CN206180061U

CN206180061U - Battery module structure

Info

Publication number: CN206180061U
Application number: CN201621258279.4U
Authority: CN
Inventors: 雷宝灵; 王敬波; 陈好
Original assignee: Shenzhen OptimumNano Energy Co Ltd
Current assignee: Shenzhen OptimumNano Energy Co Ltd
Priority date: 2016-11-10
Filing date: 2016-11-10
Publication date: 2017-05-17
Anticipated expiration: 2026-11-10

Abstract

The utility model provides a battery module structure, construct and heat radiation structure including battery module, fixed knot, the battery module includes a plurality of parallel configuration's battery cell, fixed knot constructs including acceping seat and a plurality of base, accept the stationary ladle and draw together a plurality of accommodating unit, accommodating unit has accommodating space, every base correspondence is acceptd in an accommodating unit and the accepting hole has been seted up to every base, heat radiation structure is including heat exchanger and the heating panel of loosing, scattered heat exchanger's edge is formed with protruding edge, scattered heat exchanger set up in accept the seat one end, just accept the seat support to lean on in protruding edge is last, and every battery cell's one end correspondence is acceptd in an accepting hole, the other end support to lean on in on the scattered heat exchanger, the heating panel set up in scattered heat exchanger keeps away from the battery module one on the surface and with the heat exchanger that looses contacts. The utility model provides a battery module structure, heat radiation structure is simple, the heat dissipation is even and the radiating efficiency is high.

Description

A kind of battery module structure

【Technical field】

The utility model is related to cell art, more particularly to a kind of battery module structure.

【Background technology】

Electrokinetic cell is the core energy storage device of each electronic product, generally multiple cells is carried out into connection in series-parallel and is formed Battery modules, to reach the electricity and voltage of all kinds of required by electronic product.However, a cell is in discharge and recharge in battery modules When can produce substantial amounts of heat, if heat it is quick, it is uniform discharge, the temperature for causing individual monomers battery is risen, mistake Uneven Temperature Distribution will cause battery cycle life to decline in high temperature and battery modules, while also affecting battery pack Efficiency for charge-discharge.

Traditional cooling mode is mainly free air cooling and liquid cooling, wherein air cooling, because of cell row Cloth is closeer, and windage is big, and the cell radiating effect positioned at centre is poor, and battery modules internal-external temperature difference is big, affects battery to make With efficiency and life-span；Although liquid cooling radiating efficiency is high, radiator structure is huge, complicated, high cost, while liquid is let out Danger, the reliability of leaking out is relatively low.

In consideration of it, real be necessary to provide a kind of new battery module structure to overcome disadvantages described above.

【Utility model content】

The purpose of this utility model is to provide the battery modules that a kind of radiator structure is simple, radiating is uniform and radiating efficiency is high Structure.

To achieve these goals, the utility model provides a kind of battery module structure, including battery modules, fixed structure And radiator structure；The battery modules include the cell of multiple laid out in parallel；The fixed structure includes holding seat and many Individual base, the holding seat includes multiple accepting units, and the accepting unit has receiving space；Each base correspondence is contained in One accepting unit is interior and each base offers accepting hole；The radiator structure includes heat dissipating housing and heat sink, the radiating The edge of cover is formed with convex edge, and the heat dissipating housing is arranged at one end of the holding seat, and the holding seat be resisted against it is described convex Along upper, one end correspondence of each cell is contained in an accepting hole, and the other end is resisted against on the heat dissipating housing；It is described to dissipate Hot plate is arranged on the surface away from the battery modules of the heat dissipating housing and contacts with the heat dissipating housing.

In a preferred embodiment, the cell is for cylindric, the cell include positive terminal and with The relative negative pole end of the positive terminal, the positive terminal is contained in the accepting hole, and the negative pole end is resisted against the radiating On cover.

In a preferred embodiment, the accepting unit is hollow column structure, and the accepting unit has top The face bottom surface relative with top surface and the side wall of the connection top surface and bottom surface, the side wall surrounds the receiving space.

In a preferred embodiment, the accepting unit is hexa-prism, and adjacent accepting unit is adjacent to each other, altogether With the cellular holding seat of composition.

In a preferred embodiment, the accepting hole is circle, and the diameter of the accepting hole corresponds to the monomer The diameter of battery.

In a preferred embodiment, the quantity of the base and the quantity of accepting unit are corresponding, both correspond to described The quantity of cell.

In a preferred embodiment, the heat dissipating housing is made up of heat conductive rubber.

In a preferred embodiment, the heat sink is graphite film.

In a preferred embodiment, also including base plate, the base plate is aluminium sheet, is arranged at the heat sink away from institute State the side of heat dissipating housing and contact with the heat sink.

In a preferred embodiment, the base is further opened with connecting the through hole of the accepting hole, and the through hole is Circle, and diameter with the accepting hole less than the accepting hole and being coaxially disposed.

Compared to the battery module structure that prior art, the utility model are provided, it is provided with by the bottom surface in holding seat Heat dissipating housing and heat sink, the operationally produced heat of cell efficiently, are uniformly shed, it is ensured that in cell In charge and discharge process, the temperature of cell is maintained in the temperature range of a very little, and security performance is high；Also, radiate knot Structure is simple, convenient to carry out and beneficial to lightweight structure design.

【Description of the drawings】

The schematic perspective view of the battery module structure that Fig. 1 is provided for the utility model；

The cross-sectional schematic of the battery module structure that Fig. 2 is provided for the utility model；

The cell of the battery module structure that Fig. 3 is provided for the utility model and the assembling schematic perspective view of base.

【Specific embodiment】

In order that the purpose of this utility model, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with attached Figure and specific embodiment, are further elaborated to the utility model.It should be appreciated that described in this specification Specific embodiment is not intended to limit the utility model just for the sake of explaining the utility model.

Fig. 1 and Fig. 2 is referred to, the battery module structure 100 that the utility model is provided includes battery modules 10, fixed structure 20 and radiator structure 30.

The battery modules 10 include the cell 11 of multiple laid out in parallel, and the cell 11 is cylindric, institute Cell 11 is stated including two ends, i.e. positive terminal 111 and the negative pole end 112 relative with the positive terminal 111.Specifically, it is described The positive pole of cell 11 is provided with positive terminal 111.

The fixed structure 20 includes holding seat 21 and multiple bases 22.

The holding seat 21 includes multiple accepting units 211, and adjacent accepting unit 211 adjoins each other and constitutes the collecting Seat 21.The accepting unit 211 is hollow column structure, and the accepting unit 211 has top surface 2111 and the phase of top surface 2111 To bottom surface 2112 and connect the side wall 212 of the top surface 2111 and bottom surface 2112, the side wall 212 surrounds receiving space 213. The top surface of all accepting units 211 is the top surface of holding seat 21, and the bottom surface of all accepting units 211 is the top of the holding seat 21 Face.In present embodiment, the accepting unit 211 is hexa-prism, and adjacent accepting unit 211 is adjacent to each other, collectively forms Cellular holding seat 21.

The quantity of the base 22 is corresponding with the quantity of accepting unit 211, both corresponds to the quantity of the cell 11. One correspondence of base 22 is contained in an accepting unit 211.Specifically, the base 22 is contained in the receiving space 213 It is interior, and positioned near one end of the top surface 2111.Such as Fig. 3, the base 22 offers accepting hole 221 and connection accepting hole Through hole 222, the correspondence of positive terminal 111 of a cell 11 is contained in an accepting hole 221, and the positive terminal 111 It is fixed in the accepting hole 221.Specifically, the accepting hole 221 is circle, and the diameter of the accepting hole 221 corresponds to institute State the diameter of cell 11.The through hole 222 for circle, and diameter less than the accepting hole 221 and with the accepting hole 221 It is coaxially disposed.The positive terminal 111 can pass through the circuit board (not shown) that through hole 222 is electrically connected to outside.

The radiator structure 30 includes heat dissipating housing 31 and heat sink 32.

The heat dissipating housing 31 is platy structure, and the edge of the heat dissipating housing 31 is formed with convex edge 311, and the heat dissipating housing 31 sets One end of the close described bottom surface 2112 of the holding seat 21 is placed in, and the bottom surface 2112 is resisted against on the convex edge 311, institute State the negative pole end 112 of cell 11 to be resisted against on the heat dissipating housing 31.Specifically, the heat dissipating housing 31 is heat-conducting interface material system Into for example heat conductive rubber is made, and heat-conducting interface material has high thermal conductivity and pliability, and the heat dissipating housing 31 can absorb The difference in height of different monomers battery 11, fills the space of the negative pole end 112 of cell 11, greatly reduces thermal contact resistance, improves Heat dispersion；Meanwhile, heat-conducting interface material has good insulating properties, it is ensured that cell 11 is exhausted with other elements Edge performance.

The heat sink 32 is arranged at the lower section of the heat dissipating housing 31, i.e., described heat sink 32 is arranged at the heat dissipating housing 31 The surface away from the battery modules 10 on and contact with the heat dissipating housing 31.Specifically, the heat sink is graphite film, Its thermal resistance is low, light weight, easy processing, the super-high heat-conductive performance with more than 2000W/mK, Homogeneouslly-radiating excellent in plane.

The battery module structure 100 that the utility model is provided also includes base plate 40, and in present embodiment, the base plate 40 is Aluminium sheet, is arranged at the heat sink 32 and contacts away from the side of the heat dissipating housing and with the heat sink 32, as electric automobile The gripper shoe of vehicle body.The one side of base plate 40 plays protection and fixation to battery modules 10, on the other hand will can also transmit Heat to heat sink 32 is further efficiently sent in outside air.

The utility model provide battery module structure 100, by the bottom surface of holding seat 21 be provided with heat dissipating housing 31 and Heat sink 32, the operationally produced heat of cell 11 efficiently, is uniformly shed, it is ensured that fill in cell 11 In discharge process, the temperature of cell 11 is maintained in the temperature range of a very little, and security performance is high；Also, radiate knot The simple structure of structure 30, it is convenient to carry out and beneficial to lightweight structure design.

The utility model is not restricted to described in specification and embodiment, therefore for the personnel of familiar field For be easily achieved additional advantage and modification, therefore in the universal limited without departing substantially from claim and equivalency range Spirit and scope in the case of, the utility model be not limited to specific details, representational equipment and shown here as with retouch The examples shown stated.

Claims

1. a kind of battery module structure, it is characterised in that：Including battery modules, fixed structure and radiator structure；The battery mould Group includes the cell of multiple laid out in parallel；The fixed structure includes holding seat and multiple bases, and the holding seat includes Multiple accepting units, the accepting unit has receiving space；Each base correspondence is contained in an accepting unit and each Base offers accepting hole；The radiator structure includes heat dissipating housing and heat sink, and the edge of the heat dissipating housing is formed with convex edge, institute One end that heat dissipating housing is arranged at the holding seat is stated, and the holding seat is resisted against on the convex edge, the one of each cell End correspondence is contained in an accepting hole, and the other end is resisted against on the heat dissipating housing；The heat sink is arranged at the heat dissipating housing The surface away from the battery modules on and contact with the heat dissipating housing.

2. battery module structure as claimed in claim 1, it is characterised in that：The cell is cylindric, the monomer Battery includes positive terminal and the negative pole end relative with the positive terminal, and the positive terminal is contained in the accepting hole, described negative Extremely it is resisted against on the heat dissipating housing.

3. battery module structure as claimed in claim 2, it is characterised in that：The accepting unit is hollow column structure, The accepting unit has the top surface bottom surface relative with top surface and connects the side wall of the top surface and bottom surface, and the side wall is surrounded The receiving space.

4. battery module structure as claimed in claim 3, it is characterised in that：The accepting unit is hexa-prism, adjacent Accepting unit is adjacent to each other, collectively forms cellular holding seat.

5. battery module structure as claimed in claim 4, it is characterised in that：The accepting hole is circle, the accepting hole Diameter of the diameter corresponding to the cell.

6. battery module structure as claimed in claim 5, it is characterised in that：The quantity of the base and the quantity of accepting unit Correspondence, both corresponds to the quantity of the cell.

7. battery module structure as claimed in claim 6, it is characterised in that：The heat dissipating housing is made up of heat conductive rubber.

8. battery module structure as claimed in claim 7, it is characterised in that：The heat sink is graphite film.

9. battery module structure as claimed in claim 1, it is characterised in that：Also include base plate, the base plate is aluminium sheet, is arranged Contact away from the side of the heat dissipating housing and with the heat sink in the heat sink.

10. battery module structure as claimed in claim 1, it is characterised in that：The base is further opened with connecting the collecting The through hole in hole, the through hole is circle, and diameter is coaxially disposed less than the accepting hole and with the accepting hole.