CN105870542A - Power battery low-temperature charging heating system - Google Patents
Power battery low-temperature charging heating system Download PDFInfo
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- CN105870542A CN105870542A CN201610414027.4A CN201610414027A CN105870542A CN 105870542 A CN105870542 A CN 105870542A CN 201610414027 A CN201610414027 A CN 201610414027A CN 105870542 A CN105870542 A CN 105870542A
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- Prior art keywords
- heating
- temperature
- electrokinetic cell
- charging
- battery
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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
- H01M10/615—Heating or keeping warm
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a power battery low-temperature charging heating system which comprises a battery managing system, a power battery module, a heating power source, a heating assembly, a heating relay and an information collection device. The battery managing system, the heating relay and an information managing system form a control loop of the heating system. The heating assembly, the heating relay, the information collection device and the heating power source are in hard connection through a wire harness or a copper bar to form a heating loop of the heating system. The heating assembly can provide heat for the power battery module for heating when the power battery module is in a low-temperature environment. The battery managing system accurately adjusts the heating power of the heating assembly according to current, voltage, temperature and other information collected by the information collection device, the internal environment temperature of a power battery is rapidly improved, it is ensured that the power battery module is evenly heated, and the effect of lowering the temperature difference of the power battery module and parts is achieved, so that the performance of the power battery is improved, and the cycle life of the power battery is prolonged.
Description
Technical field
The present invention relates to electrokinetic cell and add thermal management technology field, fill particularly to a kind of electrokinetic cell low temperature
Electric heating system.
Background technology
Electrokinetic cell is the power supply in powered tools source, refer to be electric automobile, electric train,
Electric bicycle, golf cart provide the battery of power.Electrokinetic cell is as the master of new-energy automobile
Wanting power source, it is the harshest to the requirement of operating ambient temperature, for meeting normally making of nationwide
With, electrokinetic cell operating ambient temperature typically requires as-30 DEG C 60 DEG C.Affected by battery own material,
Electrokinetic cell particularly lithium ion battery, when environment temperature is in 0 DEG C 5 DEG C, fills under electrokinetic cell low temperature
Power is more weak, and internal charging resistance is excessive, and charge power is low；When electrokinetic cell environment temperature is in less than 0 DEG C
Time, electrokinetic cell only allows weak current charging even not allow charging, and charging can cause power electric by force
There is abnormal response in pond, may result in electrokinetic cell analysis lithium, there is on fire, the blast of electrokinetic cell etc. time serious
Safety problem.
For realizing the low temperature charging ability of electrokinetic cell assembly, prior art is generally divided into two kinds: Yi Zhongshi
Use the air-conditioning system of car load, when battery ambient temperature is relatively low, start air-conditioning system, promote in battery
The environment temperature in portion；Another kind is increase insulation material bottom electrokinetic cell, it is ensured that electrokinetic cell is all the time
Belong to optimum working temperature scope.
Two kinds of methods improve the low temperature charging ability of electrokinetic cell to a certain extent, but owing to battery is tied
Structure and space limit, and battery heating and insulation reality all exist dead angle, and Long-Time Service can cause battery module
And the increasing of the temperature difference of other parts, reduce performance and the cycle life of electrokinetic cell.
Summary of the invention
In view of this, the present invention provides a kind of electrokinetic cell low-temperature charging heating system, to solve existing skill
Present in art, battery module and other parts temperature difference are relatively big, reduce performance and the circulation longevity of electrokinetic cell
The problem of life.
For achieving the above object, the present invention provides following technical scheme:
A kind of electrokinetic cell low-temperature charging heating system, including:
Electrokinetic cell module, described electrokinetic cell module includes multiple cell；
Heating power supply, described heating power supply provides electric energy for described electrokinetic cell low-temperature charging heating system；
Heating assembly, is used for heating described cell, and described heating assembly forms with described heating power supply
Heating circuit；
Add electrothermal relay, be series in described heating circuit, and connect battery management system by CAN
System；
Information collecting device, connects battery management system by CAN, is used for gathering described heating and returns
Electric current, the voltage of described cell pole and the temperature on described cell pole surface in road；
Battery management system, electric current that described battery management system gathers according to described information collecting device,
The described electrothermal relay that adds is controlled by voltage and temperature, when described electrokinetic cell module is in low temperature environment
Time, add electrothermal relay described in Guan Bi, to turn on described heating circuit, make described heating assembly to described list
Body battery heats；When the temperature of described electrokinetic cell module is in its operating temperature, open described
Add electrothermal relay, disconnect described heating circuit, stop the heating to described cell of the described heating assembly.
Preferably, described electrokinetic cell low-temperature charging heating system also includes that heating insurance, described heating are protected
Danger is series in described heating circuit.
Preferably, the battery core heat-conducting plate of described electrokinetic cell module is close to by described heating assembly.
Preferably, described heating assembly is PTC heating plate.
Preferably, described PTC heating plate is fixed on the electricity of described electrokinetic cell module by PTC fixed support
Core heat-conducting plate surface.
Preferably, described information collecting device includes current sensor, voltage sensor and temperature sensor；
Wherein said current sensor is for gathering the electric current in described heating circuit；Described voltage sensor is used for
Gather the voltage of described cell pole；Described temperature sensor is used for gathering described cell pole
The temperature on surface.
Preferably, described heating power supply is Vehicular charger, and described heating assembly is by connecting vehicle-mounted charge
The charging inlet of machine, forms heating circuit with described Vehicular charger.
Preferably, the charging inlet of described Vehicular charger is direct-current charging interface or alternating-current charging interface.
Understand via above-mentioned technical scheme, the electrokinetic cell low-temperature charging heating system that the present invention provides,
Including battery management system, electrokinetic cell module, heating power supply, heating assembly, add electrothermal relay and letter
Breath collecting device, battery management system, add electrothermal relay and information management system composition heating system control
Loop processed；Heat assembly, add electrothermal relay, information collecting device and heating power supply by wire harness or copper bar
Realize hard link, the heating circuit of composition heating system.Described battery management system is set by information gathering
The information such as standby electric current, voltage and the temperature gathered, the many item data according to obtaining accurately adjust heating assembly
Heating power, make heating assembly when electrokinetic cell is in lower temperature environments, to described electrokinetic cell
Module heats, and quickly improves electrokinetic cell interior environment temperature, it is ensured that electrokinetic cell module is heated all
Even, reduce electrokinetic cell module and the effect of the parts temperature difference, thus improve the property of electrokinetic cell
Energy and cycle life.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The electrokinetic cell low-temperature charging heating system schematic that Fig. 1 provides for the present invention；
The electrokinetic cell module that Fig. 2 provides for the embodiment of the present invention and PTC heating plate assembling process schematic diagram；
The electrokinetic cell module that Fig. 3 provides for the embodiment of the present invention assembles result schematic diagram with PTC heating plate；
Fig. 4 is the embodiment of the present invention preferred electrokinetic cell low-temperature charging heating system schematic.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Inventor finds, two kinds of methods of the prior art improve electrokinetic cell the most to a certain extent
Low temperature charging ability, but wherein use the mode of air-conditioning system, owing to using air-conditioning system heating, battery
Casing has air inlet and air outlet, when wind enters air inlet, owing to inertia wind can be toward the rear end electricity of air inlet
Pond (end-cell, is referred to as rear end battery away from air inlet battery before air inlet battery is referred to as) is walked,
In the case of flow is constant, when captured area more hour, its flow velocity is the biggest, and the heat taken away is the most.
And air outlet battery temperature is bigger than air inlet battery temperature, there is heat history, so, equal for ensureing temperature field
Even, typically heat management system is designed to the V-arrangement that the gap, air channel from air inlet to air outlet is gradually reduced.
But being limited by electrokinetic cell space, be difficulty with V-arrangement, the measure of streaming arranges unreasonable meeting and causes flow field uneven,
Thus there is the dead angle of heat management；And bottom electrokinetic cell, increase the mode of insulation material, owing to only existing
Battery bottom increases insulation material, and battery both sides directly contact with air, and battery both sides fail to realize insulation,
The integral heat insulation effect of electrokinetic cell is relatively low, there is also the dead angle of heat management.
Based on this, the embodiment of the present invention provides a kind of electrokinetic cell low-temperature charging heating system, such as Fig. 1 institute
Show, including: battery management system 1, electrokinetic cell module (not shown), heating assembly 2, add
Thermoelectric generator 3, add electrothermal relay 4 and information collecting device 5.Wherein, battery management system 1 continues with heating
Electrical equipment 4 is connected by CAN, and battery management system 1 and information collecting device 5 are total by CAN
Line is connected, and battery management system 1, adds electrothermal relay 4 and information management system 5 forms the control of heating system
Loop processed.Heating assembly 2, add electrothermal relay 4, information collecting device 5 and heating power supply 3 and pass through wire harness
Or copper bar realizes hard link, the heating circuit of composition heating system.
