CN214267619U - Electric idling device and rail vehicle brake control device - Google Patents
Electric idling device and rail vehicle brake control device Download PDFInfo
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- CN214267619U CN214267619U CN202120358986.5U CN202120358986U CN214267619U CN 214267619 U CN214267619 U CN 214267619U CN 202120358986 U CN202120358986 U CN 202120358986U CN 214267619 U CN214267619 U CN 214267619U
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Abstract
The utility model provides an electricity is empty to be converted to device and rail vehicle braking control device. The electric idle conversion device comprises a first flow control valve, an inflation electromagnetic valve, a second flow control valve and an exhaust electromagnetic valve which are sequentially connected in series through a pipeline; the first flow control valve is connected with an air outlet of the braking air storage cylinder through a pipeline, and a pre-control pressure outlet connected to a brake pipe is arranged on the pipeline between the inflation electromagnetic valve and the second flow control valve; and an exhaust port of the exhaust electromagnetic valve is communicated with the atmosphere. According to the electric idle device, the first flow control valve and the second flow control valve capable of adjusting the flow are correspondingly arranged in front of the inflation electromagnetic valve and the exhaust electromagnetic valve, so that the action times of the inflation electromagnetic valve and the exhaust electromagnetic valve are reduced during braking, the precision of brake pre-control pressure is improved, the pressure of a brake cylinder is applied smoothly, the impulse limiting function is realized, and the comfort of passengers is improved.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle's brake control, especially, relate to an electricity changes device and rail vehicle brake control device idle.
Background
The brake control device is a core component of a railway vehicle brake control system and mainly used for receiving an instruction of a microcomputer brake control unit to work, converting the instruction into corresponding pre-control pressure through a controlled inflation electromagnetic valve and an exhaust electromagnetic valve or an emergency valve, further controlling a relay valve to generate control pressure of a brake cylinder, and controlling a basic brake device to apply and release brakes.
The performance of the brake control device determines whether the brake control system can accurately, stably and reliably realize the control of the braking force, and plays an important role in the running safety of the railway vehicle. However, the conventional brake control device for the railway vehicle has the following defects:
firstly, the brake cylinder pressure has large impact, frequent fluctuation and weak fine adjustment capability. The brake cylinder pressure controlled by the brake control unit can meet the requirement within the deviation range of the target value, but the fluctuation is large, so that the pressure impact is large when the brake is applied, and the stability of the brake cylinder pressure and the train brake impact rate are influenced.
Secondly, the existing remote relieving function easily causes the risk of safety guidance failure when the brake system fails, and once one or more of the relay valve, the empty and heavy vehicle regulating valve and the emergency brake valve fails, the pilot control pressure cannot be discharged or cannot be completely discharged, so that the brake system cannot realize the remote relieving and safety guidance function when the train fails.
Thirdly, the inflation electromagnetic valve and the exhaust electromagnetic valve on the electric idle device have more times of actions, short service life and high maintenance cost; the inflation solenoid valve is frequently impacted by high-pressure air to cause fatigue, and along with the service life extension, the impurity increases gradually, very easily leads to the jamming or accelerates ageing because of the impurity friction.
Fourthly, the existing brake control device adopts a redundant design of double-brake-cylinder pressure sensors, and the pressure sensors are added behind the remote release valves to monitor whether the release function is really realized, so that the number of the pressure sensors is excessive, and the fault frequency and the cost are increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem to above-mentioned brake control device exists provides an electricity idling device and rail vehicle brake control device. The brake control device can reduce the action times of the inflation solenoid valve and the exhaust solenoid valve, is convenient for the solenoid valve to carry out accurate pressure regulation, weakens the wind pressure fluctuation during pressure regulation, improves the precision of brake pre-control pressure, and can realize the function of remotely relieving guide safety during vehicle faults.
In order to achieve the above object, the present invention provides an electric idle conversion device, which comprises a first flow control valve, an inflation solenoid valve, a second flow control valve and an exhaust solenoid valve connected in series in sequence through a pipeline; the first flow control valve is connected with an air outlet of the braking air storage cylinder through a pipeline, and a pre-control pressure outlet connected to a brake pipe is arranged on the pipeline between the inflation electromagnetic valve and the second flow control valve; and an exhaust port of the exhaust electromagnetic valve is communicated with the atmosphere. Through setting up first flow control valve and second flow control valve, restricted the compressed air flow when inflating solenoid valve and exhaust solenoid valve action at every turn and opening and close, conveniently carry out accurate pressure regulating, the fluctuation of wind pressure when weakening the pressure regulating simultaneously improves the precision of braking pre-control pressure, makes the brake cylinder pressure apply more smoothly, realizes the impulsive motion limit function, is favorable to improving passenger's comfort level.
Preferably, the brake system further comprises a pressure reducing valve which is arranged on a pipeline between the brake air storage cylinder and the first flow control valve. The pressure reducing valve adjusts the pressure of the air inlet of the first flow control valve and the air inflation solenoid valve, reduces the long-term fatigue strength of the pressure of the air inlet to the pressure of the air inlet, and prolongs the service life of the valve body.
Preferably, the air storage tank further comprises a filter, and the filter is arranged at the air outlet of the brake air storage tank. The filter filters the compressed air output by the braking air storage cylinder, so that the phenomenon that each valve body in the electric idling device is clamped or accelerated to age due to impurity friction is avoided, and the service life of the device is prolonged.
Preferably, the electric idle conversion device further includes an exhaust silencing plug mounted on an exhaust port of the exhaust solenoid valve. The exhaust silencing plug reduces noise caused by rapid air exhaust of the exhaust electromagnetic valve in the braking process while realizing the basic exhaust function.
The utility model also provides a rail vehicle brake control device, include:
an electrical lost motion device according to any of the above;
the emergency brake valve is respectively connected with the brake air storage cylinder and the pre-control pressure outlet through pipelines;
the weighing valve is connected with the emergency brake valve through a pipeline;
an averaging valve connected by a conduit to a weighing valve, the averaging valve in communication with an air spring pressure inlet;
and the relay valve is respectively connected with the weighing valve, the brake air storage cylinder and the brake cylinder through pipelines, and a brake cylinder pressure sensor for detecting the pressure of the brake cylinder is arranged on the pipeline between the brake cylinder and the relay valve.
Preferably, the brake system further comprises a remote relief valve arranged on a pipeline between the brake cylinder and the brake cylinder pressure sensor, wherein the remote relief valve is used for cutting off the pilot control pressure from the relay valve and exhausting the pilot control pressure to the atmosphere. The remote relieving function can be realized when the train fails by arranging the remote relieving valve, the remote relieving valve is arranged on a pipeline behind the relay valve, the influence of the fault states of the parts such as the additional relay valve, the weighing valve, the emergency brake valve and the like on the pipeline is avoided, the pressure of the brake cylinder is exhausted, and the aim of guiding safety can be realized when the train fails.
Preferably, the brake system further comprises a remote release pressure sensor arranged on the pipeline between the remote release valve and the brake cylinder. Through setting up long-range pressure sensor of alleviating, whether detection of whether check cylinder pressure accomplishes the evacuation confirms when alleviating long-range.
Preferably, the test device further comprises a test interface capable of being connected with a matched plug, and the test interface is arranged on a pipeline between the weighing valve and the averaging valve.
Preferably, the test interface is matched with a matched plug to realize pressure detection on an air path and utilize the matched plug to convey the simulated air spring pressure to the weighing valve. When the matched plug is inserted into the test interface, compressed air on the air path can be led out to test the pressure; when the mating plug is inserted into a deeper position of the test interface, the connection between the averaging valve and the weighing valve is cut off, and the simulated air spring pressure can be conveyed to the weighing valve through the mating plug.
Preferably, an air spring pressure sensor for detecting the air spring pressure is arranged at the air spring pressure inlet.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. the utility model provides an electricity idling conversion equipment through corresponding first flow control valve and the second flow control valve of setting up before inflation solenoid valve and exhaust solenoid valve, has restricted the compressed air flow when the solenoid valve is opened and is closed in every action, makes things convenient for the solenoid valve to carry out accurate pressure regulating, weakens the fluctuation of wind pressure when the pressure regulating simultaneously, is convenient for improve the precision of preliminary control pressure;
2. the utility model provides an electricity changes device idling through relief pressure valve and filter, has reduced the wind pressure of acting on each valve body, has filtered the impurity in the device, has played the guard action to each valve body in the device, has reduced the fault rate that changes device idling of electricity, has improved the life that changes device idling of electricity.
3. The utility model provides an electricity idling device has reduced the noise when exhaust solenoid valve exhausts through setting up the exhaust amortization is stifled.
4. The utility model provides a rail vehicle braking control device through with long-range release valve design after relay valve and checking cylinder pressure sensor, can thoroughly alleviate the trouble to the braking and alleviate, can realize the safe purpose of direction when making the train trouble.
5. The utility model provides a rail vehicle braking control device increases long-range pressure sensor of alleviating behind the valve is alleviated in the long-range, both formed the redundant control effect to checking cylinder pressure monitoring with checking cylinder pressure sensor, can confirm whether can empty checking cylinder pressure after long-range valve that alleviates is electrified simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a gas circuit schematic diagram of the electric idle conversion device of the present invention;
fig. 2 is a schematic structural diagram of the rail vehicle brake control device of the present invention;
fig. 3 is the gas circuit schematic diagram of the rail vehicle brake control device of the present invention.
Wherein: 1. an electric idle conversion device; 1.1, a pressure reducing valve; 1.2, measuring a pressure point; 1.3, a filter; 1.4, a first flow control valve; 1.5, an inflation electromagnetic valve; 1.6, a second flow control valve; 1.7, an exhaust electromagnetic valve; 1.8, exhausting, silencing and blocking; 1.9, pre-controlling a pressure outlet; 2. braking the air storage cylinder; 3. an emergency brake valve; 4. a weighing valve; 5. a averaging valve; 6. an air spring pressure inlet; 7. a relay valve; 8. a brake cylinder; 9. a brake cylinder pressure sensor; 10. a remote relief valve; 11. a remote stress relief sensor; 12. a test interface; 13. an air spring pressure sensor; 14. a first pre-control pressure measuring point; 15. a second pre-control pressure measurement point; 16. a third pre-control pressure measuring point; 17. a pre-control pressure sensor; 18. an integration panel; 19. and (7) installing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some, not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For better understanding of the above technical solutions, the following detailed descriptions are provided with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the present invention provides an electric idle conversion device 1, which includes a first flow control valve 1.4, an inflation solenoid valve 1.5, a second flow control valve 1.6 and an exhaust solenoid valve 1.7 connected in series in sequence through a pipeline; the first flow control valve 1.4 is connected with an air outlet of the braking air storage cylinder 2 through a pipeline, and a pre-control pressure outlet 1.9 connected to a brake pipe is arranged on the pipeline between the inflation electromagnetic valve 1.5 and the second flow control valve 1.6; the exhaust port of the exhaust electromagnetic valve 1.7 is communicated with the atmosphere; the electric idle device 1 further comprises a pressure reducing valve 1.1, a filter 1.3 and an exhaust silencing plug 1.8, wherein the pressure reducing valve 1.1 is arranged on a pipeline between the brake air storage cylinder 2 and the first flow control valve 1.4; the filter 1.3 is arranged at the air outlet of the braking air storage cylinder 2, and the exhaust silencing plug 1.8 is arranged on the exhaust port of the exhaust electromagnetic valve 1.7; further, the pressure measuring device further comprises a pressure measuring point 1.2 which is arranged behind the pressure reducing valve 1.1 and used for detecting the pressure of the pressure reducing valve 1.1 after pressure reduction.
Specifically, with continued reference to fig. 1, for example, when the rail vehicle normally operates, an air source with a pressure of 900kpa enters the electric idle device 1 through the main air inlet, and the train is in a brake applying state, a brake releasing state or a non-brake state. In a brake applying state, when a brake control device receives a brake instruction, the inflation solenoid valve 1.5 is powered on and conducted, a wind source enters the pre-control pressure outlet 1.9 through the pressure reducing valve 1.1, the filter 1.3, the first flow control valve 1.4 and the inflation solenoid valve 1.5, and the exhaust solenoid valve 1.7 is powered on and cut off at the same time, so that the wind source leading to the pre-control pressure outlet 1.9 is cut off from an exhaust port, the wind source pressure at the pre-control pressure outlet 1.9 is ensured to meet the brake pressure requirement, and the train brake force is ensured.
In a non-braking state or a braking relieving state: when the brake control unit does not receive a brake instruction or receives a brake relieving instruction, the inflation solenoid valve 1.5 is cut off when power is lost, the air source runs to the air inlet of the inflation solenoid valve 1.5 through the pressure reducing valve 1.1, the filter 1.3 and the first flow filter 1.3 and is cut off by the inflation solenoid valve 1.5, meanwhile, the exhaust solenoid valve 1.7 is turned on when power is lost, the air source at the pre-control pressure outlet 1.9 is exhausted to the atmosphere through the second flow control valve 1.6 and the exhaust port of the exhaust solenoid valve 1.7, the pressure value of the pre-control pressure is 0 at the moment, and the train has no brake force.
In the embodiment, the first flow control valve 1.4 and the second flow control valve 1.6 are arranged, so that the flow of compressed air when the inflation electromagnetic valve 1.5 and the exhaust electromagnetic valve 1.7 are opened and closed each time is limited, accurate pressure regulation is facilitated, meanwhile, the fluctuation of air pressure during pressure regulation is weakened, the precision of brake pre-control pressure is improved, the pressure of a brake cylinder is applied more smoothly, the impact limiting function is realized, and the comfort level of passengers is improved; meanwhile, the pressure of the air inlet of the first flow control valve 1.4 and the pressure of the air inlet of the inflation solenoid valve 1.5 are adjusted by arranging the pressure reducing valve 1.1, so that the long-term fatigue strength of the air inlet pressure to the air inlet pressure is reduced, and the service life of the valve body is prolonged; the filter 1.3 filters the compressed air output by the braking air storage cylinder 2, so that the phenomenon that each valve body in the electric idle device 1 is clamped or aged quickly due to impurity friction is avoided, and the service life of the device is prolonged; the exhaust silencing plug 1.8 reduces noise caused by rapid exhaust of the exhaust electromagnetic valve 1.7 in the braking process while realizing the basic exhaust function.
The utility model also provides a rail vehicle braking control device, refer to fig. 2 ~ 3, braking control device includes:
the above-described electric idle conversion device 1;
the emergency brake valve 3 is respectively connected with the brake air storage cylinder 2 and the pre-control pressure outlet 1.9 through pipelines;
the weighing valve 4 is connected with the emergency brake valve 3 through a pipeline;
the averaging valve 5 is connected to the weighing valve 4 through a pipeline, the averaging valve 5 is communicated with an air spring pressure inlet 6, and an air spring pressure sensor 13 for detecting the pressure of an air spring is arranged at the air spring pressure inlet 6;
and a relay valve 7 connected to the weighing valve 4, the brake reservoir 2, and the brake cylinder 8 through pipes, respectively, wherein a brake cylinder pressure sensor 9 for detecting the pressure of the brake cylinder 8 is provided on a pipe between the brake cylinder 8 and the relay valve 7. Specifically, an air spring pressure inlet 6 is connected to an averaging valve 5, air spring pressure is output to the averaging valve 5, and is output to a weighing valve 4 after being averaged by the averaging valve 5; the weighing valve 4 regulates the limit value of the pilot pressure supplied to the relay valve 7 as a function of the supplied air spring pressure.
During service braking, the brake control device converts compressed air from the brake air storage cylinder 2 into pre-control pressure corresponding to an electric signal through the electric idle device 1 according to the electric signal transmitted by the microcomputer brake control unit, then the pre-control pressure reaches the weighing valve 4 through the emergency brake valve 3, is regulated and limited by the weighing valve 4 and then is output to act on the relay valve 7, so that the relay valve 7 opens a connecting passage between the brake air storage cylinder 2 and the brake cylinder 8, and therefore brake cylinder pressure meeting requirements is output, and the brake cylinder 8 acts according to the brake cylinder pressure to control a vehicle to generate corresponding braking force.
During emergency braking, the microcomputer brake control unit sends an emergency brake instruction, the brake control device controls the charging solenoid valve 1.5 of the electric idle device 1 to be cut off in a power-off mode, compressed air from the brake air storage cylinder 2 cannot pass through the charging solenoid valve 1.5 but reaches the weighing valve 4 through the regulation and control of the emergency brake valve 3, the weighing valve 4 outputs corresponding emergency pre-control pressure according to the received vehicle load pressure from the averaging valve 5, the emergency pre-control pressure output from the weighing valve 4 is sent to the relay valve 7, a diaphragm plate inside the relay valve 7 drives a piston to act, a connecting passage between the brake air storage cylinder 2 and the brake cylinder 8 in the relay valve 7 is opened, and therefore brake cylinder pressure meeting requirements is output.
When the brake is released, when the microcomputer brake control unit sends a releasing instruction, the brake control device controls the charging electromagnetic valve 1.5 of the electric idling device 1 to be powered off and cut off, the exhaust electromagnetic valve 1.7 is powered off and switched on, and the pre-control pressure in the relay valve 7 is discharged to the atmosphere through the weighing valve 4, the emergency brake valve 3 and the exhaust electromagnetic valve 1.7. When the pre-control pressure in the relay valve 7 is exhausted, the diaphragm plate in the relay valve 7 drives the piston to reset, the passage between the brake air storage cylinder 2 and the brake cylinder 8 is cut off, the passage between the brake cylinder 8 and the atmosphere is opened, the brake cylinder pressure in the brake cylinder 8 is exhausted to the atmosphere, the brake cylinder pressure gradually becomes 0, and the braking of the vehicle is relieved.
Further, the brake control apparatus further includes a remote relief valve 10 provided on a pipe between the brake cylinder 8 and the brake cylinder pressure sensor 9, and the remote relief valve 10 is configured to cut off the pilot pressure from the relay valve 7 and exhaust it to the atmosphere.
During service braking or emergency braking, the electric idling device 1 or the emergency brake valve 3 supplies pilot pressure to the relay valve 7, and if the pilot pressure cannot be discharged through the exhaust electromagnetic valve 1.7 of the electric idling device 1, braking relief is performed. At this time, the microcomputer brake control unit issues a remote release command to control the remote release valve 10 to be electrically conducted, the pilot pressure from the relay valve 7 is cut off, the pressure to the brake cylinder 8 is exhausted to the atmosphere, the pilot pressure is exhausted, meanwhile, a passage between the brake cylinder 8 and the atmosphere is opened, the brake cylinder pressure in the brake cylinder 8 is exhausted to the atmosphere, the brake cylinder pressure becomes 0, and remote release of vehicle braking is achieved. The remote relieving valve 10 can be arranged to relieve remotely under the condition that the brake is not relieved due to the fault of one or more valves on the brake control device, and the remote relieving valve 10 is arranged on a pipeline behind the relay valve 7, so that the pressure of a brake cylinder is exhausted without being limited by the influence of the fault states of the parts such as the relay valve 7, the weighing valve 4, the emergency brake valve 3 and the like on the pipeline, and the aim of guiding safety can be fulfilled when the train is in fault.
In the above embodiment, the brake control apparatus further comprises a remote release pressure sensor 11, the remote release pressure sensor 11 being arranged on the line between the remote release valve 10 and the brake cylinder 8. In this embodiment, when the brake is applied and the damping is normal, the brake cylinder pressure sensor 9 between the relay valve 7 and the remote damping valve 10 and the remote damping pressure sensor 11 behind the remote damping valve 10 can implement redundant control of the brake cylinder pressure detection. In addition, when the brake cannot be normally relieved, a remote relieving function is implemented, the remote relieving valve 10 is powered on to act, and the remote relieving pressure sensor 11 can detect and confirm whether the brake cylinder pressure is exhausted or not.
Further, in the above embodiment, the brake control device further includes a test interface 12 capable of connecting a mating plug, where the test interface 12 is disposed on a pipeline between the weighing valve 4 and the averaging valve 5; the test interface 12 is matched with a matched plug to realize pressure detection on an air path and utilize the test interface 12 to convey the simulated air spring pressure to the weighing valve 4. Specifically, in this embodiment, when the mating plug is partially inserted into the test interface 12, the test interface 12 is the same as the common test interface, and the compressed air on the air path can be led out through the mating plug to test the pressure; when the mating plug is inserted into a deeper position of the test interface 12, the test interface 12 has a simulation weight measuring function, the mating plug is inserted into the deeper position of the test interface 12 to cut off the connection between the averaging valve 5 and the weighing valve 4, and compressed air with an automatically defined numerical value can be conveyed to the weighing valve 4 through the mating plug to simulate the pressure of an air spring, simulate the load pressure of a vehicle in an unrealistic state, and further manually adjust the pre-control pressure limit value of the weighing valve 4.
Further, in the above embodiment, the brake control device includes a plurality of pilot pressure measuring points for manually checking the magnitude of the pilot pressure, including a first pilot pressure measuring point 14 disposed between the weighing valve 4 and the averaging valve 5, a second pilot pressure measuring point 15 disposed between the weighing valve 4 and the relay valve 7, and a third pilot pressure measuring point 16 disposed between the emergency brake valve 3 and the weighing valve 4, and a pilot pressure sensor 17 is disposed at the third pilot pressure measuring point 16 for displaying the pilot pressure at the measuring point. In this embodiment, the electric idle conversion device 1, the emergency brake valve 3, the weighing valve 4, the averaging valve 5, the relay valve 7, the remote relief valve 10, the remote relief pressure sensor 11, the brake cylinder pressure sensor 9 and other components are all mounted on an integrated panel 18, the integrated panel 18 is a rectangular structure, and four corners of the integrated panel are provided with mounting holes 19 for fastening and connecting the integrated panel with a bracket below a vehicle body or a passenger seat through bolts.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The electric idle device is characterized by comprising a first flow control valve, an inflation electromagnetic valve, a second flow control valve and an exhaust electromagnetic valve which are sequentially connected in series through pipelines; the first flow control valve is connected with an air outlet of the braking air storage cylinder through a pipeline, and a pre-control pressure outlet connected to a brake pipe is arranged on the pipeline between the inflation electromagnetic valve and the second flow control valve; and an exhaust port of the exhaust electromagnetic valve is communicated with the atmosphere.
2. The electrical lost motion apparatus of claim 1 further comprising a pressure relief valve disposed in the conduit between the brake reservoir and the first flow control valve.
3. An electrical idle device as claimed in claim 1 or 2 further comprising a filter disposed at the air outlet of the brake reservoir.
4. The electric idle device of claim 1 further comprising an exhaust noise damper mounted on an exhaust port of an exhaust solenoid valve.
5. Railway vehicle brake control device characterized by, includes:
an electrical lost motion device as claimed in any one of claims 1 to 4;
the emergency brake valve is respectively connected with the brake air storage cylinder and the pre-control pressure outlet through pipelines;
the weighing valve is connected with the emergency brake valve through a pipeline;
an averaging valve connected by a conduit to a weighing valve, the averaging valve in communication with an air spring pressure inlet;
and the relay valve is respectively connected with the weighing valve, the brake air storage cylinder and the brake cylinder through pipelines, and a brake cylinder pressure sensor for detecting the pressure of the brake cylinder is arranged on the pipeline between the brake cylinder and the relay valve.
6. The rail vehicle brake control device of claim 5, wherein an air spring pressure sensor is provided at the air spring pressure inlet for sensing air spring pressure.
7. The rail vehicle brake control device of claim 5, further comprising a remote relief valve disposed on a conduit between the brake cylinder and the brake cylinder pressure sensor, the remote relief valve being configured to intercept the pilot pressure from the relay valve and vent it to atmosphere.
8. The rail vehicle brake control device of claim 7, further comprising a remote release pressure sensor disposed on the line between the remote release valve and the brake cylinder.
9. The rail vehicle brake control device of claim 5, further comprising a test interface capable of connecting a mating plug, the test interface disposed on a conduit between the weigh valve and the averaging valve.
10. The rail vehicle brake control device of claim 9, wherein the test interface cooperates with a mating plug to enable pressure detection on the pneumatic circuit and to deliver the simulated air spring pressure to the weigh valve using the mating plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358986.5U CN214267619U (en) | 2021-02-07 | 2021-02-07 | Electric idling device and rail vehicle brake control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120358986.5U CN214267619U (en) | 2021-02-07 | 2021-02-07 | Electric idling device and rail vehicle brake control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214267619U true CN214267619U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120358986.5U Active CN214267619U (en) | 2021-02-07 | 2021-02-07 | Electric idling device and rail vehicle brake control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214267619U (en) |
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2021
- 2021-02-07 CN CN202120358986.5U patent/CN214267619U/en active Active
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