Liquid-cooled rechargeable battery pack

Abstract

The utility model discloses a liquid-cooled rechargeable battery pack, which belongs to the technical field of batteries, and comprises a battery body, a bearing mechanism is arranged at the bottom of the battery body, the bearing mechanism comprises a supporting assembly and a heat dissipation assembly, the supporting assembly is arranged at the bottom of the battery body, and the heat dissipation assembly is arranged at the bottom of the battery body. The heat dissipation assembly is arranged at the bottom of the battery body, by arranging the supporting assembly and the heat dissipation assembly, when the liquid-cooled rechargeable battery pack is used, protection measures can be achieved through a self-protection shell, the supporting assembly and the heat dissipation assembly, the risk after the battery is aged is reduced, the heat dissipation device surrounds the outer side of the liquid-cooled rechargeable battery pack, and the service life of the battery pack is prolonged. And when the electric vehicle is placed in the electric vehicle, the shock absorption system of the vehicle and the supporting assembly are matched with the heat dissipation assembly to relieve impact, so that the electric vehicle has an additional shock absorption means, the impact suffered by the electric vehicle on a road section with a poor road surface is relieved, and damage to internal parts of the electric vehicle is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a liquid-cooled rechargeable battery pack. Background Art

[0002] Rechargeable battery packs are a new energy source that is now being promoted for use. They can be installed in cars, electric vehicles and other vehicles as a power source.

[0003] When in use, existing rechargeable battery packs are generally installed directly into the interior of the vehicle, and their protection measures only rely on their own protective shell, which makes the battery dangerous after aging. In addition, they are generally installed in a closed manner, and the heat dissipation effect is poor, which makes the temperature high when charging. When placed inside an electric vehicle, they only rely on the vehicle's own poor shock absorption system to alleviate the impact. They do not have additional shock absorption measures, which makes them suffer excessive impact on sections with poor road conditions, easily damaging their internal parts. For this reason, a liquid-cooled rechargeable battery pack with auxiliary heat dissipation and shock absorption functions is needed. Utility Model Content

[0004] The utility model provides a liquid-cooled rechargeable battery pack, aiming to solve the problem that the existing rechargeable battery pack is generally directly installed inside the vehicle when in use, and its protection measures only rely on its own protective shell, which makes the battery dangerous after aging, and the heat dissipation effect is generally poor due to its closed installation, which makes the temperature high when charging, and when it is placed inside the electric vehicle, it only relies on the vehicle's own poor shock absorption system to alleviate the impact, and it itself has no additional shock absorption means, so that it is subjected to excessive impact on sections with poor road conditions, which is easy to damage its internal parts. Therefore, a liquid-cooled rechargeable battery pack with auxiliary heat dissipation and shock absorption functions is needed.

[0005] The utility model is implemented as follows: a liquid-cooled rechargeable battery pack comprises a battery body, a bearing mechanism is arranged at the bottom of the battery body, the bearing mechanism comprises a supporting assembly and a heat dissipation assembly, the supporting assembly is arranged at the bottom of the battery body, and the heat dissipation assembly is arranged at the bottom of the battery body;

[0006] The support assembly includes a bearing plate, a sealing support rod, a bearing spring and a bearing cylinder, wherein the bearing plate is threadedly connected to both sides of the bottom of the battery body, the sealing support rod is fixedly connected to the bottom of the bearing plate, the bearing spring is fixedly connected to the bottom of the bearing plate, and the bearing cylinder is arranged at the bottom of the battery body;

[0007] The heat dissipation assembly includes a carrying shell, a water cooling box, a floating measuring rod and a small water pump. The carrying shell is arranged at the bottom of the battery body, the water cooling box is clamped on the right side of the inner side of the carrying shell, the floating measuring rod is slidably connected to the right side of the top of the carrying shell, and the small water pump is arranged on the inner side of the water cooling box.

[0008] In order to facilitate the movement of the sealing support rod and the supporting spring, as a preferred liquid-cooled rechargeable battery pack of the utility model, the bottom of the outer side of the sealing support rod is slidably connected to the inner side of the supporting tube, the outer side of the sealing support rod is close to the inner side of the supporting spring, the bottom of the outer side of the supporting tube is fixedly connected with an expansion plate, and the bottom of the expansion plate is threadedly connected to the bottom of the inner side of the supporting shell.

[0009] In order to achieve the effect of fixing the load-bearing spring, as a preferred liquid-cooled rechargeable battery pack of the utility model, the bottom of the load-bearing spring is fixedly connected to the top of the expansion plate, and the inner side of the load-bearing spring is close to the outer side of the load-bearing tube.

[0010] In order to achieve the effect of protecting and helping the battery body to dissipate heat, as a preferred liquid-cooled rechargeable battery pack of the utility model, the surface on the inner side of the supporting shell contacts the surface of the battery body, the surface on the inner bottom of the supporting shell is connected to the bottom of the supporting tube, and the right side of the bottom of the front side of the supporting shell is connected to a soft water return pipe, and the right side of the soft water return pipe is plugged into the bottom of the front side of the water cooling box.

[0011] In order to facilitate the small water pump to pump liquid into the interior of the carrying shell, as a preferred liquid-cooled rechargeable battery pack of the utility model, the output end of the top of the small water pump is connected to an output pipe, the top of the output pipe passes through the top of the water cooling box, and the top of the output pipe is connected to the left side of the top of the carrying shell.

[0012] In order to achieve the effect of limiting the position of the output tube, as a preferred liquid-cooled rechargeable battery pack of the utility model, a limiting ring is fixedly connected to the top of the rear side of the supporting shell, and the inner side of the limiting ring is clamped with the shell of the output tube.

[0013] In order to prevent the water cooling box from leaking, as a preferred liquid-cooled rechargeable battery pack of the utility model, the bottom of the front side of the water cooling box is threadedly connected with a sealing barrel, and the inner side of the sealing barrel is in contact with the outer side of the soft water return pipe.

[0014] In order to facilitate the user to move the water cooling box, as a preferred liquid-cooled rechargeable battery pack of the utility model, a handle is rotatably connected to the front side of the top of the water cooling box, and an elastic protective cover is sleeved on the outer side of the handle.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The liquid-cooled rechargeable battery pack is provided with a support component and a heat dissipation component. When the liquid-cooled rechargeable battery pack is used, the support component and the heat dissipation component can be combined with the battery body and moved to a suitable working position, so that the support component cooperates with the heat dissipation component to form a protective structure for it. At the same time, the user can put cooling liquid into the heat dissipation component so that the cooling liquid circulates around the battery body. During the input process, the user can observe the measurement structure inside the heat dissipation component to prevent the input of too much cooling liquid, so that the support component can cooperate with it to alleviate the impact force formed by the battery body. In this way, when the liquid-cooled rechargeable battery pack is in use, its protective measures can rely on its own protective shell and the support component and the heat dissipation component for protection, reducing the danger of battery aging, and the heat dissipation device is surrounded on the outside to increase its own heat dissipation effect and reduce its temperature during charging. When it is placed inside an electric vehicle, it can rely on the vehicle's own shock absorption system and the support component to cooperate with the heat dissipation component to alleviate the impact, so that it has additional shock absorption means to reduce the impact it suffers on sections with poor road conditions and avoid damage to its internal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall structural diagram of a liquid-cooled rechargeable battery pack in the utility model;

[0018] Figure 2 It is a structural schematic diagram of the load-bearing component in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the auxiliary observation component in the utility model;

[0020] Figure 4 It is a schematic diagram of the position of the limit column in the utility model;

[0021] Figure 5 It is a schematic diagram of the position of the universal joint rod in the utility model.

[0022] In the figure, 1. battery body; 2. bearing mechanism; 201. support assembly; 2011. bearing plate; 2012. sealing support rod; 2013. bearing spring; 2014. bearing tube; 202. heat dissipation assembly; 2021. bearing shell; 2022. water cooling box; 2023. floating measuring rod; 2024. small water pump; 3. expansion plate; 4. soft return pipe; 5. output pipe; 6. limit ring; 7. sealing barrel; 8. handle. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 A liquid-cooled rechargeable battery pack includes a battery body 1, a carrying mechanism 2 is arranged at the bottom of the battery body 1, the carrying mechanism 2 includes a supporting component 201 and a heat dissipation component 202, the supporting component 201 is arranged at the bottom of the battery body 1, and the heat dissipation component 202 is arranged at the bottom of the battery body 1;

[0026] The support assembly 201 includes a bearing plate 2011, a sealing support rod 2012, a bearing spring 2013 and a bearing cylinder 2014. The bearing plate 2011 is threadedly connected to both sides of the bottom of the battery body 1, the sealing support rod 2012 is fixedly connected to the bottom of the bearing plate 2011, the bearing spring 2013 is fixedly connected to the bottom of the bearing plate 2011, and the bearing cylinder 2014 is arranged at the bottom of the battery body 1;

[0027] The heat dissipation assembly 202 includes a carrying shell 2021, a water cooling box 2022, a floating measuring rod 2023 and a small water pump 2024. The carrying shell 2021 is arranged at the bottom of the battery body 1, the water cooling box 2022 is clamped on the right side of the inner side of the carrying shell 2021, the floating measuring rod 2023 is slidably connected to the right side of the top of the carrying shell 2021, and the small water pump 2024 is arranged on the inner side of the water cooling box 2022.

[0028] In this embodiment, by arranging the bearing plate 2011, the sealing support rod 2012, the bearing spring 2013, the bearing cylinder 2014 to cooperate with the bearing shell 2021, the water cooling box 2022, the floating measuring rod 2023, and the small water pump 2024, when the liquid-cooled rechargeable battery pack is used, the bearing plate 2011, the sealing support rod 2012, the bearing spring 2013, the bearing cylinder 2014, the bearing shell 2021, the water cooling box 2022, the floating measuring rod 2023, and the small water pump 2024 can be combined with the battery body 1 and moved to a suitable working position, so that the bearing plate 2011, the sealing support rod 2012, the bearing spring 2013 and the bearing cylinder 2024 are in a state of being ... 14 cooperates with the supporting shell 2021 to form a protective structure therefor, and the user can put the cooling liquid into the water cooling box 2022 and the supporting shell 2021, so that the cooling liquid circulates around the battery body 1, and during the input process, the user can observe the rising distance of the floating measuring rod 2023 to prevent the input of too much cooling liquid, so that the supporting plate 2011 can transfer the impact force of the battery itself to the sealing support rod 2012 and the supporting spring 2013, so that the sealing support rod 2012 can press down the cooling liquid inside the supporting tube 2014, and alleviate the impact force formed by the battery body 1 by squeezing the cooling liquid and cooperating with the supporting spring 2013.

[0029] As a technical optimization solution of the utility model, the bottom of the outer side of the sealing support rod 2012 is slidably connected to the inner side of the bearing tube 2014, the outer side of the sealing support rod 2012 is close to the inner side of the bearing spring 2013, the bottom of the outer side of the bearing tube 2014 is fixedly connected with an expansion plate 3, and the bottom of the expansion plate 3 is threadedly connected to the bottom of the inner side of the bearing shell 2021.

[0030] In this embodiment: by providing the sealing support rod 2012 and the bearing tube 2014, the sealing support rod 2012 and the bearing spring 2013 can be easily moved, thereby increasing practicality.

[0031] As a technical optimization solution of the present invention, the bottom of the bearing spring 2013 is fixedly connected to the top of the expansion plate 3 , and the inner side of the bearing spring 2013 is close to the outer side of the bearing tube 2014 .

[0032] In this embodiment, the support spring 2013 can be fixed by providing the expansion plate 3, thereby increasing practicality.

[0033] As a technical optimization solution of the utility model, the surface inside the load-bearing shell 2021 contacts the surface of the battery body 1, the surface of the inner bottom of the load-bearing shell 2021 is connected to the bottom of the load-bearing tube 2014, and the right side of the bottom of the front side of the load-bearing shell 2021 is connected to the soft water return pipe 4, and the right side of the soft water return pipe 4 is plugged into the bottom of the front side of the water cooling box 2022.

[0034] In this embodiment, by providing the bearing shell 2021 and the soft water return pipe 4, the battery body 1 can be protected and assisted in heat dissipation, thereby increasing practicality.

[0035] As a technical optimization solution of the utility model, the output end of the top of the small water pump 2024 is connected to the output pipe 5, the top of the output pipe 5 passes through the top of the water cooling box 2022, and the top of the output pipe 5 is connected to the left side of the top of the supporting shell 2021.

[0036] In this embodiment, by providing the output pipe 5 , the small water pump 2024 can be conveniently used to pump the liquid into the interior of the bearing shell 2021 , thereby increasing practicality.

[0037] As a technical optimization solution of the present invention, a limit ring 6 is fixedly connected to the top of the rear side of the bearing shell 2021 , and the inner side of the limit ring 6 is clamped with the shell of the output pipe 5 .

[0038] In this embodiment, by providing a limiting ring 6, the position of the output tube 5 can be limited, thereby increasing practicality.

[0039] As a technical optimization solution of the utility model, a sealing barrel 7 is threadedly connected to the bottom of the front side of the water cooling box 2022, and the inner side of the sealing barrel 7 is in contact with the outer side of the soft water return pipe 4.

[0040] In this embodiment: by providing a sealing barrel 7, it is possible to prevent the water cooling box 2022 from leaking, thereby increasing practicality.

[0041] As a technical optimization solution of the utility model, a handle 8 is rotatably connected to the front side of the top of the water cooling box 2022, and an elastic protective sleeve is sleeved on the outer side of the handle 8.

[0042] In this embodiment, by providing a handle 8, the user can move the water cooling box 2022 conveniently, thereby increasing practicality.

[0043] Working principle: First, when installing the battery body 1, when using the liquid-cooled rechargeable battery pack, the load-bearing plate 2011, the sealing support rod 2012, the load-bearing spring 2013, the load-bearing cylinder 2014, the load-bearing shell 2021, the water cooling box 2022, the floating measuring rod 2023, the small water pump 2024 and the battery body 1 can be combined and moved to a suitable working position, so that the load-bearing plate 2011, the sealing support rod 2012, the load-bearing spring 2013 and the load-bearing cylinder 2014 cooperate with the load-bearing shell 2021 to form a protective structure for it, and the user can also apply the cooling liquid to the battery body 1. The body is placed inside the water cooling box 2022 and the supporting shell 2021, so that the cooling liquid circulates around the battery body 1. During the input process, the user can observe the rising distance of the floating measuring rod 2023 to prevent the input of too much cooling liquid, so that the supporting plate 2011 can transfer the impact force of the battery itself to the sealing support rod 2012 and the supporting spring 2013, so that the sealing support rod 2012 can press down the cooling liquid inside the supporting tube 2014, and alleviate the impact force formed by the battery body 1 by squeezing the cooling liquid and cooperating with the supporting spring 2013.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid-cooled rechargeable battery pack, comprising a battery body (1), characterized in that: A bearing mechanism (2) is arranged at the bottom of the battery body (1), the bearing mechanism (2) comprising a supporting component (201) and a heat dissipation component (202), the supporting component (201) being arranged at the bottom of the battery body (1), and the heat dissipation component (202) being arranged at the bottom of the battery body (1); The support assembly (201) comprises a bearing plate (2011), a sealing support rod (2012), a bearing spring (2013) and a bearing cylinder (2014); the bearing plate (2011) is threadedly connected to two sides of the bottom of the battery body (1); the sealing support rod (2012) is fixedly connected to the bottom of the bearing plate (2011); the bearing spring (2013) is fixedly connected to the bottom of the bearing plate (2011); and the bearing cylinder (2014) is arranged at the bottom of the battery body (1); The heat dissipation assembly (202) comprises a bearing shell (2021), a water cooling box (2022), a floating measuring rod (2023) and a small water pump (2024); the bearing shell (2021) is arranged at the bottom of the battery body (1); the water cooling box (2022) is snap-connected to the right side of the inner side of the bearing shell (2021); the floating measuring rod (2023) is slidably connected to the right side of the top of the bearing shell (2021); and the small water pump (2024) is arranged on the inner side of the water cooling box (2022).

2. A liquid-cooled rechargeable battery pack according to claim 1, characterized in that: The bottom of the outer side of the sealing support rod (2012) is slidably connected to the inner side of the bearing tube (2014), the outer side of the sealing support rod (2012) is close to the inner side of the bearing spring (2013), the bottom of the outer side of the bearing tube (2014) is fixedly connected to an expansion plate (3), and the bottom of the expansion plate (3) is threadedly connected to the bottom of the inner side of the bearing shell (2021).

3. A liquid-cooled rechargeable battery pack according to claim 1, characterized in that: The bottom of the load-bearing spring (2013) is fixedly connected to the top of the expansion plate (3), and the inner side of the load-bearing spring (2013) is close to the outer side of the load-bearing tube (2014).

4. A liquid-cooled rechargeable battery pack according to claim 1, characterized in that: The inner surface of the load-bearing shell (2021) contacts the surface of the battery body (1), the inner bottom surface of the load-bearing shell (2021) is connected to the bottom of the load-bearing tube (2014), the right side of the front bottom of the load-bearing shell (2021) is connected to a soft water return pipe (4), and the right side of the soft water return pipe (4) is plugged into the bottom of the front side of the water cooling box (2022).

5. The liquid-cooled rechargeable battery pack according to claim 1, characterized in that: The output end at the top of the small water pump (2024) is connected to an output pipe (5), the top of the output pipe (5) passes through the top of the water cooling box (2022), and the top of the output pipe (5) is connected to the left side of the top of the bearing shell (2021).

6. A liquid-cooled rechargeable battery pack according to claim 1, characterized in that: The top of the rear side of the bearing shell (2021) is fixedly connected to a limiting ring (6), and the inner side of the limiting ring (6) is snap-fitted to the shell of the output pipe (5).

7. A liquid-cooled rechargeable battery pack according to claim 1, characterized in that: The bottom of the front side of the water cooling box (2022) is threadedly connected to a sealing barrel (7), and the inner side of the sealing barrel (7) is in contact with the outer side of the soft water return pipe (4).

8. The liquid-cooled rechargeable battery pack according to claim 1, characterized in that: The front side of the top of the water cooling box (2022) is rotatably connected to a handle (8), and the outer side of the handle (8) is sleeved with an elastic protective sleeve.

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