CN201289519Y - Key switch longevity test machine - Google Patents

Key switch longevity test machine Download PDF

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Publication number
CN201289519Y
CN201289519Y CNU2008201457404U CN200820145740U CN201289519Y CN 201289519 Y CN201289519 Y CN 201289519Y CN U2008201457404 U CNU2008201457404 U CN U2008201457404U CN 200820145740 U CN200820145740 U CN 200820145740U CN 201289519 Y CN201289519 Y CN 201289519Y
Authority
CN
China
Prior art keywords
slide block
keyswitch
connecting rod
testing machine
impact head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008201457404U
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Chinese (zh)
Inventor
杨小岚
杨振华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XIAMEN GOLDEN-SWITCH ELECTRONICS Co Ltd
Original Assignee
XIAMEN GOLDEN-SWITCH ELECTRONICS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XIAMEN GOLDEN-SWITCH ELECTRONICS Co Ltd filed Critical XIAMEN GOLDEN-SWITCH ELECTRONICS Co Ltd
Priority to CNU2008201457404U priority Critical patent/CN201289519Y/en
Application granted granted Critical
Publication of CN201289519Y publication Critical patent/CN201289519Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a testing device for the service life of an element, in particular to a testing device for the service life of a push-key switch. The utility model comprises a base, a case, a control circuit and a driving motor arranged in the case, a reciprocation drive mechanism arranged outside the case, a display screen and a control key. The testing device has the advantages that the service life test of the push-key switch under different strength can be carried out by adjusting different gears, the service life of the push-key switch under different current can be tested by adjusting a high-power adjustable resistance, and the self-clocking function of the gear can be achieved through a governor circuit composed of logic gate circuit so as to avoid trip stop. Therefore, the testing device is suitable for the mechanical or electric property service life test of different types of push-key switches.

Description

A kind of keyswitch life testing machine
Technical field
The utility model relates to the component life proving installation, relates in particular to the proving installation in keyswitch life-span.
Background technology
For guaranteeing the quality of keyswitch, push switch all need pass through life test, promptly by keyswitch being repeated push action to test its serviceable life.But conventional keys switch life proving installation is often at the design of single model keyswitch, and its compression frequency, dynamics gear are unadjustable usually, and a plurality of keyswitches are not tested simultaneously, and efficient is not high.
The utility model content
The purpose of this utility model is to provide a kind of to be had the different adjustment gear and can be applied to multiple keyswitch model, and can test the keyswitch endurance testing device of a plurality of keyswitches simultaneously.
For achieving the above object, the utility model adopts following technical scheme:
Keyswitch life testing machine of the present utility model includes: base, cabinet, be arranged at control circuit and drive motor in the cabinet, be arranged at cabinet outer reciprocating drive mechanism, display screen and operating key.More crucial,
Described reciprocating drive mechanism comprises:
Eccentric wheel, the to-and-fro movement of pulling connecting rod, and driven the drive motor that connects in it.
Connecting rod connects the eccentric wheel and first slide block.
First slide block is limited on the guide rail and connects with connecting rod, reciprocatingly slides in guide rail before and after driving by connecting rod.
Guide rail limits first slide block and second slide block and moves back and forth before and after trapped orbit.
Second slide block is driven in first slide block and is limited on the guide rail, and is connected with the impact head connecting rod.
The impact head connecting rod connects second slide block and impact head.
Impact head is fixed in the impact head connecting rod end, is used to impact the press section of keyswitch; Can be by changing different impact head with test different model keyswitch.
Locking block is used for fixing the gripping mechanism of keyswitch.
Described control circuit comprises at least:
Governor circuit is made up of the logic gate chip.
Counter module is used to count testing time and is electrically connected at governor circuit.
Power module is for control circuit and Test Switchboard button provide working power.
Adjustable current limliting module is used for circuit current limliting and adjustable.
Further, described drive motor is a direct current generator.
Further, between described first slide block and second slide block a connection piece is set also, this web member is through first slide block, the middle hole of second slide block.
Further, described impact head end face is provided with one or more shrinkage pool, and the shrinkage pool geomery is consistent with the press section of keyswitch.
Further, described logic gate chip be double D trigger, with door, Sheffer stroke gate and not gate, the circuit of its composition can be realized the gear auto-lock function, avoids trip stop.
Further, but described counting module is a plurality of presetting system 6 digit counters, the corresponding respectively corresponding Test Switchboard of each counter.
Further, the DC voltage-stabilizing Switching Power Supply that described power module is 5v, 12v, 24v, 0-50v are adjustable.
Further, described adjustable current limliting module is high-power adjustable resistance.
Adopt above-mentioned technical scheme, the utlity model has following advantage:
1. can regulate by different gears, realize the keyswitch life test of varying strength.
2. by the adjusting of high-power adjustable resistance, test the keyswitch life-span under the different electrical currents.
3. the governor circuit of forming by logic gates can be realized the gear auto-lock function, avoids the trip stop phenomenon.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is a circuit module figure of the present utility model;
Fig. 3 is circuit theory diagrams of the present utility model.
Label declaration:
Base 1
Cabinet 2 exhausting windows 21
Display screen 3
Reciprocating drive mechanism 4 eccentric wheels 41 connecting rods 42 first slide blocks 43
Guide rail 44 second slide blocks 45 impact head connecting rods 46 impact head 47
Locking block 48
Operating key 5
Embodiment
As shown in Figure 1, keyswitch life testing machine of the present utility model includes: base 1, cabinet 2, be arranged at control circuit and drive motor in the cabinet 2, be arranged at cabinet 2 outer reciprocating drive mechanism 4, display screen 3 and operating key 5.
Described reciprocating drive mechanism 4 comprises:
Eccentric wheel 41,42 to-and-fro movements of pulling connecting rod, and driven the drive motor that connects in it.Described drive motor is a direct current generator.Drive motor rotating speed scalable by rotating speed control interface regulation and control rotating speed, is rotated with friction speed thereby drive eccentric wheel 41.Also be provided with exhausting window 21 on the cabinet 2 at drive motor place, be used for fan heat.
Connecting rod 42 connects the eccentric wheel 41 and first slide block 43.Connecting rod 42 can be that curved arm rod also can be the straight-arm connecting rod, and the utility model preferred forms adopts the straight-arm connecting rod.
First slide block 43 is limited on the guide rail 44 and connects with connecting rod 42, reciprocatingly slides in guide rail 44 before and after driving by connecting rod 42.First slide block, 43 both sides are provided with orbit hole, are used to limit first slide block 43 and run on trapped orbit.
Guide rail 44 limits first slide block 43 and second slide block 45 and moves back and forth before and after trapped orbit.First slide block 43 and second slide block, 45 both sides are provided with orbit hole, and two backstays of guide rail 44 are smooth round bar, run through first slide block 43 respectively and second slide block, 45 both sides are provided with orbit hole.
Second slide block 45 is driven in first slide block 43 and is limited on the guide rail 44, and is connected with impact head connecting rod 46.Second slide block, 45 both sides are provided with orbit hole, are used to limit second slide block 45 and run on trapped orbit.
As shown in Figure 1, between described first slide block 43 and second slide block 45 a connection piece is set also, this web member is through the hole of first slide block 43, second slide block, 45 centres.
Impact head connecting rod 46 connects second slide block 45 and impact head 47.Impact head connecting rod 46 is promoted to advance by second slide block 45.
Impact head 47 is fixed in impact head connecting rod 46 ends, is used to impact the press section of keyswitch; But impact head 47 and 46 assembly and disassembly of impact head connecting rod, so can be by changing different impact head with test different model keyswitch.And described impact head 47 end faces are provided with one or more shrinkage pool, and the shrinkage pool geomery is consistent with the press section of keyswitch.
Locking block 48 is used for fixing the gripping mechanism of keyswitch.And the position of locking block 48 can be regulated, to adapt to the different key switchtype.
As shown in Figure 2, gear Selection Floater, presetting system 6 digit counters counting, the indication of measured switch test dress attitude, measured switch volometer, high-power adjustable current-limiting resistance and each Switching Power Supply all are electrically connected at the circuit of main control part.
As shown in Figure 3, described control circuit comprises at least:
Governor circuit is made up of the logic gate chip.Described logic gate chip be double D trigger CD4013, with door 74LS08, Sheffer stroke gate CD4011 and not gate 4069, the circuit of the logic function of its composition can be realized the gear auto-lock function, avoids trip stop.
Counter module is used to count testing time and is electrically connected at governor circuit.Further, but described counting module is a plurality of presetting system 6 digit counters.Tested keyswitch conducting pulse is taken from the pulse of counting, the corresponding respectively corresponding Test Switchboard of each counter.When the tested keyswitch life-span reaches capacity, can't use, promptly can't produce the conducting pulse again, then counter stops counting.
Power module is for control circuit and Test Switchboard button provide working power.Further, the DC voltage-stabilizing Switching Power Supply that described power module is 5v, 12v, 24v, 0-50v are adjustable.The DC voltage-stabilizing Switching Power Supply can directly be utilized the DC voltage-stabilizing switching power source chip.As produce 12v direct current of voltage regulation MC7812K, produce 5v direct current of voltage regulation MC7805K etc.Can certainly select other DC voltage-stabilizing switching power source chips for use.
Adjustable current limliting module is used for circuit current limliting and adjustable.The adjustable current limliting module of most preferred embodiment of the present utility model adopts simple high-power adjustable resistance.
The utility model can be tested the keyswitch life-span in two ways:
1, test mechanical life that powers up outside is not promptly back and forth pushed tested keyswitch by reciprocating drive mechanism 4 under the situation that does not add work voltage and electric current.
2, the test of the electrical endurance under powering up is outside promptly back and forth being pushed tested keyswitch under the energising by reciprocating drive mechanism 4 under the situation of external working voltage and electric current.And the utlity model has two voltage gears of conventional DC5V, DC12V, also be provided with the continuous adjustable voltage shelves of 0-50V in addition to satisfy some special test voltage requirements.By the current limliting module, working current shelves of the present utility model can be DC5V120mA shelves, DC12V50mA shelves, DC5V100mA shelves, and also can adjust 0-50V, the 0-1000mA shelves.

