CN103217643A - Button testing device and button testing system - Google Patents

Button testing device and button testing system Download PDF

Info

Publication number
CN103217643A
CN103217643A CN2012100154138A CN201210015413A CN103217643A CN 103217643 A CN103217643 A CN 103217643A CN 2012100154138 A CN2012100154138 A CN 2012100154138A CN 201210015413 A CN201210015413 A CN 201210015413A CN 103217643 A CN103217643 A CN 103217643A
Authority
CN
China
Prior art keywords
button
measured
pressing piece
bar
load spare
Prior art date
Application number
CN2012100154138A
Other languages
Chinese (zh)
Other versions
CN103217643B (en
Inventor
赖贵城
Original Assignee
深圳安格仪器有限公司
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 深圳安格仪器有限公司 filed Critical 深圳安格仪器有限公司
Priority to CN201210015413.8A priority Critical patent/CN103217643B/en
Publication of CN103217643A publication Critical patent/CN103217643A/en
Application granted granted Critical
Publication of CN103217643B publication Critical patent/CN103217643B/en

Links

Abstract

The invention relates to a button testing device and a button testing system. The button testing device comprises a press piece used for pressing a button to be tested, a loading piece connected with the press piece in a movable mode, a first buffering piece arranged between the press piece and the loading piece, a first driving device and a detection device, wherein the first driving device is connected with the loading piece and used for driving the loading piece to move towards the directions close to or away from the button to be tested, and the detection device is used for detecting displacement of the press piece and force exerted on the button to be tested. The button testing device has the advantage of being high in precision.

Description

Key testing device and key test system
[technical field]
The present invention relates to a kind of electronic product testing apparatus, relate in particular to a kind of key testing device and key test system that the keyswitch of electronic product is tested automatically that be applicable to.
[background technology]
Using various forms of buttons on each electronic product, plant equipment in a large number, prior art normally adopts artificial or mechanical mode to the performance and the life test of button.Wherein, artificial mode exists that testing efficiency is low, the test dynamics is lack of standardization, do not have strict shortcomings such as testing standard.
The applicant of our company is exactly a kind of original staff test that replaces at " Weight gravity tester " of Chinese invention patent 200610062967.8 bulletins of first to file, has overcome the defective that staff test keyswitch conducting degree varies and the dynamics of pressing down differ.Can measure the device of crossing sensitivity and overweight degree of pushing of keyswitch exactly.Should " Weight gravity tester " comprise an axostylus axostyle, the end of axostylus axostyle is provided with one group at least can axially movable counterweight in limited range, and axostylus axostyle is furnished with a may command its axially movable driving mechanism and back-moving spring; Also be provided with on the axostylus axostyle and be used for its mount pad fixing on the plate of moving playing surface.Utilize the control of driving mechanism, the counterweight of setting weight is applied on the tested keyswitch, the pressing force of button is tested counterweight.If when relying on downward certain distance, the keyswitch conducting, it is sensitive to illustrate that then tested button was considered as, and is substandard product.If rely on counterweight weight can not impel the keyswitch conducting, illustrate that then tested button is a substandard product.Have advantages such as test speed is fast, the accurate standard of test.But in actual applications, the Weight gravity tester of finding said structure remains in following defective: 1. can't the emulation staff be felt by the paragraph of button, 2. the counterweight decline rate is fast, does not have buffering, as when using two counterweights, owing to superpose in hard land mode between last, second counterweight, promptly first counterweight is superimposed upon on second counterweight in the freely falling body mode, and its decline rate is too fast, and the stroke of button is very short, and cause testing paragraph sense, therefore can influence the accuracy of test.
[summary of the invention]
Based on this, be necessary the key testing device and the key test system that provide a kind of test accuracy higher.
A kind of key testing device comprises:
Pressing piece is used to push button to be measured;
Load spare links to each other movably with this pressing piece;
First bolster is located between this pressing piece and this load spare.
In a preferred embodiment, also comprise:
First drive unit links to each other with this load spare, be used to drive this load spare towards near or away from the direction motion of button to be measured;
Second drive unit, be used to drive button to be measured towards near or away from the direction motion of this pressing piece; And
Checkout equipment is used to measure the displacement of pressing piece and is applied to dynamics on the button to be measured.
In a preferred embodiment, this checkout equipment comprises the optical detection system of the displacement that is used to measure pressing piece, this optical detection system comprise the optical scale that is installed on this pressing piece and with this optical scale corresponding photoelectric sensor.
In a preferred embodiment, the inside of this load spare offers host cavity, the bottom of this load spare also offers the through hole that is communicated with this host cavity, this load spare is positioned at forming of this through hole on every side and compresses seat, this pressing piece comprises bar portion and is positioned at the press section of this bar portion one end, the width of this press section is less than the width of this bar portion, this bar portion activity is contained in this host cavity, this press section is arranged in this through hole, this first bolster, one end and this compress seat and offset, the end face of the other end and this bar portion offsets, and this key testing device also comprises second bolster between the top of being located at this bar portion top and this host cavity.
A kind of key test system, comprise a plurality of above-mentioned key testing devices, be used for testing simultaneously a plurality of buttons to be measured, each button to be measured comprises top electrode and bottom electrode, the top electrode of a plurality of buttons to be measured interconnects, and perhaps the bottom electrode of a plurality of buttons to be measured interconnects.
In a preferred embodiment, also comprise control module, these a plurality of buttons to be measured are divided into a plurality of zones, and this control module controls this first drive unit and second drive unit detects separately each zone.
A kind of key testing device comprises:
Pressing piece is used to push button to be measured, and this pressing piece comprises bar portion and be positioned at the press section of this bar portion one end that this bar portion is provided with the tray at a plurality of intervals;
Support comprises a plurality of back up pads that be arranged in parallel and the support column between adjacent two back up pads, offers the through hole that allows this tray to pass on each back up pad;
A plurality of load spares, each load spare are placed on the back up pad, offer the via hole that allows this bar portion to pass but stop this tray to pass on each load spare, and the distance between adjacent two load spares are greater than the distance between adjacent two trays;
First drive unit links to each other with this support, be used to drive this bar portion towards near or away from the direction motion of button to be measured;
Second bolster is located between a tray and the support;
A plurality of touch switch, each touch switch are located on the back up pad, and can be triggered by the pressure of this load spare; And
Checkout equipment links to each other with button to be measured with these a plurality of touch switch, is used to measure the displacement of pressing piece and receive the signal that these a plurality of touch switch send.
In a preferred embodiment, also comprise a plurality of first bolsters, each first bolster is located between a tray and the load spare; Or each first bolster is located between a back up pad and the load spare.
A kind of key testing device comprises:
Pressing piece is used to push button to be measured, and this pressing piece comprises bar portion and be positioned at the press section of this bar portion one end that this bar portion is provided with the tray at a plurality of intervals;
Support comprises the back up pad and the support column between adjacent two back up pads of a plurality of parallel placements, offer the through hole that allows this tray to pass on each back up pad, and the distance between adjacent two back up pads is greater than the distance between adjacent two trays;
A plurality of load spares, each load spare are placed on the back up pad, offer the via hole that allows this bar portion to pass but stop this tray to pass on each load spare;
Second bolster is located between a tray and the support;
First drive unit is fixed on the support, and links to each other with this bar portion, be used to drive this press section towards near or away from the direction motion of button to be measured;
Checkout equipment, button to be measured links to each other, this checkout equipment comprises the optical detection system of the displacement that is used to measure pressing piece, this optical detection system comprise the optical scale that is installed on this bar portion and be installed on this support and with this optical scale corresponding photoelectric sensor.
In a preferred embodiment, also comprise damping piece, be located on this pressing piece or this load spare.
Bolster, damping piece can be to go up or following unidirectional buffering, can be bidirectional buffering, material, shape, buffer size is regardless of.
Weight being loaded on the pressing piece slowly that first bolster of above-mentioned key testing device can allow load spare, effect is equivalent to load spare is divided into a lot of small unit weights, each subsection weight is the mode of increasing progressively, be superimposed upon on the pressing piece actual conditions when relatively pushing step by step near staff.In addition, load spare loads and the speed of unloading slows down, and helps pick-up unit and adopts plenty of time read test value, has increased the degree of accuracy of measuring.
[description of drawings]
By the more specifically explanation of the preferred embodiments of the present invention shown in the accompanying drawing, above-mentioned and other purpose, feature and advantage of the present invention will become more clear.Reference numeral identical in whole accompanying drawings is indicated identical part, and painstakingly draws accompanying drawing by physical size equal proportion convergent-divergent, focuses on illustrating purport of the present invention.
Fig. 1 a is the structural representation of the key testing device of embodiment one;
Fig. 1 b adds the structural representation of optical detection system for the key testing device of embodiment one;
Fig. 1 c adds the structural representation of damping piece for the key testing device of embodiment one;
Fig. 2 is the test curve figure of the key testing device of embodiment one;
Fig. 3 a, Fig. 3 b are the structural representation of the key testing device of embodiment two;
Fig. 3 c adds the structural representation of optical detection system for the key testing device of embodiment two;
Fig. 3 d adds the structural representation of damping piece for the key testing device of embodiment two;
Fig. 4 a, Fig. 4 b are the structural representation of the key testing device of embodiment three;
Fig. 4 c adds the structural representation of optical detection system for the key testing device of embodiment three;
Fig. 4 d adds the structural representation of damping piece for the key testing device of embodiment three;
Fig. 5 a, Fig. 5 b are the structural representation of the key testing device of embodiment four;
Fig. 5 c adds the structural representation of optical detection system for the key testing device of embodiment four;
Fig. 5 d adds the structural representation of damping piece for the key testing device of embodiment four;
Fig. 6 a, Fig. 6 b are the structural representation of the key testing device of embodiment five;
Fig. 6 c adds the structural representation of optical detection system for the key testing device of embodiment five;
Fig. 6 d adds the structural representation of damping piece for the key testing device of embodiment five;
Fig. 7 a, Fig. 7 b are the structural representation of the key test system of embodiment one;
Schematic perspective view when Fig. 7 c is the key test system test sub button of embodiment one;
Fig. 7 d is the floor map of circuit board among Fig. 7 c;
Fig. 8 a, Fig. 8 b are the structural representation of the key test system of embodiment two;
Fig. 9 is the structural representation of the key testing device of embodiment six;
Figure 10 is the test curve figure of the key testing device of embodiment six;
Figure 10 a~Figure 10 f is the view in the key testing device use of embodiment six;
Test curve figure when Figure 11 pushes for the key testing device to test button of embodiment six;
Test curve figure when Figure 12 is the key testing device to test button resilience of embodiment six;
Figure 13 is the structural representation of the key testing device of embodiment seven;
Figure 14 is the test curve figure of the key testing device of embodiment seven;
Figure 15 a is the structural representation of the key testing device of embodiment eight;
Figure 15 b is the structural representation of the key testing device of another embodiment;
Figure 15 c is the structural representation of the key testing device of another embodiment;
Figure 15 d is the structural representation of the key testing device of another embodiment;
Figure 15 e is the structural representation of the key testing device of another embodiment;
Figure 15 f is the structural representation of the key testing device of another embodiment;
Figure 15 g is the structural representation of the key testing device of another embodiment;
Figure 16 is the structural representation of the key testing device of embodiment nine;
Figure 17 is the structural representation of the key test system of embodiment three;
Figure 18 a~Figure 18 f is the view in the key test system use of embodiment three;
Figure 19 is the structural representation of the key test system of embodiment four;
Figure 20 is the structural representation of the key test system of embodiment five.
[embodiment]
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar improvement under the situation of intension of the present invention, so the present invention is not subjected to the restriction of following public concrete enforcement.
Secondly, the present invention utilizes synoptic diagram to be described in detail, when the embodiment of the invention is described in detail in detail; for ease of explanation; the sectional view of expression device architecture can be disobeyed general ratio and be done local the amplification, and described synoptic diagram is example, and it should not limit the scope of protection of the invention at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
See also Fig. 1 a, the key testing device of embodiment one mainly spends and detects button 9 to be measured, and it comprises pressing piece 8, load spare 6, first bolster 7, first drive unit 51, second drive unit 52 and checkout equipment 55.
Link to each other movably by first bolster 7 between pressing piece 8 and the load spare 6.In the present embodiment, pressing piece 8 comprises the conical press section 83 that is roughly cylinder body rod portion 81 and is positioned at bar portion 81 1 ends.The diameter of bar portion 81 is less than the diameter of press section 83.Material, size, the shape that is appreciated that pressing piece 8 can not be subjected to the restriction of present embodiment.
Offering on the load spare 6 slides accommodates the strip axis hole 61 of bar portion 81.Material, size, the shape that is appreciated that load spare 6 can not be subjected to the restriction of present embodiment.
It in first bolster, 7 present embodiments spring that is sheathed on bar portion 81.The two ends of first bolster 7 are fixed with the welding of press section 83 and load spare 6 respectively.Thus, pressing piece 8 relatively load spare 6 in the vertical directions slidably reciprocate.Be appreciated that first bolster 7 also can be other and has elasticity, the material that can cushion, shell fragment for example, rubber blanket etc.Can not weld with press section 83 and load spare 6 at the two ends of first bolster 7 yet.
First drive unit 51 links to each other with load spare 6, be used to drive load spare 6 towards near or away from the direction motion of button 9 to be measured.Lower shaft moves or drive unit moving according to the designing requirement Y-axis or that the either direction axle is moving first drive unit 51 on the load spare 6 in order to impel, as: steam-operating device, electric device, numerical-control motor or the like.
In the present embodiment, the inside of load spare 6 offers the cavity 63 that communicates with axis hole 61.The top of load spare 6 also offers the through hole 65 that is communicated with this cavity 63.The diameter of through hole 65 is less than the width of cavity 63.First drive unit 51 comprises piston rod 511 and is positioned at the traction piece 513 of piston rod 511 ends.Traction piece 513 is the cross bar of a width greater than through hole 65.Piston rod 511 is arranged in through hole 65, and traction piece 513 activities are contained in cavity 63.When first drive unit 51 drove piston rods 511 and moves upward, because the width of traction piece 513 is greater than through hole 65, so load spare 6 can be followed piston rod 511 and moved upward together.But when first drive unit, 51 drive piston rods 511 move downward, because traction piece 513 can be up and down in cavity 63, therefore load spare 6 can not move downward with piston rod 511, and only can be according to the gravity of self, the moving down of free fall type.Be appreciated that, first drive unit 51 also can be not limited to the described situation of present embodiment with the connected mode of load spare 6, only need to satisfy when first drive unit, 51 driving load spares 6 move downward, additionally do not increase the strength that is applied on the load spare 6 and get final product.
Second drive unit 52 is fixedly linked with button 9 to be measured, be used to drive button 9 to be measured towards near or away from the direction motion of pressing piece 8.Similar with first drive unit 51, lower shaft moves or drive unit moving according to the designing requirement Y-axis or that the either direction axle is moving second drive unit 52 on the button 9 to be measured in order to drive, as: steam-operating device, electric device, numerical-control motor or the like.
In the present embodiment, button 9 to be measured is made by elastically-deformable material can take place.Be provided with top electrode 12 and bottom electrode 13 in the button 9 to be measured.When under the pressure effect of button 9 to be measured at pressing piece 8 elastic deformation taking place, top electrode 12 contacts and conducting with bottom electrode 13.When external force removed, button 9 to be measured is resilient again, and top electrode 12 separates with bottom electrode 13 and disconnects at this moment.
Checkout equipment 55 is electrically connected with top electrode 12 and bottom electrode 13 respectively.Checkout equipment 55 can receive the signal that top electrode 12 and bottom electrode 13 contact and produce, thereby judges the button 9 to be measured conducting that whether is pressed.Checkout equipment 55 also comprises the device of the displacement that is used to measure pressing piece 8 and the device that measurement is applied to the dynamics on the button 9 to be measured.
In another embodiment, see also Fig. 1 b, the device of Displacement Measurement is an optical detection system 56.The rule formula of photodetector system 56 is installed on the pressing piece 8, and the photoelectric sensor of photodetector system 56 is fixed on the support, can maintain static, and also can move with second drive unit 52.
First drive unit moves down, or second drive unit is when up mobile, is added in loading on the pressing piece 8 and is not enough to button 9 to be measured is pressed when logical, and photodetector system, 5 rule are equally to move with respect to button to be measured.But rule and pressing piece 8 can be along with second drive unit 52 moves up and down.At this moment photoelectric sensor is if maintain static, the position of rule will be detected at any time, weight when load spare 6, driven and little by little be added on the pressing piece 8 to the resetting structure of breaking through button 9 to be measured, pressing piece 8 will be pressed logical along with dropping to button, so photoelectric sensor will detect the time of the tram and the arrival tram of scale, tell the quality of button 9 to be measured.If photoelectric sensor is along with second drive unit moves, photoelectric sensor will only can detect the direction that rule moves down, and differentiate the quality of button to be measured, and this mode can be saved the cost of structure.
The device that is applied to the dynamics on the button 9 to be measured can be existing pressure transducer or the like.
In another embodiment, see also Fig. 1 c, can also be provided with a damping piece 57 on the pressing piece 8.The effect of damping piece 57 is not influence loading, speed, reducing speed during decline when allowing pressing piece 8 rise.Damping piece 57 can be penetrated any position at pressing piece 8, also can be arranged on the load spare 6.
See also Fig. 2, the testing process of present embodiment is as described below.
The standard that at first will measure normal button is pushed displacement-velo curves M and standard recovery displacement-velo curves N.
First drive unit 51 drives load spares 6 and pressing piece 8 slowly moves downward, and when the press section 83 of pressing piece 8 just during contact measured button 9, the stroke note of pressing piece 8 does 0.Second drive unit 52 drives button 9 to be measured and slowly motion up of pressing piece 8 afterwards, and at this moment, the power that is applied on the button 9 to be measured also will increase gradually, and first bolster 7 shrinks gradually from initial extended state.When the dynamics on being applied to button 9 to be measured equaled the weight of pressing piece 8, first bolster 7 recovered normal condition.Next, first bolster 7 is compressed gradually, and the weight that the dynamics on the button 9 to be measured of being applied to equals pressing piece 8 adds the weight of fractional load spare 6.Move in the continuation, when first bolster 7 is compressed to the limit, the weight that the dynamics on the button 9 to be measured of being applied to equals pressing piece 8 adds the weight of whole load spares 6, and this moment, the traction piece 513 of first drive unit 51 was movable in the cavity 63 of load spare 6, promptly, even second drive unit 52 drives button 9 to be measured and moves upward, the dynamics that is applied on the button 9 to be measured also no longer continues to increase, stabilize to pressing piece 8 and load spare 6 weight and.Whole dynamics in the process and the displacement corresponding relation pushed is shown in the curve M among Fig. 2.
Second drive unit 52 moves down afterwards, and the dynamics that is applied on the button 9 to be measured is reduced gradually, until being zero.Dynamics in the rejuvenation and displacement corresponding relation are shown in the curve N among Fig. 2.
It is the maximum loading of button 9 conductings that on Fig. 2 upper curve M first indicates point 1; The second sign point 2 is after button 9 is pressed into upper and lower electrode points 12,13 conductings, the minimum loading of button 9; After curve N the 3rd sign point 3 is upper and lower limit 12,13 conductings, when being added in the external force releasing on the button 9, the highest loading that button 9 resets; After the 4th sign point 4 is upper and lower electrode points 12,13 conductings, when being added in the external force releasing on the button 9, the minimum loading that button 9 resets; The 5th sign point 5 is the range of button 9 upper and lower electrode points 12,13 conductings.
The effect of damping piece 67 is to press current journey curve M from not being subjected to resistance between 0-1 at button, is subjected to the slow down collapse decline rate of the material that resets of button 9 to be measured of certain resistance between M curve 1-2, is the unidirectional resistance mode that is subjected to.
Determined that standard is pushed displacement-velo curves M and standard is recovered just can measure reality product to be measured after displacement-velo curves N.
Curve X and curve Y represent pushing displacement-velo curves and recovering displacement-velo curves of bad (feel is bad) product respectively among Fig. 2, and wherein 2a indicates the difference with 2 on non-defective unit key, and 3 indicate the difference with 3 on non-defective unit key.
The main effect of first bolster 7 of above-mentioned key testing device is: the weight of load spare 6 can be loaded at leisure on the pressing piece 8 by first bolster 7, effect is equivalent to load spare 6 is divided into a lot of small unit weights, each subsection weight becomes incremental manner, combine with second drive unit 52 length by length, mode with the change stroke is superimposed upon on the pressing piece 8, allow the weight of addition enough impel button 9 compressive deformations to be measured, finally reach upper and lower electrode 12,13 and connect conducting, the actual conditions when this process is relatively pushed near staff.
Be understandable that, in above-mentioned measuring process, the sequence of movement that first drive unit 51 and second drive unit are 52, can be that first drive unit 51 is moving earlier, second drive unit, 52 backs are moving, also can be that second drive unit 52 is moving earlier, and first drive unit, 51 backs are moving.
Be understandable that in the above-mentioned key testing device, second drive unit 52 also can omit, this moment, first drive unit, 51 promotion load spares 6 and pressing piece 8 moved downward.The bar portion 81 of pressing piece 8 and the axis hole 61 of load spare 6 also can omit, and at this moment, pressing piece 8 only links to each other by first bolster 7 with load spare 6.Not crooked for guaranteeing in load spare 6 and the pressing piece 8 weight additive processes, can be under the situation that does not influence weight, the both sides of load spare 6, pressing piece 8 or up and down suitable position increase spacing guiding mechanism.
Be understandable that in the above-mentioned key testing device, when keeping second drive unit 52, first actuator 51 also can omit, this moment second, drive unit 52 promoted buttons 9 to be measured and pressing piece 8 moves upward, and finished measurement.
Be understandable that, when the two ends of first bolster 7 not with load spare 6 and pressing piece 8 welding fixedly the time, under original state, be the gravity of pressing piece 8 by the dynamics on the button 9 to be measured of being pressed in.This moment, the design weight of pressing piece 8 was not enough to button 9 pressures to be measured are led to, but also will set constant weight, and 1 position in the curve M is low excessively, pressed the official under county magistrate who administers lawsuit, etc. bad it.
Please consult Fig. 3 a and Fig. 3 b simultaneously, key testing device and the embodiment one of embodiment two are roughly the same, comprise pressing piece 32 (pressing piece 8 that is equivalent to embodiment one), load spare 31 (the load spare 6 that is equivalent to embodiment one), first bolster 33, first drive unit 51, second drive unit 52 and checkout equipment 55.
It is cylindric that load spare 31 roughly is, and the inner host cavity 311 that offers strip.The bottom of load spare 31 also offers the through hole 313 that is communicated with this host cavity 311.The aperture of through hole 313 is less than the diameter of host cavity 311, thus load spare 31 be positioned at through hole 313 around form annular compress seat 315.
Pressing piece 32 comprises bar portion 321 and is positioned at the press section 323 of bar portion 321 1 ends.The width of press section 323 is less than the width of bar portion 321.The length of bar portion 321 is less than the length of host cavity 311, so bar portion 321 can be contained in the host cavity 311 in activity.323 of press sections are arranged in through hole 313.First bolster, 33 1 ends offset with compressing seat 315, and the end face of the other end and bar portion 321 offsets.
In another embodiment, see also Fig. 3 c, the device of Displacement Measurement is an optical detection system 56.The rule formula of photodetector system is installed on the pressing piece 8, and the photoelectric sensor of photodetector system is fixed on the support, can maintain static, and also can move with second drive unit 52.
In another embodiment, see also Fig. 3 d, can also be provided with a damping piece 57 on the pressing piece 8.The effect of damping piece 57 is not influence loading, speed, reducing speed during decline when allowing pressing piece 8 rise.Damping piece 57 also can be arranged on the load spare 6.
The using method and the embodiment one of the key testing device of embodiment two are roughly the same, can be used for as shown in Figure 1 a button to be measured 9, and button 9 to be measured has reset function, is provided with upper and lower electrode points 12,13 in it.When the key testing device of embodiment two places on the button 9 to be measured, pressing piece 32 touches button 9 to be measured earlier, load spare 31 back contact pressing pieces 32, be equivalent to two sections of branches weight is applied on the button 9 to be measured, the weight that load spare 31 adds pressing piece 32 can make upper and lower electrode points 12, the 13 contact conductions in it after button 9 compressive strains to be measured.
Concrete, first drive unit 51 drives load spares 31 and pressing piece 32 slowly moves downward, and when the press section 323 of pressing piece 32 just during contact measured button 9, the stroke note of pressing piece 32 does 0.Second drive unit 52 drives button 9 to be measured and slowly motion up of pressing piece 32 afterwards, and at this moment, the power that is applied on the button 9 to be measured also will increase gradually, and first bolster 7 stretches gradually from initial contraction state.When the dynamics on being applied to button 9 to be measured equaled the weight of pressing piece 32, first bolster 7 recovered normal condition.Next, 321 beginnings of the bar portion of pressing piece 32 move upward in the host cavity 311 of load spare 31, contact with the roof of host cavity 311 until the top of bar portion 321, and in this process, the dynamics on the button 9 to be measured of being applied to equals the weight of pressing piece 32 all the time.Move in the continuation, when load spare 31 and pressing piece 32 move simultaneously, the weight that the dynamics on the button 9 to be measured of being applied to equals pressing piece 32 adds the weight of whole load spares 31, promptly, even second drive unit 52 drives button 9 to be measured and moves upward, the dynamics that is applied on the button 9 to be measured also no longer continue to increase, stabilize to pressing piece 32 and load spare 31 weight and.
Because first bolster 33 places between load spare 31 and the pressing piece 32, it can allow the weight of pressing piece 32 be applied to lentamente on the button 9 to be measured, and when external force when button 9 to be measured removes, can make the weight that is superimposed upon on the button 9 to be measured reduce lentamente.When removing external force, can above load spare 31, load spare 31 up be carried with the first known drive unit 51, also can be with known second drive unit, 52 past declines below button 9 bases to be measured, or two drive unit interactive actions, after making load spare 31 and pressing piece 32 separating, just only the weight of surplus pressing piece 32 is added on the button 9 to be measured.Then, when load spare 31 drives first bolster 33 up touches pressing piece 32, load spare 31 continues up, when certain design runlength, first bolster 33 will contact pressing piece 32 and drive pressing piece 32 and begin to leave button 9 to be measured, when pressing piece 32 left button 9 to be measured fully, above-mentioned stroke was just decided by the design of first bolster 33 fully.If the elasticity coefficient at first bolster 33 of this position is bigger, promptly be not easy to be compressed, its will be fast with pressing piece 32 weight removal from the button 9 to be measured, stroke, time are shorter.If the elasticity coefficient of first bolster 33 is less, promptly be compressed easily, with at a slow speed with pressing piece 32 weight removal from the button 9, stroke, time will be elongated.
Because the speed that weight reduces slows down, allow pick-up unit to have than plenty of time read test value, can be used to remove the time test of the weight that is applied to stressed object, also can be used to remove the stroke test of the weight that is applied to stressed object, so just, increased the degree of accuracy of measuring, as a weight and the stroke that the 5th any point that indicate 3 of 5 to the 4th sign points, 4 to the 3rd sign points on Fig. 1 curve are represented, can select to be used as standard testing.By comparison weight, reaching the resolution quality good and bad is purpose.
Please consult Fig. 4 a and Fig. 4 b simultaneously, key testing device and the embodiment two of embodiment three are roughly the same, comprise pressing piece 32, load spare 31, first bolster 33, first drive unit 51, second drive unit 52 and checkout equipment 55, its difference is, the key testing device of embodiment three also comprises second bolster 36 between the top of the top of being located at bar portion 321 and host cavity 311.
As previously mentioned, when second drive unit 52 drives buttons 9 to be measured and pressing piece 32 and slowly moves up, the power that is applied on the button 9 to be measured also will increase gradually, and first bolster 7 stretches gradually from initial contraction state.When the dynamics on being applied to button 9 to be measured equaled the weight of pressing piece 32, first bolster 7 recovered normal condition.Next, bar portion 321 beginnings of pressing piece 32 move upward in the host cavity 311 of load spare 31, top until bar portion 321 contacts with the roof of host cavity 311, in this process, second bolster 36 is compressed gradually, and the weight that the dynamics on the button 9 to be measured of being applied to equals pressing piece 32 adds the weight of fractional load spare 31.Move in the continuation, when load spare 31 and pressing piece 32 move simultaneously, the weight that the dynamics on the button 9 to be measured of being applied to equals pressing piece 32 adds the weight of whole load spares 31, promptly, even second drive unit 52 drives button 9 to be measured and moves upward, the dynamics that is applied on the button 9 to be measured also no longer continue to increase, stabilize to pressing piece 32 and load spare 31 weight and.
Because first bolster 33 places between load spare 31 and the pressing piece 32, and second bolster 36 places between the top of the top of bar portion 321 and host cavity 311, therefore can allow the weight of pressing piece 32 and load spare 31 be applied to lentamente on the button 9 to be measured, and when external force when button 9 to be measured removes, can make the weight that is superimposed upon on the button 9 to be measured reduce lentamente.In addition, exist in the time of first bolster 33 and second bolster 36, make to act on the pressurized weight process on the button 9 and can both obtain buffering, slow down, allow button to be measured 9 obtain enough, complete detection with time measurement mode or stroke measurment mode from the process that button 9 removes weight.
In another embodiment, see also Fig. 4 c, the device of Displacement Measurement is an optical detection system 56.The rule formula of photodetector system is installed on the pressing piece 8, and the photoelectric sensor of photodetector system is fixed on the support, can maintain static, and also can move with second drive unit 52.
In another embodiment, see also Fig. 4 d, can also be provided with a damping piece 57 on the pressing piece 8.The effect of damping piece 57 is not influence loading, speed, reducing speed during decline when allowing pressing piece 8 rise.Damping piece 57 also can be arranged on the load spare 6.
Please consult Fig. 5 a and Fig. 5 b simultaneously, key testing device and the embodiment two of embodiment four are roughly the same, comprise pressing piece 32, pressing piece 31, first bolster 33, first drive unit 51, second drive unit 52 and checkout equipment 55, its difference is that the top of pressing piece 31 also offers the guide hole 313 that is communicated with host cavity 311.The top of bar portion 321 also is provided with the guide pillar 323 that activity is arranged in guide hole 313.The width of guide hole 313 is less than the width of host cavity 321.Guide pillar 323 cooperatively interacts with guide hole 313, and reducing the friction force between the two, and activity is smooth and easy can guarantee that pressing piece 32 relative pressing pieces 31 slide up and down the time.
In another embodiment, see also Fig. 5 c, the device of Displacement Measurement is an optical detection system 56.The rule formula of photodetector system is installed on the pressing piece 8, and the photoelectric sensor of photodetector system is fixed on the support, can maintain static, and also can move with second drive unit 52.
In another embodiment, see also Fig. 5 d, can also be provided with a damping piece 57 on the pressing piece 8.The effect of damping piece 57 is not influence loading, speed, reducing speed during decline when allowing pressing piece 8 rise.Damping piece 57 also can be arranged on the load spare 6.
Please consult Fig. 6 a and Fig. 6 b simultaneously, key testing device and the embodiment four of embodiment five are roughly the same, comprise pressing piece 32, pressing piece 31, first bolster 33, first drive unit 51, second drive unit 52 and checkout equipment 55, its difference is, also comprises second bolster 36 that is sheathed on the guide pillar 323 and between the top of bar portion 321 tops and host cavity 341.The effect of second bolster 36, test philosophy and effect are similar to the effect of second bolster 36 of embodiment three.
In another embodiment, see also Fig. 6 c, the device of Displacement Measurement is an optical detection system 56.The rule formula of photodetector system is installed on the pressing piece 8, and the photoelectric sensor of photodetector system is fixed on the support, can maintain static, and also can move with second drive unit 52.
In another embodiment, see also Fig. 6 d, can also be provided with a damping piece 57 on the pressing piece 8.The effect of damping piece 57 is not influence loading, speed, reducing speed during decline when allowing pressing piece 8 rise.Damping piece 57 also can be arranged on the load spare 6.
See also Fig. 7 a and Fig. 7 b, the key test system of embodiment one comprises the key testing device of a plurality of continuous embodiment shown in Fig. 4 a three, and it can be applicable to test the keyboard that is combined by plurality of keys.During test, all buttons on the keyboard can be carried out the subregion test.Partitioned method can be multiple, for example will need a plurality of key groups to synthesize keyboard (as computer keyboard), when design, can divide the upper and lower electrode points 12,13 of all buttons 9 (comprising 131,132) up and down or about, height or the like separates with material, clearly is divided into both sides.The key test system of present embodiment also comprises control module, and this control module controls first drive unit and second drive unit detects separately each zone.Shown in Fig. 7 a, there are two key testing device A, B to be respectively applied for the test of two button 9A, 9B on the keyboard (in order to give top priority to what is the most important, this figure has omitted drive unit) among the figure.The limit 12 that powers on of button 9A, 9B is with the limit electrode and is designed to be connected together, to reach the matrix effect of minimum circuit.The bottom electrode point 131 of button 9A, 9B and 132 is non-disjunct contact with the limit electrode, so representative is a different key.
When button 9A, 9B are pressed down simultaneously, shown in Fig. 7 b, the limit 12 that powers on of button 9A, 9B is with one side electrode, also expression connects together, and how far the button that connects together of pipe electrode is not separated by, middle circuitous resistance size, so long as in design specification, the limit that powers on 12 can be connected with 132 conductings with bottom electrode point 131 simultaneously, owing to 2 bottom electrode points the 131, the 132nd, be contained in the bottom electrode of different key, the numerical value that two electrode points 131,132 read is just different, is different key thereby can tell button 9A, 9B.Button 9A, 9B can press logical simultaneously and not interfere with each other the value of reading, and reach the purpose that promotes test speed.Be appreciated that also and the bottom electrode point 131,132 of button 9A, 9B can be connected together that the corresponding electrode points of opposite side this moment is separated, and also can reach same purpose.Number of keys among Fig. 7 a or the 7b can be two without limits, can be ten, can be 50, looks the deviser and will allow same one side electrode of concrete what buttons connect together and determine.A corresponding key testing device on each button, the key testing device in all same districts can be up with 51 controls of first drive unit, press down fast and allow the conductings simultaneously of all buttons.Checkout equipment 55 is accurate value of reading that reads each button simultaneously, 51 controls of also available first drive unit press down action simultaneously in advance fast, rise at a slow speed with second drive unit 52 from button to be measured below again, test simultaneously, reaching maximum test effectiveness, when selecting usually, make no distinction of rank limit or limit, the left and right sides or the like, can select the concentration degree height, subregion is come on one side that quantity is many, that is can the fewer mode of subregion divide, and it is the fastest that speed can reach.
Fig. 7 c is the stereographic map of the key test system of an embodiment, and Fig. 7 d is a button inner conductive circuit enlarged diagram among Fig. 7 c.Because convenient the description, remove the figure of external form such as button keycap among Fig. 7 c, directly the conducting wire with button inside indicates explanation.
Among Fig. 7 c, 101,102,103,104 and 105 is fixed support, and 108,109 is first drive unit, and present embodiment is for to drive with the electromagnet mode.107 is internal wiring.
Divide to go up circuit and following circuit among Fig. 7 d, middle isolated with insulating material, formation one is purchased by bond.The electrode that has designed is arranged in the circuit up and down.Checkout equipment 55 is to be connected with route head of reaching the standard grade (Line 1 road-No. 2 circuit) and the route head that rolls off the production line (3-11 circuit) among Fig. 7 d.Go up the corresponding key proving installation action of circuit 1a position when driving, when the weight of load spare is enough, can will go up circuit 1a and down the 4a of circuit opposite position press logical, constitute the loop, checkout equipment 55 sees through that No. 4 circuits of circuit read signal under the last circuit Line 1 road, represents that button to be measured pressed logical.
Principle thus, last circuit Line 1 road has been designed 1a, 1b, 1c, 1d and five buttons of 1e simultaneously.When selecting these 5 button corresponding key proving installations to move simultaneously, the electrode points of last circuit (1a, 1b, 1c, 1d and 1e) will be distinguished corresponding circuit (4a, 3a, 5a, 6a and 7a) down and press logical simultaneously and the signal of telling each button can be clear and definite, can not interfere with each other, reach maximal efficiency.Same, No. 2 circuits of circuit are gone up in another district, the electrode points of last circuit (2a, 2b, 2c, 2d and 2e) will be distinguished the corresponding electrode points (12a, 11a, 10a, 9a and 8a) of circuit down and press the signal of telling each button that leads to and can be clear and definite simultaneously, can not interfere with each other, and reach maximal efficiency.
See also Fig. 8 a and Fig. 8 b, the key test system of embodiment two comprises the key testing device of a plurality of continuous embodiment shown in Fig. 6 a five, and the key test system of its use principle and embodiment one is similar.Be appreciated that key test system also can be made of the key testing device of a plurality of other embodiment (for example embodiment one, two, the fourth class).
See also Fig. 9, the key testing device of embodiment six is mainly used in and detects button 9 to be measured, and it comprises pressing piece 118, support 128, four load spares (119,120,121,122), first drive unit 51, second drive unit 52, four touch switch (123,124,125,126) and pick-up units 55.
Pressing piece 118 comprises the 118a of bar portion of strip and is positioned at the press section 118b of the 118a of bar portion one end.Evenly be intervally distributed with four trays 127 that shape is identical on the 118a of bar portion.Distance between adjacent two trays 127 equates that note is made d.
Support 128 comprises four back up pads that be arranged in parallel (133a, 133b, 133c, 133d).The middle part of each back up pad (133a, 133b, 133c, 133d) offers the through hole (not indicating) that allows bar 118a of portion and tray 127 to pass together.Two support columns 130 support about using between adjacent two back up pads.The equal in length of every support column 130, the distance between promptly adjacent two back up pads equates.
The shape of four load spares, weight is identical.Each load spare (119,120,121,122) is placed on the back up pad (133a, 133b, 133c, 133d) of a correspondence.Distance between adjacent two load spares equates that note is made D.So D>d is arranged.The middle part of each load spare (119,120,121,122) offers a via hole (indicate), and the aperture of this via hole is more bigger than the 118a of bar portion, but littler than tray 127, so the 118a of bar portion can pass this via hole, but tray 127 can't pass this via hole.
First actuator 51 links to each other with support 128, be used for driving arm 128 towards near or away from the motion of the direction of button 9 to be measured.Lower shaft moves or drive unit moving according to the designing requirement Y-axis or that the either direction axle is moving first drive unit 51 on the support 128 in order to impel, as: steam-operating device, electric device, numerical-control motor or the like.
Second drive unit 52 is fixedly linked with button 9 to be measured, be used to drive button 9 to be measured towards near or away from the direction motion of pressing piece 118.Similar with first drive unit 51, lower shaft moves or drive unit moving according to the designing requirement Y-axis or that the either direction axle is moving second drive unit 52 on the button 9 to be measured in order to impel, as: steam-operating device, electric device, numerical-control motor or the like.
Four touch switch (123,124,125,126) are located at respectively on four back up pads (133a, 133b, 133c, 133d).Each load spare (119,120,121,122) can be pushed the touch switch (123,124,125,126) of a correspondence.When the pressure activated touch switch of load spare, touch switch can outwards transmit signal, for example positive voltage or negative voltage signal.
Checkout equipment 55 respectively with top electrode 12, the bottom electrode 13 of button 9 to be measured, and four touch switch (123,124,125,126) are electric continuous, and displacement, reception button 9 quilts to be measured that are used to measure pressing piece 118 are pressed the signal when leading to and received the signal that four touch switch (123,124,125,126) send.In the present embodiment, pick-up unit 55 comprises the optical detection system of the displacement that is used to measure pressing piece.This optical detection system comprise the optical scale 141 that is installed on the 118a of bar portion and be installed on the support 128 and with optical scale 141 corresponding photoelectric sensor 142.In the present embodiment, optical scale 141 is that the opaque shading line of transparent material process black forms, and also can adopt Exposure mode, makes the shading line on transparent material, for photoelectric sensor 142 reading signals.Be appreciated that the optical detection system also can omit.
For pressing piece 118 is slided up and down, support 128 also comprises the last guided plate 129 of being located at back up pad 133a top and the following guided plate 140 of being located at back up pad 133d lower end.The 118a of bar portion slides and is arranged in guided plate 129 and following guided plate 140.
Describe the using method of the key testing device of present embodiment below in detail.
If the weight of pressing piece 118 is 20g; The weight of each load spare (119,120,121,122) is 15g.The standard that at first will measure normal button is as shown in figure 10 pushed displacement-velo curves M.Among Figure 10, dotted line V is stroke and the weight relationships line that the key testing device of present embodiment presents, and E, F, G, H, I are that four load spares (119,120,121,122) in Fig. 9 concern the location drawing when adding on the pressing piece 118 among the figure.
See also Figure 10 a, the first step, first drive unit 51 is started, support 128 is slowly moved downward, at this moment, because the tray 127 on the pressing piece 118 is shelved on down on the guided plate 140, so pressing piece 118 also will be followed support 128 and slowly be moved downward together.
See also Figure 10 b, as the press section of pressing piece 118 118b just during contact measured button 9, first drive unit 51 quits work, and this moment, the stroke note of pressing piece 118 did 0.
Second drive unit 52 drives button 9 to be measured and moves upward then, and pressing piece 118 is upwards boosted, and touches until the tray 127 of below till the load spare 122 of below.In this process, the dynamics that is applied on the button 9 to be measured is the weight of pressing piece 118, the E point 20g of corresponding Figure 10.At this moment, penult tray 127 is L with the distance of load spare 121, L=D-d; Third from the bottom tray 127 is 2L with the distance of load spare 120; A uppermost tray 127 is 3L with the distance of load spare 119.
See also Figure 10 c, second drive unit 52 continues to drive button 9 to be measured and moves upward, the tray 127 of below the load spare 122 of below push away back up pad 133d, till penult tray 127 touches load spare 121.In this process, the dynamics that is applied on the button 9 to be measured is that pressing piece 118 adds that the weight of a load spare 122 is 20g+15g=35g, is example with Figure 10, rises to the F point by the E point.When load spare 122 separated with back up pad 133d, touch switch 126 was touched, and sent a signal to checkout equipment 55, and the weight that checkout equipment 55 just can get primaryload spare 122 has been loaded on the pressing piece 118.
See also Figure 10 d, second drive unit 52 continues to drive button 9 to be measured and moves upward, and penult tray 127 pushes away back up pad 133c with load spare 121, till third from the bottom tray 127 touches load spare 120.In this process, the dynamics that is applied on the button 9 to be measured is that pressing piece 118 adds that the weight of two load spares 122 is 20g+15g+15g=50g, is example with Figure 10, rises to the G point by the F point.When load spare 121 just separated with back up pad 133c, touch switch 125 was touched, and sent a signal to checkout equipment 55, and the weight that checkout equipment 55 just can get primaryload spare 121 has been loaded on the pressing piece 118.
See also Figure 10 e, second drive unit 52 continues to drive button 9 to be measured and moves upward, and third from the bottom tray 127 pushes away back up pad 133b with load spare 120, till a uppermost tray 127 touches load spare 119.In this process, the dynamics that is applied on the button 9 to be measured is that pressing piece 118 adds that the weight of three load spares 122 is 20g+15g+15g+15g=65g, is example with Figure 10, rises to the H point by the G point.When load spare 120 just separated with back up pad 133b, touch switch 124 was touched, and sent a signal to checkout equipment 55, and the weight that checkout equipment 55 just can get primaryload spare 120 has been loaded on the pressing piece 118.
See also Figure 10 f, second drive unit 52 continues to drive button 9 to be measured and moves upward, and a uppermost tray 127 pushes away back up pad 133a with load spare 119.In this process, the dynamics that is applied on the button 9 to be measured is that pressing piece 118 adds that the weight of four load spares 122 is 20g+15g+15g+15g+15g=80g, is example with Figure 10, rises to the I point by the H point.When load spare 119 separated with back up pad 133a, touch switch 123 was touched, and sent a signal to checkout equipment 55, and the weight that checkout equipment 55 just can get primaryload spare 119 has been loaded on the pressing piece 118.
Above example be the mode of four load spares 119, the weight size of precision change load spare 119 optionally, the quantity number simultaneously also can the specification error scope.
Whether above-mentioned key testing device can detect button and push bad.For example, can be to be measured the logical weight of pressure set of button 9 be 65g, when three load spares 119 all are carried on the pressing piece 118, the design of button resetting structure arrives collapse point, pressing piece 118 descends fast the top electrode 12 in the button 9 to be measured, bottom electrode 13 is connected, and it is non-defective unit that checkout equipment 55 is judged this button.
Find during test, checkout equipment 55 has received the signal that three touch switch 126,125,124 send, promptly there are four load spares 119 to be added on the pressing piece 118, weight has surpassed 65g (being 80g), but do not read the top electrode 12 of button 9 to be measured, the signal that bottom electrode 13 is switched on, illustrate that then button 9 to be measured is logical by pressure yet, show that the logical loading of button 9 needs pressure to be measured is excessive, can be judged as defective products.
Find during test, checkout equipment 55 receives only the signal that two touch switch 126,125 send, when promptly having two load spares 119 to be added on the pressing piece 118, weight is less than 65g (for 50g), checkout equipment 55 has just received the top electrode 12 of button 9 to be measured, the signal that bottom electrode 13 is switched on, illustrate that then button 9 to be measured is logical by pressure too early, show that the logical loading of button 9 needs pressure to be measured is too small, can be judged as defective products.
Above-mentioned key testing device can also detect the bounce situations of button.After second drive unit 52 is shifted button 9 to be measured onto certain position together with pressing piece 118, the weight of a plurality of load spares 119 will be applied on the button 9 to be measured, make the resetting structure collapse of button 9 to be measured, curve M shown in Figure 10 arrives the button total travel, and button 9 to be measured is pressed logical.Afterwards, second drive unit 52 begins to move downward, and drives pressing piece 118 and descends, button 9 beginning rebound resets to be measured, and the resetting structure curve is shown in Figure 11 curve N.From the H point, during to the G point, touch switch 123 sends a signal and notifies load spares 119 by removal from pressing piece 118 to checkout equipment 55, and the weight that is applied to now on the button 9 to be measured is 65g-15g=50g.This moment, the pressure that bears of resetting structure of button 9 to be measured was higher and can't reset.Second drive unit 52 continues to move downward, when pressing piece 118 arrives the E point, checkout equipment 55 detects the signal that touch switch 124,125 and 126 sends, illustrate that load spare 120,121,122 is by removal, the weight that be applied on the button 9 to be measured this moment is 65g-15g-15g-15g=20g, less than the 35g of location point 3, the resetting structure of button 9 to be measured begins effect, and button 9 to be measured is upspring reverts to virgin state.
Above-mentioned key testing device can detect whether resilience was bad after the button pressure was led to.Please participate in Figure 12, when three load spares 120,121,122 are loaded on the pressing piece 118, when arriving the position 1 of Figure 12 upper curve M, the weight of load spare is enough pressed button 9 to be measured logical, this moment, the resetting structure of button 9 to be measured arrived collapse point, button 9 to be measured will drop to resetting structure minimum point 2 fast, and corresponding weight is 35g, and stroke is 1.8mm.What location point 2 was represented is the position of normal non-defective unit button.If measure the rebound curve of a certain button to be measured 9 is curve X shown in Figure 12, and resetting structure is put for the some 2a among Figure 12 (corresponding weight is 45g, and stroke is 1.5mm) most, and it is bad then can be judged as resilience.
Be understandable that last guided plate 129, following guided plate 140, second drive unit 52 also can omit.The quantity of load spare and tray 127 also can be two, three, five or more.Distance between adjacent two trays 127 also can have a little difference, distance between adjacent two load spares also can be by a little difference, distance between adjacent two back up pads also can only need be satisfied when moving on the pressing piece 118 by a little difference, and a plurality of load spares load successively and get final product.
See also Figure 13, the structure of the key testing device of embodiment seven and the key testing device of embodiment six is roughly the same, and its distinguishing characteristics is that the key testing device of embodiment seven also comprises four first bolsters (135,136,137 and 138).In the present embodiment, first bolster is a spring.Each first bolster is located between a tray 127 and the load spare (119,120,121 and 122).
The use-pattern of the key testing device of embodiment seven is similar to embodiment six, does not repeat them here.The effect of four first bolsters (135,136,137 and 138) is can slow down four load spares (119,120,121 and 122) to be loaded into speed above the pressing piece 118, be equivalent to the stroke of pressing piece 118 has been amplified, make the operator than the mode that is easier to measure stroke and detect difference.The elasticity coefficient of first bolster and length have determined the stroke amplification multiple.
Please consult Figure 12 once more, the extreme lower position of the non-defective unit curve M of the key testing device of embodiment six is point 2, and the curve of bad button is X, and extreme lower position is a 2a.Point 2a is than normal point 2 height, and strength is heavier when that is to say resilience, and the meeting that firing point arrives is slow.Unless this nuance personnel selection hand dipping, otherwise be difficult to go out, but use manual measurement can derive shortcomings such as standard disunity, speed are slow, cost height again with apparatus measures.Yet behind the key testing device of use embodiment seven, the problems referred to above can be greatly improved.Figure 14 is the test curve figure of the key testing device of embodiment seven.Progressive error between Figure 12 mid point 2 and the some 2a is 0.3mm, and Figure 14 mid point 2 is 1.25 with the stroke that some 2a shows, both have differed more than four times, after first bolster has been introduced in explanation thus, can zoom into bigger difference value for the bad error of button resetting structure and judge for checkout equipment 55.
See also Figure 15 a, the structure of the key testing device of embodiment eight and the key testing device of embodiment six is roughly the same, and its distinguishing characteristics is that the key testing device of embodiment eight also comprises four first bolsters (135,136,137 and 138).In the present embodiment, first bolster is a spring.Each first bolster is located between a load spare (119,120,121 and 122) and the back up pad (133a, 133b, 133c, 133d).
The use-pattern of the key testing device of embodiment eight is similar to embodiment seven, does not repeat them here.It is emphasized that, non-defective unit button decline rate is normal, bad button decline rate can be offseted by first bolster because of load spare, thereby decline rate is slack-off, so also article one bar code of the optical scale 141 that can read according to photoelectric sensor 142 and the mistiming of the bar code that reads are at last judged the quality quality of button.
See also Figure 15 b, the structure of the key testing device of present embodiment and the key testing device of embodiment six is roughly the same, its distinguishing characteristics is that the key testing device of present embodiment has omitted four touch switch, only judges the quality quality of button by the optical detection system.
See also Figure 15 c, the key testing device of present embodiment and the structure of the key testing device shown in Figure 15 b are roughly the same, and its distinguishing characteristics is, also is provided with damping piece 57 on the pressing piece 118.The effect of damping piece 57 as previously mentioned.
See also Figure 15 d, the key testing device of present embodiment and the structure of the key testing device shown in Figure 13 embodiment seven are roughly the same, its distinguishing characteristics is that the key testing device of present embodiment also comprises second bolster of being located between a tray and the support 128 143 bottom.In the present embodiment, second bolster 143 is located between bottom the tray 127 and following guided plate 140.The effect of second bolster 143 is after button 9 to be measured presses logical detection to finish, when detecting the reset capability survey of button to be measured, first drive unit 51 up moves the weight of load spare (119,120,121,122) is removed from button 9 to be measured, the related pressing piece 118 that removes is when surplus pressing piece 118 own weight only are applied to button 9 to be measured, and pressing piece 118 will be subjected to the effect of second bolster 143 and reduce weight slowly.
See also Figure 15 e, the key testing device of present embodiment and the structure of the key testing device shown in Figure 15 d are roughly the same, and its distinguishing characteristics is, also is provided with damping piece 57 on the pressing piece 118.The effect of damping piece 57 as previously mentioned.
See also Figure 15 f, the key testing device of present embodiment and the structure of the key testing device shown in Figure 15 d are roughly the same, its distinguishing characteristics is that each first bolster of four first bolsters (135,136,137 and 138) is located between a load spare (119,120,121 and 122) and the back up pad (133a, 133b, 133c, 133d).
See also Figure 15 g, the key testing device of present embodiment and the structure of the key testing device shown in Figure 15 e are roughly the same, its distinguishing characteristics is that each first bolster of four first bolsters (135,136,137 and 138) is located between a load spare (119,120,121 and 122) and the back up pad (133a, 133b, 133c, 133d).
See also Figure 16, the structure of the key testing device of embodiment nine and the key testing device of embodiment six is roughly the same, and its distinguishing characteristics is that first drive unit 51 is fixed on the support 134, and the piston rod of first drive unit 51 links to each other with pressing piece 118.First drive unit 51 can drive pressing piece 118 towards near or away from the motion of the direction of button 9 to be measured.
The use-pattern of the key testing device of embodiment nine is similar to embodiment six, does not repeat them here.
See also Figure 17, the key test system of embodiment three is combined by three key testing devices as embodiment nine that are arranged in order, and is used to detect three button 9a to be measured, 9b and 9c.The key test system of embodiment two comprises three pressing piece 118a, 118b, 118c, support 134,12 load spares (119a, 120a, 121a, 122a......119c, 120c, 121c, 122c), three first drive unit 51a, 51b, 51c, one second 52,12 touch switch of actuator (123a, 124a, 125a, 126a......123c, 124c, 125c, 126c) and a pick-up unit 55.Pick-up unit 55 comprises three optical scale 141a, 141b and 141c.
Each pressing piece 118a, 118b, 118c are provided with four trays (127a, 127c).
Support 134 comprises four back up pads that be arranged in parallel (137a, 137b, 137c, 137d).Two support columns 136 support about using between adjacent two back up pads.Support 134 also comprises the last guided plate 135 of being located at back up pad 137a top and the following guided plate 138 of being located at back up pad 137d lower end.
Three first drive unit 51a, 51b, 51c are fixed on the support 134, and the piston rod of each first drive unit 51a, 51b, 51c links to each other with pressing piece spare 118a, 118b, 118c respectively.The first drive unit 51a, 51b, 51c can drive pressing piece 118a, 118b, 118c towards near or away from the direction motion of button 9a to be measured, 9b and 9c.
All 12 touch switches (123a, 124a, 125a, 126a......123c, 124c, 125c, 126c) all link to each other with proving installation 55.Checkout equipment 55 also links to each other with top electrode 12a, 12b, 12c and bottom electrode 13a, 13b, the 13c of button 9a to be measured, 9b and 9c respectively.
Describe the using method of the key test system of present embodiment below in detail.
See also Figure 18 a, the first drive unit 51a, 51c start simultaneously, drive pressing piece 118a, 118c and move downward certain stroke together, are shelved on down on the guided plate 138 until tray 127a and 127c.The purpose of this step mainly is to distinguish the button that needs the button that detects and do not need to detect.
See also Figure 18 b, second drive unit 52 drives button 9a to be measured, 9c and is communicated with 9b and moves upward together, contact with button 9a to be measured, 9c respectively until the end of pressing piece 118a, 118c, this moment pressing piece 118a, 118c stroke note work 0.Because the first drive unit 51b is not activated, therefore button 9b to be measured can not contact with pressing piece 118b.
See also Figure 18 c, second drive unit, 52 driving button 9a to be measured, 9c move upward then, pressing piece 118a, 118c are upwards boosted, till penult tray 127a, 127c touch load spare 121a, 121c.In this process, the dynamics that is applied on button 9a to be measured, the 9c is the weight that pressing piece 118a, 118c add load spare 122a, a 122c.
See also Figure 18 d, second drive unit 52 drives button 9a to be measured, 9c and moves upward, and pressing piece 118a, 118c is upwards boosted, till third from the bottom tray 127a, 127c touch load spare 120a, 120c.In this process, the dynamics that is applied on button 9a to be measured, the 9c is the weight that pressing piece 118a, 118c add two load spare 122a, 122c.
See also Figure 18 e, second drive unit 52 continues to drive button 9a to be measured, 9c and moves upward, third from the bottom tray 127a, 127c are pushed away back up pad 137b with load spare 120a, 120c, till uppermost tray 127a, a 127c touch load spare 119a, 119c.In this process, the dynamics that is applied on button 9a to be measured, the 9c is the weight that pressing piece 118a, 118c add three load spare 122a, 122c.
See also Figure 18 f, second drive unit 52 continues to drive button 9a to be measured, 9c and moves upward, and uppermost tray 127a, a 127c push away back up pad 137a with load spare 119a, 119c.In this process, the dynamics that is applied on button 9a to be measured, the 9c is the weight that pressing piece 118a, 118c add four load spare 122a, 122c.
Whether the key test system of the foregoing description can detect button and push bad or resilience is not bad, and the mode of detection such as embodiment six are similar, do not repeat them here.The key test system of the foregoing description is the form that comprises three key testing devices, but is appreciated that the quantity of key testing device also can be two, four or more.
See also Figure 19, the structure of the key test system of the key test system of embodiment four and embodiment two is roughly the same, its difference is that the key test system of embodiment three also comprises 12 first bolsters (127a, 128a, 129a, 130a......127c, 128c, 129c, 130c).In the present embodiment, first bolster is a spring.Each first bolster is located between a load spare (119a, 120a, 121a, 122a......119c, 120c, 121c, 122c) and the tray (127a, 127c).The effect of first bolster is as described in the embodiment seven.
See also Figure 20, the structure of the key test system of the key test system of embodiment five and embodiment two is roughly the same, its difference is that the key test system of embodiment three also comprises 12 first bolsters (127a, 128a, 129a, 130a......127c, 128c, 129c, 130c).In the present embodiment, first bolster is a spring.Each first bolster is located between a load spare (119a, 120a, 121a, 122a......119c, 120c, 121c, 122c) and the back up pad (137a, 137b, 137c, 137d).
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (11)

1. a key testing device is characterized in that, comprising:
Pressing piece is used to push button to be measured;
Load spare links to each other movably with this pressing piece;
First bolster is located between this pressing piece and this load spare.
2. key testing device according to claim 1 is characterized in that, also comprises:
First drive unit links to each other with this load spare, be used to drive this load spare towards near or away from the direction motion of button to be measured;
Second drive unit, be used to drive button to be measured towards near or away from the direction motion of this pressing piece; And
Checkout equipment is used to measure the displacement of pressing piece and is applied to dynamics on the button to be measured.
3. key testing device according to claim 2, it is characterized in that: this checkout equipment comprises the optical detection system of the displacement that is used to measure pressing piece, this optical detection system comprise the optical scale that is installed on this pressing piece and with this optical scale corresponding photoelectric sensor.
4. key testing device according to claim 1, it is characterized in that: the inside of this load spare offers host cavity, the bottom of this load spare also offers the through hole that is communicated with this host cavity, this load spare is positioned at forming of this through hole on every side and compresses seat, this pressing piece comprises bar portion and is positioned at the press section of this bar portion one end, the width of this press section is less than the width of this bar portion, this bar portion activity is contained in this host cavity, this press section is arranged in this through hole, this first bolster, one end and this compress seat and offset, the end face of the other end and this bar portion offsets, and this key testing device also comprises second bolster between the top of being located at this bar portion top and this host cavity.
5. key test system, it is characterized in that: comprise a plurality of as any one described key testing device of claim 1 to 4, be used for testing simultaneously a plurality of buttons to be measured, each button to be measured comprises top electrode and bottom electrode, the top electrode of a plurality of buttons to be measured interconnects, and perhaps the bottom electrode of a plurality of buttons to be measured interconnects.
6. key test system according to claim 5 is characterized in that: also comprise control module, these a plurality of buttons to be measured are divided into a plurality of zones, and this control module controls this first drive unit and second drive unit detects separately each zone.
7. a key testing device is characterized in that, comprising:
Pressing piece is used to push button to be measured, and this pressing piece comprises bar portion and be positioned at the press section of this bar portion one end that this bar portion is provided with the tray at a plurality of intervals;
Support comprises a plurality of back up pads that be arranged in parallel and the support column between adjacent two back up pads, offers the through hole that allows this tray to pass on each back up pad;
A plurality of load spares, each load spare are placed on the back up pad, offer the via hole that allows this bar portion to pass but stop this tray to pass on each load spare, and the distance between adjacent two load spares are greater than the distance between adjacent two trays;
First drive unit links to each other with this support, be used to drive this bar portion towards near or away from the direction motion of button to be measured;
Second bolster is located between a tray and this support;
A plurality of touch switch, each touch switch are located on the back up pad, and can be triggered by the pressure of this load spare; And
Checkout equipment links to each other with button to be measured with these a plurality of touch switch, is used to measure the displacement of pressing piece and receive the signal that these a plurality of touch switch send.
8. key testing device according to claim 7 is characterized in that: also comprise a plurality of first bolsters, each first bolster is located between a tray and the load spare; Or each first bolster is located between a back up pad and the load spare.
9. a key testing device is characterized in that, comprising:
Pressing piece is used to push button to be measured, and this pressing piece comprises bar portion and be positioned at the press section of this bar portion one end that this bar portion is provided with the tray at a plurality of intervals;
Support comprises the back up pad and the support column between adjacent two back up pads of a plurality of parallel placements, offer the through hole that allows this tray to pass on each back up pad, and the distance between adjacent two back up pads is greater than the distance between adjacent two trays;
A plurality of load spares, each load spare are placed on the back up pad, offer the via hole that allows this bar portion to pass but stop this tray to pass on each load spare;
Second bolster is located between a tray and the support;
First drive unit is fixed on the support, and links to each other with this bar portion, be used to drive this press section towards near or away from the direction motion of button to be measured;
Checkout equipment, button to be measured links to each other, this checkout equipment comprises the optical detection system of the displacement that is used to measure pressing piece, this optical detection system comprise the optical scale that is installed on this bar portion and be installed on this support and with this optical scale corresponding photoelectric sensor.
10. key testing device according to claim 9 is characterized in that: also comprise damping piece, be located on this pressing piece or this load spare.
11. key testing device according to claim 10 is characterized in that: bolster, damping piece can be to go up or following unidirectional buffering, can be bidirectional buffering, material, shape, buffer size is regardless of.
CN201210015413.8A 2012-01-18 2012-01-18 Button testing device and key test system CN103217643B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210015413.8A CN103217643B (en) 2012-01-18 2012-01-18 Button testing device and key test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210015413.8A CN103217643B (en) 2012-01-18 2012-01-18 Button testing device and key test system

Publications (2)

Publication Number Publication Date
CN103217643A true CN103217643A (en) 2013-07-24
CN103217643B CN103217643B (en) 2015-11-25

Family

ID=48815603

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210015413.8A CN103217643B (en) 2012-01-18 2012-01-18 Button testing device and key test system

Country Status (1)

Country Link
CN (1) CN103217643B (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104375080A (en) * 2013-08-16 2015-02-25 群光电子股份有限公司 Key test device and method
CN104626154A (en) * 2013-11-13 2015-05-20 珠海格力电器股份有限公司 Pressing manipulator and automatic key service life detection device
CN105258941A (en) * 2015-11-30 2016-01-20 广东小天才科技有限公司 Key life test device
CN105277349A (en) * 2015-10-26 2016-01-27 昆山鸿志犀自动化机电设备有限公司 Hand test head
CN105445000A (en) * 2014-08-27 2016-03-30 苏州杰锐思自动化设备有限公司 Knocking head for knocking test and knocking test device
CN105445654A (en) * 2014-09-29 2016-03-30 苏州杰锐思自动化设备有限公司 Knocking head for knocking test and knocking testing device
CN105675270A (en) * 2014-11-17 2016-06-15 苏州杰锐思自动化设备有限公司 Attacking head module for hand feeling test and hand feeling test device
CN105929327A (en) * 2016-06-18 2016-09-07 中航华东光电有限公司 Key travel testing device and method
CN106483454A (en) * 2015-09-02 2017-03-08 东莞东聚电子电讯制品有限公司 Keyboard detection method and for the testing agency in the method
CN106706296A (en) * 2017-01-06 2017-05-24 上海瀚海检测技术股份有限公司 Method for detecting fatigue hand-feeling of key
CN107076791A (en) * 2017-01-25 2017-08-18 深圳市汇顶科技股份有限公司 By compression testing device, system and method
CN108957179A (en) * 2016-03-25 2018-12-07 江苏凯尔生物识别科技有限公司 Fingerprint mould group pressure test device
CN109753105A (en) * 2018-12-26 2019-05-14 新松机器人联合研究院(苏州)有限公司 Multiple spot key system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1932538A (en) * 2006-09-29 2007-03-21 赖贵城 Weight gravity tester
TWM328568U (en) * 2007-04-23 2008-03-11 Darfon Electronics Corp Automatic keyboard inspection apparatus
CN201107364Y (en) * 2007-11-09 2008-08-27 英华达(上海)电子有限公司 Device lifetime test device
CN101275884A (en) * 2007-03-29 2008-10-01 明基电通股份有限公司 Testing device
CN201269816Y (en) * 2008-09-28 2009-07-08 英业达股份有限公司 Moving key test machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1932538A (en) * 2006-09-29 2007-03-21 赖贵城 Weight gravity tester
CN101275884A (en) * 2007-03-29 2008-10-01 明基电通股份有限公司 Testing device
TWM328568U (en) * 2007-04-23 2008-03-11 Darfon Electronics Corp Automatic keyboard inspection apparatus
CN201107364Y (en) * 2007-11-09 2008-08-27 英华达(上海)电子有限公司 Device lifetime test device
CN201269816Y (en) * 2008-09-28 2009-07-08 英业达股份有限公司 Moving key test machine

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104375080A (en) * 2013-08-16 2015-02-25 群光电子股份有限公司 Key test device and method
CN104626154B (en) * 2013-11-13 2016-05-25 珠海格力电器股份有限公司 Press manipulator and automatic keying life detecting device
CN104626154A (en) * 2013-11-13 2015-05-20 珠海格力电器股份有限公司 Pressing manipulator and automatic key service life detection device
CN105445000A (en) * 2014-08-27 2016-03-30 苏州杰锐思自动化设备有限公司 Knocking head for knocking test and knocking test device
CN105445654A (en) * 2014-09-29 2016-03-30 苏州杰锐思自动化设备有限公司 Knocking head for knocking test and knocking testing device
CN105675270A (en) * 2014-11-17 2016-06-15 苏州杰锐思自动化设备有限公司 Attacking head module for hand feeling test and hand feeling test device
CN106483454A (en) * 2015-09-02 2017-03-08 东莞东聚电子电讯制品有限公司 Keyboard detection method and for the testing agency in the method
CN106483454B (en) * 2015-09-02 2019-10-18 东莞东聚电子电讯制品有限公司 Keyboard detection method and for the testing agency in this method
CN105277349A (en) * 2015-10-26 2016-01-27 昆山鸿志犀自动化机电设备有限公司 Hand test head
CN105258941A (en) * 2015-11-30 2016-01-20 广东小天才科技有限公司 Key life test device
CN108957179A (en) * 2016-03-25 2018-12-07 江苏凯尔生物识别科技有限公司 Fingerprint mould group pressure test device
CN108957178A (en) * 2016-03-25 2018-12-07 江苏凯尔生物识别科技有限公司 More pressure adjustable test devices for bio-identification mould group
CN105929327B (en) * 2016-06-18 2018-07-03 中航华东光电有限公司 key stroke test device and method
CN105929327A (en) * 2016-06-18 2016-09-07 中航华东光电有限公司 Key travel testing device and method
CN106706296A (en) * 2017-01-06 2017-05-24 上海瀚海检测技术股份有限公司 Method for detecting fatigue hand-feeling of key
WO2018137227A1 (en) * 2017-01-25 2018-08-02 深圳市汇顶科技股份有限公司 Pressing test device, system and method
CN107076791A (en) * 2017-01-25 2017-08-18 深圳市汇顶科技股份有限公司 By compression testing device, system and method
CN109753105A (en) * 2018-12-26 2019-05-14 新松机器人联合研究院(苏州)有限公司 Multiple spot key system

Also Published As

Publication number Publication date
CN103217643B (en) 2015-11-25

Similar Documents

Publication Publication Date Title
CN204286649U (en) A kind of bionic three-dimensional capacitance type touch sensor of tentacle structure
CN202978876U (en) Combined force and proximity sensing apparatus and related portable apparatus
JP4940303B2 (en) Data input device
US4521685A (en) Tactile sensor for an industrial robot or the like
CN101427468B (en) Reconfigurable tactile sensor input device
US8613231B2 (en) Sheet-like tactile sensor system
CN103926496B (en) The test device and method and touch-screen module of touch-screen module
CN1302286C (en) Probe contacting system having plane adjusting mechanism
CN201749132U (en) Test fixture
CN101901090B (en) Display device
CN105975137A (en) Touch display panel and touch display device
US9148142B2 (en) Capacitive touch keyboard
CN202351395U (en) Device for testing dynamic property of circuit breaker
TWI386647B (en) A probe head assembly for use in testing multiple wafer die
CN102105852B (en) Single sided capacitive force sensor for electronic devices
CN106020559A (en) Pressure induction detection device, electronic equipment and touch display screen
US5385477A (en) Contactor with elastomer encapsulated probes
EP0403020A2 (en) Non-destructive evaluation of structural members
EP0547742A1 (en) Triaxial accelerometer
CN101821700B (en) Uniform threshold for capacitive sensing
KR20110110344A (en) Conductive multi-touch touch panel
JP5307726B2 (en) Method for activating and controlling scrolling on a touchpad
KR101121943B1 (en) Pressure sensor using electromagnetic coupling
CN102109923A (en) Pointing member, position detection apparatus and position detection method
TWI375035B (en)

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant