CN110127082A - A kind of four station of aviation guarantee comprehensive detection case group - Google Patents
A kind of four station of aviation guarantee comprehensive detection case group Download PDFInfo
- Publication number
- CN110127082A CN110127082A CN201910398119.1A CN201910398119A CN110127082A CN 110127082 A CN110127082 A CN 110127082A CN 201910398119 A CN201910398119 A CN 201910398119A CN 110127082 A CN110127082 A CN 110127082A
- Authority
- CN
- China
- Prior art keywords
- detection
- power
- module
- equipment
- case group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fuel Cell (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of four stations of aviation to ensure comprehensive detection case group, including chassis and cabinet, gas detecting system, power detection system, hydrazine fuel detection system, electric control system and data management system.Chassis and cabinet are used for loading, protection and the transport of detection module；Gas detecting system is detected for gas dew point and Leakage inspection；Power detection system can be detected for circuit isolation performance detection, insulating resistance measuring, supply vehicle boosting property conversion, power quality detection and accumulator cell charging and discharging are analyzed；Hydrazine fuel detection system is used for hydrazine fuel leak detection；Electric control system provides power supply for equipment in case group；Data management system is for different equipment detection data collection managements, equipment information management, detection device information and maintenance management, human-computer interaction fault diagnosis, help and training etc..The present invention has the advantages that small in size, integrated level is high, easy to carry, is mainly used for outfield medium and the standby detection of installing, facilitates and use under field condition.
Description
Technical field
The present invention relates to testing equipment fields, and in particular to a kind of four station of aviation guarantee comprehensive detection case group.
Background technique
Four station outfield of aviation ensures that project is more, standard requirements are high, and existing instrument and equipment volume is not of uniform size, detection method is fallen
Afterwards, interior outfield transhipment is inconvenient to carry；Existing detection installing is standby using detection immediately, immediately the single treatments mode such as printing, does not have
There is systematic data, can not be focused on, it is even more impossible to provide data supporting to later period accident analysis；Also, existing detection
Equipment input power wide variety, under existing outfield guarantee condition, can not effective guarantee power supply persistently supply.
In conclusion currently without small, integrated level is high, four station of aviation applied widely ensures comprehensive detection case
Group.
Summary of the invention
The invention discloses a kind of four stations of aviation to ensure comprehensive detection case group, to solve the shortcomings of the prior art.
The present invention is realized by following technical scheme:
A kind of four station of aviation ensures comprehensive detection case group, including chassis and cabinet and be located in the box body gas detecting system,
Power detection system, hydrazine fuel detection system, electric control system and data management system；The gas detecting system is used for gas
The detection of body dew point and Leakage inspection；The power detection system is used for circuit isolation performance detection, insulating resistance measuring, electricity
Vehicle boosting property conversion in source can detect, power quality detection and accumulator cell charging and discharging are analyzed；The hydrazine fuel detection system is used for hydrazine
Fuel leak detection；The electric control system provides power supply for equipment in case group；The data management system is not for
With equipment detection data collection management, equipment information management, detection device information and maintenance management, human-computer interaction fault diagnosis,
It helps and trains.
Preferably, the gas detecting system includes gas dew point detection module, Leakage inspection module；The gas
Dew point detection module includes check valve, pressure reducing valve, flowmeter, dew point hygrometer, three sampling lines；The Leakage inspection module
Including oxygen concentration detecting instrument and ultrasonic wave leak detector；A sampling line in three sampling lines is sampled as nitrogen
Pipeline, another sampling line are as oxygen sampling line, last root sampling line is as cold air sampling line；Described three
Be serially connected with check valve in sampling line respectively, and three sampling lines converge after piece total air delivering pipeline of formation, it is total defeated at this
Oxygen concentration detecting instrument, pressure reducing valve, ultrasonic wave leak detector, flowmeter, dew point hygrometer are connected in air pipe.
Preferably, the power detection system include circuit isolation performance detection module, equipment ground resistance quickly detect
Module, supply vehicle boost performance detection module, power quality detection module and ice storing time module；The circuit isolation performance
Detection module includes insulation pressure tester, is set by upper and lower limits and realizes fully-automatic intelligent decision-making function, can be automatic
It identifies abnormality, has over-voltage, under-voltage, overcurrent protection, sound-light alarm is provided；The quick detection module packet of equipment ground resistance
Earth resistance tester is included, the ground resistance resistance value to quick testing equipment.
Preferably, the supply vehicle boost performance detection module includes boost conversion control cabinet and boosting load box；
The boost conversion control cabinet includes two groups of shift control modules, every group of shift control module include an aviation socket with
And a set of FPGA control system；In the detection process, the plug output voltage processing point that FPGA control system arrives real-time detection
Analysis.Boost load box, can connect according to aircraft starting duty is simulated after the received plane simulation start signal of control system, can pass through
FPGA observes the voltage in 1, No. 3 and 2, No. 3 hole, and examines the carrying load ability of supply vehicle, comprehensive descision supply vehicle boost conversion
Whether function is normal, provides means of testing for the functional verification of supply vehicle boost conversion, component inspection maintenance.
Preferably, the power quality detection module include test load module, electrical signal collection system, power input insert
Seat and control system；The test load module includes 115V/200V three-phase alternating-current supply test module, 28.5V DC power supply
Test module, 270V DC power supply test module three parts；The electrical signal collection system includes AC voltage sensor, exchange
Current sensor, frequency sensor, direct current voltage sensor, DC current sensor, A/D conversion module, by signal acquisition,
Industry control display is sent to after A/D module processing, operational analysis shows acquisition parameter；The power input socket packet
The socket of 115V/200V containing midfrequent AC, direct current 28.5V socket, direct current 270V socket and 28/57V DC boosting socket；It is described
Control system includes military exchange aviation contactor and military direct current aviation contactor, is turned for controlling each detection load increase and decrease
It changes.
Preferably, the hydrazine fuel detection system uses hydrazine fuel leakage detector, thin using hydrazine steam conducting polymer
The Concentration Testing of film ultra-sensitive chemical sensor progress hydrazine.
Preferably, the data management system includes Industrial touch screen all-in-one machine, printer, Portable data acquisition instrument；Number
It is carried on industrial personal computer and Portable data acquisition instrument according to Information Management System Software, by the system, it can be achieved that different equipment inspections
Measured data collection management, equipment information management, detection device information and maintenance management, human-computer interaction fault diagnosis, help and training
Instruction.
Preferably, it is described include power-switching circuit, charging circuit, FPGA control system, power frequency supply input socket with
Plug；The power-switching circuit includes input power switching circuit and ac-dc converter circuit, the input power switching
Circuit includes alternating current switching breaker and battery switching breaker, passes through power switching switch S1 control selections different systems
Power supply；The ac-dc converter circuit includes direct current 24V- alternating current 220V conversion module DA, alternating current 220V -24V conversion module DA1
And alternating current 220V -24V conversion module DA；Battery 24V DC power supply is converted to the power frequency supply of 220V50Hz by DA,
For exchange input equipment power supply, it is that battery charges that the power frequency supply of input is converted to 24V DC power supply by AD1, and AD2 will
The power frequency supply of power frequency supply or input that DA is converted is converted to 24V DC power supply and provides input power into FPGA system；
The charging circuit includes battery charging circuit and hydrazine fuel leakage detector charging circuit, ultrasonic gas leakage
Detector charging circuit；It is closed by the I/O interface control swith S2 of FPGA control system, the K2 actuating of relay, so that AD1 pairs
Battery charges.
Preferably, the chassis uses self-propelled trailer chassis, has traction traveling and voluntarily travels both of which；
Battery is installed on chassis at left and right sides of central frame beam, and respectively there are two headlamp, rear end sides for chassis frame rear and front end
Equipped with turn signal and brake lamp, quadrangle is equipped with rotation lock and hanging ring.
Preferably, the cabinet left and right sides and rear side are respectively provided with shutter, and back side panel is fixed by bolts mode, can
Realize integral disassembly, assembly；Vertical design is equipped with various power quality detection interface and electric operation panel, cabinet left side before cabinet
For power detection system storage area, right side is gas detecting system and hydrazine fuel system deposit operation region, the left and right sides
Design is equipped with rolling screen door；Box house is designed using Split cabinet type structure, and each point of instrument, which places interior design, limit hole, effectively
Mitigate and generate vibration in case group handling process, outside is designed as extractable drawer structure, and drawer sliding rail is with limit, locking function
Energy.
The invention has the advantages that:
The present invention has the advantages that small in size, integrated level is high, easy to carry, is mainly used for outfield medium and the standby detection of installing, side
Just it is used under field condition.
Detailed description of the invention
Fig. 1 is system composition figure of the invention.
Fig. 2 is power supply system schematic diagram of the invention.
Fig. 3 is box house layout of the invention.
In figure: 1, sampling line operation panel, 2, dew point hygrometer, 3, sampling line interface, 4, oxygen concentration and ultrasonic wave are let out
Leak detection instrument, 5, oxygen specific purpose tool, 6, hydrazine fuel leakage detector.
Fig. 4 is gas dew point detection working principle diagram of the invention.
Fig. 5 is equipment circuit isolation performance detection working principle block diagram of the invention.
Fig. 6 is equipment ground connection of the invention quickly detection measuring principle schematic diagram.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
As shown in Figure 1, a kind of four station of aviation ensures comprehensive detection case group, including chassis and cabinet and it is located in the box body
Gas detecting system, power detection system, hydrazine fuel detection system, electric control system and data management system.
Gas detecting system mainly includes gas dew point detection module, Leakage inspection module and oxygen specific purpose tool,
For realizing the function of field detecting inside and outside the dew point of oxygen, nitrogen and cold air and four stations inflation equipment Leakage inspection.
Power detection system mainly include equipment circuit isolation performance detection module, equipment ground resistance quickly detect mould
Block, supply vehicle boost performance detection module, power quality detection module and ice storing time module.It can by power detection system
To realize four station of outfield equipment circuit isolation performance and the quick detection of ground resistance, supply vehicle boost conversion performance detection, and
Inside and outside field detecting can be carried out to the power quality of three generations's machine and the above ground power supply Support Equipment.
Hydrazine fuel detection system mainly includes hydrazine detection of fuel instrument and auxiliary accessories, for realizing hydrazine equipment pipeline and its
The leakage detection function of storage area.
Data processing system mainly includes industrial personal computer, printer and Portable data acquisition instrument, by data processing system,
Operator can carry out the query processing of equipment information management, case group failure, and the detection of typing operation field equipment, maintenance in real time
Etc. information, and transfer data to detection terminal in be managed collectively, stored and printed.
Electric control system mainly include power-switching circuit, charging circuit, FPGA control system, power frequency supply input insert
Seat and plug, AC-DC power supply conversion module, provide power supply for equipment in case group.
Chassis and cabinet is given below and is located in the box body gas detecting system, power detection system, hydrazine fuel and examines
Examining system, electric control system and data management system specific embodiment.
LD5020TM type self-propelled trailer chassis is selected on chassis, is had traction traveling and is voluntarily travelled both of which.Voluntarily
Traveling uses motor drive mode, and travel speed ≮ 5km/h is controlled the advance of vehicle, retreated and turned by cable-control box
To.It can also realize that traction traveling, speed ≮ 20km/h, draw bar design have rubber torsion bar damping, use by chassis draw bar
Manual parking braking and the service brake of rubber torsion bar.The type chassis is installed by battery, battery capacity at left and right sides of central frame beam
5km mileage travelled demand can be met.Respectively there are two headlamps for chassis frame rear and front end, can be used for night running, rear end sides
Equipped with turn signal and brake lamp.Quadrangle is designed equipped with rotation lock and hanging ring, by separating, recombinating with the cooperation realization of the corner fittings of cabinet,
The hoisting transportation of equipment entirety is realized by chassis quadrangle hanging ring.
Cabinet selection steel skeleton iron covering shelter pattern, surface spraying military green finishing coat, outer dimension 2450mm ×
1200mm×1500mm.Cabinet illiciumverum is welded using the corner fittings of standard, inside there is installation fixation hole and hole for hoist, cabinet long side surface bottom
Lower edge designs the forklift jack for having standard, facilitates the lifting and installation of case group.Corner fittings protrudes four side cabinet 5mm, it is ensured that hangs
When dress and replacement chassis, cabinet face will not be collided.At left and right sides of cabinet and rear side is respectively provided with shutter, is the air inlet of load box
Mouth and air outlet, back side panel is fixed by bolts mode, it can be achieved that integral disassembly, assembly, facilitates the maintenance and maintenance of load box.Case
Vertical design is equipped with various power quality detection interface and electric operation panel before body.It is deposited for power detection system cabinet left side
Region is put, right side is gas detecting system and hydrazine fuel system deposit operation region, and left and right sides design is equipped with rolling screen door.Case
There are two 4kg fire extinguishers for design dress in group, are placed in the outer side position of interior cabinet, personnel is facilitated to fetch.Box house is using seperated
Cabinet type structure design, each point of instrument, which places interior design, limit hole, effectively mitigates and generates vibration etc. in case group handling process, outside
Side is designed as extractable drawer structure, and drawer sliding rail is with limit, latch functions.Inside cabinet body color is designed as computer ash,
Power-supply system color identifier is red, and gas detecting system color identifier is sky blue, and hydrazine fuel detection system is identified as tangerine color.
Using manual open and close type flashing, wind proofing sand shutter, when load running, shutter, when not running, shutter can be opened manually
It closes, effective flashing, wind proofing is husky.
Cabinet be followed successively by from back to front load box, supply vehicle boost conversion performance detection apparatus, insulating resistance measuring equipment,
Pressure tester, hydrazine fuel leakage detector 6, oxygen specific purpose tool 5, oxygen concentration and ultrasonic wave leak detector 4, sampling decompression dress
It sets, sampling line interface 3, dew point hygrometer 2, sampling line operation panel 1, power quality detector, battery-detecting instrument, electric power storage
Pond, electrical control operation panel, as shown in Figure 3.
As shown in figure 4, gas detecting system mainly includes gas dew point detection module and Leakage inspection module, place
In cabinet leftward position, each sub-module has aluminium alloy packing case outside, and is fixed in drawer by region.
Further, gas dew point detection module includes: that check valve, R41 type pressure reducing valve, flowmeter, HKT-817 type are desk-top
Dew point hygrometer, air pressure reducer, three sampling lines.For temperature within the scope of -100 DEG C~+20 DEG C, initial pressure highest can
Dew point up to the oxygen of 35MPa, nitrogen and cold air quickly detects, and sampling line connects gas equipment and detection case group.
Further, Leakage inspection module includes: NPT-40 type oxygen concentration detecting instrument, ILeak200 type ultrasonic wave
Leak detector.The detection that nitrogen, oxygen class equipment leak mainly is completed by the oxygen concentration in testing equipment or operating environment,
If the concentration of oxygen is higher or lower than normal range (NR), ultrasonic wave leak detector can be used and determine leakage point, so as to support personnel's progress
It quickly repairs, and the detection of cooling gas leakage can be completed directly by ultrasonic wave leak detector.
Specific connection an are as follows: sampling line in three sampling lines is as nitrogen sampling line, another probe tube
Road is as oxygen sampling line, last root sampling line is as cold air sampling line；It is gone here and there respectively in three sampling lines
Be connected to check valve, and three sampling lines converge after piece total air delivering pipeline of formation, connected in total air delivering pipeline aerobic
Gas concentration detector, pressure reducing valve, ultrasonic wave leak detector, flowmeter, dew point hygrometer.
Power detection system mainly includes the quick detection module of circuit isolation performance, the quick detection module of ground resistance, electricity
The boosting property conversion of source vehicle can detection module, power quality detection module and accumulator cell charging and discharging analysis module.It is exhausted that equipment can be achieved
Edge resistance, which quickly detects, equips ground resistance quickly detects, supply vehicle boost conversion performance detection and aviation power supply ensure electricity
Source Quality Detection.
Further, the quick detection module major function of circuit isolation performance is to realize the insulated electro of quick testing equipment
Resistance, the pressure-resistant performance of checking equipment are mainly made of AR4105 type and its attachment.The pressure tester system that insulate is with the micro- place DSP
Reason device is control core, the insulation resistance of the tested equipment of measurement and the detection of pressure-resistant performance can be fast implemented, by upper and lower
It limits numerical value setting and realizes fully-automatic intelligent decision-making function, can have over-voltage, under-voltage, overcurrent protection with automatic identification abnormality, mention
For sound-light alarm, a variety of interference protection measures and SPWM technology are used, the contactless adjusting of high pressure is realized.
Further, the equipment quick detection module of ground resistance includes EN1614D type earth resistance tester and its attachment.
Major function is the ground resistance resistance value of quick testing equipment.The ground resistance range maximum of earth resistance tester measurement is reachable
300k Ω meets index request, and can exempt from ground pile detection ground resistance, rapid survey ground loop resistance online, has multifrequency
Excitation, select frequency automatically function, can automatic identification interfere and selects suitable measurement frequency, make interference influence minimum, have
100 groups of data are kept and store function, and can upload to PC and carry out display analysis, export testing journal sheet.System has good
Human-computer interaction function, it is easy to operate, can be realized limiting value warning function and automatic shut-off function, guarantee what equipment used
Safety and reliability.
Further, the quick detection module major function of supply vehicle boost conversion performance is quickly to detect various supply vehicle
Whether 28V/57V boost conversion function is normal.The module includes boost conversion control cabinet and boosting load box two parts.Boosting turns
Changing control cabinet includes two groups of shift control modules, and every group of shift control module includes 1 PJ800A military aviation socket and one
Cover FPGA control system.Wherein, FPGA control system mainboard uses FPGA-EP3C40-V2.2, for acquiring I/O signal, number
Word amount/analog quantity conversion, master cpu EP3C40, the calculation process for system.In the detection process, FPGA control system
The plug output voltage processing analysis that real-time detection is arrived.Meanwhile the system integration insulation pressure tester, desk type accurate dew point
The functions such as instrument, the display of boost conversion functional test module, control, data storage, data-printing and the switching of function relay,
Realize human-computer interaction.Boost load box, can connect and be started according to simulation aircraft after the received plane simulation start signal of control system
Load can be observed the voltage in 1, No. 3 and 2, No. 3 hole by FPGA, and examine the carrying load ability of supply vehicle, comprehensive descision power supply
Whether vehicle boost conversion function is normal, provides means of testing for the functional verification of supply vehicle boost conversion, component inspection maintenance.Load
Case is provided with power module, and bearing power module selects 28V40A, uses 40 altogether, capacity maximum is up to 1600A.
Further, power quality detection module mainly includes test load module, electrical signal collection system, power input
Socket and control system.It is main to can be achieved to 115V/200V three-phase alternating current, 28.5V DC power supply and 270V DC power supply
Test function.
Wherein, test load module mainly includes 115V/200V three-phase alternating-current supply test module, 28.5V DC power supply
Test module, 270V DC power supply test module three parts.Electrical signal collection system is mainly by AC voltage sensor, alternating current
The composition such as flow sensor, frequency sensor, direct current voltage sensor, DC current sensor, A/D conversion module, passes through signal
Acquisition, is sent to industry control display after A/D module processing, and operational analysis shows acquisition parameter.Power input socket
Mainly inserted comprising midfrequent AC 115V/200V socket, direct current 28.5V socket, direct current 270V socket and 28/57V DC boosting
Seat.Control system mainly includes military exchange aviation contactor and military direct current aviation contactor, is born for controlling each detection
Carry increase and decrease conversion.
Further, accumulator cell charging and discharging analysis module is mainly for 7-HK-182(7-HKA-182) aircraft battery into
The battery services work such as row charging, electric discharge, activation.The module has three kinds of discharge mode, charge mode and activation mode works
Operation mode can carry out charge and discharge detection to single battery online, can set the work such as voltage, electric current, working time, capacity ginseng
Several, measurement data can be imported computer by USB flash disk by precise measurement cell voltage, internal resistance, capacity, charging and discharging currents etc., can be incited somebody to action
Activation curve, data sheet printout.
LB-LA1000 type hydrazine fuel leakage detector is selected in the design of hydrazine fuel detection system, using hydrazine steam conducting polymer
Object film ultra-sensitive chemical sensor carries out the Concentration Testing of hydrazine, and detection accuracy is high, be quick on the draw rapidly, and interior design is miniature to adopt
Gas sampling probe can be placed in the environment for needing to detect by sample pump, personnel, and highest sampled distance can effectively be kept away up to 10m
Exempt from injury of the toxic gas to personnel.The type Instrument Design has self checking function and zero point calibration function, and has temperature and pressure
Force compensating function realizes the compensation under different temperatures and pressure atmosphere to gas concentration, can effectively ensure that gas detection data
Accuracy.
As shown in Fig. 2, electric control system provides power supply for equipment in case group, there is circuit switching, protection, power
Distribution, data centralized control, equipment and battery charging etc. functions, electric control system mainly include power-switching circuit, fill
Circuit, FPGA control system, power frequency supply input socket and plug, AC-DC power supply conversion module.
Further, power-switching circuit includes input power switching circuit and ac-dc converter circuit.Q1 is alternating current
Switch breaker, Q2 is that battery switching breaker guarantees two breaker closings, by for cutting under normal circumstances
Change the power supply of switch S1 control selections different systems.Ac-dc converter circuit mainly includes direct current 24V- alternating current 220V conversion module
DA, alternating current 220V -24V conversion module DA1 and alternating current 220V -24V conversion module DA；By DA by battery 24V direct current
Source is converted to the power frequency supply of 220V50Hz, and for exchange input equipment power supply, it is straight that the power frequency supply of input is converted to 24V by AD1
Galvanic electricity source is that battery charges, and the power frequency supply of the DA power frequency supply converted or input is converted to 24V direct current by AD2
Source provides input power for FPGA system.
Further, charging circuit includes battery charging circuit and other equipment (hydrazine fuel leakage detector, ultrasound
Wave air-leakage detector) charging circuit.In power frequency supply access, it is closed Q5, is connect by the I/O of FPGA control system
Mouth control switch S2 closure, the K2 actuating of relay, so that AD1 charges to battery.Provided with 220V50Hz in circuit
Power frequency electricity accessory power outlet can provide charge power supply for equipment such as hydrazine fuel leakage detector, ultrasonic gas leakage detectors.
Further, FPGA control system is the core of entire control system, realize display, control, printing and
The function of fault alarm.System passes through RS232 communication bus control insulation voltage-withstand test module, desk type accurate dew point hygrometer, power supply
Vehicle boosting detection system work, and test data is stored, pass through I/O Interface Controller S2, realizes battery charge function.
Further, power frequency supply input socket and plug use tri- core Non-spark unexplosive electric connector of 15A, explosion-proof etc.
Grade is EXiaIICT4Gc, and IP grade is IP54, degree of protection with higher and security performance.Battery group is that 3 pieces of capacity are
150Ah24V battery composes in parallel, and can meet system requirement.
Further, AC-DC power supply conversion module AD1 use 1.1kW electric power special converter, major function be by
Power frequency supply is converted to 24V DC power supply, is battery charging.AD2 uses 150W electric power special converter, predominantly FPGA
Control system provides 24V power supply.DC-AC power-supply conversion module DA uses 1kW electric power special converter, major function
It is that the 24V DC power supply that battery group provides is converted to insulation voltage-withstand test module, desk type accurate dew point hygrometer, charge power supply to make
The power frequency supply of 220V 50Hz.
Further, electrical control cabinet design is mounted on top on the right side of cabinet, is mainly used to place each electrically first with control
Part, cabinet body door are designed using panel integrated form, place knob, indicator light, the spare charging socket etc. that need to be operated, knob and instruction
Lamp envisaged underneath has name identification, effectively prevent personnel misoperation.
Data information management system mainly includes 15.6 cun of Industrial touch screen all-in-one machines of LG530-CK type, the printing of HP-2132 type
Machine, Portable data acquisition instrument etc., data information management system software carry on industrial personal computer and Portable data acquisition instrument, pass through
The system is, it can be achieved that different equipment detection data collection managements, equipment information management, detection device information and maintenance management, people
The functions such as the diagnosis of machine interaction fault, help and training.
In gas detecting system, generally detected from the gas sample in ground gas cylinder or air servicer mounted gas cylinder,
Maximum pressure is the rated pressure of the high-pressure aerated vehicle gas cylinder of 35MPa(), minimum pressure 15MPa, high pressure gas (nitrogen, oxygen
Or cold air) flow separately through check valve (DX1, DX2 or DX3) after, after being decompressed to authorized pressure via pressure reducing valve (JY1), flow through dew
Point instrument, empties after testing moisture in gas content.Dew point hygrometer uses hydrophilic material or hydrophobic material for medium, constitute capacitor or
Resistance, after the gas containing moisture flows through, corresponding change occurs for dielectric constant or conductivity, measures capacitance at that time or electricity
Resistance value obtains the water content value of gas.
As shown in figure 4, gas sampled senses output relevant voltage letter after the oxygen concentration of tested gas by lambda sensor
Number, after processing to be converted into concentration value, to realize the detection function to oxygen, helium leak；Gas sampled, which passed through, lets out
Resultant turbulence phenomenon is generated when leak hole, turbulent flow phenomenon can generate high frequency noise, after sensor detects leakage signal, by them
It is converted into the audio signal that human ear can be heard, to realize the inspection of gas leakage.
In equipment circuit isolation performance detection, including equipment megger test and the pressure-resistant performance test of equipment.Insulation
Resistance test mainly measures the resistance between the input firewire of equipment and casing, between output line of fire and casing.Pressure-resistant performance is equipped to survey
Examination: voltage-withstand test mainly applies assigned voltage between equipment firewire and casing, by measuring leakage current therebetween, and with set
Definite value compares, and obtains qualified or not conclusion.Using voltage resistant instrument, applies AC2000V/50Hz voltage over the ground in input, exporting
Apply AC1500V/50Hz voltage over the ground, lasts 1min.
As shown in figure 5, completing A/D conversion, output control, data using the microprocessor of FPGA kernel as control core
Processing and screen show, keystroke handling, serial communication etc. management.System generates SPWM signal by FPGA processor, passes through
High-power MOS tube driving, the sine wave of 50Hz or 60Hz is generated using filter circuit, which generates resistance to by transformer
The source output signal of pressure, ground connection (32A) and Insulation test.Source output signal and measured voltage or current signal are through voltage, electric current
Sensor sampling measures, and obtained numerical value into FPGA processor operation, and judges, is judged as after A/D converter
Situations such as " test passes through " or " test crash ", and will test result and shown on LCD.
In equipment insulating resistance measuring, as shown in fig. 6, by ground resistance measuring instrument internal DC/AC converter by direct current
The low frequency constant current for becoming exchange forms circuit by auxiliary earth pole and measured object, exchange pressure drop is generated on measured object, through assisting
Earthing pole is sent into AC amplifier amplification, is being sent into gauge outfit by detection.System measures equipment ground connection electricity using no stick mensuration
Resistance: voltage clamp and current clamp, pincers are on tested equipment ground line, and it is remote to be spaced each other 20cm.Suitable gear is selected, is pressed
" TEST " is tested, and LCD shows ground resistance resistance value.
In boost conversion performance quickly detects, the PJD-800HT plug of tested supply vehicle is inserted by the first stage
PJ800A issues " aircraft connects total electric switch " analog signal, i.e., is shorted No. 6 control lines of plug and "-" hole, at this time supply vehicle liter
Press conversion equipment to execute corresponding actions, detect l, 3 and 2 of conversion equipment, No. 3 output end output voltages whether be 28.5V ±
1.5V.If voltage qualification continues subsequent detection, failure alarm signal is otherwise issued.Second stage, after first stage detection is qualified,
It utilizes " aircraft starting " analogue-key to issue aircraft and starts analog signal, i.e., to No. 4 control lines " positive electricity ", supply vehicle boosts at this time
Conversion equipment executes corresponding actions, voltage between test plug 1,3,2, No. 3, still keeps 28.5V voltage between 1, No. 3, and 2,3
Voltage should be converted to 57V power supply between number.If voltage meets the requirements, boost converting device is working properly, otherwise issues failure report
Alert signal.
It is strict by the hydrazine fuel concentration progress for equipping use and ambient enviroment to hydrazine in hydrazine fuel detection system
Monitoring, to realize the detection of hydrazine fuel leakage.Hydrazine fuel leakage detector is super quick using hydrazine steam conducting polymer thin film
Chemical sensor, since its electrolyte is solid, using the conducting polymer thin films such as polytetrafluoro sulfonate cation exchange membrane as
Supporting electrolyte converts Faradaic current signal for concentration by oxidation or reduction reaction under test gas, measures Faradaic current
Amplitude obtains corresponding concentration value, and after concentration value reaches alarm setting value, instrument carries out alert process immediately.
One embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from present inventive concept and principle, various modifications and improvements can be made, these belong to this hair
Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of four station of aviation ensures comprehensive detection case group, it is characterised in that: including chassis and cabinet and be located in the box body
Gas detecting system, power detection system, hydrazine fuel detection system, electric control system and data management system；
The gas detecting system is detected for gas dew point and Leakage inspection；The power detection system is exhausted for circuit
Edge performance detection, insulating resistance measuring, supply vehicle boosting property conversion can detect, power quality detection and accumulator cell charging and discharging divide
Analysis；The hydrazine fuel detection system is used for hydrazine fuel leak detection；The electric control system provides power supply for equipment in case group
Power supply；The data management system for different equipment detection data collection managements, equipment information management, detection device information and
Maintenance management, human-computer interaction fault diagnosis, help and training.
2. four station of a kind of aviation according to claim 1 ensures comprehensive detection case group, it is characterised in that: the gas detection
System includes gas dew point detection module, Leakage inspection module；
The gas dew point detection module includes check valve, pressure reducing valve, flowmeter, dew point hygrometer, three sampling lines；The gas
Leak detection module includes oxygen concentration detecting instrument and ultrasonic wave leak detector；
A sampling line in three sampling lines takes as nitrogen sampling line, another sampling line as oxygen
Sample pipeline, last root sampling line is as cold air sampling line；
Be serially connected with check valve in three sampling lines respectively, and three sampling lines converge after piece total appendix of formation
Road is connected with oxygen concentration detecting instrument, pressure reducing valve, ultrasonic wave leak detector, flowmeter, dew point hygrometer in total air delivering pipeline.
3. four station of a kind of aviation according to claim 1 ensures comprehensive detection case group, it is characterised in that: the power detecting
System include circuit isolation performance detection module, the quick detection module of equipment ground resistance, supply vehicle boost performance detection module,
Power quality detection module and ice storing time module；
The circuit isolation performance detection module includes insulation pressure tester, is set by upper and lower limits and realizes full-automatic intelligent
Can determine that function, can automatic identification abnormality, have over-voltage, under-voltage, overcurrent protection, sound-light alarm be provided；
The quick detection module of the equipment ground resistance includes earth resistance tester, the ground resistance to quick testing equipment
Resistance value.
4. four station of a kind of aviation according to claim 3 ensures comprehensive detection case group, it is characterised in that: the supply vehicle liter
Pressure performance detection module includes boost conversion control cabinet and boosting load box；
The boost conversion control cabinet includes two groups of shift control modules, every group of shift control module include an aviation socket with
And a set of FPGA control system；
In the detection process, the plug output voltage processing analysis that FPGA control system arrives real-time detection.Boost load box, can
Connect according to after the received plane simulation start signal of control system simulate aircraft starting duty, can by FPGA observe 1, No. 3 and
2, the voltage in No. 3 holes, and the carrying load ability of supply vehicle is examined, whether comprehensive descision supply vehicle boost conversion function is normal, is
The functional verification of supply vehicle boost conversion, component inspection maintenance provide means of testing.
5. four station of a kind of aviation according to claim 3 ensures comprehensive detection case group, it is characterised in that: the power quality
Detection module includes test load module, electrical signal collection system, power input socket and control system；
The test load module includes 115V/200V three-phase alternating-current supply test module, 28.5V DC power supply test module,
270V DC power supply test module three parts；
The electrical signal collection system includes AC voltage sensor, AC current sensor, frequency sensor, DC voltage biography
Sensor, DC current sensor, A/D conversion module are sent to industry control after A/D module processing by signal acquisition
Display, operational analysis show acquisition parameter；
The power input socket include midfrequent AC 115V/200V socket, direct current 28.5V socket, direct current 270V socket and
28/57V DC boosting socket；
The control system includes military exchange aviation contactor and military direct current aviation contactor, is born for controlling each detection
Carry increase and decrease conversion.
6. four station of a kind of aviation according to claim 1 ensures comprehensive detection case group, it is characterised in that: the hydrazine fuel inspection
Examining system uses hydrazine fuel leakage detector, and the concentration of hydrazine is carried out using hydrazine steam conducting polymer thin film ultra-sensitive chemical sensor
Detection.
7. four station of a kind of aviation according to claim 1 ensures comprehensive detection case group, it is characterised in that: the data management
System includes Industrial touch screen all-in-one machine, printer, Portable data acquisition instrument；Data information management system software carries industrial personal computer
On Portable data acquisition instrument, by the system, it can be achieved that different equipment detection data collection management, equipment information management,
Detection device information and maintenance management, human-computer interaction fault diagnosis, help and training.
8. four station of a kind of aviation according to claim 1 ensures comprehensive detection case group, it is characterised in that: described includes power supply
Conversion circuit, charging circuit, FPGA control system, power frequency supply input socket and plug；
The power-switching circuit includes input power switching circuit and ac-dc converter circuit, the input power switching electricity
Road includes alternating current switching breaker and battery switching breaker, passes through the electricity of power switching switch S1 control selections different systems
Source；The ac-dc converter circuit include direct current 24V- alternating current 220V conversion module DA, alternating current 220V -24V conversion module DA1 with
And alternating current 220V -24V conversion module DA；The power frequency supply that battery 24V DC power supply is converted to 220V50Hz by DA is
Input equipment power supply is exchanged, it is that battery charges that the power frequency supply of input is converted to 24V DC power supply by AD1, and AD2 is by DA
The power frequency supply of the power frequency supply or input converted is converted to 24V DC power supply and provides input power into FPGA system；
The charging circuit includes battery charging circuit and hydrazine fuel leakage detector charging circuit, ultrasonic gas leakage
Detector charging circuit；It is closed by the I/O interface control swith S2 of FPGA control system, the K2 actuating of relay, so that AD1 pairs
Battery charges.
9. four station of a kind of aviation according to claim 1 ensures comprehensive detection case group, it is characterised in that: the chassis uses
Self-propelled trailer chassis has traction traveling and voluntarily travels both of which；
Battery is installed on chassis at left and right sides of central frame beam, and respectively there are two headlamp, rear end sides for chassis frame rear and front end
Equipped with turn signal and brake lamp, quadrangle is equipped with rotation lock and hanging ring.
10. four station of a kind of aviation according to claim 1 ensures comprehensive detection case group, it is characterised in that: the cabinet is left
Right two sides and rear side are respectively provided with shutter, and back side panel is fixed by bolts mode, it can be achieved that integral disassembly, assembly；
For vertical design equipped with various power quality detection interface and electric operation panel, cabinet left side is power detecting before cabinet
System storage area, right side are gas detecting system and hydrazine fuel system deposit operation region, and left and right sides design is equipped with volume
Curtain door；
Box house is designed using Split cabinet type structure, and each point of instrument, which places interior design, limit hole, is effectively mitigated case group and is removed
Vibration is generated during fortune, outside is designed as extractable drawer structure, and drawer sliding rail is with limit, latch functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398119.1A CN110127082B (en) | 2019-05-14 | 2019-05-14 | Four station guarantee comprehensive detection case groups in aviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398119.1A CN110127082B (en) | 2019-05-14 | 2019-05-14 | Four station guarantee comprehensive detection case groups in aviation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110127082A true CN110127082A (en) | 2019-08-16 |
| CN110127082B CN110127082B (en) | 2023-01-20 |
Family
ID=67573681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910398119.1A Active CN110127082B (en) | 2019-05-14 | 2019-05-14 | Four station guarantee comprehensive detection case groups in aviation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110127082B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420437A (en) * | 2022-11-07 | 2022-12-02 | 南京邮电大学 | Ultrasonic leak detection device based on deep learning |
| CN118707047A (en) * | 2024-08-27 | 2024-09-27 | 广东诚誉工程咨询监理有限公司 | Method and system for detecting toxic gas in electric power tunnel |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435399A (en) * | 2010-08-31 | 2012-05-02 | 通用电气公司 | Method and system to detect and measure piping fuel leak |
| CN102589860A (en) * | 2012-01-09 | 2012-07-18 | 中国人民解放军海军航空工程学院青岛分院 | Integrated testing system for aviation fuel accessories |
| CN205594142U (en) * | 2016-03-11 | 2016-09-21 | 常州博能新能源有限公司 | Fuel cell detects control system |
| CN205982219U (en) * | 2016-07-29 | 2017-02-22 | 广州市霆检检测技术有限公司 | Device is surveyed with portable empty gas detection in public place |
| CN206249305U (en) * | 2016-11-11 | 2017-06-13 | 中国人民解放军空军勤务学院 | A kind of parameter acquisition re-recording system |
| CN206313433U (en) * | 2016-12-01 | 2017-07-07 | 陈晓萍 | Intelligent wire means and its system |
| US20180009377A1 (en) * | 2015-09-16 | 2018-01-11 | Truck-Lite Co., Llc | Telematics Road Ready System |
| CN107748194A (en) * | 2017-09-08 | 2018-03-02 | 中国飞行试验研究院 | Aircraft fuel tank oxygen concentration Airborne Testing System and method based on electrochemical principle |
| CN108627203A (en) * | 2018-08-23 | 2018-10-09 | 四川多成电力工程安装有限责任公司 | Comprehensive detection system based on transformer monitoring |
| CN109358250A (en) * | 2018-10-26 | 2019-02-19 | 中国人民解放军空军勤务学院 | The quick detection device software of supply vehicle boost conversion and the quick detection device of boost conversion |
-
2019
- 2019-05-14 CN CN201910398119.1A patent/CN110127082B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435399A (en) * | 2010-08-31 | 2012-05-02 | 通用电气公司 | Method and system to detect and measure piping fuel leak |
| CN102589860A (en) * | 2012-01-09 | 2012-07-18 | 中国人民解放军海军航空工程学院青岛分院 | Integrated testing system for aviation fuel accessories |
| US20180009377A1 (en) * | 2015-09-16 | 2018-01-11 | Truck-Lite Co., Llc | Telematics Road Ready System |
| CN205594142U (en) * | 2016-03-11 | 2016-09-21 | 常州博能新能源有限公司 | Fuel cell detects control system |
| CN205982219U (en) * | 2016-07-29 | 2017-02-22 | 广州市霆检检测技术有限公司 | Device is surveyed with portable empty gas detection in public place |
| CN206249305U (en) * | 2016-11-11 | 2017-06-13 | 中国人民解放军空军勤务学院 | A kind of parameter acquisition re-recording system |
| CN206313433U (en) * | 2016-12-01 | 2017-07-07 | 陈晓萍 | Intelligent wire means and its system |
| CN107748194A (en) * | 2017-09-08 | 2018-03-02 | 中国飞行试验研究院 | Aircraft fuel tank oxygen concentration Airborne Testing System and method based on electrochemical principle |
| CN108627203A (en) * | 2018-08-23 | 2018-10-09 | 四川多成电力工程安装有限责任公司 | Comprehensive detection system based on transformer monitoring |
| CN109358250A (en) * | 2018-10-26 | 2019-02-19 | 中国人民解放军空军勤务学院 | The quick detection device software of supply vehicle boost conversion and the quick detection device of boost conversion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420437A (en) * | 2022-11-07 | 2022-12-02 | 南京邮电大学 | Ultrasonic leak detection device based on deep learning |
| CN118707047A (en) * | 2024-08-27 | 2024-09-27 | 广东诚誉工程咨询监理有限公司 | Method and system for detecting toxic gas in electric power tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110127082B (en) | 2023-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100533107C (en) | Train running monitoring device comprehensive test method and comprehensive testbench | |
| CN102955081B (en) | A kind of status of electric power detects mobile laboratory | |
| CN110127082A (en) | A kind of four station of aviation guarantee comprehensive detection case group | |
| CN107219421A (en) | The detection testing equipment and its method of inverter or charger | |
| CN207488385U (en) | Energy storage type charging pile Site Detection vehicle | |
| CN108088696A (en) | Air conditioner external unit test system | |
| CN109188071A (en) | Vehicular power transformer sky, load loss on-site test system and method | |
| CN204452164U (en) | A kind of Intelligent field high-voltage movable testing car | |
| CN213779213U (en) | Movable full-automatic metering verification vehicle for high-pressure natural gas | |
| CN106950497B (en) | Strong electricity management and test device for new energy automobile motor test | |
| CN202486302U (en) | 220kV mutual inductor field metering vehicle | |
| CN107402137A (en) | Vehicle test system in a kind of electric automobile room | |
| CN206020499U (en) | A kind of control system of the low voltage power measuring case for being easy to keep in repair | |
| CN103042965A (en) | Measurement and inspection vehicle for charging piles | |
| CN207689597U (en) | A kind of train traction case internal component detection device | |
| CN209486512U (en) | Electric bus electric-controlled parts four-in-one closed loop maintenance test bench set | |
| CN209148769U (en) | Vehicular power transformer sky, load loss on-site test system | |
| CN103792938A (en) | Complete machine inspection platform for controller of electric car | |
| CN207197824U (en) | Vehicle test system in a kind of electric automobile room | |
| CN203311738U (en) | Automobile air bag maintenance and detection test bed | |
| CN207832471U (en) | A kind of railcar brake comprehensive state detection device | |
| CN112816818A (en) | Portable direct current test box | |
| CN207741832U (en) | A kind of portable transformer oil tank liquid level instrument based on ultrasound perspective scanning | |
| CN215897383U (en) | Portable direct current power supply monitoring module detection equipment | |
| CN110631845A (en) | Motor train unit wind test servicing vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |