CN208596044U - Micro-control train brake mechanism experiment level pressure converting system and its actuator - Google Patents
Micro-control train brake mechanism experiment level pressure converting system and its actuator Download PDFInfo
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- CN208596044U CN208596044U CN201821323335.7U CN201821323335U CN208596044U CN 208596044 U CN208596044 U CN 208596044U CN 201821323335 U CN201821323335 U CN 201821323335U CN 208596044 U CN208596044 U CN 208596044U
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Abstract
The utility model relates to a kind of micro-control train brake mechanism experiment level pressure converting system and its actuators, level pressure converting system includes control device, actuator, tail pressure device, control device includes main control computer, and main control computer receives train-examiner and instructs and control the actuator movement；Actuator includes relay valve, solenoid valve, gas path plate, pressure sensor, controller, and relay valve is connect with the gas path plate；The air inlet of gas path plate is connect with wind regime, and air outlet connects solenoid valve for connecting train brake pipe, control mouth, and solenoid valve has air draft solenoid valve, pressure maintaining solenoid valve, fills wind-powered electricity generation magnet valve；Tail pressure device includes electronic wind meter.The system can shorten the activity duration, reduce labor intensity, improve vehicle operation efficiency, provide guarantee for train application safety.
Description
Technical field
The utility model relates to train braking technical fields, and in particular to a kind of micro-control train brake mechanism experiment level pressure conversion
System and its actuator.
Background technique
During 1949 to 1958, China railways passenger train and goods train air duct pressure are 500KPa.1958
Nian Hou, railway freight increase in demand cause vehicle in short supply." lorry increment of load is made according to actual conditions at that time by the Ministry of Railways
The decision of (50 tons of vehicles fill 60 tons of goods) ".After increment of load, there are some problems in vehicle, as train braking apart from too long, brake force not
The problem of foot.Then, passenger train and goods train air duct pressure are increased to 600kPa from 500kPa by the Ministry of Railways, to guarantee to make
Dynamic safety.But bogie braking system part deformation caused by just occurring because of air duct pressure raising thereupon falls off, air hose is quick-fried
The accidents such as broken, wheel flat.In view of many drawbacks of goods train air duct pressure bring are improved, 1962, iron was assigned by the Ministry of Railways
Art stone (62) the 171st order determine goods train air duct pressure to adjust back 500kPa from 600kPa, but in order to guarantee to grow
The brake safe of steep gradient, the Ministry of Railways require each Railway Bureau's tissue to try the section for feeling the need to retain 600kPa wind pressure
It tests, and the Ministry of Railways is reported to authorize.From this, goods train is formally determined using the situation of two kinds of wind pressure, and is continued to this day.
Some Railway Bureaus regulation, " meeting and reaching train supervisor's wind pressure level pressure is 600kPa and feelings that while originating is 500kPa
Condition must be pulled first when station inspector operation by and alleviate a valve rod, empty the auxiliary reservoir lingering remnants of past customs, after implementing air draft pressure regulation to vehicle,
Locomotive brake total Test is carried out again ".600kPa wind pressure conversion 500kPa needs artificial air draft operation mode to complete, this work
Industry mode has the following problems:
(1), operating efficiency is low, and operation labor intensity is high.One train column few then more than four or five ten, Duo Zeliu more than 70
, or even close to hundred, each car, which pulls, to be alleviated valve rod, empties the auxiliary reservoir lingering remnants of past customs, and workload is very big, and efficiency is very low.
(2), extend the car team activity duration.At present train (transfer is reached, originated) skill examine the time 30 minutes or so, by
Graduated release valve air draft is pulled, the air draft used time is very long, occupies the skill inspection time of train significantly, influences the Transportation Organization of train, reduce
The conevying efficiency of goods train.
(3), there are the traffic safety hidden danger of individual vehicle improper release.Due to by column inspection car team activity duration restriction and people
Work individual factors influence, each vehicle auxiliary reservoir air draft operation quality of car team not fully reaches alleviation sometimes and requires, i.e., secondary wind
Cylinder wind pressure does not reach requirement, therefore there are traffic safety hidden danger.
Utility model content
The purpose of the utility model is to provide a kind of micro-control train brake mechanism experiment level pressure converting systems, to replace existing wind
Pressure conversion is improved operating efficiency, is solved the problems, such as vehicle improper release using the operation mode of artificial air draft.This is practical new simultaneously
Type also provides actuator used in one kind level pressure converting system.
To achieve the above object, the utility model micro-control train brake mechanism experiment level pressure converting system uses following technical side
Case: micro-control train brake mechanism experiment level pressure converting system, including control device, actuator, tail pressure device, control device include master
Computer is controlled, main control computer receives train-examiner and instructs and control the actuator movement；Actuator includes relay valve, electromagnetism
Valve, gas path plate, pressure sensor, controller, relay valve are connect with the gas path plate；The air inlet of gas path plate is connect with wind regime,
Air outlet connects solenoid valve for connecting train brake pipe, control mouth, and solenoid valve has air draft solenoid valve, pressure maintaining solenoid valve, fills wind
Solenoid valve；Actuator receives and executes main control computer instruction, and returns wind regime wind pressure, brake pipe stem wind to main control computer
Press data；Tail pressure device includes electronic wind meter, and electronic wind meter is for acquiring train brake pipe tail wind pressure and by wind pressure data
Reach main control computer.
Further, the control device further includes communication adapter, hand-held set, and communication adapter includes Vehicle mounted station, solution
Code plate, train-examiner issue operational order to the main control computer by hand-held set, and Vehicle mounted station receives the instruction of the hand-held set
And it is decoded it by decoding deck, and decoded data are transmitted to main control computer.
Further, the actuator is two-way actuator, is denoted as the first actuator, the second actuator, the first actuator,
Second actuator is mutually indepedent on the control circuitry, and the first actuator, the second actuator respectively include above-mentioned relay valve, electricity
Magnet valve, gas path plate, pressure sensor, controller.
Further, the tail pressure device further includes short column tail pressure transit depot, the brake pipe tail portion wind of electronic wind meter acquisition
Pressure wirelessly uploads to main control computer through short column tail pressure transit depot.
Further, the solenoid valve is electronics constant pressure valve.
Further, the pressure sensor and controller are arranged in protection box, and pressure sensor has wind regime pressure biography
Sensor, in pressure sensor, column wind pressure force snesor.
The utility model actuator adopts the following technical scheme that actuator, including cabinet and be located in the box body relay valve,
Solenoid valve, gas path plate, pressure sensor, controller, relay valve are connect with the gas path plate；The air inlet of gas path plate is used for and wind
Source connection, air outlet connect solenoid valve for connecting train brake pipe, control mouth；Solenoid valve has air draft solenoid valve, pressure maintaining electromagnetism
Valve fills wind-powered electricity generation magnet valve；Controller can receive and execute the instruction of main control computer, and to main control computer passback wind regime wind pressure,
Brake pipe stem wind pressure data.
Further, the actuator is two-way actuator, is denoted as the first actuator, the second actuator, the first actuator,
Second actuator is mutually indepedent on the control circuitry, and the first actuator, the second actuator respectively include above-mentioned relay valve, electricity
Magnet valve, gas path plate, pressure sensor, controller.
Further, the pressure sensor and controller are arranged in protection box, and pressure sensor has wind regime pressure biography
Sensor, in pressure sensor, column wind pressure force snesor.
The utility model has the beneficial effects that the utility model micro-control train brake mechanism experiment level pressure converting system, main to wrap
Include control device, actuator, several parts of tail pressure device, when practical application, control device is arranged in duty room, and actuator is mounted on
It dispatches a car between live station track end, tail pressure terminal is mounted on the tail portion between station track.Control device can receive hand-held set or person on duty
Instruction is received, is analyzed and determined, the wind pressure number of record actuator and electronic wind meter passback to actuator, electronic wind meter forwarding instruction
According to, working environment parameter.Main control computer has access to brake pipe stem and tail wind pressure in real time, is controlled and is executed according to different situations
Device movement is completed to control the filling of car team, air draft, reaches and adjust checking cylinder and auxiliary reservoir wind pressure, realize car team by actuator
The purpose that wind pressure is converted from wind pressure 600KPa to 500Kpa.The system replaces manually, shortening the activity duration, and it is strong to reduce labour
Degree, improves vehicle operation efficiency, provides guarantee safely for train, has a extensive future, and can generate higher society's effect
Benefit and economic benefit.
Detailed description of the invention
Fig. 1 is actuator, electronic wind meter and car team in the utility model micro-control train brake mechanism experiment level pressure converting system
Connection schematic diagram；
Fig. 2 is that the structural schematic diagram of actuator in the utility model micro-control train brake mechanism experiment level pressure converting system (is beaten
It unpacks after covering)；
Fig. 3 is the structural schematic diagram of control section in Fig. 2；
Fig. 4 is the perspective view of the explosion of Fig. 3；
Fig. 5 is the live general assembly drawing of actuator in the utility model micro-control train brake mechanism experiment level pressure converting system.
The corresponding title of appended drawing reference in figure: 1, main control computer, 2, air accumulator, 3, hand-held set, the 4, first actuator, 5,
Second actuator, 6, electronic wind meter, 7, short column tail pressure transit depot, 8, fill wind-powered electricity generation magnet valve, 9, pressure maintaining solenoid valve, 10, air draft electromagnetism
Valve, 11, protection top cover, 12, protection middle cover, 13, gas path plate, 14, relay valve, 15, wind regime pressure sensor, 16, in equal pressure
Sensor, 17, column wind pressure force snesor, 18, control circuit module, 19, blast main, 20, cabinet, 21, case lid, 22, grease point
From device, 23, train pipe hose, 24, examination wind electrical box, 25, cable is into hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
The embodiment of the utility model micro-control train brake mechanism experiment level pressure converting system: micro-control train brake mechanism experiment is fixed
Converting system is pressed, mainly includes hardware and software two large divisions, using multithreading integration technology, collection acquires and is controlled in one,
Are filled by air draft and is carried out automatically controlling, and draws train pipe wind pressure curve for the acquisition of train pipe wind pressure, actuator.But, this is practical new
Type does not protect software section.Hardware components are made of duty room equipment and field device.
Specifically, as Figure 1-Figure 5, micro-control train brake mechanism experiment level pressure converting system, including control device, execution
Device, tail pressure device, communications optical cable, power cable, air pipe line.Control device includes main control computer 1, hand-held set 3, communication adaptation
Device, optical fiber switch, communication distribution box, printer, these control devices partly belong to duty room equipment, are located in duty room.
Actuator, tail pressure device, communications optical cable, power cable, air pipe line belong to field device.Actuator cabinet and setting are in cabinet
Relay valve 14, solenoid valve, gas path plate 13, pressure sensor, controller.Tail pressure device includes that tail pressure device includes electronic wind meter
6, short column tail pressure transit depot 7.Electronic wind meter 6 is by acquiring train brake pipe tail wind pressure and wind pressure data being uploaded to based on master control
Calculation machine 1, the brake pipe tail wind pressure that electronic wind meter 6 acquires wirelessly upload to master control through short column tail pressure transit depot 7 and calculate
Machine 1.
Control device is the system core, receives hand-held set 3 or person on duty's instruction, is referred to actuator, the forwarding of electronic wind meter 6
It enables, receives, analyzes and determines, wind pressure data, the working environment parameter of record actuator and electronic wind meter passback, and periodically check and correction is held
Row device.
Communication adapter includes Vehicle mounted station, decoding deck, Switching Power Supply, decoding deck also decoder, CAN converter.Vehicle mounted station
The instruction of hand-held set 3 is received, test instructions is dtmf code, need to be decoded it by the decoder of decoding deck, and will be after decoding
Data be transmitted to main control computer 1.When main control computer 1 plays voice prompting, decoding deck controls the PTT of Vehicle mounted station.
Main control computer 1 is equipped with upper computer software, and referred to as train brake mechanism experiment level pressure conversion and control software can also.On
Position machine software uses the Object-Oriented Systems of Delphi programming tool exploitation, and system uses C/S framework, Paradox database.It is existing
Field train-examiner issues operational order to main control computer 1 by hand-held set or upper computer software, and instruction passes through communications optical cable and transmits
In CPU board into live actuator, CPU board is mainly made of singlechip chip, in the present embodiment, single-chip microcontroller model
C8051F005.When certain station track car team start to fill, air draft when, the actuator of main control computer 1 and car team stem, car team tail portion
Electronic wind meter carries out data communication, sends control instruction to the actuator according to control process and processing result.Master control calculates
Machine 1 has access to brake pipe stem and tail wind pressure in real time, according to different situation control actuator movements, fill, air draft test knot
Trial curve and test result are automatically saved when beam.
Actuator installation is dispatched a car between station track end at the scene, and tail presses terminal to be mounted on the tail portion between station track.Actuator receives
And main control computer instruction is executed, and return wind regime wind pressure, brake pipe stem wind pressure data to main control computer.Actuator is double
Road actuator, two-way are denoted as the first actuator 4, the second actuator 5 respectively, and the first actuator 4, the second actuator 5 are in control electricity
Road is mutually indepedent, being capable of complete independently level pressure transfer test function.First actuator 4, the second actuator 5 respectively include
Relay valve 14, solenoid valve, gas path plate 13, pressure sensor, controller further include the component for having auxiliary, and such as oil water separator adds
Hot pin, heating rod are arranged in gas path plate.Since sensor needs under certain operating temperature, it is just able to achieve its high-precision,
Therefore it needs that heating rod is arranged, controls whether heating rod is opened according to actual operating temperature.
As shown in Figs. 3-4, the structure per actuator all the way is as follows, and relay valve 14 is connect with gas path plate 13；Gas path plate 13
Air inlet is connect with wind regime, and air outlet connects solenoid valve for connecting train brake pipe, control mouth, and solenoid valve has air draft solenoid valve
10, pressure maintaining solenoid valve 9, fill wind-powered electricity generation magnet valve 8.Pressure sensor and controller are arranged in protection box, and protection box has protection top cover
11, middle cover 12 is protected, protection box is located on the upside of gas path plate.Gas path plate 13 is integrated gas path plate.Pressure sensor has wind regime pressure
Force snesor 15, in pressure sensor 16, column wind pressure force snesor 17.Wind regime pressure sensor 15 is used to detect total wind regime
Pressure；In pressure sensor 16 be used to detect the pressure of equal room in relay plate；Column wind pressure force snesor 17 is used to acquire column
Vehicle pipe pressure.
The task of controller is to receive and execute main control computer instruction, and pass through circuit controling electromagnetic valve, heating rod etc.,
The front braking manage-style pressure and actuator internal temperature data that will test are returned to main control computer.Controller is by monolithic machine core
Piece (C8051F005), output control circuit, solenoid valve control circuit, heating rod control circuit, CAN telecommunication circuit composition.
Controller CPU board is realized and main control computer serial communication by communication bus.
Pressure sensor using direct current+24V power, export 0~10mV of direct current voltage, measurement range be 0~
1000kPa.Pressure sensor by wind regime, brake pipe, in room wind pressure signal be converted into electric signal for CPU board acquire.CPU board
The sample frequency for acquiring pressure sensor is 1kHz, sends and is divided into 10ms between the data time of computer.
The solenoid valve used in actuator is electronics constant pressure valve, using high-precision pressure sensor, duty ratio type solenoid valve,
Realize that electronics level pressure, level pressure and decompression precision are high.According to the duty ratio of setting, solenoid valve is adjusted with the high-speed switch of different frequency
Save in relay valve 14 room wind pressure, make the wind pressure of brake pipe in the variation of equal room wind pressure and change, it is final to realize that control is made
Dynamic manage-style pressure.
The communication mode used in the present embodiment is as follows:
Computer carries out wire communication by serial port one, CAN converter, communication cable and actuator.Hand-held set 3 and value
Class's room communication adapter is carried out wireless communication using dedicated frequency range (being determined according to column inspection operation field situation).Computers and Communication is suitable
Orchestration carries out wire communication by serial port one (sharing serial ports with actuator).Computer by serial port two, CAN converter,
Communication cable and tail pressure terminal carry out wire communication.It is wireless communication between electronic wind meter and tail pressure terminal.
The utility model micro-control train brake mechanism experiment level pressure converting system is mounted on railway freight-car column inspection operation field, mainly
Function automatic identification car team 600 or 500kPa wind pressure are automatically shifted to 500kPa to 600kPa car team main line, and there are extendible
Train brake mechanism experiment performance interface.
Car team brake fills, air draft is tested:
1, automatic identification car team 600 or 500kPa wind pressure
When car team wind pressure is 600kPa, live train-examiner inputs instruction code, system according to Bus Schedules hand-held set
Meeting automatic identification car team wind pressure, and turn 500kPa program automatically into 600kPa.When car team wind pressure is 500kPa, scene inspection vehicle
Member inputs instruction code, system automatic identification car team wind pressure according to Bus Schedules hand-held set, and tries wind automatically into brake
Test procedure.
2, level pressure transfer test (train that level pressure 600kPa turns 500kPa need to be made)
When car team brake pipe wind pressure is 600kPa, 50kPa to 550kPa, full column pressure maintaining 1min are depressurized in actuator air draft,
Then actuator depressurizes 170kPa to 380kPa, full column pressure maintaining 1min again, then fills wind to level pressure 500kPa, and full train can be sent out
Raw natural remission.
3, Chu Chongfeng
When wind regime wind pressure is not less than 650kPa, train brake pipe just fills wind and is not surpassed by 0 to 600~610kPa of level pressure time
Cross 9min.After train brake pipe reaches authorized pressure, last vehicle of train pressure of vehicle table must not exceed with electronic wind meter pressure difference
20kPa。
4, sensitivity pressure maintaining is tested
Service application position is set, decompression 50kPa (depressurizes 70kPa when marshalling 60 or more), the raw braking action of full train beard and hair；
Pressure maintaining simultaneously, the train main pipe pressure decline that wireless wind pressure monitor show in 1min are not more than 20kPa, must not send out in 3min
Raw natural remission, and confirm that piston travel is without exception.Then it sets driving position and fills wind alleviation, full train must be sent out in 1min
Raw relaxation effect.
5, stabilize test
Service application position is set, decompression 140kPa (train main pipe pressure depressurizes 170kPa when being 600kPa) must not occur tight
Anxious braking, and whether the piston travel for confirming that sensitivity pressure maintaining test notes abnormalities meets regulation.Pressure maintaining 1min, train system
Dynamic pipe, which is sewed, must not exceed 20kPa, and piston travel must meet regulation.
6, simplified test
Wireless wind pressure monitor is installed on last tailstock portion air-brake coupling hose of train, confirmation train tube pressure reaches rule
After fixed, notice engine drivers in locomotive depot depressurizes 100kPa, and tail portion train-examiner confirms that braking action occurs for last vehicle braking the cylinder piston
Afterwards, mitigation signal is shown to engine drivers in locomotive depot and confirm that relaxation effect occurs for last vehicle braking the cylinder piston.
The utility model micro-control train brake mechanism experiment level pressure converting system has following characteristics, and (1) can complete " railway freight-car
Application and maintenance regulation " (iron transports [2010] No. 141), " passenger train application and maintenance regulation " (iron transports [2006] No. 27), " microcomputer control
Omnibus train brake experiment standard processed " (fortune dress car [2010] 233), " micro-control omnibus train brake experiment system skill
Art condition " repertoire in (fortune tubulature test [2010] No. 292) about train brake mechanism experiment.(2) high-precision pressure is used
Sensor, duty ratio type solenoid valve realize electronics level pressure, and level pressure and decompression accuracy of measurement are high, are better than 1kPa.(3) using a row
Wind duty ratio type solenoid valve realizes different marshalling several stable retardation test decompression rates: 25~40kPa/s.(4) one is used
Body gas path plate, flanged joint, small in size, compact-sized, air-tightness is good, and actuator leak volume itself is less than 1kPa/min.(5)
Record test process in detail, computer picture can choose display brake pipe stem pressure, brake pipe tail portion pressure, wind regime pressure
Change over time curve.(6) computer interface can show the decompression rate of braking sensibility pressure maintaining test, stable test automatically.(7)
It using low-power wireless digital transmission module, can be used continuously 7 days after electronic wind meter charging, effectively overcome high-power wireless number biography
The shortcomings that module antenna mismatches, high failure rate, greatly improves battery.(8) short column tail pressure transit depot is directly embedded
Between service line, short column tail pressure transit depot and electronic wind meter can straight line line-of-sight propagation, thorough dead zone-eliminating, can passband reach
99.9%, it is truly realized brake experiment and is subject to tail portion pressure.(9) it uses electronic wind meter and computer is right with teams and groups number
It answers, it is easy to operate, it greatly reduces with service line as corresponding test data sheet Loss.(10) two-way actuator exists simultaneously
Line really realizes online backup, it is ensured that uninterrupted operation.The operation simultaneously of two trains can be carried out simultaneously, save test period.
(11) FFSK modulation system, forward error correction (FEC) error-control technique are used, data transmission is stablized, can passband it is high, ensured number
According to reliability；Using intelligent decision technology, analysis reaches train main pipe pressure, automatic to carry out level pressure conversion.
In certain rolling stock section, overhaul shop completes small number (8) car team experimental test 26 times.Tables 1 and 2 is therein
Test data twice.When test, respectively car team the 1st, 2,3,5, the auxiliary reservoirs of 7 vehicles installs pressure detecting instrument, and records
Each data of pressure change and the brake condition of vehicle.Test result reaches statistics indicate that system performance meets design requirement
The target of design can satisfy live use；Has the item for carrying out big several car team level pressure transfer test tests at the scene
Part.
The utility model micro-control train brake mechanism experiment level pressure converting system is in certain rolling stock section's overhaul shop and uses workshop
It tested, tried out.Test, result on trial show that this system is reliable and stable, easy to operate, shorten the activity duration, reduce
Labor intensity improves vehicle operation efficiency, provides guarantee for rail vehicle application safety, meets the needs at scene, obtains
The consistent affirmative of field personnel.The utility model micro-control train brake mechanism experiment level pressure converting system application prospect is wide
It is wealthy, higher Social benefit and economic benefit can be generated.
Table 1 first time test data
Second of the test data of table 2
The embodiment of the utility model actuator, the structure and principle of actuator and above-mentioned micro-control train brake mechanism experiment are fixed
It presses structure, the principle of actuator in converting system embodiment identical, is no longer described in detail.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, make any variation in its shape or structure, it is all that there is same as the present application or phase
Approximate technical solution, all falls within the protection scope of the utility model.
Claims (9)
1. micro-control train brake mechanism experiment level pressure converting system, it is characterised in that: including control device, actuator, tail pressure device,
Control device includes main control computer, and main control computer receives train-examiner and instructs and control the actuator movement；Actuator packet
Relay valve, solenoid valve, gas path plate, pressure sensor, controller are included, relay valve is connect with the gas path plate；The air inlet of gas path plate
Mouth is connect with wind regime, and air outlet connects solenoid valve for connecting train brake pipe, control mouth, and solenoid valve has air draft solenoid valve, protects
Pressure electromagnetic valve fills wind-powered electricity generation magnet valve；Actuator receives and executes main control computer instruction, and returns wind regime wind to main control computer
Pressure, brake pipe stem wind pressure data；Tail pressure device includes electronic wind meter, and electronic wind meter is for acquiring train brake pipe tail wind pressure
And wind pressure data is uploaded to main control computer.
2. micro-control train brake mechanism experiment level pressure converting system according to claim 1, it is characterised in that: the control dress
Setting further includes communication adapter, hand-held set, and communication adapter includes Vehicle mounted station, decoding deck, and train-examiner is by hand-held set to described
Main control computer issues operational order, and Vehicle mounted station receives the instruction of the hand-held set and decoded it by decoding deck, and will solution
Data after code are transmitted to main control computer.
3. micro-control train brake mechanism experiment level pressure converting system according to claim 1 or 2, it is characterised in that: described to hold
Row device is two-way actuator, is denoted as the first actuator, the second actuator, the first actuator, the second actuator are on the control circuitry
Independently of each other, the first actuator, the second actuator respectively include above-mentioned relay valve, solenoid valve, gas path plate, pressure sensing
Device, controller.
4. micro-control train brake mechanism experiment level pressure converting system according to claim 1 or 2, it is characterised in that: the tail
Pressure device further includes short column tail pressure transit depot, and the brake pipe tail wind pressure of electronic wind meter acquisition is wirelessly through in doll tail pressure
Turn station and uploads to main control computer.
5. micro-control train brake mechanism experiment level pressure converting system according to claim 1, it is characterised in that: the solenoid valve
For electronics constant pressure valve.
6. micro-control train brake mechanism experiment level pressure converting system according to claim 1, it is characterised in that: the pressure passes
Sensor and controller are arranged in protection box, pressure sensor have wind regime pressure sensor, in pressure sensor, column wind pressure
Sensor.
7. actuator, it is characterised in that: including cabinet and be located in the box body relay valve, solenoid valve, gas path plate, pressure sensing
Device, controller, relay valve are connect with the gas path plate；The air inlet of gas path plate with wind regime for connecting, and air outlet is for connecting
Train brake pipe, control mouth connect solenoid valve；Solenoid valve has air draft solenoid valve, pressure maintaining solenoid valve, fills wind-powered electricity generation magnet valve；Controller can
The instruction of main control computer is received and executed, and returns wind regime wind pressure, brake pipe stem wind pressure data to main control computer.
8. actuator according to claim 7, it is characterised in that: the actuator is two-way actuator, is denoted as first and holds
Row device, the second actuator, the first actuator, the second actuator are mutually indepedent on the control circuitry, and the first actuator, second execute
Device respectively includes above-mentioned relay valve, solenoid valve, gas path plate, pressure sensor, controller.
9. actuator according to claim 7, it is characterised in that: the pressure sensor and controller are arranged in protection box
It is interior, pressure sensor have wind regime pressure sensor, in pressure sensor, column wind pressure force snesor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821323335.7U CN208596044U (en) | 2018-08-16 | 2018-08-16 | Micro-control train brake mechanism experiment level pressure converting system and its actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821323335.7U CN208596044U (en) | 2018-08-16 | 2018-08-16 | Micro-control train brake mechanism experiment level pressure converting system and its actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596044U true CN208596044U (en) | 2019-03-12 |
Family
ID=65605107
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821323335.7U Expired - Fee Related CN208596044U (en) | 2018-08-16 | 2018-08-16 | Micro-control train brake mechanism experiment level pressure converting system and its actuator |
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| Country | Link |
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| CN (1) | CN208596044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030036A (en) * | 2018-08-16 | 2018-12-18 | 郑州智辆电子科技有限公司 | Micro-control train brake mechanism experiment level pressure converting system and its actuator |
| CN112298267A (en) * | 2020-09-30 | 2021-02-02 | 眉山中车制动科技股份有限公司 | Method for preventing vehicle from contracting brake when cargo train is converted from 600kPa constant pressure to 500kPa constant pressure |
-
2018
- 2018-08-16 CN CN201821323335.7U patent/CN208596044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030036A (en) * | 2018-08-16 | 2018-12-18 | 郑州智辆电子科技有限公司 | Micro-control train brake mechanism experiment level pressure converting system and its actuator |
| CN112298267A (en) * | 2020-09-30 | 2021-02-02 | 眉山中车制动科技股份有限公司 | Method for preventing vehicle from contracting brake when cargo train is converted from 600kPa constant pressure to 500kPa constant pressure |
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