CN210956825U - Household energy storage device - Google Patents

Abstract

The utility model relates to a household energy storage device, which comprises a plurality of energy storage battery modules, the plurality of energy storage battery modules are arranged to form an energy storage whole, and the energy storage whole forms two panel mounting end faces, any one of which is installed on a panel. The end faces are provided with adapter plates, wherein the terminals of the adapter plate are electrically connected with the positive and negative electrodes of the energy storage battery module, and the adapter plate is also integrated with a series line, and the series connection in the two adapter plates The energy storage battery modules are connected in series; alternatively, the terminals in the adapter plate are electrically connected to the positive and negative electrodes of the energy storage battery modules, and the adapter plate is also integrated with a parallel line, and the two adapter plates are internally connected. The parallel line connects the energy storage battery modules in parallel. The household energy storage device only needs to replace different types of adapter boards to facilitate the conversion between the series mode and the parallel mode of the energy storage battery modules in the household energy storage device, which greatly improves the versatility of household energy storage batteries. performance and installation flexibility.

Description

A household energy storage device

technical field

The utility model relates to the technical field of design and production of household energy storage devices, in particular to a household energy storage device.

Background technique

With the gradual maturity of emerging energy technologies such as solar energy and wind energy, household small power stations have become the choice of more and more families. Household energy storage devices, as an important part of household small power stations, are responsible for the surplus of electric energy The function of storing electric energy when there is a gap in the electric energy, and releasing the electric energy when there is a gap in the electric energy.

Household energy storage devices include multiple energy storage battery modules. Different customers have different requirements for the performance of household energy storage devices. Some users' energy storage devices need to be used in conjunction with high-voltage energy storage converters. The energy storage battery modules are connected in series to achieve the required voltage value; some users' energy storage devices need to be used in conjunction with low-voltage and high-current energy storage converters. At this time, the energy storage battery modules need to be connected in parallel to achieve all required current value.

For the different needs of users, it is necessary to connect multiple energy storage battery modules in a household energy storage device in series or in parallel. In parallel, the energy storage battery module has many sockets and plugs. The additional wiring harness is not only expensive, but also makes the wiring harness in the household energy storage device very messy and complicated, which is not conducive to the maintenance of the household energy storage device; There is also the risk of wrong wiring connection in the way of additionally setting up wiring harnesses for series-parallel connection of energy storage battery modules, which makes household energy storage devices unusable.

Therefore, how to conveniently and quickly realize the series and parallel connection of the energy storage battery modules and at the same time effectively simplify the circuit in the household energy storage device is a technical problem that those skilled in the art urgently need to solve.

Utility model content

The purpose of the utility model is to provide a household energy storage device, so that the series and parallel connection of battery modules can be realized quickly and conveniently, and at the same time, the circuit in the household energy storage device can be effectively simplified.

In order to achieve the above purpose, the first household energy storage device provided by the present invention includes a plurality of energy storage battery modules, and a plurality of the energy storage battery modules are arranged to form an energy storage whole, and the energy storage whole forms two parts. Each panel mounting end face is provided with an adapter plate on any one of the panel mounting end faces, wherein,

The positive electrode and the negative electrode of any one of the energy storage battery modules are located in different mounting end faces of the board, and the adapter plate has terminals, and the terminals are connected to the storage terminals located in the mounting end faces of the board. The positive electrode and the negative electrode of the energy storage battery module are electrically connected, and a series line is also integrated in the adapter plate, and the series lines in the two adapter plates connect the energy storage battery module in series;

Alternatively, the positive electrode and the negative electrode of any one of the energy storage battery modules are respectively located in different mounting end faces of the board, and the adapter plate is provided with a terminal, and the terminal is located in the mounting end of the board. The positive and negative electrodes of the energy storage battery modules are electrically connected, and the adapter plate is also integrated with a parallel line, and the parallel lines in the two adapter plates connect the energy storage battery modules in parallel.

