CN114275002A - Control circuit and control method for triggering full-vehicle rapid braking and vehicle - Google Patents
Control circuit and control method for triggering full-vehicle rapid braking and vehicle Download PDFInfo
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- CN114275002A CN114275002A CN202210047960.8A CN202210047960A CN114275002A CN 114275002 A CN114275002 A CN 114275002A CN 202210047960 A CN202210047960 A CN 202210047960A CN 114275002 A CN114275002 A CN 114275002A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention belongs to the technical field of rail transit vehicle brake control, and provides a control circuit and a control method for triggering full-vehicle rapid brake and a vehicle. The control circuit comprises a quick braking instruction line, and two ends of the quick braking instruction line are respectively connected with the main control ends of the two head cars; the switch linkage circuit is connected with the brake control unit; the brake control units are arranged in the bicycles and are connected with the rapid brake command lines; the brake control unit is used for controlling the switch linkage circuit to act to enable the rapid brake command line to be changed into low level when detecting that any one single vehicle parking brake is in an applied state, so that the whole vehicle rapid brake is triggered. The brake can trigger full-row rapid braking after the parking brake of the bicycle is applied, so that the working condition that the brake of the bicycle runs for a long time is avoided, and the safety is improved.
Description
Technical Field
The invention belongs to the technical field of rail transit vehicle braking control, and particularly relates to a control circuit and a control method for triggering full-vehicle rapid braking and a vehicle.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Currently, the mitigation state of the rail vehicle parking brake application is achieved based on whether the current air pressure is sufficient and the closed state of the control pressure switch. For example: under the condition of sufficient air pressure, the parking brake of the railway vehicle is relieved, and the pressure switch is closed; in the event of an insufficient air pressure, the rail vehicle parking brake is applied and the pressure switch is switched off. The quick brake related by the invention is controlled by a command line, and is released at a high level and applied at a low level.
The inventors have found that when the full train braking of a rail vehicle is in the release position, it may happen that the parking brake of the single vehicle is out of air and applied, while the other vehicles are in the brake release or traction state, thus causing the problem of exceeding the thermal capacity of the brake disc of the single vehicle.
Disclosure of Invention
In order to solve the problem that the thermal capacity of a brake disc of a single car exceeds the standard due to the fact that the single car cannot be automatically triggered to brake and park after the single car parking brake is applied by mistake in the prior art, the invention provides a control circuit and a control method for triggering the whole-car rapid braking and a vehicle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a first aspect of the present invention provides a control circuit for triggering a full vehicle quick brake, comprising:
the two ends of the quick braking instruction line are respectively connected with the main control ends of the two head cars;
the switch linkage circuit is connected with the brake control unit;
the brake control units are arranged in the bicycles and are connected with the rapid brake command lines;
the brake control unit is used for controlling the switch linkage circuit to act to enable the rapid brake command line to be changed into low level when detecting that any one single vehicle parking brake is in an applied state, so that the whole vehicle rapid brake is triggered.
A second aspect of the present invention provides a control method for triggering a full-vehicle quick brake, including:
detecting whether each single vehicle parking brake is in an applied state;
when any of the parking brakes is detected to be in the applied state:
and controlling the switch linkage circuit to act so that the rapid braking command line becomes a low level, thereby triggering the rapid braking of the whole vehicle.
A third aspect of the invention provides a vehicle comprising a control circuit as described above for triggering rapid braking throughout the vehicle.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a technology for triggering full-train rapid braking after application of a single-train parking brake, when any single-train parking brake is detected to be in an applied state, a brake control unit controls a switch linkage circuit to act so that a rapid braking instruction line is changed into a low level, and the full-train rapid braking is triggered, so that the problem that the thermal capacity of a single-train brake disc exceeds the standard due to the fact that the full-train braking cannot be automatically triggered to stop after the single-train parking brake is applied by mistake is solved, manual intervention is not needed, the working condition that a single-train band brake runs for a long time is avoided, and the safety of the full-train running is improved.
(2) The switch linkage circuit is composed of a parking brake applying relay and a quick brake applying relay, the control end of the parking brake applying relay is connected with the parking brake pressure switch in series, and the normally open contact of the quick brake applying relay is connected with the quick brake instruction line in series, so that the action linkage of the parking brake pressure switch, the parking brake applying relay and the quick brake applying relay is realized, the whole circuit structure is simple, and the high-efficiency stability of the level change on the quick brake instruction line is improved.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic diagram of a control circuit for triggering the full-vehicle quick brake according to an embodiment of the invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
< control Circuit for triggering Rapid braking of Whole vehicle >
In one or more embodiments, there is provided a control circuit for triggering full vehicle quick braking, comprising: the brake system comprises a quick brake command line, a switch linkage circuit and a brake control unit.
The specific structure of the control circuit for triggering the full-vehicle quick brake according to the embodiment will be described in detail with reference to fig. 1. In fig. 1, MCR: master control terminal activation relay, MCRR: non-master control end activation relay, UBR: quick brake apply relay, PBR: parking brake apply relay, PB: parking brake pressure switch, EBCU: a brake control unit.
(1) And two ends of the rapid braking instruction line are respectively connected with the main control ends of the two head cars.
And the master control end of each head car is respectively connected with a master control end activation relay MCR, when the master control of one head car is put into operation, the master control end activation relay MCR of the corresponding head car is electrified, and the master control end activation relay of the other head car is not electrified.
(2) And the switch linkage circuit is connected with the brake control unit.
In this embodiment, the switch interlock circuit includes:
a control end of the parking brake applying relay PBR is connected with a parking brake pressure switch PB in series, and a normally open contact of the parking brake applying relay PBR is connected with a non-main control line of the whole vehicle in series;
and a control end of the quick brake applying relay UBR is connected with the non-master control line, and a normally open contact of the quick brake applying relay UBR is connected on a quick brake command line in series.
The switch linkage circuit of this embodiment is exerted relay and quick braking by parking braking and is exerted the relay and constitute, will park the control end that the braking was exerted the relay and establish ties with parking braking pressure switch, and the normally open contact that the relay was exerted in quick braking establishes ties on quick braking instruction line, has realized parking braking pressure switch and parking braking and has exerted the action linkage that relay and quick braking exerted the relay, and whole circuit structure is simple, has improved the high efficiency stability of level change on the quick braking instruction line.
Wherein the parking brake application relay PBR is provided in each of the bicycles. The quick brake application relays UBR are provided in the two head cars.
And two ends of the non-main control line are respectively connected with the non-main control ends of the two head cars. And the non-main control end is connected with the non-main control end activation relay MCRR.
For example:
after the main control of the first vehicle 1 is put into operation, the MCR relay of the first vehicle 1 is electrified, and the normally open contact is closed; the MCRR relay of the head vehicle 1 is powered off, and the normally open contact of the MCRR relay is kept open. The MCR relay of the first vehicle 2 is not electrified, the normally open contact of the MCR relay is kept to be disconnected, the MCRR relay of the first vehicle 2 is electrified, and the normally open contact of the MCRR relay is closed.
It is understood that in other embodiments, the switch linkage circuit may be implemented by other structural circuits, and those skilled in the art may specifically select the switch linkage circuit according to actual situations, and the details are not described here.
(3) And the brake control unit EBCU is arranged in each bicycle and is connected with the quick brake command line.
In some embodiments, the brake control unit EBCU is configured to control the switch interlock circuit to operate to change the fast brake command line to a low level to trigger the full fast brake when detecting that either of the parking brakes is in the applied state.
Specifically, the brake control unit EBCU is configured to, when detecting that any one of the parking brakes is in an applied state, control the parking brake pressure switch PB to be turned off, so that the parking brake application relay PBR is de-energized, and its normally open contact remains open, so that the quick brake application relay UBR is de-energized, and its normally open contact is open.
In some other embodiments, the brake control unit EBCU is configured to control the parking brake pressure switch PB to close when detecting that all parking brakes are in a released state, such that all parking brake apply relays PBR are energized, and the normally open contacts thereof are closed, such that the quick brake apply relay UBR is energized, and the normally open contacts thereof are closed, to control the quick brake command line to become high.
< control method for triggering fast braking of whole vehicle >
In one or more embodiments, there is also provided a control method for triggering full vehicle quick braking, comprising:
detecting whether each single vehicle parking brake is in an applied state;
when any of the parking brakes is detected to be in the applied state:
and controlling the switch linkage circuit to act so that the rapid braking command line becomes a low level, thereby triggering the rapid braking of the whole vehicle.
The control circuit for triggering the whole-vehicle quick brake shown in fig. 1 is taken as an example to explain the control principle of triggering the whole-vehicle quick brake in detail:
(1) normal remission condition
After the master control of the head vehicle 1 is put into operation, the master control end of the head vehicle 1 activates the relay MCR to be electrified, and the normally open contact of the relay MCR is closed; the non-master control end of the head vehicle 1 activates the relay MCRR to lose power, and the normally open contact of the relay MCRR is kept open. The main control end activation relay MCR of the head vehicle 2 is not electrified, the normally open contact of the main control end activation relay MCR is kept disconnected, the non-main control end activation relay MCRR of the head vehicle 2 is electrified, and the normally open contact of the non-main control end activation relay MCRR is closed.
When all parking brakes are in the release state, the parking brake pressure switch PB is closed, the parking brake applying relay PBR is electrified, the normally open contact of the parking brake applying relay PBR is closed, after the contact of all parking brakes applying relay PBR is closed, the quick brake applying relay UBR is electrified, the normally open contact of the quick brake applying relay PBR is closed, the brake control unit EBCU judges that the quick brake instruction line is high level, and the quick brake is in the release position.
(2) Parking brake application triggered rapid braking event
After the master control of the head vehicle 1 is put into operation, the master control end of the head vehicle 1 activates the relay MCR to be electrified, and the normally open contact of the relay MCR is closed; the non-master control end of the head vehicle 1 activates the relay MCRR to lose power, and the normally open contact of the relay MCRR is kept open. The main control end activation relay MCR of the head vehicle 2 is not electrified, the normally open contact of the main control end activation relay MCR is kept disconnected, the non-main control end activation relay MCRR of the head vehicle 2 is electrified, and the normally open contact of the non-main control end activation relay MCRR is closed.
When any one vehicle parking brake is in an applied state, the parking brake pressure switch PB is disconnected, the parking brake applying relay PBR loses power, the normally open contact of the parking brake applying relay PBR is kept disconnected, the quick brake applying relay UBR loses power, the normally open contact of the parking brake applying relay PBR is disconnected, and the brake control unit EBCU judges that a quick brake instruction line is low level and applies quick brake.
< vehicle >
In one or more embodiments, a vehicle is also provided that includes a control circuit as described above that triggers full vehicle quick braking.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A control circuit for triggering full-vehicle quick braking is characterized by comprising:
the two ends of the quick braking instruction line are respectively connected with the main control ends of the two head cars;
the switch linkage circuit is connected with the brake control unit;
the brake control units are arranged in the bicycles and are connected with the rapid brake command lines;
the brake control unit is used for controlling the switch linkage circuit to act to enable the rapid brake command line to be changed into low level when detecting that any one single vehicle parking brake is in an applied state, so that the whole vehicle rapid brake is triggered.
2. The control circuit for triggering full vehicle quick braking of claim 1, wherein the switch linkage circuit comprises:
the control end of the parking brake applying relay is connected with the parking brake pressure switch in series, and the normally open contact of the parking brake applying relay is connected on a non-main control line of the whole vehicle in series;
the control end of the rapid braking applying relay is connected with the non-main control line, and the normally open contact of the rapid braking applying relay is connected on the rapid braking instruction line in series.
3. The control circuit for triggering full vehicle rapid braking according to claim 2, wherein the brake control unit is configured to control the parking brake pressure switch to open when any one of the parking brakes is detected to be in the applied state, so that the parking brake application relay is de-energized and its normally open contact is kept open, and further, the rapid brake application relay is de-energized and its normally open contact is open.
4. The control circuit for triggering full vehicle rapid braking according to claim 2, wherein the brake control unit is configured to control the parking brake pressure switch to be closed when detecting that all the parking brakes of the single vehicle are in a release state, so that all the parking brake applying relays are energized, the normally open contacts thereof are closed, and further, the rapid brake applying relay is energized, the normally open contacts thereof are closed, so as to control the rapid brake command line to become high level.
5. The control circuit for triggering rapid braking of a vehicle as claimed in claim 2, wherein the parking brake application relay is provided in each of the single vehicles.
6. The control circuit for triggering full vehicle quick braking of claim 2 wherein the quick brake apply relay is provided in both head vehicles.
7. The control circuit for triggering the full-vehicle quick brake as claimed in claim 2, wherein two ends of the non-master control line are respectively connected with the non-master control ends of the two head vehicles.
8. The control circuit for triggering the full-vehicle quick brake as claimed in claim 1, wherein the master control end of each head vehicle is connected with a master control end activation relay, when one of the master controls of the head vehicles is switched on, the master control end activation relay of the corresponding head vehicle is powered on, and the master control end activation relay of the other head vehicle is not powered on.
9. A control method based on the control circuit for triggering the full-vehicle quick brake as claimed in any one of claims 1 to 8, characterized by comprising the following steps:
detecting whether each single vehicle parking brake is in an applied state;
when any of the parking brakes is detected to be in the applied state:
and controlling the switch linkage circuit to act so that the rapid braking command line becomes a low level, thereby triggering the rapid braking of the whole vehicle.
10. A vehicle comprising a control circuit for triggering rapid braking throughout the vehicle as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210047960.8A CN114275002B (en) | 2022-01-17 | 2022-01-17 | Control circuit and control method for triggering full vehicle rapid braking and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210047960.8A CN114275002B (en) | 2022-01-17 | 2022-01-17 | Control circuit and control method for triggering full vehicle rapid braking and vehicle |
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| Publication Number | Publication Date |
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| CN114275002A true CN114275002A (en) | 2022-04-05 |
| CN114275002B CN114275002B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210047960.8A Active CN114275002B (en) | 2022-01-17 | 2022-01-17 | Control circuit and control method for triggering full vehicle rapid braking and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366950A (en) * | 2022-09-22 | 2022-11-22 | 石家庄信息工程职业学院 | Automatic block control system and method based on 4G network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180165A (en) * | 2011-04-19 | 2011-09-14 | 铁道部运输局 | Method and system for preventing applied accidental parking brake on railway train |
| CN107856658A (en) * | 2017-11-10 | 2018-03-30 | 中车株洲电力机车有限公司 | A kind of city rail vehicle hangs together control circuit, city rail vehicle and hangs together control method |
| CN107867280A (en) * | 2017-11-10 | 2018-04-03 | 中车株洲电力机车有限公司 | Vehicle hangs together control circuit, the method for braking of stopping in emergency, rail traffic vehicles |
| CN111169446A (en) * | 2020-01-02 | 2020-05-19 | 中车青岛四方机车车辆股份有限公司 | Rail train's arresting gear and rail train |
| CN212125148U (en) * | 2020-03-19 | 2020-12-11 | 中车株洲电力机车研究所有限公司 | Virtual rail vehicle and driver control device thereof |
-
2022
- 2022-01-17 CN CN202210047960.8A patent/CN114275002B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180165A (en) * | 2011-04-19 | 2011-09-14 | 铁道部运输局 | Method and system for preventing applied accidental parking brake on railway train |
| CN107856658A (en) * | 2017-11-10 | 2018-03-30 | 中车株洲电力机车有限公司 | A kind of city rail vehicle hangs together control circuit, city rail vehicle and hangs together control method |
| CN107867280A (en) * | 2017-11-10 | 2018-04-03 | 中车株洲电力机车有限公司 | Vehicle hangs together control circuit, the method for braking of stopping in emergency, rail traffic vehicles |
| CN111169446A (en) * | 2020-01-02 | 2020-05-19 | 中车青岛四方机车车辆股份有限公司 | Rail train's arresting gear and rail train |
| CN212125148U (en) * | 2020-03-19 | 2020-12-11 | 中车株洲电力机车研究所有限公司 | Virtual rail vehicle and driver control device thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366950A (en) * | 2022-09-22 | 2022-11-22 | 石家庄信息工程职业学院 | Automatic block control system and method based on 4G network |
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| CN114275002B (en) | 2023-04-28 |
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