CN107512180A - A kind of electrokinetic cell system and the control method for the system - Google Patents
A kind of electrokinetic cell system and the control method for the system Download PDFInfo
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- CN107512180A CN107512180A CN201610423604.6A CN201610423604A CN107512180A CN 107512180 A CN107512180 A CN 107512180A CN 201610423604 A CN201610423604 A CN 201610423604A CN 107512180 A CN107512180 A CN 107512180A
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- branch road
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- 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
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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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—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
- 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
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
A kind of control method the invention discloses electrokinetic cell system and for the system, the system include battery branch road, heating branch road and cell system controller；The battery branch road includes electrokinetic cell and at least one battery branch road on-off control unit connected with electrokinetic cell；The heating branch road includes heating unit and at least one heating branch road on-off control unit connected with heating unit；The cell system controller can control the break-make of the battery branch road on-off control unit and the heating branch road on-off control unit, select the energy source outside the electrokinetic cell or the electrokinetic cell to drive the heating unit in predefined conditions, the electrokinetic cell is heated.
Description
Technical field
The present invention relates to new energy sources for automobile technical field, and in particular to the electrokinetic cell system of automobile and for the system
Control method.
Background technology
Current lithium battery is widely used in electric car industry.With the progressively popularization that electric automobile is applied, electricity
The environment of electrical automobile operation also becomes increasingly complex, and the demand for carrying out discharge and recharge at low temperature is also more urgent.Due to battery itself
Temperature characterisitic, cause its charge-discharge electric power deficiency at low ambient temperatures, have a strong impact on the performance of battery system.
At present, solve the problems, such as that the most commonly seen scheme of battery low temperature charging is to be given merely with charger as energy source
Battery system heats, and battery system is reached the temperature that can be charged.But for various reasons, charger as energy source,
Energy source is single, and many matching problems be present causes heating process to fail, it is most important that if vehicle is in operation shape
State can not be heated so that it is operated in unfavorable temperature to battery, then can not play battery charging and discharging performance.Also, due to
Battery is under low temperature environment and is unable to feedback vehicle braking energy, result in very big energy waste.
In addition, battery system also has to sufficiently consider in terms of the security of heating.
In view of above mentioned problem, it is necessary to design it is a kind of can rational and efficient use battery itself or charger, feedback motor,
The electrokinetic cell system that other onboard power systems heat as energy source to battery, battery is set to be in suitable temperature to obtain
Charge-discharge electric power is optimized, in the dynamic property and vehicle economy and electricity for solving to improve battery while low temperature environment charging is difficult
The security of cell system.
The content of the invention
A kind of control method it is an object of the invention to provide electrokinetic cell system and for the system, it is existing to solve
There are one or more problems in technology.
In one aspect of the invention, there is provided a kind of electrokinetic cell system, the electrokinetic cell system include battery branch road,
Heat branch road and cell system controller；
The battery branch road includes electrokinetic cell and at least one battery branch road break-make connected with electrokinetic cell control
Unit；
The heating branch road includes heating unit and at least one heating branch road break-make connected with heating unit control
Unit；
The cell system controller can control the battery branch road on-off control unit and the heating branch road break-make
The break-make of control unit, select in predefined conditions described in the energy source driving outside the electrokinetic cell or the electrokinetic cell
Heating unit, the electrokinetic cell is heated.
Further, the heating branch road can be with the battery branch circuit parallel connection.
Further, the electrokinetic cell system may also include electrokinetic cell input and output circuit and input/output port,
Battery input and output on-off control unit is provided with the electrokinetic cell input and output circuit, the cell system controller exists
The electrokinetic cell controls the battery input and output on-off control unit to disconnect when being heated.
Further, at least one heating branch road on-off control unit is to be respectively placed in the heating unit both ends
First heating branch road on-off control unit and the second heating branch road on-off control unit, the first heating branch road break-make control are single
Each in first and described second heating branch road on-off control unit is switch, it is therefore preferable to high frequency or low frequency switch.It is preferred that
, HF switch can be MOSFET or IGBT；Preferably, low frequency switch can be relay.
Further, the heating branch road also includes current measuring unit, and described add is flowed through in current measuring unit monitoring
The electric current of hot cell and send measurement result to the cell system controller, the cell system controller is according to
Measurement result come control it is described heating branch road on-off control unit.
Further, the heating branch road on-off control unit includes low-voltage driving circuit, and the heating branch road also wraps
Include low pressure temperature detect switch (TDS), with the temperature of heating unit or electrokinetic cell exceed predetermined value in the case of disconnect the heating automatically
The low-voltage driving circuit of branch road on-off control unit, to disconnect the heating branch road on-off control unit.
The invention also provides a kind of control method for previous power battery system, this method comprises the following steps：
Determine whether the electrokinetic cell meets heating condition；
Heating stepses, in the case where meeting heating condition, close it is described heating branch road on-off control unit, and close or
The battery branch road on-off control unit is disconnected, to select the energy source outside the electrokinetic cell or the electrokinetic cell to drive
The heating unit is moved, the electrokinetic cell is heated.
Preferably, methods described may also include：Determine that the battery branch road and the heating branch road whether there is failure；Institute
Heating stepses are stated to perform in the case of it is determined that failure is not present in the battery branch road and the heating branch road.
Preferably, when driving the heating unit using the electrokinetic cell, control the input of the electrokinetic cell defeated
Exit port does not have High voltage output.
Preferably, when the energy source outside using the electrokinetic cell carries out being heated to predetermined temperature to battery, closure
The battery branch road on-off control unit, is charged using the energy source to battery, and controls the defeated of the electrokinetic cell
Entering output port does not have High voltage output.
