Temperature control device for lithium battery energy storage cabinet

Abstract

The utility model relates to the technical field of temperature control devices, in particular to a temperature control device for a lithium battery energy storage cabinet, which comprises a cabinet body, the inner wall of the cabinet body is fixedly connected with a containing frame, the inner wall of the containing frame is provided with a lithium battery pack, and the outer wall of the cabinet body is provided with a cabinet door. Through mutual cooperation of the motor, the threaded rod, the threaded sleeve and the circulating cooling mechanism, when the temperature of the cabinet body is too high, the motor is started to drive the threaded rod to rotate and drive the threaded sleeve on the outer wall to move up and down, so that an electric fan on the outer wall is driven to move up and down to cool a lithium battery pack, and meanwhile, a first water pump is started; the first water pump pumps cooling water into the cooling water pipe through the water pumping pipe, the cooling water pipe cools the containing frame where the lithium battery pack is placed, the second water pump is started to pump water back into the cooling water tank through the water return pipe to be cooled again, and the effect of controlling and reducing the temperature of the energy storage cabinet can be achieved through cooperation of air cooling and water cooling.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature control devices, and in particular to a temperature control device for a lithium battery energy storage cabinet. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and a non-aqueous electrolyte solution. Since the chemical properties of lithium metal are very active, the batteries commonly used in energy storage systems are mainly ternary lithium batteries and lithium iron phosphate batteries. Ternary lithium batteries have high power density and long cycle life, but their safety is relatively low, and in practical applications, they require complex battery protection equipment.

[0003] Lithium battery energy storage cabinets need to be equipped with batteries. Because multiple units are connected in series when the batteries are working, if the local battery temperature is too high, it will affect the battery's charging and discharging, capacity, life and other performance. In severe cases, it may even cause thermal runaway and cause accidents.

[0004] For this reason, we urgently need to provide a temperature control device for a lithium battery energy storage cabinet. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a temperature control device for a lithium battery energy storage cabinet, which solves the problem of excessive temperature of the energy storage cabinet.

[0006] To achieve the above object, the utility model provides the following technical solution, a temperature control device for a lithium battery energy storage cabinet, the technical solution adopted is: comprising a cabinet, the inner wall of the cabinet is fixedly connected to a receiving frame, the inner wall of the receiving frame is provided with a lithium battery pack, and the outer wall of the cabinet is installed with a cabinet door;

[0007] The inner wall of the cabinet door is installed with a heat dissipation net, the inner wall of the cabinet body is fixedly installed with a circulating cooling mechanism, and the inner wall of the cabinet body is provided with a cooling component.

[0008] As a preferred solution, the cooling component includes a motor fixedly connected to the inner wall of the cabinet, the output shaft of the motor is fixedly connected to a threaded rod through a coupling, the outer wall of the threaded rod is threadedly connected to a threaded sleeve, and the outer wall of the threaded sleeve is fixedly connected to an electric fan.

[0009] As a preferred solution, a sliding sleeve is fixedly connected to the outer wall of the threaded sleeve, a sliding rod is fixedly connected to the inner wall of the sliding sleeve, and one end of the sliding rod is fixedly connected to the inner wall of the cabinet.

[0010] As a preferred embodiment, the circulating cooling mechanism includes a cooling water tank fixedly connected to the inner wall of the cabinet, the inner wall of the cooling water tank is fixedly connected to a water pump, one end of the water pump is fixedly connected to a first water pump, one side of the first water pump is fixedly connected to a cooling water pipe, and the outer wall of the cooling water pipe is fixedly connected to the inner wall of the cabinet.

[0011] As a preferred solution, one end of the cooling water pipe is fixedly connected to a second water pump, one side of the second water pump is fixedly connected to a return water pipe, and one end of the return water pipe is fixedly connected to the inner wall of the cooling water tank.

[0012] As a preferred solution, a temperature sensor is installed on the inner wall of the cabinet, a display screen is installed on the outer wall of the cabinet, and the temperature sensor is electrically connected to the display screen.

[0013] Compared with the prior art, the utility model provides a temperature control device for a lithium battery energy storage cabinet, which has the following beneficial effects:

[0014] 1. The utility model cooperates with the motor, threaded rod, threaded sleeve and circulating cooling mechanism. When the temperature of the cabinet is too high, the starting motor can drive the threaded rod to rotate and drive the threaded sleeve of the outer wall to move up and down, thereby driving the electric fan of the outer wall to move up and down to cool the lithium battery pack. At the same time, the first water pump is started, and the first water pump pumps cooling water into the cooling water pipe through the pumping pipe. The cooling water pipe cools the storage rack for placing the lithium battery pack, and the second water pump is started to pump water back to the cooling water tank through the return pipe for re-cooling. Through the cooperation of air cooling and water cooling, the temperature of the energy storage cabinet can be controlled and reduced.

[0015] 2. The utility model provides a cabinet door, a temperature sensor and a heat dissipation net that cooperate with each other. The heat dissipation net on the inner wall of the cabinet door can help dissipate heat and prevent foreign matter and dust from entering, while the temperature sensor on the inner wall of the cabinet can detect the temperature inside the energy storage cabinet and display it on the display screen. This allows people to have a certain understanding of the temperature inside the cabinet and meet people's usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the side section structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 It is a schematic diagram of the connection structure between the cabinet and the circulating cooling mechanism of the utility model.

[0020] In the figure: 1. cabinet; 2. storage rack; 3. temperature sensor; 4. lithium battery pack; 5. cabinet door; 6. heat dissipation net; 7. circulating cooling mechanism; 701. water pump; 702. first water pump; 703. cooling water pipe; 704. second water pump; 705. return pipe; 706. cooling water tank; 8. motor; 9. threaded rod; 10. sliding rod; 11. sliding sleeve; 12. threaded sleeve; 13. electric fan; 14. display screen. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] Example 1

[0024] See also Figure 1-4 This embodiment proposes a temperature control device for a lithium battery energy storage cabinet, comprising a cabinet 1, a receiving frame 2 is fixedly connected to the inner wall of the cabinet 1, a lithium battery pack 4 is arranged on the inner wall of the receiving frame 2, and a cabinet door 5 is installed on the outer wall of the cabinet 1;

[0025] A heat dissipation net 6 is installed on the inner wall of the cabinet door 5 , a circulating cooling mechanism 7 is fixedly installed on the inner wall of the cabinet body 1 , and a cooling component is provided on the inner wall of the cabinet body 1 .

[0026] The cooling component includes a motor 8 fixedly connected to the inner wall of the cabinet 1, the output shaft of the motor 8 is fixedly connected to a threaded rod 9 through a coupling, the outer wall of the threaded rod 9 is threadedly connected to a threaded sleeve 12, and the outer wall of the threaded sleeve 12 is fixedly connected to an electric fan 13. Through the cooperation between the motor 8, the threaded rod 9, the threaded sleeve 12 and the circulating cooling mechanism 7, when the temperature of the cabinet 1 is too high, the motor 8 can be started to rotate with the threaded rod 9, and drive the threaded sleeve 12 on the outer wall to move up and down, thereby driving the electric fan 13 on the outer wall to move up and down to cool the lithium battery pack 4. At the same time, the first water pump 702 is started, and the first water pump 702 pumps cooling water into the cooling water pipe 703 through the pumping pipe 701. The cooling water pipe 703 cools the accommodating rack 2 where the lithium battery pack 4 is placed, and the water is pumped back to the cooling water tank 706 through the return pipe 705 by starting the second water pump 704 for re-cooling. Through the cooperation of air cooling and water cooling, the temperature of the energy storage cabinet can be controlled and reduced.

[0027] The outer wall of the threaded sleeve 12 is fixedly connected with the sliding sleeve 11, the inner wall of the sliding sleeve 11 is fixedly connected with the sliding rod 10, and one end of the sliding rod 10 is fixedly connected to the inner wall of the cabinet 1. The threaded sleeve 12 can be limited by setting the sliding rod 10 and the sliding sleeve 11.

[0028] Example 2

[0029] See also Figure 1-4 Based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes: the circulating cooling mechanism 7 includes a cooling water tank 706 fixedly connected to the inner wall of the cabinet 1, the inner wall of the cooling water tank 706 is fixedly connected with a pumping pipe 701, one end of the pumping pipe 701 is fixedly connected with a first water pump 702, one side of the first water pump 702 is fixedly connected with a cooling water pipe 703, and the outer wall of the cooling water pipe 703 is fixedly connected to the inner wall of the cabinet 1.

[0030] One end of the cooling water pipe 703 is fixedly connected to the second water pump 704, one side of the second water pump 704 is fixedly connected to the return pipe 705, and one end of the return pipe 705 is fixedly connected to the inner wall of the cooling water tank 706. The water can be reintroduced into the cooling water tank 706 through the set return pipe 705.

[0031] A temperature sensor 3 is installed on the inner wall of the cabinet 1, and a display screen 14 is installed on the outer wall of the cabinet 1, and the temperature sensor 3 is electrically connected to the display screen 14. Through the cooperation of the cabinet door 5, the temperature sensor 3 and the heat dissipation net 6, the heat dissipation net 6 on the inner wall of the cabinet door 5 can help dissipate heat and prevent foreign matter and dust from entering, and the temperature sensor 3 on the inner wall of the cabinet 1 can detect the temperature inside the energy storage cabinet and display it through the display screen 14, which can allow people to have a certain understanding of the temperature inside the cabinet 1 and meet people's usage needs.

[0032] The working principle of the utility model is: when the temperature of the cabinet 1 is too high, an external power supply is connected to start the motor 8, the motor 8 can rotate with the threaded rod 9, and drive the threaded sleeve 12 of the outer wall to move up and down, thereby driving the electric fan 13 of the outer wall to move up and down to cool the lithium battery pack 4, and at the same time start the first water pump 702, the first water pump 702 pumps cooling water into the cooling water pipe 703 through the pumping pipe 701, the cooling water pipe 703 cools the storage rack 2 where the lithium battery pack 4 is placed, and starts the second water pump 704 to pump water back to the cooling water tank 706 through the return pipe 705 for re-cooling.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A temperature control device for a lithium battery energy storage cabinet, comprising a cabinet body (1), characterized in that: The inner wall of the cabinet (1) is fixedly connected to a receiving frame (2), the inner wall of the receiving frame (2) is provided with a lithium battery pack (4), and the outer wall of the cabinet (1) is provided with a cabinet door (5); The inner wall of the cabinet door (5) is installed with a heat dissipation net (6), the inner wall of the cabinet body (1) is fixedly installed with a circulating cooling mechanism (7), and the inner wall of the cabinet body (1) is provided with a cooling component.

2. A temperature control device for a lithium battery energy storage cabinet according to claim 1, characterized in that: The cooling component comprises a motor (8) fixedly connected to the inner wall of the cabinet (1); the output shaft of the motor (8) is fixedly connected to a threaded rod (9) via a coupling; the outer wall of the threaded rod (9) is threadedly connected to a threaded sleeve (12); and the outer wall of the threaded sleeve (12) is fixedly connected to an electric fan (13).

3. A temperature control device for a lithium battery energy storage cabinet according to claim 2, characterized in that: The outer wall of the threaded sleeve (12) is fixedly connected to a sliding sleeve (11), the inner wall of the sliding sleeve (11) is fixedly connected to a sliding rod (10), and one end of the sliding rod (10) is fixedly connected to the inner wall of the cabinet (1).

4. A temperature control device for a lithium battery energy storage cabinet according to claim 1, characterized in that: The circulating cooling mechanism (7) comprises a cooling water tank (706) fixedly connected to the inner wall of the cabinet (1); a water pumping pipe (701) is fixedly connected to the inner wall of the cooling water tank (706); one end of the water pumping pipe (701) is fixedly connected to a first water pump (702); one side of the first water pump (702) is fixedly connected to a cooling water pipe (703); and the outer wall of the cooling water pipe (703) is fixedly connected to the inner wall of the cabinet (1).

5. A temperature control device for a lithium battery energy storage cabinet according to claim 4, characterized in that: One end of the cooling water pipe (703) is fixedly connected to a second water pump (704), one side of the second water pump (704) is fixedly connected to a return water pipe (705), and one end of the return water pipe (705) is fixedly connected to the inner wall of the cooling water tank (706).

6. A temperature control device for a lithium battery energy storage cabinet according to claim 1, characterized in that: A temperature sensor (3) is installed on the inner wall of the cabinet (1), a display screen (14) is installed on the outer wall of the cabinet (1), and the temperature sensor (3) is electrically connected to the display screen (14).

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