CN217112451U - Power lithium battery cover plate overturning testing device - Google Patents
Power lithium battery cover plate overturning testing device Download PDFInfo
- Publication number
- CN217112451U CN217112451U CN202220665305.4U CN202220665305U CN217112451U CN 217112451 U CN217112451 U CN 217112451U CN 202220665305 U CN202220665305 U CN 202220665305U CN 217112451 U CN217112451 U CN 217112451U
- Authority
- CN
- China
- Prior art keywords
- power lithium
- threaded rod
- splint
- lithium battery
- fixing device
- 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.)
- Expired - Fee Related
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 44
- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 239000000523 sample Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract 3
- 230000007306 turnover Effects 0.000 description 8
- 238000011161 development Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a power lithium battery cover plate overturning testing device, which comprises a fixing device main body and a gas cylinder, wherein the outer side wall of the fixing device main body is provided with a multimeter and a temperature display meter, the inner cavity of the fixing device main body is provided with a first clamping plate and a second clamping plate, one side of the two clamping plates is oppositely arranged between the first clamping plate and the second clamping plate and is fixedly connected with a spring, the two ends of the top part of the first clamping plate are respectively provided with a negative electrode probe and a positive electrode probe, a clamping channel for placing a battery A is reserved between the first clamping plate and the second clamping plate, the top part of the fixing device main body is provided with a butt joint channel communicated with the clamping channel, the top part of the fixing device main body is provided with a threaded rod in threaded fit with the butt joint channel, the extending direction of the threaded rod is vertical to the extending direction of the clamping channel, one end of the threaded rod extends into the butt joint channel, the top end of the threaded rod is provided with a gas transmission pipeline connected with the gas cylinder, the utility model discloses structural design is simple, and is easy and simple to handle, effectively guarantees the test data accuracy nature.
Description
Technical Field
The utility model relates to a power lithium cell detects technical field, especially relates to a power lithium cell apron upset testing arrangement.
Background
The power lithium ion battery is a lithium ion battery with the capacity of more than 315H, can be used for driving equipment, instruments, models, vehicles and the like through discharging at present, is used as one type of secondary batteries, and has the advantages of high working voltage, large specific energy, small volume, light weight, long cycle life, low self-discharge rate, no memory effect and no pollution. With the development of the microelectronic technology in the twentieth century, the number of miniaturized devices is increasing, and high requirements are made on power supplies. The lithium battery has then entered a large-scale practical stage.
With the development of society and the increasing severity of environmental pollution, the vigorous development of power batteries and the wide market application, the safety of power lithium batteries is also concerned. At present, in order to improve the safety of the power lithium battery, an overturning sheet is added in a cover plate of the power lithium battery. When the internal pressure of the battery reaches a certain value, the turnover sheet is turned over, so that the anode and the cathode of the battery are communicated to form an external short circuit, and the external short circuit can generate a large amount of heat, so that the internal fuse of the battery is caused, and the battery is disabled. Therefore, the internal pressure and the battery temperature parameters are the key for ensuring the safety of the power battery when the power battery cover plate turnover piece is turned over. And because the power lithium batteries of different models are of different sizes, the power lithium batteries need to be fixed by fixing clamping devices of different sizes when being tested, so that the detection cost is improved. Therefore, the turning test device for the cover plate of the power lithium battery is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power lithium battery cover board upset testing arrangement, aim at are convenient for to the test of power lithium battery cover board upset piece upset, and battery internal pressure and temperature value when can accurately obtain the upset piece upset to confirm the security of power lithium cell.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a turnover testing device for a cover plate of a power lithium battery comprises a fixing device main body, wherein springs are symmetrically arranged on the left side wall and the right side wall of an inner cavity of the fixing device main body, a first clamping plate is arranged on the left side of each spring, a second clamping plate is arranged on the right side of each spring, a negative probe is arranged at the top of each first clamping plate, a power lithium battery is arranged between each first clamping plate and the corresponding second clamping plate, a first pull rod is fixedly arranged on the right side of each first clamping plate, a second pull rod is fixedly arranged on the left side of each second clamping plate, a threaded rod is screwed on the top of the fixing device main body and is positioned right above the power lithium battery, a gas transmission pipeline connected with a gas cylinder is arranged at the top end of the threaded rod, a control valve and a barometer are arranged at a gas outlet of the gas cylinder, the control valve is positioned on the right side of the barometer, a multimeter and a temperature display are arranged on the right side wall of the fixing device main body, and the multimeter is located on the left side of the temperature display meter and the multimeter is located on the left side of the thermometer.
