CN204882820U - Piezoelectricity button testing arrangement - Google Patents
Piezoelectricity button testing arrangement Download PDFInfo
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- CN204882820U CN204882820U CN201520430764.4U CN201520430764U CN204882820U CN 204882820 U CN204882820 U CN 204882820U CN 201520430764 U CN201520430764 U CN 201520430764U CN 204882820 U CN204882820 U CN 204882820U
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- slide rail
- button
- piezoelectricity
- horizontal gird
- piezoelectricity button
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Abstract
The utility model relates to a piezoelectricity button testing arrangement, the piezoelectricity button is installed in the metal decking, the piezoelectricity button is equipped with the deformation sensor, this piezoelectricity button testing arrangement includes the controller with deformation sensor electric connection, output device with controller electric connection, a pedestal, the vertical slide rail that sets up on the base, locate the horizontal gird on the slide rail, the gliding drive arrangement of drive slide rail, the pressure pole that one end and horizontal gird are connected, the other end of pressure pole is equipped with buffer head, and lie in between horizontal gird and the base, the metal decking is fixed in on the base, and lie in the pressure pole under, drive arrangement and controller electric connection. Through utilizing the drive control slide rail to make the horizontal gird move to the operational height, can judge the sensitivity of each button through negative value level pulse width size, what on the same motherboard each button was tested out to the accuracy presses whether unanimity of sensitivity, satisfy the contact time when pressing with the piezoelectricity button through buffer head, the quality of button is tested out to the accuracy.
Description
Technical field
The utility model relates to key testing technical field, particularly relates to a kind of piezoelectricity button testing device.
Background technology
Traditional mechanical key proving installation utilizes hard object to carry out by pressing the life-span that trigger key response carrys out counting button, and piezoelectricity button is because the singularity of its button, need during pressing to accomplish certain duration of contact, piezoelectricity button judges that key pulse effective time is between 24ms-260ms.Staff is because his pliability and DE can be accomplished very easily, but traditional hard object pressing, because elasticity, pliability are inadequate, causes duration of contact an instant after pressing inadequate, traditional hard object pressing easily there is the phenomenon of test leakage, so accurately cannot test out the quality of button; And traditional hard object pressing can not ensure the pressing force to button applying, therefore also accurately cannot test out the consistance with the multiple keystroke sensitivity of group.
Utility model content
The purpose of this utility model is to provide a kind of piezoelectricity button testing device, can prevent test leakage phenomenon, accurately tests out the quality of button and the consistance of sensitivity.
For realizing the purpose of this utility model, the technical scheme taked is:
A kind of piezoelectricity button testing device, piezoelectricity button is installed on metal decking, piezoelectricity button is provided with changing sensor, this piezoelectricity button testing device comprises the controller be electrically connected with changing sensor, the output unit be electrically connected with controller, be provided with the metal decking of piezoelectricity button, pedestal, vertically be arranged at the slide rail on pedestal, be located at the horizontal gird on slide rail, drive the drive unit that slide rail slides, the press rods that one end is connected with horizontal gird, the other end of press rods is provided with buffer head, and between horizontal gird and pedestal, during test, metal decking is fixed on pedestal, and be positioned at immediately below press rods, drive unit and controller are electrically connected.
In order to ensure consistance button being applied to pressing force, adopt freely falling body pressing mode, controlling slide rail by utilizing drive unit makes horizontal gird move to operational height, and press rods freely falling body, on metal decking, ensures that buffer head applies the pressing force of identical dynamics to each piezoelectricity button.Pressing force makes metal decking produce necessarily trickle deformation, the changing sensor of piezoelectricity button receives the quantity of electric charge that these deformation produce corresponding dynamics, and the signal that button produces is delivered to controller, controller utilizes the deformation of pressing dynamics to produce the characteristic of negative value level, the sensitivity of each button just can be judged, therefore, it is possible to whether the pressing sensitivity accurately testing out each button on same motherboard is consistent by negative value level pulsewidth size; And met and duration of contact during piezoelectricity key press by the elastic buffer of buffer head, prevent test leakage phenomenon, test result is exported by output unit or shows, and defines value and judges whether keystroke sensitivity reaches requirement, accurately test out the quality of button by pulsewidth.And in order to adjust the compression frequency of button, can by controller accessory drive adjustment slide rail move up and down frequency, make test more flexible.
Below technical scheme is further illustrated:
Further, horizontal gird is provided with horizontal concrete chute, and press rods and horizontal concrete chute are slidably connected.Adjusted the installation site of press rods and horizontal gird by horizontal concrete chute, press rods is alignd with the piezoelectricity button of diverse location on metal decking, not only easy to adjust, also make same press rods be applicable to the test of multiple piezoelectricity button, test more flexible.
Further, piezoelectricity button testing device also comprises the backing plate be fixed on pedestal, the deck be located on backing plate, and metal decking and deck removably connect.By adjustment metal decking, press rods is alignd with the piezoelectricity button of diverse location on metal decking, make same press rods be applicable to the test of more multiple pressure electricity button.
Further, piezoelectricity button testing device also comprises the drive motor that driving pressure bar slides, and drive motor and controller are electrically connected.Controller adjusts the position of press rods automatically by drive motor, makes more convenient operation.
Further, horizontal gird is provided with counterweight.By adding different counterweights on horizontal gird, testing the reactivity of different dynamics lower piezoelectric button, making test more flexible.
Further, slide rail comprises the first slide rail and the second slide rail that are oppositely arranged, and the two ends of horizontal gird are connected with the first slide rail and the second slide rail respectively, and be connected with balance beam between the first slide rail and the second slide rail, horizontal gird is between balance beam and pedestal.The two ends of horizontal gird are connected with the first slide rail and the second slide rail respectively, horizontal gird is fixed more firm, prevent horizontal gird to be moved in moving process; And be connected with balance beam between the first slide rail and the second slide rail, make the test of piezoelectricity button testing device more stable.
Further, output unit is display screen, and display screen is located on pedestal, and sheet metal is provided with multiple piezoelectricity button, and display screen is provided with and multiple piezoelectricity button viewing area one to one.When pressing some or multiple piezoelectricity button, viewing area corresponding on display screen has corresponding sign, and sign can be colour switching.Pwm value when different piezoelectricity buttons is pressed, to be shown by by the viewing area of the information such as number of times in correspondence, be convenient to the observation in test process and monitoring.
Further, piezoelectricity button testing device also comprises the starting switch, reset switch and the pause switch that are electrically connected with controller, and starting switch, reset switch and pause switch are located on pedestal.By opening and closing starting switch, control the work of proving installation; By reset switch, the test completed is cleared up, prepare to carry out record to information to be tested; In test process, if there are abnormal conditions, control the work of proving installation by pause switch, make whole test operation more convenient.
Further, buffer head is bat printing silica gel head.Utilize bat printing silica gel head colloid exquisiteness, good springiness, indeformable characteristic, simulation staff, meet duration of contact when pressing by elastic buffer during pressing, make the result of test more accurate; After depression bar rises, bat printing silica gel head is indeformable again after following and bouncing, and can realize repeatedly pressing test.
Compared with prior art, the utility model has following beneficial effect:
The utility model, by adopting freely falling body pressing mode, controls slide rail by utilizing drive unit and makes horizontal gird move to operational height, ensure that buffer head applies the pressing force of identical dynamics to each piezoelectricity button; And utilize the deformation of pressing dynamics to produce the characteristic of negative value level, just can be judged the sensitivity of each button by negative value level pulsewidth size, whether the pressing sensitivity accurately testing out each button on same motherboard is consistent; Met and duration of contact during piezoelectricity key press by the elastic buffer of buffer head, define value by pulsewidth and judge whether keystroke sensitivity reaches requirement, accurately test out the quality of button.And in order to adjust the compression frequency of button, can by controller accessory drive adjustment slide rail move up and down frequency, make test more flexible.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment piezoelectricity button testing device;
Fig. 2 is the structural representation of the utility model embodiment output unit.
Description of reference numerals:
110. piezoelectricity buttons, 120. output units, 121. viewing areas, 130. starting switches, 140. reset switches, 150. pause switchs, 20. metal deckings, 30. pedestals, 310. guide pin bushings, 410. slide rails, 420. horizontal girds, 421. horizontal concrete chutes, 430. balance beams, 50. press rods, 510. buffer heads, 60. nuts, 70. counterweights, 80. backing plates, 910. bolts, 920. clamp nuts.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
As shown in Figure 1, a kind of piezoelectricity button testing device, piezoelectricity button 110 is arranged on metal decking 20, piezoelectricity button 110 is provided with changing sensor (accompanying drawing does not identify), this piezoelectricity button testing device comprises the controller (accompanying drawing does not identify) be electrically connected with changing sensor, the output unit 120 be electrically connected with controller, , pedestal 30, vertically be arranged at the slide rail 410 on pedestal 30, be located at the horizontal gird 420 on slide rail 410, drive the drive unit (accompanying drawing does not identify) that slide rail 410 slides, the press rods 50 that one end is connected with horizontal gird 420, the other end of press rods 50 is provided with buffer head 510, and between horizontal gird 420 and pedestal 30, during test, metal decking 20 is fixed on pedestal 30, and be positioned at immediately below press rods 50, drive unit and controller are electrically connected.
