CN210268079U - Lithium battery dewatering and drying mechanism based on high vacuum and cold trap - Google Patents
Lithium battery dewatering and drying mechanism based on high vacuum and cold trap Download PDFInfo
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- CN210268079U CN210268079U CN201921130174.4U CN201921130174U CN210268079U CN 210268079 U CN210268079 U CN 210268079U CN 201921130174 U CN201921130174 U CN 201921130174U CN 210268079 U CN210268079 U CN 210268079U
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Abstract
The utility model discloses a lithium battery dewatering and drying mechanism based on high vacuum and cold trap, which comprises a moving mechanism, a moving carrier, a cold trap and a vacuum pump; the mobile mechanism is fixedly connected with a mobile carrier, the mobile carrier is provided with a plurality of battery bins and sealing rings, batteries to be dried are placed in the battery bins, the sealing rings wrap the battery bins to form a vacuum cavity body, the sealing rings are connected with a cold trap and a vacuum pump through vacuum pipelines, the vacuum pump is used for vacuumizing the vacuum cavity body, and the cold trap captures water vapor in air; after the current battery is dry, the moving mechanism drives the moving carrier to move, and the other battery compartment moves to the sealing ring to dry the next battery. The utility model has the advantages that: the dewatering and drying operation of the lithium battery can be realized on line, the operation procedures of vacuumizing, heating, water vapor capturing and battery transferring in the dewatering and drying process are integrated, and the stability of the dewatering and drying mechanism of the lithium battery is improved.
Description
Technical Field
The utility model relates to a dry technical field of battery, especially a lithium cell dewatering drying mechanism based on high vacuum and cold-trap.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. In order to ensure the quality and the service life of the lithium battery, dewatering and drying are an essential link in the production process of the battery. The dewatering and drying operation needs to vacuumize, heat and capture water vapor of the storage environment of the battery, and the dried lithium battery needs to be transported and transferred. The existing dewatering and drying technology realizes corresponding functions of the above mentioned processes according to an independent and separated mechanism, so that the overall equipment has the problems of large volume, complex connection structure and the like, and the stability problem also exists in the operation process. Therefore, in order to improve the stability of the dewatering and drying apparatus in performing its functions, a skilled person is required to further improve the apparatus.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, a lithium cell dewatering drying mechanism based on high vacuum and cold-trap is provided.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a lithium battery dewatering and drying mechanism based on high vacuum and cold trap comprises a moving mechanism, a moving carrier, a cold trap and a vacuum pump; the mobile mechanism is fixedly connected with a mobile carrier, the mobile carrier is provided with a plurality of battery bins and sealing rings, batteries to be dried are placed in the battery bins, the sealing rings wrap the battery bins to form a vacuum cavity body, the sealing rings are connected with a cold trap and a vacuum pump through vacuum pipelines, the vacuum pump is used for vacuumizing the vacuum cavity body, and the cold trap captures water vapor in air; after the current battery is dry, the moving mechanism drives the moving carrier to move, and the other battery compartment moves to the sealing ring to dry the next battery.
In the technical scheme, the moving mechanism is a screw nut sleeve, a crank connecting rod or a four-bar linkage.
In the technical scheme, a plurality of limiting grooves are formed in the movable carrier, the limiting grooves are formed in two ends of the battery bin, and the sealing ring is matched with the limiting grooves.
In the technical scheme, the movable carrier is provided with a fluid inlet and a fluid outlet, and external fluid enters the movable carrier through the fluid inlet to exchange heat with the movable carrier and then flows out of the fluid outlet.
The utility model has the advantages that: the utility model provides a lithium cell dewatering drying mechanism based on high vacuum and cold-trap can realize the dewatering drying operation of lithium cell on line, and the operating procedure of evacuation, heating, steam capture, battery transfer among the integrated dewatering drying process improves the stability of lithium cell dewatering drying mechanism.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
In the figure, 10 — the moving mechanism; 11-a connector; 20-moving the carrier; 21-a battery compartment; 22-a sealing ring; 23-vacuum chamber; 24-electric core; 25-a limit groove; 26-a fluid inlet; 27-a fluid outlet; 30-a cold trap; 31-a vacuum line; 40-vacuum pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a lithium battery dewatering and drying mechanism based on high vacuum and cold trap includes a moving mechanism 10, a moving carrier 20, a cold trap 30 and a vacuum pump 40. The moving mechanism 10 is fixedly connected with the moving carrier 20, and the moving mechanism 10 is mainly used for driving the moving carrier 20 to move so as to realize the alternation of the working procedures of battery loading, drying and dewatering and battery unloading on the moving carrier 20. The moving mechanism 10 can adopt a screw nut sleeve, a crank connecting rod or a four-bar linkage to realize the function of reciprocating motion, a connecting piece 11 is arranged on the moving mechanism 10, and the moving mechanism 10 and the moving carrier 20 are connected and fixed through the connecting piece 11.
On the mobile carrier 20, a plurality of battery compartments 21 may be provided, and the battery compartments 21 are used for placing the battery cells 24 to be dried; a sealing ring 22 is arranged on the periphery of the movable carrier 20, and the sealing ring 22 can seal and wrap one battery compartment 21 to form a vacuum cavity 23; in order to align the sealing rings 22 correctly with the individual battery compartments 21, a plurality of retaining grooves 25 are provided on the mobile carrier 20, the retaining grooves 25 being located at both ends of the battery compartments 21. The movable carrier 20 moves so that the current battery compartment 21 leaves the sealing ring 22, the next battery compartment 21 enters the sealing ring 22, and a new vacuum cavity 23 is formed when the limiting grooves 25 at the two ends of the next battery compartment 21 match the sealing ring 22. Wherein, two adjacent battery compartments 21 can share one limiting groove 25. A fluid inlet 26 and a fluid outlet 27 are further provided on the moving carrier 20, and a fluid enters through the fluid inlet 26 to be heat-exchanged with the moving carrier 20 and then flows out through the fluid outlet 27, so as to control the temperature of the vacuum chamber 23 within a range in which moisture can be evaporated while not damaging the battery. The fluid may be hot water, steam, hot oil, or the like, but is not limited thereto.
The sealing ring 22 is connected with the cold trap 30 and the vacuum pump 40 in sequence through a vacuum pipeline 31, and the vacuum pipeline 31 is communicated with the vacuum cavity 23. The cold trap 30 is a trap for collecting gas in a condensation manner on a cooled surface, the cold trap 30 is disposed between the vacuum chamber 23 and the vacuum pump 40, the vacuum pump 40 vacuumizes the vacuum chamber 23, and moisture is collected when the gas passes through the cold trap 30, thereby performing a drying function.
The first embodiment of the present invention is shown in fig. 1, wherein a mobile carrier 20 with 2 battery compartments 21 is shown, 3 limiting grooves 25 are provided in the left and right ends and the middle of each of the 2 battery compartments 21, and a fluid inlet 26 and a fluid outlet 27 are provided in the left and right ends of the mobile carrier 20. The working mode is as follows:
(1) fluid exchanges heat with the moving carrier 20 through a fluid inlet 26 and a fluid outlet 27 to maintain a temperature for water removal and drying;
(2) the moving mechanism 10 drives the moving carrier 20 to move in the horizontal direction, so that the limiting grooves 25 on the two sides of the left battery compartment 21 are matched with the sealing ring 22 to form a vacuum cavity 23, the batteries in the vacuum cavity 23 are subjected to dehydration and drying through the cold trap 30 and the vacuum pump 40, and meanwhile, the batteries to be dried are placed in the right battery compartment 21;
(3) the moving mechanism 10 drives the moving carrier 20 to move in the horizontal direction, so that the limiting grooves 25 on the two sides of the right battery compartment 21 are matched with the sealing ring 22 to form a new vacuum cavity 23, the batteries in the new vacuum cavity 23 are subjected to dehydration and drying through the cold trap 30 and the vacuum pump 40, and meanwhile, the batteries on the left side which are dehydrated and dried are taken out, and new batteries to be dried are put in;
(4) and (3) repeating the steps (2) and (3), wherein the movable carrier 20 reciprocates, and the processes of loading the battery, removing water, drying and unloading the battery are repeated.
In actual production operation, a plurality of moving carriers 20 can be arranged on the moving mechanism 10 according to production requirements, so as to improve the efficiency of dewatering and drying.
The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a lithium cell dewatering drying mechanism based on high vacuum and cold-trap which characterized in that: comprises a moving mechanism, a moving carrier, a cold trap and a vacuum pump; the mobile mechanism is fixedly connected with the mobile carrier, the mobile carrier is provided with a plurality of battery bins and sealing rings, batteries to be dried are placed in the battery bins, the sealing rings wrap the battery bins to form a vacuum cavity body, the sealing rings are connected with a cold trap and a vacuum pump through vacuum pipelines, the vacuum pump is used for vacuumizing the vacuum cavity body, and the cold trap captures water vapor in air; after the current battery is dry, the moving mechanism drives the moving carrier to move, and the other battery compartment moves to the sealing ring to dry the next battery.
2. The high vacuum and cold trap based dewatering and drying mechanism for lithium batteries according to claim 1, characterized in that: the moving mechanism is a screw rod nut sleeve, a crank connecting rod or a four-bar connecting rod.
3. The high vacuum and cold trap based dewatering and drying mechanism for lithium batteries according to claim 1, characterized in that: the movable carrier is provided with a plurality of limiting grooves, the limiting grooves are formed in two ends of the battery bin, and the sealing rings are matched with the limiting grooves.
4. The high vacuum and cold trap based dewatering and drying mechanism for lithium batteries according to claim 1, characterized in that: the movable carrier is provided with a fluid inlet and a fluid outlet, and external fluid enters the movable carrier through the fluid inlet to exchange heat with the movable carrier and then flows out of the fluid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921130174.4U CN210268079U (en) | 2019-07-18 | 2019-07-18 | Lithium battery dewatering and drying mechanism based on high vacuum and cold trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921130174.4U CN210268079U (en) | 2019-07-18 | 2019-07-18 | Lithium battery dewatering and drying mechanism based on high vacuum and cold trap |
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| CN210268079U true CN210268079U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921130174.4U Active CN210268079U (en) | 2019-07-18 | 2019-07-18 | Lithium battery dewatering and drying mechanism based on high vacuum and cold trap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243166A (en) * | 2019-07-18 | 2019-09-17 | 国兴(东莞)新能源科技有限公司 | It is a kind of that drier is removed water based on the lithium battery of high vacuum and cold-trap |
-
2019
- 2019-07-18 CN CN201921130174.4U patent/CN210268079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243166A (en) * | 2019-07-18 | 2019-09-17 | 国兴(东莞)新能源科技有限公司 | It is a kind of that drier is removed water based on the lithium battery of high vacuum and cold-trap |
| CN110243166B (en) * | 2019-07-18 | 2024-07-09 | 国兴(东莞)新能源科技有限公司 | Lithium battery dewatering and drying mechanism based on high vacuum and cold trap |
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