CN105929327B - key stroke test device and method - Google Patents
key stroke test device and method Download PDFInfo
- Publication number
- CN105929327B CN105929327B CN201610437329.3A CN201610437329A CN105929327B CN 105929327 B CN105929327 B CN 105929327B CN 201610437329 A CN201610437329 A CN 201610437329A CN 105929327 B CN105929327 B CN 105929327B
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- CN
- China
- Prior art keywords
- push rod
- slide bar
- test
- key stroke
- indicating piece
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Classifications
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- 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
-
- 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
Abstract
Present invention is disclosed a kind of key stroke test devices, device is equipped with pedestal, stent is fixed on the pedestal, the stent includes two parallel fixed slide bars, push rod is equipped between the slide bar, the push rod is equipped with for conductive indicating piece, and indicating piece sets and is in close contact respectively with two slide bars there are two extension, slide bar symmetric position described in two is equipped with test zone, wherein a slide bar is insulating bar and test zone is current-carrying part, another slide bar is conducting rod and test zone is insulated part, slide bar of the two poles by indicating piece or with conduction, or connect and compose two-way test circuit with conductive test zone, indicator light is in series in the two-way test circuit.Key stroke test device of the present invention is simple in structure, easy to make, at low cost, easy to carry, can quickly carry out key stroke test, greatly improve working efficiency.
Description
Technical field
The present invention relates to electrical equipment detection fields, more particularly, to test the device of electrical equipment key stroke.
Background technology
The stroke of button refer to it is a kind of press down loose one's grip after the button that can bounce automatically, be pressed when thoroughly being pressed down
Distance.For a collection of button, the stroke generally requirement of button conforms in the range of (X1~X2) that is, in the range of this
It asks, it is undesirable not in the range of this.Detection mostly uses vernier caliper measurement at present, but this method efficiency is low, behaviour
Make cumbersome.
Invention content
The technical problems to be solved by the invention, which are that realization is a kind of, convenient, fast and accurate to measure key stroke
Device.
To achieve these goals, the technical solution adopted by the present invention is：Key stroke test device, device are equipped with bottom
, stent is fixed on the pedestal, the stent includes two parallel fixed slide bars, push rod is equipped between the slide bar,
The push rod is equipped with for conductive indicating piece, and indicating piece sets and closely connect with two slide bars respectively there are two extension
Touch, slide bar symmetric position described in two is equipped with test zone, wherein a slide bar is insulating bar and test zone is conductive part
Point, another slide bar is conducting rod and test zone is insulated part, two poles by indicating piece or with conductive slide bar or
Two-way test circuit is connected and composed with conductive test zone, indicator light is in series in the two-way test circuit.
Switch is equipped between the power supply and indicating piece, two indicator light colors are different, and described push rod one end is equipped with
Push handle.
The slide bar and push rod are horizontally disposed with, and at least two slip rings are fixed with by connector between two slide bars,
The push rod is placed in slip ring, and the push rod is equipped with the press head for pressing keys.
The push rod is equipped with the positioning tooth of protrusion.
The indicating piece is insulation shrapnel that is flat and being pressed on slide bar, and the insulation shrapnel is equipped with towards slide bar side
The conductive metal wire of protrusion.
The stent includes the telescopic rod of fixed slip bar, and the telescopic rod is equipped with thread segment and equipped with its up and down motion of driving
The first feed screw nut, first feed screw nut by the first stepper motor drive rotate；The push rod is equipped with thread segment simultaneously
Equipped with the second feed screw nut for driving its side-to-side movement, second feed screw nut is driven by the second stepper motor to rotate；It is described
Press head is equipped with pressure sensor, and the key stroke test device is equipped with controller, the pressure sensor output pressure
Signal to controller, the controller drives the first stepper motor and the second stepper motor to work through driving circuit.
The press head is fixed on by stroke amplifying mechanism on push rod, and the stroke amplifying mechanism includes being hinged wherein
Fixation connecting rod on one slide bar and the slide link being hinged on push rod, the fixed connecting rod and slide link outer end hinge
It connects, the press head is located at the hinge point of fixed connecting rod and slide link, the fixed connecting rod and slide link to pedestal side
To extension.
Fixed on the stent there are two laser transmitters, and laser beam is located at press head two when the laser transmitter is lighted
Side is simultaneously irradiated to pedestal.
The test method of device is surveyed based on the key stroke：
Step 1, system are opened；
Step 2, the first stepper motor of startup decline telescopic rod, when press head pressure is more than threshold value A, the first stepping of closing
Motor；
Step 3, startup second component motor slide push rod and press head are driven to be pressed down against, when press head pressure is more than
Threshold value B closes the second stepper motor.
Step 3 terminates.
Key stroke test device of the present invention is simple in structure, easy to make, at low cost, easy to carry, can quickly carry out
Key stroke is tested, and greatly improves working efficiency.
Description of the drawings
The content of every width attached drawing expression in description of the invention and the label in figure are briefly described below：
Fig. 1 is key stroke test device structure diagram；
Fig. 2 is the test circuit figure of key stroke test device；
Label in above-mentioned figure is：1st, pedestal；2nd, stent；3rd, the first indicator light；4th, the second indicator light；5th, push handle；6、
Switch；7th, indicating piece；8th, push rod；9th, positioning tooth；10th, press head.
Specific embodiment
Key stroke test device include pedestal 1, stent 2, the first indicator light 3, the second indicator light 4, push handle 5, switch 6,
Indicating piece 7, push rod 8, positioning tooth 9 and press head 10, as shown in Figure 1, stent 2 is fixed on pedestal 1, stent 2, which includes two, puts down
The fixed slide bar of row, slide bar is arranged in parallel, and push rod 8 is equipped between slide bar, and push rod 8 is also horizontally disposed with and is put down with slide bar
Row, the fixed form of push rod 8 is to be fixed at least two slip rings by connector between slide bar, and push rod 8 is placed in slip ring, then
Push rod 8 can slide between slide bar, and 8 one end of push rod is equipped with push handle 5, and push rod 8 is equipped with the press head 10 for pressing keys,
Press head 10 is duroplasts material.
Push rod 8 is equipped with for conductive indicating piece 7, and indicating piece 7 is set there are two extension, and respectively with two cunnings
Bar is in close contact, and two slide bar symmetric positions are equipped with test zone, wherein a slide bar is insulating bar and test zone is conductive
Part, another slide bar is conducting rod and test zone is insulated part, that is, is supported on two cylindrical stents 2 in left and right,
It is contacted closely with two cylindrical stents 2, it is conductor (with limit to have indicated at the cylindrical stent 2 of B black region (metal material)
Leakage resistance R2 is connected), rest part (plastic material) is insulator；Black region (plastics have been indicated at the cylindrical stent 2 of A
Material) be insulator, rest part (metal material) be conductor (being connected with current-limiting resistance R1) outside；Indicating piece 7 is metal material,
It is conductor；Two poles as shown in Figure 2 are connected and composed by indicating piece 7 or with conductive slide bar or with conductive test zone
Two-way test circuit is in series with indicator light in two-way test circuit, switch 6 is equipped between power supply and indicating piece 7, with indicating piece 7
The internal battery equipped with 3 section DC1.5V in connected place, as closure switch 6 (SW1), DC4.5V and indicating piece that battery provides
7 conductings, two indicator light colors differences.
Since indicating piece 7 needs to be displaced sideways, in order to avoid leading to measure inaccurate, indicating piece 7 due to indicating piece 7 deforms
Flat structure is made, and the insulation shrapnel being pressed on slide bar, insulation shrapnel is equipped with the conductive metal of protrusion towards slide bar side
Line, for turning circuit.
In order to ensure 8 initial position of push rod is unified, push rod 8 is equipped with the positioning tooth 9 of protrusion, and positioning tooth 9 can be with slip ring
Cooperation, limitation push rod 8 position, when push rod 8 being pulled to make the positioning tooth 9 be in position as shown in Figure 1, it can be ensured that indicating piece 7 arrives A, B
The horizontal left margin distance of black region is that (X is the minimum stroke of button to X, and the range of button is：X+A B black regions
Length)
This reality invention realization principle：When pulling push rod 8 makes the positioning tooth 9 be in position as shown in Figure 1, button to be measured is passed through
Its corresponding fixing tool is fixed at button pressure head, and closure switch 6, i.e. SW1 are closed, the 3 section DC1.5V mounted in 8 the inside of push rod
Battery be connected with indicating piece 7, outward export DC4.5V voltage, push push rod 8, squeeze button, be fully pressed button
It goes, at this point, if it is indicated that when piece 7 is not in contact with A, B black region, SW2 and R1 is connected, and red light emitting diodes are bright, green emitting
Diode does not work, then illustrates the stroke of this button not in the range of (X~x+A or B black regions length)；If it is indicated that piece 7
In A, B black region, SW2 and R2 is connected, and red light emitting diodes are bright, and green LED does not work, then illustrate this button
Stroke in the range of (X~x+A or B black regions length).
Use step：
Pull push rod 8 that positioning tooth 9 is made to be in position as shown in Figure 1；
Button to be measured is fixed on by its corresponding fixing tool at button pressure head, closure switch 6；
Push rod 8 is pushed, button is squeezed, is fully pressed button；
At this point, if it is indicated that when piece 7 is not in contact with A, B black region, SW2 and R1 is connected, and red light emitting diodes are bright, green
Light emitting diode does not work, then illustrates the stroke of this button not in the range of (X~x+A or B black regions length)；If it is indicated that
Piece 7 is in A, B black region, and SW2 and R2 are connected, and red light emitting diodes are bright, and green LED does not work, then illustrate this by
The stroke of key is in the range of (X~x+A or B black regions length).
In order to improve the automation performance of device, stent 2 includes the telescopic rod of fixed slip bar, and telescopic rod is equipped with thread segment simultaneously
Equipped with the first feed screw nut that it is driven to move up and down, the first feed screw nut is driven by the first stepper motor to rotate；It is set on push rod 8
There is thread segment and equipped with the second feed screw nut for driving its side-to-side movement, the second feed screw nut is driven by the second stepper motor revolves
Turn；Press head 10 is equipped with pressure sensor, and for measuring the pressure of 10 pressing keys of press head, key stroke test device is set
There is a controller, pressure sensor output pressure signal to controller, controller drives the first stepper motor and the through driving circuit
Two stepping motor works, and automatically working is realized by controller.
In order to improve measuring accuracy, press head 10 is fixed on by stroke amplifying mechanism on push rod 8, stroke amplifying mechanism
Including the fixation connecting rod being hinged on one of slide bar and the slide link being hinged on push rod 8, fixed connecting rod and slip
Connecting rod outer end is hinged, and press head 10 is located at the hinge point of fixed connecting rod and slide link, fixed connecting rod and slide link the bottom of to
The extension of 1 direction of seat, the shift motion of such slide bar is greater than the shift motion of press head 10, has enlarging course effect, can be with
Improve the precision measured.
It is fixed there are two laser transmitter on stent 2 in order to facilitate positioning key position, laser when laser transmitter is lighted
Beam is located at 10 both sides of press head and irradiates to pedestal 1, the equipment for needing to detect is placed on pedestal 1 in this way, it would be desirable to measure
Button be placed between laser beam, then press head 10 can accurately be pressed into button.
The test method of device is surveyed based on above-mentioned key stroke：
Step 1, system are opened；
Step 2, the first stepper motor of startup decline telescopic rod, when 10 pressure of press head is more than threshold value A, the closing first step
Stepper motor, threshold value A is smaller, i.e. press head 10 touches button and then stops stepper motor at once；
Step 3, startup second component motor slide push rod 8 and press head 10 are driven to be pressed down against, when press head 10 is pressed
Power is more than threshold value B, closes the second stepper motor, and threshold value B is larger, and dynamics is the limit of elastic force suffered by pressing keys, can be avoided
Excessive damage button is pressed, is also avoided that pressing is insufficient, measurement portion is accurate.
Step 3, indicator light are lighted to give and be prompted, primary to check that work terminates.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that present invention specific implementation is not by aforesaid way
Limitation, as long as employ the inventive concept and technical scheme of the present invention progress various unsubstantialities improvement or without changing
Other occasions are directly applied to by the design of the present invention and technical solution, within protection scope of the present invention.
Claims (6)
1. key stroke test device, it is characterised in that：Device is equipped with pedestal, and stent, the stent are fixed on the pedestal
Including two parallel fixed slide bars, push rod is equipped between the slide bar, the push rod is equipped with for conductive indicating piece, and
Indicating piece is set to be in close contact there are two extension with two slide bars respectively, and the slide bar symmetric position described in two is equipped with test section
Domain, wherein a slide bar is insulating bar and test zone is current-carrying part, and another slide bar is conducting rod and test zone is exhausted
Edge point, two poles connect and compose two-way test electricity by indicating piece or with conductive slide bar or with conductive test zone
Road is in series with indicator light in the two-way test circuit;
The slide bar and push rod are horizontally disposed with, and at least two slip rings are fixed with by connector between two slide bars, described
Push rod is placed in slip ring, and the push rod is equipped with the press head for pressing keys.
2. key stroke test device according to claim 1, it is characterised in that：It is equipped between the power supply and indicating piece
Switch, two indicator light colors are different, and described push rod one end is equipped with push handle.
3. key stroke test device according to claim 1 or 2, it is characterised in that：The push rod is equipped with protrusion
Positioning tooth.
4. key stroke test device according to claim 3, it is characterised in that：The indicating piece is flat and is pressed on
Insulation shrapnel on slide bar, the insulation shrapnel are equipped with the conductive metal wire of protrusion towards slide bar side.
5. key stroke test device according to claim 4, it is characterised in that：The stent includes stretching for fixed slip bar
Contracting bar, the telescopic rod are equipped with thread segment and equipped with the first feed screw nut that it is driven to move up and down, first feed screw nuts
It is driven and rotated by the first stepper motor；The push rod is equipped with thread segment and equipped with the second screw spiral shell for driving its side-to-side movement
Mother, second feed screw nut is driven by the second stepper motor to rotate；The press head is equipped with pressure sensor, the button
Stroke test device is equipped with controller, and the pressure sensor output pressure signal to controller, the controller is through driving electricity
Road drives the first stepper motor and the work of the second stepper motor.
6. the test method of device is surveyed based on key stroke described in claim 5, it is characterised in that：
Step 1, system are opened；
Step 2, the first stepper motor of startup decline telescopic rod, when press head pressure is more than threshold value A, closing the first stepping electricity
Machine；
Step 3, startup second component motor slide push rod and press head are driven to be pressed down against, when press head pressure is more than threshold value
B closes the second stepper motor；
Step 3 terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610437329.3A CN105929327B (en) | 2016-06-18 | 2016-06-18 | key stroke test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610437329.3A CN105929327B (en) | 2016-06-18 | 2016-06-18 | key stroke test device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105929327A CN105929327A (en) | 2016-09-07 |
| CN105929327B true CN105929327B (en) | 2018-07-03 |
Family
ID=56831641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610437329.3A Active CN105929327B (en) | 2016-06-18 | 2016-06-18 | key stroke test device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105929327B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110152B (en) * | 2017-06-22 | 2023-08-04 | 中航贵州飞机有限责任公司 | Lock adjusting mechanism |
| CN110095714B (en) * | 2019-04-04 | 2021-06-01 | Oppo（重庆）智能科技有限公司 | Test equipment |
| CN111327745B (en) * | 2020-01-21 | 2021-08-10 | 上海万物新生环保科技集团有限公司 | Method and equipment for testing silencing key of mobile terminal |
| CN115752561B (en) * | 2022-10-17 | 2024-01-30 | 国网北京市电力公司 | Detection device of electric power distribution cabinet |
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| JPH01185714A (en) * | 1988-01-20 | 1989-07-25 | Nec Corp | Keyboard input device |
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|---|---|---|---|---|
| JP3803865B2 (en) * | 2002-01-31 | 2006-08-02 | 日本電気株式会社 | Input device and portable information terminal using the same |
| CN1828262A (en) * | 2005-03-06 | 2006-09-06 | 余文雄 | Key-press test method |
| CN2890922Y (en) * | 2006-04-14 | 2007-04-18 | 天津光电新亚电子通信技术有限公司 | Automobile speed regulating keyboard plate detector |
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| CN201788130U (en) * | 2010-09-06 | 2011-04-06 | 广东长虹数码科技有限公司 | Device for detecting service life of cell phone keys |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105929327A (en) | 2016-09-07 |
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