CN205506366U - Pneumatic brake control system - Google Patents
Pneumatic brake control system Download PDFInfo
- Publication number
- CN205506366U CN205506366U CN201620087689.0U CN201620087689U CN205506366U CN 205506366 U CN205506366 U CN 205506366U CN 201620087689 U CN201620087689 U CN 201620087689U CN 205506366 U CN205506366 U CN 205506366U
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- Prior art keywords
- pressure
- valve
- control
- brake
- braking
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- Expired - Fee Related
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Abstract
The utility model belongs to inertia braking technology, the pneumatic brake control system of concretely relates to invariable brake pressure and moment output. Pneumatic brake control system includes safe overflow valve, the overflow relief pressure valve, and the manometer, outer guide magenetic exchange valve, pneumatic control pressure sensor, the brake pressure shut -off valve, braking atmospheric pressure pressure transmitter is triald produce hydraulic buffer stop end pressure transmitter, is triald produce hydraulic buffer stop brake chamber, torque sensor, air supply, proportional flow valve, inflation formula whistle box, control computer. The utility model discloses a monitor by trial -production hydraulic buffer stop brake pressure and moment of torsion, adjust braking atmospheric pressure pressure, maintain and triald produce the invariable of hydraulic buffer stop brake pressure or moment, in the control process, adopt RTX real -time operating system and PID control technique to combine, make the observing and controlling system have high response speed and control accuracy.
Description
Technical field
This utility model belongs to inertia braking technology, is specifically related to a kind of constant braking pressure and moment output
Aerobraking control system.
Background technology
For examination road, rail traffic vehicles pneumatic braking device performance, need it is being made a service test
Inertia-type test-bed on carry out constant braking pressure, the braking ability test of constant braking moment of torsion, with
Detection pneumatic braking device braking ability index under these two kinds of industry controls.
Currently, the constant braking during domestic and international brake performance detection test standard detects for brake
Pressure, constant braking moment of torsion control technology and all there are certain requirements.Therefore, for meeting domestic and international brake examination
Performance test required by standard inspection standard, constant braking pressure, the design of constant braking torque system and realization
The most particularly significant.
The mode of braking that nowadays brake tester uses both at home and abroad can be divided into air-pressure brake and hydraulic pressure substantially
Braking.Pneumatic braking system owing to it is simple and compact for structure, positioning precision is high, low cost and other advantages, for
Selected by a lot of brake tester manufacturers.Pneumatic braking system is except providing constant moment of force for brake tester
Outside brake control function, may also provide the constant voltage control for brake met required by state's inner brake test standard
Function.
Pneumatic constant pressure and permanent braking technology of turning round, as a core technology of brake tester product pedigree, are
The technical barrier that lot of domestic and foreign brake tester product producer must capture.But pneumatic there is also
The birth defects such as air compression ratio is relatively big, response is sluggish:
● owing to air is compressible, therefore pneumatic actuator system poor stability, to position control and
Velocity control accuracy brings the biggest impact；
● bigger thrust or torque should not be obtained；
● noise is big, especially when velocity of sound aerofluxus, needs to install acoustic filter additional；
● because working media air itself does not has lubricity, feeding lubricating device must be set in gas circuit.
In recent years, pneumatic product is little to volume, lightweight, low in energy consumption, combination integrated direction development,
Executive component is many to kind, compact conformation, positioning precision height direction are developed；Pneumatic element and electronic technology
Combine, develop to intelligent direction；Pneumatic element performance to high speed, high frequency, high response, the high life,
Direction high temperature resistant, high pressure resistant is developed.
Summary of the invention
The purpose of this utility model is: provide a kind of energy constant output brake pressure and the aerobraking of moment
Control system, is transmitted sensor signal to industrial control computer end, and is ensured by software algorithm
Stable and the precision of pressure cell moment output.
Embodiment of the present utility model is: a kind of aerobraking control system, it include safety overflow valve 1,
Overflow air relief valve 2, Pressure gauge 3, outer guide's solenoid directional control valve 4, air pressure control pressure transducer 5, system
Dynamic pressure closes valve closing 6, braking pressure pressure transmitter 7, tested brake end pressure transmitter 8, moment
Sensor 10, source of the gas 11, proportional flow control valve 12, expansion type Sound Attenuator 13, control computer 14, its
In, source of the gas 11 output point two-way, it is sequentially arranged overflow air relief valve 2 and Pressure gauge 3 on the way, another
Set scale flow valve 12 on road, described proportional flow control valve 12 respectively with safety overflow valve 1, outer first conduct electricity
Magnetic reversal valve 4 connects, described outer guide's solenoid directional control valve 4 be sequentially connected with air pressure control pressure transducer 5,
Brake pressure closes valve closing 6, braking pressure pressure transmitter 7, tested brake end pressure transmitter 8, quilt
Examination brake brake chamber 9, torque sensor 10, control computer and control pressure sensing with air pressure respectively
Device 5, brake pressure close valve closing 6, braking pressure pressure transmitter 7, torque sensor 10, proportional flow
Valve 12 connects to accept and processes corresponding signal, it addition, expansion type Sound Attenuator (13) and outer first conductive magnetism
Reversal valve (4) connects with proportional flow control valve (12).
Control computer comprise interconnective analog input card and output board card, analog input card respectively with air pressure
Control pressure transducer 5, brake pressure closes valve closing 6, braking pressure pressure transmitter 7, torque sensor
10, proportional flow control valve 12 connects.
The utility model has the advantages that: this utility model compact conformation, it is easy to install；Control accuracy and frequency
Rate response is higher.By the actual application of engineering project, this plant running is reliable, data stabilization, without dry
Disturb fluctuation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Wherein, safety overflow valve 1, overflow air relief valve 2, Pressure gauge 3, outer guide's solenoid directional control valve 4, air pressure control
Pressing pressure sensor 5, brake pressure closes valve closing 6, braking pressure pressure transmitter 7, tested brake side pressure
Power transmitter 8, tested brake air chamber 9, torque sensor 10, source of the gas 11, proportional flow control valve 12,
Expansion type Sound Attenuator 13, controls computer 14.
Detailed description of the invention
With embodiment, this utility model is described further below in conjunction with the accompanying drawings:
This utility model aerobraking control system include control computer, signal transducer, actuator,
Pneumatic constant moment brakes.
Wherein, signal transducer: for each physical quantity is converted to the letter that analog input card can identify
Number, comprise baroceptor, torque sensor, temperature sensor.
Actuator: actuator is proportional flow control valve, (is used Industry Control to calculate by controlling computer
Machine) driven by analog interface, it is achieved linear regulation, be used for controlling gas flow thus realize pressure and
Moment of torsion controls.
Pneumatic constant pressure and constant moment of force brakes: tested brake air chamber.
Referring to Fig. 1, the concrete structure of this utility model aerobraking control system is given below, it includes
Safety overflow valve 1, overflow air relief valve 2, Pressure gauge 3, outer guide's solenoid directional control valve 4, air pressure control pressure
Force transducer 5, brake pressure close valve closing 6, braking pressure pressure transmitter 7, tested brake end pressure
Transmitter 8, torque sensor 10, source of the gas 11, proportional flow control valve 12, expansion type Sound Attenuator 13, control
Computer 14, wherein, source of the gas 11 output point two-way, it is sequentially arranged overflow air relief valve 2 and pressure on the way
Power table 3, the most on the way Set scale flow valve 12, described proportional flow control valve 12 respectively with safety overflow valve
1, outer guide's solenoid directional control valve 4 connects, and described outer guide's solenoid directional control valve 4 has been sequentially connected with air pressure control
Pressure transducer 5, brake pressure close valve closing 6, braking pressure pressure transmitter 7, tested brake side pressure
Power transmitter 8, tested brake air chamber 9, torque sensor 10.Described expansion type Sound Attenuator 13
Connect with outer guide's solenoid directional control valve 4 and proportional flow control valve 12 respectively.
Control computer comprise interconnective analog input card and output board card, analog input card respectively with air pressure
Control pressure transducer 5, brake pressure closes valve closing 6, braking pressure pressure transmitter 7, torque sensor
10, proportional flow control valve 12 connects.Described control computer is the core of whole control system, is used for realizing
Signals collecting, software control algorithm and the function of control output, owing to whole system is for signals collecting frequency
Rate and control frequency response require higher, control computer and use real time operating system.
This utility model, by monitoring tested brake pressure and moment of torsion, regulates braking pressure pressure,
Maintain the invariable of tested brake pressure or moment.This utility model technology uses pneumatic flowrate
Control technology, in conjunction with computer high speed observing and controlling and real-time PID software engineering, make aerobraking pressure regulate,
Braking torque output speed control reaches Millisecond, is accurately controlled aerobraking pressure, pressure applying speed
Rate, its rapid adjustability combines the feedback of braking torque and measures formation closed loop, by the reality of computer software
Time digital pid control, make measurement system have high response speed and control accuracy, perfection achieves
The constant braking pressure of pneumatic braking device or the braking of constant braking moment of torsion.
Claims (2)
1. an aerobraking control system, it is characterised in that include that safety overflow valve (1), overflow subtract
Pressure valve (2), Pressure gauge (3), outer guide's solenoid directional control valve (4), air pressure control pressure transducer (5),
Brake pressure closes valve closing (6), braking pressure pressure transmitter (7), tested brake end pressure transmitter
(8), torque sensor (10), source of the gas (11), proportional flow control valve (12), expansion type Sound Attenuator (13),
Control computer (14), wherein, source of the gas (11) output point two-way, be sequentially arranged overflow on the way and subtracted
Pressure valve (2) and Pressure gauge (3), Set scale flow valve (12) the most on the way, described proportional flow control valve
(12) it is connected with safety overflow valve (1), outer guide's solenoid directional control valve (4) respectively, described outer first conducts electricity
Magnetic reversal valve (4) has been sequentially connected with air pressure control pressure transducer (5), brake pressure closes valve closing (6),
Braking pressure pressure transmitter (7), tested brake end pressure transmitter (8), tested brake
Air chamber (9), torque sensor (10), control computer respectively with air pressure control pressure transducer (5),
Brake pressure closes valve closing (6), braking pressure pressure transmitter (7), torque sensor (10), ratio stream
Amount valve (12) connects to accept and processes corresponding signal, it addition, expansion type Sound Attenuator (13) and outer elder generation
Conductive magnetism reversal valve (4) connects with proportional flow control valve (12).
Aerobraking control system the most according to claim 1, it is characterised in that control computer
Comprising interconnective analog input card and output board card, analog input card controls pressure transducer with air pressure respectively
(5), brake pressure close valve closing (6), braking pressure pressure transmitter (7), torque sensor (10),
Proportional flow control valve (12) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087689.0U CN205506366U (en) | 2016-01-28 | 2016-01-28 | Pneumatic brake control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087689.0U CN205506366U (en) | 2016-01-28 | 2016-01-28 | Pneumatic brake control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205506366U true CN205506366U (en) | 2016-08-24 |
Family
ID=56723710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620087689.0U Expired - Fee Related CN205506366U (en) | 2016-01-28 | 2016-01-28 | Pneumatic brake control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205506366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106502192A (en) * | 2016-10-26 | 2017-03-15 | 长飞光纤光缆股份有限公司 | A kind of optical fiber proof-tester Quick-speed braking arrangement and method |
| CN110926595A (en) * | 2019-11-28 | 2020-03-27 | 宁波拓普智能刹车系统有限公司 | Electromagnetic valve noise test system of automobile electromechanical-hydraulic composite braking system |
-
2016
- 2016-01-28 CN CN201620087689.0U patent/CN205506366U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106502192A (en) * | 2016-10-26 | 2017-03-15 | 长飞光纤光缆股份有限公司 | A kind of optical fiber proof-tester Quick-speed braking arrangement and method |
| CN110926595A (en) * | 2019-11-28 | 2020-03-27 | 宁波拓普智能刹车系统有限公司 | Electromagnetic valve noise test system of automobile electromechanical-hydraulic composite braking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20210128 |