CN107069145A - Electrokinetic cell heater in electric automobile - Google Patents
Electrokinetic cell heater in electric automobile Download PDFInfo
- Publication number
- CN107069145A CN107069145A CN201611136607.8A CN201611136607A CN107069145A CN 107069145 A CN107069145 A CN 107069145A CN 201611136607 A CN201611136607 A CN 201611136607A CN 107069145 A CN107069145 A CN 107069145A
- Authority
- CN
- China
- Prior art keywords
- heating plate
- control circuit
- switch
- electrokinetic cell
- processor
- 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.)
- Granted
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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
- H01M10/615—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
-
- 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 invention discloses electrokinetic cell heater in a kind of electric automobile.The device is used for the electrokinetic cell for heating electric automobile, and the device includes：At least a piece of heating plate, heating plate is disposed adjacent with a side of electrokinetic cell, for producing heat to improve the temperature of electrokinetic cell local environment, wherein, heating plate is higher than the material of predetermined threshold value using pyroconductivity；At least one control circuit, connects one to one with least a piece of heating plate, for controlling whether corresponding heating plate produces heat；Processor, is connected with least one control circuit respectively, instructs to indicate whether at least one control circuit controls corresponding heating plate to produce heat for output control.The present invention is solved in correlation technique can not meet the technical problem of application request to the mode of heating of electrokinetic cell in electric automobile.
Description
Technical field
The present invention relates to electric automobile field, in particular to electrokinetic cell heater in a kind of electric automobile.
Background technology
Because current problem of environmental pollution is increasingly serious, from automobile industry upgrading, energy-saving and emission-reduction, energy security strategy
Highly set out, electric vehicle engineering and industry have obtained promotion and development energetically, electric automobile has obtained popularization and application.So
And, the practical problem of some applications also begins to highlight, wherein, the charge-discharge performance of electrokinetic cell is influence user in electric automobile
Select the subject matter of electric automobile.Especially in extremely frigid zones, the charge-discharge performance of electric automobile power battery and the longevity is used
Life drastically declines, and has had a strong impact on the distance travelled and vehicle use cost of user.Therefore, power battery pack must possess conjunction
Reason, science and efficient heating system.
At present, the problem of being heated to electrokinetic cell not yet obtains enough attention.Existing heating means mainly include：Electricity
Pond inside heating method, gas heating, heater plate method, heating mantle heats method, heating film heating etc..Inside heating method is difficult
To be realized in electric automobile in-car, and the service life of influence battery.Gas heating has that firing rate is slow and heating energy
The problem of consumption is higher.Heater plate method easily causes temperature point between each monomer of battery due to being that battery pack is integrally heated
Cloth is uneven.Heating mantle heats method, which exists, is unfavorable for the problem of battery radiates.Heating film heating with power battery pack sheet as
Power supply, is limited by battery self-capacity and electricity.
For the skill of application request can not be met to the mode of heating of electrokinetic cell in electric automobile in correlation technique
Art problem, not yet proposes effective solution at present.
The content of the invention
The embodiments of the invention provide electrokinetic cell heater in a kind of electric automobile, at least to solve in correlation technique
The technical problem of application request can not be met to the mode of heating of electrokinetic cell in electric automobile.
One side according to embodiments of the present invention is there is provided electrokinetic cell heater in a kind of electric automobile, and it is special
Levy and be, the device is used for the electrokinetic cell for heating electric automobile, including：At least a piece of heating plate, heating plate and electrokinetic cell
A side be disposed adjacent, for producing heat to improve the temperature of electrokinetic cell local environment, wherein, heating plate using heat
Conductivity is higher than the material of predetermined threshold value；At least one control circuit, connects one to one with least a piece of heating plate, for controlling
Make whether corresponding heating plate produces heat；Processor, is connected with least one control circuit, refers to for output control respectively
Order controls whether circuit controls corresponding heating plate to produce heat to indicate at least one.
Further, the device also includes：Power supply, for being that at least a piece of heating plate provides voltage source or current source；Electricity
Source switch, be arranged on power supply and at least one control circuit between, for control power supply with least one control circuit turn-on or
Disconnect.
Further, power switch is also connected with processor, for the control instruction conducting that is exported according to processor or
Disconnect.
Further, at least a piece of heating plate includes first heating plate and second heating plate, first heating plate with
First face of electrokinetic cell is disposed adjacent, and second heating plate is disposed adjacent with the second face of electrokinetic cell, wherein, the first face and
Second face is relative face.
Further, at least one control circuit includes：First control circuit, first control circuit and first heating plate
Correspondence connection；Second control circuit, second control circuit connection corresponding with second heating plate, wherein, first control circuit bag
Include：First switch, first switch is used to control first heating plate and the break-make of power supply, and second control circuit includes：Second opens
Close, second switch is used to control second heating plate and the break-make of power supply.
Further, first switch and second switch are transistor switch, and control instruction includes the first level and the second electricity
Flat, processor is connected with first switch and second switch, for first switch the first level of output or second electrical level, and to
Second switch exports the first level or second electrical level.
Further, the device also includes：Temperature sensor, is arranged on the surface or inside of electrokinetic cell, for monitoring
The temperature of electrokinetic cell, wherein, temperature sensor is also connected with processor, for temperature to be sent to processor.
Further, the device also includes：Processor is the battery management unit BMU of electric automobile.
Further, battery management unit BMU is additionally provided with signal receiving end, and battery management unit BMU is used for by letter
Number receiving terminal receives control signal to produce control instruction.
Further, electrokinetic cell is electrically connected with least a piece of heating plate and is connected with battery management unit BMU, is used for
The power supply for receiving battery management unit BMU instructs to provide power supply at least a piece of heating plate.
In embodiments of the present invention, by least a piece of heating plate, heating plate is adjacent with a side of electrokinetic cell to be set
Put, for producing heat to improve the temperature of electrokinetic cell local environment, wherein, heating plate is higher than default threshold using pyroconductivity
The material of value；At least one control circuit, connects one to one with least a piece of heating plate, for controlling corresponding heating plate to be
No generation heat；Processor, is connected with least one control circuit, instructs to indicate at least one for output control respectively
Whether control circuit controls corresponding heating plate to produce heat, solves in correlation technique and electrokinetic cell in electric automobile is added
Hot mode can not meet the technical problem of application request, and then realize the heating need for meeting electrokinetic cell in electric automobile
The technique effect asked.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of electrokinetic cell heater in a kind of optional electric automobile according to embodiments of the present invention；
Fig. 2 is the signal of electrokinetic cell heater in another optional electric automobile according to embodiments of the present invention
Figure.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model that the present invention is protected
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included.
There is provided electrokinetic cell heater in a kind of electric automobile for one side according to embodiments of the present invention.
Fig. 1 is the schematic diagram of electrokinetic cell heater in a kind of optional electric automobile according to embodiments of the present invention,
As shown in figure 1, the device includes：
At least a piece of heating plate, heating plate is disposed adjacent with a side of electrokinetic cell, for producing heat to improve
The temperature of electrokinetic cell local environment, wherein, heating plate is higher than the material of predetermined threshold value using pyroconductivity；At least one control
Circuit, connects one to one with least a piece of heating plate, for controlling whether corresponding heating plate produces heat；Processor, point
It is not connected with least one control circuit, instructs to indicate whether at least one control circuit controls correspondence for output control
Heating plate produce heat.
The embodiment is by least a piece of heating plate, and heating plate is disposed adjacent with a side of electrokinetic cell, for producing
Heat amount to improve the temperature of electrokinetic cell local environment, wherein, heating plate using pyroconductivity be higher than predetermined threshold value material；
At least one control circuit, connects one to one with least a piece of heating plate, for controlling whether corresponding heating plate produces heat
Amount；Processor, is connected with least one control circuit respectively, instructs to indicate at least one control circuit for output control
Whether control corresponding heating plate to produce heat, solve in correlation technique to the mode of heating of electrokinetic cell in electric automobile without
Method meets the technical problem of application request, and then realizes the technology for meeting the demand for heat of electrokinetic cell in electric automobile
Effect.
Preferably, the device also includes：Power supply, for being that at least a piece of heating plate provides voltage source or current source；Power supply
Switch, is arranged between power supply and at least one control circuit, for controlling power supply and at least one control circuit turn-on or disconnected
Open.
Preferably, power switch is also connected with processor, and the control instruction for being exported according to processor leads on-off
Open.
Preferably, at least a piece of heating plate includes first heating plate and second heating plate, and first heating plate is with moving
First face of power battery is disposed adjacent, and second heating plate is disposed adjacent with the second face of electrokinetic cell, wherein, the first face and
Two faces are relative face.
Preferably, at least one control circuit includes：First control circuit, first control circuit and first heating plate pair
It should connect；Second control circuit, second control circuit connection corresponding with second heating plate, wherein, first control circuit includes：
First switch, first switch is used to control first heating plate and the break-make of power supply, and second control circuit includes：Second switch,
Second switch is used to control second heating plate and the break-make of power supply.
Preferably, first switch and second switch are transistor switch, and control instruction includes the first level and second electrical level,
Processor is connected with first switch and second switch, for exporting the first level or second electrical level to first switch, and to the
Two switch the first level of output or second electrical level.
Preferably, the device also includes：Temperature sensor, is arranged on the surface or inside of electrokinetic cell, dynamic for monitoring
The temperature of power battery, wherein, temperature sensor is also connected with processor, for temperature to be sent to processor.
Preferably, the device also includes：Processor is the battery management unit BMU of electric automobile.
Preferably, battery management unit BMU is additionally provided with signal receiving end, and battery management unit BMU is used to pass through signal
Receiving terminal receives control signal to produce control instruction.
Preferably, electrokinetic cell is electrically connected with least a piece of heating plate and is connected with battery management unit BMU, for connecing
The power supply for receiving battery management unit BMU instructs to provide power supply at least a piece of heating plate.
Fig. 2 is the signal of electrokinetic cell heater in another optional electric automobile according to embodiments of the present invention
Figure, the embodiment can as above-described embodiment a preferred embodiment.As shown in Fig. 2 the device includes：Heating plate 1, plus
Backing 2, switch K1, switch K2, switch K0, master control switch K, battery management unit BMU, sensor.
Battery in Fig. 2 is the electrokinetic cell monomer of electric automobile or the series mould set of some battery cells.The He of heating plate 1
2, using the fast heating material of programming rate, can produce amount of heat rapidly, for being heated to battery when by electric current.Master control
Switch K to switch for the master control of battery unit, its break-make is controlled by battery management unit BMU.It is the control that battery charges to switch K0
Switch, its break-make is controlled by battery management unit BMU.The controlling switch that K1 is heating plate 1 is switched, by battery management unit BMU
Control its break-make.The controlling switch that K2 is heating plate 2 is switched, its break-make is controlled by battery management unit BMU.Sensor can be wrapped
Temperature sensor, current sensor and voltage sensor are included, each sensor can be with real time temperature, the electricity of corresponding collection battery
Stream and information of voltage, and BMU is passed to as control strategy basis for estimation.Battery management unit BMU is the controller of battery, is used
In collect battery information and send charging, discharge or thermal control signals.DC+ and DC- is anode and negative lead end
Son, for external charge power supply.CANH and CANL is CAN communication positive pole and negative lead terminal, for connecting battery management
System BMS.12V+ and 12V- is that low pressure accessory power supply connects line terminals, for external accessory power supply.
Wherein, vehicle-mounted electrokinetic cell can be formed by N number of battery units in parallel.By CANH and CANL buses, and
12V+ and 12V- terminals connect battery management system BMS, pass through DC+ and DC- connection external power supplys, i.e. charger.Low pressure is aided in
Power supply is provided by charger.In charging process, it is responsible for charge command being handed down to the BMU of battery unit by BMS, and collects BMU
The information such as temperature, the voltage and current that collection comes up, charged state and charge requirement are sent by CAN to charger.
In the heater provided using the embodiment, the temperature threshold that heating system starts can be set to BMU first
Value T0, switch K0 before battery charge initiation, and K1, K2 is off, when starting charging, and BMU control master control switches K is closed
Close.It is more than T0, closure switch K0 when BMU detects battery ambient temperature by sensor, starts battery charging procedure, to battery
Charged.It is less than or equal to T0 when BMU detects battery ambient temperature by sensor, can be according to cell voltage selection heating energy
Measure supply model.Heat energy supply model includes：External power is heated and battery heating.When cell voltage is less than voltage threshold
U0, starts external power heating mode：Switch K0, closure switch K1 and K2 are disconnected, heating plate 1 and heating plate 2 are heated.When
Cell voltage, which is more than, waits voltage threshold U0, starts battery-heated model：Switch K, closure switch K0, K1 and K2 are disconnected, to heating
Piece 1 and heating plate 2 are heated.BMU monitors battery temperature, voltage and current in real time in charging process, when battery context temperature
When degree reverts to T0, continue to monitor the environment temperature of battery.
Above-mentioned the embodiment of the present application order does not represent the quality of embodiment.
In above-described embodiment of the application, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
In addition, each functional unit in the application each embodiment can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used
When, it can be stored in a computer read/write memory medium.Understood based on such, the technical scheme of the application is substantially
The part contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are to cause a computer
Equipment (can for personal computer, server or network equipment etc.) perform the application each embodiment methods described whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
Described above is only the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. electrokinetic cell heater in a kind of electric automobile, it is characterised in that described device is used to heat the dynamic of electric automobile
Power battery, including：
At least a piece of heating plate, the heating plate is disposed adjacent with a side of the electrokinetic cell, for produce heat with
The temperature of the electrokinetic cell local environment is improved, wherein, the heating plate is higher than the material of predetermined threshold value using pyroconductivity；
At least one control circuit, connects one to one with least a piece of heating plate, for controlling corresponding heating plate to be
No generation heat；
Processor, is connected with least one described control circuit, instructs to indicate described at least one for output control respectively
Whether individual control circuit controls corresponding heating plate to produce heat.
2. device according to claim 1, it is characterised in that also include：
Power supply, for providing voltage source or current source at least a piece of heating plate；
Power switch, be arranged on the power supply and it is described at least one control circuit between, for control the power supply with it is described
At least one control circuit turn-on or disconnection.
3. device according to claim 2, it is characterised in that the power switch is also connected with the processor, is used
It is turned on or off in the control instruction exported according to the processor.
4. device according to claim 2, it is characterised in that at least a piece of heating plate include first heating plate and
Second heating plate, first heating plate is disposed adjacent with the first face of the electrokinetic cell, second heating plate
It is disposed adjacent with the second face of the electrokinetic cell, wherein, first face and second face are relative face.
5. device according to claim 4, it is characterised in that
At least one described control circuit includes：First control circuit, the first control circuit and first heating plate
Correspondence connection；Second control circuit, second control circuit connection corresponding with second heating plate,
Wherein, the first control circuit includes：First switch, the first switch be used for control first heating plate with
The break-make of the power supply,
The second control circuit includes：Second switch, the second switch be used for control second heating plate with it is described
The break-make of power supply.
6. device according to claim 5, it is characterised in that the first switch and the second switch are opened for transistor
Close, the control instruction includes the first level and second electrical level,
The processor is connected with the first switch and the second switch, for first switch output described the
One level or the second electrical level, and export first level or the second electrical level to the second switch.
7. device according to claim 1, it is characterised in that also include：
Temperature sensor, is arranged on the surface or inside of the electrokinetic cell, the temperature for monitoring the electrokinetic cell, its
In, the temperature sensor is also connected with the processor, for the temperature to be sent to the processor.
8. device according to claim 1, it is characterised in that also include：
The processor is the battery management unit BMU of the electric automobile.
9. device according to claim 8, it is characterised in that the battery management unit BMU is additionally provided with signal reception
End, the battery management unit BMU is used to receive control signal to produce the control instruction by the signal receiving end.
10. device according to claim 8, it is characterised in that the electrokinetic cell and at least a piece of heating plate electricity
Connect and be simultaneously connected with the battery management unit BMU, the power supply for receiving the battery management unit BMU is instructed with to institute
State at least a piece of heating plate and power supply is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136607.8A CN107069145B (en) | 2016-12-09 | 2016-12-09 | Power battery heating device in electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136607.8A CN107069145B (en) | 2016-12-09 | 2016-12-09 | Power battery heating device in electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107069145A true CN107069145A (en) | 2017-08-18 |
| CN107069145B CN107069145B (en) | 2020-04-24 |
Family
ID=59619231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611136607.8A Active CN107069145B (en) | 2016-12-09 | 2016-12-09 | Power battery heating device in electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107069145B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2718888A1 (en) * | 1994-04-15 | 1995-10-20 | Schliffer Albert | Heating process for heating motor vehicle battery using electric heating plates fitted to sides of battery |
| US5756227A (en) * | 1994-11-18 | 1998-05-26 | Honda Giken Kogyo Kabushiki Kaisha | Battery assembly with temperature control mechanism |
| CN203932258U (en) * | 2014-05-27 | 2014-11-05 | 江苏奥新新能源汽车有限公司 | A kind of heating of battery system |
| CN105818708A (en) * | 2016-04-21 | 2016-08-03 | 东软集团股份有限公司 | Battery charging system and method |
| CN105870542A (en) * | 2016-06-13 | 2016-08-17 | 重庆长安汽车股份有限公司 | Power battery low-temperature charging heating system |
-
2016
- 2016-12-09 CN CN201611136607.8A patent/CN107069145B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2718888A1 (en) * | 1994-04-15 | 1995-10-20 | Schliffer Albert | Heating process for heating motor vehicle battery using electric heating plates fitted to sides of battery |
| US5756227A (en) * | 1994-11-18 | 1998-05-26 | Honda Giken Kogyo Kabushiki Kaisha | Battery assembly with temperature control mechanism |
| CN203932258U (en) * | 2014-05-27 | 2014-11-05 | 江苏奥新新能源汽车有限公司 | A kind of heating of battery system |
| CN105818708A (en) * | 2016-04-21 | 2016-08-03 | 东软集团股份有限公司 | Battery charging system and method |
| CN105870542A (en) * | 2016-06-13 | 2016-08-17 | 重庆长安汽车股份有限公司 | Power battery low-temperature charging heating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107069145B (en) | 2020-04-24 |
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