CN209342767U - A kind of hand-held four-wire method test fixture - Google Patents
A kind of hand-held four-wire method test fixture Download PDFInfo
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- CN209342767U CN209342767U CN201821878949.1U CN201821878949U CN209342767U CN 209342767 U CN209342767 U CN 209342767U CN 201821878949 U CN201821878949 U CN 201821878949U CN 209342767 U CN209342767 U CN 209342767U
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- intermediate plate
- clamping piece
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- electrode line
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Abstract
The utility model 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 utility model 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 utility model relates to a kind of test fixtures to belong to electronics more particularly to a kind of hand-held four-wire method test fixture
Component testing technical field.
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.
Utility model content
The main purpose of the utility model is to provide for a kind of hand-held four-wire method test fixture, single-hand held test clip
Tool realizes the one-handed performance to the four-wire method test resistance value of low resistance fuse products, so that liberating inspector carries out resistance
It is worth hand when verification test.
The purpose of this utility model 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.
The advantageous effects of the utility model:
1, hand-held four-wire method test fixture provided by the utility model is realized and is surveyed to the four-wire method of low resistance fuse products
The one-handed performance of resistance value is tried, to liberate hand when inspector carries out resistance value verification test.
2, hand-held four-wire method test fixture provided by the utility model can quickly carry out test and the record of resistance value, make
Obtaining testing efficiency can be improved 50%.
Detailed description of the invention
Fig. 1 is the main view according to a preferred embodiment of the hand-held four-wire method test fixture of the utility model；
Fig. 2 is the left side view according to a preferred embodiment of the hand-held four-wire method test fixture of the utility model；
Fig. 3 is the right side view according to a preferred embodiment of the hand-held four-wire method test fixture of the utility model.
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 the technical solution of the utility model of those skilled in the art, below with reference to embodiment and
Attached drawing is described in further detail the utility model, and however, the embodiments of the present invention are not limited thereto.
As shown in Figure 1-Figure 3, hand-held four-wire method test fixture provided in this embodiment, including spacer block 3, the side of spacer block 3
First clamping piece ontology 13 is installed, and the other side of spacer block 3 is equipped with second intermediate plate ontology 23, the inside of first clamping piece ontology 13
It is provided with first clamping piece 1, and second intermediate plate ontology 23 is internally provided with second intermediate plate 2,1 side of first clamping piece is close to positive
First electrode line 11 is provided with by groove at position, and 1 side of first clamping piece is arranged at the position at the back side by groove
There is second electrode line 12,2 side of second intermediate plate is provided with third electrode wires 21, and second by groove at positive position
2 side of intermediate plate is provided with the 4th electrode wires 22 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 close to
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, only the utility model further embodiment, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art is according to the present utility model in range disclosed in the utility model
Technical solution and its design are subject to equivalent substitution or change, belong to the protection scope of the utility model.
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 |
|---|---|---|---|
| CN201821878949.1U CN209342767U (en) | 2018-11-15 | 2018-11-15 | A kind of hand-held four-wire method test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821878949.1U CN209342767U (en) | 2018-11-15 | 2018-11-15 | A kind of hand-held four-wire method test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209342767U true CN209342767U (en) | 2019-09-03 |
Family
ID=67748498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821878949.1U Active CN209342767U (en) | 2018-11-15 | 2018-11-15 | A kind of hand-held four-wire method test fixture |
Country Status (1)
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| CN (1) | CN209342767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342778A (en) * | 2018-11-15 | 2019-02-15 | 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 CN201821878949.1U patent/CN209342767U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342778A (en) * | 2018-11-15 | 2019-02-15 | 南京萨特科技发展有限公司 | A kind of hand-held four-wire method test fixture |
| CN109342778B (en) * | 2018-11-15 | 2024-04-02 | 南京萨特科技发展有限公司 | Hand-held four-wire method test fixture |
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