Household energy storage device and battery module thereof

Abstract

The utility model discloses a household energy storage device and its battery module relates to energy storage device technical field, including the shell, the surface left and right sides of shell are both fixedly equipped with heat conducting plate, the heat conducting plate serves as the closing plate of shell both sides, the middle part of shell inner surface is fixedly equipped with the clapboard, the clapboard is equipped with the battery module, the battery module is equipped with the battery module. A partition plate is arranged in the shell, the interior of the shell is divided into a left cavity and a right cavity by the partition plate, a battery module main body is fixedly mounted in each cavity, an S-shaped flow channel is formed in the partition plate, and a protection box is fixedly mounted on the rear side of the outer surface of the shell. According to the household energy storage device and the battery module thereof, compared with the existing common energy storage device and the battery module thereof, the partition plate can cool the central concentrated position of the battery module main body, so that the condition that the central concentrated position of the battery module main body is overhigh in temperature and overloaded due to the fact that the central accumulation position cannot exchange heat with the outside is avoided; therefore, stable power supply operation of the battery module main body in a low-temperature state can be ensured.

Description

Technical Field

[0001] This utility model relates to the field of energy storage device technology, specifically a household energy storage device and its battery module. Background Technology

[0002] An energy storage device is a power supply device used to store electrical energy. It can output 220V AC power, enabling the energy storage power supply to power electronic products such as rice cookers or coffee machines. It can also be used for lighting, or to charge electrical equipment using a power strip. It is designed for outdoor emergency use and features light weight, large capacity, and high power.

[0003] Existing energy storage devices and their battery modules generate heat during use. The energy storage device uses a fan to dissipate the heat, which can dissipate heat to a certain extent. However, the space where most of the battery modules are stacked is too enclosed, and the battery modules exchange heat with each other in this area. This results in the central part of the entire device getting hotter. Ordinary fan cooling is insufficient to dissipate heat in the central area, which makes the entire device very likely to overheat and overload, thus causing damage.

[0004] Therefore, in view of this, we have studied and improved the existing structure to address its shortcomings, and proposed a home energy storage device and its battery module. Utility Model Content

[0005] The purpose of this invention is to provide a household energy storage device and its battery module to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a household energy storage device and its battery module, comprising a housing, wherein heat-conducting plates are fixedly installed on both the left and right sides of the surface of the housing, the heat-conducting plates serving as the two side sealing plates of the housing, a partition is fixedly installed in the middle of the inner surface of the housing, the partition dividing the interior of the housing into left and right chambers, and a battery module body is fixedly installed in each chamber, an "S"-shaped flow channel is provided inside the partition, and a protective box is fixedly installed on the rear side of the outer surface of the housing, and a circulation mechanism is provided inside the protective box.

[0007] Preferably, the circulation mechanism includes a removable refrigeration box fixedly installed on the upper side of the inner surface of the protective box, and a return pipe is fixedly connected to the upper end of the semiconductor refrigeration box. The front end of the return pipe passes through the shell and connects to the upper opening of the flow channel.

[0008] Preferably, the circulation mechanism further includes a small suction pump fixedly connected to the lower end of the semiconductor cooling box via a pipe, and a water delivery pipe fixedly connected to the lower end of the small suction pump, the lower end of which passes through the housing and connects to the bottom opening of the flow channel.

[0009] Preferably, a top cover is fixedly installed on the upper surface of the housing using bolts, and the middle part of the top cover is set as a trapezoidal protrusion. The top shape of the partition matches the shape of the top cover, thus separating the left and right chambers.

[0010] Preferably, exhaust fans are fixedly connected to the upper middle part of the outer surface of the top cover on both the left and right sides, and the exhaust fans correspond to the upper side of the left and right side chambers.

[0011] Preferably, fins are fixedly installed on both the front and rear sides of the outer surface of the top cover, and air holes are evenly distributed on the surface of the fins.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model utilizes a heat-conducting plate, partition, protective box, circulation mechanism, return pipe, semiconductor refrigeration box, small suction pump, water supply pipe, and flow channel. The partition separates the two battery module bodies into different chambers, preventing interference between them. The heat generated by the battery module bodies during operation is dissipated through heat exchange with the outside environment via the heat-conducting plate. The concentrated heat in the middle is transferred to the partition, which absorbs the heat from both battery module bodies at once, resulting in extremely rapid and high temperatures. At this point, the small suction pump draws refrigerant from the semiconductor refrigeration box, which is then delivered through the water supply pipe. The refrigerant is fed into the flow channel, where it can fully absorb the heat from the separator in the "S"-shaped flow channel, thereby cooling the separator. The separator can also cool the central concentrated area of ​​the battery module, preventing the central accumulation area from being unable to exchange heat with the outside, which could lead to an overheated and overloaded central concentrated area of ​​the battery module. This ensures that the battery module operates stably with power at a low temperature. The refrigerant in the flow channel will enter the semiconductor cooling box through the return pipe. In the box, the refrigerant will be cooled a second time by the semiconductor cooling chip and then sucked in again by a small suction pump, thus recycling the refrigerant.

[0014] 2. This utility model, through the design of a top cover, exhaust fan, fins, and vents, allows heat from the battery module body that is not promptly exchanged to be exchanged with the internal air, causing the hot airflow to rise. The shape of the top cover ensures that the hot airflow accumulates at the location of the exhaust fan. When the exhaust fan rotates, it can fully expel all the hot airflow, thus preventing a large amount of hot airflow from accumulating inside the casing and causing the battery module body to overheat and short-circuit. The fins can exchange the heat attached to the top cover with the outside air, and the vents improve the airflow between the fins, improving the heat exchange efficiency of the fins and preventing the top cover from overheating and affecting the battery module body. This prevents the hot airflow inside the casing from causing overheating of the entire device, and allows for timely and effective expulsion of hot airflow. Attached Figure Description

[0015] Figure 1This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the shell structure of this utility model;

[0017] Figure 3 This is a cross-sectional view of the circulation mechanism and partition of this utility model;

[0018] Figure 4 This is a schematic diagram of the top cover structure of this utility model.

[0019] In the diagram: 1. Shell; 2. Heat-conducting plate; 3. Separator; 4. Battery module body; 5. Protective box; 6. Circulation mechanism; 601. Return pipe; 602. Semiconductor cooling box; 603. Small suction pump; 604. Water supply pipe; 7. Flow channel; 8. Top cover; 9. Exhaust fan; 10. Fins; 11. Air vent. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1-4 As shown, a household energy storage device and its battery module include a housing 1. Heat-conducting plates 2 are fixedly installed on both the left and right sides of the surface of the housing 1. The heat-conducting plates 2 serve as the two side sealing plates of the housing 1. A partition 3 is fixedly installed in the middle of the inner surface of the housing 1. The partition 3 divides the interior of the housing 1 into two chambers, and a battery module body 4 is fixedly installed in each chamber. An "S"-shaped flow channel 7 is opened inside the partition 3. A protective box 5 is fixedly installed on the rear side of the outer surface of the housing 1. A circulation mechanism 6 is provided inside the protective box 5.

[0022] By adopting the above technical solution, the partition 3 separates the two battery module bodies 4 into different chambers, so that the battery module bodies 4 do not interfere with each other.

[0023] The heat generated by the battery module body 4 during operation will be dissipated through heat exchange with the outside world via heat conduction plate 2;

[0024] Furthermore, the circulation mechanism 6 includes a removable bulk refrigeration box 602 fixedly installed on the upper side of the inner surface of the protective box 5. The upper end of the semiconductor refrigeration box 602 is fixedly connected to a return pipe 601, and the front end of the return pipe 601 passes through the shell 1 and connects to the upper opening of the flow channel 7.

[0025] The circulation mechanism 6 also includes a small suction pump 603 fixedly connected to the lower end of the semiconductor cooling box 602 via a pipe. The lower end of the small suction pump 603 is fixedly connected to a water delivery pipe 604, and the lower end of the water delivery pipe 604 passes through the housing 1 and connects to the bottom opening of the flow channel 7.

[0026] By adopting the above technical solution, the separator 3 absorbs the heat from both sides of the battery module body 4 at one time. At this time, the small suction pump 603 will draw the refrigerant in the semiconductor cooling box 602 and send it into the flow channel 7 through the water supply pipe 604. The refrigerant can fully absorb the heat of the separator 3 in the "S"-shaped flow channel 7, thereby cooling the separator 3. The separator 3 can also cool the concentrated area in the middle of the battery module body 4, avoiding the situation where the concentrated area in the middle cannot exchange heat with the outside, resulting in the temperature of the concentrated area in the middle of the battery module body 4 being too high and overloaded.

[0027] The refrigerant in the flow channel 7 will enter the semiconductor cooling box 602 through the return pipe 601. The refrigerant will be cooled again in the box by the semiconductor cooling chip and then sucked in again by the small suction pump 603, thus recycling the refrigerant.

[0028] Furthermore, a top cover 8 is fixedly installed on the upper surface of the housing 1 using bolts, and the middle part of the top cover 8 is set as a trapezoidal protrusion. The top shape of the partition 3 matches the shape of the top cover 8, thus separating the left and right chambers.

[0029] By adopting the above technical solution, the heat that is not exchanged in time in the main body 4 of the battery module will be exchanged with the internal air, thereby causing the hot airflow to rise. The shape of the top cover 8 can ensure that the hot airflow accumulates at the position of the exhaust fan 9.

[0030] Furthermore, exhaust fans 9 are fixedly connected to the upper middle part of the outer surface of the top cover 8 on both the left and right sides, and the exhaust fans 9 correspond to the upper side of the left and right side chambers.

[0031] By adopting the above technical solution, the exhaust fan 9 can rotate and fully exhaust all the hot air, thereby avoiding the accumulation of a large amount of hot air inside the casing 1, which could cause the battery module body 4 to overheat and short-circuit.

[0032] Furthermore, fins 10 are fixedly installed on the front and back sides of the outer surface of the top cover 8, and air holes 11 are evenly distributed on the surface of the fins 10.

[0033] By adopting the above technical solution, the fins 10 can exchange the heat attached to the top cover 8 with the outside air, and the air holes 11 can be used to improve the airflow between the fins 10, improve the heat exchange efficiency of the fins 10, and prevent the top cover 8 from overheating and affecting the battery module body 4.

[0034] Working Principle: When using this household energy storage device and its battery modules, firstly, the separator 3 separates the two battery module bodies 4 into different chambers, thus preventing interference between them. The heat generated by the battery module bodies 4 during operation is dissipated through heat exchange with the outside environment via the heat-conducting plate 2. The concentrated heat in the middle is transferred to the separator 3. The separator 3 absorbs the heat from both battery module bodies 4 at once, resulting in extremely rapid and high temperatures. At this time, the small suction pump 603 draws refrigerant from the semiconductor cooling box 602 and sends it into the flow channel 7 through the water supply pipe 604. The refrigerant in the "S"-shaped flow channel 7 can fully absorb the heat from the separator 3, thereby cooling the separator 3. The separator 3 can also cool the concentrated area in the middle of the battery module body 4. The refrigerant in the flow channel 7 will return through the return pipe 601. Upon entering the semiconductor cooling box 602, the refrigerant undergoes secondary cooling using semiconductor cooling chips and is then drawn back in by a small suction pump 603. Heat that is not immediately exchanged within the battery module body 4 is exchanged with the internal air, causing the hot airflow to rise. The shape of the top cover 8 ensures that the hot airflow accumulates at the location of the exhaust fan 9. The rotation of the exhaust fan 9 effectively exhausts all the hot airflow. The fins 10 exchange heat between the top cover 8 and the outside air, and the vents 11 enhance airflow between the fins 10, improving their heat exchange efficiency and preventing overheating of the top cover 8, which could affect the battery module body 4. This prevents the hot airflow inside the casing 1 from causing overheating of the entire device. This is the working principle of this household energy storage device and its battery module.

Claims

1. A domestic energy storage device and battery module thereof, comprising a housing (1), characterized in that, Heat-conducting plates (2) are fixedly installed on both the left and right sides of the surface of the housing (1). The heat-conducting plates (2) serve as the two side sealing plates of the housing (1). A partition (3) is fixedly installed in the middle of the inner surface of the housing (1). The partition (3) divides the interior of the housing (1) into two chambers, and a battery module body (4) is fixedly installed in each chamber. An "S"-shaped flow channel (7) is opened inside the partition (3). A protective box (5) is fixedly installed on the rear side of the outer surface of the housing (1). A circulation mechanism (6) is provided inside the protective box (5).

2. A domestic energy storage device and battery module therefor according to claim 1, wherein, The circulation mechanism (6) includes a semiconductor cooling box (602) fixedly installed on the upper side of the inner surface of the protective box (5). The upper end of the semiconductor cooling box (602) is fixedly connected to a return pipe (601). The front end of the return pipe (601) passes through the shell (1) and is connected to the upper opening of the flow channel (7).

3. The home energy storage device and battery module thereof according to claim 1, wherein, The circulation mechanism (6) also includes a small suction pump (603) fixedly connected to the lower end of the semiconductor cooling box (602) via a pipe. The lower end of the small suction pump (603) is fixedly connected to a water delivery pipe (604), and the lower end of the water delivery pipe (604) passes through the housing (1) and connects to the bottom opening of the flow channel (7).

4. The home energy storage device and battery module thereof according to claim 1, wherein, The upper surface of the housing (1) is fixed with a top cover (8) by bolts, and the middle part of the top cover (8) is set as a trapezoidal protrusion. The top shape of the partition (3) matches the shape of the top cover (8) to separate the left and right chambers.

5. A domestic energy storage device and battery module therefor according to claim 4, wherein, The top cover (8) has exhaust fans (9) fixedly connected to the upper middle part of the outer surface on both sides, and the exhaust fans (9) correspond to the upper side of the left and right side chambers.

6. The home energy storage device and battery module thereof according to claim 4, wherein, The top cover (8) has fins (10) fixedly installed on the front and back sides of its outer surface, and the surface of the fins (10) is evenly distributed with air holes (11).

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