CN220611612U - Lithium battery formation equipment - Google Patents
Lithium battery formation equipment Download PDFInfo
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- CN220611612U CN220611612U CN202321805116.3U CN202321805116U CN220611612U CN 220611612 U CN220611612 U CN 220611612U CN 202321805116 U CN202321805116 U CN 202321805116U CN 220611612 U CN220611612 U CN 220611612U
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- negative pressure
- pipeline
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- lithium battery
- air
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 49
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 239000012459 cleaning agent Substances 0.000 claims abstract description 71
- 238000004140 cleaning Methods 0.000 claims abstract description 47
- 238000003860 storage Methods 0.000 claims abstract description 41
- 238000007664 blowing Methods 0.000 claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
Landscapes
- Cleaning In General (AREA)
Abstract
The application discloses lithium battery formation equipment belongs to lithium battery production facility technical field. Comprises a cleaning device and a negative pressure device which are communicated through a negative pressure pipeline; the cleaning device comprises: the liquid storage tank is communicated with the negative pressure pipeline through a first pipeline, and the cleaning agent flows into the negative pressure pipeline through the first pipeline; the air blowing assembly is arranged between the first pipeline and the negative pressure pipeline and is communicated with an air source. In this application embodiment, the subassembly of blowing sets up between first pipeline and negative pressure pipeline and intercommunication air supply. In practical application, after the cleaning agent passes through the negative pressure pipeline, a certain amount of cleaning agent remains or adheres to the negative pressure pipeline. The air blowing component is used for introducing an air source into the negative pressure pipeline, and residual or attached cleaning agent in the negative pressure pipeline can be taken away by the circulation of the air source, so that the negative pressure pipeline cleaning agent cleaning device has the beneficial effect of preventing the cleaning agent from remaining in the negative pressure pipeline.
Description
Technical Field
The application belongs to the technical field of lithium battery production equipment, and particularly relates to lithium battery formation equipment.
Background
At present, along with the development of new energy industry, the application of lithium ions is wider and wider, negative pressure formation is an important procedure in the preparation of lithium ion batteries, and when the negative pressure formation is carried out, the lithium ion batteries are vacuumized, so that the lithium ion batteries are charged with small current under the negative pressure, and the formation of the partial volume is realized.
In the prior art, lithium battery formation equipment is common equipment in the lithium battery manufacturing process, and a negative pressure pipeline is arranged in the formation equipment and generally comprises a negative pressure collecting pipe, a plurality of negative pressure components and a plurality of negative pressure suction nozzles. When negative pressure formation is carried out, the negative pressure formation equipment needs to be in direct contact with electrolyte in the lithium battery core during operation, so that the electrolyte can be sucked into a negative pressure pipeline of the negative pressure formation equipment. The electrolyte components of lithium battery cells of different types are different, and in order to avoid pollution to the electrolyte of the battery cells during the replacement production, a negative pressure pipeline needs to be cleaned.
However, the air path of the negative pressure formation equipment commonly used at present is complex, the pipeline is generally required to be manually disassembled for cleaning, the operation is tedious, the time consumption is long, the cost is increased, and cleaning liquid residues exist in the pipeline after the cleaning is completed.
Disclosure of Invention
The embodiment of the application aims to provide lithium battery formation equipment, which can solve the problems that a negative pressure pipeline of the lithium battery formation equipment is inconvenient to clean and cleaning liquid remains after cleaning is completed in the prior art.
In order to solve the technical problems, the application is realized as follows: the embodiment of the application provides lithium battery formation equipment, which is used for carrying out negative pressure formation on battery monomers, and comprises a negative pressure pipeline, a cleaning device and a negative pressure device, wherein the negative pressure pipeline is communicated with the cleaning device and the negative pressure device, and the cleaning device is used for cleaning the negative pressure pipeline; the cleaning device comprises: the cleaning agent flows into the negative pressure pipeline through the first pipeline; the air blowing assembly is arranged between the first pipeline and the negative pressure pipeline, is communicated with an air source and is communicated with the negative pressure pipeline.
In this application embodiment, lithium cell formation equipment includes belt cleaning device and negative pressure device through pipeline intercommunication, and wherein, the pipeline includes the negative pressure pipeline. The negative pressure device is arranged for carrying out negative pressure formation on the lithium battery, and the cleaning device is used for cleaning a negative pressure pipeline. On the one hand, the operation of dismantling the negative pressure device is avoided, the working intensity is reduced, manual cleaning is replaced, the efficiency is improved, the assembly precision of the negative pressure device can be prevented from being damaged, and the air tightness of the negative pressure device is prevented from being influenced. Specifically, belt cleaning device includes the liquid storage pot, and liquid storage pot and negative pressure pipeline pass through first pipeline intercommunication. The cleaning agent arranged in the liquid storage tank flows into the negative pressure pipeline through the first pipeline, and the cleaning agent can clean the negative pressure pipeline through the cleaning agent. The cleaning device further comprises an air blowing assembly, the air blowing assembly is arranged between the first pipeline and the negative pressure pipeline, and the air blowing assembly is further communicated with an air source. The blowing component is used for communicating the air source with the negative pressure device. In practical application, after the cleaning agent passes through the negative pressure pipeline, a certain amount of cleaning agent is more or less remained or adhered in the negative pressure pipeline. The blowing component is used for introducing an air source into the negative pressure management, and the residual or attached cleaning agent in the negative pressure pipeline can be taken away by the circulation of the air source, so that the negative pressure pipeline cleaning agent cleaning device has the beneficial effect of preventing the cleaning agent from remaining in the negative pressure pipeline.
Drawings
Fig. 1 is a schematic structural diagram of a lithium battery formation device in an embodiment of the present application;
FIG. 2 is a schematic view of a cleaning device according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a negative pressure device in an embodiment of the present application.
Reference numerals illustrate:
10. a cleaning device; 11. a liquid storage tank; 111. a first interface; 112. a second interface; 12. an adjustment assembly; 121. a regulating valve; 122. an air pressure pipeline; 1221. an air compression interface; 123. a vacuum pipeline; 1231. a vacuum interface; 13. an air blowing assembly; 131. a valve; 14. a cleaning agent container; 20. a negative pressure device; 21. a high temperature region negative pressure device; 211. a liquid injection port; 212. a negative pressure suction nozzle; 213. a negative pressure cup bar; 214. a negative pressure cup; 215. a manifold; 216. a teflon tube; 22. breaking a vacuum device; 23. a gas-liquid separation device; 24. a normal temperature region negative pressure device; 241. a two-way valve; 242. an electromagnetic valve; 243. a vacuum proportional valve; 244. an external negative pressure interface; 245. an atmospheric filter; 246. compressed air filtration triplex; 30. a first pipeline; 40. a second pipeline; 50. a battery cell; 60. and a negative pressure pipeline.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The lithium battery formation device and the lithium battery formation device provided in the embodiments of the present application are described in detail below with reference to the accompanying drawings by means of specific embodiments and application scenarios thereof.
Referring to fig. 1 to 3, an embodiment of the present application provides a lithium battery formation apparatus for negative pressure formation of a battery cell 50, the lithium battery formation apparatus including a cleaning device 10 and a negative pressure device 20 which are communicated through a pipeline, the pipeline including a negative pressure pipeline 60, the cleaning device 10 being used for cleaning the negative pressure pipeline 60; the cleaning device 10 includes: the liquid storage tank 11, the liquid storage tank 11 is used for storing cleaning agent, the liquid storage tank 11 is communicated with the negative pressure pipeline 60 through the first pipeline 30, and the cleaning agent flows into the negative pressure pipeline 60 through the first pipeline 30; the air blowing assembly 13, the air blowing assembly 13 is arranged between the first pipeline 30 and the negative pressure pipeline 60, and the air blowing assembly 13 is communicated with an air source and the air source is communicated with the negative pressure pipeline 60.
In the embodiment of the application, the lithium battery formation apparatus comprises a cleaning device 10 and a negative pressure device 20 which are communicated through a pipeline, wherein the pipeline comprises a negative pressure pipeline 60. The negative pressure device is used for negative pressure formation of the lithium battery, and the cleaning device 10 is used for cleaning the negative pressure pipeline 60. On the one hand, the operation of disassembling the negative pressure device 20 is avoided, the working strength is reduced, the manual cleaning is replaced, the efficiency is improved, the assembly precision of the negative pressure device 20 can be prevented from being damaged, and the air tightness of the negative pressure device 20 is prevented from being influenced. Specifically, the cleaning device 10 includes a liquid reservoir 11, and the liquid reservoir 11 and a negative pressure line 60 are communicated through a first line 30. The cleaning agent arranged in the liquid storage tank 11 flows into the negative pressure pipeline 60 through the first pipeline 30, and the cleaning agent can realize the cleaning effect on the negative pressure pipeline 60 through the cleaning agent. The cleaning device 10 further comprises an air blowing assembly 13, the air blowing assembly 13 is arranged between the first pipeline 30 and the negative pressure pipeline 60, and the air blowing assembly 13 is further communicated with an air source. The blowing assembly 13 is provided for communicating the air source to the negative pressure device 20. In practical applications, after the cleaning agent passes through the negative pressure pipeline 60, a certain amount of cleaning agent is more or less remained or adhered in the negative pressure pipeline 60. The air blowing component 13 is used for introducing an air source into the negative pressure management, and the residual or attached cleaning agent in the negative pressure pipeline 60 can be taken away by the circulation of the air source so as to retain the cleaning agent in the negative pressure pipeline 60.
Optionally, in the embodiment of the present application, the air blowing assembly 13 includes a valve 131 and an air tank, and the valve 131 is used to control the air in the air tank to enter the negative pressure pipeline 60.
In this embodiment, the air storage tank is configured to store an air source, and the valve 131 is configured to control the air source to be introduced into the negative pressure pipeline 60 or not to be introduced into the negative pressure pipeline 60, so as to control the air blowing component 13 to clean the residual or attached cleaning agent in the pressure pipeline.
It should be noted that, the liquid storage tank 11 may be a pressure liquid storage tank 11, the pressure liquid storage tank 11 has a pressure greater than normal pressure, and after the valve 131 is opened to open the air source and the air source is introduced into the negative pressure pipeline 60, the air source with pressure has a better cleaning effect on the residual or attached cleaning agent in the negative pressure pipeline 60.
Optionally, in the embodiment of the present application, the cleaning device 10 further includes an adjusting assembly 12 and a second pipe 40, and the adjusting assembly 12 and the liquid storage tank 11 are communicated through the second pipe 40; the regulating assembly 12 comprises a regulating valve 121, an air pressure pipeline 122 and a vacuum pipeline 123, wherein the regulating valve 121 is respectively communicated with the air pressure pipeline 122 and the vacuum pipeline 123, and the regulating valve 121 comprises a first working state and a second working state; when the regulating valve 121 is in the first working state, the regulating valve 121 is communicated with the air pressure pipeline 122; when the regulator valve 121 is in the second operating state, the regulator valve 121 and the vacuum line 123 are in communication.
In the present embodiment, the adjusting assembly 12 is configured to adjust the pressure within the fluid reservoir 11, wherein the adjusting assembly 12 is in communication with the fluid reservoir 11 via the second conduit 40. The regulator assembly 12 includes a pneumatic line 122 and a vacuum line 123, both the pneumatic line 122 and the vacuum line 123 being in communication with a regulator valve 121. The regulating valve 121 comprises a first working state and a second working state, and when the regulating valve 121 is in the first working state, the regulating valve 121 is communicated with the air pressure pipeline 122; when the regulator valve 121 is in the second operating state, the regulator valve 121 and the vacuum line 123 are in communication. As is apparent from the above, the regulating valve 121 is switchable between the first operating state and the second operating state, and when the regulating valve 121 is switched to the different operating states, the regulating valve 121 is communicated with the air pressure line 122 and the vacuum line 123, respectively. While the adjusting component 12 is in communication with the liquid storage tank 11, it will be appreciated that when the adjusting valve 121 is in communication with the air pressure line 122 or the vacuum line 123, the pressure in the liquid storage tank 11 will change, so as to realize the effect of adjusting the pressure of the liquid storage tank 11 by the adjusting device.
Alternatively, in the embodiment of the present application, the liquid storage tank 11 includes a first port 111 and a second port 112 that are disposed at intervals in the vertical direction, the first port 111 communicates with the second pipe 40, and the second port 112 communicates with the first pipe 30; the first port 111 is higher than the second port 112, wherein the liquid level of the cleaning agent in the liquid storage tank 11 is lower than the first port 111 and higher than the second port 112.
In the embodiment of the present application, the liquid storage tank 11 includes a first port 111 and a second port 112, and the first port 111 and the second port 112 are configured to be connected to the second pipe 40 and the first pipe 30, respectively. Wherein the first port 111 and the second port 112 are disposed at intervals along the vertical direction of the liquid storage tank 11. The liquid storage tank 11 is internally provided with a cleaning agent, and the liquid level of the cleaning agent in the liquid storage tank 11 is higher than the second interface 112 and lower than the first interface 111. In practice, the first conduit 30 communicates with the second port 112, i.e. with the cleaning agent in the reservoir 11, and the second conduit 40 communicates with the first port 111, i.e. with the air above the surface of the cleaning agent in the reservoir 11.
It will be appreciated that when high pressure gas is introduced into the reservoir 11 from the first port 111 through the second conduit 40, the pressure of the gas above the cleaning agent in the reservoir 11 increases, squeezing the cleaning agent from the second port 112 into the first conduit 30, and the cleaning agent may be introduced into the negative pressure conduit 60 from the first conduit 30, thereby cleaning the negative pressure conduit 60. When negative pressure gas enters the liquid storage tank 11 from the first connector 111 through the second pipeline 40, the pressure of the gas above the cleaning agent in the liquid storage tank 11 is reduced, and the cleaning agent is sucked into the liquid storage tank 11 from the second connector 112 along the first pipeline 30, so that the cleaning agent is recovered.
Optionally, in the embodiment of the present application, the air pressure pipeline 122 is provided with an air pressure interface 1221, and the air pressure interface 1221 is connected to compressed air; the vacuum line 123 is provided with a vacuum port 1231, the vacuum port 1231 being connected to a negative pressure air source.
In the embodiment of the present application, a pneumatic interface 1221 and a vacuum interface 1231 are further provided, and the arrangement of the pneumatic interface 1221 and the vacuum interface 1231 is used to realize the connection of the adjusting assembly 12 and the external auxiliary device. Specifically, air interface 1221 is connected to compressed air and vacuum interface 1231 is connected to a negative pressure air source. When the air pressure port 1221 is opened and the vacuum port 1231 is closed, compressed air may enter the second pipeline 40, the compressed air enters the liquid storage tank 11 from the first port 111 along the second pipeline 40, the pressure of the gas above the cleaning agent in the liquid storage tank 11 increases, the cleaning agent is extruded from the second port 112 into the first pipeline 30, and the cleaning agent may enter the negative pressure pipeline 60 from the first pipeline 30, thereby cleaning the negative pressure pipeline 60. When the vacuum port 1231 is opened and the vacuum port 1221 is closed, the negative pressure gas enters the liquid storage tank 11 from the first port 111 through the second pipeline 40, the pressure of the gas above the cleaning agent in the liquid storage tank 11 is reduced, and the cleaning agent is sucked into the liquid storage tank 11 from the second port 112 along the first pipeline 30, so that the cleaning agent is recovered.
Optionally, in the embodiment of the present application, the negative pressure device 20 includes a high temperature area negative pressure device 21, a vacuum breaking device 22, a gas-liquid separation device 23 and a normal temperature area negative pressure device 24 that are sequentially communicated, and the pipeline further includes a connecting pipeline; the high-temperature region negative pressure device 21 is connected with the vacuum breaking device 22 through a negative pressure pipeline 60, the high-temperature region negative pressure device 21 of the gas-liquid separation device 23 is connected through a connecting pipeline, and the negative pressure pipeline 60 is communicated with the connecting pipeline; wherein, the blowing assembly 13 is connected between the vacuum breaking device 22 and the gas-liquid separation device 23 through a negative pressure pipeline 60.
In the embodiment of the application, the high-temperature area negative pressure device 21, the vacuum breaking device 22, the gas-liquid separation device 23 and the normal-temperature area negative pressure device 24 are communicated through connecting pipelines so as to realize negative pressure formation of the lithium battery. The negative pressure device 21 in the high temperature area is connected with the vacuum breaking device 22 through a negative pressure pipeline 60, the negative pressure device 21 in the high temperature area of the gas-liquid separation device 23 is connected through a connecting pipeline, and the generated gas can be accompanied with partially vaporized electrolyte in the lithium battery formation process, and the electrolyte can be condensed out when passing through the gas-liquid separation device 23, so that the gas-liquid separation effect is achieved, and the pipeline pollution caused by the electrolyte entering the pipeline is avoided. And the negative pressure pipeline 60 is communicated with the connecting pipeline, so that the interconnection among the high-temperature region negative pressure device 21, the vacuum breaking device 22, the gas-liquid separation device 23 and the normal-temperature region negative pressure device 24 is realized. The air blowing component 13 is connected between the vacuum breaking device 22 and the gas-liquid separation device 23 through the negative pressure pipeline 60, and in practical application, the air blowing component 13 is used for introducing an air source into the negative pressure pipeline 60, and the air source is introduced into the negative pressure pipeline 60 to clean the residual or attached cleaning agent in the negative pressure pipeline 60.
Optionally, in the embodiment of the present application, the cleaning device 10 further includes a cleaning agent container 14, where the cleaning agent container 14 is used for containing a cleaning agent, and the negative pressure device 24 in the normal temperature area is communicated with the cleaning agent container 14; the cleaning agent vessel 14 communicates with the liquid reservoir 11 via a negative pressure line 60 and a first line 30.
In the embodiment of the present application, the cleaning agent container 14 is configured to hold the cleaning agent in the cleaning device 10, the negative pressure device 24 in the normal temperature area is communicated with the cleaning agent container 14, and the liquid storage tank 11 is also communicated with the cleaning agent container 14. Wherein the cleaning agent container 14 communicates with the liquid reservoir 11 through the negative pressure line 60 and the first line 30. The cleaning agent in the liquid storage tank 11 and the cleaning agent in the cleaning agent container 14 are mutually communicated, and the communicating pipe includes a first pipe 30 and a negative pressure pipe 60. In practical application, on the one hand, the cleaning agent in the liquid storage tank 11 is extruded from the second connector 112 into the first pipeline 30, the cleaning agent can enter the negative pressure pipeline 60 from the first pipeline 30, and then the cleaning agent enters the cleaning agent container 14 from the negative pressure pipeline 60, so that the cleaning of the negative pressure pipeline 60 is realized. On the other hand, the cleaning agent is sucked into the liquid storage tank 11 from the second interface 112 along the first pipeline 30, the cleaning agent can enter the negative pressure pipeline 60 from the cleaning agent container 14, then enter the first pipeline 30 along the negative pressure pipeline 60, and finally be sucked into the liquid storage tank 11 from the second interface 112, so that the cleaning agent is recovered.
Alternatively, in the embodiment of the present application, the normal temperature zone negative pressure device 24 includes a two-way valve 241, a solenoid valve 242, a vacuum proportional valve 243, and an external negative pressure interface 244; the two-way valve 241 is communicated with the gas-liquid separation device 23 through a connecting pipeline, the two-way valve 241, the electromagnetic valve 242 and the external negative pressure interface 244 are sequentially connected, and the vacuum proportional valve 243 is arranged between the electromagnetic valve 242 and the external negative pressure interface 244.
In the embodiment of the present application, the two-way valve 241 is connected to the gas-liquid separation device 23 through a connecting pipeline, and the two-way valve 241 is configured to connect or disconnect the gas-liquid separation device 23 and the normal temperature region negative pressure device 24. The electromagnetic valve 242 is arranged on one side of the two-way valve 241 close to the normal temperature area negative pressure device 24, the vacuum proportional valve 243 is arranged on one side of the electromagnetic valve 242 close to the normal temperature area negative pressure device 24, and the vacuum proportional valve 243 is used for adjusting the proportion of vacuum in the inlet pipeline so as to adjust the proportion of vacuum to the corresponding vacuum value required by the process. The other end of the vacuum proportional valve 243 is connected to an external negative pressure port 244 to increase the pressure of the conditioned air stream into the pipeline.
Optionally, in the present embodiment, the ambient temperature zone negative pressure device 24 further includes an atmospheric filter 245 and a compressed air filtration triplet 246; both the atmospheric filter 245 and the compressed air filter triplet 246 are connected to a vacuum proportional valve 243.
In the embodiment of the present application, the normal temperature region negative pressure device 24 further includes an atmospheric filter 245 and a compressed air filtering triplet 246, and both the atmospheric filter 245 and the compressed air filtering triplet 246 are connected to the vacuum proportional valve 243. It will be appreciated that the ambient atmosphere is communicated to the vacuum proportional valve 243 via the atmospheric filter 245, and the atmospheric filter 245 is configured to filter impurities from the atmosphere and prevent the impurities from entering the lithium battery formation device. The compressed air filtering tri-connection piece is connected to external air compression equipment, and the arrangement of the compressed air filtering tri-connection piece is used for filtering impurities in compressed air and preventing the impurities from entering lithium battery formation equipment. The filtered air and the compressed air enter the vacuum proportional valve 243, are mixed after being regulated by the vacuum proportional valve 243, and enter the pipeline.
Optionally, in the embodiment of the present application, the high-temperature zone negative pressure device 21 includes a negative pressure component, a collecting pipe 215, and a teflon pipe 216 connected to the collecting pipe 215, where the collecting pipe 215 is connected to the gas-liquid separation device 23; the negative pressure assembly comprises a negative pressure cup 214, a negative pressure cup rod 213, a negative pressure suction nozzle 212 and a liquid filling port 211, one end of the negative pressure cup rod 213 is connected to the negative pressure cup 214, the other end of the negative pressure cup rod 213 is connected to the negative pressure suction nozzle 212, and the negative pressure suction nozzle 212 is communicated with the liquid filling port 211 of the battery cell 50.
In the embodiment of the application, the negative pressure cup 214 is communicated with the negative pressure cup rod 213, and one end of the negative pressure cup rod 213 close to the cleaning agent container 14 is a negative pressure suction nozzle 212. The suction cup 214 and suction nozzle 212 are assembled together to form a suction nozzle 212 structure for sucking the excess gas in the battery. When negative pressure formation is carried out on the lithium battery, the cleaning agent container 14 is separated from the high-temperature area negative pressure device 21, and the negative pressure suction nozzle 212 is abutted against an exhaust port of the battery during formation and is used for exhausting gas generated by the battery formation. The gas-liquid separation device 23, the teflon 216 and the collecting pipe 215 are connected to the negative pressure cup 214, and the collecting pipe 215 is communicated with the gas-liquid separation device 23 to separate waste liquid and waste gas generated by negative pressure formation through the gas-liquid separation device 23, so that the waste gas cannot spread in the air, and pollution is caused to the environment. The negative pressure cup 214 is used to temporarily store the gas generated by the battery formation at the time of the lithium battery negative pressure formation.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (10)
1. The lithium battery formation equipment is used for carrying out negative pressure formation on a battery monomer (50) and is characterized by comprising a negative pressure pipeline (60), a cleaning device (10) and a negative pressure device (20), wherein the negative pressure pipeline (60) is communicated with the cleaning device (10) and the negative pressure device (20), and the cleaning device (10) is used for cleaning the negative pressure pipeline (60);
the cleaning device (10) comprises:
a first pipeline (30);
the liquid storage tank (11), the liquid storage tank (11) and the negative pressure pipeline (60) are communicated through the first pipeline (30);
the air blowing assembly (13), the air blowing assembly (13) is arranged between the first pipeline (30) and the negative pressure pipeline (60), the air blowing assembly (13) is communicated with an air source, and the air source is communicated with the negative pressure pipeline (60).
2. The lithium battery formation device according to claim 1, characterized in that the gas blowing assembly (13) comprises a valve (131) and a gas reservoir, the valve (131) being used for controlling the gas in the gas reservoir to enter the negative pressure line (60).
