CN201438147U - Durability test device of automobile master switch - Google Patents
Durability test device of automobile master switch Download PDFInfo
- Publication number
- CN201438147U CN201438147U CN2009201341826U CN200920134182U CN201438147U CN 201438147 U CN201438147 U CN 201438147U CN 2009201341826 U CN2009201341826 U CN 2009201341826U CN 200920134182 U CN200920134182 U CN 200920134182U CN 201438147 U CN201438147 U CN 201438147U
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- cylinder
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- master switch
- blade
- seesaw
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Abstract
The utility model relates to a durability test device of an automobile master switch, comprising a rack, a first seesaw, a first air cylinder, a second air cylinder, a control device and a dummy load and the like; the rack is mainly used for fixing the master switch, the air cylinders and the seesaw and keeping the position relation thereof, the operations of pulling up and pressing down the button of the master switch by fingers are simulated by the action of the air cylinders and the seesaw, the dummy load is electrically connected with the button of the master switch to be detected and is used for detecting weather the button is damaged; under the action of the control device, the repeated tests to the button of the master switch is carried out by the test device, until the button of the master switch is damaged to cause the dummy load not to work, when the dummy load can not work, the normal working times of the button can be obtained according to the working time of the whole device and the motion frequency of the air cylinders, four buttons of the master switch are tested respectively, and then the durability of the master switch can be obtained according to the normal opening times of the four buttons.
Description
Technical field
The utility model relates to a kind of device that automobile master switch permanance is tested, the permanance that this device can the testing automobile master switch.
Background technology
In the now general four-door sedan glass-frame riser master switch is housed all.This master switch operated by rotary motion is on driver's next door, and the driver can control the lifting of the glass of four car doors easily by controlling this master switch.On master switch, be provided with four independent buttons, described four independent buttons are located on the pedestal of master switch, this each independent button corresponds respectively to the glass-frame riser of a car door, when the driver presses (perhaps upwards mentioning) certain button with hand, with will descend (or upwards rising) of the glass of the corresponding car door of this button, thereby control the glass of this car door downwards.
In practice because the driver operates the glass-frame riser master switch frequently, each button of the unlatching of repeated multiple times, if the poor quality of each button of master switch, then master switch can not play the glass of normal each car door of control with regard to being easy to damage under opening and closing operations number of times and few situation, be that such master switch permanance is bad, for the driver, both increase the difficulty of control automobile door glass like this, influenced driver's the mood of driving again.Therefore, in order to produce high-quality, long-life master switch, also promptly in order to produce the master switch of good endurance, the switch number of times that must be before dispatching from the factory can reach each button of the master switch produced detects, and promptly will detect the permanance of master switch.Result according to detecting proceeds the improvement of quality again for those master switchs that do not meet the demands.Yet the device of unspecial this kind of test master switch permanance in the prior art.
The utility model content
The novel technical matters that solves of this use is can not directly measure the problem of automobile master switch permanance in the prior art, thereby a kind of device for testing endurance of automobile master switch is provided.
The novel technical scheme that adopts of this use is, a kind of device for testing endurance of automobile master switch, stand, first cylinder, second cylinder, first cylinder saddle, second cylinder saddle, first seesaw, control module, fictitious load, described stand has a upper surface and from the upwardly extending vertical wall of upper surface, master switch is fixed on the upper surface of stand by column; Described first seesaw comprises first blade and second blade that is fixed together, and by the rotating shaft that is located at first, second blade intersection on the rotating vertical wall that is supported on stand, the end of second blade is positioned at the below of first button of master switch, and the angle towards the stand upper surface between described first blade and second blade is the obtuse angle; Described first cylinder saddle is fixed on the vertical wall of stand, first cylinder is fixed on first cylinder saddle and is positioned at first blade top, thereby described first cylinder has one can move around vertically and can promote the first piston bar that first blade rotates first seesaw around the shaft, described second cylinder saddle is fixed on the vertical wall of stand, described second cylinder is fixed on second cylinder saddle and is positioned at the top of first button, and second cylinder has second piston rod that can move around vertically and can push first button; Described control module is controlled the motion of first, second cylinder piston rod, thereby described fictitious load is electrically connected the state that detects master switch with master switch.
The novel operation that realizes thereby the pull-up operation anthropomorphic dummy of master switch button is pointed pull-up master switch button by the air cylinder driven seesaw of this use, and directly utilize cylinder to come the anthropomorphic dummy to point push to the master switch button, realization therefore true to nature the operation of driver to master switch; By repeat carry out this simulation and record master switch button is pressed or thereby the number of times of pull-up can directly draw the permanance of master switch.
Description of drawings
Fig. 1 is the perspective view of automobile master switch;
Figure 2 shows that the schematic perspective view of stand part primary structure of a kind of preferred embodiment of device for testing endurance of the utility model automobile master switch;
Figure 3 shows that the circuit corresponding, gas circuit structure synoptic diagram with the device for testing endurance of automobile master switch shown in Figure 2;
Figure 4 shows that the schematic perspective view of stand part primary structure of the another kind of preferred embodiment of device for testing endurance of the utility model automobile master switch;
Figure 5 shows that the circuit corresponding, gas circuit structure synoptic diagram with the device for testing endurance of automobile master switch shown in Figure 4.
Embodiment
As shown in Figure 1, be the schematic perspective view of glass-frame riser master switch 3, wherein the glass of first button 31, second button 32, the 3rd button 33 and four car doors of the 4th button 34 corresponding Control of Automobile of difference.As shown in Figure 2, stand has a upper surface 1 and from the upwardly extending vertical wall 2 of upper surface.Master switch 3 movably is fixed on the upper surface 1 of stand, promptly it just can not at will voluntarily move after master switch 3 is fixed, but when needs change its position, fix through removing the fixing another place that it can be moved to upper surface 1 again, this fixing method that can adopt clamp to fix, also can adopt bolt master switch 3 to be fixed on the upper surface 1 first-class method of stand, if this fixing means is easy to remove and can be well fixing master switch, the utility model preferably is fixed on master switch on the column 4 with bolt, therefore this column 4 is fixed on by the bolt (not shown) in the bolt hole (not shown) that presets of stand upper surface 1, column 4 is fixed on the fixed position that just can change master switch 3 in the different bolt hole of upper surface 1.First seesaw 5 is rotating to be fixed on the vertical wall 2 of stand and to be positioned at the oblique upper of first button 31 of master switch 3, first seesaw 5 has first blade 51 and second blade 52 that is fixed together mutually, and the angle towards upper surface 1 of this two blade is the obtuse angle, and preferably this obtuse angle is about 120 °; This first, second blade all has certain width and thickness respectively and has certain bending strength, be provided with a rotating shaft 53 at the position, boundary of first and second blades, the Width that axially is positioned at first, second blade of rotating shaft 53, rotating shaft 53 is fixed on the vertical wall 2 of stand and this vertical wall 2 of approximate vertical, under external force seesaw 5 can be around the shaft 53 motions that rotate; When seesaw 5 was positioned at initial position, the end of second blade 52 was positioned at the corresponding space of the below of master switch 3 first buttons 31,53 was rotated counterclockwise the position that 120 ° angle roughly promptly reaches first blade 51 around the shaft from the position of second blade 52; In rotating shaft 53, also be provided with a spring (not shown), do the time spent in no external force, this spring makes first, second blade remain at initial position, and when first, second blade departed from initial position, camber of spring also had the elastic force that first, second blade can be reset to initial position.Above first blade 51, first cylinder 6 is fixed on by first cylinder saddle on the vertical wall 2 of stand, and first cylinder, 6 fixing backs it axially roughly be positioned on the vertical direction; First cylinder 6 has first piston bar 61, and these first piston bar 61 1 ends are positioned at first cylinder 6, and its other end is towards first blade 51; When having gases at high pressure to enter in first cylinder 6, first piston bar 61 can move down, when first piston bar 61 moves down into when contacting with first blade 51, it promotes first blade 51 and 53 rotates around the shaft, thereby feasible second blade 52 that is fixed together with first blade 51 just 53 upwards rotates around the shaft, therefore the end of second blade 52 just upwards promotes first button 31 of master switch, has so just simulated finger and has been pulled upwardly first button 31; After gases at high pressure disappeared, first piston bar 61 upwards returned to its initial position automatically, thereby removed the pressure to first blade, thereby seesaw returns to its initial position under the effect of spring.Above first button 31, second cylinder 7 is fixed on by second cylinder saddle on the vertical wall 2 of stand, and the axis of fixing back second cylinder 7 roughly is positioned at vertical direction; Second cylinder 7 has second piston rod 71, and an end of this second piston rod 71 is positioned at second cylinder 7, and its other end is towards first button 31, and in the time of in gas enters into second cylinder 7, second piston rod 71 in second cylinder 7 just moves down; When second piston rod, 71 ends touched first button 31 surperficial of master switch, second piston rod 71 just promoted first button 31 and moves downward, and has so just simulated finger and has pushed first button 31 downwards; After gases at high pressure disappeared in second cylinder 7, second piston rod 71 just returned to its initial position automatically, thereby removed the pressure to first button.Preferred above-mentioned first cylinder 6 is identical with the structure of second cylinder 7, when determining the height and position of first cylinder 6, second cylinder, 7 in the vertical directions, consider the stroke size of piston rod separately, to reach pull-up and the push that in the stroke of piston rod separately, can realize just master switch first button; Preferred first, second cylinder of this real utility model is the single-acting cylinder of Japanese CKD company.For the piston rod that makes first cylinder 6, second cylinder 7 is realized axially-movable, as shown in Figure 2, the pipeline that this proving installation also is provided with high-pressure air source and is communicated with high-pressure air source and respective cylinder, concrete method of attachment can not repeat them here with reference to the operation instruction of CKD single-acting cylinder.In the pipeline that is communicated with the high-pressure air source and first cylinder, second cylinder, be respectively equipped with first, second solenoid valve, this first, second solenoid valve is electrically connected with control module, thereby and receive electric signal that control module sends and realize switching control corresponding pipeline, described control module can be a singlechip chip habitual in the industries such as ECU or CPU.Control module to the control flow of solenoid valve roughly is, send an electric signal earlier to first solenoid valve, thereby open the pipeline that is communicated with the high-pressure air source and first cylinder, the gases at high pressure of high-pressure air source just enter in first cylinder, move down the final pull-up operation that realizes first button thereby promote the first piston bar; After the pull-up operation of first button was finished, control module was controlled the pipeline between the first closed electromagnetic valve high-pressure air source and first cylinder, and the interior gases at high pressure of first cylinder this moment disappear; Control second solenoid valve then and open pipeline between the high-pressure air source and second cylinder, gases at high pressure are entered in second cylinder, move down thereby promote second piston rod, finally finish the operation of pressing first button, close second solenoid valve then; Open first solenoid valve again, close first solenoid valve, open second solenoid valve, close second solenoid valve, so constantly repeat, so also just the realization of repetition pull-up, the push of first button, simulated the repetitive operation of finger to first button.Pre-set control module is controlled the frequency of first, second solenoid valve disconnection and break-make, so just can draw the break-make number of times of solenoid valve according to the working time of whole device, and the break-make number of times of solenoid valve pushes with cylinder piston or the number of times of pull-up master switch button is consistent.The utility model also is provided with fictitious load, fictitious load is electrically connected with master switch first button 31, when first button 31 is pressed or has just connected the circuit of fictitious load during pull-up, thereby press or fictitious load operate as normal during pull-up at first button, if first button is because of pressing or the number of times of pull-up is too much when damaging, it just can not be communicated with the circuit of fictitious load again, thereby press or during pull-up first button fictitious load will no longer work, so can judge just according to the duty of fictitious load whether first button 31 damages in the process of test; For ease of observing, the preferred described fictitious load of present embodiment is an electric light, and when first button 31 is pressed or during pull-up, bad if first button 31 does not have, then electric light is bright, otherwise electric light does not work; When electric light is no longer bright, the break-make frequency of T.T. of working according to whole device and pre-set solenoid valve draws that the master switch button is pressed or the number of times of pull-up, this number of times numerical value just is the number of times of pressing of can reaching of first button or pull-up, can judge the permanance of first button according to this numerical value; Because in general, the numerical value of the switch number of times that the button of always opening can reach is bigger, therefore it can reach in test presses or accurate data very during the number of times of pull-up, the difference of the number of times of a little is also little to the tests affect of the permanance of master switch button, so it is not improper that the utility model draws the number of times of the pressing of master switch button or pull-up to the record of whole device working time according to electric light when no longer bright, thereby can realize test to the permanance of master switch first button.
As preferably, the utility model also is provided with display unit, display unit is electrically connected with control module, after control module finishes the operation that once switches on and off respectively for first, second solenoid valve of control, the shown numerical value of control module control display unit increases one, so the shown numerical value of display unit is that first button is finished and pressed or the number of times of pull-up.So, just, can when not working, electric light directly find out pressing or the number of times of pull-up of master switch button.
After the test of finishing first button, first button is removed from load circuit, the position at place when changing column 4 and changing the position of master switch on the stand upper surface in the position of stand upper surface 1 and make second button 32 move to 31 tests of first button, and simultaneously second button 32 is linked in the middle of the load circuit, start from then second button is tested; After finishing the test of second button 32, respectively the 3rd, the 4th button is tested again.After finishing test, just can judge the permanance of master switch, in general with the durability test result of the poorest that button of permanance as master switch according to four buttons permanance separately to all four buttons of master switch.
As preferably, in the end of second blade 52 of seesaw 5 right cylinder 54 is set, this circle pile body 54 is by a rotating end that is arranged on second blade 52, and this is fixed on the end of second blade and parallel with the rotating shaft 53 of seesaw 5.
By end one rotating round pile body is set at second blade, therefore when upwards boosting first button of master switch, the end of second blade directly contacts with first button by right cylinder, in the process that first button moves upward, relative first button of right cylinder produces rolling movement, thereby has reduced the wearing and tearing to first button.
As preferably, as shown in Figure 3, second button 32 at master switch, the 3rd button 33, the 4th button 34 top branch separately also is not provided with second, the 3rd, the 4th seesaw (8,9,10), described second, the 3rd, the 4th seesaw (8,9,10) structure is identical with the structure of first seesaw 5, and the rotating shaft of first seesaw 5 and second seesaw 8 is located along the same line, the rotating shaft of the 3rd seesaw 9 and the 4th seesaw 10 is located along the same line, therefore preferably with first, second seesaw (5,8) rotating shaft is made as same rotating shaft, with the 3rd, the 4th seesaw (9,10) rotating shaft is made as same rotating shaft; This second, third, the 4th seesaw (8,9,10) is identical with the relative position relation between first seesaw 5 and first button 31 with the relative position relation of each self-corresponding master switch button, promptly also satisfy when second, third, the 4th seesaw (8,9,10) just can be respectively when rotating with second, third, the 4th button (32,33,34) upwards boosts, thereby anthropomorphic dummy's finger to second, third, the pull-up of the 4th button (32,33,34) operates; At second, third, the top of the 4th seesaw (8,9,10) also is respectively equipped with a cylinder, promptly be respectively the 3rd, the 5th, the 7th cylinder (11,12,13), the structure of these three cylinders is identical with the structure of first cylinder 6, and first cylinder 6, the 3rd cylinder 11, the 5th cylinder 12, the 7th cylinder 13 all are positioned at sustained height; In the time of in gases at high pressure enter into the 3rd, the 5th, the 7th cylinder (11,12,13), these three cylinders piston rod separately will move down and promote corresponding seesaw and rotate, and each whole seesaw can upwards boost corresponding button.Second, the 3rd, also be respectively equipped with the 4th directly over the 4th button, the 6th, the 8th cylinder (14,15,16), the structure of these three cylinders is identical with the structure of first cylinder 6, and second cylinder 7, four-cylinder 14, the 6th cylinder 15 and the 8th cylinder 16 are positioned at sustained height, enter into the 4th as gases at high pressure, the 6th, the 8th cylinder (14,15, when 16) interior, these three cylinders piston rod separately will move down and promote second respectively, the 3rd, the 4th button (32,33,34) move down, to realize that anthropomorphic dummy's finger is to second, the 3rd, the 4th button (32,33,34) the operation of pressing.As preferably, the first, the 3rd cylinder (6,11) is located on the same cylinder saddle, with second, four-cylinder (7,14) is located on the same cylinder saddle, the the 5th, the 7th cylinder (12,13) is located on the same bearing, the 6th, the 8th cylinder (15,16) is located on the same cylinder saddle.Three, the 4th, the 5th, the 6th, the 7th, the 8th cylinder all has corresponding pipeline to be communicated with high-pressure air source respectively, in every pipeline, all be provided with the solenoid valve of controlled unit controls, thereby control module is controlled the break-make control of each solenoid valve realization to every pipeline; Fictitious load is electrically connected respectively with four buttons of master switch, and promptly each button and fictitious load all form a closed loop circuit, so the pull-up of each button or press the circuit that can both connect fictitious load and make its work.
According to above-mentioned preferred version, control module is connected the ducted solenoid valve that first cylinder 6 links to each other with high-pressure air source earlier during test, gases at high pressure are entered in first cylinder 6, thereby make the piston rod of first cylinder 6 produce impetus to first seesaw 5, final first seesaw 5 upwards boosts first button 31, thereby anthropomorphic dummy's finger is pulled upwardly first button, and control module is closed and is communicated with first cylinder and the ducted solenoid valve of high-pressure air source then; Open the ducted solenoid valve that is communicated with second cylinder 7 and high-pressure air source again, gases at high pressure are entered in second cylinder 7, thereby the piston rod of second cylinder 7 is pushed first button 31 downwards, thereby the anthropomorphic dummy points and presses first button 31 downwards, closes the ducted solenoid valve that is communicated with second cylinder 7 and high-pressure air source then.Control module is connected the ducted solenoid valve that the 3rd cylinder 11 links to each other with high-pressure air source then, gases at high pressure are entered in the 3rd cylinder 11, thereby make the piston rod of the 3rd cylinder 11 produce impetus to second seesaw 8, final second seesaw 8 upwards boosts second button 32, thereby anthropomorphic dummy's finger is pulled upwardly second button 32, and control module is closed and is communicated with the 3rd cylinder 11 and the ducted solenoid valve of high-pressure air source then; Open the ducted solenoid valve that is communicated with four-cylinder 14 and high-pressure air source again, gases at high pressure are entered in the four-cylinder 14, thereby the piston rod of four-cylinder 14 is pushed second button 32 downwards, thereby the anthropomorphic dummy points and presses second button 32 downwards, and control module is closed the ducted solenoid valve that is communicated with four-cylinder 14 and high-pressure air source then.Control module is connected the ducted solenoid valve that the 5th cylinder 12 links to each other with high-pressure air source then, gases at high pressure are entered in the 5th cylinder 12, thereby make the piston rod of the 5th cylinder 12 produce impetus to the 3rd seesaw 9, final the 3rd seesaw 9 upwards boosts the 3rd button 33, thereby anthropomorphic dummy's finger is pulled upwardly the 3rd button 33, and control module is closed and is communicated with the 5th cylinder 12 and the ducted solenoid valve of high-pressure air source then; Open the ducted solenoid valve that is communicated with the 6th cylinder 15 and high-pressure air source again, gases at high pressure are entered in the 6th cylinder 15, thereby the piston rod of the 6th cylinder 15 is pushed the 3rd button 33 downwards, thereby anthropomorphic dummy's finger is pressed the 3rd button 33, closes the ducted solenoid valve that is communicated with the 6th cylinder and high-pressure air source then.Control module is connected the ducted solenoid valve that the 7th cylinder 13 links to each other with high-pressure air source then, gases at high pressure are entered in the 7th cylinder 13, thereby make the piston rod of the 7th cylinder 13 produce impetus to the 4th seesaw 10, final the 4th seesaw 10 upwards boosts the 4th button 34, thereby anthropomorphic dummy's finger is pulled upwardly the 4th button 34, and control module is closed and is communicated with the 7th cylinder 13 and the ducted solenoid valve of high-pressure air source then.Open the ducted solenoid valve that is communicated with the 8th cylinder 16 and high-pressure air source then, gases at high pressure are entered in the 8th cylinder 16, thereby the piston rod of the 8th cylinder 16 is pushed the 4th button 34 downwards, thereby anthropomorphic dummy's finger is pressed the 4th button 34, closes the ducted solenoid valve that is communicated with the 8th cylinder and high-pressure air source then.Said process is a test process to four buttons of master switch, and when finishing a this test process, the numerical value of control module control display unit increases one.When certain button at the testing total switch, no matter be that this button is by pull-up downwards, still be urged downwardly, fictitious load all can not be worked normally, can judge that then this button damages, just can read the shown data of coming out of display unit this moment, the size of these data has promptly shown the quality of the permanance of master switch.
Such scheme is to four tests that button is continuous of master switch, thereby avoided need changing when respectively each button being tested separately the fixed position of master switch, and the test duration is shorter, and efficient is higher.
The foregoing description only is for the utility model is described, rather than to restriction of the present utility model.Those skilled in the art will appreciate that the utility model also can have many modification under the prerequisite that does not break away from the utility model design.
