CN109342778A - A kind of hand-held four-wire method test fixture - Google Patents
A kind of hand-held four-wire method test fixture Download PDFInfo
- Publication number
- CN109342778A CN109342778A CN201811357607.XA CN201811357607A CN109342778A CN 109342778 A CN109342778 A CN 109342778A CN 201811357607 A CN201811357607 A CN 201811357607A CN 109342778 A CN109342778 A CN 109342778A
- Authority
- CN
- China
- Prior art keywords
- intermediate plate
- electrode
- clamping piece
- hand
- electrode line
- 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
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 32
- 125000006850 spacer group Chemical group 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 241001124569 Lycaenidae Species 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention discloses a kind of hand-held four-wire method test fixtures, belong to electronic component the field of test technology, including spacer block, the side of spacer block is equipped with first clamping piece ontology, and the other side of spacer block is equipped with second intermediate plate ontology, first clamping piece ontology is internally provided with first clamping piece, and second intermediate plate ontology is internally provided with second intermediate plate, first clamping piece side is provided with first electrode line by groove at positive position, and first clamping piece side is provided with second electrode line by groove at the position at the back side.The present invention realizes the one-handed performance to the four-wire method test resistance value of low resistance fuse products, to liberate hand when inspector carries out resistance value verification test.
Description
Technical field
The present invention relates to a kind of test fixtures to belong to electronics member device more particularly to a kind of hand-held four-wire method test fixture
Part the field of test technology.
Background technique
With the miniaturization and Surface Mounting Technology trend of electronic component products, in the design production of patch type fuse products
There are the patch type fuse products of a kind of rectangular copper cap and the design of rectangular porcelain tube.
Since the design of fuse is usually all the design of product based on a bit of alloy wire or metal conductor tracks
Resistance value is usually all at 1 ohm hereinafter, only several milliohms when wherein high-current fuse protector product resistance value is minimum.
For in the checkout procedure of fuse, resistance value test is always the more troublesome thing of part, the test of current low resistance
All it is to be tested using four-wire method, and is the amount pressed from both sides the opposite electrode for clamping fuse both ends using two gold plated coppers and carry out resistance value
Survey, the test fixture of this two copper folder must both hands simultaneously using resistance value measurement is just able to achieve, cause reviewer examining
When resistance value record very inconvenient, after a product is completed in test every time, next copper test folder need to be put, picked up again after recording data
Copper test folder continues to test, and constantly repeats this movement, very influence working efficiency.
Summary of the invention
The main object of the present invention is to provide for a kind of hand-held four-wire method test fixture, and single-hand held test fixture is real
Now to the one-handed performance of the four-wire method test resistance value of low resistance fuse products, so that liberating inspector carries out resistance value inspection
Hand when test.
The purpose of the present invention can reach by using following technical solution:
A kind of hand-held four-wire method test fixture, including spacer block, the side of the spacer block are equipped with first clamping piece ontology, and every
The other side of block is equipped with second intermediate plate ontology, and the first clamping piece ontology is internally provided with first clamping piece, and second intermediate plate
Ontology is internally provided with second intermediate plate, and the first clamping piece side is provided with the first electricity by groove at positive position
Polar curve, and first clamping piece side is provided with second electrode line, the second intermediate plate side by groove at the position at the back side
Third electrode wires are provided with by groove at the positive position, and second intermediate plate side pass through at the position at the back side it is recessed
Slot is provided with the 4th electrode wires.
Preferably, material used by the first clamping piece ontology and second intermediate plate ontology is all bamboo chip.
Preferably, the first electrode line, second electrode line, third electrode wires and the 4th electrode wires are all copper electrode line,
And all gold-plated processing in both ends of first electrode line, second electrode line, third electrode wires and the 4th electrode wires.
Preferably, between the first clamping piece and first electrode line and second electrode line in such a way that insulating tape is wound
It is fixed, and fixed in such a way that insulating tape is wound between second intermediate plate and third electrode wires and the 4th electrode wires.
Preferably, directly using insulating tape by twining between the spacer block and first clamping piece ontology and second intermediate plate ontology
Around mode link into an integrated entity.
Preferably, the length of the first clamping piece and second intermediate plate is between 10mm to 20mm, first electrode line, the second electricity
Polar curve, third electrode wires and the 4th electrode wires are all cuboid.
Advantageous effects of the invention:
1, hand-held four-wire method test fixture provided by the invention is realized and tests electricity to the four-wire method of low resistance fuse products
The one-handed performance of resistance value, to liberate hand when inspector carries out resistance value verification test.
2, hand-held four-wire method test fixture provided by the invention can quickly carry out test and the record of resistance value, so that surveying
Examination efficiency can be improved 50%.
Detailed description of the invention
Fig. 1 is the main view of a preferred embodiment of hand-held four-wire method test fixture according to the invention;
Fig. 2 is the left side view of a preferred embodiment of hand-held four-wire method test fixture according to the invention;
Fig. 3 is the right side view of a preferred embodiment of hand-held four-wire method test fixture according to the invention.
In figure: 1- first clamping piece, 2- second intermediate plate, 3- spacer block, 11- first electrode line, 12- second electrode line, 13- first
Clip body, 23- second intermediate plate ontology, 21- third electrode wires, the 4th electrode wires of 22-.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, below with reference to examples and drawings
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
As shown in Figure 1-Figure 3, a kind of hand-held four-wire method test fixture, including spacer block 3, the side of spacer block 3 are equipped with first
Clip body 13, and the other side of spacer block 3 is equipped with second intermediate plate ontology 23, first clamping piece ontology 13 is internally provided with first
Intermediate plate 1, and second intermediate plate ontology 23 is internally provided with second intermediate plate 2,1 side of first clamping piece passes through at positive position
Groove is provided with first electrode line 11, and 1 side of first clamping piece is provided with second electrode by groove at the position at the back side
Line 12,2 side of second intermediate plate are provided with third electrode wires 21, and 2 side of second intermediate plate by groove at positive position
The 4th electrode wires 22 are provided with by groove at the position at the back side.
In embodiment, as shown in Figure 1, material used by first clamping piece ontology 13 and second intermediate plate ontology 23 is all bamboo
Piece has certain elasticity to ensure to have comparable intensity again.
In embodiment, as shown in Figure 1, first electrode line 11, second electrode line 12, third electrode wires 21 and the 4th electrode
Line 22 is all copper electrode line, and first electrode line 11, second electrode line 12, third electrode wires 21 and the 4th electrode wires 22 both ends
All gold-plated processing, to ensure that there is certain mechanical strength and good electric conductivity.
In embodiment, as shown in Figure 1, by exhausted between first clamping piece 1 and first electrode line 11 and second electrode line 12
The mode of edge adhesive tape winding is fixed, and passes through insulating tape between second intermediate plate 2 and third electrode wires 21 and the 4th electrode wires 22
The mode of winding is fixed, and can facilitate the replacement for carrying out copper electrode, being dielectrically separated between copper electrode and hand is also ensured.
In embodiment, as shown in Figure 1, directly making between spacer block 3 and first clamping piece ontology 13 and second intermediate plate ontology 23
It is linked into an integrated entity by way of winding with insulating tape, the replacement for carrying out clip body can be facilitated.
In embodiment, as shown in Figure 1, the length of first clamping piece 1 and second intermediate plate 2 is between 10mm to 20mm, compare
Applicable hold using first electrode line 11, second electrode line 12, third electrode wires 21 and the 4th electrode wires 22 is all cuboid, can
To be preferably bonded to each other with groove.
As shown in Figure 1-Figure 3, the course of work of hand-held four-wire method test fixture provided in this embodiment is as follows:
Step 1: the electrode that gold-plated copper electrode resists fuse both ends is carried out the amount of resistance value by single-hand held test fixture
It surveys;
Step 2: copper electrode 11 and copper electrode 12 are the current line and pressure-wire of four-wire method one end, copper electrode 21 and copper electrode
22 be the pressure-wire and current line of the four-wire method other end, and current line is in the same side, voltage when such wiring ensures to be tested
Line also in the same side, guarantees the correctness of test result;
Step 3: test data is recorded after test.
To sum up, in the present embodiment, single-hand held test fixture is realized and is tested the four-wire method of low resistance fuse products
The one-handed performance of resistance value resists gold-plated copper electrode to liberate hand when inspector carries out resistance value verification test
The electrode at fuse both ends carries out the measurement of resistance value, and copper electrode 11 and copper electrode 12 are the current line and voltage of four-wire method one end
Line, copper electrode 21 and copper electrode 22 are the pressure-wire and current line of the four-wire method other end, when such wiring ensures to be tested
Current line also in the same side, guarantees the correctness of test result, records test data after test in the same side, pressure-wire,
Test and the record of resistance value can be quickly carried out, so that testing efficiency can be improved 50%, and there are also in addition in the process of implementation
A kind of embodiment, design principle is identical as the first, but is the shape of bronze medal electrode slice, the present embodiment in place of main difference
The copper electrode piece of design be right-angle side shape, in rectangular electrode side one end insertion intermediate plate of four copper electrodes, the other end is against
The side of clip body, the more applicable clamping to product of design of this right-angle side electrode, is more convenient fixed product, can also increase
The contact area of test is suitble to the test of Different electrodes side deisgn product.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (6)
1. a kind of hand-held four-wire method test fixture, including spacer block (3), it is characterised in that: the side of the spacer block (3) is equipped with
One clip body (13), and the other side of spacer block (3) is equipped with second intermediate plate ontology (23), the first clamping piece ontology (13)
It is internally provided with first clamping piece (1), and second intermediate plate ontology (23) is internally provided with second intermediate plate (2), the first clamping piece
(1) side is provided with first electrode line (11) at positive position by groove, and first clamping piece (1) side is close to the back side
Position at be provided with second electrode line (12) by groove, second intermediate plate (2) side passes through at positive position
Groove is provided with third electrode wires (21), and second intermediate plate (2) side is provided with the 4th by groove at the position at the back side
Electrode wires (22).
2. a kind of hand-held four-wire method test fixture according to claim 1, it is characterised in that: the first clamping piece ontology
(13) and material used by second intermediate plate ontology (23) is all bamboo chip.
3. a kind of hand-held four-wire method test fixture according to claim 1, it is characterised in that: the first electrode line
(11), second electrode line (12), third electrode wires (21) and the 4th electrode wires (22) are all copper electrode line, and first electrode line
(11), all gold-plated processing in both ends of second electrode line (12), third electrode wires (21) and the 4th electrode wires (22).
4. a kind of hand-held four-wire method test fixture according to claim 1, it is characterised in that: the first clamping piece (1) with
Between first electrode line (11) and second electrode line (12) insulating tape wind by way of fix, and second intermediate plate (2) with
It is fixed in such a way that insulating tape is wound between third electrode wires (21) and the 4th electrode wires (22).
5. a kind of hand-held four-wire method test fixture according to claim 1, it is characterised in that: the spacer block (3) and first
It is directly linked into an integrated entity by way of winding using insulating tape between clip body (13) and second intermediate plate ontology (23).
6. a kind of hand-held four-wire method test fixture according to claim 1, it is characterised in that: the first clamping piece (1) and
The length of second intermediate plate (2) is between 10mm to 20mm, first electrode line (11), second electrode line (12), third electrode wires
(21) and the 4th electrode wires (22) are all cuboid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811357607.XA CN109342778B (en) | 2018-11-15 | 2018-11-15 | Hand-held four-wire method test fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811357607.XA CN109342778B (en) | 2018-11-15 | 2018-11-15 | Hand-held four-wire method test fixture |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109342778A true CN109342778A (en) | 2019-02-15 |
CN109342778B CN109342778B (en) | 2024-04-02 |
Family
ID=65315052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811357607.XA Active CN109342778B (en) | 2018-11-15 | 2018-11-15 | Hand-held four-wire method test fixture |
Country Status (1)
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CN (1) | CN109342778B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009301818A (en) * | 2008-06-12 | 2009-12-24 | Chugoku Electric Power Co Inc:The | Connection clip |
CN201859156U (en) * | 2010-10-29 | 2011-06-08 | 广州蓝奇电子实业有限公司 | Four-wire-method polymer lithium battery clamp |
US20160370405A1 (en) * | 2015-01-29 | 2016-12-22 | Boe Technology Group Co., Ltd. | Electrical device testing fixture |
CN106841703A (en) * | 2017-02-15 | 2017-06-13 | 中国振华集团云科电子有限公司 | The fixture of the ultralow resistance product test accuracy of chip |
CN206331100U (en) * | 2017-01-08 | 2017-07-14 | 合肥国轩高科动力能源有限公司 | A kind of electrochemical impedance test device of high capacity lithium ion battery |
CN207894999U (en) * | 2018-03-05 | 2018-09-21 | 中国振华集团云科电子有限公司 | A kind of fixture for the test of surface-mount type fuse resistance value |
CN209342767U (en) * | 2018-11-15 | 2019-09-03 | 南京萨特科技发展有限公司 | A kind of hand-held four-wire method test fixture |
-
2018
- 2018-11-15 CN CN201811357607.XA patent/CN109342778B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009301818A (en) * | 2008-06-12 | 2009-12-24 | Chugoku Electric Power Co Inc:The | Connection clip |
CN201859156U (en) * | 2010-10-29 | 2011-06-08 | 广州蓝奇电子实业有限公司 | Four-wire-method polymer lithium battery clamp |
US20160370405A1 (en) * | 2015-01-29 | 2016-12-22 | Boe Technology Group Co., Ltd. | Electrical device testing fixture |
CN206331100U (en) * | 2017-01-08 | 2017-07-14 | 合肥国轩高科动力能源有限公司 | A kind of electrochemical impedance test device of high capacity lithium ion battery |
CN106841703A (en) * | 2017-02-15 | 2017-06-13 | 中国振华集团云科电子有限公司 | The fixture of the ultralow resistance product test accuracy of chip |
CN207894999U (en) * | 2018-03-05 | 2018-09-21 | 中国振华集团云科电子有限公司 | A kind of fixture for the test of surface-mount type fuse resistance value |
CN209342767U (en) * | 2018-11-15 | 2019-09-03 | 南京萨特科技发展有限公司 | A kind of hand-held four-wire method test fixture |
Also Published As
Publication number | Publication date |
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CN109342778B (en) | 2024-04-02 |
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