CN106841986A - PCBA board test device and system - Google Patents
PCBA board test device and system Download PDFInfo
- Publication number
- CN106841986A CN106841986A CN201710048474.7A CN201710048474A CN106841986A CN 106841986 A CN106841986 A CN 106841986A CN 201710048474 A CN201710048474 A CN 201710048474A CN 106841986 A CN106841986 A CN 106841986A
- Authority
- CN
- China
- Prior art keywords
- test
- adapter
- pcb board
- board
- pcba
- 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.)
- Pending
Links
Classifications
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The present invention discloses a kind of PCBA board test device and system, wherein the PCBA board test device, and for testing PCBA board, PCBA board is provided with test point, and the PCBA board test device includes metal connecting piece, pcb board and adapter；Adapter is electrically connected with pcb board, adapter, is electrically connected with tester and display；Metal connecting piece, the test point and pcb board of connection PCB A plates, by the signal transduction of test point to tester；Tester exports test signal to pcb board through adapter, transmits to PCBA board to be tested test signal through metal connecting piece, and PCBA board transmits to pcb board test signal after treatment through metal connecting piece, then is exported to display display test result through adapter.Technical solution of the present invention improves the reliability of test, reduces testing cost.
Description
Technical field
The present invention relates to technical field of measurement and test, more particularly to a kind of PCBA board test device and system.
Background technology
With the progress of science and technology, electronics industry development is advanced by leaps and bounds, and the reliability of comparatron and can be safeguarded
Property require also more and more higher.In electronic manufacturing field, the intermediate link of production generally requires to survey TV SKD PCBA
Examination.
Shown in reference picture 1, traditional method of testing is that the PCBA that need to be tested is connected with measurement jig, and the method for connecting
All it is that metal connecting piece structural member is fixed position, human weld is connected probe and adapter, tester with connecting line
Connect, complete the making of measurement jig.
When test product frequency is high, test product circuit complicated, test point is more, measurement jig can be caused to occur unstable,
Poor reliability, test station is more in addition, is increased using tool quantity, and the making tool time is long, and tool cost can be multiplied,
Big conference improves production cost.
The content of the invention
The main object of the present invention is to propose a kind of PCBA board test device, it is intended to improve the reliability of test, reduces and surveys
Examination cost.
To achieve the above object, PCBA board test device proposed by the present invention, the PCBA board is provided with test point, should
PCBA board test device includes metal connecting piece, pcb board and adapter；The adapter is electrically connected with the pcb board,
The adapter, electrically connects with tester and display；
The metal connecting piece, the test point and pcb board of connection PCB A plates, by the signal transduction of test point to the survey
Test instrument；
Tester exports test signal to the pcb board through adapter, through metal connecting piece by test signal transmit to
PCBA board to be tested, PCBA board transmits to the pcb board test signal after treatment through metal connecting piece, then through the adapter
Output to display shows test result.
Preferably, the pcb board is provided with via, and the via is connected with the adapter by metal routing.
Preferably, using the pcb board with the PCBA same size sizes to be tested, the pcb board is the pcb board
Double-layer PCB board, the position of the upper test points of PCBA is corresponding with hole site excessively on the pcb board.
Preferably, the metal connecting piece is test probe.
Preferably, the metal connecting piece includes the supporting part and test department that are connected, and the test department is tapered.
Preferably, the PCBA board test device also includes jig structure part, and the jig structure part fixes the pcb board
And PCBA board to be tested so that the via of pcb board is corresponding with the test point of PCBA board to be tested.
Preferably, the jig structure part includes that the fixation of the supporting table is fixed in supporting table, supporting plate and multiple one end
Post；The pcb board is located at the supporting table between the supporting plate, and it is fixed to be offered respectively on the supporting plate and the pcb board
Position hole, the other end of the fixed column passes through the location hole of the supporting table and the location hole of supporting plate.
Preferably, the adapter includes the first input adapter, the first output adapter and the second output adapter；Institute
State the first input adapter to be connected with tester, with input test signal；The first output adapter and the second output turn
Joint chair is connected with the display, to output test result.
Preferably, the PCBA board test device also includes pneumatic structure part, and the pneumatic structure part is located at the tool
The top of structural member；The pneumatic structure part includes cylinder, installing plate, pressing plate and mounting bracket；The lower surface of the pressing plate sets
There is thimble；
The pressing plate is arranged at the mounting bracket, and the cylinder is arranged at the installing plate, the pressing plate and the gas
Cylinder is connected；
When being tested, pressing plate described in the air cylinder driven declines, and drives the thimble to abut PCBA board to be tested.
The present invention also proposes a kind of test system, and the test system includes tester, display and as described above
PCBA board test device；The tester and display are all electrically connected with the PCBA board test device；In the PCBA board
Test point is provided with, the PCBA board test device includes metal connecting piece, pcb board and adapter；The adapter and the PCB
Plate is electrically connected,
The adapter, electrically connects with tester and display；
The metal connecting piece, the test point and pcb board of connection PCB A plates, by the signal transduction of test point to the survey
Test instrument；
Tester exports test signal to the pcb board through adapter, through metal connecting piece by test signal transmit to
PCBA board to be tested, PCBA board transmits to the pcb board test signal after treatment through metal connecting piece, then through the adapter
Output to display shows test result.
Technical solution of the present invention is coupled together tester and display PCBA to be tested by setting pcb board,
Wherein, tester and display are electrically connected with pcb board, are entered using metal connecting piece between pcb board and PCBA board to be tested
Row connection, tester causes, when being tested, without carrying out artificial wiring again, to improve testing efficiency, reduce due to
The influence that human error is come to calibration tape, improves testing efficiency, while causing that the cost for making tool is also reduced using pcb board
, whole testing cost is greatly reduced.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the connection diagram of prior art PCBA board test system；
Fig. 2 is the connection diagram of the embodiment of PCBA board test system one of the present invention；
Fig. 3 is the structural representation of the embodiment of pcb board one in Fig. 2；
Fig. 4 is the structural representation of the embodiment of PCBA board test device one of the present invention；
Fig. 5 is the structural representation of the embodiment of metal connecting piece one in Fig. 4；
Fig. 6 is the structural relation schematic diagram of PCBA board test device of the present invention and pneumatic structure part.
Drawing reference numeral explanation：
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality indicate (such as up, down, left, right, before and after ...),
Then directionality indicate to be only used for explain relative position relation between each part under a certain particular pose (as shown in drawings),
Motion conditions etc., if the particular pose changes, directionality indicates also correspondingly to change therewith.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, being somebody's turn to do " first ", " second " etc.
Description be only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate indicated skill
The quantity of art feature.Thus, " first " is defined, at least one spy can be expressed or be implicitly included to the feature of " second "
Levy.In addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, when the combination appearance of technical scheme is conflicting or cannot realize it will be understood that the knot of this technical scheme
Conjunction does not exist, not within the protection domain of application claims yet.
The present invention proposes a kind of PCBA board test device.
In embodiments of the present invention, as shown in Figures 2 and 3, PCBA board test device, for being surveyed to PCBA board
Examination, the PCBA board is provided with test point (not shown), the PCBA test devices include metal connecting piece 10, pcb board 20 and
Adapter 30.
The adapter 30 is electrically connected with the pcb board 20, and via 202, the via are provided with the pcb board 20
202 are connected with the adapter 30 by metal routing 201；The adapter 30, with the tester 70 and display 80
Socket be attached；The metal connecting piece 10, connecting test point and the via 202, by the signal transduction of test point
To the tester 70.
When being tested, tester 70 exports test signal to the pcb board 20 through adapter 30, is connected through metal
Part 10 transmits to PCBA board to be tested test signal, and PCBA board transmits to institute test signal after treatment through metal connecting piece 10
Pcb board 20 is stated, then is exported to display 80 through the adapter 30, to show test result.
The effect of wherein metal connecting piece 10 is by the signal transmission of PCBA to tester 70 and display 80；Pcb board
20 effects are the parts that testing needle is connected with adapter 30, and connecting line, shielding line are used instead of original.Use this pcb board 20
The connection of tool afterwards is inserted PCB aperture and is attached, it is ensured that testing needle is connected with adapter 30 without welding again using testing needle；
The effect of adapter 30 (input) is connected with tester 70, it is ensured that the input of signal；The effect of adapter 30 (output) is
It is connected with display 80, it is ensured that the signal of PCBA is normal in the output image of display 80.
Technical solution of the present invention is by using to be tested by tester 70 and display 80 by setting pcb board 20
PCBA is coupled together, wherein, electrically connected between tester 70 and display 80 and pcb board 20, pcb board 20 with it is to be tested
It is attached using metal connecting piece 10 between PCBA board, tester 70 is caused when being tested, artificial without carrying out again
Wiring, improves testing efficiency, reduces because human error brings the influence to testing, and testing efficiency is improve, while adopting
Cause that the cost for making tool is also reduced with pcb board 20, whole testing cost is greatly reduced.
Further, the adapter 30 is welded in the pcb board 20.
Further, the pcb board 20 is using the pcb board 20 with the PCBA same size sizes to be tested, the PCB
Plate is designed to double-layer PCB board so that metal connecting piece can be fully contacted with the via of pcb board, and on PCBA test point position
Put identical with the position of via 202 on the pcb board 20.In the present embodiment, the metal connecting piece 10 is test probe.
It should be noted that PCB circuit diagrams are converted into required file format, by test point (or pad) coordinate letter
Breath retains, and other circuit diagram information are removed.Ensure that the position of via 202 on pcb board 20 is identical with test point position in PCBA board.
With PCB drawing softwares, test point position is connected with adapter 30, and (input signal connects tester 70, output signal connection
Display 80), it is attached by PCB circuit Copper Foil methods, the test point of former PCB circuit diagrams makes PCB vias 202, mistake into
The size of hole 202 is identical with test gauge size, it is ensured that testing needle may pass through pcb board 20.
In the present embodiment, the test probe includes supporting part 101 and test department 102, and the test department 102 is tapered,
One end of the supporting part 101 is connected with the cone bottom of the test department 102.
Further, the PCBA board test device also includes jig structure part 40, and the jig structure part 40 is used for solid
The fixed pcb board 20 and PCBA board to be tested so that the via 202 of pcb board 20 and the test point pair of PCBA board to be tested
Should.
In the present embodiment, it is described that the jig structure part 40 includes that supporting table 401, supporting plate 402 and multiple one end are fixed on
The fixed column 403 of supporting table 401；The pcb board 20 located at the supporting table 401 between the supporting plate 402, the supporting plate
402 and the pcb board 20 on offer location hole respectively, the other end of the fixed column 403 is sheathed on the supporting table 401
In the location hole of the supporting plate 402.
In the present embodiment, the PCBA board test device includes the first input output adapter 302 of adapter 301, first
And second output adapter 303；The first input adapter 301 is connected with tester 70, with input test signal；It is described
The first output output adapter 303 of adapter 302 and second is connected with the display 80, to output test result.
In the present embodiment, the PCBA board test device also includes pneumatic structure part 50, and the neighbour of pneumatic structure part 50 sets
In the jig structure part 40；The pneumatic structure part 50 includes cylinder 501, installing plate 502, pressing plate 503 and mounting bracket
504；The lower surface vertical direction of the pressing plate 503 is provided with thimble 505；
The pressing plate 503 is arranged at the mounting bracket 504, and the cylinder 501 is arranged at the installing plate 502, described
Pressing plate 503 is connected with the cylinder 501；
When being tested, the cylinder 501 drives the pressing plate 503 to decline, and drives the thimble 505 to abut to be tested
PCBA board.
When testing TV SKD PCBA and testing, it is necessary to the image output of each product and correlate values data (voltage,
Electric current) detected, the method taken is exactly that PCBA board to be tested exports, it is necessary to be connected testing needle with tool key signal
Instrument and display 80 are connected to, detect whether its image is normal, that is, simulation finished product carries out the detection of image.
The workflow of tool is as follows：
The first step：The figure of Design PCB plate 20, for making pcb board 20, and is welded the first output adapter 302 and second
Output adapter 303, the first input adapter 301 is connected with pcb board 20.
Second step：Make jig structure part 40, it is ensured that the PCBA stabilizations of test are placed on supporting plate 402, it is ensured that stabilization.
3rd step：Test probe is installed, pcb board 20 is placed in the supporting table 401 of jig structure part 40, and will test
Probe is inserted in the via 202 of pcb board 20 respectively, completes the connection of the circuit and tool between.
4th step：Ready-made jig structure part 40 is arranged on pneumatic structure part 50, by the switching of jig structure part 40
Seat 30 connects instrument and display 80 respectively, completes the making and assembling of whole frock.
Technical solution of the present invention can realize following Advantageous Effects：
1st, by designing the pcb board 20 used in tool, each is tested the present invention to reach tool and PCBA board to be tested
The connection of signal, cancels original connecting line, shielding line, and jig structure is made instead of human weld's wire rod using pcb board 20
Part 40.
2nd, technical solution of the present invention is molded Copper Foil and replaces wire rod using pcb board 20, it is to avoid the unstability of human weld,
Improve the reliability of tool；
3rd, technical solution of the present invention replaces the existing material of welding using disposal molding pcb board 20, and the making of tool eliminates people
Work welding process and wire rod, reduce manufacture and the maintenance cost of tool.
Based on above-mentioned PCBA test devices, the present invention also proposes a kind of test system, and the test system includes tester
Device 70, display 80 and PCBA board test device as described above；The tester 70 and display 80 all with the PCBA
Board test device is electrically connected；The PCBA board test device includes metal connecting piece 10, pcb board 20 and adapter 30；Described turn
Joint chair 30 is electrically connected with the pcb board 20, and via 202, the via 202 and the adapter are provided with the pcb board 20
30 electrical connections；
The adapter 30, the socket with the tester 70 and display 80 is attached；
The metal connecting piece 10, connecting test point and the via 202, by the signal transduction of test point to the survey
Test instrument 70；
When being tested, tester 70 exports test signal to the pcb board 20 through adapter 30, is connected through metal
Part 10 transmits to PCBA board to be tested test signal, and PCBA board transmits to institute test signal after treatment through metal connecting piece 10
Pcb board 20 is stated, then is exported to display 80 through the adapter 30, to show test result.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in scope of patent protection of the invention in other related technical fields.
Claims (10)
1. a kind of PCBA board test device, the PCBA board is provided with test point, it is characterised in that the PCBA board test device bag
Include metal connecting piece, pcb board and adapter；The adapter is electrically connected with the pcb board,
The adapter, electrically connects with tester and display；
The metal connecting piece, the test point and pcb board of connection PCB A plates, by the signal transduction of test point to tester；
Tester exports test signal to the pcb board through adapter, transmits to be measured test signal through metal connecting piece
Examination PCBA board, PCBA board transmits to the pcb board test signal after treatment through metal connecting piece, then is exported through the adapter
Test result is shown to display.
2. PCBA board test device as claimed in claim 1, it is characterised in that the pcb board is provided with via, the via
It is connected by metal routing with the adapter.
3. PCBA board test device as claimed in claim 1, it is characterised in that the pcb board is using to be tested with described
The pcb board of PCBA same size sizes, the pcb board is double-layer PCB board, on the position of the upper test points of PCBA and the pcb board
Cross hole site corresponding.
4. PCBA board test device as claimed in claim 1, it is characterised in that the metal connecting piece is test probe.
5. PCBA board test device as claimed in claim 4, it is characterised in that the metal connecting piece includes the branch being connected
Support part and test department, the test department are tapered.
6. the PCBA board test device as described in claim 1-5 any one, it is characterised in that the PCBA board test device
Also include jig structure part, the jig structure part fixes the pcb board and PCBA board to be tested so that the via of pcb board
Test point with PCBA board to be tested is corresponding.
7. PCBA board test device as claimed in claim 6, it is characterised in that the jig structure part includes supporting table, support
The fixed column of the supporting table is fixed in plate and multiple one end；The pcb board located at the supporting table between the supporting plate,
Location hole is offered on the supporting plate and the pcb board respectively, the other end of the fixed column passes through the positioning of the supporting table
Hole and the location hole of supporting plate.
8. PCBA board test device as claimed in claim 1, it is characterised in that the adapter includes the first input switching
Seat, the first output adapter and the second output adapter；The first input adapter is connected with tester, with input test
Signal；The first output adapter and the second output adapter are connected with the display, to output test result.
9. PCBA board test device as claimed in claim 2, it is characterised in that the PCBA board test device also includes pneumatic
Structural member, the pneumatic structure part is located at the top of the jig structure part；The pneumatic structure part include cylinder, installing plate,
Pressing plate and mounting bracket；The lower surface of the pressing plate is provided with thimble；
The pressing plate is arranged at the mounting bracket, and the cylinder is arranged at the installing plate, and the pressing plate connects with the cylinder
Connect；
When being tested, pressing plate described in the air cylinder driven declines, and drives the thimble to abut PCBA board to be tested.
10. a kind of test system, it is characterised in that the test system includes tester, display and such as claim 1-9
PCBA board test device described in any one；The tester and display are all electrically connected with the PCBA board test device
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048474.7A CN106841986A (en) | 2017-01-22 | 2017-01-22 | PCBA board test device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710048474.7A CN106841986A (en) | 2017-01-22 | 2017-01-22 | PCBA board test device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106841986A true CN106841986A (en) | 2017-06-13 |
Family
ID=59120564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710048474.7A Pending CN106841986A (en) | 2017-01-22 | 2017-01-22 | PCBA board test device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106841986A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814023A (en) * | 2019-01-27 | 2019-05-28 | 惠州三华工业有限公司 | Power supply board test device |
| CN110658442A (en) * | 2019-10-15 | 2020-01-07 | 北京智联友道科技有限公司 | Structural member and circuit board for circuit test and circuit board test method |
| CN110658396A (en) * | 2019-08-31 | 2020-01-07 | 苏州浪潮智能科技有限公司 | Testing method and system for semi-finished heart rate component |
| CN110672952A (en) * | 2019-10-11 | 2020-01-10 | 深圳创维－Rgb电子有限公司 | Testing device |
| CN111060806A (en) * | 2019-12-18 | 2020-04-24 | 合肥宇隆光电科技有限公司 | Control panel testing device and testing system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202230163U (en) * | 2011-10-11 | 2012-05-23 | 杭州光韵达光电科技有限公司 | PCB detection device |
| CN202939384U (en) * | 2012-11-22 | 2013-05-15 | 深圳市视景达科技有限公司 | PCBA (printed circuit board assembly) board detection device for liquid crystal display screen products |
| CN103630828A (en) * | 2013-12-07 | 2014-03-12 | 成都利仁电气有限责任公司 | Circuit board tester |
| CN203490340U (en) * | 2013-08-29 | 2014-03-19 | 天津市科易电子科技有限公司 | PCBA (printed circuit board assembly) test bench |
| CN204166012U (en) * | 2014-10-20 | 2015-02-18 | 深圳市海和电子有限公司 | A kind of PCBA board multifunctional efficient measurement jig |
| CN205507023U (en) * | 2016-02-29 | 2016-08-24 | 广德三生科技有限公司 | PCB board automatic checkout device |
-
2017
- 2017-01-22 CN CN201710048474.7A patent/CN106841986A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202230163U (en) * | 2011-10-11 | 2012-05-23 | 杭州光韵达光电科技有限公司 | PCB detection device |
| CN202939384U (en) * | 2012-11-22 | 2013-05-15 | 深圳市视景达科技有限公司 | PCBA (printed circuit board assembly) board detection device for liquid crystal display screen products |
| CN203490340U (en) * | 2013-08-29 | 2014-03-19 | 天津市科易电子科技有限公司 | PCBA (printed circuit board assembly) test bench |
| CN103630828A (en) * | 2013-12-07 | 2014-03-12 | 成都利仁电气有限责任公司 | Circuit board tester |
| CN204166012U (en) * | 2014-10-20 | 2015-02-18 | 深圳市海和电子有限公司 | A kind of PCBA board multifunctional efficient measurement jig |
| CN205507023U (en) * | 2016-02-29 | 2016-08-24 | 广德三生科技有限公司 | PCB board automatic checkout device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814023A (en) * | 2019-01-27 | 2019-05-28 | 惠州三华工业有限公司 | Power supply board test device |
| CN110658396A (en) * | 2019-08-31 | 2020-01-07 | 苏州浪潮智能科技有限公司 | Testing method and system for semi-finished heart rate component |
| CN110672952A (en) * | 2019-10-11 | 2020-01-10 | 深圳创维－Rgb电子有限公司 | Testing device |
| CN110658442A (en) * | 2019-10-15 | 2020-01-07 | 北京智联友道科技有限公司 | Structural member and circuit board for circuit test and circuit board test method |
| CN111060806A (en) * | 2019-12-18 | 2020-04-24 | 合肥宇隆光电科技有限公司 | Control panel testing device and testing system |
| CN111060806B (en) * | 2019-12-18 | 2021-09-24 | 合肥宇隆光电科技有限公司 | Control panel testing device and testing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106841986A (en) | PCBA board test device and system | |
| CN100523844C (en) | Methods and apparatus for unpowered testing of circuit devices | |
| CN110446932A (en) | The hardware testing of robot assisted | |
| CN110045208A (en) | It is a kind of for quickly detecting the fexible unit and method of electric connector | |
| CN101231322B (en) | Test connection method for integrated circuit open circuit/ short-circuit | |
| CN108169564A (en) | A kind of Beam Detector and its detection method | |
| CN102967845B (en) | Method and device for testing electric parameters of electric energy measuring module | |
| CN103760388A (en) | Four-wire test fixture and test method thereof | |
| US4290015A (en) | Electrical validator for a printed circuit board test fixture and a method of validation thereof | |
| CN104793081B (en) | USB interface detection means and method | |
| US20200088765A1 (en) | Testing apparatus having a configurable probe fixture | |
| CN209417225U (en) | PCBA board test fixture | |
| CN209117732U (en) | A kind of automatically controlled tooling of on-line checking | |
| CN106199383A (en) | A kind of device for fast detecting of automatic detection circuit plate connecting and disconnecting of the circuit | |
| CN205786708U (en) | A kind of PCBA test needle plate | |
| CN102288858A (en) | Detecting device for printed circuit board | |
| CN215525868U (en) | Coaxial SI test structure of cable | |
| CN109283369A (en) | A kind of automatically controlled tooling of on-line checking and preparation method thereof and working method | |
| JP2001330641A (en) | Printed circuit board inspecting method and device therefor | |
| CN107942157A (en) | Passive cross modulation test fixture and device | |
| CN203894282U (en) | Signal switching structure of probe type detection device | |
| CN220064344U (en) | Flat cable detection device | |
| KR100570918B1 (en) | Checking device of vibration detection recorder and sensor cable | |
| CN208420779U (en) | It is a kind of to detect whether flexible circuit board occurs leaking the device of stamp | |
| CN202083762U (en) | Detection device for printed circuit board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
|
| RJ01 | Rejection of invention patent application after publication |