CN208765972U - Rain system is used in a kind of test of Railway vehicle car roof high-pressure system - Google Patents
Rain system is used in a kind of test of Railway vehicle car roof high-pressure system Download PDFInfo
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- CN208765972U CN208765972U CN201821283222.9U CN201821283222U CN208765972U CN 208765972 U CN208765972 U CN 208765972U CN 201821283222 U CN201821283222 U CN 201821283222U CN 208765972 U CN208765972 U CN 208765972U
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Abstract
A kind of Railway vehicle car roof high-pressure system test rain system, including control system, supply and drainage system, spray system, collecting system, the input terminal of the output end of supply and drainage system connection spray system, water source when simulated rainfall is provided for spray system；One input terminal of the output end connection collecting system of spray system, water after simulated rainfall is collected by collecting system, the other end of collecting system and supply and drainage system interconnect, the water that collecting system is collected is input to supply and drainage system, supply and drainage system work terminate the water of discharge to collecting system, one output end connection supply of control system and drainage system, realize that the flow to supply water, pressure control, another output connects spray system, realizes the real simulation to rainfall environment.The utility model structure is simple, easy to operate intuitive, highly reliable, saves test period, improves test efficiency.
Description
Technical field
It is that a kind of simulation in the test of Railway vehicle car roof high-pressure system is different the utility model relates to a kind of rain system
The rain system of rainfall.
Background technique
For rail vehicle, roof high-pressure system is the key components of vehicle, and the quality of insulation performance is straight
Connect the safety and reliability for influencing vehicle.And insulation performance is affected by environmental factor, it is however generally that, under dry environment
The insulation performance of vehicle roof high-pressure system is good, and under the environment of rainy day humidity, vehicle roof high-pressure system is easily hit
Wear, flashover, electric discharge situations such as, high risks are caused to the safe operation of EMU.It is being drenched for research vehicle roof high-pressure system
Insulation performance under the conditions of rain, it is necessary to design a kind of rain system for simulating different rainfalls.
Currently, vehicle roof high-pressure system is when carrying out the dielectric test under wet environment, using prewetting in advance, so
After tested, the two cannot synchronize progress；And the system prewetted in advance cannot achieve by being manually adjusted to spray of drenching with rain
Drench equipment discharge pressure, angle of water, rainfall size automatic adjustment, not only waste test period, influence test efficiency but also
Waste of manpower, therefore the use of the rain system has certain limitation.
Utility model content
Deficiency to solve the above-mentioned problems, the utility model provide a kind of Railway vehicle car roof high-pressure system test use
Rain system, the rain system can provide from different angle and the adjustable rainwater environment of measurement.Each dress in the rain system
It sets and has an easy control in the matter, it is easy to adjust, provider's just adjustable rain spraying environment is tested for Railway vehicle car roof high-pressure system.
To achieve the above object, the utility model provides a kind of Railway vehicle car roof high-pressure system test rain system,
It is characterized by comprising control system, supply and drainage system, spray system, collecting system, supply and the output of drainage system
The input terminal of end connection spray system, water source when simulated rainfall is provided for spray system；The output end of spray system connects collection
One input terminal of water system, the water after simulated rainfall are collected by collecting system, the other end of collecting system and supply and
Drainage system interconnection, the water that collecting system is collected are input to supply and drainage system, and supply and drainage system work terminate discharge
Water to collecting system, one output end connection supply of control system and drainage system realize the flow to supply water, pressure control
System, another output connect spray system, realize the real simulation to rainfall environment.
The supply and drainage system includes water tank, water supply valve, pressure relief valve, water discharging valve, return valve, confession
Water pump, draining pump, flowmeter, electrically operated valve, pressure transmitter, filter screen, waterway electromagnetic valve, inlet valve, are let out water supply valve
Pressure valve, return valve are all attached with water tank, and inlet valve and water supply valve realize the water source injection to water tank
And output, pressure release is carried out by pressure relief valve when the water overfill injected to water tank；Water tank is connect with return valve, return valve
Door connect with draining pump, draining pump is connect with water discharging valve, above-mentioned connection can by draining pump completion to the water in water tank into
Row discharge and re-injection；Water tank is connect with water supply valve, and water supply valve is connect with water supply pump, and water supply pump is connect with flowmeter, stream
Meter is connect with electrically operated valve, and electrically operated valve is connect with pressure transmitter, filter screen and water route of the pressure transmitter by rear end
Solenoid valve connection, realizes the water supply path from water tank to waterway electromagnetic valve by above-mentioned connection.
The control system includes HMI display screen, industrial switch, controller, digital output expansion module, simulation
Input/output expansion module, control relay, limit switch, peripheral wiring are measured, digital output expansion module and analog quantity are defeated
Enter/export expansion module of the expansion module as different function, be inserted respectively into the main foundation trench of controller, three constitutes one
It is whole, it is the core of entire control system, is responsible for the implementation of entire function and the acquisition of corresponding function state, monitoring；Control electricity
Source, the port DO of the controller port numeral output DO and digital output expansion module, corresponding function are after control electric appliance, by outer
Wiring series connection is enclosed, the execution control circuit part of control system is constituted；Control power supply, the port controller numeral input DI,
Corresponding function executes state and protection signal, and execution state, the protection portion for constituting control system are connected in series by peripheral wiring
Point；The pressure for monitoring water, the analog signal of flow are connected to the end analog input/output expansion module analog input AI
Mouthful, analog input/output expansion module port analog output AO connects the control terminal of automatic pressure regulating valve；HMI
Display screen, industrial switch are attached between controller three by Ethernet.
Further, all valves connecting with water tank are all manually-operated gate, pass through threaded stainless steel tube
It is attached.
Further, the water supply pump and flowmeter, flowmeter and electrically operated valve, electrically operated valve and pressure transmitter it
Between be attached by end with the stainless steel tube of ring flange.
Further, it is connected between the flowmeter and spray system using hose and is equipped with filtering in flowmeter rear end
Net.
Further, the waterway electromagnetic valve is two position two-way valve.
Further, the HMI display screen, controller, digital output expansion module, analog input/output are expanded
Exhibition module is all made of Siemens's series of products.
Further, the digital quantity input/output expansion module of the controller, analog input/output expanded mode
The wiring of block uses terminal fastening-type, convenient for wiring and maintenance.
Further, the analog input of the control system/output expansion module respectively with flowmeter, pressure detecting
Transmitter, automatic adjustment valve connection, opening for automatic adjustment valve is adjusted according to the value that pressure, flow detector are fed back
Degree, spray flow, pressure so as to adjust spray system.
Further, the control relay that the digital output expansion module and control waterway electromagnetic valve are opened or be truncated
Device is connected in series.
Further, the numeral input/output module, simulation input/output module of the control system are reserved standby
With port and wiring, the reliability and redundancy of control system are improved.
The beneficial effects of the utility model are: the rain system realizes the examination of Railway vehicle car roof high-pressure system insulation performance
The simulation of light rain, moderate rain and heavy rain when testing, pressure, rainfall and direction can be adjusted by control system, and structure is simple, behaviour
Work facilitate it is intuitive, it is highly reliable, good experimental enviroment is provided for the dielectric test of rail vehicle, when saving test
Between, improve test efficiency.
Detailed description of the invention
Fig. 1 is the structure composition figure of the utility model rain system；
Fig. 2 is supply and the drainage system schematic diagram of the utility model rain system；
Fig. 3 is the control system schematic diagram of the utility model rain system.
Wherein, digital input amount DI.a.0~DI.a.7 of SM1214C respectively represents following state: spray system ceiling
Position, spray system lower limit position, spray system swings limit height, spray system swings and limits low, spray system liter, spray system
It swings before drop, spray system, swung after spray system；Digital input amount DI.b.0~DI.b.4 of SM1214C respectively represent with
Lower state: water supply pump operation, draining pump operation, standby port, standby port, standby port；The digital output of SM1214C
DO.a.0~DO.a.4 respectively represents control function performed below: the rotating forward of spray system lifting motor, spray system lifting motor
Reversion, spray system oscillating motor rotate forward, spray system oscillating motor inverts, standby port；The digital output of SM1214C
DO.b.0~DO.b.4 respectively represents control function performed below: water supply pump operation, draining pump operation, waterway electromagnetic valve YV1 are opened
It is logical with closing, waterway electromagnetic valve YV2 is opened and is closed, waterway electromagnetic valve YV3 is opened and closed；The digital output of SM1222
DO_1L.0~DO_1L.3 respectively represents control the opening and close of waterway electromagnetic valve YV4~YV7, the digital output of SM1222
DO_2L.0~DO_2L.3 respectively represents control the opening and close of waterway electromagnetic valve YV8~YV11, the numeral output of SM1222
It is defeated that amount DO_3L.0~DO_3L.3 respectively represents control the opening and close of waterway electromagnetic valve YV12~YV15, the number of SM1222
Output DO_4L.0~DO_4L.3 respectively represent control the opening and close of waterway electromagnetic valve YV16, standby port, standby port,
Standby port.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in further detail.
The structure composition of Fig. 1 the utility model rain system, specifically includes control system, supply and drainage system, spray
The input terminal of the output end connection spray system of system, collecting system, supply and drainage system, provides simulation drop for spray system
Water source when rain；The output end of spray system connects an input terminal of collecting system, and the water after simulated rainfall is by collecting system
It is collected, the other end of collecting system and supply and drainage system interconnect, and the water that collecting system is collected is input to supply and row
Water system, supply and drainage system work terminate the water of discharge to collecting system, one output end connection supply of control system and
Drainage system realizes that the flow to supply water, pressure control, and another output connects spray system, realizes to rainfall environment
Real simulation.Height, the amplitude of spray head swing, the flow of rainwater and the pressure of the adjustable spray system of control system
Power, to really simulate the rainfall environment of different rainfall angles, rainfall；Supply and drainage system constitute the water of rain system
The circulatory system provides enough water sources for spray system, may be controlled to flow, the pressure of spray system water supply by control system
Power；Collecting system, can be by designing the ground level of each component part voluntarily by drenching with rain slot on localized ground and hole forms
Completion is catchmented, and circuit control is not necessarily to.
The supply of Fig. 2 the utility model rain system and drainage system, wherein V0: inlet valve, V1: water supply valve,
V2: pressure relief valve, V3: water discharging valve, V4: return valve, P0: water supply pump, P1: draining pump, FI0: flowmeter, CV0: motor-driven valve
Door, PI0: pressure transmitter, YV1~YV16: waterway electromagnetic valve.Inlet valve, water supply valve, pressure relief valve, return valve are all
It is attached with water tank, inlet valve and water supply valve realize water source injection and output to water tank, when to water tank
Pressure release is carried out by pressure relief valve when the water overfill of injection；Water tank is connect with return valve, and return valve is connect with draining pump, row
Water pump is connect with water discharging valve, and above-mentioned connection can be completed to carry out the water in water tank discharge and re-injection by draining pump；Water storage
Case is connect with water supply valve, and water supply valve is connect with water supply pump, and water supply pump is connect with flowmeter, and flowmeter and electrically operated valve connect
It connects, electrically operated valve is connect with pressure transmitter, and pressure transmitter is connect by the filter screen of rear end with waterway electromagnetic valve, by upper
State the water supply path for connecting and realizing from water tank to waterway electromagnetic valve.
Inlet valve V0 is connected or isolation water tank supplies water, and carries out pressure release by pressure relief valve V2 after water tank is full；When
When being sprayed, water supply valve V1 connects the water supply of spray system, by setting flow, the pressure value of simulated rainfall, control system
System can be according to the detected value of pressure transmitter PI, flowmeter FI, and the angle of flow of close-loop automatic adjustment electrically operated valve CV0 is until reaching
To setting value, finally by the different conducting combinations of control waterway electromagnetic valve YV1~YV16, real simulation have certain flow,
Light rain, moderate rain or the heavy rain of pressure.Water discharging valve V3 and draining pump P1 completion empties the water in water tank, for water money
The water wasting that collecting system is pooled to after spray can be extracted into again water tank by source recycling, return valve V4 and draining pump P1.
The control system schematic diagram of Fig. 3 the utility model rain system, the system are exchanged by HMI display screen MP277, industry
Machine, controller SM1214C(contain numeral input/output module), digital output expansion module SM1222, analog input/defeated
Expansion module SM1234, control relay, limit switch, peripheral wiring composition out.Digital output expansion module and analog quantity
Expansion module of the input/output expansion module as different function, is inserted respectively into the main foundation trench of controller, and three constitutes one
A entirety is the core of entire control system, is responsible for the implementation of entire function and the acquisition of corresponding function state, monitoring；Control
Power supply, the port DO of the controller port numeral output DO and digital output expansion module, corresponding function pass through after control electric appliance
Peripheral wiring is connected in series, and constitutes the execution control circuit part of control system；Control power supply, the end controller numeral input DI
Mouth, corresponding function execute state and protection signal, pass through peripheral wiring and the execution state of control system that constitutes is connected in series, protects
Part；The pressure for monitoring water, the analog signal of flow are connected to the end analog input/output expansion module analog input AI
Mouthful, analog input/output expansion module port analog output AO connects the control terminal of automatic pressure regulating valve；HMI
Display screen, industrial switch are attached between controller three by Ethernet.
HMI display screen MP277 mainly realizes the display of the signals such as the control setting of rain system, flow pressure；Industry is handed over
It changes planes the main communication realized between HMI display screen MP277 and controller SM1214C, data transmission；Controller SM1214C master
Realize the execution of rain system set-up function program, the digital output module DO of controller band can enable the relay of corresponding function
Device K1~K6 operates lifting, the adjustment of spraying rack nozzle angle, supply and discharge water pump start and stop of spraying rack etc. to realize, and passes through
The state that the digital input module DI monitoring corresponding function of controller band executes, the functions such as lifting, angle adjustment of spray system
The protection of transfiniting of mechanical movement also monitored by digital input module DI, and corresponding protection act is executed by controller SM1214C；
Digital output expansion module SM1222 can enable the corresponding relay K8~K23 of 16 road spray head dot matrix, and then control the spray of 16 tunnels
The corresponding waterway electromagnetic valve YV1~YV16 of head dot matrix selects various combination number to be arranged according to the function of rain system
Spray head dot matrix；Analog input/output expansion module SM1234 mainly realizes the flow FI to rain system water, pressure PI signal
Acquisition, and pass through close-loop automatic adjustment CV0(electrically operated valve), to realize the condition of raining of particular flow rate, pressure.The control
System have accurate logic Electric Control Design, it is both artistic and practical, have an easy control in the matter it is simple, safe and reliable.
The rain system realize spray height, spray angles, flow, pressure and light rain, moderate rain and heavy rain it is complete from
Dynamic comprehensive rainfall environmental simulation, it is track that system control and regulation are reliable and stable, and flexible to operation intuitive, software interface is friendly
Dielectric test of vehicle roof high-pressure system under the conditions of drenching with rain provides good condition.
Claims (9)
1. a kind of Railway vehicle car roof high-pressure system test rain system, it is characterised in that: including control system, supply and row
The input terminal of the output end connection spray system of water system, spray system, collecting system, supply and drainage system, for spray system
System provides water source when simulated rainfall；One input terminal of the output end connection collecting system of spray system, after simulated rainfall
Water is collected by collecting system, and the other end of collecting system and supply and drainage system interconnect, and the water that collecting system is collected is defeated
Enter to supply and drainage system, supply and drainage system work terminate the water of discharge to collecting system, control system one output
End connection supply and drainage system realize that the flow to supply water, pressure control, and another output connects spray system, real
Now to the real simulation of rainfall environment.
2. a kind of Railway vehicle car roof high-pressure system test rain system according to claim 1, it is characterised in that: institute
The supply and drainage system stated include water tank, water supply valve, pressure relief valve, water discharging valve, return valve, water supply pump, draining
Pump, flowmeter, electrically operated valve, pressure transmitter, filter screen, waterway electromagnetic valve, inlet valve, pressure relief valve, return at water supply valve
Stream valve is all attached with water tank, and inlet valve and water supply valve realize water source injection and output to water tank, when
Pressure release carried out by pressure relief valve when the water overfill injected to water tank；Water tank is connect with return valve, return valve and draining
Pump connection, draining pump connect with water discharging valve, above-mentioned connection can complete the water in water tank is carried out to discharge by draining pump with
Re-injection；Water tank is connect with water supply valve, and water supply valve is connect with water supply pump, and water supply pump is connect with flowmeter, flowmeter and electricity
Movable valve connection, electrically operated valve are connect with pressure transmitter, and pressure transmitter is connected by the filter screen and waterway electromagnetic valve of rear end
It connects, the water supply path from water tank to waterway electromagnetic valve is realized by above-mentioned connection.
3. a kind of Railway vehicle car roof high-pressure system test rain system according to claim 1, it is characterised in that: institute
The control system stated includes HMI display screen, industrial switch, controller, digital output expansion module, analog input/defeated
Expansion module, control relay, limit switch, peripheral wiring, digital output expansion module and analog input/output are expanded out
Expansion module of the module as different function is opened up, is inserted respectively into the main foundation trench of controller, it is whole that three, which constitutes an entirety,
The core of a control system is responsible for the implementation of entire function and the acquisition of corresponding function state, monitoring；Control power supply, controller
The port numeral output DO and the port DO of digital output expansion module, corresponding function pass through peripheral wiring string after control electric appliance
Connection connection, constitutes the execution control circuit part of control system；Control power supply, the port controller numeral input DI, corresponding function
The execution state for constituting control system, protection part are connected in series by peripheral wiring for execution state and protection signal；It will monitoring
The pressure of water, the analog signal of flow are connected to the port analog input/output expansion module analog input AI, and analog quantity is defeated
Enter/export the control terminal of the port the analog output AO connection automatic pressure regulating valve of expansion module；HMI display screen, industry
It is attached between interchanger, controller three by Ethernet.
4. a kind of Railway vehicle car roof high-pressure system test rain system according to claim 2, it is characterised in that: institute
All valves connecting with water tank stated all are manually-operated gate, are attached by threaded stainless steel tube.
5. a kind of Railway vehicle car roof high-pressure system test rain system according to claim 2, it is characterised in that: institute
Flange is had by end between water supply pump and flowmeter, flowmeter and electrically operated valve, electrically operated valve and the pressure transmitter stated
The stainless steel tube of disk is attached.
6. a kind of Railway vehicle car roof high-pressure system test rain system according to claim 2, it is characterised in that: institute
It states and is connected between flowmeter and spray system using hose and be equipped with filter screen in flowmeter rear end.
7. a kind of Railway vehicle car roof high-pressure system test rain system according to claim 2, it is characterised in that: institute
The waterway electromagnetic valve stated is two position two-way valve.
8. a kind of Railway vehicle car roof high-pressure system test rain system according to claim 3, it is characterised in that: institute
The analog input for the controller stated/output expansion module connects with flowmeter, pressure detection transducer, automatic adjustment valve respectively
It connects, adjusts the aperture of automatic adjustment valve, according to the value that pressure, flow detector are fed back so as to adjust spray system
Spray flow, pressure.
9. a kind of Railway vehicle car roof high-pressure system test rain system according to claim 3, it is characterised in that: institute
The control relay that the digital output expansion module and control waterway electromagnetic valve stated are opened or be truncated is connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283222.9U CN208765972U (en) | 2018-08-10 | 2018-08-10 | Rain system is used in a kind of test of Railway vehicle car roof high-pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821283222.9U CN208765972U (en) | 2018-08-10 | 2018-08-10 | Rain system is used in a kind of test of Railway vehicle car roof high-pressure system |
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| Publication Number | Publication Date |
|---|---|
| CN208765972U true CN208765972U (en) | 2019-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821283222.9U Active CN208765972U (en) | 2018-08-10 | 2018-08-10 | Rain system is used in a kind of test of Railway vehicle car roof high-pressure system |
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| CN (1) | CN208765972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030035A (en) * | 2018-08-10 | 2018-12-18 | 中车长春轨道客车股份有限公司 | Rain system is used in a kind of test of Railway vehicle car roof high-pressure system |
| CN110987306A (en) * | 2019-12-23 | 2020-04-10 | 天津航天瑞莱科技有限公司 | Water supply system of rain test box of aviation equipment |
-
2018
- 2018-08-10 CN CN201821283222.9U patent/CN208765972U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030035A (en) * | 2018-08-10 | 2018-12-18 | 中车长春轨道客车股份有限公司 | Rain system is used in a kind of test of Railway vehicle car roof high-pressure system |
| CN110987306A (en) * | 2019-12-23 | 2020-04-10 | 天津航天瑞莱科技有限公司 | Water supply system of rain test box of aviation equipment |
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