Claims (5)
1. the device for testing endurance of an automobile master switch, it is characterized in that, comprise stand, first cylinder, second cylinder, first cylinder saddle, second cylinder saddle, first seesaw, control module, fictitious load, column, described stand has a upper surface and from the upwardly extending vertical wall of upper surface, master switch is fixed on the upper surface of stand by column; Described first seesaw comprises first blade and second blade that is fixed together, and by the rotating shaft that is located at first, second blade intersection on the rotating vertical wall that is supported on stand, the end of second blade is positioned at the below of first button of master switch, and the angle towards the stand upper surface between described first blade and second blade is the obtuse angle; Described first cylinder saddle is fixed on the vertical wall of stand, first cylinder is fixed on first cylinder saddle and is positioned at first blade top, thereby described first cylinder has one can move around vertically and can promote the first piston bar that first blade rotates first seesaw around the shaft, described second cylinder saddle is fixed on the vertical wall of stand, described second cylinder is fixed on second cylinder saddle and is positioned at the top of first button, and second cylinder has second piston rod that can move around vertically and can push first button; Described control module is controlled the motion of first, second cylinder piston rod, thereby described fictitious load is electrically connected the state that detects master switch with master switch.
2. the device for testing endurance of automobile master switch according to claim 1 is characterized in that, also comprises display unit, and described control module control display unit shows the upper and lower times of exercise of first, second piston rod.
3. the device for testing endurance of automobile master switch according to claim 1 is characterized in that, described fictitious load is an electric light.
4. the device for testing endurance of automobile master switch according to claim 1 is characterized in that, rotate the end of second blade of described seesaw is provided with a right cylinder, described cylindrical axis and described shaft parallel.
5. according to the device for testing endurance of the described automobile master switch of above arbitrary claim, it is characterized in that, second button of described master switch, the 3rd button, the 4th button top separately are respectively equipped with a cylinder that can push the corresponding button, and the cylinder that also is respectively equipped with a seesaw and promotes each seesaw downwards; Described first, second, third, fourth button and to connect be a circuit in parallel, described parallel circuit is electrically connected with fictitious load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201341826U CN201438147U (en) | 2009-07-22 | 2009-07-22 | Durability test device of automobile master switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201341826U CN201438147U (en) | 2009-07-22 | 2009-07-22 | Durability test device of automobile master switch |
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| Publication Number | Publication Date |
|---|---|
| CN201438147U true CN201438147U (en) | 2010-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201341826U Expired - Lifetime CN201438147U (en) | 2009-07-22 | 2009-07-22 | Durability test device of automobile master switch |
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| CN (1) | CN201438147U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995549A (en) * | 2010-10-21 | 2011-03-30 | 浙江吉利汽车研究院有限公司 | Control switch durability testing device |
| CN102004171A (en) * | 2010-11-16 | 2011-04-06 | 浙江吉利汽车研究院有限公司 | Automobile combined switch durability test device |
| CN103234740A (en) * | 2013-04-10 | 2013-08-07 | 江苏省优联工业试验服务有限公司 | Device for switch high-low temperature duration tests |
| CN110988569A (en) * | 2019-12-26 | 2020-04-10 | 深圳天祥质量技术服务有限公司 | Dynamic electronic product durability testing device |
-
2009
- 2009-07-22 CN CN2009201341826U patent/CN201438147U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995549A (en) * | 2010-10-21 | 2011-03-30 | 浙江吉利汽车研究院有限公司 | Control switch durability testing device |
| CN101995549B (en) * | 2010-10-21 | 2013-04-24 | 浙江吉利汽车研究院有限公司 | Control switch durability testing device |
| CN102004171A (en) * | 2010-11-16 | 2011-04-06 | 浙江吉利汽车研究院有限公司 | Automobile combined switch durability test device |
| CN102004171B (en) * | 2010-11-16 | 2012-10-10 | 浙江吉利汽车研究院有限公司 | Automobile combined switch durability test device |
| CN103234740A (en) * | 2013-04-10 | 2013-08-07 | 江苏省优联工业试验服务有限公司 | Device for switch high-low temperature duration tests |
| CN103234740B (en) * | 2013-04-10 | 2016-06-29 | 江苏省优联工业试验服务有限公司 | Device for switch high-low temperature durable test |
| CN110988569A (en) * | 2019-12-26 | 2020-04-10 | 深圳天祥质量技术服务有限公司 | Dynamic electronic product durability testing device |
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| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20100414 |