CN210744070U - Liquid injection tool for detecting electrolyte injection amount - Google Patents
Liquid injection tool for detecting electrolyte injection amount Download PDFInfo
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- CN210744070U CN210744070U CN201922183530.5U CN201922183530U CN210744070U CN 210744070 U CN210744070 U CN 210744070U CN 201922183530 U CN201922183530 U CN 201922183530U CN 210744070 U CN210744070 U CN 210744070U
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- liquid injection
- electrolyte
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- detecting
- partition plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a annotate liquid frock for detecting electrolyte notes liquid volume, including the casing, at least a transverse baffle has been laid to the fixed at the inner chamber interval of casing, and transverse baffle separates into a plurality of independent cavitys with the casing inner chamber in proper order, is located the fixed longitudinal baffle that is provided with in one side that is close to the casing in this cavity, and longitudinal baffle separates into notes liquid district and observation area with this cavity in proper order, the utility model discloses can be applicable to the electrolyte matching nature experiment of battery to multiunit electrolyte matching nature experiment can be carried out to the same batch, convenient to use, and can be accurate detect out the required electrolyte volume of battery, the experimental data accuracy is high, and overall structure is simple, and is experimental swift, the practicality is good, can be applicable to the battery of multiple model.
Description
Technical Field
The utility model relates to a annotate the liquid frock, specific theory relates to a be used for testing to metal-back lithium ion battery and annotate liquid, and the mode is simple, the processing ease can be applicable to the battery of various models, and strong adaptability's the notes liquid frock that is used for detecting electrolyte injection volume belongs to new energy battery technical field.
Background
In recent years, with the increasing shortage of petroleum resources, new energy industries are increasingly seen, and become national key research projects. As an important component of the new energy industry, the lithium ion battery industry is rapidly developing. Metal-shell lithium ion batteries have a large share in the market.
Lithium batteries have five major components: the matching performance of the electrolyte and the main materials of the positive electrode and the negative electrode is very important, so that the matching performance experiment of the electrolyte and the main materials of the positive electrode and the negative electrode can be carried out for many times during battery design, and the injection amount of the electrolyte also influences the cycle life of the battery, the capacity of the battery and the performance of the lithium ion battery.
Obviously, it is not advisable to use the liquid injection equipment that current production battery used to carry out the matching experiment, because when carrying out the experiment of electrolyte matching, for the accuracy of assurance experimental data, must ensure the clean degree of liquid injection equipment, consequently need use the electrolyte that awaits measuring to wash the passageway that annotates the electrolyte of liquid equipment and flow through, the use amount of electrolyte is very big when wasing, cause serious waste, and it is very troublesome to wash the notes liquid passageway, seriously restrict work efficiency, and the test finishes still need reuse the electrolyte that uses in the production to wash again, waste time and energy, greatly improve manufacturing cost.
Therefore, in order to solve the above problems, a simple and fast liquid injection tool with less electrolyte waste needs to be designed to quickly complete the matching experiment of the electrolyte.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a be used for testing to metal-back lithium ion battery and annotate liquid, overall structure is simple, the handling ease, strong adaptability's the notes liquid frock that is used for detecting electrolyte injection volume.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a annotate liquid frock for detecting electrolyte notes liquid volume, includes the casing, and at least a horizontal separators has been laid to the fixed interval in the inner chamber of casing, and horizontal separators separates the casing inner chamber into a plurality of independent cavitys in proper order, is located the fixed longitudinal baffle that is provided with in one side that is close to the casing in this cavity, and longitudinal baffle separates this cavity into in proper order annotates liquid district and observation district.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the integral structure of the shell is in a square box shape made of stainless steel, and the inner cavity of the shell is an open inner cavity.
Further optimization: the longitudinal partition plate is provided with a through hole at the position below, and the lower side edge of the through hole penetrates through the lower part of the longitudinal partition plate.
Further optimization: the liquid injection area and the observation area are communicated with each other through holes respectively.
Further optimization: and warning lines are arranged on the longitudinal partition plates and at positions close to the through holes.
Further optimization: and the distance from the warning line to the lower end face of the inner cavity of the shell is equal to the distance from the end face of the pole of the lithium ion battery to be injected to the injection hole.
Further optimization: handles are respectively and fixedly arranged on the two side surfaces of the shell.
The utility model adopts the above technical scheme, when using, the environment of experiment liquid injection is gone on under the environment that the dew point is < -40 ℃, the lithium ion battery of treating the liquid injection at first carries out serial numbering and weighs, then records the serial number of the lithium ion battery of treating the liquid injection and its weight one by one, then puts the lithium ion battery of treating the liquid injection (makes the utmost point post of lithium ion battery contact the up end of casing inner chamber) vertically in proper order and puts upside down and enter the liquid injection district;
and then, respectively pouring corresponding electrolyte to be tested into the observation areas, wherein the pouring amount of the electrolyte exceeds the upper part of the warning line, so that the electrolyte in the electrolyte injection area can submerge into the electrolyte injection hole of the lithium ion battery, and classification records of the electrolyte are made.
And then putting the liquid injection tool with the battery into a vacuum box, opening a vacuum button, vacuumizing until the vacuum degree is less than-0.09 MPa, and standing for 30 min.
And (3) closing a vacuum button of the vacuum box, opening a nitrogen switch, filling nitrogen into the vacuum box (the dew point of the nitrogen is less than-40 ℃), and at the stage, enabling the electrolyte in the liquid injection area to enter the lithium ion battery through the liquid injection hole, wherein the lithium ion battery autonomously absorbs the electrolyte under the protection of the nitrogen in a vacuum state.
Then opening the vacuum chamber door, looking over the liquid level height of the electrolyte in the observation area and the liquid injection area through the observation area: when the liquid level of the electrolyte is higher than the warning line, the liquid injection of the lithium ion battery is finished;
when the liquid level of the electrolyte is lower than the warning line, the electrolyte needs to be added into the observation area and the liquid injection area again, and the electrolyte is sent into the vacuum box to be injected repeatedly until the liquid level of the electrolyte is higher than the warning line after the liquid injection is finished.
And taking out the battery after liquid injection, weighing again, calculating the liquid injection amount of the electrolyte, and sealing by using a Mala tape for placement.
After the liquid injection tool is used, the liquid injection tool for detecting the liquid injection amount of the electrolyte is cleaned by alcohol, and after the liquid injection tool is cleaned, the liquid injection tool is placed in a dry and cool place for storage.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, can be applicable to the electrolyte matching nature experiment of battery to can carry out multiunit electrolyte matching nature experiment in the same batch, convenient to use, and can be accurate detect out the required electrolyte volume of battery, the experimental data accuracy is high, and overall structure is simple, and is experimental swift, the practicality is good, can be applicable to the battery of multiple model.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a partition board according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lithium ion battery according to an embodiment of the present invention.
In the figure: 1-a shell; 2-transverse partition board; 3-longitudinal partition board; 31-a through hole; 4-a liquid injection zone; 5-observation area; 6-a handle; 7-a lithium ion battery; 71-pole; 72-pour hole.
Detailed Description
Example (b): referring to fig. 1-3, a liquid injection tool for detecting the liquid injection amount of an electrolyte includes a housing 1, at least one transverse partition plate 2 is fixedly arranged in an inner cavity of the housing 1 at intervals, the transverse partition plate 2 sequentially partitions the inner cavity of the housing 1 into a plurality of independent cavities, a longitudinal partition plate 3 is fixedly arranged at one side of the cavity close to the housing 1, and the longitudinal partition plate 3 sequentially partitions the cavity into a liquid injection area 4 and an observation area 5.
The whole structure of the shell 1 is in a square box shape made of stainless steel, and an open inner cavity is arranged in the shell.
By the design, the shell 1 is made of stainless steel, so that the overall structure of the shell 1 is more stable, and the corrosion of electrolyte to the shell 1 can be prevented.
The transverse partition plates 2 are used for preventing the plurality of independent cavities divided in the shell 1 from communicating with each other.
The transverse partition plates 2 are arranged along the length direction of the shell 1, and the transverse partition plates 2 are uniformly arranged along the width direction of the shell 1 at intervals.
The longitudinal partition plate 3 is provided with a through hole 31 at a position below the longitudinal partition plate, the whole through hole 31 is of a square structure, and the lower side edge of the through hole 31 penetrates through the lower part of the longitudinal partition plate 3.
The liquid injection zone 4 and the observation zone 5 are communicated with each other through holes 31 respectively.
By adopting the design, the liquid injection region 4 and the observation region 5 can be communicated with each other through the through hole 31 on the longitudinal partition plate 3, and the lower side edge of the through hole 31 penetrates through the lower part of the longitudinal partition plate 3, so that the liquid levels of the electrolyte in the liquid injection region 4 and the electrolyte in the observation region 5 can be the same.
The longitudinal partition 3 is positioned on one side surface of the observation area 5, and a warning line 8 is arranged at a position close to the through hole 31.
The distance between the warning line 8 and the lower end face of the inner cavity of the shell 1 is equal to the distance between the end face of the pole 71 of the lithium ion battery 7 and the liquid injection hole 72.
Handles 6 are fixedly arranged on two side faces of the shell 1 respectively, and the overall structure of each handle 6 is U-shaped.
Design like this, accessible handle 6 is conveniently got and is taken this notes liquid frock that is used for detecting electrolyte and annotates liquid volume.
In this embodiment, the number of the transverse partition plates 2 is two, the two transverse partition plates 2 are arranged at intervals to sequentially divide the inner cavity of the shell 1 into three independent cavities, the number of the longitudinal partition plates 3 is three, and the three longitudinal partition plates 3 are respectively and sequentially arranged in the three independent cavities;
the three independent cavities are respectively divided into an observation area 5 and a liquid injection area 4 by a longitudinal partition plate 3 in sequence, and the corresponding observation area 5 and the liquid injection area 4 are communicated with each other.
During use, the environment of experimental liquid injection is carried out in the environment with the dew point less than-40 ℃, the lithium ion batteries to be injected are sequentially numbered and weighed, then the numbers and the weights of the lithium ion batteries to be injected are recorded one by one, and then the lithium ion batteries to be injected are sequentially vertically placed upside down (the pole 71 of the lithium ion battery 7 is in contact with the upper end surface of the inner cavity of the shell 1) to enter the liquid injection area 4;
and then, pouring corresponding electrolyte to be tested into the observation area 5 respectively, wherein the pouring amount of the electrolyte exceeds the upper part of the warning line 8, so that the electrolyte in the electrolyte injection area 4 can submerge into the electrolyte injection hole 72 of the lithium ion battery 7, and classification records of the electrolyte are made.
And then putting the liquid injection tool with the battery into a vacuum box, opening a vacuum button, vacuumizing until the vacuum degree is less than-0.09 MPa, and standing for 30 min.
And (3) closing a vacuum button of the vacuum box, opening a nitrogen switch, filling nitrogen into the vacuum box (the dew point of the nitrogen is less than-40 ℃), and at this stage, enabling the electrolyte in the liquid injection region 4 to enter the lithium ion battery 7 through the liquid injection hole 72, wherein the lithium ion battery 7 autonomously absorbs the electrolyte under the protection of the nitrogen in a vacuum state.
Then the vacuum chamber door is opened, and the liquid level height of the electrolyte in the observation area 5 and the electrolyte injection area 4 is checked through the observation area 5: when the liquid level of the electrolyte is higher than the warning line 8, the liquid injection of the lithium ion battery 7 is finished;
when the liquid level of the electrolyte is lower than the warning line 8, the electrolyte needs to be added into the observation area 5 and the liquid injection area 4 again, and the electrolyte is sent into the vacuum box to repeat liquid injection operation until the liquid level of the electrolyte is higher than the warning line 8 after the liquid injection is finished.
And taking out the battery after liquid injection, weighing again, calculating the liquid injection amount of the electrolyte, and sealing by using a Mala tape for placement.
After the liquid injection tool is used, the liquid injection tool for detecting the liquid injection amount of the electrolyte is cleaned by alcohol, and after the liquid injection tool is cleaned, the liquid injection tool is placed in a dry and cool place for storage.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (7)
1. The utility model provides a annotate liquid frock for detecting electrolyte injection volume which characterized in that: the liquid injection observation device comprises a shell (1), wherein at least one transverse partition plate (2) is fixedly arranged in an inner cavity of the shell (1) at intervals, the inner cavity of the shell (1) is sequentially divided into a plurality of independent cavities by the transverse partition plate (2), a longitudinal partition plate (3) is fixedly arranged on one side, close to the shell (1), in the cavity, and the longitudinal partition plate (3) sequentially divides the cavity into a liquid injection area (4) and an observation area (5).
2. The liquid injection tool for detecting the liquid injection amount of the electrolyte according to claim 1, characterized in that: the integral structure of the shell (1) is in a square box shape made of stainless steel, and the inner cavity of the shell is an open inner cavity.
3. The liquid injection tool for detecting the liquid injection amount of the electrolyte according to claim 2, characterized in that: the longitudinal partition plate (3) is provided with a through hole (31) at the position below, and the lower side edge of the through hole (31) penetrates through the lower part of the longitudinal partition plate (3).
4. The liquid injection tool for detecting the liquid injection amount of the electrolyte according to claim 3, characterized in that: the liquid injection area (4) and the observation area (5) are communicated with each other through holes (31) respectively.
5. The liquid injection tool for detecting the liquid injection amount of the electrolyte according to claim 4, wherein the liquid injection tool comprises: and a warning line (8) is arranged on the longitudinal partition plate (3) and at a position close to the through hole (31).
6. The liquid injection tool for detecting the liquid injection amount of the electrolyte according to claim 5, characterized in that: and the distance from the warning line (8) to the lower end face of the inner cavity of the shell (1) is equal to the distance from the end face of the pole of the lithium ion battery to be injected to the injection hole.
7. The liquid injection tool for detecting the liquid injection amount of the electrolyte according to claim 6, wherein the liquid injection tool comprises: handles (6) are respectively and fixedly arranged on the two side surfaces of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183530.5U CN210744070U (en) | 2019-12-09 | 2019-12-09 | Liquid injection tool for detecting electrolyte injection amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183530.5U CN210744070U (en) | 2019-12-09 | 2019-12-09 | Liquid injection tool for detecting electrolyte injection amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210744070U true CN210744070U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922183530.5U Active CN210744070U (en) | 2019-12-09 | 2019-12-09 | Liquid injection tool for detecting electrolyte injection amount |
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| CN (1) | CN210744070U (en) |
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2019
- 2019-12-09 CN CN201922183530.5U patent/CN210744070U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201029 Address after: 261000 No.2 workshop, No.9, hatching 1st lane, Yuqing community, Xincheng street, high tech Zone, Weifang City, Shandong Province Patentee after: Shandong Juneng lithium battery technology Co., Ltd Patentee after: Weifang Energy-accumulating Battery Co.,Ltd. Address before: 261000 Bohai Road, Yangzi Street, Binhai District, Weifang City, Shandong Province, and the intersection of Dongerjie, Xiangjiang Patentee before: Weifang Energy-accumulating Battery Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A liquid injection tooling for detecting the liquid injection amount of electrolyte Effective date of registration: 20220323 Granted publication date: 20200612 Pledgee: Weifang Bank Co.,Ltd. Xincheng sub branch Pledgor: Weifang Energy-accumulating Battery Co.,Ltd. Registration number: Y2022980002981 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |