CN109682590A - A kind of keyboard test machine and test equipment - Google Patents
A kind of keyboard test machine and test equipment Download PDFInfo
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- CN109682590A CN109682590A CN201910120523.2A CN201910120523A CN109682590A CN 109682590 A CN109682590 A CN 109682590A CN 201910120523 A CN201910120523 A CN 201910120523A CN 109682590 A CN109682590 A CN 109682590A
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- 238000012360 testing method Methods 0.000 title claims abstract description 168
- 238000009527 percussion Methods 0.000 claims abstract description 43
- 238000010079 rubber tapping Methods 0.000 claims abstract description 30
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract 1
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- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000009849 deactivation Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- DNTFEAHNXKUSKQ-RFZPGFLSSA-N (1r,2r)-2-aminocyclopentane-1-sulfonic acid Chemical compound N[C@@H]1CCC[C@H]1S(O)(=O)=O DNTFEAHNXKUSKQ-RFZPGFLSSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
Abstract
The present invention discloses a kind of keyboard test machine and test equipment, is related to reliability test equipment technical field.The keyboard test machine includes that keyboard is placed on, and tapping component includes tapping driving source and being connected to the striking head for tapping the output end of driving source, and percussion driving source is configured as driving striking head and taps corresponding key on keyboard；Pressure test unit one end and the bottom surface of bottom plate connect, and pressure test unit is configured as the pressure that induction bottom plate is subject to；Lifting driving assembly is connect with the pressure test unit other end, and it is mobile to change keyboard and tap the distance between component that lifting driving assembly is configured as driving bottom plate；Control unit is connect with keyboard, percussion driving source, pressure test unit and lifting driving assembly signal respectively.Test equipment uses above-mentioned keyboard test machine.Keyboard test machine proposed by the present invention, is able to record the pressure value of key tap, and the power that when key tap applies is easy to adjust；The testing efficiency of test equipment is high, high degree of automation.
Description
Technical field
The present invention relates to reliability test equipment technical field more particularly to a kind of keyboard test machine and test equipments.
Background technique
Keyboard is a kind of instruction and data input unit for operating equipment operation, often needs to carry out before factory reliable
Property test, to examine the reliability of key.The content of test includes: continuously to tap the same key until the keys deactivation, note
Record the service life of the key；The same key is continuously tapped until reaching setting testing time (such as 1,000,000 times), records the key
Whether fail；And multiple keys are tapped at random until reaching setting testing time (such as 1,000,000 times), recording all keys is
No failure.Also, the size of the power applied when keyboard test machine key tap, needs to meet the test request of different keyboards,
Otherwise test result is inaccurate.
Keyboard test owner in the prior art will include test platform, motion bracket, a driving assembly and test block,
Wherein keyboard is placed on test platform, and the top of test platform is arranged in motion bracket, and multiple surveys are mounted on motion bracket
Test specimen, the force head of each test block are arranged towards keyboard, and a driving assembly can drive motion bracket in vertical direction
Upper reciprocating movement, so that the force head of all test blocks can continuously tap the key on keyboard.Due to driving movement branch
Frame drives all test blocks while moving, each test block can not single movement, and there are many kinds of the projects of actual test, needle
When to different test items, keyboard test machine in the prior art can only be shut down, and adjust quantity and the position of test block, when test
Between it is long, low efficiency, cannot achieve automation control at this time；The power applied when key tap simultaneously is inconvenient to adjust, and can not record
The pressure value of key tap.
Summary of the invention
In view of the above-mentioned problems, being able to record key tap it is an object of the invention to propose a kind of keyboard test machine
Pressure value, the power that when key tap applies are easy to adjust.
Another object of the present invention is to propose a kind of test equipment, and testing efficiency is high, high degree of automation.
The invention adopts the following technical scheme:
A kind of keyboard test machine, including bottom plate, keyboard are placed on the bottom plate, further includes:
Multiple percussion components, are arranged in the top of bottom plate, and the percussion component includes tapping driving source and being connected to institute
The striking head for tapping the output end of driving source is stated, the percussion driving source is configured as that the striking head is driven to tap the keyboard
Upper corresponding key；
Pressure test unit, one end are connect with the bottom surface of the bottom plate, and the pressure test unit is configured as incuding
The pressure that the bottom plate is subject to；
Driving assembly is gone up and down, is connect with the pressure test unit other end, the lifting driving assembly is configured as
Drive the bottom plate mobile to change the distance between the keyboard and the percussion component；
Control unit is driven with the keyboard, the percussion driving source, the pressure test unit and the lifting respectively
Dynamic component signals connection.
