CN223743856U

CN223743856U - High-safety secondary battery household energy storage module

Info

Publication number: CN223743856U
Application number: CN202422867238.6U
Authority: CN
Inventors: 吴银华; 肖利隆; 刘飞; 潘海平; 代传勇; 刘国虎
Original assignee: Shenzhen Honcell Energy Co ltd
Current assignee: Shenzhen Honcell Energy Co ltd
Priority date: 2024-11-25
Filing date: 2024-11-25
Publication date: 2025-12-30
Anticipated expiration: 2034-11-25

Abstract

The utility model discloses a high-safety secondary battery household energy storage module which comprises a box body, wherein a plurality of battery units are arranged in the box body, the battery units are fixed in the box body through insulating pressing strips, positioning columns are arranged on the surfaces of the insulating pressing strips, insulating partition plates are arranged on the positioning columns, and safety protection is realized on the positive electrodes and the negative electrodes of the battery units through the insulating partition plates. The high-safety secondary battery household energy storage module has the characteristics of high safety, convenience in installation and low cost.

Description

High-safety secondary battery household energy storage module

Technical Field

The utility model relates to the technical field of energy storage batteries, in particular to a high-safety secondary battery household energy storage module.

Background

The home energy storage battery module is used for improving the self-sufficiency of home energy, especially in the background of the increasing popularity of renewable energy sources (such as solar energy and wind energy).

In particular, a home energy storage battery module is an integrated battery system, typically consisting of a plurality of battery cells, capable of storing electrical energy from a renewable energy system (such as a solar panel). Its main functions include:

Energy storage, namely storing electric energy when the electric power demand is low or the electric power price is low, so as to be used when the demand peak or the electric power price is high;

And (3) power dispatching, namely intelligently dispatching the use of electric energy according to the power demand and the power price change of the household.

Emergency power supply, namely providing a standby power supply when power fails, and ensuring that the basic power requirement of the family is met.

The components of the household energy storage battery module comprise a battery unit, a Battery Management System (BMS), an inverter and a control system, wherein the battery unit is a main component part of the household energy storage battery module.

The battery cells are assembled in a serial-parallel connection mode, and then are packaged in the box body. And the poles of the battery cells are connected in series and parallel. The positive and negative poles are exposed outside, the distance between the positive and negative poles is short, the box body of the household energy storage package is generally a metal box body, and when in operation, a metal tool is used for locking by using a metal screw, so that the module is easy to short-circuit in the process, and serious potential safety hazards exist.

Disclosure of utility model

The utility model aims to provide a high-safety secondary battery household energy storage module which has the characteristics of high safety, convenience in installation and low cost.

The utility model can be realized by the following technical scheme:

The utility model discloses a high-safety secondary battery household energy storage module which comprises a box body, wherein a plurality of battery units are arranged in the box body, the battery units are fixed in the box body through insulating pressing strips, positioning columns are arranged on the surfaces of the insulating pressing strips, insulating partition plates are arranged on the positioning columns, and safety protection is realized on the positive electrodes and the negative electrodes of the battery units through the insulating partition plates.

Further, the insulating partition plate is a plastic plate, and the plastic plate is formed by injection molding, so that the material source is wide, and the processing cost is low.

Further, the plastic plate is a phenolic resin plate, a PP plate, a PE plate, a PET plate or a PVC plate, and can be flexibly selected according to actual needs.

Further, the number of the positioning columns is a plurality, and the positioning columns are uniformly arranged on the insulating pressing strips at equal intervals, so that the insulating partition plate is effectively fixed, and the integrity of coverage is ensured.

Further, the insulating partition plate is detachably fixed on the positioning column through screws or fixing buckles, so that the installation and fixing operation is simplified.

Further, the number of the battery units is a plurality of, the battery units are formed by assembling battery cores in a serial-parallel connection mode, the structural design is flexible, and the use requirements are met.

Further, the size of the insulating separator is larger than the mounting area of the plurality of battery units and covers the area where the positive electrode and the negative electrode of the battery reaction are located. Effectively ensuring the safety.

Further, the battery core is a square battery core, and the square battery core is an aluminum plastic film battery core or an aluminum shell battery core, so that the battery core is convenient to fixedly mount.

Further, the battery core is a lithium ion battery core, and the lithium ion battery core is a lithium manganate battery core, a lithium cobaltate battery core, a lithium iron phosphate battery core or a ternary material battery core.

Further, the battery core is a sodium ion battery core, and the sodium ion battery core is a polyanion battery core, a layered oxide battery core or a Prussian blue material battery core.

The high-safety secondary battery household energy storage module has the following beneficial effects:

Firstly, the safety is high, the positive and negative poles of the originally exposed battery core are effectively covered and insulated by arranging the positioning column on the pressing strip and mounting the insulating partition plate on the positioning column, so that the short circuit risk is avoided, and the safety of the battery module is effectively improved;

Secondly, the installation is convenient, the installation of the insulating partition plate can be realized only by carrying out the structural design of the positioning column on the original insulating pressing strip, the complex modification of the original box body structure is not required, and the installation convenience is effectively improved;

Thirdly, low cost, the fixed knot of insulating division board is comparatively simple on structural design, and the plastic slab on market can all satisfy insulating requirement on its material selection, effectively reduces its manufacturing and processing cost.

Drawings

FIG. 1 is a schematic diagram of the internal structure of a high-safety secondary battery home energy storage module;

FIG. 2 is a schematic diagram of an insulation layering structure of a high-safety secondary battery home energy storage module;

FIG. 3 is a schematic diagram of an assembled structure of a high-safety secondary battery home energy storage module;

The marks in the drawing comprise 100 parts of a box body, 200 parts of a battery unit, 300 parts of an insulating pressing bar, 301 parts of a positioning column, 400 parts of an insulating partition plate.

Detailed Description

In order to better understand the technical solution of the present utility model, the following describes the product of the present utility model in further detail with reference to examples.

As shown in fig. 1-3, the utility model discloses a high-safety secondary battery household energy storage module, which comprises a box body 100, wherein a plurality of battery units 200 are arranged in the box body 100, the battery units 200 are fixed in the box body 100 through insulating pressing strips 300, positioning columns 301 are arranged on the surfaces of the insulating pressing strips 300, insulating partition plates 400 are arranged on the positioning columns 301, and safety protection is realized on the positive electrodes and the negative electrodes of the battery units 200 through the insulating partition plates 400.

In order to effectively reduce the cost and ensure the insulativity, the insulating partition plate is a plastic plate which is formed by injection molding. Specifically, the plastic plate is a phenolic resin plate, a PP plate, a PE plate, a PET plate or a PVC plate.

In order to effectively ensure the fixing effect and the installation convenience of the insulating partition plate, the number of the positioning columns is a plurality, the positioning columns are uniformly arranged on the insulating pressing strip at equal intervals, and the insulating partition plate is detachably fixed on the positioning columns through screws or fixing buckles.

In order to meet the use requirement, the number of the battery units is a plurality of, and the battery units are formed by assembling battery cores in a serial-parallel connection mode. Specifically, the battery core is a square battery core, and the square battery core is an aluminum plastic film battery core or an aluminum shell battery core.

In order to effectively ensure insulation safety, the size of the insulation separator is larger than the installation area of a plurality of battery units and covers the area where the positive electrode and the negative electrode of the battery reaction are located.

The household energy storage battery module is a lithium ion battery module, the battery core is a lithium ion battery core, and the lithium ion battery core is a lithium manganate battery core, a lithium cobaltate battery core, a lithium iron phosphate battery core or a ternary material battery core.

The household energy storage module can also be a sodium ion battery module, wherein the battery core is a sodium ion battery core, and the sodium ion battery core is a polyanion battery core, a layered oxide battery core or a Prussian blue material battery core.

In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. 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.

The foregoing examples are merely exemplary embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and that these obvious alternatives fall within the scope of the utility model.

Claims

1. The utility model provides a high security's secondary cell energy storage module at home, includes the box, be provided with a plurality of battery unit, its characterized in that in the box: the battery unit is fixed inside the box through an insulating pressing strip, a positioning column is arranged on the surface of the insulating pressing strip, an insulating partition plate is arranged on the positioning column, and safety protection is achieved on the anode and the cathode of the battery unit through the insulating partition plate.

2. The high-safety secondary battery home energy storage module as set forth in claim 1, wherein said insulating partition plate is a plastic plate formed by injection molding.

3. The high-safety secondary battery household energy storage module as claimed in claim 2, wherein the plastic plate is a phenolic resin plate, a PP plate, a PE plate, a PET plate or a PVC plate.

4. The high-safety secondary battery household energy storage module as set forth in claim 3, wherein the number of said positioning posts is several, and the positioning posts are uniformly spaced and arranged on the insulating pressing bar at equal heights.

5. The high-safety household energy storage module of secondary battery according to claim 4, wherein the insulating partition plate is detachably fixed on the positioning column through screws or fixing buckles.

6. The high-safety secondary battery household energy storage module as claimed in claim 5, wherein the number of the battery units is a plurality of the battery units, and the plurality of the battery units are formed by assembling battery cores in a serial-parallel connection mode.

7. The high-safety secondary battery household energy storage module as set forth in claim 6, wherein the insulating separator plate has a size larger than the mounting areas of the plurality of battery cells and covers the area where the positive electrode and the negative electrode of the battery reaction are located.

8. The high-safety secondary battery household energy storage module as claimed in claim 7, wherein the battery core is a square battery core, and the square battery core is an aluminum plastic film battery core or an aluminum shell battery core.

9. The high-safety secondary battery household energy storage module as set forth in claim 8, wherein the battery core is a lithium ion battery core, and the lithium ion battery core is a lithium manganate battery core, a lithium cobaltate battery core, a lithium iron phosphate battery core or a ternary material battery core.

10. The high-safety secondary battery home energy storage module as set forth in claim 8, wherein said battery cell is a sodium ion battery cell, and said sodium ion battery cell is a polyanion battery cell, a layered oxide battery cell or a Prussian blue material battery cell.