CN110323369A - A kind of automobile and power battery heating device - Google Patents
A kind of automobile and power battery heating device Download PDFInfo
- Publication number
- CN110323369A CN110323369A CN201810265860.6A CN201810265860A CN110323369A CN 110323369 A CN110323369 A CN 110323369A CN 201810265860 A CN201810265860 A CN 201810265860A CN 110323369 A CN110323369 A CN 110323369A
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- CN
- China
- Prior art keywords
- battery core
- power battery
- battery
- magnetic conduction
- heating device
- 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
-
- 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
-
- 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
- H01M10/63—Control systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
Abstract
The present invention discloses a kind of automobile and its power battery heating device, the power battery includes battery core mould group, the heating device includes electromagnetic induction controller and magnetic conduction heating layer, the electromagnetic induction controller is set to the both ends of the battery core mould group, and the magnetic conduction heating layer is set to the battery core module internal.Compared with the prior art, power battery heating device provided by the present invention, using electromagnetic induction heating technology, heat conversion is high, about the 95% of power consumption can be converted into thermal energy, and heating efficiency is substantially improved, and heat more rapid, the charging waiting time of power battery during the cold season can be reduced, quick charge is conducive to.
Description
Technical field
The present invention relates to power battery technology field more particularly to a kind of automobiles and power battery heating device.
Background technique
For new-energy automobiles such as electric car or oil-electric vehicles, to ensure its power battery during the cold season
Quick charge, reduce charging the waiting time, it usually needs dedicated heating device is set, with the battery core mould group to power battery
It is heated.
In the prior art, there are two types of the schemes generallyd use: 1) heated by electrothermal film scheme directlys adopt resistance wire pair
Battery core mould group is heated, and the heat transfer efficiency of this heating method is lower, and resistance wire is easy to happen high temperature oxygen during heating
Change, the service life is shorter;2) coolant liquid heat protocol, this heating method need the heater of additional configuration heated cooling fluid, structure
It is relative complex, and conduct heat by the specific heat capacity of coolant liquid, heat transfer efficiency is relatively low, so that limited electric power money in battery pack
Source cannot efficiently utilize, and power resource is caused to waste.
Therefore, how a kind of higher power battery heating device of heating efficiency is provided, be still those skilled in the art urgently
Technical problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of automobile and power battery heating devices, compared with the prior art, the heating device
Heating efficiency can greatly improve.
In order to solve the above technical problems, the present invention provides a kind of power battery heating device, the power battery includes electricity
Core model group, the heating device include electromagnetic induction controller and magnetic conduction heating layer, and the electromagnetic induction controller is set to the electricity
The both ends of core model group, the magnetic conduction heating layer are set to the battery core module internal.
Compared with the prior art, power battery heating device provided by the present invention uses electromagnetic induction heating technology, and heat turns
Rate is high, and about the 95% of power consumption can be converted into thermal energy, and heating efficiency is substantially improved, and heating is more rapid, can reduce
The charging waiting time of power battery during the cold season, be conducive to quick charge.
Optionally, the battery core mould group includes several spaced battery cores, and the electromagnetic induction controller is located at described
Battery core mould group is along the both ends of each battery core septal direction.
Optionally, the magnetic conduction heating layer is equipped between adjacent two battery core.
Optionally, the magnetic conduction heating layer includes magnetic conduction heating member and heat conductive insulating pad, and the magnetic conduction heating member is set to institute
It states inside heat conductive insulating pad.
Optionally, the heat conductive insulating pad is elastic cushion, in the two sides of each battery core septal direction and adjacent
Two battery cores fit.
Optionally, the magnetic conduction heating member is heater strip or heating sheet;When for heater strip, the serpentine-like row of heater strip
Cloth or rectangular-ambulatory-plane arrangement.
It optionally, further include the battery core temperature sensor for being set to battery core module internal, for detecting the battery core mould group
Internal temperature;The electromagnetic induction controller is connect with the battery core temperature sensor signal, and can be according to measuring
The internal temperature of battery core mould group adjusts heating power.
It optionally, further include frequency converter, the frequency converter is electrically connected with the electromagnetic induction controller, the frequency converter energy
Enough exciting currents for adjusting the induction coil by the electromagnetic induction controller.
It optionally, further include the heating layer temperature sensor being set to inside the magnetic conduction heating layer, the heating layer temperature
Sensor is connect with the electromagnetic induction controller signals.
The present invention also provides a kind of automobile, including power battery, there is the power battery above-mentioned power battery to heat
Device.
Since above-mentioned power battery heating device has had technical effect as above, then, there is the power battery to add
The automobile of thermal, also when having similar technical effect, this will not be repeated here.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of power battery heating device provided by the present invention;
Fig. 2 is the structural schematic diagram of magnetic conduction heating layer in Fig. 1.
1 battery core mould group, 11 battery cores, 2 electromagnetic induction controllers, 21 induction coils, 3 magnetic conduction heating layers, 31 magnetic conduction heating members,
32 heat conductive insulating pads, 33 heating layer temperature sensors.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention
Applying example, the present invention is described in further detail.
It is described herein it is " several " be that exponential quantity is uncertain multiple, it is usually more than two;And when using " several " table
When showing the quantity of certain several component, the quantity for being not offered as these components is identical.
With the increasingly reduction of conventional petroleum resource, the new-energy automobiles such as electric car, oil-electric vehicle are gradually
Market is moved towards, for the new-energy automobile of this form, power battery is core component, the performance of power battery, continuation of the journey, fastly
Speed charging etc. also becomes the key content of people's research.
The performance of power battery be affected by temperature it is larger, not only power electric
Discharge performance, the continuation of the journey in pond etc. can seriously be deteriorated, and charging performance will be also affected to some extent, and be mainly shown as that charging waits
Time is longer, it is slow to charge, this just seriously affects the popularization and use of new-energy automobile.
For the technical problem, it is primarily present heated by electrothermal film in the prior art and coolant liquid heats two kinds for dynamic
The heat protocol of power battery, however, the heating device of both forms exists, heat conversion is low, the low problem of heating efficiency,
Effect in practical applications is extremely limited.
The defect in conjunction with present in the prior art, the invention proposes a kind of using the novel dynamic of electromagnetic induction heating technology
Power battery heating device, specifically please refers to Fig. 1-2, and Fig. 1 is a kind of specific reality of power battery heating device provided by the present invention
The structural schematic diagram of mode is applied, Fig. 2 is the structural schematic diagram of magnetic conduction heating layer in Fig. 1.
As shown in Figure 1, the present invention provides a kind of power battery heating device, power battery includes battery core mould group 1, the heating
Device includes electromagnetic induction controller 2 and magnetic conduction heating layer 3, and electromagnetic induction controller 2 is set to the both ends of battery core mould group 1, magnetic conduction
Heating layer 3 is set to inside battery core mould group 1.
At work, with the starting of electromagnetic induction controller 2, it can produce the magnetic force of frequency alternation in induction coil 21
Line so that be set to battery core mould group 1 inside magnetic conduction heating layer 3 surface generate be vortexed, by the magnetic conduction heating layer 3 internal resistance into
Row fever, to achieve the purpose that heat battery core mould group 1.Electromagnetic heating technique is non-contact thermal, compared with the prior art,
Heat conversion is high, and about the 95% of 21 power consumption of induction coil can be converted into thermal energy, and heating efficiency greatly improves, and heats more fast
Speed can reduce the charging waiting time of power battery during the cold season, be conducive to quick charge.
Specifically, battery core mould group 1 may include several spaced battery cores 11, electromagnetic induction controller 2 can position
In battery core mould group 1 along the both ends of each 11 septal direction of battery core, it is reflected in Fig. 1, substantially interval is arranged each battery core 11 in left-right direction,
Then electromagnetic induction controller 2 can be set to the left and right ends of battery core mould group 1, consequently facilitating frequency alternation caused by induction coil 21
Magnetic force line cutting magnetic conduction heating layer 3.
The quantity of above-mentioned magnetic conduction heating layer 3 can be multiple, and can be set between each battery core 11, that is to say, that battery core
It is equipped with magnetic conduction heating layer 3 between the adjacent battery core 11 of any the two of mould group 1, so that each battery core 11 can be heated, to keep away
The generation for exempting from heating dead angle is conducive to being evenly heated for entire battery core mould group 1.
As shown in Fig. 2, the magnetic conduction heating layer 3 may include magnetic conduction heating member 31 and heat conductive insulating pad 32, magnetic conduction heating member
31 can be set to the inside of heat conductive insulating pad 32, i.e. the heat conductive insulating pad 32 can form magnetic conduction heating member 31 and wrap up, to keep away
Exempt from magnetic conduction heating member 31 to contact with the direct of battery core 11.
So set, the influence of magnetic conduction heating member 31 Yu 11 surface planarity of battery core can be effectively eliminated, localized heat can be prevented
The situation that excessive, heat transfer is obstructed is hindered, is conducive to export even heat caused by magnetic conduction heating member 31 to each battery core 11
Surface.
It is to be understood that the scheme of heated by electrothermal film employed in the prior art, heat transfer efficiency are affected by flatness,
Position undesirable for flatness, it will generate biggish thermal resistance, seriously affect heat transfer, or even thermal runaway can occur and show
As;And the used heating device of the embodiment of the present invention, then the technical problem can be solved, effectively to ensure inside battery core mould group 1
It is evenly heated.
In addition, the insulating heat-conductive pad 32 can also carry out insulation processing to the surface of magnetic conduction heating member 31, to completely cut off battery core
11 with magnetic conduction heating member 31 inside the vortex as caused by electromagnetic induction phenomenon;Due to the presence of the insulating heat-conductive pad 32, also
It can be avoided that lead to the problem of high-temperature oxydation, service life during Resistant heating in the prior art short, be conducive to extend magnetic conduction and add
The service life of thermosphere 3, and then can ensure the service life of heating device provided by the present invention.
Further, above-mentioned heat conductive insulating pad 32 can be elastic cushion, can in the two sides of each 11 septal direction of battery core
To fit with adjacent battery core 11, still using Fig. 1 as visual angle, that is to say, that the left and right sides of heat conductive insulating pad 32 can be tight
Paste two adjacent battery cores 11.In this way, absorbable battery core 11 is produced in life cycle due to the compressibility of heat conductive insulating pad 32
Raw volume expansion, the situation for causing magnetic conduction heating layer 3 to be subject to crushing to avoid the expansion of battery core 11.
Specific to the embodiment of the present invention, the insulating heat-conductive pad 32 can for thickness in 1mm or so, thermal coefficient in 1W/
(mK) the foam material of left and right can be more specifically filled-type thermally conductive silicone rubber material;In processing, can lead
The insulating heat-conductive pad 32 that 0.5mm or so has same thickness is respectively set in the left and right sides of magnetic heating member 31, to guarantee that magnetic conduction adds
There is approximately uniform heat-transfer effect at left and right sides of warmware 31.
Magnetic conduction heating member 31 in magnetic conduction heating layer 3 can be preferably that magnetic property is good, the good material of heating property,
For example, can be iron;It is distinguished from appearance, which can be again sheet or filiform, it can for heating sheet or add
The form of heated filament;When for sheet, the quantity of each heating sheet can be multiple, and can be spaced apart according to actual needs in insulation
On heat conductive pad 32, when for filiform, which can serpentine-like arrangement or rectangular-ambulatory-plane arrangement.
In fact, between the 1 each battery core 11 in inside of battery core mould group, the Thermogenesis and heat buildup effects of different zones
It is different, for example, at positive and negative anodes extraction and its temperature of near zone can be slightly higher in 11 charge and discharge process of battery core.
So before heating device provided by the present invention is produced and processed one can be carried out in advance according to its application environment
The temperature feelings of heat production inside battery core mould group 1 to be installed, radiating condition and each battery core 11 are explored in fixed simulation test research
Condition is adjusted flexibly the layout density and shape of the magnetic conduction heating member 31 between each battery core 11 in magnetic conduction heating layer 3, is being also easy to produce heat
The position of amount accumulation can not be arranged or arrange magnetic conduction heating member 31 less, and can suitably increase magnetic conduction in the lower position of temperature
The density of heating member 31, thus the temperature between balanced each battery core 11.
For heating device involved in the respective embodiments described above, following present invention embodiment will be to its computer heating control part
It is described in detail.
Heating device provided by the present invention can also include battery core temperature sensor inside the battery core mould group 1 (in figure
Be not shown), for detecting the internal temperature of battery core mould group 1, specifically can be set to battery core 11 tab or other be able to reflect
The installation point of 11 internal temperature of battery core.
Electromagnetic induction controller 2 can be connect with battery core temperature sensor signal, and can be according to the battery core mould group 1 measured
Internal temperature adjust alternating electromagnetic field, to change heating power, so that having suitable temperature inside battery core mould group 1.
It further, can also include frequency converter (not shown), frequency converter can be electrically connected with electromagnetic induction controller 2
It connects, frequency converter can adjust the exciting current of the induction coil 21 by electromagnetic induction controller 2, to control in battery core mould group 1
Alternating electromagnetism field frequencies range caused by portion, and then realize the accurate control of temperature.
The inside of above-mentioned magnetic conduction heating layer 3 can also be equipped with heating layer temperature sensor 33, the heating layer temperature sensor
33 specifically can be set to heat conductive insulating pad 32 geometric center or other be able to reflect the installation of 3 internal temperature of magnetic conduction heating layer
Point;The heating layer temperature sensor 33 can be connect with 2 signal of electromagnetic induction controller, to control magnetic conduction heating layer 3 in real time
Internal temperature.
The inside of power battery heating device provided by the present invention can also be not provided with temperature sensor, and then can be used one
Fixed control strategy limits heating power, to ensure the safety of heating process, for example, can be used according to varying environment temperature institute
The control strategy of heating power, heating time is set.
, it is emphasized that power battery heating device provided by the present invention, is not limited in the application in automotive field, it is practical
On, it is any be applied to the occasion that power battery works the heating device can be used corresponding power battery is added
Heat, to ensure the quick charge of power battery.
The present invention also provides a kind of automobile, which can need power for electric car or the electric combination drive automobile of oil etc.
Battery provides the automobile of driving force, which has the heating dress of power battery involved in aforementioned each embodiment
It sets.
Since power battery heating device above-mentioned has had technical effect as above, then, with the power battery
Automobile is also when having similar technical effect, therefore this will not be repeated here.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of power battery heating device, the power battery includes battery core mould group (1), which is characterized in that including electromagnetism sense
Controller (2) and magnetic conduction heating layer (3) are answered, the electromagnetic induction controller (2) is set to the both ends of the battery core mould group (1), institute
It states magnetic conduction heating layer (3) and is set to battery core mould group (1) inside.
2. power battery heating device according to claim 1, which is characterized in that the battery core mould group (1) includes several
Every the battery core (11) of setting, the electromagnetic induction controller (2) is located at the battery core mould group (1) and is spaced along each battery core (11)
The both ends in direction.
3. power battery heating device according to claim 2, which is characterized in that be all provided between adjacent two battery core (11)
State magnetic conduction heating layer (3).
4. power battery heating device according to claim 2, which is characterized in that the magnetic conduction heating layer (3) includes magnetic conduction
Heating member (31) and heat conductive insulating pad (32), it is internal that the magnetic conduction heating member (31) is set to the heat conductive insulating pad (32).
5. power battery heating device according to claim 4, which is characterized in that the heat conductive insulating pad (32) is elasticity
Pad, fits in two sides and the two adjacent battery cores (11) of each battery core (11) septal direction.
6. power battery heating device according to claim 4, which is characterized in that the magnetic conduction heating member (31) is heater strip
Or heating sheet;When for heater strip, the serpentine-like arrangement of the heater strip or rectangular-ambulatory-plane arrangement.
7. power battery heating device described in any one of -6 according to claim 1, which is characterized in that further include being set to battery core mould
The internal battery core temperature sensor of group (1), for detecting the internal temperature of the battery core mould group (1);
The electromagnetic induction controller (2) connect with the battery core temperature sensor signal, and can be according to the electricity measured
The internal temperature of core model group (1) adjusts heating power.
8. power battery heating device according to claim 7, which is characterized in that further include frequency converter, the frequency converter with
Electromagnetic induction controller (2) electrical connection, the frequency converter can adjust the induction by the electromagnetic induction controller (2)
The exciting current of coil (21).
9. power battery heating device according to claim 7, which is characterized in that further include being set to the magnetic conduction heating layer
(3) internal heating layer temperature sensor (33), the heating layer temperature sensor (33) and the electromagnetic induction controller (2)
Signal connection.
10. a kind of automobile, including power battery, which is characterized in that the power battery has such as any one of claim 1-9
The power battery heating device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810265860.6A CN110323369A (en) | 2018-03-28 | 2018-03-28 | A kind of automobile and power battery heating device |
Applications Claiming Priority (1)
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CN201810265860.6A CN110323369A (en) | 2018-03-28 | 2018-03-28 | A kind of automobile and power battery heating device |
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CN110323369A true CN110323369A (en) | 2019-10-11 |
Family
ID=68110072
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CN201810265860.6A Pending CN110323369A (en) | 2018-03-28 | 2018-03-28 | A kind of automobile and power battery heating device |
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Cited By (1)
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CN114614143A (en) * | 2022-03-03 | 2022-06-10 | 中国第一汽车股份有限公司 | Battery thermal management system, control method thereof, battery assembly and electric vehicle |
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Application publication date: 20191011 |