CN106950011A - A kind of pressure sensor test device - Google Patents
A kind of pressure sensor test device Download PDFInfo
- Publication number
- CN106950011A CN106950011A CN201710144120.2A CN201710144120A CN106950011A CN 106950011 A CN106950011 A CN 106950011A CN 201710144120 A CN201710144120 A CN 201710144120A CN 106950011 A CN106950011 A CN 106950011A
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- counterweight
- test device
- lifting platform
- lock block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 239000000523 sample Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 13
- 239000010931 gold Substances 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229960001866 silicon dioxide Drugs 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000000528 statistical test Methods 0.000 description 1
Classifications
-
- 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
Abstract
The present invention relates to a kind of pressure sensor test device, efficient, accurate, automatic test technical problem can not be realized by mainly solving the FPC pressure sensors of Current manual production.The present invention adds the technical scheme of electronic data processing by using machine tool, display in real time can be carried out to FPC pressure sensors test result and grade classification is carried out to product, realize quick, efficient, the accurate test of FPC pressure sensors, effectively increase the high degree of automation of test, the problem is preferably resolved, in the industrial production available for FPC pressure sensors.
Description
Technical field
The present invention relates to art of pressure sensors, it is related specifically to a kind of pen point pressure for computer entry device and passes
The test device of sensor.
Background technology
Pen point pressure sensor is mutually pasted together and constituted by FPC, PE conducting foam and white silica gel pad, because it can be with
The weight of pressure when writing is distinguished, so as to reflect real person's handwriting, along with preparation method is simple, cost is relatively low, therefore real
It is high with property.But because production is all artificial operation, it is difficult to ensure the uniformity of production process, cause the FPC pressure of output to pass
There is certain otherness in sensor so that the pressure value that pressure sensor is reflected is bigger than normal or less than normal.Therefore after manual production is complete
FPC pressure sensors, it is necessary to by together screen, just may be used.Current screening technique is mainly with the naked eye seen
The method examined realizes, less efficient and accurately can not be screened and classified.Therefore it provides one kind can rapidly and efficiently, precisely,
The pressure sensor test device and application method of high degree of automation just seem very necessary.
The content of the invention
The FPC pressure sensor uniformity that the present invention is produced for current manual is poor, it is impossible to carry out effective, accurate survey
Examination, the problem of to carry out grade separation to it, propose it is a kind of can rapidly and efficiently, precisely, the pressure of high degree of automation passes
Sensor test device.
To solve the above problems, the technical solution adopted by the present invention is as follows：
A kind of pressure sensor test device, described device includes base member case 6, the cant board 12 being fixed in base member case 6
With lower lock block guide rail 10, and the operation handle 1 being fixed on cant board 12, it is placed on lower lock block guide rail 10 and and operation handle
1 lower lock block 2 being connected, is fixed on the golden finger briquetting 11 of the lower section of lower lock block 2, additionally including being positioned over inside base member case 6
Voltage sample processing module 3, be fixed on the lifting platform 13 and display device 5 of the upper surface of base member case 6, be placed in the top of lifting platform 13
Counterweight baffle plate 7, counterweight groove 8 and pressure sensor standing groove 4；
The lower lock block 2 is placed on lower lock block guide rail 10 by two symmetrical round holes；
It is corresponding with the pressure sensor golden finger phase position of sensor standing groove 4 when the golden finger briquetting 11 is pushed；
There are two probes the lower section of pressure sensor standing groove 4, and for being contacted with sensor gold finger, the probe leads to
Cable is crossed with voltage sample processing module 3 to be connected；
The display device 5 is connected by cable with voltage sample processing module 3.
Further, the voltage acquisition processing module 3 includes process chip STM32F207, and the process chip includes
Adc data acquisition module.
Further, the display device 5 is LCD display.
Further, the lifting platform 13 middle milling sky is a groove, and place is engaged with counterweight baffle plate 7 for c-type structure, and with
The joint of counterweight baffle plate 7 is less than plane 5mm on the lifting platform.
