CN103855444A - Heating system of electric car battery pack and electric car - Google Patents
Heating system of electric car battery pack and electric car Download PDFInfo
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- CN103855444A CN103855444A CN201210521707.8A CN201210521707A CN103855444A CN 103855444 A CN103855444 A CN 103855444A CN 201210521707 A CN201210521707 A CN 201210521707A CN 103855444 A CN103855444 A CN 103855444A
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
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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
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a heating system of an electric car battery pack. The heating system comprises a battery pack, a heating module, a first switch, a second switch, a charging module, an external power supply module and a control module, wherein the heating module is used for heating the battery pack; one end of the first switch is connected with the battery pack, and one end of the second switch is connected with the heating module; the charging module is connected with the other end of the first switch and the other end of the second switch; the external power supply module is connected with the charging module, and the external power supply module is used for respectively powering the heating module and charging the battery pack through the charging module; the control module is connected with the first switch, the second switch and the battery pack and used for controlling the on or off of the first switch and the second switch according to the temperature of the battery pack. The heating system is used for heating and charging the battery pack through the external power supply way, so that not only does a heating port not added or charging port need to be changed, but also the cost is greatly reduced, the charging acceptance capability of the battery is improved, and simplicity and easiness in implementation can be realized. The invention also provides an electric car.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly a kind of heating system of batteries of electric automobile group and a kind of electric automobile.
Background technology
At present, electric automobile is owing to requiring driving power high, and continual mileage is long, and its energy-storage system adopts multiple batteries connection in series-parallel composition more.In actual use procedure, due to the restriction of current battery technology, in the winter of severe cold, in order to ensure that vehicle normally uses, often will design firing equipment electrokinetic cell is heated to ensure that the startup of battery or charging accept performance, particularly, for main a kind of electrokinetic cell---the ferric phosphate lithium cell adopting at present, charging performance is poor at low temperatures, more need custom-designed heater to heat battery, to ensure charging normal of battery.
Conventionally, the optimum working temperature of electric automobile electrokinetic cell used, be that battery charging and discharging temperature is about 20～45 DEG C, in the winter time or when severe cold area uses as-25 DEG C of following temperature, the discharge performance of electrokinetic cell, charge acceptance are all subject to low temperature effect and greatly decline.If electrokinetic cell is arranged bottom, chassis, often be difficult to seal completely, in driving and charging process, the spontaneous heat of battery is often not enough to maintain the temperature of battery pack, cause battery temperature too low, particularly, in the time of the Outdoor Parking long period, battery temperature is often reduced to very low temperature as-25 DEG C, and causing filling soon still trickle charge is all inefficiency.The problems referred to above have affected the charge acceptance of electric automobile under severe cold environment greatly, even cause and cannot charge, vehicle cannot stagnation of movement etc. catastrophe failure, seriously limited it and used the scope of promoting.
In prior art, attemperating unit is normally set in battery pack, simultaneously at the inner electric heating material that adds of battery pack, BMS (Battery Management System, battery management system) when battery cell ambient temperature detected lower than design temperature, attemperating unit is started working, utilize the battery electric quantity of battery pack itself to heat battery, when temperature is closed heating during higher than design temperature automatically.Or adopt the mode of external power supply heating, need to design external power interface and will have direct current or the AC power of specialized designs coupling with it.
The shortcoming that prior art exists is: the mode of utilizing the energy of battery pack own to heat has consumed just very limited energy of battery pack itself, particularly at electrokinetic cell in the time that power shortage state need to charge, if the energy that recycling battery pack itself stores carries out heating battery, will make battery pack power shortage more, when serious, even cause the overdischarge of electrokinetic cell, affect the life-span of battery pack.Utilize the mode of external power supply heating often to need to change the charging inlet of electric automobile, maybe need to increase external power source interface, both increased extra cost, be inconvenient to again manage.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For this reason, first object of the present invention is to propose a kind of heating system of batteries of electric automobile group, this heating system heats battery pack by external power source mode and charges, need not increase and add hot interface or change charging inlet, greatly reduce cost, improve battery charge acceptance, and be simple and easy to implement.
Second object of the present invention is also to propose a kind of electric automobile.
For achieving the above object, the heating system of a kind of batteries of electric automobile group that one aspect of the present invention embodiment proposes, comprising: battery pack; Heating module, for heating described battery pack; The first switch and second switch, one end of described the first switch is connected with described battery pack, and one end of described second switch is connected with described heating module; Charging module, described charging module is connected with the other end of described the first switch and the other end of described second switch respectively; External power supply module, described external power supply module is connected with described charging module, and described external power supply module is passed through described charging module to described heating module power supply with to described batteries charging; Control module, described control module is connected with described the first switch, described second switch and described battery pack, for according to disconnection or the closure of the first switch described in the temperature control of described battery pack and second switch.
According to the heating system of the batteries of electric automobile group of the embodiment of the present invention, by external power source mode, battery pack heated and charge, save battery pack originally with regard to limited energy, and need not increase and add hot interface or change charging inlet, electric automobile can either be charged according to the charging modes of national regulation, can under the prerequisite that meets charging modes, realize again the heating to battery, improve the charge acceptance of electrokinetic cell, realized and also can charge to battery pack in the open air, area of severe cold.In addition, this system provides cost savings, easy enforcement simple in structure.
In one embodiment of the invention, described in the time that the temperature of described battery pack is less than the first temperature threshold, control module control second switch is closed and keep described the first switch to disconnect so that described heating module heats described battery pack.
Further, described in the time that the temperature of described battery pack is more than or equal to the first temperature threshold and is less than or equal to the second temperature threshold, described in control module control, second switch disconnects, closed so that the described charging module of the first switch charges to described battery pack, wherein, described the second temperature threshold is greater than described the first temperature threshold.
Control module heats battery pack according to the temperature of battery pack or charges, and can ensure that battery pack charges at most suitable temperature, has improved the charging performance of battery pack, has extended the useful life of battery pack.
In one embodiment of the invention, described control module intercoms mutually with described charging module, the output current of charging module described in described control module control.
In another embodiment of the present invention, when described external power supply module output AC electricity, described charging module also comprises converting unit, and described converting unit is for converting the alternating current of described external power supply module output to direct current.
In one embodiment of the invention, described charging module is Vehicular charger.
In another embodiment of the present invention, described charging module is non-vehicle-mounted motor.
For achieving the above object, a second aspect of the present invention embodiment has proposed a kind of electric automobile, and this electric automobile comprises the heating system of the batteries of electric automobile group of first aspect embodiment proposition.
According to the electric automobile of the embodiment of the present invention, by adopting the heating system of batteries of electric automobile group, can ensure under cold environment, for the battery pack of electric automobile heats and charges, electric automobile can normally move.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Brief description of the drawings
The present invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments obviously and easily and understand, wherein:
Fig. 1 is according to the structural representation of the heating system of the batteries of electric automobile group of the embodiment of the present invention;
Fig. 2 is the structural representation of the heating system of batteries of electric automobile group according to an embodiment of the invention;
Fig. 3 is the flow chart of charging module according to an embodiment of the invention system works while being Vehicular charger; And
Fig. 4 is the flow chart of charging module according to another embodiment of the invention system works while being non-Vehicular charger.
Embodiment
Describe embodiments of the invention below in detail, 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 identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts to specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to description and accompanying drawing below, these and other aspects of embodiments of the invention will be known.In these descriptions and accompanying drawing, specifically disclose some specific implementations in embodiments of the invention, represent some modes of the principle of implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise all changes, amendment and the equivalent within the scope of spirit and the intension that falls into additional claims.
1 to Fig. 4 describe according to the heating system of a kind of batteries of electric automobile group of first aspect present invention embodiment proposition with reference to the accompanying drawings.
The heating system of the batteries of electric automobile group that as shown in Figure 1, the embodiment of the present invention proposes comprises battery pack 101, heating module 102, the first switch 103, second switch 104, charging module 105, external power supply module 106 and control module 107.Wherein, heating module 102 is for heating battery pack.One end of the first switch 103 is connected with battery pack 101, and one end of second switch 104 is connected with heating module 102.Charging module 105 is connected with the other end of second switch 104 with the other end of the first switch 103 respectively.External power supply module 106 is connected with charging module 105, and external power supply module 106 powers and charge to battery pack 101 to heating module 102 by charging module 105.Control module 107 is connected with the first switch 103, second switch 104 and battery pack 101, for according to temperature control first switch 103 of battery pack 101 and disconnection or the closure of second switch 104.
In one embodiment of the invention, as shown in Figure 1, external power supply module 106 is powered for heating module 102 by charging module 105, and heating module 102 is generated heat, thereby for battery pack 101 provides heat, can also power for battery pack 101.Wherein, charging module 105 can step-down be filtered into heating module 102 and battery pack 101 provides stable electric current.In addition, the active material that charging module 105 can activated batteries pole plate loses efficacy, extends the useful life of battery pack 101, can accelerate to greatest extent the chemical reaction velocity of battery pack 101, shorten the time that battery pack 101 reaches fully charged state, improve service efficiency and the life-span of battery pack 101.And,, control the closed of the first switch 103 and second switch 104 or disconnect according to the temperature of battery pack 101 by control module 107, heating module 102 is heated for battery pack 101, or charging module 105 is charged to battery pack 101.In one embodiment of the invention, in the time that the temperature of battery pack 101 is less than the first temperature threshold, control module 107 is controlled second switch 104 closures and is kept the first switch 103 to disconnect, even if charging module 105 provides electric current for heating module 102, heating module 102 is generated heat, battery pack 101 is heated.In the time that the temperature of battery pack 101 is more than or equal to the first temperature threshold and is less than or equal to the second temperature threshold control module 107 control that second switch 104 disconnects, the first switch 103 closures so that charging module 105 battery pack 101 is charged.Wherein, the second temperature threshold is greater than the first temperature threshold.
In one embodiment of the invention, control module 107 is by CAN(Control Area Network, controller area network) bus intercoms mutually with charging module 105, and control module 107 is controlled the output current of charging module 105.That is to say, control module 107, according to the maximum supply current of external power supply module 106, is controlled the output current of charging module 105, powers, simultaneously the temperature of Real-Time Monitoring battery pack 101 to heating module 102.In the time that battery pack 101 is charged, control module 107 is adjusted charging module 105 in real time output current according to the charge acceptance of battery pack 101 charges to battery pack 101.
As shown in Figure 2, further, when external power supply module 106 output AC electricity, charging module 105 also comprises converting unit 201, and converting unit 201 converts direct current to for the alternating current that external power supply module 106 is exported.In the present embodiment, charging module 105 can be Vehicular charger.External power supply module 106 is connected to Vehicular charger by alternating-current charging interface, and Vehicular charger converts alternating current to direct current by its converting unit 201, then is divided into Liang Ge branch, is respectively that heating module 102 is powered or charges to battery pack 101.
In one embodiment of the invention, control module 107 can be BMS(Battery Management System, battery management system).Charging module 105 is by 106 power takings of external power supply module, convert direct current to, then be divided into two branch roads, first branch road is exported to battery pack 101, second direct current branch exported to for example PTC PTC material of heating module 102(), the first switch 103 and second switch 104 are set respectively on these two branch roads and control the break-make of two direct currents, switch is controlled by BMS, and BMS is connected with charging module 105 and interactive information by CAN bus in addition.
As shown in Figure 3, in one embodiment of the invention, charging module 105 can be Vehicular charger, and when external power supply module 106 is output as alternating current, workflow is as follows:
S301: carry out physical connection.
The alternating current charging plug of Vehicular charger and vehicle are carried out to butt coupling, and wherein charging plug meets standard GB/T/T 20234 requirements.
S302: carry out physical connection confirmation.
The order requiring according to standard GB/T/T 20234.2, is connected respectively confirmation to vehicle with Vehicular charger.
S303: the maximum supply current of confirming Vehicular charger.
While connecting AC power, Vehicular charger obtains alternating current, and converts alternating current to direct current by converting unit 201 wherein.The mode that BMS requires by international standard is confirmed the maximum supply current of Vehicular charger.
S304: Vehicular charger output current is to heating module 102, and heating module 102 heats battery pack 101.
In the time that the temperature of battery pack 101 is less than the first temperature threshold, this first temperature threshold can be understood as suitable battery pack 101 and starts for example 20 DEG C of the temperature of charging, need to heat battery pack 101.BMS control switch second switch 104 closures, and keep the first switch 103 to disconnect, only heating module 102 is powered, in other words, what be now switched to Vehicular charger output loop is heating module 102, heats to battery pack 101, and battery pack 101 is not also charged.And send instruction startup Vehicular charger output current by CAN bus, simultaneously by the temperature of BMS Real-Time Monitoring battery pack 101.
S305: battery pack 101 is charged.
Heating module 102 is worked after certain hour, if BMS monitors the temperature of battery pack 101 when being more than or equal to the first temperature threshold and being less than or equal to the second temperature threshold, the second temperature threshold can be understood as suitable battery pack 101 carries out the maximum of charging temperature scope, for example 45 DEG C, BMS controls the first switch 103 closures, second switch 104 disconnects, to charging for battery pack 101.After the first switch 103 closures, the output current that BMS starts to adjust in real time Vehicular charger according to the charge acceptance of battery pack 101 by CAN bus charges.
In the time that battery pack 101 is full of electricity or user and stops charging, BMS disconnects the first switch 103 and second switch 104 shutdown of instruction Vehicular charger.Car load heating, charging process are so just completed.
In another embodiment of the present invention, charging module 105 can be non-Vehicular charger, while being Vehicular charger with charging module 105, difference is, while adopting Vehicular charger charging, charger need to be arranged on vehicle, the charging inlet of vehicle is alternating-current charging interface, needs to arrange converting unit 201 in charger.And vehicle adopts non-Vehicular charger for example ground charging device when charging, charging device does not need to be arranged on vehicle, and the charging inlet of vehicle is direct-current charging interface (meeting the standard of GB/T20234.3).That is to say, when external power supply module 106 is directly output as direct current, as shown in Figure 4, workflow is as follows:
S401: carry out physical connection.
By direct-current charging interface and vehicle coupling, connect by both positive and negative polarity output and the vehicle of ground charging device.
S402: determine communication connection.
Connect handshake and CAN bus, protection ground wire, accessory power supply etc. according to national GB/T 20234.3 regulations.After direct-current charging interface connects, BMS starts to carry out the mutual of some information with non-Vehicular charger by CAN bus, the communication protocol of interactive information meets GB/T 27930, specifies charging inlet and non-Vehicular charger both sides' i.e. " the charger identification message " and " on-vehicle control apparatus identification message " of some information.
S403: charger output current is to heating module 102, and heating module 102 heats battery pack 101.
Complete after handshake connected sum relevant configuration, BMS controls second switch 104 closures, keep the first switch 103 to disconnect, and start to send battery charge level demand to non-Vehicular charger, now battery pack 101 is not also connected with non-Vehicular charger, what connect is heating module 102, and the charge level that non-Vehicular charger sends according to BMS is carried out the output of electric current.
S404: battery pack 101 is charged.
Heating module 102 heats after certain hour to battery pack 101, BMS detects when the temperature of battery pack 101 is equal to or greater than the first temperature threshold, BMS controls the first switch 103 and connects, second switch 104 disconnects, being battery pack 101 charges, the same in the heating period with time image, send continuously charge level message and control the size of current that non-Vehicular charger is exported to non-Vehicular charger.In the time that battery pack 101 is full of electricity or user and stops charging, BMS disconnects for example ground charging device shutdown of the first switch 103 and second switch 104 the non-Vehicular charger of instruction.Car load heating, charging process are so just completed.
Disconnect in order to reduce second switch 104, when the first switch 103 is connected, disconnect the impact of immediate current to second switch 104 and the first switch 103 in closure, BMS is sent to the charge level of non-Vehicular charger to reduce or is eliminated impact by reduction before disconnection second switch 104, and sends charge level message to non-Vehicular charger according to the charge acceptance of real battery pack 101 after the first switch 103 is connected.
In an embodiment of the present invention, directly (non-Vehicular charger charging modes) or indirect (Vehicular charger charging modes) adopted external power supply module 106 to heat battery pack 101, meeting GB (GB/T20234.1, GB/T20234.2, GB/T20234.3, GB/T27930), under prerequisite, can realize the heating to battery pack 101 without newly-increased external power interface.And, in whole process battery pack 101 being heated and charge of the present invention, start after direct current output at Vehicular charger or non-Vehicular charger, its load is heating module 102 before this, after be battery pack 101, as broad as long for Vehicular charger or non-Vehicular charger, be all to carry out electric current output at the charge level message sending according to BMS.
According to the heating system of the batteries of electric automobile group 101 of the embodiment of the present invention, by external power source mode, battery pack 101 is heated and charged, save battery pack 101 originally with regard to limited energy, and need not increase and add hot interface or change charging inlet, electric automobile can either be charged according to the charging modes of national regulation, can under the prerequisite that meets charging modes, realize again the heating to battery 101, improve the charge acceptance of battery pack 101, realized and also can charge to battery pack 101 in the open air, area of severe cold.In addition, this system provides cost savings, easy enforcement simple in structure.
The embodiment of a second aspect of the present invention proposes a kind of electric automobile, and this electric automobile comprises the heating system of the batteries of electric automobile group 101 of first aspect present invention embodiment proposition.
According to the electric automobile of the embodiment of the present invention, by adopting the heating system of batteries of electric automobile group 101, can ensure under cold environment, for the battery pack 101 of electric automobile heats and charges, electric automobile can normally move.
Any process of otherwise describing in flow chart or at this or method are described and can be understood to, represent to comprise that one or more is for realizing module, fragment or the part of code of executable instruction of step of specific logical function or process, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by contrary order, carry out function, this should be understood by embodiments of the invention person of ordinary skill in the field.
The logic and/or the step that in flow chart, represent or otherwise describe at this, for example, can be considered to the sequencing list of the executable instruction for realizing logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (as computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), or use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can comprise, device that storage, communication, propagation or transmission procedure use for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM), the erasable read-only memory (EPROM or flash memory) of editing, fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium can be even paper or other the suitable medium that can print described program thereon, because can be for example by paper or other media be carried out to optical scanner, then edit, decipher or process in electronics mode and 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 being stored in software or the firmware carried out in memory and by suitable instruction execution system.For example, 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 for data-signal being realized to the logic gates of logic function, there is the application-specific integrated circuit (ASIC) of suitable combinational 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 is can carry out the hardware that instruction is relevant by program to complete, described program can be stored in a kind of computer-readable recording medium, this program, in the time carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium using the form of software function module.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (8)
1. a heating system for batteries of electric automobile group, is characterized in that, comprising:
Battery pack;
Heating module, for heating described battery pack;
The first switch and second switch, one end of described the first switch is connected with described battery pack, and one end of described second switch is connected with described heating module;
Charging module, described charging module is connected with the other end of described the first switch and the other end of described second switch respectively;
External power supply module, described external power supply module is connected with described charging module, and described external power supply module is passed through described charging module to described heating module power supply with to described batteries charging;
Control module, described control module is connected with described the first switch, described second switch and described battery pack, for according to disconnection or the closure of the first switch described in the temperature control of described battery pack and second switch.
2. the heating system of batteries of electric automobile group as claimed in claim 1, it is characterized in that, in the time that the temperature of described battery pack is less than the first temperature threshold described in control module control second switch closed and keep described the first switch to disconnect so that described heating module heats described battery pack.
3. the heating system of batteries of electric automobile group as claimed in claim 2, it is characterized in that, described in the time that the temperature of described battery pack is more than or equal to the first temperature threshold and is less than or equal to the second temperature threshold, described in control module control, second switch disconnects, closed so that the described charging module of the first switch charges to described battery pack, wherein, described the second temperature threshold is greater than described the first temperature threshold.
4. the heating system of the batteries of electric automobile group as described in claim 1-3 any one, is characterized in that, described control module intercoms mutually with described charging module, the output current of charging module described in described control module control.
5. the heating system of the batteries of electric automobile group as described in claim 1-3 any one, it is characterized in that, when described external power supply module output AC electricity, described charging module also comprises converting unit, and described converting unit is for converting the alternating current of described external power supply module output to direct current.
6. the heating system of batteries of electric automobile group as claimed in claim 5, is characterized in that, described charging module is Vehicular charger.
7. the heating system of battery of electric vehicle group as claimed in claim 1, is characterized in that, described charging module is non-Vehicular charger.
8. an electric automobile, is characterized in that, comprises the heating system of the batteries of electric automobile group as described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210521707.8A CN103855444A (en) | 2012-12-06 | 2012-12-06 | Heating system of electric car battery pack and electric car |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210521707.8A CN103855444A (en) | 2012-12-06 | 2012-12-06 | Heating system of electric car battery pack and electric car |
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| CN103855444A true CN103855444A (en) | 2014-06-11 |
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| CN201210521707.8A Pending CN103855444A (en) | 2012-12-06 | 2012-12-06 | Heating system of electric car battery pack and electric car |
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| CN (1) | CN103855444A (en) |
Cited By (20)
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| CN104242390A (en) * | 2014-09-01 | 2014-12-24 | 广东欧珀移动通信有限公司 | Charging method, charging circuit and mobile terminal |
| CN106025411A (en) * | 2016-07-27 | 2016-10-12 | 北京新能源汽车股份有限公司 | Power battery charging control method, device and system |
| CN106394265A (en) * | 2016-05-27 | 2017-02-15 | 奇瑞汽车股份有限公司 | Method and device for fast charging electric vehicle |
| CN107331922A (en) * | 2016-04-28 | 2017-11-07 | 宝沃汽车（中国）有限公司 | Power battery charging heating system and control method, electrokinetic cell bag and vehicle |
| CN107512180A (en) * | 2016-06-15 | 2017-12-26 | 北京科易动力科技有限公司 | A kind of electrokinetic cell system and the control method for the system |
| CN107512179A (en) * | 2016-06-15 | 2017-12-26 | 北京科易动力科技有限公司 | A kind of electrokinetic cell system and the control method for the system |
| CN108032753A (en) * | 2017-12-11 | 2018-05-15 | 哈尔滨理工大学 | A kind of method used for electric vehicle for preheating charging unit and being preheated, charged to battery pack using the charging unit |
| CN108933465A (en) * | 2018-08-31 | 2018-12-04 | 浙江飞碟汽车制造有限公司 | A kind of charging unit and its application method based on temperature and electric current double-direction control |
| CN109216807A (en) * | 2017-06-29 | 2019-01-15 | 青岛恒金源电子科技有限公司 | Start the method for battery pack under a kind of low temperature environment |
| CN109501619A (en) * | 2018-11-19 | 2019-03-22 | 北京新能源汽车股份有限公司 | Power battery temperature rise control method, device, equipment and automobile |
| CN111098760A (en) * | 2018-10-26 | 2020-05-05 | 法法汽车(中国)有限公司 | Device and method for heating battery pack of electric vehicle and electric vehicle |
| CN111114391A (en) * | 2019-12-25 | 2020-05-08 | 北汽福田汽车股份有限公司 | Fuel cell maintenance system, method and vehicle |
| CN111384472A (en) * | 2018-12-28 | 2020-07-07 | 观致汽车有限公司 | Control method for preheating power battery suitable for direct-current quick-charging pile |
| US10826309B2 (en) | 2014-09-01 | 2020-11-03 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Terminal, heating apparatus and charging method for battery |
| CN112172607A (en) * | 2020-09-30 | 2021-01-05 | 重庆长安新能源汽车科技有限公司 | Battery heat preservation control system for completing charging of electric automobile |
| CN112277681A (en) * | 2020-10-23 | 2021-01-29 | 东风汽车股份有限公司 | Low-temperature alternating-current charging system for electric automobile and control method thereof |
| CN112952940A (en) * | 2021-02-07 | 2021-06-11 | 中国第一汽车股份有限公司 | High-voltage charging system and charging method of high-voltage charging system |
| CN114421034A (en) * | 2022-01-21 | 2022-04-29 | 广东志成冠军集团有限公司 | Universal microelectronic switch for lithium battery module and use method thereof |
| CN114633654A (en) * | 2022-04-29 | 2022-06-17 | 东软睿驰汽车技术（沈阳）有限公司 | Control method and device suitable for preheating battery of direct-current charging pile |
| WO2023050458A1 (en) * | 2021-09-30 | 2023-04-06 | 深圳市飞硕科技有限公司 | Battery protection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104242390A (en) * | 2014-09-01 | 2014-12-24 | 广东欧珀移动通信有限公司 | Charging method, charging circuit and mobile terminal |
| US10826309B2 (en) | 2014-09-01 | 2020-11-03 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Terminal, heating apparatus and charging method for battery |
| CN104242390B (en) * | 2014-09-01 | 2016-12-07 | 广东欧珀移动通信有限公司 | A kind of charging method, charging circuit and mobile terminal |
| CN107331922A (en) * | 2016-04-28 | 2017-11-07 | 宝沃汽车（中国）有限公司 | Power battery charging heating system and control method, electrokinetic cell bag and vehicle |
| CN107331922B (en) * | 2016-04-28 | 2019-09-20 | 宝沃汽车（中国）有限公司 | Power battery charging heating system and control method, power battery pack and vehicle |
| CN106394265A (en) * | 2016-05-27 | 2017-02-15 | 奇瑞汽车股份有限公司 | Method and device for fast charging electric vehicle |
| CN106394265B (en) * | 2016-05-27 | 2019-08-06 | 奇瑞汽车股份有限公司 | The method and apparatus that quick charge is carried out to electric car |
| CN107512179A (en) * | 2016-06-15 | 2017-12-26 | 北京科易动力科技有限公司 | A kind of electrokinetic cell system and the control method for the system |
| CN107512180A (en) * | 2016-06-15 | 2017-12-26 | 北京科易动力科技有限公司 | A kind of electrokinetic cell system and the control method for the system |
| CN106025411A (en) * | 2016-07-27 | 2016-10-12 | 北京新能源汽车股份有限公司 | Power battery charging control method, device and system |
| CN109216807A (en) * | 2017-06-29 | 2019-01-15 | 青岛恒金源电子科技有限公司 | Start the method for battery pack under a kind of low temperature environment |
| CN108032753A (en) * | 2017-12-11 | 2018-05-15 | 哈尔滨理工大学 | A kind of method used for electric vehicle for preheating charging unit and being preheated, charged to battery pack using the charging unit |
| CN108032753B (en) * | 2017-12-11 | 2020-06-19 | 哈尔滨理工大学 | Preheating charging device for electric automobile and method for preheating and charging battery pack by adopting same |
| CN108933465A (en) * | 2018-08-31 | 2018-12-04 | 浙江飞碟汽车制造有限公司 | A kind of charging unit and its application method based on temperature and electric current double-direction control |
| CN111098760B (en) * | 2018-10-26 | 2021-12-10 | 法法汽车(中国)有限公司 | Device and method for heating battery pack of electric vehicle and electric vehicle |
| CN111098760A (en) * | 2018-10-26 | 2020-05-05 | 法法汽车(中国)有限公司 | Device and method for heating battery pack of electric vehicle and electric vehicle |
| CN109501619A (en) * | 2018-11-19 | 2019-03-22 | 北京新能源汽车股份有限公司 | Power battery temperature rise control method, device, equipment and automobile |
| CN111384472A (en) * | 2018-12-28 | 2020-07-07 | 观致汽车有限公司 | Control method for preheating power battery suitable for direct-current quick-charging pile |
| CN111114391A (en) * | 2019-12-25 | 2020-05-08 | 北汽福田汽车股份有限公司 | Fuel cell maintenance system, method and vehicle |
| CN112172607A (en) * | 2020-09-30 | 2021-01-05 | 重庆长安新能源汽车科技有限公司 | Battery heat preservation control system for completing charging of electric automobile |
| CN112172607B (en) * | 2020-09-30 | 2022-03-29 | 重庆长安新能源汽车科技有限公司 | Battery heat preservation control system for completing charging of electric automobile |
| CN112277681A (en) * | 2020-10-23 | 2021-01-29 | 东风汽车股份有限公司 | Low-temperature alternating-current charging system for electric automobile and control method thereof |
| CN112952940A (en) * | 2021-02-07 | 2021-06-11 | 中国第一汽车股份有限公司 | High-voltage charging system and charging method of high-voltage charging system |
| WO2022166491A1 (en) * | 2021-02-07 | 2022-08-11 | 中国第一汽车股份有限公司 | High voltage charging system and charging method of high voltage charging system |
| WO2023050458A1 (en) * | 2021-09-30 | 2023-04-06 | 深圳市飞硕科技有限公司 | Battery protection system |
| CN114421034A (en) * | 2022-01-21 | 2022-04-29 | 广东志成冠军集团有限公司 | Universal microelectronic switch for lithium battery module and use method thereof |
| CN114421034B (en) * | 2022-01-21 | 2024-03-01 | 广东志成冠军集团有限公司 | Universal microelectronic switch for lithium battery module and application method thereof |
| CN114633654A (en) * | 2022-04-29 | 2022-06-17 | 东软睿驰汽车技术（沈阳）有限公司 | Control method and device suitable for preheating battery of direct-current charging pile |
| CN114633654B (en) * | 2022-04-29 | 2024-03-08 | 东软睿驰汽车技术（沈阳）有限公司 | Control method and device suitable for battery preheating of direct-current charging pile |
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Application publication date: 20140611 |