CN107272566A - A kind of aircraft salt fog test platform intelligence control system - Google Patents
A kind of aircraft salt fog test platform intelligence control system Download PDFInfo
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- CN107272566A CN107272566A CN201710659892.XA CN201710659892A CN107272566A CN 107272566 A CN107272566 A CN 107272566A CN 201710659892 A CN201710659892 A CN 201710659892A CN 107272566 A CN107272566 A CN 107272566A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/13—Plc programming
- G05B2219/13142—Debugging, tracing
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- Automation & Control Theory (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of aircraft salt fog test platform intelligence control system, including motion control system, signal acquisition control system, hydraulic control system and safety control system, motion control system includes side to pipeline of drenching with rain, crawler belt, motor, laser displacement inspecting device and test-bed body, signal acquisition control system includes pressure sensor, acquisition module, operating system, measurer and liquid level sensor, hydraulic control system includes water pump, ball valve and tank, safety control system includes control action safeguard protection subsystem, plane distance protected subsystem and trench leak protected subsystem, the present invention carries out intelligentized control method for salt fog test action process, reflection aircraft surfaces covering bears pressure and unit interval rainfall in real time, automatically adjust hydraulic system, Automatic Control, it is easy to use and manages, all data of monitoring site and working condition.
Description
Technical field
The present invention relates to a kind of aircraft salt fog test platform intelligence control system.
Background technology
Aircraft needs to do watertight test of drenching with rain before dispatching from the factory, and verifies the seal degree of covering riveting.At present, the country drenches with rain examination
Testing platform has a lot, and support body water-supply structure design variation is little, but control mode is purely manual Operation switch start and stop, only total
Road shows pressure, and detection means is single, it is impossible to accurately reflects each skin of aircraft and bears drench with rain pressure and real-time rainfall, peace
Full measure yet imperfection, the trend of technology development is not caught up with much.
The content of the invention
In order to solve the above problems, the invention provides a kind of aircraft salt fog test platform intelligence control system, for drenching with rain
Test action process and carry out intelligentized control method, reflect accurately and in real time that aircraft surfaces covering bears pressure and unit interval rainfall
Amount, automatically adjusts hydraulic system according to pressure predetermined target value, realizes Automatic Control.
The object of the present invention is achieved like this：A kind of aircraft salt fog test platform intelligence control system, including action control
System, signal acquisition control system, hydraulic control system and safety control system,
Described motion control system, including side spray drench support body, crawler belt, motor, laser displacement inspecting device and upper pouring
Rain test stand, crawler belt be located at upper salt fog test frame in, motor driving crawler travel, aircraft be located at upper salt fog test frame in,
The top of crawler belt, the direction of motion of crawler belt is vertical with the fuselage of aircraft, and side spray drenches support body and is arranged at crawler belt side, it would be desirable to detect
Aircraft type be input in host computer, host computer according to default data automatically adjust crawler belt move, so as to drive side spray to drench
Support body is moved, and is detected displacement in real time by laser displacement inspecting device, the displacement is uploaded to by industrial computer upper
Machine, host computer output order control motor is finally reached side spray and drenches support body and the default spacing of airframe, forms closed loop control
System, makes aircraft upper surface and side surface reach requirement of drenching with rain；
Described signal acquisition control system, including multiple pressure sensors, PLC, host computer, measurer and level sensing
Device, multiple pressure sensors and liquid level sensor are connected by PLC with upper dynamoelectric signal, and PLC is connected with upper dynamoelectric signal,
Pressure sensor is fixed on aircraft surfaces covering, the pressure data signal that pressure sensor is collected is transferred to PLC, PLC
The configuration software being sent in host computer, host computer is according to the induction force of pressure sensor, induction area and effectively drenches with rain the time
By calculating current drench with rain pressure and pressure of averagely drenching with rain, and the display waveform on configuration software；Measurer, which is placed in, drenches with rain
In the range of, liquid level sensor is located in measurer, and the water droplet sprayed by pipeline of drenching with rain is fallen into measurer, and liquid level sensor will be gathered
To data PLC is sent to by current signal, PLC converts data to corresponding liquid level data transfer and enters host computer, on
Position machine configuration software according to liquid level, measurer volume and time of drenching with rain by calculating real-time rainfall, it is and soft in configuration
Display waveform on part, all test datas at host computer configuration software monitoring scene, generation real-time curve and history curve；
Described hydraulic control system, including water pump, ball valve, a plurality of spray pipeline, water pump are connected with upper dynamoelectric signal,
Water pump is connected by ball valve with cistern, and water pump is sequentially installed with ratio by connecting on a plurality of spray pipeline, every spray pipeline
Example valve, pressure transmitter and multiple nozzles, salt fog test are returned in tank with water via discharge pipe line and filter, pressure
Transmitter collection descaling line pressure pick-up analog signalses are passed to PLC, and PLC is according to the proportioning valve of the pressure value of calculating to each branch road
Automatically adjust, each branch water pipe length, the influence of height and angle to pressure are adapted to automatically, when spray pipeline pressure exceedes
During 9 atmospheric pressure, alarm, while host computer transmission signal stops pump working；
Described safety control system, including control action safeguard protection subsystem, plane distance protected subsystem and pump
Stand leak protected subsystem,
Be provided with described control action safeguard protection subsystem, motor axle turn absolute value encoder, work as side
When spraying support body movement, motor shaft drives the absolute value encoder inner ring that turn to rotate more, and displacement signal pick-up is input to PLC, and PLC is real
When turn absolute value encoder numerical value, automatically cut off motor power supply when offset deviation exceedes setting value, prevent side
Spray support body causes malformation because of movement deviation,
Described plane distance protected subsystem, drenches on support body in side spray and is provided with laser displacement inspecting device, laser displacement
Detector connects PLC, and PLC detects that side spray drenches support body and plane distance in real time, when side spray, which drenches support body, is less than setting value away from aircraft
Interrupt action control system,
Described pumping plant leak protected subsystem, hydraulic power unit is arranged in the underground pump house below upper salt fog test frame,
Water leakage alarm main frame and water leakage detection line are installed in hydraulic power unit, water leakage detection line detects leak, and water leakage alarm main frame is passed
Host computer is defeated by, alarm lamp flashes and sends audible alarm.
The present invention effect and benefit be：Automatic Control can be realized, user-friendly and management is monitored existing in real time
There are data and working condition in place, improves test efficiency.
Brief description of the drawings
Fig. 1 is motion control system structural representation of the invention.
Fig. 2 is the action control schematic diagram of the motion control system of the present invention.
Fig. 3 is electric control theory figure of the invention.
Fig. 4 is the measurement scheme schematic diagram of pressure sensor in signal acquisition control system of the invention.
Fig. 5 is liquid level sensor measurement rainfall solution principle figure in the signal acquisition control system of the present invention.
Fig. 6 is hydraulic control system schematic diagram of the invention.
Fig. 7 is hydraulic control flow chart of the invention.
Embodiment
The present invention is further explained below according to Figure of description citing：
Embodiment 1
With reference to shown in Fig. 1-7, a kind of aircraft salt fog test platform intelligence control system, the aircraft salt fog test platform is intelligently controlled
System processed includes：
Described motion control system, including side spray drench support body 1, crawler belt 2, motor 3, the and of laser displacement inspecting device 4
Upper salt fog test frame 5, crawler belt 2 is located in upper salt fog test frame 5, and the driving crawler belt 2 of motor 3 is walked, and aircraft, which is located at, above drenches with rain
Test stand 5 is interior, the top of crawler belt 2, and the direction of motion of crawler belt 2 is vertical with the fuselage of aircraft, and side spray drenches support body 1 and is arranged at crawler belt 2
Side, it would be desirable to which the aircraft type of detection is input in host computer 8, host computer 8 automatically adjusts crawler belt according to default data and moved
It is dynamic, moved so as to drive side spray to drench support body 1, displacement is detected by laser displacement inspecting device 4 in real time, the displacement is led to
Cross industrial computer and upload to host computer 8, the output order of host computer 8 control motor 3 is finally reached side spray and drenches support body and aircraft machine
Body presets spacing, forms closed-loop control, aircraft upper surface and side surface is reached requirement of drenching with rain；
Described signal acquisition control system, including multiple pressure sensors 6, PLC 7, host computer 8, measurer 9 and liquid level
Sensor 10, multiple pressure sensors 6 and liquid level sensor 10 are connected by PLC 7 with upper dynamoelectric signal, PLC 7 with it is upper
The electric signal of machine 8 connect, pressure sensor 6 is fixed on aircraft surfaces covering, the number pressure that pressure sensor 6 is collected it is believed that
Number PLC 7 is transferred to, the configuration software that PLC 7 is sent in host computer 8, host computer 8 is currently drenched with rain according to by calculating
Pressure and pressure of averagely drenching with rain, and the display waveform on configuration software；Measurer 9 is placed in drench with rain in the range of, liquid level sensor 10
In measurer 9, the water droplet sprayed by pipeline of drenching with rain is fallen into measurer 9, and liquid level sensor 10 passes through the data collected
Current signal is sent to PLC 7, and PLC 7 converts data to corresponding liquid level data transfer and enters host computer 8,8 groups of host computer
State software shows according to liquid level, measurer volume and time of drenching with rain by calculating real-time rainfall, and on configuration software
Oscillography shape, all test datas at the configuration software of host computer 8 monitoring scene, generation real-time curve and history curve；
Described hydraulic control system, including water pump 11, ball valve 12, a plurality of spray pipeline, water pump 11 and the telecommunications of host computer 8
Number connection, water pump 11 is connected by ball valve 12 with cistern 13, and water pump 11 is by connecting a plurality of spray pipeline, every spray pipeline
On be sequentially installed with proportioning valve 15, pressure transmitter 14 and multiple nozzles 18, the use water of salt fog test is via the He of discharge pipe line 16
Filter 17 is returned in tank 13, and the collection descaling line pressure pick-up analog signalses of pressure transmitter 14 are passed to PLC 7, PLC
7 automatically adjust according to the pressure value of calculating to the proportioning valve 15 of each branch road, adapt to automatically each branch water pipe length, height and
Influence of the angle to pressure, when spray pipeline pressure is more than 9 atmospheric pressure, alarm lamp flicker, while host computer 8 transmits signal
Stop water pump 11 to work；
Described safety control system, including control action safeguard protection subsystem, plane distance protected subsystem and pump
Stand leak protected subsystem,
It is provided with described control action safeguard protection subsystem, the axle of motor 3 and turns absolute value encoder XSS- more
3515CS84CBN, when side spray, which drenches support body 1, to be moved, the axle of motor 3 drives the absolute value encoder inner ring that turn to rotate more, displacement signal
Pick-up is input to PLC 7, and PLC 7 in real time more turns absolute value encoder numerical value, is cut automatically when offset deviation is more than 10mm
The disconnected power supply of motor 3, prevention side spray drenches support body 1 because movement deviation causes malformation,
Described plane distance protected subsystem, drenches in side spray and laser displacement inspecting device 4 is provided with support body 1, laser position
Moving the connection of detector 4 PLC 7, PLC 7, detection side spray drenches support body 1 and plane distance in real time, and drench support body 1 when side spray is less than away from aircraft
Interrupt action control system at 0.5 meter,
Described pumping plant leak protected subsystem, hydraulic power unit is arranged in the underground pump house of the upper lower section of salt fog test frame 5,
WSAS water leakage alarms main frame and water leakage detection line TT-200 are installed in hydraulic power unit, water leakage detection line detects leak, leak
Alarm host machine is transferred to host computer 8, and alarm lamp flashes and sends audible alarm.
The electric security protector of the system, main power circuit access breaker and fuse, short circuit and mistake are played to equipment
Protection is carried, control electric power loop access earth leakage protective device carries out prevention, the upper main power source of salt fog test frame 5 to ancillary equipment electric leakage
Using 5 line inlet wires, PE and N lines are completely isolated, and various device housings carry out grounding safety protection,
The present invention is operationally：Motion control system is preset spacing by operating system 8 according to aircraft size and carried out certainly
Dynamic adjusting position, makes aircraft upper surface and side surface to reach requirement of drenching with rain；Pressure sensor 6 is fixed on into aircraft surfaces to cover
Pi Shang, is drenched with rain by the collection of pressure sensor 6 and pressure data and signal is fed back into operating system 8 carries out data processing and meter
Calculate, current pressure waveform and average pressure value waveform are shown by configuration software and archive is recorded, is adopted by liquid level sensor 10
Collect rainfall product data and signal is fed back into operating system 8 and calculated, by configuration software unit of display time rainfall simultaneously
Achieve, all test datas at the configuration software of operating system 8 monitoring scene, generation real-time curve and history curve are produced various
Real-time form and history report, alarm etc.；The historical query that user carries out each batch of product testing is also provided simultaneously, and to drenching with rain
Journey is controlled.Configuration picture compiling action control, hydraulic control, equipment state such as show, alarmed at the multi-picture；Hydraulic control
System automatically adjusts according to the pressure value of collection to the pressure of each branch road, adapt to automatically each branch water pipe length, height and
Angle pair and the influence of pressure, by carrying out software programming to hardware PLC and control computer, gather aircraft surfaces covering pressure
Carry out comparing to form closed loop in real time with circuit pressure feedback signal, form loine pressure automated intelligent adjustment of drenching with rain, make system pair
The control accuracy of pressure reaches point-device degree.Collection line pressure enters with default covering pressure value in the course of the work
Row compares in real time, gradually increases major loop pressure by fixed amplification initially through frequency control main motor, when more than desired value
Main line pressure is then kept, each branch pressure is finely tuned successively, interfering for each branch pressure is eliminated, overall drench with rain is tended to be flat
Weighing apparatus state, the various measures that safety control system is done for protection salt fog test platform and aircraft and live personal safety.
Claims (1)
1. a kind of aircraft salt fog test platform intelligence control system, including motion control system, signal acquisition control system, hydraulic pressure control
System processed and safety control system, it is characterised in that：
Described motion control system, including side spray drench support body (1), crawler belt (2), motor (3), laser displacement inspecting device
(4) and upper salt fog test frame (5), crawler belt (2) is located in upper salt fog test frame (5), motor (3) driving crawler belt (2) walking,
Aircraft is located in upper salt fog test frame (5), the top of crawler belt (2), and the direction of motion of crawler belt (2) is vertical with the fuselage of aircraft, side
Spray support body (1) is arranged at crawler belt (2) side, it would be desirable to which the aircraft type of detection is input in host computer (8), host computer (8)
Crawler belt movement is automatically adjusted according to default data, so as to drive side spray to drench support body (1) movement, passes through laser displacement inspecting device
(4) displacement is detected in real time, and the displacement is uploaded into host computer (8), host computer (8) output order control by industrial computer
Motor (3) processed, is finally reached side spray and drenches support body and the default spacing of airframe, form closed-loop control, make aircraft upper surface
Requirement of drenching with rain is reached with side surface；
Described signal acquisition control system, including multiple pressure sensors (6), PLC (7), host computer (8), measurer (9) and liquid
Level sensor (10), multiple pressure sensors (6) and liquid level sensor (10) are connected by PLC (7) with upper dynamoelectric signal,
PLC (7) is connected with host computer (8) electric signal, and pressure sensor (6) is fixed on aircraft surfaces covering, pressure sensor (6)
The pressure data signal collected is transferred to PLC (7), and PLC (7) is sent to the configuration software in host computer (8), host computer (8)
According to by calculating current drench with rain pressure and pressure of averagely drenching with rain, and the display waveform on configuration software；Measurer (9) is laid
In the range of drenching with rain, liquid level sensor (10) is located in measurer (9), and the water droplet sprayed by pipeline of drenching with rain is fallen into measurer (9),
The data collected are sent to PLC (7) by liquid level sensor (10) by current signal, and PLC (7) converts data to corresponding
Liquid level data transfer enters host computer (8), and host computer (8) configuration software leads to according to liquid level, measurer volume and time of drenching with rain
Cross and calculate real-time rainfall, and the display waveform on configuration software, all examinations at host computer (8) configuration software monitoring scene
Test data, generation real-time curve and history curve；
Described hydraulic control system, including water pump (11), ball valve (12), a plurality of spray pipeline, water pump (11) and host computer (8)
Electric signal is connected, and water pump (11) is connected by ball valve (12) with cistern (13), water pump (11) by connecting a plurality of spray pipeline,
Proportioning valve (15), pressure transmitter (14) and multiple nozzles (18), the use of salt fog test are sequentially installed with every spray pipeline
Water is returned in tank (13) via discharge pipe line (16) and filter (17), pressure transmitter (14) collection descaling line pressure pick-up
Analog signalses are passed to PLC (7), and PLC (7) is adjusted automatically according to the pressure value of calculating to the proportioning valve (15) of each branch road
Section, adapts to each branch water pipe length, the influence of height and angle to pressure, when more than 9 atmospheric pressure of spray pipeline pressure automatically
When, alarm, while host computer (8) transmission signal stops water pump (11) work；
Described safety control system, including control action safeguard protection subsystem, plane distance protected subsystem and pumping plant leakage
Water conservation subsystem,
Be provided with described control action safeguard protection subsystem, motor (3) axle turn absolute value encoder, work as side spray
When drenching support body (1) movement, motor (3) axle drives the absolute value encoder inner ring that turn to rotate more, and displacement signal pick-up is input to PLC
(7), PLC (7) in real time more turns absolute value encoder numerical value, and motor is automatically cut off when offset deviation exceedes setting value
(3) power supply, prevention side spray drenches support body (1) because movement deviation causes malformation,
Described plane distance protected subsystem, drenches in side spray and laser displacement inspecting device (4) is provided with support body (1), laser position
Move detector (4) connection PLC (7), detection side spray drenches support body (1) and plane distance to PLC (7) in real time, when side spray drench support body (1) away from
Interrupt action control system when aircraft is less than setting value,
Described pumping plant leak protected subsystem, hydraulic power unit is arranged in the underground pump house below upper salt fog test frame (5),
Water leakage alarm main frame and water leakage detection line are installed, water leakage detection line detects leak, the transmission of water leakage alarm main frame in hydraulic power unit
Host computer (8) is given, alarm lamp flashes and sends audible alarm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710659892.XA CN107272566B (en) | 2017-08-04 | 2017-08-04 | A kind of aircraft salt fog test platform intelligence control system |
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| CN201710659892.XA CN107272566B (en) | 2017-08-04 | 2017-08-04 | A kind of aircraft salt fog test platform intelligence control system |
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| CN107272566B CN107272566B (en) | 2019-06-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716964A (en) * | 2018-04-25 | 2018-10-30 | 中铁第四勘察设计院集团有限公司 | A kind of tramcar intelligence rain test device |
| CN112834119A (en) * | 2020-12-30 | 2021-05-25 | 长沙市致能电子科技有限公司 | Multi-model helicopter spraying system |
| CN113504060A (en) * | 2021-05-28 | 2021-10-15 | 中国核电工程有限公司 | Testing device and testing method applied to water spray fire extinguishing system of nuclear power plant |
| CN113899410A (en) * | 2021-12-13 | 2022-01-07 | 中国飞机强度研究所 | Rainfall intensity and uniformity calibration system and calibration method for aircraft test |
| CN113932976A (en) * | 2021-12-17 | 2022-01-14 | 中国飞机强度研究所 | Airplane rain test control system and control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716964A (en) * | 2018-04-25 | 2018-10-30 | 中铁第四勘察设计院集团有限公司 | A kind of tramcar intelligence rain test device |
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| CN112834119A (en) * | 2020-12-30 | 2021-05-25 | 长沙市致能电子科技有限公司 | Multi-model helicopter spraying system |
| CN112834119B (en) * | 2020-12-30 | 2023-02-28 | 致能科技有限公司 | Multi-model helicopter spraying system |
| CN113504060A (en) * | 2021-05-28 | 2021-10-15 | 中国核电工程有限公司 | Testing device and testing method applied to water spray fire extinguishing system of nuclear power plant |
| CN113899410A (en) * | 2021-12-13 | 2022-01-07 | 中国飞机强度研究所 | Rainfall intensity and uniformity calibration system and calibration method for aircraft test |
| CN113932976A (en) * | 2021-12-17 | 2022-01-14 | 中国飞机强度研究所 | Airplane rain test control system and control method |
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| Publication number | Publication date |
|---|---|
| CN107272566B (en) | 2019-06-18 |
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