As a kind of optinal plan of the invention, the lifting driving assembly includes going up and down driving source and lifting and driving portion,
The lifting driving source and the lifting and driving portion are sequentially connected, the lifting and driving portion and the pressure test unit other end
Connection.
As a kind of optinal plan of the invention, the lifting and driving portion includes belt pulley, belt, screw rod and screw rod spiral shell
Mother, the output end of the lifting driving source and one end of the screw rod are provided with belt pulley, and the belt is tensioned is arranged respectively
On two belt pulleys, the feed screw nut is threaded through on the screw rod, the feed screw nut and the pressure test list
First other end connection.
As a kind of optinal plan of the invention, the keyboard test machine further includes rack, and the rack includes workbench
With the support frame above setting workbench, the percussion component connect with support frame as described above, the lifting driving assembly with it is described
Workbench connection, the bottom plate setting are square on the workbench.
As a kind of optinal plan of the invention, the lower surface of the lifting driving assembly and the workbench is fixed to be connected
It connects, through-hole is provided on the workbench, the feed screw nut and the pressure test unit can pass through the through-hole.
As a kind of optinal plan of the invention, the lifting driving assembly further includes interconnecting piece, and the interconnecting piece includes
First connecting plate, the second connecting plate and connecting column, the lifting driving source and the screw rod are connected on first connecting plate,
First connecting plate is fixedly connected with the lower surface of the workbench by connecting column；The feed screw nut and the pressure are surveyed
Examination unit passes through the second connecting plate connection respectively, and second connecting plate can pass through the through-hole.
As a kind of optinal plan of the invention, support frame as described above includes crossbeam and column, at least two column phases
To the two sides that the bottom plate is arranged in, the crossbeam is arranged between two columns, and multiple percussion inter-modules are every setting
It sets on the crossbeam.
As a kind of optinal plan of the invention, support frame as described above further includes cross bar, and the cross bar is connected to ipsilateral two
Between a column, the cross bar is slidably connected with the crossbeam.
As a kind of optinal plan of the invention, the percussion component further includes buffer, one end of the buffer with
The output end connection for tapping driving source, the other end of the buffer are connect with the striking head.
A kind of test equipment, using above-mentioned keyboard test machine.
The invention has the benefit that
A kind of keyboard test machine proposed by the present invention, by the way that multiple percussion components are arranged, each percussion component includes tapping
Driving source taps the striking head of the output end of driving source with being connected to, and control unit is connect with component signals are tapped, so that tapping
Component can single movement to tap keyboard, for different test item requirements, do not need shutdown adjustment, each percussion group
The movement for the problem that test request can be realized automatically in part, solve in the prior art test block can not single movement, mention
High testing efficiency；Driving assembly is gone up and down by setting, control unit is connect with lifting driving assembly signal, so that lifting driving
Component can drive bottom plate mobile to change the distance between keyboard and percussion component, in the certain situation of striking head moving distance
Under, the distance between keyboard and percussion component are closer, then the pressure that keyboard receives is bigger, otherwise smaller, come by this method
The power for tapping keyboard every time is adjusted, solves the problems, such as that the size of power when key tap in the prior art is inconvenient to adjust；Lead to again
Setting pressure test unit is crossed to incude the pressure that bottom plate is subject to, control unit is connect with pressure test cell signal, so that often
When secondary percussion, pressure test unit is able to detect that the pressure being applied on keyboard, and will test pressure value with signal shape
Formula is sent to control unit, and control unit can receive the signal and record corresponding pressure value；Pass through control unit and keyboard
Signal connection, can accurately understand whether keyboard damages within the testing time.
A kind of test equipment proposed by the present invention, using above-mentioned keyboard test machine, testing efficiency is high, the degree of automation
It is high.
Detailed description of the invention
Fig. 1 is schematic diagram of the keyboard test machine provided in an embodiment of the present invention under the first visual angle；
Fig. 2 is the schematic diagram that keyboard test machine provided in an embodiment of the present invention conceals shell under the second visual angle；
Fig. 3 is the partial enlarged view in Fig. 1 at A；
Fig. 4 is the schematic diagram that component is tapped in keyboard test machine provided in an embodiment of the present invention.
In figure:
1- bottom plate；2- taps component；3- pressure test unit；4- goes up and down driving assembly；5- rack；
21- taps driving source；22- striking head；23- buffer；
41- goes up and down driving source；42- lifting and driving portion；43- interconnecting piece；
51- workbench；52- support frame；53- shell；
421- belt pulley；422- screw rod；423- feed screw nut；
The first connecting plate of 431-；The second connecting plate of 432-；433- connecting column；434- guide post；
511- through-hole；521- crossbeam；522- column；523- cross bar；
100- keyboard.
Specific embodiment
To make present invention solves the technical problem that-the technical solution that uses and the technical effect that reaches are clearer, below
It will be described in further detail in conjunction with technical solution of the attached drawing to the embodiment of the present invention, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected "-" connection "-" fixation " is answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature second feature " on "-" top " and " above " include first special
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under "-" lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Fig. 1 is schematic diagram of the keyboard test machine provided in an embodiment of the present invention under the first visual angle, and Fig. 2 is implementation of the present invention
The keyboard test machine that example provides conceals the schematic diagram of shell under the second visual angle, proposed by the present invention shown in complex chart 1 and Fig. 2
Keyboard test owner will include bottom plate 1, tap component 2, pressure test unit 3, lifting driving assembly 4 and control unit (in figure
It is not shown), control unit is connect with keyboard 100, percussion component 2, pressure test unit 3 and lifting 4 signal of driving assembly respectively,
For realizing automation control.Wherein, keyboard 100 is placed on bottom plate 1, multiple tops for tapping component 2 and bottom plate 1 being arranged in,
Tapping component 2 includes tapping driving source 21 and being connected to the striking head 22 for tapping the output end of driving source 21, taps driving source 21
It is configured as driving striking head 22 and taps corresponding key on keyboard 100；One end of pressure test unit 3 and the bottom surface of bottom plate 1
Connection, the pressure being subject to for incuding bottom plate 1, lifting driving assembly 4 are connect with 3 other end of pressure test unit, lifting driving
Component 4 changes the distance between keyboard 100 and percussion component 2 for driving bottom plate 1 mobile.
The course of work of keyboard test machine provided in an embodiment of the present invention are as follows:
Preparation process: according to the requirement of test, including the requirement of the pressure value applied to key on keyboard, testing time is wanted
It asks, and test termination condition (such as: terminate after tapping keyboard 1,000,000 times, whether detection key fails；Or persistently key tap is straight
Then stop testing to its failure), by above-mentioned requirements input control unit.Keyboard 100 is located and fixed on bottom plate again.
Test phase: control unit control lifting driving assembly 4 acts, and promotion bottom plate 1 is close to component 2 is tapped, until
It moves to a certain position to stop, tapping the distance between component 2 and keyboard 100 at this time can guarantee that striking head 22 is tapped in keyboard
When 100, the pressure that keyboard 100 is subject to is preset value；Control unit issues signal to driving source 21 is tapped, and makes to tap driving source 21
Movement is to drive striking head 22 to act, and the lasting key tapped in keyboard 100, pressure test unit 3 is able to detect at this time at this time
The pressure that bottom plate 1 is subject to, and the pressure value signal is passed into control unit.
Terminate test: in the case where meeting test termination condition, control unit issues signal to component 2 is tapped, and taps component 2 and stops
Stop is made, and test terminates.
Keyboard test machine provided in an embodiment of the present invention is by being arranged multiple percussion components 2, control unit and percussion component 2
Signal connection so that tap component 2 can single movement to tap keyboard 100, solving test block in the prior art can not
The problem of single movement, improves testing efficiency；Driving assembly 4 is gone up and down by setting, control unit and lifting driving assembly 4 are believed
The distance between number connection, lifting driving assembly 4 to drive bottom plate 1 mobile to change keyboard 100 and tap component 2,
In the case where 22 moving distance of striking head is certain, keyboard 100 and to tap the distance between component 2 closer, then keyboard 100 by
Pressure it is bigger, otherwise it is smaller, by this method come adjust every time tap keyboard 100 power, solve and strike in the prior art
The size of power is inconvenient to the problem of adjusting when hitting key；Again by setting pressure test unit 3 to incude the pressure that bottom plate is subject to,
Control unit is connect with 3 signal of pressure test unit, and when so that tapping every time, control unit, which can sense, is applied to keyboard
Pressure on 100, and will test pressure value and control unit is sent to signal form, control unit can receive the signal simultaneously
Corresponding pressure value is recorded, so that test result is more accurate, reliable；It is connect, is controlled with 100 signal of keyboard by control unit
Whether the signal accurate judgement keyboard 100 that unit can be sent according to keyboard 100 damages within the testing time.
It is worth noting that so-called signal connection belongs to the normal of this field in keyboard test machine proposed by the present invention
Advise technological means.Wherein, the pressure test unit 3 recorded in the present embodiment belongs to the technology of this field maturation, pressure test list
Member 3 is chosen as common pressure sensor, such as the ZZ110-008 sensor of Shanghai Zhi Zhan TT&C system Co., Ltd production,
Any pressure sensor that can be realized pressure detecting in the prior art can be used in the present embodiment.When striking head 22 taps
When on keyboard 100, pressure test unit 3 can incude pressure value at this time, and convert electric signal for the pressure value and pass
Pass control unit.Control unit is chosen as common universal control unit, can be centralization or distributed controller,
For example, control unit can be an individual single-chip microcontroller, the muti-piece single-chip microcontroller for being also possible to distribution is constituted, and can be Japanese pine
The universal control unit of lower PLC AFPXHC60TD, has interior access instruction, analysis instruction and the function of executing instruction, that is, reads
The electric signal for taking different sensors to feed back, and analyzed according to electric signal, then export electric signal to the function of different executing agencies
Can, the control unit recorded in the present embodiment belongs to the technology of this field maturation, and the present embodiment uses in the prior art can be real
The control unit of existing automation control.
It is worth noting that keyboard 100 can be connect by the way of wired or wireless with control unit signal, one is struck
It hits component 2 and taps a key, control unit can be fed back to by tapping the signal that component 2 acts, while the key is tapped
Also control unit can be fed back to, control unit has read both signals, turns out this time and taps without so that the keys deactivation；
Accordingly, when some key is tapped without feeding back to control unit electric signal, i.e., control unit read percussion group
Signal of the signal that part 2 is fed back without reading key feedback, turns out the secondary percussion so that the keys deactivation.Therefore
It can be concluded that control unit is tapped the signal of feedback by the signal and corresponding key that read the percussion movement of component 2, come
Judge whether key fails, and due to two kinds of signals when is one-to-one, senses the number of two kinds of signals simultaneously, it is just right
The number effectively tapped is answered, from another perspective, corresponds to the service life of the key.
It is worth noting that from figure 1 it appears that tapping component 2 is provided with multiple, and the key on keyboard 100
Have multiple, since the lower surface of bottom plate 1 is arranged in pressure test unit 3, in the center of gravity that bottom plate 1 is set, only strikes
That key of the center of gravity of bottom plate 1 is hit, the pressure value that pressure test unit 3 senses is likely to and sets the pressure of key tap
Force value is equal；And other any keys are tapped, the point of application generates a torque between the center of gravity, and pressure test unit 3 is real
The numerical value that border detects, the actual pressure value with key tap are unequal.Therefore, pressure test unit 3 detected
Numerical value and the actually applied numerical value on key have a corresponding relationship, which can be derived by test of many times data back
It obtains.
It is worth noting that since each percussion component 2 can be summed up with single movement to tap keyboard
Several working conditions below do not do excessive expansion, several different working conditions of corresponding description pressure test unit 3:
One key of percussion of percussion component 2 of working condition one, one:
No matter specific location of the key on entire keyboard 100 is at which, and pressure test unit 3 can when tapping every time
The pressure value tested is theoretically identical, if the data that pressure test unit 3 detects every time do not mutate, it was demonstrated that should
Test process is reasonable；If the data that pressure test unit 3 detects mutate, it was demonstrated that it is to ask that this time, which taps keyboard,
Topic.
Working condition two, multiple percussion components 2 tap corresponding multiple keys simultaneously:
It is similar with situation in working condition one, it is every although multiple percussion components 2 tap corresponding multiple keys simultaneously
The pressure value that pressure test unit 3 can be tested when secondary percussion is theoretically identical.
Working condition three, multiple percussion components 2 tap multiple keys at random:
Can be realized at random by inputting random process in a control unit in working condition three, belongs to the normal of this field
Use means.It is carried out at random due to tapping, pressure test unit 3 at this time detects the pressure that entire keyboard 100 is subject to
Change at random.
Below by the specific structure of all parts of main description keyboard test machine, then introduce the cooperation between all parts
Relationship (positional relationship and connection relationship) and functional effect, it is emphasized that the structure feature of all parts in the application,
On the basis of present disclosure, on the basis of those skilled in the art, relevant combination can be carried out, to be formed with
The technical solution of effect.
Rack 5 is introduced first, and rack 5 is the load-bearing part of the entire each functional unit of keyboard test machine.
As depicted in figs. 1 and 2, rack 5 includes workbench 51, support frame 52 and shell 53, and wherein work is arranged in support frame 52
Make the top of platform 51, shell 53 is used to protect internal functional parts；Multiple percussion components 2 are connect with support frame 52, lifting
Driving assembly 4 is connect with workbench 51, and bottom plate 1 is arranged above workbench 51.
Specifically, Fig. 3 is the partial enlarged view in Fig. 1 at A, and Fig. 3 is as it can be seen that support frame 52 includes crossbeam 521 and column
522, at least two sides that are oppositely arranged on bottom plate 1 of two root posts 522, crossbeam 521 are arranged between two root posts 522, that is, pass through
Crossbeam 521 and column 522 form a gantry frame structure, and the two sides of bottom plate 1 are arranged in.
In the present embodiment, column 522 is provided with four, and two are one group, is separately positioned on the two sides of bottom plate 1.It is optional
A piece cross bar 523 is set between two ipsilateral columns 522, and cross bar 523 is slidably connected with crossbeam 521, then by multiple percussions
Component 2 is arranged at intervals on crossbeam 521.This structure setting makes overall structure more stable.
From figure 3, it can be seen that being additionally provided with sliding rail on cross bar 523, sliding block is provided on crossbeam 521, sliding block can
It is slided along sliding rail, to realize that cross bar 523 is slidably connected with crossbeam 521.Cross bar 523 and crossbeam 521 are set as being slidably connected
Purpose is to adjust the position of crossbeam 521, the percussion component 2 on setting crossbeam 521 is accurately located, realizes every
A striking head 22 can accurately tap on corresponding key.In order to which the function is better achieved, the present embodiment can be selected in cunning
It is carved with graduation mark on rail, using the edge of sliding block as instruction, can show specific position of the crossbeam 521 on cross bar 523 well
It sets, in order to which testing crew adjusts position.
It is described below and taps component 2, tap the execution unit that component 2 is keyboard test machine.
Fig. 4 is the schematic diagram that component is tapped in keyboard test machine provided in an embodiment of the present invention, as shown in figure 4, percussion group
Part 2 includes tapping driving source 21 and being connected to the striking head 22 for tapping the output end of driving source 21, taps driving source 21 and is chosen as
Cylinder, striking head 22 are the Rubber end that end is in arc-shaped, prevent from repeatedly tapping keyboard 100 and bucketing beating keyboard 100 causes to damage
Wound.During test, cylinder is ceaselessly extended and retracted, and corresponding Rubber end presses down on key and lifts again, realizes percussion effect.
Know that an elastic component is arranged at each key bottom of existing keyboard 100, so that each key of keyboard 100 is pressed
There is a bounce when pressure, feeling is better；Elastic component tap driving source 21 drive striking head 22 movement with key tap when,
Provide certain buffer function.
In order to further strengthen this buffer function, buffer is also provided between driving source 21 and striking head 22 tapping
23, the inside of buffer 23 is optional to be provided with spring structure.Buffer 23 is driven to act tapping driving source 21, striking head 22 is supported
Connecing spring structure when on the key of keyboard 100, in buffer 23 can deform, and reduce the hard impact to keyboard 100.
In the present embodiment, as shown in Figure 2, it taps component 2 vertically downwards, is arranged towards keyboard 100, and strike
Driving source 21, buffer 23 and striking head 22 is hit to be chosen as coaxial and be threadedly coupled fixation.It is in plank that specially crossbeam 521 is whole
Shape has been arranged an installation shell outside driving source 21 tapping, which includes two sub- shells being oppositely arranged,
One sub- shell covers on tapping driving source 21, and is connected on a face of crossbeam 521, and another sub- shell is from being connected to cross
On another face of beam 521, then is cooperated by screw bolt and nut and tightened.This structure type saves installation space, and disassembly side
Just, it will not cause to damage to driving source 21 is tapped；In other embodiments, tapping driving source 21 and crossbeam 521 can also pass through
Other forms are fixed, and are not unfolded excessively herein.
Lifting driving assembly 4 is described below, the effect of lifting driving assembly 4 is that driving bottom plate 1 moves up and down, i.e. lifting is driven
The movement locus of dynamic component 4 is linear motion, and there are many structure types that can be realized linear motion, selects in the present embodiment
The fit system of screw rod and feed screw nut.
As shown in Figure 2, lifting driving assembly 4 includes lifting driving source 41 and lifting and driving portion 42, goes up and down driving source 41
It is sequentially connected with lifting and driving portion 42, lifting and driving portion 42 is connect with 3 other end of pressure test unit.
In the present embodiment, lifting driving source 41 is motor, is chosen as servo motor to mention high control precision；Lifting and driving
Portion 42 includes belt pulley 421, belt (not shown), screw rod 422 and feed screw nut 423.In Fig. 2, the output end of motor and
One end of screw rod 422 is provided with belt pulley 421, and belt, which is tensioned to be set on two belt pulleys 421 respectively, realizes transmission, screw rod
Nut 423 is threaded through on screw rod 422, and feed screw nut 423 connect with 3 other end of pressure test unit.
In order to save installation space, while in order to protect lifting driving assembly 4, driving assembly 4 is gone up and down in the present embodiment
The lower section of workbench 51 is set, with reference to Fig. 1, goes up and down the inside that shell 53 is arranged in driving assembly 4.Since the setting of bottom plate 1 exists
The top of workbench 51, lifting driving assembly 4 will drive bottom plate 1 mobile, therefore lifting driving assembly 4 will partially pass through workbench
51。
To realize that lifting driving assembly 4 partially passes through workbench 51, as shown in Figure 2, it is also provided with through-hole 511 and connection
Portion 43.Through-hole 511 is arranged on workbench 51, the center of the optional setting workbench 51 of through-hole 511.Interconnecting piece 43 includes the
One connecting plate 431 and connecting column 433, the first connecting plate 431 and the lower surface of workbench 51 are fixedly connected by connecting column 433.
It is in rectangle that the first connecting plate 431 is whole in the present embodiment, is respectively provided with four in four edges of the first connecting plate 431
Connecting column 433, the first connecting plate 431 to be preferably fixed on to the lower section of workbench 51.It goes up and down driving source 41 and screw rod 422 connects
It connects on the first connecting plate 431, specifically, lifting driving source 41 can realize the connection with the first connecting plate 431 by link block,
Screw rod 422 can realize the connection with the first connecting plate 431 by the bearing being embedded inside the first connecting plate 431.
In order to realize that moving process is more steady, it is also provided with the second connecting plate 432 and guide post 434.As shown in Fig. 2,
The both ends of second connecting plate 432 are separately connected feed screw nut 423 and pressure test unit 3；511 rectangular in cross-section of through-hole, it is corresponding
Second connecting plate, 432 section is also in rectangle, so that the second connecting plate 432 is as between feed screw nut 423 and pressure test unit 3
Connector, preferably penetrate and be pierced by through-hole 511.
Guide post 434 includes cylinder and guide holder, and guide holder is arranged in the first connecting plate 431 in Fig. 2, and guide holder itself is in
Sleeve-like configuration, internal hole pass through the first connecting plate 431；One end of cylinder is connect with the second connecting plate 432, and the other end is worn
In guide holder.Since 432 section of the second connecting plate is also in rectangle, the four corners that can be selected in the second connecting plate 432 are arranged four
Four guide holders are arranged in cylinder, corresponding first connecting plate 431, and every cylinder correspondence is threaded through in guide holder, preferably the bottom of to
The movement of plate 1 is oriented to.
The invention also provides a kind of test equipments, using above-mentioned keyboard test machine.The test equipment is with above-mentioned key
Based on disc tester, several functions component can be additionally connected, it is corresponding so that test equipment has additional functions, but
The core of test equipment still uses above-mentioned keyboard test machine.Therefore on the basis of keyboard test machine proposed by the present invention, i.e.,
Make additional several functions component, it is same within the scope of the present invention.
For example, can connect above-mentioned control unit with Computer signal, test data is carried out into one with realizing
The storage of step ground, processing and analysis, obtain complete test report.
It is worth noting that computer is the common equipment in this field, industrial computer (Industrial PC, letter can be selected
Claim IPC), the data of control unit are obtained by the serial port (serial ports such as RS232/485) of standard, pass through the micro- of computer-internal
The calculating of processor is exported finally by display screen or by serial port；Compare control unit, and computer has can be more
Data are quickly read, store more data, and carry out more complicated operation and analysis.By connecting computer, also extend
The application field of entire test equipment, can be realized the test of a variety of projects, such as life test or accelerated life test etc.
Deng.
For example, if test requirements document is the service life progress using the service life of some key on keyboard 100 as entire keyboard 100
Test exports then computer can be analyzed by the signal read and in synchronous recording control unit effectively to strike
Hitting number is abscissa, and the actually detected numerical value out of pressure test unit 3 is the data analysis report of ordinate.It can be from report
In obtain, the maximum value of abscissa is the threshold number that the key can tap, and represents the service life of the key, presses on ordinate
The variation of force value can show the key against the continuous progress tapped, and the variation tendency of pressure value reacts the matter of the key
Amount.
For another example i.e. test requirements document is to be divided into a test period continuously if it is intended to carrying out accelerated life test
Multiple subcycles tap component 2 in the latter subcycle and are applied to the pressure on keyboard 100, than in previous subcycle
Pressure it is big, that is, the pressure value applied is gradually incremental.Control unit can be set at this time, terminate in the previous subcycle time
Afterwards, control lifting driving assembly 4 movement the position of bottom plate 1 is lifted up so that the latter subcycle internal keyboard 100 with strike
It hits the distance between component 2 to become smaller, so that the pressure being applied on keyboard 100 becomes larger.Computer can by read and it is same
Signal in step record control unit is analyzed, and is exported using effective number of taps as abscissa, the practical inspection of pressure test unit 3
The numerical value measured is the data analysis report of ordinate.It can be obtained from report, the variation of pressure value is ladder on ordinate
Shape, the maximum value of abscissa is the threshold number that the key can tap, and represents the service life of the key.
By above-mentioned example it is found that test equipment proposed by the present invention, using above-mentioned keyboard test machine, testing efficiency is high,
High degree of automation has preferably data storage, reading and analytic function, complete test report can be exported, using model
It encloses more extensively.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments here, are able to carry out various apparent variations-for a person skilled in the art again
Adjustment and substitution are without departing from protection scope of the present invention.Therefore, although by above embodiments to the present invention carried out compared with
For detailed description, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, can be with
Including more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of keyboard test machine, including bottom plate (1), keyboard (100) are placed on the bottom plate (1), which is characterized in that also wrap
It includes:
Multiple percussion components (2), in the top of the bottom plate (1), the percussion component (2) includes tapping driving source for setting
(21) and it is connected to the striking head (22) of the output end for tapping driving source (21), the percussion driving source (21) is configured as
The striking head (22) are driven to tap corresponding key on the keyboard (100)；
Pressure test unit (3), one end are connect with the bottom surface of the bottom plate (1), and the pressure test unit (3) is configured as
Incude the pressure that the bottom plate (1) is subject to；
It goes up and down driving assembly (4), is connect with pressure test unit (3) other end, the lifting driving assembly (4) is matched
It is mobile to change the distance between the keyboard (100) and the percussion component (2) to be set to the driving bottom plate (1)；
Control unit, respectively with the keyboard (100), the percussion driving source (21), the pressure test unit (3) and institute
State lifting driving assembly (4) signal connection.
2. keyboard test machine according to claim 1, which is characterized in that the lifting driving assembly (4) includes that lifting is driven
Dynamic source (41) and lifting and driving portion (42), the lifting driving source (41) and the lifting and driving portion (42) are sequentially connected, described
Lifting and driving portion (42) is connect with pressure test unit (3) other end.
3. keyboard test machine according to claim 2, which is characterized in that the lifting and driving portion (42) includes belt pulley
(421), belt, screw rod (422) and feed screw nut (423), the output end and the screw rod (422) of lifting driving source (41)
One end be provided with the belt pulley (421), the belt is tensioned respectively to be set on two belt pulleys (421), institute
It states feed screw nut (423) to be threaded through on the screw rod (422), the feed screw nut (423) and the pressure test unit (3) are another
One end connection.
4. keyboard test machine according to claim 3, which is characterized in that the keyboard test machine further includes rack (5), institute
State rack (5) include workbench (51) and setting workbench (51) above support frame (52), the percussion component (2) with it is described
Support frame (52) connection, the lifting driving assembly (4) connect with the workbench (51), and the bottom plate (1) is arranged described
Above workbench (51).
5. keyboard test machine according to claim 4, which is characterized in that the lifting driving assembly (4) and the work
The lower surface of platform (51) is fixedly connected, and is provided with through-hole (511) on the workbench (51), the feed screw nut (423) and institute
The through-hole (511) can be passed through by stating pressure test unit (3).
6. keyboard test machine according to claim 5, which is characterized in that the lifting driving assembly (4) further includes connection
Portion (43), the interconnecting piece (43) include the first connecting plate (431), the second connecting plate (432) and connecting column (433), the liter
Drop driving source (41) and the screw rod (422) be connected on first connecting plate (431), first connecting plate (431) and
The lower surface of the workbench (51) is fixedly connected by connecting column (433)；The feed screw nut (423) and the pressure test
Unit (3) is connected by second connecting plate (432) respectively, and second connecting plate (432) can pass through the through-hole
(511)。
7. keyboard test machine according to claim 4, which is characterized in that support frame as described above (52) include crossbeam (521) and
The two sides that column (522), at least two columns (522) are oppositely arranged on the bottom plate (1), crossbeam (521) setting
Between two columns (522), multiple percussion components (2) are arranged at intervals on the crossbeam (521).
8. keyboard test machine according to claim 7, which is characterized in that support frame as described above (52) further includes cross bar (523),
The cross bar (523) is connected between two ipsilateral columns (522), and the cross bar (523) and the crossbeam (521) sliding connect
It connects.
9. keyboard test machine according to claim 1, which is characterized in that the percussion component (2) further includes buffer
(23), one end of the buffer (23) with it is described tap driving source (21) output end connect, the buffer (23) it is another
One end is connect with the striking head (22).
10. a kind of test equipment, which is characterized in that use keyboard test machine described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910120523.2A CN109682590A (en) | 2019-02-18 | 2019-02-18 | A kind of keyboard test machine and test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910120523.2A CN109682590A (en) | 2019-02-18 | 2019-02-18 | A kind of keyboard test machine and test equipment |
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| CN109682590A true CN109682590A (en) | 2019-04-26 |
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ID=66195879
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910120523.2A Pending CN109682590A (en) | 2019-02-18 | 2019-02-18 | A kind of keyboard test machine and test equipment |
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| CN111929049A (en) * | 2020-08-07 | 2020-11-13 | 常州机电职业技术学院 | Keyboard stability and life test equipment of computer processing production usefulness |
| CN112084079A (en) * | 2020-08-28 | 2020-12-15 | 苏州富强科技有限公司 | Method and device for detecting keyboard reaction capability based on industrial Internet |
| CN112958470A (en) * | 2021-02-04 | 2021-06-15 | 德州学院 | Batch testing device and method for computer keyboards |
| CN114383835A (en) * | 2022-01-21 | 2022-04-22 | 歌尔科技有限公司 | Key testing method and key testing equipment |
| CN115980567A (en) * | 2023-03-20 | 2023-04-18 | 深圳市凯利非亚科技有限公司 | Keyboard key life testing device convenient to multi-wheel-base adjustment |
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| CN115980567A (en) * | 2023-03-20 | 2023-04-18 | 深圳市凯利非亚科技有限公司 | Keyboard key life testing device convenient to multi-wheel-base adjustment |
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