CN108565366A - Thermal management device and supply unit - Google Patents
Thermal management device and supply unit Download PDFInfo
- Publication number
- CN108565366A CN108565366A CN201810210232.8A CN201810210232A CN108565366A CN 108565366 A CN108565366 A CN 108565366A CN 201810210232 A CN201810210232 A CN 201810210232A CN 108565366 A CN108565366 A CN 108565366A
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- Prior art keywords
- thermal management
- management device
- control device
- shell structure
- battery core
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- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 239000003507 refrigerant Substances 0.000 claims abstract description 33
- 230000004308 accommodation Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000005855 radiation Effects 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- 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
- H01M10/62—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
- 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
-
- 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
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to battery thermal management technical fields, more particularly to a kind of thermal management device and supply unit, thermal management device includes having accommodation space to accommodate the shell structure of multiple battery cores, it is set to the refrigerant circulation passage of shell structure, it is set to the expanded by heating layer on the surface of battery core, it is set between battery core and expanded by heating layer to detect the pressure sensor of pressure value, and it is electrically connected with the pressure sensor to receive the controller of the pressure value, the first preset value is prestored in the control device, the control device there are the pressure value when being more than first preset value, the inlet and outlet is controlled to be connected to the storage facilities.By above-mentioned setting to play the role of effectively reliable heat management to each battery core.
Description
Technical field
The present invention relates to battery thermal management technical fields, in particular to a kind of thermal management device and supply unit.
Background technology
In recent years, due to energy cost and environmental pollution the problem of, is more and more prominent, and pure electric automobile and mixing are dynamic
The advantages of power automobile can substantially eliminate even zero-emission vehicle tail gas with it, is paid attention to by government and each Automobile Enterprises.
However pure electric vehicle and hybrid vehicle still have many technical problems to need to break through, battery and capacity attenuation are them
In a major issue.
The service life and capacity attenuation of battery and the temperature difference of battery modules and temperature elevation amplitude have closely
Relationship.Power battery will produce a large amount of heat at work, if the heat can not be discharged in time, will make in power battery
Temperature constantly rise, the temperature difference for causing it internal gradually increases, and final power battery is by the building ring in the big temperature difference
In border, the service life of power battery is influenced.Especially in hot summer, the temperature of natural environment is very high, if cannot and
When effective radiating management is carried out to power battery, final operating temperature is warm by the reasonable work much larger than power battery
Degree, and then seriously affects the service life and battery capacity of power battery, at the same also to the discharge performance of power battery cause compared with
Big interference.
Invention content
In view of this, the purpose of the present invention is to provide a kind of thermal management device and supply unit, to solve above-mentioned technology
Problem.
To achieve the above object, the embodiment of the present invention adopts the following technical scheme that：
A kind of thermal management device, applied to the battery modules for including multiple battery cores, the thermal management device includes：
Shell structure, the shell structure has the accommodation space for accommodating the multiple battery core, and the shell structure is set
It is equipped with refrigerant circulation passage, the refrigerant circulation passage is provided with the inlet and outlet being connected to the storage facilities of storage refrigerant；
Expanded by heating layer, the expanded by heating layer are set to the surface of at least one battery core in the multiple battery core；
Pressure sensor, the pressure sensor are set between the expanded by heating layer and battery core, with detect it is described by
Pressure value between thermal expansion layer and the battery core；
Control device, the control device are electrically connected with the pressure sensor to receive the pressure value, the control
The first preset value is prestored in device, the control device there are the pressure value when being more than first preset value, control
The inlet and outlet is connected to the storage facilities.
Optionally, in above-mentioned thermal management device, the thermal management device further includes electronic switch and thermal resistance, the heat
Resistance is set to the accommodation space, and the control device is connect with the control terminal of the electronic switch, and the thermal resistance passes through
The electronic switch is connect with power supply, the second preset value is also prestored in the control device, the control device is in the pressure
Force value controls the connection that the electronic switch is connected between the power supply and the thermal resistance when being less than second preset value.
Optionally, in above-mentioned thermal management device, the thermal resistance is resistance wire, and the resistance wire is set to the shell
Structure is close to the side of the accommodation space.
Optionally, in above-mentioned thermal management device, the thermal management device further includes connector, and the connector is set to
The surface of the shell structure, the control device and the electronic switch are respectively arranged at the connector far from the shell
The side of body structure.
Optionally, in above-mentioned thermal management device, shell structure includes top plate and bottom plate and multiple side plates, the multiple side
Plate is end to end successively and encloses the composition accommodation space, the top plate and bottom plate and/or multiple sides with the top plate and bottom plate
Plate offers the refrigerant circulation passage, and the shell structure is made from a material that be thermally conductive.
Optionally, in above-mentioned thermal management device, shell structure includes top plate and bottom plate and multiple side plates, the multiple side
Plate is end to end successively and encloses the composition accommodation space with the top plate and bottom plate, and the refrigerant circulation passage is set to institute
Top plate and bottom plate and/or multiple side plates are stated close to the side of the accommodation space.
Optionally, in above-mentioned thermal management device, the top plate and bottom plate and multiple side plates far from the accommodation space one
Side is provided with insulated thermal insulating layer.
Optionally, in above-mentioned thermal management device, the control device includes controller and two valve arrangements, the control
Device processed is separately connected with described two valve arrangements and the pressure sensor, and the inlet and outlet is respectively by described in two
Valve arrangement is connect with the storage facilities.
The present invention also provides a kind of supply units, including：Thermal management device and multiple battery cores, the thermal management device packet
It includes：
Shell structure, the shell structure has the accommodation space for accommodating the multiple battery core, and the shell structure is set
It is equipped with refrigerant circulation passage, the refrigerant circulation passage is provided with the inlet and outlet being connected to the storage facilities of storage refrigerant；
Expanded by heating layer, the expanded by heating layer are set to the surface of at least one battery core in the multiple battery core；
Pressure sensor, the pressure sensor are set between the expanded by heating layer and battery core, with detect it is described by
Pressure value between thermal expansion layer and the battery core；
Control device, the control device are electrically connected with the pressure sensor to receive the pressure value, the control
The first preset value is prestored in device, the control device there are the pressure value when being more than first preset value, control
The inlet and outlet is connected to the storage facilities.
Optionally, in above-mentioned supply unit, the thermal management device further includes the electronic switch being connect with power supply, and with
The thermal resistance of electronic switch connection, the thermal resistance are set to the accommodation space, and the control device passes through the electronics
The control terminal of switch is electrically connected with the thermal resistance, and the second preset value, the control device are also prestored in the control device
The electronic switch is controlled when the pressure value is less than second preset value to be connected between the power supply and the thermal resistance
Connection.
A kind of thermal management device and supply unit provided by the invention, thermal management device include having accommodation space to accommodate
The shell structure of multiple battery cores, and shell structure is provided with refrigerant circulation passage, is set to the expanded by heating layer on the surface of battery core,
It is set between battery core and expanded by heating layer the pressure sensor to detect pressure value and is controlled according to pressure value, with the pressure
Force snesor is electrically connected to receive the controller of the pressure value, and the first preset value, the control are prestored in the control device
Device processed controls the inlet and outlet and connects with the storage facilities when being more than first preset value there are the pressure value
It is logical.By above-mentioned setting to play the role of effectively reliable heat management to each battery core.
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 structural schematic diagram of power-supply device provided in an embodiment of the present invention.
Fig. 2 is a kind of another structural schematic diagram of power-supply device provided in an embodiment of the present invention.
Fig. 3 is a kind of structure diagram of thermal management device provided in an embodiment of the present invention.
Fig. 4 is a kind of structural schematic diagram of thermal management device provided in an embodiment of the present invention.
Icon：10- supply units；100- thermal management devices；110- shell structures；120- refrigerant circulation passages；130- by
Thermal expansion layer；140- pressure sensors；150- control devices；152- controllers；154- valve arrangements；160- electronic switches；
170- thermal resistances；180- connectors；300- battery cores.
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, the present invention is applied by the technical solution in example is clearly and completely described, it is clear that described embodiment is this
Invention a part of the embodiment, instead of all the embodiments.The embodiment of the present invention for usually describing and showing in this figure
Component 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 is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
Referring to Fig. 1, the present invention provides a kind of supply unit 10, the supply unit 10 includes 100 He of thermal management device
Multiple battery cores 300, the multiple battery core 300 are respectively arranged at the thermal management device 100, so that the thermal management device 100
Heat management is carried out to the multiple battery core 300.
Incorporated by reference to Fig. 2, Fig. 3 and Fig. 4, the present invention provides a kind of thermal management device 100 applied to above-mentioned supply unit 10,
The thermal management device 100 includes shell structure 110, expanded by heating layer 130, pressure sensor 140 and control device 150.
The shell structure 110 has the accommodation space for accommodating the multiple battery core 300, and the shell structure 110 is set
Be equipped with refrigerant circulation passage 120, the refrigerant circulation passage 120 be provided with the import being connected to the storage facilities of storage refrigerant and
Outlet, the expanded by heating layer 130 are set to the surface of at least one battery core 300 in the multiple battery core 300, and the pressure passes
Sensor 140 is set between the expanded by heating layer 130 and battery core 300, to detect the expanded by heating layer 130 and the battery core
Pressure value between 300, the control device 150 is electrically connected with the pressure sensor 140 to receive the pressure value, described
Prestore the first preset value in control device 150, the control device 150 is to be more than described first default there are the pressure value
When value, controls the inlet and outlet and be connected to the storage facilities.
By above-mentioned setting, temperature can increase battery core 300 in use, so that the expanded by heating layer 130 is heated swollen
Swollen and then extruding is set to the pressure sensor 140 between the battery core 300 and the expanded by heating layer 130, due to heated swollen
For swollen layer 130 under expanded by heating, volume change is apparent, and then squeezing the pressure sensor 140 makes the pressure value detected become
Change larger, the pressure sensor 140 detects to obtain pressure value when being extruded and is sent to the control device 150, described
Control device 150 controls the inlet and outlet and the storage when receiving the pressure value more than first preset value
Equipment connection is deposited, so that the refrigerant in storage facilities is flowed by the refrigerant circulation passage 120, and then is realized to being set to
The battery core 300 stated in accommodation space radiates.
Wherein, the shape of the shell structure 110 can be the regular shapes such as hollow cuboid or square, can also
It is arbitrary irregular shape, is not specifically limited herein, is configured according to actual demand.
Optionally, in the present embodiment, the shell structure 110 includes top plate and bottom plate and multiple side plates, the multiple side
Plate is end to end successively and encloses the composition accommodation space with the top plate and bottom plate.
The mode that the refrigerant circulation passage 120 is arranged in the shell structure 110 can be the refrigerant circulation passage
120 are set to any position of the shell structure 110.For example, in the present embodiment, the roof and floor of the shell structure 110,
Bottom plate and/or multiple side plates offer the refrigerant circulation passage 120, can also be the refrigerant circulation passage 120 by heat conduction
Pipeline made of material, and the top plate and bottom plate and/or multiple side plates are set to close to the side of the accommodation space.
The refrigerant circulation passage 120 of stating serpentine-like can be set to the bottom plate, top plate and/or multiple side plates, also may be used
Can also be to be randomly provided in the top plate and bottom plate and/or side to be in that bar shaped is set to the top plate and bottom plate and/or side plate
Plate is not specifically limited herein.
By above-mentioned setting to realize that being more than described first to the pressure value detected in the pressure sensor 140 presets
When value, effective dissipate can be played to the battery core 300 in the accommodation space by the refrigerant in the refrigerant circulation passage 120
Heat effect.
The expanded by heating layer 130 is made of the larger material of coefficient of thermal expansion, as polyamide (nylon 6) material, bakelite,
Hard rubber or polyvinyl chloride, are not specifically limited herein, are configured according to actual demand.
The quantity of the expanded by heating layer 130 can be one, can also be multiple.Optionally, in the present embodiment, institute
The quantity for stating expanded by heating layer 130 is multiple, and each expanded by heating layer 130, which corresponds to, is installed on battery core 300
Surface.
The quantity of the pressure sensor 140 can be one, can also be it is multiple, optionally, in the present embodiment, institute
The quantity for stating pressure sensor 140 is multiple, and each expanded by heating layer 130 can correspond to a pressure sensor 140,
Multiple pressure sensors 140 can be corresponded to, are not specifically limited herein, are configured according to actual demand.
It should be noted that when the pressure sensor 140 is multiple, the control device 150 can exist in advance
If the pressure value of quantity is more than first preset value, controls the inlet and outlet and be connected to the storage facilities.
For ease of controlling connection or disconnection between the inlet and outlet and the storage facilities, in the present embodiment,
The control device 150 includes controller 152 and two valve arrangements 154, the controller 152 and described two valve arrangements
154 and the pressure sensor 140 be separately connected, the inlet and outlet passes through two valve arrangements 154 and institute respectively
State storage facilities connection.
Wherein, the controller 152 may be a kind of IC chip, the processing capacity with signal.Above-mentioned control
Device 152 processed can be general processor, including central processing unit (Central Processing Unit, CPU), network processes
Device (Network Processor, NP) etc..It can also be digital signal processor (DSP), application-specific integrated circuit (ASIC), show
Field programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware
Component.
To keep the practicability of the thermal management device 100 stronger, in the present embodiment, the thermal management device 100 also wraps
Electronic switch 160 and thermal resistance 170 are included, the thermal resistance 170 is set to the accommodation space, the control device 150 and institute
The control terminal connection of electronic switch 160 is stated, the thermal resistance 170 is electrically connected to a power source by the electronic switch 160, the control
The second preset value is also prestored in device 150 processed, the control device 150 is when the pressure value is less than second preset value
Control the connection that the electronic switch 160 is connected between the power supply and the thermal resistance 170.
Since expanded by heating layer 130 is when temperature is too low, the effect of contraction is will produce, so that being set to described heated
The pressure value that pressure sensor 140 between expanding layer 130 and the battery core 300 detects becomes smaller, and is less than in the pressure value
When the second preset value, the connection that the electronic switch 160 is connected between power supply and thermal resistance 170 is controlled, power supply is filled with realizing
The battery core 300 set in 10 heats, and then battery core 300 is made to be operated under preferable state of temperature.
In the present embodiment, the thermal resistance 170 is resistance wire, and the resistance wire is set to the shell structure 110 and leans on
The side of the nearly accommodation space.
Wherein, the resistance wire be set to mode of the shell structure 110 close to the side of the accommodation space can be with
It is that the resistance wire is embedded at the shell structure 110 close to the side of the accommodation space, can also be that the resistance wire is logical
It crosses connection component and is set to the shell structure 110 close to the side of the accommodation space, be not specifically limited herein.
When to avoid the control device 150 from being connect by conducting wire with each pressure sensor 140, the conducting wire is mixed and disorderly
The case where, in the present embodiment, the thermal management device 100 further includes connector 180, and the connector 180 is set to described
It is remote that the surface of shell structure 110, the control device 150 and the electronic switch 160 are respectively arranged at the connector 180
Side from the shell structure 110.
Further to ensure that the thermal management device 100 plays more preferably heat dissipation effect to the battery core 300, in this implementation
In example, the side of the top plate and bottom plate and multiple side plates far from the accommodation space is provided with insulated thermal insulating layer.
By the way that the insulated thermal insulating layer is arranged, effectively to avoid the thermal management device 100 from being carried out to the battery core 300
Heating and the case where in radiation processes, heat losses or heat enter in accommodation space and then influence heat dissipation effect.
To sum up, a kind of thermal management device 100 and supply unit 10 provided by the invention, the supply unit 10 include multiple
Battery core 300 and the thermal management device 100, the thermal management device 100 is by being arranged shell structure 110, refrigerant circulation passage
120, expanded by heating layer 130, pressure sensor 140 and control device 150, to detect electricity in the press detection sensor
When pressure between core 300 and the expanded by heating layer 130 is more than the first preset pressure value, the control device 150 controls institute
The inlet and outlet for stating refrigerant circulation passage 120 is connected to the storage facilities, and then is realized and carried out effectively to the battery core 300
Reliable heat management.Further, by the way that electronic switch 160 and thermal resistance 170 is arranged, to be examined in the press detection sensor
When measuring the pressure value between battery core 300 and the expanded by heating layer 130 less than the second preset pressure value, electronic switch is controlled
Connection between 160 connection power supplys and thermal resistance 170 carries out effective reliable heat pipe to further realize to the battery core 300
Reason.
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, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of thermal management device, applied to the battery modules for including multiple battery cores, which is characterized in that the thermal management device packet
It includes：
Shell structure, the shell structure has the accommodation space for accommodating the multiple battery core, and the shell structure is provided with
Refrigerant circulation passage, the refrigerant circulation passage are provided with the inlet and outlet being connected to the storage facilities of storage refrigerant；
Expanded by heating layer, the expanded by heating layer are set to the surface of at least one battery core in the multiple battery core；
Pressure sensor, the pressure sensor are set between the expanded by heating layer and battery core, described heated swollen to detect
Pressure value between swollen layer and the battery core；
Control device, the control device are electrically connected with the pressure sensor to receive the pressure value, the control device
In prestore the first preset value, the control device there are the pressure value when being more than first preset value, described in control
Inlet and outlet is connected to the storage facilities.
2. thermal management device according to claim 1, which is characterized in that the thermal management device further include electronic switch and
Thermal resistance, the thermal resistance are set to the accommodation space, and the control device is connect with the control terminal of the electronic switch, institute
It states thermal resistance to connect with power supply by the electronic switch, the second preset value, the control is also prestored in the control device
Device controls the electronic switch when the pressure value is less than second preset value and is connected to the power supply and the thermal resistance
Between connection.
3. thermal management device according to claim 2, which is characterized in that the thermal resistance is resistance wire, the resistance wire
The shell structure is set to close to the side of the accommodation space.
4. thermal management device according to claim 2, which is characterized in that the thermal management device further includes connector, institute
The surface that connector is set to the shell structure is stated, the control device and the electronic switch are respectively arranged at the company
Side of the fitting far from the shell structure.
5. thermal management device according to claim 1, which is characterized in that shell structure includes top plate and bottom plate and multiple sides
Plate, the multiple side plate is end to end successively and encloses the composition accommodation space, the top plate, bottom with the top plate and bottom plate
Plate and/or multiple side plates offer the refrigerant circulation passage, and the shell structure is made from a material that be thermally conductive.
6. thermal management device according to claim 1, which is characterized in that shell structure includes top plate and bottom plate and multiple sides
Plate, the multiple side plate is end to end successively and encloses the composition accommodation space, the refrigerant stream with the top plate and bottom plate
Circulation passage is set to the top plate and bottom plate and/or multiple side plates close to the side of the accommodation space.
7. thermal management device according to claim 5 or 6, which is characterized in that the top plate and bottom plate and multiple side plates are separate
The side of the accommodation space is provided with insulated thermal insulating layer.
8. thermal management device according to claim 1, which is characterized in that the control device includes controller and two valves
Device is controlled, the controller is separately connected with described two valve arrangements and the pressure sensor, the inlet and outlet point
It is not connect with the storage facilities by two valve arrangements.
9. a kind of supply unit, which is characterized in that including：Thermal management device and multiple battery cores, the thermal management device include：
Shell structure, the shell structure has the accommodation space for accommodating the multiple battery core, and the shell structure is provided with
Refrigerant circulation passage, the refrigerant circulation passage are provided with the inlet and outlet being connected to the storage facilities of storage refrigerant；
Expanded by heating layer, the expanded by heating layer are set to the surface of at least one battery core in the multiple battery core；
Pressure sensor, the pressure sensor are set between the expanded by heating layer and battery core, described heated swollen to detect
Pressure value between swollen layer and the battery core；
Control device, the control device are electrically connected with the pressure sensor to receive the pressure value, the control device
In prestore the first preset value, the control device there are the pressure value when being more than first preset value, described in control
Inlet and outlet is connected to the storage facilities.
10. supply unit according to claim 9, which is characterized in that the thermal management device further includes being connect with power supply
Electronic switch, and the thermal resistance that is connect with the electronic switch, the thermal resistance be set to the accommodation space, the control dress
It sets and is electrically connected with the thermal resistance by the control terminal of the electronic switch, it is default that second is also prestored in the control device
Value, the control device controlled when the pressure value is less than second preset value electronic switch be connected to the power supply with
Connection between the thermal resistance.
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| CN201810210232.8A CN108565366B (en) | 2018-03-14 | 2018-03-14 | Thermal management device and power supply device |
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| CN108565366B (en) | 2023-12-01 |
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