CN1945340A - Detecting apparatus for circuit board - Google Patents
Detecting apparatus for circuit board Download PDFInfo
- Publication number
- CN1945340A CN1945340A CN 200610091818 CN200610091818A CN1945340A CN 1945340 A CN1945340 A CN 1945340A CN 200610091818 CN200610091818 CN 200610091818 CN 200610091818 A CN200610091818 A CN 200610091818A CN 1945340 A CN1945340 A CN 1945340A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- test
- grip block
- under test
- measurement jig
- 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.)
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Abstract
The circuit board testing device includes one testing base plate with test holes corresponding to the preset test points in the tested circuit board, several wires, each of which has one bared end inserted into one of the test holes and the other end connected to the preset test slot, and one holding plate over the testing base plate with holding holes deviated from the corresponding test holes. The holding plate and the testing base plate are combined and located to form testing contact points with the wires for contacting the test points in the tested circuit board. The circuit board testing device of the present invention has simple structure, low cost and capacity of lowering the test cost.
Description
[technical field]
The invention relates to a kind of measurement jig of circuit board, be meant a kind of simple structure, with low cost, the measurement jig that can effectively reduce the circuit board of testing cost especially.
[background technology]
The circuit board testing jig structure of commonly seeing, mainly formed by a general-purpose density board and a needle plate, in this general-purpose density board, be provided with the conductive component of a plurality of perforations, and make each conductive component be connected to a plurality of default test sockets via lead, utilize can the peg graft plug of each testing tool of these a plurality of test sockets, needle plate is the probe that is provided with a plurality of perforations according to pilot to be measured on the circuit of a default circuit board under test; Be fixed in location on the general-purpose density board with this needle plate, can make probe form a conducting with corresponding conductive component, this circuit board under test then can be fixed on the needle plate, utilize the pilot to be measured on each probe contact measured circuit board, export testing tool to and can form a test loop via each conductive component to test socket.
Yet above-mentioned circuit board testing jig structure has following disappearance on using:
1. because to be connected the lead of test socket be to be communicated with each pilot to be measured on the circuit board under test via the probe of the conductive component of general-purpose density board and needle plate, the contact conducting relation of this kind complexity, make the chance of pilot loose contact to be measured increase, have a strong impact on test mass.
2. because the use of general-purpose density board and needle plate causes the increase of equipment cost, whole testing cost is difficult to reduce, and does not meet economic benefit.
3. owing to each conductive component density setting on the general-purpose density board is to decide according to the probe spacing of needle plate, the probe of this needle plate then changes with circuit board under test is different, therefore, testing the measurement jig of variant circuit board under test can't share, and must according to variant circuit board under test design that each is suitable for measurement jig, not only increase the product development time-histories, also increase the cost of product test.
[summary of the invention]
Because the circuit board testing jig structure of commonly seeing has above-mentioned shortcoming, purpose of the present invention aims to provide a kind of measurement jig of circuit board, mainly comprise: the test seat board, lead and grip block etc. are partly, wherein this test bench intralamellar part is provided with the pilot to be measured that a plurality of instrument connections correspond respectively to default circuit board under test, outside these a plurality of instrument connections, other is provided with a plurality of pilot holes, one end of lead is the test socket that is connected in default, can be for the plug of each testing tool of pegging graft, end in addition in each lead then is provided with the naked section that a conductor exposes, and each naked section is the instrument connection that runs through this test seat board, grip block inside is provided with the pilot hole that a plurality of pilot holes correspond respectively to this test seat board, and outside these a plurality of pilot holes, other is provided with a plurality of folder holes, this folder hole is to correspond respectively to the instrument connection of test seat board and be an off normal, make this grip block, the test seat board is with pilot hole positioning combination in addition, can make this mal-alignment the folder hole clamping this stretch into the naked section of instrument connection, and make this naked section top stretch out in grip block top and form the test contact point, have simple structure, assemble advantage easily.
Another purpose of the present invention provides a kind of measurement jig of circuit board, and it can be provided with conductive glue slice, needle plate or density board respectively between this grip block and circuit board under test, to satisfy the demand of different occasions.
So the measurement jig of a kind of circuit board of the present invention is characterized in that: it comprises at least:
One test seat board is provided with a plurality of instrument connections that correspond respectively to the pilot to be measured of default circuit board under test, and this test seat board is provided with a plurality of pilot holes in addition;
Many leads, an end of lead are connected in default test socket, and the peg graft plug of each testing tool of this test socket then is provided with the naked section that a conductor exposes in the end in addition of each lead, and makes each naked section run through the instrument connection of this test seat board;
One grip block, be provided with the pilot hole that a plurality of pilot holes correspond respectively to this test seat board, other is provided with a plurality of folder holes, this folder hole is to correspond respectively to the instrument connection of test seat board and be an off normal, insert the pilot hole of test seat board and grip block respectively by a plurality of register pins, make this mal-alignment the folder hole clamping this stretch into the naked section of instrument connection, and make this naked section top stretch out in grip block top and form the test contact point, to contact with the pilot to be measured of circuit board under test.
