CN103792399A - Test clamp of multi-channel input-output circuit board - Google Patents

Test clamp of multi-channel input-output circuit board Download PDF

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CN103792399A
CN103792399A CN 201410017377 CN201410017377A CN103792399A CN 103792399 A CN103792399 A CN 103792399A CN 201410017377 CN201410017377 CN 201410017377 CN 201410017377 A CN201410017377 A CN 201410017377A CN 103792399 A CN103792399 A CN 103792399A
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circuit board
plurality
interface
test fixture
test
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CN 201410017377
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Chinese (zh)
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关济实
齐良才
孔海志
邱建文
杜晓光
刘玉秋
常新彩
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中科华核电技术研究院有限公司北京分公司
中国广核集团有限公司
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Abstract

The invention discloses a test clamp of a multi-channel input-output circuit board. The test clamp comprises an interface, winding wires, a plurality of P-Pins and a plurality of contact probes. The contact probes are connected with the P-Pins through the winding wires in a one-to-one corresponding mode. The P-Pins are connected with the interface through the winding wires. The contact probes are used for being in contact connection with the circuit board with a plurality of tested points. The interface is provided with a plurality of terminals which are used for being connected with peripheral equipment which provides an external signal source for the circuit board and is used for collecting circuit board signals. When the clamp works, the circuit board is connected with the contact probes, so that electric signals sent by the peripheral equipment are input to the circuit board through the clamp, meanwhile, electric signals on the tested points on the circuit board are transmitted to the peripheral equipment through the clamp, accordingly, testing of multi-channel input and multi-channel output at the same time on the circuit board is achieved, the problem that an existing test clamp cannot provide multi-channel input signals and cannot carry out collecting at a plurality of tested points at the same time is solved, strong functions are achieved, and high test requirements can be met.

Description

多路输入输出电路板的测试夹具 Multiple input output circuit board test fixture

技术领域 FIELD

[0001] 本发明涉及一种电路板测试夹具,尤其是一种多路输入输出电路板的测试夹具。 [0001] The present invention relates to a circuit board test fixture, in particular a multiple input output circuit board test fixture. 背景技术 Background technique

[0002]目前,应用安捷伦在线测试机台及其配套夹具对电路板进行测试时,只能同时提供两个输入信号,分别为S-bus及A-bus,对于需要三个及以上输入信号的电路板测试则无能为力。 [0002] Currently, when applying the Agilent line test equipment and the jig for supporting the test board, while providing only two input signals, respectively, and S-bus A-bus, and the need for three or more input signals circuit board test is powerless. 而且,应用安捷伦在线测试机台及其配套夹具在采集电路板各个测试点的信号时,只能逐个点顺序采集,不能同时进行测试点采集,因此,对于一些需要针对各个测试点同时采集信号的电路板的功能的测试,已有的安捷伦电路板测试夹具无法满足需要。 Furthermore, Agilent application online testing machine and its supporting jig each test point a signal acquisition circuit board, only by one dot sequential acquisition, the acquisition point can not be tested simultaneously, thus, some need to signal acquisition for each test point function test of the circuit board, conventional circuit board test fixture Agilent not meet the need.

发明内容 SUMMARY

[0003] 针对上述问题,本发明提供一种多路输入输出电路板的测试夹具,所述电路板测试夹具能够施加多路信号并且可同时测试电路板上的多个被测点,与现有电路板测试夹具相比,其克服了现有测试夹具不能提供多路输入信号的不足,以及现有系统不能同时进行多个测试点采集的限制,具有更强的功能,能够满足更高的测试需要。 [0003] For the above-described problems, the present invention provides a test fixture a multiple input output circuit board, said circuit board test fixture capable of applying multiple signals and can simultaneously test a plurality of circuit board test points, the conventional compared circuit board test fixture, the test fixture that overcomes the prior does not provide multiple input signals is insufficient, and the existing system can not limit the collected plurality of test points, more functional, to meet the higher test need.

[0004] 本发明提供的技术方案是: [0004] aspect of the present invention is to provide:

[0005] 一种多路输入输出电路板的测试夹具,该测试夹具的结构如图1所示,包括接口 [0005] A multi-channel input and output test fixture board, the structure of the test fixture shown in Figure 1, includes an interface

2、绕线8、P-Pin9和接触探针10,其中所述接触探针10为多个,分别通过绕线8与多个P-Pin9——对应连接,P_Pin9再通过绕线8连接接口2,而所述接触探针10用于与带有多个被测点的电路板7接触连接;其特征在于,接口2设有多个端子,用于连接给电路板提供外部信号源及用来采集电路板信号的外部设备。 2, the winding 8, P-Pin9 and contact probes 10, wherein said plurality of contact probes 10 is respectively connected to a corresponding plurality of P-Pin9-- by a wire 8, P_Pin9 then the interface 8 is connected by a wire 2, while the contact probe into contact with the circuit board 10 having a plurality of measured points 7 is connected; wherein the interface 2 is provided with a plurality of terminals for connection to a circuit board provided with an external signal source and an external device to acquire a signal circuit board.

[0006] 上述测试夹具的接口2的多个端子中,一部分端子通过多条导线与给电路板提供外部信号源的外部设备连接,将外部设备发送的多路电信号经测试夹具的接口2输入到电路板7,从而实现对电路板7提供多路输入信号;同时,另一部分端子通过多条导线与采集电路板信号的外部设备连接,电路板7上的多个被测点的电信号通过所述测试夹具的接触探针10传递到测试夹具的接口2,由外部设备采集获得,从而实现对电路板7进行多路信号同时采集。 [0006] The plurality of terminals of the interface to the test fixture 2, the interface 2 via the input multiplexer electrical test fixture portion of the terminal via a plurality of wires connected to the external device to provide an external signal source to the circuit board, the external device sends 7 to the circuit board, enabling to provide multiple input signals to the circuit board 7; the same time, the other portion of the terminal by an electrical signal on a plurality of measured points of the plurality of wires 7 with an external device connected to the circuit board by the signal acquisition board the test fixture 10 is transmitted to the probe contacting the test fixture interface 2, collected by the external device is obtained, enabling of the circuit board for 7 multiple signals simultaneously acquired.

[0007] 在本发明的一个实例中,所述多路输入输出电路板的测试夹具还包括背板1、夹具框3、针板4、支撑板5和真空气垫6,如图2所示,P-Pin9和接触探针10均有多个,均固定在针板4上,针板4固定在夹具框3中,背板I通过螺丝固定安装在夹具框3的底部,接口2设置在夹具框3的一侧,针板4的上面固定有支撑板5,用于支撑电路板7,支撑板5上有孔,接触探针10穿入支撑板5的孔内,支撑板5和电路板7之间安装真空气垫6,绕线8的一端与接口2的端子焊接在一起,另一端与P_Pin9相连。 [0007] In one example of the present invention, the plurality of input output board test fixture further comprises a back plate 1, a clamp block 3, the needle plate 4, the support plate 5 and the vacuum cushion 6, shown in Figure 2, each P-Pin9 more than 10 and the contact probe are fixed to the needle plate 4, a needle plate 4 is fixed to the jig frame 3 by screws backplane I jig mounted on the bottom frame 3, the interface provided on the jig 2 side of the frame 3, above the needle plate 4 is fixed to a support plate 5 for supporting the circuit board 7, there are holes on the support plate 5, the contact hole 10 penetrates the probe supporting plate 5, the support plate 5 and the circuit board vacuum cushion 76 is mounted between the one end welded together with the connection terminal 8 of the winding 2, and the other end connected to P_Pin9.

[0008] 上述多路输入输出电路板的测试夹具中,测试夹具的接口2的大小和线路的路数可以根据电路板7的实际情况来设置。 [0008] The multiple input output board test fixture, the size of the line interface 2 and the large ones of the test fixture may be set according to the actual situation of the circuit board 7. 在本发明的一个具体实施例中,电路板7有五路信号需要同时施加测试,有十个测点信号需要采集;所述测试夹具的接口为十五路接口。 In a particular embodiment of the present invention, the circuit board 7 needs to be applied with a test of five signals simultaneously, there are ten measuring points to be collected signal; interface to the test fixture fifteen line interface. 上述测试夹具对电路板7进行测试工作时,首先外部多路电信号由给电路板提供外部信号源的外部设备发送到测试夹具上的接口2,然后多路电信号沿测试夹具上的绕线8,通过P-Pin9和接触探针10传递到电路板7,由此实现多路电信号的输入;与此同时,电路板7上的多个被测点的电信号首先沿测试夹具上的接触探针10传递到P-Pin9,再通过测试夹具上的绕线8传递到测试夹具的接口2,该电信号由采集电路板信号的外部设备采集获得,由此实现多路电信号的输出。 When said circuit board test fixture for testing 7, the first external electric signal multiplexed by an external device to provide an external signal source to the interface 2 on the circuit board test fixture, and then wound on the electric signal multiplexed in the test fixture 8, the P-Pin9 and the contact probe 10 is transmitted to the circuit board 7, thereby achieving an electrical signal input multiplexer; at the same time, the electric signal of the plurality of measured points on the circuit board 7 along the first test fixture contacting the probe 10 to the P-Pin9, and then passed to the test fixture interface 2 by a wire 8 on the test fixture, the electrical signal obtained by the external device for collecting a signal of the circuit board, thereby realizing an electric signal output multiplexer .

[0009] 相比现有的安捷伦电路板测试夹具,本发明的有益效果是, [0009] Agilent compared to conventional circuit board test fixture, the beneficial effects of the present invention,

[0010] 本发明提供的多路输入输出电路板的测试夹具,能够同时施加多路信号并且可同时采集电路板上的多个被测点进行测试,与现有电路板测试夹具相比,其克服了现有测试系统不能提供多个输入电信号的不足,以及现有系统不能同时进行多个测试点采集的限制,具有更强的功能,能够满足更高的测试需要,实现电路板复杂的功能测试。 [0010] Multiple test fixture O circuit board provided by the invention, can be applied simultaneously multiplex a plurality of signals and can be collected simultaneously test points on the board for testing, as compared with the conventional circuit board test fixture, which to overcome the existing systems fail to provide a plurality of test input electrical signal is insufficient, and the existing system can not be performed while limiting the collection of a plurality of test points, more functional, it needs to meet higher test, the circuit board to achieve complex function test.

附图说明 BRIEF DESCRIPTION

[0011] 图1是本发明的组成结构示意图。 [0011] FIG. 1 is a schematic diagram illustrating a structure of the present invention.

[0012] 图2是本发明的内部结构示意图。 [0012] FIG. 2 is a schematic view of an internal structure of the present invention.

[0013] 在图1〜图2中, [0013] In FIG 1 ~ 2,

[0014] I一背板;2—接口;3—夹具框;4一针板;5—支撑板;6—真空气垫;7 —电路板;8—绕线;9一P-Pin ; 10—接触探针。 [0014] I a backplane; 2- interfaces; 3- clamp block; 4 a needle plate; 5- supporting plate; 6- vacuum cushion; 7-- board; 8- winding; 9 a P-Pin; 10- contact probes.

具体实施方式 detailed description

[0015] 下面结合附图,通过实施例进一步描述本发明,但不以任何方式限制本发明的范围。 [0015] DRAWINGS further describe the present invention without limiting the scope of the present invention in any manner by the examples.

[0016] 本实施例提供的多路输入输出电路板的测试夹具,该测试夹具的内部结构如图2所示,包括接口2、绕线8、P-Pin9和接触探针10,其中所述接触探针10为多个,分别通过绕线8与多个P-Pin9——对应连接,P_Pin9再通过绕线8连接接口2,而所述接触探针10用于与带有多个被测点的电路板7接触连接;其特征在于,接口2设有多个端子,用于连接给电路板提供外部信号源及用来采集电路板信号的外部设备。 [0016] The present embodiment multiple input output board test fixture, the internal structure of the test fixture shown in Figure 2, comprises an interface 2, the winding 8, P-Pin9 and the contact probe 10 is provided, wherein said a plurality of contact probes 10, are connected to a corresponding plurality of P-Pin9-- by a wire 8, P_Pin9 2 by a wire and then connected to the interface 8, and the contact probes 10 and having a plurality of test the contact point of the circuit board 7 is connected; wherein the interface 2 is provided with a plurality of terminals for connecting an external signal source to provide a circuit board and an external device for collecting a signal circuit board.

[0017] 上述测试夹具的接口2的多个端子中,一部分端子通过多条导线与给电路板提供外部信号源的外部设备连接,将外部设备发送的多路电信号经测试夹具的接口2输入到电路板7,从而实现对电路板7提供多路输入信号;同时,另一部分端子通过多条导线与采集电路板信号的外部设备连接,电路板7上的多个被测点的电信号通过所述测试夹具的接触探针10传递到测试夹具的接口2,由外部设备采集获得,从而实现对电路板7进行多路信号同时采集。 [0017] The plurality of terminals of the interface to the test fixture 2, the interface 2 via the input multiplexer electrical test fixture portion of the terminal via a plurality of wires connected to the external device to provide an external signal source to the circuit board, the external device sends 7 to the circuit board, enabling to provide multiple input signals to the circuit board 7; the same time, the other portion of the terminal by an electrical signal on a plurality of measured points of the plurality of wires 7 with an external device connected to the circuit board by the signal acquisition board the test fixture 10 is transmitted to the probe contacting the test fixture interface 2, collected by the external device is obtained, enabling of the circuit board for 7 multiple signals simultaneously acquired.

[0018] 在本实施例中,上述测试夹具的组成结构如图1所示,该测试夹具还包括背板1、夹具框3、针板4、支撑板5和真空气垫6。 [0018] In the present embodiment, the configuration of the composition of the test fixture shown in Figure 1, the test fixture further comprises a rear plate 1, a clamp block 3, the needle plate 4, the support plate 5 and the vacuum cushion 6. 其中,如图2所示,P-Pin9和接触探针10均固定在针板4上,针板4固定在夹具框3中,背板I通过螺丝固定安装在夹具框3的底部,接口2设置在夹具框3的一侧,针板4的上面固定有支撑板5,用于支撑电路板7,支撑板5上有孔,接触探针10穿入支撑板5的孔内,支撑板5和电路板7之间安装真空气垫6,绕线8的一端与端子焊接在一起,另一端与P_Pin9相连,P-Pin9和接触探针10通过绕线8连接。 Wherein 2, P-Pin9 and contact probes 10 are fixed to the needle plate 4, a needle plate 4 is fixed to the jig frame 3 by screws backplane I jig mounted on the bottom frame 3, the interface 2 provided at one side of the jig frame 3, above the needle plate 4 is fixed to a support plate 5 for supporting the circuit board 7, there are holes on the support plate 5, the contact hole 10 penetrates the probe supporting plate 5, the support plate 5 7 and the circuit board is mounted between the vacuum cushion 6, the terminal end welded to the winding 8, and the other end connected to P_Pin9, P-Pin9 and the contact probe 10 is connected by a wire 8. [0019] 利用上述测试夹具对电路板7进行多路输入输出的测试时,测试夹具的接口2的大小和线路的路数可以根据电路板7的实际情况来设置。 When [0019] 7 of the circuit board for testing multiple input and output using the test fixture, and the size of the large ones of the line interface 2. The test fixture may be set according to the actual situation of the circuit board 7. 在本实施例中,电路板7有五路信号需要同时施加测试,有十个测点信号需要采集;所述测试夹具的接口为十五路接口。 In the present embodiment, the circuit board 7 needs to be applied with a test of five signals simultaneously, there are ten measuring points to be collected signal; interface to the test fixture fifteen line interface. 上述测试夹具对电路板7进行测试工作时,首先外部多路电信号由给电路板提供外部信号源的外部设备发送到测试夹具上的接口2,然后多路电信号沿测试夹具上的绕线8,通过P-Pin9和接触探针10传递到电路板7,由此实现对电路板7提供五路输入信号;与此同时,电路板7上的多个被测点的电信号首先沿测试夹具上的接触探针10传递到P-Pin9,再通过测试夹具上的绕线8传递到测试夹具的接口2,该电信号由采集电路板信号的外部设备采集获得,由此实现对电路板7同时采集十路信号。 When said circuit board test fixture for testing 7, the first external electric signal multiplexed by an external device to provide an external signal source to the interface 2 on the circuit board test fixture, and then wound on the electric signal multiplexed in the test fixture 8, P-Pin9 transmitted through the probe 10 and the contact circuit board 7, thereby enabling to provide an input signal to the circuit board Rd 7; At the same time, a plurality of electrical signals measured points on the circuit board 7 in the first test contacting the probe clip 10 is transmitted to the P-Pin9, and then passed to the interface 2 of the test fixture, the electrical signal obtained by the external device for collecting a signal by a wire circuit board 8 on the test fixture, thereby effecting the circuit board 7 while acquiring ten signals.

Claims (3)

  1. 1.一种多路输入输出电路板的测试夹具,包括接口(2)、绕线(8)、P-Pin (9)和接触探针(10),其中所述接触探针(10)为多个,分别通过绕线(8)与多个P-Pin (9)——对应连接,P-Pin (9)再通过绕线(8)连接接口(2),而所述接触探针(10)用于与带有多个被测点的电路板(7)接触连接;其特征在于,接口(2)设有多个端子,用于连接给电路板提供外部信号源及用来采集电路板信号的外部设备。 A multi-channel input and output test fixture board, comprising an interface (2), the winding (8), P-Pin (9), and contact probes (10), wherein said contact probes (10) is a plurality of, respectively, a plurality of P-Pin (9) by a wire (8) - the counter connector, P-Pin (9) through the winding (8) connected to the interface (2), and said contact probes ( 10) and the circuit board having a plurality of test points (7) connected to the contact; wherein the interface (2) is provided with a plurality of terminals for providing an external signal source to the circuit board and the circuit for acquisition external signal device boards.
  2. 2.如权利要求1所述多路输入输出电路板的测试夹具,其特征是,所述测试夹具还包括背板(I)、夹具框(3)、针板(4)、支撑板(5)和真空气垫(6),所述针板(4)固定在夹具框(3 )中,所述P-Pin (9 )和接触探针(10 )固定在针板(4 )上,背板(I)通过螺丝固定安装在夹具框(3)的底部,接口(2)设置在夹具框(3)的侧面,针板(4)的上面固定支撑板(5),用于支撑电路板(7 ),支撑板(5 )上设有孔,接触探针(10 )穿入支撑板(5 )的孔内,支撑板(5 )和电路板(7)之间安装真空气垫(6),绕线(8)的一端与接口(2)的端子焊接在一起,另一端与P-Pin (9)相连。 2. The claim 1 of the input multiplexer output circuit board test fixture, wherein said test fixture further comprises a back plate (the I), the clamp block (3), the needle plate (4), a support plate (5 ) and a vacuum air cushion (6), said needle plate (4) fixed to the jig frame (3), the P-pin (9) and a contact probe (10) is fixed to the needle plate (4), the back plate the base (I) by a screw clamp fixedly mounted in frame (3), the interface (2) provided on the clamp block (3) of the side surface, the needle plate (4) is fixed above the supporting plate (5), for supporting a circuit board ( 7), the support plate is provided with holes (5), mounting the vacuum cushion (6) between the contact probe (10) penetrates the supporting plate (5) of the hole, the support plate (5) and the circuit board (7), winding (8) one end of the interface (2) is welded to the terminal, (9) the other end connected P-Pin.
  3. 3.如权利要求1所述多路输入输出电路板的测试夹具,其特征是,所述测试夹具的接口(2)的多个端子中的一部分端子通过多条导线与给电路板提供外部信号源的外部设备连接,将外部设备发送的多路电信号经测试夹具的接口(2)输入到电路板(7),从而实现对电路板(7)提供多路输入信号;同时,另一部分端子通过多条导线与采集电路板信号的外部设备连接,电路板(7)上的多个被测点的电信号通过所述测试夹具的接触探针(10)传递到测试夹具的接口(2),由外部设备采集获得,从而实现对电路板(7)进行多路信号同时采集。 3. The test fixture a plurality of said input output board as claimed in claim, characterized in that a plurality of terminals of the interface to the test fixture (2) in the portion of the terminal provided by an external signal to a plurality of wires and the circuit board an external source device is connected to the test fixture multiplexed electrical signal transmitted from an external device interface (2) input to the circuit board (7), enabling to provide multiple input signals to the circuit board (7); the same time, the other portion of the terminal transferred to the test fixture via a plurality of external devices, the plurality of circuit board test points on the electrical signal (7) and the lead signal acquisition circuit board by contacting a probe of the test fixture (10) an interface (2) , acquired by the external device is obtained, thereby realizing a circuit board (7) for simultaneous acquisition of multiple signals.
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CN203688600U (en) * 2014-01-15 2014-07-02 中科华核电技术研究院有限公司北京分公司 Test clamp for multipath input/output circuit board

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