CN109980321A - Vehicle and cell apparatus and its thermal management algorithm - Google Patents
Vehicle and cell apparatus and its thermal management algorithm Download PDFInfo
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- CN109980321A CN109980321A CN201910158793.2A CN201910158793A CN109980321A CN 109980321 A CN109980321 A CN 109980321A CN 201910158793 A CN201910158793 A CN 201910158793A CN 109980321 A CN109980321 A CN 109980321A
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- 238000001816 cooling Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000007726 management method Methods 0.000 description 20
- 238000004378 air conditioning Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
- H01M10/6561—Gases
- H01M10/6562—Gases with free flow by convection only
-
- 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
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
- H01M10/6565—Gases with forced flow, e.g. by blowers with recirculation or U-turn in the flow path, i.e. back and forth
-
- 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
- H01M10/6561—Gases
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
-
- 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
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
-
- 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
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
-
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Secondary Cells (AREA)
Abstract
This application discloses vehicles and cell apparatus and its thermal management algorithm, the cell apparatus includes the battery cell for being packaged in shell and being spaced apart from each other setting, the air duct with the first side opening and the second side opening is formed between every two adjacent battery cell, the multiple air duct is connected to the current path to form self-loopa.According to the technical solution of the application, by the way that the current path of self-loopa is arranged inside cell apparatus, can efficiently and equably the temperature of cell apparatus be managed.
Description
Technical field
This application involves field of batteries, more specifically to vehicle and cell apparatus and its thermal management algorithm.
Background technique
As current social is for the pay attention to day by day of environmental protection, more and more new energy vehicles, including hybrid power
Vehicle and pure electric vehicle, have entered among people's lives.
In new energy vehicle, the power battery device for providing electric energy for the motor as driving machine is new energy vehicle
Core apparatus.In different regions, vehicle can face different running environments, therefore power battery device can face temperature
Lower low temperature environment can also face the higher hot environment of temperature.In order to ensure power battery device is in good reliable
In operating status, need the temperature control by power battery device within the scope of reasonable.
Usually, heat will necessarily be generated in charge and discharge process due to power battery device, in more situations
It needs to cool down power battery device, by dissipating extra heat, the temperature of power battery device is maintained
In reasonable temperature range section.
There are mainly three types of the common types of cooling: air-cooled, liquid cooling and direct-cooled.Wherein, it is air-cooled be using Cryogenic air as medium,
The temperature of power battery device is reduced by way of medium convection current；Liquid cooling is using cryogenic liquid as medium, by power battery
The temperature of power battery device is taken away and reduced to the heat that device generates；Direct-cooled is the principle using refrigerant evaporation latent heat, is led to
Refrigerant is crossed to evaporate in evaporator and quickly and efficiently take away the heat of power battery device.These three type of cooling performances
Respectively there is superiority and inferiority, such as air-cooled efficiency is lower and heating or lowering temperature uniform are bad, liquid cooling mode is more demanding for airtightness, directly
Cold mode does not meet light-weighted requirement.
Therefore, how to obtain a kind of performance and be able to what the cell apparatus heat management mode balanced needed to solve as this field
Technical problem.
Summary of the invention
In view of this, present applicant proposes the solutions for being directed to cell apparatus, wherein the cell apparatus can be realized
Performance is able to the heat management mode balanced.
According to the application, a kind of cell apparatus is proposed, the cell apparatus includes being packaged in shell and being spaced apart from each other
The battery cell of setting forms the air duct with the first side opening and the second side opening between every two adjacent battery cell,
The multiple air duct is connected to the current path to form self-loopa.
Preferably, the current path of the self-loopa is formed in the following way: in the multiple air duct a part of air duct
The first side opening another part in the multiple air duct is connected to by the first air flow drive device of preferably bidirectional driving
First side opening in air duct, first air flow drive device is preferably fan；Another portion described in the multiple air duct and/or
Second side opening in point air duct is connected to institute in the multiple air duct by the second air flow drive device of preferably bidirectional driving
Second side opening in a part of air duct is stated, second air flow drive device is preferably fan.
Preferably, first air flow drive device is arranged in series the primary heater for being heated to air-flow
And/or the first evaporator for cooling down to air-flow；And/or second air flow drive device be arranged in series for pair
The secondary heater that air-flow is heated and/or the second evaporator for cooling down to air-flow.
Preferably, first side opening in a part of air duct is connected to first passage in the multiple air duct, the multiple
First side opening in another part air duct is connected to second channel in air duct, another part air duct described in the multiple air duct
The second side opening be connected to third channel, second side opening in a part of air duct described in the multiple air duct is connected to
Fourth lane, wherein first air flow drive device is provided between the first passage and second channel；And/or it is described
The second air flow drive device is provided between third channel and fourth lane.
Preferably, the primary heater is set in the first passage and/or first evaporator is set to institute
It states in second channel, the preferably described primary heater and the first evaporator are arranged close to first air flow drive device；With/
Or the secondary heater is set in the third channel and/or second evaporator is set in fourth lane, preferably
The ground secondary heater and second evaporator are arranged close to second air flow drive device.
Preferably, the passage section area in the air duct is variation, between the air-flow can flow through each air duct
With relatively uniform flow velocity.
Preferably, air duct height having the same, the width in the air duct and the air duct and first air-flow
The distance of driving device or the second air flow drive device is directly proportional.
Preferably, shell is made of the Heat Conduction Material of such as aluminium, copper, graphite.
Preferably, the cell apparatus includes: sensor, and the sensor is for detecting the intracorporal environment temperature of the shell
Degree；Controller, the controller are electrically connected with the sensor, the ambient temperature signal detected for receiving the sensor
And according to the ambient temperature signal issue command signal, the controller also with first air flow drive device and first
Heater and/or the electrical connection of the first evaporator, and its operating status is controlled according to described instruction signal；And/or the controller
It is also electrically connected with second air flow drive device and secondary heater and/or the second evaporator, and is believed according to described instruction
Number control its operating status.
Preferably, the sensor is set to first air flow drive device and/or the second air flow drive device.
Preferably, the cell apparatus has at least one following operating condition: nominal situation: detecting institute in the sensor
When stating environment temperature and being located within the first temperature threshold to the preset range between second temperature threshold value, the controller makes described
First air flow drive device and/or the second air flow drive device low speed operation, and the primary heater, the first evaporator,
Secondary heater and the second evaporator are not run；Cooling operating condition: detect that the environment temperature is higher than institute in the sensor
When stating second temperature threshold value, the controller transports first air flow drive device and/or the second air flow drive device high speed
Row, and the primary heater and secondary heater are not run, first evaporator and/or the operation of the second evaporator；
Heating cycle: when the sensor detects the environment temperature lower than first temperature threshold, the controller makes institute
State the first air flow drive device and/or the second air flow drive device high-speed cruising, and first evaporator and the second evaporation
Device is not run, the primary heater and/or secondary heater operation；First temperature threshold be subzero 30 degrees Celsius extremely
It is subzero 10 degrees Celsius, preferably subzero 25 degrees Celsius to subzero 15 degrees Celsius, 20 degrees Celsius most preferably subzero；Second temperature
Spending threshold value is 50 degrees Celsius to 70 degrees Celsius, preferably 55 degrees Celsius to 65 degrees Celsius, most preferably 60 degrees Celsius.
Preferably, the air-flow driven by first air flow drive device and/or the second air flow drive device is in the gas
The flow direction of logical circulation road is opposite in the cooling operating condition and the heating cycle.
According to the another aspect of the application, the thermal management algorithm of cell apparatus is additionally provided, the cell apparatus includes envelope
Loaded in shell and the battery cell of setting is spaced apart from each other, being formed between every two adjacent battery cell has the first side opening
With the air duct of the second side opening, the thermal management algorithm includes the air-flow by being connected to the self-loopa formed by the multiple air duct
Self-loopa air-flow in access realizes the heat management to the cell apparatus.
Preferably, the thermal management algorithm is including the use of the first air flow drive device of preferably bidirectional driving and/or
Two air flow drive devices drive the self-loopa air-flow in the current path internal circulation flow.
Preferably, the thermal management algorithm includes that the self-loopa air-flow is cooled down or heated.
Preferably, the thermal management algorithm includes having relatively uniform flow velocity between the air-flow for flowing through each air duct.
Preferably, the thermal management algorithm includes: to be located at the first temperature threshold in the intracorporal environment temperature of the shell
When within the preset range between two temperature thresholds, the self-loopa air-flow is not cooled down or heated；In the environment temperature
When degree is higher than the second temperature threshold value, cool down to the self-loopa air-flow；It is lower than described first in the environment temperature
When temperature threshold, the self-loopa air-flow is heated；First temperature threshold is subzero 30 degrees Celsius to subzero 10 and takes the photograph
Family name's degree, it is preferably subzero 25 degrees Celsius to subzero 15 degrees Celsius, 20 degrees Celsius most preferably subzero；The second temperature threshold value is
50 degrees Celsius to 70 degrees Celsius, preferably 55 degrees Celsius to 65 degrees Celsius, most preferably 60 degrees Celsius.
According to the application's in another aspect, providing a kind of vehicle, the vehicle has above-mentioned cell apparatus, the vehicle
Preferably hybrid electric vehicle or pure electric vehicle.
According to the technical solution of the application, by the way that the current path of self-loopa is arranged inside cell apparatus, rather than borrow
Help the air-flow of external supply, thus, it is possible to by realizing self-loopa air-flow in the current path by the self-loopa, thus right
The cell apparatus carries out heat management.Therefore, can efficiently and equably the temperature of cell apparatus is managed, will not band
Come airtightness and light-weighted problem.Therefore, the heat management mode that performance more balances can be obtained, realizes the mesh of the application
's.
Other features and advantage are by the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, the schematic reality of the application
Mode and its explanation are applied for explaining the application.In the accompanying drawings:
Fig. 1 is the structural schematic diagram according to the cell apparatus of the application preferred embodiment.
Fig. 2 and Fig. 3 is respectively the partial enlarged view of Fig. 1, to indicate air flow drive device and heater and/or evaporator
Arrangement.
Fig. 4 is the schematic diagram for indicating the different in width in air duct between battery cell in cell apparatus shown in FIG. 1.
Fig. 5 and Fig. 6 is the airflow direction signal for indicating cell apparatus shown in FIG. 1 under cooling operating condition and heating cycle
Figure.
Fig. 7 indicates control strategy of the cell apparatus under different operating conditions.
Specific embodiment
The technical solution of the application is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
As shown in Figure 1, including the battery for being packaged in shell 10 and being spaced apart from each other setting according to the cell apparatus of the application
Monomer 11 forms the air duct with the first side opening 121 and the second side opening 122 between every two adjacent battery cell 11
12, wherein the multiple air duct 12 is connected to the current path for forming self-loopa.
Cell apparatus can be rechargeable battery, such as lithium ion battery, fuel cell.In this application, mainly to
The structure feature that the technical solution relationship of the application is more close is explained such as shell and battery cell, and is omitted
Other structure features not very close with the technical solution relationship of the application, such as electric connection structure.
In the cell apparatus, shell 10 constitutes the external structure of cell apparatus, and provides knot for entire cell apparatus
Structure protection.Shell 10 can be made of non-metallic material, such as engineering plastics, can also be made of metal material, such as aluminium alloy.
In the preferred embodiment of the application, shell 10 is made from a material that be thermally conductive, and especially hot good conductor material is made, as aluminium,
Copper, graphite, to can also realize the heat management to cell apparatus by shell.
The shape of shell 10 can have diversified forms, such as cylindrical or cuboid or irregular three-dimensional shape.But
The shape of tube shell 10 is not how, and the battery cell 11 being spaced each other is provided in the shell 10.Therefore, in adjacent electricity
Air duct 12 is formed between the monomer of pond.In some embodiments, wind can also be formed between adjacent battery cell and shell
Road, the application technical solution claimed also cover such situation.There are two openings for each tool of air duct 12, as shown in Figure 1,
The first side opening 121 positioned at side and the second side opening 122 positioned at another opposite side.In this application, so-called " the
One " or " second " main purpose be to discriminate between two of air duct 12 openings, without constituting the limit to the application institute protection technique scheme
System.Therefore, although in the structure shown in illustrations, the opening on right side in figure is defined as the first side opening, and will be left
Side opening is defined as the second side opening, and purpose is for distinguishing it.The opening in left side can also be defined as the first side
Opening, and right openings are defined as the second side opening.
In the technical solution of the application, the multiple air duct 12 is connected to the current path for forming self-loopa.Therefore, right
When cell apparatus carries out heat management, it can be connected in the current path of the self-loopa formed above-mentioned by the multiple air duct 12,
Self-loopa air-flow is realized, without being blown by means of outside, to realize more uniform temperature with relatively high efficiency
Degree distribution.Meanwhile it not needing to propose higher rigors to the airtightness of cell apparatus and lightweight yet.
The current path of the self-loopa can be formed in several ways.For example, two air ducts of every selection are mutually gone here and there
Connection, so as to form a plurality of independent self-loopa current path.But in the preferred case, as shown in Figure 1, the self-loopa
Current path is formed in the following way:
The first air-flow that first side opening 121 in a part of air duct passes through preferably bidirectional driving in the multiple air duct 12
Driving device 100 is connected to first side opening 121 in another part air duct in the multiple air duct 12；And/or the multiple wind
The second air flow drive device 200 that second side opening 122 in another part air duct described in road 12 passes through preferably bidirectional driving
It is connected to second side opening 122 in a part of air duct described in the multiple air duct 12.
According to the structure, a part of air duct is connected to another part air duct ending, is followed certainly to generally form
The current path of ring.First air flow drive device 100 and the second air flow drive device 200 can design any one, preferably
Both have for design, so that the air-flow in the current path of the self-loopa is flowed according to predetermined speed.In addition, since battery fills
Internal temperature difference is set, air flow drive device can also be not provided with, but make the gas in current path using the presence of temperature difference
Flow automatic cycle.The air flow drive device is preferably fan, but the application is not limited to this, and can also utilize other drives such as pump
Dynamic device is realized.The preferably bidirectional driving of air flow drive device, so that current path meets different duty requirements.Utilize
One air flow drive device 100 and/or the second air flow drive device 200 can provide driving force to the self-loopa air-flow, make it
In current path internal circulation flow.
In order to further carry out heat management to cell apparatus, under preferable case, as shown in Figures 2 and 3, first air-flow
Driving device 100 is arranged in series primary heater 101 for being heated to air-flow and/or for cooling down to air-flow
The first evaporator 102；And/or second air flow drive device 200 is arranged in series for being heated to air-flow
Two heaters 201 and/or the second evaporator 202 for cooling down to air-flow.
Heater can be the various heaters suitable for cell apparatus, such as the high-temperature portion of electric heating wire, air-conditioning system
Part etc..Evaporator is generally the low-temperature device in air-conditioning system.Above-mentioned air-conditioning system can be for set by cell apparatus installation site
The air-conditioning device set, or be exclusively used in the air-conditioning device of cell apparatus.So-called " series connection " refers to, such as Fig. 2 and Fig. 3 institute
Show, heater or evaporator be arranged in in the concatenated access of air flow drive device and be located at air flow drive device upstream or under
Trip.Under preferable case, as shown in Figures 2 and 3, the primary heater 101 and the first evaporator 102 are close to first air-flow
Driving device 100 is arranged；And/or the secondary heater 201 and second evaporator 202 are close to second air stream drives
Device 200 is arranged.
First side opening and the second side opening in each air duct can be respectively communicated in air flow drive device.In preferable case
Under, it can be first connected to public passage, then be connected to air flow drive device.As shown in Figure 1, a part of wind in the multiple air duct 12
First side opening 121 in road is connected to first passage 21, first side opening in another part air duct in the multiple air duct 12
121 are connected to second channel 22, and second side opening 122 in another part air duct described in the multiple air duct 12 is connected to
Second side opening 122 of third channel 23, a part of air duct described in the multiple air duct 12 is connected to fourth lane 24,
In, first air flow drive device 100 is provided between the first passage 21 and second channel 22；And/or the third
The second air flow drive device 200 is provided between channel 23 and fourth lane 24.
In the current path, as shown in Figure 1, first side opening 121 in a part of air duct is connected to public first
Channel 21, the first side opening of another part air duct 121 are connected to public second channel 22, and the second of another part air duct
Side opening 122 is connected to public third channel 23, and second side opening 122 in a part of air duct is connected to public the 4th
Channel 24.Therefore, in the preferred embodiment illustrated in fig. 1, a part of air duct, first passage 21, the first air stream drives
Device 100, second channel 22, another part air duct, third channel, the second air flow drive device 200, the 4th air duct sequence
Connection, to form the current path of self-loopa.
As shown in Figures 2 and 3, in the preferred case, the primary heater 101 is set in the first passage 21,
And/or first evaporator 102 is set in the second channel 22；The secondary heater 201 is set to the third
In channel 23 and/or second evaporator 202 is set in fourth lane 24.Therefore, heater and/or evaporator are set
It is placed in corresponding public passage, the gas flow temperature in each air duct being connected to the public passage can be adjusted simultaneously
Control.
According to the technical solution of the application, by the way that the self-loopa air-flow is cooled down or heated, to realize to whole
The heat management of a cell apparatus, to be adapted to different operating conditions.
As described above, the mode of self-loopa can be improved the uniformity of cell apparatus interior temperature distribution.In order to further
Being uniformly distributed for temperature is improved, in the preferred case, as shown in figure 4, the flow area in each air duct 12 is different or changes
, between the air-flow to flow through each air duct 12 there is relatively uniform flow velocity in other words to flow through the gas in each air duct 12
Stream flow velocity is consistent substantially, or within preset range by current difference limitation.
This is because if keeping each air duct 12 flow area having the same, but due to being filled apart from air stream drives
The distance set is different, therefore the distance that will appear in this case apart from air flow drive device is closer, then flows through described
The flow velocity of the air-flow in air duct is also higher；And the distance apart from air flow drive device is remoter, then flows through the stream of the air-flow in the air duct
Speed is also smaller.Thus, this will lead to, and different air duct interior air-flow flow velocity difference are larger, cause radiate or heat effect difference compared with
Greatly, make the temperature difference in cell apparatus relatively large.
Therefore, in the preferred case, by make program of flow area for governing be it is different or variation, it is each so as to make
The flow velocity in air duct keeps same or similar, to obtain better temperature uniformity.
It is further preferred that the air duct 12 height having the same, the width d in the air duct 12 and the air duct and institute
The distance for stating the first air flow drive device 100 or the second air flow drive device 200 is directly proportional.As shown in figure 4, the width in each air duct
Different, closer apart from the air flow drive device air duct d is spent, width d is smaller；And the wind remoter apart from air flow drive device
Road, width d are wider.Similarly, in the two sides of air flow drive device, apart from the air flow drive device apart from same or similar
Air duct, width d are same or similar.
In this application, each air duct 12 of cell apparatus is divided for " a part " and " another part ".Described " one
Point " air duct quantity can be identical or not identical as the air duct quantity of " another part ", preferably identical quantity.Such as Fig. 1 institute
Show, can also be more or less both for 6, such as be 2,3 or 8,10.
As shown in Figure 1, above-mentioned each public channel 21 to 24 is arranged at the inside of shell 10, the application is not limited to
This.In the case of enclosure interior is close in the two sides of battery cell 11, above-mentioned each channel 21 to 24 also be can be set in shell
Outside, but need to keep the airtightness of battery entirety.
Each structure feature of cell apparatus is described in detail above.Below with regard to the cell apparatus and its heat
The strategy of management method is illustrated.
In the preferred embodiment of the application, the cell apparatus includes: sensor, and the sensor is for detecting institute
State the intracorporal environment temperature of shell；Controller, the controller are electrically connected with the sensor, for receiving the sensor detection
The ambient temperature signal that arrives simultaneously issues command signal according to the ambient temperature signal, the controller also with first air-flow
Driving device 100 and primary heater 101 and/or the electrical connection of the first evaporator 102, and it is controlled according to described instruction signal
Operating status (as controls the operation of the first air flow drive device 100 and primary heater 101 and/or the first evaporator 102
State)；And/or the controller is also steamed with second air flow drive device 200 and secondary heater 201 and/or second
Device 202 is sent out to be electrically connected, and according to described instruction signal control its operating status (as control the second air flow drive device 200 with
And the operating status of secondary heater 201 and/or the second evaporator 202).
Sensor can be set in the suitable position in cell apparatus, such as suitable air duct 12.But under preferable case,
The sensor is set to first air flow drive device 100 and/or the second air flow drive device 200.Controller can be
Such as the ECU of vehicle, or it is exclusively used in the controller of the cell apparatus, such as single-chip microcontroller.Pass through the detection of sensor, control
Device knows the temperature conditions in present battery device, and then according to pre-set control strategy, control air flow drive device and
The working condition of its heater and/or evaporator, thus within the scope of the state of temperature of cell apparatus is maintained at ideal, it is real
Now to the good heat management of cell apparatus.
Specifically, as shown in Figures 5 to 7, the cell apparatus has at least one following operating condition:
Nominal situation: detect that the environment temperature is located at the first temperature threshold to second temperature threshold value in the sensor
Between preset range within when, the controller makes first air flow drive device 100 and/or the second air flow drive device
The operation of 200 low speed, and the primary heater 101, the first evaporator 102, secondary heater 201 and the second evaporator 202
It does not run.In normal conditions, the self-loopa air-flow is not cooled down or is heated.
Under the nominal situation, the blowing direction of air flow drive device can be arbitrarily selected.In design, there are two air-flows
In the embodiment of driving device, the two can be made to air-flow driving direction having the same.There is good heat conductive in shell 10
In the embodiment of performance, the heat sinking function of part can be realized by shell.
Under most of working condition, the cooling operating condition that more needs to radiate.As shown in figure 5 and figure 7, in cooling operating condition
In, when the sensor detects that the environment temperature is higher than the second temperature threshold value, the controller makes described first
200 high-speed cruising of air flow drive device 100 and/or the second air flow drive device, and the primary heater 101 and second adds
Hot device 201 is not run, first evaporator 102 and/or the operation of the second evaporator 202.Under the operating condition that cools down, to it is described from
Circulating current cools down；
" low speed " and " high speed " of described air flow drive device is relative concept in this application, the specific speed of service
And the speed of the air-flow thus driven can select to design according to specific operating condition.If a sensor senses that temperature it is high
When second temperature threshold value, then accelerate the flowing of air-flow, while cooling down to air-flow using evaporator, so that integral battery fills
The interior environment temperature decline set, until the environment temperature drops within suitable temperature range, i.e. the first temperature
Within threshold value to the preset range between second temperature threshold value.With that is, cell apparatus is again introduced into nominal situation.
In the case where ambient temperature is lower, it is sometimes necessary to the heating cycle to heat up to battery.It is specific next
It says, as shown in Figure 6 and Figure 7, when the sensor detects the environment temperature lower than first temperature threshold, the control
Device processed makes 200 high-speed cruising of first air flow drive device 100 and/or the second air flow drive device, and described first steams
Hair device 102 and the second evaporator 202 are not run, and the primary heater 101 and/or secondary heater 201 are run.By making
Evaporator is out of service, and heater is kept to work, so that the interior environment temperature of cell apparatus is made to be increased as early as possible, with
Ensure the normal work of cell apparatus.Under heating cycle, the self-loopa air-flow can be heated.
It above-mentioned first temperature threshold and can be selected according to specific operating condition higher than the second temperature threshold value of the first temperature threshold
It selects.Under preferable case, first temperature threshold is subzero 30 degrees Celsius to subzero 10 degrees Celsius, 25 degrees Celsius preferably subzero
It is 20 degrees Celsius most preferably subzero to subzero 15 degrees Celsius；The second temperature threshold value is 50 degrees Celsius to 70 degrees Celsius, preferably
It is 55 degrees Celsius to 65 degrees Celsius, most preferably 60 degrees Celsius.
In addition, when the temperature that sensor detects is exactly equal to temperature threshold, can according to specific actual conditions and
Select above-mentioned three kinds of different operating conditions.
Fig. 5 and Fig. 6 is exemplary representation in cooling operating condition and heating cycle downstream direction, it is preferable that by described first
Air flow drive device 100 and/or the second air flow drive device 200 driving air-flow the current path flow direction in the drop
It is opposite in warm operating condition and the heating cycle.But the application is not limited to this, and may be designed in identical flow direction, but add
The operating status of hot device and evaporator in cooling operating condition and heating cycle is different.
It is described in detail above to according to the cell apparatus and its heat management methods and strategy of the application.
In addition, the vehicle has above-mentioned cell apparatus present invention also provides a kind of vehicle, the vehicle is preferably mixed
Close power car or pure electric vehicle.It is applied in the embodiment of vehicle in the cell apparatus of the application, cell apparatus can be with vehicle
Common sparing element, such as controller and/or air-conditioning system.
The preferred embodiment of the application is described in detail above, still, during the application is not limited to the above embodiment
Detail a variety of simple variants can be carried out to the technical solution of the application in the range of the technology design of the application, this
A little simple variants belong to the protection scope of the application.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the application to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the application, as long as it is without prejudice to originally
The thought of application, it should also be regarded as the disclosure of the present invention.
Claims (14)
1. cell apparatus, the cell apparatus includes the battery cell (11) for being packaged in shell (10) and being spaced apart from each other setting,
The air duct with the first side opening (121) and the second side opening (122) is formed between every two adjacent battery cell (11)
(12), wherein the multiple air duct (12) connection forms the current path of self-loopa.
2. cell apparatus according to claim 1, wherein the current path of the self-loopa is formed in the following way:
The first air-flow that first side opening (121) in a part of air duct passes through preferably bidirectional driving in the multiple air duct (12)
Driving device (100) is connected to first side opening (121) in another part air duct in the multiple air duct (12), first gas
Flowing driving device (100) is preferably fan；And/or
Second side opening (122) in another part air duct described in the multiple air duct (12) pass through preferably bidirectional driving
Two air flow drive devices (200) are connected to second side opening (122) in a part of air duct described in the multiple air duct (12), institute
Stating the second air flow drive device (200) is preferably fan.
3. cell apparatus according to claim 2, wherein
First air flow drive device (100) be arranged in series primary heater (101) for being heated to air-flow and/
Or the first evaporator (102) for cooling down to air-flow；And/or
Second air flow drive device (200) be arranged in series secondary heater (201) for being heated to air-flow and/
Or the second evaporator (202) for cooling down to air-flow；
The shell (10) is preferably made of the Heat Conduction Material of such as aluminium, copper, graphite.
4. cell apparatus according to claim 3,
Wherein, first side opening (121) in a part of air duct is connected to first passage (21), institute in the multiple air duct (12)
The first side opening (121) for stating another part air duct in multiple air ducts (12) is connected to second channel (22), the multiple wind
Second side opening (122) in another part air duct described in road (12) is connected to third channel (23), the multiple air duct
(12) second side opening (122) in a part of air duct described in is connected to fourth lane (24),
Wherein, first air flow drive device (100) is provided between the first passage (21) and second channel (22)；
And/or the second air flow drive device (200) are provided between the third channel (23) and fourth lane (24).
5. cell apparatus according to claim 4, wherein
The primary heater (101) is set in the first passage (21) and/or first evaporator (102) setting
In the second channel (22), the preferably described primary heater (101) and the first evaporator (102) are close to first gas
Flow driving device (100) setting；And/or
The secondary heater (201) is set in the third channel (23) and/or second evaporator (202) setting
In fourth lane (24), the preferably described secondary heater (201) and second evaporator (202) are close to second gas
Flow driving device (200) setting.
6. cell apparatus according to claim 3, wherein the passage section area of the air duct (12) is variation, with
Can flow through has relatively uniform flow velocity between the air-flow of each air duct (12),
Preferably, the air duct (12) height having the same, the width of the air duct (12) and the air duct and described first
The distance of air flow drive device (100) or the second air flow drive device (200) is directly proportional.
7. the cell apparatus according to any one of claim 3 to 6, wherein the cell apparatus includes:
Sensor, for the sensor for detecting the intracorporal environment temperature of the shell, the sensor is preferably disposed on described the
One air flow drive device (100) and/or the second air flow drive device (200)；
Controller, the controller are electrically connected with the sensor, the environment temperature letter detected for receiving the sensor
Number and according to the ambient temperature signal issue command signal,
The controller also with first air flow drive device (100) and primary heater (101) and/or the first evaporator
(102) it is electrically connected, and its operating status is controlled according to described instruction signal；And/or the controller also with second air-flow
Driving device (200) and the electrical connection of secondary heater (201) and/or the second evaporator (202), and according to described instruction signal
Control its operating status.
8. cell apparatus according to claim 7, wherein the cell apparatus has at least one following operating condition:
Nominal situation: detect that the environment temperature is located at the first temperature threshold between second temperature threshold value in the sensor
Preset range within when, the controller makes first air flow drive device (100) and/or the second air flow drive device
(200) low speed is run, and the primary heater (101), the first evaporator (102), secondary heater (201) and second are steamed
Hair device (202) is not run；
Cooling operating condition: when the sensor detects that the environment temperature is higher than the second temperature threshold value, the controller
Make first air flow drive device (100) and/or the second air flow drive device (200) high-speed cruising, and described first adds
Hot device (101) and secondary heater (201) are not run, first evaporator (102) and/or the second evaporator (202) fortune
Row；
Heating cycle: when the sensor detects the environment temperature lower than first temperature threshold, the controller
Make first air flow drive device (100) and/or the second air flow drive device (200) high-speed cruising, and described first steams
Hair device (102) and the second evaporator (202) are not run, the primary heater (101) and/or secondary heater (201) fortune
Row；
First temperature threshold is subzero 30 degrees Celsius to subzero 10 degrees Celsius, and preferably subzero 25 degrees Celsius to subzero 15 are taken the photograph
Family name's degree, it is 20 degrees Celsius most preferably subzero；
The second temperature threshold value is 50 degrees Celsius to 70 degrees Celsius, preferably 55 degrees Celsius to 65 degrees Celsius, most preferably 60
Degree Celsius；
Wherein it is preferred to the gas driven by first air flow drive device (100) and/or the second air flow drive device (200)
Stream is opposite in the cooling operating condition and the heating cycle in the flow direction of the current path.
9. the thermal management algorithm of cell apparatus, the cell apparatus includes the electricity for being packaged in shell (10) and being spaced apart from each other setting
Pond monomer (11), being formed between every two adjacent battery cell (11) has the first side opening (121) and the second side opening
(122) air duct (12), wherein the thermal management algorithm includes by being connected to the self-loopa formed by the multiple air duct (12)
Current path in self-loopa air-flow realize to the heat management of the cell apparatus.
10. thermal management algorithm according to claim 9, wherein the thermal management algorithm is including the use of preferably bidirectional drive
Dynamic the first air flow drive device (100) and/or the second air flow drive device (200) drive the self-loopa air-flow in the gas
Logical circulation road internal circulation flow.
11. thermal management algorithm according to claim 10, wherein the thermal management algorithm includes to the self-loopa air-flow
Cooled down or is heated.
12. thermal management algorithm according to claim 10, wherein the thermal management algorithm includes flowing through each air duct
(12) there is relatively uniform flow velocity between air-flow.
13. thermal management algorithm according to claim 11, wherein the thermal management algorithm includes:
When the intracorporal environment temperature of the shell is located within the first temperature threshold to the preset range between second temperature threshold value,
The self-loopa air-flow is not cooled down or heated；
When the environment temperature is higher than the second temperature threshold value, cool down to the self-loopa air-flow；
When the environment temperature is lower than first temperature threshold, the self-loopa air-flow is heated；
First temperature threshold is subzero 30 degrees Celsius to subzero 10 degrees Celsius, and preferably subzero 25 degrees Celsius to subzero 15 are taken the photograph
Family name's degree, it is 20 degrees Celsius most preferably subzero；
The second temperature threshold value is 50 degrees Celsius to 70 degrees Celsius, preferably 55 degrees Celsius to 65 degrees Celsius, most preferably 60
Degree Celsius.
14. vehicle, wherein the vehicle has cell apparatus and/or the vehicle described in any one of claim 1-8
Heat management is carried out to cell apparatus using thermal management algorithm described in any one of claim 9 to 13, the vehicle is preferred
For hybrid electric vehicle or pure electric vehicle.
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| CN201910158793.2A CN109980321A (en) | 2019-03-04 | 2019-03-04 | Vehicle and cell apparatus and its thermal management algorithm |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910158793.2A CN109980321A (en) | 2019-03-04 | 2019-03-04 | Vehicle and cell apparatus and its thermal management algorithm |
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| CN111463518A (en) * | 2020-03-05 | 2020-07-28 | 广西华政新能源科技有限公司 | Vehicle-mounted lithium battery temperature regulation and control system |
| CN112563555A (en) * | 2020-12-24 | 2021-03-26 | 常德中科多源电力融合技术研究院 | Battery winding needle and large-capacity square metal shell lithium ion battery |
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| US20100134940A1 (en) * | 2008-12-23 | 2010-06-03 | Ise Corporation | Hybrid Vehicle Propulsion Energy Storage System |
| CN103648824A (en) * | 2011-05-23 | 2014-03-19 | 三菱自动车工业株式会社 | Air-conditioning control device for battery pack |
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