CN108390130A - Heat sink, battery modules and electric vehicle - Google Patents
Heat sink, battery modules and electric vehicle Download PDFInfo
- Publication number
- CN108390130A CN108390130A CN201810398204.3A CN201810398204A CN108390130A CN 108390130 A CN108390130 A CN 108390130A CN 201810398204 A CN201810398204 A CN 201810398204A CN 108390130 A CN108390130 A CN 108390130A
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- Prior art keywords
- heat sink
- bottom plate
- top plate
- battery modules
- battery
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- 239000003507 refrigerant Substances 0.000 claims abstract description 35
- 230000004308 accommodation Effects 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000004880 explosion Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to battery thermal management technical fields, more particularly to a kind of heat sink, battery modules and electric vehicle, heat sink includes the refrigerant for having the column structure of accommodation space and being set in accommodation space, the height of column structure and the height of single battery match, column structure includes bottom plate, top plate and side wall, side wall is set between top plate and bottom plate and encloses composition accommodation space, it is provided on top plate and/or bottom plate and at least one easily tears portion, heat sink and each single battery are respectively arranged between top crown and bottom crown, with when the battery cell failure close to heat sink generates heat, refrigerant expanded by heating in accommodation space, portion can be made easily to tear relative to top plate and/or bottom plate separation, to spray refrigerant.By above-mentioned setting, with when there are battery cell failure, quick-fried spray can occur for heat sink, enable the refrigerant of ejection to battery modules fast cooling, and then effectively avoids battery modules that explosion issues occur.
Description
Technical field
The present invention relates to battery thermal management technical field, in particular to a kind of heat sink, battery modules and electronic
Automobile.
Background technology
In recent years, pure electric automobile and hybrid vehicle can substantially eliminate even zero-emission vehicle tail gas with it
Advantage is paid attention to by government and each Automobile Enterprises, currently, power battery module be typically connected by multiple single batteries or
It composes in parallel.
Inventor it has been investigated that, in battery modules there are battery cell fail quick-fried spray when, will produce high temperature gas flow, thus
The quick-fried spray of battery failure that its can be caused adjacent causes entire battery modules that thermal run away even generation occurs to which chain reaction occur
Explosion, leads to serious accident, therefore, in battery modules when spray quick-fried there are single battery, can realize to battery modules
Fast cooling is carried out to be a technical problem to be solved urgently.
Invention content
In view of this, the purpose of the present invention is to provide a kind of heat sink, battery modules and electric vehicle, with effectively slow
Solve above-mentioned technical problem.
The invention is realized in this way：
A kind of heat sink, applied to the battery modules for including top crown, bottom crown and multiple single batteries, the drop
Warm device includes the refrigerant for having the column structure of accommodation space and being set in the accommodation space, the column structure
Height and the height of the single battery match, and the column structure includes bottom plate, top plate and side wall, and the side wall is set to
Between the top plate and the bottom plate and the composition accommodation space is enclosed, at least one is provided on the top plate and/or bottom plate
It is a easily to tear portion；
The heat sink and each single battery are respectively arranged between the top crown and the bottom crown, with
When generating heat close to the battery cell failure of the heat sink, the refrigerant expanded by heating in the accommodation space can make
The portion of easily tearing is detached relative to the top plate and/or bottom plate, to spray refrigerant.
Optionally, in above-mentioned heat sink, the top plate is identical with the shape size of the bottom plate, the top plate and institute
It states to be respectively arranged on bottom plate and at least one described easily tears portion.
Optionally, in above-mentioned heat sink, the easy portion of tearing being arranged on the top plate is multiple, and is set to the top plate
On each shape size for easily tearing portion it is different, the easy portion of tearing being arranged on the bottom plate is multiple, and is set on the bottom plate
Each shape size for easily tearing portion is different, when the refrigerant expanded by heating in the accommodation space, when the pressure size difference of generation,
The different portions of easily tearing being set on the top plate and/or bottom plate are enable to be detached relative to the top plate and/or bottom plate, with spray
Go out refrigerant.
Optionally, in above-mentioned heat sink, the top plate and the bottom plate are the identical plectane of shape size, are set to
The multiple of the top plate easily tear portion along the circumferentially disposed of the top plate, are set to the multiple of the bottom plate and easily tear portion along the bottom plate
It is circumferentially disposed.
Optionally, in above-mentioned heat sink, the shape of the top plate is round, and there are one easily tear for setting on the top plate
Portion, and the easily portion of tearing is positioned at the center position close to the top plate；
Setting tears portion there are one easy on the bottom plate, and the easily portion of tearing is positioned at the center position close to the bottom plate.
Optionally, in above-mentioned heat sink, the cross sectional shape for easily tearing portion is round or regular polygon.
Optionally, in above-mentioned heat sink, the edge for easily tearing portion is provided with easy-torn line, the easy-torn line with it is described
The easy portion of tearing is integrally formed, and the thickness of the easy-torn line is less than the thickness for easily tearing portion.
The present invention also provides a kind of battery modules, including the multiple single batteries of top crown, bottom crown and it is at least one on
The heat sink stated；
The heat sink and each single battery are respectively arranged between the top crown and the bottom crown, with
When generating heat close to the battery cell failure of the heat sink, the refrigerant expanded by heating in the heat sink can make
The portion of easily tearing is detached relative to the top plate and/or bottom plate, to spray refrigerant.
Optionally, in above-mentioned battery modules, each battery modules further include temperature detector, controller and alarm
Device, the temperature detector and the alarm are electrically connected with the controller respectively, and the temperature detector is disposed in proximity to
To detect the temperature of the heat sink position at the position of the heat sink, the controller is for obtaining the temperature
The temperature value that degree detector detects, and the alarm is controlled according to the temperature value and sends out alarm signal.
The present invention also provides a kind of electric vehicle, including electrical equipment and above-mentioned battery modules, the electrical equipment with
The battery modules electrical connection.
A kind of heat sink, battery modules and electric vehicle provided by the invention, heat sink include the column of accommodation space
Shape structure and the refrigerant being set in the accommodation space, column structure easily tears portion by the way that setting is at least one, with described
Heat sink is applied in battery modules and electric vehicle, and generates heat in the battery cell failure close to the heat sink
When, the refrigerant expanded by heating in the accommodation space can be such that the portion of easily tearing is detached relative to the top plate and/or bottom plate,
To spray refrigerant, enable the refrigerant of ejection to battery modules fast cooling, and then effectively avoids battery modules that explosion occurs and ask
Topic.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, 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 the section Example of the present invention, therefore is not construed as pair
The restriction of the scope of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other relevant attached drawings can be obtained according to these attached drawings.
Fig. 1 is a kind of connection block diagram of electric vehicle provided in an embodiment of the present invention.
Fig. 2 is a kind of connection block diagram of battery modules provided in an embodiment of the present invention.
Fig. 3 is a kind of structural schematic diagram of battery modules provided in an embodiment of the present invention.
Fig. 4 is a kind of structural schematic diagram of heat sink provided in an embodiment of the present invention.
Fig. 5 is a kind of another structural schematic diagram of heat sink provided in an embodiment of the present invention.
Fig. 6 is a kind of another structural schematic diagram of heat sink provided in an embodiment of the present invention.
Icon：1- electric vehicles；10- battery modules；11- heat sinks；12- single batteries；13- top crowns；Pole under 14-
Plate；15- controllers；16- temperature detectors；17- alarms；20- electrical equipments；100- column structures；110- bottom plates；120- is easy
Tear portion；130- top plates；150- side walls.
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.
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 the orientation or positional relationship of the instructions such as term "upper", "inner" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Referring to Fig. 1, the present invention provides a kind of electric vehicle 1, the electric vehicle 1 includes that battery modules 10 and electricity consumption are set
Standby 20, the battery modules 10 are electrically connected to be powered the electrical equipment 20 with the electrical equipment 20.
Wherein, the electrical equipment 20 can be but not limited to motor, Vehicular display device, audio frequency apparatus and communication apparatus,
It is not specifically limited herein.
Incorporated by reference to Fig. 2, the present invention provides a kind of battery modules 10 can be applied to above-mentioned electric vehicle 1, the battery mould
Group 10 includes top crown 13, bottom crown 14, multiple single batteries 12 and at least one heat sink 11, the heat sink 11
And each single battery 12 is respectively arranged between the top crown 13 and the bottom crown 14, with close to heat sink 11
Single battery 12 break down when generating heat, the heat sink 11 can be to carrying out fast prompt drop in the battery modules 10
Temperature, when to avoid generating heat because of 12 failure of single single battery so that the temperature in battery modules 10 increases and then causes whole
10 thermal run away of a battery modules, and then the case where make entire 10 failure of battery modules.
Wherein, 12 failure of single battery, which generates heat, to be, the quick-fried spray of single battery 12 simultaneously generates heat.
Incorporated by reference to Fig. 3, when so that quick-fried spray occurs there are single battery 12 in battery modules 10, can effectively prompt to use
Family.Optionally, in the present embodiment, the battery modules 10 further include controller 15, temperature detector 16 and alarm 17,
The alarm 17 and the temperature detector 16 are electrically connected with the controller 15 respectively, and the temperature detector 16 is arranged
At the position of the close heat sink 11, to detect the temperature of 11 position of heat sink, the controller 15
The temperature value detected for obtaining the temperature detector 16, and the alarm 17 is controlled according to the temperature value and sends out report
Alert signal.
Specifically, a predetermined threshold value and a preset duration can be stored in the controller 15, when the temperature detection
When the difference for the temperature that device 16 detects in the preset duration exceeds the predetermined threshold value, then the battery modules are can determine that
Occur quick-fried spray there are single battery 12 in 10, the size of the size of the preset duration and the predetermined threshold value is not made specifically herein
It limits, is configured according to actual demand.Such as, in one minute, the difference for the temperature that temperature detector 16 detects is super
When going out 20 degrees Celsius, or in 10 seconds, when the temperature that temperature detector 16 detects is more than 10 degrees Celsius, the processor can
To judge that there are 12 modules 10 of single battery, and quick-fried spray occurs in battery modules 10.
It is appreciated that in the present embodiment, it is when the heat sink 11 being arranged in the battery modules 10 is multiple, then right
The quantity for the temperature detector 16 that should be arranged also is multiple, and each heat sink 11 corresponds at least one temperature detector 16,
Each temperature detector 16 is electrically connected with the controller 15 respectively, and there are a temperature detectors 16 when one is default
When the difference of the temperature detected in length is more than a predetermined threshold value, controls the alarm 17 and send out alarm signal.
Wherein, the alarm 17 can be but not limited to voice guard, light crossing-signal, audible-visual annunciator or short message report
Alert device is not specifically limited herein, is configured according to actual demand as long as can play the role of prompting user.
Referring to Fig. 4, the present invention also provides a kind of heat sink 11 can be applied to above-mentioned battery modules 10, the cooling
Device 11 includes the refrigerant for having the column structure 100 of accommodation space and being set in the accommodation space, the column knot
The height of structure 100 and the height of the single battery 12 match, and the column structure 100 includes bottom plate 110,130 and of top plate
Side wall 150, the side wall 150, which is set between the top plate 130 and the bottom plate 110 and encloses, constitutes the accommodation space,
It is provided on the top plate 130 and/or bottom plate 110 and at least one easily tears portion 120.
By above-mentioned setting, with when the heat sink 11 is applied in the battery modules 10, the heat sink
11 and each single battery 12 be respectively arranged between the top crown 13 and the bottom crown 14, with close to the cooling
When 12 failure of single battery (quick-fried spray) of device 11 generates heat, the refrigerant expanded by heating in the accommodation space, can make
The portion 120 of easily tearing is detached relative to the top plate 130 and/or bottom plate 110, to spray refrigerant, makes the refrigerant of ejection to battery
10 fast cooling of module, and then effectively avoid battery modules 10 that explosion issues occur.
It should be noted that in the present embodiment, the bottom plate 110, top plate 130 and side wall 150 with good by leading
The material of hot property is made, with when generating amount of heat there are 12 quick-fried spray of single battery, the bottom plate 110 of heat sink 11 pushes up
Plate 130 and side wall 150 can quickly transmit heat, so that the refrigerant in the accommodation space being capable of heated fast steaming
Hair, and then the pressure in accommodation space is made to increase, it is detached with top plate 130 and/or bottom plate 110 so as to easily tear portion 120, and then make appearance
The refrigerant received in space, which is realized to spray, realizes rapid cooling.
Wherein, the shape size of the top plate 130 and the bottom plate 110 can be identical, can also be different, described
The shape of top plate 130 and bottom plate 110 can be but not limited to the regular shapes such as round, rectangular or regular polygon, can also be to appoint
Meaning irregular shape, is not specifically limited herein.
Optionally, in the present embodiment, the bottom plate 110 is identical with the shape size of the top plate 130 and is circle, institute
It states to be respectively arranged on top plate 130 and the bottom plate 110 and at least one described easily tears portion 120.
Described easily to tear the shape in portion 120 can be the regular shapes such as round, oval, rectangular or regular polygon, can also be
Arbitrary irregular shape.
Optionally, in the present embodiment, the cross sectional shape for easily tearing portion 120 is round or regular polygon.
When be arranged on the bottom plate 110 and the top plate 130 easily tear portion 120 be respectively one when, be set to the top
Portion 120 of easily tearing on plate 130 is located at the center position close to the top plate 130, and be set to the bottom plate 110 easily tears portion
120 are located at the center position close to the bottom plate 110.
By above-mentioned setting, so that the refrigerant sprayed is uniformly spread to the surrounding of the heat sink 11, so that dissipating
Thermal effect is more preferably.
When be arranged on the bottom plate 110 and the top plate 130 easily tear portion 120 be it is multiple when, be set to each of top plate 130
It can be identical easily to tear the shape size in portion 120, can also be different, be not specifically limited herein.
Incorporated by reference to Fig. 5 and Fig. 6, to realize in 12 quick-fried throw degree difference of the single battery, to the battery modules 10
Reach different heat dissipation effects.Optionally, in the present embodiment, the portion 120 of easily tearing being arranged on the top plate 130 is multiple, and
Each shape size for easily tearing portion 120 being set on the top plate 130 is different, and what is be arranged on the bottom plate 110 easily tears portion 120 and be
It is multiple, and it is set to each shape size difference for easily tearing portion 120 on the bottom plate 110, the refrigerant in the accommodation space
Expanded by heating, the pressure size of generation is not meanwhile, it is capable to make to be set to different easy on the top plate 130 and/or bottom plate 110
Tearing portion 120 can detach relative to the top plate 130 and/or bottom plate 110, to spray refrigerant.
Wherein, be arranged on the bottom plate 110 it is multiple easily tear portion 120 arrangement modes and be set on the bottom plate 110
It is multiple easily to tear the arrangement mode in portion 120 can be identical, can also be different, be not specifically limited herein, and be arranged
In each on bottom plate 110 easily tears portion 120 and be set on bottom plate 110 it is each easily to tear portion 120 can be intervally arranged successively, also may be used
To be to be randomly provided, it is configured according to actual demand.
Optionally, in the present embodiment, multiple weeks for easily tearing portion 120 along the top plate 130 of the top plate 130 are set to
To setting, it is set to the multiple of the bottom plate 110 and easily tears portion 120 along the circumferentially disposed of the bottom plate 110.
For ease of enable it is described easily tear pressure of the portion 120 in accommodation space it is excessive when, with top plate 130 or bottom plate 110
Separation, optionally, in the present embodiment, the edge for easily tearing portion 120 is provided with easy-torn line, and the easy-torn line is easily torn with described
Portion 120 is integrally formed, and the thickness of the easy-torn line is less than the thickness for easily tearing portion 120.
By above-mentioned setting, be arranged on the bottom plate 110 and/or the bottom plate 110 it is described easily tear portion 120 when, institute
State easy-torn line corresponding position thickness be less than the easy-torn line where bottom plate 110 or top plate 130 other positions at thickness, into
And when quick-fried spray occurs there are single battery 12, it can make easily to tear portion 120 and the top plate 130 and/or bottom plate 110 from easy-torn line
Position at detach.
To sum up, a kind of heat sink 11 provided by the invention, battery modules 10 and electric vehicle 1, heat sink 11 pass through
The refrigerant that the column structure 100 of accommodation space is set and is set in accommodation space, and column structure 100 by bottom plate 110,
Top plate 130 and side wall 150, and be provided on top plate 130 and/or bottom plate 110 it is at least one easily tear portion 120, in the drop
When warm device 11 is applied to the battery modules 10 and electric vehicle 1, the heat sink 11 and each single battery 12 divide
It is not set between top crown 13 and the bottom crown 14, to generate heat in 12 failure of single battery close to heat sink 11
When, the refrigerant expanded by heating in accommodation space can make easily to tear portion 120 and be detached relative to the top plate 130 and/or bottom plate 110,
To spray refrigerant, and then enable the refrigerant of ejection to 10 fast cooling of battery modules, effectively to avoid battery modules 10 from occurring
Explosion issues.Further, by the way that temperature detector 16, controller 15 and alarm 17 is arranged, with there are single batteries
When the 12 quick-fried spray of generation, user is effectively prompted, further to ensure the safety of single battery 12 and electric vehicle 1.
It should be noted that term " comprising " or any other variant are intended to non-exclusive inclusion, to make
Process, article or the equipment that must include a series of elements include not only those elements, but also include being not explicitly listed
Other element, or further include for this process, article or the intrinsic element of equipment.The case where not limiting more
Under, the element that is limited by sentence "including a ...", it is not excluded that in process, article or the equipment including the element
There is also other identical elements.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of heat sink, applied to the battery modules for including top crown, bottom crown and multiple single batteries, feature exists
In the heat sink includes the refrigerant for having the column structure of accommodation space and being set in the accommodation space, described
The height of column structure and the height of the single battery match, and the column structure includes bottom plate, top plate and side wall, described
Side wall, which is set between the top plate and the bottom plate and encloses, constitutes the accommodation space, is set on the top plate and/or bottom plate
It is equipped with and at least one easily tears portion；
The heat sink and each single battery are respectively arranged between the top crown and the bottom crown, with close
When the battery cell failure of the heat sink generates heat, the refrigerant expanded by heating in the accommodation space can make described
It easily tears portion to detach relative to the top plate and/or bottom plate, to spray refrigerant.
2. heat sink according to claim 1, which is characterized in that the shape size phase of the top plate and the bottom plate
Together, it is respectively arranged on the top plate and the bottom plate and at least one described easily tears portion.
3. heat sink according to claim 2, which is characterized in that the easy portion of tearing being arranged on the top plate is multiple, and
Each shape size for easily tearing portion being arranged on the top plate is different, and the easy portion of tearing being arranged on the bottom plate is multiple, and is arranged
It is different in each shape size for easily tearing portion on the bottom plate, when the refrigerant expanded by heating in the accommodation space, generation
When pressure size difference, enable to be set on the top plate and/or bottom plate it is different easily tear portion relative to the top plate and/
Or bottom plate separation, to spray refrigerant.
4. heat sink according to claim 3, which is characterized in that the top plate and the bottom plate are that shape size is identical
Plectane, be set to multiple portions of easily tearing of the top plate along the circumferentially disposed of the top plate, be set to the bottom plate it is multiple easily
Portion is torn along the circumferentially disposed of the bottom plate.
5. heat sink according to claim 2, which is characterized in that the shape of the top plate is round, on the top plate
Setting tears portion there are one easy, and the easily portion of tearing is positioned at the center position close to the top plate；
Setting tears portion there are one easy on the bottom plate, and the easily portion of tearing is positioned at the center position close to the bottom plate.
6. according to the heat sink described in claim 1-5 any one, which is characterized in that described easily to tear the cross sectional shape in portion and be
Round or regular polygon.
7. according to the heat sink described in claim 1-5 any one, which is characterized in that the edge for easily tearing portion is provided with
Easy-torn line, the easy-torn line is integrally formed with the easily portion of tearing, and the thickness of the easy-torn line is less than the thickness for easily tearing portion.
8. a kind of battery modules, which is characterized in that including top crown, the multiple single batteries of bottom crown and at least one right
It is required that the heat sink described in 1-7 any one；
The heat sink and each single battery are respectively arranged between the top crown and the bottom crown, with close
When the battery cell failure of the heat sink generates heat, the refrigerant expanded by heating in the heat sink can make described
It easily tears portion to detach relative to the top plate and/or bottom plate, to spray refrigerant.
9. battery modules according to claim 8, which is characterized in that each battery modules further include temperature detector,
Controller and alarm, the temperature detector and the alarm are electrically connected with the controller respectively, the temperature inspection
Device is surveyed to be disposed in proximity at the position of the heat sink to detect the temperature of the heat sink position, the controller
The temperature value detected for obtaining the temperature detector, and the alarm is controlled according to the temperature value and sends out alarm signal
Number.
10. a kind of electric vehicle, which is characterized in that described including the battery modules described in electrical equipment and claim 8 or 9
Electrical equipment is electrically connected with the battery modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398204.3A CN108390130A (en) | 2018-04-28 | 2018-04-28 | Heat sink, battery modules and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398204.3A CN108390130A (en) | 2018-04-28 | 2018-04-28 | Heat sink, battery modules and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108390130A true CN108390130A (en) | 2018-08-10 |
Family
ID=63065094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810398204.3A Pending CN108390130A (en) | 2018-04-28 | 2018-04-28 | Heat sink, battery modules and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108390130A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110690530A (en) * | 2019-10-14 | 2020-01-14 | 东软睿驰汽车技术（沈阳）有限公司 | Safety device and power battery |
| CN111180827A (en) * | 2019-12-31 | 2020-05-19 | 浙江大学 | Novel cylindrical lithium battery thermal management structure |
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