Preferably, in the heating process of the heating unit, according to the electric current for flowing through the heating unit, the heating
The temperature of unit or the temperature of the electrokinetic cell control the break-make of the heating branch road.
The present invention electrokinetic cell system can use multiple kinds of energy source (such as battery itself or charger, feedback motor,
Other onboard power systems etc.) heated to electrokinetic cell system, more complicated operating mode is adapted to, and improving the dynamic of battery
The security of battery system is improved while power and vehicle economy.
It will be appreciated by those skilled in the art that it is specific to be not limited to the above with the objects and advantages that the present invention realizes
It is described, and according to the above and other purpose described further below that the present invention will be more clearly understood and can realize.
It should be appreciated that foregoing description substantially and follow-up description in detail are exemplary illustration and explanation, should not
As the limitation to the claimed content of the present invention.
Brief description of the drawings
With reference to the accompanying drawing enclosed, the present invention more purpose, function and advantages will pass through the as follows of embodiment of the present invention
Description is illustrated, in the accompanying drawings：
Fig. 1 is the schematic diagram according to one embodiment of electrokinetic cell system of the present invention；
Fig. 2 is the schematic diagram according to another embodiment of electrokinetic cell system of the present invention；
Fig. 3 is the schematic diagram according to another embodiment of electrokinetic cell system of the present invention；
Fig. 4 is the schematic diagram according to another embodiment of electrokinetic cell system of the present invention；
Fig. 5 is the schematic diagram according to another embodiment of electrokinetic cell system of the present invention；
Fig. 6 is the schematic diagram according to another embodiment of electrokinetic cell system of the present invention；And
Fig. 7 is the exemplary process diagram for the control method of the electrokinetic cell system of the present invention.
Description of reference numerals：
110：Electrokinetic cell system；120：Heat branch road on-off control unit；
130：Cell system controller；140：Heating unit；150：Heat branch road；
160：Battery branch road on-off control unit；170：Battery branch road；180：Electrokinetic cell；
190：I/O mouth；
210：Electrokinetic cell system；221：Heat branch road on-off control unit；
231：Low pressure temperature detect switch (TDS)；230：Cell system controller；240：Heating unit；
222：Thermal cutoff device；250：Heat branch road；261：Battery branch road on-off control unit；
262：Battery input and output on-off control unit；270：Battery branch road；
280：Electrokinetic cell；290：Electrokinetic cell input/output port；
310：Electrokinetic cell system；321：Heat branch road on-off control unit；
331：Low pressure temperature detect switch (TDS)；330：Cell system controller；340：Heating unit；
322：Thermal cutoff device；350：Heat branch road；361：Battery branch road on-off control unit；
362：Battery input and output on-off control unit；370：Battery branch road；
380：Electrokinetic cell；391：Electrokinetic cell input/output port；
392：Exterior source of energy input port；
410：Electrokinetic cell system；421：First heating branch road on-off control unit；
431：Low pressure temperature detect switch (TDS)；430：Cell system controller；440：Heating unit；
422：Thermal cutoff device；423：Second heating branch road on-off control unit；
450：Heat branch road；461：Battery branch road on-off control unit；
462：Battery input and output on-off control unit；470：Battery branch road；
480：Electrokinetic cell；491：Electrokinetic cell input/output port；
492：Exterior source of energy input port；
510：Electrokinetic cell system；521：First heating branch road on-off control unit；
531：Low pressure temperature detect switch (TDS)；530：Cell system controller；540：Heating unit；
522：Thermal cutoff device；523：Second heating branch road on-off control unit；
524：Heat branch current measuring unit；550：Heat branch road；
561：Battery branch road on-off control unit；562：Battery input and output on-off control unit；
570：Battery branch road；580：Electrokinetic cell；591：Electrokinetic cell input/output port；
592：Exterior source of energy input port；
610：Electrokinetic cell system；621：First heating branch road on-off control unit；
631：Low pressure temperature detect switch (TDS)；630：Cell system controller；640：Heating unit；
622：Thermal cutoff device；623：Second heating branch road on-off control unit；
624：Heat branch current measuring unit；650：Heat branch road；
661：Battery branch road on-off control unit；662：Battery input and output on-off control unit；
670：Battery branch road；680：Electrokinetic cell；690：Electrokinetic cell input/output port.
Embodiment
By reference to one exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to one exemplary embodiment as disclosed below；Can by multi-form come
It is realized.The essence of specification is only to aid in the detail of the various equivalent modifications Integrated Understanding present invention.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show and according to the solution of the present invention closely related structure and/or processing step, and eliminate little with relation of the present invention
Other details.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical reference represents identical
Or similar part, or same or like step.
Shown in reference picture 1, the invention provides a kind of electrokinetic cell system 110, has low-temperature heat function, the power electric
Cell system includes：Battery branch road 170, heating branch road 150 and cell system controller for being heated to electrokinetic cell
130.Wherein, battery branch road 170 includes electrokinetic cell 180 and the battery branch road on-off control unit connected with electrokinetic cell
160, electrokinetic cell 180 is used for output current or receives charging current, battery branch road on-off control unit 160 be used to disconnect or
Connect battery branch road.Heating branch road 150 includes heating unit 140 and the heating branch road break-make control connected with heating unit 140
Unit 120 processed, heating unit 140 press close to electrokinetic cell, for being heated to electrokinetic cell, heat branch road on-off control unit
120 are used to disconnecting or connecting electrokinetic cell heating branch road.Cell system controller 130 and battery branch road 170 and heating branch road
150 connections, for controlling on-off control unit (the i.e. battery branch road break-make in the circuits such as battery branch road 170, heating branch road 150
Control unit 160 and heating branch road on-off control unit 120) break-make, so as to need to heat time control brake force battery in battery
Or the energy production arrangement (energy source) that energy can the be provided driving heating unit outside electrokinetic cell, electrokinetic cell is carried out
Heating；Heating branch road on-off control unit 120 is disconnected when that need not heat, will heating branch road and other loops or device
Part is isolated.
In the embodiment shown in fig. 1, it is in parallel with battery branch road 170 to heat branch road 150, now, heats one end of branch road
It is connected to one end of electrokinetic cell and at least one on-off control unit (for example, switching), heating between electrokinetic cell is present
The other end of branch road directs or through an on-off control unit (for example, switching) and is connected to the other end of electrokinetic cell.But
The present invention is not limited thereto, and loop can also be formed independently of each other by heating branch road and battery branch road, realize respective function.
In one embodiment of the invention, heating unit 140 for example can be the heating plate using energy source heats, but
The present invention is not limited thereto, can also be other parts that can be heated.
When heating unit 140 is parallel to battery both ends, in be spaced a battery branch road on-off control unit 160,
Battery branch road on-off control unit 160 can disconnect battery branch road when being heated to battery, can so prevent to battery heating
When battery be electrically charged, while remain again battery to heating unit provide energy carry out self-heating function (utilizing battery
When driving heating unit, battery branch road on-off control unit 160 closes).
In embodiments of the present invention, cell system controller 130 can judge electrokinetic cell based on predetermined heating condition
Whether need to heat.When it is determined that whether electrokinetic cell needs heating, cell system controller 130 judges whether electrokinetic cell is full
Sufficient heating condition, if being unsatisfactory for heating condition, disconnect heating branch road 150 by heating branch road on-off control unit 120,
Prevent from heating battery by heating unit 140, so as to protect electrokinetic cell and heating branch road；If meet fire-bar
Part, then heating branch road is connected by heating branch road on-off control unit, so as to select by outside electrokinetic cell or electrokinetic cell
Energy can be provided energy source driving heating unit to electrokinetic cell heat, or using multiple energy sources simultaneously drive plus
Hot cell heats to electrokinetic cell.
In the case of using electrokinetic cell driving heating unit, cell system controller 130 controls battery branch road break-make
Control unit closes battery branch road, and electrokinetic cell can directly drive heating unit.
In the case where utilization can provide other energy sources driving heating unit of energy, cell system controller 130
By controlling battery branch road on-off control unit, disconnect battery branch road, to prevent being charged under stopping power battery low temperature by mistake；Or
Make battery branch road and heating branch road coupling, make it that electrokinetic cell still is able to output current or receives to fill in heating process
Electricity.
In another preferred embodiment of the present invention, cell system controller 130 can be to the state of whole electrokinetic cell system
Checked：Cell system controller 130 judges whether electrokinetic cell system 110 is deposited in malfunction, if being in failure
State, then cell system controller 130 report failure and disconnect battery branch road 170；If electrokinetic cell system 110 is in nothing
Malfunction, then cell system controller 130 determine electrokinetic cell whether need to heat, if necessary to heat, then control heating
Branch road heats to electrokinetic cell.Before heating, whether the detectable heating branch road 150 of cell system controller 130 is in event
Barrier state.Enter heating process if heating branch road 150 is normal, if being in malfunction, report failure and disconnection adds
Hot branch road 150.
Cell system controller 130 judges whether electrokinetic cell system is deposited and can entered as follows in malfunction
OK：Battery branch road on-off control unit 160 is connected, whether measure electrokinetic cell system 110 forms loop, and determines electrokinetic cell
The voltage at both ends.Whether cell system controller detection heating branch road can be carried out as follows in malfunction：To adding
Hot branch road 150 applies a voltage, determine its caused electric current whether with heating branch road should caused by electric current be consistent.More than
Judgment mode it is merely illustrative, the present invention is not limited thereto.
Preferably, cell system controller 130 can determine whether electrokinetic cell is full by detecting the temperature of electrokinetic cell
Sufficient heating condition.Heating condition can for example include charging heating condition, electrokinetic cell heat-retaining condition and/or driving fire-bar
Part：
Charging heating condition, before charging is prepared or in charging process, if temperature of powered cell fills less than minimum
Electro-temperature wishes to heat electrokinetic cell less than optimal charge temperature range, or user, then meets charging heating condition；
Electrokinetic cell heat-retaining condition, in automobile suspended state, if temperature of powered cell is less than optimal use temperature, or
User wishes to be incubated electrokinetic cell to provide optimum performance, then to meet electrokinetic cell heat-retaining condition；Or
Driving heating condition, in motoring condition, if temperature of powered cell is less than optimal use temperature, or client
Wish to heat to provide optimum performance electrokinetic cell, then meet driving heating condition.
Because cell system controller 130 needs to check the temperature of electrokinetic cell, therefore the electrokinetic cell system of the present invention
110 also include temperature sensor (not shown), and temperature sensor sends the temperature results of detection to cell system controller
130, heated power battery is decided whether by cell system controller 130.
In one embodiment, cell system controller 130 can be realized by the microprocessor of single-chip microcomputer etc.
In one embodiment, the energy production arrangement (energy source) that can provide energy outside electrokinetic cell is optional
From：
(1) exterior source of energy, as charger, external dc or AC power, external photovoltaic apparatus or other can be used for
Drive the exterior source of energy of heating unit；Preferably, exterior source of energy can be battery DC or AC charging device, these
Exterior source of energy can provide energy under vehicle lay-off state, for being heated to electrokinetic cell；
(2) feedback motor power source, its be in vehicle braking or moderating process, braking that feedback motor is reclaimed and
Deceleration energy is used to heat electrokinetic cell；
(3) other onboard power systems energy sources, as APU, fuel cell system, solar cell system, 12V plumbic acids store
Battery system or other onboard power systems, these onboard power systems can provide energy under vehicle traveling or suspended state
Amount, for being heated to electrokinetic cell.
In the above-mentioned energy source driving heating device outside using electrokinetic cell, energy source can pass through I/O mouth
190 to input unit input energy, so as to drive and heater is heated.
Accordingly for the energy source of heating branch road, can be heated as follows：
If heat energy source is exterior source of energy, as external dc or AC power, external photovoltaic apparatus or other
Available for the exterior source of energy of driving heating unit 140, these exterior source of energy can provide energy use under vehicle lay-off state
In the heating of electrokinetic cell 180.
In this case, cell system controller 130 can control battery branch road on-off control unit 160 to disconnect battery branch
Road 170；Control heating branch road on-off control unit 120 closes heating branch road 150.Then, cell system controller 130 is according to need
The heating power control exterior source of energy driving heating unit 140 wanted heats to electrokinetic cell 180.
If occur in heating process exterior source of energy to the current-responsive of the demand of cell system controller 130 slowly or
The situation that person is not responding to, in order to protect the electrokinetic cell system 110 including heating unit 140, cell system controller 130
Controllable exterior source of energy constant pressure output, output voltage are the ceiling voltage that heating unit 140 can allow.Then, battery system
The break-make of the control heating branch road of controller 130 on-off control unit 120, to modulate preferable demand for heat power.
After electrokinetic cell 180 is fully charged, if the temperature of electrokinetic cell 180 is less than optimal use temperature, or user
Wish that electrokinetic cell 180 is incubated to provide optimum performance, then heat or be incubated to electrokinetic cell 180.Cell system controller 130
Battery branch road on-off control unit 160 is controlled to disconnect battery branch road 170；Control heating branch road on-off control unit 120, which closes, to be added
Hot branch road 150.Then, the heating according to demand of cell system controller 130 or the driving of insulation power control outer energy source plus
Hot cell 140 is heated or is incubated to electrokinetic cell 180.
If heat energy source is electrokinetic cell 180 itself, cell system controller 130 controls battery branch road break-make control
Unit 160 processed closes, then the break-make of control heating branch road on-off control unit 120, to modulate preferable demand for heat work(
Rate, with electrokinetic cell 180 it is that heat energy source drives heating unit 140 to be heated to electrokinetic cell 180 so as to realize, allows power electric
Pond 180 is in suitable operating temperature.
If heat energy source is feedback motor, at low ambient temperatures, if electrokinetic cell system can not receive vehicle braking
Feedback current, cell system controller can close battery branch road on-off control unit and heating branch road on-off control unit, so
Using feedback current heating unit can be driven to heat electrokinetic cell, while prevent battery to be charged by feedback, especially, Ke Yitong
Control back voltage is crossed no more than electrokinetic cell system open-circuit voltage to realize.Therefore the present invention can utilize feedback motor feedback
Energy give electrokinetic cell heating.Cell system controller 130 controls battery branch road on-off control unit 160 to close, battery system
System controller 130 asks vehicle control unit controls feedback motor to carry out feedback as desired.It is simultaneously single including heating in order to protect
Electrokinetic cell system 110 including member 140, in the case where carrying out low temperature charging to electrokinetic cell, cell system controller 130
The output of charging device constant pressure is controlled, output voltage is the magnitude of voltage needed for heating unit；The heating branch road break-make of high frequency control simultaneously
The break-make of control unit, to modulate preferably required heating power.
If heat energy source is other onboard power systems, as APU, fuel cell system, solar cell system,
12V lead-acid storage battery systems or other onboard power systems, these onboard power systems can be travelled in vehicle or stagnation of movement
Under state, there is provided energy heats for electrokinetic cell 180.Electrokinetic cell can not completely play it in the case of cold operation
Performance, cell system controller 130 control battery branch road on-off control unit 160 and heating branch road on-off control unit 120, profit
Electric current driving heating unit 140 is come heated power battery 180 caused by other described onboard power sources, can with obtain optimization
Use power.
In one embodiment, it is gate-controlled switch branch road on-off control unit to be heated in electrokinetic cell system, such as can be with
It is HF switch or low frequency switch.HF switch can be MOSFET (Metal-Oxide Semiconductor field effect transistors
Pipe), IGBT (insulated gate bipolar transistor) etc., low frequency switch can be relay.It is preferred to heat branch road on-off control unit
For HF switches such as MOSFET, IGBT, the heating power for modulating needs can quickly be opened or closed.Battery system controls
Device 130 can control heating branch road on-off control unit high frequency break-make, so as to obtain required heating unit according to demand for heat
Driving power.
Heat branch road on-off control unit go wrong cause heat branch road 150 can not disconnect when, disconnect battery branch road
On-off control unit 160 can make electrokinetic cell and heating branch road isolation, protection electrokinetic cell 180 and heating branch road 150.Battery branch
Road on-off control unit can be placed on power battery anode side, can also be placed on power battery cathode side.Preferably, by battery branch road
On-off control unit is placed on power battery cathode side, to ensure the disconnection reliability of battery branch road.Should at least it be wrapped in battery branch road
Containing a battery branch road on-off control unit 160, serious problems occur in heating branch road on-off control unit 120 causes heating branch
When road 150 can not disconnect, the battery branch road on-off control unit 160 can be disconnected and realize electrokinetic cell 180 and heating branch road 150
Isolation, protection electrokinetic cell 180 and heating branch road 150.
In one embodiment, battery branch road on-off control unit 160 can be gate-controlled switch.
In Fig. 1, it is single although only respectively illustrating a heating branch road break-make control in heating branch road and battery branch road
Member and battery branch road on-off control unit, but more than two heating branch road on-off control units and battery branch can be set completely
Road on-off control unit heats the break-make of branch road and battery branch road to control.
The present invention at least has the following advantages that above in conjunction with the electrokinetic cell system described in Fig. 1：
1st, a variety of heat energy sources can be used to be heated to electrokinetic cell, adapts to more complicated operating mode, and can
Battery charging and discharging performance is played well.
2nd, when motor can not give electrokinetic cell feedback, motor can be used for heating to electrokinetic cell system, so as to
Improve the economy of vehicle.
3rd, due to a variety of heat energy sources can be used to be heated to electrokinetic cell, electrokinetic cell can be also given when driving
Heating, so as to improve the dynamic property of electrokinetic cell system in the environment of low temperature.
4th, after charging terminates, it can use a variety of heat energy sources that electrokinetic cell is incubated in optimum temperature, low
During warm environment, vehicle, which starts to start, just good dynamic property.
5th, in the case where heating branch road on-off control unit is HF switch, it can quickly disconnect closure and modulate need
The heating power wanted.
6th, can be by by battery branch road on-off control unit when being heated using the energy source such as charger to battery
Disconnect to prevent battery to be electrically charged, protect the performance of battery.
Fig. 2 shows the example of another electrokinetic cell system 210 of the present invention.As shown in Fig. 2 the electrokinetic cell system 210
Including：Cell system controller 230, heating unit 240, heating branch road on-off control unit 221, heating branch road 250, battery branch
Road 270, electrokinetic cell 280, battery branch road on-off control unit 261, battery input and output on-off control unit 262, low pressure temperature
Control switch 231, thermal cutoff device 222 and electrokinetic cell input/output port 290.
Fig. 2 electrokinetic cell system 210 is in addition to the structure shown in Fig. 1 with Fig. 1 main distinction：
(1) electrokinetic cell system 210 is provided with thermal cutoff device (such as thermal cut-off) 222 and low pressure temperature detect switch (TDS) 231, can
To make heating process more safe.
In the case of thermal runaway temperature exceeding standard (as exceeded predetermined value), thermal cutoff device 222 can disconnect heating automatically
Branch road 250, to protect heating unit and electrokinetic cell.Thermal cutoff device 222 can also be replaced by other temp-controlled circuit breaking devices.
Heating branch road on-off control unit may include low-voltage driving circuit, can be driven in other words by low-voltage driving circuit,
Low pressure temperature detect switch (TDS) 231 can be automatic to disconnect heating branch road on-off control unit 221 in the case where heating branch road temperature exceeding standard
Low-voltage driving circuit, heat branch road on-off control unit to disconnect, so as to disconnect heating branch road, protect heating unit and power
Battery.
(2) in the embodiment shown in Fig. 2, electrokinetic cell system 210 except including the break-make control of heating branch road as shown in Figure 1
Outside unit and battery branch road on-off control unit, battery input and output break-make is also provided with the input and output circuit of battery
Control unit 262.Cell system controller 230 can control battery input and output on-off control unit when electrokinetic cell is heated
262 disconnect.
The battery input and output on-off control unit 262 breaks in charging or when driving heating unit using electrokinetic cell
Open, it can be ensured that now electrokinetic cell does not have High voltage output, and vehicle is in complete locking state.Preferably, the input of this battery is defeated
Go out the side of the positive electrode that on-off control unit 262 is arranged on electrokinetic cell, when not closing, vehicle is in non-power state for it.This can
To ensure that vehicle reliably stops in stopping for charging, safeguards system is safer.
Embodiment shown in Fig. 2 can be further ensured that electrokinetic cell system is more pacified compared with the embodiment shown in Fig. 1
Entirely.
Fig. 3 shows the example of another electrokinetic cell system 310 of the present invention.As shown in figure 3, the electrokinetic cell system 310
Including：Cell system controller 330, heating unit 340, heating branch road on-off control unit 321, heating branch road 350, battery branch
Road 370, electrokinetic cell 380, battery branch road on-off control unit 361, battery input and output on-off control unit 362, low pressure temperature
Control switch 331, thermal cutoff device 322, electrokinetic cell input/output port 391 and exterior source of energy (charger) input port
392。
Externally two ports 391 and 392 be present compared with Fig. 2 in electrokinetic cell system 310 as shown in Figure 3.A port
For the input port of exterior source of energy input port 392, for example, charger, including Vehicular charger and off-board charger；
Another port is the input/output port 391 of electrokinetic cell, and battery system drives vehicle motor even load by this port 391,
The input of feedback motor and other onboard power systems energy sources can also be received simultaneously.Such configuration exists following excellent
Point：
1st, the demand of electrokinetic cell system heating is essentially consisted in when charged at low temperature, now utilizes charger
Energy when carrying out battery system heating, the closure heating of cell system controller 330 branch road on-off control unit 321, charger
The energy of output can be exported to heating unit 340 with heated power battery 380 by exterior source of energy input port 392；Together
When disconnect battery branch road on-off control unit 361, charger will not give battery to charge by mistake, ensure that the security of battery system；
Battery input and output on-off control unit 362, the no-voltage of electrokinetic cell input/output port 391, battery system are also disconnected simultaneously
Externally locking state is in, ensure that the security of vehicle without High voltage output, vehicle.
2nd, after the temperature that electrokinetic cell can charge is heated to, battery branch road on-off control unit 361 can be closed,
While charger charges the battery, heating unit is driven, to improve the efficiency for heating and charging；Also need to ensure battery simultaneously
Input and output on-off control unit 362 disconnects, and battery system is externally in locking state without High voltage output, vehicle.
3rd, after heating terminates, heating branch road on-off control unit 321 is disconnected, charger only charges the battery, without
Heating unit is driven, to prevent battery to be heated to too high temperature；Also ensure battery input and output on-off control unit simultaneously
362 disconnect, and battery system is externally in locking state without High voltage output, vehicle.
4th, battery branch road on-off control unit 361, battery input and output on-off control unit 391 can be gate-controlled switches.
Fig. 4 shows the example of another electrokinetic cell system 410 of the present invention.Electrokinetic cell system 410 in Fig. 4 includes：
Cell system controller 430, heating unit 440, first heat branch road on-off control unit 421, second and heat branch road break-make control
Unit 423 processed, heating branch road 450, battery branch road 470, electrokinetic cell 480, battery branch road on-off control unit 461, battery are defeated
Enter to export on-off control unit 462, low pressure temperature detect switch (TDS) 431, thermal cutoff device 422, electrokinetic cell input/output port 491 with
And exterior source of energy (charger) input port 492.
As shown in figure 4, in order to ensure the disconnection reliability of heating branch road, the security of battery system heating process is improved,
The operability when Synchronous Heating is also improved simultaneously, and heating branch road 450 is disposed with two heating branch road break-make controls
Unit, the respectively first heating branch road on-off control unit 421 and the second heating branch road on-off control unit 423, wherein second
It can be the gate-controlled switches such as relay to heat branch road on-off control unit 423, and the first heating branch road on-off control unit 421 can be with
For relay, or the electronic controllable high frequency switching elements such as MOSFET, IGBT.Such configuration adds following advantage：
1st, two heating branch road on-off control units in branch road are heated and ensure that the disconnection reliability of heating branch road, as long as appointing
One heating branch road on-off control unit of meaning can be disconnected, and the whole branch road 450 that heats just is disconnected, and ensures the security of system.
2nd, in the case where the heating branch road of selection second on-off control unit 421 is high frequency switching elements, can charge
In the case that machine heats charging simultaneously, by opening and closing heating branch road on-off control unit 421, adding for heating unit is controlled
Thermal power, improve the heating properties of system.
3rd, in the case where the heating branch road of selection second on-off control unit 421 is high frequency switching elements, can charge
Under machine heating state, in the case of the output of charger constant pressure, by opening and closing heating branch road on-off control unit 421, control
The heating power of heating unit processed.
Fig. 5 shows the example of another electrokinetic cell system 510 of the present invention.Electrokinetic cell system 510 in Fig. 5 includes：
Cell system controller 530, heating unit 540, first heat branch road on-off control unit 521, second and heat branch road break-make control
Unit 523 processed, current measuring unit 524, heating branch road 550, battery branch road 570, electrokinetic cell 580, battery branch road break-make control
Unit 561 processed, battery input and output on-off control unit 562, low pressure temperature detect switch (TDS) 531, thermal cutoff device 522, electrokinetic cell
Input/output port 591 and exterior source of energy input port 592.
As shown in figure 5, in order to preferably monitor the security of heating branch road, electric current survey is added in branch road 550 is heated
Unit 524 is measured, carrys out the accurate situation for obtaining heating branch road, so as to analyze the heating power of heating branch road.Current measurement list
The monitoring of member 524 flows through the electric current of heating unit and sends measurement result to cell system controller 530, battery system control
Device controls heating branch road on-off control unit according to measurement result.That is, in heating process, cell system controller
530 are monitoring that current measuring unit 524 measured in the case that obtained heated current exceedes desired value, you can to disconnect plus
Hot branch road on-off control unit 521,523, it is ensured that heat the security of branch road.During non-heated, if battery system controls
Device 530 monitors that current measuring unit 524 measures obtained electric current and is more than threshold value, shows unexpected heating occurred, also may be used
To take measures immediately, ensure the security of system.When needing heating, after closing related on-off control unit, if battery system
It is zero that system controller 530, which monitors that current measuring unit 524 measures obtained electric current, shows that heating branch road breaking event occurs
Barrier, can also take corresponding measure by 530 instant reporting fault of cell system controller.That is, pass through current measurement
Unit 524, can monitor the electric current for flowing through heating unit, measurement result be supplied to cell system controller be used for control heating prop up
Road on-off control unit.
Fig. 6 shows the example of another electrokinetic cell system 610 of the present invention.Electrokinetic cell system 610 in Fig. 6 includes：
Cell system controller 630, heating unit 640, first heat branch road on-off control unit 621, second and heat branch road break-make control
Unit 623 processed, low pressure temperature detect switch (TDS) 631, thermal cutoff device 622, heating branch current measuring unit 624, heating branch road 650,
Battery branch road on-off control unit 661, battery input and output on-off control unit 662, battery branch road 670, electrokinetic cell 680 with
And electrokinetic cell input/output port 690.Wherein, low pressure temperature detect switch (TDS) 631 is to the He of the first heating branch road on-off control unit 621
Both second heating branch road on-off control units 623 are controlled.
In electrokinetic cell system shown in Fig. 6, Fig. 1 and Fig. 2, its input and output shares identical port, with matching somebody with somebody for outside
Electronic box etc. carries out the distribution of energy.For such configuration, the first heating branch road on-off control unit is used in heating branch road 650
621st, the second heating branch road on-off control unit 623, current measuring unit 624 etc., the security of system can also be improved.
The electrokinetic cell system that mode describes is performed as described above according to the present invention, can rational and efficient use battery itself, fill
Electric installation, feedback motor, other onboard power systems etc. heat as energy source to battery, battery is in suitable temperature
Degree is to obtain optimization charge-discharge electric power, in the dynamic property and vehicle for solving to improve battery while low temperature environment charging is difficult
The security of economy and battery system.
Correspondingly, the present invention also provides a kind of control method for previous power battery system, as shown in fig. 7, specifically
It may include following steps：
Whether step S710, cell system controller detection electrokinetic cell meet heating condition, and heating condition for example can be with
Including foregoing charging heating condition, electrokinetic cell heat-retaining condition and/or driving heating condition.
If being unsatisfactory for heating condition, such as step S740 disconnects heating branch road by heating branch road on-off control unit,
Prevent from heating battery by heating unit, protection electrokinetic cell and heating branch road；If electrokinetic cell meets fire-bar
Part, then into step S720；
Step S720, cell system controller judge whether battery branch road is deposited in malfunction, if being in failure shape
State, then report failure and disconnect battery branch road；If battery branch road is in unfaulty conditions, cell system controller detection adds
Whether hot branch road is in malfunction, enters next step if branch road is heated normally, if being in malfunction, report event
Hinder and disconnect heating branch road (referring to step S750).Above-mentioned steps S710 and S720 sequencing can change.
Step S730, heating branch road is connected by heating branch road on-off control unit, so as to by electrokinetic cell or power
Energy source driving heating unit outside battery heats to electrokinetic cell, or multiple energy sources drive heating unit to dynamic simultaneously
Power battery heats.
The temperature of electrokinetic cell can be monitored by cell system controller, when electrokinetic cell reaches for example optimal temperature of preset temperature
When degree or the temperature of user's setting, stop heating electrokinetic cell, cell system controller disconnects the break-make control of heating branch road
Unit, branch road will be heated and be isolated with the battery branch road for heating.
In the case of using electrokinetic cell driving heating unit, cell system controller control battery branch road break-make control
Unit closes, electrokinetic cell direct drive heating unit；
In the case of the energy source driving heating unit outside using electrokinetic cell, then cell system controller passes through control
Battery branch road on-off control unit battery branch road processed disconnects, to prevent being charged under stopping power battery low temperature by mistake；Or make battery branch
Road and heating branch road coupling, make it that electrokinetic cell still is able to output current or receives charging in heating process.Power electric
Energy source outside pond for example may include at least one of following：Charging device, feedback motor, other onboard power systems
Deng.
Preferably, when using electrokinetic cell driving heating unit, the input/output port of controllable electrokinetic cell does not have
High voltage output.For example, as shown in Figure 2, charged by cell system controller control battery input and output on-off control unit
When or disconnect when driving heating unit using electrokinetic cell, it can be ensured that now electrokinetic cell does not have a High voltage output, at vehicle
In complete locking state.
Preferably, when the energy source outside using electrokinetic cell carries out being heated to predetermined temperature to battery, battery is closed
Branch road on-off control unit, battery is charged using the energy source, and control the input/output port of electrokinetic cell not have
There is High voltage output.For example, as shown in Figure 3, after the temperature for being heated to electrokinetic cell to charge, battery can be closed
Branch road on-off control unit, while being charged the battery by exterior source of energy (such as charger), exterior source of energy continues driving and added
Hot cell, to improve the efficiency for heating and charging；Also ensure that battery input and output on-off control unit disconnects simultaneously, battery system
Externally locking state is in without High voltage output, vehicle.
Moreover it is preferred that in the heating process of heating unit, can be according to electric current, the heating unit for flowing through heating unit
Temperature or electrokinetic cell temperature come control heating branch road break-make.
For example, the situation of the break-make of heating branch road on-off control unit is being controlled according to the electric current for flowing through heating unit
Under, can be as shown in figure 5, heating branch can be controlled according to the electric current obtained from current measuring unit measurement by cell system controller
The break-make of road on-off control unit.In the case of controlling the break-make of heating branch road in the temperature according to heating unit, it can pass through
It is arranged on the temp-controlled circuit breaking device heated on branch road or the low-voltage driving circuit of branch road on-off control unit is heated for controlling
Low pressure temperature detect switch (TDS) heats the break-make of branch road to control.The feelings of the break-make of heating branch road are controlled in the temperature according to electrokinetic cell
Under condition, also the break-make of heating branch road can be controlled by being arranged on the low pressure temperature detect switch (TDS) on heating branch road.
Preferably, in the control method of the embodiment of the present invention, in the case where being charged to electrokinetic cell, control is filled
Electric installation (energy source outside such as battery) constant pressure exports, and output voltage is the magnitude of voltage needed for heating unit.
Preferably, in the control method of the embodiment of the present invention, being gone wrong in heating branch road on-off control unit causes
When heating branch road can not disconnect, disconnecting battery branch road on-off control unit makes electrokinetic cell and heating branch road isolation, protects power
Battery and heating branch road.
Preferably, in the control method of the embodiment of the present invention, the energy source outside the electrokinetic cell is feedback electricity
In the case that machine and the electrokinetic cell can not receive vehicle feedback braking electric current, close battery branch road on-off control unit and add
Hot branch road on-off control unit, and control back voltage meet demand.Heating unit is driven to electrokinetic cell using feedback current
Heating.
The control method of the present invention equally being capable of rational and efficient use battery itself, charging device, feedback motor, other cars
Carry dynamical system etc. to heat to battery as energy source, battery is in suitable temperature and optimize charge and discharge electric work to obtain
Rate, in the dynamic property and vehicle economy and the safety of battery system for solving to improve battery while low temperature environment charging is difficult
Property.
Described as described above for one embodiment and/or the feature that shows can be in a manner of same or similar at one or more
Used in a number of other embodiments, and/or the feature in other embodiments is combined or substitutes with the feature in other embodiments
Use.
With reference to the explanation of the invention disclosed here and practice, other embodiment of the invention is for those skilled in the art
It all will be readily apparent and understand.Illustrate and embodiment is to be considered only as exemplary, of the invention true scope and purport is equal
It is defined in the claims.
Claims (15)
1. a kind of electrokinetic cell system, it is characterised in that the electrokinetic cell system includes battery branch road, heating branch road and electricity
Cell system controller；
The battery branch road includes electrokinetic cell and at least one battery branch road on-off control unit connected with electrokinetic cell；
The heating branch road includes heating unit and at least one heating branch road on-off control unit connected with heating unit；
The cell system controller can control the battery branch road on-off control unit and the heating branch road break-make control
The break-make of unit, the energy source outside the electrokinetic cell or the electrokinetic cell is selected to drive the heating in predefined conditions
Unit, the electrokinetic cell is heated.
2. electrokinetic cell system according to claim 1, it is characterised in that the heating branch road and the battery branch road are simultaneously
Connection.
3. electrokinetic cell system according to claim 2, it is characterised in that the electrokinetic cell system also includes power electric
Pond input and output circuit and battery input/output port, battery input and output are provided with the electrokinetic cell input and output circuit
On-off control unit, the cell system controller control the battery input and output break-make when the electrokinetic cell is heated
Control unit disconnects.
4. electrokinetic cell system according to claim 3, it is characterised in that the electrokinetic cell system also includes external energy
Amount source input port, the electrokinetic cell is charged with exterior source of energy via the exterior source of energy input port and/or
Drive the heating unit.
5. electrokinetic cell system according to claim 1, it is characterised in that at least one heating branch road break-make control
Unit is the first heating branch road on-off control unit and the second heating branch road break-make control for being respectively placed in the heating unit both ends
Unit processed, the first heating branch road on-off control unit and the described second each heated in branch road on-off control unit are
High frequency or low frequency switch.
6. electrokinetic cell system according to claim 1, it is characterised in that the heating branch road also includes current measurement list
Member, current measuring unit monitoring flow through the electric current of the heating unit and send measurement result to the battery system control
Device processed, the cell system controller control the heating branch road on-off control unit according to the measurement result.
7. electrokinetic cell system according to claim 1, it is characterised in that the heating branch road also includes temperature control open circuit dress
Put, in the case of exceeding predetermined value in the temperature of the heating unit, disconnect the heating branch road automatically.
8. electrokinetic cell system according to claim 1, it is characterised in that the heating branch road on-off control unit includes
Low-voltage driving circuit, and the heating branch road also includes low pressure temperature detect switch (TDS), is surpassed with the temperature in heating unit or electrokinetic cell
Automatically the low-voltage driving circuit of the heating branch road on-off control unit is disconnected in the case of crossing predetermined value, to disconnect the heating
Branch road on-off control unit.
9. electrokinetic cell system according to claim 1, it is characterised in that the energy source outside the electrokinetic cell includes
At least one of below：Feedback motor power source, exterior source of energy and onboard power systems energy source；
Wherein, the exterior source of energy includes at least one of following：Charger, external dc or AC power and external light
Lie prostrate equipment.
10. a kind of control method for being used for the electrokinetic cell system as described in any one in claim 1-9, its feature exist
In this method comprises the following steps：
Determine whether the electrokinetic cell meets heating condition；
Heating stepses, in the case where meeting heating condition, the heating branch road on-off control unit is closed, and close or disconnect
The battery branch road on-off control unit, to select described in the energy source driving outside the electrokinetic cell or the electrokinetic cell
Heating unit, the electrokinetic cell is heated.
11. according to the method for claim 10, it is characterised in that before the heating stepses, methods described also includes：
Determine that the battery branch road and the heating branch road whether there is failure；
The heating stepses perform in the case of it is determined that failure is not present in the battery branch road and the heating branch road.
12. according to the method for claim 10, it is characterised in that：
When driving the heating unit using the electrokinetic cell, the input/output port of the electrokinetic cell is controlled without height
Pressure output.
13. according to the method for claim 10, it is characterised in that：
When the energy source outside using the electrokinetic cell carries out being heated to predetermined temperature to battery, the battery branch road is closed
On-off control unit, battery is charged using the energy source, and control the input/output port of the electrokinetic cell not have
There is High voltage output.
14. according to the method for claim 10, it is characterised in that：
In the heating process of the heating unit, according to the temperature for flowing through the electric current of the heating unit, the heating unit
Or the temperature of the electrokinetic cell come control it is described heating branch road break-make.
15. according to the method for claim 10, it is characterised in that the energy source outside the electrokinetic cell is feedback electricity
In the case that machine and the electrokinetic cell can not receive vehicle feedback braking electric current, close battery branch road on-off control unit and add
Hot branch road on-off control unit.
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| JP7130036B2 (en) | 2018-11-27 | 2022-09-02 | ライズサン メングーリ ニュー エナジー サイエンス アンド テクノロジー カンパニー リミテッド | BATTERY SYSTEM WITH ADJUSTABLE HEATING RATE AND CONTROL METHOD THEREOF |
| KR102457327B1 (en) * | 2018-11-27 | 2022-10-20 | 라이즈선 멩굴리 뉴 에너지 사이언스 ＆ 테크놀로지 컴퍼니 리미티드 | Battery system with adjustable heating rate and control method therefor |
| CN110931918A (en) * | 2019-12-05 | 2020-03-27 | 宝能汽车有限公司 | Battery pack device and battery pack device preheating method |
| CN111071106A (en) * | 2019-12-25 | 2020-04-28 | 浙江合众新能源汽车有限公司 | Low-temperature charging management system and method for electric automobile |
| WO2023088737A1 (en) * | 2021-11-17 | 2023-05-25 | Robert Bosch Gmbh | Device for preventing overvoltages in an electric energy storage system |
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