CN214672727U - Negative pressure system suitable for lithium ion battery formation - Google Patents
Negative pressure system suitable for lithium ion battery formation Download PDFInfo
- Publication number
- CN214672727U CN214672727U CN202120886781.4U CN202120886781U CN214672727U CN 214672727 U CN214672727 U CN 214672727U CN 202120886781 U CN202120886781 U CN 202120886781U CN 214672727 U CN214672727 U CN 214672727U
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- CN
- China
- Prior art keywords
- negative pressure
- lithium ion
- ion battery
- box body
- pressure system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 33
- 230000015572 biosynthetic process Effects 0.000 title claims description 14
- 239000007788 liquid Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 abstract description 27
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a negative pressure system suitable for lithium ion battery ization becomes, the power distribution box comprises a box body and a box cover, separation platform and outlet duct do not have the setting of coincidence with the projection of exhaust tube on the mount pad, can block the electrolyte of taking out and make electrolyte stay in the vacuum chamber, in avoiding the pipe-line system of the direct suction negative pressure system of electrolyte, cause the harm to pipe-line system, spigot surface cooperation bottom edge can play the guide effect to electrolyte for the vacuum chamber of cambered surface, be favorable to the backward flow of electrolyte, reduce the loss of electrolyte, a spring, the setting of pressfitting face and slidable exhaust tube, make the cooperation of lithium ion battery inlet and negative pressure system exhaust tube smoother, can improve exhaust tube and inlet complex inseparable degree on the one hand, still can overcome the error that lithium ion battery assembled to produce simultaneously, further guarantee the leakproofness of gas circuit.
Description
Technical Field
The utility model relates to a battery ization becomes technical field, especially relates to the negative pressure system who is applicable to lithium ion battery ization becomes.
Background
Can produce harmful gas at lithium ion battery negative pressure formation in-process, prior art adopts the mode of taking out the negative pressure to discharge harmful gas, nevertheless at this in-process, can take out a certain amount of electrolyte and cause the waste of electrolyte, the untight condition appears easily when current exhaust tube and lithium ion battery's inlet joint simultaneously, causes electrolyte to leak, still exists simultaneously and directly takes out electrolyte to damage pipe-line system's the condition in the pipe-line system of vacuum system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a negative pressure system suitable for lithium ion battery ization becomes to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the negative pressure system suitable for formation of the lithium ion battery comprises a box body and a box cover, wherein the box cover is buckled at the top of the box body and can be lifted to open the box body, a first driving unit for driving the box cover to lift is arranged on the outer side of the box body, a lifting mounting seat and a second driving unit for driving the mounting seat to lift are arranged in the box body, a plurality of mounting cavities matched with the lithium ion battery are arranged in the mounting seat, a plurality of vacuum cavities are arranged in the box cover, a blocking platform is arranged in each vacuum cavity, an outer sleeve and an air outlet pipe communicated with the vacuum cavities are arranged on the box cover, an exhaust pipe is connected in the outer sleeve in a sliding mode, the end part of the exhaust pipe is matched with a liquid inlet of the lithium ion battery, no overlapping part exists between the air outlet pipe and the projection of the exhaust pipe on the mounting seat, a spring is arranged on the outer side of the exhaust pipe, the two ends of the spring are respectively connected with the outer sleeve and the outer edge of the exhaust pipe, and the exhaust pipe, a single gas circuit is formed by the exhaust pipe, the plurality of the exhaust pipe, the vacuum cavities and the exhaust pipe, the box cover is internally provided with a negative pressure sensor for detecting a negative pressure value of the gas circuit, the gas outlet pipe is connected with the vacuum pump through a pipeline, the box body is further provided with a controller, and the first driving unit, the second driving unit, the negative pressure sensor and the vacuum pump are all electrically connected with the controller.
The first driving unit is provided with two first air cylinders, piston rods of the first air cylinders are connected with the box cover, the two first air cylinders are symmetrically distributed around the box body, and the first air cylinders are electrically connected with the controller.
The box outside is provided with two first guide units about the box symmetry, and first guide unit includes first sliding sleeve and the first slide bar with first sliding sleeve sliding connection, and first sliding sleeve is connected with the box, and first slide bar is connected with the case lid.
The second driving unit is a second air cylinder, a piston rod of the second air cylinder is connected with the mounting seat, and the second air cylinder is electrically connected with the controller.
The box is internally provided with a plurality of second guide units, the second guide units are distributed at four corners of the mounting seat, each second guide unit comprises a second sliding sleeve and a second sliding rod in sliding connection with the second sliding sleeve, the second sliding sleeve is connected with the box, and the second sliding rod is connected with the mounting seat.
The inner wall of the box body is provided with a guide groove, and the mounting seat is connected with the guide groove in a sliding mode.
The bottom end edge of the box cover is step-shaped and is matched with the guide groove.
And a guide surface is arranged on the inner edge of the top end of the exhaust tube.
And an arc-shaped pressing surface is arranged on the inner edge of the bottom end of the exhaust pipe.
The utility model has the advantages that:
1. the arrangement of the projection of the blocking table, the air outlet pipe and the projection of the exhaust pipe on the mounting seat are free of overlapping parts, so that pumped electrolyte can be blocked, the electrolyte can be left in the vacuum cavity, and the damage to a pipeline system caused by the fact that the electrolyte is directly pumped into the pipeline system in the negative pressure system is avoided.
2. The vacuum cavity that the guide surface cooperation bottom edge is the cambered surface can play the guide effect to electrolyte, is favorable to the backward flow of electrolyte, reduces the loss of electrolyte.
3. Spring, pressfitting face and slidable exhaust tube's setting for the cooperation of lithium ion battery inlet and negative pressure system exhaust tube is more smooth, can improve the inseparable degree of exhaust tube and inlet complex on the one hand, still can overcome the error that lithium ion battery assembly produced simultaneously, further guarantees the leakproofness of gas circuit.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
fig. 3 is a partially enlarged schematic view of the structure at a in fig. 1 according to the present invention.
In the figure, 1, a box body; 2. a box cover; 3. a first guide unit; 4. a first cylinder; 5. a mounting seat; 6. a mounting cavity; 7. a second cylinder; 8. a second guide unit; 9. a vacuum chamber; 10. a blocking table; 11. an air outlet pipe; 12. a negative pressure sensor; 13. an outer sleeve; 14. an air exhaust pipe; 15. a spring; 16. a guide surface; 17. pressing and kneading the dough; 18. a guide groove.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
Please refer to fig. 1-3, the embodiment of the utility model provides a negative pressure system suitable for lithium ion battery ization becomes, including box 1 and case lid 2, case lid 2 lock is opened box 1 at 1 top of box and liftable, 1 outside of box is provided with the first drive unit that drives 2 lifts of case lid, first drive unit can choose for use first cylinder 4, first cylinder 4 is two, the piston rod of first cylinder 4 is connected with case lid 2, two first cylinders 4 are about 1 symmetric distribution of box, be provided with mount pad 5 in the box 1, be provided with a plurality of installation cavities 6 that match with lithium ion battery in the mount pad 5, 1 inner wall of box is provided with guide way 18, mount pad 5 and 18 sliding connection of guide way, 2 bottom edges of case lid are the step form and match the setting with guide way 18, seal structure can be add at the bottom edge of step form, guarantee the leakproofness of system.
Referring to fig. 2, the first cylinder 4 is started to open the box cover 2, the lithium ion battery to be treated is loaded, and then the box cover 2 is closed again to close the box body 1; referring to fig. 1, two first guide units 3 symmetrical about the box body 1 are arranged on the outer side of the box body 1, each first guide unit 3 comprises a first sliding sleeve and a first sliding rod in sliding connection with the first sliding sleeve, the first sliding sleeve is fixedly connected with the box body 1, the first sliding rod is fixedly connected with the box cover 2, and the opening and closing processes of the box body 1 are more stable due to the arrangement of the first guide units 3.
A second driving unit is also arranged in the box body 1, the second driving unit can be a second air cylinder 7, a piston rod of the second air cylinder 7 is fixedly connected with the mounting seat 5, the second air cylinder 7 can be started to control the lifting of the mounting seat 5 after the box body 1 is closed, and the matching and the separation of a liquid inlet of the lithium ion battery and an exhaust pipe 14 of a negative pressure system can be realized; the inside a plurality of second guide units 8 that are provided with of box 1, a plurality of second guide units 8 distribute in 5 four corners of mount pad, second guide unit 8 include the second sliding sleeve and with second sliding sleeve sliding connection's second slide bar, second sliding sleeve and box 1 fixed connection, the second slide bar is connected with 5 regulations of mount pad, the setting up of second guide unit 8 makes the operation of mount pad 5 more steady.
The box cover 2 is internally provided with a plurality of vacuum cavities 9, the bottom edges of the vacuum cavities 9 are cambered surfaces which are beneficial to backflow of pumped electrolyte, the vacuum cavities 9 are internally provided with a separation table 10, the box cover 2 is provided with an outer sleeve 13 and an air outlet pipe 11 which are communicated with the vacuum cavities 9, the air outlet pipe 14, the vacuum cavities 9 and the air outlet pipe 11 form a single air path, the air outlet pipe 11 and the projection of the air outlet pipe 14 on the mounting seat 5 do not have a superposition part, the arrangement can block the pumped electrolyte and enable the electrolyte to stay in the vacuum cavities 9, and damage to a pipeline system caused by the fact that the electrolyte is directly pumped into the pipeline system in a negative pressure system is avoided.
Be provided with the negative pressure sensor 12 that detects gas circuit negative pressure value in the case lid 2, outlet duct 11 passes through pipeline and vacuum pump connection, still is provided with the controller on the box 1, and first cylinder 4, second cylinder 7, negative pressure sensor 12 and vacuum pump all with controller electric connection, and above-mentioned controller, first cylinder 4, second cylinder 7, negative pressure sensor 12 and vacuum pump are prior art and do not give unnecessary details here.
After the lithium ion battery to be processed is loaded, vacuum pumping is performed to form negative pressure, the vacuum pump stops working after the negative pressure sensor 12 reaches a preset value, formation starts, gas generated by formation can be pumped out along a gas path and is processed in a centralized mode, the vacuum degree in the system can be changed in the process, the negative pressure sensor 12 can control starting and stopping of the vacuum pump, the vacuum degree in the negative pressure system is guaranteed to be in the preset value, in addition, certain electrolyte can be pumped out in the process of gas pumping, the electrolyte can be stored temporarily in the vacuum cavity 9, when the vacuum state is broken, the electrolyte can flow back to the inside of the battery, and loss of the electrolyte is reduced.
An exhaust tube 14 is connected in the outer sleeve 13 in a sliding manner, the lower end part of the exhaust tube 14 is matched with a liquid inlet of the lithium ion battery, referring to fig. 3, a guide surface 16 is arranged on the inner edge of the top end of the exhaust tube 14, and the guide surface 6 is matched with a vacuum chamber 9 with the bottom edge being an arc surface to guide the electrolyte, so that the backflow of the electrolyte is facilitated, and the residue of the electrolyte in the vacuum chamber 9 is reduced; the inner edge of the bottom end of the exhaust tube 14 is provided with an arc-shaped pressing surface 17, so that when the mounting seat 5 ascends, the liquid inlet of the lithium ion battery is more smoothly matched with the exhaust tube 14 of the negative pressure system, and the sealing performance of the air circuit is further ensured.
The outside of exhaust tube 14 is provided with spring 15, and spring 15's both ends respectively with outer tube 13 and 14 outer fringe fixed connection of exhaust tube, spring 15 and slidable exhaust tube 14's setting can improve the inseparable degree of exhaust tube 14 and inlet complex on the one hand, still can overcome the error that lithium ion battery assembled the production simultaneously, further guarantees the leakproofness of gas circuit.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (9)
1. Negative pressure system suitable for lithium ion battery ization becomes, including box (1) and case lid (2), its characterized in that: the box cover (2) is buckled at the top of the box body (1) and can be lifted to open the box body (1), a first driving unit for driving the box cover (2) to lift is arranged on the outer side of the box body (1), a lifting mounting seat (5) and a second driving unit for driving the mounting seat (5) to lift are arranged in the box body (1), a plurality of mounting cavities (6) matched with the lithium ion battery are arranged in the mounting seat (5), a plurality of vacuum cavities (9) are arranged in the box cover (2), a blocking platform (10) is arranged in each vacuum cavity (9), an outer sleeve (13) and an air outlet pipe (11) communicated with the vacuum cavities (9) are arranged on the box cover (2), an exhaust pipe (14) is connected in the outer sleeve (13) in a sliding mode, the end part of the exhaust pipe (14) is matched with a liquid inlet of the lithium ion battery, and the air outlet pipe (11) and the projection of the exhaust pipe (14) on the mounting seat (5) do not have a superposition part, the outer side of the exhaust pipe (14) is provided with a spring (15), two ends of the spring (15) are respectively connected with the outer sleeve (13) and the outer edge of the exhaust pipe (14), the plurality of vacuum cavities (9) and the air outlet pipe (11) form a single air path, a negative pressure sensor (12) for detecting the negative pressure value of the air path is arranged in the box cover (2), the air outlet pipe (11) is connected with a vacuum pump through a pipeline, the box body (1) is further provided with a controller, and the first driving unit, the second driving unit, the negative pressure sensor (12) and the vacuum pump are all electrically connected with the controller.
2. The negative pressure system suitable for lithium ion battery formation of claim 1, wherein: the first driving unit is provided with two first air cylinders (4), a piston rod of each first air cylinder (4) is connected with the box cover (2), the two first air cylinders (4) are symmetrically distributed relative to the box body (1), and the first air cylinders (4) are electrically connected with the controller.
3. The negative pressure system suitable for lithium ion battery formation of claim 1, wherein: the box body (1) outside is provided with two first guide units (3) about box body (1) symmetry, and first guide unit (3) include first sliding sleeve and with first sliding sleeve sliding connection's first slide bar, first sliding sleeve is connected with box body (1), first slide bar is connected with case lid (2).
4. The negative pressure system suitable for lithium ion battery formation of claim 1, wherein: the second driving unit is a second air cylinder (7), a piston rod of the second air cylinder (7) is connected with the mounting seat (5), and the second air cylinder (7) is electrically connected with the controller.
5. The negative pressure system suitable for lithium ion battery formation of claim 1, wherein: the box body (1) is internally provided with a plurality of second guide units (8), the second guide units (8) are distributed at four corners of the mounting seat (5), each second guide unit (8) comprises a second sliding sleeve and a second sliding rod which is in sliding connection with the second sliding sleeve, the second sliding sleeve is connected with the box body (1), and the second sliding rod is connected with the mounting seat (5).
6. The negative pressure system suitable for lithium ion battery formation of claim 1, wherein: the inner wall of the box body (1) is provided with a guide groove (18), and the mounting seat (5) is connected with the guide groove (18) in a sliding mode.
7. The negative pressure system suitable for lithium ion battery formation of claim 6, wherein: the bottom end edge of the box cover (2) is step-shaped and is matched with the guide groove (18).
8. The negative pressure system suitable for lithium ion battery formation of claim 1, wherein: the inner edge of the top end of the air suction pipe (14) is provided with a guide surface (16).
9. The negative pressure system suitable for lithium ion battery formation of claim 1, wherein: and an arc-shaped pressing surface (17) is arranged on the inner edge of the bottom end of the air exhaust pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886781.4U CN214672727U (en) | 2021-04-27 | 2021-04-27 | Negative pressure system suitable for lithium ion battery formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886781.4U CN214672727U (en) | 2021-04-27 | 2021-04-27 | Negative pressure system suitable for lithium ion battery formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214672727U true CN214672727U (en) | 2021-11-09 |
Family
ID=78472134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120886781.4U Expired - Fee Related CN214672727U (en) | 2021-04-27 | 2021-04-27 | Negative pressure system suitable for lithium ion battery formation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214672727U (en) |
-
2021
- 2021-04-27 CN CN202120886781.4U patent/CN214672727U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |