressure measurement connects
Head, second pressure switch, the first pressure measuring tie-in and first pressure sensor are all connected to the R of the first wind regime by the pipeline of inside
On mouth, the IN mouths of pressure-reducing valve are connected with the R mouths of the first wind regime, and the OUT port of pressure-reducing valve is connected with the IN mouths of Pneumatic valve, the second pressure measurement
Joint is connected between pressure-reducing valve and the pipeline of Pneumatic valve, and the OUT port of Pneumatic valve is connected with the IN1 mouths of the first double check valve,
3rd pressure measuring tie-in is connected on the pipeline between the OUT port of Pneumatic valve and the IN1 mouths of the first double check valve, first it is two-way only
The IN2 mouths for returning valve are connected and the pipe between the IN2 mouths of the first double check valve and the OUT port of equalizing valve with the OUT port of equalizing valve
On road and a pipeline being connected with the T mouths of Pneumatic valve is connect, the IN3 mouths of equalizing valve are connected with the R mouths of the first wind regime, equalizing valve
IN1 mouths, the T1 mouths with empty spring pressure, the T2 mouths of empty spring pressure are connected the IN2 mouths of equalizing valve respectively, and the 4th pressure measuring tie-in is connected to
On pipeline between the IN1 mouths of equalizing valve and the T1 mouths of empty spring pressure, the 5th pressure measuring tie-in is connected to the IN2 mouths and sky of equalizing valve
On pipeline between the T2 mouths of spring pressure, the OUT port of the first double check valve is connected with the IN mouths of cutout cock, cutout cock
OUT port is connected with the T mouths of empty and load brake regulator, between the OUT port of cutout cock and the T mouths of empty and load brake regulator and is connected to the 3rd pressure sensing
Device, the 8th pressure measuring tie-in, throttle orifice, the OUT port of empty and load brake regulator are connected with the T mouths of relay valve, and the 6th pressure measuring tie-in is connected to sky
Between the OUT port of loaded vehicle valve and the T mouths of relay valve, the IN1 mouths of empty and load brake regulator are connected with the OUT port of the second double check valve, the
The IN2 mouths of two double check valves are connected with the EPout mouths of relay valve, IN1 mouths and the indirect brake interface of the second double check valve
DV mouths be connected, between the IN1 mouths of the second double check valve and the DV mouths of indirect brake interface and be connected to second pressure sensing
Device, the 7th pressure measuring tie-in.
Preferably, the relay valve includes adjusting air valve, relaying air valve, emergency backup valve, urgent magnetic valve, braking electromagnetism
Valve, release electromagnetic valve, relay valve pressure sensor, long-range release electromagnetic valve, remotely alleviate air valve, adjusting air valve and relay valve
R2 mouths are connected, and the both ends for relaying air valve are connected with the R3 mouths of relay valve and the T mouths of relay valve respectively, the IN1 mouths of emergency backup valve
Be connected with the R4 mouths of relay valve, the OUT port of emergency backup valve is connected with the EPout mouths of relay valve, the IN1 mouths of urgent magnetic valve with
The IN1 mouths of emergency backup valve are connected, and the OUT port of urgent magnetic valve is connected with the OUT port of emergency backup valve, urgent magnetic valve
IN2 mouths are connected with the OUT port of braking electromagnetic valve, the IN mouths of release electromagnetic valve, and relay valve pressure sensor is connected to urgent electromagnetism
The IN2 mouths of valve, the OUT port of braking electromagnetic valve, release electromagnetic valve IN mouths between pipeline on, long-range release electromagnetic valve with relaying
The R4 mouths of valve, long-range air valve of alleviating are connected, and long-range alleviation air valve and relaying air valve, the C mouths of relay valve are connected.
Preferably, the gas brak control unit used for rail vehicle is located on gas circuit bottom plate, the inside of the gas circuit bottom plate
Gas circuit hole is drilled with, the gas circuit bottom plate also includes pinboard, gas circuit hole also is provided with inside the pinboard, is externally screwed hole,
It is located at the valve mounting surface of the gas circuit bottom plate to connect outside gas circuit and output pressure to external system, the pinboard
The back side.
Preferably, the back side of the gas circuit bottom plate is additionally provided with electric connector.
Preferably, the gas circuit bottom plate is provided with the installation screwed hole of pressure sensor and the installation screw thread of pressure measuring tie-in
Hole, the peripheral side of the gas circuit bottom plate are provided with the screwed hole of installation screw plug, and the pinboard is provided with six external spiral shells
Line interface, be respectively the first wind regime interface, the second wind regime interface, the TI mouths interface of empty spring pressure, empty spring pressure T2 mouths interface,
The C1 mouths interface of checking cylinder, indirect brake pressure DV mouth interfaces.
Preferably, the first pressure sensor, the second pressure sensor, the 3rd pressure sensor, described
The interface of 4th pressure sensor is all external thread form, and working pressure range is all 0-10bar.
Preferably, first pressure measuring tie-in, second pressure measuring tie-in, the 3rd pressure measuring tie-in, the described 4th survey
Crimp head, the 5th pressure measuring tie-in, the 6th pressure measuring tie-in, the 7th pressure measuring tie-in, the 8th pressure measuring tie-in, institute
It is all externally threaded connected mode to state the 9th pressure measuring tie-in, is designed with dust cap, and side is designed with dust cap ejector button, all for
Manual one-way valve structure, after corresponding plug presses down, the pressure of inside can be exported.
Compared with prior art, the present invention has following beneficial effect：Each duty valve block of the present invention is installed concentratedly
On one piece of gas path plate, logical combination is carried out by inner air path passage, integration degree is high, control accuracy is high, stability good, carries
The high safe performance indexes and maintenanceability index of brakes；The present invention is provided with a kind of new relay valve, there is provided normal
The brake force for the matching being adapted to being realized under braking and two kinds of operating modes of brake hard under two kinds of operating modes exports, and improves system
Safety Redundancy；The present invention is provided with the backup functionality of urgent magnetic valve, in urgent solenoid valve failure, can replace urgent magnetic valve
Emergency function is realized, can not apply the emergency brake due to urgent solenoid valve failure in the process of running for train and provide solution
Method, increase the Safety Redundancy of system；In the case of the invention provides being burst in empty spring one is exported by a series of device
The individual constant empty spring pressure of simulation realizes the adjustment of urgent pre- governor pressure to the signal chamber of empty and load brake regulator, adds the safety of system
Property；The present invention is provided with a device for forcing remotely to alleviate, and is placed on the pipeline between relay valve and checking cylinder, car is provided with control
The long-range button switch for alleviating device of system, long-range device of alleviating can be alleviated by switch, improve processing safety and
The maintainability of system；Present invention also offers a kind of pressure interface braked indirectly, it is easy to hang together in train or electric pneumatic breaking
Backup braking is carried out during failure, i.e., as locomotive, the alleviation of train and braking are realized by operating the increase and decrease pressure of train pipe.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the logic schematic diagram of gas circuit of the present invention.
Fig. 2 is the logic schematic diagram of gas circuit of the relay valve of the present invention.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Present invention gas brak control unit used for rail vehicle includes：
Multiple pressure measuring tie-ins, it is placed on the pipeline of gas circuit bottom plate, for detecting the pressure in corresponding pipeline；
Multiple pressure sensors, it is placed on the pipeline of gas circuit bottom plate, for the pressure signal in corresponding pipeline to be changed
For electric signal and export；
Multiple pressure switches, it is placed on the pipeline of gas circuit bottom plate, for being detected, showing to the pressure in pipeline,
Alarm, control output, to ensure the normal operation of whole gas brak control unit used for rail vehicle；
Relay valve, it is placed on gas circuit bottom plate, for controlling exhaust or inflation according to the change of pre- governor pressure.
As shown in Figure 1 to Figure 2, present invention gas brak control unit used for rail vehicle also includes pilot solenoid valve 6, pressure-reducing valve
7th, Pneumatic valve 8, the first double check valve 9, cutout cock 10, equalizing valve 11, relay valve 15, the second double check valve 18, bare weight
Car valve 19, throttle orifice 20, multiple pressure measuring tie-ins are the first pressure measuring tie-in 1, the second pressure measuring tie-in 3, the 3rd pressure measuring tie-in the 4, the 4th
Pressure measuring tie-in 5, the 5th pressure measuring tie-in 12, the 6th pressure measuring tie-in 14, the 7th pressure measuring tie-in 17, the 8th pressure measuring tie-in the 22, the 9th are surveyed
Crimp head 24, multiple pressure sensors are first pressure sensor 2, second pressure sensor 16, the 3rd pressure sensor 21,
Four pressure sensors 23, multiple pressure switches are that first pressure switchs 13, second pressure switch 25, the IN mouths of pilot solenoid valve 6
It is connected with the R1 mouths of the second wind regime, the OUT port of pilot solenoid valve 6 is connected with the R2 mouths of relay valve 15, and first pressure switch 13 is simultaneously
Be connected on the pipeline between pilot solenoid valve 6 and relay valve 15, three total wind pressure connector R3 mouths of relay valve 15, R4 mouths,
R5 mouths are all connected by the pipeline of inside with the R mouths of the first wind regime, and the C mouths of relay valve 15 are connected with the C1 mouths of checking cylinder, in
After on the pipeline between the C mouths of valve 15 and the C1 mouths of checking cylinder and being connected to the 4th pressure sensor 23, the 9th pressure measuring tie-in 24,
Two pressure switches 25, the first pressure measuring tie-in 1 and first pressure sensor 2 are all connected to the R of the first wind regime by the pipeline of inside
On mouth, the IN mouths of pressure-reducing valve 7 are connected with the R mouths of the first wind regime, and the OUT port of pressure-reducing valve 7 is connected with the IN mouths of Pneumatic valve 8, and second
Pressure measuring tie-in 3 is connected between the pipeline of pressure-reducing valve 7 and Pneumatic valve 8, the OUT port of Pneumatic valve 8 and the first double check valve 9
IN1 mouths are connected, and the 3rd pressure measuring tie-in 4 is connected to the pipeline between the OUT port of Pneumatic valve 8 and the IN1 mouths of the first double check valve 9
On, the IN2 mouths of the first double check valve 9 are connected with the OUT port of equalizing valve 11 and the IN2 mouths of the first double check valve 9 and pressed
On pipeline between the OUT port of valve 11 and connect a pipeline being connected with the T mouths of Pneumatic valve 8, the IN3 mouths of equalizing valve 11 and first
The R mouths of wind regime are connected, the IN1 mouths of equalizing valve 11, the IN2 mouths of equalizing valve 11 the T1 mouths with empty spring pressure, empty spring pressure respectively
T2 mouths are connected, and the 4th pressure measuring tie-in 5 is connected on the pipeline between the IN1 mouths of equalizing valve 11 and the T1 mouths of empty spring pressure, and the 5th
Pressure measuring tie-in 12 is connected on the pipeline between the IN2 mouths of equalizing valve 11 and the T2 mouths of empty spring pressure, the first double check valve 9
OUT port is connected with the IN mouths of cutout cock 10, and the OUT port of cutout cock 10 is connected with the T mouths of empty and load brake regulator 19, cutout cock 10
OUT port and empty and load brake regulator 19 T mouths between and be connected to the 3rd pressure sensor 21, the 8th pressure measuring tie-in 22, throttle orifice 20, it is empty
The OUT port of loaded vehicle valve 19 is connected with the T mouths of relay valve 15, and the 6th pressure measuring tie-in 14 is connected to the OUT port of empty and load brake regulator 19 with
After between the T mouths of valve 15, the IN1 mouths of empty and load brake regulator 19 are connected with the OUT port of the second double check valve 18, the second double check valve
18 IN2 mouths are connected with the EPout mouths of relay valve 15, the IN1 mouths of the second double check valve 18 and the DV mouths of indirect brake interface
Be connected, between the IN1 mouths of the second double check valve 18 and the DV mouths of indirect brake interface and be connected to second pressure sensor 16,
7th pressure measuring tie-in 17.
The empty and load brake regulator still has the output of brake riggings control pressure in the case of being zero in empty spring pressure.The pressure-reducing valve
, can be by the pressure of the wind regime pressure of import to required stabilization using the mounting means of plate connecting type.Described first pair
The form of shuttle valve is respectively adopted to check-valves and second double check valve, there is two pressure introduction ports and a pressure respectively
Delivery outlet, exported according to the size of input end pressure, it is output pressure to select the big input end pressure of pressure, is cut simultaneously
The only small input of pressure.The equalizing valve has three pressure introduction ports and a pressure output, can be by the pressure of two inputs
Power is entered average after export.The first pressure switch and second pressure switch are all the mounting means of plate connecting type, are pressed
Difference is non-adjustable, and contact form is all single-pole double throw.The cutout cock is the mounting means of plate connecting type, and two-bit triplet, band side is arranged
Form, exhaust source are downstream pressure.The pilot solenoid valve is controlling the first of relay valve the auxiliary air valve to control relay valve defeated
Go out the brake-cylinder pressure of different series, meet the needs of train difference operating mode, the normal dead electricity of magnetic valve, the work of the magnetic valve
It is DC110V to make voltage.
The relay valve 15 include adjusting air valve 151, relaying air valve 152, emergency backup valve 153, urgent magnetic valve 154,
Braking electromagnetic valve 155, release electromagnetic valve 156, relay valve pressure sensor 157, long-range release electromagnetic valve 158, remotely alleviate gas
Valve 159, adjusting air valve 151 are connected with the R2 mouths of relay valve 15, relay the both ends of air valve 152 respectively with the R3 mouths of relay valve 15 and
The T mouths of relay valve 15 are connected, and the IN1 mouths of emergency backup valve 153 are connected with the R4 mouths of relay valve 15, the OUT of emergency backup valve 153
Mouth is connected with the EPout mouths of relay valve 15, and the IN1 mouths of urgent magnetic valve 154 are connected with the IN1 mouths of emergency backup valve 153, promptly
The OUT port of magnetic valve 154 is connected with the OUT port of emergency backup valve 153, the IN2 mouths and braking electromagnetic valve of urgent magnetic valve 154
155 OUT port, the IN mouths of release electromagnetic valve 156 are connected, and relay valve pressure sensor 157 is connected to urgent magnetic valve 154
IN2 mouths, the OUT port of braking electromagnetic valve 155, release electromagnetic valve 156 IN mouths between pipeline on, long-range release electromagnetic valve 158
R4 mouths, long-range air valve 159 of alleviating with relay valve 15 are connected, long-range to alleviate air valve 159 and relaying air valve 152, the C of relay valve 15
Mouth is connected.
The relay valve is electric by adjusting air valve, relaying air valve, emergency backup valve, urgent magnetic valve, braking electromagnetic valve, alleviation
Magnet valve, long-range release electromagnetic valve, long-range air valve of alleviating are integrated on valve, there is provided Safety Redundancy function, can export different series
Brake-cylinder pressure, a kind of pop valve backup functionality is also provided, in pop valve failure, pop valve can be substituted and promptly pressed
Power exports, while also provides the function of remotely alleviating.
The gas brak control unit used for rail vehicle is located on gas circuit bottom plate, and the inside of the gas circuit bottom plate is drilled with gas circuit
Hole, each valve are all attached by the gas circuit hole of the inside of the gas circuit bottom plate, and the gas circuit bottom plate also includes pinboard, described
Gas circuit hole also is provided with inside pinboard, is externally screwed hole, it is described to connect outside gas circuit and output pressure to external system
Pinboard is located at the back side of the valve mounting surface of the gas circuit bottom plate.
The back side of the gas circuit bottom plate is additionally provided with electric connector, the positive valve with live wire, pressure sensor, pressure
Switch isoelectric line is linked on the public pin of electric connector, and the gas brak control unit passes through the electric connector and electronics system
Dynamic control unit connection.
The gas circuit bottom plate is provided with the installation screwed hole of pressure sensor and the installation screwed hole of pressure measuring tie-in, the gas
The peripheral side of road bottom plate is provided with the screwed hole of installation screw plug, and the pinboard is provided with six to external screw joint, divided
It is not the first wind regime interface, the second wind regime interface, the TI mouths interface of empty spring pressure, T2 mouths interface, the checking cylinder of empty spring pressure
The DV mouth interfaces of C1 mouths interface, indirect brake pressure port.
The first pressure sensor, the second pressure sensor, the 3rd pressure sensor, the 4th pressure
The interface of sensor is all external thread form, and working pressure range is all 0-10bar, for measuring pressure, the load-carrying of checking cylinder
The pressure of pressure, total wind pressure and indirect brake interface, so measurement is accurate and is easy to fix.
First pressure measuring tie-in, second pressure measuring tie-in, the 3rd pressure measuring tie-in, the 4th pressure measuring tie-in,
5th pressure measuring tie-in, the 6th pressure measuring tie-in, the 7th pressure measuring tie-in, the 8th pressure measuring tie-in, the described 9th
Pressure measuring tie-in is all externally threaded connected mode, is designed with dust cap, and side is designed with dust cap ejector button, all to be single manually
To valve arrangement, after corresponding plug presses down, the pressure of inside can be exported, for total wind pressure, relay valve pre-control
Pressure, indirect brake interface pressure, empty spring pressure, brake-cylinder pressure and load-carrying pressure carry out pressure measurement, such good dustproof effect.
The operation principle of present invention gas brak control unit used for rail vehicle is as follows：
Before the operation principle of this gas brak control unit used for rail vehicle is elaborated, first clearly each gas channels
Connect source and target source, the second outside wind regime of R1 mouths connection, the first wind regime outside the connection of R mouths, the empty spring pressure of T1 mouths connection
One end, T2 mouths connect the other end of empty spring pressure, C1 mouths connection checking cylinder, and DV mouths connect indirect brake interface.
Especially it is emphasised that：Relay valve is integrated with adjusting air valve, relaying air valve, emergency backup valve, urgent magnetic valve, braking
Magnetic valve, release electromagnetic valve, long-range release electromagnetic valve, remotely alleviate air valve, there are numerous important functions such as Safety Redundancy, tightly
For urgent telegram magnet valve to be often powered, emergency backup valve is normal dead electricity.
Especially it is emphasised that：Under normal circumstances, the pressure treatment mode of the T mouths of empty and load brake regulator 19 is the T1 mouths of empty spring pressure
The IN1 mouths of equalizing valve 11 and the IN2 mouths of equalizing valve 11 are separately input into the T2 mouths of empty spring pressure, is pressed by equalizing valve 11
Afterwards, the average value of both ends sky spring pressure is exported into the T mouths to the IN2 mouths of the first double check valve 9 and Pneumatic valve 8 respectively, depressurized
The IN mouths of valve 7 connect the first wind regime, are exported after decompression to the IN mouths of Pneumatic valve 8, the pressure of the T mouths of Pneumatic valve 8 and are more than gas control
The setting high point switching value of valve 8, the OUT port output of Pneumatic valve 8 and the pressure of the equal size of T mouth pressure of Pneumatic valve 8 to first
The IN1 mouths of double check valve 9, by cutout cock 10 and export to the T mouths of empty and load brake regulator 19.
When the either end explosion of empty spring pressure, empty spring pressure drastically reduces, the pressure after equalizing valve 11 is pressed
Also drastically reduce, the pressure for reaching the T mouths of Pneumatic valve 8 is less than the setting low spot switching value of Pneumatic valve 8, and the OUT port of Pneumatic valve 8 is defeated
The pressure gone out is consistent with the pressure that pressure-reducing valve 7 exports, and is constant pressure, this pressure is by the first double check valve 9 and blocks plug
The output of door 10 realizes the output of the pre- governor pressure of brake hard to the T mouths of empty and load brake regulator 19.
The operation principle of the gas brak control unit is illustrated from Four processes below：
First, service braking, under service braking operating mode, gas brak control unit response deceleration of electrons control used for rail vehicle
The braking electric signal of unit, the load-carrying pressure of the Current vehicle exported according to empty and load brake regulator, controls the regulation of the inside of relay valve
Wind regime pressure is adjusted to the pre- governor pressure of satisfactory relay valve by air valve, relay valve is exported satisfactory big flow
Brake-cylinder pressure, under service braking operating mode, pilot solenoid valve energized action, wind regime pressure is by the R1 mouths of the first wind regime to guide
The IN mouths of magnetic valve, then the OUT port to pilot solenoid valve, then the R2 mouths to relay valve, then the pre- governor pressure to regulating valve air valve
Chamber, modulating gas valve valve events, relaying air valve are switched to low-pressure output mode, and main process of gas path is：Electronic brake control unit
Send electric signal control braking electromagnetic valve and release electromagnetic valve, wind regime by relay valve R5 mouths to braking electromagnetic valve IN mouths, then
To the IN2 mouths of urgent magnetic valve, then the OUT port to urgent magnetic valve, then the EPout mouths to relay valve, then to second it is two-way only
Return the IN2 mouths of valve, then the OUT port to the second double check valve, then the IN1 mouths to empty and load brake regulator, then the OUT to empty and load brake regulator 19
Mouthful, then the T mouths to relay valve, then to the pre-control pressure chamber for relaying air valve, meanwhile, electronic brake control unit can gather the 4th pressure
The pressure value of force snesor simultaneously compares with target pressure value, and in real time, stably, quickly adjusts the pre- governor pressure of relay valve,
Realize the application of service braking.
2nd, brake hard, under brake hard operating mode, pilot solenoid valve dead electricity, relaying air valve is switched to high pressure output
Pattern, meanwhile, urgent magnetic valve dead electricity, wind regime pressure is output to empty and load brake regulator by urgent magnetic valve and adjusted by empty and load brake regulator
It is whole for urgent pre-control pressure output to air valve is relayed, realize the quick output of emergency brake pressure, main process of gas path is：Wind regime by
The R4 mouths of relay valve to the IN1 mouths of urgent magnetic valve, then the OUT port to urgent magnetic valve, then the EPout mouths to relay valve, then
To the IN2 mouths of the second double check valve, then the OUT port to the second double check valve, then the IN1 mouths to empty and load brake regulator, then it is extremely empty
The OUT port of loaded vehicle valve, then the T mouths to relay valve, then to the pre-control pressure chamber for relaying air valve, relay air valve output big-flow high-pressure
The emergency brake pressure of power realizes the application of brake hard to checking cylinder.
In train travelling process, because certain situation causes urgent solenoid valve failure, urgent magnetic valve can not be normally defeated
In the case of going out pressure, emergency backup pattern can be started, the work of urgent magnetic valve is completed by emergency backup valve, it is urgent standby
Part valve is dead electricity under normal circumstances, so electricity condition can be become to obtain by being once activated, specific process of gas path is：Wind regime is in
After valve R4 mouths to the IN1 mouths of emergency backup valve, then the OUT port to emergency backup valve, then the EPout mouths to relay valve, then extremely
The IN2 mouths of second double check valve, then the OUT port to the second double check valve, then the IN1 mouths to empty and load brake regulator, then to bare weight
The OUT port of car valve, then the T mouths to relay valve, then to the pre-control pressure chamber for relaying air valve, relay air valve output big-flow high-pressure power
Emergency brake pressure to checking cylinder.
3rd, service braking is alleviated, the alleviation electricity of gas brak control unit response electronic brake control unit used for rail vehicle
Signal, control relay valve inside relaying air valve by pre- governor pressure empty, due to relay valve with relay valve failure safe backup
Function, that is, a fixed pressure output is produced in the short time after alleviating again, so being collected in electronic brake control unit
When the pressure of 4th pressure sensor is zero, while control long-range release electromagnetic valve energized action, by relay valve and checking cylinder it
Between pressure channel cut-out, checking cylinder complete incidence graph, specific process of gas path is：The pre- governor pressure of air valve is relayed to empty and load brake regulator
OUT port, then the IN1 mouths to empty and load brake regulator, then the OUT port to the second double check valve, then the IN2 to the second double check valve
Mouthful, then the EPout mouths to relay valve, then the OUT port to urgent magnetic valve, then the IN2 mouths to urgent magnetic valve, then it is electric to alleviating
The IN mouths of magnet valve, then the EXO mouths to release electromagnetic valve, then air is drained into, realize and alleviate.
4th, brake hard is alleviated, and gas brak control unit used for rail vehicle is alleviated after applying the emergency brake, urgent electricity
Magnet valve obtains electric, the OUT port disconnection of the IN1 mouths and urgent magnetic valve of urgent magnetic valve, the IN2 mouths and urgent electromagnetism of urgent magnetic valve
The OUT port conducting of valve, release electromagnetic valve obtains electric, relays the urgent pre- governor pressure of air valve to the OUT port of empty and load brake regulator, then to bare weight
The IN1 mouths of car valve, then the OUT port to the second double check valve, then the IN2 mouths to the second double check valve, then to relay valve
EPout mouths, then the OUT port to urgent magnetic valve, then the IN2 mouths to urgent magnetic valve, then the IN mouths to release electromagnetic valve, then extremely
The EXO mouths of release electromagnetic valve, then air is drained into, realize that brake hard is alleviated.
5th, long-range alleviation is forced, when needing to be forced remotely to alleviate, presses the button switch for forcing remotely to alleviate
Afterwards, long-range release electromagnetic valve is obtained electric, and the long-range pre- governor pressure for alleviating air valve is drained into air by long-range release electromagnetic valve, long-range to alleviate
Air valve is acted, the pressure channel between cut-out relaying air valve and checking cylinder, and the pressure for braking cylinder end is drained into air, is realized remote
Journey mitigation capability.
