CN201573638U - Pressure controlling device for locomotive equalizing reservoir - Google Patents
Pressure controlling device for locomotive equalizing reservoir Download PDFInfo
- Publication number
- CN201573638U CN201573638U CN2009202914327U CN200920291432U CN201573638U CN 201573638 U CN201573638 U CN 201573638U CN 2009202914327 U CN2009202914327 U CN 2009202914327U CN 200920291432 U CN200920291432 U CN 200920291432U CN 201573638 U CN201573638 U CN 201573638U
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- equalizing reservoir
- pressure
- valve
- control
- high speed
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Abstract
The utility model discloses a pressure controlling device for locomotive equalizing reservoir, including a closed-loop master control part and a back-up control part. The closed-loop master control part includes: a pressure sensor accessing in the equalizing reservoir, an air-intake branch formed by connecting in series a control plug door connected to the total wind output port, a pressure regulating valve, an air-intake high speed electro-pneumatic valve and a switch valve of the accessing equalizing reservoir in sequence, an air exhaust branch composed of an air exhaust high speed electro-pneumatic valve and a switch valve of the accessing equalizing reservoir, and a proportional controller, wherein the air-intake high speed electro-pneumatic valve and the air exhaust high speed electro-pneumatic valve are respectively connected to the control terminal of the proportional controller; the signal input terminal of the proportional controller is connected to the output terminal of the pressure sensor. The back-up control part includes a control plug door connected to the total wind output port, a pressure regulating valve, and a back-up brake valve accessing to the equalizing reservoir that are connected in series in sequence. The utility model performs closed-loop control to the equalizing reservoir pressure, whish has high control precision; adopts redundant control to the pressure of the equalizing reservoir, to improve the control reliability; the equalizing reservoir can perform automatic pressure reduction and wind discharging to perform automatic protection when system fault appears or the electricity is cut off, the locomotive safety can be improved, and the like advantages.
Description
Technical field
The utility model relates to braking control system field in the railway locomotive, refers in particular to a kind of pressure control device that is used for equalizing reservoir of motor vehicle.
Background technology
At present, the railway locomotive forward at a high speed, heavily stressed direction develops, and this development tendency has proposed renewal, higher requirement to the train braking control system.For the locomotive brake control system, no matter be that single-row locomotive braking system is carried out accuracy control or by the locomotive synchronous control system braking of combination train system carried out synchro control, all need equalizing reservoir pressure is carried out accuracy control.And domestic existing power locomotive adopts DK-1 type locomotive electro-pneumatic brake, and what the control of equalizing reservoir was adopted is open loop control, and pressure controling precision is low, therefore can not adapt to the control requirement of modern railways to train braking system fully.
The utility model content
At the technical matters that prior art exists, the technical problems to be solved in the utility model is: a kind of pressure control device that is used for equalizing reservoir of motor vehicle is provided, can adopts closed loop control to equalizing reservoir pressure, to improve the control accuracy of equalizing reservoir pressure; Equalizing reservoir is adopted Redundant Control, improve the reliability of its control; The air draft of reducing pressure automatically of the system failure or dead electricity post-equalization reservoir is protected automatically, further improves motorcycle safety.
For solving the problems of the technologies described above, the solution that the utility model is taked is: a kind of pressure control device that is used for equalizing reservoir of motor vehicle, comprise closed loop master control part and reserve control part, wherein closed loop master control part branch comprises the pressure sensor that inserts equalizing reservoir, by filling in door with the total wind control of total wind delivery port bonded assembly, pressure regulating valve, the change-over valve of air inlet high speed electropneumatic valve and access equalizing reservoir is connected in series air inlet branch road that forms and the exhaust branch road that is made of exhaust high speed electropneumatic valve and the change-over valve that inserts equalizing reservoir successively, and wherein air inlet high speed electropneumatic valve is connected with proportional regulator respectively with exhaust high speed electropneumatic valve; The signal input part of described proportional regulator is connected with the mouth of pressure sensor; Wherein the reserve control part comprises the reserve brake activation valve of total wind control plug door, pressure regulating valve and the access equalizing reservoir of serial connection successively.
As preferred version, be serially connected with the protection electropneumatic valve between air inlet high speed electropneumatic valve and the change-over valve in the described air inlet branch road.
In addition, also equalizing reservoir pressure detection mouth can be set on described equalizing reservoir, detect mouth by this, utilize other standard pressure detecting instrument, as the high-precision digital compression indicator, whether the pressure of testing the equalizing reservoir practical adjustments is accurate.For the ease of operation, described equalizing reservoir has the equalizing reservoir compression indicator that is positioned at driver's cab by plumbing connection, and the pressure of equalizing reservoir is received driver's cab by pipeline, observes to bus attendant and uses.Above-mentioned preferred version can further improve the accuracy and the availability of pressure control device.
The pressure control device that is used for equalizing reservoir of motor vehicle described in the utility model; comprise the proportional regulator that sends pwm signal, control total wind air inlet and two total gas control system plug doors that end, regulate two pressure regulating valves of total wind pressure; air inlet high speed electropneumatic valve; exhaust high speed electropneumatic valve, protection electropneumatic valve, pressure sensor; change-over valve; the reserve brake activation valve, equalizing reservoir, equalizing reservoir detects mouth and equalizing reservoir compression indicator.
The described pressure control device control equalizing reservoir pressure that is used for equalizing reservoir comprises two kinds of patterns: employing high speed electropneumatic valve, pressure sensor and proportional regulator (transmission pwm signal) mode realize the EP closed-loop simulation master mode to the pressure accuracy control, another kind of pure air reserve master mode for just adopting under the normal circumstances when EP closed-loop simulation master mode lost efficacy.The automatic decompression air draft of equalizing reservoir when the protection electropneumatic valve that is connected in series between air inlet high speed electropneumatic valve and the change-over valve can be guaranteed the system failure or dead electricity.
Compared with prior art, the advantage that is used for the pressure control device of equalizing reservoir of motor vehicle described in the utility model is:
1, equalizing reservoir pressure is adopted closed loop control, can improve the equalizing reservoir pressure controling precision greatly;
2, equalizing reservoir is adopted Redundant Control, can improve the reliability of its control;
3, the air draft of reducing pressure automatically of the system failure or dead electricity post-equalization reservoir is protected automatically, can improve advantages such as motorcycle safety;
4, no matter the utility model is under EP closed-loop simulation master mode, still switches under the reserve master mode, and equalizing reservoir pressure boosts, decompression rate all meets TB/T 2056 relevant regulations.
Description of drawings
Fig. 1 is the described control principle figure that is used for the pressure control module of equalizing reservoir of motor vehicle of embodiment;
In the accompanying drawings:
1, proportional regulator 2, total wind control plug door
3, regulate pressure regulating valve 4, the air inlet high speed electropneumatic valve of total wind pressure
5, protection electropneumatic valve 6, exhaust high speed electropneumatic valve
7, equalizing reservoir pressure detection mouth 8, pressure sensor
9, equalizing reservoir compression indicator 10, total wind control plug door
11, regulate pressure regulating valve 12, the reserve brake activation valve of total wind pressure
13, change-over valve 14, equalizing reservoir
The specific embodiment
Below with reference to the drawings and specific embodiments the utility model is described in further details.
As shown in Figure 1; present embodiment provides a kind of pressure control module that is used for equalizing reservoir of motor vehicle; it comprises the proportional regulator 1 that sends pwm signal; control total wind air inlet and two that end total line control plug doors 2 and total line control plug door 10; regulate two pressure regulating valves 3 of total wind pressure; 11; air inlet high speed electropneumatic valve 4; exhaust high speed electropneumatic valve 6, protection electropneumatic valve 5, pressure sensor 8; change-over valve 13; reserve brake activation valve 12, equalizing reservoir 14, equalizing reservoir pressure detection mouth 7 and equalizing reservoir compression indicator 9 etc.
Wherein proportional regulator 1, total wind air inlet of control and the total gas control system plug door 2 that ends; regulate two pressure regulating valves 3 of total wind pressure; air inlet high speed electropneumatic valve 4, exhaust high speed electropneumatic valve 6, protection electropneumatic valve 5; pressure sensor 8; change-over valve 13, equalizing reservoir 14, equalizing reservoir pressure detection mouth 7; equalizing reservoir compression indicator 9 grades have constituted the EP closed-loop simulation master mode of equalizing reservoir, promptly utilize the high speed electropneumatic valve to realize the closed loop control mode of equalizing reservoir.
Control total wind air inlet and the total gas control system plug door 10 that ends, regulate two pressure regulating valves 11 of total wind pressure, reserve brake activation valve 12, equalizing reservoir 14, equalizing reservoir pressure detection mouth 7 and equalizing reservoir compression indicator 9 etc. constitute the reserve master mode of equalizing reservoir.
Under the normal circumstances equalizing reservoir is adopted EP closed-loop simulation master mode, the pure air reserve master mode that just adopted when EP closed-loop simulation master mode lost efficacy.Two kinds of master modes are switched according to different situations, which kind of pattern no matter, and equalizing reservoir pressure boosts, decompression rate all meets TB/T 2056 relevant regulations.
Under EP closed-loop simulation master mode, the equalizing reservoir control module receives the expected value order of equalizing reservoir control, wherein expected value is given by the brake microprocessor control system, the equalizing reservoir real-time pressure value of comparison object value and pressure sensor feedback, proportional regulator (transmission pwm signal) is to air inlet high speed electropneumatic valve 4, the control of exhaust high speed electropneumatic valve 6 reaches the purpose of accuracy control equalizing reservoir pressure, finally can reach ± 2kPa the pressure controlled precision of equalizing reservoir.
Under the reserve master mode, the driver can be by handling the filling of reserve air brake valve 12 direct control equalizing reservoirs, exhaust, thereby reach the purpose of control equalizing reservoir pressure.
At EP closed-loop simulation master mode or the equalizing reservoir pressure after control under the reserve master mode, all send to driver's cab equalizing reservoir compression indicator 9 and be used for showing by pipeline.Equalizing reservoir pressure detection mouth 7 is used for the detecting instrument of external detection equalizing reservoir actual pressure, judges by detecting instrument whether practical adjustments pressure has reached requirement.The automatic decompression air draft of equalizing reservoir when protection electropneumatic valve 5 can be guaranteed the system failure or dead electricity.
Claims (4)
1. pressure control device that is used for equalizing reservoir of motor vehicle, it is characterized in that, comprise closed loop master control part and reserve control part, wherein closed loop master control part branch comprise the pressure sensor that inserts equalizing reservoir, by the exhaust branch road that is connected in series the air inlet branch road that forms successively and constitutes with the total wind control of total wind delivery port bonded assembly plug door, pressure regulating valve, air inlet high speed electropneumatic valve and the change-over valve that inserts equalizing reservoir by the change-over valve of exhaust high speed electropneumatic valve and access equalizing reservoir, wherein air inlet high speed electropneumatic valve is connected with proportional regulator respectively with exhaust high speed electropneumatic valve; The signal input part of described proportional regulator is connected with the mouth of pressure sensor; Wherein the reserve control part comprises the reserve brake activation valve of total wind control plug door, pressure regulating valve and the access equalizing reservoir of serial connection successively.
2. according to the described pressure control device that is used for equalizing reservoir of motor vehicle of claim 1, it is characterized in that, be serially connected with the protection electropneumatic valve between air inlet high speed electropneumatic valve and the change-over valve in the described air inlet branch road.
3. according to claim 1 or the 2 described pressure control devices that are used for equalizing reservoir of motor vehicle, it is characterized in that described equalizing reservoir is provided with equalizing reservoir pressure detection mouth.
4. according to claim 1 or the 2 described pressure control devices that are used for equalizing reservoir of motor vehicle, it is characterized in that described equalizing reservoir has the equalizing reservoir compression indicator that is positioned at driver's cab by plumbing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202914327U CN201573638U (en) | 2009-12-15 | 2009-12-15 | Pressure controlling device for locomotive equalizing reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202914327U CN201573638U (en) | 2009-12-15 | 2009-12-15 | Pressure controlling device for locomotive equalizing reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201573638U true CN201573638U (en) | 2010-09-08 |
Family
ID=42693515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202914327U Expired - Lifetime CN201573638U (en) | 2009-12-15 | 2009-12-15 | Pressure controlling device for locomotive equalizing reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201573638U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009646A (en) * | 2010-12-02 | 2011-04-13 | 南车株洲电力机车有限公司 | Control system for distribution valve of brake system of storage battery power engineering truck |
| CN104442904A (en) * | 2014-11-19 | 2015-03-25 | 南车资阳机车有限公司 | Air braking system punishment braking device |
| CN105035053A (en) * | 2015-09-09 | 2015-11-11 | 南车株洲电力机车有限公司 | Braking system and locomotive |
| CN109094583A (en) * | 2018-09-06 | 2018-12-28 | 中车株洲电力机车有限公司 | Vehicle air-supply pipeline control system and rail vehicle with the system |
| CN110053648A (en) * | 2019-04-28 | 2019-07-26 | 中车株洲电力机车有限公司 | Braking system and rail vehicle |
| WO2020098058A1 (en) * | 2018-11-15 | 2020-05-22 | 中车株洲电力机车有限公司 | Electric-air brake |
| CN113200073A (en) * | 2021-06-04 | 2021-08-03 | 中车株洲电力机车有限公司 | Train pipe overcharge control device and method, brake system and rail transit vehicle |
-
2009
- 2009-12-15 CN CN2009202914327U patent/CN201573638U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009646A (en) * | 2010-12-02 | 2011-04-13 | 南车株洲电力机车有限公司 | Control system for distribution valve of brake system of storage battery power engineering truck |
| CN102009646B (en) * | 2010-12-02 | 2013-03-06 | 南车株洲电力机车有限公司 | Control system for distribution valve of brake system of storage battery power engineering truck |
| CN104442904A (en) * | 2014-11-19 | 2015-03-25 | 南车资阳机车有限公司 | Air braking system punishment braking device |
| CN104442904B (en) * | 2014-11-19 | 2016-08-10 | 中车资阳机车有限公司 | A kind of Pneumatic brake systems punishment brake unit |
| CN105035053A (en) * | 2015-09-09 | 2015-11-11 | 南车株洲电力机车有限公司 | Braking system and locomotive |
| CN105035053B (en) * | 2015-09-09 | 2018-02-27 | 南车株洲电力机车有限公司 | A kind of brakes and locomotive |
| CN109094583A (en) * | 2018-09-06 | 2018-12-28 | 中车株洲电力机车有限公司 | Vehicle air-supply pipeline control system and rail vehicle with the system |
| CN109094583B (en) * | 2018-09-06 | 2019-12-17 | 中车株洲电力机车有限公司 | Vehicle air supply pipeline control system and rail vehicle with same |
| WO2020098058A1 (en) * | 2018-11-15 | 2020-05-22 | 中车株洲电力机车有限公司 | Electric-air brake |
| CN110053648A (en) * | 2019-04-28 | 2019-07-26 | 中车株洲电力机车有限公司 | Braking system and rail vehicle |
| CN113200073A (en) * | 2021-06-04 | 2021-08-03 | 中车株洲电力机车有限公司 | Train pipe overcharge control device and method, brake system and rail transit vehicle |
| CN113200073B (en) * | 2021-06-04 | 2022-06-14 | 中车株洲电力机车有限公司 | Train pipe overcharge control device and method, brake system and rail transit vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |
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| CX01 | Expiry of patent term |