Further, described one side of counterweight baffle plate 7 is C-shaped channel, and its upper surface is higher than plane on lifting platform 13.
Further, the counterweight groove 8 includes counterweight step and pillar；The pillar is used to support pressure sensing
Device.
Further, the counterweight shoulder height is less than the height 0.4MM after placement force sensor.
Further, the back timber column diameter is less than the surface diameter of pressure sensor, and height is slightly below counterweight step
Highly.
Further, the probe is plating Au probe, is hidden in lifting platform 13, is arranged by the way of dislocation.
As optimization, the pressure sensor standing groove 4 is caused with FPC pressure sensors shape and size uniformity so that pressure
Force snesor can carry out good positioning and place.FPC pressure sensors are an inverted soil font structure, by sensor, silicon
Rubber cushion, conducting foam and golden finger composition, the pressure sensor standing groove 4 are consistent with FPC pressure sensor shapes so that pressure
Force snesor can carry out good positioning and place.Pressure sensor be on FPC, by it is symmetrical, equidistant, etc. in the way of line width
Around two parallel circuits, the local circuit of pitch of the laps opens a window, and on coiling both sides, empty place carries out the special glue of point, then
Viscous conducting foam, larger relatively good of conducting foam selection resistance, conventional Standard resistance range is 10 5 powers, around the number of turns get over
Many, range ability is bigger.After after pasting, when strong pinch sensors, conducting foam and exposed copper cash are contacted,
On the circuit parallel equivalent to two and many resistance, pressure is bigger, and contact surface is also just big, and resistance it is more, so
The all-in resistance at golden finger two ends is just smaller, then is combined with precision resistance, and the electricity that processor can be recognized can just be changed out by being electrified
Pressure value.
The present invention also provides a kind of method of testing based on pressure sensor test device, it is characterised in that：Methods described
Including：
(1) move operation handle 1 toward back upper place, lift lower lock block 2, take a FPC pressure sensor, reverse side upward,
It is placed on sidewards in pressure sensor standing groove 4；
(2) after the completion of pressure sensor is placed, sensor medium position is fixed with hand, forward downward is moved under handle 1 makes
Briquetting 2 declines along lower lock block guide rail 10 drives golden finger briquetting 11 to push down FPC pressure sensor golden fingers, and lifting platform 13, which declines, to be made
Probe exposes and is in contact with FPC pressure sensor golden fingers；
(3) counterweight is positioned in counterweight groove 8 and pushes down FPC pressure sensors force side, make its pressure sensor stress, weight
Code is micro- heavy, just falls on the counterweight step on the both sides of counterweight groove 8, keeps level motionless；
(4) after the completion of counterweight is placed, pressure sensor stress produces voltage difference between golden finger and is transmitted back to voltage by probe
Acquisition processing module 3 carries out that signal is sent into STM32F207 processors after ADC conversions；
(5) corresponding data is analyzed and handled to voltage acquisition processing module 3, obtains the test result of the FPC pressure sensors
And corresponding grade, and in the display in real time of display device 5 and sort out；
(6) moving operation handle 1 toward back upper place lifts lower lock block 2, takes out counterweight and FPC pressure sensors, has tested
Into.
The present invention realizes and quick accurate test is carried out to the FPC pressure sensors manually produced, high degree of automation,
Test result can be carried out showing in real time and product being classified.
Therefore, beneficial effects of the present invention are as follows：
Effect one：By magnitude of voltage between voltage acquisition processing module intelligent acquisition sensor gold finger, product is provided automatically
Pressure testing results；
Effect two：Shown according to test gained pressure value carry out grade separation automatic to product and with different colors
Show；
Effect three：By the setting of sensor standing groove and counterweight standing groove, the uniformity of test is greatly improved；
Effect four：The testing efficiency and accuracy of FPC pressure sensors are improved, the automaticity of test is improved.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structure chart of the test device of the present invention.
Fig. 2 is the section plan of the test device of the present invention.
Fig. 3 is the test flow chart of the present invention.
Fig. 4 is the close-up schematic view of counterweight groove of the present invention.
Fig. 5 is the close-up schematic view of probe of the present invention.
Fig. 6 is the schematic diagram of FPC pressure sensors.
In Fig. 1, operation handle -1, lower lock block -2, voltage sample processing module -3, pressure sensor standing groove -4, display
Device -5, base member case -6, counterweight baffle plate -7, counterweight groove -8, lower lock block guide rail -10, golden finger briquetting -11, cant board -12 rise
Platform -13 drops
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of pressure sensor test device and application method, described device includes bottom
Seat-box 6, the cant board 12 and lower lock block guide rail 10 being fixed in base member case 6, and the operation handle being fixed on cant board 12
1, the lower lock block 2 for being placed on lower lock block guide rail 10 and being connected with operation handle 1 is fixed on the golden finger pressure of the lower section of lower lock block 2
Block 11, additionally including the voltage sample processing module 3 being positioned over inside base member case 6, is fixed on the lifting of the upper surface of base member case 6
Platform 13 and display device 5, are placed in counterweight baffle plate 7, counterweight groove 8 and the pressure sensor standing groove 4 of the top of lifting platform 13；
The lower lock block 2 is placed on lower lock block guide rail 10 by two symmetrical round holes；
It is relative with the pressure sensor golden finger position of pressure sensor standing groove 4 when the golden finger briquetting 11 is pushed
Should；
There are two probes below described golden finger one end of pressure sensor standing groove 4, when golden finger briquetting 11 is pushed, lifting
Platform 13 declines, and the probe exposes to be contacted with pressure sensor golden finger, and the voltage difference between detection pressure sensor golden finger is simultaneously
The ADC for being sent to voltage sample processing module 3 by cable summons device to court；
The display device 5 is connected by cable with voltage sample processing module 3, and voltage sample processing module 3 need to
The data display to be shown is in display device 5.
The voltage acquisition processing module 3 is aided with part using the STM32F207 process chips with adc data acquisition function
Peripheral circuit realizes that the voltage signal that the module sends into probe is sent into process chip STM32F207 after ADC is changed, obtained
Shown after to test result in display device 5, as shown in figure 3, testing process is as follows：
(1) opening device, is initialized to display device 5；
(2) ADC is initialized and parameter configuration；
(3) sampling analysis, statistical test number are carried out to magnitude of voltage；
(4) product is classified according to pressure sensor test result, grade A, grade B, the bad grade of grade C, NG；
(5) display device 5 shows voltage and quantity.
The display device 5 is LCD display.
The lifting platform 13 middle milling sky is conveniently taken pressure sensor for a groove, and it is c-type that place is engaged with counterweight baffle plate 7
Structure, and with the joint of counterweight baffle plate 7 less than plane 5mm on the lifting platform.
Described one side of counterweight baffle plate 7 is C-shaped channel, and its upper surface is higher than plane, the C-shaped channel and lifting platform on lifting platform 13
13C types are protruded and fastened.
As shown in figure 4, the counterweight groove 8 includes counterweight step and pillar；The pillar is used to support pressure sensing
Device.
The counterweight shoulder height is less than the height 0.4MM after placement force sensor, is passed to place pressure after counterweight
Sensor stress is thinning, counterweight step and pressure sensor is maintained at same plane, it is ensured that the level of counterweight is motionless.
The back timber column diameter is less than the surface diameter of pressure sensor, and height is slightly below the height of counterweight step, with this
Ensure stress in the middle of pressure sensor.
As shown in figure 5, the probe is plating Au probe, it is hidden in lifting platform 13, because probe is contacted more than golden finger
Face, is arranged by the way of dislocation, to ensure that contact is good.
As shown in fig. 6, FPC pressure sensors are an inverted soil font structure, by sensor, silicagel pad, conducting foam
With golden finger composition, the pressure sensor standing groove 4 is consistent with FPC pressure sensor shapes so that pressure sensor can be with
Good positioning is carried out to place.
The present embodiment also provides a kind of method of testing based on pressure sensor test device, and methods described includes：
(1) move operation handle 1 toward back upper place, lift lower lock block 2, take a FPC pressure sensor, reverse side upward,
It is placed on sidewards in pressure sensor standing groove 4；
(2) after the completion of sensor is placed, sensor medium position is fixed with hand, forward downward, which moves handle 1, makes lower lock block 2
Decline along lower lock block guide rail 10 and drive golden finger briquetting 11 to push down FPC pressure sensor golden fingers, lifting platform 13, which declines, makes probe
Expose and be in contact with FPC pressure sensor golden fingers；
(3) counterweight is positioned in counterweight groove 8 and pushes down FPC pressure sensors force side, make its pressure sensor stress, weight
Code is micro- heavy, just falls on the counterweight step on the both sides of counterweight groove 8, keeps level motionless；
(4) after the completion of counterweight is placed, pressure sensor stress produces voltage difference between golden finger and is transmitted back to voltage by probe
Acquisition processing module 3 carries out that signal is sent into STM32F207 processors after ADC conversions；
(5) corresponding data is analyzed and handled to voltage acquisition processing module 3, obtains the corresponding grade of the FPC pressure sensors,
And shown in real time in display device 5；
(6) moving operation handle 1 toward back upper place lifts lower lock block 2, takes out counterweight and FPC pressure sensors, has tested
Into.
Although illustrative embodiment of the invention is described above, in order to the technology of the art
Personnel are it will be appreciated that the present invention, but the present invention is not limited only to the scope of embodiment, to the common skill of the art
For art personnel, as long as long as various change is in the spirit and scope of the invention that appended claim is limited and is determined, one
The innovation and creation using present inventive concept are cut in the row of protection.
Claims (10)
1. a kind of pressure sensor test device, it is characterised in that：Described device includes base member case (6), is fixed on base member case (6)
On cant board (12) and lower lock block guide rail (10), and the operation handle (1) being fixed on cant board (12) is placed on lower lock block
The lower lock block (2) being connected on guide rail (10) and with operation handle (1), the golden finger briquetting being fixed on below lower lock block (2)
(11), the voltage sample processing module (3) internal also including being positioned over base member case (6), the lifting platform being fixed in base member case (6)
(13) the counterweight baffle plate (7), counterweight groove (8), pressure sensor for and display device (5), being placed in lifting platform (13) upper surface are placed
Groove (4)；
The lower lock block (2) is placed on lower lock block guide rail (10) by two symmetrical round holes；
It is relative with pressure sensor standing groove (4) pressure sensor golden finger position when the golden finger briquetting (11) pushes
Should；
There are two probes below the pressure sensor standing groove (4), for being contacted with sensor gold finger, the probe passes through
Cable is connected with voltage sample processing module (3)；
The display device (5) is connected by cable with voltage sample processing module (3).
2. pressure sensor test device according to claim 1, it is characterised in that：The voltage acquisition processing module
(3) STM32F207 process chips are included；The STM32F207 process chips include adc data acquisition module.
3. pressure sensor test device according to claim 1, it is characterised in that：The display device (5) is aobvious for LCD
Display screen.
4. pressure sensor test device according to claim 1, it is characterised in that：It is one in the middle of the lifting platform (13)
Groove；Place is engaged with counterweight baffle plate (7) for c-type structure；And with counterweight baffle plate (7) joint less than plane on the lifting platform
5mm。
5. pressure sensor test device according to claim 1, it is characterised in that：Counterweight baffle plate (7) upper surface
It is C-shaped channel close to counterweight groove (8) side higher than plane on lifting platform (13).
6. pressure sensor test device according to claim 1, it is characterised in that：The counterweight groove (8) includes counterweight
Step and pillar, the pillar are used to support pressure sensor.
7. pressure sensor test device according to claim 6, it is characterised in that：The counterweight shoulder height is less than pressure
Force snesor is positioned over 0.4mm after the pressure sensor FPC standing grooves.
8. pressure sensor test device according to claim 6, it is characterised in that：The pillar column diameter is less than pressure
The surface diameter of force snesor, highly less than counterweight shoulder height.
9. pressure sensor test device according to claim 1, it is characterised in that：The probe is the plating of Heterogeneous Permutation
Au probe, is hidden in the lifting platform (13), and the lifting platform (13) drives lower lock block to push by handle moved beneath facing forward
When moved downward relative to the probe, probe is exposed the lifting platform (13).
10. pressure sensor test device according to claim 1, it is characterised in that：The pressure sensor standing groove
(4) caused with FPC pressure sensors shape and size uniformity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710144120.2A CN106950011B (en) | 2017-03-13 | 2017-03-13 | A kind of pressure sensor test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710144120.2A CN106950011B (en) | 2017-03-13 | 2017-03-13 | A kind of pressure sensor test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106950011A true CN106950011A (en) | 2017-07-14 |
| CN106950011B CN106950011B (en) | 2019-02-01 |
Family
ID=59467430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710144120.2A Expired - Fee Related CN106950011B (en) | 2017-03-13 | 2017-03-13 | A kind of pressure sensor test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106950011B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664556A (en) * | 2017-09-27 | 2018-02-06 | 铜陵海源超微粉体有限公司 | A kind of test device of pressure sensor temperature characteristic |
| CN109916554A (en) * | 2019-02-22 | 2019-06-21 | 武汉飞帛丝科技有限公司 | A kind of hand-held pressure sensing performance detection apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006128475A1 (en) * | 2005-05-27 | 2006-12-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and device for testing or calibrating a housed pressure sensor |
| CN202229879U (en) * | 2011-07-18 | 2012-05-23 | 上海芯哲微电子科技有限公司 | Pressure transducer detecting apparatus |
| CN105181240A (en) * | 2015-07-15 | 2015-12-23 | 苏州高新区世纪福科技有限公司 | Touch screen pressure sensor testing device with automatic calibration function and self-calibration method |
| CN205378345U (en) * | 2016-02-04 | 2016-07-06 | 上海文襄汽车传感器有限公司 | FPC suitable for pressure sensor |
-
2017
- 2017-03-13 CN CN201710144120.2A patent/CN106950011B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006128475A1 (en) * | 2005-05-27 | 2006-12-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and device for testing or calibrating a housed pressure sensor |
| CN202229879U (en) * | 2011-07-18 | 2012-05-23 | 上海芯哲微电子科技有限公司 | Pressure transducer detecting apparatus |
| CN105181240A (en) * | 2015-07-15 | 2015-12-23 | 苏州高新区世纪福科技有限公司 | Touch screen pressure sensor testing device with automatic calibration function and self-calibration method |
| CN205378345U (en) * | 2016-02-04 | 2016-07-06 | 上海文襄汽车传感器有限公司 | FPC suitable for pressure sensor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664556A (en) * | 2017-09-27 | 2018-02-06 | 铜陵海源超微粉体有限公司 | A kind of test device of pressure sensor temperature characteristic |
| CN107664556B (en) * | 2017-09-27 | 2019-12-31 | 安徽格太信控科技有限公司 | Testing device for temperature characteristic of pressure sensor |
| CN109916554A (en) * | 2019-02-22 | 2019-06-21 | 武汉飞帛丝科技有限公司 | A kind of hand-held pressure sensing performance detection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106950011B (en) | 2019-02-01 |
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Effective date of registration: 20181217 Address after: 318050 Room B-815, 699 Yin'an Street, Lubei Street, Luqiao District, Taizhou City, Zhejiang Province Applicant after: TAIZHOU XURI ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: Room 5, No. 10-1 Xinjingzhong Road, Tang City, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant before: ZHANGJIAGANG OUWEI AUTOMATION RESEARCH AND DEVELOPMENT Co.,Ltd. |
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Denomination of invention: A pressure sensor testing device Effective date of registration: 20211015 Granted publication date: 20190201 Pledgee: Zhejiang Luqiao Taizhou rural commercial bank Limited by Share Ltd. Pledgor: TAIZHOU XURI ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2021330001913 |
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Granted publication date: 20190201 |