6th, empty spring burst conditions, when the either end explosion of empty spring pressure, empty spring pressure drastically reduces, by pressing
Pressure after valve is pressed also drastically reduces, and the pressure for reaching the T mouths of Pneumatic valve is less than the setting low spot switching value of Pneumatic valve, gas control
The pressure of the OUT port output of valve is consistent with the pressure that pressure-reducing valve exports, and is constant pressure, this pressure passes through the first double check valve
Exported with cutout cock to the T mouths of empty and load brake regulator, realize the output of the pre- governor pressure of brake hard, and then realize brake hard, it is main
Process of gas path is：Wind regime by the R mouths of the first wind regime to the IN mouths of pressure-reducing valve, then the OUT port to pressure-reducing valve 7, then to Pneumatic valve
IN mouths, then the OUT port to Pneumatic valve, then the IN1 mouths to the first double check valve, then the OUT port to the first double check valve, then
To the IN mouths of cutout cock, then the OUT port to cutout cock, then the T mouths to empty and load brake regulator, when the 3rd pressure sensor detects
After constant pressure, urgent magnetic valve dead electricity is controlled, realizes brake hard.
The gas brak control unit be provided with relay valve fail safe redundant function, pop valve fail safe redundant function,
Long-range mitigation capability, export different series brake-cylinder pressure function and adopted required in the case that air spring damages or bursts
The emergency safety measure taken.The new relay valve, the empty and load brake regulator, the double check valve, the pressure-reducing valve, the gas
Control the valve, equalizing valve, the pilot solenoid valve, the pressure sensor, the pressure switch, the cutout cock, described
Pressure measuring tie-in is installed concentratedly on described gas circuit bottom plate, and the gas circuit base plate interior is drilled with gas circuit hole, and each valve passes through the gas
The gas circuit hole of road base plate interior is attached, and also has gas circuit hole inside the pinboard, is externally screwed hole, to connect outside
Gas circuit and output pressure to external system, the pinboard are arranged on the back side of the valve mounting surface of the gas circuit bottom plate.It is described
The installation screwed hole of pressure sensor and pressure measuring tie-in is additionally provided with gas circuit bottom plate, gas circuit bottom plate peripheral side is provided with installation
The screwed hole of screw plug.Five are provided with the pinboard to external screw joint, is the first wind regime interface, the second wind respectively
Source interface, the first empty spring compression fittings, the second empty spring pressure interface, brake-cylinder pressure interface and indirect brake pressure port.Institute
State new relay valve EP valve modules, pop valve and emergency backup valve are integrated on valve, there is provided Safety Redundancy function, can export
The brake-cylinder pressure of different series, a kind of pop valve backup functionality is also provided, in pop valve failure, pop valve can be substituted and entered
Row emergency pressure exports, while also provides the function of remotely alleviating.The control car valve can be according to vehicle load pressure
Change and the pre- governor pressure of new relay valve is adjusted, and then correct the output of vehicle braking control pressure, the empty and load
Valve still has the output of brake riggings control pressure in the case of being zero in empty spring pressure.The double check valve uses the shape of shuttle valve
Formula, there are two pressure introduction ports and a pressure output, it is exported according to the size of input end pressure, selects pressure
Big input end pressure is output pressure, while the input that cutoff pressure is small.The pressure-reducing valve can be by import wind regime pressure
The pressure of stabilization required for being decompressed to, pressure-reducing valve use plate connecting type mounting means.The Pneumatic valve is internal pilot formula shuttle valve
Structure, the opening and closing of valve can be carried out according to the pressure difference of two inputs.It has two pressure introduction ports and a pressure defeated
Outlet.The equalizing valve can enter the pressure of two inputs average after export, the equalizing valve has three pressure introduction ports
With a pressure output.The pilot solenoid valve is controlling the first of new relay valve the auxiliary air valve to control relay valve to export
The brake-cylinder pressure of different series, meet the needs of train difference operating mode, the normal dead electricity of magnetic valve, the electromagnetic valve work electricity
Press as DC110V.The pressure sensor is current mode pressure sensor, and interface is external thread form, working pressure range 0-
10bar, brake-cylinder pressure, load-carrying pressure, total wind pressure and indirect brake interface pressure can be measured.The pressure switch is plate
Formula mounting means is connect, pressure difference is non-adjustable, and contact form is single-pole double throw.The cutout cock is plate connecting type mounting means, two
Threeway, band side row's form, exhaust source is downstream pressure.The pressure measuring tie-in is external screw thread connected mode, the pressure measuring tie-in band
There is dust cap, there is button side, and dust cap can be ejected after pressing down, and pressure measuring tie-in is Manual one-way valve structure, with correspondingly
Plug press down after, internal pressure can be exported, can be to total wind pressure, the pre- governor pressure of relay valve, indirect brake interface
Pressure, empty spring pressure, brake-cylinder pressure and load-carrying pressure carry out pressure measurement.It is also equipped with electrically connecing at the back side of the gas circuit bottom plate
Plug-in unit, the positive valve with live wire, pressure sensor, pressure switch isoelectric line are linked on the public pin of electric connector, institute
Gas brak control unit is stated to be connected with EBCU electronic brake control units by the electric connector.
In summary, each duty valve block of the invention is installed concentratedly on one piece of gas path plate, is entered by inner air path passage
Row logical groups, integration degree is high, control accuracy is high, stability good, improves the safe performance indexes and Ke Wei of brakes
Repairing property index；The present invention is provided with new relay valve, there is provided realizes and is adapted under two kinds of operating modes of service braking and brake hard
The brake force output of matching under two kinds of operating modes, improve the Safety Redundancy of system；The present invention is provided with the backup of urgent magnetic valve
Function, in urgent solenoid valve failure, function can be realized instead of urgent magnetic valve, be train in the process of running due to urgent
Solenoid valve failure and can not apply the emergency brake and provide solution, increase the Safety Redundancy of system；The invention provides
The constant empty spring pressure of simulation is exported to the signal chamber of empty and load brake regulator by a series of device in the case of empty spring explosion
The adjustment of urgent pre- governor pressure is realized, adds the security of system；The present invention is provided with a device for forcing remotely to alleviate, and puts
On pipeline between relay valve and checking cylinder, car is provided with the long-range button switch for alleviating device of control, can pass through switch pair
Long-range device of alleviating is alleviated, and improves the maintainability of processing safety and system；Present invention also offers a kind of indirect
The pressure interface of braking, it is easy to hang together in train or carries out backup braking during electric pneumatic breaking failure, i.e., as locomotive, pass through behaviour
The increase and decrease for making train pipe is pressed to realize the alleviation of train and braking.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (7)
- A kind of 1. gas brak control unit used for rail vehicle, it is characterised in that the gas brak control unit bag used for rail vehicle Include：Multiple pressure measuring tie-ins, it is placed on the pipeline of gas circuit bottom plate, for detecting the pressure in corresponding pipeline；Multiple pressure sensors, it is placed on the pipeline of gas circuit bottom plate, for the pressure signal in corresponding pipeline to be converted into electricity Signal simultaneously exports；Multiple pressure switches, it is placed on the pipeline of gas circuit bottom plate, for being detected, showing, alarming to the pressure in pipeline, Control output, to ensure the normal operation of whole gas brak control unit used for rail vehicle；Relay valve, it is placed on gas circuit bottom plate, for controlling exhaust or inflation according to the change of pre- governor pressure；It is described used for rail vehicle Gas brak control unit also include pilot solenoid valve, pressure-reducing valve, Pneumatic valve, the first double check valve, cutout cock, equalizing valve, Relay valve, the second double check valve, empty and load brake regulator, throttle orifice, multiple pressure measuring tie-ins are that the first pressure measuring tie-in, the second pressure measurement connect Head, the 3rd pressure measuring tie-in, the 4th pressure measuring tie-in, the 5th pressure measuring tie-in, the 6th pressure measuring tie-in, the 7th pressure measuring tie-in, the 8th pressure measurement Joint, the 9th pressure measuring tie-in, multiple pressure sensors are first pressure sensor, second pressure sensor, the 3rd pressure sensing Device, the 4th pressure sensor, multiple pressure switches be first pressure switch, second pressure switch, the IN mouths of pilot solenoid valve with The R1 mouths of second wind regime are connected, and the OUT port of pilot solenoid valve is connected with the R2 mouths of relay valve, and first pressure switch is connected to guide On pipeline between magnetic valve and relay valve, three total wind pressure connector R3 mouths, R4 mouths, R5 mouths of relay valve all pass through inside Pipeline be connected with the R mouths of the first wind regime, the C mouths of relay valve are connected with the C1 mouths of checking cylinder, in the C mouths and checking cylinder of relay valve C1 mouths between pipeline on and be connected to the 4th pressure sensor, the 9th pressure measuring tie-in, second pressure switch, the first pressure measuring tie-in All it is connected on the R mouths of the first wind regime by the pipeline of inside with first pressure sensor, the IN mouths and the first wind regime of pressure-reducing valve R mouths be connected, the OUT port of pressure-reducing valve is connected with the IN mouths of Pneumatic valve, and the second pressure measuring tie-in is connected to pressure-reducing valve and Pneumatic valve Between pipeline, the OUT port of Pneumatic valve is connected with the IN1 mouths of the first double check valve, and the 3rd pressure measuring tie-in is connected to Pneumatic valve On pipeline between OUT port and the IN1 mouths of the first double check valve, the IN2 mouths of the first double check valve and the OUT port of equalizing valve It is connected and on the pipeline between the IN2 mouths of the first double check valve and the OUT port of equalizing valve and connects a T mouth phase with Pneumatic valve Pipeline even, the IN3 mouths of equalizing valve are connected with the R mouths of the first wind regime, the IN1 mouths of equalizing valve, the IN2 mouths of equalizing valve respectively with sky The T1 mouths of spring pressure, the T2 mouths of empty spring pressure are connected, and the 4th pressure measuring tie-in is connected to the IN1 mouths of equalizing valve and the T1 of empty spring pressure On pipeline between mouthful, the 5th pressure measuring tie-in is connected on the pipeline between the IN2 mouths of equalizing valve and the T2 mouths of empty spring pressure, the The OUT port of one double check valve is connected with the IN mouths of cutout cock, and the OUT port of cutout cock is connected with the T mouths of empty and load brake regulator, cuts Between the OUT port of disconnected cock and the T mouths of empty and load brake regulator and it is connected to the 3rd pressure sensor, the 8th pressure measuring tie-in, throttle orifice, bare weight The OUT port of car valve is connected with the T mouths of relay valve, the 6th pressure measuring tie-in be connected to empty and load brake regulator OUT port and relay valve T mouths it Between, the IN1 mouths of empty and load brake regulator are connected with the OUT port of the second double check valve, the IN2 mouths of the second double check valve and relay valve EPout mouths are connected, and the IN1 mouths of the second double check valve are connected with the DV mouths of indirect brake interface, in the second double check valve Between IN1 mouths and the DV mouths of indirect brake interface and it is connected to second pressure sensor, the 7th pressure measuring tie-in.
- 2. gas brak control unit used for rail vehicle according to claim 1, it is characterised in that the relay valve includes adjusting Air throttle, relaying air valve, emergency backup valve, urgent magnetic valve, braking electromagnetic valve, release electromagnetic valve, relay valve pressure sensor, Long-range release electromagnetic valve, remotely alleviate air valve, adjusting air valve is connected with the R2 mouths of relay valve, relays the both ends of air valve respectively with It is connected after the R3 mouths of valve with the T mouths of relay valve, the IN1 mouths of emergency backup valve are connected with the R4 mouths of relay valve, emergency backup valve OUT port is connected with the EPout mouths of relay valve, and the IN1 mouths of urgent magnetic valve are connected with the IN1 mouths of emergency backup valve, urgent electromagnetism The OUT port of valve is connected with the OUT port of emergency backup valve, the IN2 mouths of urgent magnetic valve and the OUT port of braking electromagnetic valve, alleviates electricity The IN mouths of magnet valve are connected, the IN2 mouths with urgent magnetic valve, the OUT port of braking electromagnetic valve, the alleviation respectively of relay valve pressure sensor The IN mouths of magnetic valve are connected by pipeline, and long-range release electromagnetic valve is connected with R4 mouths, the long-range air valve of alleviating of relay valve, long-range slow Solution air valve is with relaying air valve, the C mouths of relay valve are connected.
- 3. gas brak control unit used for rail vehicle according to claim 1, it is characterised in that the gas used for rail vehicle Brak control unit is located on gas circuit bottom plate, and the inside of the gas circuit bottom plate is drilled with gas circuit hole, and the gas circuit bottom plate also includes turning Fishplate bar, gas circuit hole also is provided with inside the pinboard, is externally screwed hole, to connect outside gas circuit and output pressure to outside System, the pinboard are located at the back side of the valve mounting surface of the gas circuit bottom plate.
- 4. gas brak control unit used for rail vehicle according to claim 3, it is characterised in that the back of the body of the gas circuit bottom plate Face is additionally provided with electric connector.
- 5. gas brak control unit used for rail vehicle according to claim 3, it is characterised in that set on the gas circuit bottom plate There are the installation screwed hole of pressure sensor and the installation screwed hole of pressure measuring tie-in, the peripheral side of the gas circuit bottom plate is provided with installation The screwed hole of screw plug, the pinboard are provided with six to external screw joint, are the first wind regime interface, the second wind regime respectively Interface, the TI mouths interface of empty spring pressure, the T2 mouths interface of empty spring pressure, C1 mouths interface, the DV of indirect brake interface of checking cylinder Mouthful.
- 6. gas brak control unit used for rail vehicle according to claim 1, it is characterised in that the first pressure sensing Device, the second pressure sensor, the 3rd pressure sensor, the interface of the 4th pressure sensor are all external screw thread shape Formula, working pressure range are all 0-10bar.
- 7. gas brak control unit used for rail vehicle according to claim 1, it is characterised in that first pressure measurement connects Head, second pressure measuring tie-in, the 3rd pressure measuring tie-in, the 4th pressure measuring tie-in, the 5th pressure measuring tie-in, described Six pressure measuring tie-ins, the 7th pressure measuring tie-in, the 8th pressure measuring tie-in, the 9th pressure measuring tie-in are all externally threaded connection Mode, dust cap is designed with, side is designed with dust cap ejector button, is all Manual one-way valve structure, is pressed in corresponding plug After going down, the pressure of inside can be exported.
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| CN201610705109.4A CN106080650B (en) | 2016-08-23 | 2016-08-23 | A kind of gas brak control unit used for rail vehicle |
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| CN201610705109.4A CN106080650B (en) | 2016-08-23 | 2016-08-23 | A kind of gas brak control unit used for rail vehicle |
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| CN106080650B true CN106080650B (en) | 2018-01-30 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106740806B (en) * | 2017-01-20 | 2019-07-26 | 深圳市远望谷信息技术股份有限公司 | A kind of air damping machine detecting device for rolling stock |
| CN107933603B (en) * | 2017-11-14 | 2019-07-26 | 中车长春轨道客车股份有限公司 | City railway train transportation resources |
| CN110065487A (en) * | 2019-04-30 | 2019-07-30 | 南京中车浦镇海泰制动设备有限公司 | A kind of rail traffic use for brake system pressure monitoring device |
| CN111016954B (en) * | 2019-12-26 | 2021-03-26 | 中车株洲电力机车有限公司 | Remote release control device for brake cylinder of railway vehicle |
| CN112193229A (en) * | 2020-10-19 | 2021-01-08 | 中车株洲电力机车有限公司 | Rail transit vehicle braking system and braking control method |
| CN113212405A (en) * | 2021-06-01 | 2021-08-06 | 中车青岛四方车辆研究所有限公司 | Locomotive backup brake device, control method thereof and locomotive |
| CN113859203B (en) * | 2021-10-22 | 2023-12-12 | 浙江瑞立空压装备有限公司 | Brake pressure control device and method |
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