Preferably, among the above-mentioned power lithium battery cover board upset testing arrangement, first splint and second splint paste the near side each other and are equipped with the silica gel pad, and press close to one side of power lithium cell and are equipped with anti-skidding line, and the silica gel pad has fine radiating effect, makes the power lithium cell dispel the heat fast, anti-skidding line makes the power lithium cell centre gripping more firm.
Preferably, among the above-mentioned power lithium battery cover board upset testing arrangement, first pull rod and second pull rod outer wall all cup joint the antiskid cover, and the landing when avoiding the hand power pull rod.
Preferably, among the above-mentioned power lithium battery cover board upset testing arrangement, the outer wall of threaded rod has cup jointed and has pushed away the handle, and pushes away the handle and form by turning handle and two sets of push rod combinations, the push rod symmetry is fixed on the outer wall around the turning handle, conveniently rotates the threaded rod, makes the threaded rod rotatory stretch into inside the battery.
Preferably, in the above turning test device for the cover plate of the power lithium battery, a gas transmission channel with two through ends is arranged inside the threaded rod, so that the compressed gas of the gas cylinder is charged into the power lithium battery through the gas transmission channel of the threaded rod.
Preferably, among the above-mentioned power lithium cell apron upset testing arrangement, the bottom of threaded rod is equipped with annular rubber cushion, and gas leakage when avoiding threaded rod screw in battery to aerify guarantees the leakproofness of battery.
Preferably, among the above-mentioned power lithium battery cover board upset testing arrangement, the inner chamber left and right sides symmetry of spring 2 is provided with spacing post, and the external diameter of spacing post cooperatees with the internal diameter of spring, and is effectual spacing to the spring, reduces the spring and drops.
The utility model has the advantages that:
the utility model has the advantages of reasonable design, it is first: the left side and the right side of the fixing device main body are open, and the fixing device can meet the detection clamping requirements of power lithium batteries with different sizes in an adjusting range;
secondly, the method comprises the following steps: the universal meter is connected with the positive and negative probes and monitors whether the positive and negative electrodes of the battery are conducted, so that whether the turnover piece of the battery cover plate is turned over or not is judged;
thirdly, the method comprises the following steps: the temperature display meter can display the change of the internal temperature of the battery along with the air pressure, and the temperature of the battery is displayed when the turnover piece is turned over, so that the lithium battery is prevented from being damaged due to overhigh temperature of the power lithium battery.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the main structure of the present invention;
fig. 2 is a top view of the main body of the present invention;
FIG. 3 is a schematic view of the structure of the main body of the present invention in use;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a fixing device body, 2-a spring, 3-a first clamping plate, 4-a second clamping plate, 5-a negative electrode probe, 6-a positive electrode probe, 7-a threaded rod, 8-a pushing handle, 9-a universal meter, 10-a temperature display meter, 11-a gas cylinder, 12-a gas pipe, 13-a control valve, 14-a gas pressure meter, 15-a battery, 16-a first pull rod and 17-a second pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment is a turning test device for a cover plate of a power lithium battery, which includes a fixing device body 1, wherein springs 2 are symmetrically disposed on left and right side walls of an inner cavity of the fixing device body 1, a first clamping plate 3 is disposed on a left side of the right spring 2, a second clamping plate 4 is disposed on a right side of the left spring 2, a negative probe 5 is disposed on a top of the first clamping plate 3, a power lithium battery 15 is disposed between the first clamping plate 3 and the second clamping plate 4, a first pull rod 16 is fixedly mounted on a right side of the first clamping plate 5, a second pull rod 17 is fixedly mounted on a left side of the second clamping plate 4, a threaded rod 7 is screwed on a top of the fixing device body 1, the threaded rod 7 is located right above the power lithium battery 15, a gas transmission pipeline 12 connected to a gas cylinder 11 is disposed on a top end of the threaded rod 7, a control valve 13 and a barometer 14 are disposed on a gas outlet of the gas cylinder 11, and the control valve 13 is located on a right side of the barometer 14, the left side of the first clamping plate 3 is provided with the anode probe 6, the right side wall of the fixing device body 1 is provided with the universal meter 9 and the temperature display meter 10, and the universal meter 9 is positioned on the left side of the temperature display meter 10
One specific application of this embodiment is: the utility model has the advantages of reasonable design, when using, fixing device main part 1 is placed horizontally, battery 15 is placed in first splint 3 and second splint 4 from the left and right sides of fixing device main part to fix battery 15, after battery 15 is fixed, the negative probe 5 at the left side top of first splint 3 is screwed to the negative pole of battery 15, the positive probe 6 at the right side is screwed to the positive pole of battery 15, push handle 8 is rotated manually, the bottom of threaded rod 7 is extended into battery 15 through the liquid injection port, the rubber cushion layer sleeved at the bottom of threaded rod is tightly combined with the liquid injection port of battery 15 to ensure the sealing property in the battery, the rubber cushion layer sleeved at the top of threaded rod 7 is sleeved with one end of gas pipe 12 to increase the sealing property between gas pipe 12 and threaded rod top, the connection is completed, control valve 13 is opened to make the compressed gas in gas cylinder 11 pass through gas transmission pipe 12, the gas transmission channel penetrating through the two ends in the interior of threaded rod 7 is inputted into battery 15, continuously inputting compressed gas to observe the universal meter 9 and the temperature display meter 10 to judge whether the turnover sheet is turned over, and reading the numerical values of the temperature display meter 10 and the pressure gauge 14 at the moment of turning over the turnover sheet, thereby measuring the turnover parameters.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a power lithium battery cover board upset testing arrangement, includes fixing device main part (1), its characterized in that: the inner cavity left and right sides wall symmetry of fixing device main part (1) is provided with spring (2), the right side the left side of spring (2) is provided with first splint (3), the left side the right side of spring (2) is provided with second splint (4), the top of first splint (3) is equipped with negative pole probe (5), be provided with power lithium cell battery (15) between first splint (3) and second splint (4), first splint (3) right side fixed mounting has first pull rod (16), second splint (4) left side fixed mounting has second pull rod (17), the top spiro union of fixing device main part (1) has threaded rod (7), threaded rod (7) are located directly over power lithium cell (15), the top of threaded rod (7) is equipped with gas transmission pipeline (12) of being connected with gas cylinder (11), the gas outlet of gas cylinder (11) is equipped with control valve (13) and barometer (14), and control valve (13) are located the right side of barometer (14), the left side of first splint (3) is equipped with anodal probe (6), the right side wall of fixing device main part (1) is equipped with universal meter (9) and temperature display meter (10), and universal meter (9) are located the left side of temperature display meter (10).
2. The turning test device for the cover plate of the power lithium battery as claimed in claim 1, characterized in that: one side that first splint (3) and second splint (4) are pressed close to each other is equipped with the silica gel pad, and presses close to one side of power lithium cell (15) and is equipped with anti-skidding line.
3. The turning test device for the cover plate of the power lithium battery as claimed in claim 1, characterized in that: the outer walls of the first pull rod (16) and the second pull rod (17) are sleeved with anti-slip sleeves.
4. The turning test device for the cover plate of the power lithium battery as claimed in claim 1, characterized in that: the outer wall of threaded rod (7) has cup jointed and has pushed away handle (8), and pushes away handle (8) and form by turning handle and two sets of push rods combination, the push rod symmetry is fixed on the outer wall around the turning handle.
5. The turning test device for the cover plate of the power lithium battery as claimed in claim 1, characterized in that: the threaded rod (7) is internally provided with an air transmission channel with two through ends.
6. The turning test device for the cover plate of the power lithium battery as claimed in claim 1, characterized in that: and an annular rubber cushion layer is arranged at the bottom end of the threaded rod (7).
7. The turning test device for the cover plate of the power lithium battery as claimed in claim 1, characterized in that: the left side and the right side of the inner cavity of the spring (2) are symmetrically provided with limiting columns, and the outer diameters of the limiting columns are matched with the inner diameter of the spring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220665305.4U CN217112451U (en) | 2022-03-24 | 2022-03-24 | Power lithium battery cover plate overturning testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220665305.4U CN217112451U (en) | 2022-03-24 | 2022-03-24 | Power lithium battery cover plate overturning testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217112451U true CN217112451U (en) | 2022-08-02 |
Family
ID=82605726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220665305.4U Expired - Fee Related CN217112451U (en) | 2022-03-24 | 2022-03-24 | Power lithium battery cover plate overturning testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217112451U (en) |
-
2022
- 2022-03-24 CN CN202220665305.4U patent/CN217112451U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |