CN203688600U - Test clamp for multipath input/output circuit board - Google Patents

Test clamp for multipath input/output circuit board Download PDF

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Publication number
CN203688600U
CN203688600U CN201420024769.2U CN201420024769U CN203688600U CN 203688600 U CN203688600 U CN 203688600U CN 201420024769 U CN201420024769 U CN 201420024769U CN 203688600 U CN203688600 U CN 203688600U
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CN
China
Prior art keywords
circuit board
interface
test
test fixture
coiling
Prior art date
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Active
Application number
CN201420024769.2U
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Chinese (zh)
Inventor
关济实
齐良才
孔海志
邱建文
杜晓光
刘玉秋
常新彩
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.)
ZHONGKEHUA NUCLEAR POWER TECHNOLOGY INSTITUTE Co Ltd BEIJING BRANCH
China General Nuclear Power Corp
Original Assignee
ZHONGKEHUA NUCLEAR POWER TECHNOLOGY INSTITUTE Co Ltd BEIJING BRANCH
China General Nuclear Power Corp
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Application filed by ZHONGKEHUA NUCLEAR POWER TECHNOLOGY INSTITUTE Co Ltd BEIJING BRANCH, China General Nuclear Power Corp filed Critical ZHONGKEHUA NUCLEAR POWER TECHNOLOGY INSTITUTE Co Ltd BEIJING BRANCH
Priority to CN201420024769.2U priority Critical patent/CN203688600U/en
Application granted granted Critical
Publication of CN203688600U publication Critical patent/CN203688600U/en
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Abstract

The utility model discloses a test clamp for a multipath input/output circuit board. The test clamp comprises an interface, coiling wires, P-pins and contact probes, wherein the contact probes are multiple in number and are respectively connected with the P-pins through the coiling wires in one-to-one correspondence, the P-pins are further connected with the interface through the coiling wire, the contact probes are used for being in contact connection with a circuit board having multiple tested points, and the interface is provided with multiple terminals and is used for connecting external equipment which provides external signal sources for the circuit board and is used for acquiring signals of the circuit board. During use of the test clamp, through connection of the circuit board and the contact probes, electric signals sent by the external equipment are inputted to the circuit board through the clamp; electric signals of the tested points on the circuit board are simultaneously transmitted to the external equipment through the clamp, so multipath input/output tests on the circuit board are realized simultaneously, a problem that a clamp in the prior art can not provide multipath input signals or carry out simultaneous multi-test-point acquisition is solved, the test clamp provided in the utility model has stronger functions and can satisfy higher test demands.

Description

The test fixture of multichannel imput output circuit plate
Technical field
The utility model relates to a kind of circuit board test clamp, especially a kind of test fixture of multichannel imput output circuit plate.
Background technology
At present, when application Agilent on-line testing board and matched clamp thereof are tested circuit board, two input signals be can only provide simultaneously, S-bus and A-bus are respectively, helpless for the circuit board testing of three of needs and above input signal.And, application Agilent on-line testing board and matched clamp thereof are in the time of the signal of each test point of collecting circuit board, dot sequency collection one by one, can not carry out test point collection simultaneously, therefore, need to be for the test of the function of the circuit board of collection signal simultaneously of each test point for some, existing Agilent circuit board test clamp cannot be satisfied the demand.
Utility model content
For the problems referred to above, the utility model provides a kind of test fixture of multichannel imput output circuit plate, described circuit board test clamp can apply multiple signals and multiple measured points on testing circuit board simultaneously, compared with available circuit board test fixture, it has overcome existing test fixture can not provide the deficiency of multichannel input signal, and existing system can not carry out the restriction of multiple test point collections simultaneously, there is stronger function, can meet higher test needs.
The technical scheme that the utility model provides is:
A kind of test fixture of multichannel imput output circuit plate, the structure of this test fixture as shown in Figure 1, comprise interface 2, coiling 8, P-Pin9 and contact probe 10, wherein said contact probe 10 is multiple, 8 connect one to one with multiple P-Pin9 by winding the line respectively, P-Pin9 is again by coiling 8 connecting interfaces 2, and described contact probe 10 is for being connected with circuit board 7 contacts with multiple measured points; It is characterized in that, interface 2 is provided with multiple terminals, outside source is provided and is used for the external unit of Acquisition Circuit partitioned signal for connecting to circuit board.
In multiple terminals of the interface 2 of above-mentioned test fixture, a part of terminal is connected with the external unit of outside source is provided to circuit board by many wires; Another part terminal is connected with the external unit of Acquisition Circuit partitioned signal by many wires.
In an example of the present utility model, the test fixture of described multichannel imput output circuit plate also comprises backboard 1, jig frame 3, needle plate 4, back up pad 5 and vacuum air cushion 6, as shown in Figure 2, P-Pin9 and contact probe 10 all have multiple, all be fixed on needle plate 4, needle plate 4 is fixed in jig frame 3, backboard 1 is screwed the bottom that is arranged on jig frame 3, interface 2 is arranged on a side of jig frame 3, above needle plate 4, be fixed with back up pad 5, for support circuit plate 7, porose in back up pad 5, contact probe 10 penetrates in the hole of back up pad 5, between back up pad 5 and circuit board 7, vacuum air cushion 6 is installed, one end of coiling 8 is together with the terminal soldering of interface 2, the other end is connected with P-Pin9.
In the test fixture of above-mentioned multichannel imput output circuit plate, the size of interface 2 of test fixture and the way of circuit can arrange according to the actual conditions of circuit board 7.In a specific embodiment of the present utility model, circuit board 7 You Wu road signal demands apply test simultaneously, have the collection of ten measuring point signal demands; The interface Wei Shi five road interfaces of described test fixture.When above-mentioned test fixture carries out test job to circuit board 7, first outside multi-channel electric signal sends to the interface 2 on test fixture by the external unit that outside source is provided to circuit board, then multi-channel electric signal is along the coiling 8 on test fixture, be delivered to circuit board 7 by P-Pin9 and contact probe 10, realize thus and provide multichannel input signal to circuit board 7; Meanwhile, first the electric signal of the multiple measured points on circuit board 7 is delivered to P-Pin9 along the contact probe 10 on test fixture, be delivered to again the interface 2 of test fixture by the coiling 8 on test fixture, this electric signal is obtained by the external unit collection of Acquisition Circuit partitioned signal, thus circuit board 7 is carried out to multiple signals and gathers simultaneously.
Compare existing Agilent circuit board test clamp, the beneficial effects of the utility model are,
The test fixture of the multichannel imput output circuit plate that the utility model provides, can apply simultaneously multiple signals and simultaneously the multiple measured points on collecting circuit board test, compared with available circuit board test fixture, it has overcome existing test macro can not provide the deficiency of multiple input electrical signals, and existing system can not carry out the restriction of multiple test point collections simultaneously, there is stronger function, can meet higher test needs, realize the functional test of circuit board complexity.
Accompanying drawing explanation
Fig. 1 is composition structural representation of the present utility model.
Fig. 2 is inner structure schematic diagram of the present utility model.
In Fig. 1~Fig. 2,
1-backboard; 2-interface; 3-jig frame; 4-needle plate; 5-back up pad; 6-vacuum air cushion; 7-circuit board; 8-coiling; 9-P-Pin; 10-contact probe.
Embodiment
Below in conjunction with accompanying drawing, further describe the utility model by embodiment, but limit never in any form scope of the present utility model.
The test fixture of the multichannel imput output circuit plate that the present embodiment provides, the inner structure of this test fixture as shown in Figure 2, comprise interface 2, coiling 8, P-Pin9 and contact probe 10, wherein said contact probe 10 is multiple, 8 connect one to one with multiple P-Pin9 by winding the line respectively, P-Pin9 is again by coiling 8 connecting interfaces 2, and described contact probe 10 is for being connected with circuit board 7 contacts with multiple measured points; It is characterized in that, interface 2 is provided with multiple terminals, outside source is provided and is used for the external unit of Acquisition Circuit partitioned signal for connecting to circuit board.
In the present embodiment, as shown in Figure 1, this test fixture also comprises backboard 1, jig frame 3, needle plate 4, back up pad 5 and vacuum air cushion 6 to the composition structure of above-mentioned test fixture.Wherein, as shown in Figure 2, P-Pin9 and contact probe 10 are all fixed on needle plate 4, needle plate 4 is fixed in jig frame 3, backboard 1 is screwed the bottom that is arranged on jig frame 3, interface 2 is arranged on a side of jig frame 3, above needle plate 4, be fixed with back up pad 5, for support circuit plate 7, porose in back up pad 5, contact probe 10 penetrates in the hole of back up pad 5, between back up pad 5 and circuit board 7, vacuum air cushion 6 is installed, one end of coiling 8 is together with terminal soldering, and the other end is connected with P-Pin9, and P-Pin9 is connected by coiling 8 with contact probe 10.
While utilizing above-mentioned test fixture to carry out the test of multichannel input and output to circuit board 7, the size of interface 2 of test fixture and the way of circuit can arrange according to the actual conditions of circuit board 7.In the present embodiment, circuit board 7 You Wu road signal demands apply test simultaneously, have the collection of ten measuring point signal demands; The interface Wei Shi five road interfaces of described test fixture.When above-mentioned test fixture carries out test job to circuit board 7, first outside multi-channel electric signal sends to the interface 2 on test fixture by the external unit that outside source is provided to circuit board, then multi-channel electric signal is along the coiling 8 on test fixture, be delivered to circuit board 7 by P-Pin9 and contact probe 10, realize thus and provide five road input signals to circuit board 7; Meanwhile, first the electric signal of the multiple measured points on circuit board 7 is delivered to P-Pin9 along the contact probe 10 on test fixture, be delivered to again the interface 2 of test fixture by the coiling 8 on test fixture, this electric signal is obtained by the external unit collection of Acquisition Circuit partitioned signal, realizes thus circuit board 7 is gathered to ten road signals simultaneously.

Claims (3)

1. the test fixture of a multichannel imput output circuit plate, comprise interface (2), coiling (8), P-Pin(9) and contact probe (10), wherein said contact probe (10) is multiple, respectively by coiling (8) and multiple P-Pin(9) connect one to one, P-Pin(9) again by coiling (8) connecting interface (2), and described contact probe (10) is for being connected with circuit board (7) contact with multiple measured points; It is characterized in that, interface (2) is provided with multiple terminals, outside source is provided and is used for the external unit of Acquisition Circuit partitioned signal for connecting to circuit board.
2. the test fixture of multichannel imput output circuit plate as claimed in claim 1, it is characterized in that, described test fixture also comprises backboard (1), jig frame (3), needle plate (4), back up pad (5) and vacuum air cushion (6), described needle plate (4) is fixed in jig frame (3), described P-Pin(9) and contact probe (10) be fixed on needle plate (4), backboard (1) is screwed the bottom that is arranged on jig frame (3), interface (2) is arranged on the side of jig frame (3), the fixed support plate (5) above of needle plate (4), for support circuit plate (7), back up pad (5) is provided with hole, contact probe (10) penetrates in the hole of back up pad (5), between back up pad (5) and circuit board (7), vacuum air cushion (6) is installed, together with the coiling one end of (8) and the terminal soldering of interface (2), the other end and P-Pin(9) be connected.
3. the test fixture of multichannel imput output circuit plate as claimed in claim 1, is characterized in that, a part of terminal in multiple terminals of the interface (2) of described test fixture is connected with the external unit of outside source is provided to circuit board by many wires; Another part terminal is connected with the external unit of Acquisition Circuit partitioned signal by many wires.
CN201420024769.2U 2014-01-15 2014-01-15 Test clamp for multipath input/output circuit board Active CN203688600U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420024769.2U CN203688600U (en) 2014-01-15 2014-01-15 Test clamp for multipath input/output circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420024769.2U CN203688600U (en) 2014-01-15 2014-01-15 Test clamp for multipath input/output circuit board

Publications (1)

Publication Number Publication Date
CN203688600U true CN203688600U (en) 2014-07-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420024769.2U Active CN203688600U (en) 2014-01-15 2014-01-15 Test clamp for multipath input/output circuit board

Country Status (1)

Country Link
CN (1) CN203688600U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103792399A (en) * 2014-01-15 2014-05-14 中科华核电技术研究院有限公司北京分公司 Test clamp of multi-channel input-output circuit board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103792399A (en) * 2014-01-15 2014-05-14 中科华核电技术研究院有限公司北京分公司 Test clamp of multi-channel input-output circuit board

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