Claims (8)

1, a kind of keyswitch life testing machine, this device includes: base, cabinet, be arranged at control circuit and drive motor in the cabinet, be arranged at cabinet outer reciprocating drive mechanism, display screen and operating key; It is characterized in that:
Described reciprocating drive mechanism comprises:
Eccentric wheel, the to-and-fro movement of pulling connecting rod, and driven the drive motor that connects in it;
Connecting rod connects the eccentric wheel and first slide block;
First slide block is limited on the guide rail and connects with connecting rod, reciprocatingly slides in guide rail before and after driving by connecting rod;
Guide rail limits first slide block and second slide block and moves back and forth before and after trapped orbit;
Second slide block is driven in first slide block and is limited on the guide rail, and is connected with the impact head connecting rod;
The impact head connecting rod connects second slide block and impact head;
Impact head is fixed in the impact head connecting rod end, is used to impact the press section of keyswitch;
Locking block is used for fixing the gripping mechanism of keyswitch;
Described control circuit comprises at least:
Governor circuit is made up of the logic gate chip;
Counter module is used to count testing time and is electrically connected at governor circuit;
Power module is for control circuit and Test Switchboard button provide working power;
Adjustable current limliting module is used for circuit current limliting and adjustable.
2, keyswitch life testing machine as claimed in claim 1 is characterized in that: described drive motor is a direct current generator.
3, keyswitch life testing machine as claimed in claim 1 is characterized in that: between described first slide block and second slide block a connection piece is set also, this web member is through first slide block, the middle hole of second slide block.
4, keyswitch life testing machine as claimed in claim 1 is characterized in that: described impact head end face is provided with one or more shrinkage pool, and the shrinkage pool geomery is consistent with the press section of keyswitch.
5, keyswitch life testing machine as claimed in claim 1 is characterized in that: described logic gate chip be double D trigger, with door, Sheffer stroke gate and not gate.
6, keyswitch life testing machine as claimed in claim 1 is characterized in that: but described counting module is presetting system 6 digit counters.
7, keyswitch life testing machine as claimed in claim 1 is characterized in that: the DC voltage-stabilizing Switching Power Supply that described power module is 5v, 12v, 24v, 0-50v are adjustable.
8, keyswitch life testing machine as claimed in claim 1 is characterized in that: described adjustable current limliting module is high-power adjustable resistance.
CNU2008201457404U 2008-09-25 2008-09-25 Key switch longevity test machine Expired - Fee Related CN201289519Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201457404U CN201289519Y (en) 2008-09-25 2008-09-25 Key switch longevity test machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201457404U CN201289519Y (en) 2008-09-25 2008-09-25 Key switch longevity test machine

Publications (1)

Publication Number Publication Date
CN201289519Y true CN201289519Y (en) 2009-08-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201457404U Expired - Fee Related CN201289519Y (en) 2008-09-25 2008-09-25 Key switch longevity test machine

Country Status (1)

Country Link
CN (1) CN201289519Y (en)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871839A (en) * 2010-06-11 2010-10-27 科顶科技工业股份有限公司 Life testing machine for molar mobile phone
CN101900996A (en) * 2010-04-06 2010-12-01 杨炼 Control method applied to guide rail or door hinge fatigue tester
CN102175967A (en) * 2011-01-05 2011-09-07 慈溪福尔达工业自动化系统有限公司 Automobile reading lamp key detection device and automobile reading lamp key and tap position detection device
CN102175966A (en) * 2011-01-05 2011-09-07 慈溪福尔达工业自动化系统有限公司 Device for detecting coat and hat hook on automobile reading lamp and device for detecting key and coat and hat hook on automobile reading lamp
CN102221453A (en) * 2010-04-13 2011-10-19 英业达股份有限公司 Testing device and limit switch thereof
CN102539842A (en) * 2011-12-14 2012-07-04 苏州工业园区高登威科技有限公司 Switching fatigue testing jig with moving mechanism
CN102636747A (en) * 2012-05-02 2012-08-15 上海工程技术大学 Operating platform of switch life test operating mechanism
CN102760374A (en) * 2011-04-29 2012-10-31 昆山威尔汤姆森电器有限公司 Switch safe life demonstrator
CN102890211A (en) * 2012-10-09 2013-01-23 惠州Tcl移动通信有限公司 Device for simulating intermittent oscillating motion
CN103163458A (en) * 2011-12-19 2013-06-19 海洋王照明科技股份有限公司 Rotary switch testing control circuit and testing tool
CN103163454A (en) * 2011-12-15 2013-06-19 海洋王照明科技股份有限公司 Press key service life test circuit
CN103439176A (en) * 2013-09-06 2013-12-11 苏州上洋机电科技有限公司 Wall surface intensity detection device for ground brush
CN103543401A (en) * 2013-09-09 2014-01-29 苏州上洋机电科技有限公司 Detecting device for switches of dust collectors
CN103852721A (en) * 2014-01-24 2014-06-11 昆山洺九机电有限公司 Inclination-preventing key tester
CN103941179A (en) * 2013-01-22 2014-07-23 海洋王（东莞）照明科技有限公司 Key switch life testing device
CN104034620A (en) * 2014-06-16 2014-09-10 安莉芳（中国）服装有限公司 Tester for testing sweat resistance and rubbing resistance of closed-fit metal accessories of underwear
CN104198925A (en) * 2014-02-25 2014-12-10 浙江吉利控股集团有限公司 Durability test stand for switch of glass lifting device
CN104535874A (en) * 2015-01-16 2015-04-22 三星半导体(中国)研究开发有限公司 Device and method for testing aging of multi-key input function of electronic device
CN104931875A (en) * 2015-06-15 2015-09-23 国家电网公司 Load switch electrical life and mechanical life operation characteristic test device
CN103941179B (en) * 2013-01-22 2016-11-30 海洋王（东莞）照明科技有限公司 A kind of device used for testing life of key switch
CN107870300A (en) * 2017-11-13 2018-04-03 广东德众堂生物科技有限公司 A kind of key switch longevity automatic test device
CN109116221A (en) * 2018-05-04 2019-01-01 东莞市统益塑料机械制造有限公司 A kind of Multi-band switch detection device
CN112557008A (en) * 2020-12-01 2021-03-26 合肥新沪屏蔽泵有限公司 Test system of water pump button

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101900996A (en) * 2010-04-06 2010-12-01 杨炼 Control method applied to guide rail or door hinge fatigue tester
CN102221453A (en) * 2010-04-13 2011-10-19 英业达股份有限公司 Testing device and limit switch thereof
CN101871839A (en) * 2010-06-11 2010-10-27 科顶科技工业股份有限公司 Life testing machine for molar mobile phone
CN102175967B (en) * 2011-01-05 2014-01-15 宁波福尔达智能科技股份有限公司 Automobile reading lamp key detection device and automobile reading lamp key and tap position detection device
CN102175967A (en) * 2011-01-05 2011-09-07 慈溪福尔达工业自动化系统有限公司 Automobile reading lamp key detection device and automobile reading lamp key and tap position detection device
CN102175966A (en) * 2011-01-05 2011-09-07 慈溪福尔达工业自动化系统有限公司 Device for detecting coat and hat hook on automobile reading lamp and device for detecting key and coat and hat hook on automobile reading lamp
CN102175966B (en) * 2011-01-05 2013-09-04 宁波福尔达智能科技股份有限公司 Device for detecting key and coat and hat hook on automobile reading lamp
CN102760374A (en) * 2011-04-29 2012-10-31 昆山威尔汤姆森电器有限公司 Switch safe life demonstrator
CN102539842A (en) * 2011-12-14 2012-07-04 苏州工业园区高登威科技有限公司 Switching fatigue testing jig with moving mechanism
CN103163454A (en) * 2011-12-15 2013-06-19 海洋王照明科技股份有限公司 Press key service life test circuit
CN103163458A (en) * 2011-12-19 2013-06-19 海洋王照明科技股份有限公司 Rotary switch testing control circuit and testing tool
CN102636747A (en) * 2012-05-02 2012-08-15 上海工程技术大学 Operating platform of switch life test operating mechanism
CN102890211A (en) * 2012-10-09 2013-01-23 惠州Tcl移动通信有限公司 Device for simulating intermittent oscillating motion
CN103941179A (en) * 2013-01-22 2014-07-23 海洋王（东莞）照明科技有限公司 Key switch life testing device
CN103941179B (en) * 2013-01-22 2016-11-30 海洋王（东莞）照明科技有限公司 A kind of device used for testing life of key switch
CN103439176A (en) * 2013-09-06 2013-12-11 苏州上洋机电科技有限公司 Wall surface intensity detection device for ground brush
CN103543401A (en) * 2013-09-09 2014-01-29 苏州上洋机电科技有限公司 Detecting device for switches of dust collectors
CN103852721B (en) * 2014-01-24 2016-05-11 昆山洺九机电有限公司 A kind of anti-bias test instrument for keystokes
CN103852721A (en) * 2014-01-24 2014-06-11 昆山洺九机电有限公司 Inclination-preventing key tester
CN104198925A (en) * 2014-02-25 2014-12-10 浙江吉利控股集团有限公司 Durability test stand for switch of glass lifting device
CN104198925B (en) * 2014-02-25 2017-01-11 浙江吉利控股集团有限公司 Durability test stand for switch of glass lifting device
CN104034620A (en) * 2014-06-16 2014-09-10 安莉芳（中国）服装有限公司 Tester for testing sweat resistance and rubbing resistance of closed-fit metal accessories of underwear
CN104535874A (en) * 2015-01-16 2015-04-22 三星半导体(中国)研究开发有限公司 Device and method for testing aging of multi-key input function of electronic device
CN104535874B (en) * 2015-01-16 2018-03-20 三星半导体(中国)研究开发有限公司 The ageing tester and method of the more key-press inputs of electronic equipment
CN104931875A (en) * 2015-06-15 2015-09-23 国家电网公司 Load switch electrical life and mechanical life operation characteristic test device
CN107870300A (en) * 2017-11-13 2018-04-03 广东德众堂生物科技有限公司 A kind of key switch longevity automatic test device
CN109116221A (en) * 2018-05-04 2019-01-01 东莞市统益塑料机械制造有限公司 A kind of Multi-band switch detection device
CN112557008A (en) * 2020-12-01 2021-03-26 合肥新沪屏蔽泵有限公司 Test system of water pump button

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090812

Termination date: 20130925