CN209432381U - A kind of air tightness detection system of EMU brake apparatus - Google Patents
A kind of air tightness detection system of EMU brake apparatus Download PDFInfo
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- CN209432381U CN209432381U CN201920423560.6U CN201920423560U CN209432381U CN 209432381 U CN209432381 U CN 209432381U CN 201920423560 U CN201920423560 U CN 201920423560U CN 209432381 U CN209432381 U CN 209432381U
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 238000003032 molecular docking Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model relates to a kind of air tightness detection systems of EMU brake apparatus, including operation panel, PLC and pipe-line system；PLC connecting line system to the parameter information in acquisition pipe-line system and controls pipe-line system；Operation panel connects PLC, receives pipeline system information and sends control instruction to PLC.Intelligent measurement test is realized in the utility model device integrated intelligence control system and large screen display, is recorded monitoring data, is not necessarily to personnel's long-term monitoring in detection process, is operated convenient intuitive；It is directed to bogie pipeline simultaneously, special project devises rapid abutting joint tooling, realizes that pipeline quickly connects, significantly improves working efficiency；Device systems are internally embedded startup self-detection function, and experimental data deviates caused by avoiding because of equipment fault；Steady rail excessively in moving process may be implemented.
Description
Technical field
The utility model relates to the air-leakage test field of EMU brake apparatus, specifically a kind of EMU braking
The air tightness detection system of device.
Background technique
In the course of emu operation, the safety of braking system personnel and train has vital effect.Motor-car
Braking system is using aerobraking, therefore the air-tightness of its system directly affects the reliability of motor-car braking, therefore, motor-car
In maintenance process, the air-leakage test of brake apparatus is a particularly important node.
At present on the market also have similar device, but there are following some problems:
Manually or semi-automatic operation, operator is needed to control monitoring in the whole process, piping connection bothers when operation,
It is long to occupy personnel time for low efficiency；
Without self-checking function, it will appear experimental data mistake if leaking occurs in equipment itself.And it is existing using pressurized cylinder
The device of pressure is supplemented, noise is big, and impact is big, is easy to influence test accuracy.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of air tightness detection system solution of EMU brake apparatus
The certainly existing device using pressurized cylinder supplement pressure, noise is big, and impact is big, is easy to influence test accuracy problem.
The utility model technical solution used for the above purpose is:
A kind of air tightness detection system of EMU brake apparatus, including operation panel, PLC and pipe-line system；PLC connection
Pipe-line system to the parameter information in acquisition pipe-line system and controls pipe-line system；Operation panel connects PLC, receives
Pipe-line system information simultaneously sends control instruction to PLC；Pipe-line system includes:
Wind regime entrance quick coupling connects external gas source, accesses gas source, the wind regime entrance quick coupling other side passes through pipeline
The input terminal of wind regime valve is connected, the output end of wind regime valve passes through the input terminal of piping connection air accumulator；Pressure is set in built in gas tank
Force snesor, pressure sensor connect PLC, acquire the pressure signal in air accumulator, are sent to PLC；The input terminal of air accumulator connects
Air compressor machine is connect, air compressor machine provides compressed air for air accumulator and carries out pressurization compensation；The lower part of air accumulator is connected to by sewage pipe
Blowdown valve group passes through manual ball valve control of sewage disposal；The output end of air accumulator passes through the input terminal of piping connection vacuum tank, and is storing up
Set scale valve on pipeline between gas tank and vacuum tank；The output end of vacuum tank is empty by the output compression of several independent pipelines
Steam supply valve is arranged in each independent pipeline as the output of pipe-line system in gas.
The wind regime valve, proportioning valve and steam supply valve are solenoid valve, and connect PLC, receive PLC send control signal into
The control of row on-off.
First filter and the first check valve, and the first mistake are set between the wind regime entrance quick coupling and wind regime valve
The input terminal of the output end of filter and the first check valve passes through pipeline connection；By first filter by enter pipeline wind regime into
Row filtering；First check valve is used to prevent the compressed air reverse flow in pipeline.
In the output end setting outlet pipe valve of the air compressor machine, setting second is unidirectional between outlet pipe valve and air accumulator
Gas exhaust piping is arranged between outlet pipe valve and second one-way valve in valve, and first row air valve is arranged in gas exhaust piping；
The outlet pipe valve connects PLC with first row air valve, receives the control signal that PLC is sent and carries out on-off control, the
Two check valves are used to prevent the compressed air reverse flow in pipeline.
