Lithium battery pack cooling device

Abstract

The utility model relates to the technical field of cooling equipment, and discloses a lithium battery pack cooling device which comprises a protective box body and a protective cover rotationally connected with the upper end of the protective box body, a base is arranged on the lower side of the protective box body, a fan is installed on one side of the protective cover, and the output end of the fan penetrates through the protective cover; the inner wall of the protective box body is provided with fixedly connected placing racks, and the placing racks comprise a first placing rack and a second placing rack; a cooler is arranged on the lower side of the protection box, and the output end of the cooler makes contact with the first containing frame and the second containing frame. A square lithium battery is arranged on the upper side of the first placing frame, and a cylindrical lithium battery is arranged on the upper side of the second placing frame. And the cooler penetrates through the first placement frame and the second placement frame to cool the square lithium battery and the cylindrical lithium battery, cooling treatment can be rapidly carried out, the fan can increase the internal air speed when the protective cover is closed, and the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling equipment, in particular to a lithium battery pack cooling device. Background Art

[0002] Lithium batteries are rechargeable batteries in which electrical charge is stored in lithium compounds. This type of battery typically has a high energy density and a long cycle life, making it widely used in many electronic devices such as smartphones, laptops and electric vehicles. Cooling is an important step in the production process of lithium batteries to ensure the performance and safety of the batteries.

[0003] After lithium batteries are assembled during the production process, they usually need to be cooled. This is mainly because a certain amount of heat may be generated during the assembly and activation of the battery. If proper cooling is not performed, the temperature inside the battery may rise, which will not only affect the performance of the battery, but may also cause safety problems such as battery overheating or even fire or explosion. Therefore, a lithium battery cooling device that can cool two lithium batteries of different shapes at the same time is designed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a lithium battery pack cooling device, which has the advantage of cooling two lithium batteries of different shapes at the same time, and solves the problem that a certain amount of heat may be generated during the assembly and activation of the lithium battery. If proper cooling is not performed, the temperature inside the battery may increase.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of cooling two lithium batteries of different shapes at the same time, the utility model provides the following technical solutions: a lithium battery pack cooling device, including a protective box body, and a protective cover rotatably connected to the upper end of the protective box body, and a base is provided on the lower side of the protective box body, a fan is installed on one side of the protective cover, and the output end of the fan passes through the protective cover; the inner wall of the protective box body is provided with a fixedly connected placement rack, and the placement rack includes a first placement rack and a second placement rack; a cooler is provided on the lower side of the protective box, and the output end of the cooler contacts the first placement rack and the second placement rack respectively; a square lithium battery is provided on the upper side of the first placement rack, and a cylindrical lithium battery is provided on the upper side of the second placement rack. The first placement rack and the second placement rack are used to place square lithium batteries and cylindrical lithium batteries respectively, and the size of the placement rack can be adjusted according to the actual size of the lithium battery, and the cooler passes through the first placement rack and the second placement rack to cool the square lithium battery and the cylindrical lithium battery respectively, and the temperature can be quickly reduced. The fan can increase the internal wind speed when the protective cover is closed to increase the efficiency of cooling.

[0008] Preferably, the output end of the cooler passes through the first placement rack and the second placement rack, and contacts the square lithium battery and the cylindrical lithium battery respectively; an iron sheet is provided between the first placement rack and the cooler, and the iron sheet contacts the cooler and the square lithium battery respectively. The cooling effect of the iron sheet is good, and the iron sheet can quickly cool down when encountering the cooler, and heat transfer occurs with the square lithium battery, thereby protecting the square lithium battery.

[0009] Preferably, the first placement rack is provided with a plurality of placement slots inside, and the iron sheet is installed in the placement slots; the inner wall of the placement slot is provided with a groove, and the outer side of the iron sheet is provided with a protrusion used in conjunction with the groove. The iron sheet is inserted into the groove on the inner wall of the placement slot through the protrusion on the outer side, and the protrusion and the groove can fix the iron sheet, and it is also convenient to take out the iron sheet. The iron sheet can also be used to support the square lithium battery, and the placement slot and the square lithium battery can be fully in contact, and the square lithium battery can be stably clamped in the placement slot.

[0010] Preferably, a fixing clip used in conjunction with the second placement rack is provided on the lower side of the protective cover, and the fixing clips are respectively arranged on both sides of the fan. The fixing clips on the lower side of the protective cover are used to fix and clamp the cylindrical lithium battery so that it can fully contact the cooler.

[0011] Preferably, the lower side of the cooler is provided with an electrically connected wire, and the wire passes through the base; the lower side of the base is provided with supporting feet, the wire passes through between the supporting feet, and one end of the wire is located outside the base; one end of the wire is provided with an electrically connected plug. The coolers located on the lower side of the first placement rack and the second placement rack are connected by wires, the wires are located on the upper side of the base, and one end of the wire passes through the base and is connected to an external power source through a plug.

[0012] Preferably, a switch is provided between the protective cover and the protective box, and the switch is located on one side of the protective cover and the protective box. The protective cover and the protective box are tightly connected through the switch, and the protective cover can be opened or closed by the switch, and at the same time, the fixing clip on the lower side of the protective cover can be fully in contact with the cylindrical lithium battery to maintain the stability of the cylindrical lithium battery.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a lithium battery pack cooling device, which has the following beneficial effects: the lithium battery pack cooling device uses a first placement rack and a second placement rack to place square lithium batteries and cylindrical lithium batteries respectively, and the size of the placement rack can be adjusted according to the actual size of the lithium battery, and then the square lithium batteries and the cylindrical lithium batteries are cooled by a cooler passing through the first placement rack and the second placement rack respectively, and the temperature can be quickly reduced. The fan can increase the internal wind speed when the protective cover is closed, thereby achieving the effect of cooling two lithium batteries of different shapes at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the overall structure diagram of the utility model;

[0016] Figure 2 This is the internal structure diagram of the protective box of the utility model;

[0017] Figure 3 This is a bottom view of the structure of the utility model;

[0018] Figure 4 This is a connection diagram of the first placement rack of the utility model.

[0019] In the figure: 1. protective box; 2. protective cover; 3. supporting feet; 4. base; 5. plug; 6. fan; 7. switch; 8. fixing clip; 9. cylindrical lithium battery; 10. square lithium battery; 11. first placement rack; 12. second placement rack; 13. iron sheet; 14. cooler; 15. wire; 16. bump; 17. groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example: See Figure 1-4A lithium battery pack cooling device comprises a protective box body 1, and a protective cover 2 rotatably connected to the upper end of the protective box body 1, and a base 4 is provided on the lower side of the protective box body 1, a fan 6 is installed on one side of the protective cover 2, and the output end of the fan 6 passes through the protective cover 2; a fixedly connected placement rack is provided on the inner wall of the protective box body 1, and the placement rack comprises a first placement rack 11 and a second placement rack 12; a cooler 14 is provided on the lower side of the protective box body 1, and the output ends of the cooler 14 are in contact with the first placement rack 11 and the second placement rack 12 respectively; a square lithium battery 10 is provided on the upper side of the first placement rack 11, and a cylindrical lithium battery 9 is provided on the upper side of the second placement rack 12.

[0022] Among them, the first placement rack 11 and the second placement rack 12 are used to place square lithium batteries 10 and cylindrical lithium batteries 9 respectively, and the size of the placement rack can be adjusted according to the actual size of the lithium battery. The cooler 14 passes through the first placement rack 11 and the second placement rack 12 to cool the square lithium batteries 10 and the cylindrical lithium batteries 9 respectively, and can quickly perform cooling treatment. The fan 6 can increase the internal wind speed when the protective cover 2 is closed to increase the cooling efficiency.

[0023] The output end of the cooler 14 passes through the first placement rack 11 and the second placement rack 12, and contacts the square lithium battery 10 and the cylindrical lithium battery 9 respectively; an iron sheet 13 is provided between the first placement rack 11 and the cooler 14, and the iron sheet 13 contacts the cooler 14 and the square lithium battery 10 respectively.

[0024] Among them, the cooling effect of the iron sheet 13 is better. When the iron sheet 13 encounters the cooler 14, the temperature can be quickly reduced, and heat transfer occurs with the square lithium battery 10, which plays an effect of protecting the square lithium battery 10.

[0025] The first placement rack 11 has a plurality of placement slots disposed inside, and the iron sheet 13 is installed in the placement slots; the inner wall of the placement slot is provided with a groove 17 , and the outer side of the iron sheet 13 is provided with a protrusion 16 used in conjunction with the groove 17 .

[0026] Among them, the iron sheet 13 is inserted into the groove 17 on the inner wall of the placement groove through the outer protrusion 16. The iron sheet 13 can be fixed between the protrusion 16 and the groove 17, and it is also convenient to take out the iron sheet 13. The iron sheet 13 can also be used to support the square lithium battery 10. The placement groove and the square lithium battery 10 can be fully in contact, and the square lithium battery 10 can be stably clamped in the placement groove.

[0027] A fixing clip 8 for use with the second placement rack 12 is provided on the lower side of the protective cover 2 , and the fixing clip 8 is respectively arranged on both sides of the fan 6 .

[0028] The fixing clip 8 on the lower side of the protective cover 2 is used to fix and clamp the cylindrical lithium battery 9 so that it can fully contact the cooler 14.

[0029] An electrically connected wire 15 is provided on the lower side of the cooler 14, and the wire 15 passes through the base 4; a supporting foot 3 is provided on the lower side of the base 4, the wire 15 passes between the supporting feet 3, and one end of the wire 15 is located on the outside of the base 4; an electrically connected plug 5 is provided at one end of the wire 15.

[0030] Among them, the coolers 14 located at the lower sides of the first placement rack 11 and the second placement rack 12 are connected through an electric wire 15. The electric wire 15 is located on the upper side of the base 4, and one end of the electric wire 15 passes through the base 4 and is connected to an external power supply through a plug 5.

[0031] A switch 7 is provided between the protection cover 2 and the protection box body 1 , and the switch 7 is located on one side of the protection cover 2 and the protection box body 1 .

[0032] Among them, the protective cover 2 and the protective box body 1 are tightly connected through the switch 7. The protective cover 2 can be opened or closed by the switch 7. At the same time, the fixing clip 8 on the lower side of the protective cover 2 can also be fully contacted with the cylindrical lithium battery 9 to maintain the stability of the cylindrical lithium battery 9.

[0033] Working principle: the first placement rack 11 and the second placement rack 12 are used to place square lithium batteries 10 and cylindrical lithium batteries 9 respectively, and the size of the placement rack can be adjusted according to the actual size of the lithium battery. The cooler 14 passes through the first placement rack 11 and the second placement rack 12 to cool the square lithium batteries 10 and the cylindrical lithium batteries 9 respectively, and the temperature can be quickly reduced. The iron sheet 13 is inserted into the groove 17 on the inner wall of the placement groove through the outer protrusion 16. The iron sheet 13 can be fixed between the protrusion 16 and the groove 17, and it is also convenient to take out the iron sheet 13. The iron sheet 13 can also be used to support the square lithium battery 10. The placement groove and the square lithium battery 10 can be fully in contact. The square lithium battery 10 can be stably connected in the placement groove. The fan 6 can increase the internal wind speed when the protective cover 2 is closed, thereby increasing the cooling efficiency; the coolers 14 located at the lower sides of the first placement rack 11 and the second placement rack 12 are connected by a wire 15. The wire 15 is located on the upper side of the base 4, and one end of the wire 15 passes through the base 4 and is connected to an external power supply through a plug 5.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium battery pack cooling device, comprising a protective box (1), and a protective cover (2) rotatably connected to the upper end of the protective box (1), and a base (4) is provided on the lower side of the protective box (1), characterized in that: A fan (6) is installed on one side of the protective cover (2), and the output end of the fan (6) passes through the protective cover (2); The inner wall of the protective box (1) is provided with a fixedly connected placement rack, and the placement rack comprises a first placement rack (11) and a second placement rack (12); A cooler (14) is provided on the lower side of the protective box (1), and the output end of the cooler (14) is in contact with the first placement rack (11) and the second placement rack (12) respectively; A square lithium battery (10) is provided on the upper side of the first placement rack (11), and a cylindrical lithium battery (9) is provided on the upper side of the second placement rack (12).

2. A lithium battery pack cooling device according to claim 1, characterized in that: The output end of the cooler (14) passes through the first placement rack (11) and the second placement rack (12), and is in contact with the square lithium battery (10) and the cylindrical lithium battery (9), respectively; An iron sheet (13) is provided between the first placement rack (11) and the cooler (14), and the iron sheet (13) is in contact with the cooler and the square lithium battery (10) respectively.

3. A lithium battery pack cooling device according to claim 2, characterized in that: The first placement rack (11) is provided with a plurality of placement slots inside, and the iron sheets (13) are installed in the placement slots; The inner wall of the placement groove is provided with a groove (17), and the outer side of the iron sheet (13) is provided with a protrusion (16) used in conjunction with the groove (17).

4. A lithium battery pack cooling device according to claim 1, characterized in that: A fixing clip (8) for use with the second placement rack (12) is provided on the lower side of the protective cover (2), and the fixing clip (8) is respectively arranged on both sides of the fan (6).

5. A lithium battery pack cooling device according to claim 1, characterized in that: An electrically connected wire (15) is provided on the lower side of the cooler (14), and the wire (15) passes through the base (4); The base (4) is provided with supporting feet (3) on the lower side, the electric wire (15) passes through between the supporting feet (3), and one end of the electric wire (15) is located outside the base (4); One end of the electric wire (15) is provided with an electrically connected plug (5).

6. A lithium battery pack cooling device according to claim 1, characterized in that: A switch (7) is provided between the protective cover (2) and the protective box body (1), and the switch (7) is located on one side of the protective cover (2) and the protective box body (1).

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