CN109066003A - Thermal management device of battery - Google Patents
Thermal management device of battery Download PDFInfo
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- CN109066003A CN109066003A CN201810776230.5A CN201810776230A CN109066003A CN 109066003 A CN109066003 A CN 109066003A CN 201810776230 A CN201810776230 A CN 201810776230A CN 109066003 A CN109066003 A CN 109066003A
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- battery
- pump housing
- temperature
- management device
- thermal management
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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
- H01M10/635—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
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- 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
-
- 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
- H01M10/6555—Rods or plates arranged between the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of thermal management device of battery, including fluid reservoir, the pump housing, heating cooler, multiple battery modules, pipeline and battery management module；Each battery modules include and the heat exchanger plate of pipeline connection, the thermally conductive sheet that is connected to multiple single batteries being arranged side by side of one side surface of heat exchanger plate and is connected to each single battery surface and abuts with heat exchanger plate；Heat-conducting medium in fluid reservoir pressurizes under the action of the pump housing and followed by heating cooler, heat exchanger plate and finally returns that in fluid reservoir through pipeline；Battery management module includes multiple temperature sensors and the control module that is electrically connected respectively with the pump housing, heating cooler, temperature sensor, and whether control module receives and started according to the information control pump housing of temperature sensor acquisition and heating or refrigeration of the heating cooler to heat-conducting medium.Thermal management device of battery provided by the invention, structure is relatively easy, safe and reliable and even temperature effect is good.
Description
[technical field]
The present invention relates to power battery field more particularly to a kind of thermal management device of batteries.
[background technique]
With new energy technology progress and lithium battery technology it is perfect, lithium battery is increasingly used in daily life
In, especially electric automobiles.Power battery can generate a large amount of heat during high-power charge and discharge, so that power electric
The temperature in pond increases, if the bad battery capacity for gently then influencing power battery of heat dissipation effect, influences the charge and discharge of power battery
Efficiency；Internal structure that is heavy then damaging battery, even more so that power battery spontaneous combustion.The cooling of current driving force battery usually has air-cooled
With two kinds of liquid cooling: air-cooled structure is simple, easy for installation, but heat dissipation is slow, even temperature effect is poor；Liquid-cooling heat radiation is good and even temperature effect is good,
But liquid cooling pipe road bears that pressure is excessive easily causes to damage to pipeline for a long time, shortens the service life of liquid cooling pipeline.
In addition, the efficiency for charge-discharge of lithium battery is lower, and capacitance of storage becomes smaller, greatly under cold extreme weather conditions
Affect the course continuation mileage and battery life of electric vehicle.In this case add it is generally necessary to carry out safety equilibrium to lithium battery
Heat builds a suitable working environment for lithium battery.Different it is with freezing usually to belong to the heating of lithium battery at present
System, so that the structure more sophisticated of lithium battery, and influence the energy density of lithium battery.
In addition, the liquid cooling plate of existing liquid cooling cooling is usually only connected to a side surface of battery modules, cause monomer electric
Pond is uneven in temperature, destroys the consistency of single battery, and then shorten the service life of battery modules.
In consideration of it, it is really necessary to provide the new thermal management device of battery of one kind to overcome drawbacks described above.
[summary of the invention]
A kind of the object of the present invention is to provide structures good battery thermal of relatively easy, safe and reliable and even temperature effect
Manage device.
To achieve the goals above, the present invention provides a kind of thermal management device of battery, including fluid reservoir, the pump housing, heating system
Cooler, multiple battery modules, it is end to end and be sequentially communicated the fluid reservoir, the pump housing, the heating cooler with it is described
The pipeline and battery management module of multiple battery modules；Each battery modules include the heat exchanger plate being connected to the pipeline,
It is connected to multiple single batteries being arranged side by side of one side surface of heat exchanger plate and is connected to each single battery surface
And the thermally conductive sheet abutted with the heat exchanger plate；Heat-conducting medium in the fluid reservoir pressurizes and passes through under the action of the pump housing
The pipeline is followed by the heating cooler, the heat exchanger plate and finally returns that in the fluid reservoir；The cell tube
Reason module include multiple temperature sensors for being respectively used to measure the multiple battery modules temperature information and respectively with it is described
The pump housing, the heating cooler, the control module of temperature sensor electrical connection, the control module receive and according to described
Whether the information of temperature sensor acquisition controls the pump housing and starts and heating or system of the heating cooler to heat-conducting medium
It is cold.
In a preferred embodiment, when the temperature that any one temperature sensor measures is preset lower than the control module
The first temperature when, the control module controls the pump housing starting and the heating cooler heats；When any one temperature passes
When the temperature that sensor measures is higher than the control module preset second temperature, the control module control the pump housing starting and
The heating cooler refrigeration；When the temperature that all temperature sensors measure be in preset first temperature and second temperature it
Between when, the pump housing does not work, and the heating cooler does not work.
In a preferred embodiment, first temperature is -20 DEG C, and the second temperature is 45 DEG C.
In a preferred embodiment, inlet and liquid outlet are provided on the heat exchanger plate, the inlet is logical
It crosses the pipeline to be connected to the heating cooler, the liquid outlet is connected to by the pipeline with the fluid reservoir.
In a preferred embodiment, the pipeline includes multiple supervisors and two compound tubes, each compound tube include
One main pipe and the multiple branch pipes for being fixedly connected on and being connected to described main pipe one end；Wherein it is described supervisor for the fluid reservoir with
The connection between connection and the pump housing and the heating cooler between the pump housing；Multiple branch pipes of each compound tube
One end far from the main pipe corresponds and is connected to the inlet of the multiple battery case or inlet respectively, each combination
The one end of the main pipe of pipe far from the multiple branch pipe is connected to the heating cooler or the fluid reservoir.
In a preferred embodiment, each single battery includes opposite two sides and the described two sides of connection
Two end faces, one of end face be equipped with positive terminal and anode connector；The thermally conductive sheet is L-shaped and including vertically connecting
The side view of the first connection sheet and the second connection sheet connect, the single battery corresponds to first connection sheet, the list
Body battery corresponds to second connection sheet far from the end surface shape of the positive terminal；The first of each adjacent two thermally conductive sheet connects
Contact pin interval is oppositely arranged, and two opposite sides of each single battery respectively correspond and be connected to the two of two neighboring thermally conductive sheet
The opposite surface of a first connection sheet, the single battery are connected to second connection far from the end face of the positive terminal
Piece.
In a preferred embodiment, each battery modules further include handing between the multiple single battery and the heat
Change the heat conductive pad between plate；The opposite both side surface of the heat conductive pad deviates from the second connection sheet of the multiple thermally conductive sheet respectively
The surface of first connection sheet and a side surface of the heat exchanger plate abut mutually.
In a preferred embodiment, the thermal management device of battery further include be installed on the pipeline and with it is described
The flow sensor and pressure sensor of control module electrical connection, the control module are received and are surveyed according to the flow sensor
The flow number of amount adjusts the pump housing output power, the pressure that the control module is received and measured according to the pressure sensor
The output power of the pump housing described in power numerical definiteness.
In a preferred embodiment, the pressure sensor is mounted on the flow sensor and is connected to the electricity
On the main pipe of the compound tube of Chi Mo group and the fluid reservoir.
In a preferred embodiment, each battery modules further include being connected to the multiple one side surface of single battery
And the top plate being oppositely arranged with the heat exchanger plate interval, the temperature sensor are installed on the top plate and correspond to the monomer electricity
The surface in pond.
Thermal management device of battery provided by the invention, the control module are believed according to the temperature that the temperature sensor acquires
Breath controls the temperature that the heating cooler heats the heat-conducting medium or freezes and then adjust the battery modules；In addition
The surface of the thermally conductive sheet and each single battery comes into full contact with, and is conducive to the equilibrium of each single battery temperature and improves heat friendship
Change efficiency.Thermal management device of battery provided by the invention, structure is relatively easy, safe and reliable and even temperature effect is good.
[Detailed description of the invention]
Fig. 1 is the structural block diagram of thermal management device of battery provided by the invention.
Fig. 2 is the explosive view of battery module structure in thermal management device of battery shown in FIG. 1.
[specific embodiment]
It is clear in order to be more clear the purpose of the present invention, technical solution and advantageous effects, below in conjunction with attached drawing and
Specific embodiment, the present invention will be described in further detail.It should be understood that specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
Fig. 1 is please referred to, the present invention provides a kind of thermal management device of battery 100, including fluid reservoir 10, the pump housing 20, heating system
Cooler 30, multiple battery modules 40, it is end to end and be sequentially communicated the fluid reservoir 10, the pump housing 20, the heating refrigeration
The pipeline 50 and battery management module 60 of device 30 and the multiple battery modules 40.
In the present embodiment, the fluid reservoir 10 is connected to the pump housing 20, and the heat-conducting medium in the fluid reservoir 10 is in institute
It states and pressurizes under the action of the pump housing 20 and returned followed by the heating cooler 30, battery modules 40 and finally through the pipeline 50
It returns in the fluid reservoir 10.The pump housing 20 provides the flow velocity of power and adjustable heat-conducting medium for heat-conducting medium pressurization；It is described
Heating cooler 30 can heat or cool down the heat-conducting medium into the battery modules 40.The battery management module 60 includes
Multiple temperature sensors 61 for being respectively used to measure the multiple 40 temperature information of battery modules and respectively with the pump housing 20,
The control module 62 that the heating cooler 30, the temperature sensor 61 are electrically connected, the control module 62 receives and basis
The information that the temperature sensor 61 acquires controls whether the pump housing 20 starts and control the heating of the heating cooler 30
Or refrigeration, and then adjust the temperature of the battery modules 40.
Specifically, when the temperature that any one temperature sensor 61 measures is lower than preset first temperature of the control module 62
When, the control module 62 controls the starting of the pump housing 20 and controls the heating cooler 30 and heats, and then to the battery
Mould group 40 is heated；When the temperature that any one temperature sensor 61 measures is higher than the preset second temperature of the control module 62
When, the control module 62, which controls the starting of the pump housing 20 and controls the heating cooler 30, freezes, and then to the battery
Mould group 40 is cooled down；When the temperature that all temperature sensors 61 measure is between preset first temperature and second temperature
When, the pump housing 20 does not work, and the heating cooler 30 does not work.Further, first temperature is -20 DEG C, described
Second temperature is 45 DEG C.
Further, the thermal management device of battery 60 further include be installed on the pipeline 50 and with the control module
The flow sensor 63 and pressure sensor 64 of 62 electrical connections, wherein the flow sensor 63 is for measuring in the pipeline 50
The flowing velocity of heat-conducting medium, the pressure sensor 64 are used to measure the liquid pressure of heat-conducting medium.Wherein, the control mould
Block 62 receives the flow number that the flow sensor 63 measures, and according to the flow number of the flow sensor 63 measurement compared with
For the heat exchanger effectiveness for accurately adjusting 20 output power of the pump housing and then control heat-conducting medium and the battery modules 40；Institute
It states control module 62 and receives the pressure value that the pressure sensor 64 measures, and the output power by limiting the pump housing 20
And then prevent the liquid pressure of heat-conducting medium from exceeding the maximum pressure-bearing limit of the pipeline 50, protect the tube body 50.
Specifically, the fluid reservoir 10 is provided for the thermal management device of battery 100 and is filled for accommodating storage heat-conducting medium
The heat-conducting medium of foot.The heat-conducting medium is mixed by water, antifreezing agent and additive, the antifreezing agent can for calcium chloride,
One of methanol, ethyl alcohol, ethylene glycol, glycerine are a variety of.Since the freezing point of heat-conducting medium is determined by the ratio of water and antifreezing agent
It is fixed, so adjusting the ratio of water and antifreezing agent in heat-conducting medium according to the limiting figure of territory of use.
In a specific embodiment of the present embodiment, the pump housing 20 passes through the tube body 50 and the fluid reservoir 10
Connection pressurizes to the heat-conducting medium in the fluid reservoir 10, provides the power flowed in the pipeline 50 for heat-conducting medium.It can
With understanding, the pump housing 20 can also be directly fixed on the fluid reservoir 10 and be connected to the fluid reservoir 10.It is wherein described
The pump housing 20 can directly electrically connect as the pump housing 20 with the battery modules 40 and provide electric energy, can also directly connect with external power supply
It connects.The pump housing 20 includes the motor of pressure gear and the drive pressure gear rotation, wherein control module 62 and the electricity
Mechatronics simultaneously control the electric motor starting and revolving speed, and then control starting and the output power of the pump housing 20.
In a specific embodiment of the present embodiment, the both ends of the heating cooler 30 respectively with the pipeline 50
It is fixedly connected and is connected to, the heat-conducting medium flowed out from the press pump 20 flows into institute after the heating cooler 30 is heated or cooled
It states in battery modules 40, and carries out sufficient heat exchange with the battery modules 40.It should be understood that the pipeline 50 can also be with
Directly through the heating cooler 30, the heating cooler 30 can be and then with 50 heat exchange of pipeline to the pipe
Heat-conducting medium in road 50 is heated or cooled.Wherein the heating cooler 30 can directly be electrically connected with the battery modules 40
It is connected in the heating cooler 30 and electric energy is provided, can also directly be connect with external power supply.
Please with reference to Fig. 2, in a specific embodiment of the present embodiment, each battery modules 40 include heat exchange
Plate 41 and the multiple single batteries 42 being arranged side by side for being connected to 41 1 side surface of heat exchanger plate.Wherein, the heat exchange
Inlet 411 and liquid outlet 412 are provided on plate 41, the inlet 411 passes through the pipeline 50 and the heating cooler
30 connections, the liquid outlet 412 are connected to by the pipeline 50 with the fluid reservoir 10.Through the heating cooler 30 heating or
Cooling heat-conducting medium flows through the heat exchanger plate 41, and carries out adequately with the single battery for being connected to the heat exchanger plate 41
Heat exchange, and then ensure that each single battery can work normally within the scope of suitable temperature.
Each battery modules 40 further include multiple being connected to each 42 surface of single battery and supporting with the heat exchanger plate 41
The thermally conductive sheet thermally conductive sheet 43 that connects, the heat conductive pad 44 between the multiple single battery 42 and the heat exchanger plate 41 and point
It is not connected to two end plates 45 at the multiple 42 both ends of single battery.In present embodiment, each single battery 42 is in rectangular
Body shape and two end faces 422 including opposite two sides 421 and the described two sides 421 of connection, one of end face 422
It is equipped with positive terminal 423 and anode connector 424.The thermally conductive sheet 43 is L-shaped and connects including the first connection sheet 431 and second
421 shape of side of contact pin 432, the single battery 42 corresponds to first connection sheet 431, and the single battery 42 is separate
422 shape of end face of the positive terminal 423 corresponds to second connection sheet 432.The first of each adjacent two thermally conductive sheet 43
The interval of connection sheet 431 is oppositely arranged, and two opposite sides of each single battery 42 respectively correspond and are connected to two neighboring lead
The opposite surface of two the first connection sheets 431 of backing 43, end face of the single battery 42 far from the positive terminal 423
422 are connected to second connection sheet 432.Two opposite sides 421 of each single battery 42 and two adjacent thermally conductive sheets
43 the first connection sheet 431 comes into full contact with, convenient for giving the heat transfer of the single battery 42 to the thermally conductive sheet 43, so that often
The surface temperature basis equalization of a single battery 42.
The opposite both side surface of the heat conductive pad 44 deviates from institute with the second connection sheet 432 of the multiple thermally conductive sheet 43 respectively
One side surface on the surface and the heat exchanger plate 41 of stating the first connection sheet 431 abuts mutually.The heat conductive pad 44 has good
Viscosity, flexibility, good compression performance and good heat transference efficiency, in use can be by the heat exchanger plate 41
Air discharge between the second connection sheet 432 of the multiple thermally conductive sheet 43 is come into full contact with reaching.
Described two end plates 45 are located at the both ends of the multiple single battery 42, and are connected to the monomer with abutting
First connection sheet 431 of the thermally conductive sheet 43 on 42 surface of battery abuts connection, is used for the multiple single battery of protective separation.
Each battery modules 40 further include be connected to the multiple 42 1 side surface of single battery and with the heat exchanger plate
The top plate 46 that 41 intervals are oppositely arranged, the temperature sensor 61 are installed on the table of the corresponding single battery 42 of the top plate 46
Face.
In a specific embodiment of the present embodiment, the pipeline 50 includes multiple supervisors 51 and two compound tubes
52, each compound tube 52 includes a main pipe 521 and the multiple branch pipes 522 for being fixedly connected on and being connected to described 521 one end of main pipe；
Wherein the supervisor 51 is for the connection and the pump housing 20 and the heating between the fluid reservoir 10 and the pump housing 20
Connection between refrigerator 30；The one end of multiple branch pipes 522 of each compound tube 52 far from the main pipe 521 respectively with it is described more
The inlet 4313 or inlet 4314 of a battery case 40 are corresponded and are connected to, and the main pipe 521 of each compound tube 52 is far from institute
The one end for stating multiple branch pipes 522 is connected to the heating cooler 30 or the fluid reservoir 10.Specifically, the supervisor 51 and institute
The intracavity section area for stating main pipe 521 is identical；The main pipe 521 and the branch pipe 522 are the interior of round tube and the main pipe 521
Chamber area of section is equal to the sum of the intracavity section area of the multiple branch pipe 522, so that heat-conducting medium flows through the main pipe
51 is consistent with the liquid pressure of the branch pipe 52.
In a specific embodiment of the present embodiment, the pressure sensor 64 and the flow sensor 63 are independent
Setting, and be mounted on the main pipe 521 for being connected to the battery modules 40 and the fluid reservoir 10.It should be understood that the pressure
Force snesor 64 and the flow sensor 63 can also be with integrated designs, and then save material and save space.
Thermal management device of battery 100 provided by the invention, by the control module 62 according to the temperature sensor 61
The heating cooler 30 that the temperature information of acquisition controls heats the heat-conducting medium or freezes and then adjust the battery
The temperature of mould group 40；In addition the surface of the thermally conductive sheet 43 and each single battery 42 comes into full contact with, and is conducive to each monomer electricity
The equilibrium of 42 temperature of pond and improve heat exchanger effectiveness.Thermal management device of battery 100 provided by the invention, structure is relatively easy, makes
It is good with safe and reliable and even temperature effect.
The present invention is not only in the description and the implementation described, therefore for the personnel of familiar field
Other advantage and modification is easily implemented, therefore in the essence without departing substantially from universal defined by claim and equivalency range
In the case where mind and range, the present invention is not limited to specific details, representative equipment and diagrams shown and described herein
Example.
Claims (10)
1. a kind of thermal management device of battery, it is characterised in that: including fluid reservoir, the pump housing, heating cooler, multiple battery modules,
It is end to end and be sequentially communicated the fluid reservoir, the pump housing, the heating cooler and the multiple battery modules pipeline
And battery management module；Each battery modules include the heat exchanger plate being connected to the pipeline, are connected to the heat exchanger plate
It multiple single batteries being arranged side by side of one side surface and is connected to each single battery surface and is supported with the heat exchanger plate
The thermally conductive sheet connect；Heat-conducting medium in the fluid reservoir pressurizes and through the pipeline under the action of pump housing followed by institute
It states heating cooler, the heat exchanger plate and finally returns that in the fluid reservoir；The battery management module includes multiple difference
For measure the multiple battery modules temperature information temperature sensor and respectively with the pump housing, the heating freeze
The control module that device, the temperature sensor are electrically connected, the control module receive and according to temperature sensor acquisitions
Whether information controls the pump housing and starts and heating or refrigeration of the heating cooler to heat-conducting medium.
2. thermal management device of battery as described in claim 1, it is characterised in that: when the temperature that any one temperature sensor measures
When the first temperature preset lower than the control module, the control module controls the pump housing starting and the heating cooler
Heating；When the temperature that any one temperature sensor measures second temperature preset higher than the control module, the control mould
Block controls the pump housing starting and heating cooler refrigeration；When the temperature that all temperature sensors measure be in it is preset
When between the first temperature and second temperature, the pump housing does not work, and the heating cooler does not work.
3. thermal management device of battery as claimed in claim 2, it is characterised in that: first temperature be -20 DEG C, described second
Temperature is 45 DEG C.
4. thermal management device of battery as described in claim 1, it is characterised in that: be provided on the heat exchanger plate inlet with
Liquid outlet, the inlet are connected to by the pipeline with the heating cooler, and the liquid outlet passes through the pipeline and institute
State fluid reservoir connection.
5. thermal management device of battery as claimed in claim 4, it is characterised in that: the pipeline includes multiple supervisors and two groups
Pipe is closed, each compound tube includes a main pipe and the multiple branch pipes for being fixedly connected on and being connected to described main pipe one end；It is wherein described
Supervisor is for the connection between the connection and the pump housing and the heating cooler between the fluid reservoir and the pump housing；
Multiple branch pipes of each compound tube far from one end of the main pipe respectively with the inlet of the multiple battery case or inlet one
One corresponds to and is connected to, and the main pipe of each compound tube is far from one end of the multiple branch pipe and the heating cooler or the liquid storage
Tank connection.
6. thermal management device of battery as claimed in claim 4, it is characterised in that: each single battery includes two opposite sides
Two end faces of face and the described two sides of connection, one of end face are equipped with positive terminal and anode connector；It is described thermally conductive
Piece is L-shaped and including the first connection sheet connected vertically and the second connection sheet, and the side view of the single battery corresponds to
First connection sheet, the single battery correspond to second connection sheet far from the end surface shape of the positive terminal；Often
First connection sheet interval of two neighboring thermally conductive sheet is oppositely arranged, and two opposite sides of each single battery respectively correspond and support
It is connected to the opposite surface of two the first connection sheets of two neighboring thermally conductive sheet, end of the single battery far from the positive terminal
Face is connected to second connection sheet.
7. thermal management device of battery as claimed in claim 6, it is characterised in that: each battery modules further include between described more
Heat conductive pad between a single battery and the heat exchanger plate；The opposite both side surface of the heat conductive pad is led with the multiple respectively
Second connection sheet of backing abuts mutually away from the surface of first connection sheet and a side surface of the heat exchanger plate.
8. thermal management device of battery as claimed in claim 5, it is characterised in that: the thermal management device of battery further includes installation
In the flow sensor and pressure sensor that are electrically connected on the pipeline and with the control module, the control module is received simultaneously
The pump housing output power is adjusted according to the flow number of flow sensor measurement, the control module receives and according to institute
The pressure value for stating pressure sensor measurement limits the output power of the pump housing.
9. thermal management device of battery as claimed in claim 8, it is characterised in that: the pressure sensor and the flow sensing
Device is mounted on the main pipe for being connected to the compound tube of the battery modules and the fluid reservoir.
10. thermal management device of battery as described in claim 1, it is characterised in that: each battery modules further include being connected to institute
The top plate stating multiple one side surfaces of single battery and being oppositely arranged with the heat exchanger plate interval, the temperature sensor are installed on
The top plate corresponds to the surface of the single battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776230.5A CN109066003A (en) | 2018-07-16 | 2018-07-16 | Thermal management device of battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534840A (en) * | 2019-08-19 | 2019-12-03 | 欣旺达电子股份有限公司 | Battery modules and battery heat change method |
| CN112968229A (en) * | 2021-02-05 | 2021-06-15 | 天津海狸新能源科技有限公司 | Modularization heat dissipation module lithium cell |
| CN116581426A (en) * | 2023-07-11 | 2023-08-11 | 风帆（扬州）有限责任公司 | Can initiatively dispel heat easily control by temperature change energy storage lithium cell |
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2018
- 2018-07-16 CN CN201810776230.5A patent/CN109066003A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534840A (en) * | 2019-08-19 | 2019-12-03 | 欣旺达电子股份有限公司 | Battery modules and battery heat change method |
| CN112968229A (en) * | 2021-02-05 | 2021-06-15 | 天津海狸新能源科技有限公司 | Modularization heat dissipation module lithium cell |
| CN116581426A (en) * | 2023-07-11 | 2023-08-11 | 风帆（扬州）有限责任公司 | Can initiatively dispel heat easily control by temperature change energy storage lithium cell |
| CN116581426B (en) * | 2023-07-11 | 2023-09-26 | 风帆（扬州）有限责任公司 | Can initiatively dispel heat easily control by temperature change energy storage lithium cell |
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