CN208125893U - A kind of Multi-band switch detection device - Google Patents
A kind of Multi-band switch detection device Download PDFInfo
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- CN208125893U CN208125893U CN201820658796.3U CN201820658796U CN208125893U CN 208125893 U CN208125893 U CN 208125893U CN 201820658796 U CN201820658796 U CN 201820658796U CN 208125893 U CN208125893 U CN 208125893U
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Abstract
The utility model provides a kind of Multi-band switch detection device, including equipment box, at least one set of test machine is arranged on the equipment box, the test machine includes test fixture and the power supply and signaling interface that test fixture front end is arranged in, the power supply is connect with signaling interface with current sampling circuit, the test fixture is mounted on equipment bottom plate, the equipment bottom plate front end is provided with power supply and signaling interface, its rear end is provided with vertical fixed plate, equipment cover is provided on the outside of the vertical fixed plate, detection motor is provided in vertical fixed plate inside the equipment cover, the coaxial screw rod of the positive and negative tooth of motor axis connection of the detection motor, the lower end of the coaxial screw rod of positive and negative tooth is provided with link block, measuring head is provided on the link block, the upper end of the measuring head is provided with weights.This equipment detects each section of electric current pressed down and passes through multi-segment key-press input for detecting multistage or single hop button.
Description
Technical field
The utility model relates to key switch detection technique fields, and in particular to a kind of Multi-band switch detection device.
Background technique
With the development of electronic product, computer, industrial personal computer and keyboard are required to that many keys, the longevity of key is arranged
Life, access detection are very crucial, and existing detection device is the first station inspection, and detection efficiency is low.
Therefore also occur some multistation switch testing equipment on the market, can disposably complete the switch of multiple stations
Detection, such as Patent No.：The technical literature of " CN201520874398.1 " uses two sets of tray mould groups, while carrying out 20
Efficiency is improved 3 times by the automatic test of a station, reduces harm of the noise to human body, while can be reduced operating personnel's again
Physical demands and fatigue, to improve 100% accuracy that working efficiency and product differentiate.
But only tested in same voltage range and pressure limit, it is unable to reach the requirement accurately tested.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of Multi-band switch detection device.
The technical solution adopted in the utility model is：
A kind of Multi-band switch detection device, including
Equipment box, at least one set of test machine are arranged on the equipment box,
The test machine includes test fixture and the power supply and signaling interface that test fixture front end is arranged in, the power supply
It is connect with signaling interface with current sampling circuit,
The test fixture is mounted on equipment bottom plate, which is provided with power supply and signaling interface, thereafter
End is provided with vertical fixed plate, is provided with equipment cover, the vertical fixation inside the equipment cover on the outside of the vertical fixed plate
Detection motor is provided on plate, the coaxial screw rod of the positive and negative tooth of motor axis connection of the detection motor, the positive and negative coaxial screw rod of tooth
Lower end is provided with link block, and measuring head is provided on the link block, and the upper end of the measuring head is provided with weights.
The coaxial screw rod of positive and negative tooth includes the spill spin block for connecting motor shaft, is provided with connecting plate on the spill spin block, the company
Fishplate bar lower end is provided with movable block, which is provided with screw rod, limited block is provided on the screw rod, and vertical
Limiter is further fixed in fixed plate, the limiter is connect with industrial personal computer.
The equipment box upper end is provided with test platform, and at least one set of equipment bottom plate is provided on the test platform.
Equipment cover is provided on the equipment box, the front end of the equipment cover is provided with door-plate, is arranged on the door-plate
There are multi-segment key and display screen, alarm is additionally provided on the equipment cover, the alarm is connect with industrial personal computer,
The display screen is connect with industrial personal computer.
Observation window is provided on the side of the equipment cover.
The beneficial effects of the utility model：This equipment is high to the detection accuracy of key product, and detection speed is fast.It can be convenient
Pressing dynamics are adjusted, distance is pressed, are suitable for more specification key switch products.Using the coaxial screw rod design of positive and negative tooth, make fixture side
Just the quick clamping of key product, equipment only need key product two power supply lines of extraction to be put into test clip, key can be completed
Product testing, it is easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial structure diagram of Fig. 1 in the utility model；
Fig. 3 is the structural schematic diagram of test machine in the utility model；
Fig. 4 is the partial structure diagram of test machine in the utility model；
Fig. 5 is test machine key circuit major loop in the utility model；
Fig. 6 is that test machine motor connects major loop in the utility model；
Fig. 7 is key-press matrix circuit figure in the utility model；
Fig. 8 is current sampling detection circuit figure in the utility model.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing and specific embodiment, in the signal of this utility model
Property embodiment and explanation be used to explain the utility model, but be not intended to limit the scope of the present invention.
Referring to figs. 1 to Fig. 8, the utility model specifically discloses a kind of Multi-band switch detection devices, including
Equipment box 1, at least one set of test machine 3 are arranged on the equipment box 1,
And the control system including controlling test machine 3,
The test machine 3 includes test fixture 302 and power supply and signaling interface that 302 front end of test fixture is arranged in
301, the power supply is connect with signaling interface 301 with current sampling circuit,
The control system includes multi-segment key 7, switchs gear parameter, driving by 7 input test of multi-segment key
Key-press matrix circuit will switch gear parameter and be input to detection motor 310, and detection motor 310 drives measuring head 303 in counterweight weight
Test product is pushed under the action of code 304, test product is pushed each time and product lead is closed with power supply and signaling interface 301
Splice grafting touching, the current value contacted every time is obtained according to current sampling circuit, judges the service life of switch.
The detection motor 301 connects DC motor power management module, according to switch gear parameter configuration to direct current
Electromechanical source management module is to be converted into motor rotations control signal, and detection motor 310 is according to motor rotations control signal driving
Detecting motor 310 drives measuring head 303 to push test product according to test frequency.
The current sampling circuit is connect with industrial personal computer, and the current signal that current sampling circuit will acquire is transferred to industry control
Machine, the current signal that industrial personal computer will acquire is converted into analog signal through digital analog converter, and the analog signal is transferred to processing
The input curve figure of analog signal is scanned by device, processor, obtains averaging analog numerical value, then will put down by analog-to-digital conversion device
Equal simulation value is converted into digital signal, saves to memory module and is sent to display screen and is shown, sets in the processor
It is equipped with sliding detection module, which is used to scan the curve graph of input analog signal, and it is first equal to obtain curve width
Even point.
The current sampling circuit includes the 15V adjustable constant-current source of front end input, and electromechanical including 24V direct current
Source, 15V adjustable constant-current source accesses to product to be detected, and is connected to conversion connector module by adjustable voltage module,
And 24V DC motor power connects conversion connector module, the voltage signal of conversion connector module identification input, according to electricity
Pressure signal judge output action, both when 15V adjustable constant-current source through adjustable voltage module 0~15V adjust input when, convert
Connector modules identify above-mentioned voltage change signal and are transferred to industrial personal computer, and industrial personal computer adjusts 24V direct current according to voltage change
Motor power achievees the purpose that adjusting detection motor rotations is adjusted, and is adjusted according to motor rotations and is reached the adjusting for pushing frequency, together
When, by different weights 304, reaches different test pressure adjustment, reach the test that cannot be tested under pressure.
Service life and Function detection of this equipment for multistage electronic switch or switching circuit.Equipment has two adjustable perseverances
Stream source, multiple groups mechanical compression detection device, equipment can detect simultaneously a plurality of different products with multiple channels.In detection process
In, it can recorde the various electrical characteristic parameters of switching circuit, including switching the current characteristics in different stalls, switch uses the longevity
Life, recording exceptional signal, and be stored in industrial personal computer, facilitate export, properties of product are analyzed convenient for research staff, design is produced
Product optimize.
The test fixture 301 is mounted on equipment bottom plate 305, which is provided with power supply and signal
Interface 301, its rear end are provided with vertical fixed plate 307, are provided with equipment cover 300, the machine on the outside of the vertical fixed plate 307
Detection motor 310 is provided in vertical fixed plate 307 inside tool cover 300, the motor axis connection of the detection motor 310 is positive and negative
The lower end of the coaxial screw rod of tooth, the positive and negative coaxial screw rod of tooth is provided with link block 306, is provided with test on the link block 306
First 303, the upper end of the measuring head 303 is provided with weights 304.
This equipment is high to the detection accuracy of key product, and detection speed is fast.Can conveniently adjust pressing dynamics, pressing away from
From suitable for more specification key switch products.Using the coaxial screw rod design of positive and negative tooth, fixture is made to facilitate the quick folder of key product
It takes, equipment only needs key product two power supply lines of extraction to be put into test clip, and key product testing can be completed, easy to operate.
The coaxial screw rod of positive and negative tooth includes the spill spin block 311 for connecting motor shaft, is provided with connecting plate on the spill spin block 311
312, which is provided with movable block 313, which is provided with screw rod 309, on the screw rod 309
It is provided with limited block 308, and is further fixed on limiter 314 in vertical fixed plate 307, the limiter 314 and industrial personal computer
Connection.
1 upper end of equipment box is provided with test platform 2, and at least one set of equipment bottom plate 3 is provided on the test platform 2.
It is provided with equipment cover 4 on the equipment box 1, the front end of the equipment cover 4 is provided with door-plate 8, on the door-plate 8
It is provided with multi-segment key 7 and display screen 6, alarm 9, the alarm 9 and work are additionally provided on the equipment cover 4
The connection of control machine, the display screen 6 are connect with industrial personal computer.
Observation window 5 is provided on the side of the equipment cover 4.
It is provided with general-purpose interface on the industrial personal computer, which is used for the export of memory module storing data.
It is defeated by multi-segment key 7 to detect each section of electric current pressed down for detecting multistage or single hop button for this equipment
Enter.Its function includes:Current data abnormal alarm, current data export xls table, and one key of key configurations saves load.
Technical solution disclosed in the utility model embodiment is described in detail above, it is used herein specifically
Embodiment is expounded the principle and embodiment of the utility model embodiment, and the explanation of above embodiments is only applicable to
Help understands the principle of the utility model embodiment；At the same time, for those skilled in the art, it is real according to the utility model
Example is applied, there will be changes in terms of specific embodiments and scope of application, in conclusion the content of the present specification should not be understood
For limitations of the present invention.
Claims (5)
1. a kind of Multi-band switch detection device, which is characterized in that including
Equipment box, at least one set of test machine are arranged on the equipment box,
The test machine includes test fixture and the power supply and signaling interface that test fixture front end is arranged in, the power supply and letter
Number interface is connect with current sampling circuit,
The test fixture is mounted on equipment bottom plate, which is provided with power supply and signaling interface, and its rear end is set
It is equipped with vertical fixed plate, is provided with equipment cover on the outside of the vertical fixed plate, in the vertical fixed plate inside the equipment cover
It is provided with detection motor, the coaxial screw rod of the positive and negative tooth of motor axis connection of the detection motor, the lower end of the positive and negative coaxial screw rod of tooth
It is provided with link block, measuring head is provided on the link block, the upper end of the measuring head is provided with weights.
2. Multi-band switch detection device according to claim 1, which is characterized in that the positive and negative coaxial screw rod of tooth includes connecting
The spill spin block of motor shaft is connect, is provided with connecting plate on the spill spin block, which is provided with movable block, the movable block bottom
It is provided with screw rod, limited block is provided on the screw rod, and be further fixed on limiter in vertical fixed plate, the limiter
It is connect with industrial personal computer.
3. Multi-band switch detection device according to claim 1, which is characterized in that the equipment box upper end is provided with test
Platform is provided at least one set of equipment bottom plate on the test platform.
4. Multi-band switch detection device according to claim 1, which is characterized in that be provided with equipment cover on the equipment box
Body, the front end of the equipment cover is provided with door-plate, multi-segment key and display screen is provided on the door-plate, in the equipment
Alarm is additionally provided on cover, the alarm is connect with industrial personal computer, and the display screen is connect with industrial personal computer.
5. Multi-band switch detection device according to claim 1, which is characterized in that be arranged on the side of the equipment cover
There is observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658796.3U CN208125893U (en) | 2018-05-04 | 2018-05-04 | A kind of Multi-band switch detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820658796.3U CN208125893U (en) | 2018-05-04 | 2018-05-04 | A kind of Multi-band switch detection device |
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| Publication Number | Publication Date |
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| CN208125893U true CN208125893U (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820658796.3U Active CN208125893U (en) | 2018-05-04 | 2018-05-04 | A kind of Multi-band switch detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116221A (en) * | 2018-05-04 | 2019-01-01 | 东莞市统益塑料机械制造有限公司 | A kind of Multi-band switch detection device |
-
2018
- 2018-05-04 CN CN201820658796.3U patent/CN208125893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116221A (en) * | 2018-05-04 | 2019-01-01 | 东莞市统益塑料机械制造有限公司 | A kind of Multi-band switch detection device |
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