Preferably, the terminal is a connection port corresponding to the positive electrode and the negative electrode of the battery module;

Alternatively, the positive electrode and the negative electrode of the battery module are plug connectors, and the terminal is a plug slot adapted to the plug connector.

Preferably, when the terminal is a connection port, the series wire and the parallel wire are copper wires; when the terminal is a socket, the series wire and the parallel wire are copper bars.

Preferably, the positive electrode and the negative electrode of the energy storage battery module are respectively located at both ends in the length direction of the energy storage battery module; the household energy storage device further comprises a casing for accommodating the energy storage battery module, The casing includes a casing body and an end plate, two ends of the casing body in the longitudinal direction are battery inlets for the battery module to be installed, and the adapter plate is embedded in the battery inlet and arranged on the plate member On the installation end surface, the end plate is used for pressing the adapter plate and closing the battery inlet.

Preferably, the energy storage battery module is further provided with a battery communication port, the adapter plate is further provided with a battery communication connection terminal for connecting with the battery communication port, and the housing body is also provided with a battery communication port for connecting with the battery communication port. A controller assembly that controls the entire energy storage, the controller assembly is provided with an external power supply interface, an internal communication port of the controller, and an external communication interface of the controller, and the adapter plate is provided with an interface for communicating with the controller A controller communication connection terminal connected to the internal communication port of the controller, the controller communication connection terminal is connected to each of the battery communication connection terminals, and the end plate is provided with a power supply interface with the controller and external communication with the controller The window corresponding to the interface.

Preferably, the window is a boss that protrudes toward the controller assembly and is used to abut against the end face of the controller assembly, and a first sealing strip is arranged around the boss; The adapter plate is provided with a positioning seat protruding toward the adapter plate at a corresponding position, an insulating sheet is arranged on the positioning seat, and a second sealing strip is also arranged around the circumference of the end plate.

Preferably, a support rib for separating and supporting the energy storage battery module and the controller assembly is further provided in the inner cavity of the housing body, and the adapter plate corresponds to the position of the support rib. A rib escape opening is also provided.

Preferably, at least one of the adapter boards is further integrated with a controller assembly that is communicatively connected to each of the energy storage battery modules, and the controller assembly is provided with an external power supply interface and an external communication interface of the controller.

Preferably, the energy storage battery module includes:

A battery case with an opening at the top;

a thermal insulation cotton built into the bottom of the battery case;

a plurality of battery cells built in the casing and located on the upper part of the insulation cotton;

an integrated top plate covering the top of the battery cell, the integrated top plate connects a plurality of the battery cells in series or in parallel;

An insulating upper cover installed on the top of the battery case and covering the integrated top plate.

Preferably, the battery case is further provided with a handle to facilitate the handling of the energy storage battery module, and thermally conductive silica gel is also filled between the battery case and the shell body.

The second type of household energy storage device provided in the present invention includes a plurality of energy storage battery modules, the plurality of energy storage battery modules are arranged to form an energy storage whole, and the energy storage whole forms a panel mounting end face , an adapter plate is provided on the mounting end face of the plate, wherein,

The positive electrode and the negative electrode of any one of the energy storage battery modules are located in the installation end face of the board, and the adapter plate is provided with a terminal, and the terminal is connected to the energy storage battery module located in the installation end face. The positive and negative electrodes are electrically connected;

The adapter plate is also integrated with a series line, and the energy storage battery module is connected in series through the series line, or the adapter plate is also integrated with a parallel line, and the energy storage battery module is connected by the row of the energy storage battery module. Parallel lines are connected in parallel.

Preferably, the adapter board is further integrated with a controller assembly that is communicatively connected to each of the energy storage battery modules, and the controller assembly is provided with an external power supply interface and an external communication interface of the controller.

In the first type of household energy storage device, the positive and negative electrodes of all energy storage battery modules are located in the two panel mounting end faces formed by the entire energy storage unit, and each panel mounting end face is provided with an adapter plate , If the household energy storage device needs to be equipped with a high-voltage energy storage converter, an adapter board with a series line integrated inside is used, and the energy storage battery modules are placed in a series mode. The energy storage battery modules are connected in series; if the household energy storage device needs to be equipped with a low-voltage energy storage converter, an adapter board with an internal parallel connection is used, and the energy storage battery modules are placed in parallel mode. The parallel lines in the two adapter boards connect the energy storage battery modules in parallel.

In the second type of household energy storage device, the positive and negative electrodes of all energy storage battery modules are located in a panel mounting end surface formed by the energy storage whole, and an adapter plate is provided on the panel mounting end surface. When the energy storage device needs to be equipped with a high-voltage energy storage converter, an adapter board with a series line integrated inside is used, and the energy storage battery modules are connected in series through the series line in the adapter board; if the household energy storage device needs to be configured In the case of low-voltage energy storage converters, an adapter board with integrated parallel lines is used, and the energy storage battery modules are connected in parallel through the parallel lines in the adapter board.

It can be seen that the household energy storage device disclosed in the present utility model integrates the series line and the parallel line on the adapter board, which can effectively simplify the circuit structure inside the household energy storage device and improve the performance of the household energy storage device. The convenience of installation and maintenance; at the same time, according to the different use requirements of users, it is convenient to realize the conversion between series mode and parallel mode of the energy storage battery module in the household energy storage device only by replacing different types of adapter plates. The versatility and installation flexibility of household energy storage batteries are greatly improved.

Description of drawings

1 is a schematic diagram of the overall structure of the household energy storage device disclosed in the first embodiment of the present utility model;

Fig. 2 is the front view structure schematic diagram of Fig. 1;

Fig. 3 is the left side structure schematic diagram of Fig. 2;

Fig. 4 is the right side structure schematic diagram of Fig. 3;

5 is a schematic diagram of an explosion structure of the household energy storage device disclosed in FIG. 1;

6 is a schematic diagram of an explosion structure of the household energy storage device disclosed in the second embodiment;

7 is a schematic structural diagram of the housing body disclosed in the first embodiment;

8 is a schematic diagram of an explosion structure of the energy storage battery module disclosed in the first embodiment;

9 is a schematic diagram of an explosion structure of the energy storage battery module disclosed in the second embodiment;

FIG. 10 is a schematic structural diagram of one end of the controller assembly disclosed in the first embodiment;

FIG. 11 is a schematic structural diagram of the other end of the controller assembly disclosed in FIG. 10;

12 is a schematic structural diagram of the inner side of the adapter plate disclosed in the first embodiment;

13 is a schematic structural diagram of the outer side of the adapter plate disclosed in the first embodiment;

14 is a schematic structural diagram of the outer side of the adapter plate disclosed in the second embodiment;

15 is a schematic structural diagram of the inner side of the adapter plate disclosed in the second embodiment;

16 is a schematic structural diagram of the inner side of the end plate disclosed in the first embodiment;

Figure 17 is a schematic structural diagram of the outer side of the end plate disclosed in Figure 16;

FIG. 18 is a schematic diagram of the connection principle of one end of the overall positive electrode of the energy storage unit connected in series;

FIG. 19 is a schematic diagram of the connection principle of one end of the overall negative electrode of the energy storage unit connected in series;

Figure 20 is a schematic diagram of the principle of series connection of energy storage battery modules;

FIG. 21 is a schematic diagram of the connection principle of one end of the positive electrode of the whole energy storage unit connected in parallel;

Figure 22 is a schematic diagram of the connection principle of one end of the negative electrode of the energy storage integrated in parallel;

FIG. 23 is a schematic diagram of the parallel connection principle of energy storage battery modules;

24 is a schematic diagram of the overall structure of the household energy storage device disclosed in the third embodiment;

Figure 25 is a schematic structural diagram of the adapter plate assembly shown in Figure 24;

26 is a schematic structural diagram of an energy storage battery module in an evolved embodiment of the first embodiment;

FIG. 27 is a schematic diagram of the explosion structure of the energy storage device in the modified embodiment of the first embodiment.

Among them, 1 is the shell body, 2 is the end plate, 3 is the window, 4 is the indicator port, 5 is the adapter plate, 6 is the energy storage battery module, 7 is the controller assembly, 8 is the support rib, and 9 is the Base, 10 is the upper cover, 11 is the integrated board, 12 is the connection row, 13 is the collection interface, 14 is the integrated top plate, 15 is the battery cell, 16 is the thermal insulation cotton, 17 is the battery shell, 18 is the handle, 19 is the plug connector, 20 is the external communication interface of the controller, 21 is the circuit breaker, 22 is the indicator light, 23 is the internal strong current interface of the controller, 24 is the external power supply interface, 25 is the internal communication port of the controller, and 26 is the battery communication port Connection end, 27 is the wiring port, 28 is the controller communication connection end, 29 is the controller strong electric connection end, 30 is the rib escape port, 31 is the insertion slot, 32 is the copper bar, 33 is the boss, 34 is the The positioning seat, 35 is the second sealing strip, 36 is the countersunk hole, and 37 is the adapter plate assembly.

Detailed ways

One of the cores of the utility model is to provide a household energy storage device, so that the series and parallel connection of battery modules can be realized quickly and conveniently, and at the same time, the lines in the household energy storage device can be effectively simplified.

The household energy storage device disclosed in this case will be specifically introduced below through three embodiments.

First embodiment:

Please refer to Fig. 1-Fig. 5, Fig. 7-Fig. 8, Fig. 10-Fig. 13, Fig. 20 and Fig. 23, the household energy storage device disclosed in the present invention includes a plurality of energy storage battery modules 6, a plurality of The energy storage modules are arranged to form an energy storage whole, and the energy storage whole forms two panel mounting end faces, and an adapter plate 5 is provided on any of the panel mounting end faces;

For the case where the household energy storage device needs to match the high-voltage energy storage converter, multiple energy storage battery modules 6 need to be connected in series. Please refer to Figure 5 and Figure 18 to Figure 20 for understanding. The positive and negative electrodes of the group 6 are respectively located in different panel mounting end faces. As a preferred method, the positive electrodes of two adjacent energy storage battery modules 6 are not in the same panel mounting end face. Correspondingly, the adjacent two The negative poles of each energy storage battery module 6 are also not in the same panel installation end face. As shown in Figures 18 to 20, in each plate installation end face, the positive and negative electrodes of the energy storage battery modules 6 appear alternately. , the adapter plate 5 set on the installation end face has terminals, and the terminals are electrically connected to the positive and negative poles of the energy storage battery module 6 located in the installation end face of the board, and the adapter plate 5 also integrates a series connection. The series line in the two adapter plates 5 connects the energy storage battery modules 6 in series. The series line in Figure 20 is only a schematic series line in principle. In fact, the series line should be integrated in the adapter plate 5;

For household energy storage batteries that need to be matched with low-voltage and high-current energy storage converters, multiple energy storage battery modules 6 need to be connected in parallel. The positive poles and negative poles of the battery modules 6 are respectively located in different plate mounting end faces, and the positive poles of all the energy storage battery modules 6 are located in the same plate mounting end surface. Correspondingly, the negative poles of all the energy storage battery modules 6 are also All of them are located in the installation end face of another board, as shown in Figure 21 to Figure 23, the adapter plate 5 set on the installation end face has terminals, and the terminals are connected to the energy storage battery module located in the installation end face of the board. The positive and negative electrodes of the group 6 are electrically connected, and a parallel line is also integrated in the adapter plate 5. The parallel lines in the two adapter plates 5 connect the energy storage battery modules 6 in parallel. The parallel line in Figure 23 is only for the principle. Schematic parallel lines, in practice the parallel lines should be integrated in the adapter plate 5 .

The household energy storage device disclosed in the above embodiment integrates the series line and the parallel line on the adapter plate 5, which can effectively simplify the circuit structure inside the household energy storage device and improve the installation and efficiency of the household energy storage device. The convenience of maintenance; at the same time, according to the different use requirements of users, it is only necessary to replace different types of adapter plates 5 to easily realize the conversion between the series mode and the parallel mode of the energy storage battery module 6 in the household energy storage device, which greatly improves the The versatility and installation flexibility of household energy storage batteries are improved.

In this embodiment, the terminal is specifically the connection port 27 corresponding to the positive electrode and the negative electrode of the battery module. In this case, the connection port 27 can be connected with the positive electrode and the negative electrode of the energy storage battery module 6 through a wire. The wire is preferably As shown in FIG. 5, FIG. 12 and FIG. 13, of course, the wiring port 27 can also be directly electrically connected to the positive and negative electrodes of the energy storage battery module 6.

The positive electrode and the negative electrode of the energy storage battery module are respectively located at both ends of the energy storage battery module in the length direction. Please refer to FIG. 5 and FIG. 7 , the energy storage battery module 6 in this embodiment is in the shape of an elongated cuboid, and The positive electrode and the negative electrode of the energy storage battery module 6 are respectively located at both ends in the length direction of the energy storage battery module 6. The household energy storage device also includes a housing for accommodating the energy storage battery module 6. The housing specifically includes a housing body 1 and an end. Plate 2, as a preferred way, the casing is a flat cuboid casing, the two ends of the casing body 1 in the longitudinal direction are open ends, and the end plate 2 is provided with countersunk holes 36 for mounting with the casing body 1, these two The open end constitutes the battery inlet for the battery module installation, the adapter plate 5 is embedded in the battery inlet and is arranged on the panel mounting end face, the end plate 2 is used to press the adapter plate 5 and seal the battery inlet, and the shell body 1 It is integrally formed for aluminum profiles or formed by splicing two or more profiles.

It should be noted that the so-called slender cuboid specifically refers to the length of the cuboid being significantly greater than its width and height; the flat cuboid specifically refers to the length and height of the cuboid being significantly greater than its width, as shown in Figure 5 and Figure 7 In addition, the shape of the energy storage battery module may also be cylindrical or other shapes, and accordingly, the outer casing can be adapted according to the shape of the energy storage battery module.

In order to realize the communication of the energy storage battery module 6, the energy storage battery module 6 is also provided with a battery communication port, and the adapter board 5 is provided with a battery communication connection terminal 26 for connecting with the battery communication port. When 5 is arranged on the mounting end face of the board, the battery communication connection end 26 on the adapter plate 5 is also connected to the battery communication port, and the housing body 1 is also provided with a controller assembly 7 for controlling the overall energy storage, as shown in Figure 1 As shown in FIG. 5 , the inside of the controller assembly 7 is the system BMS used to control the overall energy storage, and the controller assembly 7 is provided with an external power supply interface 24, an internal communication port 25 of the controller, and an external communication interface of the controller. , the adapter plate 5 is also provided with a controller communication connection terminal 28 for connecting with the internal communication port 25 of the controller. As shown in Figure 13, the controller communication connection terminal 28 is connected with each battery communication connection segment, and is used for The strong current connection terminal 29 of the controller connected to the internal strong current interface 23 of the controller, in order to realize the communication connection between each battery and the controller and supply power to the controller assembly, please refer to FIG. 1 to FIG. 4, in order to expose the external The power interface 24 and the external communication interface 20 of the controller, the end plate 2 is provided with a window 3 corresponding to the power interface and the external communication interface 20 of the controller, as shown in FIGS. 16 and 17 .

In addition, the controller assembly 7 is also provided with an indicator light 22. The indicator light 22 can display information such as communication status or remaining power according to requirements. The corresponding position on the front of the housing body 1 is provided with an indicator corresponding to the indicator light 22. The lamp socket 4 and the controller assembly 7 are designed to be T-shaped. As shown in Figures 10 and 11, the external power supply interface 24 and the external communication interface 20 of the controller are respectively arranged on both sides of the upper end of the T-shaped controller assembly 7. The internal strong current interface 23 of the controller for supplying power to the controller assembly 7 is set on one side of the lower end of the T-shaped controller assembly 7, and the internal communication port 25 of the controller for communicating with each energy storage battery module 6 is set. On the other side of the lower end of the T-shaped controller assembly 7 and the side of the upper end of the T-shaped controller assembly 7 is also provided with a circuit breaker 21, the circuit breaker 21 is exposed from the window 3 provided on the end plate 2, When maintenance is required, the connection between the household energy storage device and the external circuit can be disconnected through the circuit breaker 21 to ensure safety.

Please refer to FIG. 8 , the energy storage battery module 6 specifically includes a battery case 17 , heat insulation cotton 16 , a plurality of battery cells 15 , an integrated top plate 14 and an upper cover 10 , the top of the battery case 17 is open, and the battery case The material of 17 can be made of aluminum-zinc plate or aluminum plate. The thermal runaway spread of the battery cell 15 improves the safety of the energy storage battery module 6. The integrated top plate 14 includes an integrated board 11, a connection row 12 and a collection interface 13. The integrated board 11 connects a plurality of battery cells 15 in series or In parallel, it becomes a whole. According to needs, the integrated top plate 14 can also be integrated with a module BMS, so as to realize the intelligent management of a single energy storage battery module 6. The signal line of each module BMS is connected to the energy storage battery module 6. connected to the battery communication port, and then realize the signal connection between each module BMS and the controller assembly 7 through the adapter board 5; of course, the module BMS may not be integrated on the integrated top plate 14, and the module BMS can be externally placed in the energy storage The battery module 6 is then connected to the collection port through a signal line.

Further, in order to ensure that the heat in the household energy storage device can be dissipated in time, thermally conductive silica gel is also filled between the battery shell 17 and the shell body 1 . Fitting, which can ensure that the energy storage battery module 6 has excellent heat dissipation performance and prolong the service life.

The two ends of the battery case 17 can also be provided with handles 18 to facilitate the handling of the energy storage battery module 6 . The actual number of the core monomers 15 and the total weight of the energy storage battery module 6 are preferably not more than 30kg, so that one-person operation can be realized during installation and maintenance.

Please refer to FIG. 16 and FIG. 17 , the end plate 2 is used for sealing and strengthening the two ends of the housing body 1 , and the window 3 of the end plate 2 is protruded toward the controller assembly 7 and used to abut against the upper end surface of the controller assembly 7 . The boss 33, according to the actual protection level requirements, can be provided with a first sealing strip around the boss 33 to achieve the required protection level; The positioning seat 34 is lifted, and an insulating sheet is pasted on the positioning seat 34 to ensure the insulating contact between the end plate 2 and the adapter plate 5. Of course, according to the required protection level, around the circumference of the end plate 2 can also be provided with a third Two sealing strips 35. After actual verification, if the shell is integrally formed, and by setting the first sealing strip and the second sealing strip 35, the protection level of the entire household energy storage device can reach IP65, which greatly improves the safety of the household energy storage device.

Please refer to FIG. 7 , in order to facilitate the installation of the energy storage battery module 6 and the controller assembly 7 , the inner cavity of the housing body 1 is also provided with a spacer for separating and making the energy storage battery module 6 and the controller assembly 7 . The support rib 8, correspondingly, should be provided with a rib escape opening 30 corresponding to the position of the support rib 8 on the adapter plate 5, as shown in Figures 12 and 13; The bottom is also provided with a base 9, as shown in Figure 7.

The positive electrode and the negative electrode of any one of the energy storage battery modules 6 in the first embodiment are respectively located in different plate mounting end faces. Those skilled in the art can easily evolve the above scheme. Please refer to Figure 26 and Figure 27, for example:

A household energy storage device, comprising a plurality of energy storage battery modules 6, the plurality of energy storage battery modules 6 are arranged to form an energy storage whole, and the energy storage whole only forms a panel mounting end face, and the panel mounting end face is provided with a Adapter board 5, where,

The positive electrode and the negative electrode of any one of the energy storage battery modules 6 are located in the mounting end face of the board (that is, the positive electrode and the negative electrode of the energy storage battery module 6 are located at the same end in the length direction of the energy storage battery module), and the adapter plate 5 has a terminal inside, and the terminal is electrically connected to the positive electrode and the negative electrode of the energy storage battery module 6 located in the mounting end face of the board;

The adapter plate 5 is also integrated with a series line, and the energy storage battery modules 6 are connected in series through the series line, or the adapter plate 5 is further integrated with a parallel line, and the energy storage battery modules 6 are connected in parallel by arranging the parallel lines.

The advantage of this household energy storage device is that when performing series-parallel conversion, it is not necessary to change the stacking sequence of the batteries, and only the adapter plate 5 needs to be replaced, so the series-parallel conversion is more flexible and efficient.

Embodiment 2

Most of the components of the household energy storage device disclosed in this embodiment are the same as those in the first embodiment, and the same components will not be repeated in this embodiment, and only the differences between the second embodiment and the first embodiment will be described in detail below. .

Please refer to FIG. 6 , FIG. 9 , FIG. 14 and FIG. 15 , in this embodiment, the positive and negative electrodes of the energy storage battery module 6 are both plug connectors 19 , and the terminals on the adapter board 5 are specifically connected to the plug connectors 19 . The matching socket 31, when the terminal is the socket 31, the serial line and parallel line integrated on the adapter board 5 are specifically the copper bar 32, as shown in FIG. 14, through the plug 19 and the plug The cooperation of the connecting groove 31 can realize the quick connection between the adapter plate 5 and the energy storage battery module 6 .

Embodiment 3

Compared with the first embodiment, the household energy storage device disclosed in the third embodiment has removed the flat cuboid shell, as shown in FIG. The top of the battery is stacked with a controller assembly 7, and the energy storage whole has an adapter plate assembly 37 installed at both ends of the electrode. The controller assembly 7 can form a whole. In order to meet the protection requirements, the energy storage battery module 6, the controller assembly 7 and the adapter plate assembly 37 need to be designed accordingly. As shown in Figure 25, it is a Adapter plate assembly 37 with its own protective casing.

Furthermore, the controller assembly 7 can also be integrated into the adapter plate assembly, thereby further simplifying the structure of the household energy storage device, reducing its overall size, and facilitating transportation and installation.

The household energy storage device provided by the present invention has been described in detail above. The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present utility model, some improvements and modifications can also be made to the present utility model, and these improvements and modifications also fall into the protection of the claims of the present utility model. within the range.

Claims (10)

1. A household energy storage device, comprising a plurality of energy storage battery modules, characterized in that, a plurality of described energy storage battery modules are arranged to form an energy storage whole, and the energy storage whole forms two panel mounting end faces , an adapter plate is provided on the mounting end face of any one of the panels, wherein, The positive electrode and the negative electrode of any one of the energy storage battery modules are located in different mounting end faces of the board, and the adapter plate has terminals, and the terminals are connected to the storage terminals located in the mounting end faces of the board. The positive electrode and the negative electrode of the energy storage battery module are electrically connected, and a series line is also integrated in the adapter plate, and the series lines in the two adapter plates connect the energy storage battery module in series; Alternatively, the positive electrode and the negative electrode of any one of the energy storage battery modules are respectively located in different mounting end faces of the board, and the adapter plate is provided with a terminal, and the terminal is located in the mounting end of the board. The positive and negative electrodes of the energy storage battery modules are electrically connected, and the adapter plate is also integrated with a parallel line, and the parallel lines in the two adapter plates connect the energy storage battery modules in parallel. 2 . The household energy storage device according to claim 1 , wherein the terminal is a connection port corresponding to the positive electrode and the negative electrode of the energy storage battery module; 2 . Alternatively, the positive electrode and the negative electrode of the energy storage battery module are plug connectors, and the terminal is a plug slot adapted to the plug connector. 3. The household energy storage device according to claim 2, wherein when the terminal is a connection port, the series line and the parallel line are copper wires; when the terminal is a plug connection In the slot, the series line and the parallel line are copper bars. 4. The household energy storage device according to claim 1, wherein the positive electrode and the negative electrode of the energy storage battery module are respectively located at both ends of the energy storage battery module in the length direction; The energy storage device further includes a casing for accommodating the energy storage battery module, the casing includes a casing body and an end plate, two ends of the casing body in the length direction are battery inlets for the battery module to be installed, and the battery module is installed at the two ends of the casing body. The adapter plate is embedded in the battery inlet and arranged on the mounting end surface of the board, and the end plate is used for pressing the adapter plate and closing the battery inlet. 5 . The household energy storage device according to claim 4 , wherein the energy storage battery module is further provided with a battery communication port, and the adapter plate is further provided with a communication port for communicating with the battery. 6 . Connected to the battery communication connection end, the casing body is also provided with a controller assembly for controlling the energy storage as a whole, and the controller assembly is provided with an external power supply interface, an internal communication port of the controller, and an external controller assembly. a communication interface, the adapter plate is provided with a controller communication connection terminal for connecting with the internal communication port of the controller, the controller communication connection terminal is connected with each of the battery communication connection terminals, and the end plate A window corresponding to the external power supply interface and the external communication interface of the controller is provided. 6 . The household energy storage device according to claim 5 , wherein the window is a boss that protrudes toward the controller assembly and is used to abut against the end face of the controller assembly, and the A first sealing strip is arranged around the boss; the position corresponding to the end plate and the adapter plate is provided with a positioning seat that protrudes toward the adapter plate, and an insulating sheet is arranged on the positioning seat and surrounds the adapter plate. A second sealing strip is also provided in the circumferential direction of the end plate. 7 . The household energy storage device according to claim 1 , wherein at least one of the adapter plates is further integrated with a controller assembly that is communicatively connected to each of the energy storage battery modules, and the control The controller assembly is provided with an external power supply interface and an external communication interface of the controller. 8. The household energy storage device according to any one of claims 1-7, wherein the energy storage battery module comprises: A battery case with an opening at the top; a thermal insulation cotton built into the bottom of the battery case; a plurality of battery cells built in the casing and located on the upper part of the insulation cotton; an integrated top plate covering the top of the battery cell, the integrated top plate connects a plurality of the battery cells in series or in parallel; An insulating upper cover installed on the top of the battery case and covering the integrated top plate. 9. A household energy storage device, comprising a plurality of energy storage battery modules, characterized in that a plurality of the energy storage battery modules are arranged to form an energy storage unit, and the energy storage unit forms a panel mounting end face, An adapter plate is arranged on the mounting end face of the plate, wherein, The positive and negative electrodes of any one of the energy storage battery modules are located in the mounting end face of the board, and the adapter plate is provided with a terminal, and the terminal is connected to the energy storage battery located in the mounting end face of the board. The positive and negative electrodes of the module are electrically connected; The adapter plate is also integrated with a series line, and the energy storage battery module is connected in series through the series line, or the adapter plate is also integrated with a parallel line, and the energy storage battery module is connected by the row of the energy storage battery module. Parallel lines are connected in parallel. 10 . The household energy storage device according to claim 9 , wherein a controller assembly communicating with each of the energy storage battery modules is further integrated on the adapter board, and the controller assembly is integrated. 11 . The device is provided with an external power supply interface and an external communication interface of the controller.

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