3. The lithium battery formation apparatus according to any one of claims 1 or 2, characterized in that the cleaning device (10) further comprises an adjusting assembly (12) and a second pipe (40), the adjusting assembly (12) and the liquid storage tank (11) being in communication through the second pipe (40);
the regulating assembly (12) comprises a regulating valve (121), an air pressure pipeline (122) and a vacuum pipeline (123), wherein the regulating valve (121) is respectively communicated with the air pressure pipeline (122) and the vacuum pipeline (123), and the regulating valve (121) comprises a first working state and a second working state;
when the regulating valve (121) is in the first working state, the regulating valve (121) is communicated with the air pressure pipeline (122); when the regulating valve (121) is in the second working state, the regulating valve (121) is communicated with the vacuum pipeline (123).
4. A lithium battery formation device according to claim 3, characterized in that the liquid storage tank (11) comprises a first interface (111) and a second interface (112) which are arranged at intervals along the vertical direction, the first interface (111) is communicated with the second pipeline (40), and the second interface (112) is communicated with the first pipeline (30);
wherein the first interface (111) is higher than the second interface (112).
5. A lithium battery formation device according to claim 3, characterized in that the air pressure line (122) is provided with an air pressure interface (1221), the air pressure interface (1221) being connected to compressed air; the vacuum pipeline (123) is provided with a vacuum interface (1231), and the vacuum interface (1231) is connected to a negative pressure air source.
6. The lithium battery formation equipment according to claim 1, wherein the negative pressure device (20) comprises a high-temperature region negative pressure device (21), a vacuum breaking device (22), a gas-liquid separation device (23) and a normal-temperature region negative pressure device (24) which are sequentially communicated, and the lithium battery formation equipment further comprises a connecting pipeline;
the high-temperature region negative pressure device (21) is connected with the vacuum breaking device (22) through the negative pressure pipeline (60), the gas-liquid separation device (23) is connected with the high-temperature region negative pressure device (21) through the connecting pipeline, and the negative pressure pipeline (60) is communicated with the connecting pipeline;
wherein the blowing component (13) is connected between the vacuum breaking device (22) and the gas-liquid separation device (23) through the negative pressure pipeline (60).
7. The lithium battery formation apparatus according to claim 6, wherein the cleaning device (10) further comprises a cleaning agent container (14), and the normal temperature region negative pressure device (24) is communicated with the cleaning agent container (14);
the cleaning agent container (14) is communicated with the liquid storage tank (11) through the negative pressure pipeline (60) and the first pipeline (30).
8. The lithium battery formation equipment according to claim 7, wherein the normal temperature zone negative pressure device (24) comprises a two-way valve (241), an electromagnetic valve (242), a vacuum proportional valve (243) and an external negative pressure interface (244);
the two-way valve (241) is communicated with the gas-liquid separation device (23) through the connecting pipeline, the two-way valve (241), the electromagnetic valve (242) and the external negative pressure interface (244) are sequentially connected, and the vacuum proportional valve (243) is arranged between the electromagnetic valve (242) and the external negative pressure interface (244).
9. The lithium battery formation apparatus according to claim 8, wherein the normal temperature zone negative pressure device (24) further comprises an atmospheric filter (245) and a compressed air filtration triplet (246);
the atmospheric filter (245) and the compressed air filtration triplet (246) are both connected to the vacuum proportional valve (243).
10. The lithium battery formation apparatus according to any one of claims 8 or 9, wherein the high temperature zone negative pressure device (21) comprises a negative pressure assembly, a collecting pipe (215), and a teflon pipe (216) connected to the collecting pipe (215), the collecting pipe (215) being in communication with the gas-liquid separation device (23);
the negative pressure assembly comprises a negative pressure cup (214), a negative pressure cup rod (213), a negative pressure suction nozzle (212) and a liquid injection port (211), one end of the negative pressure cup rod (213) is connected to the negative pressure cup (214), the other end of the negative pressure cup rod (213) is connected to the negative pressure suction nozzle (212), and the negative pressure suction nozzle (212) is communicated with the liquid injection port (211) of the battery unit (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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