The measurement jig of another circuit board of the present invention is characterized in that: it comprises at least: a test seat board, be provided with a plurality of instrument connections that correspond respectively to the pilot to be measured of default circuit board under test, and this test seat board is provided with a plurality of pilot holes in addition;
A plurality of leads, lead one end are connected in default test socket, and the peg graft plug of each testing tool of this test socket then is provided with the naked section that a conductor exposes in the end in addition of each lead, and makes each naked section run through the instrument connection of this test seat board;
One grip block, be provided with the pilot hole that a plurality of pilot holes correspond respectively to this test seat board, it is corresponding with the instrument connection of test seat board that other is provided with a plurality of folder holes, insert the pilot hole of test seat board and grip block respectively by a plurality of register pins, and with viscose the naked section of lead is binded and to be fixed in folder hole and the instrument connection, make this naked section top stretch out in the grip block top and form and test contact point, to contact with the pilot to be measured of circuit board under test.
From the above mentioned as can be known, the measurement jig of circuit board of the present invention has simple structure, with low cost and can reduce the effect of testing cost really, has really had usability, novelty and progressive on the industry.
As for detailed construction of the present invention, application principle, effect and effect, then the explanation of doing with reference to following adjoint can be understood completely:
[brief description of drawingsfig]
Fig. 1 is the structure decomposition map of first embodiment of the invention.
Fig. 2 is the combination synoptic diagram of first embodiment of the invention.
Fig. 3 is the combination section of first embodiment of the invention.
Fig. 4 is the lead naked section combination part amplification profile of first embodiment of the invention.
Fig. 5 is the structure decomposition map of second embodiment of the invention.
Fig. 6 is the combination section of second embodiment of the invention.
Fig. 7 is the lead naked section combination part amplification profile of second embodiment of the invention.
Fig. 8 is the structure decomposition map of third embodiment of the invention.
Fig. 9 is the combination section of third embodiment of the invention.
Figure 10 is the structure decomposition map of fourth embodiment of the invention.
Figure 11 is the combination section of fourth embodiment of the invention.
Figure 12 is the combination section of fifth embodiment of the invention.
Figure 13 is the partial enlarged drawing of Figure 12.
Figure 14 is the combination section of sixth embodiment of the invention.
Figure 15 is the partial enlarged drawing of Figure 14.
[embodiment]
Fig. 1 is the structure decomposition map of first embodiment of the invention, with reference to Fig. 2,3 combination synoptic diagram, the lead naked section combination part amplification profile of sectional view and Fig. 4, can clearly find out, the present invention mainly comprises: test seat board 1, lead 2 and grip block 3 etc. are partly, wherein this test seat board 1 inside is provided with the pilot to be measured that a plurality of instrument connections 11 correspond respectively to default circuit board under test 4, outer circumferential side in these a plurality of instrument connections 11 is provided with a plurality of pilot holes 12 in addition, one end of lead 2 is the test sockets 5 that are connected in default, can be for the plug of each testing tool of pegging graft, end in addition in each lead 2 then is provided with the naked section 21 that a conductor exposes, and each naked section 21 is the instrument connections 11 that run through this test seat board 1 from bottom to top, grip block 3 is provided with the pilot hole 12 that a plurality of pilot holes 32 correspond respectively to this test seat board 1, and on this grip block 3, be provided with a plurality of folder holes 31 in addition, this folder hole 31 is the instrument connections 11 that correspond respectively to test seat board 1 in the mode of an off normal, plug in pilot hole 32 that is embedded in this grip block 3 and the pilot hole 12 of testing seat board 1 respectively by a plurality of register pins 33, the naked section 21 that the folder hole 31 that makes this grip block 3 cooperates instrument connection 11 clampings of test seat board 1 to stretch into mal-alignment, and make these naked section 21 top projections form the test contact point for grip block 3 tops, when this circuit board under test 4 places grip block 3 top predeterminated positions, can make the test contact point on these naked section 21 tops directly contact conducting with the pilot to be measured of this circuit board under test 4, it is simple structure not only, reliably, and with low costly can effectively reduce testing cost.
Fig. 5 is the structure decomposition map of second embodiment of the invention, by it with reference to the combination section of Fig. 6 and the lead naked section combination part amplification profile of Fig. 7, the structure of this second embodiment is the basis that is configured to first embodiment as can be known, between this grip block 3 and circuit board under test 4, be provided with a conductive glue slice 6, the naked section 21 of this lead 2 can be contacted with the pilot to be measured of circuit board under test 4 via conductive glue slice 6.
Fig. 8 is the structure decomposition map of third embodiment of the invention, by its combination section with reference to Fig. 9, the 3rd embodiment also is the basis that is configured to first embodiment as can be known, between this grip block 3 and circuit board under test 4, be provided with a needle plate 7, the naked section 21 of this lead 2 can be contacted with the pilot to be measured of circuit board under test 4 via each probe 71 of needle plate 7.
Figure 10 is the structure decomposition map of fourth embodiment of the invention, by its combination section with reference to Figure 11, as can be known in the 4th embodiment, the folder hole 31 of this grip block 3 is complete corresponding with 11 of the instrument connections of test seat board 1, make the naked section 21 of this lead 2 pass this instrument connection 11, be to utilize viscose 22 to bind to fix during folder hole 31, and make these naked section 21 tops convexedly stretch in this folder hole 31 tops, and between this grip block 3 and circuit board under test 4, be provided with a density board 8, the naked section 21 of this lead 2 can be contacted with the pilot to be measured of circuit board under test 4 via each elastic conduction assembly 81 (spring) of density board 8.
Figure 12 is the structure decomposition map of fifth embodiment of the invention, and by its combination section with reference to Fig. 9, the 5th embodiment also is the basis that is configured to first embodiment as can be known, is provided with a guide pin 9 between this grip block 3 and circuit board under test 4; Figure 13 is Figure 12 circuit board under test and the enlarged drawing of testing 1 of seat board, as shown in figure 13, the naked section 21 of this lead 2 can be contacted with the pilot to be measured of circuit board under test 4 via the naked section 91 of guide pin 9.
Figure 14 is the structure decomposition map of sixth embodiment of the invention, and by its combination section with reference to Fig. 9, the 6th embodiment also is the basis that is configured to first embodiment as can be known, is provided with an electric conductor 10 between this grip block 3 and circuit board under test 4; Figure 15 is Figure 14 circuit board under test 4 and the enlarged drawing of testing 1 of seat board, as shown in figure 15, the naked section 21 of this lead 2 can be contacted with the pilot to be measured of circuit board under test 4 via electric conductor 10.This electric conductor 10 can be the unleaded substitute of a tin ball or other tool electric conductivity.
By this above-mentioned second and third, the structure of four, five and six embodiment, the structure of first embodiment of the invention can (between grip block 3 and circuit board under test 4) increase conductive glue slice 6, needle plate 7, density board 8, guide pin 9 or electric conductor 10 respectively according to actual needs as can be known, to satisfy the demand of different application occasion.
The above only is a preferred embodiment of the present invention, is not to be used for limiting protection scope of the present invention.Be all, all should be protection domain of the present invention and contain according to equalization variation and modification that the present invention did.
[primary clustering symbol description]
1 test seat board
11 instrument connections
12,32 locating holes
2 leads
21 naked sections
22 viscoses
3 grip blocks
31 folder holes
33 alignment pins
4 circuit board under test
5 test sockets
6 conductive glue slices
7 needle plates
71 probes
8 density board
81 elastic conduction assemblies
9 guide pins
10 electric conductors
Claims (14)
1. the measurement jig of a circuit board, it is characterized in that: it comprises at least:
One test seat board is provided with a plurality of instrument connections that correspond respectively to the pilot to be measured of default circuit board under test, and this test seat board is provided with a plurality of pilot holes in addition;
Many leads, an end of lead are connected in default test socket, and the peg graft plug of each testing tool of this test socket then is provided with the naked section that a conductor exposes in the end in addition of each lead, and makes each naked section run through the instrument connection of this test seat board;
One grip block, be provided with the pilot hole that a plurality of pilot holes correspond respectively to this test seat board, other is provided with a plurality of folder holes, this folder hole is to correspond respectively to the instrument connection of test seat board and be an off normal, insert the pilot hole of test seat board and grip block respectively by a plurality of register pins, make this mal-alignment the folder hole clamping this stretch into the naked section of instrument connection, and make this naked section top stretch out in grip block top and form the test contact point, to contact with the pilot to be measured of circuit board under test.
2. the measurement jig of circuit board as claimed in claim 1 is characterized in that: be provided with a conductive glue slice between this grip block and the circuit board under test.
3. the measurement jig of circuit board as claimed in claim 1 is characterized in that: be provided with a needle plate between this grip block and the circuit board under test.
4. the measurement jig of circuit board as claimed in claim 1 is characterized in that: be provided with a density board between this grip block and the circuit board under test.
5. the measurement jig of circuit board as claimed in claim 1 is characterized in that: be provided with a guide pin between this grip block and the circuit board under test.
6. the measurement jig of circuit board as claimed in claim 1 is characterized in that: be provided with an electric conductor between this grip block and the circuit board under test.
7. the measurement jig of circuit board as claimed in claim 6, it is characterized in that: this electric conductor is a tin ball.
8. the measurement jig of circuit board as claimed in claim 6, it is characterized in that: this electric conductor is the unleaded substitute of a tool electric conductivity.
9. the measurement jig of a circuit board, it is characterized in that: it comprises at least:
One test seat board is provided with a plurality of instrument connections that correspond respectively to the pilot to be measured of default circuit board under test, and this test seat board is provided with a plurality of pilot holes in addition;
A plurality of leads, lead one end are connected in default test socket, and the peg graft plug of each testing tool of this test socket then is provided with the naked section that a conductor exposes in the end in addition of each lead, and makes each naked section run through the instrument connection of this test seat board;
One grip block, be provided with the pilot hole that a plurality of pilot holes correspond respectively to this test seat board, it is corresponding with the instrument connection of test seat board that other is provided with a plurality of folder holes, insert the pilot hole of test seat board and grip block respectively by a plurality of register pins, and with viscose the naked section of lead is binded and to be fixed in folder hole and the instrument connection, make this naked section top stretch out in the grip block top and form and test contact point, to contact with the pilot to be measured of circuit board under test.
10. the measurement jig of circuit board as claimed in claim 9 is characterized in that: be provided with a conductive glue slice between this grip block and the circuit board under test.
11. the measurement jig of circuit board as claimed in claim 9 is characterized in that: be provided with a needle plate between this grip block and the circuit board under test.
12. the measurement jig of circuit board as claimed in claim 9 is characterized in that: be provided with a density board between this grip block and the circuit board under test.
13. the measurement jig of circuit board as claimed in claim 9 is characterized in that: be provided with a guide pin between this grip block and the circuit board under test.
14. the measurement jig of circuit board as claimed in claim 9 is characterized in that: be provided with an electric conductor between this grip block and the circuit board under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610091818 CN1945340A (en) | 2005-10-09 | 2006-05-29 | Detecting apparatus for circuit board |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510108795 | 2005-10-09 | ||
| CN200510108795.9 | 2005-10-09 | ||
| CN 200610091818 CN1945340A (en) | 2005-10-09 | 2006-05-29 | Detecting apparatus for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1945340A true CN1945340A (en) | 2007-04-11 |
Family
ID=38044829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610091818 Pending CN1945340A (en) | 2005-10-09 | 2006-05-29 | Detecting apparatus for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1945340A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408582B (en) * | 2008-11-24 | 2011-07-20 | 浙江中控技术股份有限公司 | Method and apparatus for testing circuit board |
| CN102608521A (en) * | 2012-03-12 | 2012-07-25 | 昆山明创电子科技有限公司 | Circuit board testing fixture |
| CN103076553A (en) * | 2012-12-28 | 2013-05-01 | 北京世纪东方国铁科技股份有限公司 | Test device for PCBA (printed circuit board assembly) |
| CN103135047A (en) * | 2011-11-23 | 2013-06-05 | 亚旭电子科技(江苏)有限公司 | Printed circuit board testing device |
| CN105699881A (en) * | 2016-03-29 | 2016-06-22 | 珠海拓优电子有限公司 | High-temperature testing jig for PCB |
-
2006
- 2006-05-29 CN CN 200610091818 patent/CN1945340A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408582B (en) * | 2008-11-24 | 2011-07-20 | 浙江中控技术股份有限公司 | Method and apparatus for testing circuit board |
| CN103135047A (en) * | 2011-11-23 | 2013-06-05 | 亚旭电子科技(江苏)有限公司 | Printed circuit board testing device |
| CN102608521A (en) * | 2012-03-12 | 2012-07-25 | 昆山明创电子科技有限公司 | Circuit board testing fixture |
| CN103076553A (en) * | 2012-12-28 | 2013-05-01 | 北京世纪东方国铁科技股份有限公司 | Test device for PCBA (printed circuit board assembly) |
| CN105699881A (en) * | 2016-03-29 | 2016-06-22 | 珠海拓优电子有限公司 | High-temperature testing jig for PCB |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |