CN105789735A - Pure electric vehicle as well as power battery heating control system and method thereof - Google Patents
Pure electric vehicle as well as power battery heating control system and method thereof Download PDFInfo
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- CN105789735A CN105789735A CN201610257591.XA CN201610257591A CN105789735A CN 105789735 A CN105789735 A CN 105789735A CN 201610257591 A CN201610257591 A CN 201610257591A CN 105789735 A CN105789735 A CN 105789735A
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- electrokinetic cell
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- electric automobile
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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
- H01M10/60—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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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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 discloses a power battery heating control system of a pure electric vehicle. The system comprises a heat source device, a circulation pipeline and a controller, wherein the heat source device is used for providing heat energy; a circulating pump and a heating chamber are arranged on the circulation pipeline; a power battery pack of the pure electric vehicle is connected to the circulation pipeline; the circulating pump is used for driving a condensing agent to be circulated in the circulation pipeline; when flowing through the heating chamber, the condensing agent absorbs the heat energy provided by the heat source device to be heated; when circulating to the power battery pack, the heated condensing agent heats a power battery in the power battery pack; the controller controls the heat source device and the circulating pump according to a heating start signal. The power battery heating control system provided by the invention can prolong the service life of the power battery and increase the extended mileage in a low-temperature environment. The invention also discloses the pure electric vehicle and a power battery heating control method of the pure electric vehicle.
Description
Technical field
The invention belongs to technical field of vehicle, particularly relate to the electrokinetic cell heating control system of a kind of pure electric automobile, and there is the pure electric automobile of this heating control system and the electrokinetic cell method for heating and controlling of pure electric automobile.
Background technology
At present, a lot of areas are often subject to the puzzlement of haze weather, adverse effect is all brought to the safety of people and healthy living etc., electric automobile is because having cleanliness without any pollution without advantages such as discharge, energy conversion efficiency height, simple in construction, working service convenience, country releases new-energy automobile excitation popularization policy besides, has evoked each cart enterprise upsurge to new-energy automobile research.
Lithium ion battery use on pure electric automobile is more, pure electric automobile may work as required at low ambient temperatures, the optimum working temperature of lithium battery ranges for 15 35 DEG C, and after 0 DEG C, the charge-discharge performance of lithium battery and cycle life can be greatly affected.For the power battery pack used on pure electric automobile, charge-discharge electric power and active volume under low-temperature working environment can sharply decline, do not reach the requirement of use, cause vehicle normally to use, be accomplished by power battery pack is carried out Heat preservation when therefore using at low ambient temperatures.
Summary of the invention
It is contemplated that one of technical problem solved at least to a certain extent in correlation technique.
For this, the present invention needs to propose the electrokinetic cell heating control system of a kind of pure electric automobile, and this heating control system can realize the heating and thermal insulation of the electrokinetic cell to pure electric automobile, extends the life-span of electrokinetic cell, improves continual mileage.
The present invention also proposes the electrokinetic cell method for heating and controlling of a kind of pure electric automobile and pure electric automobile.
In order to solve the problems referred to above, one aspect of the present invention proposes the electrokinetic cell heating control system of a kind of pure electric automobile, and this heating control system includes: heat power supply device, and described heat power supply device is used for providing heat energy；Circulation line, described circulation line arranges circulating pump and adds hot cell, and the electrokinetic cell bag of described pure electric automobile is connected to described circulation line, wherein, described circulating pump is used for driving condensing agent at described circulation line internal recycle, described condensing agent absorbs heat energy that described heat power supply device provides when adding hot cell with heated described in flowing through, and when the condensing agent after heating is recycled to described electrokinetic cell bag, the electrokinetic cell in described electrokinetic cell bag is heated；Controller, described controller controls described heat power supply device and described circulating pump according to heating starting signal.
The electrokinetic cell heating control system of the pure electric automobile of the embodiment of the present invention, heat energy is provided by heat power supply device, and by the condensing agent absorption heat energy input in circulation line to electrokinetic cell, realize the heating to electrokinetic cell, ensure the operating temperature of electrokinetic cell, extend the life-span of electrokinetic cell, improve continual mileage during cold operation.
Specifically, described heat power supply device includes: fuel tank, oil pump, combustor, supply fan and lighter, described combustor arranges oil inlet, air intlet and waste gas outlet, described oil inlet is connected with described oil pump, described supply fan is arranged on described air intlet, and described waste gas outlet is used for getting rid of burning waste gas；Wherein, when receiving heating starting signal, the described controller described pump start of control is to pump in the oil extremely described combustor in described fuel tank, and control the startup of described supply fan to drive air into described combustor, and control described lighter and light the mixture of the oil in described combustor and air, so that the burning of described mixture provides described heat energy.
Described heat power supply device also includes: acoustic filter, and described acoustic filter is arranged on the waste gas outlet of described combustor.
In some embodiments of the invention, described electrokinetic cell heating control system also includes: the first temperature sensor, and described first temperature sensor detects the temperature of described electrokinetic cell；Battery manager, described battery manager sends described heating starting signal or heat request signal extremely described controller when judging the temperature of described electrokinetic cell lower than preset temperature.
In some embodiments of the invention, described electrokinetic cell heating control system also includes: the first proportioning valve, described first proportioning valve is arranged on described circulation line, and it is arranged on the entrance of described electrokinetic cell bag, described controller is additionally operable to when receiving described heating starting signal, control described oil pump, described supply fan, described circulating pump and described first proportioning valve to open, and the aperture of temperature described first proportioning valve of control according to described electrokinetic cell.
In some embodiments of the invention, described electrokinetic cell heating control system also includes suggestion device, and described controller, when receiving described heat request signal, controls described suggestion device output heating information, to point out user to carry out battery heating operation.
In some embodiments of the invention, described electrokinetic cell heating control system also includes: battery heating starting device, and described battery heating starting device sends described heating starting signal extremely described controller when receiving user operation instruction.
In some embodiments of the invention, described electrokinetic cell heating control system also includes: heat exchanger and blower fan, described heat exchanger is arranged on described circulation line, condensing agent after described heating is divided into two-way, wherein, one road condensing agent input extremely described electrokinetic cell bag, another road condensing agent input extremely described heat exchanger is to be heated the air flowing through described heat exchanger, described controller controls described fan starting after receiving heating enabling signal, so that described blower fan drives air through described heat exchanger, air through described heat exchanger absorbs heat and enters in the compartment of described pure electric automobile and warms oneself for user.
In some embodiments of the invention, described electrokinetic cell heating control system also includes: the second proportioning valve and switch valve, described second proportioning valve and described switch valve are separately positioned on described circulation line, and described second proportioning valve is arranged on the entrance of described heat exchanger, described switch valve is arranged on the outlet of described heat exchanger, and described controller controls described second proportioning valve and described switch valve according to described heating enabling signal.
In some embodiments of the invention, described electrokinetic cell heating control system also includes: the second temperature sensor, described second temperature sensor is used for the temperature detecting in the compartment of described pure electric automobile, and described controller controls the aperture of described second proportioning valve according to the temperature in described compartment.
In some embodiments of the invention, described electrokinetic cell heating control system also includes: heating starts device, and described heating starts device and is used for the triggering command receiving user to send described heating enabling signal extremely described controller.
Based on the electrokinetic cell heating control system of above-mentioned aspect, another aspect of the present invention also proposes a kind of pure electric automobile, and this pure electric automobile includes described electrokinetic cell heating control system.
This pure electric automobile, by above-mentioned heating control system, electrokinetic cell life, the continual mileage when low temperature travels improves.
Based on above-mentioned electrokinetic cell heating control system, another aspect of the invention proposes the electrokinetic cell method for heating and controlling of a kind of pure electric automobile, wherein, described pure electric automobile includes heat power supply device, circulation line, the electrokinetic cell bag being connected to described circulation line and controller, described method for heating and controlling comprises the following steps: described controller, when receiving heating starting signal, controls described heat power supply device and starts so that described heat power supply device provides heat energy；And the circulating pump that described controller controls to be arranged on described circulation line starts to drive condensing agent at described circulation line internal recycle, wherein, described condensing agent absorbs heat energy that described heat power supply device provides when adding hot cell with heated described in flowing through, and when the condensing agent after heating is recycled to described electrokinetic cell bag, the electrokinetic cell in described electrokinetic cell bag is heated.
The electrokinetic cell method for heating and controlling of the pure electric automobile of the embodiment of the present invention, start by controlling heat power supply device to provide heat energy, and by the condensing agent absorption heat energy input in circulation line to electrokinetic cell bag, realize the heating to electrokinetic cell, ensure the operating temperature of electrokinetic cell, such that it is able to extend the life-span of electrokinetic cell, improve continual mileage when running under low temperature environment.
In some embodiments of the invention, this method for heating and controlling also includes: the battery manager of described pure electric automobile obtains the temperature of described electrokinetic cell, wherein, described battery manager sends described heating starting signal or heat request signal when judging that the temperature of described electrokinetic cell is lower than preset temperature to described controller.
Wherein, described controller controls the suggestion device of described pure electric automobile and issues the user with heating information when receiving described heat request signal, so that described user sends described heating starting signal by the battery heating starting device of described pure electric automobile to described controller.
In some embodiments of the invention, described circulation line also sets up the first proportioning valve, wherein, when described electrokinetic cell is heated, the temperature information of described electrokinetic cell is also sent to described controller by described battery manager, and described controller controls the aperture of described first proportioning valve to regulate the flow of the condensing agent being recycled to described electrokinetic cell bag according to the temperature information of described electrokinetic cell.
In some embodiments of the invention, the battery heating starting device of described pure electric automobile sends described heating starting signal extremely described controller when receiving the operational order of user.
In some embodiments of the invention, described pure electric automobile also includes blower fan and the heat exchanger being arranged on described circulation line, described controller controls described fan starting when receiving heating enabling signal, so that described blower fan drives air through described heat exchanger, warm oneself for user in the air of described heat exchanger absorbs the heat of condensing agent in described heat exchanger and enters the compartment of described pure electric automobile.
In some embodiments of the invention, described circulation line also sets up the second proportioning valve and switch valve, described controller also receives the temperature information in the compartment of described pure electric automobile, described controller is when receiving described heating enabling signal, control described second proportioning valve and described switch valve is all opened, and control the aperture of described second proportioning valve to regulate the flow of the condensing agent entering described heat exchanger according to the temperature information in the compartment of described pure electric automobile.
In some embodiments of the invention, the heating startup device of described pure electric automobile sends described heating enabling signal extremely described controller when receiving the triggering command of user.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the electrokinetic cell heating control system of pure electric automobile according to an embodiment of the invention；
Fig. 2 is the schematic diagram of the electrokinetic cell heating control system of pure electric automobile according to another embodiment of the invention；
Fig. 3 is the transmission schematic diagram of the electrokinetic cell heating control system control signal of pure electric automobile according to an embodiment of the invention；
Fig. 4 is the flow chart of the electrokinetic cell method for heating and controlling of pure electric automobile according to another embodiment of the invention；
Fig. 5 is the flow chart of the electrokinetic cell method for heating and controlling of pure electric automobile under fast mold filling formula of a specific embodiment according to the present invention；And
Fig. 6 is the flow chart of the electrokinetic cell method for heating and controlling of the pure electric automobile in the operating mode of another specific embodiment according to the present invention.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
The electrokinetic cell heating control system of the pure electric automobile proposed according to embodiments of the present invention is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the electrokinetic cell heating control system of pure electric automobile according to an embodiment of the invention, as it is shown in figure 1, this heating control system 100 includes heat power supply device 10, circulation line 20 and controller (not indicating in figure).
Heat power supply device 10 is used for providing heat energy.Circulation line 20 arranges circulating pump 21 and adds hot cell 22, and the electrokinetic cell bag 30 of pure electric automobile connects circulation line 20, such as, in Fig. 1, multiple electrokinetic cell monomer is included in electrokinetic cell bag 30, wherein, circulating pump 21 is by controller such as vehicle control unit controls, flow in circulation line 20 for condensing agent and power is provided, for driving condensing agent at circulation line 20 internal recycle, condensing agent flows through the heat energy absorbing heat power supply device 10 offer when adding hot cell 22 with heated, when condensing agent after heating is recycled to electrokinetic cell bag 30, the electrokinetic cell in electrokinetic cell bag is heated, namely the condensing agent flowing through electrokinetic cell bag 30 can be back to circulation line 20, proceed circulation.
Controller controls heat power supply device 10 and circulating pump 21 according to heating starting signal, such as, automatically control heat power supply device 10 when receiving heating starting signal and circulating pump 21 starts electrokinetic cell bag 30 is heated, the such as winter when temperature is relatively low, temperature to ensure the electrokinetic cell of pure electric automobile is in the discharge and recharge scope such as 15-35 DEG C of the best, extend the life-span of electrokinetic cell, improve course continuation mileage.
Can be seen that, the electrokinetic cell heating control system 100 of the pure electric automobile of the embodiment of the present invention, heat energy is provided by heat power supply device 10, and by the condensing agent absorption heat energy input in circulation line 20 to electrokinetic cell bag 30, realize the heating to electrokinetic cell, ensure the operating temperature of electrokinetic cell, extend the life-span of electrokinetic cell, improve continual mileage during cold operation.
Further, as shown in Figure 2, heat power supply device 10 includes fuel tank 11, oil pump 12, combustor 13, supply fan 14 and lighter (not shown), combustor 13 arranges oil inlet, air intlet and waste gas outlet, oil inlet is connected with oil pump 12, supply fan 14 is arranged on air intlet, and waste gas outlet is used for getting rid of burning waste gas.
Wherein, when receiving heating starting signal, the oil that controller control oil pump 12 starts to pump in fuel tank 11 is to combustor 13, and control supply fan 14 and start to drive air into combustor 13, and control point firearm lights the mixture of the oil in combustor 13 and air, so that the mixture burning of oil and air provides heat energy.
Specifically, such as, store diesel oil in fuel tank 11, when oil pump 12 works, diesel oil is made to flow out to combustor 13 from fuel tank 11, combustor 13 is the place of diesel combustion, also be with add hot cell 22 coordinate so that condensing agent heating and temperature raise region, fresh air is pumped in combustor 13 by the supply fan 14 of air, mix with diesel oil, enough oxygen is provided for diesel combustion, controller can control the proportioning of diesel fuel supply amount and air capacity, the each quantity delivered making diesel oil carries out mixed configuration with amount of fresh air according to optimum air-fuel ratio, guarantee the adequacy of diesel combustion, discharge enough heats, improve the economy of fuel oil, waste gas after diesel combustion is discharged by waste gas outlet.
As in figure 2 it is shown, heat power supply device 10 also includes acoustic filter 15, acoustic filter 15 is arranged on the waste gas outlet of combustor 13, and namely waste gas processes through acoustic filter 15, more environmentally-friendly.
As shown in Figure 2, the heating control system 100 of electrokinetic cell also includes the first proportioning valve 40, first proportioning valve 40 is arranged on circulation line 20, and it is arranged on the entrance of electrokinetic cell bag 30, controller is additionally operable to when receiving heating starting signal, control oil pump 12, supply fan 14, circulating pump 21 and the first proportioning valve 40 are opened, and control the aperture of the first proportioning valve 40 according to the temperature of electrokinetic cell.
The heating control system 100 of electrokinetic cell also includes the first temperature sensor and battery manager, the temperature of the first temperature sensor detection electrokinetic cell；Battery manager judge the temperature of electrokinetic cell lower than preset temperature such as 0 DEG C time send heating starting signal, and then controller controls circulating pump 21, oil pump 12 and supply fan 14 and works.Or, battery manager sends heat request signal to controller when the temperature of electrokinetic cell is lower than preset temperature, controller is according to this heat request signal prompt user, and then user operates further when finding heat request signal and starts the computer heating control to electrokinetic cell afterwards.
In one embodiment of the invention, heating control system 100 also includes battery heating starting device, battery heating starting device sends heating starting signal to controller when receiving user operation instruction, when controller receives heating starting instruction, control heat power supply device 10 and circulating pump 21 starts, electrokinetic cell is heated.Specifically, battery heating starting device can include being arranged in driver's cabin local button that driver easily contacts and operate, after operating this button, represent the computer heating control started electrokinetic cell.
Or, heating control system 100 also includes suggestion device such as ICM, controller is when receiving the heat request signal that battery manager sends, control suggestion device output heating information, to point out user to carry out battery heating operation, for example, it is possible to operation battery heating starting device, to start the computer heating control to electrokinetic cell.
On the other hand, pure electric automobile is different from conventional truck, undertaken freezing or heating by belt drive compressor as power source by electromotor, most pure power vehicles consume electric energy by the electrokinetic cell of self to provide energy for electric air-conditioning compressor, and then the electrokinetic cell utilisable energy when temperature low such as winter is reduced, create a further reduction continual mileage.
For the problems referred to above, with reference to shown in Fig. 2, the battery heating system 100 of the pure power vehicle of the embodiment of the present invention also includes heat exchanger 50 and blower fan 60, heat exchanger 50 is arranged on circulation line 20, condensing agent after heating is divided into two-way, wherein, one road condensing agent inputs to electrokinetic cell bag 30, another road condensing agent inputs to heat exchanger 50 so that the air flowing through heat exchanger 50 to be heated, after controller receives heating enabling signal, control blower fan 60 to start, so that blower fan 60 drives air through heat exchanger 50, air through heat exchanger 50 absorbs heat and enters in the compartment of pure electric automobile and warms oneself for user.
As shown in Figure 2, the heating control system 100 of this electrokinetic cell also includes the second proportioning valve 70 and switch valve 80, second proportioning valve 70 and switch valve 80 are separately positioned on circulation line 20, and second proportioning valve 70 be arranged on the entrance of heat exchanger 50, switch valve 80 is arranged on the outlet of heat exchanger 50, and controller controls the second proportioning valve 70 and switch valve 80 according to heating enabling signal.
The heating control system 100 of this electrokinetic cell also includes the second temperature sensor, and the second temperature sensor is used for the temperature detecting in the compartment of pure electric automobile, and controller controls the aperture of the second proportioning valve 70 according to the temperature in compartment.
Specifically, in an embodiment of the present invention, first proportioning valve 40 and the second proportioning valve 70 ensure that and freely open in 0-100% aperture or completely close, any open position can also be kept, controller can control to flow into the flow of the higher condensing agent of the temperature of electrokinetic cell bag 30 stream or heat exchanger 50 stream by controlling proportioning valve aperture, and then it is just different to enter the temperature in electrokinetic cell bag 30 or compartment, namely variations in temperature is controlled, temperature to ensure electrokinetic cell maintains preferably operating temperature, or the temperature in control compartment maintains comfortable temperature.
The heating control system 100 of the electrokinetic cell of the embodiment of the present invention also includes heating and starts device, heating starts device and is used for receiving user's triggering command to send heating enabling signal to controller, and then controller carries out heating control according to heating enabling signal, such as control the second proportioning valve 70 to open, control blower fan 60 to start, so that hot-air enters in compartment, meet heating demand.Specifically, heating starts device and may be mounted at the place that in driver's cabin, driver easily contacts and operates, and operates this device and namely represents the demand having warm braw to heat in driver or compartment.
nullBased on described above，As shown in Figure 3，Specifically，Battery manager (BMS,BATTERYMANAGEMENTSYSTEM) the temperature signal such as voltage analog signal of the electrokinetic cell that the first temperature sensor gathers is gathered，And resolve to the temperature signal of electrokinetic cell，Judge that under current state, electrokinetic cell is the need of being heated according to temperature value，If needing heating, send heating starting signal to controller such as car body controller (VCU,Vehiclecontrolunit)，Or，Send heat request signal to VCU，VCU receives heat request signal such as has demand for heat or without controlling display device such as ICM (ImageColorManagement after demand for heat，Image color management system) show to point out driver，And then driver can operate heating starting device to send heating starting signal to VCU，Or，VCU can receive, either directly through rigid line, the heating starting signal that battery heating starting device sends.After VCU receives heating starting signal, send the control signal of circulating pump 21 and start so that condensing agent is at circulation line 20 internal recycle controlling circulating pump 21, the control signal of concurrent oil outlet pump 12 pumps oily to combustor 13 with control oil pump 12 startup, and send the control signal of supply fan 14 and start so that ozone enters burner 13 controlling supply fan 14, control point firearm lights the mixing gas in combustor 13 to provide heat, and control the first proportioning valve 40 and open and control its aperture, it is achieved the heating to electrokinetic cell；Additionally, controller can pass through rigid line and receive warming by air conditioner enabling signal, judge whether driver has out the demand of warm braw, if receiving heating enabling signal, then VCU control circulating pump 21, oil pump 12, supply fan the 14, second proportioning valve 70 and switch valve 80 are opened, and control the aperture of the second proportioning valve 70.
Wherein, computer heating control and heating control to electrokinetic cell can carry out simultaneously, but after the one-sided control for heating or warm oneself terminates, controller needs to judge whether to cut out all parts of whole heating system, affects warm oneself or heating to avoid judging by accident.Such as, if when carrying out heating and controlling, user operates heating startup device by force and carries out resetting to stop heating control, controller detects that heating starts the reset signal of device, and then judge whether electrokinetic cell is in heated condition, if being in heated condition, then control the second proportioning valve 70 and switch valve 80 cuts out, keep circulating pump 21, oil pump 12, supply fan 14 and the first proportioning valve 40 to open；If being not in heated condition, then control circulating pump 21, oil pump 12, supply fan the 14, first proportioning valve the 40, second proportioning valve 70 and switch valve 80 and close.Similarly, such as, at pure electric automobile when fast mold filling formula, when the temperature of electrokinetic cell is within the scope of 15-25 DEG C, controls electrokinetic cell and fill soon, after the fully charged or artificial stopping charging of electrokinetic cell, controller has further determined whether heating demand, if there being heating demand, then controls circulating pump 21, oil pump 12, supply fan the 14, second proportioning valve 70 and switch valve 80 and opens, without heating demand, then control all parts and close.
In sum, the electrokinetic cell heating control system 100 of the pure electric automobile of the embodiment of the present invention, ensure that electrokinetic cell works in suitable operating temperature always, especially in the such as winter when temperature is relatively low, it is possible to extend the service life of electrokinetic cell, continual mileage in winter is improved, besides, adopt fuel efficient burning to solve the heating problem of electric automobile, reduce the energy loss of electrokinetic cell, improve continual mileage further.And it is different from correlation technique, can only under trickle charge pattern to electrokinetic cell heating, and the heating control system 100 of the embodiment of the present invention is when fast mold filling formula or operational mode, can electrokinetic cell be heated.
The heating control system of electrokinetic cell based on the pure electric automobile of above-mentioned aspect embodiment, another aspect of the present invention also proposes a kind of pure electric automobile, as shown in Figure 4, this pure electric automobile 1000 includes the heating control system 100 of above-mentioned aspect embodiment, by above-mentioned heating control system 100, the electrokinetic cell life of pure electric automobile 100, the continual mileage when low temperature travels improves.
Based on the electrokinetic cell heating control system of the pure electric automobile of above-mentioned aspect embodiment, below the electrokinetic cell method for heating and controlling of the pure electric automobile of another aspect of the invention embodiment is illustrated.Wherein, as it is shown in figure 1, pure electric automobile includes heat power supply device, circulation line and controller, and the electrokinetic cell bag of pure electric automobile is connected to circulation line.
Fig. 4 is the flow chart of the electrokinetic cell method for heating and controlling of pure electric automobile according to an embodiment of the invention, and as shown in Figure 4, the method comprises the following steps:
S1, controller, when receiving heating starting signal, controls heat power supply device and starts so that heat power supply device provides heat energy.
Wherein, in one embodiment of the invention, pure electric automobile also includes battery heating starting device, when battery heating starting device receives the operational order of user, sends heating starting signal to controller.Or, in another embodiment of the present invention, by detecting the temperature of electrokinetic cell, the battery manager of pure electric automobile obtains temperature of powered cell, wherein, battery manager sends heating starting signal or heat request signal when judging that the temperature of electrokinetic cell is lower than preset temperature to controller, wherein, electrokinetic cell under current environment be can be understood as heat request signal and have demand for heat, controller controls the suggestion device of pure electric automobile and issues the user with heating information when receiving heat request signal, so that user sends heating starting signal by the battery heating starting device of pure electric automobile to controller, controller such as vehicle control unit controls heat power supply device starts, and perform step S2.
S2, the circulating pump that controller controls to arrange on circulation line starts to drive condensing agent at circulation line internal recycle, wherein, condensing agent flows through the heat energy absorbing heat power supply device offer when adding hot cell with heating-condensing agent, when the condensing agent after heating is recycled to electrokinetic cell bag, the electrokinetic cell in electrokinetic cell bag is heated.
The electrokinetic cell method for heating and controlling of the pure electric automobile of the embodiment of the present invention, start by controlling heat power supply device to provide heat energy, and by the condensing agent absorption heat energy input in circulation line to electrokinetic cell bag, realize the heating to electrokinetic cell, ensure the operating temperature of electrokinetic cell, such that it is able to extend the life-span of electrokinetic cell, improve continual mileage when running under low temperature environment.
Further, circulation line also sets up the first proportioning valve, wherein, when electrokinetic cell is heated, the temperature information of electrokinetic cell is also sent to controller by battery manager, controller controls the aperture of the first proportioning valve to regulate the flow of the condensing agent being recycled to electrokinetic cell bag according to the temperature information of electrokinetic cell, namely regulates the temperature of electrokinetic cell, to maintain preferably operating temperature.
Further, before being heated controlling, the mode of operation of detection pure electric automobile, heating starting signal can be sent when pure electric automobile is in the temperature of fast mold filling formula or trickle charge pattern or operational mode and electrokinetic cell lower than preset temperature.From correlation technique it can be seen that battery heating function is to heat with battery PTC film, and only just having battery heating function when trickle charge pattern, during operational mode, the temperature of electrokinetic cell is it cannot be guaranteed that in suitable temperature range.And the method for heating and controlling of the embodiment of the present invention, the computer heating control of electrokinetic cell is carried out when fast mold filling formula and operational mode, heat time heating time is short and effective, it is possible to solve the problem that during low temperature such as winter, power battery charging is slow and continual mileage is short.
Additionally, the current warm braw on pure electric vehicle is mostly electric air-conditioning, the energy utilized is the electricity of electrokinetic cell, gives and was originally affected the bigger burden of a lot of electrokinetic cell band of utilisable energy reduction by chilling temperatures, is willing out warm braw even at cold a lot of driver in winter.And in the method for heating and controlling of the embodiment of the present invention, it is possible to use fuel mode solves warm braw problem, solves to open warm braw winter and causes the further lowering of difficult problem of vehicle continual mileage.
In an embodiment of the present invention, pure electric automobile also includes blower fan and the heat exchanger being arranged on circulation line, heat exchanger is arranged on circulation line, condensing agent after heating is divided into two-way, wherein, one road condensing agent inputs to electrokinetic cell bag, another road condensing agent inputs to heat exchanger, controller controls fan starting so that blower fan drives air through heat exchanger when receiving heating enabling signal, the heat of condensing agent warming oneself for user in entering the compartment of pure electric automobile in the air absorption heat-exchange device of heat exchanger, such that it is able to drive the motor of electric air-conditioning to run by fuel mode, meet heating demand, reduce the heating consumption to electrokinetic cell electricity.
Wherein, pure electric automobile also includes heating startup device, it is judged that when whether user has heating demand, and entire car controller detection heating starts whether device receives the triggering command of user；Heating starts device and sends heating enabling signal when receiving the triggering command of user to controller, and then controller controls heat power supply device and starts and control fan starting, realizes user's heating in the compartment of pure electric automobile.
Further, circulation line also sets up the second proportioning valve and switch valve, such as, second proportioning valve and switch valve are separately positioned on circulation line, and second proportioning valve be arranged on the entrance of heat exchanger, switch valve is arranged on the outlet of heat exchanger, and controller also receives the temperature information in the compartment of pure electric automobile, controller, when receiving heating enabling signal, controls the second proportioning valve and switch valve is all opened；And control the aperture of the second proportioning valve to regulate the flow of the condensing agent entering heat exchanger according to the temperature information in the compartment of pure electric automobile, namely regulate the temperature in compartment.
Fig. 5 is the flow chart of the electrokinetic cell heating means of the pure electric automobile of a specific embodiment according to the present invention, and this embodiment is to control for the heating under fast mold filling formula and heating, as it is shown in figure 5, detailed process includes:
S100, it is judged that whether speed is zero, and whether mode of operation be fast mold filling formula, it is judged that whether vehicle communication is normal.
Such as, after driver is stopped, after filling rifle insertion charging pile soon, when namely vehicle is in fast mold filling formula, now judging whether GES, mode of operation communicate with each controller normal, if meeting above-mentioned condition, then performing step S101 and S110 simultaneously.
S101, it is judged that whether battery manager (BMS) sends battery demand for heat, it is judged that whether entire car controller receives this battery heat request signal, if performing step S102, otherwise continues this step.
S102, controls suggestion device such as ICM and shows " request battery heating " printed words.
S103, it is judged that whether battery heating starting device is in triggering state, if it is, perform step S104, otherwise returns step S102.
Specifically, if VCU receives the battery demand for heat that battery manager sends, then VCU is sent to the relevant CAN signal of instrument ICM, instrument shows " battery request heating " printed words, now driver sees the information that instrument is pointed out, can be by " battery heating starting button " presses, and VCU receives heating starting signal.
S104, vehicle control unit controls circulating pump, oil pump, supply fan work, and control the first proportioning valve and open, and control the second proportioning valve and switch valve cuts out, blower fan quits work.
Specifically, VCU controls circulating pump, oil pump, supply fan work, control the first proportioning valve and open corresponding aperture, circulating pump drives the condensing agent in circulating line to flow, now a certain amount of fuel oil and fresh air are blended in burning Indoor Combustion, release heat, the condensing agent flowing through combustor is heated, the temperature of condensing agent obtains bigger raising, condensing agent coolant after heating flows through electrokinetic cell box house, battery cell relatively low for temperature is heated and is incubated, makes battery be in the operating temperature range that a service behaviour is best.
S105, it is judged that whether the temperature of electrokinetic cell is in default operating temperature range, for instance temperature of powered cell is at 15-25 DEG C, if yes then enter step S106, otherwise returns step S104.
Specifically, when the temperature of the electrokinetic cell that BMS parsing gathers is within the scope of 15-25 DEG C, the temperature range that performance of lithium ion battery performance is outstanding, electrokinetic cell fills soon, now electrokinetic cell has relatively larger charging quickly stream, can save the charging interval, and electrokinetic cell is in suitable temperature and works, and also ensure that the service life of electrokinetic cell.All can there be great raising the saving time for the rate of attendance and the operation time of car especially taxi, it is ensured that user uses car demand；If the temperature of electrokinetic cell, within the scope of 15-25 DEG C, does not proceed heating function, does not fill action soon.
S106, electrokinetic cell fills control soon.
S107, it is judged that whether the electricity of electrokinetic cell is full of or artificially stops charging, if it is, enter step S108, otherwise continues step S104.
S108, it may be judged whether have warm braw demand, if it has, then perform step S111, otherwise performs step S109.
Electrokinetic cell fills after end soon or charge requirement is filled in artificial termination soon, and now VCU judges whether driver has warm braw to open demand, being namely whether heater switch is in down state, if being in down state, then it represents that there is warm braw demand, otherwise not having warm braw demand.
S109, VCU control circulating pump, oil pump, supply fan, the first proportioning valve, the second proportioning valve and switch valve closedown, blower fan and quit work.
S110, it may be judged whether receive heating enabling signal, namely judges whether driver triggers heating and start device, if it is, enter step S111, otherwise enters step S114.
S111, VCU control circulating pump startup, pump start, supply fan work, the second proportioning valve and switch valve is opened, blower fan work.
S112, it is judged that heating starts whether device resets, demand of namely not warming oneself, if it is, enter step S113, otherwise returns step S111.
S113, it is judged that whether electrokinetic cell is in heated condition, if it is, perform step S104, otherwise performs step S114.
S114, VCU control circulating pump, oil pump, blower fan, supply fan quit work, the second proportioning valve and switch valve are closed.
Fig. 6 is the flow chart of the electrokinetic cell heating means of the pure electric automobile of a specific embodiment according to the present invention, and this embodiment is to control for the heating under operational mode and heating, and as shown in Figure 6, detailed process includes:
S200, it is judged that whether mode of operation is normal operation mode, and judge whether communication is normal.
When driver's normal driving runs, now judge that whether mode of operation and each controller communication be normal；If abnormal, do not carry out next step action, if normally carry out step S201 and S208 simultaneously.
S201, it is judged that whether battery manager (BMS) sends battery demand for heat, it is judged that whether entire car controller (VCU) receives this battery heat request signal, if performing step S202, otherwise continues this step.
S202, controls suggestion device such as ICM and shows " request battery heating " printed words.
S203, it is judged that whether battery heating starting device is in triggering state, if it is, perform step S104, otherwise returns step S102.
Specifically, if VCU receives the battery demand for heat that battery manager sends, then VCU is sent to the relevant CAN signal of instrument ICM, instrument shows " battery request heating " printed words, now driver sees the information that instrument is pointed out, can be by " battery heating starting button " presses, and VCU receives heating starting signal.
S204, vehicle control unit controls circulating pump, oil pump, supply fan work, and control the first proportioning valve and open, and control the second proportioning valve and switch valve cuts out, blower fan quits work.
Specifically, VCU controls circulating pump, oil pump, supply fan work, control the first proportioning valve and open corresponding aperture, circulating pump drives the condensing agent in circulating line to flow, now a certain amount of fuel oil and fresh air are blended in burning Indoor Combustion, release heat, the condensing agent flowing through combustor is heated, the temperature of condensing agent obtains bigger raising, condensing agent coolant after heating flows through electrokinetic cell box house, battery cell relatively low for temperature is heated and is incubated, makes battery be in the operating temperature range that a service behaviour is best.
S205, it is judged that whether the temperature of electrokinetic cell is in default operating temperature range, for instance temperature of powered cell is at 15-25 DEG C, if yes then enter step S206, otherwise returns step S204.
Specifically, when the temperature of the electrokinetic cell that BMS parsing gathers is within the scope of 15-25 DEG C, the temperature range that performance of lithium ion battery performance is outstanding.Electrokinetic cell is in suitable operating temperature, charge-discharge electric power is all relatively larger, meet car owner's dynamic property demand, also the energy regenerating demand of high intensity is met, also have very big benefit be exactly electrokinetic cell in suitable temperature range time, utilisable energy is more than big time low of temperature, it is ensured that the continual mileage of vehicle, also ensure that the service life of electrokinetic cell.
S206, it may be judged whether have warm braw demand, if it has, then perform step S209, otherwise performs step S207.
Operationally, whether VCU real-time judgment driver has warm braw to open demand, being namely whether heater switch is in down state, if being in down state, then it represents that there is warm braw demand, otherwise not having warm braw demand.
S207, VCU control circulating pump, oil pump, supply fan, the first proportioning valve, the second proportioning valve and switch valve closedown, blower fan and quit work.
S208, it may be judged whether receive heating enabling signal, namely judges whether driver triggers heating and start device, if it is, enter step S209, otherwise enters step S212.
S209, VCU control circulating pump startup, pump start, supply fan work, the second proportioning valve and switch valve is opened, blower fan work.
S210, it is judged that heating starts whether device resets, demand of namely not warming oneself, if it is, enter step S211, otherwise returns step S209.
S211, it is judged that whether electrokinetic cell is in heated condition, if it is, perform step S204, otherwise performs step S212.
S212, VCU control circulating pump, oil pump, blower fan, supply fan quit work, the second proportioning valve and switch valve are closed.
Generally speaking, the electrokinetic cell method for heating and controlling of the pure electric automobile of the embodiment of the present invention, the remaining heat electrokinetic cell of heating can be utilized while realizing heating, put forward high-octane utilization rate, electrokinetic cell is kept to be operated in suitable operating temperature, automobile low temperature such as continual mileage in winter can be significantly improved, extend the service life of electrokinetic cell, be particularly suited for pure DYN dynamic taxi.
In the description of this specification, describe in flow chart or in this any process described otherwise above or method and be construed as, represent and include one or more module for the code of the executable instruction of the step that realizes specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss, including according to involved function by basic mode simultaneously or in the opposite order, perform function, this should be understood by embodiments of the invention person of ordinary skill in the field.
Represent in flow charts or in this logic described otherwise above and/or step, such as, it is considered the sequencing list of executable instruction for realizing logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (such as computer based system, including the system of processor or other can from instruction execution system, device or equipment instruction fetch the system performing instruction), or use in conjunction with these instruction execution systems, device or equipment.For the purpose of this specification, " computer-readable medium " can be any can comprise, store, communicate, propagate or transmission procedure is for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium includes following: have the electrical connection section (electronic installation) of one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read only memory (ROM), erasable edit read only memory (EPROM or flash memory), fiber device, and portable optic disk read only memory (CDROM).Additionally, computer-readable medium can even is that the paper that can print described program thereon or other suitable media, because can such as by paper or other media be carried out optical scanning, then carry out editing, interpreting or be processed to electronically obtain described program with other suitable methods if desired, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple steps or method can realize with the storage software or firmware in memory and by suitable instruction execution system execution.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic of logic gates for data signal realizes logic function, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries can be by the hardware that program carrys out instruction relevant and complete, described program can be stored in a kind of computer-readable recording medium, this program upon execution, including the step one or a combination set of of embodiment of the method.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (20)
1. the electrokinetic cell heating control system of a pure electric automobile, it is characterised in that including:
Heat power supply device, described heat power supply device is used for providing heat energy；
Circulation line, described circulation line arranges circulating pump and adds hot cell, and the electrokinetic cell bag of described pure electric automobile is connected to described circulation line, wherein, described circulating pump is used for driving condensing agent at described circulation line internal recycle, described condensing agent absorbs heat energy that described heat power supply device provides when adding hot cell with heated described in flowing through, and when the condensing agent after heating is recycled to described electrokinetic cell bag, the electrokinetic cell in described electrokinetic cell bag is heated；With
Controller, described controller controls described heat power supply device and described circulating pump according to heating starting signal.
2. the electrokinetic cell heating control system of pure electric automobile as claimed in claim 1, it is characterised in that described heat power supply device includes:
Fuel tank, oil pump, combustor, supply fan and lighter, described combustor arranges oil inlet, air intlet and waste gas outlet, described oil inlet is connected with described oil pump, and described supply fan is arranged on described air intlet, and described waste gas outlet is used for getting rid of burning waste gas；
Wherein, when receiving described heating starting signal, the described controller described pump start of control is to pump in the oil extremely described combustor in described fuel tank, and control the startup of described supply fan to drive air into described combustor, and control described lighter and light the mixture of the oil in described combustor and air, so that the burning of described mixture provides described heat energy.
3. the electrokinetic cell heating control system of pure electric automobile as claimed in claim 2, it is characterised in that described heat power supply device also includes:
Acoustic filter, described acoustic filter is arranged on the waste gas outlet of described combustor.
4. the electrokinetic cell heating control system of pure electric automobile as claimed in claim 2, it is characterised in that also include:
First temperature sensor, described first temperature sensor detects the temperature of described electrokinetic cell；With
Battery manager, described battery manager sends described heating starting signal or heat request signal extremely described controller when judging the temperature of described electrokinetic cell lower than preset temperature.
5. the electrokinetic cell heating control system of pure electric automobile as claimed in claim 4, it is characterised in that also include:
First proportioning valve, described first proportioning valve is arranged on described circulation line, and it is arranged on the entrance of described electrokinetic cell bag, described controller is additionally operable to when receiving described heating starting signal, control described oil pump, described supply fan, described circulating pump and described first proportioning valve to open, and the aperture of temperature described first proportioning valve of control according to described electrokinetic cell.
6. the electrokinetic cell heating control system of pure electric automobile as claimed in claim 4, it is characterised in that also include:
Suggestion device, described controller, when receiving described heat request signal, controls described suggestion device output heating information, to point out user to carry out battery heating operation.
7. the electrokinetic cell heating control system of the pure electric automobile as described in claim 1 or 6, it is characterised in that also include:
Battery heating starting device, described battery heating starting device sends described heating starting signal extremely described controller when receiving user operation instruction.
8. the electrokinetic cell heating control system of pure electric automobile as claimed in claim 1, it is characterised in that also include:
Heat exchanger and blower fan, described heat exchanger is arranged on described circulation line, condensing agent after described heating is divided into two-way, wherein, one road condensing agent input extremely described electrokinetic cell bag, another road condensing agent input extremely described heat exchanger is to be heated the air flowing through described heat exchanger, described controller controls described fan starting after receiving heating enabling signal, so that described blower fan drives air through described heat exchanger, the air through described heat exchanger absorbs heat and enters in the compartment of described pure electric automobile and warms oneself for user.
9. the electrokinetic cell heating control system of pure electric automobile as claimed in claim 8, it is characterised in that also include:
Second proportioning valve and switch valve, described second proportioning valve and described switch valve are separately positioned on described circulation line, and described second proportioning valve is arranged on the entrance of described heat exchanger, described switch valve is arranged on the outlet of described heat exchanger, and described controller controls described second proportioning valve and described switch valve according to described heating enabling signal.
10. the electrokinetic cell heating control system of pure electric automobile as claimed in claim 9, it is characterised in that also include:
Second temperature sensor, described second temperature sensor is used for the temperature detecting in the compartment of described pure electric automobile, and described controller controls the aperture of described second proportioning valve according to the temperature in described compartment.
11. the electrokinetic cell heating control system of pure electric automobile as claimed in claim 8, it is characterised in that also include:
Heating starts device, and described heating starts device and is used for the triggering command receiving user to send described heating enabling signal extremely described controller.
12. a pure electric automobile, it is characterised in that include the electrokinetic cell heating control system as described in any one of claim 1-11.
13. the electrokinetic cell method for heating and controlling of a pure electric automobile, it is characterised in that described pure electric automobile includes heat power supply device, circulation line, the electrokinetic cell bag being connected to described circulation line and controller, and described method for heating and controlling comprises the following steps:
Described controller, when receiving heating starting signal, controls described heat power supply device and starts so that described heat power supply device provides heat energy；And
The circulating pump that described controller controls to be arranged on described circulation line starts to drive condensing agent at described circulation line internal recycle, wherein, described condensing agent absorbs heat energy that described heat power supply device provides when adding hot cell with heated described in flowing through, and when the condensing agent after heating is recycled to described electrokinetic cell bag, the electrokinetic cell in described electrokinetic cell bag is heated.
14. the electrokinetic cell method for heating and controlling of pure electric automobile as claimed in claim 13, it is characterised in that also include:
The battery manager of described pure electric automobile obtains the temperature of described electrokinetic cell, wherein, described battery manager when judging that the temperature of described electrokinetic cell is lower than preset temperature to the described controller described heating starting signal of transmission or heat request signal.
15. the electrokinetic cell method for heating and controlling of pure electric automobile as claimed in claim 14, it is characterized in that, described controller controls the suggestion device of described pure electric automobile and issues the user with heating information when receiving described heat request signal, so that described user sends described heating starting signal by the battery heating starting device of described pure electric automobile to described controller.
16. the electrokinetic cell method for heating and controlling of pure electric automobile as claimed in claim 14, it is characterized in that, described circulation line also sets up the first proportioning valve, wherein, when described electrokinetic cell is heated, the temperature information of described electrokinetic cell is also sent to described controller by described battery manager, and described controller controls the aperture of described first proportioning valve to regulate the flow of the condensing agent being recycled to described electrokinetic cell bag according to the temperature information of described electrokinetic cell.
17. the electrokinetic cell method for heating and controlling of the pure electric automobile as described in claim 13 or 15, it is characterised in that the battery heating starting device of described pure electric automobile sends described heating starting signal extremely described controller when receiving the operational order of user.
18. the electrokinetic cell method for heating and controlling of pure electric automobile as claimed in claim 13, it is characterized in that, described pure electric automobile also includes blower fan and the heat exchanger being arranged on described circulation line, described controller controls described fan starting when receiving heating enabling signal, so that described blower fan drives air through described heat exchanger, warm oneself for user in the air of described heat exchanger absorbs the heat of condensing agent in described heat exchanger and enters the compartment of described pure electric automobile.
19. the electrokinetic cell method for heating and controlling of pure electric automobile as claimed in claim 18, it is characterized in that, described circulation line also sets up the second proportioning valve and switch valve, described controller also receives the temperature information in the compartment of described pure electric automobile, described controller is when receiving described heating enabling signal, control described second proportioning valve and described switch valve is all opened, and control the aperture of described second proportioning valve to regulate the flow of the condensing agent entering described heat exchanger according to the temperature information in the compartment of described pure electric automobile.
20. the electrokinetic cell method for heating and controlling of pure electric automobile as claimed in claim 19, it is characterised in that the heating startup device of described pure electric automobile sends described heating enabling signal extremely described controller when receiving the triggering command of user.
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