CN109340093B - Start-stop control device and method for air compressor of rail train - Google Patents
Start-stop control device and method for air compressor of rail train Download PDFInfo
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- CN109340093B CN109340093B CN201811047642.1A CN201811047642A CN109340093B CN 109340093 B CN109340093 B CN 109340093B CN 201811047642 A CN201811047642 A CN 201811047642A CN 109340093 B CN109340093 B CN 109340093B
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- air compressor
- bcu
- control
- relay
- vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a start-stop control device and method of a rail train air compressor, the device comprises an air compressor main control BCU and an air compressor slave control BCU, the air compressor main control BCU and the air compressor slave control BCU respectively control a relay A, the relay A is used for cutting off an air compressor synchronous circuit, the air compressor main control BCU and the air compressor slave control BCU respectively control the on-off of a point A, and the power-on and power-off states of two air compressor locomotive contactors A are controlled, so that the start-stop of the air compressor is controlled. The invention realizes the master-slave control of the air compressor based on the hard wire, and can realize the master-slave start-stop control of the air compressor by utilizing the hard wire circuit to meet the vehicle requirement when the master-slave control based on the network cannot be adopted.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a start-stop control device and a start-stop control method for an air compressor of a rail train.
Background
The existing rail trains (4 marshalling to 8 marshalling) are generally provided with two sets of air compressor systems, and on the aspect of starting and stopping of the air compressors, synchronous starting and stopping control based on hard wires (two sets of air compressors are synchronously started) or master-slave control based on a network (one set of air compressors is used as a main part, the other set of air compressors are used as a standby part and are started under a certain working condition).
According to vehicle type configuration or related equipment conditions on a vehicle, under some working conditions, when synchronous start-stop control of the air compressor based on a hard wire cannot meet vehicle requirements (such as power supply capacity after a single set of auxiliary power supply fails), but master-slave control based on a network cannot be adopted (vehicle type design limitation), a master-slave control method of the air compressor based on a hard wire circuit needs to be researched to adapt to vehicle design requirements.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a hard-wire-based master-slave air compressor starting and stopping control device and method for a rail train.
The purpose of the invention is realized by the following technical scheme.
The utility model provides a start and stop controlling means of rail train air compressor machine, includes air compressor machine main control BCU and air compressor machine from controlling BCU, air compressor machine main control BCU and air compressor machine are from controlling a relay A respectively, relay A is used for excising air compressor machine synchronizing circuit, air compressor machine main control BCU and air compressor machine are from controlling BCU and controlling the closed and the disconnection of A point respectively, control two air compressor locomotive contactor A's the state of getting lost to control opening of air compressor machine and stop.
The normally closed contact circuit of the relay A is connected with a synchronous circuit control switch in parallel, and the synchronous circuit control switch is used for preventing the failure of the relay A from causing the failure of the synchronous circuit to be recovered.
A start and stop control method for an air compressor of a rail train comprises the following steps:
1) distinguishing BCUs controlled by a master controller and a slave controller, and defining M-BCUs as master control BCUs of the air compressor, and defining S-BCUs as slave control BCUs of the air compressor;
2) identifying M-BCU and S-BCU according to the date information and the vehicle number information;
3) and controlling the power-on and power-off states of the two air compressor locomotive contactors A through the on and off of the point A, thereby controlling the start and stop of the air compressor. When the M-BCU or the S-BCU judges that the total wind pressure value is smaller than the threshold value A, the point A of the vehicle is closed; when the M-BCU or the S-BCU judges that the total wind pressure is larger than the threshold B, the vehicle point A is disconnected;
4) the output of a relay A of the M-BCU vehicle is always OFF, namely the relay A loses power, and when the point A is closed, the vehicle air compressor is started;
the output of a relay A of the S-BCU vehicle is always ON, namely the relay A is electrified, and when the point A is closed, the vehicle air compressor is not started;
when the S-BCU judges that the total air pressure is less than the threshold value C, or the S-BCU detects that four shafts synchronously slide, or the S-BCU receives an air compressor synchronous starting signal sent by a network, a relay A of the S-BCU is powered off, and the air compressor of the vehicle is started; and when the M-BCU judges that the total air pressure is less than the threshold C, the air compressor synchronous starting signal is sent to the S-BCU through the network, wherein 1000kPa is greater than the threshold B, greater than the threshold A, greater than the threshold C and greater than 700 kPa.
Compared with the prior art, the invention has the advantages that: the invention realizes the master-slave control of the air compressor based on the hard wire, and can realize the master-slave start-stop control of the air compressor by utilizing the hard wire circuit to meet the vehicle requirement when the master-slave control based on the network cannot be adopted.
Drawings
FIG. 1 is a schematic of a hard-wired control loop of the present invention.
Detailed Description
As shown in fig. 1, the start and stop control device of the air compressor of the rail train comprises an air compressor main control BCU and an air compressor slave control BCU, wherein the air compressor main control BCU and the air compressor slave control BCU respectively control a relay A (see fig. 1), the relay A is used for cutting off an air compressor synchronous circuit, the air compressor main control BCU and the air compressor slave control BCU respectively control the on and off of an A point (see fig. 1), and the power-on and power-off states of two air compressor train contactors A are controlled, so that the start and stop of the air compressor are controlled.
A synchronous circuit control switch (control switch for short) is connected in parallel to a normally closed contact circuit of the relay A and is used for preventing the synchronous circuit from being incapable of being recovered due to the fault of the relay A.
A start and stop control method for an air compressor of a rail train comprises the following steps:
1) distinguishing BCUs controlled by a master controller and a slave controller, and defining M-BCUs as master control BCUs of the air compressor, and defining S-BCUs as slave control BCUs of the air compressor;
2) identifying M-BCU and S-BCU according to the date information and the vehicle number information; for example: one vehicle provided with the air compressor is identified as M-BCU, and the other vehicle is S-BCU; and the other vehicle is the M-BCU at the two days, and the other vehicle is the S-BCU.
3) Controlling the power-on and power-off states of the two air compressor locomotive contactors A through the on-off of the point A, so as to control the start and stop of the air compressor, and when the M-BCU or the S-BCU judges that the total air pressure is less than the threshold value A, closing the point A; when the M-BCU or the S-BCU judges that the total wind pressure is larger than the threshold B, the vehicle point A is disconnected;
4) the output of a relay A of the M-BCU vehicle is always OFF, namely the relay A loses power, and when the point A is closed, the vehicle air compressor is started;
the output of a relay A of the S-BCU vehicle is always 0N, namely the relay A is electrified, and when the point A is closed, the vehicle air compressor is not started;
when the S-BCU judges that the total wind pressure is less than the threshold value C or the S-BCU detects that four shafts synchronously slide or receives an air compressor synchronous starting signal sent by a network, a relay A of the S-BCU is powered off, and the air compressor of the vehicle is started; and when the M-BCU judges that the total air pressure is less than the threshold value C, the air compressor synchronous starting signal is sent to the S-BCU through the network.
Note: 1000kPa > threshold B > threshold A > threshold C >700 kPa.
Claims (3)
1. A start and stop control method for an air compressor of a rail train is characterized by comprising the following steps:
1) distinguishing BCUs controlled by a master controller and a slave controller, and defining M-BCUs as master control BCUs of the air compressor, and defining S-BCUs as slave control BCUs of the air compressor;
2) identifying M-BCU and S-BCU according to the date information and the vehicle number information;
3) controlling the power-on and power-off states of the two air compressor locomotive contactors A through the on-off of the point A, so as to control the start and stop of the air compressor, and when the M-BCU or the S-BCU judges that the total air pressure is less than the threshold value A, the point A is on; when the M-BCU or the S-BCU judges that the total wind pressure is larger than a threshold value B, the point A is disconnected;
4) the output of a relay A of the M-BCU vehicle is always OFF, namely the relay A loses power, and when the point A is closed, the vehicle air compressor is started;
the output of a relay A of the S-BCU vehicle is always ON, namely the relay A is electrified, and when the point A is closed, the vehicle air compressor is not started;
when the S-BCU judges that the total wind pressure is less than the threshold value C or the S-BCU detects that four shafts synchronously slide or receives an air compressor synchronous starting signal sent by a network, a relay A of the S-BCU vehicle is powered off, and the vehicle air compressor is started; and when the M-BCU judges that the total air pressure is less than the threshold C, the air compressor synchronous starting signal is sent to the S-BCU through the network, wherein 1000kPa is greater than the threshold B, greater than the threshold A, greater than the threshold C and greater than 700 kPa.
2. The start-stop control device of the rail train air compressor is used for implementing the start-stop control method of the rail train air compressor according to claim 1, and is characterized by comprising an air compressor main control BCU and an air compressor slave control BCU, wherein the air compressor main control BCU and the air compressor slave control BCU respectively control a relay A, the relay A is used for cutting off an air compressor synchronous circuit, the air compressor main control BCU and the air compressor slave control BCU respectively control the on-off of a point A, and the power-on and power-off states of two air compressor locomotive contactors A are controlled, so that the start-stop of the air compressor is controlled.
3. The start-stop control device for the air compressor of the rail train as claimed in claim 2, wherein a normally closed contact circuit of the relay a is connected in parallel with a synchronous circuit control switch, and the synchronous circuit control switch is used for preventing the failure of the relay a from causing the failure of the synchronous circuit to be incapable of being recovered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811047642.1A CN109340093B (en) | 2018-09-05 | 2018-09-05 | Start-stop control device and method for air compressor of rail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811047642.1A CN109340093B (en) | 2018-09-05 | 2018-09-05 | Start-stop control device and method for air compressor of rail train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109340093A CN109340093A (en) | 2019-02-15 |
| CN109340093B true CN109340093B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811047642.1A Active CN109340093B (en) | 2018-09-05 | 2018-09-05 | Start-stop control device and method for air compressor of rail train |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263589B (en) * | 2021-12-16 | 2024-02-27 | 交控科技股份有限公司 | Air compressor starting control system and starting control method |
| CN114738253A (en) * | 2022-03-18 | 2022-07-12 | 交控科技股份有限公司 | Rail vehicle air compressor start control circuit and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55156284A (en) * | 1979-05-23 | 1980-12-05 | Mitsubishi Electric Corp | Pump controller |
| CN2635941Y (en) * | 2003-04-05 | 2004-08-25 | 吴勋辉 | Pressure controller for air compressor |
| CN102022313A (en) * | 2010-12-31 | 2011-04-20 | 莱芜钢铁股份有限公司 | Control system and method of air compressor unit |
| CN202056040U (en) * | 2011-04-29 | 2011-11-30 | 江门汇海饲料厂有限公司 | Control system for multiple air compressors |
| CN202431496U (en) * | 2011-12-12 | 2012-09-12 | 南车南京浦镇车辆有限公司 | Electric control device of brake air compressor for motor train unit |
-
2018
- 2018-09-05 CN CN201811047642.1A patent/CN109340093B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55156284A (en) * | 1979-05-23 | 1980-12-05 | Mitsubishi Electric Corp | Pump controller |
| CN2635941Y (en) * | 2003-04-05 | 2004-08-25 | 吴勋辉 | Pressure controller for air compressor |
| CN102022313A (en) * | 2010-12-31 | 2011-04-20 | 莱芜钢铁股份有限公司 | Control system and method of air compressor unit |
| CN202056040U (en) * | 2011-04-29 | 2011-11-30 | 江门汇海饲料厂有限公司 | Control system for multiple air compressors |
| CN202431496U (en) * | 2011-12-12 | 2012-09-12 | 南车南京浦镇车辆有限公司 | Electric control device of brake air compressor for motor train unit |
Non-Patent Citations (1)
| Title |
|---|
| "深圳一号线压缩机选型及运行管理设计";赵桂玲等;《技术与市场》;20110731;第18卷(第7期);第16-17页 * |
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| CN109340093A (en) | 2019-02-15 |
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