CN101750224A - Fatigue testing device of button switch - Google Patents

Fatigue testing device of button switch Download PDF

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Publication number
CN101750224A
CN101750224A CN200810241505A CN200810241505A CN101750224A CN 101750224 A CN101750224 A CN 101750224A CN 200810241505 A CN200810241505 A CN 200810241505A CN 200810241505 A CN200810241505 A CN 200810241505A CN 101750224 A CN101750224 A CN 101750224A
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CN
China
Prior art keywords
cylinder
button switch
switch
screw rod
fatigue testing
Prior art date
Application number
CN200810241505A
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Chinese (zh)
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CN101750224B (en
Inventor
周明杰
黄柯青
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海洋王照明科技股份有限公司
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Priority to CN2008102415051A priority Critical patent/CN101750224B/en
Publication of CN101750224A publication Critical patent/CN101750224A/en
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Publication of CN101750224B publication Critical patent/CN101750224B/en

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Abstract

The invention relates to a fatigue testing device of a button switch, comprising a worktable (1) and a bracket (2) fixed on the worktable (1). A holding device for placing the button switch to be tested is arranged on the worktable (1), a cylinder (9) is arranged above the holding device, and the lower end of a piston of the cylinder (9) is connected with a pressing pole (10) for pressing the key of the button switch to be tested. The testing device also comprises a control device which is connected with the cylinder (9), used for controlling the cylinder (9) and setting testing parameters. The fatigue testing device of the button switch has the advantages that the button switch is automatically pressed by utilizing the cylinder, wherein the pressing force and the pressing frequency are kept highly consistent, and the pressing force, the pressing time interval and the pressing times all can be adjusted and set, thereby the invention has the advantages of very convenient use, good testing effect and high efficiency.

Description

Fatigue testing device of button switch

Technical field

The present invention relates to be used for proving installation that electric component is tested, more particularly, relate to a kind of fatigue testing device of button switch that is used for testing button switch performances and serviceable life.

Background technology

The light fixture product uses more in daily life and commercial production, thus the unlatching of lamp switch and close more frequent, higher to the quality requirements of switch, wish that it reaches certain serviceable life.So in the production run of light fixture, need carry out testing fatigue to the switch that light fixture adopts, promptly detector switch is still having mechanical property and electric property preferably through after the open and close of how many times, to judge its serviceable life.Pushbutton switch is a kind of lamp switch very commonly used, when pushbutton switch is carried out quality testing, need by the button of pushbutton switch is pushed repeatedly-is unclamped-push several times to test its usability and life-span.The manual testing's that prior art adopted mode is tested, and needs cost operating personnel's plenty of time, and operating personnel are also tired easily, and testing efficiency is low; And the dynamics of the each pushbutton switch of operating personnel and speed can not reach consistance, and the test effect is bad.Therefore need a kind of isolated plant of exploitation to be used for the testing fatigue of pushbutton switch.

Summary of the invention

The technical problem to be solved in the present invention is, pushbutton switch carried out that the manual testing is consuming time, efficient is low, push dynamics and speed does not have consistance at prior art above-mentioned, and test effect defect of bad provides a kind of fatigue testing device of button switch.

The technical solution adopted for the present invention to solve the technical problems is: construct a kind of fatigue testing device of button switch, comprise worktable and the support that is fixed on the worktable; Described worktable is provided with the clamping device that is used to place tested pushbutton switch, and the top of described clamping device is provided with cylinder, the piston-rod lower end of cylinder be connected be used for pushing tested pushbutton switch button by compression leg; This proving installation also includes the control device that is used to control cylinder and setting test parameter that is connected with cylinder.

In fatigue testing device of button switch of the present invention, described worktable is provided with base plate, described clamping device is arranged on the base plate, thereby clamping device comprises fixed head and Ke Chao fixed head and moves the portable plate that closes up with fixed head, promptly is used for clamping pushbutton switch to be measured between fixed head and the portable plate.

In fatigue testing device of button switch of the present invention, described portable plate promotes by a screw rod, this screw rod is located in the swivel nut seat that is positioned on the base plate, a screw rod end is inwardly fixedlyed connected with portable plate, a screw rod end end outwardly is provided with rotating head,, so that passing in and out in the swivel nut seat back and forth, clamping screw on base plate, moves around by rotating this rotating head thereby promote portable plate.

In fatigue testing device of button switch of the present invention, described cylinder has several, and be installed in side by side on the leveling board that can move up and down, the two ends of leveling board are provided with thread bush, erect the both sides of leveling board two screw rods, leveling board is installed on the described screw rod by the thread bush at two ends, and described screw rod can be rotatably set on worktable and the support, and the upper end of described screw rod is located in the top board.

In fatigue testing device of button switch of the present invention, the fixedly connected installation sleeve in the bottom of described cylinder, described installation sleeve is located on the leveling board slidably, and installation sleeve is provided with set nut.

In fatigue testing device of button switch of the present invention, the head of described screw rod is provided with first gear, on top board, also be provided with rocking bar, rocking bar be provided with two respectively with second gear of first gear matched, by rotating rocker, second gear driven, first gear is rotated, the screw rod rotation, and then make the leveling board oscilaltion that cooperates with screw flight, to drive the cylinder oscilaltion.

In fatigue testing device of button switch of the present invention, be provided with aligning plate between described cylinder and the clamping device, offer on the aligning plate several respectively with by the corresponding registration holes of compression leg.

In fatigue testing device of button switch of the present invention, be connected with atmospheric pressure table and electromagnetic valve switch and draft tube joint on described a plurality of cylinders; Described atmospheric pressure table be used to be provided with show that the cylinder piston lower end is connected by the pressing force of compression leg to tested pushbutton switch button, the scope of described atmospheric pressure table is 0~10Kg.

In fatigue testing device of button switch of the present invention, the head of described screw rod is provided with first gear, on top board, also be provided with rocking bar, rocking bar be provided with two respectively with second gear of first gear matched, be rotating rocker, rotate, make the screw rod rotation by second gear driven, first gear, and then make the leveling board oscilaltion that cooperates with screw flight, to drive the cylinder oscilaltion.

In fatigue testing device of button switch of the present invention, described control device comprises electric cabinet and the control panel that the worktable below is provided with, and PLC controller, two time controllers, counter, power circuits of being provided with the control electromagnetic valve switching in the described electric cabinet are electrically connected.

In fatigue testing device of button switch of the present invention, described control panel is provided with test beginning/shutdown switch, compressing time input and display interface, unclamps time input and display interface, counting inputting interface.

Implement fatigue testing device of button switch of the present invention, have following beneficial effect: this device utilizes cylinder that pushbutton switch is pushed automatically, it pushes dynamics, compression frequency keeps consistance highly, push dynamics, compressing time at interval, compression number all can regulate setting, very easy to use, test respond well, and production efficiency height.Use this device to carry out testing fatigue to several pushbutton switches of the same type simultaneously, the testing fatigue result of the pushbutton switch of such model is had more accurately judge like this.

Description of drawings

The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the one-piece construction synoptic diagram of fatigue testing device of button switch of the present invention;

Fig. 2 is the front elevation of fatigue testing device of button switch of the present invention;

Fig. 3 is the side view of fatigue testing device of button switch of the present invention.

Embodiment

Fig. 1 is the one-piece construction synoptic diagram of fatigue testing device of button switch of the present invention.Fig. 2 is the front elevation of fatigue testing device of button switch of the present invention.Fig. 3 is the side view of fatigue testing device of button switch of the present invention.Referring to figs. 1 to Fig. 3, fatigue testing device of button switch, comprise worktable 1, be arranged on the support 2 on the worktable 1, support 2 has top board 3, also be provided with the base plate 4 that is positioned at top board 3 belows on the worktable 1, on base plate 4, be provided with the clamping device that is used for clamping pushbutton switch to be measured, can move the portable plate 6 that closes up with fixed head 5 towards fixed head 5 directions thereby clamping device comprises a fixed head 5 and one.Position between fixed head 5 and the portable plate 6 is used for placing pushbutton switch to be measured, and a side of this pushbutton switch to be measured should be near fixed head 5 when placing, portable plate 6 is moved towards the fixed head direction, pushbutton switch to be measured is clamped between fixed head 5 and the portable plate 6.The top of clamping device is provided with cylinder 9, the piston-rod lower end of cylinder 9 be connected be used for the push switch button by compression leg 10; This proving installation also includes the control device that is used to control cylinder and setting test parameter that is connected with cylinder 9.

Portable plate 6 promotes by a clamping screw 7, concrete mode is: base plate 4 is provided with a swivel nut seat 8, clamping screw 7 is located in this swivel nut seat 8, clamping screw 7 end is inwardly fixedlyed connected with portable plate 6, clamping screw 7 an end end outwardly is provided with rotating head, by rotating the rotating head of clamping screw 7, clamping screw 7 just can pass in and out in swivel nut seat 8 back and forth, moves around on base plate 4 thereby promote portable plate 6.

Can fold up several tested pushbutton switches side by side in the clamping device, directly over clamping device, be provided with several and the corresponding cylinder 9 of this tested pushbutton switch, the piston-rod lower end of cylinder 9 be connected be used for the push switch button by compression leg 10, it is corresponding with the button position in vertical direction of corresponding tested pushbutton switch to press compression leg 10.

Described several cylinders 9 are installed on the leveling board that can move up and down 11 side by side, are provided with thread bush at the two ends of this leveling board 11, and erecting in the both sides of leveling board 11 has two screw rods 12, and leveling board 11 is installed on these two screw rods 12 by the thread bush at two ends.These two screw rods 12 can be rotatably set on worktable and the support, wherein the upper end of screw rod 12 is located in the top board 3, (upper and lower side of screw rod 12 is installed on top board 3 and the worktable 1 by bearing holder (housing, cover) respectively, and the part place that the upper end of screw rod 12, lower end are connected with bearing holder (housing, cover) does not have screw thread, and screw rod 12 is just rotatable).The head of screw rod 12 is formed with first gear 13, on top board 3, also be provided with rocking bar 14, rocking bar 14 is provided with two second gears 15 that cooperate with first gear 13 respectively, it is rotating rocker 14, driving first gear 13 by second gear 15 rotates, thereby make screw rod 12 rotation, thereby make leveling board 11 oscilaltions with screw rod 12 threaded engagement, thereby drive cylinder 9 oscilaltions.

Wherein, but the installation site manual adjustments of cylinder 9 on leveling board 11, it is that cylinder 9 integral body are movably arranged on the leveling board 11: the fixedly connected installation sleeve in the bottom of cylinder 9, this installation sleeve is set on the leveling board 11, one side of installation sleeve is provided with set nut 16, installation sleeve can horizontally slip on leveling board 11, during the location set nut 16 is tightened to get final product.

Wherein, accurate in order to guarantee cylinder 9 positions, one aligning plate 17 is set between cylinder 9 and clamping device, this aligning plate 17 is positioned at directly over the clamping device, offer on this aligning plate 17 several respectively with by compression leg 10 corresponding registration holes 18, the button three position in vertical direction of promptly pressing compression leg 10, registration holes 18, tested pushbutton switch is corresponding, in switch fatigue when test, move downward by compression leg 10, pass registration holes 18 earlier, push again by the button of slowdown monitoring switch.

The present invention also comprises atmospheric pressure table and electromagnetic valve switch and the draft tube joint (not shown) that is connected with several cylinder 9 gas, this atmospheric pressure table is used for being provided with and the pressing force by 10 pairs of tested pushbutton switch buttons of compression leg that shows that cylinder 9 piston lower ends are connected, and this manometric scope is 0~10Kg.When switch fatigue was tested, generally pressing force was set to 0.5Kg~1.5Kg.

Control device is included in the electric cabinet 19 and the control panel of the below setting of worktable 1.Being provided with PLC controller that control electromagnetic valve opens and closes, two time controllers, counter, power circuit etc. in this electric cabinet 19 is electrically connected.On control panel, be provided with and test beginning/shutdown switch, input of button time and display interface, unclamp time input and display interface, counting inputting interface.

When in clamping device, placing tested pushbutton switch, and be pressed onto after the position piston motion of cylinder 9 (allow before this to bottom) by the button that rotary screw 12 makes cylinder 9 the drop to pushbutton switch post 10 that is pressed, begin to be provided with the testing fatigue parameter: promptly import button time, the time of unclamping, the input test number of times, open test beginning switch then, the PLC controller just opens and closes solenoid valve according to test parameter, thereby cylinder 9 is pushed the button of tested pushbutton switch according to test parameter, carries out testing fatigue.The button time, to be cylinder piston moved to bottom and in the time that stops bottom from initial position.The time of unclamping is the time of cylinder piston from moving to initial position bottom and stopping at initial position.

Below introduce in detail and use the present invention pushbutton switch to be carried out the course of work of testing fatigue:

A, several tested pushbutton switches are placed side by side among clamping device.Adopt the tested pushbutton switch of 3 same models in the present embodiment, during placement, the button of pushbutton switch is positioned at the top up, and tested pushbutton switch one side is close to fixed head 5, and the button of these 3 pushbutton switches is corresponding respectively with 3 registration holes positions on the aligning plate 17.

Rotatably compress screw rod 7 then, portable plate 6 is moved towards fixed head 5 close up, clamp tested pushbutton switch.

B, 3 cylinders 9 are installed on leveling board 11, are regulated cylinder 9 position in the horizontal direction, make the corresponding with above-mentioned 3 registration holes respectively of these 3 cylinder 9 lower ends by compression leg 10.Connect compressed air hose earlier, the piston of 3 cylinders 9 is all moved to bottom, rotating rocker 14 then, thereby make screw rod 12 rotations drive leveling board 11 and cylinder 9 declines, cylinder 9 is dropped to by compression leg 10 be positioned at about registration holes 18 top 1mm~10mm.Regulate cylinder 9 position in the horizontal direction once more, make 3 to aim at fully with above-mentioned 3 registration holes respectively by compression leg 10.Tighten set nut 16 then, cylinder 9 is fixed on the leveling board 11.

C, be rotated further rocking bar 14, thereby make screw rod 12 rotations drive leveling boards 11 and cylinder 9 descends, make cylinder 9 drop to by compression leg 10 pass after the registration holes 18 button of the tested pushbutton switch of correspondence depressed put in place till.Begin to be provided with test parameter then: it is 1Kg that pressure is set in the atmospheric pressure table, the input button time is 2 seconds in compressing time input and display interface, the input time of unclamping is 2 seconds in unclamping time input and display interface, and the input test number of times is 10000 times in the counting inputting interface.(annotate: it is a cycle period that the one-touch time adds the time of unclamping last time)

D, the gear that will test beginning/shutdown switch are turned round " beginning ", the PLC controller just opens and closes according to the test parameter control electromagnetic valve, the piston of solenoid control cylinder 9 is flexible, what cylinder 9 piston lower ends connected just pushes the button of tested pushbutton switch repeatedly by compression leg 10 according to test parameter, carry out testing fatigue.

Claims (10)

1. a fatigue testing device of button switch is characterized in that, comprises worktable (1), is fixed on the support (2) on the worktable (1); Described worktable (1) is provided with the clamping device that is used to place tested pushbutton switch, and the top of described clamping device is provided with cylinder (9), the piston-rod lower end of cylinder (9) be connected be used for pushing tested pushbutton switch button by compression leg (10); This proving installation also includes the control device that is used to control cylinder (9) and setting test parameter that is connected with cylinder (9).
2. fatigue testing device of button switch according to claim 1, it is characterized in that, described worktable is provided with base plate (4), described clamping device is arranged on the base plate (4), clamping device comprise fixed head (5) and can be towards fixed head (5) thus move the portable plate (6) that closes up with fixed head (5), promptly be used for clamping pushbutton switch to be measured between fixed head (5) and the portable plate (6).
3. fatigue testing device of button switch according to claim 2, it is characterized in that, described portable plate (6) promotes by a screw rod (7), this screw rod (7) is located in the swivel nut seat (8) that is positioned on the base plate (4), screw rod (a 7) end is inwardly fixedlyed connected with portable plate (6), screw rod (a 7) end end outwardly is provided with rotating head,, moves around on base plate (4) thereby promote portable plate (6) so that clamping screw (7) passes in and out in swivel nut seat (8) back and forth by rotating this rotating head.
4. fatigue testing device of button switch according to claim 1, it is characterized in that, described cylinder (9) has several, and be installed in side by side on the leveling board that can move up and down (11), the two ends of leveling board (11) are provided with thread bush, erect the both sides of leveling board (11) two screw rods (12), leveling board (11) is installed on the described screw rod (12) by the thread bush at two ends, described screw rod (12) can be rotatably set on worktable (1) and the support (2), and the upper end of described screw rod (12) is located in the top board (3).
5. fatigue testing device of button switch according to claim 4 is characterized in that, the fixedly connected installation sleeve in bottom of described cylinder (9), described installation sleeve are set on the leveling board (11) slidably, and installation sleeve is provided with set nut (16).
6. fatigue testing device of button switch according to claim 4, it is characterized in that, the head of described screw rod (12) is provided with first gear (13), on top board (3), also be provided with rocking bar (14), rocking bar (14) is provided with two second gears (15) that cooperate with first gear (13) respectively, by rotating rocker (14), making second gear (15) drive first gear (13) rotates, screw rod (12) rotation, and then make and leveling board (11) oscilaltion of screw rod (12) threaded engagement, to drive cylinder (9) oscilaltion.
7. fatigue testing device of button switch according to claim 1 is characterized in that, is provided with aligning plate (17) between described cylinder (9) and the clamping device, offer on the aligning plate (17) several respectively with by the corresponding registration holes of compression leg (10) (18).
8. fatigue testing device of button switch according to claim 1 is characterized in that, is connected with atmospheric pressure table and electromagnetic valve switch and draft tube joint on the described cylinder (9); Described atmospheric pressure table be used for being provided with show that cylinder (9) piston lower end is connected press the pressing force of compression leg (10) to tested pushbutton switch button, the scope of described atmospheric pressure table is 0~10Kg.
9. fatigue testing device of button switch according to claim 1, it is characterized in that, described control device comprises electric cabinet (19) and the control panel that worktable (1) below is provided with, and PLC controller, two time controllers, counter, power circuits of being provided with the control electromagnetic valve switching in the described electric cabinet (19) are electrically connected.
10. fatigue testing device of button switch according to claim 9 is characterized in that, described control panel is provided with test beginning/shutdown switch, compressing time input and display interface, unclamps time input and display interface, counting inputting interface.
CN2008102415051A 2008-12-22 2008-12-22 Fatigue testing device of button switch CN101750224B (en)

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CN101750224B CN101750224B (en) 2011-09-07

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