CN106768699B - Gas source and rudder system detection device - Google Patents
Gas source and rudder system detection device Download PDFInfo
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- CN106768699B CN106768699B CN201611081979.5A CN201611081979A CN106768699B CN 106768699 B CN106768699 B CN 106768699B CN 201611081979 A CN201611081979 A CN 201611081979A CN 106768699 B CN106768699 B CN 106768699B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of gas source and rudder system detection device, including gas cylinder combined system, it is test mouth that the gas cylinder combined system, which includes air supply system, tracheal system air inlet, gas outlet by the road, threeway connect the first pressure reducer and the second pressure reducer.The present invention is directed to realize to carry out comprehensive performance detection to gas source, rudder system using the gas source, rudder system detection device.It include: pressure, the data on flows detection of air supply system, the detection of steering engine data on flows, pressure settling time is detected, and is shown to above-mentioned data, record, save；In addition, equipment can also be achieved itself air tightness test, air supply system air tightness test, external pipeline system air tightness test, air supply system pressure reducer testing performance index；External pressure sensor performance test.Have highly integrated property, the multinomial outstanding advantages such as Yi Yidong, easy to operate.
Description
Technical field
The present invention relates to a kind of detection device more particularly to a kind of gas sources and rudder system detection device.
Background technique
Gas cylinder combined system, that is, air supply system is the equipment that can store, provide the compressed air of relevant pressure.
The composition of gas cylinder combined system includes: air supply system, electric detonation valve pressure inlet, hand stop valve, cap nut
And pressure inlet, threeway, pressure reducer.Its theory of constitution figure such as Fig. 1.
Air supply system is after top off, pressure 35MPa.By debugging pressure reducer 1,2, the outlet of pressure reducer 1 can be made
Pressure Q1 is 1.4 ± 0.15MPa of power, flow 750L/min；The outlet pressure of pressure reducer Q2 is 0.9 ± 0.1MPa, flow 240L/
min。
In terms of space flight, the transformation of missile attitude, such as pitching, yaw, rolling campaign have been cooperated by steering engine
At.Steering engine is the executing agency of missile control system, and function is the control signal according to control system, mobile regulating mechanism
To generate the operating torque to subsystem, guided missile rudder face or aileron movement are controlled, changes its flight path, realizes fast reserve
Property.As the important component of Missile Guidance And Control System, the quality of steering engine performance directly decides missile flight process
Dynamic quality and guidance precision.
For vapour-pressure type steering engine as the common steering engine type of guided missile, flow is fine or not and in stable condition as steering engine performance is judged
Important indicator, need by frequent test, detection.
Summary of the invention
The object of the invention is that providing a kind of gas source to solve the above problems and rudder system detection device.
To achieve the goals above, the technical solution adopted by the present invention is that such: a kind of gas source and rudder system detection are set
Standby, including gas cylinder combined system, it is test that the gas cylinder combined system, which includes air supply system, the air supply system air inlet,
Mouthful, it further includes cabinet, data collection system, control meter that gas outlet is by the road, threeway connects the first pressure reducer and the second pressure reducer
Calculation machine and power supply unit, the gas cylinder combined system are located in cabinet, and cabinet is equipped with 5 external interface W1 interfaces, W2
Interface, Q1 interface, Q2 interface, Q3 interface, each interface are provided with plug；
The W1 interface and W2 orifice, and hand stop valve K1, pressure are successively arranged between W1 interface and W2 interface
Table P1, hand stop valve K2, pressure gauge P2, first pressure transmitter, first pressure transmitter is close to W2 interface, and W2 interface passes through
Hose is connected to test mouth, and a solenoid valve is also parallel on hand stop valve K2；
The Q1 interface is through first flowmeter, hand stop valve K3, second pressure transmitter, pressure gauge P4, the first overflow
After valve, the outlet of the second pressure reducer is connected to by hose,
The Q2 interface, Q3 interface are after threeway merges, successively through second flowmeter, hand stop valve K4, third pressure
After transmitter, pressure gauge P3, the second overflow valve, the outlet of the first pressure reducer is connected to by hose；
Each pressure transmitter, flowmeter, solenoid valve are connect with data collection system, and pressure signal, flow signal are turned
It is changed to electric signal and is sent into data collection system；
The data collection system is connect with control computer by usb bus, is collected each electric signal and is transformed into
Control computer is sent to by usb bus after digital signal；
It is described control computer obtain number pressure signal, flow signal processing after, be depicted as time pressure curve and
Time-discharge curve is simultaneously shown.
As preferred: gas cylinder combined system is all made of pipeline with interface and connect, and the pipeline uses stainless steel jointless steel
Pipe.
As preferred: the pressure gauge P1, pressure gauge P2, pressure gauge P3, pressure gauge P4 surface be arranged at outside cabinet
Wall.
As preferred: pressure gauge P1, pressure gauge P2 measurement range be 0~40MPa；The survey of pressure gauge P3, pressure gauge P4
Measure 0~2Mpa of range.
As preferred: said supply unit is 24V DC power supply.
As preferred: the side of cabinet is additionally provided with J1 interface and J2 interface, the J1 interface connect the first overflow valve and
It corresponds to hose, and J2 interface connects the second overflow valve and it corresponds to hose.
Compared with the prior art, the advantages of the present invention are as follows: the present invention, which is able to achieve, carries out comprehensive performance to gas source, rudder system
Detection.It include: pressure, the data on flows detection of air supply system, steering engine data on flows detects, the detection of pressure settling time, and right
Above-mentioned data are shown, are recorded, are saved；In addition, equipment can also be achieved itself air tightness test, air supply system air-tightness is surveyed
Examination, external pipeline system air tightness test, air supply system pressure reducer testing performance index；External pressure sensor performance test.
To meet to the our factory voluntarily scheduling and planning of the gas cylinder combined system of development and production and examination.In production debugging, by right
Pressure reducer debugs the precision of pressure reducer under the conditions of bringing onto load；In Product Acceptance Review, mainly to the pressure of air supply system
The quantitative detection of the parameters such as settling time, pressure precision, flow accuracy carries out the performance test under various environmental conditions.It compares
Traditional equipment, the invention increase multinomial important test function newly, and have highly integrated property, and the multinomial protrusion such as Yi Yidong, easy to operate is excellent
Point.
Detailed description of the invention
Fig. 1 is gas cylinder combined system theory of constitution figure；
Fig. 2 is circuit diagram of the present invention；
Fig. 3 is this hair invention hardware connection figure.
In figure: 1, air supply system；2, electric detonation valve pressure inlet；3, threeway；4, the first pressure reducer；5, the second pressure reducer；6,
First pressure transmitter；7, second pressure transmitter；8, third pressure transmitter；9, the first overflow valve；10, the second overflow valve；
11, first flowmeter；12, second flowmeter；13, solenoid valve.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Embodiment 1: referring to Fig. 1 to Fig. 3, a kind of gas source and rudder system detection device, including gas cylinder combined system, it is described
Gas cylinder combined system include air supply system 1,1 air inlet of the air supply system for test mouth, gas outlet by the road, threeway 3 connect
The first pressure reducer 4 and the second pressure reducer 5 are connect, air supply system 1 is equipped with electric detonation valve pressure inlet 2, further includes cabinet, data acquisition
System, control computer and power supply unit, the gas cylinder combined system are located in cabinet, and cabinet is equipped with 5 to external
Mouth W1 interface, W2 interface, Q1 interface, Q2 interface, Q3 interface, each interface are provided with plug；
The W1 interface and W2 orifice, and hand stop valve K1, pressure are successively arranged between W1 interface and W2 interface
Table P1, hand stop valve K2, pressure gauge P2, first pressure transmitter 6, first pressure transmitter 6 is close to W2 interface, and W2 interface
It is connected to through hose with test mouth, a solenoid valve 13 is also parallel on hand stop valve K2；
The Q1 interface overflows through first flowmeter 11, hand stop valve K3, second pressure transmitter 7, pressure gauge P4, first
After flowing valve 9, the outlet of the second pressure reducer 5 is connected to by hose；
The Q2 interface, Q3 interface are after the merging of threeway 3, successively through second flowmeter 12, hand stop valve K4, third pressure
After power transmitter 8, pressure gauge P3, the second overflow valve 10, the outlet of the first pressure reducer 4 is connected to by hose；
Each pressure transmitter, flowmeter, solenoid valve 13 are connect with data collection system, by pressure signal, flow signal
It is converted to electric signal and is sent into data collection system；
The data collection system is connect with control computer by usb bus, is collected each electric signal and is transformed into
Control computer is sent to by usb bus after digital signal；
It is described control computer obtain number pressure signal, flow signal processing after, be depicted as time pressure curve and
Time-discharge curve is simultaneously shown.
In the present embodiment: gas cylinder combined system is all made of pipeline with interface and connect, and the pipeline uses stainless steel jointless
Steel pipe；The pressure gauge P1, pressure gauge P2, pressure gauge P3, pressure gauge P4 surface be arranged at cabinet outer wall；Pressure gauge P1,
The measurement range of pressure gauge P2 is 0~40MPa；0~2Mpa of measurement range of pressure gauge P3, pressure gauge P4；Said supply unit
For 24V DC power supply；The side of cabinet is additionally provided with J1 interface and J2 interface, and the J1 interface connects the first overflow valve 9 and its
Corresponding hose, the second overflow valve of J2 interface connection 10 and its correspondence hose.
Always high 1530mm, beam overall 1520mm, the high 960mm of work top, appearance spray white baking vanish to cabinet；The instruction of cabinet parameter
Face is fixed with 19 cun of industrial displays, pressure gauge and the adjustable D.C. regulated power supply of output voltage.Cabinet work top is fixed with
Control the key mouse suit and shut-off valve of computer.Cabinet inner region is divided into two regions of pneumatic line and electrical cable system, and use is black
Color fixing plate separates.Electrical areas is fixed with industrial personal computer and data collection system, and two cabinets and fixed plate are solid and reliable.
Pneumatic line system realm is fixed with solenoid valve 13, pressure transmitter, flowmeter, overflow valve and pipe-line system.Pipe-line system
It is solid and reliable, no gas leak phenomenon.
Essential electrical functional component of the present invention include: control computer, data collection system, pressure transmitter, flowmeter,
D.C. regulated power supply, cable etc..
The virtual instrument software operated on control computer sends control instruction to data collection system by usb bus
With acquisition data；Regulated power supply provides 24VDC high-precision power for data collection system.Data collection system passes through internal secondary
24V power supply is supplied to pressure transmitter, flowmeter, solenoid valve 13 again by power module；Pressure transmitter, flowmeter by pressure,
Flow signal is converted to electric signal and is sent into data collection system, and electric signal is changed into digital signal and passed through by data collection system
Usb bus is sent to control computer, and virtual instrument software realizes resolving, display, storage, the playback of data.
Industrial personal computer in equipment control computer, which uses, grinds magnificent IPC 610L industrial personal computer, standard 4U cabinet.CPU is Intel
2 dual core processor of Duo, 2.8GHz；Memory DDR3 2G；Hard disk 500G；CD-ROM drive DVD imprinting.Industrial personal computer and bracket, mounting plate are logical
Screw is crossed to fix, it is solid and reliable.
The display controlled in computer uses CNUS, 19 cun of industrial displays of T190pc type, resolution ratio 1280*
1024.Configured with two heads VGA line, power supply transformation line.Display is fixed on cabinet parameter index plane by the attachment of left and right ear, surely
Gu reliable.
Keyboard in control computer is embedded in cabinet operating table surface.
Data collection system uses 2U standard PC case.Cabinet inside incorporate secondary power supply module, data acquisition module, after
The profession board such as appliance controling plate.Between board, board and between coupling use 0.2mm2Teflon silver jacketed wire carry out
Welding, core are the silver-plated wire material of high purity oxygen free copper, and the high and low internal resistance of silver-plated thickness, purity, low-loss resist with excellent
Ageing properties have high fidelity to data, effectively prevent data suitable for the back panel wiring of communication apparatus and electronic instrument
Between interference.Sampling channel is with being all made of the same reference (shell).
Data acquisition module can be realized as pressure transmitter, flowmeter power supply；Acquire pressure, the data of traffic channel letter
Number.Its basic parameter is as follows: can carry out analog acquisition；Wherein data collection system basic parameter is as follows: resolution ratio: 16bit；
Input power: 24VDC；Simulation input impedance: 10M Ω；Sampling rate: 1000 sampled points/s；Ampling channel number: 12 tunnels；Measurement
Precision: ± 0.1%；Operating temperature: 50 DEG C of 10 DEG C~﹢ of ﹣；Bus form: usb bus.
D.C. regulated power supply is using the bright Pu Yuan high-precision of the Chinese, the program-controlled regulated power supply of low ripple.It is provided for data collection system
24V DC power supply.Its Specifeca tion speeification: input voltage 220VAC；0~30V of output voltage range is adjustable；Output current scope
0~5A is adjustable；Output ripple is less than 1%；Have overvoltage, overcurrent, over-temperature protection.
In same plane, power supply is included in interior of equipment cabinet for D.C. regulated power supply and cabinet parameter index plane, adjusting knob and
Output voltage display screen exposes cabinet parameter index plane, convenient for operation and observation.D.C. regulated power supply passes through support plate and cassette tape
It is fixed, it is solid and reliable.
Cable specifically includes that data collection system and pressure transmitter, flowmeter, the cable between solenoid valve 13 in equipment
Line.Cable is pressure transmitter, flowmeter, solenoid valve 13 provide power supply and transmit acquisition data-signal.Cable is united in equipment
One uses the shielding line of RVVP7 × 0.13.Cable routing has been fixed, and laying specification is clean and tidy.
Air-channel system main function components of the present invention include: gas cylinder combined system, pressure gauge, pressure transmitter, flow
Meter, solenoid valve 13, hand stop valve, overflow valve, steering engine, pipeline and pipeline connecting parts etc..
Pressure gauge: equipment is measured using 0~60MPa/0.25 grades and each two pieces of 0~6MPa/0.25 stage pressure table
Assay approval.Be respectively used to measurement source outlet pressure (pressure gauge P1), pressure reducer inlet pressure (second pressure gauge), two subtract
The outlet pressure (outlet of the first, second pressure reducer 5) of depressor.The fixed fastening of pressure gauge installation is reliable, and uses explosion-proof protection
Device.
Pressure transmitter: equipment uses MicroSensor MPM489 series high stability pressure transmitter 3.It is main
Technical indicator is as follows: 2 0~2MPa of measurement range, 1 0~40MPa；Accuracy is less than 0.25%FS；Output pressure 0~
5VDC；Output impedance is less than 3K Ω；Power supply 11V~28VDC；Process connects the external screw thread of M20 × 1.5 band waterline and seals；It crosses
Carry 1.5 times of full-scale pressures of pressure.Three pressure transmitters are respectively used to measurement pressure reducer inlet pressure, the outlet of pressure reducer 1 pressure
Power, 2 outlet pressure of pressure reducer.
Pressure transmitter passes through globe joint, cap nut and piping connection.Because vibration equipment source has obtained effective suppression
System, therefore the normal detection of pressure transmitter, sensing will not be vibrated interference.
Flowmeter: equipment is using Sevenstar D07-60BM serial high-precision, high stability, big flow mass flowmenter
2.Its key technical indexes is as follows: one 0~500L/min of full scale input range, 0~1000L/min of another；Precision
± 2%FS；The linearity ± 1%FS；Repeatable accuracy ± 0.2%FS；Response time≤10sec；Pressure-resistant 3MPa；1 × 10- of leak rate
8scc/s；Signal exports 0~5VDC；Power supply 24VDC.Two flowmeters are respectively used to the rate of discharge of two pressure reducers of measurement.
Flowmeter is installed using horizontal, is fixed by screws on mounting plate, fixed form anti-vibration effect is excellent.
Solenoid valve 13: installation electromagnetical valve 13 uses the triumphant DCF7 electric solenoid valve 13 for stepping (Luoyang) gas source Co., Ltd.
Its key technical indexes is as follows: 2/2-way normally closed type high-pressure solenoid valve 13, operating pressure 21MPa；Operating voltage 24V~
27VDC；Inside nominal diameterResponse time≤250ms.The solenoid valve 13 is used to open the entrance pressure of two pressure reducers
Power.
Solenoid valve 13 is fixed on support base, and support base is fixed by screws on mounting plate.This fixed solution is effectively
Adverse effect caused by being vibrated when solenoid valve 13 being inhibited to open every time.
Hand stop valve: this equipment uses 4 hand stop valves.Using the Y5704.4-91 of Ningbo Xingjian Aerospace Machinery Plant
Hand stop valve.Its key technical indexes is as follows: inside nominal diameter 10mm, nominal pressure 35MPa, M22 × 1.5,37 °.4 hands
Dynamic shut-off valve is respectively used to logical between the on-off between on-off, gas source and the pressure reducing valve of control gas source, pressure reducer 1 and load
On-off between disconnected, pressure reducer 2 and load.
Hand stop valve is fixed on equipment operation table top stainless steel faceplate, is solid and reliable, operation is convenient.
Overflow valve: this equipment uses 2 overflow valves.Using the KJ24-1/01 safety valve of Ningbo Xingjian Aerospace Machinery Plant.Its
The key technical indexes is as follows: inside nominal diameter 10mm, nominal pressure 1~2MPa, M22 × 1.5,37 °.Two overflow valves are piston
Formula opens working method, for guaranteeing the safe pressure of two pressure reducers outlet, safe-working pressure set by overflow valve 1,2
For 2MPa.When overflow valve is closed, air-tightness is excellent, guarantees 10min without gas leak phenomenon.
Pipeline and pipeline connecting parts: pipeline uses material trademark for the stainless-steel seamless pipe of 0Cr18Ni9Ti, pipeline rule
There are two types of lattice: a kind of specification 14 × 2 (outer diameter 14, wall thickness 2, latus rectum 10) is hand stop valve, solenoid valve 13, overflow valve, pressure
Transmitter, flowmeter use connection between coupling；A kind of specification 6 × 1 (outer diameter 6, wall thickness 1, latus rectum 4) is pressure gauge and pipe
It connects and uses between the system of road.Piping connection is attached according to gas source/rudder system detection device working principle diagram, the peace of pipeline
Dress, connection and laying meet the rule of pipeline arrangement.Pipe-line system, pipe joint, valve etc. have carried out air-tightness inspection
It looks into, no gas leak phenomenon.
W1 interface, W2 interface, J1 interface, J2 interface, Q1 interface, Q2 interface, the Q3 interface specification of equipment be M18 ×
1.5,37 ° of inner cones.Connection with peripheral product uses 37 ° of bulb connecting-type high pressure rubber hoses of the Ningbo satellite and the rocket.Its thread size
For M22 × 1.5, connector latus rectum 10mm.And be the place of the needs such as equipment entrance, equipment rubber hose and gas cylinder, pressure reducer, it mentions
For adapter.
Test equipment is before use, please ensure that all hand stop valves are all in close state.Air supply system 1, steering engine with
Equipment connection is correct.Ensure that pressure reducer and overflow valve are debugged to meet the required performance indicator of design, i.e. pressure reducer
Q1 is 1.4 ± 0.15MPa of pressure, flow 750L/min；Pressure reducer Q2 is 0.9 ± 0.1MPa of pressure, flow 240L/min；Two
The cracking pressure of overflow valve is 2MPa.
Pressure gauge P1 indicates that bleed pressure, P2 indicate that the inlet pressure of pressure reducer Q1 and Q2, P4 indicate pressure reducer in equipment
Q1 outlet pressure, P3 indicate pressure reducer Q2 outlet pressure.Please according to the reading of pressure gauge as debugging foundation when equipment debugging.
The hand stop valve K1 of source outlet pressure is opened, pressure gauge P1 reading debugs reference as bleed pressure.It opens
The hand stop valve K2 of pressure reducer inlet pressure, pressure gauge P2, which are read, debugs reference as the inlet pressure of pressure reducer Q1 and Q2.
Hand stop valve K3, K4 is kept to open.Pressure gauge P3, P4 read the outlet pressure debugging ginseng respectively as pressure reducer Q2 and Q1
According to.
To ensure that equipment using normally, please refers to following process and operated.
Joint test pipeline ----connecting cable ----open electrical equipment power switch ----Open valve ----operation
Software ----start to test.
By the electric power plug socket of the power input line insertion 220VAC of industrial personal computer, display, D.C. regulated power supply.Firstly, beating
Open the power switch of industrial personal computer, display, D.C. regulated power supply；Next presses the output switch of D.C. regulated power supply；Finally press
The power switch of lower data collection system.To keep test data more accurate, it is proposed that upper electric preheating 5min.
Open the hand stop valve K1 of source outlet pressure.Open the hand stop valve K2 or electromagnetism of pressure reducer inlet pressure
The unlatching of valve 13, solenoid valve 13 need to send control instruction by software.Hand stop valve K2 is identical with the function of solenoid valve 13, can
Replacement.But if pressure settling time need to be measured, hand stop valve K2 please be close, control instruction opens solenoid valve is sent by software
13.It keeps hand stop valve K3, K4 to open, if only needing the data of test pressure reducer export branch road all the way, only keeps its branch pair
The hand stop valve answered is opened.
1,1 pressure flow of air supply system is tested
Air supply system 1 and pressure reducing valve, load are connected into using air pressure steering engine, equipment integrated testability pressure, flow.
2, steering engine flow rate test
It is connected into air supply system 1 and pressure reducing valve, equipment 3 outlets is connected into air pressure steering engine, test steering engine flow.
3, equipment itself air-tightness functional check is tested
Equipment is not connected into air supply system 1 and pressure reducing valve, and W2 is connected by threeway 3 and short steel pipes with J1, J2.Q1, Q2, Q3 are used
Plug blocks.Do the test of equipment itself airtight test.Test pressure control must not exceed 2MPa.
The airtight test passes judgment criteria of equipment itself: lead to 1.5MPa pressure, equipment exhaust from the air source inlet W1 of equipment
Mouth is blocked with plug, is to judge benchmark with pressure gauge reading, and pressure maintaining, which is tested, continues 1h, is depressured within 0.1MPa, is then judged as gas
Density test is qualified.
4,1 air tightness test of air supply system
Equipment is connected into air supply system 1 and pressure reducing valve.Q1, Q2, Q3 are blocked with plug.
The airtight test passes judgment criteria of air supply system 1: it is high-purity to lead to pressure 0.5+0.1MPa from the air source inlet W1 of equipment
Nitrogen carries out air seal test to 1 pipeline of air supply system, shuts hand stop valve K3, K4 in equipment, is judgement with pressure gauge reading
Benchmark, when pressure gauge P2 reading has reached 0.5MPa, closing solenoid valve 13 and gas source feed, dwell time 3min must not leak
Gas is then judged as airtight test passes.
5, external pipeline system air tightness test
Before this function test, W2 and J1 is please connected by steel pipe and 3 connector of threeway and steel pipe, external pipeline system one end connects
Q1 is met, the other end is blocked with plug.(note: test pressure must not exceed 2MPa, and otherwise overflow valve can be opened)
6, pressure settling time tests
Hand stop valve K2 is closed, computer controls solenoid valve 13 and opens, this moment timing initial value.Judgment criteria is pressure change
Device 3 is sent, when pressure sensor 3 reaches the pressure threshold 1.3MPa of inner setting, records the time this moment, and subtract each other with initial value,
It obtains pressure settling time and shows.
7, pressure reducer testing performance index
Pressure reducer outlet pressure is debugged, pressure reducer Q1 outlet pressure is 1.5MPa, and pressure reducer Q2 outlet pressure is
1.0MPa.Equipment does pressure, flow rate test, and software carries out real-time display according to the data of pressure sensor 2,3, and data can be reported
Sheet form record saves.
8, external pressure sensor is tested
External pressure sensor is accessed between W2 and J1 by threeway 3 and short steel pipes and (is not connected into air supply system 1), it is external
The data collector of the electric interfaces access device of pressure sensor.The pressure data of external pressure sensor is tested,
And compare the pressure data of test data and equipment itself, substantially judged with being made to external pressure sensor performance.
Claims (5)
1. the detection method of a kind of gas source and rudder system detection device, the gas source and rudder system detection device include gas cylinder group
Collaboration system, the gas cylinder combined system include air supply system, the air supply system air inlet to test mouth, and gas outlet is through pipe
Road, threeway connect the first pressure reducer and the second pressure reducer, it is characterised in that: further include cabinet, data collection system, control calculating
Machine and power supply unit, the gas cylinder combined system are located in cabinet, and cabinet is equipped with 5 external interface W1 interfaces, W2 and connects
Mouth, Q1 interface, Q2 interface, Q3 interface, each interface are provided with plug；
The W1 interface and W2 orifice, and be successively arranged between W1 interface and W2 interface hand stop valve K1, pressure gauge P1,
Hand stop valve K2, pressure gauge P2, first pressure transmitter, first pressure transmitter is close to W2 interface, and W2 interface is through hose
It is connected to test mouth, a solenoid valve is also parallel on hand stop valve K2；
The Q1 interface after first flowmeter, hand stop valve K3, second pressure transmitter, pressure gauge P4, the first overflow valve,
The outlet of the second pressure reducer is connected to by hose,
The Q2 interface, Q3 interface are after threeway merges, successively through second flowmeter, hand stop valve K4, third pressure inverting
After device, pressure gauge P3, the second overflow valve, the outlet of the first pressure reducer is connected to by hose；
Each pressure transmitter, flowmeter, solenoid valve are connect with data collection system, and pressure signal, flow signal are converted to
Electric signal is sent into data collection system；
The data collection system is connect with control computer by usb bus, is collected each electric signal and is transformed into number
Control computer is sent to by usb bus after signal；
After the control computer obtains the pressure signal of number, flow signal processing, it is depicted as time pressure curve and time
Flow curve is simultaneously shown；
The side of cabinet is additionally provided with J1 interface and J2 interface, and the J1 interface connects the first overflow valve and it corresponds to hose, J2
Interface connects the second overflow valve and it corresponds to hose；
The detection method includes following testing procedure
(1) air supply system pressure flow is tested
Air supply system and pressure reducing valve, load are connected into using air pressure steering engine, equipment integrated testability pressure, flow；
(2) steering engine flow rate test
It is connected into air supply system and pressure reducing valve, equipment 3 outlets is connected into air pressure steering engine, test steering engine flow；
(3) equipment itself air-tightness functional check is tested
Equipment is not connected into air supply system and pressure reducing valve, and W2 interface is connected by threeway and short steel pipes with J1 interface, J2 interface, and Q1 connects
Mouth, Q2 interface, Q3 interface are blocked with plug, do the test of equipment itself airtight test, and test pressure control must not exceed 2MPa；
The airtight test passes judgment criteria of equipment itself: lead to 1.5MPa pressure, equipment exhaust from the air source inlet W1 interface of equipment
Mouth is blocked with plug, is to judge benchmark with pressure gauge reading, and pressure maintaining, which is tested, continues 1h, is depressured within 0.1MPa, is then judged as gas
Density test is qualified；
(4) air supply system air tightness test
Equipment is connected into air supply system and pressure reducing valve, and Q1 interface, Q2 interface, Q3 interface are blocked with plug；
The airtight test passes judgment criteria of air supply system: it is high-purity to lead to pressure 0.5+0.1MPa from the air source inlet W1 interface of equipment
Nitrogen carries out air seal test to air supply system pipeline, shuts hand stop valve K3 in equipment, shuts hand stop valve K4 in equipment,
It is to judge benchmark with pressure gauge reading, when pressure gauge P2 reading has reached 0.5MPa, closes solenoid valve and gas source feed, pressure maintaining
Time 3min, must not gas leakage, then be judged as airtight test passes；
(5) external pipeline system air tightness test
Before this function test, W2 interface and J1 interface, external pipeline system one end are connected by steel pipe and three-way connection and steel pipe
Q1 interface is connected, the other end is blocked with plug；
(6) pressure settling time tests
Hand stop valve K2 is closed, computer controls solenoid valve and opens, and timing this moment is initial value, and judgment criteria is pressure inverting
Device records the time this moment, and subtract each other with initial value, obtains when pressure transmitter reaches the pressure threshold 1.3MPa of inner setting
Pressure settling time simultaneously shows；
(7) pressure reducer testing performance index
Pressure reducer outlet pressure is debugged, the first pressure reducer outlet pressure is 1.5MPa, and the second pressure reducer outlet pressure is
1.0MPa, equipment do pressure, flow rate test, and software carries out real according to the data of second pressure transmitter, third pressure transmitter
When show, data with report form record, save；
(8) external pressure sensor is tested
External pressure sensor is accessed between W2 interface and J1 interface by threeway and short steel pipes, between W2 interface and J1 interface
It is not connected into air supply system, the data collection system of the electric interfaces access device of external pressure sensor, to external pressure sensing
The pressure data of device is tested, and the pressure data of test data and equipment itself is compared.
2. the detection method of gas source according to claim 1 and rudder system detection device, it is characterised in that: gas cylinder combination
System is all made of pipeline with interface and connect, and the pipeline uses stainless-steel seamless pipe.
3. the detection method of gas source according to claim 1 and rudder system detection device, it is characterised in that: the pressure gauge
P1, pressure gauge P2, pressure gauge P3, pressure gauge P4 surface be arranged at cabinet outer wall.
4. the detection method of gas source according to claim 1 and rudder system detection device, it is characterised in that: pressure gauge P1,
The measurement range of pressure gauge P2 is 0 ~ 40MPa；0 ~ 2Mpa of measurement range of pressure gauge P3, pressure gauge P4.
5. the detection method of gas source according to claim 1 and rudder system detection device, it is characterised in that: the power supply is single
Member is 24V DC power supply.
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| CN107764541A (en) * | 2017-11-30 | 2018-03-06 | 宁波星箭航天机械有限公司 | A kind of high temperature, high pressure, angle swinging test system |
| CN110487530B (en) * | 2019-08-30 | 2021-06-15 | 四川航天长征装备制造有限公司 | Dynamic performance test system and device for pressure reducer |
| CN111043525A (en) * | 2019-10-25 | 2020-04-21 | 江西洪都航空工业集团有限责任公司 | Gas circuit test box of integrated form |
| CN114858440B (en) * | 2022-03-22 | 2024-07-30 | 中国人民解放军63796部队 | Movable filling air supply valve element reliability testing device |
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