CN102608020A - Key testing device - Google Patents
Key testing device Download PDFInfo
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- CN102608020A CN102608020A CN2011100227774A CN201110022777A CN102608020A CN 102608020 A CN102608020 A CN 102608020A CN 2011100227774 A CN2011100227774 A CN 2011100227774A CN 201110022777 A CN201110022777 A CN 201110022777A CN 102608020 A CN102608020 A CN 102608020A
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Abstract
The invention provides a key testing device comprising a work table, a driving mechanism, a supporting mechanism and a testing mechanism, wherein the driving mechanism comprises a first driving unit and a second driving unit; the second driving unit is arranged on the first driving unit, and driven by the first driving unit to move along a first direction; a product to be tested is arranged on the second driving unit and driven by the second driving unit to move along a second direction perpendicular to the first direction; the supporting mechanism comprises two uprights arranged on two sides of the work table and a cross beam connected between the two uprights; the testing mechanism comprises a plurality of testing cylinders; each testing cylinder comprises a cylinder body and a piston; the cylinder body is fixed to the cross beam; one end of the piston is received in the cylinder body in a retractable manner, while the other end thereof is fixed with a corresponding press part; and the piston is controlled by the cylinder body to reciprocate along a third direction perpendicular to the first direction and the second direction, and causes the press part to be pressed on the product to be tested by certain force.
Description
Technical field
The present invention relates to a kind of electronic equipment proving installation, relate in particular to a kind of electronic equipment key testing device.
Background technology
Key panel is as the input equipment of electronic equipments such as mobile phone, computer, game machine, and the good and bad operation that directly influences electronic equipment of its quality is so need carry out performance test to each button on the key panel usually in process of producing product.
Traditional key-press functional test operation is generally adopted artificial pressing keys and is tested.This kind mode is not only time-consuming takes a lot of work, testing efficiency is low, and since manual work when pushing the dynamics size inconsistent, cause unnecessary loss easily, and be difficult for obtaining test result accurately.
Summary of the invention
In view of this, be necessary the key testing device that provides a kind of efficient higher.
A kind of key testing device; Comprise worktable, driving mechanism, supporting mechanism and mechanism for testing, said driving mechanism comprises first driver element and second driver element, and said first driver element is arranged on the said worktable; Said second driver element is arranged on said first driver element; And one first direction moves in the driving lower edge of said first driver element, and product to be measured is positioned on said second driver element, and moves perpendicular to the second direction of said first direction in the driving lower edge of said second driver element; Said supporting mechanism comprises two columns that are arranged at the worktable both sides and is connected in the crossbeam between two columns; Said mechanism for testing comprises a plurality of tested cylinder, and each tested cylinder comprises cylinder body and piston, and this cylinder body is fixed on the said crossbeam; One end telescopically of said piston is placed in the cylinder body; The other end then is fixed with corresponding press section, and the third direction perpendicular to said first direction and second direction moves back and forth this piston in the control lower edge of this cylinder body, and this press section is pressed on the said product to be measured with certain dynamics.
Key testing device of the present invention makes the key testing device can be implemented in the two-dimensional space and moves, thereby apace a plurality of test points on the same key panel are measured through this driving mechanism is set.
Description of drawings
Fig. 1 is the decomposing schematic representation of the key testing device of preferred embodiments of the present invention.
Fig. 2 is the decomposing schematic representation of driving mechanism in the key testing device shown in Figure 1.
Fig. 3 is the decomposing schematic representation under another angle of driving mechanism in the key testing device shown in Figure 1.
Fig. 4 is the assembling synoptic diagram of key testing device shown in Figure 1.
