CN2739810Y

CN2739810Y - Square battery having ventilating and cooling structure

Info

Publication number: CN2739810Y
Application number: CN 200420069154
Authority: CN
Inventors: 杨毅夫; 杨克辉; 孙英婴; 李方
Original assignee: Hunan Shenzhou Science & Technology Co Ltd
Current assignee: Hunan Shenzhou Science & Technology Co Ltd
Priority date: 2004-11-12
Filing date: 2004-11-12
Publication date: 2005-11-09
Anticipated expiration: 2014-11-12

Abstract

The utility model discloses a square battery having a ventilating and cooling structure. Two larger side surfaces corresponding to the monomer battery of the square battery having a ventilating and cooling structure are respectively provided with a ventilating slot which is through up and down; a plurality of monomer batteries are successively superimposed and arranged to be module batteries regarding the larger surfaces as the adjacent surfaces; the module batteries are connected together through fixed parts; a rigid positioning case comprises a case body and an upper cover; the lower part of one end of the case body is provided with a ventilating opening; the interior of the case body is provided with one group or more than one group of the rigid support rods, and one end of each rigid support rod is positioned above the ventilating opening of the case body and is a higher end; an included angle between the rod body and the bottom surface of the case body is 0-30 degrees; a plurality of module batteries are mounted in the case body and form a battery; the upper part of the side wall of the case body and the upper part of the end plate of the case body corresponding to the ventilating opening are provided with ventilating holes. The external shape structure of the monomer battery and the integral ventilating and cooling of the battery can be integrally manufactured through the utility model; as the close combining arrangement of the monomer battery is used, the problem that as the ventilating current in the battery is non-uniformly distributed, the ventilating and the heat extraction of the monomer battery are non-uniform, and the temperature rise of the battery is inconsistent is effectively solved.

Description

A kind of prismatic batteries that is provided with the ventilation cooling structure

Technical field

The utility model relates to electrokinetic cell, further is meant the ventilation cooling structure of prismatic cell group.

Background technology

Along with the continuous progress of high-performance electrokinetic cell research and development, its product reaches its maturity, and application constantly enlarges; Because the operating current (comprise charging and discharge) of electrokinetic cell in many application is big, the battery heating is more serious, and the heating of battery can influence the normal performance of battery performance, so battery pack should have good performance of heat dissipation, therefore designing corresponding ventilation cooling structure, is the necessary technology measure.

The utility model content

The technical problems to be solved in the utility model is, a kind of prismatic batteries that is provided with the ventilation cooling structure is proposed, the integral body ventilation Cooling Design of cell profile and battery pack is integrated, and take cell closely to arrange, make battery pack apoplexy flow distribution even, each cell heat extraction is even, temperature rise is consistent thereby make.

Technical solution of the present utility model is, the described prismatic batteries that is provided with the ventilation cooling structure comprises cell, its design feature is, two larger side faces of described cell correspondence are equipped with the ventilation slot of up/down perforation, two or two above cells are the superimposed successively modular battery that is arranged in of adjacent surface with described larger side face, form the air guide channel of being made up of the ventilation slot of the described up/down perforation of correspondence thus in this modular battery between every adjacent two cells, described modular battery is connected into integral body by the two end plates that the biside plate and the adjacent surface of correspondence is provided with corresponding up/down perforation ventilation slot; Rigidity location case is made up of casing and loam cake, casing one end bottom is provided with ventilating opening (generally being made as air inlet), on the other end top of casing or the sidewall of casing be provided with another ventilating opening and (generally be made as air outlet, this ventilating opening also can open with the casing section on 1 another ventilating opening opposite above or be located at box side top), be provided with a group or more non-yielding prop bar in the casing, every group of non-yielding prop bar by two side by side and distance form with the corresponding to non-yielding prop bar of modular battery length, one end of described non-yielding prop bar is positioned at casing ventilating opening top and is higher-end, the other end of non-yielding prop bar is positioned at casing ventilating opening below and is than low side, and the cramp bar body of rod becomes 0-30 ° of angle with tank floor.A plurality of modular batteries are installed in the casing two ends of forming battery pack and each modular battery and are installed on the two adjacent non-yielding prop bars of non-yielding prop bar group with the securing member sealing and fixing respectively, and each is organized on the non-yielding prop bar between adjacent two modular batteries and end module battery and the cabinet wall and is tight arrangement.

Below make and further specifying.

Referring to Fig. 1, the utility model comprises cell 1, its design feature is, two larger side faces of described cell 1 correspondence are equipped with the ventilation slot 2 (ventilation slot can be designed to strip, lattice-like or other structures) of up/down perforation, more than two or two (for example two to ten, or more) cell 1 is the superimposed successively modular battery (referring to Fig. 2) that is arranged in of adjacent surface with described larger side face, forms the air guide channel of being made up of the ventilation slot 2 of the described up/down perforation of correspondence 9 (referring to Fig. 3) thus in this modular battery between every adjacent two cells 1; Shown in Fig. 2,3,4, described modular battery is connected into integral body by the two end plates that the two or more side plates 10,11 and the adjacent surface of correspondence is provided with corresponding up/down perforation ventilation slot 12; Referring to Fig. 5 and Fig. 6, rigidity location case is made up of casing 17 and loam cake 18, casing 17 1 end bottoms are provided with ventilating opening 21 (generally being made as air inlet), on the other end top of casing or the sidewall of casing be provided with another ventilating opening 22 and (generally be made as air outlet, this ventilating opening also can open with the casing section on ventilating opening 21 opposites above or be located at box side top), be provided with a group or more non-yielding prop bar in the casing 17, every group of non-yielding prop bar by two side by side and distance and the corresponding to non-yielding prop bar 19 of modular battery length, 20 form, difference according to battery module weight, when using heavier battery module, also can between the adjacent supports bar, auxiliary support bar be set the width by modular battery; One end of described non-yielding prop bar 19,20 is positioned at casing ventilating opening 21 tops and is higher-end, the other end of non-yielding prop bar is positioned at casing ventilating opening below and is than low side, and the support bar body of rod becomes 0-30 ° of angle with casing 17 bottom surfaces, a plurality of modular batteries are installed in the casing 17 two ends of forming battery pack and each modular battery and are installed on the two adjacent non-yielding prop bars of non-yielding prop bar group with the securing member sealing and fixing respectively, and each is organized on the non-yielding prop bar between adjacent two modular batteries and end module battery and the cabinet wall and is tight arrangement.

In the utility model, referring to Fig. 1, in order to make a plurality of cell 1 more convenient superimposed exactly modular batteries that are arranged in, can locating convex block 4 and location hole 8 be set respectively and location hole 8 and locating convex block 4 be set respectively at 1 one larger side faces of described cell in the corresponding position of its another larger side face.

Can form firm integral body in order to make modular battery, upper limit raised line 5 and lower limit raised line 3 can be set respectively in two smaller sides of cell 1 correspondence, and make described side plate 10 or 11 just in time therebetween (according to varying in size of battery, for bigger battery, two or more spacing raised line can be set on the battery cell smaller sides, correspondingly, the side plate 10 that the fastened die block battery is used or 11 can be more than one, as two etc.).

Design principle of the present utility model is that a plurality of cells 1 connect to form modular battery, place a plurality of modular batteries of rigidity location case to be connected to become battery pack; Described a plurality of modular batteries are installed in the case of rigidity location by described structure, can make it obtain secure fixation, and the bottom and the top portion of the battery pack rigidity being located case by battery pack are divided into two spaces, entering the air that plays the cooling heat dissipation effect in the casing can only circulate from the air guide channel between adjacent two cells, thereby has effectively guaranteed the radiating effect of battery; When cooling air was forced to import in the case by blower fan after, its air-flow was flowed from bottom to top by air guide channel; Ventilation hole from the ventilating opening of air intake to air-out, windage was consistent when wind flow through at the air guide channel of arbitrary cell, thereby guaranteed that the arbitrary cell in the entire cell array is identical by the amount of cooling water that cooling air produced, be able to effectively reduce and balanced heat radiation with the temperature that guarantees all cells.

As known from the above, the utility model is a kind of prismatic batteries that is provided with the ventilation cooling structure, it is with the contour structures of cell and being made of one of the integral body ventilation cooling design of battery pack, take the solid matter row combination of cell, it is inhomogeneous and cell ventilation heat extraction that cause is inhomogeneous, finally cause the inconsistent problem of battery temperature rise to efficiently solve battery pack apoplexy flow distribution.

Description of drawings

Fig. 1 is the cell stereochemical structure of a kind of embodiment;

Fig. 2 is in the modular battery of a kind of embodiment, the three-dimensional structure diagram of biside plate and two end plates and the separated attitude of battery;

Fig. 3 is the modular battery that shows bottom air guide channel structure;

Fig. 4 is a kind of overall structure of embodiment modular battery;

Fig. 5 is rigidity location case (built-in two modular batteries and the modular battery of the remainder do not draw) structure of a kind of embodiment;

Fig. 6 is that the A-A of device shown in Figure 5 is to the sectional structure schematic diagram.

In the drawings:

The 1-cell, the ventilation slot of 2-up/down perforation,

3-lower limit raised line, the 4-locating convex block,

5-upper limit raised line, 6, the 7-electrode,

The 8-location hole, the 9-air guide channel,

10,11-side plate, 12-up/down perforation ventilation slot,

13,14-end plate, the 15-electrode connecting plate,

The 16-electrode hood, the 17-casing,

The 18-loam cake, 19,20-non-yielding prop bar,

21,22-ventilating opening.

Embodiment

According to the utility model battery pack of accompanying drawing and said structure, constitute a modular battery by 11 square Ni-MH battery monomers of 8Ah, place two row, seven modular batteries of every row in the casing 17; The up/down perforation ventilation slot of cell as shown in Figure 1; Rigidity location case is made of steel, and non-yielding prop bar and tank floor angle are 15 °.

Claims

1, a kind of prismatic batteries that is provided with the ventilation cooling structure, it comprises cell (1), it is characterized in that, the two larger side faces that described cell (1) is corresponding are equipped with the ventilation slot (2) of up/down perforation, two or two above cells (1) are the superimposed successively modular battery that is arranged in of adjacent surface with described larger side face, form the air guide channel of being made up of the ventilation slot (2) of the described up/down perforation of correspondence (9) thus in this modular battery between every adjacent two cells (1), described modular battery is by two or more side plates (10 of correspondence, 11) and the adjacent surface two end plates that is provided with corresponding up/down perforation ventilation slot (12) be connected into integral body; Rigidity location case is made up of casing (17) and loam cake (18), casing (17) one end bottoms are provided with ventilating opening (21), be provided with another ventilating opening (22) on the other end top of casing or the sidewall of casing, be provided with a group or more non-yielding prop bar in the casing (17), every group of non-yielding prop bar by two side by side and distance and the corresponding to non-yielding prop bar (19 of modular battery length, 20) form, described non-yielding prop bar (19,20) a end is positioned at casing ventilating opening (21) top and is higher-end, the other end of non-yielding prop bar is positioned at casing ventilating opening below and is than low side, and the support bar body of rod becomes 0-30 ° of angle with casing (17) bottom surface, a plurality of modular batteries are installed in the two ends of forming battery pack and each modular battery in the casing (17) and are installed on the two adjacent non-yielding prop bars of non-yielding prop bar group with the securing member sealing and fixing respectively, and each is organized on the non-yielding prop bar between adjacent two modular batteries and end module battery and the cabinet wall and is tight arrangement.

2, the prismatic batteries that is provided with the ventilation cooling structure according to claim 1, it is characterized in that, locating convex block (4) and location hole (8) are set respectively and location hole (8) and locating convex block (4) are set respectively in the corresponding position of its another larger side face at (1) larger side face of described cell.

3, the prismatic batteries that is provided with the ventilation cooling structure according to claim 1 is characterized in that, two smaller sides corresponding at cell (1) are provided with upper limit raised line (5) and lower limit raised line (3) respectively, and described spacing raised line is two or more.

4, the prismatic batteries that is provided with the ventilation cooling structure according to claim 1 is characterized in that, described ventilation slot (2) is strip, lattice-like.

5, the prismatic batteries that is provided with the ventilation cooling structure according to claim 1 is characterized in that, described ventilating opening (21) is an air inlet, and ventilating opening (22) is an air outlet.

6, the rectangular cell that is provided with the ventilation cooling structure according to claim 1 is characterized in that, described ventilating opening (21) is made as air outlet, and ventilating opening (22) is made as air inlet.

7, the prismatic batteries that is provided with the ventilation cooling structure according to claim 1 is characterized in that, the width by modular battery between the adjacent supports bar is provided with auxiliary support bar.

8, the prismatic batteries that is provided with the ventilation cooling structure according to claim 1 is characterized in that, described ventilating opening (22) is opened with the casing section on ventilating opening (21) opposite top or be located at box side top.