CN108931671A - Finished product testing device for electronic product production and testing method thereof - Google Patents
Finished product testing device for electronic product production and testing method thereof Download PDFInfo
- Publication number
- CN108931671A CN108931671A CN201811031582.4A CN201811031582A CN108931671A CN 108931671 A CN108931671 A CN 108931671A CN 201811031582 A CN201811031582 A CN 201811031582A CN 108931671 A CN108931671 A CN 108931671A
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- 238000012360 testing method Methods 0.000 title claims abstract description 144
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 50
- 229920001971 elastomer Polymers 0.000 claims abstract description 35
- 230000032683 aging Effects 0.000 claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 238000011990 functional testing Methods 0.000 claims description 18
- 238000012800 visualization Methods 0.000 claims description 14
- 230000001012 protector Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 238000010998 test method Methods 0.000 claims description 5
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a finished product testing device and a testing method for electronic product production. A display panel is arranged on a shell of the rubber protective shell, and an insulation test joint, a voltage withstanding test joint, a voltage test joint, an aging test joint and a function test joint are arranged below the display panel. The electronic product to be detected is connected with the device through the insulation test connector, the voltage-withstanding test connector, the voltage test connector, the aging test connector and the function test connector, and the insulation performance, the voltage-withstanding performance, the voltage value, the aging performance and the functionality of the electronic product are tested in the device and displayed in the display panel. The testing device integrates insulation testing, voltage withstanding testing, aging testing, function testing and voltage testing, has diversified functions, can detect electronic products in various ways at one time, and is high in detection efficiency.
Description
Technical field
The present invention relates to electronic product testing equipment fields, and in particular to a kind of electronic product production finished product test device
And test method.
Background technique
Electronic product is the Related product using electric energy as working foundation, specifically includes that wrist-watch, smart phone, phone, TV
Machine, video disc player, video recorder, video camera, radio, radio cassette player, combination sound box, compact disc player, computer, mobile communication product etc..
Because early production is mainly the therefore named electronic product of basic original part with electron tube.Electronics industry will become mobile phone, dairy products, auto lubrication
After oil, Chinese another, which is borrowed to propagate, makes rapidly national brand, the rapid growth industry for the capacity that opens up a market.This industry
Rapidly growing and development, has attracted the concern of various circles of society.Electronic product could go out after needing to carry out test passes before factory
Factory.
Existing electronic product production is mostly single test device with finished product test device, functional not strong, to electronics
Class product carries out needing more machines to work at the same time when different tests, and working efficiency is lower.
Summary of the invention
The present invention provides a kind of electronic product production finished product test device and test method, can be disposably to electronics
Product carries out a variety of detections, and work efficiency is high.
For this purpose, the technical solution adopted by the present invention is that:
A kind of electronic product production finished product test device, including rubber protective shell, interior be equipped with of the rubber protective shell show
As module, microcontroller, information memory card, insulation tester, pressure tester, aging tester, voltage tester and function
It can tester；The visualization module, information memory card, insulation tester, pressure tester, aging tester, voltage tester
And functional tester is electrically connected with microcontroller respectively；The front side shell of the rubber protective shell is equipped with display panel, shows
Show that the lower section of panel is equipped with Insulation test connector, voltage-withstand test connector, voltage tester connector, burn-in test connector, function side by side
The top of test splice and resistance test connector, resistance test connector is equipped with ohmmeter；The display panel and visualization module electricity
Connection, the Insulation test connector, voltage-withstand test connector, voltage tester connector, burn-in test connector, functional test connector difference
It is electrically connected with insulation tester, pressure tester, voltage tester, aging tester, functional tester one-to-one correspondence；Resistance is surveyed
Head of trying is electrically connected with ohmmeter, and the rear side shell of the rubber protective shell is equipped with supply hub, and supply hub is for connecting
External power supply provides electric power for the finished product test device.
Further, voltage-limiting protector and buzzer alarm, the side of display panel are additionally provided in the rubber protective shell
Equipped with warning indicator light, the voltage-limiting protector, buzzer alarm and warning indicator light are electrically connected with microcontroller respectively.
Voltage-limiting protector is used to protect the safe operation of the finished product test device of the application, when test voltage is more than setting
When threshold value, voltage-limiting protector work.Buzzer alarm be used for the insulation degree when detection, pressure-resistant effect, degree of aging, function and
Voltage has one to issue alarm not in the normal value being previously set, while warning indicator light is glittering.
Further, the side of the display panel be additionally provided with insulation, pressure resistance, voltage, aging, functional test control by
Button, the control button respectively with insulation tester, pressure tester, aging tester, voltage tester and functional tester
Correspond electrical connection；The Insulation test connector, voltage-withstand test connector, voltage tester connector, burn-in test connector and function
The lower section of test splice, which corresponds, is equipped with work light, and the work light is electrically connected with microcontroller respectively.
Control button is a kind of switch of function starting, presses and just starts this test function, is not that each electronics produces
Product require to test same function, press as needed.Insulation tester, pressure tester, aging tester, voltage tester
And after functional tester sends the information of test to microcontroller, microcontroller is according to insulation degree, pressure-resistant effect, old
These parameters are divided into different grades by change degree, function and voltage, and different grades is by different colors in corresponding work
Make to show on indicator light.
Further, camera is installed, the camera is electrically connected with microcontroller above the display panel.
Camera sends microcontroller, microcontroller to for shooting to the appearance of electronic product, and by shooting picture
Information is stored into information memory card after handling signal, and is shown in display panel after handling by visualization module
On, it is referred to for testing staff.
Further, the Insulation test connector, voltage-withstand test connector, burn-in test connector, functional test connector and electricity
Pressing test splice is two-wire connector, and center line is in same level.It is to propose the present apparatus using two-wire connector
Security of test, reliability.In order to easy to operate, device is designed beautifully for same level setting.
Further, hand-strap is installed at the top of the rubber protective shell, the hand-strap is made of non-woven fabrics, whole
In band-like, it is bolted at the top of the rubber protective shell.Hand-strap is designed in order to facilitate the carrying of device.
Further, the display panel is touch LCD screen, is nested in the outer surface of the rubber protective shell.
All feature operations, parameter setting, mode setting etc. can carry out operation setting by touch LCD screen.Rubber every
Exhausted property is good, reduces the influence of outer bound pair test result, guarantees the sensitivity of present apparatus test.
Further, natural rubber of the rubber protective shell using thickness not less than 3 millimeters is made.Natural rubber has
The features such as high resiliency, high drawing, cold resistance, high intensity, is used for case material long service life.
Further, the one side of the rubber protective shell is equipped with heat sink, offers heat release hole, heat release hole on heat sink
Inside be equipped with Air Filter.The design of heat sink is to guarantee the peace of device to come out the heat Quick diffusing in the present apparatus
Row for the national games.Heat sink is made of the excellent material of conductibility, such as aluminium oxide ceramics.Heat release hole is prevented to improve radiating efficiency
Dust hood is used to prevent dust etc. from entering inside device the measuring accuracy for reducing tester.
A kind of electronic product production finished product test method, is applied to as described in above-mentioned any one in test device,
Be characterized in that: electronic product be placed on front side of the rubber protective shell, respectively by electronic product and the Insulation test connector,
The voltage-withstand test connector, the burn-in test connector, the functional test connector, the voltage tester connector and resistance test
Connector is attached, the insulation tester, the pressure tester, the aging tester, the functional tester, described
Voltage tester respectively tests the insulation degree of electronic product, pressure-resistant effect, degree of aging, function and voltage, and will
Test signal is transmitted to the microcontroller, and the microcontroller stores information to the letter after handling signal
It ceases in memory card, and is shown in above the display panel after being handled by the visualization module.The resistance value of electronic product is logical
Ohmmeter is crossed to test and show.
Beneficial effects of the present invention: compared with prior art, the present apparatus have it is following the utility model has the advantages that
1, integrate Insulation test, voltage-withstand test, burn-in test, functional test and voltage tester, functional diversities, energy
Enough disposably to carry out various detection to electronic product, detection efficiency is high；
2, the equipment volume of the present apparatus is small, easy to carry；
3, the present apparatus can directly will test result and be shown, easy to use.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the finished product test device of embodiment 1.
Fig. 2 is the schematic diagram of internal structure of the finished product test device of embodiment 1.
Fig. 3 is the rearview of Fig. 1, shows the structure of the rear side shell of the present apparatus.
Fig. 4 is the system block diagram of the finished product test device of embodiment 1.
The reference numerals are as follows:
1, rubber protective shell；201~205, work light；3, Insulation test connector；4, voltage-withstand test connector；5, aging
Test splice；6, functional test connector；7, voltage tester connector；8, resistance test connector；9, ohmmeter；10, display panel；
11, heat sink；12, camera；13, hand-strap；14, control button；15, warning indicator light；16, voltage-limiting protector；17, it images
Module；18, microcontroller；19, information memory card；20, buzzer alarm；21, insulation tester；22, pressure tester；
23, aging tester；24, functional tester；25, voltage tester；26, external power supply jack.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing and a kind of preferred reality
Mode is applied technical solution of the present invention is clearly and completely described.
In the following description, on the basis of the orientation of finished product test device shown in Fig. 1, the top of device as shown in the figure is
For "upper", on the contrary is "lower"；The front side of shown device is " preceding ", otherwise is " rear ".
Embodiment 1
Below by taking one kind is for network electronic production finished product test device as an example, the skill of the application is further illustrated
Art scheme.
Refering to fig. 1, a kind of electronic product production finished product test device, including rubber protective shell 1, rubber protective shell 1
It is made of the natural rubber with a thickness of 5 millimeters.The side of rubber protective shell 1 is equipped with aluminium oxide ceramics heat sink 11, along heat dissipation
Plate length direction offers strip louvre 111 side by side, and Air Filter is installed in the inside of heat release hole.Pacify at the top of rubber protective shell 1
Equipped with hand-strap 13, hand-strap 13 is made of non-woven fabrics, whole in band-like, is bolted on the top of rubber protective shell 1.
Refering to Fig. 2 and Fig. 4, voltage-limiting protector 16, visualization module 17, microcontroller 18, letter are equipped in rubber protective shell 1
Cease memory card 19, buzzer alarm 20, insulation tester 21, pressure tester 22, aging tester 23, network function tester
24 and voltage tester 25.The middle part of rubber protective shell 1 is arranged in microcontroller 18.The side of the top of microcontroller 18
Visualization module 17 is installed, the other side is equipped with voltage-limiting protector 16.The lower section of visualization module 17 is equipped with information memory card 19, letter
The lower section of breath memory card 19 is equipped with buzzer alarm 20.The lower section of microcontroller 18 is successively arranged insulation tester 21, resistance to
Pressure tester 22, aging tester 23, functional tester 24 and voltage tester 25.Voltage-limiting protector 16, visualization module 17, letter
Cease memory card 19, buzzer alarm 20, insulation tester 21, pressure tester 22, aging tester 23, network function test
Instrument 24 and voltage tester 25 are electrically connected with microcontroller 18 respectively.
Visualization module, microcontroller, information memory card, insulation tester, pressure tester, aging tester, voltage
Tester and functional tester are the prior art, in the present embodiment, select the model of microcontroller 18
73S1209F-44IMR/F, the model ZX9501/ZX9502 of insulation tester 21, the model of pressure tester 22
For TH5101-B, the model HC-642 of aging tester 23, the model JR03-NT905 of network function tester 24, electricity
The model testo755-1 of pressure tester 25.
Refering to fig. 1 and Fig. 4, the front side shell of rubber protective shell 1 are equipped with display panel 10, and the lower section of display panel is successively
It is equipped with Insulation test connector 3, voltage-withstand test connector 4, burn-in test connector 5, functional test connector 6, voltage tester connector side by side
7 and resistance test connector 8.Insulation test connector 3, voltage-withstand test connector 4, burn-in test connector 5, functional test connector 6, voltage
The connector center line of test splice 7 and resistance test connector 8 is in same level, and the top of resistance test connector 8 is equipped with
Ohmmeter 9.Insulation test connector 3, voltage-withstand test connector 4, burn-in test connector 5, functional test connector 6, voltage tester connector 7
And resistance test connector 8 respectively with insulation tester 21, pressure tester 22, aging tester 23, functional tester 24 and electricity
Pressure tester 25 corresponds electrical connection, and resistance test connector 8 is electrically connected with ohmmeter 9.Insulation test connector 3, voltage-withstand test
Connector 4, burn-in test connector 5, functional test connector 6 and voltage tester connector 7 underface correspond and be equipped with work and indicate
Lamp 201, work light 202, work light 203, work light 204 and work light 205.All working instruction
The line of lamp is a horizontal linear.Work light 201, work light 202, work light 203, work light
204 and work light 205 be electrically connected respectively with microcontroller 18.
The top of display panel 10 is equipped with camera 12, and camera 12 is electrically connected with microcontroller 18.Camera 12
The appearance of electronic product is shot.The side of display panel 10 is equipped with control button 14, and control insulate, is resistance to respectively
Pressure, voltage, aging, the start and stop of functional tester.The lower section of control button 14 is equipped with warning indicator light 15, warning indicator light 15
It is electrically connected with microcontroller 18.
Refering to Fig. 3, the rear side shell of rubber protective shell 1 is equipped with external power supply jack 26.Supply hub is outer for connecting
Portion's power supply provides electric power for finished product test device.
Below by taking the finished product test device of embodiment 1 as an example, illustrate electronic product production finished product test of the invention
Method is as follows:
The electronic product finished product that will be detected is placed in the front side of rubber protective shell 1, and the present apparatus is passed through external power supply
Jack 26 connects external power supply, respectively by electronic product and Insulation test connector 3, voltage-withstand test connector 4, burn-in test connector
5, functional test connector 6, voltage tester connector 7 and the one-to-one correspondence of resistance test connector 8 are attached.Present apparatus electrification, one by one
Press insulation, pressure resistance, voltage, aging, functional test control button, insulation tester 21, pressure tester 22, aging tester
23, network function tester 24, voltage tester 25 are respectively to the insulation degree of electronic product, pressure-resistant effect, degree of aging, net
Network function and voltage are tested, and test signal is transmitted to microcontroller 18, microcontroller 18 to signal at
Information is stored into information memory card 19 after reason, and shows test value in display panel 10 after being handled by visualization module 17
In.These parameters are divided into not by microcontroller 18 according to insulation degree, pressure-resistant effect, degree of aging, network function and voltage
Normally, generally, normally, extraordinary four grades, different grades is with different colors in corresponding work light 201~205
In show, as it is red it is unqualified, yellow is general, green is qualified, blue extraordinary.
The measured value of resistance is shown in ohmmeter.Meanwhile camera 12 shoots the appearance of electronic product, and
Send shooting picture to microcontroller 18, information is stored to information after handling signal and stored by microcontroller 18
It in card 19, and is shown on display panel 10 after being handled by visualization module 17, is referred to for testing staff, or be subsequent outer
The automation of sight differentiates that processing provides function and supports, such as image recognition, than equity.
In detection process, when the insulation degree of detection, pressure-resistant effect, degree of aging, network function and voltage have one not
In the normal value being previously set, buzzer alarm 20 issues alarm, while warning indicator light 15 is glittering.
Embodiment 2
Embodiment 2 and embodiment 1 are essentially identical, the difference is that only that the setting of functional tester is produced according to test
The network function parameter difference of product selects different functional testers, such as cable continuity testing, cable specification test, cable
Sequence test etc..
Not doing the part illustrated in above instructions is the prior art, or has both been able to achieve by the prior art.
The basic principles, main features and advantages of the invention have been shown and described above.It should be understood by those skilled in the art that this hair
Bright to be not restricted to the described embodiments, the above embodiments and description only illustrate the principle of the present invention, is not taking off
Under the premise of from spirit and scope of the invention, various changes and improvements may be made to the invention, these changes and improvements, which are both fallen within, to be wanted
It asks in the scope of the invention of protection.
Claims (10)
1. a kind of electronic product production finished product test device, including rubber protective shell, it is characterised in that: the rubber protective shell
Interior visualization module, microcontroller, information memory card, insulation tester, pressure tester, aging tester, the voltage of being equipped with is surveyed
Try instrument and functional tester；The visualization module, information memory card, insulation tester, pressure tester, aging tester, electricity
Pressure tester and functional tester are electrically connected with microcontroller respectively；The front side shell of the rubber protective shell is equipped with display
Panel, the lower section of display panel are equipped with Insulation test connector, voltage-withstand test connector, voltage tester connector, burn-in test side by side and connect
The top of head, functional test connector and resistance test connector, resistance test connector is equipped with ohmmeter；The display panel and imaging
Module electrical connection, the Insulation test connector, voltage-withstand test connector, voltage tester connector, burn-in test connector, functional test connect
Head is electrically connected with insulation tester, pressure tester, voltage tester, aging tester, functional tester one-to-one correspondence respectively；
Resistance test connector is electrically connected with ohmmeter, and the rear side shell of the rubber protective shell is equipped with supply hub, and supply hub is used
In connection external power supply, electric power is provided for the finished product test device.
2. finished product test device as described in claim 1, it is characterised in that: be additionally provided with voltage-limiting protection in the rubber protective shell
The side of device and buzzer alarm, display panel is equipped with warning indicator light, and the voltage-limiting protector, buzzer alarm and alarm refer to
Show that lamp is electrically connected with microcontroller respectively.
3. finished product test device as described in claim 1, it is characterised in that: the side of the display panel be additionally provided with insulation,
Pressure resistance, voltage, aging, functional test control button, the control button respectively with insulation tester, pressure tester, aging
Tester, voltage tester and functional tester correspond electrical connection；The Insulation test connector, voltage-withstand test connector, electricity
It presses the lower section of test splice, burn-in test connector and functional test connector to correspond and is equipped with work light, the work refers to
Show that lamp is electrically connected with microcontroller respectively.
4. finished product test device as described in claim 1, it is characterised in that: be equipped with camera shooting above the display panel
Head, the camera are electrically connected with microcontroller.
5. finished product test device as described in claim 1, it is characterised in that: the Insulation test connector, voltage-withstand test connector,
Burn-in test connector, functional test connector and voltage tester connector are two-wire connector, and center line is in same level.
6. finished product test device as described in claim 1, it is characterised in that: be equipped at the top of the rubber protective shell portable
Band, the hand-strap are made of non-woven fabrics, whole in band-like, are bolted at the top of the rubber protective shell.
7. finished product test device as described in claim 1, it is characterised in that: the display panel is touch sensitive liquid crystal display
Screen, is nested in the outer surface of the rubber protective shell.
8. finished product test device as described in claim 1, it is characterised in that: the rubber protective shell is not less than 3 using thickness
The natural rubber of millimeter is made.
9. finished product test device as described in claim 1, it is characterised in that: the one side of the rubber protective shell is equipped with heat dissipation
Plate, heat release hole is offered on heat sink, and the inside of heat release hole is equipped with Air Filter.
10. a kind of electronic product production finished product test method, is applied to test dress as described in claim 1~9 any one
In setting, it is characterised in that: electronic product is placed on front side of the rubber protective shell, respectively surveys electronic product and the insulation
Try head, the voltage-withstand test connector, the burn-in test connector, the functional test connector, the voltage tester connector and
Resistance test connector is attached, and the insulation tester, the pressure tester, the aging tester, the function are surveyed
Instrument, the voltage tester is tried respectively to carry out the insulation degree of electronic product, pressure-resistant effect, degree of aging, function and voltage
Test, and test signal is transmitted to the microcontroller, the microcontroller stores up information after handling signal
It deposits into the information memory card, and is shown in above the display panel after being handled by the visualization module.Electronic product
Resistance value test and show by ohmmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031582.4A CN108931671A (en) | 2018-09-05 | 2018-09-05 | Finished product testing device for electronic product production and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031582.4A CN108931671A (en) | 2018-09-05 | 2018-09-05 | Finished product testing device for electronic product production and testing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108931671A true CN108931671A (en) | 2018-12-04 |
Family
ID=64443557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811031582.4A Pending CN108931671A (en) | 2018-09-05 | 2018-09-05 | Finished product testing device for electronic product production and testing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108931671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117406035A (en) * | 2023-10-12 | 2024-01-16 | 江苏东海半导体股份有限公司 | Pressure resistance detection device for silicon carbide chip |
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| CN201707405U (en) * | 2010-05-10 | 2011-01-12 | 广东省机械研究所 | Comprehensive tester for safety performance of electric tool |
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| CN203443596U (en) * | 2013-08-22 | 2014-02-19 | 南京更佳电子科技有限公司 | Grade indicating device on detection apparatus |
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| CN106053997A (en) * | 2016-07-15 | 2016-10-26 | 广东斯泰克电子科技有限公司 | Electronic product automatic detection and automatic aging system |
| CN107677955A (en) * | 2017-11-13 | 2018-02-09 | 无锡凹凸自动化科技有限公司 | A kind of fault test set of electronic product integrated circuit |
| CN208984671U (en) * | 2018-09-05 | 2019-06-14 | 南京信息职业技术学院 | Finished product testing device is used in electronic product production |
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- 2018-09-05 CN CN201811031582.4A patent/CN108931671A/en active Pending
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|---|---|---|---|---|
| CN201707405U (en) * | 2010-05-10 | 2011-01-12 | 广东省机械研究所 | Comprehensive tester for safety performance of electric tool |
| CN203164404U (en) * | 2013-01-28 | 2013-08-28 | 南京民盛电子仪器有限公司 | Intensive testing system for safety regulation tester |
| CN203443596U (en) * | 2013-08-22 | 2014-02-19 | 南京更佳电子科技有限公司 | Grade indicating device on detection apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117406035A (en) * | 2023-10-12 | 2024-01-16 | 江苏东海半导体股份有限公司 | Pressure resistance detection device for silicon carbide chip |
| CN117406035B (en) * | 2023-10-12 | 2024-05-14 | 江苏东海半导体股份有限公司 | Pressure resistance detection device for silicon carbide chip |
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Application publication date: 20181204 |
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| RJ01 | Rejection of invention patent application after publication |