CN1892237A - Testing apparatus and testing method using same - Google Patents
Testing apparatus and testing method using same Download PDFInfo
- Publication number
- CN1892237A CN1892237A CN 200510035882 CN200510035882A CN1892237A CN 1892237 A CN1892237 A CN 1892237A CN 200510035882 CN200510035882 CN 200510035882 CN 200510035882 A CN200510035882 A CN 200510035882A CN 1892237 A CN1892237 A CN 1892237A
- Authority
- CN
- China
- Prior art keywords
- transmission board
- proving installation
- conducting strip
- self
- measured
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The present invention discloses testing device for electronic installation. It includes one workbench, one transmission board and one test instrument, wherein said transmission board set on said workbench and capable of moving, said test instrument used for testing electronic installation, said testing device further including one automatic identification device used for identifying whether transmission board loading electronic installation to be tested, one high voltage connection end and one automatic controller, automatic identification device sending one recognition signal, said automatic controller receiving said recognition signal and sending relevant instruction controlling said high voltage connection end relevant action.
Description
[technical field]
The invention relates to a kind of high withstand voltage testing device and method of testing thereof, especially about a kind of robotization high withstand voltage testing device and method of testing thereof.
[background technology]
The manufacturing of electron device at present is superior day by day, and therefore, the voltage characteristic and the electrical specification of testing various electron devices are more and more important.For example its test event comprises input voltage, output voltage, output current, output load, output power, output noise, power-efficient, high voltage and short-circuit test or the like.
Generally, for prevent to get an electric shock, static discharges or prevent that heat and electromagnetic wave etc. from bringing injury to human body, thereby set up the electrical safety standard.Equally when electron device is carried out Hi-pot test and insulation impedance earthing test, satisfy Hi-pot test and the insulation impedance earthing test reaches ZD Zero Defect.High pressure resistant test (HI-POT TEST) is that electron device is applied normal uncommon high voltage in service, with the insulating property of testing this electron device and the high-voltage resistance capability of internal capacitance, measure as high voltage bearing silicon controlled, various transistorized reverse withstand voltage measurements, the fine leak electrical measurement of high-voltage capacitance and the withstand voltage insulation measurement of material installation etc.This test comprises the voltage endurance capability of test between live wire and center line respectively, and another kind is the voltage endurance capability of test between live wire and ground wire, center line and ground wire.On streamline, design has high efficiency proving installation can effectively increase work efficiency, and accurately judges the quality that is connected the electron device in the circuit.
Seeing also Fig. 1, is a kind of test synoptic diagram of high withstand voltage testing device 100 of prior art.This high withstand voltage testing device 100 comprises a worktable 110, a transmission board 120, a clamping device 130, a foot-switch 131 and a tester 140.This transmission board 120 is placed on this worktable 110, and is used to carry LCD to be tested 180.This clamping device 130 is arranged on this worktable 110, and operating personnel's (figure does not show) control this clamping device 130 by this braking foot-switch 131.This tester 140 is placed on this worktable 110 easy position of observing of operating personnel on one side.This worktable 110 side respective operations personnel's position is provided with an interface circuit 112, and itself and this tester 140 is electrically connected by a lead 150.
When this high withstand voltage testing device 100 was tested, power lead on this LCD 180 and signal wire and this interface circuit 112 electrically connected, and promptly can test automatically and read test result by this tester 140.
On streamline, the transmission board 120 that carries LCD to be tested 180 moves to high pressure resistant test worker when standing, operating personnel control this clamping device 130 via this foot-switch 131 and upspring this transmission board 120 is stopped, and then operating personnel are with the corresponding socket 1122 on power-line plug 182 on this LCD 180 and the signal wire plug 184 insertion interface circuits 112,1124, then read test result, this transmission board 120 is moved arrive next to test worker to stand when test result shows to press down via these braking foot-switch 131 these clamping device 130 of control by the back operating personnel from this tester 140.
But, when this high withstand voltage testing device 100 is tested, need operate the action of finishing electric connection, but this worker station is high pressure resistant test worker station by the people, therefore the voltage of input is high voltage, to operating personnel's tool certain risk.In addition, must be operated the grafting operation of a very simple and mechanical property and be realized high pressure resistant test process by a people, this can cause the waste of manpower, and then increases manufacturing cost.
[summary of the invention]
For overcoming prior art proving installation tool certain risk and the higher defective of manufacturing cost, be necessary to provide a kind of safety, and save the proving installation of manufacturing cost.
Simultaneously, also provide a kind of method of testing that adopts above-mentioned proving installation.
In one embodiment, the technical scheme that the technical solution problem is adopted is: a kind of proving installation is provided, it comprises a worktable, one is used to place the transmission board and a tester of electronic installation to be measured, this transmission board is placed on this worktable, and can on this worktable, move, this tester is used for this electronic installation to be measured of test, wherein, this proving installation comprises that further one is used to discern the automatic identification equipment that whether is mounted with electronic installation to be measured on the transmission board, an one high pressure link and a self-actuated controller, automatic identification equipment sends an identification signal, this self-actuated controller receives this identification signal, and sends command adapted thereto and control this high pressure link corresponding actions.
This proving installation further comprises an electric current link, and its recognition result according to automatic identification equipment has electronic installation to be measured to move, and is communicated with a plurality of signalling channels.
Another embodiment provides a kind of method of testing of using this proving installation, this method comprises the steps: to load electronic installation to be measured to this transmission board, and the video signal interface of this electronic installation to be measured and power interface are connected to video signal interface and power interface on this transmission board respectively; Move horizontally this transmission board along worktable, this automatic identification equipment produced an identification signal when this transmission board arrived on this automatic identification equipment, and notified this self-actuated controller; This self-actuated controller is controlled this clamping device and is upspring, and stops this transmission board; The automatic identification equipment that is positioned at the worktable both sides to whether loading electronic installation to be measured on the transmission board is discerned, and notifies this self-actuated controller; After this self-actuated controller receives this identification signal, at first control this electric current link and this high pressure link and be electrically connected this load output Connection Block and this current-carrying plate respectively, make this electronic installation to be measured by these a plurality of interface circuits, then this electronic installation to be measured is tested, test finishes, and the back disconnects this electric current link and this high pressure link is exported being electrically connected of Connection Block and current-carrying plate with load respectively; And control this clamping device and press down and make this transmission board continue to move.
Compared with prior art, because proving installation of the present invention comprises an automatic identification equipment, an electric current link, a high pressure link and a self-actuated controller, this self-actuated controller receives the identification signal of being sent by automatic identification equipment in test process, thereby controlling this electric current link and high pressure link electrically connects respectively, be communicated with a plurality of signalling channels and finish Hi-pot test, can carry out the high pressure resistant test of robotization, can improve security and save manufacturing cost.
[description of drawings]
Fig. 1 is a kind of test synoptic diagram of prior art proving installation.
Fig. 2 is the synoptic diagram of the disclosed a kind of proving installation of an embodiment.
Fig. 3 is the synoptic diagram that is electrically connected of proving installation shown in Figure 2.
[embodiment]
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of the disclosed a kind of proving installation 200 of the present invention's one better embodiment.Fig. 3 is the synoptic diagram that proving installation 200 shown in Figure 2 is electrically connected, and the annexation when showing that clearly this Fig. 3 tests only shows the test pattern of single face.This proving installation 200 comprises the tri coloured lantern 230 that a worktable 210, a transmission board 220, a tester 240, an automatic identification equipment 250, an electric current link 260, a high pressure link 270, a self-actuated controller 290 and are made up of red colored lamp, green light and amber light.
An one braking recognition device 212 and a clamping device 214 is set on this worktable 210, this clamping device 214 is used to control this transmission board 220 and moves or stop, this braking recognition device 212 is positioned at before this clamping device 214 below of transmission boards 220 and is used for identification and whether has transmission board 220 and produce an identification signal, and it can adopt an optoelectronic switch.
This transmission board 220 is to be used to load LCD 280, and can move horizontally along this worktable 210.This transmission board 220 comprises a loading end 221 and one and these loading end 221 opposing backside surface (figure do not show), this loading end 221 is surfaces that are placed with LCD 280, this loading end 221 is provided with a power interface 223 and load output Connection Block 226, this load output Connection Block 226 is rectangular boxs, this rectangular box is provided with a vision signal and connects 2261, be used to be electrically connected the video signal interface of this LCD 280, this power interface 223 is used to be electrically connected the power interface of this LCD 280.This back side is provided with one and has input current element (figure does not show), and this current element is three strip current-carrying plates, and these three strip current-carrying plates are electrically connected at this power interface 223.
This automatic identification equipment 250 is positioned at top, this workspace, worktable 210 both sides and is used to discern transmission board 220 and whether is mounted with LCD 280, this automatic identification equipment 250 is the infrared light sensor, and automatic identification equipment 250 can produce an identification signal by light identification.
This high pressure link 270 is placed on this test zone worktable 210 and these transmission board 220 belows, this high pressure link 270 comprises one first pneumatic element 271, one first conducting strip 273, one second conducting strip 274 and one the 3rd conducting strip 275, this first conducting strip 273, second conducting strip 274 and the 3rd conducting strip 275 are respectively the strip derby, and be distributed in side by side on the same surface, this first pneumatic element 271 is connected with the 3rd conducting strip 275 with this first conducting strip 273, second conducting strip 274.This first pneumatic element 271 electrically connects with this self-actuated controller 290, this self-actuated controller 290 is controlled first pneumatic element 271 by the identification signal that this automatic identification equipment 250 produces, and moves up and down to drive this first conducting strip 273, second conducting strip 274 and the 3rd conducting strip 275.This first conducting strip 273, second conducting strip 274 and the 3rd conducting strip 275 correspond to three strip current-carrying plates setting on these transmission board 220 back sides, and can distinguish electrically and contact.
This electric current link 260 is positioned at this top, workspace, worktable 210 both sides, is provided with adjacent to this automatic identification equipment 250.This electric current link 260 comprises one second pneumatic element 261 and a metal probe 262 respectively, and this metal probe 262 is the elastic probes that can stretch, and this metal probe 262 is corresponding with this load output Connection Block 226.This second pneumatic element 261 is connected with this metal probe 262.This second pneumatic element 261 electrically connects with this self-actuated controller 290, and this self-actuated controller 290 is controlled second pneumatic element 261 according to the identification signal that this automatic identification equipment 250 produces, and moves up and down to drive this metal probe 262.
This tester 240 is placed on the workspace of this worktable 210, and it comprises a high-pressure side 241, a low pressure end 242 and a ground end 244.This high-pressure side 241 electrically connects with this first conducting strip 273 and second conducting strip 274, this ground end 244 and the 3rd conducting strip 275 equal ground connection, and this low pressure end 242 electrically connects with this metal probe 262.
Should be positioned at this top, workspace, worktable 210 both sides by the tri coloured lantern 230 that red colored lamp, green light and amber light are formed, be provided with adjacent to this two electric currents link 260, and electrically connect with this self-actuated controller 290, be used to show test results, as these LCD 280 test results by the time show that green light is bright, otherwise, can not by the time show that red light is bright, if the test just showing that amber light is bright.
This self-actuated controller 290 is used to receive the signal that is produced by braking recognition device 212, automatic identification equipment 250 and tester 240, and send steering order, control respectively this clamping device 214 upspring or fall, the lamp of this high pressure link 270 and this electric current link 260 conductings or disconnection, these tri coloured lantern 230 bright any colors is bright.
This workflow of stating proving installation 200 specifically describes as follows:
Step 1: load this two LCD 280 to this transmission board 220, video signal interface 2261 and power interface 223 that the video signal interface and the power interface of this two LCD 280 is connected to this transmission board 220 respectively;
Step 2: move horizontally this transmission board 220 along worktable 210, this braking recognition device 212 produces an identification signal when entering this perform region, and notice self-actuated controller 290, after this self-actuated controller 290 receives this identification signal, control this clamping device 214 and upspring, thereby this transmission board 220 is stopped;
Step 3: be positioned at and whether be mounted with LCD 280 on 250 pairs of these transmission boards 220 of automatic identification equipment of workspace, worktable 210 both sides top and discern.Difference as a result according to identification is carried out following operation respectively:
Recognition result one: automatic identification equipment 250 recognizes and does not load LCD 280 on the transmission board 220, produce an identification signal, and notify this self-actuated controller 290, and these self-actuated controller 290 controls press down this clamping device 214, and this transmission board 220 continues to move;
Recognition result two: automatic identification equipment 250 recognizes and is mounted with LCD 280 on the transmission board 220, produces an identification signal, and notifies this self-actuated controller 290, thereby enters next step;
Step 4: after this self-actuated controller 290 receives and is mounted with two LCD, 280 identification signals on this transmission board 220, controlling this second pneumatic element 261 moves down, controlling this first pneumatic element 271 simultaneously moves up, the metal probe 262 that is fixed on this second pneumatic element 261 is connected with this load output Connection Block 226, make this first conducting strip 273 that is fixed on this first pneumatic element 271, the corresponding one by one electrical connection of three strip current-carrying plates on second conducting strip 274 and the 3rd conducting strip 275 and these transmission board 220 back sides is communicated with a plurality of signalling channels.Simultaneously, produce the identification signal as a result of a test, and notify this self-actuated controller 290;
Step 5: this self-actuated controller 290 is received the lamp of these tri coloured lantern 230 bright which colors of control after this test result identification signal.Green light is bright when passing through as these LCD 280 test results, otherwise red light is bright in the time of can not passing through, and is bright with regard to amber light if test is being carried out;
Test result one: after tri coloured lantern 230 warning red lights are bright, these self-actuated controller 290 these second pneumatic elements 261 of control move up, this metal probe 262 is separated with this load output Connection Block 226, simultaneously, controlling this first pneumatic element 271 moves down, first conducting strip 273, second conducting strip 274 and the 3rd conducting strip 275 are separated with three strip current-carrying plates on these transmission board 220 back sides, and the back is taken this LCD 280 away by operating personnel, and this transmission board 220 continues to move;
Test result two: give a green light when tri coloured lantern 230 shows, these self-actuated controller 290 these second pneumatic elements 261 of control move up, this metal probe 262 that is fixed on second pneumatic element 261 is separated with this load output Connection Block 226, simultaneously, control this first pneumatic element 271 and move down, first conducting strip 273, second conducting strip 274 and the 3rd conducting strip 275 are separated with three strip current-carrying plates on these transmission board 220 back sides; And control this clamping device 214 and press down and make this transmission board 220 continue to move.
In test process, the ground end 244 of the high-pressure side 241 of this tester 240, high pressure link 270, this LCD 280 and this tester 240 constitutes complete test circuit and finishes high pressure resistant test, and the ground end 244 of the low pressure end 242 of this tester 240, electric current link 260, LCD 280, high pressure link 270 and tester 240 constitutes complete test circuit and finishes anti-high testing current.
Compared to prior art, because proving installation 200 of the present invention comprises an automatic identification equipment 250, an electric current link 260, a high pressure link 270 and a self-actuated controller 290, this self-actuated controller 290 receives the identification signal of being sent by automatic identification equipment 250 in test process, thereby controlling this electric current link 260 is connected with high pressure link 270, be communicated with a plurality of signalling channels and finish Hi-pot test, promptly can carry out the high pressure resistant test of robotization, can improve security and save manufacturing cost.
But, it is described that this proving installation 200 is not limited to above-mentioned first embodiment, this proving installation 200 can be designed as and only tests a LCD 280, i.e. this automatic identification equipment 250, electric current link 260 and tri coloured lantern 230 only are arranged on a side of this worktable 210, to be tested also can be other electronic equipment, as cathode-ray tube display, this first conducting strip 273 of this high pressure link 270, second conducting strip 274 and the 3rd conducting strip 275 can be designed as the metal probe of stripe-arrangement, the metal probe 262 of this electric current link 260 also can be designed as sheet metal, this tri coloured lantern can be the combination of the lamp of other three kinds of colors also, shows test results.This tri coloured lantern also can be designed as other type of alarm, as long as allow operating personnel learn unusually, as alarm of being combined by alternative sounds etc.
Claims (14)
1. proving installation, it comprises a worktable, one is used to place the transmission board and a tester of electronic installation to be measured, this transmission board is placed on this worktable, and can on this worktable, move, this tester is used for this electronic installation to be measured of test, it is characterized in that: comprise that further one is used to discern the automatic identification equipment that whether is mounted with electronic installation to be measured on the transmission board, an one high pressure link and a self-actuated controller, automatic identification equipment sends an identification signal, this self-actuated controller receives this identification signal, and send command adapted thereto and control this high pressure link corresponding actions, be communicated with or be not communicated with a plurality of signalling channels.
2. proving installation as claimed in claim 1 is characterized in that: this proving installation further comprises an electric current link, and its recognition result according to automatic identification equipment has electronic installation to be measured to move, and is communicated with a plurality of signalling channels.
3. proving installation as claimed in claim 2 is characterized in that: this electric current link comprises a metal probe and one second pneumatic element, and this second pneumatic element and this metal probe are fixed together and can move this metal probe.
4. proving installation as claimed in claim 3 is characterized in that: this second pneumatic element and this self-actuated controller electrically connect, and this self-actuated controller is controlled this second pneumatic element and moved.
5. proving installation as claimed in claim 2, it is characterized in that: this high pressure link comprises one first conducting strip, one second conducting strip, one the 3rd conducting strip and one first pneumatic element, this first conducting strip, second conducting strip and the 3rd conducting strip and column distribution and be fixed together with this first pneumatic element, this first pneumatic element drives this first conducting strip, second conducting strip and the 3rd conducting strip and moves up and down.
6. proving installation as claimed in claim 5 is characterized in that: this first pneumatic element and this self-actuated controller electrically connect, and this self-actuated controller is controlled this first pneumatic element and moved.
7. proving installation as claimed in claim 5 is characterized in that: this transmission board comprises that one is used to place the loading end of this electronic installation to be measured, and this loading end is provided with a power interface that is used to electrically connect this electronic device power interface to be measured.
8. proving installation as claimed in claim 7 is characterized in that: further be provided with load output Connection Block on this loading end, corresponding to the metal probe setting of this electric current link.
9. proving installation as claimed in claim 8 is characterized in that: this load output Connection Block is a rectangular box, and this rectangular box is provided with a video signal interface that is used to electrically connect this electronic installation video signal interface to be measured.
10. proving installation as claimed in claim 7, it is characterized in that: this transmission board further comprises a back side, this back side is provided with respect to this loading end, and this back side is provided with three strip current-carrying plates, and it is corresponding to this first conducting strip, second conducting strip and the 3rd conducting strip setting.
11. proving installation as claimed in claim 2 is characterized in that: this worktable is provided with one and is used to control the clamping device that this transmission board moves or stops.
12. proving installation as claimed in claim 11, it is characterized in that: further be provided with one on this worktable and be used to discern the braking recognition device that whether has transmission board, it produces an identification signal, and this self-actuated controller receives this identification signal, and controls this clamping device.
13. proving installation as claimed in claim 2 is characterized in that: this proving installation further comprises a tri coloured lantern of being made up of red colored lamp, green light and amber light, and it is in this workspace, and adjacent this electric current link is provided with.
14. use a kind of method of testing of proving installation as claimed in claim 1 to comprise the steps:
Load an electronic installation to be measured to this transmission board, the video signal interface of this electronic installation to be measured and power interface are connected to video signal interface and power interface on this transmission board respectively;
Move horizontally this transmission board along worktable, this braking recognition device produced an identification signal when this transmission board arrived on the braking recognition device, and notified this self-actuated controller;
This self-actuated controller is controlled a clamping device and is upspring, and stops this transmission board;
The automatic identification equipment that is positioned at the worktable both sides to whether loading electronic installation to be measured on the transmission board is discerned, and notifies this self-actuated controller;
After this self-actuated controller receives this identification signal, at first control an electric current link and this high pressure link and be electrically connected a load output Connection Block and a current-carrying plate respectively, a plurality of signalling channels of this electronic installation to be measured of conducting, then this electronic installation to be measured is tested, test finishes, and the back disconnects this electric current link and this high pressure link is exported being electrically connected of Connection Block and current-carrying plate with load respectively; And control this clamping device and press down and make this transmission board continue to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100358826A CN100437129C (en) | 2005-07-06 | 2005-07-06 | Testing apparatus and testing method using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100358826A CN100437129C (en) | 2005-07-06 | 2005-07-06 | Testing apparatus and testing method using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1892237A true CN1892237A (en) | 2007-01-10 |
| CN100437129C CN100437129C (en) | 2008-11-26 |
Family
ID=37597320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100358826A Expired - Fee Related CN100437129C (en) | 2005-07-06 | 2005-07-06 | Testing apparatus and testing method using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100437129C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121961A (en) * | 2010-12-20 | 2011-07-13 | 梅州市志浩电子科技有限公司 | High voltage-resistant test device and high voltage-resistant test method adopting same |
| CN103116117A (en) * | 2013-02-01 | 2013-05-22 | 东莞市万将机电设备有限公司 | Automatic high-voltage tester |
| CN103884969A (en) * | 2014-03-18 | 2014-06-25 | 深圳创维－Rgb电子有限公司 | Television high-voltage testing system |
| CN104764947A (en) * | 2014-01-07 | 2015-07-08 | 爱德万测试公司 | Integrated rf mems on ate loadboards for smart self rf matching |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100758809B1 (en) * | 2000-12-30 | 2007-09-13 | 엘지.필립스 엘시디 주식회사 | Apparatus Of Inspfcting Liquid Crystal Display |
| US6783316B2 (en) * | 2001-06-26 | 2004-08-31 | Asm Assembly Automation Limited | Apparatus and method for testing semiconductor devices |
| CN2510453Y (en) * | 2001-08-02 | 2002-09-11 | 黄平尧 | Improved circuit board registering apparatus |
| CN2510874Y (en) * | 2001-11-14 | 2002-09-11 | 明碁电通股份有限公司 | Testing apparatus of liquid crystal displaying device |
| CN1244818C (en) * | 2003-03-04 | 2006-03-08 | 友达光电股份有限公司 | Test device |
-
2005
- 2005-07-06 CN CNB2005100358826A patent/CN100437129C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121961A (en) * | 2010-12-20 | 2011-07-13 | 梅州市志浩电子科技有限公司 | High voltage-resistant test device and high voltage-resistant test method adopting same |
| CN103116117A (en) * | 2013-02-01 | 2013-05-22 | 东莞市万将机电设备有限公司 | Automatic high-voltage tester |
| CN103116117B (en) * | 2013-02-01 | 2015-05-13 | 东莞市万将机电设备有限公司 | Automatic high-voltage tester |
| CN104764947A (en) * | 2014-01-07 | 2015-07-08 | 爱德万测试公司 | Integrated rf mems on ate loadboards for smart self rf matching |
| CN104764947B (en) * | 2014-01-07 | 2018-07-20 | 爱德万测试公司 | The integrated RF MEMS of RF intelligence Self Matchings are used in ATE load plates |
| CN103884969A (en) * | 2014-03-18 | 2014-06-25 | 深圳创维－Rgb电子有限公司 | Television high-voltage testing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100437129C (en) | 2008-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI274167B (en) | High voltage testing apparatus and testing method using the same | |
| CN100437129C (en) | Testing apparatus and testing method using same | |
| CN102121961B (en) | High voltage-resistant test device and high voltage-resistant test method adopting same | |
| CN1885048A (en) | High voltage automatic accessing device for unmanned testing | |
| CN112305449A (en) | Light-emitting element defect detection jig and screen short circuit detection method | |
| CN108469583A (en) | ICT tester | |
| CN1847858A (en) | Test adaptor card and test equipment | |
| CN216870698U (en) | Circuit PCB integrated circuit board testing arrangement | |
| CN1272636C (en) | Method and apparatus for detecting electric power assembly | |
| CN213813843U (en) | High voltage and function test system of power supply conversion product | |
| CN210893632U (en) | Auxiliary joint device of switch mechanical characteristic tester | |
| CN203216947U (en) | Test fixture with automatic function | |
| CN108549044B (en) | Insulation line selection tester for direct current system of transformer substation | |
| KR20220114414A (en) | System for inspecting departure of connector pin | |
| CN109541497A (en) | A kind of LED lamp panel intelligent detection equipment | |
| CN101074974A (en) | Grounded inspection circuit | |
| CN212586511U (en) | High efficiency motor aging testing device | |
| CN218481232U (en) | Simulation test bench | |
| CN110567694A (en) | Auxiliary joint device of switch mechanical characteristic tester | |
| CN112578235B (en) | High-voltage and functional test system of power conversion product | |
| KR100292167B1 (en) | Inspection test apparatus and test method of rolling stock | |
| KR101669558B1 (en) | Withstand voltage checking apparatus for regulator of alternator for vehicle | |
| CN221281161U (en) | Circuit board detection tool for intelligent electrical device board of commercial vehicle | |
| CN219715564U (en) | Inter-board connector testing device | |
| CN215599334U (en) | Experimental fixture is lighted to paster LED lamp pearl |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20170706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |