A heat dissipation shell applied to a large cylindrical battery

Abstract

The application discloses a heat dissipation shell applied to a large cylindrical battery, which comprises a shell, a support for supporting the shell is fixedly connected to the bottom of the shell, a fixing seat is fixedly connected to the bottom of the support, a heat dissipation mechanism for assisting the shell in heat absorption and heat dissipation is fixedly installed at the middle of the outer side of the shell, an inner groove is formed in the middle of the inner wall of the shell, a liquid cooling hose is embedded in the inner groove, a cold liquid tank is installed at the top of the fixing seat, a water pump is installed on one side of the bottom of the inner wall of the cold liquid tank, a sleeve is fixedly connected to the top of the shell, a sleeve rod is clamped to the sleeve, a top plate is connected to the top of the sleeve rod, an air cooling mechanism for heat dissipation in the shell is installed at the bottom of the top plate, the heat dissipation shell applied to the large cylindrical battery can realize multiple heat dissipation and cooling, accelerate heat dissipation of the battery, has a better heat dissipation effect, avoids the phenomenon of high-temperature bulging of the battery during long-term work, and effectively prolongs the service life of the battery.

Description

[Technical Field]

[0001] This invention relates to the field of cylindrical battery technology, and more particularly to a heat dissipation casing for large cylindrical batteries. [Background Technology]

[0002] Cylindrical batteries are characterized by high capacity, long cycle life, and a wide operating temperature range. They are used in solar lighting, lawn lighting, backup power, power tools, toy models, and photovoltaic energy applications. They are available in different systems, including lithium iron phosphate, lithium cobalt oxide, lithium manganese oxide, cobalt-manganese hybrid, and ternary materials. The casings are available in steel and polymer types. Different material systems offer different advantages, with steel-cased cylindrical lithium iron phosphate batteries being the most common. Lithium iron phosphate batteries are characterized by high capacity, high output voltage, good charge / discharge cycle performance, stable output voltage, high-current discharge capability, electrochemical stability, safety during use (they will not burn or explode due to overcharging, over-discharging, or short circuits), a wide operating temperature range, and environmental friendliness.

[0003] Existing large cylindrical batteries generate a lot of heat during operation, so a heat dissipation shell is added to the outside of the battery to assist in heat dissipation. However, the heat dissipation shell of existing large cylindrical batteries usually only has some air holes or heat dissipation fins for heat conduction and heat dissipation. During continuous operation, the heat dissipation is slow and the heat dissipation effect is far from meeting the actual needs. As a result, the battery will bulge due to high temperature, which will seriously shorten the service life of large cylindrical batteries.

[0004] Therefore, it is necessary to provide a heat dissipation casing for large cylindrical batteries to overcome the above-mentioned defects. [Summary of the Invention]

[0005] The purpose of this invention is to provide a heat dissipation casing for large cylindrical batteries. This invention aims to improve the existing large cylindrical batteries, which generate a lot of heat during operation. Therefore, a heat dissipation casing is added to the outside of the battery to assist in heat dissipation. However, the existing heat dissipation casings for large cylindrical batteries usually only have some vents or heat dissipation fins for heat conduction and dissipation. During continuous operation, the heat dissipation is slow, and the heat dissipation effect is far from meeting the actual needs. As a result, the battery will bulge due to high temperature, which seriously shortens the service life of large cylindrical batteries.

[0006] To achieve the above objectives, the present invention provides a heat dissipation casing for a large cylindrical battery, comprising a housing, a support bracket fixedly connected to the bottom of the housing, a mounting base fixedly connected to the bottom of the support bracket, and a heat dissipation mechanism for assisting the housing in absorbing and dissipating heat fixedly installed in the middle of the outer side of the housing. The heat dissipation mechanism includes a heat-conducting cylinder and several heat dissipation fins connected to the outer side of the heat-conducting cylinder. An inner groove is formed in the middle of the inner wall of the housing, and a liquid-cooled hose is embedded inside the inner groove. A cold liquid tank is installed on the top of the mounting base, and a water pump is installed on one side of the bottom of the inner wall of the cold liquid tank. The output end of the water pump is connected to an input pipe. One end of the input pipe is connected to one end of the liquid cooling hose, and the other end of the liquid cooling hose is connected to a return pipe. One end of the return pipe is connected to the interior of the coolant tank. A sleeve is fixedly connected to the top of the housing, and a sleeve rod is snapped into the sleeve. A top plate is connected to the top of the sleeve rod. A fan-cooling mechanism for dissipating heat from the inside of the housing is installed at the bottom of the top plate. The fan-cooling mechanism includes a mounting shell and four cooling fans installed on the inner wall of the mounting shell. A battery support plate for carrying the battery is provided at the bottom of the housing. A telescopic rod is installed on the top of the battery support plate. The output end of the telescopic rod is connected to the bottom end of the housing, and a spring is sleeved on the outside of the telescopic rod.

[0007] In a preferred embodiment, the water pump and the cooling fan are both electrically connected to an external power supply via an external switch panel, which is used to control the water pump and the cooling fan.

[0008] In a preferred embodiment, the heat-conducting cylinder is sleeved on the outside of the shell, the heat-conducting cylinder is in contact with the surface of the shell, and a plurality of heat dissipation fins are distributed at equal intervals.

[0009] In a preferred embodiment, the surface of the heat-conducting cylinder is provided with a plurality of heat dissipation holes to facilitate the exhaust of hot air, and the heat dissipation holes are located between a plurality of heat dissipation fins, which facilitate auxiliary heat dissipation and exhaust.

[0010] In a preferred embodiment, the end of the input pipe away from the water pump is connected to the liquid cooling hose, and the end of the return pipe away from the liquid cooling hose is fixedly connected to the top of one side of the cold liquid tank. The return pipe is used for the circulation of cold liquid.

[0011] In a preferred embodiment, the water pump is installed on one side of the bottom of the inner wall of the coolant tank, and the side of the inner wall of the coolant tank away from the water pump is equipped with heat dissipation fins for dissipating heat from the inside of the coolant tank. The heat dissipation fins are used to dissipate heat from the coolant inside the coolant tank.

[0012] In a preferred embodiment, the opening of the mounting housing is vertically downward, and four cooling fans are installed at the corners of the inner wall of the mounting housing, with the air outlet of the cooling fans corresponding to the interior of the housing.

[0013] In a preferred embodiment, the top of the spring contacts the surface of the housing, and the bottom of the spring contacts the surface of the battery support plate, the spring being used to cushion the load when the battery is being carried.

[0014] In a preferred embodiment, the battery support plate is characterized in that rubber posts are connected to the corners of the battery support plate to facilitate the connection of the battery support plate, and one end of the rubber post is fixedly connected to the bottom of the shell.

[0015] In a preferred embodiment, the fixing blocks for fixing and limiting the fixing base are fixedly connected to the bottom of both sides of the fixing base, and the fixing blocks have fixing holes in the middle for easy installation of screws. The fixing blocks and fixing holes facilitate the fixing of the fixing base.

[0016] This invention provides a heat dissipation casing for large cylindrical batteries. During use, the large cylindrical battery is installed in the middle of the casing. A heat dissipation mechanism on the outer side of the casing is attached to the surface of the casing. The heat-conducting cylinder and heat dissipation fins of the heat dissipation mechanism can conduct heat outwards to dissipate heat from the casing. Simultaneously, a water pump is activated during operation, drawing coolant from the coolant tank and channeling it through an inlet pipe to a liquid-cooling hose on the inner wall of the casing. The liquid-cooling hose contacts the battery surface, and the continuous flow of coolant carries away heat from the battery surface, providing liquid cooling for the battery. The cooling fan of the air-cooling mechanism on top of the casing is activated, continuously blowing air downwards to cool the interior of the casing. This multi-layered heat dissipation casing accelerates heat dissipation from the battery, resulting in good heat dissipation and preventing the battery from bulging due to high temperatures during prolonged operation, effectively extending the battery's lifespan. [Attached Image Description]

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a structural diagram of the heat dissipation mechanism of the present invention;

[0020] Figure 3This is an enlarged structural diagram of invention A;

[0021] Figure 4 This is a diagram showing the internal structure of the cold liquid tank of the present invention;

[0022] Figure 5 This is a diagram showing the internal structure of the housing of the present invention;

[0023] Figure 6 This is a structural diagram of the air-cooling mechanism of the present invention;

[0024] Figure 7 This is a diagram showing the bottom connection structure of the housing of the present invention.

[0025] In the diagram: 1. Shell; 2. Bracket; 3. Fixing base; 4. Sleeve; 5. Sleeve rod; 6. Top plate; 7. Air-cooling mechanism; 8. Heat dissipation mechanism; 9. Coolant tank; 10. Fixing block; 11. Fixing hole; 12. Heat conduction cylinder; 13. Heat dissipation fins; 14. Heat dissipation vent; 15. Inner groove; 16. Liquid cooling hose; 17. Water pump; 18. Heat dissipation fins; 19. Inlet pipe; 20. Return pipe; 21. Mounting shell; 22. Cooling fan; 23. Battery support plate; 24. Rubber column; 25. Telescopic rod; 26. Spring.

Detailed Implementation Methods

[0026] To make the objectives, technical solutions, and beneficial effects of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described in this specification are merely for explaining the invention and are not intended to limit the invention.

[0027] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0028] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0029] Please see Figure 1-7In an embodiment of the present invention, a heat dissipation casing for a large cylindrical battery is provided, comprising a casing 1, a support 2 for supporting the casing 1 fixedly connected to the bottom of the casing 1, a fixing seat 3 fixedly connected to the bottom of the support 2, a heat dissipation mechanism 8 for assisting the casing 1 in absorbing and dissipating heat fixedly installed in the middle of the outer side of the casing 1, the heat dissipation mechanism 8 including a heat-conducting cylinder 12 and several heat dissipation fins 13 connected to the outer side of the heat-conducting cylinder 12, an inner groove 15 is formed in the middle of the inner wall of the casing 1, a liquid cooling hose 16 is embedded in the inner groove 15, a cold liquid tank 9 is installed on the top of the fixing seat 3, a water pump 17 is installed on one side of the bottom of the inner wall of the cold liquid tank 9, the output end of the water pump 17 is connected to an input pipe 19, one end of the input pipe 19 is connected to one end of the liquid cooling hose 16, the other end of the liquid cooling hose 16 is connected to a return pipe 20, one end of the return pipe 20 is connected to the inside of the cold liquid tank 9, a sleeve 4 is fixedly connected to the top of the casing 1, the sleeve 4 is engaged with a sleeve rod 5, the sleeve rod A top plate 6 is connected to the top of the housing 5. A cooling mechanism 7 for dissipating heat inside the housing 1 is installed at the bottom of the top plate 6. The cooling mechanism 7 includes a mounting shell 21 and four cooling fans 22 installed on the inner wall of the mounting shell 21. A battery support plate 23 for carrying the battery is provided at the bottom of the housing 1. A telescopic rod 25 is installed on the top of the battery support plate 23. The output end of the telescopic rod 25 is connected to the bottom end of the housing 1, and a spring 26 is sleeved on the outside of the telescopic rod 25. In this embodiment, during battery use, the heat dissipation mechanism 8 on the outside of the housing 1 is attached to the surface of the housing 1. The heat conduction cylinder 12 and heat dissipation fins 13 of the heat dissipation mechanism 8 can conduct heat outward to dissipate heat from the housing 1. During operation, the water pump 17 is started. The water pump 17 draws out the coolant inside the coolant tank 9 and guides it through the input pipe 19 to the liquid cooling hose 16 on the inner wall of the housing 1. The liquid cooling hose 16 is in contact with the battery surface. As the coolant continuously passes through, it carries away the heat from the battery surface, thus performing liquid cooling heat dissipation on the battery.

[0030] See Figure 1-7 The water pump 17 and the cooling fan 22 are both electrically connected to an external power supply through an external switch panel. The heat conduction cylinder 12 is sleeved on the outside of the housing 1 and is in contact with the surface of the housing 1. Several heat dissipation fins 13 are evenly distributed. Several heat dissipation holes 14 are opened on the surface of the heat conduction cylinder 12 to facilitate the exhaust of hot air. The heat dissipation holes 14 are located between several heat dissipation fins 13. In this embodiment, the heat dissipation mechanism 8 on the outside of the housing 1 is attached to the surface of the housing 1. The heat conduction cylinder 12 and the heat dissipation fins 13 of the heat dissipation mechanism 8 can conduct heat outward to dissipate heat from the housing 1.

[0031] See Figure 1-7The end of the inlet pipe 19 away from the water pump 17 is connected to the liquid cooling hose 16, and the end of the return pipe 20 away from the liquid cooling hose 16 is fixedly connected to the top of one side of the cold liquid tank 9. The water pump 17 is installed on one side of the bottom of the inner wall of the cold liquid tank 9. The side of the inner wall of the cold liquid tank 9 away from the water pump 17 is equipped with heat dissipation fins 18 for dissipating heat inside the cold liquid tank 9. In this embodiment, the water pump 17 draws out the cold liquid inside the cold liquid tank 9 and guides it through the inlet pipe 19 to the liquid cooling hose 16 on the inner wall of the housing 1. The liquid cooling hose 16 is in contact with the battery surface. As the cold liquid passes through continuously, it will carry away the heat from the battery surface. Then the cold liquid enters the cold liquid tank 9 through the return pipe 20 to complete the circulation.

[0032] See Figure 1-7 The opening of the mounting shell 21 is vertically downward. Four cooling fans 22 are installed at the corners of the inner wall of the mounting shell 21. The air outlet of the cooling fans 22 is corresponding to the inside of the shell 1. The top of the spring 26 is in contact with the surface of the shell 1, and the bottom of the spring 26 is in contact with the surface of the battery support plate 23. Rubber posts 24 are connected to the corners of the battery support plate 23 to facilitate connection. One end of the rubber post 24 is fixedly connected to the bottom of the shell 1. Fixing blocks 10 for fixing and limiting the fixing of the fixing base 3 are fixedly connected to the bottom of both sides of the fixing base 3. Fixing holes 11 for installing screws are opened in the middle of the fixing blocks 10. In this embodiment, during the process of the battery being supported by the battery support plate 23, the telescopic rod 25 and the spring 26 can buffer and support the battery, reducing the vibration damage to the battery.

[0033] In practical use, this invention provides a heat dissipation casing for large cylindrical batteries. During use, the large cylindrical battery is installed in the middle of the casing 1. The battery support plate 23 at the bottom of the casing 1 supports the battery. During battery use, the heat dissipation mechanism 8 on the outside of the casing 1 is attached to the surface of the casing 1. The heat conduction cylinder 12 and heat dissipation fins 13 of the heat dissipation mechanism 8 can conduct heat outward to dissipate heat from the casing 1. During operation, the water pump 17 is activated, drawing out the coolant from the coolant tank 9 and guiding it through the inlet pipe 19 to the liquid cooling hose 16 on the inner wall of the casing 1. The liquid cooling hose 16 is in contact with the battery surface, and the coolant does not... When the liquid flows through the battery, it carries away the heat from the battery surface. Then, the coolant enters the coolant tank 9 through the return pipe 20 to complete the circulation and cool the battery. In addition, the cooling fan 22 of the air-cooling mechanism 7 on the top of the housing 1 is activated. The cooling fan 22 blows air downwards continuously, which cools the inside of the housing 1. The entire heat dissipation shell has multiple cooling functions, which accelerates the dissipation of battery heat and avoids the phenomenon of high temperature bulging and overheating of the battery during long-term operation, effectively extending the battery life. Furthermore, when the battery is supported by the battery support plate 23, the telescopic rod 25 and the spring 26 can buffer the battery and reduce vibration damage.

[0034] The present invention is not limited to the description in the specification and embodiments, and thus other advantages and modifications can be readily realized by those skilled in the art. Therefore, the present invention is not limited to the specific details, representative devices and illustrated examples shown and described herein without departing from the spirit and scope of the general concept as defined by the claims and their equivalents.

Claims

1. A heat dissipation casing for a large cylindrical battery, comprising a casing (1), characterized in that: A bracket (2) for supporting the shell (1) is fixedly connected to the bottom of the shell (1). A fixed base (3) is fixedly connected to the bottom of the bracket (2). A heat dissipation mechanism (8) for assisting the shell (1) in absorbing and dissipating heat is fixedly installed in the middle of the outer side of the shell (1). The heat dissipation mechanism (8) includes a heat-conducting cylinder (12) and several heat dissipation fins (13) connected to the outer side of the heat-conducting cylinder (12). An inner groove (15) is opened in the middle of the inner wall of the shell (1). A liquid cooling hose (16) is embedded in the inner groove (15). A cold liquid tank (9) is installed on the top of the fixed base (3). A water pump (17) is installed on one side of the bottom of the inner wall of the cold liquid tank (9). The output end of the water pump (17) is connected to an input pipe (19). One end of the input pipe (19) is connected to one end of the liquid cooling hose (16). The other end of the liquid cooling hose (16) is connected to a return pipe (20), one end of which is connected to the interior of the cold liquid tank (9). A sleeve (4) is fixedly connected to the top of the housing (1), and a sleeve rod (5) is snapped into the sleeve (4). A top plate (6) is connected to the top of the sleeve rod (5). A wind-cooling mechanism (7) for dissipating heat from the inside of the housing (1) is installed at the bottom of the top plate (6). The wind-cooling mechanism (7) includes a mounting shell (21) and four cooling fans (22) installed on the inner wall of the mounting shell (21). A battery support plate (23) for carrying the battery is provided at the bottom of the housing (1). A telescopic rod (25) is installed on the top of the battery support plate (23). The output end of the telescopic rod (25) is connected to the bottom end of the housing (1), and a spring (26) is sleeved on the outside of the telescopic rod (25).

2. The heat dissipation casing for a large cylindrical battery as described in claim 1, characterized in that, The water pump (17) and the cooling fan (22) are both electrically connected to an external power supply via an external switch panel.

3. A heat dissipation casing for a large cylindrical battery as described in claim 1, characterized in that, The heat-conducting cylinder (12) is sleeved on the outside of the shell (1), and the heat-conducting cylinder (12) is in contact with the surface of the shell (1). Several heat dissipation fins (13) are distributed at equal intervals.

4. A heat dissipation casing for a large cylindrical battery as described in claim 1, characterized in that, The surface of the heat-conducting cylinder (12) is provided with several heat dissipation holes (14) to facilitate the exhaust of hot air, and the heat dissipation holes (14) are located between several heat dissipation fins (13).

5. A heat dissipation casing for a large cylindrical battery as described in claim 1, characterized in that, The end of the input pipe (19) away from the water pump (17) is connected to the liquid cooling hose (16), and the end of the return pipe (20) away from the liquid cooling hose (16) is fixedly connected to the top of one side of the cold liquid tank (9).

6. A heat dissipation casing for a large cylindrical battery as described in claim 1, characterized in that, The water pump (17) is installed on one side of the bottom of the inner wall of the cold liquid tank (9), and heat dissipation fins (18) for dissipating heat from the inside of the cold liquid tank (9) are installed on the side of the inner wall of the cold liquid tank (9) away from the water pump (17).

7. A heat dissipation casing for a large cylindrical battery as described in claim 1, characterized in that, The opening of the mounting shell (21) is vertically downward, and four cooling fans (22) are installed at the corners of the inner wall of the mounting shell (21). The air outlet of the cooling fan (22) is correspondingly set inside the shell (1).

8. A heat dissipation casing for a large cylindrical battery as described in claim 1, characterized in that, The top of the spring (26) is in contact with the surface of the housing (1), and the bottom of the spring (26) is in contact with the surface of the battery support plate (23).

9. A heat dissipation casing for a large cylindrical battery as described in claim 1, characterized in that, The corners of the battery support plate (23) are connected with rubber posts (24) to facilitate the connection of the battery support plate (23), and one end of the rubber post (24) is fixedly connected to the bottom of the housing (1).

10. A heat dissipation casing for a large cylindrical battery as described in claim 1, characterized in that, The bottom of both sides of the fixed base (3) is fixedly connected to a fixing block (10) for fixing and limiting the fixed base (3), and the fixing block (10) has a fixing hole (11) in the middle for easy installation of screws.

Images