Discharge pipe line is set in the lower part of the air compressor machine, drain cock, drain cock connection are set in discharge pipe line
PLC receives the control signal that PLC is sent and carries out on-off control.
The second filter is set between the output end and proportioning valve of the air accumulator, the compressed air that air accumulator is exported
It is filtered.
Sensor is set on the independent pipeline of the steam supply valve output end, and sensor connects PLC, acquires in independent pipeline
Pressure signal is sent to PLC；Gas exhaust piping is set between sensor and steam supply valve, exhaust valve is set in gas exhaust piping, is arranged
Air valve connects PLC, receives the control signal that PLC is sent and carries out on-off control.
The blowdown valve group is installed on valve by blowdown valve seat, blowdown valve, fast twist-on head and quick connector composition, fast twist-on head
Seat import, is connected by hose with air accumulator, air compressor machine, and blowdown valve is installed on the outlet of blowdown seat, and the installation of the ball valve other end is fast to insert
Connector installs blowdown hose on connector.
The blowdown valve is ball valve.
Sewage and impurity (manual) in gas can be periodically discharged in the blowdown valve group, it is ensured that detection is cleaned with gas, it is ensured that
Detection is accurate, avoids pollution damage by side apparatus system.
The utility model has the advantages that and advantage:
Personnel's long-term monitoring is not necessarily in device detection procedure, device systems are internally embedded startup self-detection function, avoid because setting
Standby failure causes experimental data to deviate, and improves efficiency, and reduces labor intensity, reduces personnel's holding time, avoids because of equipment certainly
Body leakage problem leads to actual experiment data deviation, and noise is small, impacts small, test accuracy height.
Detailed description of the invention
Fig. 1 is the system construction drawing of the utility model；Wherein 1 be operation panel, 2 be power supply line, 3 be first pressure sensing
Device, 4 be second pressure sensor, 5 be third pressure sensor, 6 be the 4th pressure sensor, 7 be electric box, 8 be air compressor machine,
9 it is blowdown valve group, 10 be rapid abutting joint tooling, 11 be docking panel, 12 be the first water-separating gas filter, 13 be air accumulator, 14 is
Vacuum tank, 15 be valve block control system, 16 be the second water-separating gas filter；
Fig. 2 is the pipe-line system structure chart of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented in many other ways than those described herein, this field skill
Art personnel can do similar improvement without prejudice to utility model intension, therefore the utility model is not by following public
The limitation of specific implementation.
It should be noted that be referred to as " being set to " another element when element, it may directly on the other element,
Or there may also be elements placed in the middle.When an element is known as " connection " another element, it be can be directly connected to separately
One element may be simultaneously present centering elements.It is used herein to belong to "front", "rear", "left", "right" and similar
Statement for illustrative purposes only, be not offered as unique embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.It is intended merely to herein in the term used in the description of utility model
The purpose of specific embodiment is described, it is not intended that in limitation the utility model.
The electrical cabinet structure being related in the utility model and valve block control system etc. are conventional selection, and the utility model
Innovation is had no on software and programming, only protects the structure technologies feature such as hardware annexation and positional relationship, this field
The utility model function can be realized in conjunction with conventional programming logic in the structure feature that technical staff is recorded by the utility model,
Solve the utility model technical problem.
It is as shown in Figure 1 the system construction drawing of the utility model.
A kind of EMU brake apparatus tightness test system, including it is mobile trolley car body, silent air compressor, electrical
Case, valve block control system, operation panel, device external are equipped with operating surface without exposed pipeline, route, mobile trolley car body
Plate, docking panel, silent air compressor, air accumulator, electric box, valve block control system, blowdown valve group；2 are integrated in trolley
A mute wheel of 8 inch, 4 mute wheels of 2.5 inch, collectively constitutes steady rail device；Brake is installed in trolley bottom, can stop
Braking parking is carried out when only walking；It include a large screen industry embedded flat computer, a damping pressure on operation panel
Protection cap is arranged at power table, a rotary type power switch, operation panel top, is equipped with damping spring and realizes that the overturning of protection cap is fixed
Position；Quick positioning tool is deposited in the storage tank of trolley, is connect with pressure hose is surveyed by quick coupling, and when use takes out
It realizes quickly with tested pipeline joint, surveys the pressure hose other side and docked with corresponding quick coupling on docking panel.
(1) mobile trolley car body: for carrying and integrating other each comprising modules；
(2) silent air compressor: being installed on vehicle body by Shock-proof bolt, for supplementing adjustment system gas pressure；
(3) the 8 mute wheels of inch: being installed on trolley bottom, totally 2, is movably walking for trolley, by with 4 2.5 inch
Mute wheel cooperation realization is steady to cross rail, solves the situation that most of steamboat equipment cross rail difficulty；
(4) electric box: the main equipment electric elements of integrated equipment, for handling various controls, feedback information, analysis,
Solenoid valve and ratio valve events are controlled, system pressure and test pressure, built in self testing are adjusted；
(5) brake: being installed on trolley bottom, parking when for stopping, and equipment skidding is avoided to slip by slope；
(6) the 2.5 mute wheels of inch: being installed on trolley bottom, totally 4, is movably walking for trolley, by with 28 inch
Mute wheel cooperation realization is steady to cross rail；The walking mechanism of existing 4 wheel of use, rail difficulty excessively is unstable, is easy to be stuck in track groove.
(7) air accumulator: being installed on inside trolley, for storing compressed air, stored energy, and provides fast ram compression
Power, flow-compensated, systems stabilisation pressure；
(8) it docks panel: being installed on inside trolley, fast quick access is tested comprising gas source connector, power supply line, pressure maintaining in inside
3, mouth, for connecting equipment power supply, gas source and test pipeline；
(9) valve block control system: being installed on car interior, and there is maintenance door in side, for receiving, executing electrical command and anti-
Air-channel system information is presented, is internally integrated and air filter is installed, oil removal filter, electric Proportion valve, solenoid valve, all electromagnetism
Valve control member all integrates in this module, easy access；
(10) blowdown valve group: being installed on trolley side, condensed water for being discharged in air compressor machine and air accumulator and miscellaneous
Matter；
(11) operation panel: comprising industrial embedded flat computer, pressure gauge, power switch etc., it is installed on trolley
Side, condensed water and impurity for being discharged in air compressor machine and air accumulator avoid imaging system stability, and sewage draining exit is all concentrated
In this module, convenient for operation；
(12) rapid abutting joint tooling: testing pipeline for rapid abutting joint bogie, by the U-shaped opening of tooling by tooling sleeve
On by side pneumatic system interface, rear portion locking nut is then tightened, is realized quickly and by the lossless leak-free connection of side system.
It is illustrated in figure 2 the pipe-line system structure chart of the utility model.
Wherein component corresponding relationship see the table below:
Pipe-line system connects control planning are as follows: wind regime entrance quick coupling connection external gas source (gas source in Motor Car Institute) is to set
Standby test provides air pressure, and the quick coupling other side passes through pipeline by piping connection filter AF01, filtered compressed air
Into check valve AK01 (avoiding compressed air reverse flow), wind regime valve F01 entrance is connected by pipeline behind check valve AK01,
The wind regime valve is solenoid valve, as compressed air control switch.The outlet wind regime valve F01, to air accumulator PG1, is given by piping connection
Air accumulator provides compressed air, and individually external wind regime is unable to satisfy test pressure requirement, increases silent air compressor offer pressurization and mends
It repays, air compressor machine imports 10L air accumulator PG1 later, has pressure sensor 1 that pressure signal is transferred to PLC on air accumulator PG1, grasps
Make the PLC connection that panel passes through data line and electric box, receive feedback signal and assigns instruction, PLC and each electrical execution, acquisition
Element is connected by route, is handled the information of acquisition, the instruction that host computer issues and is controlled each executive component (electricity according to instruction
Magnet valve, proportioning valve, pump etc.) or transfer executive component (relay etc.) movement；The lower part air accumulator PG1 connects sewage pipe, sewage pipe
The other side is connected to blowdown valve group, passes through manual ball valve control of sewage disposal；Air accumulator PG1 is separately exported through piping connection to filter
AF02 clean air, later by piping connection to electronically controlled proportional valve MVF1, electronically controlled proportional valve MVF1 is according to the signal for receiving PLC
It is precisely controlled rear compressed air pressure, the rear electronically controlled proportional valve MVF1 is connected to vacuum tank PG2 by pipeline, for stablizing,
Compressed air pressure is compensated, the bottom vacuum tank PG2 connects sewage pipe, and the sewage pipe other side is connected to blowdown valve group, by manual
Ball valve control of sewage disposal；Vacuum tank PG2 is independently connected to three steam supply valves on docking panel, electromagnetism by three tunnels of pipeline point
Valve is realized according to PLC instruction unpack or closing to by the air tightness test of side activation system；Solenoid valve is by pipeline in interface
On the valve seat of plate, there are three quick couplings, corresponding three quick couplings respectively to have 1 pressure sensor to be mounted on for connection on the outside of valve seat
On valve seat, for detecting the air pressure of 3 road pipelines；Corresponding 3 road pipelines simultaneously, it is each draw all the way piping connection to valve block control system
Exhaust valve on (F06, F07, F08), for test after the completion of carry out internal system exhaust pressure relief；When equipment works, interface
3 quick couplings on plate are docked with the quick coupling surveyed on pressure hose, and the hose other side connects corresponding rapid abutting joint tooling,
Rapid abutting joint tooling is installed on the corresponding connector by side system.
Control panel is connect by data line with PLC, and PLC is connect by route with proportioning valve, and PLC passes through route and 9
Relay connection, 9 relays are connect respectively with 8 solenoid valves and air compressor machine by circuit, are controlled；PLC passes through route
It is connect with 4 pressure sensors, receives pressure signal everywhere.
After device power-up, computer assigns instruction and starts self-test, and PLC opens wind regime valve (solenoid valve F01) after receiving instruction,
Control proportioning valve is opened later, controls pressurized cylinder FG2 air pressure inside, and controls solenoid valve F02, F03, F04 solenoid valve opening, it
It closes proportioning valve afterwards and wind regime valve, the time persistently set, pressure sensor (MCQ1, MCQ2, MCQ3, MCQ4) passes through PLC
Pressure signal is fed back into computer, program determines whether internal system pressure maintaining is normal and shows according to decline of pressure situation.
When equipment works normally, wind regime valve is opened, and computer is fed back according to the pressure sensor FCQ1 on 10L air accumulator
Pressure and required pressure comparison, such as insufficient pressure then control air compressor machine starting, after the completion of this logic self-test in whole experiment process
Continuously effective.Then proportioning valve is opened, and then according to computer instruction, opens steam supply valve (F02, F03 all the way according to operational requirements
Or F04), at this point, compressed air is independently transmitted to motor train unit bogie accordingly in gas circuit to be measured by hose, the process
In, proportioning valve and exhaust valve cooperation adjust vacuum tank internal pressure, after pressure is stablized, close proportioning valve, continue customer requirement
After time, whether the program validation pressure loss makes accordingly prompt and crushing and shows whether air-tightness accords in controlled range
It closes and requires；The inspection of air-channel system all the way is carried out down later.After air-tight test, system disconnects wind regime valve (solenoid valve
F01), proportioning valve is opened, is opened exhaust valve (F05, F06, F07), by system decompression.
It hangs furnace connection and uses special Quick butt joint, docking is efficient and convenient, and air-tightness is good, reduces labor intensity, subtracts
Few personnel's holding time.In device power-up, system tests fast quick access to the pressure maintaining of docking panel to since electromagnetic proportional valve
The entire pressure maintaining test portion of head carries out integrally air-tightness self-test, it is ensured that equipment itself detection system No leakage, to avoid
Because equipment itself leakage problem leads to actual experiment data deviation.Pressure is supplemented using silent air compressor, noise is small, and impact is small,
Do not influence test accuracy.Using the walking structure of 2 big 4 small mute wheels, realize that equipment quick and stable crosses rail.
Claims (8)
1. a kind of air tightness detection system of EMU brake apparatus, it is characterised in that: including operation panel, PLC and pipeline system
System；PLC connecting line system to the parameter information in acquisition pipe-line system and controls pipe-line system；Operation panel connects
PLC is met, pipeline system information is received and sends control instruction to PLC；Pipe-line system includes:
Wind regime entrance quick coupling connects external gas source, accesses gas source, the wind regime entrance quick coupling other side passes through piping connection
The input terminal of wind regime valve, the output end of wind regime valve pass through the input terminal of piping connection air accumulator；Pressure is set in built in gas tank to pass
Sensor, pressure sensor connect PLC, acquire the pressure signal in air accumulator, are sent to PLC；The input terminal of air accumulator connects empty
Press, air compressor machine provide compressed air for air accumulator and carry out pressurization compensation；The lower part of air accumulator is connected to blowdown by sewage pipe
Valve group passes through manual ball valve control of sewage disposal；The output end of air accumulator passes through the input terminal of piping connection vacuum tank, and in air accumulator
Set scale valve on pipeline between vacuum tank；The output end of vacuum tank exports compressed air by several independent pipelines, makees
For the output of pipe-line system, steam supply valve is set in each independent pipeline.
2. the air tightness detection system of EMU brake apparatus according to claim 1, it is characterised in that: the wind regime
Valve, proportioning valve and steam supply valve are solenoid valve, and connect PLC, receive the control signal that PLC is sent and carry out on-off control.
3. the air tightness detection system of EMU brake apparatus according to claim 1, it is characterised in that: in the wind regime
First filter and the first check valve, and the output end of first filter and first are set between entrance quick coupling and wind regime valve
The input terminal of check valve passes through pipeline connection；The wind regime for entering pipeline is filtered by first filter；First check valve
For preventing the compressed air reverse flow in pipeline.
4. the air tightness detection system of EMU brake apparatus according to claim 1, it is characterised in that: in the pneumatics
The output end setting outlet pipe valve of machine, is arranged second one-way valve between outlet pipe valve and air accumulator, in outlet pipe valve and second
Gas exhaust piping is set between check valve, and first row air valve is set in gas exhaust piping；The outlet pipe valve and first row air valve
PLC is connected, the control signal that PLC is sent is received and carries out on-off control, second one-way valve is used to prevent the compressed air in pipeline
Reverse flow.
5. the air tightness detection system of EMU brake apparatus according to claim 1 or 4, it is characterised in that: described
Discharge pipe line is arranged in the lower part of air compressor machine, and drain cock is arranged in discharge pipe line, and drain cock connects PLC, receives PLC and sends
Control signal carry out on-off control.
6. the air tightness detection system of EMU brake apparatus according to claim 1, it is characterised in that: in the gas storage
The second filter is set between the output end and proportioning valve of tank, the compressed air that air accumulator exports is filtered.
7. the air tightness detection system of EMU brake apparatus according to claim 1, it is characterised in that: in the gas supply
Sensor is set on the independent pipeline of valve output end, and sensor connects PLC, acquires pressure signal in independent pipeline and is sent to PLC；
Gas exhaust piping is set between sensor and steam supply valve, exhaust valve is set in gas exhaust piping, exhaust valve connects PLC, receives PLC
The control signal of transmission carries out on-off control.
8. the air tightness detection system of EMU brake apparatus according to claim 1, it is characterised in that: the blowdown valve
For group by blowdown valve seat, blowdown valve, fast twist-on head and quick connector composition, fast twist-on head are installed on valve seat import, by hose with
Air accumulator, air compressor machine are connected, and blowdown valve is installed on the outlet of blowdown seat, and the ball valve other end installs quick connector, the row of installation on connector
Dirty hose.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920423560.6U CN209432381U (en) | 2019-04-01 | 2019-04-01 | A kind of air tightness detection system of EMU brake apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920423560.6U CN209432381U (en) | 2019-04-01 | 2019-04-01 | A kind of air tightness detection system of EMU brake apparatus |
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| Publication Number | Publication Date |
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| CN209432381U true CN209432381U (en) | 2019-09-24 |
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| CN201920423560.6U Expired - Fee Related CN209432381U (en) | 2019-04-01 | 2019-04-01 | A kind of air tightness detection system of EMU brake apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295351A (en) * | 2021-06-21 | 2021-08-24 | 湖南行必达网联科技有限公司 | Method for detecting air tightness of whole vehicle |
-
2019
- 2019-04-01 CN CN201920423560.6U patent/CN209432381U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295351A (en) * | 2021-06-21 | 2021-08-24 | 湖南行必达网联科技有限公司 | Method for detecting air tightness of whole vehicle |
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Granted publication date: 20190924 |