CN219830440U - Lithium battery electrolyte sampling device - Google Patents
Lithium battery electrolyte sampling device Download PDFInfo
- Publication number
- CN219830440U CN219830440U CN202320999055.2U CN202320999055U CN219830440U CN 219830440 U CN219830440 U CN 219830440U CN 202320999055 U CN202320999055 U CN 202320999055U CN 219830440 U CN219830440 U CN 219830440U
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- China
- Prior art keywords
- needle tube
- control valve
- main
- sampling device
- lithium battery
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 58
- 238000005070 sampling Methods 0.000 title claims abstract description 32
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a lithium battery electrolyte sampling device, which comprises a main needle tube and a side needle tube which are integrally connected; a first control valve is arranged in the main needle tube, the first control valve is controlled by a first control switch, one end of the main needle tube is connected with the propeller, the other end of the main needle tube is connected with a first needle head, and the first needle head is connected with an electrolyte sample bottle; the side needle tube is internally provided with a second control valve, the second control valve is controlled by a second control switch, one end of the side needle tube is also provided with a second needle head, and the second needle head is connected with an electrolyte sampling bottle. The lithium battery electrolyte sampling device does not need to sample in a specific environment, and has the advantages of high accuracy, simplicity in operation and convenience in sampling.
Description
Technical Field
The utility model belongs to the technical field of lithium batteries, and particularly relates to a lithium battery electrolyte sampling device.
Background
The lithium battery electrolyte is a carrier for ion transmission in the battery, plays a role in ion conduction between the positive electrode and the negative electrode of the lithium battery, and ensures that the lithium battery has the advantages of high voltage, high specific energy and the like. The electrolyte is generally prepared from high-purity organic solvent, electrolyte lithium salt, necessary additives and other raw materials according to a certain proportion under certain conditions.
The electrolyte has very strict requirements on moisture, because the lithium hexafluorophosphate which is the lithium salt of the electrolyte has strong deliquescence, trace moisture in the exposed air can be rapidly decomposed, and PF is released 5 While generating white smoke. In order to avoid the influence of moisture on electrolyte, the electrolyte is generally placed in a dehumidification environment when the electrolyte is sampled, a needle is inserted into a sample bottle to absorb part of electrolyte, sampling is completed after the needle is pulled out, one side of the needle is still exposed to air, the electrolyte at the needle is inevitably contacted with the outside air, the moisture in the air can enter the electrolyte along a gap of the needle, the detection of the electrolyte sample can be influenced, so that the detection data is inaccurate, and therefore, the need of an electrolyte sampling device can ensure that the electrolyte cannot be exposed to the air to ensure the accuracy of the detection data of the electrolyte is urgent.
Disclosure of Invention
The utility model aims to provide a lithium battery electrolyte sampling device which has the advantages of high accuracy, simplicity in operation and convenience in sampling, and does not need to sample in a specific environment.
The utility model solves the problems by adopting the following technical scheme: a lithium battery electrolyte sampling device comprises a main needle tube and a side needle tube which are integrally connected; a first control valve is arranged in the main needle tube, the first control valve is controlled by a first control switch, one end of the main needle tube is connected with the propeller, the other end of the main needle tube is connected with a first needle head, and the first needle head is connected with an electrolyte sample bottle; the side needle tube is internally provided with a second control valve, the second control valve is controlled by a second control switch, one end of the side needle tube is also provided with a second needle head, and the second needle head is connected with an electrolyte sampling bottle.
Preferably, the side needle tube is located the main needle tube side and is linked together with the main needle tube, side needle tube and main needle tube are the needle tube that has the scale, and side needle tube volume is less than 1/2 of main needle tube volume, so set up, can guarantee through the propeller can push the electrolyte in the main needle tube to the electrolyte sampling bottle.
Preferably, a first control valve is arranged in the main needle tube near one end of the first needle head, the first control valve is a spherical control valve with a one-way channel, and the one-way channel of the spherical control valve is communicated with the inner cavity of the main needle tube and the inner cavity of the first needle head.
Preferably, a second control valve is arranged in the end, far away from the second needle head, of the side needle tube, the second control valve is a spherical control valve with a one-way channel, and the one-way channel of the spherical control valve is communicated with the inner cavity of the main needle tube and the inner cavity of the side needle tube.
Preferably, the propeller is a propeller capable of performing piston movement.
Preferably, one end of the propeller is deep into the inner cavity of the main needle tube, and the other end of the propeller is exposed outside the main needle tube.
Preferably, the first needle head is detachably connected with the main needle tube, and the second needle head is detachably connected with the side needle tube.
Preferably, the first control switch is arranged on the outer wall of the main needle tube, and the second control switch is arranged on the outer wall of the side needle tube.
Compared with the prior art, the utility model has the advantages that:
the utility model discloses a lithium battery electrolyte sampling device, which comprises a main needle tube and a side needle tube which are integrally connected, wherein a first control valve controlled by a first control switch is arranged in the main needle tube; the side needle tube is internally provided with a second control valve controlled by a second control switch, and one end of the side needle tube is sequentially connected with a second needle head and an electrolyte sampling bottle. So set up for electrolyte sample need not to sample under specific environment, and the sample is convenient, and accuracy is high, easy operation.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery electrolyte sampling device according to an embodiment of the present utility model.
Wherein: 1 is a main needle tube, 2 is a side needle tube, 3 is a first control valve, 4 is a first control switch, 5 is a propeller, 6 is a first needle, 7 is an electrolyte sample bottle, 8 is a second control valve, 9 is a second control switch, 10 is a second needle, and 11 is an electrolyte sample bottle.
Description of the embodiments
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1, the structure of the lithium battery electrolyte sampling device in this embodiment is schematically shown.
The utility model provides a lithium cell electrolyte sampling device, includes integrative connected's main needle pipe 1 and side needle pipe 2, side needle pipe 2 is located main needle pipe 1 side and is linked together with main needle pipe 1, side needle pipe 2 and main needle pipe 1 are the needle pipe that has the scale, and side needle pipe 2 volume is less than 1/2 of main needle pipe 1 volume, specifically is that side needle pipe 2 volume is 1/4 of main needle pipe 1 volume, so sets up, can guarantee through the impeller 5 can push away the electrolyte in the main needle pipe 1 to electrolyte sample bottle 11.
The inside of one end, close to the first needle head 6, of the main needle tube 1 is provided with a first control valve 3, the first control valve 3 is a spherical control valve with a one-way channel, and the one-way channel of the spherical control valve is communicated with the inner cavity of the main needle tube 1 and the inner cavity of the first needle head 6; the first control valve 3 is controlled to be switched by a first control switch 4, the first control switch 4 is arranged on the outer wall of the main needle tube 1, one end of the main needle tube 1 is connected with a propeller 5 capable of performing piston movement, one end of the propeller 5 is deep into the inner cavity of the main needle tube 1, the other end of the propeller is exposed outside the main needle tube 1, the other end of the main needle tube 1 is detachably connected with a first needle head 6, the first needle head 6 is connected with an electrolyte sample bottle 7, and a bottle cap of the electrolyte sample bottle 7 is a butyl rubber bottle cap; one end of the propeller 5 is deep into the inner cavity of the main needle tube 1, and the other end of the propeller is exposed outside the main needle tube 1.
The inside of one end of the side needle tube 2 far away from the second needle head 10 is provided with a second control valve 8, the second control valve 8 is a spherical control valve with a unidirectional passage, and the unidirectional passage of the spherical control valve is communicated with the inner cavity of the main needle tube 1 and the inner cavity of the side needle tube 2; the second control valve 8 is controlled to be switched by a second control switch 9, the second control switch 9 is arranged on the outer wall of the side needle tube 2, one end of the side needle tube 2 is detachably connected with a second needle head 10, and the second needle head 10 is connected with an electrolyte sampling bottle 11.
The working process of the present embodiment is described in detail below with reference to the accompanying drawings:
firstly, the first control valve 3 is opened through the first control switch 4, the second control valve 8 is closed through the second control switch 9, the propeller 5 is pushed to the deepest part of the inner cavity of the main needle tube 1, then the first needle head 6 is inserted into the electrolyte sample bottle 7 storing electrolyte, the propeller 5 is pulled away from the first needle head 6, the electrolyte enters the main needle tube 1, the first control valve 3 is closed through the first control switch 4, then the second needle head 10 is inserted into the sample bottle, the second control valve 8 is opened through the second control switch 9, the propeller 5 is pushed to the deepest part of the inner cavity of the main needle tube 1, and then the electrolyte enters the electrolyte sample bottle 11 through the side needle tube 2 and the second needle head 10 in sequence, so that sampling is completed.
In addition to the above embodiments, the present utility model also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present utility model.
Claims (9)
1. A lithium battery electrolyte sampling device is characterized in that: comprises a main needle tube (1) and a side needle tube (2) which are connected integrally; a first control valve (3) is arranged in the main needle tube (1), the first control valve (3) is controlled by a first control switch (4), one end of the main needle tube (1) is connected with a propeller (5), the other end of the main needle tube is connected with a first needle head (6), and the first needle head (6) is connected with an electrolyte sample bottle (7); the electrolyte sampling device is characterized in that a second control valve (8) is arranged in the side needle tube (2), the second control valve (8) is controlled by a second control switch (9), a second needle head (10) is further arranged at one end of the side needle tube (2), and the second needle head (10) is connected with an electrolyte sampling bottle (11).
2. The lithium battery electrolyte sampling device of claim 1, wherein: the side needle tube (2) is positioned on the side face of the main needle tube (1) and is communicated with the main needle tube (1).
3. The lithium battery electrolyte sampling device of claim 1, wherein: the volume of the side needle tube (2) is smaller than 1/2 of the volume of the main needle tube (1).
4. The lithium battery electrolyte sampling device of claim 1, wherein: the novel needle tube is characterized in that a first control valve (3) is arranged in the main needle tube (1) close to one end of the first needle head (6), the first control valve (3) is a spherical control valve with a one-way channel, and the one-way channel of the spherical control valve is communicated with the inner cavity of the main needle tube (1) and the inner cavity of the first needle head (6).
5. The lithium battery electrolyte sampling device of claim 1, wherein: the side needle tube (2) is far away from the second needle head (10) and is provided with a second control valve (8) in the interior, the second control valve (8) is a spherical control valve with a one-way channel, and the one-way channel of the spherical control valve is communicated with the inner cavity of the main needle tube (1) and the inner cavity of the side needle tube (2).
6. The lithium battery electrolyte sampling device of claim 1, wherein: the propeller (5) is a propeller capable of performing piston movement.
7. The lithium battery electrolyte sampling device of claim 1, wherein: one end of the propeller (5) is deep into the inner cavity of the main needle tube (1), and the other end of the propeller is exposed outside the main needle tube (1).
8. The lithium battery electrolyte sampling device of claim 1, wherein: the first needle head (6) is detachably connected with the main needle tube (1), and the second needle head (10) is detachably connected with the side needle tube (2).
9. The lithium battery electrolyte sampling device of claim 1, wherein: the first control switch (4) is arranged on the outer wall of the main needle tube (1), and the second control switch (9) is arranged on the outer wall of the side needle tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320999055.2U CN219830440U (en) | 2023-04-28 | 2023-04-28 | Lithium battery electrolyte sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320999055.2U CN219830440U (en) | 2023-04-28 | 2023-04-28 | Lithium battery electrolyte sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219830440U true CN219830440U (en) | 2023-10-13 |
Family
ID=88284695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320999055.2U Active CN219830440U (en) | 2023-04-28 | 2023-04-28 | Lithium battery electrolyte sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219830440U (en) |
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2023
- 2023-04-28 CN CN202320999055.2U patent/CN219830440U/en active Active
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