CN105509961B - Automatic detecting device and method for large-array resistance strain gauge - Google Patents
Automatic detecting device and method for large-array resistance strain gauge Download PDFInfo
- Publication number
- CN105509961B CN105509961B CN201511024782.3A CN201511024782A CN105509961B CN 105509961 B CN105509961 B CN 105509961B CN 201511024782 A CN201511024782 A CN 201511024782A CN 105509961 B CN105509961 B CN 105509961B
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- pin
- foil gauge
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- slide unit
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Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Abstract
The invention discloses an automatic detecting device for a large-array resistance strain gauge. The automatic detecting device comprises a frame, a positioning and fixing mechanism, a detecting mechanism, a computer, a data acquisition board, a table digital multimeter, and an output amplification board. The positioning and fixing mechanism comprises a two-dimension mobile platform, a vacuum adsorption table, and a vacuum adsorption loop. The vacuum adsorption table comprises an adsorption table lower cover and an adsorption table upper cover. The vacuum adsorption loop comprises a vacuum pump, a vacuum filter, a vacuum degree regulating valve and a vacuum solenoid valve. The detecting mechanism comprises a first cylinder sliding table, a cylinder sliding table installation plate, a second cylinder sliding table, a pneumatic loop, a probe box, a detecting circuit board, and a spring probe array. The pneumatic loop comprises an air pump, an air filter, a reducing valve, and a pressure gauge. The invention further discloses an automatic detecting method for the large-array resistance strain gauge. The automatic detecting device is novel and reasonable in design, low in production cost, high in operation reliability, reduces worker labor intensity and product production cost, and achieves high popularization and application value.
Description
Technical field
The invention belongs to resistance strain plate production technical field, and in particular to a kind of big array resistors formula foil gauge is automatic
Detection means and method.
Background technology
Resistance strain plate be Analysis of Experimental Stress, test and measuring technology, automatic detection and control technology and weigh or
The key element of force cell, with size it is little, creep is little, good anti-fatigue performance and the features such as good stability,
It is widely used in various machineries and the diagnosis and assessment in engineering structure intensity and life-span, is also used for detection and the meter of various physical quantitys
Amount, realizes the measurement and control of production process and scientific experimentss process.Resistance strain plate is mainly pasted onto the surface of elastomer,
The micro-strain (elongating or shortening) that elastomer is produced on rear surface loaded, makes to be pasted onto the foil gauge on its surface also in company with product
Change shape, and after resistance strain gage deformation, its resistance will change (increase reduces), then the corresponding measuring circuit handles of Jing
This resistance variations is converted to the signal of telecommunication (voltage or electric current) output, measures the change of resistance, you can calculate elastomer by formula
The strain on surface, and corresponding stress.
As shown in figure 8, resistance strain plate is mainly made up of sensitive grid 41, substrate 42, coating 43 and lead 44, it is sensitive
Grid 41 are bonded between substrate 42 and coating 43 with binding agent 45.In foil gauge production process, first by foil secure adhesion
In substrate 42,42 material of substrate is usually glued membrane (phenol-formaldehyde resin modified, polyimide resin, epoxy resin etc.), and thickness is about
For 0.02mm～0.04mm；41 material of sensitive grid is about the metal alloy foil of 0.0025mm～0.005mm for thickness, and foil is usual
For constantan foil, karma foil material, annealing constantan foil etc.；The molding of sensitive grid 41 is to enter foil according to certain circuit requirement
Row photoetching, corrosion, the resistance wire finally remained in substrate 42 are sensitive grid 41.Make to further improve sensitive grid 41
Job stability and service life with during, in addition it is also necessary to increase coating 43 on sensitive grid 41, general coating 43
Material is identical with base material, and thickness is about 0.01mm～0.02mm, the gross thickness of resistance strain plate be about 0.035mm～
0.05mm。
Resistance strain plate is lost according to certain queueing discipline figure on the metal foil plate of a 102mm × 115mm
Quarter forms, and generally has the figure of multiple products on a metal foil plate.Have on a kind of big array resistors formula foil gauge diaphragm
Multiple resistance strain plate units arranged by array, each resistance strain plate unit draw 4 electrodes, measure as 4
Point.
Need to separate single strain flake products from justifying in the foil gauge production later stage, and to single strain
Flake products are detected, are sorted finally according to testing result, needed defeated to its Static Electro resistance, magnitude of voltage, sensitivity, heat
Go out, transverse sensitivity ratio, creep, the multinomial operating characteristic such as strain limit and fatigue life are tested.Wherein Static Electro resistance,
Magnitude of voltage, sensitivity technique belong to one hundred percent inspection, and other performance index belong to bulk sampling inspection.At present, the electricity to foil gauge
Resistance, voltage measurement are completely dependent on manual testing, and as foil gauge yield is big, the workman of needs is more, causes high labor intensive, production
High cost, and testing efficiency is low, easily malfunctions, is unfavorable for the stability control to product quality.
The content of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, there is provided a kind of structure is tight
Gather, it is novel in design rationally, cost of implementation is low, functional reliability is high, it is practical, can improve production efficiency, reduce workman's labor
The high big array resistors formula foil gauge automatic detection device of fatigue resistance and production cost, application value.
For solving above-mentioned technical problem, the technical solution used in the present invention is：A kind of big array resistors formula foil gauge is automatic
Detection means, it is characterised in that：Including frame, positioning fixed mechanism, testing agency and computer, on the computer, number is connected to
According to analog input card and desk type digital universal meter, the signal output of the data collecting plate card is terminated with exporting amplification board；
The frame includes upper and lower spaced upper plate and lower shoe, and is supported between upper plate and lower shoe
Pillar；
The positioning fixed mechanism includes two-dimensional movement platform at the top of lower shoe, installed in two-dimensional movement platform
Top vacuum adsorption table and for the vac sorb loop to vacuum adsorption table evacuation, the two-dimensional movement platform includes X
Axle mobile motor, Y-axis mobile motor, X-axis moving grating chi and Y-axis moving grating chi, the vacuum adsorption table include mutually button
Cover on the absorptive table lower cover for closing and being fixedly connected and absorptive table, on the absorptive table lower cover and absorptive table, cover buckle closes the space to be formed
For vacuum chamber, on the upper surface covered on the absorptive table, adsorption hole is provided with；The vac sorb loop is included by vacuum tube
Vacuum pump, vacuum filter, vacuum regulating valve and the vacuum solenoid being sequentially connected, the vacuum tube and the vacuum chamber phase
Connection, is connected with vacuum meter in the vacuum regulating valve；The X-axis moving grating chi and Y-axis moving grating chi are and data
The signal input part connection of analog input card, the X-axis mobile motor, Y-axis mobile motor and vacuum solenoid are amplified with output
The outfan connection of plate；
The testing agency includes the cunning for being horizontally set on the first cylinder slide unit and the first cylinder slide unit at the top of upper plate
The cylinder slide unit installing plate and the second cylinder slide unit being connected with cylinder slide unit installing plate of platform connection, and pneumatic circuit；It is described
Probe box is connected with by connecting plate on the slide unit of the second cylinder slide unit, the probe box is internally provided with detection circuit board, institute
State be provided with multichannel foil gauge resistive voltage detection circuit on detection circuit board and circuit detected with multichannel foil gauge resistive voltage
Signal acquisition terminal connection and pass downwards the spring probe array of probe box；The pneumatic circuit includes connecting by trachea successively
Air pump, air filter, air relief valve and the pressure gauge for connecing, the first cylinder slide unit are connected with trachea by the first air-operated solenoid valve
Connect, the second cylinder slide unit is connected with trachea by the second air-operated solenoid valve；First air-operated solenoid valve and second pneumatic
Electromagnetic valve is connected with the outfan of output amplification board, and the control signal input of multichannel foil gauge resistive voltage detection circuit is equal
It is connected with the signal output part of data collecting plate card, the signal output part of multichannel foil gauge resistive voltage detection circuit is by letter
Number output interface is connected with desk type digital universal meter.
Above-mentioned a kind of big array resistors formula foil gauge automatic detection device, it is characterised in that：The pillar is by many companies
The aluminium section bar for being connected into frame structure is made, and the aluminium section bar is fixedly connected by triangle connecting rack with aluminium section bar, the aluminium profiles
Material is fixedly connected by screw bolt and nut with upper plate, and the aluminium section bar is connected by bolt, nut and triangle with lower shoe
Frame is fixedly connected.
Above-mentioned a kind of big array resistors formula foil gauge automatic detection device, it is characterised in that：The absorptive table lower cover with
Sealing gasket is provided between covering on absorptive table, is covered on the absorptive table lower cover, sealing gasket and absorptive table and spiral shell is connected by absorptive table
Bolt is fixedly connected, and the side of the absorptive table lower cover is provided with screwed hole, and the vacuum tube is connected with screwed hole by pneumatic joint
Connect.
Above-mentioned a kind of big array resistors formula foil gauge automatic detection device, it is characterised in that：Cover on the absorptive table
A plurality of level is provided with upper surface to groove and a plurality of vertically to groove, a plurality of level to groove and it is a plurality of it is described vertically
Intersect to groove and define multiple projections, the quantity of the adsorption hole is multiple, and multiple adsorption holes are distributed in multiple projections
On；On the absorptive table, cap upper surface is shaped as rectangle, is carved with reference on the absorptive table on four feet of cap upper surface
Position line.
Above-mentioned a kind of big array resistors formula foil gauge automatic detection device, it is characterised in that：The first cylinder slide unit
For Rodless cylinder slide unit, the quantity of the detection circuit board is two pieces, and two pieces of detection circuit boards pass through copper spiral shell one on the other
Post is fixedly connected with screw, and the detection welding circuit board on the spring probe array and top simultaneously penetrates the detection circuit board of bottom
Pass probe box afterwards still further below.
Above-mentioned a kind of big array resistors formula foil gauge automatic detection device, it is characterised in that：The spring probe array
It is made up of multigroup spring probe group, every group of spring probe group is by for four measurements in measurement with a resistance strain gage
Four spring probe compositions of point correspondence contact；It is ADG84's including model per road foil gauge resistive voltage detection circuit
Chip S1, chip S2 and chip S3, the signal output interface are the Wiring port P1 with four pins；The chip S1's
1st pin is connected with the outfan VCC of power supply, and is grounded by electric capacity C1, and the 4th pin and the 8th of the chip S1 draws
Foot connect and for foil gauge resistive voltage detect circuit the first control signal input IN1, the 5th pin of the chip S1 with
First measurement point connection of the resistance strain gage, the 6th pin ground connection of the chip S1, the 7th pin of the chip S1
It is connected with second measurement point of the resistance strain gage；1st pin of the chip S2 and the outfan VCC phases of power supply
Connect, and be grounded by electric capacity C2, the 4th pin of the chip S2 and the 8th pin connect and electric for the detection of foil gauge resistive voltage
Second control signal input IN2 on road, the 5th pin of the chip S2 are connected with the 3rd measurement point of the resistance strain gage
Connect, the 6th pin of chip S2 ground connection, the 7th pin of the chip S2 and the 4th measurement point of the resistance strain gage
Connection；1st pin of the chip S3 is connected with the outfan VCC of power supply, and is grounded by electric capacity C3, the chip S3
The 4th pin and the 8th pin connection and for foil gauge resistive voltage detect circuit the 3rd control signal input IN3, it is described
5th pin of chip S3 is connected with first measurement point of the resistance strain gage, the 6th pin ground connection of the chip S3, institute
State the 7th pin of chip S3 to be connected with second measurement point of the resistance strain gage；The foil gauge resistive voltage detection electricity
First control signal input IN1 on road, the second control signal input IN2 and the 3rd control signal input IN3 with number
Connect according to the signal output part of analog input card, the 3rd pin of the chip S1 is that foil gauge resistive voltage detects the first of circuit
9th pin of signal output part D1, the chip S1 detects the secondary signal outfan D2 of circuit, institute for foil gauge resistive voltage
The 3rd pin for stating the 3rd pin and the chip S3 of chip S2 connects and detects the 3rd letter of circuit for foil gauge resistive voltage
Number outfan D3, the 9th pin of the 9th pin and the chip S3 of the chip S2 connect and detect for foil gauge resistive voltage
4th signal output part D4 of circuit, is connect with described per the first signal output part D1 of road foil gauge resistive voltage detection circuit
The 1st pin connection of line end mouth P1, is connect with described per the secondary signal outfan D2 of road foil gauge resistive voltage detection circuit
The 2nd pin connection of line end mouth P1, is connect with described per the 3rd signal output part D3 of road foil gauge resistive voltage detection circuit
The 3rd pin connection of line end mouth P1, is connect with described per the 4th signal output part D4 of road foil gauge resistive voltage detection circuit
The 4th pin connection of line end mouth P1.
Above-mentioned a kind of big array resistors formula foil gauge automatic detection device, it is characterised in that：The desktop digital general-purpose
Table is 2000 type desk type digital universal meter of Keithley, and the 1st pin of the Wiring port P1 is desk-top with 2000 type of the Keithley
The INPUT HI interfaces connection of digital multimeter, the 2nd pin and the desk-top number of 2000 type of the Keithley of the Wiring port P1
The INPUT LO interfaces connection of word circuit tester, the 3rd pin and the 2000 type desktop digital of the Keithley of the Wiring port P1
The SENSE Ω 4WIRE HI interfaces connection of circuit tester, the 4th pin of the Wiring port P1 are desk-top with 2000 type of the Keithley
The SENSE Ω 4WIRE LO interfaces connection of digital multimeter.
Above-mentioned a kind of big array resistors formula foil gauge automatic detection device, it is characterised in that：The data collecting plate card
Model NI PCI6509, model HSF16M of the output amplification board.
The invention also discloses a kind of method and step is simple, high big array resistors formula is strained to realize convenient, detection efficiency
Piece automatic testing method, it is characterised in that the method is comprised the following steps：
After step one, operator are placed on big array resistors formula foil gauge diaphragm in vacuum adsorption table manually, in meter
Input absorption fixed instruction on calculation machine, and start vacuum pump, data collecting plate card is true by exporting the driving of amplification board output signal
Empty electromagnetic valve is opened, and vacuum pump evacuation makes the vacuum intracavity produce negative pressure, and big array resistors formula foil gauge diaphragm is adsorbed
It is fixed on the upper surface covered on absorptive table；
Step 2, on computers input start detection instruction, and first, data collecting plate card is by exporting amplification board output
Signal drives the first air-operated solenoid valve to open, and the first cylinder slide unit drives the second cylinder slide unit and bullet by cylinder slide unit installing plate
Spring probe array horizontal movement；Then, data collecting plate card drives the second air-operated solenoid valve by exporting amplification board output signal
Open, the second cylinder slide unit drives spring probe array to move downward by connecting plate, reaching spring probe array will detect
First group of resistance-strain blade unit at；
Step 3, operation computer, computer passes through desk type digital universal meter and foil gauge resistive voltage detects circuit, right
In first group of resistance-strain blade unit, the resistance and voltage of each resistance strain gage is measured, and desk type digital universal meter will be measured
As a result export to computer, measurement result is compared by computer with examination criteria, and records comparative result；
After the completion of step 4, comparative result record, first, data collecting plate card is driven by exporting amplification board output signal
Second air-operated solenoid valve commutates, and the second cylinder slide unit drives spring probe array to move upwards by connecting plate, makes spring probe
Array leaves to be detected first group resistance-strain blade unit；Then, data collecting plate card is by exporting amplification board output signal
Y-axis mobile motor, Y-axis mobile motor is driven to drive vacuum adsorption table movement, Y-axis moving grating chi that displacement is passed through data
Analog input card feeds back to computer, until stopping after moving the width distance of one group of resistance-strain blade unit；
Step 5, data collecting plate card drive the commutation of the second air-operated solenoid valve again by output amplification board output signal,
Second cylinder slide unit drives spring probe array to move downward by connecting plate, reaches spring probe array to be detected next
At group resistance-strain blade unit；
Repeat step three is to step 5, until the detection of all of resistance-strain blade unit is completed.
The present invention has advantages below compared with prior art：
1st, the compact conformation of the big array resistors formula foil gauge automatic detection device of the present invention, novel in design reasonable, processing system
Make conveniently.
2nd, the big array resistors formula foil gauge automatic detection device of the present invention is simple to operate, applied widely, can realize
The automatic detection of the big array resistors formula foil gauge of different model.
3rd, big array resistors formula foil gauge automatic detection device of the invention, employs precision mechanical transmission, computer control
System and Pneumatic Control Technology, compared with existing manual detection, with being quick on the draw, high working efficiency, pollute little and peripheral
Adnexa of attaching troops to a unit is few, the low plurality of advantages of cost of implementation.
4th, the two-dimensional movement platform with grating scale is present invention employs, realization is absorbed and fixed at big in vacuum adsorption table
The movement of array resistors formula foil gauge, displacement controllable precision can reach 0.001mm.
5th, vacuum adsorption table of the invention can realize that the absorption of the big array resistors formula foil gauge of different model is fixed, and
Abrasion to big array resistors formula foil gauge is little, and absorption fixed efficiency is high, pollute little.
6th, the method and step of the big array resistors formula foil gauge automatic testing method of the present invention is simple, and it is convenient to realize, detection effect
Rate is high.
7th, the present invention can improve the detection efficiency of big array resistors formula foil gauge, and then improve production efficiency, reduce work
People's labor intensity, stability contorting product quality, the competitiveness of enterprise.
8th, the present invention can realize big the rapid, accurate of array resistors formula foil gauge, automatic detection, practical, use
Effect is good, and application value is high.
In sum, the present invention is novel in design reasonable, and cost of implementation is low, and functional reliability is high, practical, it is possible to increase
Production efficiency, reduces labor strength and production cost, and application value is high.
Below by drawings and Examples, technical scheme is described in further detail.
Description of the drawings
Fig. 1 is the part-structure schematic diagram of big array resistors formula foil gauge automatic detection device of the invention.
Fig. 2 is the structural representation of vacuum adsorption table of the present invention.
Fig. 3 is the attachment structure schematic diagram of spring probe array of the present invention and detection circuit board.
Fig. 4 is the annexation schematic diagram of computer of the present invention and other each parts.
Fig. 5 is the annexation schematic diagram of vacuum adsorption table of the present invention and vac sorb loop.
Fig. 6 is the annexation schematic diagram of the first cylinder slide unit of the invention and the second cylinder slide unit and pneumatic circuit.
Fig. 7 is the circuit theory diagrams that foil gauge resistive voltage of the present invention detects circuit.
Fig. 8 is the structural representation of existing resistance strain plate.
Description of reference numerals:
1 upper plate；2 first cylinder slide units；3 cylinder slide unit installing plates；
4 second cylinder slide units；5 connecting plates；6 probe boxs；
7 copper studs；8 detection circuit boards；9 spring probe arrays；
10 Y-axis moving grating chis；11 two-dimensional movement platforms；12 X-axis moving grating chis；
13 vacuum adsorption tables；13-1 absorptive table lower covers；Cover on 13-2 absorptive tables；
13-3 adsorption holes；13-4 sealing gaskets；13-5 absorptive table connecting bolts；
13-6 screwed holes；13-7 projections；13-8 reference location lines；
14 big array resistors formula foil gauge diaphragms；15 Y-axis mobile motors；
16 X-axis mobile motors；17 lower shoes；18 triangle connecting racks；
19 aluminium section bars；20 air pumps；21 air filters；
22 air relief valve；23 pressure gauges；24 tracheas；
25 vacuum solenoids；26 first air-operated solenoid valves；27 vacuum meters；
28 vacuum regulating valves；29 vacuum filters；30 vacuum pumps；
31 vacuum tubes；32 second air-operated solenoid valves；33 pneumatic joints；
34 screws；35 computers；36 data collecting plate cards；
37 desk type digital universal meters；38 output amplification boards；39 signal output interfaces；
40 foil gauge resistive voltages detect circuit；41 sensitive grids；
42 substrates；43 coatings；44 leads；
45 binding agents.
Specific embodiment
As shown in Figure 1 and Figure 4, big array resistors formula foil gauge automatic detection device of the invention, it is solid including frame, positioning
Determine mechanism, testing agency and computer 35, on the computer 35, be connected to data collecting plate card 36 and desk type digital universal meter 37,
The signal output of the data collecting plate card 36 is terminated with exporting amplification board 38；
The frame includes upper and lower spaced upper plate 1 and lower shoe 17, and is supported on upper plate 1 and lower shoe
Pillar between 17；
The positioning fixed mechanism includes two-dimensional movement platform 11 at the top of lower shoe 17, installed in two-dimensional movement
Vacuum adsorption table 13 at the top of platform 11 and for the vac sorb loop to 13 evacuation of vacuum adsorption table, the two-dimensional movement
Platform 11 includes X-axis mobile motor 16, Y-axis mobile motor 15, X-axis moving grating chi 12 and Y-axis moving grating chi 10, with reference to figure
2, the vacuum adsorption table 13 includes the absorptive table lower cover 13-1 for mutually fastening and being fixedly connected and covers 13-2 on absorptive table, described
It is vacuum chamber to cover 13-2 on absorptive table lower cover 13-1 and absorptive table and fasten the space to be formed, and covers the upper table of 13-2 on the absorptive table
Adsorption hole 13-3 is provided with face；With reference to Fig. 5, the vac sorb loop includes the vacuum pump being sequentially connected by vacuum tube 31
30th, vacuum filter 29, vacuum regulating valve 28 and vacuum solenoid 25, the vacuum tube 31 are connected with the vacuum chamber,
Vacuum meter 27 is connected with the vacuum regulating valve 28；The X-axis moving grating chi 12 and Y-axis moving grating chi 10 with number
Connect according to the signal input part of analog input card 36, the X-axis mobile motor 16, Y-axis mobile motor 15 and vacuum solenoid 25 are equal
It is connected with the outfan of output amplification board 38；
The testing agency includes being horizontally set on the first cylinder slide unit 2 at the top of upper plate 1, and the first cylinder slide unit 2
Slide unit connection cylinder slide unit installing plate 3 and the second cylinder slide unit 4 being connected with cylinder slide unit installing plate 3, and pneumatic time
Road；Probe box 6 is connected with by connecting plate 5 on the slide unit of the second cylinder slide unit 4, with reference to Fig. 3, inside the probe box 6
Detection circuit board 8 is provided with, on the detection circuit board 8, multichannel foil gauge resistive voltage detection circuit 40 and and multichannel is provided with
The signal acquisition terminal of foil gauge resistive voltage detection circuit 40 connects and passes downwards the spring probe array 9 of probe box 6；With reference to
Fig. 6, the pneumatic circuit include air pump 20, air filter 21, air relief valve 22 and the pressure gauge being sequentially connected by trachea 24
23, the first cylinder slide unit 2 is connected with trachea 24 by the first air-operated solenoid valve 26, and the second cylinder slide unit 4 is by the
Two air-operated solenoid valves 32 are connected with trachea 24；First air-operated solenoid valve 26 and the second air-operated solenoid valve 32 are amplified with output
The outfan connection of plate 38, the control signal input of multichannel foil gauge resistive voltage detection circuit 40 is and data collecting plate card
36 signal output part connection, the signal output part of multichannel foil gauge resistive voltage detection circuit 40 pass through signal output interface
39 are connected with desk type digital universal meter 37.When being embodied as, the first cylinder slide unit 2 is bolted to connection in upper plate
At the top of 1, cylinder slide unit installing plate 3 is fixedly connected with the slide unit of the first cylinder slide unit 2 by bolt, connecting plate 5 by bolt with
The slide unit of the second cylinder slide unit 4 is fixedly connected, and the probe box 6 is fixedly connected with connecting plate 5 by bolt.
As shown in figure 1, in the present embodiment, the pillar is made up of many aluminium section bars 19 for connecting into frame structure, described
Aluminium section bar 19 is fixedly connected by triangle connecting rack 18 with aluminium section bar 19, the aluminium section bar 19 and upper plate 1 pass through bolt and
Nut is fixedly connected, and the aluminium section bar 19 is fixedly connected by bolt, nut and triangle connecting rack 18 with lower shoe 17.
As shown in Fig. 2 in the present embodiment, covering on the absorptive table lower cover 13-1 and absorptive table between 13-2 and being provided with sealing
Pad 13-4, covers 13-2 solid by absorptive table connecting bolt 13-5 on the absorptive table lower cover 13-1, sealing gasket 13-4 and absorptive table
Fixed to connect, the side of the absorptive table lower cover 13-1 is provided with screwed hole 13-6, the vacuum tube 31 by pneumatic joint 33 with
Screwed hole 13-6 connects.A plurality of level is provided with the upper surface for covering 13-2 on the absorptive table to groove and a plurality of vertically to recessed
Groove, a plurality of level define multiple projection 13-7, the absorption to groove and a plurality of described vertically intersecting to groove
The quantity of hole 13-3 is multiple, and multiple adsorption hole 13-3 are distributed on multiple projection 13-7；13-2 upper tables are covered on the absorptive table
Face is shaped as rectangle, is carved with reference location line 13-8 on four feet for covering 13-2 upper surfaces on the absorptive table.By setting
Sealing gasket 13-4 is put, the gap air leak covered between 13-2 on absorptive table lower cover 13-1 and absorptive table can be avoided, affect described true
The quick formation of vacuum needed for cavity and holding；By arranging reference location line 13-8, facilitating should to big array resistors formula
Become piece diaphragm to be accurately positioned.
As shown in figure 3, in the present embodiment, the first cylinder slide unit 2 is Rodless cylinder slide unit, the detection circuit board 8
Quantity be two pieces, two pieces it is described detection circuit boards 8 be fixedly connected with screw 34 by copper stud 7 one on the other, the spring
Probe array 9 is welded and passes probe box 6 still further below after penetrating the detection circuit board 8 of bottom with the detection circuit board 8 on top.
As shown in Figure 3 and Figure 7, in the present embodiment, the spring probe array 9 is made up of multigroup spring probe group, per group
Spring probe group is made up of four spring probes, every group of spring probe group by measurement with a resistance strain gage
Four spring probe compositions of four measurement point correspondence contacts；Include that model is equal per road foil gauge resistive voltage detection circuit 40
For the chip S1 of ADG84, chip S2 and chip S3, the signal output interface 39 is the Wiring port P1 with four pins；
1st pin of the chip S1 is connected with the outfan VCC of power supply, and is grounded by electric capacity C1, and the 4th of the chip S1 the
Pin and the connection of the 8th pin and the first control signal input IN1 for foil gauge resistive voltage detection circuit 40, the chip
5th pin of S1 is connected with first measurement point of the resistance strain gage, the 6th pin ground connection of the chip S1, the core
7th pin of piece S1 is connected with second measurement point of the resistance strain gage；1st pin and power supply of the chip S2
Outfan VCC connect, and be grounded by electric capacity C2, the 4th pin of the chip S2 and the connection of the 8th pin and for foil gauge electricity
Second control signal input IN2 of resistance voltage detecting circuit 40, the 5th pin and the resistance strain gage of the chip S2
3rd measurement point connection, the 6th pin ground connection of the chip S2, the 7th pin and the resistance strain gage of the chip S2
The connection of the 4th measurement point；1st pin of the chip S3 is connected with the outfan VCC of power supply, and passes through electric capacity C3
Ground connection, the 4th pin of the chip S3 and the connection of the 8th pin and the 3rd control letter for foil gauge resistive voltage detection circuit 40
Number input IN3, the 5th pin of the chip S3 are connected with first measurement point of the resistance strain gage, the chip S3
The 6th pin ground connection, the 7th pin of the chip S3 is connected with second measurement point of the resistance strain gage；The strain
First control signal input IN1 of sheet resistance voltage detecting circuit 40, the second control signal input IN2 and the 3rd control letter
Number input IN3 is connected with the signal output part of data collecting plate card 36, and the 3rd pin of the chip S1 is strain sheet resistance
9th pin of the first signal output part D1 of voltage detecting circuit 40, the chip S1 is that foil gauge resistive voltage detects circuit
3rd pin of the 3rd pin and the chip S3 of 40 secondary signal outfan D2, the chip S2 connects and electric for foil gauge
3rd signal output part D3 of resistance voltage detecting circuit 40, the 9th pin phase of the 9th pin and the chip S3 of the chip S2
The 4th signal output part D4 of circuit 40 is met and detects for foil gauge resistive voltage, per road foil gauge resistive voltage detection circuit 40
The first signal output part D1 be connected with the 1st pin of the Wiring port P1, per road foil gauge resistive voltage detection circuit
40 secondary signal outfan D2 is connected with the 2nd pin of the Wiring port P1, per road foil gauge resistive voltage detection electricity
The 3rd signal output part D3 on road 40 is connected with the 3rd pin of the Wiring port P1, per road foil gauge resistive voltage detection
4th signal output part D4 of circuit 40 is connected with the 4th pin of the Wiring port P1.
In the present embodiment, the desk type digital universal meter 37 is 2000 type desk type digital universal meter 37 of Keithley, described to connect
1st pin of line end mouth P1 is connected with the INPUT HI interfaces of 2000 type desk type digital universal meter 37 of the Keithley, described to connect
2nd pin of line end mouth P1 is connected with the INPUT LO interfaces of 2000 type desk type digital universal meter 37 of the Keithley, described to connect
3rd pin of line end mouth P1 is connected with the SENSE Ω 4WIRE HI interfaces of 2000 type desk type digital universal meter 37 of the Keithley,
4th pin of the Wiring port P1 is connect with the SENSE Ω 4WIRE LO of 2000 type desk type digital universal meter 37 of the Keithley
Mouth connection.
Specifically, as shown in fig. 7, the resistance strain gage is equivalent to resistance bridge R1, one of the resistance bridge R1
Two connection ends on diagonal be respectively measurement end 1S1B corresponding with first measurement point of the resistance strain gage and with
Corresponding measurement end 1S2B of second measurement point of the resistance strain gage, two on another diagonal of the resistance bridge R1
Individual connection end be respectively measurement end 2S1B corresponding with the 3rd of the resistance strain gage the measurement point and with the resistance-strain
4th corresponding measurement end 2S2B of measurement point of piece.
In the present embodiment, chip S1, chip S2 and chip S3 are internal opening containing two independent single-pole double-throw switch (SPDT)s
Device is closed, the device has ultralow conducting resistance, 0.4 Ω is less than in whole temperature range.
When specifically used, 35 timesharing of computer detects that to multichannel foil gauge resistive voltage each resistance of the connection of circuit 40 should
Become the resistance between first measurement point and the second measurement point of piece, and the 3rd measurement point and the 4th of each resistance strain gage is surveyed
Zero-point voltage between amount point is measured, to not being now the strain sheet resistance of the resistance strain gage connection for measuring
Voltage detecting circuit 40, exports the first control signal input that " 1 " logic high detects circuit 40 to foil gauge resistive voltage
End IN1, the second control signal input IN2 and the 3rd control signal input IN3；To the electricity for now measuring resistance
The foil gauge resistive voltage detection circuit 40 of resistance foil gauge connection, output " 0 " logic low, " 1 " logic high, " 0 " are patrolled
Collect low level and detect that the first control signal input IN1 of circuit 40, the second control signal are defeated to foil gauge resistive voltage respectively
Enter to hold IN2 and the 3rd control signal input IN3；The foil gauge connected by the resistance strain gage for now measuring voltage
Resistive voltage detects circuit 40, and output " 0 " logic low, " 0 " logic low, " 1 " logic high give foil gauge respectively
First control signal input IN1 of resistive voltage detection circuit 40, the second control signal input IN2 and the 3rd control signal
Input IN3.
When the first control signal input IN1 be " 0 " logic low, the second control signal input IN2 be " 1 " logic
When high level and the 3rd control signal input IN3 are " 0 " logic low, the S1B pins and S2B pins of the chip S1 are led
Lead to, i.e., the 5th pin of described chip S1 and the 7th pin are turned on, the S1A pins of the chip S2 and S2A pins are turned on, i.e., described
2nd pin of chip S2 and the conducting of the 10th pin, the S1B pins of the chip S3 and the conducting of S2B pins, i.e., described chip S3's
5th pin and the conducting of the 7th pin, the first signal output part D1 and the resistance of the foil gauge resistive voltage detection circuit 40
Measurement end 1S1B of bridge R1 is connected, the secondary signal outfan D2 and the resistance of the foil gauge resistive voltage detection circuit 40
Measurement end 1S2B of bridge R1 is connected, the 3rd signal output part D3 and the resistance of the foil gauge resistive voltage detection circuit 40
Measurement end 1S1B of bridge R1 is connected, the 4th signal output part D2 and the resistance of the foil gauge resistive voltage detection circuit 40
Measurement end 1S2B of bridge R1 is connected, and now, the output four-wire ohm measurement instruction of computer 35 can measure the resistance bridge R1
Measurement end 1S1B and measurement end 1S2B two ends between resistance, that is, measured first measurement point and second of resistance strain gage
Resistance between measurement point.
When the first control signal input IN1 be " 0 " logic low, the second control signal input IN2 be " 0 " logic
When low level and the 3rd control signal input IN3 are " 1 " logic high, the S1B pins and S2B pins of the chip S1 are led
Lead to, i.e., the 5th pin of described chip S1 and the 7th pin are turned on, the S1B pins of the chip S2 and S2B pins are turned on, i.e., described
5th pin of chip S2 and the conducting of the 7th pin, the S1A pins of the chip S3 and the conducting of S2A pins, i.e., described chip S3's
2nd pin and the conducting of the 10th pin, the first signal output part D1 and the electricity of the foil gauge resistive voltage detection circuit 40
Measurement end 1S1B of resistance bridge R1 is connected, the secondary signal outfan D2 and the electricity of the foil gauge resistive voltage detection circuit 40
Measurement end 1S2B of resistance bridge R1 is connected, the 3rd signal output part D3 and the electricity of the foil gauge resistive voltage detection circuit 40
Measurement end 2S1B of resistance bridge R1 is connected, the 4th signal output part D2 and the electricity of the foil gauge resistive voltage detection circuit 40
Measurement end 2S2B of resistance bridge R1 is connected, and now, the output four-wire ohm measurement instruction of computer 35,2000 type of the Keithley are desk-top
Digital multimeter 37 exports the electric current of 1mA, the Keithley to measurement end 1S1B and measurement end 1S2B of the resistance bridge R1
2000 type desk type digital universal meters 37 can be measured between measurement end 2S1B of the resistance bridge R1 and measurement end 2S2B two ends
Zero-point voltage, that is, measured the zero-point voltage between the 3rd measurement point of resistance strain gage and the 4th measurement point.
In the present embodiment, the model NI PCI6509 of the data collecting plate card 36, the type of the output amplification board 38
Number be HSF16M.
A kind of big array resistors formula foil gauge automatic testing method of the present invention, comprises the following steps：
After step one, operator are placed on big array resistors formula foil gauge diaphragm 14 in vacuum adsorption table 13 manually,
The input absorption fixed instruction on computer 35, and start vacuum pump 30, data collecting plate card 36 is defeated by exporting amplification board 38
Going out signal drives vacuum solenoid 25 to open, and 30 evacuation of vacuum pump makes the vacuum intracavity produce negative pressure, by big array resistors
Formula foil gauge diaphragm 14 is absorbed and fixed on absorptive table on the upper surface for covering 13-2；
Step 2, on computer 35 input start detection instruction, first, data collecting plate card 36 by export amplification board
38 output signals drive the first air-operated solenoid valve 26 to open, and the first cylinder slide unit 2 drives the second gas by cylinder slide unit installing plate 3
9 horizontal movement of cylinder slide unit 4 and spring probe array；Then, data collecting plate card 36 is driven by exporting 38 output signal of amplification board
Dynamic second air-operated solenoid valve 32 is opened, and the second cylinder slide unit 4 drives spring probe array 9 to move downward by connecting plate 5, makes bullet
Spring probe array 9 is reached at first group of resistance-strain blade unit to be detected；Each group spring i.e. in the spring probe array 9
Four spring probe branch correspondences in probe are contacted with four measurement points of a corresponding resistance strain gage.
Step 3, operation computer 35, computer 35 passes through desk type digital universal meter 37 and foil gauge resistive voltage is detected
Circuit 40, measures to the resistance and voltage of each resistance strain gage in first group of resistance-strain blade unit, desktop digital ten thousand
Measurement result is exported to computer 35 with table 37, measurement result is compared by computer 35 with examination criteria, and records ratio
Relatively result；When being embodied as, the examination criteria is GB/T 13992-92《Strain ga(u)ge》Standard.
After the completion of step 4, comparative result record, first, data collecting plate card 36 is by exporting 38 output signal of amplification board
The second air-operated solenoid valve 32 is driven to commutate, the second cylinder slide unit 4 drives spring probe array 9 to move upwards by connecting plate 5, makes
Spring probe array 9 leaves to be detected first group resistance-strain blade unit；Then, data collecting plate card 36 is amplified by exporting
38 output signal of plate drives Y-axis mobile motor 15, Y-axis mobile motor 15 to drive vacuum adsorption table 13 to move, Y-axis moving grating chi
Displacement is fed back to computer 35 by data collecting plate card 36 by 10, until moving the width of one group of resistance-strain blade unit
Degree is apart from rear stopping；So, spring probe array 9 just reaches the surface of next group of resistance-strain blade unit to be detected；
Step 5, data collecting plate card 36 drive the second air-operated solenoid valve 32 again by 38 output signal of output amplification board
Commutation, the second cylinder slide unit 4 drive spring probe array 9 to move downward by connecting plate 5, and reaching spring probe array 9 will
At next group of resistance-strain blade unit of detection；
Repeat step three is to step 5, until the detection of all of resistance-strain blade unit is completed.
The above, is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (7)
1. a kind of big array resistors formula foil gauge automatic detection device, it is characterised in that：Including frame, positioning fixed mechanism, inspection
Mechanism and computer (35) is surveyed, data collecting plate card (36) and desk type digital universal meter (37) on computer (35), is connected to,
The signal output of data collecting plate card (36) is terminated with exporting amplification board (38)；
The frame includes upper and lower spaced upper plate (1) and lower shoe (17), and is supported on upper plate (1) and goes to the bottom
Pillar between plate (17)；
The positioning fixed mechanism includes two-dimensional movement platform (11) at the top of lower shoe (17), installed in two-dimensional movement
Vacuum adsorption table (13) at the top of platform (11) and for the vac sorb loop to vacuum adsorption table (13) evacuation, described two
Dimension mobile platform (11) includes the movement of X-axis mobile motor (16), Y-axis mobile motor (15), X-axis moving grating chi (12) and Y-axis
Grating scale (10), described vacuum adsorption table (13) include absorptive table lower cover (13-1) and the absorptive table for mutually fastening and being fixedly connected
Upper lid (13-2), it is vacuum chamber to cover (13-2) on absorptive table lower cover (13-1) and absorptive table and fasten the space for being formed, described
Adsorption hole (13-3) is provided with the upper surface for covering (13-2) on absorptive table；The vac sorb loop is included by vacuum tube
(31) vacuum pump (30), vacuum filter (29), vacuum regulating valve (28) and the vacuum solenoid (25) being sequentially connected, it is described
Vacuum tube (31) is connected with the vacuum chamber, is connected with vacuum meter (27) on vacuum regulating valve (28)；The X-axis is moved
Dynamic grating scale (12) and Y-axis moving grating chi (10) are connected with the signal input part of data collecting plate card (36), and the X-axis is moved
Galvanic electricity machine (16), Y-axis mobile motor (15) and vacuum solenoid (25) are connected with the outfan of output amplification board (38)；
The testing agency includes being horizontally set on the first cylinder slide unit (2) at the top of upper plate (1), and the first cylinder slide unit
(2) cylinder slide unit installing plate (3) and the second cylinder slide unit (4) being connected with cylinder slide unit installing plate (3) of slide unit connection, with
And pneumatic circuit；Probe box (6), the probe box are connected with by connecting plate (5) on the slide unit of the second cylinder slide unit (4)
(6) detection circuit board (8) is internally provided with, multichannel foil gauge resistive voltage detection electricity on detection circuit board (8), is provided with
Road (40) and with multichannel foil gauge resistive voltage detect circuit (40) signal acquisition terminal be connected and pass downwards probe box (6)
Spring probe array (9)；The pneumatic circuit includes air pump (20), the air filter being sequentially connected by trachea (24)
(21), air relief valve (22) and pressure gauge (23), described first cylinder slide unit (2) pass through the first air-operated solenoid valve (26) and trachea
(24) connect, described second cylinder slide unit (4) are connected with trachea (24) by the second air-operated solenoid valve (32)；Described first is pneumatic
Electromagnetic valve (26) and the second air-operated solenoid valve (32) are connected with the outfan of output amplification board (38), multichannel strain sheet resistance electricity
The control signal input of pressure detection circuit (40) is connected with the signal output part of data collecting plate card (36), multichannel foil gauge
The signal output part of resistive voltage detection circuit (40) passes through signal output interface (39) and desk type digital universal meter (37) phase
Connect；
The pillar is made up of many aluminium section bars for connecting into frame structure (19), and aluminium section bar (19) are led to aluminium section bar (19)
Cross triangle connecting rack (18) to be fixedly connected, aluminium section bar (19) are fixedly connected by screw bolt and nut with upper plate (1), institute
State aluminium section bar (19) to be fixedly connected by bolt, nut and triangle connecting rack (18) with lower shoe (17)；
Cover on absorptive table lower cover (13-1) and absorptive table between (13-2) and be provided with sealing gasket (13-4), under the absorptive table
Lid (13-1), sealing gasket (13-4) are fixedly connected by absorptive table connecting bolt (13-5) with lid (13-2) on absorptive table, described
The side of absorptive table lower cover (13-1) is provided with screwed hole (13-6), and described vacuum tube (31) pass through pneumatic joint (33) and screw thread
Hole (13-6) connects.
2. according to a kind of big array resistors formula foil gauge automatic detection device described in claim 1, it is characterised in that：The suction
A plurality of level is provided with the upper surface for covering (13-2) on attached platform to groove and a plurality of vertically to groove, and a plurality of level is to recessed
Groove and a plurality of described vertically intersecting to groove define multiple projections (13-7), and the quantity of adsorption hole (13-3) is many
Individual, multiple adsorption hole (13-3) is distributed on multiple projections (13-7)；Being shaped as (13-2) upper surface is covered on the absorptive table
Rectangle, is carved with reference location line (13-8) on four feet for covering (13-2) upper surface on the absorptive table.
3. according to a kind of big array resistors formula foil gauge automatic detection device described in claim 1, it is characterised in that：Described
One cylinder slide unit (2) is Rodless cylinder slide unit, and the quantity of detection circuit board (8) is two pieces, two pieces of detection circuit boards
(8) it is fixedly connected with screw (34) by copper stud (7) one on the other, spring probe array (9) are electric with the detection on top
Road plate (8) is welded and passes probe box (6) still further below after penetrating the detection circuit board (8) of bottom.
4. according to a kind of big array resistors formula foil gauge automatic detection device described in claim 1, it is characterised in that：The bullet
Spring probe array (9) is made up of multigroup spring probe group, and every group of spring probe group is by for should with resistance in measurement
Become four spring probe compositions of four measurement point correspondence contacts of piece；Wrap per road foil gauge resistive voltage detection circuit (40)
Chip S1, chip S2 and chip S3 that model is ADG84 is included, signal output interface (39) are connecing with four pins
Line end mouth P1；1st pin of the chip S1 is connected with the outfan VCC of power supply, and is grounded by electric capacity C1, the core
4th pin of piece S1 and the connection of the 8th pin and the first control signal input for foil gauge resistive voltage detection circuit (40)
IN1, the 5th pin of the chip S1 are connected with first measurement point of the resistance strain gage, the 6th pin of the chip S1
Ground connection, the 7th pin of the chip S1 are connected with second measurement point of the resistance strain gage；Draw the 1st of the chip S2
Foot is connected with the outfan VCC of power supply, and is grounded by electric capacity C2, and the 4th pin of the chip S2 and the 8th pin connect
And the second control signal input IN2 of circuit (40), the 5th pin of the chip S2 and institute is detected for foil gauge resistive voltage
State the 3rd measurement point connection of resistance strain gage, the 6th pin ground connection of the chip S2, the 7th pin of the chip S2 with
4th measurement point connection of the resistance strain gage；1st pin of the chip S3 and the outfan VCC phases of power supply
Connect, and be grounded by electric capacity C3, the 4th pin of the chip S3 and the 8th pin connect and electric for the detection of foil gauge resistive voltage
3rd control signal input IN3 on road (40), the 5th pin of the chip S3 are measured with first of the resistance strain gage
Point connection, the 6th pin ground connection of the chip S3, the 7th pin of the chip S3 are surveyed with second of the resistance strain gage
Amount point connection；First control signal input IN1 of foil gauge resistive voltage detection circuit (40), the second control signal are defeated
Enter to hold IN2 and the 3rd control signal input IN3 to be connected with the signal output part of data collecting plate card (36), the chip S1
The 3rd pin be the first signal output part D1 that foil gauge resistive voltage detects circuit (40), the 9th pin of the chip S1 is
The secondary signal outfan D2 of foil gauge resistive voltage detection circuit (40), the 3rd pin and the chip S3 of the chip S2
The 3rd pin connect and for foil gauge resistive voltage detect circuit (40) the 3rd signal output part D3, the 9th of the chip S2 the
9th pin of pin and the chip S3 connects and detects the 4th signal output part of circuit (40) for foil gauge resistive voltage
D4, draws with the 1st of the Wiring port P1 the per the first signal output part D1 on road foil gauge resistive voltage detection circuit (40)
Foot connects, the secondary signal outfan D2 per road foil gauge resistive voltage detection circuit (40) with the Wiring port P1 the
2 pins connect, the 3rd signal output part D3 per road foil gauge resistive voltage detection circuit (40) with the Wiring port P1
The connection of the 3rd pin, the 4th signal output part D4 per road foil gauge resistive voltage detection circuit (40) with the terminals
The 4th pin connection of mouth P1.
5. according to a kind of big array resistors formula foil gauge automatic detection device described in claim 4, it is characterised in that：Described
Formula digital multimeter (37) is 2000 type desk type digital universal meter (37) of Keithley, the 1st pin of the Wiring port P1 and institute
State 2000 type desk type digital universal meter (37) of Keithley INPUT HI interfaces connection, the 2nd pin of the Wiring port P1 with
The INPUT LO interfaces connection of 2000 type desk type digital universal meter (37) of the Keithley, the 3rd pin of the Wiring port P1
It is connected with the SENSE Ω 4WIRE HI interfaces of 2000 type desk type digital universal meter (37) of the Keithley, the Wiring port P1
The 4th pin be connected with the SENSE Ω 4WIRE LO interfaces of 2000 type desk type digital universal meter (37) of the Keithley.
6. according to a kind of big array resistors formula foil gauge automatic detection device described in claim 1, it is characterised in that：The number
According to the model NI PCI6509 of analog input card (36), model HSF16M of output amplification board (38).
7. a kind of side for carrying out big array resistors formula foil gauge automatic detection using automatic detection device as claimed in claim 1
Method, it is characterised in that the method is comprised the following steps：
After step one, operator are placed on big array resistors formula foil gauge diaphragm (14) in vacuum adsorption table (13) manually,
The input absorption fixed instruction on computer (35), and start vacuum pump (30), data collecting plate card (36) is amplified by exporting
Plate (38) output signal drives vacuum solenoid (25) to open, and vacuum pump (30) evacuation makes the vacuum intracavity produce negative pressure,
Big array resistors formula foil gauge diaphragm (14) is absorbed and fixed on absorptive table on the upper surface for covering (13-2)；
Step 2, on computer (35) input start detection instruction, first, data collecting plate card (36) by export amplification board
(38) output signal drives the first air-operated solenoid valve (26) to open, and the first cylinder slide unit (2) passes through cylinder slide unit installing plate (3) band
Dynamic second cylinder slide unit (4) and spring probe array (9) horizontal movement；Then, data collecting plate card (36) is amplified by exporting
Plate (38) output signal drives the second air-operated solenoid valve (32) to open, and the second cylinder slide unit (4) drives spring by connecting plate (5)
Probe array (9) is moved downward, and spring probe array (9) is reached at first group of resistance-strain blade unit to be detected；
Step 3, operation computer (35), computer (35) passes through desk type digital universal meter (37) and foil gauge resistive voltage is examined
Slowdown monitoring circuit (40), measures to the resistance and voltage of each resistance strain gage in first group of resistance-strain blade unit, desk-top number
Measurement result is exported by word circuit tester (37) gives computer (35), and measurement result is compared by computer (35) with examination criteria
Compared with, and record comparative result；
After the completion of step 4, comparative result record, first, data collecting plate card (36) is by exporting amplification board (38) output signal
Drive the second air-operated solenoid valve (32) commutate, the second cylinder slide unit (4) by connecting plate (5) drive spring probe array (9) to
Upper motion, makes spring probe array (9) leave to be detected first group resistance-strain blade unit；Then, data collecting plate card
(36) Y-axis mobile motor (15), Y-axis mobile motor (15) is driven to drive vac sorb by exporting amplification board (38) output signal
Platform (13) is mobile, and displacement is fed back to computer (35) by data collecting plate card (36) by Y-axis moving grating chi (10), directly
Stop after the width distance of one group of resistance-strain blade unit to moving；
Step 5, data collecting plate card (36) drive the second air-operated solenoid valve again by output amplification board (38) output signal
(32) commutate, the second cylinder slide unit (4) drives spring probe array (9) to move downward by connecting plate (5), makes spring probe battle array
Row (9) are reached at next group of resistance-strain blade unit to be detected；
Repeat step three is to step 5, until the detection of all of resistance-strain blade unit is completed.
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| CN107449351B (en) * | 2017-08-14 | 2023-08-11 | 陕西理工学院 | Strain gauge sorter and sorting method |
| CN107764884B (en) * | 2017-08-30 | 2021-06-15 | 成都安普利菲能源技术有限公司 | High-throughput electrochemical detection device and high-throughput electrochemical detection method |
| CN108918016B (en) * | 2018-05-04 | 2020-04-14 | 宁波宝工电器有限公司 | Air pump air pressure detection method |
| CN108872679A (en) * | 2018-07-12 | 2018-11-23 | 安徽诚意电气科技有限公司 | A kind of Intelligent voltage sensing device |
| CN114459676B (en) * | 2022-01-18 | 2023-05-05 | 同济大学 | Flexible electronic skin array performance detection system |
| CN114252000B (en) * | 2022-03-01 | 2022-05-27 | 北京京瀚禹电子工程技术有限公司 | Device and method for testing coplanarity and spacing of chip pins |
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| US4331035A (en) * | 1979-11-13 | 1982-05-25 | Gould Inc. | Geometric balance adjustment of thin film strain gage sensors |
| SU1647312A1 (en) * | 1989-03-30 | 1991-05-07 | В.П.Батурина, Л.А.Никольский, Е.В.Патокин и И«И. Удовенко | Device foe calibrating resistance strain gauges |
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