Battery management system 1 (Battery Management System is called for short BMS) is to connect vehicle-mounted moving
Power battery and the important tie of electric automobile, its major function includes: battery physical parameter is monitored in real time；
Battery status is estimated；Inline diagnosis and early warning；Charge and discharge control with preliminary filling；Balanced management and heat management
Deng, the present invention relates generally to the heat management function of described battery management system.Described battery management system
The described electrothermal relay that adds is controlled by electric current, voltage and the temperature according to information collecting device collection, when
When described electrokinetic cell module is in low temperature (0 DEG C and less than 0 DEG C) environment, described in Guan Bi, add electrothermal relay,
To turn on heating circuit, make described heating assembly that described cell to be heated；When described power electric
When the temperature of pond module is in its operating temperature, open described in add electrothermal relay, disconnect described heating circuit,
Stop the heating to described cell of the described heating assembly.In heating process, BMS passes through information gathering
Equipment Inspection electrokinetic cell module gathers corresponding information, monitors heating circuit duty, and controls to add
Thermal power, it is ensured that electrokinetic cell is in optimal operating temperature range.
Electrokinetic cell module includes multiple cell, and described electrokinetic cell module can be by multiple monomers electricity
Pond is composed in series；Can also be composed in parallel by multiple cells；Can also be mutual by multiple cells
After series connection formation group, then it is serially connected the group of formation with multiple cells and is formed in parallel, this enforcement
In example, the combining form of cell is not limited.
Heating assembly 2 is for the cell of heated power battery modules, heating assembly 2 and heating power supply 3
Composition heating circuit, heating power supply 3 provides electric energy for described electrokinetic cell low-temperature charging heating system.This
In embodiment, heating power supply 3 is preferably Vehicular charger, in other embodiments of the invention, adds thermoelectricity
Source 3 can also for other can to heating system provide electric energy device.When described heating power supply is vehicle-mounted
During charger, described heating assembly is by connecting the charging inlet of Vehicular charger, with described vehicle-mounted charge
Machine composition heating circuit.The charging inlet of described Vehicular charger preferably direct-current charging interface or exchange are filled
Electrical interface.It should be noted that described heating assembly can be heating plate or heating plate, the present embodiment pair
This does not limits.Preferably, heating assembly in the present embodiment is PTC heating plate, wherein, and PTC (Positive
Temperature Coefficient, thermistor) it is a kind of typical case semiconductor resistor with temperature sensitivity,
When exceeding certain temperature (Curie temperature), its resistance value raises increasing in step evolution along with temperature.
As in figure 2 it is shown, PTC heating plate 21 is led to PTC fixed support 22 and is arranged on electrokinetic cell in the present embodiment
On module 23, Fig. 3 is for installing composition result schematic diagram.Wherein electrokinetic cell module 23 is by multiple cells
Connection in series-parallel forms, in the side of electrokinetic cell module, generally near the outside of electrokinetic cell casing, if
Being equipped with battery core heat-conducting plate, heat can be disperseed to different cells by described heat-conducting plate.The present embodiment
Middle PTC heating plate 21 directly contacts with described heat-conducting plate, thus after heating system starts, PTC heating plate
The heat of generation can be passed to cell by heat-conducting plate by 21, it is achieved the heating to battery modules.
Generally, electrokinetic cell module is not in the case of having heating system, outside battery modules casing
The temperature of side compared with the temperature low 5-8 degree at battery modules casing center about, the present embodiment is heated by PTC
Electrokinetic cell module 23 is heated by plate 21, it is possible to increase electrokinetic cell surface and internal temperature, from
And reduce the temperature difference between electrokinetic cell module and its parts.
Add electrothermal relay 4 for controlling being turned on or off of described heating circuit, add electrothermal relay 4 and pass through
CAN connects described battery management system 1.When the temperature of electrokinetic cell module is relatively low, need heating
Time, add electrothermal relay 4 and close, turn on heating circuit, heat assembly 2 heated power battery modules, when
Electrokinetic cell module is through preheating, when reaching the optimum working temperature scope of electrokinetic cell module, and heating
Relay 4 is opened, and disconnects described heating circuit, stops heating electrokinetic cell module.
The electrokinetic cell low-temperature charging heating system that the present invention provides also includes information collecting device 5, and information is adopted
Collection equipment 5 connects described battery management system 1 by CAN, is used for gathering in described heating circuit
Electric current, the voltage of described cell pole and the temperature on described cell pole surface.Information
Collecting device 5 is integrated in described battery management system 1, and is connected to need collected letter by lead-in wire
On the equipment of breath or device, such as, in the present embodiment, information collecting device includes current sensor, voltage
Sensor and temperature sensor.The lead-in wire of described current sensor is connected in described heating circuit, is used for
Gather the electric current in heating circuit, the present embodiment does not limit described current sensor and goes between at heating circuit
In particular location, if the electric current being capable of detecting when in described heating circuit.Described voltage sensor
The lead-in wire of device is connected on the both positive and negative polarity pole of cell, for gathering the voltage of cell pole.
The lead-in wire of described temperature sensor is also connected on cell pole, is used for gathering cell pole table
The temperature in face.
It should be noted that the master that information collecting device can be also used for gathering envelope electrokinetic cell module returns
The electric current on road.Owing in the present embodiment, the acquisition mode of information collecting device is only adopted compared in prior art
The reliability of the acquisition mode of collection electrokinetic cell module surface temperature is higher, by environment and electric automobile car body
The impact of vibratory impulse is less, therefore, it is possible to more accurately gather electrokinetic cell module add thermocurrent and
The temperature of cell and information of voltage, it is provided that more accurate to the data of battery management system so that electricity
The heating power of heating assembly is controlled more accurate by pond management system, thus ensure that electrokinetic cell module
Constant temperature rise rate, reduce the temperature difference between power battery module and its parts.
Simultaneously as during information collecting device collecting temperature information, temperature sensor measurement is power electric
The both positive and negative polarity pole of pond module monomer battery, the temperature of both positive and negative polarity pole is relative to the temperature on cell surface
Degree more can embody the temperature within electrokinetic cell, when heating assembly and heating electrokinetic cell, it is possible to accurately
Obtain the temperature within electrokinetic cell, prevent power battery module internal temperature too high, and then reduce power
The too high infringement that electrokinetic cell module is caused of battery module internal temperature.
When electric automobile is in low temperature (0 DEG C and less than 0 DEG C) environment, electrokinetic cell carries out low temperature and fills
Electricity, by the material behavior of lithium ion battery itself, electrokinetic cell does not allows to be charged, accordingly, it would be desirable to
Electrokinetic cell is preheated by electrokinetic cell low-temperature charging heating system in advance that provide in the present embodiment.Tool
Body process is:
It is 0 DEG C or less than 0 DEG C that information collecting device monitors the temperature of electrokinetic cell module, is passed through by signal
CAN is transferred to battery management system, and battery management system sends instructions to add by CAN
Electrothermal relay, adds electrothermal relay Guan Bi, and turn on the power battery low-temperature charging heating system.Vehicular charger
Heating power supply is provided for heating system by the charging inlet of Vehicular charger.Heating circuit turns on, heating
Assembly starts to heat for electrokinetic cell module.In heating process, information collecting device Real-time Collection
Electric current, the voltage of cell pole and the temperature on cell pole surface in heating circuit, and
By CAN, the information collected is fed back to battery management system, and battery management system is according to information
The information that collecting device gathers, adjusts the electric current in heating circuit, it is ensured that electrokinetic cell module has constant
Temperature rise rate, thus ensure that electrokinetic cell module thermally equivalent, reduce electrokinetic cell module and its
Temperature difference between parts, improves performance and the cycle life of electrokinetic cell.
When information collecting device monitors the environment temperature of electrokinetic cell module, to reach electrokinetic cell module suitable
During the temperature charged, by CAN, signal being transferred to battery management system, battery management system leads to
Cross CAN to send instructions to add electrothermal relay, described in add electrothermal relay and disconnect, thus by heating circuit
Disconnecting, the preheating of electrokinetic cell module terminates.Now, electrokinetic cell module starts charging.
Above it can be seen that the present embodiment provide electrokinetic cell low-temperature charging heating system, including battery
Management system, electrokinetic cell module, heating power supply, heating assembly, add electrothermal relay and information gathering sets
Standby, the information such as electric current, voltage and temperature that described battery management system is gathered by information collecting device,
Accurately adjust the heating power of heating assembly according to the many item data collected, be at electrokinetic cell relatively low
During temperature environment, described electrokinetic cell module is heated, quickly improve electrokinetic cell internal environment temperature
Degree, it is ensured that electrokinetic cell module is heated evenly, and reduces electrokinetic cell module and the effect of the parts temperature difference
Really, thus improve performance and the cycle life of electrokinetic cell.
An alternative embodiment of the invention provides a kind of electrokinetic cell low-temperature charging heating system, such as Fig. 4 institute
Show, including: battery management system 1, electrokinetic cell module (not shown), heating assembly 2, add
Thermoelectric generator 3, add electrothermal relay 4, information collecting device 5 and heating insurance 6.
Wherein, battery management system 1 is connected by CAN with adding electrothermal relay 4, battery management system
System 1 is connected by CAN with information collecting device 5, battery management system 1, adds electrothermal relay 4
With the control loop that information management system 5 forms heating system.And heat assembly 2, heating power supply 3, add
Electrothermal relay 4, information collecting device 5 and heating insurance 6 realize hard link, composition by wire harness or copper bar
The heating circuit of heating system.
Wherein, heating power supply 3 is preferably Vehicular charger, and heating assembly 2 is by connecting Vehicular charger
Charging inlet, with described Vehicular charger form heating circuit.The charging inlet of described Vehicular charger
It is preferably direct-current charging interface or alternating-current charging interface.
Heating insurance is connected in heating circuit, in case of emergency, disconnects heating circuit.Heating
Insurance is in normally closed state, the electric current in information collecting device monitors heating circuit and power electric
The temperature anomaly in pond, adds thermocurrent and time heating-up temperature exceedes the ability to bear of heating system, information is passed
Being defeated by battery management system, battery management system promptly sends command request and adds electrothermal relay disconnection, closes
Heating system；Heating insurance then plays protection heating circuit cable and the effect of PTC heating plate, when heating system
System is short-circuited and during other abnormal conditions, heating insurance fusing in time, it is ensured that heating system and power electric
Pond disconnects in time, thus ensures high-voltage safety.It should be noted that described heating insurance is connected on heating
In loop, in the present embodiment, the particular location to described heating insurance does not limits, as long as can play disconnected
Open the effect of heating circuit.
The heating system that the present embodiment provides includes battery management system, heating assembly, heating insurance and letter
Breath collecting device, described heating assembly can be when electrokinetic cell module be in low temperature environment, to power electric
Pond module provides heat to heat；Described information collecting device can accurate acquisition heating circuit electric current,
The voltage of cell pole and the temperature on cell pole surface, it is provided that to battery management system,
Battery management system is made to more precisely control the temperature rise rate of electrokinetic cell module, so that electrokinetic cell
Module is heated evenly, and reduces the temperature difference between power battery module and its parts；Heating insurance can be
When short circuit and other abnormal conditions occurs in heating system, fuse in time, to heating system and electrokinetic cell mould
Group plays a protective role.
It should be noted that each embodiment in this specification all uses the mode gone forward one by one to describe, each
What embodiment stressed is all the difference with other embodiments, identical similar between each embodiment
Part see mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (8)
1. an electrokinetic cell low-temperature charging heating system, it is characterised in that including:
Electrokinetic cell module, described electrokinetic cell module includes multiple cell；
Heating power supply, described heating power supply provides electric energy for described electrokinetic cell low-temperature charging heating system；
Heating assembly, is used for heating described cell, and described heating assembly forms with described heating power supply
Heating circuit；
Add electrothermal relay, be series in described heating circuit, and connect battery management system by CAN
System；
Information collecting device, connects battery management system by CAN, is used for gathering described heating and returns
Electric current, the voltage of described cell pole and the temperature on described cell pole surface in road；
Battery management system, electric current that described battery management system gathers according to described information collecting device,
The described electrothermal relay that adds is controlled by voltage and temperature, when described electrokinetic cell module is in low temperature environment
Time, add electrothermal relay described in Guan Bi, to turn on described heating circuit, make described heating assembly to described list
Body battery heats；When the temperature of described electrokinetic cell module is in its operating temperature, open described
Add electrothermal relay, disconnect described heating circuit, stop the heating to described cell of the described heating assembly.
Electrokinetic cell low-temperature charging heating system the most according to claim 1, it is characterised in that also
Including heating insurance, described heating insurance is series in described heating circuit.
Electrokinetic cell low-temperature charging heating system the most according to claim 1, it is characterised in that institute
State heating assembly and be close to the battery core heat-conducting plate of described electrokinetic cell module.
Electrokinetic cell low-temperature charging heating system the most according to claim 3, it is characterised in that institute
Stating heating assembly is PTC heating plate.
Electrokinetic cell low-temperature charging heating system the most according to claim 4, it is characterised in that institute
State PTC heating plate and be fixed on the battery core heat-conducting plate table of described electrokinetic cell module by PTC fixed support
Face.
Electrokinetic cell low-temperature charging heating system the most according to claim 1, it is characterised in that institute
State information collecting device and include current sensor, voltage sensor and temperature sensor；Wherein said electric current
Sensor is for gathering the electric current in described heating circuit；Described voltage sensor is used for gathering described monomer
The voltage of battery electrode column；Described temperature sensor is for gathering the temperature on described cell pole surface.
Electrokinetic cell low-temperature charging heating system the most according to claim 1, it is characterised in that institute
Stating heating power supply is Vehicular charger, described heating assembly by connect Vehicular charger charging inlet,
Heating circuit is formed with described Vehicular charger.
Electrokinetic cell low-temperature charging heating system the most according to claim 7, it is characterised in that institute
The charging inlet stating Vehicular charger is direct-current charging interface or alternating-current charging interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610414027.4A CN105870542A (en) | 2016-06-13 | 2016-06-13 | Power battery low-temperature charging heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414027.4A CN105870542A (en) | 2016-06-13 | 2016-06-13 | Power battery low-temperature charging heating system |
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Cited By (17)
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|---|---|---|---|---|
| CN106711550A (en) * | 2016-12-28 | 2017-05-24 | 深圳天珑无线科技有限公司 | Self-heating battery and terminal equipment |
| CN106786883A (en) * | 2016-12-22 | 2017-05-31 | 雅迪科技集团有限公司 | A kind of electrokinetic cell charge-discharge control system based on SOC |
| CN106785114A (en) * | 2016-12-21 | 2017-05-31 | 常州普莱德新能源电池科技有限公司 | A kind of analog analysing method and system for determining heater power density |
| CN106876806A (en) * | 2017-01-25 | 2017-06-20 | 浙江超威创元实业有限公司 | The heater of lithium ion battery voltage can be gathered |
| CN106941201A (en) * | 2017-02-22 | 2017-07-11 | 广东文轩热能科技股份有限公司 | A kind of electrokinetic cell preheating device and method applied to new-energy automobile |
| CN107069145A (en) * | 2016-12-09 | 2017-08-18 | 国网北京市电力公司 | Electrokinetic cell heater in electric automobile |
| CN107342445A (en) * | 2017-02-22 | 2017-11-10 | 广东文轩热能科技股份有限公司 | A kind of new energy car battery preheating device and method |
| CN108365279A (en) * | 2018-02-02 | 2018-08-03 | 合肥国轩高科动力能源有限公司 | A kind of regulating device and adjusting method automatically adjusting distribution electric current based on PTC |
| CN109216830A (en) * | 2018-08-09 | 2019-01-15 | 浙江新创能源有限公司 | A kind of power battery and its heating means |
| CN109301399A (en) * | 2018-09-30 | 2019-02-01 | 桑顿新能源科技有限公司 | A kind of multiple branch circuit region-type electrokinetic cell system heating means and system |
| CN110444825A (en) * | 2019-06-28 | 2019-11-12 | 恒大新能源科技集团有限公司 | A kind of battery heating device and its charge control method, battery pack and vehicle |
| CN110649350A (en) * | 2019-09-30 | 2020-01-03 | 江西优特汽车技术有限公司 | Heating system for power battery |
| CN110767958A (en) * | 2019-10-23 | 2020-02-07 | 合肥国轩高科动力能源有限公司 | Method for controlling temperature difference by heating power battery |
| CN111092182A (en) * | 2019-12-30 | 2020-05-01 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Power battery system and car of samming heating |
| CN111934038A (en) * | 2020-07-29 | 2020-11-13 | 厦门金龙旅行车有限公司 | Battery heating device and heating method |
| CN112186306A (en) * | 2020-10-13 | 2021-01-05 | 湖北亿纬动力有限公司 | Heating method and heating device of battery system |
| CN113097603A (en) * | 2021-04-02 | 2021-07-09 | 云度新能源汽车有限公司 | Variable-power low-temperature heating system with temperature protection function and method |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069145A (en) * | 2016-12-09 | 2017-08-18 | 国网北京市电力公司 | Electrokinetic cell heater in electric automobile |
| CN107069145B (en) * | 2016-12-09 | 2020-04-24 | 国网北京市电力公司 | Power battery heating device in electric automobile |
| CN106785114B (en) * | 2016-12-21 | 2019-04-09 | 常州普莱德新能源电池科技有限公司 | A kind of analog analysing method and system of determining heating device power density |
| CN106785114A (en) * | 2016-12-21 | 2017-05-31 | 常州普莱德新能源电池科技有限公司 | A kind of analog analysing method and system for determining heater power density |
| CN106786883A (en) * | 2016-12-22 | 2017-05-31 | 雅迪科技集团有限公司 | A kind of electrokinetic cell charge-discharge control system based on SOC |
| CN106711550A (en) * | 2016-12-28 | 2017-05-24 | 深圳天珑无线科技有限公司 | Self-heating battery and terminal equipment |
| CN106876806A (en) * | 2017-01-25 | 2017-06-20 | 浙江超威创元实业有限公司 | The heater of lithium ion battery voltage can be gathered |
| CN107342445A (en) * | 2017-02-22 | 2017-11-10 | 广东文轩热能科技股份有限公司 | A kind of new energy car battery preheating device and method |
| CN106941201A (en) * | 2017-02-22 | 2017-07-11 | 广东文轩热能科技股份有限公司 | A kind of electrokinetic cell preheating device and method applied to new-energy automobile |
| CN108365279A (en) * | 2018-02-02 | 2018-08-03 | 合肥国轩高科动力能源有限公司 | A kind of regulating device and adjusting method automatically adjusting distribution electric current based on PTC |
| CN108365279B (en) * | 2018-02-02 | 2020-05-22 | 合肥国轩高科动力能源有限公司 | Adjusting device and adjusting method for automatically adjusting distributed current based on PTC |
| CN109216830A (en) * | 2018-08-09 | 2019-01-15 | 浙江新创能源有限公司 | A kind of power battery and its heating means |
| CN109301399A (en) * | 2018-09-30 | 2019-02-01 | 桑顿新能源科技有限公司 | A kind of multiple branch circuit region-type electrokinetic cell system heating means and system |
| CN110444825A (en) * | 2019-06-28 | 2019-11-12 | 恒大新能源科技集团有限公司 | A kind of battery heating device and its charge control method, battery pack and vehicle |
| CN110649350A (en) * | 2019-09-30 | 2020-01-03 | 江西优特汽车技术有限公司 | Heating system for power battery |
| CN110767958A (en) * | 2019-10-23 | 2020-02-07 | 合肥国轩高科动力能源有限公司 | Method for controlling temperature difference by heating power battery |
| CN110767958B (en) * | 2019-10-23 | 2021-02-09 | 合肥国轩高科动力能源有限公司 | Method for controlling temperature difference by heating power battery |
| CN111092182A (en) * | 2019-12-30 | 2020-05-01 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Power battery system and car of samming heating |
| CN111092182B (en) * | 2019-12-30 | 2022-09-06 | 福建省汽车工业集团云度新能源汽车股份有限公司 | Power battery system and car of samming heating |
| CN111934038A (en) * | 2020-07-29 | 2020-11-13 | 厦门金龙旅行车有限公司 | Battery heating device and heating method |
| CN111934038B (en) * | 2020-07-29 | 2021-08-24 | 厦门金龙旅行车有限公司 | Battery heating device and heating method |
| CN112186306A (en) * | 2020-10-13 | 2021-01-05 | 湖北亿纬动力有限公司 | Heating method and heating device of battery system |
| CN112186306B (en) * | 2020-10-13 | 2022-05-17 | 湖北亿纬动力有限公司 | Heating method and heating device of battery system |
| CN113097603A (en) * | 2021-04-02 | 2021-07-09 | 云度新能源汽车有限公司 | Variable-power low-temperature heating system with temperature protection function and method |
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