CN202285039U - Withstand voltage test device for printed circuit board - Google Patents
Withstand voltage test device for printed circuit board Download PDFInfo
- Publication number
- CN202285039U CN202285039U CN2011204314067U CN201120431406U CN202285039U CN 202285039 U CN202285039 U CN 202285039U CN 2011204314067 U CN2011204314067 U CN 2011204314067U CN 201120431406 U CN201120431406 U CN 201120431406U CN 202285039 U CN202285039 U CN 202285039U
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- printed circuit
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- circuit board
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Abstract
The utility model provides a withstand voltage test device for a printed circuit board. All circuit patterns on the printed circuit board form at least one printed circuit board network. The printed circuit board network comprises at least two sub-networks. The test device is used for testing voltage withstanding capability between the sub-networks in a group, and the voltage withstanding capability between the sub-networks in the group is voltage withstanding capability between two sub-networks in the same printed circuit board network. The test device comprises a withstand voltage tester and a test unit, wherein the test unit is electrically connected with the positive test end and negative test end of the withstand voltage tester, and simultaneously performs test connection on the voltage withstanding capability between at least two groups of sub-networks when performing a withstand voltage test. The withstand voltage test device for the printed circuit board has the advantages of high test efficiency, safety, reliability and the like, and is particularly applied to the withstand voltage test in a large batch of printed circuit boards of the same model.
Description
Technical field
The utility model relates to printed circuit board (PCB) (PCB, Printed Circuit Board) technical field, is specifically related to a kind of printed circuit board (PCB) voltage-resistant test device.
Background technology
Based on requirement, need carry out the proof voltage test to it, to assess this printed circuit board (PCB) to high-tension tolerance to the printed circuit board (PCB) product reliability.One printed circuit board comprises dielectric layer and line pattern; And all line patterns on the printed circuit board (PCB) constitute at least one printed circuit board (PCB) network; Wherein, one group of line pattern that can form electrical communication constitutes a child network, and said printed circuit board (PCB) network comprises the experimental process network; Between each sub-network through dielectric layer or air mutually insulated, the therefore i.e. electric insulation ability between the sub-network in twos wherein of the proof voltage ability of a printed circuit board.
In the prior art; Usually the proof voltage ability of using withstands voltage tester to come testing printed circuit board; During test; Respectively certain two sub-network to be measured in the positive and negative electrode test lead of withstands voltage tester and the printed circuit board (PCB) network are linked to each other, apply the test required voltage, reach purpose proof voltage ability (hereinafter to be referred as the proof voltage ability between the sub-network) test of dielectric layer between said two sub-networks to be measured or air by withstands voltage tester.When the application said method carries out the proof voltage test; Once only can be to carrying out the proof voltage test between two sub-networks to be measured; And a printed circuit board often need be tested the proof voltage ability between the more sub-network, therefore uses said method and carries out the shortcoming that the proof voltage test has length consuming time.Therefore simultaneously, this method needs the tester to carry out manual operations, safety precautions need be set preferably with protection tester's safety when carrying out the high pressure resistant test of printed circuit board (PCB).
Hang down problems such as reaching security and a kind of flying probe tester occurred in order to solve above-mentioned testing efficiency; During test; Earlier the operating path of all flying needles in the flying probe tester is carried out program setting (flying needle employing even number) according to printed circuit board (PCB) network to be measured; Then each flying needle is placed on the different sub-network to be measured in this printed circuit board (PCB); And to all flying needles apply the test required fixed voltage, then all flying needles will be tested the proof voltage ability between all sub-networks to be measured on this printed circuit board (PCB) by its Program path.When the application said method carries out the proof voltage test; Can avoid tester's manual operations; Reduce the risk of test, also improved security, but because flying needle whenever moves the one group of proof voltage ability between (two) sub-network to be measured of once can only testing; Therefore the testing efficiency of flying probe tester is still lower, the test request of the incompatible printed circuit board (PCB) of making in enormous quantities.
The utility model content
The utility model technical matters to be solved is to existing above-mentioned defective in the prior art, provides a kind of testing efficiency high, safe and reliable printed circuit board (PCB) voltage-resistant test device.
The technical scheme that solution the utility model technical matters is adopted is:
All line patterns on the printed circuit board (PCB) constitute at least one printed circuit board (PCB) network; Said printed circuit board (PCB) network comprises at least two child network; Said printed circuit board (PCB) voltage-resistant test device is used to test one group of proof voltage ability between the said sub-network; Proof voltage ability between said one group of sub-network is the proof voltage ability between two child network in the same printed circuit board (PCB) network, and wherein, this proving installation comprises withstands voltage tester and test cell; Said test cell keeps being electrically connected with the anodal test lead and the negative pole test lead of said withstands voltage tester; Said test cell is tested connection to the proof voltage ability between at least two group sub-networks simultaneously when carrying out the proof voltage test.
Preferably; Said test cell comprises testing needle; The quantity of the sub-network in the quantity of said testing needle and the printed circuit board (PCB) network is identical; The corresponding child network of each testing needle, and when carrying out the proof voltage test, between the sub-network corresponding electrical connection is arranged with it, each testing needle is electrically connected with the anodal test lead or the maintenance of negative pole test lead of said withstands voltage tester.Be provided with a test point on said each sub-network; Said each testing needle is specially carrying out having to be electrically connected between proof voltage when test sub-network corresponding with it, and the test point maintenance on the sub-network corresponding with it when carrying out the proof voltage test of said each testing needle electrically contacts.Said test point is via hole or pad; Said testing needle adopts conductive material to process.
Further preferred, the distance between said any two testing needles is greater than safe distance.
Preferably, also comprise in this device: be used to support the support unit of said test cell, said test cell is arranged on the said support unit.
Further preferred, said support unit comprises backing plate, and said test cell is arranged on the backing plate; Said backing plate adopts insulating material to process.
Further preferred, said support unit also comprises pillar, and said pillar is arranged on the bottom of backing plate and is fixedly connected with it, is used for backing plate is carried out horizontal support; Said pillar adopts rigid material to process.
Further preferred again, said backing plate adopts plastics, wood materials or stupalith to process; Said pillar adopts plastics, wood materials, stupalith or metal material to process.
Preferably, also include in this device and be used for said printed circuit board (PCB) is fixed on the positioning unit on the said support unit, said positioning unit is arranged on the support unit.
Further preferred, said positioning unit comprises at least two pilot pins, and said printed circuit board (PCB) is provided with and is used to make said pilot pin can insert the pilot hole on the printed circuit board (PCB), and said pilot hole is corresponding with said pilot pin position.
Further preferred, said pilot pin adopts rigid material to process.
The utility model printed circuit board (PCB) voltage-resistant test device can disposablely be accomplished the test of proof voltage ability between a plurality of sub-networks to be measured on this printed circuit board (PCB) simultaneously; Compared with prior art shortened the proof voltage test duration of printed circuit board (PCB) greatly; Greatly improved testing efficiency, be particularly suitable for testing with the proof voltage of money printed circuit board (PCB) in enormous quantities.In addition, said voltage-resistant test device has been avoided tester's manual operations, therefore also has advantages such as safe and reliable.
Description of drawings
Fig. 1 measures the structural representation of a certain printed circuit board (PCB) proof voltage ability for printed circuit board (PCB) voltage-resistant test device among the utility model embodiment;
Fig. 2 is the simplification circuit diagram of Fig. 1;
Among the figure: the 1-backing plate; The 2-pilot pin; The 3-testing needle; The 4-pillar; The 5-printed circuit board (PCB); The 6-dielectric layer; The 7-withstands voltage tester.
Embodiment
For making those skilled in the art understand the technical scheme of the utility model better, the utility model printed circuit board (PCB) voltage-resistant test device is described in further detail below in conjunction with accompanying drawing and embodiment.
All line patterns on one printed circuit board constitute at least one printed circuit board (PCB) network, and wherein, one group of line pattern that can form electrical communication constitutes a child network, and said printed circuit board (PCB) network comprises at least two child network.The said printed circuit board (PCB) voltage-resistant test device of the utility model is used to test one group of proof voltage ability between the said sub-network; Proof voltage ability between said one group of sub-network is the proof voltage ability between two child network in the same printed circuit board (PCB) network; Wherein, this proving installation comprises withstands voltage tester and test cell; Said test cell keeps being electrically connected with the anodal test lead and the negative pole test lead of said withstands voltage tester; Said test cell is tested connection to the proof voltage ability between at least two group sub-networks simultaneously when carrying out the proof voltage test.
Specific embodiment as shown in Figure 1, said printed circuit board (PCB) voltage-resistant test device is used for the proof voltage ability of testing printed circuit board 5, and this device comprises withstands voltage tester 7, test cell, support unit and positioning unit.Said voltage tester 7 is an existing product, and it can test required voltage for printed circuit board (PCB) 5 provides its proof voltage, and has the both positive and negative polarity test lead.
Said test cell is connected through lead respectively with anodal test lead, the negative pole test lead of withstands voltage tester 7.In the present embodiment; Said test cell comprises testing needle 3; More excellent; The quantity of the sub-network in the quantity of said testing needle 3 and the printed circuit board (PCB) network is identical, each testing needle 3 corresponding child network and when carrying out the proof voltage test, between the sub-network corresponding electrical connection is arranged with it, and each testing needle 3 is electrically connected with the anodal test lead or the maintenance of negative pole test lead of said withstands voltage tester 7.
Be provided with a test point on said each sub-network; When carrying out the proof voltage test; Have between said each testing needle 3 sub-network corresponding with it to be electrically connected to be specially, the test point maintenance on the sub-network corresponding with it when carrying out the proof voltage test of said each testing needle 3 electrically contacts.The position of said each test point on its sub-network to choose to make things convenient for laying of its corresponding testing needle 3 be principle; Simultaneously; Also to consider to test the ultimate value of required voltage; And guaranteeing distance between any two testing needles 3 greater than safe distance, said safe distance is not for causing the bee-line of short circuit because of medium or air breakdown between any two testing needles 3.Said test point is via hole or pad (shown in the contact point of testing needle among Fig. 1 and PCB); Said testing needle 3 adopts conductive material to process, and preferably adopts the metal material that electric conductivity is good, hardness is big to process.
Be handled easily; All are connected the lead between the anodal test lead of withstands voltage tester 7 a plurality of testing needles 3 corresponding with it; Lead with between all negative pole test leads that are connected withstands voltage tester 7 and its corresponding a plurality of testing needles 3 composes in parallel a branch of respectively.Concrete, the lead that is connected with each testing needle 3, with the connected mode of the positive pole or the negative pole test lead of withstands voltage tester 7, can be for multiple.Comprising four child network A, B, C and D with a printed circuit board (PCB) network is example; Can testing needle corresponding with sub-network A and anodal test lead be conducted; To be conducted with sub-network B, C, testing needle and negative pole test lead that D is corresponding, can measure the proof voltage ability between A and B, A and C and A and the D; If A, C and anodal test pole are conducted, B, D and negative pole test pole are conducted, can measure the proof voltage ability between A and B, A and D, C and B and C and the D.
Said support unit is used to support said test cell, and said test cell is arranged on the said support unit.
Said support unit comprises backing plate 1 and pillar 4; Pillar 4 is used for backing plate 1 is carried out horizontal support; Post shapes get final product can Horizontal Branch to prop up backing plate 1, such as as shown in Figure 1 two parallel rectangle stilts, when the contact point of pillar 4 and surface level (no matter being ground level or backing plate) than hour; According to 3 principles of confirming a plane, pillar 4 needs three at least.Test cell is arranged on the backing plate 1, and said pillar 4 is arranged on the bottom of backing plate 1 and is fixedly connected with it.Said backing plate 1 adopts insulating material to process, and said pillar 4 adopts rigid material to process.Preferred said backing plate 1 adopts plastics, wood materials or stupalith to process, and said pillar 4 adopts plastics, wood materials, stupalith or metal material to process.
More excellent, proving installation also comprises positioning unit, is used for printed circuit board (PCB) 5 is fixed on said support unit, and said positioning unit is arranged on the support unit.
Said positioning unit comprises several (at least two) pilot pins 2; Said printed circuit board (PCB) 5 is provided with several (at least two) pilot holes; The quantity of the pilot hole on the quantity of said pilot pin 2 and the printed circuit board (PCB) is identical; And each pilot pin 2 that the position is set is corresponding with the position of each pilot hole respectively, make each pilot pin 2 can insert in the pilot hole corresponding with it on the printed circuit board (PCB) 5.Said pilot pin 2 adopts rigid material to process, and preferably adopts steel to process.
It is following that voltage-resistant test device according to the invention carries out the proof voltage testing principle to printed circuit board (PCB) 5:
It is understandable that above embodiment only is the illustrative embodiments that adopts for the principle that the utility model is described, yet the utility model is not limited thereto.For the one of ordinary skilled in the art, under the situation of spirit that does not break away from the utility model and essence, can make various modification and improvement, these modification and improvement also are regarded as the protection domain of the utility model.
Claims (10)
1. printed circuit board (PCB) voltage-resistant test device; All line patterns on the printed circuit board (PCB) (5) constitute at least one printed circuit board (PCB) network; Said printed circuit board (PCB) network comprises at least two child network; Said proving installation is used to test one group of proof voltage ability between the said sub-network; Proof voltage ability between said one group of sub-network is the proof voltage ability between two child network in the same printed circuit board (PCB) network, it is characterized in that, this proving installation comprises withstands voltage tester (7) and test cell; Said test cell keeps being electrically connected with the anodal test lead and the negative pole test lead of said withstands voltage tester (7); Said test cell is tested connection to the proof voltage ability between at least two group sub-networks simultaneously when carrying out the proof voltage test.
2. voltage-resistant test device according to claim 1; It is characterized in that; Said test cell comprises testing needle (3), and the quantity of the sub-network in the quantity of said testing needle (3) and the printed circuit board (PCB) network is identical, the corresponding child network of each testing needle (3); And carrying out between proof voltage when test sub-network corresponding with it electrical connection being arranged, each testing needle (3) is electrically connected with the anodal test lead or the maintenance of negative pole test lead of said withstands voltage tester (7).
3. voltage-resistant test device according to claim 2 is characterized in that, the distance between said any two testing needles (3) is greater than safe distance.
4. according to arbitrary described voltage-resistant test device among the claim 1-3, it is characterized in that, also comprise in this device: be used to support the support unit of said test cell, said test cell is arranged on the said support unit.
5. voltage-resistant test device according to claim 4 is characterized in that, said support unit comprises backing plate (1), and said test cell is arranged on the backing plate (1); Said backing plate (1) adopts insulating material to process.
6. voltage-resistant test device according to claim 5 is characterized in that, said support unit also comprises pillar (4), and said pillar (4) is arranged on the bottom of backing plate (1) and is fixedly connected with it, is used for backing plate (1) is carried out horizontal support; Said pillar (4) adopts rigid material to process.
7. voltage-resistant test device according to claim 6 is characterized in that, said backing plate (1) adopts plastics, wood materials or stupalith to process; Said pillar (4) adopts plastics, wood materials, stupalith or metal material to process.
8. voltage-resistant test device according to claim 4 is characterized in that, also comprises in this device: be used for said printed circuit board (PCB) (5) is fixed on the positioning unit on the said support unit, said positioning unit is arranged on the support unit.
9. voltage-resistant test device according to claim 8; It is characterized in that; Said positioning unit comprises at least two pilot pins (2); Said printed circuit board (PCB) (5) is provided with and is used to make said pilot pin (2) can insert the pilot hole on the printed circuit board (PCB) (5), and said pilot hole is corresponding with said pilot pin position.
10. voltage-resistant test device according to claim 9 is characterized in that, said pilot pin (2) adopts rigid material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204314067U CN202285039U (en) | 2011-11-03 | 2011-11-03 | Withstand voltage test device for printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204314067U CN202285039U (en) | 2011-11-03 | 2011-11-03 | Withstand voltage test device for printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202285039U true CN202285039U (en) | 2012-06-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204314067U Expired - Lifetime CN202285039U (en) | 2011-11-03 | 2011-11-03 | Withstand voltage test device for printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202285039U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076251A (en) * | 2013-03-29 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Dielectric strength testing device |
| CN104237752A (en) * | 2014-09-25 | 2014-12-24 | 广州兴森快捷电路科技有限公司 | Test method, test fixture and test device for thin core board layer short risks |
| CN104812177A (en) * | 2014-01-23 | 2015-07-29 | 深圳崇达多层线路板有限公司 | Universal backing plate and application method thereof |
| CN105548843A (en) * | 2016-01-25 | 2016-05-04 | 竞陆电子(昆山)有限公司 | Withstand voltage testing device for printed circuit board |
| CN106093735A (en) * | 2016-08-11 | 2016-11-09 | 浪潮电子信息产业股份有限公司 | A kind of printed circuit board (PCB) voltage-withstanding test method and device |
| CN106546905A (en) * | 2016-11-01 | 2017-03-29 | 景旺电子科技(龙川)有限公司 | A kind of method that addition golden finger tests PAD |
| CN107390098A (en) * | 2017-07-27 | 2017-11-24 | 深圳崇达多层线路板有限公司 | A kind of high pressure resistant test device of PCB and method of testing |
-
2011
- 2011-11-03 CN CN2011204314067U patent/CN202285039U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076251A (en) * | 2013-03-29 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Dielectric strength testing device |
| CN104812177A (en) * | 2014-01-23 | 2015-07-29 | 深圳崇达多层线路板有限公司 | Universal backing plate and application method thereof |
| CN104812177B (en) * | 2014-01-23 | 2018-01-23 | 深圳崇达多层线路板有限公司 | General subplate and its application method |
| CN104237752A (en) * | 2014-09-25 | 2014-12-24 | 广州兴森快捷电路科技有限公司 | Test method, test fixture and test device for thin core board layer short risks |
| CN105548843A (en) * | 2016-01-25 | 2016-05-04 | 竞陆电子(昆山)有限公司 | Withstand voltage testing device for printed circuit board |
| CN106093735A (en) * | 2016-08-11 | 2016-11-09 | 浪潮电子信息产业股份有限公司 | A kind of printed circuit board (PCB) voltage-withstanding test method and device |
| CN106546905A (en) * | 2016-11-01 | 2017-03-29 | 景旺电子科技(龙川)有限公司 | A kind of method that addition golden finger tests PAD |
| CN107390098A (en) * | 2017-07-27 | 2017-11-24 | 深圳崇达多层线路板有限公司 | A kind of high pressure resistant test device of PCB and method of testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |