CN110112510A - A kind of the lithium battery pack heat management system and method for separating dry space from moist space - Google Patents
A kind of the lithium battery pack heat management system and method for separating dry space from moist space Download PDFInfo
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- CN110112510A CN110112510A CN201910511703.3A CN201910511703A CN110112510A CN 110112510 A CN110112510 A CN 110112510A CN 201910511703 A CN201910511703 A CN 201910511703A CN 110112510 A CN110112510 A CN 110112510A
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
-
- 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
- B60L58/27—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 heating
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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
- H01M10/617—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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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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
- H01M10/65—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
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- 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
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- Manufacturing & Machinery (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A kind of the lithium battery pack heat management system and method for separating dry space from moist space, including battery pack, battery pack case, liquid cooling plate heat exchanger, battery or battery modules surface are bonded micro heat pipe array, and the extension of the micro heat pipe array is bonded with battery pack case;The outer surface of the liquid cooling plate heat exchanger fitting battery pack case, and the liquid cooling plate heat exchanger is connect with electric car refrigeration system.The present invention is effectively by the micro heat pipe array with efficient heat transfer in conjunction with liquid cooling mode, further pass through position and the Rankine-Hugoniot relations of micro heat pipe array and battery unit, so that one or two liquid cooling plate heat exchanger is arranged in the external of each battery pack, effectively the temperature conduction of inside battery can be gone out, prevent temperature excessively high, guarantee that the temperature of battery is uniform, radiating efficiency is high.
Description
Technical field
The present invention relates to the battery pack thermal management algorithm and system of a kind of separating dry space from moist space, the battery pack for belonging to electric car dissipates
Hot field.
Background technique
The heat management of lithium electricity packet is not only most important to battery life, also most important to the safety of battery.
Traditional battery pack thermal management algorithm --- air cooling technique is not able to satisfy wanting for the degree of protection of lithium battery pack not only
It asks, and since the air cooling system inlet and outlet temperature difference is big, causes the biggish temperature difference between battery core and battery core, the injury to lithium battery
Greatly, therefore at present it sees substantially without use value.
Traditional lithium battery pack thermal management algorithm with high-protection level generally uses liquid cooling mode, at present major part factory
Single liquid cooling plate is only arranged in the bottom of battery modules in the liquid cooling bottom plate that family uses, and the single liquid in the bottom of battery modules
Cold plate radiating mode will cause temperature difference very big up and down inside battery cell, right in fast charging and discharging and low-temperature prewarming
The injury of battery is larger.Only tesla uses the full side surface liquid cooling mode of all batteries.But current liquid cooling medium is using antifreeze
Liquid or refrigerant are directly cooling, and the latter is equivalent to direct-expansion type evaporator.Refrigerant direct-expansion type is cooling due to refrigerant
Temperature is too low, will cause serious cold shock to battery and causes the great temperature difference of inside battery, causes to battery very big
Injury does not have practical value substantially yet.Using it is more be anti-icing fluid, contain water in anti-icing fluid, for the liquid more than welding position
Cold bottom plate, in use, welding position are easy breakage, and internal anti-icing fluid is caused to be revealed;Full side is used for tesla
Face is to liquid cooling pipe, although soldering opening is located at battery pack to outside, once hitting, the liquid cooling tube damage between battery core can also be made
It is revealed at anti-icing fluid, and soldering opening is distributed in full side, the probability that soldering opening is destroyed is big.No matter which kind of situation, leakage is prevented
Freezing liquid can make battery pack short-circuit if contacting with the battery in battery pack, can all cause serious safety accident.
Summary of the invention
In order to solve the problems, such as that prior art security risk is big, radiating efficiency is low, it is big to injure to battery, the present invention proposes one
The lithium battery pack heat management system and method for kind separating dry space from moist space.
Technical solution of the present invention:
A kind of lithium battery pack heat management system of separating dry space from moist space, it is characterised in that including battery pack, battery pack case and liquid
Cold plate heat exchange of heat pipe,
It include one or more groups of batteries or battery modules in the battery pack, the battery or the fitting of battery modules surface are micro-
Heat pipe array, it is evaporator section that the micro heat pipe array, which is bonded the battery or the part of battery modules, the micro heat pipe array
Length is greater than the length of the battery or battery modules, and extension is bonded as condensation segment with battery pack case;
The battery pack case is around the battery pack and is enclosed construction, and the battery pack case is at least described in the correspondence
It is heat conduction baffle at condensation segment;
The base plate seals of the liquid cooling plate heat exchanger, and pass through battery pack case and battery or the complete physics of battery modules
Isolation;
At least corresponding outer surface for being bonded the heat conduction baffle of the liquid cooling plate heat exchanger, and the liquid cooling plate pipe exchanges heat
Device is connect with electric car refrigeration system.
The preferred battery or the every row of battery modules include multiple groups, and are distributed for multiple rows of superposition, and every group of surface is pasted respectively
Conjunction has the micro heat pipe array.
Battery described in further preferred every group or the double-sided surface of battery modules are bonded the micro heat pipe array, every side table
Face is at least bonded the micro heat pipe array.
Vertical Square of the extension of each of further preferred micro heat pipe array to the micro heat pipe array plane
To bending, vertical component is bonded with heat conduction baffle.
The substrate of the preferred liquid cooling plate heat exchanger is connect with the outer surface of the battery pack case by sealing ring
Or welding, the battery pack case are IP67 rank.
The heat conductive pad of compressible deformation is provided between the preferred micro heat pipe array and the battery or battery modules
Piece.
The substrate of the preferred liquid cooling plate heat exchanger has refrigerant inlet and refrigerant exit, respectively with electric car system
Cooling system connection.
Further include preferably automatic control system and battery core temperature detecting unit, the automatic control system respectively with it is described
Battery core temperature detecting unit is connected with the electric car refrigeration system.
The outer surface of the preferred micro heat pipe array is additionally provided with electric heating film.
A kind of lithium battery pack thermal management algorithm of separating dry space from moist space, it is characterised in that use heat management system above-mentioned, every group
Battery or the evaporator section of the micro heat pipe array of battery modules surface fitting absorb the heat of each battery unit, conduct heat to
Then extension is conducted heat to by heat conduction baffle and is bonded with the outer surface of heat conduction baffle, is with electric car refrigeration
The liquid cooling plate heat exchanger that system is connected, when battery core temperature detected is higher than setting value, control system starts electronic automatically
The refrigeration system of automobile drives the starting of liquid cooling plate heat exchanger, radiates to battery core;When battery core temperature is lower than setting value,
The refrigeration system of electric car stops to liquid cooling plate heat exchanger cooling supply.
The electric heating film for being set to the outer surface of micro heat pipe array is preferably heated when battery temperature is lower than set temperature,
And battery is heated by micro heat pipe array, cooling system is out of service at this time.
Advantageous effects of the invention:
A kind of battery pack heat management system of separating dry space from moist space of the invention pastes on the surface of battery (battery core) or battery modules
Micro heat pipe array heat carrier is closed, heat is transferred to liquid cooling plate heat exchanger by heat conduction baffle, the latter combines electric car
Refrigeration system constitutes liquid cooling system, and the temperature of battery core is managed using indirect liquid cooling mode.On the one hand, micro heat pipe array with every group
The unilateral or bilateral surface of battery core is bonded, preferably double-sided surface, accordingly even when internally positioned battery core, temperature also can
The heat conduction baffle for giving its fitting is effectively conducted at both ends by the micro heat pipe array being bonded therewith, and then is conducted to outside battery
Portion, the liquid cooling plate heat exchanger then being connect by the refrigeration system with electric car, by inside battery by way of liquid cooling
Temperature be dispersed into the environment except battery case, radiating efficiency is high.On the other hand, since micro heat pipe array is by metal material
The flat heat carrier with porous structure formed is squeezed, inside has multiple mutual disconnected low-grade fevers being arranged side by side
Pipe, and the hydraulic diameter of each micro heat pipe only has 1.0nm, even more small, tube wall bearing capacity is high, therefore leakage problem is almost
It can ignore, and phase-change working substance will not cause battery even if being damaged leakage under extreme case for micro, non-conductive medium
Damage;And heat conduction baffle is used as the protection shell of battery core simultaneously, and the substrate of liquid cooling plate heat exchanger is separated with battery pack, and
By seal approach such as sealing ring or welding by the base plate seals of liquid cooling plate heat exchanger, realize and the intracorporal electricity of the shell
Core is physically isolated completely, is effectively prevent the cooling medium in liquid cooling plate heat exchanger to leak in battery pack, is guaranteed battery pack
Degree of protection reaches IP67 waterproof and dustproof grade.
The battery pack heat management system of a kind of separating dry space from moist space of the invention, when the temperature of internal battery core is higher than setting value
When, such as 35 DEG C -42 DEG C, control system starts the refrigeration system of automobile automatically, and freeze and exchanges heat with liquid cooling plate heat exchanger, battery core
The heat on surface by micro heat pipe array conduct to it is being arranged outside battery pack case, be connected with electric car refrigeration system
Liquid cooling plate heat exchanger swaps out.
To sum up, the present invention further passes through effectively by the micro heat pipe array with efficient heat transfer in conjunction with liquid cooling mode
The position and Rankine-Hugoniot relations of micro heat pipe array and battery unit, so that one or two liquid cooling plate is arranged in the external of each battery pack
The temperature conduction of inside battery can effectively be gone out, prevent temperature excessively high by heat exchange of heat pipe, guarantee that the temperature of battery is uniform, be dissipated
The thermal efficiency is high.
It is bonded after extension bending setting with heat conduction baffle, the condensation segment and heat conduction baffle of micro heat pipe array can be made
Contact area it is bigger, increase heat transfer efficiency.
The heat-conducting pad has thermally conductive, electrical isolation and guarantees micro heat pipe array and the good accessible function of battery.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the lithium battery pack heat management system of separating dry space from moist space of the invention;
Fig. 2 is the schematic diagram after Fig. 1 assembling;
Fig. 3 is the partial sectional schematic view of battery unit one end.
1- battery pack case;2- liquid cooling plate heat exchanger;3- refrigerant inlet;4- refrigerant exit;5- battery unit;6- low-grade fever
Pipe array, 61- extension, 7- heat-conducting pad, 8- electric heating film.
Specific embodiment
In order to be clearer to understand the contents of the present invention, will be described in detail by attached drawing 1-3 and specific embodiment.
As shown in Figure 1-3, a kind of battery pack heat management system of separating dry space from moist space of the present embodiment, including battery pack and attaching
Liquid cooling plate heat exchanger 2 in the outside of battery pack case 1, the battery core in the battery pack are divided into four layers, and every layer longitudinally, laterally each
Three.Wherein three 5 upper and lower surfaces of battery unit of every layer of transverse direction are bonded two groups of micro heat pipe arrays extended transversely 6 respectively.
Micro heat pipe array 6 is that metal material is squeezed the flat heat carrier with porous structure formed, it is internal with it is multiple simultaneously
The mutual disconnected micro heat pipe of arrangement, micro heat pipe enclosed inside have phase-change working substance.Micro heat pipe array 6 is that a kind of heat-transfer effect is strong
The heat carrier of change.Wherein the micro heat pipe array is pasted onto the surface of battery unit 5 by heat conductive silica gel, is spaced apart from each other,
It can also closely come together, the part that micro heat pipe array 6 has been bonded the battery unit 5 is evaporator section, the micro heat pipe battle array
The part that the length of column 7 is greater than every group of battery core 7 forms extension 61, and extension 61 is used as condensation segment.It is arranged outside battery pack
Battery pack case 1, the battery pack case 1 surround enclosed construction.The extension 61 of each micro heat pipe array 6 is to described
The vertical direction of micro heat pipe array plane is bent, and is bonded on the inside of vertical component and battery pack case 1, wherein battery pack case 1 is right
It answers at the condensation segment as heat conduction baffle.Liquid cooling plate heat exchanger 2 is at least bonded with the outer surface of heat conduction baffle, with the low-grade fever
The elongated portion 61 of pipe array 6 carries out heat exchange, a side surface of substrate and battery pack case 1 by the heat conduction baffle 8
Outer surface welding, can also be connected by sealing ring, realize the complete object of liquid cooling plate heat exchanger 2 and internal battery unit 5
Reason isolation, guarantees that the degree of protection of battery pack reaches IP67.The liquid cooling plate heat exchanger 2 and the refrigeration system of electric car connect
Connect the liquid cooling system for constituting battery.
As shown in Figure 1, the extension bending of the micro heat pipe array 6 of 5 upper side plane of battery unit described in being located at every group, position
In the bending upward of underside plan, battery unit 5 is enclosed in inside by the two, to keep out the outside position of battery unit for being located at outside
It moves.
The substrate of the liquid cooling plate heat exchanger 2 has refrigerant inlet 3 and refrigerant exit 4, with electric car refrigeration system
Connection.
In addition, may be provided with leading for compressible deformation between the micro heat pipe array 6 and battery unit 5 as shown in Figure 3
Heat pad piece 7.
Battery unit 5, which can change into, to be combined the outside constituted by two or more soft encapsulation single batteries and has structural strength
The flexible-packed battery mould group of shell.
A kind of battery pack heat management system of separating dry space from moist space of the present embodiment further includes automatic control system and battery core temperature
Detection unit, automatic control system are connect with the battery core temperature detecting unit and the electric car refrigeration system respectively.
In use, the evaporator section in the micro heat pipe array 6 of the double-sided surface fitting of every group of battery unit 5 absorbs each battery
The heat of unit 5, and the condensation segment that the extension conducted to the one end for being located at micro heat pipe array 6 is constituted, then condensation segment will
Heat is conducted to the heat conduction baffle 8 being bonded therewith, heat conduction baffle 8 conduct heat to be bonded with the outer surface of heat conduction baffle 8, with
The liquid cooling plate heat exchanger 2 that electric car refrigeration system is connected, when the temperature of detection unit battery unit 5 detected is higher than
At 35 DEG C, control system starts the refrigeration system of electric car automatically, thus using liquid cooling plate heat exchanger 2, heat conduction baffle and
Micro heat pipe array radiates to battery core, and the heat of battery core is swapped out;When the temperature of battery unit 5 is lower than 35 DEG C, electronic vapour
The refrigeration system of vehicle stops freezing to the liquid cooling system.As shown in figure 3, the outer surface of the micro heat pipe array can also be arranged
There is electric heating film 8, electric heating film 8 is heated when battery temperature is lower than set temperature, and battery is heated by micro heat pipe array, this
When cooling system it is out of service.
The foregoing is merely the preferable specific embodiments of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, the anti-counterfeit plastic size that can be readily occurred in
Variation or the size and number etc. of longitudinal tear line should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be subject to the scope of protection of the claims.
Claims (10)
1. a kind of lithium battery pack heat management system of separating dry space from moist space, it is characterised in that including battery pack, battery pack case and liquid cooling
Plate heat exchanger,
It include one or more groups of batteries or battery modules in the battery pack, the battery or battery modules surface are bonded micro heat pipe
Array, it is evaporator section, the length of the micro heat pipe array that the micro heat pipe array, which is bonded the battery or the part of battery modules,
Greater than the battery or the length of battery modules, and extension is bonded as condensation segment with battery pack case;
The battery pack case is around the battery pack and is enclosed construction, and the battery pack case is at least in the correspondence condensation
It is heat conduction baffle at section;
The base plate seals of the liquid cooling plate heat exchanger, and by battery pack case and battery or the complete physics of battery modules every
From;
At least corresponding outer surface for being bonded the heat conduction baffle of the liquid cooling plate heat exchanger, and the liquid cooling plate heat exchanger with
The connection of electric car refrigeration system.
2. a kind of lithium battery pack heat management system of separating dry space from moist space according to claim 1, it is characterised in that the battery
Or the every row of battery modules includes multiple groups, and is distributed for multiple rows of superposition, every group of surface is fitted with the micro heat pipe array respectively.
3. a kind of lithium battery pack heat management system of separating dry space from moist space according to claim 2, it is characterised in that described in every group
Battery or the double-sided surface of battery modules are bonded the micro heat pipe array, and every side surface is at least bonded the micro heat pipe battle array
Column.
4. a kind of lithium battery pack heat management system of separating dry space from moist space according to claim 1, it is characterised in that each described
The extension of micro heat pipe array is bent to the vertical direction of the micro heat pipe array plane, and vertical component and heat conduction baffle paste
It closes.
5. a kind of lithium battery pack heat management system of separating dry space from moist space according to claim 1, it is characterised in that the liquid cooling
The substrate of plate heat exchanger is connect or is welded by sealing ring with the outer surface of the battery pack case, the battery pack case
For IP67 rank.
6. a kind of lithium battery pack heat management system of separating dry space from moist space according to claim 1, it is characterised in that the low-grade fever
The heat-conducting pad of compressible deformation is provided between pipe array and the battery or battery modules.
7. a kind of lithium battery pack heat management system of separating dry space from moist space according to claim 1, it is characterised in that including automatic
Control system and battery core temperature detecting unit, the automatic control system respectively with the battery core temperature detecting unit and the electricity
The connection of electrical automobile refrigeration system.
8. a kind of lithium battery pack heat management system of separating dry space from moist space according to claim 1, it is characterised in that the low-grade fever
The outer surface of pipe array is provided with electric heating film.
9. a kind of lithium battery pack thermal management algorithm of separating dry space from moist space, it is characterised in that using any heat of claim 1-8
The evaporator section of the micro heat pipe array of management system, every group of battery or the fitting of battery modules surface absorbs the heat of each battery unit
Amount, conduct heat to extension, then conducted heat to by heat conduction baffle be bonded with the outer surface of heat conduction baffle, and
The liquid cooling plate heat exchanger that electric car refrigeration system is connected, when battery core temperature detected is higher than setting value, control system
The refrigeration system of the automatic starting electric car of system, drives the starting of liquid cooling plate heat exchanger, radiates to battery core;When battery core temperature
When lower than setting value, the refrigeration system of electric car stops to liquid cooling plate heat exchanger cooling supply.
10. a kind of lithium battery pack thermal management algorithm of separating dry space from moist space according to claim 9, it is characterised in that the low-grade fever
The outer surface of pipe array is provided with electric heating film, heats electric heating film when battery temperature is lower than set temperature, and pass through low-grade fever
Pipe array applicator battery, cooling system is out of service at this time.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910511703.3A CN110112510A (en) | 2019-06-13 | 2019-06-13 | A kind of the lithium battery pack heat management system and method for separating dry space from moist space |
CN201911063355.4A CN110707396A (en) | 2019-06-13 | 2019-11-04 | Dry-wet separated lithium battery pack heat management system and method |
CN201911062866.4A CN110707395A (en) | 2019-06-13 | 2019-11-04 | Dry-wet separation vertical lithium battery pack liquid-cooled thermal management system and method |
PCT/CN2019/117640 WO2020248491A1 (en) | 2019-06-13 | 2019-11-12 | Thermal management system and method for lithium battery pack |
JP2021574177A JP7546608B2 (en) | 2019-06-13 | 2019-11-12 | Thermal management system and method for lithium battery pack |
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CN201910511703.3A CN110112510A (en) | 2019-06-13 | 2019-06-13 | A kind of the lithium battery pack heat management system and method for separating dry space from moist space |
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CN110112510A true CN110112510A (en) | 2019-08-09 |
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CN201910511703.3A Pending CN110112510A (en) | 2019-06-13 | 2019-06-13 | A kind of the lithium battery pack heat management system and method for separating dry space from moist space |
CN201911062866.4A Pending CN110707395A (en) | 2019-06-13 | 2019-11-04 | Dry-wet separation vertical lithium battery pack liquid-cooled thermal management system and method |
CN201911063355.4A Pending CN110707396A (en) | 2019-06-13 | 2019-11-04 | Dry-wet separated lithium battery pack heat management system and method |
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CN201911062866.4A Pending CN110707395A (en) | 2019-06-13 | 2019-11-04 | Dry-wet separation vertical lithium battery pack liquid-cooled thermal management system and method |
CN201911063355.4A Pending CN110707396A (en) | 2019-06-13 | 2019-11-04 | Dry-wet separated lithium battery pack heat management system and method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110534830A (en) * | 2019-09-30 | 2019-12-03 | 北京普莱德新能源电池科技有限公司 | A kind of battery pack and automobile |
CN111564675A (en) * | 2020-04-15 | 2020-08-21 | 吉利汽车研究院(宁波)有限公司 | Battery thermal management system based on heat pipe and liquid cooling device |
WO2020248491A1 (en) * | 2019-06-13 | 2020-12-17 | 赵耀华 | Thermal management system and method for lithium battery pack |
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US9070958B2 (en) * | 2011-04-15 | 2015-06-30 | Johnson Controls Technology Llc | Battery system having an external thermal management system |
JP2012248299A (en) * | 2011-05-25 | 2012-12-13 | Sanyo Electric Co Ltd | Battery module, battery system, electric vehicle, mobile object, power storage device and power supply device |
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CN211480239U (en) * | 2019-06-13 | 2020-09-11 | 赵耀华 | Dry-wet separation type vertical lithium battery pack liquid-cooled thermal management system |
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WO2020248491A1 (en) * | 2019-06-13 | 2020-12-17 | 赵耀华 | Thermal management system and method for lithium battery pack |
CN110534830A (en) * | 2019-09-30 | 2019-12-03 | 北京普莱德新能源电池科技有限公司 | A kind of battery pack and automobile |
CN110534830B (en) * | 2019-09-30 | 2024-05-28 | 北京普莱德新能源电池科技有限公司 | Battery pack and automobile |
CN111564675A (en) * | 2020-04-15 | 2020-08-21 | 吉利汽车研究院(宁波)有限公司 | Battery thermal management system based on heat pipe and liquid cooling device |
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