CN205928357U - Test clamp - Google Patents

Test clamp Download PDF

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Publication number
CN205928357U
CN205928357U CN201620884988.7U CN201620884988U CN205928357U CN 205928357 U CN205928357 U CN 205928357U CN 201620884988 U CN201620884988 U CN 201620884988U CN 205928357 U CN205928357 U CN 205928357U
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China
Prior art keywords
test
clamping plate
test fixture
splint
work piece
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Active
Application number
CN201620884988.7U
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Chinese (zh)
Inventor
罗广生
邢承友
蒋治亿
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Priority to CN201620884988.7U priority Critical patent/CN205928357U/en
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Publication of CN205928357U publication Critical patent/CN205928357U/en
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Abstract

The utility model provides a test clamp, it includes: two splint press from both sides and are fixed by the test work piece from the both sides package by the test work piece, and add heat -insulating material, set up and heat on each splint and to each splint to splint via the heating are heated testing the work piece. In the basis the utility model discloses an among the test clamp, test clamp includes two splint and adds heat -insulating material. Two splint are for being provided clamping action with fixed by the test work piece by the test work piece, and add heat -insulating material and directly set up and heat on each splint and to each splint to via splint with heat transfer to being heated in order to test the work piece to the quilt on the test work piece. The test clamp simple structure of this kind of structure, convenient operation is convenient for improve efficiency of software testing to being carried out high temperature test by the test work piece. In addition, compare with traditional test clamp, the utility model discloses a test clamp is small, when being applied to by the high temperature test of test work piece, has practiced thrift the test space.

Description

Test fixture
Technical field
This utility model is related to field of batteries, more particularly, to a kind of test fixture.
Background technology
The circulation of lithium ion battery, storage and aerogenesis assessment typically require and carry out high temperature accelerated test, to facilitate foundation to follow Ring, storage or aerogenesis life model.But lithium ion battery is due to itself, positive and negative in long-term storage or test process Pole piece can dilatancy so that the interface unbound of inside battery pole piece and isolating membrane, lead to battery to fail according to normally using feelings Condition accelerates to decay and produce security risk, or even blast on fire occurs.Therefore generally lithium ion battery is in life-span and test process Middle applying external force fastening, to limit its expansion, improves cell interface contact condition.
In on November 25th, 2015, the Chinese patent CN204809453U of Granted publication disclosed a kind of battery clamp, its energy Guarantee that lithium ion battery has good interface in test process.But the battery clamp of the type can only provide and step up to act on, Need to put it in high temperature furnace in high temperature accelerated test.However, the usual volume of high temperature furnace apparatus is larger, internal free space Less, and present power lithium-ion battery content volume is all larger, after band upper fixture, volume becomes much larger, therefore one high temperature Furnace apparatus cannot be tested to multiple batteries simultaneously, so not only wasted space but also increased equipment cost, the efficiency of test is also low.
Disclose a kind of cell measuring clamp dress in the Chinese patent CN203185176U of September in 2013 Granted publication on the 11st Put, it includes test cabinet and battery tray.Although this Battery test fixture device by integrated to fixture and test cabinet together, And this device carries battery tray, facilitate battery to carry out fixture test, but the space of test cabinet equipment is still larger, to power The test space still can not be reasonably utilized when lithium ion battery is tested.
Utility model content
In view of problem present in background technology, a purpose of the present utility model is to provide a kind of test fixture, its It is also equipped with heating function while clamping action being provided to tested workpiece, be easy to carry out high temperature test to tested workpiece, Improve testing efficiency.
Another purpose of the present utility model is to provide a kind of test fixture, its simple to operate, small volume, when being applied to During the high temperature test of tested workpiece, save the test space.
To achieve these goals, this utility model provides a kind of test fixture, and it includes:Two clamping plates, from tested The both sides of trial work part sandwich and fix tested workpiece;And heating member, it is arranged on each clamping plate and each clamping plate is heated, Thus heating to tested workpiece via the clamping plate of heating.
The beneficial effects of the utility model are as follows:
According in test fixture of the present utility model, test fixture includes two clamping plates and heating member.Two clamping plates are Tested workpiece provides clamping action with fixing tested workpiece, and heating member is directly arranged on each clamping plate and each clamping plate is entered Row heating, thus transfer heat on tested workpiece via clamping plate to heat to tested workpiece.This structure Test fixture structure is simple, easy to operate, is easy to carry out high temperature test to tested workpiece, improves testing efficiency.Additionally, with Traditional test fixture (as included the test fixture of test cabinet and battery tray) is compared, test fixture volume of the present utility model Little, when being applied to the high temperature test of tested workpiece, save the test space.
Brief description
Fig. 1 is explosive view in one embodiment according to test fixture of the present utility model;
Fig. 2 is the top view after each part assembling in Fig. 1;
Fig. 3 is that each part in Fig. 1 assembles the sectional view after tailing edge line A-A cutting;
Fig. 4 is that each part in Fig. 1 assembles the sectional view after tailing edge line B-B cutting;
Fig. 5 is explosive view in another embodiment according to test fixture of the present utility model.
Wherein, description of reference numerals is as follows:
1 clamping plate 4 couveuse
11 accommodating recess 41 is incubated box body
12 accommodating grooves 411 cavity
13 through hole 412 opening
The tested workpiece of 14 pole groove A
2 heating member A1 poles
3 securing members
Specific embodiment
To describe in detail with reference to the accompanying drawings according to test fixture of the present utility model
Referring to figs. 1 to Fig. 5, included according to test fixture of the present utility model:Two clamping plates 1, from the two of tested workpiece A Side sandwiches and fixes tested workpiece A;And heating member 2, it is arranged on each clamping plate 1 and each clamping plate 1 is heated, thus warp By the clamping plate 1 heating, tested workpiece A is heated.
According in test fixture of the present utility model, test fixture includes two clamping plates 1 and heating member 2.Two clamping plates 1 There is provided clamping action with fixing tested workpiece A for tested workpiece A, and heating member 2 is directly arranged on each clamping plate 1 and to each Clamping plate 1 is heated, thus transferring heat on tested workpiece A via clamping plate 1 to heat to tested workpiece A. The test fixture structure of this structure is simple, easy to operate, is easy to carry out high temperature test to tested workpiece A, improves test Efficiency.Additionally, compared with traditional test fixture (as included the test fixture of test cabinet and battery tray), of the present utility model Test fixture small volume, when being applied to the high temperature test of tested workpiece, has saved the test space.
According in test fixture of the present utility model, with reference to Fig. 1 and Fig. 5, heating member 2 may be disposed at the outer of each clamping plate 1 Side, not only limits so, as the case may be, heating member 2 may also be disposed on the inner side of each clamping plate 1, may also set up in each folder certainly The inside of plate 1." outside " wherein mentioned here and " inner side " refers to the corresponding surface of each clamping plate 1.
According to test fixture of the present utility model, in one embodiment, with reference to Fig. 1 and Fig. 5, each clamping plate 1 can have:House Recess 11, is formed at the inner side of clamping plate 1, for housing tested workpiece A;And accommodating grooves 12, it is formed at the outer of clamping plate 1 Side, for housing heating member 2.Wherein, the shape of accommodating recess 11 is appropriately designed according to the surface configuration of tested workpiece A, with Reason, the shape of accommodating grooves 12 carries out appropriately designed according to the concrete structure of heating member 2.
According in test fixture of the present utility model, the depth sum of the accommodating recess 11 of two clamping plate 1 after assembling Less than the thickness of tested workpiece A, the tested workpiece A that such guarantee is between two clamping plate 1 will not rock easily, Thus playing the effect clamping and fixing tested workpiece A well.
According in test fixture of the present utility model, with reference to Fig. 1 and Fig. 5, each clamping plate 1 also insertion can be provided with multiple leading to Hole 13.
In one embodiment, with reference to Fig. 1 and Fig. 5, test fixture may also include:Multiple securing members 3, each securing member 3 passes through The corresponding through hole 13 of two clamping plate 1 is to be fixedly connected two clamping plate 1.
In one embodiment, securing member 3 can be bolt.
In one embodiment, with reference to Fig. 1 and Fig. 5, through hole 13 can be four, is located at respectively at four corners of clamping plate 1.
According in test fixture of the present utility model, the diameter of through hole 13 can be 12mm, but not only limits so, through hole 13 Big I suitably changed according to the concrete size of each clamping plate 1.
In one embodiment, each clamping plate 1 can be made up of aluminum, aluminium alloy or rustless steel.
In one embodiment, heating member 2 can be resistance wire.
In one embodiment, the shape of resistance wire can be multistage S-shaped (as shown in Figure 1 and Figure 5) or multistage arch, accordingly Ground, the accommodating grooves 12 of each clamping plate 1 be shaped as multistage S-shaped or multistage arch.Here, the shape of resistance wire is designed as multistage S-shaped or multistage arch are in order that resistance wire heating evenly to clamping plate 1.
According to test fixture of the present utility model, in one embodiment, test fixture may also include:Temperature sensor is (not Illustrate), be arranged on tested workpiece A or each clamping plate 1 inner side.Temperature sensor is used for the tested workpiece A of real-time sensing Temperature (or temperature of each clamping plate 1), be easy to the heating power of real-time adjustment heating member 2.
In one embodiment, referring to figs. 1 to Fig. 5, tested workpiece A can be battery, and the top of battery is provided with pole A1.
In one embodiment, with reference to Fig. 1, Fig. 2 and Fig. 5, each clamping plate 1 also can have:Pole groove 14, for housing battery Pole A1 and the accommodating recess 11 of connection clamping plate 1.
In one embodiment, with reference to Fig. 1, battery can be rectangular cell, and correspondingly, the accommodating recess 11 of clamping plate 1 is square.
In one embodiment, with reference to Fig. 5, battery can be cylindrical battery, and correspondingly, the accommodating recess 11 of clamping plate 1 is arc Shape.
According in test fixture of the present utility model, referring to figs. 1 to Fig. 5, test fixture may also include:Couveuse 4, receives Hold the assembly of clamping plate 1, tested workpiece A and heating member 2, and described assembly is incubated.Couveuse 4 can prevent Scattering and disappearing of the heat of the assembly being assembled into by clamping plate 1, tested workpiece A and heating member 2, is being carried out to tested workpiece A During high temperature test, decrease the heat time heating time to tested workpiece A, and then improve testing efficiency.
In one embodiment, with reference to Fig. 1 and Fig. 5, couveuse 4 can be docked by two insulation box bodys 41 with cavity 411 Form.Each insulation box body 41 can have:Opening 412, insertion is arranged at the top of insulation box body 41 and is communicated in insulation box body 41 Cavity 411.
In one embodiment, two insulation box bodys 41 can be fixedly connected by bolt or electric magnet.
In one embodiment, couveuse 4 can be integrally formed.
In one embodiment, test fixture may also include:Heat-preservation cotton layer (not shown), is arranged at the sky of each insulation box body 41 In chamber 411.The setting of heat-preservation cotton layer is also for preventing from further being assembled into by clamping plate 1, tested workpiece A and heating member 2 The heat of assembly scatter and disappear, when high temperature test is carried out to tested workpiece A, decrease the heating to tested workpiece A Time.
According in test fixture of the present utility model, each insulation box body 41 can be by plastics, lucite or aluminium alloy system Become.

Claims (10)

1. a kind of test fixture is it is characterised in that include:
Two clamping plates (1), sandwich from the both sides of tested workpiece (A) and fix tested workpiece (A);
Heating member (2), is arranged at each clamping plate (1) and each clamping plate (1) is heated, thus via the clamping plate (1) heating to quilt Test piece (A) is heated.
2. test fixture according to claim 1 it is characterised in that heating member (2) be arranged at each clamping plate (1) outside, Inner side or internal.
3. test fixture according to claim 1 is it is characterised in that each clamping plate (1) has:
Accommodating recess (11), is formed at the inner side of clamping plate (1), for housing tested workpiece (A);And
Accommodating grooves (12), are formed at the outside of clamping plate (1), for housing heating member (2).
4. test fixture according to claim 3 is it is characterised in that heating member (2) is resistance wire.
5. test fixture according to claim 4 it is characterised in that
Resistance wire be shaped as multistage S-shaped or multistage arch, correspondingly, being shaped as of the accommodating grooves (12) of each clamping plate (1) is many Section S-shaped or multistage arch.
6. it is characterised in that tested workpiece (A) is battery, the top of battery sets test fixture according to claim 3 It is equipped with pole (A1).
7. test fixture according to claim 6 it is characterised in that
Battery is rectangular cell, and correspondingly, the accommodating recess (11) of clamping plate (1) is square;Or
Battery is cylindrical battery, and correspondingly, the accommodating recess (11) of clamping plate (1) is arc.
8. test fixture according to claim 1 is it is characterised in that described test fixture also includes:
Couveuse (4), houses the assembly of clamping plate (1), tested workpiece (A) and heating member (2), and described assembly is entered Row insulation.
9. test fixture according to claim 8 is it is characterised in that couveuse (4) is by two guarantors with cavity (411) Warm box body (41) docking forms.
10. test fixture according to claim 9 has it is characterised in that being respectively incubated box body (41):Opening (412), passes through The logical top being arranged at insulation box body (41) and the cavity (411) being communicated in insulation box body (41).
CN201620884988.7U 2016-08-16 2016-08-16 Test clamp Active CN205928357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620884988.7U CN205928357U (en) 2016-08-16 2016-08-16 Test clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620884988.7U CN205928357U (en) 2016-08-16 2016-08-16 Test clamp

Publications (1)

Publication Number Publication Date
CN205928357U true CN205928357U (en) 2017-02-08

Family

ID=57917699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620884988.7U Active CN205928357U (en) 2016-08-16 2016-08-16 Test clamp

Country Status (1)

Country Link
CN (1) CN205928357U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109470476A (en) * 2019-01-14 2019-03-15 扬州大学 A kind of torsional fatigue test devices and methods therefor of vibration-reduction gear
CN109580752A (en) * 2017-09-28 2019-04-05 宁德时代新能源科技股份有限公司 Battery detection frame and battery detection structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109580752A (en) * 2017-09-28 2019-04-05 宁德时代新能源科技股份有限公司 Battery detection frame and battery detection structure
CN109470476A (en) * 2019-01-14 2019-03-15 扬州大学 A kind of torsional fatigue test devices and methods therefor of vibration-reduction gear
CN109470476B (en) * 2019-01-14 2023-06-27 扬州大学 Torsional fatigue test device and method for vibration reduction gear

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