CN209044043U - A kind of short-circuit test mechanism of flexible package lithium cell - Google Patents
A kind of short-circuit test mechanism of flexible package lithium cell Download PDFInfo
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- CN209044043U CN209044043U CN201821814506.6U CN201821814506U CN209044043U CN 209044043 U CN209044043 U CN 209044043U CN 201821814506 U CN201821814506 U CN 201821814506U CN 209044043 U CN209044043 U CN 209044043U
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Abstract
The utility model discloses a kind of short-circuit test mechanisms of flexible package lithium cell, the short-circuit detecting for flexible package lithium cell, comprising: rack；Insulation test bracket, is slidably arranged in rack；Positioning component is liftably arranged on Insulation test bracket, for positioning to the lithium battery on Insulation test position；Insulation test component is liftably arranged on Insulation test bracket, after positioning component is to lithium battery positioning, carries out short-circuit test to the lithium battery on Insulation test position；Short circuit tester is electrically connected with Insulation test component, for showing short-circuit test result.The short-circuit test mechanism of the utility model can synchronize between detection anode ear and negative electrode lug, between anode ear and aluminum plastic film and between negative electrode lug and aluminum plastic film whether short circuit, save detection time, improve detection efficiency.
Description
Technical field
The utility model belongs to flexible package lithium cell production technical field more particularly to a kind of short circuit of flexible package lithium cell
Mechanism for testing.
Background technique
Flexible package lithium cell has many advantages, such as having a safety feature, is light-weight, capacity is big, internal resistance is small, flexible design,
Therefore it is widely used in the fields such as mobile terminal, electric car, wind generator system.
Flexible package lithium cell includes battery core, the anode ear for being electrically connected in battery core respectively and negative electrode lug and for encapsulating electricity
The aluminum plastic film of core.Soft package lithium battery production in problem first is that, inside battery be easy to happen physical contact and generate short circuit,
Short circuit, which occurs, for flexible package lithium cell makes battery core performance by strong influence, therefore, accurately diagnoses the short-circuit feelings inside battery core
Condition is extremely important.
Lithium battery interior short circuit is there are two types of form: one is by battery core during lamination and flexible package, the collection of anode and cathode
Fluid breakthrough electrolyte membrance occurs physical contact and forms short circuit；Another kind is battery core during charge and discharge cycles, due to
Electrode active material and electrolyte membrane materials itself have played the conducting of local electronic caused by chemical change.
Have many equipment on lithium battery short-circuit detecting device market plane at present, as battery short circuit comprehensive tester, multimeter,
It is remotely controlled high current short-circuiting means etc., all only a certain item short circuit of single test battery core, such as multimeter can only test battery core short circuit,
But it can not test aluminum plastic film short circuit；Same battery short circuit comprehensive tester also only shows battery short circuit, cannot distinguish between battery core short circuit
Or aluminum plastic film short circuit；The either positive and negative test pencil of man-hour manually hand-held short circuit tester individually successively measures lithium battery the two poles of the earth, cathode
With shell, anode and shell, short-circuit conditions are judged according to the deflection of electric current pointer.Therefore, problems of the prior art
Be: lithium battery short-circuit test device is complicated for operation, and accuracy rate is low, leads to often have short-circuit lithium battery that cannot be detected, flows to
Next manufacturing procedure, cause it is unnecessary scrap, and test operation is complicated big, low efficiency, and product cost is caused to rise.
Utility model content
(1) purpose of utility model
The purpose of the utility model is to provide a kind of short-circuit test mechanisms of flexible package lithium cell, solve in the prior art
Short-circuit test device test operation complexity is big, low efficiency, problem at high cost.
(2) technical solution
To solve the above problems, on the one hand the utility model provides a kind of short-circuit test mechanism of flexible package lithium cell,
Short-circuit detecting for flexible package lithium cell, comprising:
Rack；
Insulation test bracket, is slidably arranged in rack；
Positioning component is liftably arranged on Insulation test bracket, for carrying out to the lithium battery on Insulation test position
Positioning；
Insulation test component is liftably arranged on Insulation test bracket, right after positioning component is to lithium battery positioning
Lithium battery on Insulation test position carries out short-circuit test；
Short circuit tester is electrically connected with Insulation test component, for showing short-circuit test result.
Further, the short-circuit test of lithium battery includes: the short-circuit test between anode ear and negative electrode lug, anode ear and aluminium
The short-circuit test between short-circuit test and negative electrode lug and aluminum plastic film between plastic film.
Further, Insulation test bracket includes:
Short-circuit test bracket, in hollow quadrilateral structure, short-circuit test bracket includes that two short circuits arranged side by side are surveyed
Examination vertical plate and the short-circuit test support plate for being mounted on vertical plate upper end；
Locating support is arranged above short-circuit test bracket, and locating support includes: four positioning vertical columns and is mounted on four
The positioning support plate of a positioning vertical column upper end.
Further, positioning component includes: positioning plate, is liftably arranged in below Insulation test bracket, can be to exhausted
Lithium battery on edge test position is positioned.
Further, positioning component includes:
Upper and lower air cylinders are positioned, are arranged on Insulation test bracket, output end is connect with positioning plate.
Further, positioning component includes:
Front and back positioning cylinder is arranged on Insulation test bracket, and output end is connect with positioning plate.
Further, Insulation test component includes:
Probe support is arranged in short-circuit test support plate and is symmetricly set on the two sides of positioning component；
Detection probe component, liftable are arranged below Insulation test bracket, can carry out in positioning component to lithium battery
It is short to anode ear, negative electrode lug or the anode ear positioned at lithium battery two sides, the negative electrode lug progress that are located at lithium battery the same side after positioning
Drive test examination.
Further, Insulation test component further include:
Probe in detecting cylinder is arranged on probe support, and output end is connect with detection probe component.
Further, detection probe component includes anode ear test probe, negative electrode lug test probe and pierces through knife, anode
Ear test probe, negative electrode lug test probe and puncture knife are respectively provided with four test probes.
Further, positioning component further include:
Pressure cylinder is arranged on locating support, and output end is connect with positioning plate, can control and maintain positioning plate
Pressure.
(3) beneficial effect
The above-mentioned technical proposal of the utility model has following beneficial technical effect: the flexible-packaged lithium electricity of the utility model
The short-circuit test mechanism in pond tests probe, negative electrode lug tests probe and pierces through knife and can synchronize to anode by setting anode ear
Short-circuit test is carried out between ear and negative electrode lug, between anode ear and aluminum plastic film and between negative electrode lug and aluminum plastic film, with existing skill
Art is compared, and the short-circuit test mechanism of the utility model realizes the automation of test, improve testing efficiency, reduce test at
This.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of the short-circuit test mechanism of the flexible package lithium cell of the utility model；
Fig. 2 is the second structural representation of the short-circuit test mechanism of the flexible package lithium cell of the utility model.
Appended drawing reference:
28 Insulation test brackets, 31 test platforms, 32 probe in detecting cylinders, 33 positioning upper and lower air cylinders, 34 Insulation test groups
Part, 38 pressure cylinders, 39 positioning front and rear cylinderss, 40 lithium batteries, 41 test probes, 47 detection probe components, 48 short-circuit tests are vertical
Plate, 49 short-circuit test support plates, 50 probe supports, 51 positioning vertical columns, 52 positioning support plates, 53 Insulation test positions, 54 positioning plates.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment
And referring to attached drawing, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid not
Necessarily obscure the concept of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
The limitation of novel protected range.
In order to solve in the prior art, short-circuit test device is complicated for operation, testing efficiency is low and what test took a long time asks
Topic, the utility model provide a kind of short-circuit test mechanism of flexible package lithium cell.
The short-circuit test mechanism of the flexible package lithium cell of the utility model is visited using anode ear test probe, negative electrode lug test
It is whether short-circuit between the anode ear and negative electrode lug of needle detection lithium battery electric core, using anode ear test probe, pierce through knife detection lithium
It is whether short-circuit between the anode ear and aluminum plastic film of battery battery core, using negative electrode lug, the negative electrode lug of puncture knife detection lithium battery electric core
Whether short-circuit between aluminum plastic film, three, which synchronizes, is detected, and compared with the existing technology, is saved detection time, is improved inspection
Efficiency is surveyed, testing cost is reduced.
As shown in Figure 1, the short-circuit test mechanism of the flexible package lithium cell of the utility model, for the short of flexible package lithium cell
Road detection, comprising: rack (not shown), test platform 31, Insulation test bracket 28, positioning component (not shown),
Insulation test component 34 and short circuit tester (not shown).Wherein, Insulation test bracket 28, is slidably arranged in rack；
Positioning component is liftably arranged on Insulation test bracket 28, for positioning to the lithium battery on Insulation test position 53；
Insulation test component 34 is liftably arranged on Insulation test bracket 28, after positioning component positions lithium battery 40, to exhausted
The lithium battery 40 that edge is tested on position 53 carries out short-circuit test；Short circuit tester is electrically connected, for showing with Insulation test component 34
Short-circuit test result.The short-circuit test of lithium battery includes: the short-circuit test between anode ear and negative electrode lug, anode ear and aluminum plastic film
Between short-circuit test and negative electrode lug and aluminum plastic film between short-circuit test.Specifically, Insulation test component 34 can be upper and lower
Movement, when Insulation test component 34 moves downwardly to Insulation test position 53, the anode ear test probe of Insulation test component 34,
Negative electrode lug tests probe and pierces through knife synchronizing moving to Insulation test position 53, with the lithium battery 40 at Insulation test position 53
Anode ear, negative electrode lug and aluminum plastic film contact, show short-circuit test result by short circuit tester.
