CN108565489A - Thermal conductive silicon rubber cushion and battery modules - Google Patents

Thermal conductive silicon rubber cushion and battery modules Download PDF

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Publication number
CN108565489A
CN108565489A CN201810230251.7A CN201810230251A CN108565489A CN 108565489 A CN108565489 A CN 108565489A CN 201810230251 A CN201810230251 A CN 201810230251A CN 108565489 A CN108565489 A CN 108565489A
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CN
China
Prior art keywords
silicagel pad
silicon rubber
rubber cushion
thermal conductive
conductive silicon
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Granted
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CN201810230251.7A
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Chinese (zh)
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CN108565489B (en
Inventor
韩雷
苏俊松
李树民
劳力
王扬
周鹏
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Sinoev Hefei Technologies Co Ltd
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Sinoev Hefei Technologies Co Ltd
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Priority to CN201810230251.7A priority Critical patent/CN108565489B/en
Publication of CN108565489A publication Critical patent/CN108565489A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6554Rods or plates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

A kind of thermal conductive silicon rubber cushion of present invention offer and battery modules, the thermal conductive silicon rubber cushion include the first silicagel pad, the second silicagel pad and silicagel pad interconnecting piece;Silicagel pad interconnecting piece is fixedly connected with the first silicagel pad and the second silicagel pad respectively, so that the first silicagel pad can be overturn by silicagel pad interconnecting piece relative to the second silicagel pad;Multiple first holes are offered in the first side of first silicagel pad, multiple second holes are offered in the second side of second silicagel pad, the heat distribution situation Corresponding matching for the target object that the distribution situation and size in the first hole are contacted with first side, the heat distribution situation Corresponding matching for the target object that the distribution situation and size in the second hole are contacted with second side.The thermal conductive silicon rubber cushion can make corresponding target object maintain temperature equilibrium, extend the service life of the target object to there are the target objects of temperature difference to carry out targetedly heat conduction processing.

Description

Thermal conductive silicon rubber cushion and battery modules
Technical field
The present invention relates to heat management techniques fields, in particular to a kind of thermal conductive silicon rubber cushion and battery modules.
Background technology
With the fast development of electronic technology, the use of pure electric vehicle or hybrid vehicle is more universal, pure electric vehicle or mixed It closes requirement of the power vehicle to battery system also constantly to improve, the energy of existing battery system derives from battery modules, battery Module is made of multiple single batteries.And will produce amount of heat for each single battery, in charge and discharge process, Mei Gedan It is different in total amount that body battery different parts correspond to the heat generated so that there are temperature differences on single battery, in turn Cause in battery modules that there are different temperature difference situations for different zones.Therefore, for battery modules, how to each monomer Battery carries out heat conduction and heat radiation processing so that each single battery maintains temperature equilibrium, is a particularly important problem.
For now, intact smooth silicon is usually arranged in industry mainstream between radiating subassembly and each single battery Rubber cushion, and in such a way that smooth silicagel pad carries out uniform heat conduction to each position of single battery, realize radiating subassembly to each monomer The radiating treatment of battery.But the smooth silicagel pad in this heat conduction and heat radiation scheme can not eliminate single battery, battery modules even There are problems that the larger temperature difference on entire battery system so that the service life of single battery is not grown.
Invention content
In order to overcome above-mentioned deficiency in the prior art, the purpose of the present invention is to provide a kind of thermal conductive silicon rubber cushion and batteries Module, the thermal conductive silicon rubber cushion can make corresponding mesh to there are the target objects of temperature difference to carry out targetedly heat conduction processing Mark object maintains temperature equilibrium, extends the service life of the target object.
For thermal conductive silicon rubber cushion, the embodiment of the present invention provides a kind of thermal conductive silicon rubber cushion, and the thermal conductive silicon rubber cushion includes the One silicagel pad, the second silicagel pad and silicagel pad interconnecting piece;
The side of the silicagel pad interconnecting piece is fixedly connected with first silicagel pad, and the silicagel pad interconnecting piece is opposite The other side is fixedly connected with second silicagel pad so that first silicagel pad can by the silicagel pad interconnecting piece relative to The second silicagel pad overturning;
Multiple first holes are offered in the first side of first silicagel pad, in the second side of second silicagel pad Offer multiple second holes, distribution situation and size and first side of first hole in first silicagel pad The heat distribution situation Corresponding matching of the target object of face contact, distribution situation of second hole in second silicagel pad And the heat distribution situation Corresponding matching of target object that size is contacted with the second side.
Further, in embodiments of the present invention, above-mentioned first side and the second side are in first silicagel pad Corresponding direction mutually deviates from when being overturn relative to second silicagel pad.
Further, in embodiments of the present invention, multiple first sawtooth, institute have been equally spaced in above-mentioned first side The multiple first sawtooth in first side interval is stated to contact with corresponding target object;
Multiple second sawtooth, the second side interval have been equally spaced in the second side of second silicagel pad The multiple second sawtooth is contacted with corresponding target object.
Further, in embodiments of the present invention, above-mentioned first sawtooth is obliquely arranged in the first side, and edge Direction far from the silicagel pad interconnecting piece extends;
Second sawtooth is obliquely provided in the second side, and along the side far from the silicagel pad interconnecting piece To extension.
Further, in embodiments of the present invention, the shape in above-mentioned first hole include triangle, it is circle, rectangular, oval Any one or more combination during shape, kidney-shaped are poroid;
The shape in second hole include during triangle, circle, rectangular, oval, kidney-shaped are poroid any one or it is more Kind combination.
Further, in embodiments of the present invention, the first hole of part is corresponding with the second hole of part is filled with Heat Conduction Material, The Heat Conduction Material includes at least one of heat-conducting silicone grease, heat conductive insulating casting glue, graphene, foam metal.
For module, the embodiment of the present invention provides a kind of battery modules, the battery modules include multiple single batteries, Liquid cooling flat tube and at least one above-mentioned thermal conductive silicon rubber cushion;
The liquid cooling flat tube includes multiple sub- flat tubes and at least one bending interconnecting piece, and the multiple sub- flat tube is spaced Setting, and accommodation space of the formation for housing single battery between two neighboring sub- flat tube, two neighboring sub- flat tube pass through One bending interconnecting piece connection;
Each thermal conductive silicon rubber cushion corresponds to bending one sub- flat tube of clamping, and is bonded to each other with the sub- flat tube;
The multiple single battery is respectively accommodated in each accommodation space, and the thermal conductive silicon rubber cushion of sub- flat tube corresponding with clamping Contact, so that thermal conductive silicon rubber cushion described in liquid cooling flat tube interval radiates to the multiple single battery.
Further, in embodiments of the present invention, each thermal conductive silicon rubber cushion is bent by silicagel pad interconnecting piece, and is led to The first silicagel pad being fixedly connected with the silicagel pad interconnecting piece and the second silicagel pad is crossed matched sub- flat tube is clamped.
Further, in embodiments of the present invention, the number of above-mentioned thermal conductive silicon rubber cushion is identical as the number of sub- flat tube, It is flat to be bonded the son for the side opposite with first side in the first silicagel pad in thermal conductive silicon rubber cushion corresponding to every sub- flat tube The one side of pipe, the side opposite with second side is bonded the sub- flat tube in the second silicagel pad in the thermal conductive silicon rubber cushion Another side.
Further, in embodiments of the present invention, the single battery that each accommodation space accommodates and the formation receiving are empty Between sub- flat tube on the first side of thermal conductive silicon rubber cushion that is arranged or second side contact.
In terms of existing technologies, thermal conductive silicon rubber cushion provided in an embodiment of the present invention and battery modules have beneficial below Effect:The thermal conductive silicon rubber cushion can make corresponding mesh to there are the target objects of temperature difference to carry out targetedly heat conduction processing Mark object maintains temperature equilibrium, extends the service life of the target object.The thermal conductive silicon rubber cushion includes the first silica gel Pad, the second silicagel pad and silicagel pad interconnecting piece;The side of the silicagel pad interconnecting piece is fixedly connected with first silicagel pad, institute It states the opposite other side of silicagel pad interconnecting piece to be fixedly connected with second silicagel pad, so that first silicagel pad can pass through institute Silicagel pad interconnecting piece is stated to overturn relative to second silicagel pad.Multiple are offered in the first side of first silicagel pad One hole offers multiple second holes in the second side of second silicagel pad, and first hole is in first silicagel pad Distribution situation and the heat distribution situation Corresponding matching of target object that is contacted with the first side of size, described The heat for the target object that distribution situation and size of two holes in second silicagel pad are contacted with the second side Distribution situation Corresponding matching.Wherein described first hole can enable in first silicagel pad with the contact area of corresponding target object Enough ensure to carry out heat conduction to some extent to the corresponding target object different parts, second hole can make second silica gel It can ensure with the contact area of corresponding target object to carry out heat conduction to some extent to the target object different parts on pad, with It eliminates there are the larger temperature difference problem on the target object of temperature difference, corresponding target object is made to maintain equalized temperature shape State extends the service life of the target object.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, present pre-ferred embodiments cited below particularly, And coordinate appended attached drawing, it is described in detail below.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of the claims in the present invention protection domain, for those of ordinary skill in the art, what is do not made the creative labor Under the premise of, it can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is one of the structural schematic diagram of thermal conductive silicon rubber cushion provided in an embodiment of the present invention.
The enlarged diagram that Fig. 2 is I in Fig. 1.
Fig. 3 is the second structural representation of thermal conductive silicon rubber cushion provided in an embodiment of the present invention.
The enlarged diagram that Fig. 4 is II in Fig. 3.
Fig. 5 is the structural schematic diagram of battery modules provided in an embodiment of the present invention.
Fig. 6 is the assembling schematic diagram of single battery, thermal conductive silicon rubber cushion and liquid cooling flat tube in Fig. 5.
The enlarged diagram that Fig. 7 is III in Fig. 6.
Icon:10- battery modules;100- thermal conductive silicon rubber cushions;The first silicagel pads of 110-;The second silicagel pads of 120-;130- silicon Rubber cushion interconnecting piece;111- first sides;The first holes 112-;The first sawtooth of 113-;121- second sides;The second holes 122-;123- Second sawtooth;11- liquid cooling flat tubes;The sub- flat tubes of 101-;102- bends interconnecting piece;12- single batteries.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects It encloses.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage Solution is instruction or implies relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body;It can be mechanical connection, can also be electrical connection;It can be directly connected, it can also be indirect by intermediary It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the present invention.In the absence of conflict, following Feature in embodiment and embodiment can be combined with each other.
Incorporated by reference to referring to FIG. 1 and FIG. 2, wherein Fig. 1 is the structural representation of thermal conductive silicon rubber cushion 100 provided in an embodiment of the present invention One of figure, Fig. 2 is I in Fig. 1 enlarged diagram.In embodiments of the present invention, the thermal conductive silicon rubber cushion 100 can be to existing The target object of temperature difference carries out targetedly heat conduction and handles, and corresponding each position of target object is made to maintain equalized temperature shape State extends the service life of the target object.Wherein, the thermal conductive silicon rubber cushion 100 includes the first silicagel pad 110, the second silica gel Pad 120 and silicagel pad interconnecting piece 130.
In the present embodiment, first silicagel pad 110 and second silicagel pad 120 are rectangular parallelepiped structure, described First silicagel pad 110 is connect by the silicagel pad interconnecting piece 130 with second silicagel pad 120.
Optionally, the silicagel pad interconnecting piece 130 also be rectangular parallelepiped structure, the side of the silicagel pad interconnecting piece 130 with First silicagel pad 110 is fixedly connected, the opposite other side and second silicagel pad on the silicagel pad interconnecting piece 130 120 are fixedly connected, wherein the lateral dimension that is fixedly connected with first silicagel pad 110 of the silicagel pad interconnecting piece 130 with should First silicagel pad 110 is mutually matched, the side ruler that the silicagel pad interconnecting piece 130 is fixedly connected with second silicagel pad 120 It is very little to be mutually matched with second silicagel pad 120.
In the present embodiment, 130 corresponding material of the silicagel pad interconnecting piece is flexible material, first silicagel pad 110 can be overturn by bending the silicagel pad interconnecting piece 130 relative to second silicagel pad 120.It is not being overturn wherein When, first silicagel pad 110 can be in together with second silicagel pad 120 in a plane, and can also form an angle setting, The numberical range of the angle is 0 °~180 °.
In the present embodiment, first silicagel pad 110 includes first side 111, is offered in the first side 111 Multiple first holes 112, first silicagel pad 110 can pass through the multiple first hole 112 when being contacted with target object Distribution situation adjustment and the contact area at each position of the target object, with realize the target object different parts are carried out it is different The heat conduction of degree is handled.The first hole of part 112 wherein in the multiple first hole 112 can be for filling Heat Conduction Material, to increase Heat-conducting effect of strong first silicagel pad 110 in corresponding position.
In the present embodiment, distribution situation of first hole 112 in first silicagel pad 110 and size with The heat distribution situation Corresponding matching for the target object that the first side 111 contacts.Optionally, if the multiple first hole Heat Conduction Material is not filled in 112, it is fewer i.e. more the number in the first hole 112 for being proximate to target object heat concentrated area Distribution density is smaller, and the size in corresponding first hole 112 is smaller, to increase by first silicagel pad 110 and the object body heat The contact area of concentrated area is measured, heat transfer efficiency and heat-conducting effect are improved;If being filled with Heat Conduction Material in first hole 112, It is then bigger more the more i.e. distribution densities of number in the first hole 112 for being proximate to target object heat concentrated area, corresponding the The size in one hole 112 is bigger, to increase by first silicagel pad 110 to described by the Heat Conduction Material in first hole 112 The heat transfer efficiency and heat-conducting effect of target object heat concentrated area.Wherein, the corresponding heat conduction material filled in first hole 112 Material includes at least one of heat-conducting silicone grease, heat conductive insulating casting glue, graphene, foam metal, is filled in the first hole of difference 112 Heat Conduction Material can carry out different settings according to demand so that in first silicagel pad 110 with corresponding target object Contact area can ensure that there are temperature differences for elimination to the corresponding target object different parts progress heat conduction to some extent Larger temperature difference problem on the different corresponding target object makes corresponding target object maintain temperature equilibrium, and extending should The service life of target object.
Similar with first silicagel pad 110, second silicagel pad 120 includes second side 121, the second side Multiple second holes 122 are offered on 121, second silicagel pad 120 can be by described more when being contacted with target object The contact area of the distribution situation adjustment and each position of the target object in a second hole 122, to realize to target object difference Position carries out different degrees of heat conduction processing.The second hole of part 122 wherein in the multiple second hole 122 can lead filling Hot material, the heat-conducting effect with the second silicagel pad 120 of enhancing in corresponding position.
In the present embodiment, distribution situation of second hole 122 in second silicagel pad 120 and size with The heat distribution situation Corresponding matching for the target object that the second side 121 contacts.Wherein specific point of second hole 122 Cloth situation and size can refer to above to the detailed description in the first hole 112, just not discuss one by one herein.Wherein, institute The Heat Conduction Material for stating corresponding filling in the second hole 122 includes in heat-conducting silicone grease, heat conductive insulating casting glue, graphene, foam metal At least one, the Heat Conduction Material filled in the second holes 122 of difference can carry out different settings according to demand, so that described the It can ensure to carry out not the corresponding target object different parts with the contact area of corresponding target object on second silica gel pad 120 With degree heat conduction is eliminated there are the larger temperature difference problem on the corresponding target object of temperature difference, and corresponding target is made Object maintains temperature equilibrium, extends the service life of the target object.
In the present embodiment, the first side 111 and the second side 121 are opposite in first silicagel pad 110 Corresponding direction mutually deviates from when second silicagel pad 120 is overturn, i.e., the described first side 111 and the second side Face 121 can't be oppositely arranged.
In the present embodiment, the multiple first hole 112 can be through-hole entirely, can also be blind hole entirely, can also be logical Hole is mingled with setting with blind hole;The multiple second hole 122 can be through-hole entirely, can also be blind hole entirely, can also be through-hole with Blind hole is mingled with setting.
In the present embodiment, the shape in the multiple first hole 112 includes triangle, circle, rectangular, oval, kidney-shaped Any one or more combination in poroid, i.e. the shape in the multiple first hole 112 can be full triangle, circle, it is rectangular, Ellipse, kidney-shaped it is poroid in any one, can also triangle, circle, rectangular, oval, the poroid middle various shapes of kidney-shaped It is mingled with setting;The shape in the multiple second hole 122 includes arbitrary during triangle, circle, rectangular, oval, kidney-shaped are poroid The shape of one or more combinations, i.e. the multiple second hole 122 can be triangle, circle, rectangular, oval, kidney-shaped entirely Any one in poroid, can also triangle, circle, rectangular, oval, the poroid middle various shapes of kidney-shaped be mingled with setting.
Please refer to Fig. 3 and Fig. 4, wherein Fig. 3 be thermal conductive silicon rubber cushion 100 provided in an embodiment of the present invention structural schematic diagram it Two, Fig. 4 are II in Fig. 3 enlarged diagrams.In embodiments of the present invention, can also be arranged on the thermal conductive silicon rubber cushion 100 Have multiple laciniations, with when the thermal conductive silicon rubber cushion 100 and target object are contacted by the multiple laciniation It is contacted.
Optionally, multiple first sawtooth 113, the first side 111 have been equally spaced in the first side 111 The multiple first sawtooth 113 is spaced to contact with corresponding target object;The second side 121 of second silicagel pad 120 is first-class Multiple second sawtooth 123 are positioned apart from, the second side 121 is spaced the multiple second sawtooth 123 and corresponding target Object contacts.Wherein, first sawtooth 113 is obliquely arranged in the first side 111, and along far from the silicagel pad The direction of interconnecting piece 130 extends;Second sawtooth 123 is obliquely provided in the second side 121, and along far from institute The direction for stating silicagel pad interconnecting piece 130 extends.
In the present embodiment, first sawtooth 113 interlaced can be arranged with multiple first holes 112, can also cover I.e. described first hole 112 of lid setting is arranged in 113 corresponding position of the first sawtooth;Second sawtooth 123 and multiple the Two holes 122 interlaced can be arranged, and it is right in second sawtooth 123 can also to cover the i.e. described setting of second hole 122 of setting It answers at position.
Incorporated by reference to reference to Fig. 5, Fig. 6 and Fig. 7, wherein Fig. 5 is that the structure of battery modules 10 provided in an embodiment of the present invention is shown It is intended to, Fig. 6 is the assembling schematic diagram of single battery 12, thermal conductive silicon rubber cushion 100 and liquid cooling flat tube 11 in Fig. 5, and Fig. 7 is III in Fig. 6 The enlarged diagram in portion.In embodiments of the present invention, the thermal conductive silicon rubber cushion 100 can be applied in battery modules 10, be used for Heat conduction processing is carried out to the single battery 12 in battery modules 10, so that each single battery 12 maintains in the battery modules 10 Temperature equilibrium improves the service life of battery modules 10.
In the present embodiment, the battery modules 10 include multiple single batteries 12, liquid cooling flat tube 11 and Fig. 1 and Fig. 3 institutes Any one thermal conductive silicon rubber cushion 100 shown, wherein the number of the heat conductive silica gel pad 100 is at least one.
In the present embodiment, the multiple single battery 12 can be divided into multiple submodule groups, and each submodule group includes multiple Single battery 12,11 diffraction of liquid cooling flat tube is between the multiple submodule group.Optionally, the liquid cooling flat tube 11 includes more A sub- flat tube 101 and at least one bending interconnecting piece 102, the 101 spaced setting of the multiple sub- flat tube, and two neighboring The accommodation space for housing single battery 12 is formed between sub- flat tube 101, two neighboring sub- flat tube 101 is connected by a bending Socket part 102 is connected to, and interconnected sub- flat tube 101 and bending interconnecting piece 102 are logical for carrying out cooled liquid stream, are dissipated with realizing Heat.
In the present embodiment, each thermal conductive silicon rubber cushion 100 corresponds to bending one sub- flat tube 101 of clamping, and with corresponding institute State the fitting of sub- flat tube 101, can accommodate the i.e. multiple single batteries 12 of at least one submodule group in each accommodation space, and with accommodate pair The thermal conductive silicon rubber cushion 100 on the sub- flat tube 101 corresponding to the accommodation space of single battery 12 is answered to contact, so that the liquid cooling flat tube The 11 interval thermal conductive silicon rubber cushions 100 carry out radiating treatment to the multiple single battery 12.
Wherein, the axial direction of the single battery 12 is vertical with the extending direction of corresponding sub- flat tube 101.Each single battery 12 The calorific value of central region is more than the calorific value of two electrode tips in the axial direction, if then the first hole of thermal conductive silicon rubber cushion 100 112 and second are not filled with Heat Conduction Material in hole 122, on the thermal conductive silicon rubber cushion 100 in 12 corresponding region of single battery The distribution situation in the first hole 112 and the second hole 122 is:Trepanning density further away from 12 middle part of single battery is bigger, corresponding trepanning Size is bigger;If being filled with Heat Conduction Material, the thermal conductive silicon rubber cushion in the first hole 112 and the second hole 122 of thermal conductive silicon rubber cushion 100 Distribution situation on 100 with the first hole 112 and the second hole 122 in 12 corresponding region of single battery is:Further away from single battery The trepanning density at 12 middle parts is smaller, and corresponding bore size is smaller.
Wherein, for battery modules 10, the water inlet temperature of liquid cooling flat tube 11 will be less than the temperature of water outlet, if then leading Be not filled with Heat Conduction Material in the first hole 112 and the second hole 122 of hot silicagel pad 100, on the thermal conductive silicon rubber cushion 100 with it is corresponding The distribution situation in the first hole 112 and the second hole 122 is in 101 corresponding region of sub- flat tube:Further away from the water inlet of sub- flat tube 101 Trepanning density it is smaller, corresponding bore size is smaller;If being filled in the first hole 112 and the second hole 122 of thermal conductive silicon rubber cushion 100 Heat Conduction Material, on the thermal conductive silicon rubber cushion 100 with the first hole 112 in 101 corresponding region of corresponding sub- flat tube and the second hole 122 Distribution situation is:Trepanning density further away from the water inlet of sub- flat tube 101 is bigger, and corresponding bore size is bigger.
Wherein, the calorific value of each single battery 12 in battery modules 10 is different, for being not filled by after trepanning For the thermal conductive silicon rubber cushion 100 of Heat Conduction Material, the trepanning density of the thermal conductive silicon rubber cushion 100 big closer to calorific value is smaller;For After trepanning for the thermal conductive silicon rubber cushion 100 filled with Heat Conduction Material, the trepanning of the thermal conductive silicon rubber cushion 100 big closer to calorific value is close Degree is bigger.The silica gel of corresponding different thermal coefficients can be used to make, so that the battery mould in each thermal conductive silicon rubber cushion 100 Thermal conductive silicon rubber cushion 100 in group 10 has the ability of distribution heat conduction.
In the present embodiment, each thermal conductive silicon rubber cushion 100 is by bending corresponding silicagel pad interconnecting piece 130, make with it is described The first silicagel pad 110 and the second silicagel pad 120 that silicagel pad interconnecting piece 130 is fixedly connected press from both sides matched sub- flat tube 101 It holds.The side being bonded is clamped with corresponding sub- flat tube 101 respectively with second silicagel pad 120 in wherein described first silicagel pad 110 It is the side for being not provided with broached-tooth design.
Optionally, the number phase of the number of the thermal conductive silicon rubber cushion 100 in the battery modules 10 and the sub- flat tube 101 Together, side opposite with first side 111 in the first silicagel pad 110 in the thermal conductive silicon rubber cushion 100 corresponding to every sub- flat tube 101 Face paste closes the one side of the sub- flat tube 101, in the second silicagel pad 120 in the thermal conductive silicon rubber cushion 100 with second side 121 Opposite side is bonded the another side of the sub- flat tube 101.Wherein, two sides on the sub- flat tube 101 respectively correspond to Direction mutually deviate from.
In the present embodiment, for each accommodation space when accommodating single battery 12, the single battery 12 will be with formation At least one of two sub- flat tubes 101 of the accommodation space are contacted via the thermal conductive silicon rubber cushion 100, wherein the monomer Battery 12 is by second of the first side 111 or the second silicagel pad 120 with the first silicagel pad 110 in the thermal conductive silicon rubber cushion 100 Side 121 contacts.
In conclusion in thermal conductive silicon rubber cushion provided in an embodiment of the present invention and battery modules, the thermal conductive silicon rubber cushion includes First silicagel pad, the second silicagel pad and silicagel pad interconnecting piece;The side of the silicagel pad interconnecting piece is solid with first silicagel pad Fixed connection, the opposite other side of the silicagel pad interconnecting piece is fixedly connected with second silicagel pad, so that first silica gel Pad can be overturn by the silicagel pad interconnecting piece relative to second silicagel pad.It is opened in the first side of first silicagel pad Equipped with multiple first holes, multiple second holes are offered in the second side of second silicagel pad, first hole is described The heat distribution situation for the target object that distribution situation and size in one silicagel pad are contacted with the first side is corresponding Matching, the target that distribution situation and size of second hole in second silicagel pad are contacted with the second side The heat distribution situation Corresponding matching of object.Wherein described first hole can make in first silicagel pad with corresponding target object Contact area can ensure that second hole can make institute to the corresponding target object different parts progress heat conduction to some extent Stating can ensure from the contact area of corresponding target object to the different journeys of the target object different parts progress in the second silicagel pad Degree ground heat conduction makes corresponding target object maintain to eliminate there are the larger temperature difference problem on the target object of temperature difference Temperature equilibrium extends the service life of the target object.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of thermal conductive silicon rubber cushion, which is characterized in that the thermal conductive silicon rubber cushion includes the first silicagel pad, the second silicagel pad and silica gel Pad interconnecting piece;
The side of the silicagel pad interconnecting piece is fixedly connected with first silicagel pad, opposite another of the silicagel pad interconnecting piece Side is fixedly connected with second silicagel pad, so that first silicagel pad can be by the silicagel pad interconnecting piece relative to described Second silicagel pad is overturn;
Multiple first holes are offered in the first side of first silicagel pad, are opened up in the second side of second silicagel pad There are multiple second holes, distribution situation and size of first hole in first silicagel pad to be connect with the first side The heat distribution situation Corresponding matching of tactile target object, distribution situation and ruler of second hole in second silicagel pad The heat distribution situation Corresponding matching for the target object that very little size is contacted with the second side.
2. thermal conductive silicon rubber cushion according to claim 1, which is characterized in that the first side is with the second side in institute Corresponding direction when the first silicagel pad is overturn relative to second silicagel pad is stated mutually to deviate from.
3. thermal conductive silicon rubber cushion according to claim 2, which is characterized in that be equally spaced in the first side more A first sawtooth, the multiple first sawtooth in first side interval are contacted with corresponding target object;
Multiple second sawtooth are equally spaced in the second side of second silicagel pad, described in the second side interval Multiple second sawtooth are contacted with corresponding target object.
4. thermal conductive silicon rubber cushion according to claim 3, which is characterized in that first sawtooth is obliquely arranged described On one side, and extend along the direction far from the silicagel pad interconnecting piece;
Second sawtooth is obliquely provided in the second side, and is prolonged along the direction far from the silicagel pad interconnecting piece It stretches.
5. the thermal conductive silicon rubber cushion according to any one of claim 1-4, which is characterized in that the shape packet in first hole Include triangle, circle, rectangular, oval, kidney-shaped it is poroid in any one or more combination;
The shape in second hole includes any one or more group during triangle, circle, rectangular, oval, kidney-shaped are poroid It closes.
6. thermal conductive silicon rubber cushion according to claim 5, which is characterized in that the first hole of part is corresponding with the second hole of part to be filled out Filled with Heat Conduction Material, the Heat Conduction Material include in heat-conducting silicone grease, heat conductive insulating casting glue, graphene, foam metal at least It is a kind of.
7. a kind of battery modules, which is characterized in that the battery modules include multiple single batteries, liquid cooling flat tube and at least one Thermal conductive silicon rubber cushion described in any one of claim 1-6;
The liquid cooling flat tube includes multiple sub- flat tubes and at least one bending interconnecting piece, and the multiple sub- flat tube is spaced to be set It sets, and forms the accommodation space for housing single battery between two neighboring sub- flat tube, two neighboring sub- flat tube passes through one A bending interconnecting piece connection;
Each thermal conductive silicon rubber cushion corresponds to bending one sub- flat tube of clamping, and is bonded to each other with the sub- flat tube;
The multiple single battery is respectively accommodated in each accommodation space, and the thermal conductive silicon rubber cushion of sub- flat tube corresponding with clamping connects It touches, so that thermal conductive silicon rubber cushion described in liquid cooling flat tube interval radiates to the multiple single battery.
8. battery modules according to claim 7, which is characterized in that each thermal conductive silicon rubber cushion by silicagel pad interconnecting piece into Row bending, and the first silicagel pad by being fixedly connected with the silicagel pad interconnecting piece and the second silicagel pad are to matched sub- flat tube It is clamped.
9. battery modules according to claim 8, which is characterized in that the number of the thermal conductive silicon rubber cushion and the sub- flat tube Number it is identical, the side patch opposite with first side in the first silicagel pad in thermal conductive silicon rubber cushion corresponding to every sub- flat tube Close the one side of the sub- flat tube, the side opposite with second side is bonded institute in the second silicagel pad in the thermal conductive silicon rubber cushion State the another side of sub- flat tube.
10. according to the battery modules described in any one of claim 7-9, which is characterized in that each accommodation space accommodated Single battery is contacted with the first side of thermal conductive silicon rubber cushion or second side being arranged on the sub- flat tube for forming the accommodation space.
CN201810230251.7A 2018-03-20 2018-03-20 Heat conduction silica gel pad and battery module Active CN108565489B (en)

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