Household energy storage battery pack

Abstract

The household energy storage battery pack provided by the utility model comprises the battery pack body and the confluence box arranged on the battery pack body, the heat dissipation fire-fighting structure is arranged on the battery pack body, and the heat dissipation fire-fighting structure can improve the heat dissipation effect of the battery pack body, can effectively detect the internal and external environment temperatures of the battery pack, effectively warns fire safety, and improves the safety of the battery pack. According to the household energy storage battery pack provided by the utility model, the situation that the control cannot be realized due to large fire can be avoided, the safety of the household energy storage battery pack can be effectively improved, the fire safety can be effectively warned, the fire protection problem can be effectively avoided, and the safety of the household energy storage battery pack is improved. The situation that control cannot be achieved due to the large fire behavior can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of energy storage battery pack, specifically, the utility model relates to a household energy storage battery pack. BACKGROUND

[0002] Household energy storage is also called household energy storage system, which is similar to micro energy storage power station, and its operation is not affected by urban power supply pressure. During the low electricity consumption period, the battery pack in the household energy storage can be charged automatically for use during the power peak or power failure, and the fire safety problem of the household energy storage battery pack needs special attention. In the prior art, the household energy storage battery pack is usually matched with a fire extinguisher, but it cannot effectively prevent fire safety in time, has low safety, cannot achieve early prevention, and is easy to cause uncontrollable fire.

[0003] To solve the above problems, patent document 204424349U discloses an energy storage battery pack shell, which comprises at least one battery pack mounting bracket, a top cover, a peripheral shell and a support frame. One end of the support frame is provided with at least one groove, and the other end of the support frame is provided with at least one airflow feeding device mounting groove. The groove and the airflow feeding device mounting groove are in communication with each other. The battery pack mounting bracket is formed by two battery pack mounting bracket parts matched and combined with each other. The battery pack mounting bracket is placed above the groove of the support frame in layers. The top cover is arranged on the top of the uppermost layer of the battery pack mounting bracket, and an opening is formed between one end of the top cover and the top of the uppermost layer of the battery pack mounting bracket at a certain angle. The peripheral shell is mounted and fixed around the battery pack mounting bracket. However, the above problems cannot be solved. UTILITARIAN CONTENT

[0004] The utility model is carried out in order to solve the above problems, and aims at providing a household energy storage battery pack which can improve safety, effectively prevent fire safety, effectively prevent fire problems, and avoid uncontrollable fire. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] The utility model provides a kind of household energy storage battery pack, with such characteristics, including battery pack body and be set on the battery pack body The battery pack body is provided with heat dissipation fire-fighting structure.

[0006] In the household energy storage battery pack provided by the utility model, the battery pack body can also have the following characteristics: the battery pack body includes a battery pack box and a battery module arranged in the battery pack box.

[0007] In the household energy storage battery pack provided by the utility model, the heat dissipation fire-fighting structure can also have the following characteristics: the heat dissipation fire-fighting structure includes a heat dissipation pad arranged between the battery pack box and the battery module.

[0008] The household energy storage battery pack can improve the safety of the household energy storage battery pack, effectively prewarn fire safety, effectively eliminate fire safety problems, and avoid the situation that the fire is too large to be controlled.

[0009] The household energy storage battery pack can improve the safety of the household energy storage battery pack, effectively prewarn fire safety, effectively eliminate fire safety problems, and avoid the situation that the fire is too large to be controlled.

[0010] The household energy storage battery pack can improve the safety of the household energy storage battery pack, effectively prewarn fire safety, effectively eliminate fire safety problems, and avoid the situation that the fire is too large to be controlled.

[0011] The household energy storage battery pack can improve the safety of the household energy storage battery pack, effectively prewarn fire safety, effectively eliminate fire safety problems, and avoid the situation that the fire is too large to be controlled.

[0012] The household energy storage battery pack can improve the safety of the household energy storage battery pack, effectively prewarn fire safety, effectively eliminate fire safety problems, and avoid the situation that the fire is too large to be controlled.

[0013] The household energy storage battery pack can improve the safety of the household energy storage battery pack, effectively prewarn fire safety, effectively eliminate fire safety problems, and avoid the situation that the fire is too large to be controlled. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present specification includes the following drawings, and the shown contents are respectively:

[0015] Figure 1 It is a structure schematic view of the household energy storage battery pack in the embodiment of the utility model;

[0016] Figure 2 It is a structure schematic view of the household energy storage battery pack in the embodiment of the utility model;

[0017] Figure 3 It is a structure schematic view of the household energy storage battery pack in the embodiment of the utility model;

[0018] Figure 4 It is a structure schematic view of the household energy storage battery pack in the embodiment of the utility model;

[0019] Figure 5 is the structure schematic diagram of the current collection box in the embodiment of the utility model in the direction of the bottom view.

[0020] In the figure, mark as: battery pack body -10, battery pack box -11, battery module -12, copper bar -13 connection, copper bar -13, protection plate -14, connecting socket -15, current collection box -20, connecting joint -21, heat dissipation fire fighting structure -30, heat dissipation pad -31, heat insulation pad -32, aerosol fire fighting module -33, ambient temperature detection sensor -331, battery pack temperature detection sensor -332, aerosol fire extinguisher -333, three-stage fuse -34. DETAILED DESCRIPTION

[0021] The specific embodiments of the present application are further described in detail below with reference to the drawings, and the purpose is to help the skilled in the art to have more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present application, and to help its implementation.

[0022] Figure 1 is the structure schematic diagram of the household energy storage battery pack in the embodiment of the utility model.

[0023] As Figure 1 Indicated, the household energy storage battery pack provided by the utility model includes battery pack body 10 and current collection box 20 arranged on battery pack body 10, battery pack body 10 is equipped with heat dissipation fire fighting structure 30, heat dissipation fire fighting structure 30 can improve the heat dissipation effect of battery pack body 10, can also effectively detect the internal and external ambient temperature of battery pack body 10, effectively early warning fire safety, can avoid the situation that cannot be controlled due to the fire is larger, effectively improves the safety of household energy storage battery pack.

[0024] Figure 2 is the structure schematic diagram of the battery pack body in the embodiment of the utility model; Figure 3 is the structure schematic diagram of the inside of the battery pack body in the embodiment of the utility model.

[0025] As Figure 2 Indicated, battery pack body 10 includes battery pack box 11 and battery module 12 arranged in battery pack box 11, at least two groups of battery module 12 are evenly arranged in battery pack box 11, the total positive pole and total negative pole of battery module 12 are connected through copper bar 13, copper bar 13 is connected with protection plate 14, and protection plate 14 is battery module BMS plate.

[0026] As Figure 3As shown, the heat dissipation fire-fighting structure 30 comprises heat dissipation pads 31 arranged between the battery pack box 11 and the battery modules 12 and between the battery modules 12, the heat dissipation pads 31 can effectively dissipate the heat generated by the battery modules 12 during charging and discharging, at the same time, the temperature uniformity between the battery modules 12 is improved, and the temperature difference between the battery modules 12 is avoided to be too large.

[0027] Figure 4 It is a structural schematic diagram of the aerosol fire-fighting module in the embodiment of the utility model.

[0028] As Figure 4 shown, the heat dissipation fire-fighting structure 30 further comprises an aerosol fire-fighting module 33, the aerosol fire-fighting module 33 is arranged on the inner side of the battery pack box 11, the aerosol fire-fighting module 33 comprises an ambient temperature detection sensor 331, a battery pack temperature detection sensor 332 and an aerosol fire extinguisher 333, the ambient temperature detection sensor 331 is connected with the aerosol fire extinguisher 333, the ambient temperature detection sensor 331 is connected with the battery pack box 11, and the temperature of the external environment of the household energy storage battery pack can be detected; the battery pack temperature detection sensor 332 is connected with the aerosol fire extinguisher 333, the battery pack temperature detection sensor 332 is connected with the battery module 12, and the temperature of the battery module 12 can be detected, when the detection temperature result of the ambient temperature detection sensor 331 or the battery pack temperature detection sensor 332 exceeds the temperature threshold value set by itself, the aerosol fire extinguisher 333 is started, so that the heat dissipation fire-fighting structure 30 can effectively early warning fire safety, and the situation that the fire is too large to be controlled can be avoided, and the safety of the household energy storage battery pack is effectively improved.

[0029] The heat dissipation fire-fighting structure 30 further comprises a three-section fuse 34, the three-section fuse 34 is arranged between the protection plate 14 and the connecting total positive copper bar 13, the three-section fuse 34 can still protect overcharge, overdischarge, short circuit and other related conditions in the case that the protection plate 14 fails to protect, and accidents are effectively prevented.

[0030] Figure 5 It is a structural schematic diagram of the busbar box in the direction of the bottom view in the embodiment of the utility model.

[0031] As Figure 2 and Figure 5As shown, the battery pack body 10 is provided with a connecting socket 15 on one side close to the busbar box 20, the busbar box 20 is provided with a connecting connector 21 matched with the connecting socket 15, the busbar box 20 is connected with the battery pack body 10 through the connecting connector 21, and the busbar box 20 can further ensure the safe, stable and efficient operation of the battery pack.

[0032] Effects of the embodiments

[0033] The household energy storage battery pack provided by the utility model includes a battery pack body 10 and a busbar box 20 arranged on the battery pack body 10, the battery pack body 10 is provided with a heat dissipation fire-fighting structure 30, the heat dissipation fire-fighting structure 30 can improve the heat dissipation effect of the battery pack body 10, can effectively detect the internal and external environment temperature of the battery pack body 10, can effectively give an early warning of fire-fighting safety, can avoid the situation that the fire is too large to be controlled, and effectively improves the safety of the household energy storage battery pack.

[0034] The utility model is described exemplarily above in combination with the drawings. Obviously, the specific implementation of the utility model is not limited by the above mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A residential energy storage battery pack, characterized by, The battery pack body (10) and the busbar box (20) arranged on the battery pack body (10), the battery pack body (10) is provided with a heat dissipation fire-fighting structure (30); the battery pack body (10) comprises a battery pack box (11) and a battery module (12) arranged in the battery pack box (11); the heat dissipation fire-fighting structure (30) comprises a heat dissipation pad (31), the heat dissipation pad (31) is arranged between the battery pack box (11) and the battery module (12); the heat dissipation fire-fighting structure (30) further comprises an aerosol fire-fighting module (33), the aerosol fire-fighting module (33) is arranged on the inner side of the battery pack box (11); the aerosol fire-fighting module (33) comprises an ambient temperature detection sensor (331), a battery pack temperature detection sensor (332) and an aerosol fire extinguisher (333), the ambient temperature detection sensor (331) is connected with the aerosol fire extinguisher (333), and the battery pack temperature detection sensor (332) is connected with the aerosol fire extinguisher (333); the heat dissipation fire-fighting structure (30) further comprises a three-section fuse (34), the total positive electrode and the total negative electrode of the battery module (12) are connected through a copper bar (13), the copper bar (13) is connected with a protection plate (14), and the three-section fuse (34) is arranged between the protection plate (14) and the total positive electrode.

2. The residential energy storage battery pack of claim 1, wherein, The battery pack body (10) is provided with a connecting socket (15) on one side close to the busbar box (20), and the busbar box (20) is provided with a connecting joint (21) matched with the connecting socket (15).

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