CN102841312B - Remote-control key endurance testing device - Google Patents
Remote-control key endurance testing device Download PDFInfo
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- CN102841312B CN102841312B CN201210319520.XA CN201210319520A CN102841312B CN 102841312 B CN102841312 B CN 102841312B CN 201210319520 A CN201210319520 A CN 201210319520A CN 102841312 B CN102841312 B CN 102841312B
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- remote
- control key
- push rod
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
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Abstract
The embodiment of the invention discloses a remote-control key endurance testing device which relates to the field of automobile accessory testing apparatus and is used for solving the problem of lower testing result accuracy caused by the fact that the pressing in-place degree in the traditional remote-control key endurance test is hard to determine. According to the embodiment of the invention, due to the fact that a push rod is movably connected to a limiting bracket main body by a connecting shaft and the push rod can rotate along the connecting shaft under the drive of a driving device, and meanwhile, due to the fact that a limiting bolt is arranged in a bolt hole of a second part of the push rod, when a remote-control key is in a pressed state, the tail part of the limiting bolt supports against a protruding part of the limiting bracket to limit the downward rotating displacement of the push rod, in this way, the depth of a pressure pillar which downwardly presses a key to be tested under the drive of the push rod is determined accurately, so that the pressing in-place degree of the key to be tested can be determined easily, and the higher accuracy of a remote-control key endurance test result can be ensured. The embodiment of the invention is mainly used for the automobile accessory testing apparatus.
Description
Technical field
The present invention relates to car accessories testing equipment field, particularly relate to a kind of remote-control key durability test apparatus.
Background technology
Remote-control key application is in the car more and more extensive, so in use require that remote-control key will meet durable requirement.Remote-control key must carry out long duration test according to different service conditions before being taken into use, to verify whether key chip and key rubber topping cover performance meet request for utilization.
At present, the device carrying out remote-control key long duration test as shown in Figure 1, mainly comprises: cylinder fixed support 11, cylinder 12, fixed cell 13, control system (not shown in figure 1).Cylinder fixed support 11 is for being fixed on above remote-control key 14 to be measured by cylinder 12, fixed cell 13 is for fixing remote-control key 14 to be measured, button to be measured 15 on remote-control key 14 to be measured is aimed at corresponding cylinder 12, when long duration test starts, by the to-and-fro movement of cylinder 12 upper push-rod 16, the pressing operation to button 15 to be measured can be realized.
Carry out in the process of remote-control key long duration test at use said apparatus, because cylinder 12 upper push-rod 16 directly presses button 15 to be measured, the degree of putting in place of pressing is not easy to determine, when namely cannot know push rod 16 contact measured button 15 and reach the limit of position, whether effective pressing is implemented to button 15 to be measured, therefore, make the degree of accuracy of test findings lower, cause the service condition that accurately can not ensure remote-control key, much unnecessary trouble can be brought to user when remote-control key comes into operation.
Summary of the invention
Embodiments of the invention provide a kind of remote-control key durability test apparatus, and solve and use existing apparatus when carrying out remote-control key long duration test, pressing the put degree of cylinder push-rod to button to be measured is not easy to determine, the problem that the test findings degree of accuracy caused is lower.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of remote-control key durability test apparatus, is arranged on testing table, comprises: support, driver element, fixed cell, push rod, limiting bracket, caging bolt and compression leg for fixing remote-control key to be measured; Described fixed cell and described support are fixed on described testing table; Described limiting bracket and described driver element are fixedly installed on described support; Described limiting bracket has body and projection, and described projection is provided with through hole; Described push rod is flexibly connected with described body by coupling shaft; Described compression leg is arranged in described through hole; Described push rod is divided into Part I and Part II by described coupling shaft, and described Part II is provided with bolt hole, for installing described caging bolt; The free end of described Part I or the free end of described Part II, by described drive unit drives, make described push rod rotate around described coupling shaft; The free end of described Part II is also for driving described compression leg along moving perpendicular to the direction that described testing table is downward; When described remote-control key durability test apparatus is in pressed state, the afterbody of described caging bolt is against described projection.
Further, described push rod is L-type, and the right angle portions of described push rod is flexibly connected with described body by described coupling shaft; Described driver element is perpendicular on described testing table direction upwards, and be positioned at the top of described limiting bracket, the free end of the Part I of described push rod is by described drive unit drives.
Further, described remote-control key durability test apparatus, also comprise back-moving spring, one end of described back-moving spring is fixed on described projection, the other end is resisted against the bottom surface of described Part II, the hollow space that partially pass through described back-moving spring of described caging bolt between described projection and described Part II.
Further, described remote-control key durability test apparatus, also comprises the photodetector unit and Control card that are electrically connected to each other; Whether described photodetector unit is lighted for detecting pilot lamp on described remote-control key to be measured; Described Control card is used for when described photodetector unit detects that described pilot lamp is not lighted, and stops the action of described driver element.
Further, described driver element comprises the source of the gas, solenoid valve, pressure regulator valve and the cylinder that connect successively, and the piston rod of described cylinder drives states the free end of Part I or the free end of described Part II.
Further, described compression leg has hollow space towards one end of described Part II.
Further, described compression leg is provided with press section towards one end of described button to be measured, and the contact area of described press section and described button to be measured is greater than the cross-sectional area of described compression leg.
Further, the edge of described press section has chamfering.
Further, described fixed cell is rectangular parallelepiped key, the end face of described key has the groove holding described remote-control key to be measured, is provided with the first bolt hole in the part of described end face except described groove, for described key is fixedly installed in described testing table; Described key has the first adjacent side and the second side, and described first side is provided with the second bolt hole, for making the metallic member of described remote-control key to be measured pass, or for installing the first trip bolt of fixing described remote-control key to be measured; Described second side is provided with the 3rd bolt hole, for installing fixing described remote-control key second trip bolt to be measured.
Further, described first bolt hole, described second bolt hole and described 3rd bolt hole are counter sink.
In the remote-control key durability test apparatus that the embodiment of the present invention provides, because push rod is movably connected on the body of limiting bracket by coupling shaft, and push rod is driven can be rotated around coupling shaft by drive unit, simultaneously, in bolt hole due to the Part II of push rod, caging bolt is installed, and when remote-control key durability test apparatus is in pressed state, the afterbody of caging bolt is against the projection of limiting bracket, to limit the displacement that push rod rotates, when the free end of Part II drives compression leg along when moving perpendicular to the direction that testing table is downward, the degree of depth making push rod drive compression leg to press button to be measured downwards by adjustment caging bolt is accurately set, therefore, the pressing degree that puts in place of button to be measured is easily determined, thus can ensure that remote-control key long duration test result has higher degree of accuracy.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of existing remote-control key durability test apparatus;
The schematic perspective view of a kind of remote-control key durability test apparatus that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the sectional perspective schematic diagram of the remote-control key durability test apparatus shown in Fig. 2;
The schematic perspective view of the another kind of remote-control key durability test apparatus that Fig. 4 provides for the embodiment of the present invention;
The schematic diagram with the control signal stream of the remote-control key durability test apparatus of photodetector unit and Control card that Fig. 5 provides for inventive embodiments;
Fig. 6 is the schematic perspective view of fixed cell in the remote-control key durability test apparatus shown in Fig. 2;
Fig. 7 is the top view of the fixed cell shown in Fig. 6;
Fig. 8 is the A-A cross sectional view of Fig. 7;
Fig. 9 is the partial side view of the remote-control key durability test apparatus shown in Fig. 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Embodiments provide a kind of remote-control key durability test apparatus, as shown in Figure 2, this device is arranged on testing table 201, comprising: support 202, driver element 203, fixed cell 205, push rod 206, limiting bracket 207, caging bolt 208 and compression leg 209 for fixing remote-control key 204 to be measured; Fixed cell 205 and support 202 are fixed on testing table 201; Limiting bracket 207 and driver element 203 are fixedly installed on support 202; Limiting bracket 207 has body 2071 and projection 2072, and projection 2072 is provided with through hole 210; Push rod 206 is flexibly connected with body 2071 by coupling shaft 211; Compression leg 209 is arranged in through hole 210; Push rod 206 is divided into Part I 2061 and Part II 2062 by coupling shaft 211, and Part II 2062 is provided with bolt hole 212, for mounting limit bolt 208; The free end of Part I 2061 or the free end of Part II 2062 are driven by driver element 203, and push rod 206 is rotated around coupling shaft 211; The free end of Part II 2062 is also for driving compression leg 209 to move along the direction downward perpendicular to testing table 201; When remote-control key durability test apparatus is in pressed state, the afterbody of caging bolt 208 is against projection 2072.
Below the course of work of the remote-control key durability test apparatus shown in Fig. 2 is described in detail.
Before testing, compression leg 209 is arranged in the through hole 210 on the projection 2072 of limiting bracket 207; Fixedly mount remote-control key 204 to be measured with fixed cell 205, the button to be measured of remote-control key 204 to be tested is aimed at one end of compression leg 209, the gravity due to compression leg 209 self makes compression leg 209 and key contact to be measured.
The distance H (as shown in Figure 9) between caging bolt 208 afterbody and projection 2072 is measured with clearance gauge, adjust the caging bolt 208 in bolt hole 212 again, the distance H between caging bolt 208 afterbody and projection 2072 can be made to reach the distance of specifying.Wherein, clearance gauge is generally used for the inside dimension in measuring flume or hole.
By the distance between setting caging bolt 208 afterbody and projection 2072, the degree of depth making compression leg 209 press button to be measured on remote-control key 204 to be tested can accurately set.When carrying out remote-control key long duration test, opening driver element 203, driving the free end of push rod 206 Part I 2061 or the free end of Part II 2062 by driver element 203, push rod 206 is rotated around coupling shaft 211.The situation that driver element 203 drives the free end rear portion of push rod 206 Part I 2061 is illustrate only in Fig. 2, certainly the present invention is not limited thereto, those skilled in the art are known, when driver element 203 is installed on the top of push rod 206 Part II 2062 free end, push rod 206 Part II 2062 free end can be driven from top, thus make push rod 206 stressed to rotate around coupling shaft 211.
In Fig. 2, when push rod 206 is stressed rotate around coupling shaft 211 time, the free end of push rod 206 Part II 2062 drives the button to be measured of compression leg 209 pressing remote-control key 204 to be tested downwards; When remote-control key durability test apparatus is in pressed state, namely when compression leg 209 presses button to be measured to the position that the degree of depth is maximum, the afterbody of caging bolt 208, against projection 2072, prevents compression leg 209 that button to be measured is depressed into darker position, thus avoids button to be measured damaged; When remote-control key durability test apparatus is in non-pressed state, compression leg 209 is resetted by the elasticity of the rubber of the button to be measured of remote-control key 204 to be tested itself, waits for and pressing next time.
In the remote-control key durability test apparatus that the embodiment of the present invention provides, because push rod is movably connected on the body of limiting bracket by coupling shaft, and push rod is driven can be rotated around coupling shaft by drive unit, simultaneously, in bolt hole due to the Part II of push rod, caging bolt is installed, and when remote-control key durability test apparatus is in pressed state, the afterbody of caging bolt is against the projection of limiting bracket, to limit the displacement that push rod rotates, when the free end of Part II drives compression leg along when moving perpendicular to the direction that testing table is downward, the degree of depth making push rod drive compression leg to press button to be measured downwards by adjustment caging bolt is accurately set, therefore, the pressing degree that puts in place of button to be measured is easily determined, thus can ensure that remote-control key long duration test result has higher degree of accuracy.
In above-described embodiment, push rod 206 can be illustrated in figure 2 L-type, and the right angle portions of push rod 206 is flexibly connected with body 2071 by coupling shaft 211, driver element 203 is perpendicular on testing table 201 direction upwards, be positioned at the top of limiting bracket 207, the free end of the Part I 2061 of push rod 206 is driven by driver element 203.The space of the topworks that design like this is made up of support, push rod, driver element, limiting bracket, compression leg is arranged compact, be conducive to the volume reducing whole remote-control key durability test apparatus, and when needing to test multiple button to be measured simultaneously, and during close together between this multiple button to be measured, when topworks has compact space layout, can be arranged side by side multiple, to test multiple button to be measured simultaneously.
In addition, because push rod is L-type, make the direction of the acting force of driver element change into vertical direction by horizontal direction, avoid driver element Direct driver compression leg, make process of the test closer to the actual conditions of staff pressing keys.
In the remote-control key durability test apparatus that above-described embodiment describes, back-moving spring 31 as shown in Figure 3 can also be comprised, one end of back-moving spring 31 is fixed on the projection 2072 of limiting bracket, the other end is resisted against the bottom surface of Part II 2062, and the hollow space that partially pass through back-moving spring 31 of caging bolt 208 between projection 2072 and Part II 2062.By arranging back-moving spring 31, remote-control key durability test apparatus can be worked as when being in non-pressed state, the anchorage force perpendicular to experiment table (not shown in Fig. 3) upward direction utilizing the elasticity of back-moving spring 31 to produce, this anchorage force supports the Part II 2062 of push rod, avoid when button to be measured is in non-pressed state, push rod 206 produces pressure by compression leg 209 to button to be measured on remote-control key to be measured, thus further increases the accuracy of test findings.
In the remote-control key durability test apparatus that above-described embodiment describes, the photodetector unit 41 and Control card (not shown in Fig. 4) that are electrically connected to each other as shown in Figure 4 can also be comprised; Whether photodetector unit 41 is installed on Bracket for Inspection 42, light for detecting pilot lamp on remote-control key 204 to be measured; Control card can be installed on the position that being convenient to known to any those skilled in the art carries out control operation, for when photodetector unit 41 detects that on remote-control key to be measured, pilot lamp is not lighted, stops the action of driver element 203.
The situation that pressing is not in place can be detected by arranging photodetector unit 41, namely the situation that on remote-control key 204 to be measured, pilot lamp is not lighted, in the case, Control card makes driver element 203 stop action, then test stopping, avoid button to be measured on remote-control key 204 to be measured and make because being subject to pressing not in place the problem that test findings degree of accuracy is low, and make process of the test robotization, decrease the workload of testing crew.
It should be noted that: assembly identical in Fig. 4 and Fig. 2 has identical Reference numeral.
In above-described embodiment, as shown in Figure 5, driver element can comprise the source of the gas 51, solenoid valve 52, pressure regulator valve 53 and the cylinder 54 that connect successively, the piston rod of cylinder 54 drives the free end of push rod Part I or the free end of Part II, the final button to be measured driving compression leg to press remote-control key 57 to be measured.Fig. 5 is the schematic diagram of the control signal stream of the remote-control key durability test apparatus with photodetector unit 56 and Control card 55.Wherein, after photodetector unit 56 detects remote-control key 57 to be measured, detection signal is delivered to Control card 55, Control card 55 generates control signal according to detection signal, and control signal is delivered to solenoid valve 52, solenoid valve 52 is opened or closed, thus makes cylinder 54 work or quit work.
In above-mentioned remote-control key durability test apparatus, by arranging pressure regulator valve 53, the pressure size of cylinder 54 can be regulated, the break-make controlling source of the gas 51 by arranging solenoid valve 52 realizes the work of driver element or out-of-work function.
As shown in Figure 2, in above-described embodiment, compression leg 209 has hollow space towards one end of the Part II 2062 of push rod 206.The weight saving of compression leg 209 can be made thus, thus alleviate the pressure of compression leg 209 to button to be measured on remote-control key 204 to be measured, make to avoid the weight of compression leg 209 in process of the test pressure that button to be measured is subject to excessive, and affect the accuracy of test findings.
As in Figure 2-4, in above-described embodiment, compression leg 209 can be provided with press section 2091 towards one end of button to be measured on remote-control key 204 to be measured, press section 2091 is greater than the cross-sectional area of compression leg 209 with the contact area of button to be measured, reduce the pressure between press section 2091 and button to be measured with this, the process pressed is pressed closer to staff.
In above-described embodiment, the edge of press section 2091 can have chamfering, to prevent sharp-pointed edge torn button to be measured.
As Fig. 2,4, shown in 6-8, in the remote-control key durability test apparatus that above-described embodiment describes, fixed cell 205 can be rectangular parallelepiped key, the end face of key 205 has the groove 61 holding remote-control key 204 to be measured, the first bolt hole 62 is provided with, for key 205 being fixedly installed in testing table (not shown in Fig. 6) in the part of end face except groove 61; Key 205 has the first adjacent side 63 and the second side 63, side 64, first is provided with the second bolt hole 65, for making the metallic member 2041 of remote-control key 204 to be measured pass, or for installing the first trip bolt of fixing remote-control key to be measured 204; Second side 64 is provided with the 3rd bolt hole 66, for installing fixing remote-control key to be measured 204 second trip bolt.
In above-mentioned remote-control key durability test apparatus, because the first side 63 is provided with the second bolt hole 65, the metallic member of remote-control key to be measured can be made to pass, on end face, the position of corresponding second bolt hole 65 is provided with the 4th screw 67, the metallic member of remote-control key to be measured can be fixed by installing the 3rd trip bolt in the 4th screw 67.
If remote-control key 204 to be measured does not have metallic member, then in the second bolt hole 65, first trip bolt can be installed, described remote-control key to be measured is fixed with the X-direction shown in Fig. 7-8, simultaneously, in 3rd bolt hole 66, second trip bolt can be installed, fix remote-control key to be measured with the Y-direction shown in Fig. 7-8.By using key 205, can ensure that one end that the button to be measured in process of the test on remote-control key 204 to be measured presses with the enforcement of compression leg 209 all the time or press section are aimed at, thus further ensuring the accuracy of test findings.
In above-described embodiment, the first bolt hole 62, second bolt hole 65 and the 3rd bolt hole 66 can be counter sink, do not have the part of protrusion, therefore can not hinder the installation of other assemblies after making trip bolt be arranged on each bolt hole.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a remote-control key durability test apparatus, is arranged on testing table, it is characterized in that, comprising: support, driver element, fixed cell, push rod, limiting bracket, caging bolt and compression leg for fixing remote-control key to be measured;
Described fixed cell and described support are fixed on described testing table; Described limiting bracket and described driver element are fixedly installed on described support;
Described limiting bracket has body and projection, and described projection is provided with through hole; Described push rod is flexibly connected with described body by coupling shaft; Described compression leg is arranged in described through hole;
Described push rod is divided into Part I and Part II by described coupling shaft, and described Part II is provided with bolt hole, for installing described caging bolt; The free end of described Part I or the free end of described Part II, by described drive unit drives, make described push rod rotate around described coupling shaft; The free end of described Part II is also for driving described compression leg along moving perpendicular to the direction that described testing table is downward;
When described remote-control key durability test apparatus is in pressed state, the afterbody of described caging bolt is against described projection.
2. remote-control key durability test apparatus according to claim 1, is characterized in that, described push rod is L-type, and the right angle portions of described push rod is flexibly connected with described body by described coupling shaft;
Described driver element is perpendicular on described testing table direction upwards, and be positioned at the top of described limiting bracket, the free end of the Part I of described push rod is by described drive unit drives.
3. remote-control key durability test apparatus according to claim 1, it is characterized in that, also comprise back-moving spring, one end of described back-moving spring is fixed on described projection, the other end is resisted against the bottom surface of described Part II, the hollow space that partially pass through described back-moving spring of described caging bolt between described projection and described Part II.
4. remote-control key durability test apparatus according to claim 1, is characterized in that, also comprises the photodetector unit and Control card that are electrically connected to each other; Whether described photodetector unit is lighted for detecting pilot lamp on described remote-control key to be measured; Described Control card is used for when described photodetector unit detects that described pilot lamp is not lighted, and stops the action of described driver element.
5. remote-control key durability test apparatus according to claim 1, it is characterized in that, described driver element comprises the source of the gas, solenoid valve, pressure regulator valve and the cylinder that connect successively, and the piston rod of described cylinder drives states the free end of Part I or the free end of described Part II.
6. remote-control key durability test apparatus according to claim 1, is characterized in that, described compression leg has hollow space towards one end of described Part II.
7. remote-control key durability test apparatus according to claim 6, it is characterized in that, described compression leg is provided with press section towards one end of the button of remote-control key to be measured, and the contact area of the button of described press section and remote-control key to be measured is greater than the cross-sectional area of described compression leg.
8. remote-control key durability test apparatus according to claim 7, is characterized in that, the edge of described press section has chamfering.
9. remote-control key durability test apparatus according to claim 1, it is characterized in that, described fixed cell is rectangular parallelepiped key, the end face of described key has the groove holding described remote-control key to be measured, the first bolt hole is provided with, for described key is fixedly installed in described testing table in the part of described end face except described groove;
Described key has the first adjacent side and the second side, and described first side is provided with the second bolt hole, for making the metallic member of described remote-control key to be measured pass, or for installing the first trip bolt of fixing described remote-control key to be measured; Described second side is provided with the 3rd bolt hole, for installing fixing described remote-control key second trip bolt to be measured.
10. remote-control key durability test apparatus according to claim 9, is characterized in that, described first bolt hole, described second bolt hole and described 3rd bolt hole are counter sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319520.XA CN102841312B (en) | 2012-08-31 | 2012-08-31 | Remote-control key endurance testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210319520.XA CN102841312B (en) | 2012-08-31 | 2012-08-31 | Remote-control key endurance testing device |
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| CN102841312A CN102841312A (en) | 2012-12-26 |
| CN102841312B true CN102841312B (en) | 2015-04-22 |
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| CN201210319520.XA Expired - Fee Related CN102841312B (en) | 2012-08-31 | 2012-08-31 | Remote-control key endurance testing device |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323220B (en) * | 2013-05-17 | 2017-09-29 | 昌辉汽车电器（黄山）股份公司 | A kind of Foldable key of car endurancing cubing |
| CN103350340B (en) * | 2013-07-03 | 2017-01-25 | 苏州美尔科自动化设备有限公司 | System for producing automobile remote control key |
| CN104142465B (en) * | 2013-12-20 | 2016-12-07 | 浙江吉利控股集团有限公司 | A kind of automobile remote-control key assembly detection device and control method thereof |
| CN103698697B (en) * | 2013-12-30 | 2016-04-06 | 长城汽车股份有限公司 | The endurance testing system of folding-type remote control key |
| CN106441927A (en) * | 2016-08-30 | 2017-02-22 | 丰业迪睦斯（芜湖）汽车部件有限公司 | Automobile door handle induction detection device |
| CN108594109B (en) * | 2018-04-17 | 2024-03-12 | 广汽乘用车有限公司 | Durable test equipment of button |
| CN108918109B (en) * | 2018-05-16 | 2019-08-23 | 林文辉 | Fixture and equipment for automobile remote-control key life test |
| CN109975002A (en) * | 2019-04-29 | 2019-07-05 | 骏升科技（扬州）有限公司 | A kind of remote controller key waves test device |
| CN111505422A (en) * | 2020-04-30 | 2020-08-07 | 无锡华普微电子有限公司 | RKE performance testing device and system |
| CN112254945A (en) * | 2020-10-20 | 2021-01-22 | 奇瑞商用车（安徽）有限公司 | Device and method for testing reliability and durability of automobile remote control key assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0181425B1 (en) * | 1996-08-27 | 1999-04-01 | 대우자동차주식회사 | Rotary switch endurance checking tester of car-audio |
| CN100383540C (en) * | 2002-12-28 | 2008-04-23 | 鸿富锦精密工业（深圳）有限公司 | Key detector and method |
| CN2818338Y (en) * | 2005-09-23 | 2006-09-20 | 清华大学 | Integral device with banknote checking and binding |
| CN101430353B (en) * | 2007-11-09 | 2012-05-30 | 英华达(上海)电子有限公司 | Device lifetime test device |
| CN101301796A (en) * | 2008-06-16 | 2008-11-12 | 深圳职业技术学院 | Pneumatic press |
| EP2290666B1 (en) * | 2009-08-27 | 2015-08-12 | Siemens Aktiengesellschaft | Auxiliary module with lifespan monitoring for electromagnetic switching devices and accompanying method |
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2012
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| CN102841312A (en) | 2012-12-26 |
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