In order to ensure consistance button being applied to pressing force, adopt freely falling body pressing mode, operational height is moved to by utilizing drive unit level of control crossbeam 420, press rods 50 freely falling body, on metal decking 20, ensures that buffer head 510 applies the pressing force of identical dynamics to each piezoelectricity button 110.Pressing force makes metal decking 20 produce necessarily trickle deformation, the changing sensor of piezoelectricity button 110 receives the quantity of electric charge that these deformation produce corresponding dynamics, and the signal that button produces is delivered to controller, controller utilizes the deformation of pressing dynamics to produce the characteristic of negative value level, the sensitivity of each button just can be judged, therefore, it is possible to whether the pressing sensitivity accurately testing out each button on same motherboard is consistent by negative value level pulsewidth size; And meet duration of contact when pressing with piezoelectricity button 110 by the elastic buffer of buffer head 510, prevent test leakage phenomenon, test result is exported by output unit 120 or shows, and defines value and judges whether keystroke sensitivity reaches requirement, accurately test out the quality of button by pulsewidth.And in order to adjust the compression frequency of button, can by controller accessory drive adjustment horizontal gird 420 move up and down frequency, make test more flexible.
In the present embodiment, pedestal 30 is provided with guide pin bushing 310, slide rail 410 and guide pin bushing 310 are slidably connected, drive motor drives slide rail 410 to move up and down along guide pin bushing 310, thus drive press rods 50 to move up and down, horizontal gird 420 and slide rail 410 can also be slidably connected by piezoelectricity button testing device according to actual needs, and drive motor moves up and down along slide rail 410 by driving horizontal gird 420, thus drives press rods 50 to move up and down.
As shown in Figure 1, slide rail 410 comprises the first slide rail and the second slide rail that are oppositely arranged, the two ends of horizontal gird 420 are connected with the first slide rail and the second slide rail respectively, are connected with balance beam 430 between the first slide rail and the second slide rail, and horizontal gird 420 is between balance beam 430 and pedestal 30.The two ends of horizontal gird 420 are connected with the first slide rail and the second slide rail respectively, make horizontal gird 420 fix more firm, prevent horizontal gird 420 to be moved in moving process; And be connected with balance beam 430 between the first slide rail and the second slide rail, make the test of piezoelectricity button testing device more stable.
As shown in Figure 1, horizontal gird 420 is provided with horizontal concrete chute 421, and press rods 50 and horizontal concrete chute 421 are slidably connected.The installation site of press rods 50 and horizontal gird 420 is adjusted by horizontal concrete chute 421, press rods 50 is alignd with the piezoelectricity button 110 of diverse location on metal decking 20, not only easy to adjust, also make same press rods 50 be applicable to the test of multiple piezoelectricity button 110, test more flexible.
In the present embodiment, press rods 50 passes horizontal concrete chute 421 away from one end of buffer head 510, and is fixed on horizontal gird 420 by upper and lower two nuts 60 be socketed in press rods 50.When adjusting the position of press rods 50, then first unclamp nut 60, then adjust the position of press rods 50 on horizontal concrete chute 421, finally clamp nut 60 is fixed again.Piezoelectricity button testing device can also arrange the drive motor that a driving pressure bar 50 slides according to actual needs, and drive motor and controller are electrically connected, and automatically adjusted the position of press rods 50, make more convenient operation by drive motor.
As shown in Figure 1, the two ends of horizontal gird 430 are provided with counterweight 70.By adding different counterweights 70 on horizontal gird 430, testing the reactivity of different dynamics lower piezoelectric button 110, making test more flexible.Counterweight 70 can also be arranged on other positions of horizontal gird 430 according to actual needs.
In the present embodiment, buffer head 510 is bat printing silica gel head.Utilize bat printing silica gel head colloid exquisiteness, good springiness, indeformable characteristic, simulation staff, meet duration of contact when pressing by elastic buffer during pressing, make the result of test more accurate; After depression bar rises, bat printing silica gel head is indeformable again after following and bouncing, and can realize repeatedly pressing test.Buffer head 510 can also adopt other material according to actual needs.
As shown in Figure 1, piezoelectricity button testing device also comprises the backing plate 80 be fixed on pedestal 30, four decks be located on backing plate 80, the clamp nut 920 that deck comprises the bolt 910 on fixing backing plate 80 and is socketed on bolt 910.During adjustment metal decking 20 position, by unclamping clamp nut 920, the adjustment installation site of metal decking 20 on backing plate 80, then compressed by clamp nut 920 pairs of metal deckings 20.By adjustment metal decking 20, press rods 50 is alignd with the piezoelectricity button 110 of diverse location on metal decking 20, make same press rods 50 be applicable to the test of more multiple pressure electricity button 110.
In the present embodiment, as shown in Figure 1, horizontal gird 420 is fixed with two press rods 50, is tested by two press rods 50 simultaneously to two piezoelectricity buttons 110, piezoelectricity button testing device can also arrange more than one press rods 50 according to actual needs.
As depicted in figs. 1 and 2, output unit 120 is display screen, and display screen is located on pedestal 30, and sheet metal is provided with multiple piezoelectricity button 110, display screen is provided with and multiple piezoelectricity button 110 viewing area 121 one to one, and the position of viewing area 121 is consistent with the distributing position of piezoelectricity button 110.When pressing some or multiple piezoelectricity button 110, viewing area 121 corresponding on display screen has corresponding sign, and sign can be colour switching.Pwm value when different piezoelectricity buttons 110 is pressed, to be shown by by the viewing area 121 of the information such as number of times in correspondence, be convenient to the observation in test process and monitoring.Pedestal 30 is also provided with the starting switch 130, reset switch 140 and the pause switch 150 that are electrically connected with controller.
In the present embodiment, controller is provided with fixture circuit board, and fixture circuit board mainly comprises six large modules: key-press module, display screen circuit module, motor module, power module, pulsewidth calculate memory module, piezoelectricity keystroke interface module.Key-press module mainly controls the switch of test fixture, clearing and time-out; Motor module is mainly in order to want accessory drive; Power module provides the power supply of needs to whole proving installation; Pulsewidth calculates memory module and mainly utilizes and receive by piezoelectricity keystroke interface module the pwm value that tested piezoelectricity button 110 sends over and carry out inventory analysis judgement and be sent to display screen circuit module showing.
Fixture circuit board is connected by the circuit board of piezoelectricity keystroke interface and piezoelectricity button 110, open starting switch 130, after drive unit drives slide rail 410 to make horizontal gird 420 rise to operational height, press rods 50 freely falls, when bat printing silica gel head is pressed into piezoelectricity button 110, the judgment value whether pwm value and button are pressed is transferred to fixture circuit board and prints by the circuit board of piezoelectricity button 110, whether fixture circuit board carrys out display button by the pwm value of display screen display button and colour switching and is pressed, and define value by pulsewidth and judge whether keystroke sensitivity reaches requirement.
In the present embodiment, viewing area 121 displaying contents of display screen has: pwm value when at every turn pressing, meet pulse duration range number of times, the number of times that is pressed, by by number of times, displaying contents can also carry out different settings according to actual needs.
The utility model, by adopting freely falling body pressing mode, controls slide rail 410 by utilizing drive unit and makes horizontal gird 420 move to operational height, ensures that buffer head 510 applies the pressing force of identical dynamics to each piezoelectricity button 110; And utilize the deformation of pressing dynamics to produce the characteristic of negative value level, just can be judged the sensitivity of each button by negative value level pulsewidth size, whether the pressing sensitivity accurately testing out each button on same motherboard is consistent; Meet duration of contact when pressing with piezoelectricity button 110 by the elastic buffer of buffer head 510, define value by pulsewidth and judge whether keystroke sensitivity reaches requirement, accurately test out the quality of button.And in order to adjust the compression frequency of button, can by controller accessory drive adjustment slide rail 410 move up and down frequency, make test more flexible.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a piezoelectricity button testing device, piezoelectricity button is installed on metal decking, piezoelectricity button is provided with changing sensor, it is characterized in that, comprise the controller be electrically connected with described changing sensor, the output unit be electrically connected with described controller, pedestal, vertically be arranged at the slide rail on described pedestal, be located at the horizontal gird on described slide rail, drive the drive unit that described slide rail slides, the press rods that one end is connected with described horizontal gird, the other end of described press rods is provided with buffer head, and between described horizontal gird and described pedestal, during test, described metal decking is fixed on described pedestal, and be positioned at immediately below described press rods, described drive unit and described controller are electrically connected.
2. piezoelectricity button testing device according to claim 1, is characterized in that, described horizontal gird is provided with horizontal concrete chute, and described press rods and described horizontal concrete chute are slidably connected.
3. piezoelectricity button testing device according to claim 2, is characterized in that, also comprise the backing plate be fixed on described pedestal, the deck be located on described backing plate, described metal decking and described deck removably connect.
4. piezoelectricity button testing device according to claim 2, is characterized in that, also comprise the drive motor driving described press rods to slide, described drive motor and described controller are electrically connected.
5. piezoelectricity button testing device according to claim 1, is characterized in that, described horizontal gird is provided with counterweight.
6. piezoelectricity button testing device according to claim 1, it is characterized in that, described slide rail comprises the first slide rail and the second slide rail that are oppositely arranged, the two ends of described horizontal gird are connected with described first slide rail and described second slide rail respectively, be connected with balance beam between described first slide rail and described second slide rail, described horizontal gird is between described balance beam and described pedestal.
7. piezoelectricity button testing device according to claim 1, it is characterized in that, described output unit is display screen, and described display screen is located on described pedestal, described metal decking is provided with multiple piezoelectricity button, and described display screen is provided with and multiple piezoelectricity button viewing area one to one.
8. piezoelectricity button testing device according to claim 1, it is characterized in that, also comprise the starting switch, reset switch and the pause switch that are electrically connected with described controller, described starting switch, described reset switch and described pause switch are located on described pedestal.
9. the piezoelectricity button testing device according to any one of claim 1 to 8, is characterized in that, described buffer head is bat printing silica gel head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430764.4U CN204882820U (en) | 2015-06-19 | 2015-06-19 | Piezoelectricity button testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520430764.4U CN204882820U (en) | 2015-06-19 | 2015-06-19 | Piezoelectricity button testing arrangement |
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| CN204882820U true CN204882820U (en) | 2015-12-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817440A (en) * | 2017-10-26 | 2018-03-20 | 钟国强 | A kind of resistance to click test equipment of contactor detection |
| CN108089953A (en) * | 2016-11-21 | 2018-05-29 | 阿瓦亚公司 | User interface function is tested by the actuating of piezoelectricity grid |
| CN108693470A (en) * | 2018-06-20 | 2018-10-23 | 广东美的厨房电器制造有限公司 | The detection device of thin film switch |
| CN110727259A (en) * | 2019-10-16 | 2020-01-24 | 合肥学院 | Automatic test system of motor controller |
| CN111504628A (en) * | 2020-05-08 | 2020-08-07 | 重庆电子工程职业学院 | Single key life detection device for computer keyboard |
-
2015
- 2015-06-19 CN CN201520430764.4U patent/CN204882820U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089953A (en) * | 2016-11-21 | 2018-05-29 | 阿瓦亚公司 | User interface function is tested by the actuating of piezoelectricity grid |
| US11029661B2 (en) | 2016-11-21 | 2021-06-08 | Avaya Inc. | Remote user interface actuation using a piezoelectric grid |
| CN108089953B (en) * | 2016-11-21 | 2022-01-25 | 阿瓦亚公司 | Testing user interface functionality through actuation of piezoelectric meshes |
| CN107817440A (en) * | 2017-10-26 | 2018-03-20 | 钟国强 | A kind of resistance to click test equipment of contactor detection |
| CN107817440B (en) * | 2017-10-26 | 2020-06-12 | 东营南科电气有限责任公司 | Circuit switch detects with resistant test equipment that clicks |
| CN108693470A (en) * | 2018-06-20 | 2018-10-23 | 广东美的厨房电器制造有限公司 | The detection device of thin film switch |
| CN110727259A (en) * | 2019-10-16 | 2020-01-24 | 合肥学院 | Automatic test system of motor controller |
| CN111504628A (en) * | 2020-05-08 | 2020-08-07 | 重庆电子工程职业学院 | Single key life detection device for computer keyboard |
| CN111504628B (en) * | 2020-05-08 | 2021-09-21 | 重庆电子工程职业学院 | Single key life detection device for computer keyboard |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 |