CN218731460U

CN218731460U - Household energy storage battery module

Info

Publication number: CN218731460U
Application number: CN202222749140.1U
Authority: CN
Inventors: 何泰华; 洪流; 李永军; 余鸿
Original assignee: Anhui Shangtejie Power Technology Co ltd
Current assignee: Anhui Shangtejie Power Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-03-24
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a household is with energy storage battery module, include: a battery assembly for supplying electric power to the outside; the case casing for bearing battery pack, the case casing is including the open box in front end, and the guide rail that the battery pack of being convenient for pulled out or pushed the box is installed to the both sides wall symmetry of box inner chamber, still is provided with the locking mechanism who makes the two rigidity between box and the battery pack. The battery module can be assembled outside the case shell, and the assembly is convenient; the installation and the wiring of the battery module are not influenced by the size of the case shell any more, and the operation space required to be reserved during the assembly in the case is reduced, so that the overall size of the case shell is reduced; the modularization integrated level is high, and the connection piece makes a plurality of quick-witted case casings can establish ties together, provides battery energy storage terminal and communication interface on the lateral wall of box, can establish ties a plurality of users with energy storage battery module and use together.

Description

Household energy storage battery module

Technical Field

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

Background

Photovoltaic power generation refers to new energy power generation in which the photoelectric characteristics of photovoltaic materials are utilized to convert the irradiation energy of light into electric energy (direct current) and the electric energy is incorporated into a three-phase alternating current power grid through an inverter. Different from large-scale photovoltaic power stations, the household photovoltaic power generation has large power and occupies a large area, the photovoltaic power generation means that a photovoltaic cell panel is placed at the top layer of a household residence or in a courtyard, the current conversion process is carried out by using a low-power or micro-inverter, the new energy is directly utilized, redundant electric energy can be merged into a power grid or stored, and the household photovoltaic belongs to the distributed photovoltaic category.

In recent years, with global energy shortage, global warming and extreme weather, solving energy problems and environmental problems has become an urgent task for human beings. Distributed power generation has received extensive attention with its advantages of energy saving, environmental protection, little pollution, high energy utilization rate, capability of improving the reliability of a power grid, less investment, higher flexibility in installation and operation, and the like.

In the development of household photovoltaic, the photovoltaic power generation system is not developed comprehensively in China due to the influence of energy storage cost. And when reducing the energy storage cost, the optimization of product structure also is favorable to the reduction of cost, promotes the competitiveness of product to and the development of helping hand family photovoltaic. In the prior art, a battery module is directly installed in a case, and when the battery module is installed, an operation space needs to be reserved in the case, so that the case is large in overall size, large in occupied space and high in manufacturing cost, and the battery module is extremely inconvenient to operate in the case.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks of the prior art, the present patent application aims to provide a household energy storage battery module, which solves the above-mentioned problems of the prior art.

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

a household energy storage battery module comprising:

a battery assembly for supplying electric power to the outside;

the case casing for bearing battery pack, the case casing is including the open box in front end, and the guide rail that the battery pack of being convenient for pulled out or pushed the box is installed to the both sides wall symmetry of box inner chamber, still is provided with the locking mechanism who makes the two rigidity between box and the battery pack.

Further, battery pack is including battery module and the battery frame that is used for bearing battery module, and one-level BMS is installed to battery frame's front end.

Furthermore, the battery pack further comprises a battery energy storage terminal and a communication interface which are arranged on the outer side walls of the two ends of the box body, and the battery energy storage terminal and the communication interface are respectively electrically connected with the battery module.

Furthermore, the battery frame comprises a mounting bottom plate, the corners of the upper end edge of the mounting bottom plate are connected with vertical columns, and a plurality of connecting supports which are transversely arranged are connected between any two adjacent vertical columns.

Furthermore, the battery frame also comprises a wire frame connected to the side wall of any connecting bracket.

Furthermore, the battery frame also comprises a handle connected to the connecting bracket close to the opening of the box body.

Furthermore, locking mechanism includes that a plurality of connects the installation ear on battery frame both ends lateral wall, is connected with the connecting plate through screw rod and installation ear locking on the inside wall of box.

Further, the front end of the battery frame is connected with a BMS mounting plate for mounting a primary BMS.

Further, the case casing is still including the apron that forms seal structure at the preceding terminal surface of box and box through bolted connection, and the front end of apron is connected with the board of bending that a plurality of one end outwards extended, and the locating hole has been seted up to the board one end that outwards extends of bending.

Furthermore, the lateral walls of the two ends of the box body are connected with connecting pieces, the upper ends of the connecting pieces extend to the upper portion of the box body, the lateral wall of the box body connected with the battery energy storage terminal is connected with a plurality of supporting frames, and a plurality of supporting frames on the same side are connected with a side protection plate for coating the battery energy storage terminal and the communication interface.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the household energy storage battery module can be assembled by placing the battery module outside the housing of the case, and is convenient to assemble; the installation and the wiring of the battery module are not influenced by the size of the case shell any more, and the operation space required to be reserved during the assembly in the case is reduced, so that the overall size of the case shell is reduced, the occupied space is reduced, and the manufacturing cost is saved;

2. the household energy storage battery module realizes quick mounting and dismounting of the battery assembly and the case shell by sliding two sides of the bottom of the battery frame on the guide rails, the handle is convenient for an operator to hold, and the battery assembly and the case shell are firmly connected through the locking mechanism;

3. the household energy storage battery module has high modularization integration level, a plurality of case shells can be connected in series through the connecting sheet, a battery energy storage terminal and a communication interface are provided on the side wall of each case shell, and a plurality of household energy storage battery modules can be connected in series for use;

4. the household energy storage battery module has the advantages that the battery frame is made of metal plates and is in a hollow design, and the household energy storage battery module has good machinability and structural strength.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic view of the assembled structure of the present invention;

FIG. 3 is a schematic side view of the embodiment of FIG. 2;

FIG. 4 is a schematic view of the internal structure of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the battery frame and the battery module assembly of the present invention;

fig. 6 is a schematic diagram of a three-dimensional structure of the battery frame of the present invention.

The reference numbers indicate: the battery pack comprises a case shell 1, a case body 11, a guide rail 12, a cover plate 13, a bent plate 131, a connecting plate 14, a connecting sheet 15, a side guard plate 16, a battery assembly 2, a battery frame 21, a mounting bottom plate 211, a vertical column 212, a connecting support 213, a wire frame 214, a mounting lug 215, a handle 216, a BMS mounting plate 217, a battery module 22, a battery energy storage terminal 23, a communication interface 24 and a primary BMS25.

Detailed Description

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and variations in various respects, all without departing from the spirit of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1-6, the present invention provides a technical solution:

a household energy storage battery module is shown in figure 1 and comprises a case shell 1 and a battery component 2, wherein the case shell 1 is used for supporting the battery component 2, and the battery component 2 is used for providing electric energy outwards.

In a further scheme, as shown in fig. 1-3, the chassis housing 1 includes a chassis 11 with an opening at a front end, a cover plate 13 is connected to the front end surface of the chassis 11 through bolts, the cover plate 13 and the chassis 11 form a sealed structure, the front end of the cover plate 13 is connected to a plurality of bending plates 131 with one end extending outwards, and a positioning hole is formed at one end of the bending plate 131 extending outwards, so that the installation by leaning against a wall is facilitated; guide rails 12 for facilitating the pulling out or pushing in of the battery assembly 2 into the box body 11 are symmetrically installed on two side walls of the inner cavity of the box body 11, and as shown in fig. 4, a locking mechanism for fixing the positions of the box body 11 and the battery assembly 2 is further arranged between the box body 11 and the battery assembly 2. The lateral wall of the two ends of the box body 11 is connected with a connecting sheet 15, the upper end of which extends to the upper part of the box body 11, so that the case can be connected with a plurality of cases in series or connected with a base and a control box, and the modularization integration level is high. Be connected with a plurality of support frame on the box 11 lateral wall of connecting battery energy storage terminal 23, as shown in fig. 1, the quantity of homonymy support frame is two, and installs respectively in the upper portion and the lower part of box 11, and the support frame that is located upper portion adopts the form of blank pressing for artifical transport gripping is connected with same one side backplate 16 on a plurality of support frames of homonymy, is used for cladding battery energy storage terminal 23 and communication interface 24, protects, and is concrete, and side backplate 16 is U type structure.

In a further scheme, as shown in fig. 4 and fig. 5, the battery assembly 2 includes a battery frame 21, a battery module 22, a battery energy storage terminal 23, a communication interface 24, and a primary BMS25, wherein the battery frame 21 is used for supporting the battery module 22; the primary BMS25 is mounted on the front end surface of the battery frame 21, and the primary BMS25 is used to intelligently manage and maintain the respective battery cells, prevent overcharge and overdischarge of the battery module 22, prolong the service life of the battery module 22, and monitor the state of the battery module 22; the battery energy storage terminal 23 and the communication interface 24 are both provided with two groups, the two groups of battery energy storage terminals 23 and the two groups of communication interfaces 24 are respectively arranged on the outer side walls of the two ends of the box body 11, the battery energy storage terminal 23 and the communication interface 24 are respectively electrically connected with the battery module 22, in addition, the battery energy storage terminal 23 and the communication interface 24 are both made of waterproof materials, the model of the battery energy storage terminal 23 can be a waterproof connector of a CDF-200-3 model, the protection grade reaches ip68, the model of the communication interface 24 can be a public end connector of an EC series produced by Toyobo science and technology, and the protection grade reaches ip68.

Referring to fig. 6, the battery frame 21 is made of a metal plate, and is designed to be hollow, so that the battery frame has good workability and structural strength, specifically, the battery frame 21 includes a mounting base plate 211, a corner of an upper end portion of the mounting base plate 211 is connected with a vertical column 212, a plurality of connecting supports 213 which are transversely arranged are connected between any two adjacent vertical columns 212, specifically, as shown in fig. 6, the number of the connecting supports 213 in any direction is two, a wire frame 214 is connected to a side wall of any one of the connecting supports 213, as shown in fig. 6, the wire frame 214 is located on a side wall of the uppermost connecting support 213 in front, and the number of the wire frames 214 is two, so that cables can be placed and lines can be neatly arranged; the front end of the battery frame 21 is connected with a BMS mounting plate 217 for fixing a primary BMS25; the battery frame 21 can assemble the battery module 22 outside the chassis housing 1, so that the installation and wiring of the battery module 22 are no longer affected by the size of the chassis housing 1, and the operating space required to be reserved during the assembly in the case is reduced, thereby reducing the overall size of the chassis housing 1.

As a preferred embodiment of the present disclosure, the battery frame 21 further includes a handle 216 connected to the connecting bracket 213 near the opening of the case 11, for pulling out the battery assembly 2 by hand, so as to conveniently place the battery module 22 outside the case housing 1 for assembly, and the operation is convenient, so as to achieve quick assembly and disassembly.

As a preferred embodiment of the present disclosure, the locking mechanism includes a plurality of mounting lugs 215 connected to the side walls of the two ends of the battery frame 21, specifically, as shown in fig. 6, the number of the mounting lugs 215 on the same side of the battery frame 21 is two, and the inner side wall of the box 11 is connected to a connecting plate 14 locked with the mounting lugs 215 by a screw, so as to fix the battery frame 21 in the box 11 and prevent the battery assembly 2 from sliding in the box 11.

This energy storage battery module is used at family is equipped with round foaming sealing strip between box 11 and apron 13, the uncovered department of box 11 is equipped with the flange of bending, the installation apron 13 back foaming sealing strip extrudees with the flange of bending of box 11, can play sealed waterproof effect, waterproof device is chooseed for use to all devices on the case casing 1, the pressure rivet nut of installing support all uses waterproof pressure rivet nut on the outer casing of case casing 1, whole family can reach waterproof purpose with energy storage battery module.

The above-described embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the present application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims

1. A household energy storage battery module, comprising:

a battery assembly (2) for supplying electric power to the outside;

case casing (1) for bearing battery pack (2), case casing (1) is including the open box of front end (11), and guide rail (12) that battery pack (2) of being convenient for pulled out or push box (11) are installed to the both sides wall symmetry of box (11) inner chamber, still is provided with between box (11) and battery pack (2) and makes the locking mechanism of the two rigidity.

2. The household energy storage battery module as claimed in claim 1, wherein: the battery pack (2) comprises a battery module (22) and a battery frame (21) for supporting the battery module (22), and a primary BMS (25) is installed at the front end of the battery frame (21).

3. The household energy storage battery module as recited in claim 2, wherein: the battery assembly (2) further comprises a battery energy storage terminal (23) and a communication interface (24) which are arranged on the outer side walls of the two ends of the box body (11), and the battery energy storage terminal (23) and the communication interface (24) are respectively electrically connected with the battery module (22).

4. The household energy storage battery module as recited in claim 2, wherein: the battery frame (21) comprises a mounting base plate (211), the corners of the upper end edge of the mounting base plate (211) are connected with vertical columns (212), and a plurality of connecting supports (213) which are transversely distributed are connected between any two adjacent vertical columns (212).

5. The household energy storage battery module as claimed in claim 4, wherein: the battery frame (21) also comprises a wire frame (214) connected to the side wall of any connecting bracket (213).

6. The household energy storage battery module as claimed in claim 4, wherein: the battery frame (21) also comprises a handle (216) connected to a connecting bracket (213) close to the opening of the box body (11).

7. The household energy storage battery module as claimed in claim 2, wherein: the locking mechanism comprises a plurality of mounting lugs (215) connected to the side walls of the two ends of the battery frame (21), and a connecting plate (14) locked with the mounting lugs (215) through a screw is connected to the inner side wall of the box body (11).

8. The household energy storage battery module as claimed in claim 2, wherein: the front end of the battery frame (21) is connected with a BMS mounting plate (217) used for mounting a primary BMS (25).

9. The household energy storage battery module as claimed in claim 1, wherein: the engine case shell (1) is characterized by further comprising a cover plate (13) which is connected to the front end face of the case body (11) through bolts to form a sealing structure with the case body (11), wherein the front end of the cover plate (13) is connected with a bending plate (131) with a plurality of one ends extending outwards, and a positioning hole is formed in one end, extending outwards, of the bending plate (131).

10. The household energy storage battery module as recited in claim 3, wherein: the side wall of the two ends of the box body (11) is connected with a connecting sheet (15) of which the upper end extends to the upper part of the box body (11), the side wall of the box body (11) is connected with a plurality of supporting frames, and the plurality of supporting frames on the same side are connected with a side protecting plate (16) which coats the battery energy storage terminal (23) and the communication interface (24).