CN220251444U - Portable lithium ion battery electrolyte sampling device - Google Patents
Portable lithium ion battery electrolyte sampling device Download PDFInfo
- Publication number
- CN220251444U CN220251444U CN202321733457.4U CN202321733457U CN220251444U CN 220251444 U CN220251444 U CN 220251444U CN 202321733457 U CN202321733457 U CN 202321733457U CN 220251444 U CN220251444 U CN 220251444U
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- lithium ion
- ion battery
- battery electrolyte
- valve
- 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.)
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Links
- 239000003792 electrolyte Substances 0.000 title claims abstract description 82
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 52
- 238000005070 sampling Methods 0.000 title claims abstract description 36
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 76
- 239000010935 stainless steel Substances 0.000 claims abstract description 76
- 239000012780 transparent material Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model relates to the technical field of sampling devices, in particular to a portable lithium ion battery electrolyte sampling device, which comprises a stainless steel cylinder; one end of the feeding valve is detachably connected with a transparent material transferring hose, and one end of the double-end wire, which is far away from the sampler, is fixedly provided with a quick connector; the quick connector is connected to the lithium ion battery electrolyte barrel, the stainless steel bottle discharges gas in the stainless steel bottle through the gas outlet valve, the ball valve and the feed valve are opened, electrolyte in the lithium ion battery electrolyte barrel is pumped into the stainless steel bottle by means of negative pressure in the stainless steel bottle, the gas outlet valve, the ball valve and the feed valve are closed, the lithium ion battery electrolyte in the stainless steel bottle is in a sealing state, tightness in the lithium ion battery electrolyte sampling process is effectively improved, the fact that the taken electrolyte reacts with moisture in air easily is effectively avoided, and detection accuracy after sampling is further improved.
Description
Technical Field
The utility model relates to the technical field of sampling devices, in particular to a portable lithium ion battery electrolyte sampling device.
Background
In order to ensure the product quality, the lithium ion battery electrolyte is generally stored by using a stainless steel barrel, moisture and free acid are important performance indexes of the lithium ion battery electrolyte, the quality and the battery performance of the electrolyte are directly influenced, and the electrolyte in the barrel can be extracted for testing when an electrolyte manufacturer performs sampling inspection or a lithium battery manufacturer performs material supply inspection.
Because the electrolyte is extremely easy to absorb water, lithium hexafluorophosphate in the electrolyte is easy to react with water to generate hydrofluoric acid, the taken electrolyte must be rapidly detected, but the problem of water absorption in the process is still avoided, the test values of water and free acid are out of standard, and the detection result is abnormal. In addition, if the electrolyte sampling point is a certain distance away from the detection point, the electrolyte sample is easier to deteriorate, and the accuracy of the detection result cannot be ensured, so that in the long-term research and development testing process: the tightness of the sampling device in the prior art in the process of sampling the electrolyte of the lithium ion battery is low, and the sampling device is easy to react with moisture in the air so as to reduce the detection precision after sampling.
Disclosure of Invention
In view of the above, the present utility model is directed to a portable lithium ion battery electrolyte sampling device, which solves the problem of low tightness of the sampling device in the process of sampling the lithium ion battery electrolyte.
Based on the above object, the present utility model provides a portable lithium ion battery electrolyte sampling device, comprising: stainless steel cylinders; further comprises: the air inlet valve is fixedly arranged in the center of the top of the stainless steel cylinder; the air outlet valve is fixedly arranged at one side of the top of the stainless steel cylinder; the feeding valve is fixedly arranged on the other side of the top of the stainless steel cylinder; the automatic feeding device is characterized in that a transparent material transferring hose is detachably connected to one end of the feeding valve, a sampler is detachably arranged at one end of the transparent material transferring hose, a double-end wire is detachably arranged at one end of the sampler, a ball valve is fixedly arranged in the middle of the double-end wire, and a quick connector is fixedly arranged at one end, far away from the sampler, of the double-end wire;
the quick connector is used for being connected with the lithium ion battery electrolyte barrel, the stainless steel bottle discharges gas in the stainless steel bottle through the gas outlet valve to enable negative pressure to be generated in the stainless steel bottle, the ball valve and the feed valve are opened, electrolyte in the lithium ion battery electrolyte barrel is pumped into the stainless steel bottle by means of the negative pressure in the stainless steel bottle, the gas outlet valve, the ball valve and the feed valve are closed, the lithium ion battery electrolyte in the stainless steel bottle is in a sealed state, and sampling is carried out on the lithium ion battery electrolyte in the sampler.
Preferably, the sampler is of a three-way structure made of stainless steel, and a silica gel pad is inlaid at one end of the sampler.
Preferably, a stainless steel plug with a pinhole is arranged in the middle of the silica gel pad.
Preferably, the stainless steel cylinder is a sealed cylinder body, the volume of the stainless steel cylinder is 500mL-50L, and inert gas is filled in the stainless steel cylinder.
Preferably, the transparent material transferring hose is one of a PP transparent hose and a PE transparent hose.
Preferably, a syringe is detachably mounted on one side of the sampler.
The utility model has the beneficial effects that: the quick connector is connected to the lithium ion battery electrolyte barrel, so that electrolyte in the lithium ion battery electrolyte barrel can be conveyed outwards through the quick connector, gas in the stainless steel bottle is discharged from the stainless steel bottle through the gas outlet valve, negative pressure is generated in the stainless steel bottle, at the moment, the ball valve and the feed valve are opened, the electrolyte in the lithium ion battery electrolyte barrel is pumped into the stainless steel bottle by means of the negative pressure in the stainless steel bottle, and then the gas outlet valve, the ball valve and the feed valve are closed, so that the lithium ion battery electrolyte in the stainless steel bottle is in a sealing state, further sampling operation is realized on the lithium ion battery electrolyte, tightness in the sampling process of the lithium ion battery electrolyte is effectively improved, the taken electrolyte is effectively prevented from reacting with moisture in air easily, and the detection precision after sampling is further improved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view structure of the present utility model.
Marked in the figure as: 1. a quick connector; 2. double-end silk; 3. a ball valve; 4. a sampler; 5. a silica gel pad; 6. a transparent material transferring hose; 7. a feed valve; 8. an air outlet valve; 9. stainless steel cylinders; 10. an air inlet valve.
Detailed Description
The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.
As shown in fig. 1, a portable lithium ion battery electrolyte sampling device includes: stainless steel cylinder 9; the stainless steel bottle 9 is a sealed bottle body, the preservation effect of isolating air of the taken lithium ion battery electrolyte can be further improved through the structural design of the sealed bottle body, the volume of the stainless steel bottle 9 is 500mL-50L, so that the stainless steel bottle 9 with various types and sizes can be conveniently produced, inert gas is filled in the stainless steel bottle 9, the filled inert gas can play a role in protecting, and the problem that the sampling detection precision is reduced due to the fact that the lithium ion battery electrolyte reacts with air in the stainless steel bottle 9 in a contact way is solved; further comprises: the air inlet valve 10 is fixedly arranged in the center of the top of the stainless steel cylinder 9 through a bolt; the air outlet valve 8 is fixedly arranged on one side of the top of the stainless steel cylinder 9 through a bolt; the feed valve 7 is fixedly arranged on the other side of the top of the stainless steel cylinder 9 through a bolt; one end of the feed valve 7 is detachably connected with a transparent material transferring hose 6; the transparent material transferring hose 6 can be one of a PP transparent hose and a PE transparent hose, a sampler 4 is detachably arranged at one end of the transparent material transferring hose 6, the sampler 4 is of a three-way structure made of stainless steel, a silica gel pad 5 is inlaid at one end of the sampler 4, and a stainless steel plug with a pinhole is arranged in the middle of the silica gel pad 5; the utility model discloses a quick sampling device, including sample thief 4, syringe needle, quick-operation joint 1, the syringe needle is equipped with the syringe in detachable on 4 one sides of sample thief, syringe needle and the pinhole looks adaptation on the stainless steel plug, the quick-operation joint 2 is equipped with to the detachable of 4 one end of sample thief, the middle part of double-end 2 is equipped with ball valve 3 through bolt fixed mounting, the one end that the sampler 4 was kept away from to double-end 2 is equipped with quick-operation joint 1 through bolt fixed mounting, the quick-operation joint 1 is the joint of S type structure, can promote the compactness when being connected with the ejection of compact joint of the electrolyte bucket that will take a sample through quick-operation joint 1, can also accelerate the convenience of user' S dismouting in-process simultaneously for the user can promote dismouting speed through quick-operation joint 1, realize carrying the whole implementation of sampling device after extracting electrolyte in the electrolyte bucket, thereby reached portable sampling effect.
The lithium ion battery electrolyte barrel is connected to the lithium ion battery electrolyte barrel through the quick connector 1, so that electrolyte in the lithium ion battery electrolyte barrel can be conveyed outwards through the quick connector 1, the stainless steel bottle 9 discharges gas in the stainless steel bottle 9 through the gas outlet valve 8, negative pressure is generated in the stainless steel bottle 9, at the moment, the ball valve 3 and the feed valve 7 are opened, the electrolyte in the lithium ion battery electrolyte barrel is pumped into the stainless steel bottle 9 by means of the negative pressure in the stainless steel bottle 9, the gas outlet valve 8, the ball valve 3 and the feed valve 7 are closed, the lithium ion battery electrolyte in the stainless steel bottle 9 is in a sealed state, and when the electrolyte in the lithium ion battery electrolyte barrel is extracted, the electrolyte in the conveying process can be sampled by inserting a needle of the syringe into the sampler 4; when the sampling test is carried out on site, firstly, the ball valve 3 is opened, after the electrolyte is observed to flow out from the transparent material transferring hose 6, at the moment, the needle is firstly washed for a plurality of times from the needle hole of the sampler 4 by using the injector, and then, the water, free acid or other project test is finished; after the sampling test is finished, filling inert gas into the stainless steel cylinder 9 through the air inlet valve 10, so that the pressure in the stainless steel cylinder 9 is higher than the pressure in the lithium ion battery electrolyte barrel, and transferring all the electrolyte transferred into the stainless steel cylinder 9 into the lithium ion battery electrolyte barrel; the accuracy of the electrolyte test result can be further ensured, and meanwhile, the waste of the electrolyte is avoided; when the test is not performed on site, placing the stainless steel bottle 9 on an electronic scale, opening the ball valve 3, taking out the electrolyte with the required quantity, closing the ball valve 3, and taking down the transparent material transferring hose 6; and filling inert protective gas into the stainless steel cylinder 9, taking the stainless steel cylinder 9 to a testing site, putting the stainless steel cylinder 9 into a glove box of inert gas, opening a feed valve 7 of the stainless steel cylinder 9, taking out electrolyte for testing related projects, and putting the stainless steel cylinder 9 into a low-temperature box for transportation during transportation.
Working principle: when the lithium ion battery electrolyte barrel is used, the lithium ion battery electrolyte barrel is connected to the lithium ion battery electrolyte barrel through the quick connector 1, electrolyte in the lithium ion battery electrolyte barrel can be conveyed outwards through the quick connector 1, gas in the stainless steel bottle 9 is discharged through the gas outlet valve 8, negative pressure is generated in the stainless steel bottle 9, at the moment, the ball valve 3 and the feed valve 7 are opened, electrolyte in the lithium ion battery electrolyte barrel is pumped into the stainless steel bottle 9 by means of the negative pressure in the stainless steel bottle 9, and then the gas outlet valve 8, the ball valve 3 and the feed valve 7 are closed, so that the lithium ion battery electrolyte in the stainless steel bottle 9 is in a sealed state, and further sampling operation is implemented on the lithium ion battery electrolyte.
Claims (6)
1. A portable lithium ion battery electrolyte sampling device, comprising: a stainless steel cylinder (9); characterized by further comprising:
an air inlet valve (10) fixedly arranged in the center of the top of the stainless steel cylinder (9);
the air outlet valve (8) is fixedly arranged at one side of the top of the stainless steel cylinder (9);
the feeding valve (7) is fixedly arranged on the other side of the top of the stainless steel cylinder (9);
the automatic feeding device is characterized in that one end of the feeding valve (7) is detachably connected with a transparent material transferring hose (6), one end of the transparent material transferring hose (6) is detachably provided with a sampler (4), one end of the sampler (4) is detachably provided with a double-end wire (2), the middle part of the double-end wire (2) is fixedly provided with a ball valve (3), and one end of the double-end wire (2) far away from the sampler (4) is fixedly provided with a quick connector (1);
wherein, quick-operation joint (1) are used for connecting lithium ion battery electrolyte bucket, stainless steel bottle (9) are through gas in gas outlet valve (8) discharge stainless steel bottle (9) make in stainless steel bottle (9) produce negative pressure, open ball valve (3) and feed valve (7), after the negative pressure in with stainless steel bottle (9) in with the electrolyte in the lithium ion battery electrolyte bucket draw in stainless steel bottle (9), close gas outlet valve (8), ball valve (3) and feed valve (7) for lithium ion battery electrolyte in stainless steel bottle (9) is in sealed state, lithium ion battery electrolyte is implemented the sample in sampler (4).
2. The portable lithium ion battery electrolyte sampling device according to claim 1, wherein the sampler (4) is of a three-way structure made of stainless steel, and a silica gel pad (5) is inlaid at one end of the sampler (4).
3. The portable lithium ion battery electrolyte sampling device according to claim 2, wherein a stainless steel plug with a pinhole is arranged in the middle of the silica gel pad (5).
4. The portable lithium ion battery electrolyte sampling device according to claim 1, wherein the stainless steel bottle (9) is a sealed bottle body, the volume of the stainless steel bottle (9) is 500mL-50L, and inert gas is filled in the stainless steel bottle (9).
5. The portable lithium ion battery electrolyte sampling device according to claim 1, wherein the transparent material transferring hose (6) is one of a PP transparent hose or a PE transparent hose.
6. The portable lithium ion battery electrolyte sampling device according to claim 1, wherein a syringe is detachably mounted on one side of the sampler (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321733457.4U CN220251444U (en) | 2023-07-04 | 2023-07-04 | Portable lithium ion battery electrolyte sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321733457.4U CN220251444U (en) | 2023-07-04 | 2023-07-04 | Portable lithium ion battery electrolyte sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251444U true CN220251444U (en) | 2023-12-26 |
Family
ID=89267731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321733457.4U Active CN220251444U (en) | 2023-07-04 | 2023-07-04 | Portable lithium ion battery electrolyte sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251444U (en) |
-
2023
- 2023-07-04 CN CN202321733457.4U patent/CN220251444U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |