CN106197842A - Vehicular pressure sensor automatization calibration equipment - Google Patents
Vehicular pressure sensor automatization calibration equipment Download PDFInfo
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- CN106197842A CN106197842A CN201610751705.6A CN201610751705A CN106197842A CN 106197842 A CN106197842 A CN 106197842A CN 201610751705 A CN201610751705 A CN 201610751705A CN 106197842 A CN106197842 A CN 106197842A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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Abstract
The present invention relates to Vehicular pressure sensor automatization calibration equipment, it is characterized in that this calibration equipment is overall in loopback configuration, it is provided with upper and lower two-layer transmission line, upper strata is chain board transmission line, lower floor is back dish transmission line, including operating board station, room temperature verification station, preheating station, high temperature verification station, sortation process, pallet lift station and control system, pallet lift station includes pallet lift station and the pallet lift station on right side in left side；Vehicular pressure sensor to be verified is fixed on pallet, operating board station, room temperature verification station, preheating station, high temperature verification station and sortation process are sequentially connected with from right to left, on the one hand the pallet lift station in left side is connected with sortation process, on the other hand it is connected with time dish transmission line, returns dish transmission line right-hand member and be connected with operating board station by the pallet lift station on right side.
Description
Technical field
The invention belongs to automotive electronics production technical field, be specifically related to the verification of a kind of Vehicular pressure sensor automatization and set
Standby.
Background technology
Automotive electronics is increasingly widely applied in recent years, not only increases automotive performance, and more user provides
The most comfortable driving experience, the also steer motor technology industry of the development of automotive electronics simultaneously moves towards information-based and automatization.
Automobile sensor, as the information source of Auto Electronic Controlled System, is the critical component of Auto Electronic Controlled System, is also automobile
One of core content of electronic technology field research.Pressure transducer be numerous kinds automobile sensor in usage amount more,
Also it is with fastest developing speed.And car force sensor is used for temperature and frequently changes, humidity is indefinite, has corrosivity etc. and more dislikes
In bad environment.For ensureing pressure transducer accuracy of feedback information under severe working environment, automobile pressure is sensed
The verification of device is necessary.
Although existing Vehicular pressure sensor inspection equipment has been able to meet the verification work to car force sensor
Make.But it still suffers from some shortcomings: (1) automaticity is relatively low, need people's manual operation sensor school on different station
Test, production process needs pay a large amount of physical work；(2) checking procedure operation complexity, anthropic factor easily causes verification and loses
Lose；(3) verify inefficient.
Such as 2013, the motor vehicles pressure transducer automatic testing stand that Guo Haoqing delivers in " Nanchang University of aviation " controlled
Mentioning in system development one literary composition, the pressure and temperature signal accuracy measured by testboard control system can treat calibration sensor
Parameters impacts, and sensor is placed directly on production line when verification, and but sensitivity increases calibration equipment valency
Position is higher, and sensor damage degree is big, the stability of checking procedure and accuracy level error.Therefore the detection of pressure transducer is improved
Precision, the flow process improving sensor transportation is the theme that current research is constant, is also the research direction of the application.
Summary of the invention
In view of the above problems, it is an object of the present invention to provide a kind of Vehicular pressure sensor automatization calibration equipment, this sets
Standby simple to operate, automaticity is high, and verification efficiency is high.
The present invention is achieved through the following technical solutions:
A kind of Vehicular pressure sensor automatization calibration equipment, it is characterised in that this calibration equipment is overall in loopback configuration,
Being provided with upper and lower two-layer transmission line, upper strata is chain board transmission line, and lower floor is back dish transmission line, including operating board station, room temperature verification
Station, preheating station, high temperature verification station, sortation process, pallet lift station and control system, pallet lift station includes a left side
The pallet lift station of side and the pallet lift station on right side；Vehicular pressure sensor to be verified is fixed on pallet, operation
Platform station, room temperature verification station, preheating station, high temperature verification station and sortation process are sequentially connected with from right to left, the torr in left side
On the one hand dish lifting station is connected with sortation process, is on the other hand connected with time dish transmission line, returns dish transmission line right-hand member by the right side
The pallet lift station of side is connected with operating board station；
Described room temperature verification station and high temperature verification station are equipped with annular seal space, and pallet is placed in corresponding annular seal space, logical
Cross change pressure Vehicular pressure sensor to be carried out respectively in room temperature or high temperature verification, room temperature verification station and high temperature verification station
It is respectively provided with switch electromagnetic valve, room temperature/high temperature pallet to level sensor, the up limit sensors of cylinder and the descending spacing sensing of cylinder
Device；Described high temperature verification station is provided with high-temperature cabinet；
Described preheating station is to have preheated Vehicular pressure sensor after room temperature has verified, and preheating station is provided with
Preheating pallet is to level sensor, preheating Time Pick-off Units and pallet Returning sensor；
Described control system includes checking control system and kinetic control system, and checking control system realizes automobile-used pressure
The verification of sensor and Stress control, kinetic control system realizes the motor control to each station；
Described pallet includes upper steel plate, lower steel plate and middle pcb board, and lower steel plate is provided with pre-determined bit groove and stops groove, on
Have the circular hole of design quantity on steel plate, be used for placing Vehicular pressure sensor；Middle pcb board uses FR5 material to make, in
Between pcb board edge draw common port and chip pin.
Above-mentioned Vehicular pressure sensor automatization calibration equipment, described checking control system includes industrial computer, serial port service
Device, PTC-04 pressure transducer programmable device and pressure controller, industrial computer includes host computer and slave computer, host computer and slave computer
Communication is carried out by board；
Described kinetic control system includes main frame PLC, slave PLC and LCDs, main frame PLC and slave PLC all with
Industrial computer is connected, and LCDs and main frame PLC, slave PLC carry out two-way communication, and main frame PLC is responsible on the left of calibration equipment
Pallet lift station, room temperature verification station, the motor control of preheating station, slave PLC is responsible for the pallet lift station on right side, height
Temperature verification station, the motor control of sortation process.
Above-mentioned Vehicular pressure sensor automatization calibration equipment, the control flow of described checking control system is: verification control
Control information in system processed is divided into 1) check information and 2) Stress control information.Concrete control is: 1) check information: at room temperature
In checking procedure, PTC-04 pressure transducer programmable device is controlled by host computer, and PTC-04 pressure transducer programmable device obtains
Taking the Vehicular pressure sensor to be measured output valve under two pressure spots of normal temperature condition, contrast currency verifies programmable device with room temperature
In pre-set parameter, it is judged that the state of Vehicular pressure sensor, and to its nurse one's health, eventually through PTC-04 pressure transducer compile
The memory element of journey device write Vehicular pressure sensor self, is compressed parameter and latch operation afterwards；2) Stress control
Information: pressure controller is controlled by host computer, when needs change pressure, industrial computer sends Stress control information to pressure
Controller, pressure controller order booster pump fills, exits, thus changes the force value of Vehicular pressure sensor room temperature check field,
Actual pressure is fed back to host computer by pressure controller in real time simultaneously；High temperature checking procedure is consistent with room temperature checking procedure.
Compared with prior art, the invention has the beneficial effects as follows:
1) calibration equipment of the present invention uses the design of streamline, including 6 stations: operating board station, room temperature verify
Station, preheating station, high temperature verification station, sortation process and pallet lift station.The pipeline design is a loopback configuration, has
Two-layer transmission line up and down, upper strata is chain board transmission line, and lower floor is back dish transmission line.Room temperature verification station and high temperature verification station lead to
Cross change pressure and Vehicular pressure sensor is carried out respectively room temperature, high temperature verification, use the method for designing of annular seal space to ensure that car
In annular seal space, space pressure size can be changed by inflation/deflation with pressure transducer.Preheating station is to have verified at room temperature
Afterwards sensor is preheated, the Vehicular pressure sensor heat time heating time of the impact on whole production line rhythm of production can be saved.Pass
Sensor preheating enters high temperature check system after reaching 85 degree, and two pallet lift stations are respectively placed in the left and right two of whole production line
End, it is achieved pallet is at chain board transmission line and returns dish transmission line lifting delivery functions.
2) present invention uses pallet as the carrier of Vehicular pressure sensor, and Vehicular pressure sensor and pallet are in whole school
It is geo-stationary during testing, the motor control of Vehicular pressure sensor has been transformed into the motor control to pallet.This
Sample has only to arrange for the structure of pallet in follow-up structure design, material selection and and each station between connected mode carry out
Research, effectively reduces the physical demands of workman.
3) control mode of traditional Vehicular pressure sensor is the verifying function of equipment, pressure control function, incubator
Temp. control function independently operates, and industrial computer pressure transducer is controlled by programmable device software, Stress control and temprature control unit
Individually being controlled according to checking process by workman, integrated operation is extremely complex；In the checking procedure of Vehicular pressure sensor, use
Person needs to pay substantial amounts of physical work, and Vehicular pressure sensor needs manual operation when verification or is placed on sensor
By hand haulage on verification pallet, the weight of pallet muscle power to user in large batch of production is an acid test,
Sensitivity is 72%, accuracy only has 79%, and checking feature is on the low side.And the present invention uses industrial computer to tie mutually with PLC control technology
Close, checking control system and kinetic control system integration are operated, is mainly realized automobile-used pressure by checking control system
The verification of sensor and pressure control function.The motor control to each station is realized, it is achieved automatically by kinetic control system
Changing production line, calibration equipment only needs the people can be properly functioning, significantly improves the automaticity of calibration equipment, simplifies behaviour
Making mode, it is to avoid the human operational error impact on check results, substantially increase verification speed, calibration equipment is through trial production
Runtime verification, sensitivity brings up to 90%, accuracy brings up to 94%, and day maximum verification amount is 1536, and traditional vehicle pressure
More than the verification amount of the calibration equipment of force transducer is compared and is doubled, checking feature reaches the demand of actual production.
Accompanying drawing explanation
Fig. 1 is the entirety main TV structure signal of Vehicular pressure sensor automatization of the present invention a kind of embodiment of calibration equipment
Figure；
Fig. 2 is the overall plan structure signal of Vehicular pressure sensor automatization of the present invention a kind of embodiment of calibration equipment
Figure；
Fig. 3 is the workflow diagram of Vehicular pressure sensor automatization of the present invention calibration equipment.
Fig. 4 is the control flow chart of the checking control system of Vehicular pressure sensor automatization of the present invention calibration equipment.
Fig. 5 is the structural representation of the pallet of Vehicular pressure sensor automatization of the present invention a kind of embodiment of calibration equipment.
In figure, 1, operating board station；2, room temperature verification station；3, preheating station；4, high temperature verification station；5, sorting work
Position；6, pallet lift station；7, high-temperature cabinet；8, chain board transmission line；9, dish transmission line is returned.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment further illustrates the present invention, but do not protect in this, as to the application claim
Protect the restriction of scope.
Vehicular pressure sensor automatization of the present invention calibration equipment (being called for short calibration equipment, see Fig. 1-5) is overall in winding
Structure, is provided with upper and lower two-layer transmission line, and upper strata is chain board transmission line 8, and lower floor is back dish transmission line 9, including operating board station 1,
Room temperature verification station 2, preheating station 3, high temperature verification station 4, sortation process 5, pallet lift station 6 and control system, pallet
Lifting station 6 includes pallet lift station and the pallet lift station on right side in left side；Vehicular pressure sensor to be verified (with
Lower abbreviation sensor) it is fixed on pallet, operating board station 1, room temperature verification station 2, preheating station 3, high temperature verification station 4 and
Sortation process 5 is sequentially connected with from right to left, and on the one hand the pallet lift station in left side is connected with sortation process 5, on the other hand with
Return dish transmission line 9 to connect, return dish transmission line 9 right-hand member and be connected with operating board station 1 by the pallet lift station on right side；
Described room temperature verification station and high temperature verification station are equipped with annular seal space, and pallet is placed in corresponding annular seal space, logical
Cross change pressure and sensor is carried out respectively room temperature or high temperature verification, use annular seal space to ensure that sensor can be in annular seal space
By inflation/deflation change space pressure size, room temperature verification station and high temperature verification station in be respectively provided with switch electromagnetic valve, room temperature/
High temperature pallet is to level sensor, the up limit sensors of cylinder and the descending limit sensors of cylinder；Described high temperature verification station leads to
Cross the hot environment that high-temperature cabinet 7 is set to provide verification, and all of equipment of this station is all exotic material；
Described preheating station 3 is to have preheated sensor after room temperature has verified, and preheating station 3 is provided with preheating torr
Dish is to level sensor, preheating Time Pick-off Units and pallet Returning sensor；
Described control system includes checking control system and kinetic control system, and checking control system realizes automobile-used pressure
The verification of sensor and Stress control, kinetic control system realizes the motor control to each station.
Described pallet (seeing Fig. 5) includes upper steel plate, lower steel plate and middle pcb board, lower steel plate be provided with pre-determined bit groove and
Stop groove, upper steel plate has a number of circular hole, be used for placing Vehicular pressure sensor；Middle pcb board uses FR5 material
Make, draw common port and chip pin, convenient and high temperature verification station and the spy of room temperature verification station at middle pcb board edge
Pin connects.Upper steel plate uses resistance to heating platen, and lower steel plate can protect middle PCB well as substrate, upper steel plate and lower steel plate
Plate will not deform upon when stress.The pre-determined bit groove of lower steel plate design and stop groove, be in room temperature verification station at pallet, divide
When picking station and high temperature verification station, it can be ensured that tray position keeps consistent.The TG temperature of middle pcb board reaches 175 DEG C, can
The environment of 65-170 DEG C uses for a long time, there is good thermostability and mechanical strength, the low Z axis coefficient of expansion.
The checking control system of calibration equipment of the present invention includes that industrial computer, serial server, PTC-04 pressure transducer are compiled
Journey device and pressure controller, industrial computer includes that host computer and slave computer, host computer and slave computer carry out communication by board；
Described kinetic control system includes main frame PLC, slave PLC and LCDs, main frame PLC and slave PLC all with
Industrial computer is connected, and LCDs and main frame PLC, slave PLC carry out two-way communication, can obtain control from LCDs
The state of device, each electromagnetic valve, each position sensor and transmission line motor, it is achieved to pallet lift station, room temperature verification station, pre-
Thermal technology position, high temperature verification station, the corresponding control of sortation process, control sortation process manipulator behavior by controller, pass through
Transmission line motor Quality Initiative board transmission line 8 and the motion of time dish transmission line 9, can also enter calibration equipment (or production line) simultaneously
Row Non-follow control.Main frame PLC is mainly responsible for pallet lift station on the left of calibration equipment, room temperature verification station, preheating station
Motor control, slave PLC is responsible for the pallet lift station on right side, high temperature verification station, the motor control of sortation process.Along with torr
The change of dish position on a production line, slave computer is by the request verification letter of the running status of kinetic control system with two check bit
Number send to host computer.Verification result data and host computer running status are sent to main frame PLC and slave PLC by host computer, under
Position machine realizes pallet flowing on calibration equipment and to defective part according to the signal of host computer by kinetic control system
Sorting.
In the present invention, the control flow (seeing Fig. 4) of checking control system is: industrial computer is the control of checking control system
Core, has selected serial server to realize host computer to PTC-04 pressure transducer programmable device and the communication merit of pressure controller
Energy.Control information in checking control system is broadly divided into two kinds: 1) check information: in room temperature checking procedure, host computer leads to
Cross and use the ActiveX control technology of LabVIEW to write the realization of each function subprogram virtual instrument to PTC-04 pressure transducer
The control of programmable device.PTC-04 pressure transducer programmable device obtains Vehicular pressure sensor to be measured at two pressure spots of normal temperature condition
Under output valve, the pre-set parameter in contrast currency and room temperature verification programmable device, it is judged that the state of Vehicular pressure sensor,
And it is nursed one's health, eventually through the memory element of PTC-04 pressure transducer programmable device write Vehicular pressure sensor self, it
Afterwards parameter is compressed and latch operation.2) Stress control information: host computer uses Modbus/TCP communications protocol to pressure
Controller is controlled, and when needs change pressure, industrial computer sends Stress control information to pressure controller, pressure controller
Order booster pump fills, exits, and changes the force value of Vehicular pressure sensor room temperature check field, and pressure controller is in real time simultaneously
Actual pressure is fed back to host computer.High temperature checking procedure is consistent with room temperature checking procedure.
Calibration equipment of the present invention has six stations and performs the upper part of sensor, the conditioning of room temperature checking parameter, preheating respectively
Checking parameter conditioning, the conditioning of high temperature checking parameter, the sorting of defective part, transmission pallet function.Place Vehicular pressure sensor
Pallet circulates to each station from operating board under the driving of chain board transmission line, after treating that sensor calibration completes, by lower floor
Returning dish transmission line and be transported to operating board station, so far a complete checking process just completes.In motor control the least
Control object is more difficult to realize the accurate control to it, simultaneously in order to avoid doing Vehicular pressure sensor frequently in checking procedure
Displacement cause unnecessary damage, the present invention devises the pallet carrier as Vehicular pressure sensor.Automobile-used pressure sensing
Device, after the position of pallet determines, has been transformed into the motor control to pallet to the motor control of Vehicular pressure sensor,
Vehicular pressure sensor and pallet are geo-stationary in whole checking procedure.The material of the main body of pallet have selected steel,
Its advantage is can to bear bigger pressure without producing deformation at high temperature verification station, simultaneously has again good heat conductivity
Can, can effectively transfer heat to Vehicular pressure sensor when heating, make the Vehicular pressure sensor ratio that is heated more uniform
Heat time heating time can be decreased again simultaneously.
The automatic testing process of calibration equipment of the present invention is: Vehicular pressure sensor is put into pallet at operating board by operative employee
Laggard enter streamline, by upper strata chain board transmission line drive move to room temperature verification station complete room temperature verification.Subsequently into preheating
Station is to sensor the pre-heat treatment, and temperature arrives 85 DEG C of pallet transport vehicles pressure transducer and flows into high temperature verification station, high temperature
Verification station is placed in high-temperature cabinet, then Vehicular pressure sensor is carried out high temperature verification.After parameter latches, check results is led to
Crossing kinetic control system to send to slave computer, defective part is gripped to waste material box by mechanical hand in sortation process, and pieces O.K.
Returned dish transmission line through lifting station by lower floor and return operating board station.
More specifically (seeing Fig. 3) is: during beginning, and Vehicular pressure sensor is put into torr at operating board station 1 by operative employee
Entering chain board transmission line 8 after dish together, pallet is as the carrier of Vehicular pressure sensor, and Vehicular pressure sensor and pallet are whole
Individual checking procedure is geo-stationary, the motor control of Vehicular pressure sensor has been transformed into the motion control to pallet
System；Coming room temperature verification station 2, after pallet flows to room temperature verification station 2, room temperature pallet detects torr to level sensor
Dish puts in place, and upper and lower displacement cylinder is carried out by switch electromagnetic valve by kinetic control system according to the room temperature pallet sensor signal that puts in place
Inflation, lifts pallet and docks with the annular seal space of room temperature verification station 2.The position that annular seal space contacts with Vehicular pressure sensor uses
The sealing ring of silica gel material is embedded in annular seal space, ensures the air-tightness of annular seal space.Vehicular pressure sensor is pressed with PTC-04
Force transducer programmable device is connected with the chip pin of pallet both sides by the probe of room temperature verification station.Air cylinder driven pallet performs
After compression action, slave computer sending room temperature verification request signal, automobile-used pressure is passed by host computer by checking control system
Sensor carries out room temperature verification.Pallet is arranged in the right rail of room temperature verification station chain board transmission line to level sensor, passes through
Put in place the change of sensor signal of room temperature pallet judges the position of pallet, and this up limit sensors of station cylinder completes pallet
Compression, return, the descending limit sensors of cylinder completes the clearance action to pallet；Then pallet comes preheating station 3, pallet
Make pallet leave chain board transmission line 8 by the picking-up action of cylinder after entering preheating station, this avoid and carrier bar is caused
Abrasion.Pallet is variable in the time of staying of preheating station, considers sensor and the heat conductivity of pallet and room temperature verification
With the preheating time that high temperature checking time determines reality.Sensor temperature after preheating station reaches 85 DEG C, meets sensing
The temperature conditions of device high temperature verification.Preheating pallet on preheating station judges tray position to level sensor, completes pallet
Compress, return and let pass action；Pallet enters high temperature verification station 4 afterwards, and when equipment is properly functioning, in high-temperature cabinet 7, temperature is protected
Hold at 85 DEG C.High-temperature cabinet outer surface plastic-blasting, insulation material is that glass heat-insulating is cotton, and heater is rustless steel U-shaped fin radiating tube.
Temperature range: RT+10 DEG C～+100 DEG C, temperature fluctuation :≤0.5 DEG C (time unloaded), Vehicular pressure sensor is pressed with PTC-04
Force transducer programmable device is connected with the chip pin of pallet both sides by the probe of high temperature verification station.Put in place by high temperature pallet
The change of sensor signal judges the position of pallet, and this up limit sensors of station cylinder completes the compression to pallet, return,
The descending limit sensors of cylinder completes the clearance action to pallet；Vehicular pressure sensor is by the completeest after high temperature verification station
All verifying works are become.If there being the Vehicular pressure sensor that verification is failed, sortation process 5 realizes the rejecting merit to defective part
Can, decide whether pallet is let pass according to the check results of Vehicular pressure sensor, if Vehicular pressure sensor verification on pallet
Result is the most qualified the most directly lets pass to next station, if this is taken inventory is verifying failed Vehicular pressure sensor, does not the most let pass so
Rear execution compresses sorting work, mechanical hand to waste material, the gripping of defective part is deposited position, be put in useless part box, defective part
Sorting work completes, and pallet flows into lifting station；Equipment complete the verification to Vehicular pressure sensor with sorting after need by
It is transported to operating board station 1, by operator by checking qualified Vehicular pressure sensor to take out from pallet, places biography to be measured
Sensor carries out verifying work to it.Therefore there is a pallet lift station at the head and the tail two ends of whole production line.Pallet is from sorting
Station out after pallet furthered the pallet lift station in left side, by the motion of cylinder, pallet is delivered to back dish transmission line
9.Then pallet is transported to operating board station is transferred by the dish transmission line that returns of equipment lower floor, then by the pallet lift work on right side
It is delivered to operating board station 1 by position.
Incorporation engineering is applied to reality, and calibration equipment is through repeatedly testing, and sensitivity raising 90%, accuracy bring up to
94%, day maximum verification amount is 1536, reaches the requirement of enterprise, it is achieved automatically measuring and conditioning Vehicular pressure sensor
Compensate, reached the requirement of measurement and precision calibration, decreased manual operation, improve production efficiency.
Unaccomplished matter of the present invention is known technology.
Claims (3)
1. a Vehicular pressure sensor automatization calibration equipment, it is characterised in that this calibration equipment is overall in loopback configuration, if
Having upper and lower two-layer transmission line, upper strata is chain board transmission line, and lower floor is back dish transmission line, including operating board station, room temperature verification work
Position, preheating station, high temperature verification station, sortation process, pallet lift station and control system, pallet lift station includes left side
Pallet lift station and the pallet lift station on right side；Vehicular pressure sensor to be verified is fixed on pallet, operating board
Station, room temperature verification station, preheating station, high temperature verification station and sortation process are sequentially connected with from right to left, the pallet in left side
On the one hand lifting station is connected with sortation process, is on the other hand connected with time dish transmission line, returns dish transmission line right-hand member and passes through right side
Pallet lift station be connected with operating board station；
Described room temperature verification station and high temperature verification station are equipped with annular seal space, and pallet is placed in corresponding annular seal space, by changing
Pressure changeable is all provided with in Vehicular pressure sensor carries out room temperature or high temperature verification, room temperature verification station and high temperature verification station respectively
Put switch electromagnetic valve, room temperature/high temperature pallet to level sensor, the up limit sensors of cylinder and the descending limit sensors of cylinder；
Described high temperature verification station is provided with high-temperature cabinet；
Described preheating station is to have preheated Vehicular pressure sensor after room temperature has verified, and preheating station is provided with preheating
Pallet is to level sensor, preheating Time Pick-off Units and pallet Returning sensor；
Described control system includes checking control system and kinetic control system, and checking control system realizes automobile-used pressure sensing
The verification of device and Stress control, kinetic control system realizes the motor control to each station；
Described pallet includes upper steel plate, lower steel plate and middle pcb board, and lower steel plate is provided with pre-determined bit groove and stops groove, upper steel plate
On have the circular hole of design quantity, be used for placing Vehicular pressure sensor；Middle pcb board uses FR5 material to make, in centre
Common port and chip pin are drawn in pcb board edge.
Vehicular pressure sensor automatization the most according to claim 1 calibration equipment, it is characterised in that described verification controls
System includes industrial computer, serial server, PTC-04 pressure transducer programmable device and pressure controller, and industrial computer includes host computer
With slave computer, host computer and slave computer carry out communication by board；
Described kinetic control system includes that main frame PLC, slave PLC and LCDs, main frame PLC and slave PLC are all and industry control
Machine is connected, and LCDs and main frame PLC, slave PLC carry out two-way communication, and main frame PLC is responsible for the pallet on the left of calibration equipment
Lifting station, room temperature verification station, the motor control of preheating station, slave PLC is responsible for the pallet lift station on right side, high temperature school
Test the motor control of station, sortation process.
Vehicular pressure sensor automatization the most according to claim 2 calibration equipment, it is characterised in that described verification controls
The control flow of system is: the control information in checking control system is divided into 1) check information and 2) Stress control information, specifically
Control is: 1) check information: in room temperature checking procedure, and PTC-04 pressure transducer programmable device is controlled by host computer,
PTC-04 pressure transducer programmable device obtains the Vehicular pressure sensor to be measured output valve under two pressure spots of normal temperature condition, right
Ratio currency and the pre-set parameter in room temperature verification programmable device, it is judged that the state of Vehicular pressure sensor, and it is nursed one's health,
Eventually by the memory element of PTC-04 pressure transducer programmable device write Vehicular pressure sensor self, afterwards parameter is pressed
Contracting and latch operation；2) Stress control information: pressure controller is controlled by host computer, the industrial computer when needs change pressure
Send Stress control information to fill, exit to pressure controller, pressure controller order booster pump, thus change automobile-used pressure sensing
The force value of device room temperature check field, actual pressure is fed back to host computer by pressure controller in real time simultaneously；High temperature checking procedure
Consistent with room temperature checking procedure.
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| CN201610751705.6A CN106197842A (en) | 2016-08-27 | 2016-08-27 | Vehicular pressure sensor automatization calibration equipment |
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| CN201610751705.6A CN106197842A (en) | 2016-08-27 | 2016-08-27 | Vehicular pressure sensor automatization calibration equipment |
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Cited By (7)
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| CN108195507A (en) * | 2017-12-16 | 2018-06-22 | 芜湖致通汽车电子有限公司 | For sensor automation batch inspection system |
| CN108716963A (en) * | 2018-04-27 | 2018-10-30 | 歌尔股份有限公司 | The performance test methods of pressure sensor |
| CN109261530A (en) * | 2018-09-19 | 2019-01-25 | 国网冀北电力有限公司物资分公司 | A kind of automated sorting equipment of treaty documents |
| CN110346070A (en) * | 2019-08-14 | 2019-10-18 | 昆山灵科传感技术有限公司 | Carrier and the MEMS pressure sensor mould group calibrator (-ter) unit for using the carrier |
| CN110579310A (en) * | 2018-06-11 | 2019-12-17 | 无锡必创传感科技有限公司 | sensor environment setting equipment and sensor parameter calibration system |
| CN111174972A (en) * | 2019-11-26 | 2020-05-19 | 苏州纳芯微电子股份有限公司 | Pressure sensor calibration equipment |
| CN111174971A (en) * | 2019-11-26 | 2020-05-19 | 苏州纳芯微电子股份有限公司 | Detection assembly and pressure sensor calibration equipment |
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| CN108195507A (en) * | 2017-12-16 | 2018-06-22 | 芜湖致通汽车电子有限公司 | For sensor automation batch inspection system |
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| CN110579310A (en) * | 2018-06-11 | 2019-12-17 | 无锡必创传感科技有限公司 | sensor environment setting equipment and sensor parameter calibration system |
| CN110579310B (en) * | 2018-06-11 | 2021-12-31 | 无锡必创传感科技有限公司 | Sensor environment setting equipment and sensor parameter calibration system |
| CN109261530A (en) * | 2018-09-19 | 2019-01-25 | 国网冀北电力有限公司物资分公司 | A kind of automated sorting equipment of treaty documents |
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| CN111174972A (en) * | 2019-11-26 | 2020-05-19 | 苏州纳芯微电子股份有限公司 | Pressure sensor calibration equipment |
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Application publication date: 20161207 |