CN220731614U - Battery formation thermal circulation system - Google Patents
Battery formation thermal circulation system Download PDFInfo
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- CN220731614U CN220731614U CN202322351145.3U CN202322351145U CN220731614U CN 220731614 U CN220731614 U CN 220731614U CN 202322351145 U CN202322351145 U CN 202322351145U CN 220731614 U CN220731614 U CN 220731614U
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 127
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000005382 thermal cycling Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000003792 electrolyte Substances 0.000 description 1
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Abstract
The utility model discloses a battery formation thermal circulation system, which comprises a box body and a thermal circulation device, wherein a formation cavity is arranged in the box body, at least one group of battery formation devices are arranged in the formation cavity, the thermal circulation device comprises a heater, an output pipeline, a split cover and a backflow pipeline, the output end of the heater is communicated with one end of the output pipeline, the other end of the output pipeline is communicated with the split cavity in the split cover, the split cover is arranged at the upper end in the formation cavity, the split cover is positioned above the battery formation devices, a plurality of first air outlet holes are distributed on the lower surface of the split cover, a plurality of second air outlet holes are formed on the peripheral side surfaces of the split cover, the split cavity is communicated with the formation cavity through the first air outlet holes and the second air outlet holes, the lower end of the formation cavity is communicated with one end of the backflow pipeline, and the other end of the backflow pipeline is communicated with the input end of the heater.
Description
Technical Field
The utility model relates to the technical field of battery production equipment, in particular to a battery formation thermal circulation system.
Background
In the production process of the battery, batch formation activation is needed by using formation equipment, namely, current is loaded between positive and negative poles of the battery, the current passes through the inside of the battery, electrolyte, positive electrode materials and negative electrode materials of the battery are subjected to chemical reaction, and the battery is formed in a high-temperature environment, so that a thermal circulation device and a formation cavity are generally arranged on the formation equipment, the formation cavity is provided with the battery formation device, the thermal circulation device inputs hot air into the formation cavity, so that the formation cavity reaches the high-temperature environment, but the hot air input into the formation cavity by the conventional thermal circulation device is uneven, so that the temperature difference of different positions in the formation cavity is large, and the formation quality of the battery is affected.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a battery formation thermal circulation system which uniformly inputs hot air into a formation cavity through a flow dividing cover, so that the temperature difference of different positions in the formation cavity is small, and the formation quality of a battery is ensured.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the battery formation thermal circulation system comprises a box body and a thermal circulation device, wherein a formation cavity is formed in the box body, at least one group of battery formation devices are arranged in the formation cavity, the thermal circulation device comprises a heater, an output pipeline, a flow dividing cover and a backflow pipeline, the output end of the heater is communicated with one end of the output pipeline, the other end of the output pipeline is communicated with the flow dividing cavity in the flow dividing cover, the flow dividing cover is arranged at the upper end of the formation cavity, the flow dividing cover is positioned above the battery formation devices, a plurality of first air outlet holes are distributed on the lower surface of the flow dividing cover, a plurality of second air outlet holes are formed in the peripheral side surfaces of the flow dividing cover, the flow dividing cavity is communicated with the formation cavity through the first air outlet holes and the second air outlet holes, the lower end of the formation cavity is communicated with one end of the backflow pipeline, and the other end of the backflow pipeline is communicated with the input end of the heater; through set up in the thermal cycle device that constitutes by heater, the output pipeline, the reposition of redundant personnel cover and return line, the upper end in formation intracavity is located to the reposition of redundant personnel cover, the reposition of redundant personnel cover is located battery formation device's top, the lower surface distribution of reposition of redundant personnel cover has a plurality of first ventholes, the side surface all around of reposition of redundant personnel cover all is equipped with a plurality of second ventholes, the reposition of redundant personnel chamber passes through first venthole and second venthole and formation intracavity intercommunication, during operation, the hot air of heater output reachs the reposition of redundant personnel chamber behind the output pipeline, the hot air in reposition of redundant personnel chamber is from first venthole downwards evenly output to formation intracavity, simultaneously evenly export to formation intracavity all around from the second venthole, make formation intracavity reach high temperature environment, the air in the formation intracavity moves downwards and returns to the heater after the return line, thereby reach the thermal cycle purpose, evenly input formation intracavity from a plurality of directions through setting up the reposition of redundant personnel cover, make the difference in different positions of formation intracavity little, thereby guarantee battery formation quality.
As a preferable scheme, the aperture of the first air outlet holes is 4-6 mm, and the area of all the first air outlet holes accounts for 20-40% of the area of the lower surface of the flow distribution cover.
As a preferable scheme, the area of the first air outlet hole occupies 30% of the area of the lower surface of the split cover.
As a preferable scheme, the aperture of the first air outlet hole is 5mm.
As a preferable scheme, the center of the upper surface of the diversion cover is provided with an air inlet communicated with the diversion cavity, and the other end of the output pipeline is communicated with the air inlet.
As a preferred embodiment, the diverter cover is a rectangular diverter cover.
As a preferable scheme, the box body is also internally provided with a containing cavity, the containing cavity is positioned at one side of the formation cavity, and the heater is arranged in the containing cavity.
As a preferable scheme, the inner side walls of the periphery of the formation cavity are provided with heat insulation cotton.
As a preferable scheme, the formation cavity comprises an upper formation cavity and a lower formation cavity which are arranged up and down, the upper formation cavity is communicated with the lower formation cavity, the split cover is arranged in the upper formation cavity, the battery formation device is provided with two groups, the two groups of battery formation devices are respectively arranged in the upper formation cavity and the lower formation cavity, and one end of the return pipeline is communicated with the lower formation cavity.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, through the thermal circulation device formed by the heater, the output pipeline, the split cover and the backflow pipeline, the split cover is arranged at the upper end in the formation cavity, the split cover is positioned above the battery formation device, the lower surface of the split cover is distributed with a plurality of first air outlet holes, the peripheral side surfaces of the split cover are respectively provided with a plurality of second air outlet holes, the split cavity is communicated with the formation cavity through the first air outlet holes and the second air outlet holes, when in operation, the hot air output by the heater reaches the split cavity after passing through the output pipeline, the hot air of the split cavity is downwards and uniformly output to the formation cavity from the first air outlet holes, and simultaneously, the hot air of the split cavity is uniformly output to the formation cavity from the second air outlet holes to the periphery, so that the formation cavity reaches a high-temperature environment, the air in the formation cavity downwards moves and returns to the heater after passing through the backflow pipeline, thereby achieving the thermal circulation purpose, the hot air is uniformly input into the formation cavity from a plurality of directions, so that the temperature difference of different positions in the formation cavity is small, and the battery formation quality is ensured.
For a clearer description of the structural features, technical means, and specific objects and functions achieved by the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic diagram of a box structure according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present utility model;
FIG. 3 is a schematic view of the battery formation apparatus shown removed;
FIG. 4 is a schematic view of a diverter housing according to an embodiment of the present utility model;
FIG. 5 is a schematic view of another view of the mask according to an embodiment of the utility model.
The attached drawings are used for identifying and describing:
10-case 11-formation chamber 111-upper formation chamber
112-lower formation chamber 12-battery formation device 13-accommodation chamber
20-thermal cycle device 21-heater 22-output pipeline
23-flow diversion cover 231-lower surface 232-side surface
233-upper surface 24-return line 25-shunt chamber
26-first air outlet hole 27-second air outlet hole 28-air inlet
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
As shown in fig. 1-5, the utility model discloses a battery formation thermal circulation system, which comprises a box body 10 and a thermal circulation device 20, wherein a formation cavity 11 is arranged in the box body 10, heat insulation cotton (not shown) is arranged on the inner side wall of the periphery of the formation cavity 11, the heat insulation cotton is used for insulating the formation cavity 11, at least one group of battery formation devices 12 are arranged in the formation cavity 11, the thermal circulation device 20 comprises a heater 21, an output pipeline 22, a shunt cover 23 and a backflow pipeline 24, the heater 21 is of the prior art, the principle is that air with lower temperature is heated and then output, the output end of the heater 21 is communicated with one end of the output pipeline 22, the other end of the output pipeline 22 is communicated with a shunt cavity 25 in the shunt cover 23, the shunt cover 23 is arranged at the upper end of the formation cavity 11, the shunt cover 23 is positioned above the battery formation device 12, a plurality of first air outlet holes 26 are distributed on the lower surface 231 of the shunt cover 23, the side surface 232 of the shunt cover 23 is provided with a plurality of second air outlet holes 27, the second outlet holes 27 are communicated with the other end of the backflow pipeline 24, and the second outlet holes 27 are communicated with the other end of the backflow pipeline 11.
The aperture of the first air outlet holes 26 is 4 mm-6 mm, and the area of all the first air outlet holes 26 accounts for 20% -40% of the area of the lower surface 231 of the split cover 23; by setting the aperture of the first air outlet holes 26 to be 4 mm-6 mm, the first air outlet holes 26 with small apertures are adopted, and the area of all the first air outlet holes 26 accounts for 20% -40% of the area of the lower surface 231 of the lower split cover 23, so that hot air in the split cavity 25 can be discharged from other first air outlet holes 26 and second air outlet holes 27 far away from the center of the split cavity 25, and the split cover 23 can uniformly output the hot air downwards and peripherally into the formation cavity 11.
Specifically, the area of the first air outlet hole 26 occupies 30% of the area of the lower surface 231 of the split cover 23, the aperture of the first air outlet hole 26 is 5mm, and the aperture of the second air outlet hole 27 is the same as the aperture of the first air outlet hole 26.
The center of the upper surface 233 of the split cover 23 is provided with an air inlet 28 communicated with the split cavity 25, and the other end of the output pipeline 22 is communicated with the air inlet 28; by disposing the air inlet 28 at the center of the upper surface 233 of the split cover 23, the hot air of the output duct 22 is introduced into the split chamber 25 and then diffused to the first air outlet holes 26 and the second air outlet holes 27.
The diverter cover 23 is a rectangular diverter cover 23, specifically, the diverter cover 23 is a square diverter cover 23, and it is understood that the diverter cover 23 of the present utility model may also be a pie-shaped diverter cover 23.
The box body 10 is also provided with a containing cavity 13, the containing cavity 13 is positioned at one side of the formation cavity 11, and the heater 21 is arranged in the containing cavity 13.
The forming cavity 11 comprises an upper forming cavity 111 and a lower forming cavity 112 which are arranged up and down, the upper forming cavity 111 is communicated with the lower forming cavity 112, the split cover 23 is arranged in the upper forming cavity 111, the battery forming devices 12 are provided with two groups, the two groups of battery forming devices 12 are respectively arranged in the upper forming cavity 111 and the lower forming cavity 112, and one end of the return pipeline 24 is communicated with the lower forming cavity 112; by arranging the upper formation cavity 111 and the lower formation cavity 112, the two groups of battery formation devices 12 are fully distributed by utilizing the internal space of the box body 10, so that the production efficiency is improved, the height of the whole formation cavity 11 is higher, the hot air has better fluidity from top to bottom, and the thermal circulation effect is better.
The working principle of the utility model is as follows: the battery is placed on the battery formation device 12, the heater 21 is started, and hot air output by the heater 21 sequentially passes through the output pipeline 22, the air inlet 28, the flow distribution cavity 25, the first air outlet hole 26 (and the second air outlet hole 27), the formation cavity 11 and the return pipeline 24 and then returns to the heater 21, and when the air temperature in the formation cavity 11 reaches 80 degrees, the battery formation device 12 performs formation operation on the battery.
