CN211918639U - Load adjusting module and train brake control system - Google Patents
Load adjusting module and train brake control system Download PDFInfo
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- CN211918639U CN211918639U CN202020564521.0U CN202020564521U CN211918639U CN 211918639 U CN211918639 U CN 211918639U CN 202020564521 U CN202020564521 U CN 202020564521U CN 211918639 U CN211918639 U CN 211918639U
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Abstract
The utility model provides a load adjustment module and train brake control system, load adjustment module includes: the emergency pre-control system comprises a common pre-control branch, an emergency pre-control branch and a first emergency electromagnetic valve; a pre-control air inlet at the air inlet end of the common pre-control branch is connected to a common pre-control air inlet of the brake control device, and a pre-control air outlet at the air outlet end is connected to the common pre-control volume chamber; an emergency air inlet of an air inlet end of the emergency pre-control branch is connected to an emergency pre-control air inlet of the brake control device, and an emergency air outlet of an air outlet end is connected to the emergency pre-control volume chamber; the air outlet end of the common pre-control branch is connected to a first working port of the first emergency electromagnetic valve, the air outlet end of the emergency pre-control branch is connected to a second working port of the first emergency electromagnetic valve, and the output of a third working port of the first emergency electromagnetic valve is connected to the brake cylinder. The load adjusting module can be applied to a train brake control system, and integrates common brake and emergency brake, so that the structure of the system is simplified, and the integration level and the reliability of the structure are improved.
Description
Technical Field
The utility model relates to a train braking technical field, concretely relates to vehicle braking load adjustment module and train braking control system.
Background
The high-speed motor train units, the urban rail transit vehicles and most of freight vehicles require that the braking force of a braking system can be automatically adjusted according to loads and the like, and require that an emergency valve has high reliability and short response time. At present, the automatic adjustment of the braking force is mainly realized by a mechanical empty and heavy vehicle valve or a double-electromagnetic valve mode, the mechanical empty and heavy vehicle valve has the defects of poor precision, easy clamping stagnation and the like, the double-electromagnetic valve mode has the defects of low reliability and the like, and the two modes can only output single pre-control pressure. The emergency braking function of the existing braking system needs to be realized by an independent emergency valve, and the emergency braking system is matched with an automatic braking force adjusting device for use, so that the occupied space is large, the gas circuit arrangement is complex, and the maintenance and troubleshooting are difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a load adjustment module with service brake, emergency braking function integrated design to provide a train braking control system based on this adjustment module.
In order to achieve the above object, the utility model adopts the following technical scheme:
some embodiments of the utility model first provide a load adjustment module, be connected with braking controlling means for adjust braking load, include: the emergency pre-control system comprises a common pre-control branch, an emergency pre-control branch and a first emergency electromagnetic valve;
a pre-control air inlet at the air inlet end of the common pre-control branch is connected to a common pre-control air inlet of the brake control device, and a pre-control air outlet at the air outlet end is connected to the common pre-control volume chamber;
an emergency air inlet of an air inlet end of the emergency pre-control branch is connected to an emergency pre-control air inlet of the brake control device, and an emergency air outlet of an air outlet end is connected to the emergency pre-control volume chamber;
the air outlet end of the common pre-control branch is connected to a first working port of the first emergency electromagnetic valve, the air outlet end of the emergency pre-control branch is connected to a second working port of the first emergency electromagnetic valve, and the output of a third working port of the first emergency electromagnetic valve is connected to the brake cylinder.
In some embodiments of the present invention, the load adjusting module further includes a second emergency solenoid valve, a first working port of the second emergency solenoid valve is connected to an air inlet of the emergency pre-control branch, and a second working port of the second emergency solenoid valve is connected to a control end of the first emergency solenoid valve for controlling the first emergency solenoid valve to be powered on or powered off; the control end of the second emergency electromagnetic valve is connected with a train safety loop, and when the safety loop is normally powered on, the second emergency electromagnetic valve is powered on to control the first emergency electromagnetic valve to output common pre-control pressure; when the safety loop is disconnected, the second emergency electromagnetic valve is powered off, and the first emergency electromagnetic valve is controlled to output emergency pre-control pressure.
The utility model discloses in some embodiments, be provided with commonly used precontrol pressurize solenoid valve and commonly used precontrol alleviating solenoid valve on the precontrol branch road commonly used: a first working port of the common pilot-controlled pressure maintaining electromagnetic valve is connected to a pilot-controlled air inlet of the common pilot-controlled branch, and a second working port of the common pilot-controlled pressure maintaining electromagnetic valve is connected to a first working port of the common pilot-controlled relieving electromagnetic valve; and a second working port of the common pre-control relieving electromagnetic valve is connected to a pre-control air outlet end, and a third working port is communicated with the atmosphere.
The utility model discloses in some embodiments, it alleviates the solenoid valve to further be provided with long-rangely on the accuse branch road in advance, the third working port of solenoid valve is alleviated in long-rangely is connected with the second working port of alleviating the solenoid valve in advance to control, and second working port is connected to the end of giving vent to anger of accuse branch road in advance commonly used, first working port and atmosphere intercommunication.
The utility model discloses in some embodiments, be provided with first urgent precontrol pressurize solenoid valve on the urgent precontrol branch road, the third working port of first urgent precontrol pressurize solenoid valve is connected to the income gas end of urgent precontrol branch road, and the second working port is connected to the end of giving vent to anger of urgent precontrol branch road.
The utility model discloses in some embodiments, further be provided with the urgent accuse pressurize solenoid valve of second on the urgent pre-control branch road, the first work port of the urgent accuse pressurize solenoid valve of second is connected to the second work port of the urgent accuse pressurize solenoid valve of pre-control, and the second work port communicates with each other with the atmosphere.
The utility model discloses in some embodiments, the solenoid valve is alleviated with the accuse in advance often to the accuse pressurize solenoid valve commonly used and the accuse is connected with brake control device, controls it through brake control device and gets electric or loses the electricity.
The utility model discloses some embodiments, first urgent precontrol pressurize solenoid valve and the urgent precontrol pressurize solenoid valve of second are connected with brake control device, control it through brake control device and get electric or lose the electricity.
In some embodiments of the present invention, the load adjustment module further comprises:
the first sensor is connected to the common pre-control volume chamber and used for collecting the pressure of the common pre-control volume chamber;
the second sensor is connected to the emergency pre-control volume chamber and used for acquiring the pressure of the emergency pre-control volume chamber;
the third sensor is connected to the brake cylinder and used for collecting the pressure of the brake cylinder;
the brake control device is respectively connected with the first sensor, the second sensor and the third sensor.
In some embodiments of the present invention, there is further provided a train brake control system, including the above load adjusting module.
Compared with the prior art, the utility model provides a load adjustment module and train control system's beneficial effect lies in: the integrated design of the service brake and the emergency brake simplifies the structure of a load adjusting system in the prior art and improves the integration level of the structure. The load adjusting module is designed by adopting a gas path principle based on safe guiding, the emergency braking response speed is high, the emergency pre-control branch and the common pre-control branch are redundant, and the reliability is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a structural diagram of a load adjusting module of the present invention;
in the above drawings:
1-a common pre-control branch, 101-a gas inlet end of the common pre-control branch, and 102-a gas outlet end of the common pre-control branch;
2-emergency pre-control branch, 201-inlet end of emergency pre-control branch, 202-outlet end of emergency pre-control branch;
3-a first emergency solenoid valve;
4-a second emergency solenoid valve;
5-common pre-control pressure maintaining electromagnetic valve;
6-common pre-control relief electromagnetic valve;
7-a first emergency pre-control pressure maintaining electromagnetic valve;
8-a second emergency pre-control pressure maintaining electromagnetic valve;
9-a first sensor;
10-a second sensor;
11-a third sensor;
12-remote mitigation solenoid valve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "disposed on," "connected to," or "electrically connected to" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not intended to imply relative importance.
Some embodiments of the utility model first provide a load adjustment module, be connected with braking controlling means for adjust braking load, include: the system comprises a common pre-control branch 1, an emergency pre-control branch 2 and a first emergency electromagnetic valve 3;
a pre-control air inlet of an air inlet end 101 of the common pre-control branch is connected to a common pre-control air inlet of the brake control device, and a pre-control air outlet of an air outlet end 102 is connected to the common pre-control volume chamber;
an emergency air inlet of an air inlet end 201 of the emergency pre-control branch is connected to an emergency pre-control air inlet of the brake control device, and an emergency air outlet of an air outlet end 202 is connected to the emergency pre-control volume chamber;
the common pre-control branch air outlet 102 is connected to a first working port of the first emergency solenoid valve 3, the emergency pre-control branch air outlet 202 is connected to a second working port of the first emergency solenoid valve 3, and a third working port output of the first emergency solenoid valve 3 is connected to a brake cylinder. The first emergency solenoid valve 3 is a two-position three-way solenoid valve.
The utility model provides a load adjustment module has integrated service brake and emergency braking's control, can control output emergency brake pressure or service brake pressure through the power on and the power off of controlling first emergency solenoid valve 3.
In some embodiments of the present invention, the control of the first emergency solenoid valve 3 may be implemented as follows. The load adjusting module further comprises a second emergency electromagnetic valve 4, wherein a first working port of the second emergency electromagnetic valve 4 is connected to the gas inlet end 201 of the emergency pre-control branch, and a second working port is connected to the control end of the first emergency electromagnetic valve 3 and used for controlling the first emergency electromagnetic valve 3 to be powered on or powered off; the control end of the second emergency electromagnetic valve 4 is connected with a train safety circuit, when the safety circuit is normally powered, the second emergency electromagnetic valve 4 is powered on, the first emergency electromagnetic valve 3 is controlled to be connected into an air path between the common pilot control branch and the brake cylinder to be communicated, and common pilot control pressure is output to the brake cylinder; when the safety loop is disconnected, the second emergency electromagnetic valve 4 is de-energized, the first emergency electromagnetic valve 3 is controlled to be connected into the air path between the emergency pre-control branch and the brake cylinder to be connected, and the emergency pre-control pressure is output. When the second emergency solenoid valve 4 has a mechanical failure, there can be at least one input no matter where the valve core of the first emergency solenoid valve 3 is located, so that the first emergency solenoid valve 3 always has an output. This design improves the safety of the load module.
In some embodiments of the present invention, the structure of the common pilot branch 1 adopts the following form. The common pilot control branch 1 is provided with a common pilot control pressure maintaining electromagnetic valve 5 and a common pilot control relieving electromagnetic valve 6: a first working port of the pre-control pressure maintaining electromagnetic valve 5 is connected to a pre-control air inlet 101 of the common pre-control branch 1, and a second working port of the pre-control pressure maintaining electromagnetic valve is connected to a first working port of the common pre-control relieving electromagnetic valve 6; and a second working port of the common pre-control relieving electromagnetic valve 6 is connected to a pre-control air outlet end, and a third working port is communicated with the atmosphere.
The utility model discloses in some embodiments, it further is provided with long-range solenoid valve 12 of alleviating on the accuse branch road in advance, long-range third working port of alleviating solenoid valve 12 is connected with the second working port of alleviating solenoid valve 6 with the accuse in advance commonly used, and second working port is connected to the end 102 of giving vent to anger of the accuse branch road in advance commonly used, first working port and atmosphere intercommunication. The remote relieving electromagnetic valve 12 can be controlled by the remote control end, so that the load adjusting module can relieve remotely. When the train has a brake non-release fault, the brake cylinder pressure can be released by electrifying the remote release solenoid valve 12.
In some embodiments of the present invention, the structure of the emergency pilot control branch 2 takes the following form. The emergency pre-control branch 2 is provided with a first emergency pre-control pressure maintaining electromagnetic valve 7, a third working port of the first emergency pre-control pressure maintaining electromagnetic valve 7 is connected to an air inlet end of the emergency pre-control branch, and a second working port is connected to an air outlet end of the emergency pre-control branch.
The utility model discloses in some embodiments, further be provided with the urgent accuse pressurize solenoid valve of second on urgent precontrol branch road 2, the first work port of the urgent accuse pressurize solenoid valve of second is connected to the second work port of the urgent accuse pressurize solenoid valve of precontrol, and the second work port communicates with each other with the atmosphere.
The utility model discloses in some embodiments, solenoid valve 6 is alleviated with the accuse in advance often to the accuse pressurize solenoid valve 5 commonly used and the accuse is connected with brake control device, controls it through brake control device and gets electric or loses the electricity, and then the pressure value of steerable accuse branch road 1 output commonly used in advance.
The utility model discloses in some embodiments, first urgent precontrol pressurize solenoid valve 7 and the urgent precontrol pressurize solenoid valve 8 of second are connected with brake control device, control it through brake control device and get electric or lose the electricity, and then the pressure value of steerable urgent precontrol branch 2 output.
In some embodiments of the present invention, the load adjustment module further comprises:
the first sensor 9 is connected to the common pre-control volume chamber and used for collecting the pressure of the common pre-control volume chamber;
a second sensor 10 connected to the emergency pre-controlled volume chamber for acquiring the emergency pre-controlled volume chamber pressure;
a third sensor 11 connected to the brake cylinder for collecting the brake cylinder pressure;
the brake control device is connected to a first sensor 9, a second sensor 10 and a third sensor 11, respectively.
In some embodiments of the present invention, there is further provided a train brake control system, including the above load adjusting module.
The load leveling module is based on a safety pilot design, as shown in fig. 1 for all solenoid valves in a de-energized state. Under the condition of power failure of the vehicle or the fault state of the individual solenoid valve, the common pilot control branch 1 is guided to relieve, the common pilot control pressure is 0, and the condition that the brake of the vehicle is not relieved due to the fault of the individual common pilot control solenoid valve is avoided; the emergency pre-control branch 2 guides the braking, and the remote release solenoid valve 12 can only release the service braking and can not release the emergency braking, so that the loss of the emergency braking force of the vehicle caused by the failure of the individual emergency pre-control solenoid valve is avoided.
Furthermore, a pressure reducing valve air path interface can be reserved at the air inlet end 101 of the common pilot control branch and the air inlet end 102 of the emergency pilot control branch, so that a pressure reducing valve can be added, and the maximum value of the pilot control pressure output by the load adjusting module is limited, thereby protecting downstream equipment. Based on the safety design, the emergency pre-control pressure is output to be matched with the target value through the method of exhausting the pressure of the emergency pre-control branch, so that the response speed of emergency braking is improved. The reliability is further improved.
The load adjusting module has an emergency solenoid valve fault diagnosis function, a certain difference value exists between the common pilot control pressure and a target value of the emergency pilot control pressure in the braking process, according to the braking state (common braking or emergency braking) at the moment, the third sensor HRS11 is compared with the first sensor 9 and the second sensor 8, so that whether the state of the second emergency solenoid valve 4 is normal or not is judged, if the second emergency solenoid valve 4 breaks down and loses the function of pilot control pressure selection output, the function of the common pilot control branch 1 and the function of the emergency pilot control branch 2 are borne by the pilot control branch capable of outputting, and therefore reliability is further improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A load leveling module, coupled to a brake control device, for adjusting a braking load, comprising: the emergency pre-control system comprises a common pre-control branch, an emergency pre-control branch and a first emergency electromagnetic valve;
a pre-control air inlet at the air inlet end of the common pre-control branch is connected to a common pre-control air inlet of the brake control device, and a pre-control air outlet at the air outlet end is connected to the common pre-control volume chamber;
an emergency air inlet of an air inlet end of the emergency pre-control branch is connected to an emergency pre-control air inlet of the brake control device, and an emergency air outlet of an air outlet end is connected to the emergency pre-control volume chamber;
the air outlet end of the common pre-control branch is connected to a first working port of the first emergency electromagnetic valve, the air outlet end of the emergency pre-control branch is connected to a second working port of the first emergency electromagnetic valve, and the output of a third working port of the first emergency electromagnetic valve is connected to the brake cylinder.
2. The load regulation module of claim 1, further comprising a second emergency solenoid valve having a first working port connected to the inlet of the emergency pilot branch and a second working port connected to the control of the first emergency solenoid valve for controlling power on or power off of the first emergency solenoid valve; the control end of the second emergency electromagnetic valve is connected with a train safety loop, and when the safety loop is normally powered on, the second emergency electromagnetic valve is powered on to control the first emergency electromagnetic valve to output common pre-control pressure; when the safety loop is disconnected, the second emergency electromagnetic valve is powered off, and the first emergency electromagnetic valve is controlled to output emergency pre-control pressure.
3. The load adjustment module of claim 1, wherein the common pilot branch is provided with a common pilot pressure maintaining solenoid valve and a common pilot release solenoid valve: a first working port of the common pilot-controlled pressure maintaining electromagnetic valve is connected to a pilot-controlled air inlet of the common pilot-controlled branch, and a second working port of the common pilot-controlled pressure maintaining electromagnetic valve is connected to a first working port of the common pilot-controlled relieving electromagnetic valve; and a second working port of the common pre-control relieving electromagnetic valve is connected to a pre-control air outlet end, and a third working port is communicated with the atmosphere.
4. The load adjustment module according to claim 3, wherein the pre-control branch is further provided with a remote release solenoid valve, a third working port of the remote release solenoid valve is connected with a second working port of the pre-control release solenoid valve, the second working port is connected to an air outlet end of the common pre-control branch, and the first working port is communicated with the atmosphere.
5. The load adjustment module according to claim 1, wherein a first emergency pre-control pressure maintaining solenoid valve is disposed on the emergency pre-control branch, a third working port of the first emergency pre-control pressure maintaining solenoid valve is connected to an air inlet end of the emergency pre-control branch, and a second working port of the first emergency pre-control pressure maintaining solenoid valve is connected to an air outlet end of the emergency pre-control branch.
6. The load leveling module of claim 5, wherein the emergency pilot branch is further provided with a second emergency pilot pressure maintaining solenoid valve, a first working port of the second emergency pilot pressure maintaining solenoid valve is connected to a second working port of the first emergency pilot pressure maintaining solenoid valve, and the second working port is open to the atmosphere.
7. The load regulation module of claim 3, wherein the pre-control-used pressure-maintaining solenoid valve and the pre-control-used release solenoid valve are connected to a brake control device, and are controlled to be powered on or powered off by the brake control device.
8. The load regulation module of claim 5, wherein the first and second emergency pre-controlled dwell solenoid valves are connected to a brake control device, and are controlled to be energized or de-energized by the brake control device.
9. The load adjustment module according to any one of claims 7 or 8, further comprising:
the first sensor is connected to the common pre-control volume chamber and used for collecting the pressure of the common pre-control volume chamber;
the second sensor is connected to the emergency pre-control volume chamber and used for acquiring the pressure of the emergency pre-control volume chamber;
the third sensor is connected to the brake cylinder and used for collecting the pressure of the brake cylinder;
the brake control device is respectively connected with the first sensor, the second sensor and the third sensor.
10. A train brake control system comprising a load leveling module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020564521.0U CN211918639U (en) | 2020-04-16 | 2020-04-16 | Load adjusting module and train brake control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020564521.0U CN211918639U (en) | 2020-04-16 | 2020-04-16 | Load adjusting module and train brake control system |
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| CN211918639U true CN211918639U (en) | 2020-11-13 |
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| CN202020564521.0U Active CN211918639U (en) | 2020-04-16 | 2020-04-16 | Load adjusting module and train brake control system |
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| CN (1) | CN211918639U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246935A (en) * | 2021-07-01 | 2021-08-13 | 青岛思锐科技有限公司 | Frame control pneumatic brake control method and device |
| CN113335243A (en) * | 2021-07-01 | 2021-09-03 | 青岛思锐科技有限公司 | Braking force control method and device |
-
2020
- 2020-04-16 CN CN202020564521.0U patent/CN211918639U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246935A (en) * | 2021-07-01 | 2021-08-13 | 青岛思锐科技有限公司 | Frame control pneumatic brake control method and device |
| CN113335243A (en) * | 2021-07-01 | 2021-09-03 | 青岛思锐科技有限公司 | Braking force control method and device |
| CN113335243B (en) * | 2021-07-01 | 2022-07-01 | 中车制动系统有限公司 | Braking force control method and device |
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