CN108470958A - Thermal insulation layer preparation method, cooling line and battery modules - Google Patents
Thermal insulation layer preparation method, cooling line and battery modules Download PDFInfo
- Publication number
- CN108470958A CN108470958A CN201810258340.2A CN201810258340A CN108470958A CN 108470958 A CN108470958 A CN 108470958A CN 201810258340 A CN201810258340 A CN 201810258340A CN 108470958 A CN108470958 A CN 108470958A
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- CN
- China
- Prior art keywords
- cooling line
- thermal insulation
- insulation layer
- insulating heat
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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)
Abstract
A kind of thermal insulation layer preparation method of the embodiment of the present application offer, cooling line and battery modules, by the surface that powdery insulating heat-conduction material is uniformly adhered to cooling line, and the powdery insulating heat-conduction material on the surface to being attached to the cooling line cures, and the powdery insulating heat-conduction material is made to form thermal insulation layer on the surface of cooling line.The thermal insulation layer is squeezed, the surface integrally connected of the thermal insulation layer and cooling line is made.In this way, preparation efficiency can be improved, manufacturing cost is reduced, and reaches and preferably prepares effect.
Description
Technical field
This application involves battery modules technical fields, in particular to a kind of thermal insulation layer preparation method, cooling tube
Road and battery modules.
Background technology
Currently, frequently with air-cooled and liquid cooling both of which in power battery pack cooling system.It is air-cooled it is main utilize evaporator
It takes air out of battery pack, forms heat exchange.Its cost is relatively low, and heat dissipation effect is general, is easy to be interfered by dust, later stage dimension
Repair inconvenience.Water-cooling system is made of cooler, water pump, heater etc., passes through a variety of links and constantly refrigerating circuit
To complete the refrigeration work of battery pack.It is higher relative to air-cooled cost, but heat dissipation effect is preferable, is not easy to be interfered by extraneous dust.
However, water-cooling system has higher requirement to the heat conductivility of cooling line, so just can ensure that in battery pack
The safety in portion, thus would generally be in one layer of heat-conducting of surface mount of cooling line, the material is with higher heat conduction and absolutely
Edge ability.However, be typically mode manually or semi-automatically at present in the surface mount of the cooling line heat-conducting, at
This is higher, and the case where be susceptible to dislocation or fold.
Invention content
In view of this, the purpose of the application includes a kind of thermal insulation layer preparation method of offer, cooling line and battery mould
Group, to improve the above problem.
In order to achieve the above object, the embodiment of the present application adopts the following technical scheme that：
In a first aspect, the embodiment of the present application provides a kind of thermal insulation layer preparation method, it is applied to cold in battery modules
But pipeline, this method include：
Powdery insulating heat-conduction material is uniformly adhered to the surface of the cooling line；
The powdery insulating heat-conduction material on the surface to being attached to the cooling line cures, and the powdery insulation is made to lead
Hot material forms the thermal insulation layer for being attached to the cooling line surface；
The thermal insulation layer is squeezed, the thermal insulation layer and the surface of the cooling line is made integrally to connect
It connects.
Optionally, in the thermal insulation layer preparation method that the first aspect of the embodiment of the present application provides, described pair of attachment
Powdery insulating heat-conduction material on the surface of the cooling line carries out solidification and is realized by roasting plant；
It is described that the thermal insulation layer is carried out to be pressed through extrusion equipment realization.
Optionally, described by powdery in the thermal insulation layer preparation method that the first aspect of the embodiment of the present application provides
Insulating heat-conduction material is uniformly adhered to the surface of the cooling line, including：
The powdery insulating heat-conduction material is uniformly arranged on to the surface of the cooling line using workmanship of spraying plastics.
Optionally, described by powdery in the thermal insulation layer preparation method that the first aspect of the embodiment of the present application provides
Insulating heat-conduction material is uniformly adhered to the surface of the cooling line, including：
The powdery insulating heat-conduction material is uniformly arranged on to the surface of the cooling line using printing technology.
Optionally, in the thermal insulation layer preparation method that the first aspect of the embodiment of the present application provides, the powdery is exhausted
Edge Heat Conduction Material is silica white, and the thermal insulation layer is silicagel pad.
Optionally, in the thermal insulation layer preparation method that the first aspect of the embodiment of the present application provides, the silicagel pad
One side away from the cooling line is zigzag.
Second aspect, the embodiment of the present application provide a kind of cooling line, are applied to battery modules, the surface of the cooling line
It is provided with the thermal insulation layer with the surface integrally connected, which is provided by the first aspect of the embodiment of the present application
Thermal insulation layer preparation method be set to the surface of the cooling line.
Optionally, in the cooling line that the second aspect of the embodiment of the present application provides, the thermal insulation layer is silica gel
Pad, the silicagel pad are zigzag away from the one side of the cooling line.
The third aspect, the embodiment of the present application also provide a kind of battery modules, including battery core and multiple the embodiment of the present application
The cooling line that second aspect provides, each cooling line are arranged in parallel, and are formed and are used between each two adjacent cooling line
In the accommodation space for accommodating at least one battery core, at least one battery core is in contact with two adjacent cooling lines.
Optionally, in the battery modules that the third aspect of the embodiment of the present application provides, the cooling line includes more
A liquid stream runner, the battery core being in contact with the cooling line can pass through the insulation on the surface of the cooling line and the cooling line
Heat-conducting layer carries out heat exchange with the liquid circulated in the liquid stream runner.
In terms of existing technologies, the embodiment of the present application has the advantages that：
A kind of thermal insulation layer preparation method, cooling line and battery modules provided by the embodiments of the present application, powdery is exhausted
Edge Heat Conduction Material is uniformly adhered to the surface of cooling line, and the powdery insulating heat-conductive on the surface to being attached to the cooling line
Material is cured, and the powdery insulating heat-conduction material is made to form thermal insulation layer on the surface of cooling line.To the insulating heat-conductive
Layer is squeezed, and the surface integrally connected of the thermal insulation layer and cooling line is made.In this way, preparation efficiency can be improved, reduce
Manufacturing cost, and reach and preferably prepare effect.
Description of the drawings
It, below will be to needed in the embodiment attached in order to illustrate more clearly of the technical solution of the embodiment of the present application
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram of battery modules provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of cooling line provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram of another cooling line provided by the embodiments of the present application；
Fig. 4 is the enlarged diagram of region I shown in Fig. 3；
Fig. 5 is a kind of flow diagram of thermal insulation layer preparation method provided by the embodiments of the present application.
Icon：10- battery modules；100- cooling lines；The surfaces 110-；120- thermal insulation layers；130- liquid stream runners；
200- battery cores；300- accommodation spaces.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application 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 embodiments herein to providing in the accompanying drawings be not intended to limit it is claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model of the application protection
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.
Current battery module mainly realizes heat exchange by air cooling system or water-cooling system.Wherein, air cooling system is mainly
Air is taken out of battery modules using evaporator, and such mode cost is relatively low, but heat dissipation effect is general, and is easy by dust
Interference, later period maintenance are inconvenient.And water-cooling system is usually made of cooler, water pump, heater etc., by a variety of links and not
The refrigeration work to battery modules is completed in disconnected refrigerating circuit.
There is preferable heat dissipation effect in view of water-cooling system, and be not easily susceptible to the interference of extraneous dust, current most battery
Module all uses water-cooling system.
However, water-cooling system needs to use liquid cooling pipeline in battery modules, and the thermal conductivity to liquid cooling pipeline and insulation
Property require it is very high.
As shown in Figure 1, being a kind of structural schematic diagram of battery modules 10 provided by the embodiments of the present application.The battery modules 10
Including battery core 200 and multiple cooling lines 100 (only showing two in Fig. 1), wherein each two adjacent cooling line 100 it
Between form accommodation space 300 for accommodating at least one battery core 200, at least one battery core 200 is two adjacent cold with this
But pipeline 100 is in contact.
It should be appreciated that in the present embodiment, battery core 200 can be in direct contact with cooling line 100, can also be to pass through
Other medium (e.g., thermal insulation layer) mediate contacts, as long as heat exchange may be implemented with cooling line 100 in battery core 200.
As shown in Fig. 2, being a kind of structural schematic diagram of cooling line 100 provided by the embodiments of the present application.Wherein, Mei Geleng
But multiple liquid stream runners 130 can be offered in pipeline 100, liquid for cooling down battery core 200 or for battery core 200 plus
The liquid of heat can be circulated in respectively in the liquid stream runner 130 so that the battery core 200 being in contact with the cooling line 100, it can
With by the thermal insulation layer 120 of the cooling line 100 and the surface 110 of the cooling line 100, with the cooling line 100
Liquid carry out heat exchange, to have the function that cooling battery core 200 or heating battery core 200.
Optionally, in the present embodiment, the thermal insulation layer 120 can be made of silica gel, i.e., the described thermal insulation layer
120 can be silicagel pad.
Fig. 3 and Fig. 4 are please referred to, Fig. 3 is the structural representation of another cooling line 100 provided by the embodiments of the present application
Figure, Fig. 4 are the enlarged diagram of region I in Fig. 3.
In the present embodiment, the thermal insulation layer 120 can be jagged silicagel pad, pass through the saw in the silicagel pad
Tooth can absorb the spacing tolerance value of battery core 200 well, consequently facilitating installation, and then ensure cooling line 100 and battery core 200
Between can better contact with.
Through inventor the study found that currently, thermal insulation layer is typically mode manually or semi-automatically paste it is cold
But the surface of pipeline, this mode is less efficient, and cost is higher, and is susceptible to stickup dislocation, or is easy to cause insulation
There is fold in heat-conducting layer.
Based on this, the embodiment of the present application provides a kind of 120 preparation method of thermal insulation layer, by the thermal insulation layer
120 are set to the surface 110 of the cooling line 100, so as to improve above-mentioned problem.This method is carried out with reference to Fig. 4
Detailed elaboration.
Powdery insulating heat-conduction material is uniformly adhered to the surface 110 of the cooling line 100 by step S401.
Wherein, powdery insulating heat-conduction material refers to the powder made of insulating heat-conduction material, such as silica white.
In a specific embodiment, the powdery insulating heat-conduction material can be equably arranged by workmanship of spraying plastics
On the surface of the cooling line 100 110, in detail, can by plastics spraying machine by the powdery insulating heat-conduction material equably
It is arranged on the surface of the cooling line 100 110.
In another specific implementation mode, can by printing technology by the powdery thermal insulation layer 120 equably
It is arranged on the surface of the cooling line 100 110, in detail, can realizes the process by printing machine.
Step S402 cures to being attached to the powdery insulating heat-conduction material on surface 110 of the cooling line 100,
The powdery insulating heat-conduction material is set to form the thermal insulation layer 120 for being attached to 100 surface 110 of cooling line.
It, can after the powdery insulating heat-conduction material is attached to the surface 110 of the cooling line 100 when implementation
To be cured to the powdery insulating heat-conduction material by roasting plant, to be formed on the surface of the cooling line 100 110
The thermal insulation layer 120.
Step S403 squeezes the thermal insulation layer 120, makes the thermal insulation layer 120 and the cooling tube
110 integrally connected of surface on road 100.
When implementation, the thermal insulation layer 120 formed in step S402 can be squeezed by extrusion equipment, so that institute
It states thermal insulation layer 120 and forms integral structure with the cooling line 100.
By the above-mentioned means, packaging efficiency can be improved, rapidly forming insulation on the surface of cooling line 100 110 leads
Thermosphere 120, and the mode automated can reduce the cost needed for assembling.
In addition, by the above-mentioned means, the bubble generated in an assembling process due to manually paste, Yi Jitong can also be avoided
The cooling line 100 that the above method can ensure that assembling obtains is crossed to fit closely with battery core 200.
Further, inventor also found, be had to the thickness of thermal insulation layer 120 using the battery modules 10 of liquid cooling mode
It is certain to require.In detail, it if thermal insulation layer 120 is partially thick, can be difficult to operate when installing battery core 200；And if insulation is led
Thermosphere 120 is partially thin, then is likely to the case where battery core 200 is not reached with cooling line 100 occur, to influence final heat dissipation
Effect.And pass through above-mentioned preparation method, it can be ensured that the thickness for the thermal insulation layer 120 prepared meets the requirements.With hand
Flowing mode or semiautomatic fashion compare, it is not easy to the too thick or too thin situation of thermal insulation layer 120 occur.
Accordingly, in the present embodiment, powdery insulation can be led to realize by the plastics spraying machine or printing machine of automation
Hot material is attached to the step for surface 110 of cooling line 100, can be according to need by the plastics spraying machine or printing machine of automation
Seek the thickness for setting the powdery insulating heat-conduction material.
It should be appreciated that the cooling line 100 provided in the present embodiment, thermal insulation layer 120 is to carry through this embodiment
120 preparation method of thermal insulation layer of confession is arranged on the surface of the cooling line 100 110.
Battery modules 10 provided in this embodiment comprising cooling line 100 on the thermal insulation layer 120 that is arranged,
It is prepared by 120 preparation method of thermal insulation layer provided through this embodiment.
In conclusion 120 preparation method of thermal insulation layer, cooling line 100 and battery mould provided by the embodiments of the present application
Powdery insulating heat-conduction material, is uniformly adhered to the surface 110 of cooling line 100, and to being attached to the cooling line by group 10
The powdery insulating heat-conduction material on 100 surface 110 is cured, and makes the powdery insulating heat-conduction material in the table of cooling line 100
Face 110 forms thermal insulation layer 120.The thermal insulation layer 120 is squeezed, the thermal insulation layer 120 and cooling line are made
100 110 integrally connected of surface.In this way, preparation efficiency can be improved, manufacturing cost is reduced, and reaches and preferably prepares effect.
In the description of the embodiment of the present application, 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, and can also be detachably to connect for example, it may be being fixedly connected
It connects, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in this application.
In addition it is also necessary to explanation, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that
A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of thermal insulation layer preparation method, which is characterized in that the cooling line being applied in battery modules, this method packet
It includes：
Powdery insulating heat-conduction material is uniformly adhered to the surface of the cooling line；
The powdery insulating heat-conduction material on the surface to being attached to the cooling line cures, and makes the powdery insulating heat-conductive material
Material forms the thermal insulation layer for being attached to the cooling line surface；
The thermal insulation layer is squeezed, the surface integrally connected of the thermal insulation layer and the cooling line is made.
2. thermal insulation layer preparation method according to claim 1, which is characterized in that
The powdery insulating heat-conduction material on the described pair of surface for being attached to the cooling line carries out solidification and is realized by roasting plant；
It is described that the thermal insulation layer is carried out to be pressed through extrusion equipment realization.
3. thermal insulation layer preparation method according to claim 1 or 2, which is characterized in that described by powdery insulating heat-conductive
Material is uniformly adhered to the surface of the cooling line, including：
The powdery insulating heat-conduction material is uniformly arranged on to the surface of the cooling line using workmanship of spraying plastics.
4. thermal insulation layer preparation method according to claim 1 or 2, which is characterized in that described by powdery insulating heat-conductive
Material is uniformly adhered to the surface of the cooling line, including：
The powdery insulating heat-conduction material is uniformly arranged on to the surface of the cooling line using printing technology.
5. thermal insulation layer preparation method according to claim 1 or 2, which is characterized in that the powdery insulating heat-conductive material
Material is silica white, and the thermal insulation layer is silicagel pad.
6. thermal insulation layer preparation method according to claim 5, which is characterized in that the silicagel pad deviates from the cooling
The one side of pipeline is zigzag.
7. a kind of cooling line, which is characterized in that be applied to battery modules, the surface of the cooling line is provided with and the surface one
The thermal insulation layer of body connection, the thermal insulation layer pass through the thermal insulation layer preparation side described in any one of claim 1-6
Method is set to the surface of the cooling line.
8. cooling line according to claim 7, which is characterized in that the thermal insulation layer is silicagel pad, the silicagel pad
One side away from the cooling line is zigzag.
9. a kind of battery modules, which is characterized in that each described including the cooling line described in battery core and multiple claims 7
Cooling line is arranged in parallel, and the accommodation space for accommodating at least one battery core is formed between each two adjacent cooling line,
At least one battery core is in contact with two adjacent cooling lines.
10. battery modules according to claim 9, which is characterized in that each cooling line includes multiple liquid streams
Runner, the battery core being in contact with the cooling line can pass through the insulating heat-conductive on the surface of the cooling line and the cooling line
Layer carries out heat exchange with the liquid circulated in the liquid stream runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258340.2A CN108470958A (en) | 2018-03-27 | 2018-03-27 | Thermal insulation layer preparation method, cooling line and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258340.2A CN108470958A (en) | 2018-03-27 | 2018-03-27 | Thermal insulation layer preparation method, cooling line and battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108470958A true CN108470958A (en) | 2018-08-31 |
Family
ID=63265870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810258340.2A Pending CN108470958A (en) | 2018-03-27 | 2018-03-27 | Thermal insulation layer preparation method, cooling line and battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108470958A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886087A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Cooling and heat transferring structure of power battery and vehicle |
| CN114270600A (en) * | 2019-09-06 | 2022-04-01 | 3M创新有限公司 | Heat exchanger and battery system including the same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114270600A (en) * | 2019-09-06 | 2022-04-01 | 3M创新有限公司 | Heat exchanger and battery system including the same |
| CN112886087A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Cooling and heat transferring structure of power battery and vehicle |
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Application publication date: 20180831 |