CN109599638A - Heat management system for Vehicular battery - Google Patents
Heat management system for Vehicular battery Download PDFInfo
- Publication number
- CN109599638A CN109599638A CN201811213834.5A CN201811213834A CN109599638A CN 109599638 A CN109599638 A CN 109599638A CN 201811213834 A CN201811213834 A CN 201811213834A CN 109599638 A CN109599638 A CN 109599638A
- Authority
- CN
- China
- Prior art keywords
- battery
- management system
- heat management
- air
- battery cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—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
- H01M10/6561—Gases
-
- 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
Abstract
The present invention relates to a kind of heat management systems for Vehicular battery, it includes battery case and the intake stack and wind pipe that fluidly connect with battery case, multiple battery cells to be heated or cooled by the incoming air flowed into from intake stack of arranged are provided in battery case, it is characterized in that, in the holding plane of single battery, on the direction perpendicular to incoming air flow direction, battery cell is arranged in a non-uniform manner.
Description
Technical field
The present invention relates to the thermal management technology fields of battery, relate more specifically to a kind of for Vehicular battery such as power electric
The heat management system in pond.
Background technique
In recent years, countries in the world are increasingly tight to solve all in the electric car for wideling popularize and developing low energy consumption, low emission
The environmental pollution and energy crisis of weight.Electric car is using power battery pack as power source.Therefore, power battery pack is to influence
The key factor of the overall performance of electric car.For the high power requirement for meeting electric car, usually by the intensive cloth of battery cell
It sets to form high power density battery pack.Such arrangement will lead to battery can generate a large amount of chemical reaction in actual operation
Heat, Joule heat etc. increase rapidly so as to cause battery surface temperature, influence battery performance and service life, will also lead when serious
It sends a telegraph pond and thermal runaway occurs, influence the reliability and safety of battery and electric car.Therefore, design has battery thermal management system
To control the temperature of battery, therefore ensures that battery pack is efficient, is safely operated and reduces battery failures rate.
Currently, battery pack heat management mode mainly includes, air is cooling, liquid is cooling and the phase-change accumulation energy type of cooling.Air
Cooling is the current most widely used type of cooling of batteries of electric automobile group.It is existing to be needed for air cooled air cooling system
Electric energy is consumed to drive blower.It is existing that using heat management system of air cooling system itself, energy consumption is high, low efficiency there is also having, and
The problem of with shorter battery life.
Therefore, the present invention is directed to find a kind of to overcome the problems, such as said one in the prior art or multiple for vehicle
The heat management system and method for battery.
Summary of the invention
It is an object of the present invention to provide a kind of heat management system for Vehicular battery, enable battery efficient operation, electricity
The pond service life extends, and operating cost reduces.
Above-mentioned purpose is realized by the heat management system for Vehicular battery with following characteristics: one kind being used for vehicle
The heat management system of battery comprising battery case and the intake stack and wind pipe that are fluidly connected with battery case, in battery case
Inside it is provided with multiple battery cells to be heated or cooled by the incoming air flowed into from intake stack of arranged, feature
It is, in the holding plane of single battery, on the direction perpendicular to incoming air flow direction, battery cell is with non-homogeneous
Mode arrange.
Advantageously, on the direction perpendicular to incoming air flow direction, spacing between battery cell is with far from entering
Stream air core line region is gradually reduced.
Advantageously, the multiple battery cell is provided with fin, powers in the direction perpendicular to incoming air flow direction
The fin area incremental raio of pond monomer is gradually reduced with far from incoming air centre line zone.
Advantageously, along the longitudinal direction of battery cell, the fin is equally spacedly arranged.
Advantageously, along incoming air flow direction, battery cell is arranged in team, offsets one from another between adjacent team.
Advantageously, the spacing of fin of the battery cell of adjacent team is different.
Advantageously, air processor is provided in intake stack, which includes being configured to sky
Gas carries out cooling cooler.
Advantageously, heat management system further includes refrigeration system, and the evaporator of the refrigeration system is as the cooler.
Advantageously, the air processor further includes air filter.
Advantageously, the air inlet of intake stack and vehicle front side is in fluid communication.
Heat management system according to the present invention, improvement cost is low, and makes that work efficiency is high, longer cell life, peace
Overall coefficient improves.
Detailed description of the invention
In order to sufficiently disclose the present invention, so that those skilled in the art can be realized the present invention according to the record of specification,
Spy provides the following drawings, and the embodiment of the present invention has been described in detail in conjunction with attached drawing.But attached drawing and corresponding implementation
Example explanation is solely for the purpose of illustration, and is not intended to limit the present invention.
Fig. 1 shows the general illustration of the vehicle equipped with heat management system according to the present invention；
Fig. 2 shows the schematic cross-sections cutd open according to the heat management system in Fig. 1 along line A-A, and there is shown with have battery case
The configuration of interior battery cell and its arrangement form；
Fig. 3 shows the general illustration of the vehicle equipped with heat management system according to another embodiment of the present invention；And
Fig. 4 shows the schematic cross-section that heat management system according to fig. 2 is cutd open along line B-B, and there is shown with have in battery case
The configuration of battery cell and its arrangement form.
Specific embodiment
It below will be referring in particular to Detailed description of the invention the embodiment of the present invention.Whenever possible, phase is all used in all the appended drawings
With appended drawing reference indicate identical or similar component.
It is shown in Figure 1, the heat pipe according to the present invention for vehicle (such as electric car) battery such as power battery
Reason system 1 includes the battery case 10 for being mounted on the Battery compartment of vehicle, the intake stack 20 and discharge pipe being connected to battery case
Road 30.It will be seen from figure 1 that intake stack 20 is configured to the air introduced from the air inlet for being located at vehicle front side being directed to electricity
In pond case 10.Be provided in battery case 10 arranged to be heated or cooled by the incoming air flowed into from intake stack
Multiple battery cells 100.Heat management system 1 further includes the air processor 40 being arranged in intake stack.Air is entering
Through the cooling of air processor 40 or heat treatment before in battery case.In the case of air processor starting, be heated/
Cooling air enters in battery case, heat/cool down to battery cell, and later, temperature reduction/raised air is through going out
Air piping is discharged from the air outlet for being located at vehicle rear-side.Shown in arrow in referring to fig. 2, it is hollow to be shown specifically heat management system
The flow path of gas.
In an advantageous embodiment, the blower fan apparatus that for example, centrifugal blower is provided in intake stack 20 (does not show
Out), it is entered in battery case to extract suitable air from the air inlet of vehicle front side.When vehicle is along D direction running, by
In air inlet in state windward, the air with certain speed is directly entered in heat management system, to a certain extent can be with
The energy consumption for reducing blower, therefore, it is possible to reduce the energy consumption of entire heat management system.
Advantageously, moreover, heat management system 1 according to the present invention further includes controller (not shown).Blower fan apparatus and control
Device processed is connected, to control blower according to the temperature on the battery cell surface in battery case and/or the temperature of air inlet air
The revolving speed and/or intake velocity/pressure of device.According to practical demand for control, it can be set multiple temperature sensors, such as
Measure the temperature sensor of temperature of air inlet air, the temperature sensor for measuring air outlet air themperature, for measuring
The temperature sensor etc. of battery cell surface temperature in battery case.
In an advantageous embodiment, air processor 40 may include air heater and/or aerial cooler.When
When air processor is with the mode operation of cooling air, aerial cooler can be designed as the evaporator of refrigeration system, and set
The condenser for counting into refrigeration system then can be placed in outside vehicle and be suitble to discharge the independent heat extraction in place of heat.Air heater can
To be designed to electric heater unit.
Alternatively, it is also possible to which air filter (not shown) is arranged in air processor 40, to ensure to enter battery
Air in case will not result in blockage or corrode.
Referring specifically to shown in Fig. 2, it is disposed with along air current flow direction into fluid space 10a, battery cell in battery case
Layout area S and out fluid space 10b.Enter fluid space 10a to be configured to shunt the incoming air from intake stack
And guidance, to ensure that incoming air flows into battery cell layout area S with pattern at the appropriate speed.It is arranged in battery cell
It is provided in the S of cloth region for keeping battery cell according to scheduled pattern/pattern arrangement retainer.As shown in Figure 2,
Battery cell lines up multiple columns along air-flow direction.For ease of description, regard air-flow direction in Fig. 2 as X-direction,
Paper will be parallel to and Y-direction is regarded in the direction vertical with X-direction as, Z-direction is regarded in the direction that will be perpendicular to paper as.It can think
As, battery cell shown in Fig. 2 by monomer it is longitudinal with Z-direction it is consistent in a manner of arrange.In X direction equidistantly to get into the column
The monomer group of formation is juxtaposed to each other in the Y direction.In the embodiment shown in fig. 2, wrong each other between adjacent monomer group
It opens, to maximally utilize battery installation space.Preferably, in the Y direction, the spacing between monomer group is with far from battery cell
Layout area centre line zone in the Y direction and gradually increase.As a result, in the Y direction, battery cell layout area S is in the side Y
Battery cell packing density is greater than the battery cell packing density positioned at two sides in upward centre line zone.As a result, in the Y direction
On centre line zone in form intensive airflow channel, and loose airflow channel is formed in two side areas so that from
The portion of air that space flows into that becomes a mandarin flows to the lesser region of flow resistance, while ensuring that the air-flow of sufficient amount flows into battery list
The biggish region of body packing density forms strong turbulent flow and whereby augmentation of heat transfer, thereby, it is ensured that being located at the center line in Y-direction
The battery cell in region is cooled down enough.
Although showing in Fig. 2, battery cell 100 is arranged in the form of queue, those skilled in the art can also think
It arrives, battery cell is not limited only to queue arrangement form, can also arrange according to other rules or irregular pattern, as long as meeting
From battery cell layout area, centre line zone is gradually reduced to two sides battery cell packing density in the Y direction.
Fig. 3 shows the vehicle with battery thermal management system 1 according to a second embodiment of the present invention, wherein heat management system
The intake stack of system and the connecting portion (being into head piece) of battery case are located at the uper side surface of battery case, and wind pipe and battery
The connecting portion (i.e. outflow port) of case is located at the downside surface of battery case.Up and down direction shown in Fig. 3 and " Z-direction " herein
It is consistent.
From Fig. 4, also it can be clearly seen that the vertical extension in z-direction of battery cell 100.It is flowed into through intake stack
Air initially enter case it is intracorporal enter fluid space shunted, then (vertical paper is outside in Fig. 4) flows through substantially in X direction
According to the battery cell that certain pattern is arranged, finally enters out fluid space and be discharged through wind pipe.Certainly, those skilled in the art
Member it is contemplated that the air for entering fluid space directly flows through battery cell layout area, into fluid space out along Z-direction, finally from
Wind pipe discharge.Air stream and the relative flow relationship of battery cell can be designed according to actual needs.
In the embodiment shown in fig. 4, battery cell 100 is substantially in the form of a column form.It is provided with around each battery cell
Thus fin 101 increases the thermocontact area between battery cell and the air of surrounding flowing and and then improves between the two
Heat transference efficiency.The increment of the thermocontact area as obtained from the adding of fin for ease of description introduces parameter area incremental raio p
The fin gross area being arranged on=single battery monomer/single battery monomer circumferential surface area.
The center line area being located in the Y direction in advantageous embodiment shown in Fig. 4, in battery cell layout area S
The battery cell in domain has maximum area increase ratio, and the area increase ratio gradually subtracts with far from the centre line zone
It is small.It is embodied in, the fin on the battery cell of centre line zone is intensive in the Y direction, thereby increases to air-flow
Disturbance, thus understand some air-flow and deviate original route and be dispersed on the smaller battery cell of area increase of two sides,
Make air flow method to a certain extent in the Y direction more evenly, in addition, close to the battery list of centre line zone in the Y direction
Body can equally obtain preferable heat transmitting effect by means of biggish fin area incremental raio under the action of the air-flow of reduction amount
Fruit, and the battery cell for being located at two sides only needs a small amount of air-flow to be just enough that it is made to maintain normal working temperature.Therefore, finally make
In entire battery case all battery cells maintain it is almost the same at a temperature of work, the working condition of battery case is more stable,
Longer life expectancy.
Although showing in Fig. 4, fin 101 is arranged in discrete form around battery cell.But those skilled in the art
It is readily apparent that, fin can be for example nested on battery cell in the form of ring otherwise.Optionally, along the Z direction, wing
Piece is one by one to be equidistantly arranged side by side.Advantageously, the fin on the adjacent battery cell lined up is in z-direction between different
Away from staggeredly extending, transmitted with the disturbance increased to air-flow and the heat promoted between air-flow and fin.Fin is also not limited only to figure
Shown in form, structure can be increased for the surface areas such as rib, protrusion.In addition, ripple or narrow also can be set on fin
The structures such as seam, to increase the surface area contacted with air.
Although showing battery cell packing density and area increase in Fig. 2 and Fig. 4 than from the centre line zone in Y-direction
It is in the Long-term change trend being gradually reduced to two sides.But those skilled in the art are readily apparent that, according to entering fluid space on battery case
Setting position and air inflow specific orientation, battery cell packing density and/or area increase ratio can also be designed to have
There is different changing patteries.For example, entering fluid space and fluid space is located at battery cell or more two sides and the side of becoming a mandarin out
To substantially with battery cell vertical consistency and when entering central area that head piece is generally positioned on the upside of battery case, battery cell peace
Dress density and/or area increase with from the center line of battery case extended along Z-direction than can radially outward be gradually reduced.
Although in addition, show battery cell packing density in figure and area increase is changed in one dimension than only,
But those skilled in the art are readily apparent that, battery cell packing density and/or area increase ratio can become in multiple dimensions
Change, is changed with also can be combined with each other.By taking Fig. 2 as an example, battery cell packing density is also designed to along air-flow side
To being gradually reduced, gone out with ensuring still to have with the gradually smaller air of the battery cell temperature difference enough flow velocitys to flow through close to battery case
The battery cell in head piece region.By taking Fig. 4 as an example, area increase ratio is also designed to be gradually increased along airflow direction, with strong
Change and is transmitted with the heat of battery cell and air close to battery case outflow port side.
Although being illustrated by taking cylindrical battery monomer as an example in Fig. 1-4.But those skilled in the art are readily apparent that,
Battery cell may be other kinds of battery such as cube battery or soft-package battery.
Herein, the directions such as "up" and "down" term refers to battery cell electricity when placing on horizontal holding plane
The longitudinal extension of pond monomer.
The advantages of in order to more clearly understand heat management system of the invention and method, the heat management system shown below with Fig. 2
Illustrate heat management system of the present invention and method for system.
Battery at runtime, generates amount of heat, and 100 surface temperature of battery cell increases, and heat is fast by battery surface
Speed passes to fin 101, and when battery surface temperature is higher than high temperature set temperature, controller starts refrigeration mode, blower fan apparatus
Operation, enter air processor through air inlet air, first pass around filter cleaning in the air processor, after pass through
Subcooler is cooled to target temperature, is uniformly sent into battery case through intake stack by entering head piece through cooling circulation air
Portion enters fluid space, and the lower cold air of temperature carries out heat convection with battery cell surface and the fin being arranged thereon and takes away heat
Amount, final to reduce battery cell surface temperature, the raised air of temperature is gone out fluid space and enters wind pipe from outflow port, from position
It is discharged in the air outlet of vehicle rear-side.When battery surface temperature is terminating below high temperature set temperature, blower fan apparatus is out of service,
Complete cooling procedure.
When battery cell surface temperature is lower than low temperature set temperature, controller starts heating mode, and blower fan apparatus is run,
Enter air processor through air inlet air, filter cleaning is first passed around in the air processor, later by adding
Hot device is heated to target temperature, is then uniformly sent into inside battery case, the higher hot-air of temperature and battery cell surface and
Be arranged in thereon fin 101 carry out heat convection heating battery cell, temperature reduce air through go out fluid space from outflow port into
Enter wind pipe, is discharged from the air outlet for being located at vehicle rear-side.When battery cell surface temperature is finally higher than low temperature set temperature
When, blower fan apparatus is out of service, completes battery cell heating up process.
Heat management system of the invention need to only be made slight on the basis of the existing cooling system for battery pack
Change can be obtained, and therefore, improvement cost is low, and entire heat management system can with higher efficiency, higher safety system
Number works.
It should be noted that, in this document, term " includes " or any other variant are intended to the packet of nonexcludability
Contain, so that the process, article or the equipment that include a series of elements not only include those elements, but also including not bright
The other element really listed, or further include for this process, article or the intrinsic element of equipment.Do not limiting more
In the case where system, the element that is limited by sentence "including a ...", it is not excluded that include the process of the element, article or
There is also other identical elements in person's equipment.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, to those skilled in the art
For, a variety of improvement and modification can be made to the device of the invention in the case of without departing from the scope of the present invention.This field
Technical staff by considering that other embodiments also can be obtained in content disclosed in this specification.This specification and example only should be by
It is considered as illustratively, true scope of the invention is by appended claims and equivalents.
Claims (10)
1. a kind of heat management system for Vehicular battery comprising battery case and the intake stack fluidly connected with battery case and
Wind pipe is provided with the more to be heated or cooled by the incoming air flowed into from intake stack of arranged in battery case
A battery cell, which is characterized in that in the holding plane of single battery, in the direction perpendicular to incoming air flow direction
On, battery cell is arranged in a non-uniform manner.
2. heat management system according to claim 1, wherein on the direction perpendicular to incoming air flow direction, electricity
Spacing between the monomer of pond is gradually reduced with far from incoming air centre line zone.
3. heat management system according to claim 1 or 2, wherein the multiple battery cell is provided with fin, vertical
In incoming air flow direction direction upper battery cell fin area incremental raio with far from incoming air centre line zone
It is gradually reduced.
4. heat management system according to claim 3, wherein along the longitudinal direction of battery cell, the fin is equally spacedly arranged
Column.
5. heat management system described in any one of -4 according to claim 1, wherein along incoming air flow direction, battery
Monomer is arranged in team, offsets one from another between adjacent team.
6. heat management system according to claim 5, wherein the spacing of fin of the battery cell of adjacent team is different.
7. heat management system according to claim 1 to 6, wherein be provided with air-treatment in intake stack
Device, the air processor include being configured to carry out air in cooling cooler.
8. heat management system according to claim 7, wherein heat management system further includes refrigeration system, the refrigeration system
The evaporator of system is as the cooler.
9. heat management system according to claim 7, wherein the air processor further includes air filter.
10. heat management system according to claim 1 to 9, wherein the air inlet of intake stack and vehicle front side
Mouth is in fluid communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213834.5A CN109599638A (en) | 2018-10-18 | 2018-10-18 | Heat management system for Vehicular battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811213834.5A CN109599638A (en) | 2018-10-18 | 2018-10-18 | Heat management system for Vehicular battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109599638A true CN109599638A (en) | 2019-04-09 |
Family
ID=65957975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811213834.5A Pending CN109599638A (en) | 2018-10-18 | 2018-10-18 | Heat management system for Vehicular battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109599638A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176653A (en) * | 2019-06-25 | 2019-08-27 | 华东交通大学 | A kind of phase transformation combined type battery heat management system and its control method |
| CN110370908A (en) * | 2019-06-13 | 2019-10-25 | 瑞安市浙工大创新创业研究院 | A kind of battery for electric automobile case |
| CN113571797A (en) * | 2021-06-29 | 2021-10-29 | 哈尔滨工程大学 | Battery fog cold and hot management system wrapping V-shaped fins |
-
2018
- 2018-10-18 CN CN201811213834.5A patent/CN109599638A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370908A (en) * | 2019-06-13 | 2019-10-25 | 瑞安市浙工大创新创业研究院 | A kind of battery for electric automobile case |
| CN110176653A (en) * | 2019-06-25 | 2019-08-27 | 华东交通大学 | A kind of phase transformation combined type battery heat management system and its control method |
| CN110176653B (en) * | 2019-06-25 | 2023-11-28 | 华东交通大学 | Phase-change composite battery thermal management system and control method thereof |
| CN113571797A (en) * | 2021-06-29 | 2021-10-29 | 哈尔滨工程大学 | Battery fog cold and hot management system wrapping V-shaped fins |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190409 |
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| WD01 | Invention patent application deemed withdrawn after publication |