CN107272566B - 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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- CN107272566B CN107272566B CN201710659892.XA CN201710659892A CN107272566B CN 107272566 B CN107272566 B CN 107272566B CN 201710659892 A CN201710659892 A CN 201710659892A CN 107272566 B CN107272566 B CN 107272566B
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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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- Engineering & Computer Science (AREA)
- 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 that side direction is drenched with rain pipeline, 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, the born pressure of reflection aircraft surfaces covering and unit time rainfall in real time, automatically adjust hydraulic system, Automatic Control, it is easy to use and manages, all data of monitoring site and work shape State.
Description
Technical field
The present invention relates to a kind of aircraft salt fog test platform intelligence control systems.
Background technique
Aircraft needs to do watertight test of drenching with rain before factory, verifies the seal degree of covering riveting.The examination currently, country drenches with rain
Testing platform has very much, and frame 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, not can accurately reflect each skin of aircraft and bears drench with rain pressure and real-time rainfall, peace
Full measure is also not perfect, does not catch up with the trend of technology development much.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of aircraft salt fog test platform intelligence control systems, for drenching with rain
It tests action process and carries out intelligentized control method, accurately and in real time reflect the born pressure of aircraft surfaces covering and unit time 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,
The motion control system, including side spray leaching frame body, crawler belt, driving motor, laser displacement inspecting device and upper leaching
Rain test stand, crawler belt are located in upper salt fog test frame, and driving motor drives crawler travel, aircraft be located at upper salt fog test frame it is interior,
The top of crawler belt, the direction of motion of crawler belt and the fuselage of aircraft are vertical, and side spray leaching frame body is set to crawler belt side, will need to detect
Aircraft type be input in host computer, it is mobile that host computer according to preset data automatically adjusts crawler belt, so that side spray be driven to drench
Frame body is mobile, by laser displacement inspecting device real-time detection moving distance, which is uploaded to by industrial personal computer upper
Machine, host computer output order control driving motor, are finally reached side spray leaching frame body and airframe presets spacing, form closed loop control
System, makes aircraft upper surface and side surface reach requirement of drenching with rain；
The signal acquisition control system, including multiple pressure sensors, PLC, host computer, measurer and level sensing
Device, multiple pressure sensors and liquid level sensor are connect by PLC with upper dynamoelectric signal, and PLC is connect with upper dynamoelectric signal,
Pressure sensor is fixed on aircraft surfaces covering, the collected pressure data signal of pressure sensor is transferred to PLC, PLC
It is transmitted to host computer, the configuration software in host computer is according to the induction force of pressure sensor, sensing area and effectively drenches with rain the time
It pressure and is averagely drenched with rain pressure, and the display waveform on configuration software by being calculated currently to drench with rain；Measurer, which is placed in, drenches with rain
In range, liquid level sensor is located in measurer, is fallen into measurer by the water droplet for pipeline ejection of drenching with rain, liquid level sensor will acquire
To data PLC is transmitted 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 the way that real-time rainfall is calculated, and it is soft in configuration
Display waveform on part, all test datas at host computer configuration software monitoring scene, generates real-time curve and history curve；
The hydraulic control system, including water pump, ball valve, a plurality of spray pipeline, water pump are connect with upper dynamoelectric signal,
Water pump is connect by ball valve with reservoir, and water pump is sequentially installed with ratio on every spray pipeline by connecting a plurality of 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 acquisition descaling line pressure pick-up analog signals are passed to PLC, and PLC is according to the pressure value of calculating to the proportioning valve of each branch
It automatically adjusts, adapts to each branch water pipe length, the influence of height and angle to pressure automatically, when spray pipeline pressure is more than
When 9 atmospheric pressure, alarm, while host computer transmission signal stops pump working；
The safety control system, including control action safeguard protection subsystem, plane distance protected subsystem and pump
It stands leak protected subsystem,
The control action safeguard protection subsystem, be equipped in drive motor shaft turn absolute value encoder, work as side
When spraying frame 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 driving motor power supply when offset deviation is more than setting value, prevent side
Spray frame body leads to malformation because of movement deviation,
The plane distance protected subsystem is equipped with laser displacement inspecting device, laser displacement on side spray leaching frame body
Detector connects PLC, and PLC real-time detection side spray drenches frame body and plane distance, when side spray leaching frame body is less than setting value away from aircraft
Interrupt action control system,
The pumping plant leak protected subsystem, hydraulic power unit are mounted in the underground pump house below salt fog test frame,
Water leakage alarm host and water leakage detection line are installed in hydraulic power unit, water leakage detection line detects leak, and water leakage alarm host passes
It is defeated by host computer, alarm lamp flashes and makes a sound alarm.