The main element symbol description
| The |
100 |
| |
10 |
| |
20 |
| |
30 |
| Mechanism for |
40 |
| Regulon | 50 |
| |
60 |
| |
21 |
| First driver element | 22 |
| |
23 |
| |
31 |
| Crossbeam | 32 |
| Tested |
41 |
| |
51 |
| |
52 |
| |
53 |
| Base | 221 |
| First ball-screw | 222 |
| |
223 |
| |
224 |
| Sliding |
225 |
| The |
231 |
| Second ball- |
232 |
| |
233 |
| |
234 |
| Supporting |
235 |
| The |
236 |
| |
237 |
| |
321 |
| |
322 |
| Containing |
323 |
| |
411 |
| Piston | 412 |
| The |
413 |
| Elastic | 414 |
| |
2211 |
| |
2251 |
| Sliding |
2252 |
| The department of |
2253 |
| Fitting recess | 2254 |
| Supported hole | 2311 |
| |
235a |
| Loading |
235b |
| |
2351 |
| Connecting |
2352 |
| |
2353 |
| |
2354 |
| Installing |
2371 |
| Bearing | 2372 |
| |
2373 |
Embodiment
Please consult Fig. 1 in the lump, preferred embodiments of the present invention provides a kind of key testing device 100, comprises worktable 10, driving mechanism 20, supporting mechanism 30, mechanism for testing 40, regulon 50 and control module 60.
Please consult Fig. 2 and Fig. 3 in the lump, said worktable 10 is the casing shape, and this driving mechanism 20 is arranged on the top of this worktable 10, comprises base plate 21, first driver element 22 and second driver element 23.This base plate 21 is roughly rectangular tabular, and it is fixed on the tip position of said worktable 10.This first driver element 22 is arranged on this base plate 21, comprises two bases 221, first ball-screw 222, first motor 223, two slide rails 224 and sliding part 225.This two base 221 is fixed on this base plate 21, and vertically this base plate 21 is provided with.Two bases 221 are oppositely arranged, and offer a rotation hole 2211 on each base 221, and said rotation hole 2211 connects this base 221.Said first ball-screw 222 roughly is cylindric, and its physical dimension is corresponding with this rotation hole 2211, is used to be arranged in this rotation hole 2211.The surface of this first ball-screw 222 also is provided with some screw threads (figure does not show).This first motor 223 can be existing servomotor, and an end of this first ball-screw 222 is set on the transmission shaft (figure does not show) of this first motor 223 coaxially, is used under the driving of this first motor 223, in said rotation hole 2221, rotates.
The roughly rectangular strip of this slide rail 224, both are separately positioned on the both sides of this base 221, and laterally arrange with this first ball-screw 222.This sliding part 225 is roughly rectangular tabular; Its surperficial medium position towards this slide rail 224 is provided with a slide block 2251; Offer the sliding eye 2252 of a perforation on this slide block 2251; The inwall of this sliding eye 2252 is provided with screw thread (figure do not show), be used for said slide block 2251 is arranged in first ball-screw 222, and with this first ball-screw 222 on threads engaged.The both sides of this slide block 2251 are respectively arranged with at least one department of assembly 2253; The roughly rectangular bulk in said department of assembly 2253; Its bottom away from this sliding part 225 is provided with and slide rail 224 shapes and the corresponding fitting recess 2254 of structure; Be used for matching, this sliding part 225 is installed in slidably on the corresponding slide rail 224 with this slide rail 224.So; When said first ball-screw 222 when in said rotation hole 2211, rotating under the control of this first motor 223; To drive this slide block 2251 and slide, and then drive said slide rail 224 slips in sliding part 225 edges that link to each other with this slide block 2251 along said first ball-screw 222.
This second driver element 23 is arranged on this sliding part 225, can under the driving of this first driver element 22, slide along the X-direction of O-XYZ rectangular coordinate system shown in Figure 4.This second driver element 23 comprises two support portions 231, second ball-screw 232, second motor 233, two guide rails 234 and supporting part 235.This support portion 231 is installed on this sliding part 225 surface away from base plate 21, and vertically this sliding part 225 is provided with.Two support portions 231 are oppositely arranged, and offer a supported hole 2311 on each support portion 231, and said supported hole 2311 connects this support portion 231.Said second ball-screw 232 roughly is cylindric, and its physical dimension is corresponding with this supported hole 2311, be used to be arranged in this supported hole 2311, and with these first ball-screw, 222 vertical settings.These second ball-screw, 232 surfaces are provided with some screw threads (figure does not show).This second motor 233 can be existing servomotor, and an end of this second ball-screw 232 is set on the transmission shaft (figure does not show) of this second motor 233 coaxially, is used under the driving of this second motor 233, in said supported hole 2311, rotates.
This guide rail 234 roughly is the vertical bar shape, and both are separately positioned on the both sides of this support portion 231, and laterally arranges with this second ball-screw 232.This supporting part 235 is roughly rectangular tabular, comprises slipping plane 235a and loading end 235b relative with this slipping plane 235a and that be arranged in parallel.The medium position of this slipping plane 235a is provided with a contiguous block 2351; Offer the connecting hole 2352 of a perforation on this contiguous block 2351; The inwall of this connecting hole 2352 is provided with screw thread (figure does not show); Be used for said contiguous block 2351 is arranged in second ball-screw 232, and with this second ball-screw 232 on threads engaged.The both sides of this contiguous block 2351 are respectively arranged with at least one installation portion 2353; The roughly rectangular bulk of said installation portion 2353; Its bottom away from this supporting part 235 is provided with and guide rail 234 shapes and the corresponding mounting groove 2354 of structure; Be used for matching, this supporting part 235 is installed in slidably on the corresponding guide rail 234 with this guide rail 234.So; When said second ball-screw 232 when in said supported hole 2311, rotating under the control of this second motor 233; To drive this contiguous block 2351 slides along said second ball-screw 232; And then drive said guide rail 234 slips in supporting part 235 edges that link to each other with this contiguous block 2351, promptly slide along the Y direction of O-XYZ rectangular coordinate system shown in Figure 4.Said loading end 235b goes up to divide has a plurality of bearing areas 236, all can place a bearing fixture (figure does not show) in each bearing area 236, and this bearing fixture is used to carry key panel to be tested.
This second driver element 23 also can comprise two buffer part 237, and said buffer part 237 is separately positioned on the outside of said guide rail 234.Each buffer part 237 comprises two installing plates 2371 and bearing 2372.This two installing plate 2371 relatively and be arranged in parallel, this bearing 2372 is installed between this installing plate 2371 through a rotating shaft 2373 rotationally.When this supporting part 235 slided along said second guide rail 234, this buffer part 237 was used to support this supporting part 235, and reduced the friction that this supporting part 235 produces when said second guide rail 234 slides.
Please consult Fig. 1 once more, this supporting mechanism 30 comprises two columns 31 and the crossbeam 32 of being located on the worktable 10 and being positioned at worktable 10 both sides.This column 31 is separately fixed at the both sides of said driving mechanism 20, and vertically this worktable 10 is provided with.The roughly rectangular strip of this crossbeam 32, it is connected between the top of this two column 31, and constitutes the structure that roughly is " ㄇ " shape with this column 31.The medium position of this crossbeam 32 be provided with one roughly be the strip plate body dividing plate 321, said dividing plate 321 vertical these crossbeams 32 are provided with, and this crossbeam 32 is divided into two test zones 322.Offer at least one containing hole 323 in each test zone 322.
This mechanism for testing 40 comprises a plurality of tested cylinder 41, and these a plurality of tested cylinder 41 are divided into two groups, is placed in respectively in the containing hole 323 in the corresponding test zone 322.Each tested cylinder 41 comprises cylinder body 411 and piston 412.This cylinder body 411 is fixed in the said containing hole 323.One end telescopically of said piston 412 is placed in the cylinder body 411, and the other end then passes corresponding containing hole 323, and exposes from the side near said driving mechanism 20.This piston 412 is fixed with corresponding press section 413 away from the end of cylinder body 411.This piston 412 can be in the control lower edge of this cylinder body 411 Z-direction of O-XYZ rectangular coordinate system shown in Figure 4 move back and forth up and down, and this press section 413 is pressed on the key panel to be tested with predetermined dynamics.
Be appreciated that the elastic 414 that the outside also sheathed of this press section 413 is processed by the plastics elastomeric material, be used to avoid the 413 pairs of key panels in press section to cause non-fatigue breakdown.
This regulon 50 is arranged on the side of this worktable 10, comprises one group of air pressure regulator 51, reaches and the corresponding rain glass 53 of air pressure regulator 51 quantity with the corresponding starting switch 52 of air pressure regulator 51 quantity.In the present embodiment, the quantity of this group air pressure regulator 51 is 10, all is used to regulate the dynamics that presses down of said tested cylinder 41.Through regulating each air pressure regulator 51 respectively, can make these tested cylinder 41 that adjustable dynamics (like 3Kg-50Kg) that presses down is provided, to adapt to dissimilar key panels.When each air pressure regulator 51 all regulate finish after, can put on respectively on the key panel of respective type with different dynamics to control this tested cylinder 41 through starting corresponding starting switch 52 respectively.This rain glass 53 is used to show the dynamics that the presses down value of tested cylinder 41.
This control module 60 can be a contact panel; Be arranged on the side of this worktable 10; Be used to let operator's input of control commands; Like the compression number of 100 pairs of key panels of key testing device, the size of pushing dynamics and compression frequency etc., and test result or control command shown accordingly.
Please consult Fig. 4 in the lump; In the time need testing to the key panel of portable electron device; At first a plurality of these key panels to be tested are placed in respectively in the corresponding bearing fixture, and should be positioned over respectively in the corresponding bearing area 236 by a plurality of bearing fixtures.Then, select starting switch 52 with corresponding pressing dynamics according to the required dynamics of pushing of bearing of key panel to be measured.For example, when the dynamics of pushing that need bear when this group key panel to be tested is 3Kg, then find to show and push the rain glass 53 that the dynamics value is 3Kg.Restart and this rain glass 53 corresponding starting switches 52, so that tested cylinder 41 presses on the wherein button of this key panel to be measured with certain dynamics of pushing (3Kg).Then start this driving mechanism 20; Make these a plurality of key panels to be measured move at X axle shown in the figure of the driving lower edge of this driving mechanism 20 and Y direction; So that this tested cylinder 41 pushes the residue button of this key panel to be measured with the identical dynamics of pushing (3Kg) successively, and then all buttons of this key panel are all tested.At last test result being sent to this control module 60 shows.
Be appreciated that key testing device 100 of the present invention can test dissimilar key panels.During test; Only need the bearing fixture dissimilar according to key panel type selecting to be measured; And bearing fixture is positioned in the corresponding bearing area 236, operate corresponding starting switch 52 according to the required dynamics of pushing of bearing of this key panel to be measured simultaneously and get final product.In addition, key testing device 100 of the present invention once can be tested a plurality of key panels, and testing efficiency is higher, and easy for installation.
Be appreciated that the base plate 21 in the key testing device 100 of the present invention can omit, and said first driver element 22 is set directly on this worktable 10.
Obviously, key testing device 100 of the present invention makes key testing device 100 can be implemented in the two-dimensional space and moves, thereby apace a plurality of test points on the same key panel are measured through this driving mechanism 20 is set.
Claims (11)
1. key testing device; Be used for electronic product is carried out the button performance test; It is characterized in that: said key testing device comprises worktable, driving mechanism, supporting mechanism and mechanism for testing, and said driving mechanism comprises first driver element and second driver element, and said first driver element is arranged on the said worktable; Said second driver element is arranged on said first driver element; And one first direction moves in the driving lower edge of said first driver element, and said product to be measured is positioned on said second driver element, and moves perpendicular to the second direction of said first direction in the driving lower edge of said second driver element; Said supporting mechanism comprises two columns that are arranged at the worktable both sides and is connected in the crossbeam between two columns; Said mechanism for testing comprises a plurality of tested cylinder, and each tested cylinder comprises cylinder body and piston, and this cylinder body is fixed on the said crossbeam; One end telescopically of said piston is placed in the cylinder body; The other end then is fixed with corresponding press section, and the third direction perpendicular to said first direction and second direction moves back and forth this piston in the control lower edge of this cylinder body, and this press section is pressed on the said product to be measured with certain dynamics.
2. key testing device as claimed in claim 1 is characterized in that: this first driver element comprises two bases, first ball-screw, first motor and sliding part, and this two base is fixed on this worktable; Offer a rotation hole on each base; Said first ball-screw is cylindric, is arranged in this rotation hole, and this sliding part is provided with a slide block; Offer a sliding eye on this slide block; Be used for said slide block is arranged in first ball-screw, an end of this first ball-screw is set on this first drive axle of motor coaxially, is used under the driving of this first motor; In said rotation hole, rotate, and then promote said slide block along said first ball-screw slip.
3. key testing device as claimed in claim 2; It is characterized in that: this first driver element comprises two slide rails, and this slide rail is separately positioned on the both sides of this base, and laterally arranges with this first ball-screw; The both sides of this slide block are respectively arranged with at least one department of assembly; Said department of assembly is provided with and the corresponding fitting recess of slide rail away from the bottom of sliding part, is used for matching with this slide rail, this sliding part is installed in slidably on the corresponding slide rail.
4. key testing device as claimed in claim 2 is characterized in that: this second driver element comprises two support portions, second ball-screw, second motor and supporting part, and this support portion relatively and vertically this sliding part is provided with; Offer a supported hole on each support portion, said second ball-screw is cylindric, is arranged in this supported hole; And first ball-screw is vertical is provided with this, and this supporting part comprises slipping plane, and this slipping plane is provided with a contiguous block; Offer connecting hole on this contiguous block; Be used for said contiguous block is arranged in second ball-screw, an end of this second ball-screw is set on this second drive axle of motor coaxially, is used under the driving of this second motor; In said supported hole, rotate, and then promote said contiguous block along said second ball-screw slip.
5. key testing device as claimed in claim 4; It is characterized in that: this second driver element comprises two guide rails, and this guide rail is separately positioned on the both sides of this support portion, and laterally arranges with this second ball-screw; The both sides of this contiguous block are respectively arranged with at least one installation portion; The bottom of said installation portion is provided with and the corresponding mounting groove of guide rail, is used for matching with this guide rail, this supporting part is installed in slidably on the corresponding guide rail.
6. key testing device as claimed in claim 4; It is characterized in that: this supporting part comprises loading end relative with this slipping plane and that be arranged in parallel; Divide on the said loading end a plurality of bearing areas are arranged; All place a bearing fixture in each bearing area, this bearing fixture is used to carry said product to be measured.
7. key testing device as claimed in claim 5; It is characterized in that: said second driver element comprises two buffer part; Said buffer part is arranged on the outside of said guide rail respectively; Comprise two installing plates and bearing, this two installing plate relatively and be arranged in parallel, this bearing is installed between this installing plate through a rotating shaft rotationally.
8. key testing device as claimed in claim 1 is characterized in that: the medium position of said crossbeam is provided with a dividing plate, and this crossbeam of said divider upright is provided with; And this crossbeam is divided into two test zones; Offer at least one containing hole in each test zone, these a plurality of tested cylinder are divided into two groups, and each cylinder body is fixed in this containing hole; One end telescopically of this piston is placed in the cylinder body; The other end then passes corresponding containing hole, and exposes from the side near said driving mechanism, and said press section is fixed on the end of said piston away from cylinder body.
9. key testing device as claimed in claim 1 is characterized in that: the also sheathed elastic in the outside of said press section.
10. key testing device as claimed in claim 1; It is characterized in that: said key testing device comprises regulon; Said regulon is arranged on this worktable, comprises one group of air pressure regulator, quantity and the corresponding starting switch of air pressure regulator quantity and quantity and the corresponding rain glass of air pressure regulator quantity, and this group air pressure regulator all is used to regulate the dynamics that presses down of said tested cylinder; When each air pressure regulator all regulate finish after; Through starting corresponding starting switch respectively, put on respectively with different dynamics on the key panel of respective type to control this tested cylinder, this rain glass is used to show the dynamics that the presses down value of tested cylinder.
11. key testing device as claimed in claim 1 is characterized in that: said key testing device comprises control module, and this control module is arranged on this worktable, is used for input of control commands, and test result or control command are shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100227774A CN102608020A (en) | 2011-01-20 | 2011-01-20 | Key testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100227774A CN102608020A (en) | 2011-01-20 | 2011-01-20 | Key testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102608020A true CN102608020A (en) | 2012-07-25 |
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ID=46525578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100227774A Pending CN102608020A (en) | 2011-01-20 | 2011-01-20 | Key testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102608020A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944437A (en) * | 2012-11-01 | 2013-02-27 | 惠州Tcl移动通信有限公司 | Sliding test machine for electronic equipment |
| CN104101830A (en) * | 2013-04-15 | 2014-10-15 | 广达电脑股份有限公司 | Keyboard testing machine |
| CN105606347A (en) * | 2015-10-27 | 2016-05-25 | 昆山洺九机电有限公司 | Laptop keyboard detector |
| CN105699891A (en) * | 2016-03-29 | 2016-06-22 | 青岛海信电器股份有限公司 | Button testing device |
| CN105904471A (en) * | 2016-06-30 | 2016-08-31 | 奇瑞商用车（安徽）有限公司 | Special robot arm for remote control key spurious emission test and application method thereof |
| CN106198271A (en) * | 2016-08-30 | 2016-12-07 | 德凯宜特（昆山）检测有限公司 | A kind of key durance test device |
| CN107246960A (en) * | 2017-07-12 | 2017-10-13 | 重庆华数机器人有限公司 | A kind of key test system of button testing device and its composition |
| CN107436217A (en) * | 2016-05-28 | 2017-12-05 | 富泰华工业（深圳）有限公司 | Screen testing device |
| CN108398634A (en) * | 2017-02-08 | 2018-08-14 | 佛山市顺德区美的电热电器制造有限公司 | Automatic detection device and automatic testing method |
| CN109079493A (en) * | 2018-08-22 | 2018-12-25 | 宁波指南针软件有限公司 | A kind of Multifunction hook automatic assembly equipment |
| CN109580199A (en) * | 2018-12-12 | 2019-04-05 | 科堡科技（江苏）有限公司 | Testing device for service life of remote controller key |
| CN110987395A (en) * | 2019-12-03 | 2020-04-10 | 立讯智造(浙江)有限公司 | Multi-acupoint key rotation testing equipment and method |
| CN111239602A (en) * | 2020-03-27 | 2020-06-05 | 焦作大学 | Mechanical button life-span detects automation equipment |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944437B (en) * | 2012-11-01 | 2015-09-23 | 惠州Tcl移动通信有限公司 | A kind of sliding test machine of electronic equipment |
| CN102944437A (en) * | 2012-11-01 | 2013-02-27 | 惠州Tcl移动通信有限公司 | Sliding test machine for electronic equipment |
| CN104101830A (en) * | 2013-04-15 | 2014-10-15 | 广达电脑股份有限公司 | Keyboard testing machine |
| CN104101830B (en) * | 2013-04-15 | 2016-12-28 | 广达电脑股份有限公司 | Keyboard testing machine |
| CN105606347A (en) * | 2015-10-27 | 2016-05-25 | 昆山洺九机电有限公司 | Laptop keyboard detector |
| CN105699891B (en) * | 2016-03-29 | 2019-03-12 | 青岛海信电器股份有限公司 | Button testing device |
| CN105699891A (en) * | 2016-03-29 | 2016-06-22 | 青岛海信电器股份有限公司 | Button testing device |
| CN107436217A (en) * | 2016-05-28 | 2017-12-05 | 富泰华工业（深圳）有限公司 | Screen testing device |
| CN105904471A (en) * | 2016-06-30 | 2016-08-31 | 奇瑞商用车（安徽）有限公司 | Special robot arm for remote control key spurious emission test and application method thereof |
| CN105904471B (en) * | 2016-06-30 | 2018-01-16 | 奇瑞商用车（安徽）有限公司 | Remote-control key spurious emissions test special purpose machinery hand and its application method |
| CN106198271A (en) * | 2016-08-30 | 2016-12-07 | 德凯宜特（昆山）检测有限公司 | A kind of key durance test device |
| CN108398634A (en) * | 2017-02-08 | 2018-08-14 | 佛山市顺德区美的电热电器制造有限公司 | Automatic detection device and automatic testing method |
| CN107246960A (en) * | 2017-07-12 | 2017-10-13 | 重庆华数机器人有限公司 | A kind of key test system of button testing device and its composition |
| CN109079493A (en) * | 2018-08-22 | 2018-12-25 | 宁波指南针软件有限公司 | A kind of Multifunction hook automatic assembly equipment |
| CN109580199A (en) * | 2018-12-12 | 2019-04-05 | 科堡科技（江苏）有限公司 | Testing device for service life of remote controller key |
| CN110987395A (en) * | 2019-12-03 | 2020-04-10 | 立讯智造(浙江)有限公司 | Multi-acupoint key rotation testing equipment and method |
| CN111239602A (en) * | 2020-03-27 | 2020-06-05 | 焦作大学 | Mechanical button life-span detects automation equipment |
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Application publication date: 20120725 |