CN108362565A - A kind of batch of touch chip presses compression testing device - Google Patents
A kind of batch of touch chip presses compression testing device Download PDFInfo
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- CN108362565A CN108362565A CN201810496802.4A CN201810496802A CN108362565A CN 108362565 A CN108362565 A CN 108362565A CN 201810496802 A CN201810496802 A CN 201810496802A CN 108362565 A CN108362565 A CN 108362565A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention provides a kind of batches of touch chip to press compression testing device,Including device body,Described device ontology includes pedestal,The pedestal is divided into alignment layers,Adsorption layer and control layer,The alignment layers,The adsorption layer and the control layer are from top to bottom arranged in order,Several locating slots are equipped in the alignment layers,Present invention touch chip to be measured is firmly adsorbed in locating slot by vacuum pump,Imitative finger is pressed to chip top to be measured by air cylinder driven piston rod,The finger for simulating people carries out push action,During the test,When the driving parameter of cylinder changes,It is constant to remain to the power for keeping imitative finger to be applied to chip surface to be measured,To not influence the accuracy of test result,Simultaneously the case where causing to damage chip to be measured by pressure since the pressing force being subject to is excessive is avoided to occur,Debugging is simple,Consistency is good,Improve testing efficiency,Greatly facilitate batch testing,Convenient for volume production and maintenance.
Description
Technical field
The present invention relates to chip testing devices technical field, more particularly to the batch pressing test dress of a kind of touch chip
It sets.
Background technology
With the rapid development for the biological identification technology for being identified as representing with touch-control, electronic equipment is nearly all equipped with touch-control knowledge
Other function generally realizes that touch-control identifies using condenser type or resistance-type.It can be to touch-control core during the volume production of touch chip
Piece carries out pressing test, and existing by compression testing device includes cylinder activation bar, adjusting knob, spring and Rubber end, i.e., existing
Be single spring structure by compression testing device, when carrying out pressing test, cylinder activation bar passes through spring and pushes Rubber end court
To chip to be measured movement and chip is pressed, so as to complete pressing test.
Existing compression testing device of pressing is during pressing, test pressure and cylinder system that Rubber end applies to chip to be measured
The factors such as the air pressure size of lever, cylinder stroke are related, if any of the above-described factor changes, can test pressure be caused to change
Become so that test result is inaccurate, in some instances it may even be possible to damage chip by pressure since test pressure is excessive.
Can also include multiple by compression testing device meanwhile in order to disposably carry out pressing test to multiple touch chips
Test position.The adjusting knob for adjusting each spring is needed to carry out the decrement of adjustment spring before being tested, to adjust pressing
The test pressure of Rubber end when chip to be tested.However, when adjusting the test pressure of one of test position, it can be to other surveys
The test pressure of examination position impacts, and the test pressure for being likely to occur one of test position is excessive damages core to be tested by pressure
Piece, and test pressures the case where test request is not achieved of other test positions, consistency is poor, and debugging process is complicated, and time-consuming,
Batch testing efficiency is low, is not easy to volume production and maintenance.
Invention content
(1) the technical issues of solving
To solve the above-mentioned problems, the present invention provides a kind of batches of touch chip to press compression testing device, and to be measured touches
Control chip is firmly adsorbed in locating slot by vacuum pump, and imitative finger is pressed to chip top to be measured by air cylinder driven piston rod,
The finger for simulating people carries out push action, during the test, when the driving parameter of cylinder changes, remains to keep imitative hand
Refer to be applied to chip surface to be measured power it is constant, to not influencing the accuracy of test result, while avoiding due to being subject to
Pressing force is excessive and the case where causing to damage chip to be measured by pressure occurs, and debugging is simple, and consistency is good, improves testing efficiency, greatly
Facilitate batch testing, be convenient for volume production and maintenance.
(2) technical solution
A kind of batch of touch chip presses compression testing device, including device body, and described device ontology includes pedestal, described
Pedestal is divided into alignment layers, adsorption layer and control layer, and the alignment layers, the adsorption layer and the control layer are from top to bottom arranged successively
Row, the alignment layers are interior to be equipped with several locating slots, and the depth of the locating slot is suitable with the thickness of chip to be measured, the adsorption layer
If bottom be equipped with dry vacuum air pump, the quantity of the vacuum pump and position are corresponding with the locating slot, the vacuum pump
Vacuum tube is connected through the top of the adsorption layer and with the locating slot, and control module and button are equipped in the control layer
Module, the front of the pedestal it is placed in the middle be equipped with liquid crystal display, key area is equipped with below the liquid crystal display, it is described to press
Key range include power key, pressure setting key and operation key, the power key, the pressure setting key and the operation key with
The key-press module is electrically connected, and the back side of the pedestal is equipped with power cord, and the both sides of each locating slot are equipped with a pair of the
One limited block, a pair of first limited block respectively symmetrically positioned at the both sides of the locating slot, in outermost described first
The outside of limited block is equipped with support plate, is connected at the top of the bottom of the support plate and the pedestal, the top of the support plate
Portion connects the bottom of top plate, and the top of the top plate is equipped with several cylinders, the quantity of the cylinder and position with the positioning
Slot is corresponding, and the piston rod of each cylinder runs through the top plate and stretches out in the bottom of the top plate, each work
The end of stopper rod connects pressing mechanism, and the pressing mechanism includes the first pressing plate, the top of first pressing plate it is placed in the middle with institute
It states piston rod to be connected, the two bottom sides of first pressing plate are symmetrically equipped with the first spring and second spring, first bullet
Spring is identical with the coefficient of elasticity of the second spring, and one end of first spring and the second spring is pressed with described first
The bottom of plate is connected, and the other end of first spring and the second spring is all connected with the top of the second pressing plate, and described
The perspective plane of two pressing plates and first pressing plate coincides, the bottom of second pressing plate it is placed in the middle be equipped with pressure pipe, the pressure pipe
Outer diameter it is identical as the spacing of the first limited block described in the adjacent pair of underface, hollow cavity is equipped in the pressure pipe, it is described
It is equipped with third spring in hollow cavity, the coefficient of elasticity of the third spring is less than first spring and the second spring
Coefficient of elasticity, one end of the third spring are connected with the bottom of second pressing plate, and the other end of the third spring connects
Imitative finger is connect, the bottom inside of the imitative finger is equipped with pressure sensor, and the bottom of the pressure pipe is equipped with gap, the gap
Width is of same size with the imitative finger, and the end face of the gap is equipped with rubber washer, and the imitative finger passes through the rubber
Washer is connected with the bottom of the pressure pipe, and the outside of the pressure pipe is equipped with the second limited block, second limited block with it is described
The sum of height of first limited block is equal to the height of the pressure pipe, and the pressure sensor connects the control with the key-press module
The output end of the input terminal of molding block, the control module is separately connected the vacuum pump, the cylinder and the liquid crystal display
Screen, the power cord connect external power supply, and the external power supply provides operating voltage for described device ontology.
Further, the vacuum pump selects minipump.
Further, the pressure sensor selects deposition tube resistance type pressure sensor.
Further, the cylinder selects blow cylinder.
Further, the key-press module selects keyboard drive chip ZLG7289.
Further, the control module selects 16 microcontroller MC95S12DJ128.
(3) advantageous effect
The present invention provides a kind of batches of touch chip to press compression testing device, and batch chip to be measured is put into alignment layers
In locating slot, the vacuum pump in adsorption layer generates vacuum adsorption force, and chip to be measured is firmly adsorbed on positioning by vacuum tube
In slot, to be moved in pressing test process chips, it ensure that the accuracy of test, set by key area
Test pressure value, control module control air cylinder driven piston rod and push pressing mechanism by the test pressure value of setting, and imitative finger is pressed
It is pressed in the surface of chip to be measured, the finger for simulating people carries out push action, and the pressure sensor of imitative finger bottom inside is supervised in real time
Survey actual pressure value, liquid crystal display synchronizes display to setup pressure value and actual pressure value, ensure that measuring accuracy and
The safety of test, when the practical pressing force that the cylinder of one of test position applies is less than or equal to setup pressure value, the
Three springs are compressed and are moved towards chip to be measured with imitative finger always, until imitative finger act on chip surface to be measured by
Pressure is equal to the pressure value of setting, when the practical pressing force that the cylinder of one of test position applies is more than setup pressure value,
Since the first limited block and the second limited block mutually support, the decrement of third spring is fixed, and is more than preset pressing force by the
One spring and second spring absorb jointly, so that the pressing force that imitative finger acts on chip surface to be measured is equal to the pressure set
Force value, i.e., during the test, when the driving parameter of cylinder changes, imitative finger, which remains, is applied to chip list to be measured
The power in face is constant, to not influencing the accuracy of test result, while avoiding and causes to press since the pressing force being subject to is excessive
The case where bad chip to be measured, occurs, and consistency is good, and without adjusting the adjusting knob of each spring before test to adjust
The decrement of spring, debugging is simple, takes less, improves the efficiency and accuracy of batch testing, greatly facilitates batch and surveys
Examination convenient for volume production and safeguards that its is simple in sturcture, ingenious in design, and system power dissipation is low, and accuracy of detection is high, fast response time, stability
And good reliability, there is good practicability and scalability, can be widely applied to other occasions of chip batch pressing test.
Description of the drawings
Fig. 1 is the structural schematic diagram that a kind of batch of touch chip according to the present invention presses compression testing device.
Fig. 2 is a kind of internal structure signal of the batch of touch chip according to the present invention by the pedestal of compression testing device
Figure.
Fig. 3 is that a kind of batch of touch chip according to the present invention is more than setting by the practical pressing force of compression testing device
The scene of pressure value.
Fig. 4 is the System Working Principle figure that a kind of batch of touch chip according to the present invention presses compression testing device.
Specific implementation mode
Embodiment according to the present invention is described in further details below in conjunction with the accompanying drawings.
In conjunction with Fig. 1~Fig. 4, a kind of batch of touch chip presses compression testing device, including device body, device body include
Pedestal 1, pedestal 1 divide for alignment layers 2, adsorption layer 3 and control layer 4, and alignment layers 2, adsorption layer 3 and control layer 4 are from top to bottom successively
Arrangement, alignment layers 2 are interior to be equipped with several locating slots 5, and the depth of locating slot 5 is suitable with the thickness of chip to be measured, the bottom of adsorption layer 3
If equipped with dry vacuum air pump 6, the quantity of vacuum pump 6 and position are corresponding with locating slot 5, and the vacuum tube 7 of vacuum pump 6 is through absorption
The top of layer 3 is simultaneously connected with locating slot 5, and control module 8 and key-press module 9 are equipped in control layer 4, and the front of pedestal 1 is placed in the middle
Be equipped with liquid crystal display 25, the lower section of liquid crystal display 25 is equipped with key area, and key area includes power key 26, pressure setting
Key 27 and operation key 28, power key 26, pressure setting key 27 and operation key 28 are electrically connected with key-press module 9, the back of the body of pedestal 1
Face is equipped with power cord, the both sides of each locating slot 5 are equipped with a pair of first limited block 10, and a pair of first limited block 10 is respectively symmetrically
Positioned at the both sides of locating slot 5, support plate 11, the bottom and bottom of support plate 11 are equipped in the outside of outermost first limited block 10
The top of seat 1 is connected, and the bottom of the top connection top plate 12 of support plate 11, the top of top plate 12 is equipped with several cylinders 13, gas
The quantity of cylinder 13 and position are corresponding with locating slot 5, and the piston rod 14 of each cylinder 13 runs through top plate 12 and stretches out in top
The end of the bottom of plate 12, each piston rod 14 connects pressing mechanism, and pressing mechanism includes the first pressing plate 15, the first pressing plate 15
Top is placed in the middle to be connected with piston rod 14, and the two bottom sides of the first pressing plate 15 are symmetrically equipped with the first spring 16 and second spring
17, the first spring 16 is identical with the coefficient of elasticity of second spring 17, and one end of the first spring 16 and second spring 17 is with first
The bottom of pressing plate 15 is connected, and the other end of the first spring 16 and second spring 17 is all connected with the top of the second pressing plate 18, and second
Pressing plate 18 and the perspective plane of the first pressing plate 15 coincide, the bottom of the second pressing plate 18 it is placed in the middle be equipped with pressure pipe 19, pressure pipe 19 it is outer
Diameter is identical as the spacing of the first limited block of underface adjacent pair 10, and hollow cavity is equipped in pressure pipe 19, is set in hollow cavity
There are third spring 20, the coefficient of elasticity of third spring 20 to be less than the coefficient of elasticity of the first spring 16 and second spring 17, third bullet
One end of spring 20 is connected with the bottom of the second pressing plate 18, and finger 21 is imitated in the other end connection of third spring 20, imitates finger 21
Bottom inside is equipped with pressure sensor 22, and the bottom of pressure pipe 19 is equipped with gap, and the width of gap is of same size with imitative finger 21,
The end face of gap is equipped with rubber washer 23, and imitative finger 21 is connected by rubber washer 23 with the bottom of pressure pipe 19, pressure pipe 19
Outside is equipped with the second limited block 24, and the sum of height of the second limited block 24 and the first limited block 10 is equal to the height of pressure pipe 19, presses
The input terminal of 9 link control module 8 of force snesor 22 and key-press module, the output end of control module 8 be separately connected vacuum pump 6,
Cylinder 13 and liquid crystal display 25, power cord connect external power supply, and external power supply provides operating voltage for device body.
Chip to be measured is put into the locating slot 5 of alignment layers 2, connection power cord is pressed power key 26, made to external power supply
Device body is in running order.Pressure setting key 27 is applied to chip surface to be measured for setting cylinder 13 by imitative finger 21
Pressing force, 25 simultaneous display setup pressure value of liquid crystal display.Setting finishes, and presses operation key 28, device body is to be measured
Chip carries out batch pressing test.Power key 26, pressure setting key 27 and operation key 28 are electrically connected with key-press module 9, are pressed
It is to have can simultaneously driving for up to for SPI serial line interface functions that key module 9, which selects keyboard drive chip ZLG7289, ZLG7289,
The intelligent display driving chip of 8*8 keyboards or 64 independent LED, monolithic can be completed display, keyboard interface repertoire, adopt
It is communicated in serial fashion with control module 8, data are sent into chip from DIO feet, and are synchronized by CLK feet, when CS foot signals become low
After level, the data on DIO feet are written into the buffer register of ZLG7289 in the rising edge of CLK feet.Entire circuit is without addition
Latch and driver, little power consumption, and in Software for Design static status display extension core is eliminated without writing display translator
The time of control module 8 is greatly saved in piece.
Device body enters working condition, and the vacuum pump 6 in adsorption layer 3 works, and can quickly be existed by vacuum tube 7 very much
Negative pressure of vacuum is formed on the bottom of locating slot 5, to which chip to be measured to be firmly adsorbed in locating slot 5, avoids and is surveyed in pressing
Chip to be measured moves during examination, ensure that the accuracy of test.Vacuum pump 6 selects minipump, has small
Ingeniously, oil-free environmental protection, low noise, non-maintaining, the advantages that can operating for continuous 24 hours.
Control module 8 controls cylinder 13 and pushes pressing mechanism by the pressure value driving piston rod 14 of setting so that imitative finger
On the surface of chip to be measured, the finger to simulate people carries out push action to chip to be measured for 21 pressings.21 bottom inside of imitative finger
Pressure sensor 22 monitor actual pressure value in real time.Cylinder 13 selects blow cylinder, its main feature is that impact force is strong, speed
Soon, air consumption is small, meets the occasion having higher requirements to impact force.Pressure sensor 22 selects deposition tube resistance type pressure to pass
Sensor is to make thin metal plate in sheet surface formation semiconductor strain pressure by pressure by generate Piezoelectric Impedance effect, to
The variation of impedance is set to be converted into electric signal.Liquid crystal display 25 synchronizes display to actual pressure value, ensure that measuring accuracy
And the safety of test.
When the practical pressing force that the cylinder 13 of one of test position applies is less than or equal to setup pressure value, finger is imitated
21 are in contact with chip to be measured first, imitate reaction force of the finger 21 by chip to be measured so that and third spring 20 is first compressed,
And the first spring 16 and second spring 17 are all higher than the coefficient of elasticity of third spring 20 due to coefficient of elasticity, will not be pressed
Contracting.Third spring 20 is compressed and is moved towards chip to be measured with imitative finger 21 always, until imitative finger 21 act on it is to be measured
The pressing force of chip surface is equal to the pressure value of setting.
When the practical pressing force that the cylinder 13 of one of test position applies is more than setup pressure value, finger 21 is imitated completely
Pressing mutually supports effect, third spring 20 on the surface of chip to be measured, due to the first limited block 10 and the second limited block 24
It will not continue to be compressed, i.e., the decrement of third spring 20 is to fix, and cylinder 13 drives piston rod 14 to continue to push pressing machine
Structure, the second pressing plate 18 are pressed against the second limited block 24 and can not move down again above, and the first pressing plate 15 presses the first spring 16
It is more than that preset pressing force is absorbed jointly by the first spring 16 and second spring 17, so that imitative finger with second spring 17
21 pressing forces for acting on chip surface to be measured are equal to the pressure value of setting.I.e. during the test, when one of test position
The driving parameter of cylinder 13 when changing, imitative finger 21 remains that the power for being applied to chip surface to be measured is constant, to
The accuracy of test result is not influenced, while avoiding the case where causing to damage chip to be measured by pressure since the pressing force being subject to is excessive
Occur, consistency is good, improves the efficiency and accuracy of batch testing, greatly facilitates batch testing, is convenient for volume production and dimension
It is simple in structure to protect its.And the adjusting knob without adjusting each spring before test comes the decrement of adjustment spring, debugging
Simply, it takes few.
Control module 8 handles the input signal of pressure sensor 22 and key-press module 9, output control signal difference
Control vacuum pump 6, cylinder 13 and liquid crystal display 25 work.In order to simplify circuit, cost is reduced, the system later stage is improved
Scalability, control module 8 select the RAM and 2KB of 16 microcontrollers MC95S12DJ128, Flash, 8KB of built-in 128KB
EEPROM, have 5V input and driving capability, CPU working frequencies can reach 50MHz.The independent number I/O interfaces in 29 tunnels, 20
Road band interrupts and the digital I/O interfaces of arousal function, 10 A/D converters in 28 channels, and the input capture with 8 channels/
Output is compared, and also has 8 programmable channels PWM.With 2 serial asynchronous communication interface SCI, 2 synchronous serial peripheral hardwares connect
Mouth SPI, I2C buses and CAN function modules etc. meet design requirement.
The present invention provides a kind of batches of touch chip to press compression testing device, and batch chip to be measured is put into alignment layers
In locating slot, the vacuum pump in adsorption layer generates vacuum adsorption force, and chip to be measured is firmly adsorbed on positioning by vacuum tube
In slot, to be moved in pressing test process chips, it ensure that the accuracy of test, set by key area
Test pressure value, control module control air cylinder driven piston rod and push pressing mechanism by the test pressure value of setting, and imitative finger is pressed
It is pressed in the surface of chip to be measured, the finger for simulating people carries out push action, and the pressure sensor of imitative finger bottom inside is supervised in real time
Survey actual pressure value, liquid crystal display synchronizes display to setup pressure value and actual pressure value, ensure that measuring accuracy and
The safety of test, when the practical pressing force that the cylinder of one of test position applies is less than or equal to setup pressure value, the
Three springs are compressed and are moved towards chip to be measured with imitative finger always, until imitative finger act on chip surface to be measured by
Pressure is equal to the pressure value of setting, when the practical pressing force that the cylinder of one of test position applies is more than setup pressure value,
Since the first limited block and the second limited block mutually support, the decrement of third spring is fixed, and is more than preset pressing force by the
One spring and second spring absorb jointly, so that the pressing force that imitative finger acts on chip surface to be measured is equal to the pressure set
Force value, i.e., during the test, when the driving parameter of cylinder changes, imitative finger, which remains, is applied to chip list to be measured
The power in face is constant, to not influencing the accuracy of test result, while avoiding and causes to press since the pressing force being subject to is excessive
The case where bad chip to be measured, occurs, and consistency is good, and without adjusting the adjusting knob of each spring before test to adjust
The decrement of spring, debugging is simple, takes less, improves the efficiency and accuracy of batch testing, greatly facilitates batch and surveys
Examination convenient for volume production and safeguards that its is simple in sturcture, ingenious in design, and system power dissipation is low, and accuracy of detection is high, fast response time, stability
And good reliability, there is good practicability and scalability, can be widely applied to other occasions of chip batch pressing test.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and range is defined.Under the premise of not departing from design concept of the present invention, technology of the ordinary people in the field to the present invention
The all variations and modifications that scheme is made, should all drop into protection scope of the present invention, the claimed technology contents of the present invention,
It has all recorded in detail in the claims.
Claims (6)
1. a kind of batch of touch chip presses compression testing device, including device body, it is characterised in that:Described device ontology includes
Pedestal, the pedestal are divided into alignment layers, adsorption layer and control layer, and the alignment layers, the adsorption layer and the control layer are by upper
It being arranged in order under and, several locating slots is equipped in the alignment layers, the depth of the locating slot is suitable with the thickness of chip to be measured,
If the bottom of the adsorption layer is equipped with dry vacuum air pump, the quantity of the vacuum pump and position are corresponding with the locating slot, institute
The vacuum tube of vacuum pump is stated through the top of the adsorption layer and is connected with the locating slot, control is equipped in the control layer
Module and key-press module, the front of the pedestal it is placed in the middle be equipped with liquid crystal display, be equipped with button below the liquid crystal display
Region, the key area include power key, pressure setting key and operation key, the power key, the pressure setting key and institute
Operation key to be stated to be electrically connected with the key-press module, the back side of the pedestal is equipped with power cord, and the two of each locating slot
Side is equipped with a pair of first limited block, a pair of first limited block respectively symmetrically positioned at the both sides of the locating slot, in outermost
The outside of first limited block of side is equipped with support plate, is connected at the top of the bottom of the support plate and the pedestal, institute
The bottom of the top connection top plate of support plate is stated, the top of the top plate is equipped with several cylinders, the quantity of the cylinder and position
Corresponding with the locating slot, the piston rod of each cylinder runs through the top plate and stretches out in the bottom of the top plate
The end in portion, each piston rod connects pressing mechanism, and the pressing mechanism includes the first pressing plate, the top of first pressing plate
Portion is placed in the middle to be connected with the piston rod, and the two bottom sides of first pressing plate are symmetrically equipped with the first spring and the second bullet
Spring, first spring is identical with the coefficient of elasticity of the second spring, one end of first spring and the second spring
It is connected with the bottom of first pressing plate, the other end of first spring and the second spring is all connected with the second pressing plate
Top, the perspective plane of second pressing plate and first pressing plate coincides, and the bottom of second pressing plate is placed in the middle to be equipped with
The outer diameter of pressure pipe, the pressure pipe is identical as the spacing of the first limited block described in the adjacent pair of underface, is equipped in the pressure pipe
Hollow cavity, is equipped with third spring in the hollow cavity, the coefficient of elasticity of the third spring be less than first spring and
The coefficient of elasticity of the second spring, one end of the third spring are connected with the bottom of second pressing plate, the third
Finger is imitated in the other end connection of spring, and the bottom inside of the imitative finger is equipped with pressure sensor, and the bottom of the pressure pipe is equipped with
Gap, the width of the gap is of same size with the imitative finger, and the end face of the gap is equipped with rubber washer, the imitative hand
Finger is connected by the rubber washer with the bottom of the pressure pipe, and the outside of the pressure pipe is equipped with the second limited block, and described the
The sum of two limited blocks and the height of first limited block are equal to the height of the pressure pipe, the pressure sensor and the button
Module connects the input terminal of the control module, and the output end of the control module is separately connected the vacuum pump, the cylinder
With the liquid crystal display, the power cord connects external power supply, and the external power supply provides work electricity for described device ontology
Pressure.
2. a kind of batch of touch chip according to claim 1 presses compression testing device, it is characterised in that:The vacuum pump
Select minipump.
3. a kind of batch of touch chip according to claim 1 presses compression testing device, it is characterised in that:The pressure passes
Sensor selects deposition tube resistance type pressure sensor.
4. a kind of batch of touch chip according to claim 1 presses compression testing device, it is characterised in that:The cylinder choosing
Use blow cylinder.
5. a kind of batch of touch chip according to claim 1 presses compression testing device, it is characterised in that:The button mould
Block selects keyboard drive chip ZLG7289.
6. a kind of batch of touch chip according to claim 1 presses compression testing device, it is characterised in that:The control mould
Block selects 16 microcontroller MC95S12DJ128.
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CN201810496802.4A CN108362565A (en) | 2018-05-22 | 2018-05-22 | A kind of batch of touch chip presses compression testing device |
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CN201810496802.4A CN108362565A (en) | 2018-05-22 | 2018-05-22 | A kind of batch of touch chip presses compression testing device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111007915A (en) * | 2019-11-27 | 2020-04-14 | 天地融科技股份有限公司 | Batch activation method and system for electronic equipment |
CN111273121A (en) * | 2020-03-07 | 2020-06-12 | 东莞市和康轩电子科技有限公司 | Touch function product detection device and detection method |
CN115326541A (en) * | 2022-08-10 | 2022-11-11 | 深圳市锦锐科技股份有限公司 | Full-automatic single chip microcomputer chip testing device and operation method thereof |
-
2018
- 2018-05-22 CN CN201810496802.4A patent/CN108362565A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111007915A (en) * | 2019-11-27 | 2020-04-14 | 天地融科技股份有限公司 | Batch activation method and system for electronic equipment |
CN111007915B (en) * | 2019-11-27 | 2021-09-17 | 天地融科技股份有限公司 | Batch activation method and system for electronic equipment |
CN111273121A (en) * | 2020-03-07 | 2020-06-12 | 东莞市和康轩电子科技有限公司 | Touch function product detection device and detection method |
CN115326541A (en) * | 2022-08-10 | 2022-11-11 | 深圳市锦锐科技股份有限公司 | Full-automatic single chip microcomputer chip testing device and operation method thereof |
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