CN221282243U

CN221282243U - Battery box of stacked series energy storage battery and stacked series energy storage battery

Info

Publication number: CN221282243U
Application number: CN202323049235.3U
Authority: CN
Inventors: 刘国辉
Original assignee: Shenzhen Thanksun Technology Co ltd
Current assignee: Shenzhen Thanksun Technology Co ltd
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-07-05
Anticipated expiration: 2033-11-09

Abstract

The utility model discloses a battery box of a stacked series energy storage battery and the stacked series energy storage battery, the battery box comprises a shell, the outer surface of the shell comprises a first stacking surface and a second stacking surface, and the battery box further comprises: the male plug is arranged on the first stacking surface; the female plug is arranged on the second stacking surface; the plurality of battery cells are arranged in the shell, a first wire and a second wire are integrally arranged as one battery cell and used for connecting the male plug and the female plug, and the plurality of battery cells in the whole battery cell are electrically connected in sequence; after the male plug of the battery box is connected with the female plug of the other battery box, or the female plug of the battery box is connected with the male plug of the other battery box, the whole battery cores of the two adjacent battery boxes are in series connection. According to the utility model, the plurality of battery boxes are combined in series in a detachable and stacked manner, so that the energy storage battery can meet different voltage use requirements.

Description

Battery box of stacked series energy storage battery and stacked series energy storage battery

Technical Field

The utility model relates to the field of energy storage batteries, in particular to a battery box monomer of a household stacked series energy storage battery and the stacked series energy storage battery.

Background

The household energy storage battery is generally used for providing power for electrical equipment in a home when power is cut, and can be carried outdoors to carry out mobile power supply.

With the improvement of living standard, more and more household electrical appliances are used for people, such as mobile phones, charging devices and the like, and large electrical appliances such as refrigerators, washing machines, air conditioners and the like. The more electrical equipment in the family, the higher the required power supply, and the higher the corresponding power supply voltage; fewer household electrical equipment, low power supply power and relatively low power supply voltage are needed correspondingly.

However, the output voltage of the current household energy storage battery is generally fixed, that is, the number of battery cells in the current household energy storage battery is fixed, the battery cells and the whole energy storage battery are assembled and fixed into a whole, the energy storage battery with large power supply voltage cannot be separated to obtain small power supply voltage, the volume is huge, the energy storage battery with small power supply voltage cannot be combined to obtain large power supply voltage, that is, the current household energy storage battery cannot be combined according to the requirements of different power utilization voltages.

Accordingly, the prior art is in need of improvement.

Disclosure of utility model

In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a battery box of a stacked series energy storage battery, which aims to obtain different power supply voltages by detachably and stacked series combination of a plurality of battery boxes, so that the energy storage battery can meet different voltage use requirements.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A battery box of stacked series energy storage battery, includes the casing, wherein, the surface of casing includes first face and the second face of stacking, the battery box still includes:

The male plug is arranged on the first stacking surface;

the female plug is arranged on the second stacking surface;

The plurality of battery cells are arranged in the shell, a first wire and a second wire are integrally arranged as one battery cell and used for connecting the male plug and the female plug, and the plurality of battery cells in the whole battery cell are electrically connected in sequence;

After the male plug of the battery box is connected with the female plug of the other battery box, or the female plug of the battery box is connected with the male plug of the other battery box, the whole battery cores of the two adjacent battery boxes are in series connection.

The male plug comprises a first pin and a second pin with opposite polarities;

the female plug comprises a third pin and a fourth pin with opposite polarities;

The first pin and the third pin are positioned at one side, and the second pin and the fourth pin are positioned at the other side;

The first lead is connected with the third pin of the female plug, the second lead is connected with the first pin of the male plug, and the second pin of the male plug is directly connected with the fourth pin of the female plug through the third lead.

The male plug comprises a first base body fixed on a first stacking surface of the shell, the first base body comprises a first shell outside the shell and a first shell inside the shell, the first shell is internally provided with a first pin and a second pin, the first shell is higher than the shell, a first conductive column and a second conductive column are arranged on the first shell, the first conductive column is electrically connected with the first pin, and the second conductive column is electrically connected with the second pin.

The female plug comprises a second base body fixed on a second stacking surface of the shell, the second base body comprises a second shell outside the shell and a second shell inside the shell, the third pin and the fourth pin are arranged inside the second shell, a first conductive hole and a second conductive hole are formed in the second shell, the first conductive hole is electrically connected with the third pin, and the second conductive hole is electrically connected with the fourth pin.

The shell is characterized in that a heating film is further arranged in the shell, the heating film is attached to the plurality of electric cores, and the heating film is connected with an external power supply circuit through the male plug or the female plug.

The upper layer and the lower layer in the shell are respectively provided with a first electric core box and a second electric core box, and the electric cores are respectively arranged in the first electric core box and the second electric core box.

Wherein, two opposite sides of the outer surface of the shell are also provided with concave handle grooves.

The shell is internally provided with a slave control management module, the slave control management module is electrically connected with each electric core, and the slave control management module is also connected with the male plug or the female plug so as to output the operation data of each electric core.

The utility model further provides a stacked type series energy storage battery, wherein the stacked type series energy storage battery comprises at least one battery box of the stacked type series energy storage battery, a base and a main control box, and the base, the battery box and the main control box are sequentially detachably stacked and connected.

The main control box is internally provided with a main control circuit, a touch control display screen is arranged on the main control box and is electrically connected with the main control circuit, and the touch control display screen is used for setting operation parameters and displaying operation states.

It should be understood that within the scope of the present utility model, the above technical features of the present utility model and the technical features specifically described in the following (embodiment) may be combined with each other, so as to constitute a new or preferred technical solution, which is not described in detail herein.

The utility model has the beneficial effects that: through setting up public female plug respectively on the casing of battery box to through public female plug and the line mode of battery box inside electric core, when making adjacent two battery boxes pile up through public female plug grafting, be the series connection between the electric core of adjacent two battery boxes wholly, thereby improve total power supply voltage, so the user can pile up the battery box of combination according to own voltage user demand.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first embodiment of a battery box of a stacked tandem energy storage battery of the present utility model;

FIG. 2 is a schematic view of the bottom view of the structure of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 with the housing removed;

FIG. 4 is an exploded view of the structure of FIG. 1;

FIG. 5 is a schematic view of the structure of FIG. 1 with the housing, first cell casing, and second cell casing removed;

FIG. 6 is a schematic diagram of a stack of multiple battery cases according to the present utility model;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a schematic view of a male plug according to the present utility model;

FIG. 9 is a schematic view of a female plug according to the present utility model;

fig. 10 is a schematic structural diagram of a stacked tandem energy storage battery according to a first embodiment of the present utility model;

FIG. 11 is a schematic view of a base structure of a stacked tandem energy storage battery of the present utility model;

Fig. 12 is a schematic structural diagram of a master control box of the stacked tandem energy storage battery of the present utility model;

FIG. 13 is a schematic view of the bottom view of the structure of FIG. 12;

Fig. 14 is an exploded view of the structure of fig. 12.

Reference numerals illustrate:

100-battery box, 1-housing, 101-housing shell, 102-upper cover, 11-first stacking surface, 12-second stacking surface, 13-first cell box, 14-second cell box, 15-handle groove, 2-male plug, 21-first pin, 22-second pin, 23-first seat, 231-first housing exterior, 232-first housing interior, 24-first conductive post, 25-second conductive post, 26-communication connection post, 27-heating negative terminal, 28-heating positive terminal, 3-female plug, 31-third pin, 32-fourth pin, 33-second seat, 331-second housing exterior, 332-second housing interior, 34-first conductive aperture, 35-second conductive hole, 36-communication connection hole, 37-heating negative electrode wiring hole, 38-heating positive electrode wiring hole, 39-insertion groove, 4-electric core, 5-electric core whole, 51-conductive plate, 61-first conductive wire, 62-second conductive wire, 63-third conductive wire, 64-fourth conductive wire, 7-heating film, 8-slave control management module, 200-base, 201-male plug, 300-master control box, 301-master control circuit, 3011-BMS module, 3012-DC/DC voltage regulation module, 302-touch control display screen, 303-female plug, 304-electric energy input/output interface, 3041-positive electrode input/output interface, 3040-negative electrode input/output interface, 305-master gate, 306-power switch, 307-stator, 308-main control box shell and 400-energy storage battery.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be either a fixed connection or a removable connection or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 to 7, the present embodiment provides a battery box 100 of a stacked series energy storage battery, which includes a housing 1, wherein an outer surface of the housing 1 includes a first stacking surface 11 and a second stacking surface 12. In some embodiments, the first stacking surface 11 and the second stacking surface 12 may be located on two opposite surfaces of the housing 1, such as upper and lower surfaces, left and right surfaces, front and rear surfaces, and the like. In other embodiments, the first stacking surface 11 and the second stacking surface 12 may also be located on two adjacent surfaces of the housing 1, such as the left surface and the upper surface. In the embodiment of the present invention, as shown in fig. 1 and 2, the first stacking surface 11 and the second stacking surface 12 are located on the upper surface and the lower surface of the housing 1, respectively. So that a plurality of battery cases 100 can be stacked up and down.

Preferably, the shell 1 of the present utility model is a sheet metal shell, and is sturdy and durable.

The battery case 100 of the present utility model further includes: the male plug 2 is arranged on the first stacking surface 11, and the female plug 3 is arranged on the second stacking surface 12. As shown in fig. 1 and 2, the male plug 2 is disposed on the upper surface of the housing 1, the female plug 3 is disposed on the lower surface of the housing 1, and the male plug 2 and the female plug 3 are disposed on the upper and lower surfaces of the same side of the housing 1, as in the present embodiment, the male plug 2 and the female plug 3 are disposed on the upper and lower surfaces of the right side of the housing 1, and the male plug 2 and the female plug 3 are disposed on the same side of the housing 1 in a manner that facilitates line connection between the male plug 2 and the female plug 3.

The male plug 2 of the battery case 100 of the present utility model is for plug-in connection with the female plug 3 of the other battery case 100, and the female plug 2 of the battery case 100 of the present utility model is for plug-in connection with the male plug 3 of the other battery case 100. Therefore, the stacking combination of a plurality of battery boxes 100 can be realized, the plug-in connection of the male plug 2 and the female plug 3 is convenient for the rapid combination and disassembly between the plurality of battery boxes 100, meanwhile, the connection of the two battery boxes 100 does not need connecting wires, the combination stacking is convenient, the wires are saved, and the appearance is attractive.

The battery box 100 of the present utility model further includes a plurality of electric cells 4, as shown in fig. 3 to 5, the plurality of electric cells 4 are disposed in the housing 1, and the plurality of electric cells 4 are provided as a whole electric cell 5 with a first wire 61 and a second wire 62 for connecting the male plug 2 and the female plug 3, and the plurality of electric cells 4 in the whole electric cell 5 are electrically connected in sequence.

As shown in fig. 4, the housing 1 of the present utility model includes a housing case 101 having an opening at an upper end thereof, and an upper cover 102 provided at the opening of the housing case 101. The accommodating case 101 has a cavity therein for accommodating a plurality of components such as the battery cells 4. The plurality of cells 4 in the cell unit 5 may be connected in series or in parallel.

As an embodiment, 16 electric cells 4 are disposed in the battery box 100 of the present utility model, and the output voltage of each electric cell 4 is 3.2V, in this embodiment, the 16 electric cells 4 are serially connected in sequence, so that the power supply voltage output by the whole battery box 100 reaches 51.2V.

Preferably, as shown in fig. 3, a first cell box 13 and a second cell box 14 are disposed in the upper and lower layers in the casing 1, and the plurality of cells 4 are disposed in the first cell box 13 and the second cell box 14. Therefore, the plurality of battery cells 4 in the battery box 100 are distributed in the upper layer and the lower layer, the width of the shell 1 can be reduced, the battery box 100 is prevented from occupying too large space in width, meanwhile, the battery cells 4 arranged in two layers enable one battery box 100 to contain a larger number of battery cells 4, and the output voltage or capacity of the battery box 100 is improved. As shown in fig. 5, two adjacent cells 4 are connected by a conductive plate 51, and a plurality of cells 4 are connected by a plurality of conductive plates 51. In a series relationship, the positive electrode of one cell 4 is connected to the negative electrode of the other cell 4 through a conductive plate 51, and the negative electrode of one cell 4 is also connected to the positive electrode of the other cell 4 through a conductive plate 51. Preferably, the conductive plate 51 is an aluminum plate and is connected between two adjacent cells 4 by welding.

The battery cell unit 5 of the present utility model is connected with a first wire 61 and a second wire 62, and one of the first wire 61 and the second wire 62 is used as an input wire and the other is used as an output wire for the inflow and outflow of current when the battery case 100 is turned on. As shown in fig. 3, a first wire 61 is connected to the female plug 3 and a second wire 62 is connected to the male plug 2. The upper and lower battery cells 4 are connected by a fourth wire 64.

After the male plug 2 of the battery box 100 is connected with the female plug 3 of another battery box 100, or after the female plug 3 of the battery box 100 is connected with the male plug 2 of another battery box 100, the battery cells of two adjacent battery boxes 100 are in series connection with each other as a whole 5. Specifically, as shown in fig. 6 and 7, the middle battery box 100 is connected with the female plug 3 of the upper battery box 100 through the male plug 2 thereof, and the connected middle battery box 100 is connected with the battery cell whole 5 in the upper battery box 100 in series. The middle battery box 100 is connected with the male plug 3 of the lower battery box 100 in a plugging manner through the female plug 2, and after connection, the middle battery box 100 and the battery cell whole 5 in the battery box 100 below are in a series connection relationship, so that the battery cell whole 5 in the 3 battery boxes 100 are in a series connection relationship, the total power supply voltage is improved, for example, in the embodiment, the output voltage of the single battery box 100 is 51.2V, the total power supply voltage after two battery boxes 100 are connected in series is 102.4V, the total power supply voltage after three battery boxes 100 are connected in series is 153.6V, and the total output voltage of the energy storage battery is changed in a series stacking manner, so that the requirements of different power consumption voltages are met, namely, the requirements of different power consumption powers are met.

Specifically, as shown in fig. 5, the male plug 2 of the present utility model includes a first pin 21 and a second pin 22 with opposite polarities, that is, the first pin 21 and the second pin 22 have positive polarity and negative polarity in the circuit. The female plug 3 includes a third pin 31 and a fourth pin 32 with opposite polarities, and similarly, the electrical polarities of the third pin 31 and the fourth pin 32 in the circuit are opposite positive polarity pins and negative polarity pins.

The first pin 21 and the third pin 31 are located at one side, and the second pin 22 and the fourth pin 32 are located at the other side. As shown in fig. 5, the first pin 21 and the third pin 31 are both located on the left side of the line a, and the second pin 22 and the fourth pin 32 are both located on the right side of the line a.

The first wire 61 is connected to the third pin 31 of the female plug 3, the second wire 62 is connected to the first pin 21 of the male plug 2, and the second pin 22 of the male plug 2 is directly connected to the fourth pin 32 of the female plug 3 through the third wire 63. The connection of the pins in the male plug and the female plug can enable the whole battery cells 5 in the upper battery box 100 and the lower battery box to be in series connection, so that the output total voltage is improved, namely the power supply voltage is improved.

In one embodiment, in the present utility model, the first pin 21 of the male plug 2 is set as a negative electrode, the second pin 22 is set as a positive electrode, the third pin 31 of the female plug 3 is set as a positive electrode, the fourth pin 32 is set as a negative electrode, and current flows from the male plug 2 of the battery box 100 below to the third pin 31 of the female plug 3 of the battery box 100, then flows to the negative electrode of one of the cells 4 in the upper layer of the whole battery box 5 through the first wire 61, flows from the positive electrode of the cell 4 through the inside of the cell 4, then flows to the next cell 4 through the conductive plate 51 until the whole upper layer of cell 4 is completed, then flows to the lower layer of cell through the fourth wire 64, and flows to the first pin 21 of the male plug through the second wire 62 after the whole lower layer of cell is completed, and then flows from the first pin 21 of the male plug to the female plug of the battery box 100 above. Then, the second pin 22 of the male plug 2 of the battery box 100 and the fourth pin 32 of the female plug 3 are directly connected through the third wire 63 and do not pass through the inside of the battery cell, so after the plurality of battery boxes 100 are stacked, the second pin 22 and the fourth pin 32 of the male plug are directly communicated and do not pass through the battery cell inside the battery box 100, and after the plurality of battery boxes 100 are stacked together, the battery cell whole 5 is in a series connection relationship.

It will be appreciated that in other embodiments, the pins of the male and female plugs inside the single battery case 100 may be connected in other ways, so long as the serial relationship between the cell units 5 between two adjacent battery cases 100 stacked together is ensured.

Specifically, as shown in fig. 8, the male plug 2 of the present utility model includes a first housing 23 fixed on the first stacking surface 11 of the housing 1, the first housing 23 includes a first housing outer portion 231 located outside the housing 1 and a first housing inner portion 232 located inside the housing 1, the first housing inner portion 232 is provided with the first pin 21 and the second pin 22, the first housing outer portion 231 is higher than the housing 1, the first housing outer portion 231 is provided with a first conductive post 24 and a second conductive post 25, the first conductive post 24 is electrically connected with the first pin 21, and the second conductive post 25 is electrically connected with the second polar 22 pin. The first housing outer part 231 is higher than the housing 1, so that when stacking, the male plug 2 of the battery box 100 is embedded into the female plug 3 of the battery box 100 above to package the firmness of plug connection, and meanwhile, the first conductive column 24 and the second conductive column 25 can be embedded into the female plug 3 of the adjacent battery box 100.

Specifically, as shown in fig. 9, the female plug 3 of the present utility model includes a second seat 33 fixed on the second stacking surface 12 of the housing 1, the second seat 33 includes a second housing outer portion 331 located outside the housing 1 and a second housing inner portion 332 located inside the housing 1, the second housing inner portion 332 is provided with the third pin 31 and the fourth pin 32, the second housing outer portion 331 is provided with a first conductive hole 34 and a second conductive hole 35, the first conductive hole 34 is electrically connected with the third pin 31, and the second conductive hole 35 is electrically connected with the fourth pin 32. In this embodiment, the second shell outer 331 is provided with an insertion slot 39, so that the first shell outer 231 of the male plug 2 of the battery box 100 located below the battery box 100 can be inserted into the insertion slot 39, and meanwhile, the first conductive post 24 and the second conductive post 25 of the male plug 2 of the battery box 100 below can be respectively inserted into the first conductive hole 34 and the second conductive hole 35 to realize the electrical connection of the male plug and the female plug of the two battery boxes 100 after stacking.

Preferably, as shown in fig. 4 and 5, a heating film 7 is further disposed in the housing 1, the heating film 7 is attached to the plurality of electric cores 4, and the heating film 7 is connected to an external power supply circuit through the male plug 2 or the female plug 3. In this embodiment, two heating films 7 are separately provided, and the two heating films 7 are respectively disposed on the bottom walls of the first cell box 13 and the second cell box 14, as shown in fig. 3, so that the two heating films 7 can be respectively attached to the bottom surfaces of each of the cells 4 in the first cell box 13 and the second cell box 14, and thus the heating films 7 can heat the cells 4, so that the battery box 100 can be started to operate rapidly in a low-temperature environment. That is, the battery case 100 of the present utility model has a battery self-heating function to accommodate use in a low temperature environment. Referring to fig. 8 and 9, the male plug 2 is provided with a heating positive terminal 28, a heating negative terminal 27, and the female plug 3 is provided with a heating positive terminal hole 38 and a heating negative terminal hole 37. The positive electrode and the negative electrode of the heating film 7 are respectively connected into a heating positive electrode wiring terminal 28, a heating negative electrode wiring terminal 27 of the male plug 2 or a heating positive electrode wiring hole 38 and a heating negative electrode wiring hole 37 of the female plug 3. The two heating films 7 in the battery boxes 100 are in parallel connection, and after the adjacent battery boxes 100 are connected through male and female plugs after being stacked, the heating films 7 in the battery boxes are also in parallel connection. The heating positive terminal 28, the heating negative terminal 27, the heating positive terminal 38 and the heating negative terminal 37 of the male plug 2 and the female plug 3 are finally connected to an external power source (including photovoltaic power, a generator, commercial power and the like).

It will be appreciated that the heating film 7 may also be U-shaped or hollow rectangular to cover three or four sides of the cell 4. So as to further increase the heating area of the battery cell and enable the battery cell to be started more quickly in a low-temperature environment.

Further, the two opposite sides of the outer surface of the housing 1 of the battery box 100 are also provided with concave handle grooves 15. The handle groove 15 facilitates the lifting of the battery box 100 for stacking or separating, and meanwhile, the battery box cannot protrude out of the shell 1 to reduce space occupation. In this embodiment, as shown in fig. 1, the handle grooves 15 are respectively located on two opposite side walls in the length direction of the housing 1.

Preferably, as shown in fig. 3 and 4, a slave control management module 8 is further disposed in the housing 1 of the battery box 100, the slave control management module 8 is electrically connected to each of the electrical cells 4, and the slave control management module 8 is further connected to the male plug 2 or the female plug 3 to output operation data of each of the electrical cells 4.

The slave control management module 8, which is also a BMU module, mainly monitors and manages data such as voltage and balance of each cell 4, and transmits information to a BMS (battery master control management module) to make the voltage regulation and control of the battery approximately consistent. Such as: if some battery cell reaches 4V and others reach 3V, the slave control management module 8 will transmit information to the BMS to control the battery cell of 4V to be temporarily not charged, and continue to work when the battery cell is discharged to 3V which is almost balanced with other batteries.

In the present utility model, a slave control management module 8 is provided in each battery case 100 to monitor the battery voltage of each battery cell 4 in each battery case 100, and then feeds back the single voltage information to the master control BMS, which processes the overcharge and overdischarge of the battery pack by the feedback information.

As shown in fig. 8 and 9, the male plug 2 is provided with a communication connection post 26, the female plug 3 is provided with a communication connection hole 36, the slave control management module 8 is connected with the communication connection post 26 or the communication connection hole 36, and meanwhile, the communication connection post 26 is connected with the communication connection hole 36 of the adjacent battery box 100, so that the transportation data of each battery cell 4 can be output to the BMS.

With continued reference to fig. 10, the present utility model further provides a stacked serial energy storage battery 400, which includes at least one of the above-mentioned stacked serial energy storage battery cases 100, and further includes a base 200 and a main control case 300, where the base 200, the battery case 100, and the main control case 300 are sequentially detachably stacked and connected. In this embodiment, as shown in fig. 10, the base 200 is disposed at the bottom of the energy storage battery 400, then 4 battery boxes 100 are stacked on the base 200 in sequence, then the main control box 300 is stacked on the uppermost battery box 100, and the whole energy storage battery 400 can output a voltage of about 204.8V, it is understood that in other embodiments, 5, 6, etc. battery boxes 100 may be stacked in series to increase the output voltage. The base 200 is used for the closed connection of the whole circuit loop, the male plug 201 is arranged on the base 200, the male plug 201 structure of the base 200 is identical to the male plug 2 structure of the battery box 100, and the difference is that the positive and negative pins in the male plug 201 of the base 200 are directly communicated to close and conduct the serial circuit of the whole energy storage battery 400. The main control box 300 is used for managing the battery in the whole energy storage battery 400, such as charging, discharging, voltage balancing, parameter setting, operation status monitoring, display, etc. The main control box 300 is also connected to an inverter to convert the direct current of the entire energy storage battery 400 into alternating current to supply the alternating current in the home with electricity. Because the energy storage battery 400 adopts the battery box 100, the whole energy storage battery 400 can select a plurality of battery boxes 100 to be stacked according to the power consumption voltage requirement of a user, and is flexible and convenient.

Specifically, as shown in fig. 11 to 13, the base 200 is provided with a male plug 201 connected to the female plug 3 of the battery box 100, and the main control box 300 is provided with a female plug 303 connected to the male plug 2 of the battery box 100. The top of the base 200 is also provided with a first stacking surface 11 to be stacked with the second stacking surface 12 of the battery case 100, and the male plug 201 of the base 200 is provided on the first stacking surface 11 of the base 200. The bottom of the main control box 300 is also provided with a second stacking surface 12 to be stacked with the first stacking surface 11 of the battery box 100, and the female plug 303 of the main control box 300 is disposed on the second stacking surface 12 of the main control box 300.

Preferably, a main control circuit 301 is disposed in the main control box 300, a touch display screen 302 is disposed on the main control box 300 and electrically connected to the main control circuit 301, and the touch display screen 302 is used for setting operation parameters and displaying operation states.

The touch display screen 302 of the present utility model can display single battery data (according to section, voltage, temperature, balance), current alarm information, alarm parameters, alarm logs, system parameters, system information, language switching, contact modes, etc. and set related parameters, so as to intuitively and conveniently manage the whole battery.

Specifically, the main control circuit 301 of the present utility model includes a BMS module 3011, and a DC/DC voltage regulating module 3012 connected to the BMS module 3011. The BMS module 3011, i.e. a battery master control management module, is configured to manage the whole energy storage battery 400, and the DC/DC voltage regulating module 3012 may adjust the output voltage, such as voltage reduction, to meet different low-voltage power requirements.

As shown in fig. 12 and 14, the main control box 300 is provided with an electric energy input/output interface 304, a main gate 305 and a power switch 306, and the main control circuit 301 is electrically connected with the female plug 303 of the main control box 300, and the electric energy input/output interface 304, the main gate 305 and the power switch 306.

The electric energy input/output interface 304 includes a positive electrode input/output interface 3041 and a negative electrode input/output interface 3042, and the electric energy input/output interface 304 is connected to an inverter to supply power to external electric equipment by output voltage or charge a battery by input electric energy. The main gate 305 is used for cutting off or connecting the external connection of the whole circuit, and the power switch 306 is used for starting or closing the whole energy storage battery 400.

The main control box upper 300 comprises a main control box shell 308, a main control circuit 301 is arranged in the main control box shell 308, the bottom of the main control box shell 308 is provided with a female plug 303, the front of a power switch 306 is provided with a touch display screen 302 and the power switch 306, and the side surface of the main control box shell 308 is provided with an electric energy input/output interface 304 and a main gate 305.

Preferably, a fixing piece 307 is further provided on the main control casing 308, and the entire energy storage battery 400 may be fixed to a wall.

According to the battery box 100 and the stacked series energy storage battery 400 of the stacked series energy storage battery, the male and female plugs are respectively arranged on the shell 1 of the battery box 100, and when two adjacent battery boxes 100 are stacked together in a plugging manner through the male and female plugs in a connecting mode with the battery cells 4 in the battery box 100, the battery cells 5 of the two adjacent battery boxes 100 are in series connection, so that the total power supply voltage is improved, and a user can stack and combine the battery boxes 100 according to the voltage use requirement.

The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims, rather, as the description of the utility model covers all embodiments of the utility model.

Claims

1. The utility model provides a battery box of stacked series connection energy storage battery, includes the casing, its characterized in that, the surface of casing includes first face and the second face of stacking, the battery box still includes:

The male plug is arranged on the first stacking surface;

the female plug is arranged on the second stacking surface;

2. The battery box of stacked series-connected energy storage cells of claim 1,

The male plug comprises a first pin and a second pin with opposite polarities;

3. The battery box of stacked series-connected energy storage cells of claim 2,

4. The battery box of stacked series-connected energy storage cells of claim 2,

The female plug comprises a second seat body fixed on a second stacking surface of the shell, the second seat body comprises a second shell outside the shell and a second shell inside the shell, the third pin and the fourth pin are arranged inside the second shell, a first conductive hole and a second conductive hole are formed in the second shell, the first conductive hole is electrically connected with the third pin, and the second conductive hole is electrically connected with the fourth pin.

5. The battery box of the stacked type series energy storage battery according to claim 1, wherein a heating film is further arranged in the shell, the heating film is attached to the plurality of electric cores, and the heating film is connected with an external power supply circuit through the male plug or the female plug.

6. The battery box of the stacked type series energy storage battery according to claim 1, wherein a first battery cell box and a second battery cell box are arranged at upper and lower layers in the shell, and the plurality of battery cells are arranged in the first battery cell box and the second battery cell box respectively.

7. The stacked, series-connected energy storage cell battery of claim 1, wherein the housing outer surface is further provided with recessed handle grooves on opposite sides thereof.

8. The stacked, series-connected energy storage battery cell of claim 1, wherein a slave management module is further disposed within the housing, the slave management module being electrically connected to each of the cells, the slave management module being further connected to the male plug or female plug to output operational data for each of the cells.

9. A stacked serial energy storage battery, comprising at least one battery box of the stacked serial energy storage battery according to any one of claims 1-8, and further comprising a base and a main control box, wherein the base, the battery box and the main control box are sequentially detachably stacked.

10. The stacked, series-connected energy storage battery of claim 9, wherein a master control circuit is disposed in the master control box, a touch display screen is disposed on the master control box and electrically connected to the master control circuit, and the touch display screen is used for setting operation parameters and displaying operation states.