In summary, the heat circulation device 20 is formed by the heater 21, the output pipeline 22, the split cover 23 and the return pipeline 24, the split cover 23 is arranged at the upper end in the formation cavity 11, the split cover 23 is positioned above the battery formation device 12, the lower surface 231 of the split cover 23 is distributed with a plurality of first air outlet holes 26, the peripheral side surface 232 of the split cover 23 is provided with a plurality of second air outlet holes 27, the split cavity 25 is communicated with the formation cavity 11 through the first air outlet holes 26 and the second air outlet holes 27, during operation, hot air output by the heater 21 reaches the split cavity 25 after passing through the output pipeline 22, the hot air of the split cavity 25 is uniformly output into the formation cavity 11 from the first air outlet holes 26, and meanwhile, the hot air in the formation cavity 11 is uniformly output into the formation cavity 11 from the second air outlet holes 27 to the periphery, so that the formation cavity 11 is in a high-temperature environment is achieved, the air in the formation cavity 11 moves downwards and returns to the heater 21 after passing through the return pipeline 24, thereby achieving the purpose of heat circulation, the hot air is uniformly input into the formation cavity 11 from a plurality of directions, the temperature difference is ensured, and the temperature difference in the formation cavity 11 is different, and the temperature difference in the formation cavity 11 is ensured.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, so any modifications, equivalents, improvements, etc. of the above embodiments according to the present utility model are still within the scope of the present utility model.
Claims (9)
1. The battery formation thermal circulation system is characterized by comprising a box body and a thermal circulation device, wherein a formation cavity is arranged in the box body, and at least one group of battery formation devices are arranged in the formation cavity;
the heat circulation device comprises a heater, an output pipeline, a split flow cover and a backflow pipeline, wherein the output end of the heater is communicated with one end of the output pipeline, the other end of the output pipeline is communicated with a split flow cavity in the split flow cover, the split flow cover is arranged at the upper end in the formation cavity, the split flow cover is arranged above the battery formation device, a plurality of first air outlet holes are distributed on the lower surface of the split flow cover, a plurality of second air outlet holes are formed in the peripheral side surface of the split flow cover, the split flow cavity is communicated with the formation cavity through the first air outlet holes and the second air outlet holes, the lower end of the formation cavity is communicated with one end of the backflow pipeline, and the other end of the backflow pipeline is communicated with the input end of the heater.
2. The battery formation thermal circulation system according to claim 1, wherein the aperture of the first air outlet holes is 4mm to 6mm, and the area of all the first air outlet holes is 20% to 40% of the area of the lower surface of the split cover.
3. The battery chemical-mechanical heat cycle system of claim 2, wherein the area of the first air outlet aperture is 30% of the area of the lower surface of the split cover.
4. The battery chemical-mechanical thermal cycling system according to claim 2, wherein the aperture of the first air outlet hole is 5mm.
5. The battery formation thermal circulation system according to claim 1, wherein an air inlet communicating with the flow dividing chamber is provided in the center of the upper surface of the flow dividing cover, and the other end of the output pipe communicates with the air inlet.
6. The battery chemical-mechanical thermal cycle system of claim 1, wherein the shunt cover is a rectangular shunt cover.
7. The battery formation thermal cycle system according to claim 1, wherein the housing is further provided with a receiving chamber, the receiving chamber is located at one side of the formation chamber, and the heater is installed in the receiving chamber.
8. The battery formation thermal circulation system according to claim 1, wherein heat insulation cotton is arranged on the inner side walls around the formation cavity.
9. The battery formation thermal circulation system according to any one of claims 1 to 8, wherein the formation chambers include an upper formation chamber and a lower formation chamber which are disposed up and down, the upper formation chamber and the lower formation chamber are communicated, the split cover is disposed in the upper formation chamber, the battery formation device is provided with two groups, the two groups of battery formation devices are disposed in the upper formation chamber and the lower formation chamber, respectively, and one end of the return pipe is communicated with the lower formation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322351145.3U CN220731614U (en) | 2023-08-30 | 2023-08-30 | Battery formation thermal circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322351145.3U CN220731614U (en) | 2023-08-30 | 2023-08-30 | Battery formation thermal circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220731614U true CN220731614U (en) | 2024-04-05 |
Family
ID=90526057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322351145.3U Active CN220731614U (en) | 2023-08-30 | 2023-08-30 | Battery formation thermal circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220731614U (en) |
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2023
- 2023-08-30 CN CN202322351145.3U patent/CN220731614U/en active Active
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