CN109342778A - A kind of hand-held four-wire method test fixture - Google Patents

A kind of hand-held four-wire method test fixture Download PDF

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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
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CN
China
Prior art keywords
intermediate plate
electrode
clamping piece
hand
electrode line
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Application number
CN201811357607.XA
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Chinese (zh)
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CN109342778B (en
Inventor
南式荣
杨漫雪
陈镇
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Nanjing Sart Science and Technology Development Co Ltd
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Nanjing Sart Science and Technology Development Co Ltd
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Priority to CN201811357607.XA priority Critical patent/CN109342778B/en
Publication of CN109342778A publication Critical patent/CN109342778A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0425Test clips, e.g. for IC's

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  • 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

A kind of hand-held four-wire method test fixture
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.
CN201811357607.XA 2018-11-15 2018-11-15 Hand-held four-wire method test fixture Active CN109342778B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201811357607.XA CN109342778B (en) 2018-11-15 2018-11-15 Hand-held four-wire method test fixture

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CN109342778A true CN109342778A (en) 2019-02-15
CN109342778B CN109342778B (en) 2024-04-02

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Citations (7)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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

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