CN110967623A - ICT (information communication technology) extension fixture for testing number of pins of PCBA (printed circuit board assembly) board and testing method - Google Patents

ICT (information communication technology) extension fixture for testing number of pins of PCBA (printed circuit board assembly) board and testing method Download PDF

Info

Publication number
CN110967623A
CN110967623A CN201911415204.0A CN201911415204A CN110967623A CN 110967623 A CN110967623 A CN 110967623A CN 201911415204 A CN201911415204 A CN 201911415204A CN 110967623 A CN110967623 A CN 110967623A
Authority
CN
China
Prior art keywords
ict
probe
pcba
board
lead
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
Application number
CN201911415204.0A
Other languages
Chinese (zh)
Other versions
CN110967623B (en
Inventor
吴少华
喻明军
胡志光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Mason Test Equipment Co ltd
Original Assignee
Shenzhen Mason Test Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Mason Test Equipment Co ltd filed Critical Shenzhen Mason Test Equipment Co ltd
Priority to CN201911415204.0A priority Critical patent/CN110967623B/en
Publication of CN110967623A publication Critical patent/CN110967623A/en
Application granted granted Critical
Publication of CN110967623B publication Critical patent/CN110967623B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/2806Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
    • G01R31/2808Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards

Abstract

The invention relates to an ICT extension fixture and a test method for testing the number of pins of a PCBA board, which comprises the following steps: the PCBA placing plate, the probe assembly, the interface plate, the interface needle assembly, the first lead, the second lead, the third lead, the clamp shell and the relay; the PCBA placing plate is covered and sealed and installed at the top end of the clamp shell, and the probe assembly is arranged in the PCBA placing plate; the interface board is packaged at the bottom end of the clamp shell, and the interface pins are all arranged in the interface board; the probe assembly includes: the tail end of the first probe is connected with one end of a first lead, and the other end of the first lead is connected with a first interface needle; the tail end of the second probe is connected with one end of a second lead, the other end of the second lead is connected with the relay, one end of a third lead is connected with the relay, and the other end of the third lead is connected with a second interface needle. The invention has the advantages of convenient operation, high working efficiency, simple structure, greatly reduced hardware cost and strong practicability.

Description

ICT (information communication technology) extension fixture for testing number of pins of PCBA (printed circuit board assembly) board and testing method
Technical Field
The utility model discloses automatic test technical field, more specifically say, relate to an ICT extension anchor clamps and test method for testing PCBA board needle point quantity.
Background
An In Circuit Tester (In Circuit Tester) is a common test device for electronic enterprises. The PCBA board produced by an enterprise is detected by matching with the clamp, and various defects caused by defects of devices on the PCBA board, circuits in the PCB and process reasons can be judged. The conventional ICT equipment has fixed testing pin point quantity, and when the pin point quantity required to be tested by the PCBA does not exceed the testing point of the ICT equipment, the clamp can be normally manufactured according to the requirement for testing the PCBA. However, when the number of the pins to be tested on the PCBA board is greater than the number of the test points of the ICT device, the excess part of the pins to be tested cannot be tested, and the following three solutions are generally adopted in the prior art to solve the problem:
the first scheme is as follows: 2, manufacturing 2 clamps, and testing 1 PCBA board by 2 times to meet the requirement that the number of PCBA test points does not exceed the number of measurable needle points of ICT equipment, wherein the method doubles the hardware cost, needs a large amount of manpower and material resources, is long in time consumption and low in test efficiency;
the second scheme is as follows: the ICT equipment with more test points is used, so that the problem is solved, but the ICT equipment with more test points is very expensive and high in cost;
in the third scheme: the test content is reduced, some test points are cancelled, the number of the pins of the fixture is less than or equal to the maximum test point number of the ICT equipment, the hardware cost is not additionally increased, but the situation that a certain probability of defective products cannot be detected and the product quality is influenced because part of the test pins are cancelled and the test content of the PCBA is reduced is avoided.
In view of the above, the above drawbacks of the prior art need to be solved urgently.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, hardware cost is high, testing efficiency is low, and a large amount of manpower and material resources are consumed, and in the prior art, defective products cannot be detected due to testing missing.
The technical scheme adopted by the invention for solving the technical problems is as follows: the ICT extension fixture and the test method for testing the number of the pins of the PCBA board are constructed, the function that one test point on the ICT equipment can detect two corresponding pins to be tested on the PCBA board is realized by adding one relay between a fixture probe and a connecting wire of an interface pin, the condition that the number of the test pins of the PCBA board exceeds the number of the test points of the ICT equipment can be well met when the PCBA board is tested, the operation is convenient, the working efficiency is high, test missing or mistest cannot occur, the hardware cost is greatly reduced due to the simple structure, and the practicability is strong.
The ICT extension fixture and the test method for testing the number of the pins of the PCBA board comprise the following steps: the PCBA placing plate, the probe assembly, the interface plate, the interface needle assembly, the first lead, the second lead, the third lead, the clamp shell and the relay;
the PCBA placing plate is covered and sealed and installed at the top end of the clamp shell, and the probe assembly is arranged in the PCBA placing plate;
interface board encapsulates in anchor clamps shell bottom, and the interface needle includes: the interface board comprises a first interface needle and a second interface needle, wherein the first interface needle and the second interface needle are both arranged in the interface board;
the probe assembly includes: the tail end of the first probe is connected with one end of a first lead, and the other end of the first lead is connected with a first interface needle;
the tail end of the second probe is connected with one end of a second lead, the other end of the second lead is connected with the relay, one end of a third lead is connected with the relay, and the other end of the third lead is connected with a second interface needle.
In an ICT extension fixture for testing the number of pins of a PCBA board of the present invention, a PCBA placement board comprises: the probe mounting plate comprises a support plate and a probe mounting plate;
the support plate sets up the top of placing the board at PCBA, and the bottom of board is placed at PCBA to the probe mounting panel setting.
In the ICT extension fixture for testing the number of the needle points of the PCBA board, the first probe and the second probe are both arranged in the probe installation board.
In the ICT extension fixture for testing the number of the needle points of the PCBA board, the probe mounting plate is provided with a plurality of probe mounting holes, and the number of the probe mounting holes is the sum of the number of the first probes and the number of the second probes.
In an ICT extension fixture for testing the number of pin points of a PCBA board of the present invention, a relay includes: a public end, a normally closed end, a normally open end and a power end;
the public end is connected with one end of a third conducting wire, and the other end of the third conducting wire is connected with a second interface needle;
the normally closed end is connected with one end of a second lead, and the other end of the second lead is connected with a second probe.
In the ICT extension fixture for testing the number of the pins of the PCBA board, the power supply end is connected with one end of the fourth wire, and the other end of the fourth wire is connected with the power supply terminal of the ICT equipment.
In the ICT extension fixture for testing the number of the needle points of the PCBA board, the normally open end is connected with another second lead, and the other end of the second lead is connected with another second probe.
The ICT extension fixture testing method for testing the number of the pins of the PCBA board comprises the following steps:
s1, subtracting the number of ICT equipment test points from the number of the needle points on the PCBA board to be tested to obtain the number of relays to be configured, and installing the relays with the corresponding number in the clamp;
s2, placing the PCBA board to be tested on the carrier plate for the first test, wherein the relay is not electrified, and the common end of the relay is conducted with the normally closed end, so that the test point of the ICT equipment is conducted with a second probe connected to the normally closed end, namely the second probe is conducted with the ICT equipment corresponding to the to-be-tested probe on the PCBA board to be tested;
and S3, after the first test is completed, the relay is electrified through the ICT equipment, the relay starts to work, the common end of the relay is disconnected from the normally closed end and is conducted with the normally open end, at the moment, the test point of the ICT equipment is conducted with the second probe connected to the normally open end, namely, the to-be-tested probe point on the PCBA board to be tested corresponding to the second probe connected to the normally open end is conducted with the ICT equipment, and the test is completed.
In the ICT extension fixture testing method for testing the number of the pin points of the PCBA board, the purpose that the ICT equipment is communicated with the pin points to be detected is achieved by switching the power-on and the power-off of the relay at any time through the control terminal.
In the ICT extension fixture testing method for testing the number of the pin points of the PCBA board, the number of the relays depends on the number of the pin points on the PCBA board to be tested exceeding the number of the test points on the ICT equipment, and if the number of the pin points on the PCBA board to be tested is equal to the number of the test points on the ICT equipment, the relays can be selected not to be installed.
According to the ICT extension fixture and the ICT extension method for testing the number of the pins of the PCBA board, the relay is additionally arranged between the fixture probe and the connecting wire of the interface pin, so that the function that one test point on the ICT equipment can detect two corresponding pins to be tested on the PCBA board can be realized, when the number of the pins of the PCBA board is tested, the condition that the number of the test pins of the PCBA board exceeds the number of the test points of the ICT equipment can be well met, the operation is convenient, the working efficiency is high, the test omission or the mistest cannot be caused, the hardware cost is greatly reduced due to the simple structure, and the practicability is high.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a cross-sectional view of an ICT expansion fixture for testing the number of pin points on a PCBA board;
FIG. 2 is a perspective view of an ICT extension fixture for testing the number of pin points on a PCBA board;
FIG. 3 is a circuit diagram of a relay power-off state of an ICT extension fixture for testing the number of pins of a PCBA board;
FIG. 4 is a diagram of a relay power-on state circuit of an ICT extension fixture for testing the number of pin points on a PCBA board;
FIG. 5 is a functional block diagram of an ICT extended fixture test method for testing the number of pins on a PCBA board.
In the figure, 1, a PCBA board to be tested; 2. PCBA placing plate; 21. a carrier plate; 22. a probe mounting plate; 3. a probe assembly; 31. a first probe; 32. a second probe; 4. an interface board; 5. an interface needle assembly; 51. a first interface pin; 52. a second interface pin; 6. a first conductive line; 7. a second conductive line; 8. a third conductive line; 9. a clamp housing; 10. a relay; 11. a power supply terminal; 12. a fourth conductive line; 13. ICT equipment power supply terminals; 14. a normally closed end; 15. a normally open end; 16. a common terminal; 17. a power source.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 5, an ICT extension fixture and a testing method for testing the number of pins of a PCBA board includes: the PCBA placing board 2, the probe assembly 3, the interface board 4, the interface needle assembly 5, the first lead 6, the second lead 7, the third lead 8, the clamp shell 9 and the relay 10;
the PCBA placing plate 2 is mounted at the top end of the clamp shell 9 in a covering mode, and the probe assembly 3 is arranged in the PCBA placing plate 2;
interface board 4 encapsulates in 9 bottom ends of anchor clamps shell, and the interface needle includes: a first interface pin 51 and a second interface pin 52, both the first interface pin 51 and the second interface pin 52 being disposed in the interface board 4;
the probe assembly 3 includes: a first probe 31 and a second probe 32, wherein the tail end of the first probe 31 is connected with one end of a first lead 6, and the other end of the first lead 6 is connected with a first interface needle 51;
the tail end of the second probe 32 is connected with one end of a second lead 7, the other end of the second lead 7 is connected with the relay 10, one end of a third lead 8 is connected with the relay 10, and the other end of the third lead 8 is connected with the second interface pin 52.
Further, the PCBA placement board 2 includes: a carrier plate 21 and a probe mounting plate 22;
the carrier plate 21 sets up on PCBA places the top of board 2, and probe mounting panel 22 sets up on PCBA places the bottom of board 2.
Further, the first probe 31 and the second probe 32 are both mounted in the probe mounting plate 22.
Further, the probe mounting plate 22 is provided with a plurality of probe mounting holes, and the number of the probe mounting holes is the sum of the number of the first probes 31 and the number of the second probes 32.
Further, the relay 10 includes: a common terminal 16, a normally closed terminal 14, a normally open terminal 15, and a power source terminal 11;
the common terminal 16 is connected with one end of a third conducting wire 8, and the other end of the third conducting wire 8 is connected with a second interface pin 52;
the normally closed terminal 14 is connected to one end of the second wire 7, and the other end of the second wire 7 is connected to the second probe 32.
Further, a power source terminal 11 is connected to one end of a fourth wire 12, and the other end of the fourth wire 12 is connected to an ICT equipment power terminal 13.
Further, the ICT equipment power terminal 13 is configured to interface with the ICT equipment power supply 17, and the power supply 17 supplies current and voltage to the relay 10 through the ICT equipment power terminal 13.
Further, it is characterized in that the normally open end 15 is connected to another second wire 7, and the other end of the second wire 7 is connected to another second probe 32.
An ICT extension fixture test method for testing the number of pins of a PCBA board comprises the following steps:
s1, subtracting the number of ICT equipment test points from the number of the needle points on the PCBA board 1 to be tested to obtain the number of the relays 10 to be configured, and installing the relays 10 with the corresponding number in the fixture;
s2, placing the PCBA board 1 to be tested on the carrier plate 21 for the first test, and not electrifying the relay 10, wherein the common end 16 of the relay 10 is conducted with the normally closed end 14, so that the test point of the ICT equipment is conducted with the second probe 32 connected to the normally closed end 14, that is, the second probe 32 is conducted with the ICT equipment corresponding to the pin point to be tested on the PCBA board 1 to be tested;
after the first test of S3 is completed, the relay 10 is powered on through the ICT device, the relay 10 starts to work, the common end 16 of the relay 10 is disconnected from the normally closed end 14 and is conducted with the normally open end 15, at this time, the test point of the ICT device is conducted with the second probe 32 connected to the normally open end 15, that is, the probe point to be measured on the PCBA board 1 to be measured, which corresponds to the second probe 32 connected to the normally open end 15, is conducted with the ICT device, and the test is completed.
Further, the relay 10 is switched to be powered on and off at any time through the control terminal, so that the ICT equipment is communicated with the needle points to be detected.
Further, the number of the relays 10 depends on the number of the pins on the PCBA board 1 to be tested exceeding the test points on the ICT equipment, and if the number of the pins on the PCBA board 1 to be tested is equal to the number of the test points on the ICT equipment, the relays 10 may be selected not to be installed.
Furthermore, a device is added between connecting lines of the fixture probes and the interface pins, so that 1 test point on the ICT equipment corresponds to 2 probes on the fixture and 2 test points on the PCBA board.
Further, when the relay 10 is not energized, the common terminal 16 of the relay 10 is conducted with the normally closed terminal 14; the test point on the ICT equipment is conducted with the probe on the clamp, namely the test point on the PCBA board corresponding to the second probe 32 is conducted with the ICT equipment;
after the first test is finished, the relay 10 is powered on through a power supply 17 of the ICT equipment, the relay 10 works, and the common end 16 of the relay 10 is disconnected with the normally closed end 14 and is connected with the normally open end 15; at this time, another set of the second probes 32 is conducted with the ICT device corresponding to the test point on the PCBA to be tested.
Furthermore, when the clamp is manufactured, a corresponding number of relays 10 are arranged in the clamp according to the number exceeding the ICT equipment test points;
when the PCBA is tested, the relay 10 is not electrified to work, and the ICT equipment tests the needle point of the normal wiring of the clamp (namely, the first probe 31 corresponds to the needle point to be tested on the PCBA board 1 to be tested) and the needle point part (namely, the second probe 32 connected to the normally closed end 14 corresponds to the needle point to be tested on the PCBA board 1) wired to the normally closed end 14 of the relay 10; then, the relay 10 is powered on to work under the control of an ICT test program, and the ICT equipment tests the pin point part (namely the pin point to be tested on the PCBA board 1 to be tested corresponding to the second probe 32 connected to the normally open end 15) connected to the normally open end 15 of the relay 10.
In addition, the relay 10 can be switched on/off at any time through a test program according to needs, and the purpose that ICT equipment is communicated with needed needle points is achieved.
The invention provides an ICT extension fixture and a test method for testing the number of pins of a PCBA board, which realize the function that one test point on ICT equipment can detect two corresponding pins to be tested on the PCBA board by adding a relay between a fixture probe and a connecting wire of an interface pin, and can well cope with the condition that the number of the test pins of the PCBA board exceeds the number of the test points of the ICT equipment when the number of the pins of the PCBA board is tested.
Although the present invention has been described with reference to the above embodiments, the scope of the present invention is not limited thereto, and modifications, substitutions and the like of the above members are intended to fall within the scope of the claims of the present invention without departing from the spirit of the present invention.

Claims (10)

1. An ICT extension fixture for testing the number of pins on a PCBA board, comprising: the PCBA placing plate, the probe assembly, the interface plate, the interface needle assembly, the first lead, the second lead, the third lead, the clamp shell and the relay;
the PCBA placing board is mounted at the top end of the clamp shell in a covering mode, and the probe assembly is arranged in the PCBA placing board;
the interface board is packaged in the anchor clamps shell bottom, the interface needle includes: the interface board comprises a first interface pin and a second interface pin, wherein the first interface pin and the second interface pin are both arranged in the interface board;
the probe assembly includes: the tail end of the first probe is connected with one end of the first lead, and the other end of the first lead is connected with the first interface needle;
the tail end of the second probe is connected with one end of the second lead, the other end of the second lead is connected with the relay, one end of the third lead is connected with the relay, and the other end of the third lead is connected with the second interface needle.
2. An ICT extension fixture for testing the pin count of a PCBA board as recited in claim 1, wherein the PCBA placement board comprises: the probe mounting plate comprises a support plate and a probe mounting plate;
the support plate sets up PCBA places the top of board, the probe mounting panel sets up PCBA places the bottom of board.
3. An ICT extension fixture for testing the number of pins on a PCBA board according to claim 2, in which both the first probe and the second probe are mounted in the probe mounting plate.
4. An ICT extension fixture for testing the number of pins on a PCBA board as recited in claim 2, wherein the probe mounting plate is provided with a plurality of probe mounting holes, and the number of probe mounting holes is the sum of the number of first probes and the number of second probes.
5. An ICT extension fixture for testing the number of pin points on a PCBA board as recited in claim 1, wherein the relay comprises: a public end, a normally closed end, a normally open end and a power end;
the public end is connected with one end of the third conducting wire, and the other end of the third conducting wire is connected with the second interface pin;
the normally closed end is connected with one end of the second lead, and the other end of the second lead is connected with the second probe.
6. An ICT extension fixture for testing the pin count of a PCBA board as recited in claim 5, wherein the power terminal is connected to one end of a fourth wire, the other end of the fourth wire being connected to an ICT device power terminal.
7. An ICT extension fixture for testing the number of pin points on a PCBA board as recited in claim 5, wherein said normally open end is connected to another of said second wires, the other end of said second wires being connected to another of said second probes.
8. An ICT extension fixture test method for testing the number of pins of a PCBA board is characterized by comprising the following steps:
s1, subtracting the number of ICT equipment test points from the number of the needle points on the PCBA board to be tested to obtain the number of relays to be configured, and installing the relays with the corresponding number in the clamp;
s2, placing the PCBA board to be tested on the carrier board for the first test, wherein the relay is not electrified, and at the moment, the common end of the relay is conducted with the normally closed end, so that the test point of the ICT equipment is conducted with a second probe connected to the normally closed end, namely the second probe is conducted with the ICT equipment corresponding to the probe point to be tested on the PCBA board to be tested;
and S3, after the first test is completed, the relay is electrified through the ICT equipment, the relay starts to work, the common end of the relay is disconnected from the normally closed end and is communicated with the normally open end, at the moment, the test point of the ICT equipment is communicated with the second probe connected to the normally open end, namely, the to-be-tested probe point on the to-be-tested PCBA board corresponding to the second probe connected to the normally open end is communicated with the ICT equipment, and the test is completed.
9. The ICT extension fixture for testing the number of the pins of the PCBA board and the test method according to claim 8, wherein the ICT equipment is communicated with the pins to be tested by switching the relay on and off at any time through a control terminal.
10. The ICT extension fixture and the test method for testing the number of the pins of the PCBA board as recited in claim 8, wherein the number of the relays depends on the number of the pins on the PCBA board to be tested exceeding the number of the test points on the ICT equipment, and the relays are selected not to be installed if the number of the pins on the PCBA board to be tested is equal to the number of the test points on the ICT equipment.
CN201911415204.0A 2019-12-31 2019-12-31 ICT (information communication technology) extension fixture for testing number of pins of PCBA (printed circuit board assembly) board and testing method Active CN110967623B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911415204.0A CN110967623B (en) 2019-12-31 2019-12-31 ICT (information communication technology) extension fixture for testing number of pins of PCBA (printed circuit board assembly) board and testing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911415204.0A CN110967623B (en) 2019-12-31 2019-12-31 ICT (information communication technology) extension fixture for testing number of pins of PCBA (printed circuit board assembly) board and testing method

Publications (2)

Publication Number Publication Date
CN110967623A true CN110967623A (en) 2020-04-07
CN110967623B CN110967623B (en) 2020-10-16

Family

ID=70037654

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911415204.0A Active CN110967623B (en) 2019-12-31 2019-12-31 ICT (information communication technology) extension fixture for testing number of pins of PCBA (printed circuit board assembly) board and testing method

Country Status (1)

Country Link
CN (1) CN110967623B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111458622A (en) * 2020-04-15 2020-07-28 深圳市明信测试设备有限公司 Online ultra-thin camera PCB board retinue FCT test fixture
CN113359005A (en) * 2021-05-18 2021-09-07 深圳市海创嘉科技有限公司 Clamp and method for testing needle points of PCBA (printed circuit board assembly)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08146089A (en) * 1994-11-16 1996-06-07 Hitachi Ltd Test apparatus for electronic circuit board and jig therefor
CN101315411A (en) * 2007-05-31 2008-12-03 安捷伦科技有限公司 System, method and apparatus for testing circuit combination
CN101403765A (en) * 2007-10-03 2009-04-08 安捷伦科技有限公司 Node extender for in-circuit test systems
CN102445614A (en) * 2011-09-30 2012-05-09 苏州工业园区世纪福科技有限公司 Universal signal routing system for electronic product function test
CN203117380U (en) * 2013-03-01 2013-08-07 深圳雷杜生命科学股份有限公司 Testing device of printed circuit board assembly (PCBA) of medical instrument

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08146089A (en) * 1994-11-16 1996-06-07 Hitachi Ltd Test apparatus for electronic circuit board and jig therefor
CN101315411A (en) * 2007-05-31 2008-12-03 安捷伦科技有限公司 System, method and apparatus for testing circuit combination
CN101403765A (en) * 2007-10-03 2009-04-08 安捷伦科技有限公司 Node extender for in-circuit test systems
CN102445614A (en) * 2011-09-30 2012-05-09 苏州工业园区世纪福科技有限公司 Universal signal routing system for electronic product function test
CN203117380U (en) * 2013-03-01 2013-08-07 深圳雷杜生命科学股份有限公司 Testing device of printed circuit board assembly (PCBA) of medical instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111458622A (en) * 2020-04-15 2020-07-28 深圳市明信测试设备有限公司 Online ultra-thin camera PCB board retinue FCT test fixture
CN113359005A (en) * 2021-05-18 2021-09-07 深圳市海创嘉科技有限公司 Clamp and method for testing needle points of PCBA (printed circuit board assembly)

Also Published As

Publication number Publication date
CN110967623B (en) 2020-10-16

Similar Documents

Publication Publication Date Title
CN110967623B (en) ICT (information communication technology) extension fixture for testing number of pins of PCBA (printed circuit board assembly) board and testing method
CN101231322B (en) Test connection method for integrated circuit open circuit/ short-circuit
CN106771987A (en) A kind of IC chip ageing tester and method of testing based on mother baby plate
CN101769986A (en) Test device and test method thereof
CN206546416U (en) A kind of IC chip ageing tester based on mother baby plate
CN105738857A (en) Electric energy meter and acquisition terminal integrated testing device
CN108469583A (en) A kind of ICT tester
CN210487923U (en) Relay calibration device and system
CN201114649Y (en) Interface for testing mobile phone component and testing device using this interface
CN209280868U (en) A kind of printed circuit board of short-circuit test
CN208421123U (en) A kind of high density electrical connector assembly short-circuit test device
CN216696545U (en) Channel multiplexing module, chip interface board and detection device
CN209640378U (en) The adapter base structure of test fixture
CN217085118U (en) Novel aging board
CN110672998B (en) Conduction and withstand voltage test method and conduction and withstand voltage test assembly of connector
CN216817986U (en) 5k omega non-inductive resistor device for measuring voltage to ground
KR100382248B1 (en) Electrical test system of semiconductor & testing method the same
CN216434274U (en) Testing tool for chip type semiconductor device
CN207965058U (en) A kind of automatic testing equipment of circuit board
CN202794418U (en) Tester of radio frequency line
CN216209775U (en) Printed circuit board power supply short circuit testing device
CN214375150U (en) Detection device based on relay control unit of test machine
JP3071768B2 (en) Relay diagnostic device and diagnostic method
CN216117913U (en) Wire harness test switching system based on analog switch
KR102185209B1 (en) Operation state inspection device of battery controller

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
CB02 Change of applicant information

Address after: 518000 the first floor, second floor, third floor, fourth floor and fifth floor of 16 workshops in antuoshan high tech Industrial Park, Shajing street, Bao'an District, Shenzhen City, Guangdong Province

Applicant after: Shenzhen Mingxin testing equipment Co., Ltd

Address before: Baoan District manhole Street Xinsha road Shenzhen city Guangdong province 518000 security supporting mountain High-tech Industrial Park 16

Applicant before: SHENZHEN MASON TEST EQUIPMENT Co.,Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant