Outdoor self-adjusting energy storage device and use method

Abstract

The invention belongs to the technical field of battery modules, and particularly relates to an outdoor self-adjusting energy storage device and a use method. The multiple heat preservation plates can jointly define a circular shell; the cover plates are connected to the two ends of the circular shell respectively; the battery device comprises an annular frame and a rotating frame, the rotating frame is arranged on the inner periphery of the annular frame, a plurality of connecting bases are evenly connected to the annular frame in the circumferential direction of the annular frame, and the connecting bases are rotationally connected with rotating shafts. The rotating shaft is fixedly connected with a battery rack, battery modules are fixedly mounted on the battery rack, and the battery modules are in an arc shape and can jointly define an annular structure; a temperature sensor and a central controller are mounted in the circular shell; when the rotating frame rotates, the heat preservation plate and the cover plate can be driven to move, the battery module can be driven to move, then the temperature in the circular shell can be automatically adjusted, and the situation that the temperature of a battery is too high or too low is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of battery modules, and in particular to an outdoor self-regulating energy storage device and a use method thereof. Background Art

[0002] Energy storage devices are devices used to store and release energy. They are widely used in various fields. Batteries are a common type of energy storage device. They convert chemical energy into electrical energy and can be repeatedly charged and discharged. They are easy to use and widely used in technical fields such as automobiles, power tools, and solar energy systems. They are environmentally friendly and practical. Energy storage devices have certain requirements for ambient temperature when in use. High temperature will affect the service life of the battery and even bring safety hazards.

[0003] Existing outdoor energy storage devices generally have a protective shell installed on the outside of the battery device, which isolates the battery from the outside and prevents the battery module from being exposed to the sun. However, the function of the protective shell is relatively simple and does not have the function of regulating the internal temperature. However, when the battery module is charging and discharging, the battery generates heat, and the air flow between the inside and outside of the protective shell is not circulated. In addition, the battery modules are generally close to each other, and the heat dissipation efficiency is poor. If the temperature is too high for a long time, it will affect the battery life. Moreover, when the external environment is too low in cold seasons, the temperature of the battery module is too low when it is not working, the chemical activity inside the battery is weakened, and the capacity of the battery module is greatly reduced, which will also affect the battery life. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an outdoor self-regulating energy storage device and a method of use. By providing a ring frame and a rotating frame, the rotation of the rotating frame will drive the movement of the insulation plate and the battery module to adjust the battery temperature, aiming to solve the problems in the background technology.

[0005] In order to achieve the above technical objectives, the specific technical scheme of the present invention is as follows: an outdoor self-regulating energy storage device proposed by the present invention includes: a battery device; an insulation plate, a plurality of insulation plates are provided and can together form a circular shell, and the battery device is arranged in the circular shell; a cover plate, the cover plate is provided with a pair of covers respectively connected to the two ends of the circular shell; the battery device includes an annular frame and a rotating frame, the rotating frame is arranged on the inner periphery of the annular frame, and a plurality of connecting seats are evenly connected to the annular frame along its circumference, and the connecting seats are rotatably connected to a rotating shaft; the rotating shaft is fixedly connected to the battery frame, and a battery module is fixedly installed on the battery frame, and the battery module is arc-shaped and can together form a circular ring structure; a temperature sensor and a central controller are installed inside the circular shell.

[0006] As a preferred technical solution of the present invention, an eccentric arc-shaped sliding hole is provided on the surface of the rotating frame, and the arc-shaped sliding hole corresponds to the insulation board one by one, and a connecting rod is fixedly connected to the insulation board, and a sliding shaft slidingly connected to the arc-shaped sliding hole is fixedly connected to the connecting rod; when the rotating frame rotates, it can drive the insulation board away from or closer to the center direction of the rotating frame.

[0007] As a preferred technical solution of the present invention, the rotating shaft is fixedly connected with a gear, the rotating frame is fixedly connected with a rack capable of meshing with the gear, and the rotating frame is fixedly connected with a guide rail corresponding to the connecting seat one by one, and the guide rail is used to drive the connecting seat to move away from the center of the annular frame.

[0008] As a preferred technical solution of the present invention, the connecting seat is fixedly connected to a sliding rod slidably connected to the annular frame, the sliding rod is facing the center of the annular frame, and the lower end of the sliding rod is fixedly connected to a stop seat, a roller cooperating with the guide rail is installed on the stop seat, and a reset spring is connected to the surface of the sliding rod.

[0009] As a preferred technical solution of the present invention, an introduction part is provided at one end of the guide rail, and the distance between the introduction part and the center of the rotating frame gradually decreases in the direction away from the guide rail; a limiting groove is provided on the annular frame for sliding connection with the connecting rod, and an avoidance hole is provided on the annular frame for cooperating with the rack.

[0010] As a preferred technical solution of the present invention, a rotating seat is fixedly connected to the rotating shaft, a rod body is fixedly connected to the end face of the rotating seat, a slider is slidably connected to the rod body, a connecting rod is rotatably connected between the slider and the rotating seat, and a cylindrical spring is connected to the surface of the rod body.

[0011] As a preferred technical solution of the present invention, a pair of threaded rods are coaxially connected at both ends of the rotating frame, and a guide rod is fixedly connected to the fixed frame, a sliding frame is slidably connected to the guide rod, the sliding frame is threadedly connected to the threaded rod, and one end of the sliding frame is fixedly connected to the cover plate.

[0012] As a preferred technical solution of the present invention, the rotating frame is rotatably connected to the fixed frame, one end of the fixed frame extends to the outside of the circular shell, and a driving motor is installed on the fixed frame to drive the rotating frame to rotate.

[0013] As a preferred technical solution of the present invention, the interior of the insulation plate and the cover plate are filled with insulation cotton, and a heating module is installed inside the circular shell.

[0014] A method for using an outdoor self-regulating energy storage device comprises the following steps: Temperature setting: Set the maximum operating temperature of the battery module to T1, the minimum insulation temperature of the battery module to T2, and monitor the temperature inside the circular shell through the temperature sensor; Level I heat dissipation: When the battery module is charging and discharging, the battery module is in a heating state. When the temperature inside the circular shell is higher than T1, the driving motor drives the rotating frame to rotate. When the rotating frame rotates, the sliding shaft slides in the arc-shaped sliding hole, driving the insulation plate to move outward and the cover plate to move away from both sides, opening the circular shell, allowing the circular shell to be ventilated to the outside, thereby dissipating the heat inside the circular shell; Level II heat dissipation: On the basis of level I heat dissipation, when the temperature inside the circular shell is still higher than T1, the rotating frame continues to rotate, driving the battery module to move outward for a distance through the guide rail, so that the battery modules are separated from each other. When the rotating frame continues to rotate, the gear is driven to rotate through the rack, and then the battery module is driven to rotate, so that the distance between the battery modules is increased, and the heat dissipation efficiency is improved; Level I insulation: When the battery module is not in operation and the ambient temperature is lower than T2, the drive motor drives the rotating frame to rotate in the opposite direction, driving the battery modules to contact each other and form a circular ring structure together, while making the insulation plate and the cover plate form a sealed circular shell; Level II insulation: On the basis of level I insulation, when the temperature inside the circular shell is still lower than T2, the heating module is automatically started through the central controller to increase the temperature inside the circular shell.

[0015] The beneficial effects of the present invention are:

[0016] 1. The present invention can drive the heat preservation plate and the cover plate to move when the rotating frame rotates, open the circular shell, and make the air flow inside and outside the circular shell flow, so as to achieve the first-level heat dissipation state; and when the rotating frame continues to rotate, it can drive the battery module to rotate, thereby increasing the distance between adjacent battery modules, achieving the second-level heat dissipation state, and improving the heat dissipation efficiency of the battery module.

[0017] 2. The circular shell of the present invention is composed of a plurality of movable insulation plates and two cover plates, so that the circular shell can be opened or closed, thereby timely adjusting the internal temperature, avoiding the battery module from being too high or too low in temperature, and improving the service life of the battery module. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of an outdoor self-regulating energy storage device proposed by the present invention.

[0019] Figure 2 This is a schematic structural diagram of the battery device proposed by the present invention.

[0020] Figure 3 This is a schematic diagram of the level II heat dissipation state of the battery device proposed by the present invention.

[0021] Figure 4 Schematic diagram of the annular frame, rotating frame and battery frame proposed in the present invention.

[0022] Figure 5 for Figure 4 Schematic side view of .

[0023] Figure 6 This is a schematic structural diagram of the annular frame proposed in the present invention.

[0024] Figure 7 This is a schematic structural diagram of the connecting socket proposed by the present invention.

[0025] Figure 8 This is a schematic structural diagram of the rotating frame proposed by the present invention.

[0026] Fig. 9 This is a schematic structural diagram of the thermal insulation board proposed in the present invention.

[0027] In the figure: 1. insulation board; 101. connecting rod; 102. sliding shaft; 2. cover plate; 3. annular frame; 31. avoidance hole; 32. limit groove; 4. rotating frame; 41. arc sliding hole; 42. guide rail; 421. introduction part; 43. rack; 44. fixed frame; 45. threaded rod; 46. guide rod; 47. sliding frame; 48. driving motor; 5. connecting seat; 51. rotating shaft; 52. gear; 53. sliding rod; 54. reset spring; 55. stop seat; 56. roller; 57. rotating seat; 58. slider; 59. rod body; 510. cylindrical spring; 511. connecting rod; 6. battery rack; 7. battery module; 8. temperature sensor; 9. central controller; 10. heating module. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] Embodiment: This embodiment discloses an outdoor self-regulating energy storage device, such as Figure 1-Figure 9As shown, it includes: a battery device; a heat preservation plate 1, wherein four heat preservation plates 1 are provided and can together form a circular shell, and the battery device is arranged in the circular shell; and a connecting rod 101 is fixedly connected to the heat preservation plate 1, and a sliding shaft 102 is fixedly connected to the connecting rod 101, and the end of the sliding shaft 102 is threadedly connected to a limiting nut; a cover plate 2, wherein the cover plate 2 is provided with a pair of two ends respectively connected to the circular shell; a sealed circular shell is formed by four heat preservation plates 1 and two cover plates 2, and the circular shell can be opened by moving the heat preservation plates 1 and the cover plates 2, wherein the heat preservation plates 1 and the cover plates 2 are filled with heat preservation cotton, thereby enhancing the heat preservation performance of the battery device , to avoid the battery device from losing temperature and reducing its life in cold weather, a heating module 10, a temperature sensor 8 and a central controller 9 are installed inside the circular shell. The central controller 9 is used to control the operation of each electrical appliance of the device. The temperature sensor 8 is used to monitor the internal temperature of the circular shell and send the temperature signal to the processor. The heating module 10 adopts an electric heating block and is powered by a battery device. The central controller 9 can control the switch of the heating module 10; a plurality of heating modules 10 can be provided, and the heating module 10 is used to increase the internal temperature of the circular shell, so as to avoid the battery device capacity reduction caused by the excessively low temperature in the circular shell in cold weather.

[0030] like Figure 4-Figure 7 As shown, the battery device includes an annular frame 3 and a rotating frame 4, the rotating frame 4 is arranged on the inner periphery of the annular frame 3, and a plurality of connecting seats 5 are evenly connected to the annular frame 3 along its circumference. In this embodiment, the number of connecting seats 5 is 6, and the connecting seats 5 can approach or move away from the center direction of the annular frame 3. The connecting seats 5 are arranged on the outer surface of the annular frame 3, and a rotating shaft 51 is rotatably connected to the connecting seat 5, and the rotating shaft 51 is fixedly connected to a gear 52; a pair of battery frames 6 are symmetrically fixedly connected at both ends of the rotating shaft 51, and a battery module 7 is fixedly installed on the battery frame 6, wherein, as shown in FIG. Figure 2 As shown, the battery module 7 is arc-shaped, and the battery modules 7 on the same side of the annular frame 3 can form a circular ring structure together, so that adjacent battery modules 7 are in contact with each other, reducing the space occupied by the battery modules, and can be just accommodated in the circular shell, and when the gear 52 rotates, it can drive the battery module 7 to rotate, so that the distance between adjacent battery modules 7 is reduced, and the heat dissipation performance of the battery module 7 can be improved.

[0031] Preferably, the connecting seat 5 is fixedly connected to a sliding rod 53 which is slidably connected to the annular frame 3. The sliding rod 53 faces the center of the annular frame 3, and the lower end of the sliding rod 53 is fixedly connected to a stop seat 55. A roller 56 is installed on the stop seat 55, and a return spring 54 is connected to the surface of the sliding rod 53. The return spring 54 is arranged between the stop seat 55 and the inner surface of the annular frame 3. The return spring 54 plays a role in resetting the connecting seat 5. When the return spring 54 is in a natural state, the connecting seat 5 fits the outer surface of the annular frame 3.

[0032] Preferably, Figure 7As shown, a rotating seat 57 is fixedly connected to the rotating shaft 51, a rod body 59 is fixedly connected to the end face of the rotating seat 57, a slider 58 is slidably connected to the rod body 59, a connecting rod 511 is rotatably connected between the slider 58 and the rotating seat 57, and a cylindrical spring 510 is connected to the surface of the rod body 59, and the two ends of the cylindrical spring 510 are respectively fixedly connected to the slider 58 and the connecting seat 5, when the rotating shaft 51 rotates, the slider 58 is driven to slide on the rod body 59, and the cylindrical spring 510 is compressed. When the cylindrical spring 510 is in a natural state, the angle of the battery module 7 is stable, and they can form a circular ring structure together.

[0033] like Figure 5 and Figure 8 As shown, the rotating frame 4 is rotatably connected to the fixed frame 44, one end of the fixed frame 44 extends to the outside of the circular shell, and the bottom end of the fixed frame 44 is fixedly connected to a support for fixing the fixed frame 44 on the ground, wherein the annular frame 3 is fixedly connected to the fixed frame 44, and a driving motor 48 is installed on the fixed frame 44, and the driving motor 48 drives the rotating frame 4 to rotate through a gear assembly; an eccentric arc-shaped sliding hole 41 is provided on the surface of the rotating frame 4, and the distance between the arc-shaped sliding hole 41 and the center of the rotating frame 4 gradually increases, the arc-shaped sliding hole 41 corresponds to the insulation board 1 one by one, and the sliding shaft 102 is slidably connected to the arc-shaped sliding hole 41. When the rotating frame 4 rotates, the sliding shaft 102 slides in the arc-shaped sliding hole 41, thereby being able to drive the insulation board 1 away from or close to the center direction of the rotating frame 4, wherein the rotating frame 4 is fixedly connected with a gear 52 that can mesh with the gear 52 The rack 43 and the rotating frame 4 are fixedly connected with a guide rail 42 corresponding to the connecting seat 5 one by one. The guide rail 42 cooperates with the roller 56. The guide rail 42 is used to drive the connecting seat 5 to move away from the center of the annular frame 3; when the battery needs to dissipate heat during operation, the driving motor 48 drives the rotating frame 4 to rotate. When the rotating frame 4 rotates, the sliding shaft 102 slides in the arc-shaped sliding hole 41, driving the insulation plate 1 to move outward, and then opening the circular shell, so that the air inside and outside the circular shell can circulate, thereby improving the heat dissipation efficiency; when the rotating frame 4 continues to rotate, the guide rail 42 is limited to contact with the roller 56, and the roller 56 rolls on the guide rail 42, driving the connecting seat 5 to move away from the center of the annular frame 3, so that adjacent battery modules 7 are separated from each other, and then the rack 43 drives the gear 52 to rotate, thereby driving the battery module 7 to rotate about 90°. Figure 3 As shown, the spacing between adjacent battery modules 7 is greatly increased, further improving the heat dissipation effect of the battery module 7; when the battery is not working and needs to be kept warm, the drive motor 48 drives the rotating frame 4 to rotate in the opposite direction, driving the battery module 7 to rotate in the opposite direction, and the battery device is Figure 3 Switch to Figure 2 state, and then the insulation board 1 moves toward the center to form a sealed circular shell structure again.

[0034] Preferably, an introduction portion 421 is provided at one end of the guide rail 42, and the distance between the introduction portion 421 and the center of the rotating frame 4 gradually decreases in the direction away from the guide rail 42, so that the roller 56 can roll onto the guide rail 42, thereby driving the connecting seat 5 away from the center of the annular frame 3; wherein, the annular frame 3 is provided with a limiting groove 32 that is slidably connected to the connecting rod 101, and the connecting rod 101 will not be separated from the limiting groove 32, so that when the rotating frame 4 rotates, it can stably drive the insulation board 1 to approach or move away from the center direction, and the annular frame 3 is provided with an avoidance hole 31 that cooperates with the rack 43, and the gear 52 is arranged in the avoidance hole 31, and the avoidance hole 31 is arc-shaped.

[0035] Preferably, a pair of threaded rods 45 are coaxially connected at both ends of the rotating frame 4, and a guide rod 46 is fixedly connected to the fixed frame 44, and a sliding frame 47 is slidably connected to the guide rod 46, the sliding frame 47 is threadedly connected to the threaded rod 45, and one end of the sliding frame 47 is fixedly connected to the cover plate 2, and when the threaded rod 45 rotates, it can drive the sliding frame 47 to slide, and then drive the cover plate 2 to move; when the rotating frame 4 rotates, while driving the insulation plate 1 to move outward, it also drives the two cover plates 2 to move outward, thereby increasing the opening degree of the circular shell; similarly, when the insulation plate 1 moves inward, it also drives the two cover plates 2 to move inward at the same time, and the insulation plate 1 and the cover plate 2 together form a sealed circular shell.

[0036] This embodiment also discloses a method for using an outdoor self-regulating energy storage device, based on the above energy storage device, including: Temperature setting: Set the maximum operating temperature of the battery module 7 to T1, the minimum insulation temperature of the battery module 7 to T2, and monitor the temperature inside the circular shell through the temperature sensor 8; Level I heat dissipation: When the battery module 7 is charging and discharging, the battery module 7 is in a heating state. When the temperature inside the circular shell is higher than T1, the driving motor 48 drives the rotating frame 4 to rotate. When the rotating frame 4 rotates, the sliding shaft 102 slides in the arc-shaped sliding hole 41, driving the insulation plate 1 to move outward and the cover plate 2 to move away from both sides, opening the circular shell, allowing the circular shell to be ventilated with the outside, thereby dissipating the heat inside the circular shell; Level II heat dissipation: On the basis of level I heat dissipation, when the temperature inside the circular shell is still higher than T1, the rotating frame 4 continues to rotate, and drives the battery module 7 to move outward for a distance through the guide rail 42, so that the battery modules 7 are separated from each other. When the rotating frame 4 continues to rotate, the gear 52 is driven to rotate through the rack 43, and then the battery module 7 is driven to rotate, so that the distance between the battery modules 7 is increased, thereby improving the heat dissipation efficiency; Level I insulation: When the battery module 7 is not in operation and the ambient temperature is lower than T2, the drive motor 48 drives the rotating frame 4 to rotate in the opposite direction, driving the battery modules 7 to contact each other and form a circular ring structure. Figure 2As shown, the heat preservation plate 1 and the cover plate 2 are driven to move at the same time to form a sealed circular shell, so that the battery device is isolated from the external environment and has a good heat preservation effect; Level II insulation: On the basis of level I insulation, when the internal temperature of the circular shell is still lower than T2, the heating module 10 is automatically started by the central controller 9. The heating time of the heating module 10 can be set to 5 minutes each time, which can save electricity and effectively increase the temperature inside the circular shell.

[0037] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An outdoor self-regulating energy storage device, characterized in that: include: Battery device; A heat preservation plate (1), wherein a plurality of heat preservation plates (1) are provided and can together form a circular shell, and the battery device is arranged in the circular shell; A cover plate (2), the cover plate (2) being provided with a pair of ends respectively connected to the two ends of the circular shell; The battery device comprises an annular frame (3) and a rotating frame (4), wherein the rotating frame (4) is arranged inside the annular frame (3), a plurality of connecting seats (5) are evenly connected to the annular frame (3) along its circumference, and the connecting seats (5) are rotatably connected to a rotating shaft (51); The rotating shaft (51) is fixedly connected to a battery rack (6), and a battery module (7) is fixedly mounted on the battery rack (6); the battery modules (7) are arc-shaped and can together form a circular ring structure; The temperature sensor (8) and the central controller (9) are installed inside the circular housing.

2. An outdoor self-regulating energy storage device according to claim 1, characterized in that: The surface of the rotating frame (4) is provided with an eccentric arc-shaped sliding hole (41), the arc-shaped sliding hole (41) corresponds to the insulation board (1) one by one, and the insulation board (1) is fixedly connected with a connecting rod (101), and the connecting rod (101) is fixedly connected with a sliding shaft (102) slidably connected to the arc-shaped sliding hole (41); when the rotating frame (4) rotates, it can drive the insulation board (1) to move away from or towards the center of the rotating frame (4).

3. An outdoor self-regulating energy storage device according to claim 2, characterized in that: The rotating shaft (51) is fixedly connected to a gear (52), the rotating frame (4) is fixedly connected to a rack (43) capable of meshing with the gear (52), and the rotating frame (4) is fixedly connected to a guide rail (42) corresponding one to one with the connecting seat (5), and the guide rail (42) is used to drive the connecting seat (5) to move in a direction away from the center of the annular frame (3).

4. An outdoor self-regulating energy storage device according to claim 3, characterized in that: The connecting seat (5) is fixedly connected to a slide bar (53) which is slidably connected to the annular frame (3). The slide bar (53) faces the center of the annular frame (3). The lower end of the slide bar (53) is fixedly connected to a stop seat (55). A roller (56) which cooperates with the guide rail (42) is installed on the stop seat (55). A return spring (54) is connected to the surface of the slide bar (53).

5. An outdoor self-regulating energy storage device according to claim 4, characterized in that: An introduction portion (421) is provided at one end of the guide rail (42), and the distance between the introduction portion (421) and the center of the rotating frame (4) gradually decreases in a direction away from the guide rail (42); a limiting groove (32) slidably connected to the connecting rod (101) is provided on the annular frame (3), and an avoidance hole (31) cooperating with the rack (43) is provided on the annular frame (3).

6. An outdoor self-regulating energy storage device according to claim 5, characterized in that: The rotating shaft (51) is fixedly connected to a rotating seat (57), the end surface of the rotating seat (57) is fixedly connected to a rod body (59), a slider (58) is slidably connected to the rod body (59), a connecting rod (511) is rotatably connected between the slider (58) and the rotating seat (57), and a cylindrical spring (510) is connected to the surface of the rod body (59).

7. An outdoor self-regulating energy storage device according to claim 6, characterized in that: A pair of threaded rods (45) are coaxially connected at both ends of the rotating frame (4), a guide rod (46) is fixedly connected to the fixed frame (44), a sliding frame (47) is slidably connected to the guide rod (46), the sliding frame (47) is threadedly connected to the threaded rod (45), and one end of the sliding frame (47) is fixedly connected to the cover plate (2).

8. An outdoor self-regulating energy storage device according to claim 7, characterized in that: The rotating frame (4) is rotatably connected to the fixed frame (44), one end of the fixed frame (44) extends to the outside of the circular shell, and a driving motor (48) is installed on the fixed frame (44) for driving the rotating frame (4) to rotate.

9. An outdoor self-regulating energy storage device according to claim 8, characterized in that: The interior of the thermal insulation plate (1) and the cover plate (2) are both filled with thermal insulation cotton, and a heating module (10) is installed inside the circular shell.

10. A method for using an outdoor self-regulating energy storage device, using the outdoor self-regulating energy storage device as claimed in claim 9, characterized in that: The following steps are involved: Temperature setting: setting the maximum operating temperature of the battery module (7) to T1, the minimum insulation temperature of the battery module (7) to T2, and monitoring the temperature inside the circular shell by means of a temperature sensor (8); Level I heat dissipation: When the battery module (7) is charging or discharging, the battery module (7) is in a heating state. When the temperature inside the circular shell is higher than T1, the driving motor (48) drives the rotating frame (4) to rotate. When the rotating frame (4) rotates, the sliding shaft (102) slides in the arc-shaped sliding hole (41), driving the insulation plate (1) to move outward and the cover plate (2) to move away from both sides, thereby opening the circular shell and allowing ventilation between the circular shell and the outside, thereby dissipating heat inside the circular shell. Level II heat dissipation: On the basis of level I heat dissipation, when the temperature inside the circular shell is still higher than T1, the rotating frame (4) continues to rotate, and drives the battery module (7) to move outward a certain distance through the guide rail (42), so that the battery modules (7) are separated from each other. When the rotating frame (4) continues to rotate, the gear (52) is driven to rotate through the rack (43), thereby driving the battery module (7) to rotate, so that the distance between the battery modules (7) is increased, thereby improving the heat dissipation efficiency; Level I thermal insulation: when the battery module (7) is not in operation and the ambient temperature is lower than T2, the drive motor (48) drives the rotating frame (4) to rotate in the opposite direction, driving the battery modules (7) to contact each other and form a circular ring structure, while the thermal insulation plate (1) and the cover plate (2) form a sealed circular shell; Level II thermal insulation: On the basis of level I thermal insulation, when the temperature inside the circular shell is still lower than T2, the heating module (10) is automatically started by the central controller (9) to increase the temperature inside the circular shell.

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