Using the embodiments of the present invention, the short-circuit test mechanism of the lithium battery of the utility model can synchronize realization
Short-circuit test and negative electrode lug and aluminum plastic film to the short-circuit test between anode ear and negative electrode lug, between anode ear and aluminum plastic film
Between short-circuit test, detection efficiency is high.
In a wherein embodiment of the utility model, Insulation test bracket 28 above-mentioned includes: short-circuit test bracket
(not shown) and locating support (not shown).Wherein, short-circuit test bracket, in hollow quadrilateral structure, short circuit
Test bracket includes two short-circuit test vertical plates 48 arranged side by side and the short-circuit test support plate 49 for being mounted on vertical plate upper end；
Locating support is arranged above short-circuit test bracket, and locating support includes: four positioning vertical columns 51 and is mounted on four positioning
The positioning support plate 52 of 51 upper end of column.The structure of above structure is simple, is easily worked.
In a wherein embodiment of the utility model, positioning component above-mentioned includes: positioning plate 54, positions gas up and down
Cylinder 33 and front and back positioning cylinder.Wherein, positioning plate 54 are liftably arranged in below Insulation test bracket 28, can be to insulation
Lithium battery 40 on test position 53 is positioned.Position upper and lower air cylinders 33, be arranged on Insulation test bracket 28, output end with
Positioning plate 54 connects.Front and back positioning cylinder is arranged on Insulation test bracket 28, and output end is connect with positioning plate 54.It is above-mentioned
The structure of positioning component is simple, can be realized the precise positioning of lithium battery 40.
In a wherein embodiment of the utility model, positioning component above-mentioned further include: pressure cylinder 38, setting exist
On locating support, output end is connect with positioning plate 54, can control and maintain the pressure of positioning plate 54.38 energy of pressure cylinder
It is enough arbitrarily to be adjusted according to required pressure.
In a wherein embodiment of the utility model, Insulation test component 34 above-mentioned includes: probe support 50, inspection
Probing needle assemblies 47 and probe in detecting cylinder 32.Wherein, probe support 50 are arranged in short-circuit test support plate 49 and symmetrically set
It sets in the two sides of positioning component；Detection probe component 47, liftable are arranged below Insulation test bracket 28, can be in positioning group
After part positions lithium battery 40, to positioned at the anode ear of 40 the same side of lithium battery, negative electrode lug or positioned at 40 two sides of lithium battery
Anode ear, negative electrode lug carry out short-circuit test.Probe in detecting cylinder 32 is arranged on probe support 50, output end and detection
Probe assembly 47 connects.The structure of above-mentioned Insulation test component 34 is simple, can synchronize and realize between anode ear and negative electrode lug
Short-circuit test, the short-circuit test between short-circuit test and negative electrode lug and aluminum plastic film between anode ear and aluminum plastic film.
In a wherein embodiment of the utility model, detection probe component 47 above-mentioned includes: that anode ear test is visited
Needle, negative electrode lug test probe and puncture knife, anode ear test probe, negative electrode lug test probe and puncture knife are respectively provided with four
Root tests probe 41.
Be illustrated below to the realization process of the utility model: manually or mechanically lithium battery 40 is placed into test and put down by hand
At the Insulation test position 53 of platform 31, positioning component positions lithium battery 40, and after the completion of positioning, test probe 41 declines, and 2
Probe analog signal grouping each other is detected, while arranging that two root thorns wear knife and carry out short circuit to aluminum plastic film with tab vertical direction
Detection, testing requirements, which pierce through knife and first contact battery airbag side and then test probe 41, then contacts battery pole ear, after the completion of detection
Test probe 41 moves up, and detection probe component 47 retracts original position, if detecting instrument output " OK " indicates test passes, does not occur short
Road problem, if detecting instrument output " NG " indicates test failure, and can be particularly shown be between anode ear, negative electrode lug, anode
There is short circuit in which part between ear and aluminum plastic film or between negative electrode lug and aluminum plastic film.
The short-circuit test mechanism of the flexible package lithium cell of the utility model can between anode ear and negative electrode lug, anode ear
Whether short circuit synchronizes detection between aluminum plastic film and between negative electrode lug and aluminum plastic film, improves detection efficiency, reduces
Detection is time-consuming.
It should be understood that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality
With novel principle, without constituting limitations of the present invention.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.In addition,
The appended claims for the utility model are intended to cover to fall into attached claim scope and boundary or this range and boundary
Whole change and modification in equivalent form.
Claims (10)
1. a kind of short-circuit test mechanism of flexible package lithium cell, the short-circuit detecting for flexible package lithium cell, which is characterized in that packet
It includes: rack；
Insulation test bracket, is slidably arranged in rack；
Positioning component is liftably arranged on the Insulation test bracket, for carrying out to the lithium battery on Insulation test position
Positioning；
Insulation test component is liftably arranged on the Insulation test bracket, right after positioning component is to lithium battery positioning
Lithium battery on Insulation test position carries out short-circuit test；
Short circuit tester is electrically connected, for showing short-circuit test result with the Insulation test component.
2. the short-circuit test mechanism of flexible package lithium cell as described in claim 1, which is characterized in that the short circuit of the lithium battery
Test includes: the short-circuit test between anode ear and negative electrode lug, short-circuit test and negative electrode lug between anode ear and aluminum plastic film
Short-circuit test between aluminum plastic film.
3. the short-circuit test mechanism of flexible package lithium cell as described in claim 1, which is characterized in that the Insulation test bracket
Include:
Short-circuit test bracket, in hollow quadrilateral structure, the short-circuit test bracket includes that two short circuits arranged side by side are surveyed
Examination vertical plate and the short-circuit test support plate for being mounted on the vertical plate upper end；
Locating support is arranged above the short-circuit test bracket, and the locating support includes: four positioning vertical columns and installation
Positioning support plate four positioning vertical column upper ends.
4. the short-circuit test mechanism of flexible package lithium cell as claimed in claim 3, which is characterized in that the positioning component packet
Include: positioning plate is liftably arranged in below the Insulation test bracket, can determine the lithium battery on Insulation test position
Position.
5. the short-circuit test mechanism of flexible package lithium cell as claimed in claim 4, which is characterized in that the positioning component packet
It includes:
Upper and lower air cylinders are positioned, are arranged on the Insulation test bracket, output end is connect with the positioning plate.
6. the short-circuit test mechanism of flexible package lithium cell as claimed in claim 4, which is characterized in that the positioning component packet
It includes:
Front and back positioning cylinder is arranged on the Insulation test bracket, and output end is connect with the positioning plate.
7. the short-circuit test mechanism of flexible package lithium cell as claimed in claim 3, which is characterized in that the Insulation test component
Include:
Probe support is arranged in the short-circuit test support plate and is symmetricly set on the two sides of positioning component；
Detection probe component, liftable are arranged below the Insulation test bracket, can be in the positioning component to lithium battery
After being positioned, to be located at the anode ear of lithium battery the same side, negative electrode lug or anode ear positioned at lithium battery two sides, negative electrode lug into
Row short-circuit test.
8. the short-circuit test mechanism of flexible package lithium cell as claimed in claim 7, which is characterized in that the Insulation test component
Further include:
Probe in detecting cylinder is arranged on the probe support, and output end is connect with the detection probe component.
9. the short-circuit test mechanism of flexible package lithium cell as claimed in claim 7 or 8, which is characterized in that the detection probe
Component includes anode ear test probe, negative electrode lug test probe and pierces through knife, and the anode ear tests probe, the negative electrode lug
Test probe and the puncture knife are respectively provided with four test probes.
10. such as the short-circuit test mechanism of the described in any item flexible package lithium cells of claim 5-6, which is characterized in that described fixed
Hyte part further include:
Pressure cylinder is arranged on the locating support, and output end is connect with the positioning plate, can control and maintain described
The pressure of positioning plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821814506.6U CN209044043U (en) | 2018-11-02 | 2018-11-02 | A kind of short-circuit test mechanism of flexible package lithium cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821814506.6U CN209044043U (en) | 2018-11-02 | 2018-11-02 | A kind of short-circuit test mechanism of flexible package lithium cell |
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| CN209044043U true CN209044043U (en) | 2019-06-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889683A (en) * | 2021-12-08 | 2022-01-04 | 广州擎天实业有限公司 | Power battery rapid remodeling needle bed |
-
2018
- 2018-11-02 CN CN201821814506.6U patent/CN209044043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889683A (en) * | 2021-12-08 | 2022-01-04 | 广州擎天实业有限公司 | Power battery rapid remodeling needle bed |
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