CN103390730A

CN103390730A - Housing structure for containing multiple square secondary cells

Info

Publication number: CN103390730A
Application number: CN201210142652XA
Authority: CN
Inventors: 伍必翔
Original assignee: ELECTRIC Co Ltd
Current assignee: Energy Control Ltd; ELECTRIC Co Ltd
Priority date: 2012-05-09
Filing date: 2012-05-09
Publication date: 2013-11-13

Abstract

The invention discloses a housing structure for containing multiple square secondary cells. A first arrangement surface and a second arrangement surface inside the housing structure are provided with multiple containing grooves, one spacer block is arranged between every two adjacent containing grooves for separation; a rectangular space between two opposite containing grooves respectively on the first arrangement surface and the second arrangement surface is defined as an arrangement tank, and a rectangular space between two opposite spacer blocks respectively on the first arrangement surface and the second arrangement surface is defined as a deformation tank; each square secondary cell is accommodated and installed, via two side faces, into the two containing grooves of each arrangement tank, is limited by the spacer blocks, and can be firmly located in the housing structure without random movements; the width of the deformation tanks of the housing structure is designed to be greater than or equal to 2/5 of the thickness of the square secondary cells; when two adjacent square secondary cells simultaneously break down to cause shell expansion, other square secondary cells can be avoided to be squeezed.

Description

Install the shell structure of a plurality of rectangular secondary cells

Technical field

The present invention relates to a kind of article-storage device, particularly relate to the shell structure of the accommodating a plurality of rectangular secondary cells of a kind of energy.

Background technology

Comparatively widely used secondary cell at present, its outward appearance can manufacture cylinder type or rectangle block usually, the secondary cell of this rectangle block, industrial circle is used to be called: rectangular secondary cell.If aforementioned rectangular secondary cell is during as high-capacitance output purposes, usually can be with a plurality of rectangular secondary cell concentrated settings in a housing, then link and use.

As shown in Figure 1, existing a plurality of rectangular secondary cells 10, be closely aligned and be arranged in a housing 11.It is mainly considered, but the utilization rate of one side room for promotion can avoid space to cause rectangular secondary cell 10 to be shifted and the danger of derivative line short arbitrarily on the other hand.

It should be noted that, when aforementioned rectangular secondary cell 10, when outside batteries or internal short circuit fault occur, the phenomenon that shell expands can occur in rectangular secondary cell 10, existing rectangular secondary cell 10 is when design, namely envision this situation, the two side faces of rectangular secondary cell 10 is designed to deformation plance 12, during as fault, casing deformation is to discharge the use of cell internal pressure.Yet as shown in Figure 2, when the rectangular secondary cell 10 of close-packed arrays in housing 11 broke down, the casing deformation face 12 of expansion had pushed adjacent normal rectangular secondary cell 101, often caused in housing other rectangular secondary cells to be extruded and produced fault.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of shell structure of installing a plurality of rectangular secondary cells and breaks down shell while expanding at rectangular secondary cell, can avoid other normal rectangular secondary cells generation fault that is squeezed.

The shell structure of a plurality of rectangular secondary cells of installing of the present invention, in order to the described rectangular secondary cell of Qi Zhong ︰ of a plurality of rectangular secondary cell person of accommodating installing, for the rectangle block, one end face forming is an end face, described end face has an anodal cartridge and a negative pole head, with respect to the other end of described end face, is configured as a bottom surface, is formed with two corresponding sides and two corresponding deformation plances between described end face and bottom surface; The housing of described Assembled battery, inside forms an accommodation space, two relative walls in described accommodation space respectively are shaped to one first group and establish face and one second group and establish face, and described first, second group establishes on face that respectively to form a plurality of appearances recessed, separates mutually with a spacer block between two adjacent described appearances are recessed; Described first, second group establish face relative two hold recessed between formed coffin be defined as one groove be set, the coffin that described first, second group is established between relative two spacer blocks of face is defined as a deformation groove, described each rectangular secondary cell with described two side faces be located in described arrange two of groove hold recessed in; Wherein:

The distance that the deformation plance of two adjacent rectangular secondary cells is separated by, be defined as the width of described deformation groove, the distance of two deformation plances of described rectangular secondary cell, be defined as the thickness of described rectangular secondary cell, and the width of described deformation groove is more than or equal to 2/5 described rectangular secondary cell thickness.

The present invention is designed to thickness B more than or equal to 2/5 rectangular secondary cell with the deformation well width A of housing, that is: A＞=2/5B, by this,, when two adjacent rectangular secondary cells break down shell while expanding simultaneously, can avoid other normal rectangular secondary cells generation fault that is squeezed.

Description of drawings

The present invention is further detailed explanation below in conjunction with accompanying drawing and embodiment:

Fig. 1 is a kind of Assembled battery structural representation of existing accommodating a plurality of rectangular secondary cells.

Fig. 2 is the rectangular secondary cell fault swelling state schematic diagram of Fig. 1.

Fig. 3 is perspective exploded view of the present invention.

Fig. 4 is bonding state schematic diagram of the present invention.

Fig. 5 is the rectangular secondary cell fault swelling state schematic diagram of Fig. 4.

Description of reference numerals

10, the 101,20,201, the 202nd, rectangular secondary cell

11, the 30th, housing 12,24,241,242, the 243rd, deformation plance

The 21st, end face 211 is anodal cartridges

The 212nd, negative pole head 22 is bottom surfaces

The 23rd, side

31 are first group establishes face

32 be second group establish face 33 be hold recessed

The 34th, spacer block

The 40th, it is the deformation groove that groove 50 is set

A is that width B is thickness

Embodiment

As shown in Figure 3, the shell structure of a plurality of rectangular secondary cells of installing that one embodiment of the invention provides, described housing is in order to a plurality of rectangular secondary cell persons of accommodating installing, Qi Zhong ︰

Rectangular secondary cell 20, for the rectangle block, one end face forming is an end face 21, end face 21 has an anodal cartridge 211 and a negative pole head 212, other end with respect to end face 21 is configured as a bottom surface 22, between end face 21 and bottom surface 22, be formed with the side 23 of two correspondences and the deformation plance 24 of two correspondences;

The housing 30 of Assembled battery, inside forms an accommodation space, two relative walls in described accommodation space respectively are shaped to one first group and establish face 31 and one second group and establish face 32, first, second group establishes on

face

31,32 that respectively to form a plurality of appearances recessed 33, and adjacent two separate mutually with a spacer block 34 between holding recessed 33; First, second group establish

face

31,32 relative two hold recessed 33 between formed coffin be defined as one groove 40 be set, the coffin that first, second group is established between face 31, relative two spacer blocks 34 of 32 is defined as a deformation groove 50, each rectangular secondary cell 20, with two side faces 23, is located in two appearances recessed 33 that groove 40 is set;

As shown in Figure 4, the distance that two adjacent rectangular secondary cells 201,202 deformation plance 241,242 are separated by in the present invention, be defined as the width A of deformation groove 50, two deformation plances 241 of rectangular secondary cell 201,243 distance, be defined as the thickness B of rectangular secondary cell 201, the width A of deformation groove 50 is more than or equal to 2/5 rectangular secondary cell 201 thickness B, that is: A＞=2/5B.

The above is structure and the configuration explanation thereof of each main member of the embodiment of the present invention, occupation mode and effect thereof as for the embodiment of the present invention, as shown in Figure 3, when each rectangular secondary cell 20 is arranged at housing 30, the 23 end angles, side of rectangular secondary cell 20 just are embedded at and hold in recessed 33, rectangular secondary cell 20 integral body are positioned at groove 40 are set, and rectangular secondary cell 20 is subject to the restriction of spacer block 34, can be firm be positioned at housing 30 and can not move arbitrarily.

As shown in Figure 5, show in Fig. 4 the situation that breaks down two adjacent rectangular secondary cells 201,202 shell expands, in the ordinary course of things, when rectangular secondary cell 201 breaks down the shell expansion, the protrusion amplitude of rectangular secondary cell 201 1 side deformation plances 241 is about 1/5 thickness B, and the width A of deformation groove 50 is more than or equal to the thickness B of 2/5 rectangular secondary cell 201.Therefore, in the present invention, as shown in Figure 5, shell expands even adjacent two rectangular secondary cells 201,202 break down simultaneously, rectangular secondary cell 201,202 deformation plance 241,242,243 protrude towards deformation groove 50, width A in deformation groove 50 be able to accommodating two adjacent rectangular secondary cells 201,202 deformation plance 241,242 protrusion amplitudes, avoid other the normal rectangular secondary cells in housing to be affected.

Below through the specific embodiment and the embodiment the present invention is had been described in detail, but these not are construed as limiting the invention.Without departing from the principles of the present invention, those skilled in the art also can make many distortion and improvement, and these also should be considered as protection scope of the present invention.

Claims

One kind the installing a plurality of rectangular secondary cells shell structure, in order to a plurality of rectangular secondary cell persons of accommodating installing, wherein: described rectangular secondary cell, for the rectangle block, one end face forming is an end face, described end face has an anodal cartridge and a negative pole head, with respect to the other end of described end face, is configured as a bottom surface, is formed with two corresponding sides and two corresponding deformation plances between described end face and bottom surface; The housing of described Assembled battery, inside forms an accommodation space, two relative walls in described accommodation space respectively are shaped to one first group and establish face and one second group and establish face, and described first, second group establishes on face that respectively to form a plurality of appearances recessed, separates mutually with a spacer block between two adjacent described appearances are recessed; Described first, second group establish face relative two hold recessed between formed coffin be defined as one groove be set, the coffin that described first, second group is established between relative two spacer blocks of face is defined as a deformation groove, described each rectangular secondary cell with described two side faces be located in described arrange two of groove hold recessed in; It is characterized in that:

The distance that the deformation plance of two adjacent rectangular secondary cells is separated by, be defined as the width of described deformation groove, the distance of two deformation plances of described rectangular secondary cell, be defined as the thickness of described rectangular secondary cell, and the width of described deformation groove is more than or equal to 2/5 described rectangular secondary cell thickness.