CN221805688U

CN221805688U - Modularized household energy storage battery system

Info

Publication number: CN221805688U
Application number: CN202420241151.5U
Authority: CN
Inventors: 俞刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-01-31
Filing date: 2024-01-31
Publication date: 2024-10-01
Anticipated expiration: 2034-01-31

Abstract

The application relates to a modularized household energy storage battery system, wherein a first connecting seat is arranged at the bottom of a first shell, a second connecting seat is arranged at the top of a first cover plate, the first connecting seat is connected with a first electrode of a battery pack, and the second connecting seat is connected with a second electrode of the battery pack; each battery box is stacked, and the first connecting seat of the battery box above the adjacent 2 battery boxes is inserted into the second connecting seat of the battery box below; the bottom of the second shell is provided with a third connecting seat; the control box is stacked on the battery box group, and the third connecting seat of the control box is inserted into the second connecting seat of the battery box adjacent to the control box; the control assembly is connected with the third connecting seat of the control box, and then the battery boxes can be disassembled and assembled in a stacking sequence, the volume of each battery box is small, the battery boxes are convenient to transport, the battery boxes are convenient to stack and disassemble, the tightness is good, the external terminals are not exposed, misplug, external short circuit and the like are avoided, the occupied space is small, and the installation is firm.

Description

Modularized household energy storage battery system

Technical Field

The application relates to the technical field of energy storage batteries, in particular to a modularized household energy storage battery system

Background

With the rapid development of electric vehicles and photovoltaic systems, the photovoltaic systems are installed and used in families more and more widely nowadays, redundant energy is stored in an energy storage battery system through the photovoltaic systems, and loads are supplied with power by an energy storage battery system pool at night or when illumination is insufficient, so that electricity cost can be remarkably reduced. At present, the capacity of the energy storage battery system is relatively large, and the energy storage battery system gradually adopts a modularized design for convenience of installation and transportation.

In the existing household energy storage battery system, when the battery boxes are connected in parallel, the power harness terminal and the communication harness terminal are exposed outside, so that misplug, external short circuit and the like are easily caused; for a wall-mounted household energy storage battery system, the requirement on the bearing capacity of a wall is high, and particularly, a plurality of battery boxes are connected in parallel, so that the wall is at risk of collapse; for a household energy storage battery system installed in a floor mode, the occupied space is large, and household use is not facilitated.

Disclosure of utility model

Based on this, it is necessary to provide a modular household energy storage battery system which can stack and disassemble the battery boxes conveniently, has no stacking sequence of the battery boxes, has good tightness, has no exposed external terminals, occupies small space and is firmly installed, aiming at the problems existing in the existing household energy storage battery system.

In a first aspect, the present application provides a modular home energy storage battery system comprising:

The battery box group comprises a plurality of battery boxes, and each battery box comprises a first shell, a first cover plate and a battery group; the first shell is provided with a first opening, the first cover plate is covered on the first opening, the first cover plate and the first shell are enclosed to form a first accommodating cavity, and the battery pack is arranged in the first accommodating cavity; the bottom of the first shell is provided with a first connecting seat, the top of the first cover plate is provided with a second connecting seat, the first connecting seat is connected with a first electrode of the battery pack, and the second connecting seat is connected with a second electrode of the battery pack; each battery box is stacked, and the first connecting seat of the battery box above the adjacent 2 battery boxes is inserted into the second connecting seat of the battery box below;

The control box comprises a second shell, a second cover plate and a control assembly, the second shell is provided with a second opening, the second cover plate is covered on the second opening, the second cover plate and the second shell are enclosed to form a second accommodating cavity, and the control assembly is arranged in the second accommodating cavity; the bottom of the second shell is provided with a third connecting seat; the control box is stacked on the battery box group, and the third connecting seat of the control box is inserted into the second connecting seat of the battery box adjacent to the control box; the control assembly is connected with a third connecting seat of the control box.

In one embodiment, the battery compartment further includes a handle assembly disposed on top of the first housing.

In one embodiment, the battery pack comprises a plurality of battery modules and a plurality of separators; each battery module interval sets up, and each baffle one-to-one sets up in the bottom of each battery module.

In one embodiment, the battery box further comprises a battery sampling plate, wherein the battery sampling plate is arranged on the side face of the battery pack, and the battery sampling plate is respectively connected with the first connecting seat and the second connecting seat of the same battery box.

In one embodiment, the control box further comprises an external terminal set and a first protective shell;

the second shell is also provided with a third opening, the first end of the external terminal group is connected with the control assembly, the second end of the external terminal group is exposed along the third opening, and the second end of the external terminal group is used for connecting a load; the first protective shell cover is arranged at the third opening.

In one embodiment, the control assembly includes a first switch, a power control board, and a hall module;

The first end of the first switch is connected with the third connecting seat of the control box, the second end of the first switch is connected with the first end of the Hall module, the second end of the Hall module is connected with the first end of the power control board, and the second end of the power control board is connected with the external terminal group.

In one embodiment, the control assembly further comprises a BMS control board, a power board, and an insulation monitoring board;

the third connecting seat of control box is connected to the first end of power strip, and BMS control panel and insulating monitoring board are connected respectively to the second end of power strip, and insulating pick-up board is connected to the BMS control panel, and external terminal group is connected to the BMS control panel.

In one embodiment, the control box further comprises a second protective shell;

The second shell is also provided with a fourth opening, the first switch is positioned at the third opening, and the second protective shell cover is arranged at the fourth opening.

In one embodiment, the control box further comprises a display screen and a key module, the second shell is further provided with a first mounting port and a second mounting port, the display screen is arranged at the first mounting port, and the key module is arranged at the second mounting port; the display screen and the key module are respectively connected with the control assembly.

In one embodiment, the modular home energy storage battery system further comprises a base and a set of fixation plates; the base is arranged at the bottom of the battery box group so as to support the battery box group;

the fixed plate group comprises a plurality of fixed plates; the control box is provided with the fixed plate, and at least one battery box in the battery box group is provided with the fixed plate.

One of the above technical solutions has the following advantages and beneficial effects:

The modularized household energy storage battery system comprises a battery box group and a control box, wherein the battery box group comprises a plurality of battery boxes, and each battery box comprises a first shell, a first cover plate and a battery pack; the first shell is provided with a first opening, the first cover plate is covered on the first opening, the first cover plate and the first shell are enclosed to form a first accommodating cavity, and the battery pack is arranged in the first accommodating cavity; the bottom of the first shell is provided with a first connecting seat, the top of the first cover plate is provided with a second connecting seat, the first connecting seat is connected with a first electrode of the battery pack, and the second connecting seat is connected with a second electrode of the battery pack; each battery box is stacked, and the first connecting seat of the battery box above the adjacent 2 battery boxes is inserted into the second connecting seat of the battery box below; the control box comprises a second shell, a second cover plate and a control assembly, the second shell is provided with a second opening, the second cover plate is covered on the second opening, the second cover plate and the second shell are enclosed to form a second accommodating cavity, and the control assembly is arranged in the second accommodating cavity; the bottom of the second shell is provided with a third connecting seat; the control box is stacked on the battery box group, and the third connecting seat of the control box is inserted into the second connecting seat of the battery box adjacent to the control box; the control assembly is connected with a third connecting seat of the control box to realize modularized assembly of the battery box. According to the application, the first connecting seat and the second connecting seat are arranged on the battery box, the third connecting seat is arranged on the control box, the first connecting seat of the battery box above the adjacent 2 battery boxes is inserted into the second connecting seat of the battery box below, and the third connecting seat of the control box is inserted into the second connecting seat of the battery box adjacent to the control box, so that the battery boxes can be disassembled and assembled without stacking sequence, the stacking sequence of the battery boxes can be arbitrarily reversed, the use is convenient, the volume of each battery box is smaller, the transportation is convenient, the battery boxes are stacked and disassembled conveniently, the tightness is good, the external terminals are not exposed, the occurrence of misplacement, external short circuit and the like is avoided, the occupied space is small, and the installation is firm.

Drawings

FIG. 1 is a first schematic diagram of a modular home energy storage battery system in one embodiment;

FIG. 2 is an exploded view of a battery compartment in one embodiment;

FIG. 3 is an exploded view of the control box of one embodiment;

Fig. 4 is a schematic structural view of a base in one embodiment.

Reference numerals:

100. A battery box; 110. a first housing; 120. a first cover plate; 132. a battery module; 134. a partition plate; 140. a first connection base; 150. a second connecting seat; 160. a handle assembly; 170. a battery sampling plate; 20. a control box; 210. a second housing; 220. a second cover plate; 232. a first switch; 234. a power control board; 236. a Hall module; 238. BMS control panel; 242. a power panel; 244. an insulation monitoring board; 250. a third connecting seat; 260. an external terminal group; 270. a first protective case; 280. a second protective case; 290. a display screen; 292. a key module; 30. a base; 410. and a fixing plate.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

In one embodiment, as shown in fig. 1, a modular home energy storage battery system is provided, comprising a battery box stack and a control box 20. The battery box group comprises a plurality of battery boxes 100, wherein the battery boxes 100 comprise a first shell 110, a first cover plate 120 and a battery group; the first casing 110 is provided with a first opening, the first cover plate 120 is covered on the first opening, the first cover plate 120 and the first casing 110 are enclosed to form a first accommodating cavity, and the battery pack is arranged in the first accommodating cavity; the bottom of the first housing 110 is provided with a first connection seat 140, the top of the first cover plate 120 is provided with a second connection seat 150, the first connection seat 140 is connected with a first electrode of the battery pack, and the second connection seat 150 is connected with a second electrode of the battery pack; each battery box 100 is stacked, and the first connecting seat 140 of the battery box 100 above the adjacent 2 battery boxes 100 is inserted into the second connecting seat 150 of the battery box 100 below; the control box 20 comprises a second shell 210, a second cover plate 220 and a control assembly, the second shell 210 is provided with a second opening, the second cover plate 220 is covered on the second opening, the second cover plate 220 and the second shell 210 are enclosed to form a second accommodating cavity, and the control assembly is arranged in the second accommodating cavity; the bottom of the second housing 210 is provided with a third connection seat 250; the control box 20 is stacked on the battery box group, and the third connecting seat 250 of the control box 20 is spliced with the second connecting seat 150 of the battery box 100 adjacent to the control box 20; the control assembly is connected to the third connection seat 250 of the control box 20.

The battery box group may be composed of a plurality of battery boxes, and the shape and the size of each battery box 100 are the same. For example, the battery case 100 may have a square structure. The battery box 100 may include a first housing 110 and a first cover plate 120, where a first opening is provided at a top of the first housing 110, and the first cover plate 120 may be sealed and disposed at the first opening of the first housing 110, so that a first accommodating cavity is formed between the first housing 110 and the first cover plate 120. For example, the first cover 120 may be disposed in the first opening by a clamping or screwing manner. The battery pack is disposed in the first accommodating cavity, and the battery pack may include a plurality of battery modules 132, and each battery module 132 is connected in series. The battery module 132 may include a plurality of unit cells, and each unit cell in the same battery module 132 may be connected in series and/or parallel.

The bottom of the first housing 110 may be in a concave structure, so that a concave cavity is formed at the bottom of the first housing 110, the first connecting seat 140 is disposed at the bottom of the first housing 110, the first connecting seat 140 is located in the concave cavity, and the first connecting seat 140 is an electrical connecting seat. The second connecting base 150 is disposed at the top of the first housing 110, the second connecting base 150 is an electrical connecting base, and the second connecting base 150 is used for being plugged with the first connecting base 140 of the other battery case 100. Illustratively, the first connection mount 140 includes a first positive terminal and a first negative terminal, and the second connection mount 150 includes a second positive terminal and a second negative terminal.

The first electrode of the battery pack may be a positive electrode, the second electrode of the battery pack may be a negative electrode, for example, the positive electrode of the battery pack is connected to the second positive electrode of the second connection holder 150 in the same battery box 100, the negative electrode of the battery pack is connected to the first positive electrode of the first connection holder 140 in the same battery box 100, the first negative electrode of the first connection holder 140 in the same battery box 100 is connected to the second negative electrode of the second connection holder 150, the first connection holder 140 of the battery box 100 is connected to the second connection holder 150 adjacent to the battery box 100, the second connection holder 150 of the battery box 100 is connected to the first connection holder 140 adjacent to the battery box 100, and the first connection holder 140 of the battery box 100 above in the adjacent 2 battery boxes 100 is plugged to the second connection holder 150 of the battery box 100 below, thereby enabling the assembly of the battery boxes 100 in a stacking-free order.

The control box 20 refers to a high-voltage control box 20, and the shape and size of the control box 20 are the same as those of the battery box 100. The control box 20 may include a second housing 210 and a second cover 220, where a second opening is disposed at the top of the second housing 210, and the second cover 220 may be sealed and disposed at the second opening of the second housing 210, so that a second accommodating cavity is formed between the second housing 210 and the second cover 220. For example, the second cover 220 may be disposed in the second opening by a clamping or screwing manner. The control assembly is arranged in the second accommodating cavity, can be used for monitoring the electric signal of the battery box group, and can also be used for controlling the transmission of the electric signal of the battery box group.

The bottom of the second housing 210 may be in a concave structure, so that a concave cavity is formed at the bottom of the second housing 210, the third connecting seat 250 is disposed in the concave cavity, and the third connecting seat 250 is an electrical connecting seat. The third connecting seat 250 is used for plugging the second connecting seat 150 of the adjacent battery box 100. The third connection base 250 includes a third positive terminal and a third negative terminal, the control component is electrically connected to the third connection base 250 of the control box 20, the third positive terminal of the third connection base 250 is connected to the second positive terminal of the second connection base 150 of the corresponding battery box 100, and the third negative terminal of the third connection base 250 is connected to the second negative terminal of the second connection base 150 of the corresponding battery box 100.

In actual assembly, each battery box 100 may be stacked and assembled, and then the third connection seat 250 of the control box 20 is inserted into the second connection seat 150 of the battery box 100 adjacent to the control box 20, so that the control box 20 is located at the top of the battery box group, and further monitoring of the whole battery box group can be achieved.

In the above embodiment, the battery box group includes a plurality of battery boxes 100, and the battery boxes 100 include a first housing 110, a first cover plate 120, and a battery pack; the first casing 110 is provided with a first opening, the first cover plate 120 is covered on the first opening, the first cover plate 120 and the first casing 110 are enclosed to form a first accommodating cavity, and the battery pack is arranged in the first accommodating cavity; the bottom of the first housing 110 is provided with a first connection seat 140, the top of the first cover plate 120 is provided with a second connection seat 150, the first connection seat 140 is connected with a first electrode of the battery pack, and the second connection seat 150 is connected with a second electrode of the battery pack; each battery box 100 is stacked, and the first connecting seat 140 of the battery box 100 above the adjacent 2 battery boxes 100 is inserted into the second connecting seat 150 of the battery box 100 below; the control box 20 comprises a second shell 210, a second cover plate 220 and a control assembly, the second shell 210 is provided with a second opening, the second cover plate 220 is covered on the second opening, the second cover plate 220 and the second shell 210 are enclosed to form a second accommodating cavity, and the control assembly is arranged in the second accommodating cavity; the bottom of the second housing 210 is provided with a third connection seat 250; the control box 20 is stacked on the battery box group, and the third connecting seat 250 of the control box 20 is spliced with the second connecting seat 150 of the battery box 100 adjacent to the control box 20; the control assembly is connected to the third connection holder 250 of the control box 20 to realize modular assembly of the battery box 100. According to the application, the first connecting seat 140 and the second connecting seat 150 are arranged on the battery box 100, the third connecting seat 250 is arranged on the control box 20, the first connecting seat 140 of the battery box 100 above 2 adjacent battery boxes 100 is inserted into the second connecting seat 150 of the battery box 100 below, the third connecting seat 250 of the control box 20 is inserted into the second connecting seat 150 of the battery box 100 adjacent to the control box 20, so that the battery boxes 100 can be disassembled and assembled in a stacking order, the stacking order of the battery boxes 100 can be arbitrarily reversed, the use is convenient, the volume of each battery box 100 is small, the transportation is convenient, the battery boxes 100 can be stacked and disassembled conveniently, the sealing performance is good, the external terminals are not exposed, the misplug, the external short circuit and the like are avoided, the occupied space is small, and the installation is firm.

In one embodiment, the battery case 100 further includes a handle assembly 160, and the handle assembly 160 is disposed on top of the first housing 110.

The handle assembly 160 may include a first handle disposed on a first side of the top of the first housing 110 and a second handle disposed on a second side of the top of the housing. By way of example, the first handle and the second handle may be disposed at the top of the first housing 110 by screwing or welding, and the above battery case 100 is stacked and disposed on the below battery case 100, so that the bottom of the above battery case 100 provides better protection for the top of the below battery case 100, and the handle assembly 160 disposed on the below battery case 100 is hidden, so that the disassembly is not needed, and the transportation and the installation are more convenient, and meanwhile, the top of the below battery case 100 can achieve better waterproof and dustproof effects under the condition of not increasing waterproof structures such as sealing strips.

In one embodiment, the battery pack includes a plurality of battery modules 132 and a plurality of separators 134; each battery module 132 is disposed at intervals, and each separator 134 is disposed at the bottom of each battery module 132 in a one-to-one correspondence.

For example, the battery pack may include a first battery module 132, a second battery module 132, a first separator 134 and a second separator 134, the first battery module 132 is disposed above the first separator 134, the second cover 220 is disposed above the first battery module 132, and the second battery module 132 is disposed above the second cover 220, so that the battery modules 132 and the separators 134 are disposed alternately.

The first separator 134 may be used to support and insulate the first battery module 132, and the second separator 134 may be used to support and insulate the second battery module 132. In another example, the first separator 134 and the second separator 134 may also be liquid cooling plates, that is, the first separator 134 performs a cooling and heat dissipation function on the first battery module 132, and the second separator 134 performs a cooling and heat dissipation function on the second battery module 132.

In one embodiment, the battery box 100 further includes a battery sampling plate 170, the battery sampling plate 170 is disposed at a side of the battery pack, and the battery sampling plate 170 is connected to the first connection socket 140 and the second connection socket 150 of the same battery box 100, respectively.

The battery sampling plate 170 may be mounted on a side of the battery pack by a screw connection or a clamping connection, and the battery sampling plate 170 may be used for collecting battery data of the battery pack in the same battery box 100 and transmitting the data to the control component of the control box 20 through the first connection seat 140 and the second connection seat 150 of the same battery box 100.

In one embodiment, the control box 20 further includes an external terminal set 260 and a first protective case 270; the second housing 210 is further provided with a third opening, the first end of the external terminal set 260 is connected with the control assembly, the second end of the external terminal set 260 is exposed along the third opening, and the second end of the external terminal set 260 is used for connecting a load; the first protective case 270 is disposed at the third opening.

The external terminal set 260 may include a positive external terminal, a negative external terminal, and a communication external terminal. The first side of the second housing 210 is provided with a third opening, the external terminal set 260 is located in the third opening, the first end of the external terminal set 260 is electrically connected with the control component, and the second end of the external terminal set 260 is exposed along the third opening, so that a user can conveniently plug in a load or terminal equipment on the external terminal set 260, and power supply to the load or communication connection between the proposal and the terminal equipment is realized. The first protection shell 270 may be disposed at the third opening in a screwed manner, so as to cover and protect the external terminal set 260, and effectively avoid an abnormal phenomenon caused by false touch.

In one embodiment, the control assembly includes a first switch 232, a power control board 234, and a hall module 236; the first end of the first switch 232 is connected to the third connection base 250 of the control box 20, the second end of the first switch 232 is connected to the first end of the hall module 236, the second end of the hall module 236 is connected to the first end of the power control board 234, and the second end of the power control board 234 is connected to the external terminal set 260.

Wherein the first switch 232 may be an air switch; the hall module 236 may be a hall current sensor, and the hall module 236 may be configured to detect a current signal output by the battery pack. The power control board 234 may be used to power control and over-current protection the electrical signals output by the battery pack.

Based on the first switch 232 being connected between the third connection base 250 of the control box 20 and the first end of the hall module 236, the second end of the hall module 236 being connected with the first end of the power control board 234, the second end of the power control board 234 being connected with the external terminal group 260, the external terminal group 260 being connected with a load, when the load needs to be powered on, the first switch 232 is controlled to be turned on, and then the electric signal of the battery box group is transmitted to the power control board 234 after passing through the first switch 232 and the hall module 236 in turn, the power control is performed on the received electric signal through the power control board 234, and the processed electric signal is transmitted to the load through the external terminal group 260, so that the power supply to the load is realized.

In one embodiment, the control assembly further includes a BMS control board 238, a power board 242, and an insulation monitoring board 244; the third connecting seat 250 of control box 20 is connected to the first end of power strip 242, and BMS control panel 238 and insulation monitoring board 244 are connected respectively to the second end of power strip 242, and insulation detection board is connected to BMS control panel 238, and external terminal group 260 is connected to BMS control panel 238.

The power board 242 is a direct current-to-direct current power board 242 (DC-DC power board 242), and the power board 242 can be used for converting an electrical signal output by the battery box set and outputting an electrical signal (e.g. 12V) meeting the power supply requirement of the BMS control board 238. The insulation monitoring board 244 can be used to monitor the insulation state of the battery pack to obtain insulation monitoring data. The BMS (Battery MANAGEMENT SYSTEM) control board can be used to receive the Battery information collected by the Battery sampling board 170, the current information detected by the hall module 236, and the insulation monitoring data monitored by the insulation detection board, and the BMS can also be used to control the power control board 234 to work, so as to realize the functions of power control and overcurrent protection of the Battery box group. The BMS control board 238 may also communicate with external terminals through the external terminal set 260.

In one embodiment, the control box 20 further includes a second protective housing 280; the second housing 210 is further provided with a fourth opening, the first switch 232 is located in the third opening, and the second protection housing 280 covers the fourth opening.

Wherein, the second side of the second housing 210 is provided with a fourth opening, and the first switch 232 is located in the fourth opening. The second protection shell 280 can be arranged at the fourth opening in a screwed mode, so that the first switch 232 is covered and protected, and abnormal phenomena caused by false touch can be effectively avoided.

In one embodiment, the control box 20 further includes a display screen 290 and a key module 292, the second housing 210 is further provided with a first mounting port and a second mounting port, the display screen 290 is disposed at the first mounting port, and the key module 292 is disposed at the second mounting port; the display 290 and the key module 292 are connected to the control assembly, respectively.

Wherein the display screen 290 may be an LCD screen or an LED screen. The key module 292 may be used to control the opening and closing of the control box 20.

The key module 292 is installed and arranged at the second installation port based on the installation of the display screen 290 at the first installation port; the display screen 290 is connected with the control component, the key module 292 is connected with the control component, the control component can display the detected data through the display screen 290, and a user can operate the key module 292 to control the opening and closing of the control box 20.

In one embodiment, the modular home energy storage battery system further comprises a base 30; the base 30 is disposed at the bottom of the battery pack to support the battery pack.

Wherein, through placing base 30 in the below of battery box group, and then play the fixed action to the battery box group, play the supporting role to the battery box group simultaneously. Illustratively, the base 30 is provided with roller securing openings for mounting rollers, thereby enhancing the ease of movement of the system.

In one embodiment, the modular home energy storage battery system further comprises a set of fixation plates; the fixed plate group comprises a plurality of fixed plates 410; the control box 20 is provided with a fixing plate 410, and at least one battery box 100 of the battery box group is provided with a fixing plate 410.

For example, the side surface of the control box 20 is provided with a fixing plate 410, and the side surface of each battery box 100 is provided with a fixing plate 410, so that the control box 20 and each battery box 100 can be fixedly arranged on a supporting body (such as a wall or a bracket) through bolts, thereby playing a role in stabilizing.

It should be noted that the modular home energy storage battery system may also include components such as a bracket, and a particular modular home energy storage battery system may include more components than those described in the above embodiments, or may combine certain components, or may have a different arrangement of components.

The technical features of the above embodiments may be arbitrarily combined, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be regarded as the scope of the data carrier of the present description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims

1. A modular home energy storage battery system, comprising:

the battery box group comprises a plurality of battery boxes, wherein each battery box comprises a first shell, a first cover plate and a battery group; the first shell is provided with a first opening, the first cover plate is covered on the first opening, a first accommodating cavity is formed by enclosing the first cover plate and the first shell, and the battery pack is arranged in the first accommodating cavity; the bottom of the first shell is provided with a first connecting seat, the top of the first cover plate is provided with a second connecting seat, the first connecting seat is connected with a first electrode of the battery pack, and the second connecting seat is connected with a second electrode of the battery pack; the battery boxes are stacked, and the first connecting seats of the battery boxes above the adjacent 2 battery boxes are inserted into the second connecting seats of the battery boxes below the battery boxes;

The control box comprises a second shell, a second cover plate and a control assembly, wherein the second shell is provided with a second opening, the second cover plate covers the second opening, the second cover plate and the second shell are enclosed to form a second accommodating cavity, and the control assembly is arranged in the second accommodating cavity; a third connecting seat is arranged at the bottom of the second shell; the control box is stacked on the battery box group, and the third connecting seat of the control box is inserted into the second connecting seat of the battery box adjacent to the control box; the control assembly is connected with a third connecting seat of the control box.

2. The modular home energy storage battery system of claim 1, wherein the battery compartment further comprises a handle assembly disposed on top of the first housing.

3. The modular home energy storage battery system of claim 1, wherein the battery pack comprises a plurality of battery modules and a plurality of separators; each battery module is arranged at intervals, and each separator is arranged at the bottom of each battery module in a one-to-one correspondence manner.

4. A modular home energy storage battery system as in claim 3, wherein the battery box further comprises a battery sampling plate disposed on a side of the battery pack, the battery sampling plate being connected to the first and second connection bases of the same battery box, respectively.

5. The modular home energy storage battery system of claim 1, wherein the control box further comprises an external terminal set and a first protective housing;

The second shell is further provided with a third opening, the first end of the external terminal group is connected with the control assembly, the second end of the external terminal group is exposed along the third opening, and the second end of the external terminal group is used for being connected with a load; the first protection shell cover is arranged at the third opening.

6. The modular home energy storage battery system of claim 5, wherein the control assembly comprises a first switch, a power control board, and a hall module;

7. The modular home energy storage battery system of claim 6, wherein the control assembly further comprises a BMS control board, a power board, and an insulation monitor board;

The first end of power strip is connected the third connecting seat of control box, the second end of power strip is connected respectively the BMS control panel with insulating monitoring board, the BMS control panel is connected external terminal group.

8. The modular home energy storage battery system of claim 6, wherein the control box further comprises a second protective housing;

The second shell is further provided with a fourth opening, the first switch is located in the third opening, and the second protection shell cover is arranged in the fourth opening.

9. The modular home energy storage battery system of any one of claims 1 to 8, wherein the control box further comprises a display screen and a key module, the second housing further provided with a first mounting port and a second mounting port, the display screen is disposed at the first mounting port, and the key module is disposed at the second mounting port; the display screen and the key module are respectively connected with the control assembly.

10. The modular home energy storage battery system of claim 9, further comprising a base and a set of securing plates; the base is arranged at the bottom of the battery box group so as to support the battery box group;

The fixed plate group comprises a plurality of fixed plates; the control box is provided with the fixed plate, at least one of the battery boxes in the battery box group is provided with the fixed plate.