Effect and benefit of the invention are as follows: can be realized Automatic Control, user-friendly and management, real time monitoring is now
There are data and working condition in place, improves test efficiency.
Detailed description of the invention
Fig. 1 is motion control system structural schematic diagram of the invention.
Fig. 2 is the action control schematic diagram of motion control system of the 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 that liquid level sensor measures rainfall schematic diagram in signal acquisition control system of the invention.
Fig. 6 is hydraulic control system schematic diagram of the invention.
Fig. 7 is hydraulic control flow chart of the invention.
Specific embodiment
The present invention is further explained below according to Figure of description citing:
Embodiment 1
In conjunction with 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:
The motion control system, including side spray drench frame body 1, crawler belt 2, driving motor 3,4 and of laser displacement inspecting device
Upper salt fog test frame 5, crawler belt 2 are located in upper salt fog test frame 5, and driving motor 3 drives crawler belt 2 to walk, and aircraft, which is located at, above drenches with rain
In test stand 5, the top of crawler belt 2, the direction of motion of crawler belt 2 and the fuselage of aircraft are vertical, and side spray leaching frame body 1 is set to crawler belt 2
Side will need the aircraft type detected to be input in host computer 8, and host computer 8 automatically adjusts crawler belt according to preset data and moves
It is dynamic, to drive side spray leaching frame body 1 mobile, by 4 real-time detection moving distance of laser displacement inspecting device, which is led to
It crosses industrial personal computer and uploads to host computer 8,8 output order of host computer controls driving motor 3, is finally reached side spray leaching frame body and aircraft machine
Body presets spacing, forms closed-loop control, aircraft upper surface and side surface is made to reach requirement of drenching with rain；
The 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 connect by PLC 7 with upper dynamoelectric signal, PLC 7 with it is upper
8 electric signal of machine connection, pressure sensor 6 is fixed on aircraft surfaces covering, the collected number pressure of pressure sensor 6 it is believed that
Number it is transferred to PLC 7, PLC 7 is transmitted to host computer 8, and the configuration software in host computer 8 is currently drenched with rain according to by being calculated
Pressure and pressure of averagely drenching with rain, and the display waveform on configuration software；Measurer 9, which is placed in, drenches with rain in range, liquid level sensor 10
In measurer 9, fallen into measurer 9 by the water droplet for pipeline ejection of drenching with rain, liquid level sensor 10 passes through collected data
Current signal is transmitted to PLC 7, and PLC 7 converts data to corresponding liquid level data transfer and enters host computer 8, and 8 groups of host computer
State software is shown according to liquid level, measurer volume and time of drenching with rain by the way that real-time rainfall is calculated, and on configuration software
Oscillography shape, all test datas at 8 configuration software of host computer monitoring scene, generates real-time curve and history curve；
The hydraulic control system, including water pump 11, ball valve 12, a plurality of spray pipeline, water pump 11 and 8 telecommunications of host computer
Number connection, water pump 11 connects by ball valve 12 with reservoir 13, and water pump 11 passes through a plurality of spray pipeline of connection, every spray pipeline
On be sequentially installed with proportioning valve 15, pressure transmitter 14 and multiple nozzles 18, salt fog test with water via 16 He of discharge pipe line
Filter 17 returns in tank 13, and pressure transmitter 14 acquires descaling line pressure pick-up analog signals and is passed to PLC 7, PLC
7 automatically adjust to the proportioning valve 15 of each branch according to the pressure value of calculating, 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 flashing, while host computer 8 transmits signal
Stop water pump 11 to work；
The safety control system, including control action safeguard protection subsystem, plane distance protected subsystem and pump
It stands leak protected subsystem,
The control action safeguard protection subsystem is equipped on 3 axis of driving motor and turns absolute value encoder XSS- more
3515CS84CBN, when side spray leaching frame body 1 is mobile, 3 axis of motor 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, cuts automatically when offset deviation is more than 10mm
Disconnected 3 power supply of driving motor, prevention side spray leaching frame body 1 because movement deviation leads to malformation,
The plane distance protected subsystem is equipped with laser displacement inspecting device 4, laser position on side spray leaching frame body 1
It moves detector 4 and connects PLC 7,7 real-time detection side spray of PLC drenches frame body 1 and plane distance, when side spray leaching frame body 1 is less than away from aircraft
Interrupt action control system at 0.5 meter,
The pumping plant leak protected subsystem, hydraulic power unit are mounted in the underground pump house of 5 lower section of salt fog test frame,
WSAS water leakage alarm host is installed in hydraulic power unit and water leakage detection line TT-200, water leakage detection line detect leak, leak
Alarm host machine is transferred to host computer 8, and alarm lamp flashes and makes a sound alarm.
The electric security protector of this system, main power circuit access breaker and fuse, play short circuit and mistake to equipment
Protection is carried, control electric power loop accesses earth leakage protective device, carries out prevention, upper 5 main power source of salt fog test frame to peripheral equipment electric leakage
Using 5 line inlet wires, PE and N line is completely isolated, and various device housings carry out grounding safety protection,
The present invention is at work: motion control system according to aircraft size by operating system 8 preset spacing carry out from
Dynamic adjusting position, makes aircraft upper surface and side surface that can reach requirement of drenching with rain；Pressure sensor 6 is fixed on aircraft surfaces to cover
Pi Shang is acquired by pressure sensor 6 and is drenched with rain pressure data and signal is fed back to the progress data processing of operating system 8 and meter
It calculates, current pressure waveform and average pressure value waveform are shown by configuration software and records archive, adopted by liquid level sensor 10
Collect rainfall product data and signal is fed back into operating system 8 and calculate, simultaneously by configuration software unit of display time rainfall
It achieves, all test datas at 8 configuration software of operating system monitoring scene generate real-time curve and history curve, generate various
Real-time report and history report, alarm etc.；User is also provided simultaneously and carries out the historical query of each batch of product testing, and to drenching with rain
Cheng Jinhang control.Configuration picture compiling action control, hydraulic control, equipment state such as show, alarm at the multi-pictures；Hydraulic control
System automatically adjusts to the pressure of each branch according to the pressure value of acquisition, adapt to automatically each branch water pipe length, height and
The influence of angle pair and pressure acquires aircraft surfaces covering pressure by carrying out software programming to hardware PLC and control computer
It carries out relatively forming closed loop in real time with circuit pressure feedback signal, forms loine pressure automated intelligent adjustment of drenching with rain, make system pair
The control precision of pressure reaches point-device degree.During the work time acquisition line pressure and default covering pressure value into
Row relatively, is gradually increased major loop pressure by fixed amplification initially through frequency control main motor, when being more than target value in real time
Main line pressure is then kept, each branch pressure is successively finely tuned, eliminates interfering with each other for each branch pressure, overall drench with rain is made to tend 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 control
System processed and safety control system, it is characterised in that:
The motion control system, including side spray drench frame body (1), crawler belt (2), driving motor (3), laser displacement inspecting device
(4) it is located in upper salt fog test frame (5) with upper salt fog test frame (5), crawler belt (2), driving motor (3) drives 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 frame body (1) is set to crawler belt (2) side, the aircraft type detected will be needed to be input in host computer (8), host computer (8)
It is mobile that crawler belt is automatically adjusted according to preset data, to drive side spray leaching frame body (1) mobile, passes through laser displacement inspecting device
(4) real-time detection moving distance is uploaded to the moving distance host computer (8) by PLC (7), host computer (8) output order control
Driving motor (3) processed, is finally reached side spray leaching frame body and airframe presets spacing, forms closed-loop control, makes aircraft upper surface
Reach requirement of drenching with rain with side surface；
The 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 connect by PLC (7) with upper dynamoelectric signal,
PLC (7) is connect with host computer (8) electric signal, and pressure sensor (6) is fixed on aircraft surfaces covering, pressure sensor (6)
Collected pressure data signal is transferred to PLC (7), and PLC (7) is transmitted to host computer (8), the configuration software in host computer (8)
It pressure and is averagely drenched with rain pressure, and the display waveform on configuration software by being calculated currently to drench with rain；Measurer (9) is placed in leaching
Within the scope of rain, liquid level sensor (10) is located in measurer (9), is fallen into measurer (9) by the water droplet for pipeline ejection of drenching with rain, liquid level
Collected data are transmitted to PLC (7) by sensor (10) by current signal, and PLC (7) converts data to corresponding liquid level
For data transfer to host computer (8), host computer (8) configuration software passes through calculating according to liquid level, measurer volume and time of drenching with rain
Obtain real-time rainfall, and the display waveform on configuration software, all test numbers at host computer (8) configuration software monitoring scene
According to generation real-time curve and history curve；
The hydraulic control system, including water pump (11), ball valve (12), a plurality of spray pipeline, water pump (11) and host computer (8)
Electric signal connection, water pump (11) are connect by ball valve (12) with reservoir (13), and water pump (11) is connect with a plurality of spray pipeline, often
Proportioning valve (15), pressure transmitter (14) and multiple nozzles (18), salt fog test, which are sequentially installed with, on spray pipeline uses water
It is returned in reservoir (13) via discharge pipe line (16) and filter (17), pressure transmitter (14) acquires descaling line pressure pick-up
Analog signals are passed to PLC (7), and PLC (7) adjusts the proportioning valve (15) of each branch according to the pressure value of calculating automatically
Section, adapts to each branch water pipe length, the influence of height and angle to pressure, when spray pipeline pressure is more than 9 atmospheric pressure automatically
When, alarm, while host computer (8) transmission signal stops water pump (11) work；
The safety control system, including control action safeguard protection subsystem, plane distance protected subsystem and pumping plant leakage
Water conservation subsystem,
The control action safeguard protection subsystem, be equipped on driving motor (3) axis turn absolute value encoder, work as side spray
When drenching frame body (1) movement, motor (3) axis 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, automatically cuts off driving motor when offset deviation is more than setting value
(3) power supply, prevention side spray leaching frame body (1) lead to malformation because of movement deviation,
The plane distance protected subsystem is equipped with laser displacement inspecting device (4), laser position in side spray leaching frame body (1)
Move detector (4) connection PLC (7), PLC (7) real-time detection side spray drenches frame body (1) and plane distance, when side spray leaching frame body (1) away from
Interrupt action control system when aircraft is less than setting value,
The pumping plant leak protected subsystem, hydraulic power unit are mounted in the underground pump house below salt fog test frame (5),
Installation water leakage alarm host and water leakage detection line in hydraulic power unit, water leakage detection line detect leak, the transmission of water leakage alarm host
It gives host computer (8), alarm lamp flashes and makes a sound alarm.
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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 true CN107272566B (en) | 2019-06-18 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108716964B (en) * | 2018-04-25 | 2022-04-08 | 中铁第四勘察设计院集团有限公司 | Tram intelligence test device that drenches with rain |
| 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 |
| CN113932976B (en) * | 2021-12-17 | 2022-03-18 | 中国飞机强度研究所 | Airplane rain test control system and control method |
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