CN106004488B - The method and apparatus of power-supply system, vehicle and the power-supply system for controlling vehicle - Google Patents

The method and apparatus of power-supply system, vehicle and the power-supply system for controlling vehicle Download PDF

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Publication number
CN106004488B
CN106004488B CN201610382404.0A CN201610382404A CN106004488B CN 106004488 B CN106004488 B CN 106004488B CN 201610382404 A CN201610382404 A CN 201610382404A CN 106004488 B CN106004488 B CN 106004488B
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China
Prior art keywords
battery
battery system
vehicle
power
control device
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CN106004488A (en
Inventor
马东辉
姜云启
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Beijing CHJ Information Technology Co Ltd
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Beijing CHJ Information Technology Co Ltd
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Priority to CN201610382404.0A priority Critical patent/CN106004488B/en
Publication of CN106004488A publication Critical patent/CN106004488A/en
Priority to PCT/CN2016/110042 priority patent/WO2017206479A1/en
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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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • 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
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

The embodiment of the present invention provides a kind of power-supply system, the method and apparatus of vehicle and the power-supply system for controlling vehicle.The power-supply system includes: the first battery system, which is fixedly mounted in the car；Battery pedestal is detachably connected by the battery pedestal with the second battery system；Control device provides power for controlling first battery system and/or second battery system for the vehicle.In above-mentioned technical proposal, vehicle not only supports fixed battery to provide power for it, and dismountable portable battery is also supported to provide power for it.In this way, detachable battery can be removed from battery pedestal in the case that user is inconvenient to be fixed battery charging and take away charging.

Description

The method and apparatus of power-supply system, vehicle and the power-supply system for controlling vehicle
Technical field
The present embodiments relate to technical field of vehicle, and more particularly, to a kind of power-supply system, vehicle and use In the method and apparatus of the power-supply system of control vehicle.
Background technique
Compared with conventional fuel oil automobile, new-energy automobile (such as electric car, oil-electric vehicle) is being run over Exhaust gas discharge is less in journey or can achieve zero-emission.Therefore, new-energy automobile pollution on the environment substantially reduces, this So that more and more attention has been paid to select the user of new-energy automobile also more and more to new-energy automobile in recent years.
Although new-energy automobile has the advantages that pollution is small, the capacity for providing the battery of power for new-energy automobile is that have Limit, and battery usually requires to be lot more time to fully charged, and and new-energy automobile needs drive to and are equipped with charging pile Parking lot or charging station could complete to charge.Under normal circumstances, user is new energy in the fixation charging pile using parking lot When source automobile charges, in addition to needing electricity payment, it is also necessary to additionally pay Parking Fee, this improves user and uses new energy vapour The cost of vehicle.Therefore, the charging problems of battery become a bottleneck of limitation new-energy automobile development.
Summary of the invention
The embodiment of the present invention provides the method and dress of a kind of power-supply system, vehicle and the power-supply system for controlling vehicle It sets, is able to solve the problem of Vehicular charging hardly possible in the prior art.
In a first aspect, providing a kind of power-supply system, the power-supply system includes: the first battery system, first battery System is fixedly mounted in the car；Battery pedestal is detachably connected with the second battery system；Control device, it is described for controlling First battery system and/or second battery system provide power for the vehicle.
With reference to first aspect, in above-mentioned certain implementations, second battery system includes at least two battery packs.
With reference to first aspect, in above-mentioned certain implementations, the control device is also used to determine described at least two Whether battery pack belongs to same battery system.
With reference to first aspect, in above-mentioned certain implementations, at least two battery pack respectively corresponds to an identification Code, the identification code for belonging to the battery pack of same battery system are mutually matched, and it is described at least that the control device is specifically used for acquisition The identification code of two battery packs, determines whether the identification code of at least two battery pack matches, and at least two electricity In the matched situation of the identification code of Chi Bao, determine that at least two battery pack belongs to same battery system.
With reference to first aspect, in above-mentioned certain implementations, the control device is specifically used for the electricity with the vehicle Pond communication obtains the identification code of at least two battery pack from the battery management system.
With reference to first aspect, in above-mentioned certain implementations, the control device is specifically used for scanning described at least two Two dimensional code in a battery pack, to obtain the identification code of at least two battery pack.
With reference to first aspect, in above-mentioned certain implementations, the control device is specifically used for described at least two The identification code of battery pack is compared with the pre-stored identification code being mutually matched, with determination at least two battery pack Whether identification code matches.
With reference to first aspect, in above-mentioned certain implementations, the control device is specifically used for passing through preset matching Algorithm determines whether the identification code of at least two battery pack matches.
With reference to first aspect, in above-mentioned certain implementations, the identification code is generated at random by random number generator Identification code.
With reference to first aspect, in above-mentioned certain implementations, the control device is also used to determine second battery Whether the current state of system is suitable for the vehicle and provides power.
With reference to first aspect, in above-mentioned certain implementations, the control device is specifically used for obtaining second electricity The open-circuit voltage values of single battery in cell system determine whether the single battery in second battery system is short-circuit, and The open-circuit voltage values of single battery in second battery system are all larger than preset threshold, and in second battery system In the case that single battery is short-circuit, determine the current state of second battery system be suitable for the vehicle provide it is dynamic Power, otherwise, it determines the current state of second battery system is unsuitable for providing power for the vehicle.
With reference to first aspect, in above-mentioned certain implementations, each battery pack at least two battery pack Weight is between 5 kilograms to 15 kilograms.
With reference to first aspect, in above-mentioned certain implementations, each battery pack at least two battery pack Weight is between 8 kilograms to 10 kilograms.
With reference to first aspect, in above-mentioned certain implementations, the control device is also used to control second battery System is first battery system charging.
With reference to first aspect, in above-mentioned certain implementations, the control device is specifically used for determining first electricity The electricity of cell system controls second electricity in the case where the electricity of first battery system is lower than default power threshold Cell system is first battery system charging.
With reference to first aspect, in above-mentioned certain implementations, the control device is also used to obtain reference information, according to The reference information is selected as the vehicle and provides the battery system of power, wherein the reference information includes in following information It is one or more: the input information of user, the electricity of first battery system, the electricity of second battery system, institute State the traffic information of vehicle, historical statistical information and traffic route, wherein the input information of the user is used to indicate the use The battery system that family expectation is chosen, the historical statistical information are used to indicate first battery system and second battery system The use habit of the frequency of use of system or user to first battery system and second battery system.
With reference to first aspect, in above-mentioned certain implementations, the reference information includes much information, a variety of letters The priority of different information in breath is different, and the control device is specifically used for the priority according to the much information, selection The battery system of power is provided for the vehicle.
With reference to first aspect, in above-mentioned certain implementations, the capacity of first battery system 14kWh extremely Between 28kWh.
With reference to first aspect, in above-mentioned certain implementations, the capacity of first battery system 18kWh extremely Between 20kWh.
With reference to first aspect, in above-mentioned certain implementations, the capacity of second battery system 2kWh extremely Between 8kWh.
With reference to first aspect, in above-mentioned certain implementations, the capacity of second battery system 3kWh extremely Between 5kWh.
With reference to first aspect, in above-mentioned certain implementations, first battery system is located at the chassis of the vehicle On.
With reference to first aspect, in above-mentioned certain implementations, the battery floor seat is located at the tail portion of the vehicle.
With reference to first aspect, in above-mentioned certain implementations, second battery system and the battery pedestal grafting.
Second aspect, provides a kind of vehicle, and the vehicle includes the power-supply system as described in first aspect.
The third aspect, provides a kind of method for controlling the power-supply system of vehicle, and the power-supply system includes the first electricity Cell system, the second battery system and control device, first battery system are fixedly mounted in the vehicle, second electricity Cell system is detachably connected by the battery pedestal in the vehicle with the vehicle, which comprises the control device Determine that second battery system and vehicle are in connection status；The control device control first battery system and/or Second battery system provides power for the vehicle.
In conjunction with the third aspect, in above-mentioned certain implementations, second battery system includes at least two battery packs, The method also includes: the control device determines whether at least two battery pack belongs to same battery system.
In conjunction with the third aspect, in above-mentioned certain implementations, the control device determines at least two battery pack Whether same battery system is belonged to, comprising: the control device obtains the identification code of at least two battery pack, wherein every The corresponding identification code of a battery pack；The control device determines whether the identification code of at least two battery pack matches；? In the matched situation of identification code of at least two battery pack, the control device determines that at least two battery pack belongs to Same battery system.
In conjunction with the third aspect, in above-mentioned certain implementations, the control device obtains at least two battery pack Identification code, comprising: the control device is communicated with the battery management system of the vehicle, from the battery management system obtain The identification code of at least two battery pack.
In conjunction with the third aspect, in above-mentioned certain implementations, the control device obtains at least two battery pack Identification code, comprising: the control device scans the two dimensional code at least two battery pack, to obtain described at least two The identification code of battery pack.
In conjunction with the third aspect, in above-mentioned certain implementations, the control device determines at least two battery pack Identification code whether match, comprising: the control device is by the identification code of at least two battery pack and pre-stored phase Whether mutual matched identification code is compared, matched with the identification code of determination at least two battery pack.
In conjunction with the third aspect, in above-mentioned certain implementations, the control device determines at least two battery pack Identification code whether match, comprising: the control device determines at least two battery pack by preset matching algorithm Whether identification code matches.
In conjunction with the third aspect, in above-mentioned certain implementations, the identification code is generated at random by random number generator Identification code.
In conjunction with the third aspect, in above-mentioned certain implementations, the method also includes: described in the control device determines Whether the current state of the second battery system is suitable for the vehicle and provides power.
In conjunction with the third aspect, in above-mentioned certain implementations, the control device determines second battery system Whether current state is suitable for the vehicle and provides power, comprising: the control device obtains in second battery system The open-circuit voltage values of single battery；The control device determines whether the single battery in second battery system is short-circuit；? The open-circuit voltage values of single battery in second battery system are all larger than preset threshold, and in second battery system In the case that single battery is short-circuit, it is described that the control device determines that the current state of second battery system is suitable for Vehicle provides power, otherwise, it determines the current state of second battery system is unsuitable for providing power for the vehicle.
In conjunction with the third aspect, in above-mentioned certain implementations, the method also includes: described in the control device control Second battery system is first battery system charging.
In conjunction with the third aspect, in above-mentioned certain implementations, the control device controls second battery system and is The first battery system charging, comprising: the control device determines the electricity of first battery system；In first electricity In the case that the electricity of cell system is lower than default power threshold, it is described that the control device, which controls second battery system, The charging of one battery system.
In conjunction with the third aspect, in above-mentioned certain implementations, the method also includes: the control device obtains reference Information, the reference information include one of following information or a variety of: the input information of user, first battery system Electricity, the electricity of second battery system, the traffic information of the vehicle, historical statistical information and traffic route, wherein institute The input information for stating user is used to indicate the user and it is expected that the battery system chosen, the historical statistical information are used to indicate institute The frequency of use for stating the first battery system and second battery system or user are to first battery system and described second The use habit of battery system；The control device is selected as the vehicle and provides the battery of power according to the reference information System.
In conjunction with the third aspect, in above-mentioned certain implementations, the reference information includes much information, a variety of letters The priority of different information in breath is different, and it is dynamic to be selected as the vehicle offer according to the reference information for the control device The battery system of power, comprising: the control device is selected as the vehicle and provides power according to the priority of the much information Battery system.
Fourth aspect, provides a kind of computer-readable medium, and the computer-readable medium storage is held for control device Capable program code, said program code include the instruction for executing the method in the third aspect.
5th aspect, provides a kind of for controlling the device of the power-supply system of vehicle, and described device includes for executing the The module of method in three aspects.
In the above-mentioned technical solutions, vehicle supports fixed battery to provide power for it, also detachable battery is supported to mention for it For power.In this way, detachable battery can be torn open from battery pedestal in the case that user is inconvenient to be fixed battery charging Under take away charging.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention Attached drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the schematic diagram of power-supply system provided in an embodiment of the present invention.
Fig. 2 is provided in an embodiment of the present invention for controlling the schematic flow chart of the method for the power-supply system of vehicle.
Fig. 3 is provided in an embodiment of the present invention for controlling the schematic diagram of the device of the power-supply system of vehicle.
Fig. 4 is provided in an embodiment of the present invention for controlling the schematic diagram of the device of the power-supply system of vehicle.
Fig. 5 is the schematic diagram of vehicle provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the embodiment described is a part of the embodiments of the present invention, rather than whole embodiments.Based on the present invention In embodiment, those of ordinary skill in the art's every other implementation obtained without making creative work Example, all should belong to the scope of protection of the invention.
Fig. 1 is the schematic diagram of power-supply system provided in an embodiment of the present invention.As shown in Figure 1, power-supply system 100 is wrapped Include the first battery system 101, battery pedestal 102 and control device 103.
First battery system 101 is fixedly mounted in the car.
Battery pedestal 102 is detachably connected with the second battery system.
Control device 103 is provided for controlling the first battery system 101 and/or second battery system for the vehicle Power.
Optionally, as another embodiment, power-supply system 100 shown in FIG. 1 includes first be fixedly mounted in the car Battery system 101 and the second battery system being removably mounted in vehicle.Be inconvenient to be the charging of the first battery system as user In the case where, the second battery system can be removed from battery pedestal 102 and take away charging.
Vehicle in the embodiment of the present invention can provide power by battery, to drive vehicle driving.For example, the present invention is implemented Vehicle in example can be electric car, alternatively, the vehicle in the embodiment of the present invention can be oil-electric vehicle etc..
Control device 103 can be microcontroller, microprocessor, programmable logic controller (PLC) (Programmable Logic Controller, PLC), programmable gate array (Programmable Gate Array, PGA), specific integrated circuit (Application Specific Integrated Circuit, ASIC) or can receive signal from each sensor, It executes logical operation and sends the signal to the controller of each component.
The embodiment of the present invention is not especially limited battery pedestal 102 and the connection type of vehicle, for example, battery pedestal 102 can be connect by dismountable mode with the vehicle frame of the vehicle.For another example, battery pedestal 102 can also be one with vehicle frame 's.For example, casting battery pedestal directly on vehicle frame using integral forming process.
In some embodiments, which can only include a battery pack.
In some another embodiments, which may include at least two battery packs.
In some embodiments, control device 103 is also used to determine whether at least two battery pack belongs to same battery System.
Specifically, which can respectively correspond to an identification code, belong to the battery of same battery system The identification code of packet matches each other.Control device 103 is specifically used for obtaining the identification code of at least two battery pack, determines this at least Whether the identification code of two battery packs matches, and in the matched situation of the identification code of at least two battery pack, determines this extremely Few two battery packs belong to same battery system.Further, control device 103 is also used to the identification at least two battery pack In the unmatched situation of code, determine that at least two battery pack is not belonging to same battery system.
It should be understood that the parameter similar between the battery pack of same battery system, matching, which uses, can make battery system Best performance, the mixed performance that not only may be decreased battery system of the battery pack of different battery systems, and battery may be damaged The service life of packet.Therefore, the embodiment of the present invention, which passes through, determines whether battery pack belongs to same battery system, and is determining battery pack category The battery pack is reused in the case where same battery system and provides power for vehicle, can be improved the performance of battery system in this way With the service life of battery pack.
The identification code of battery pack can be generated based on various ways.For example, the identification code can be random number generator with The identification code that machine generates.For another example, manual allocation when which can also be production battery pack.
In addition, control device 103 can obtain the identification code of the battery pack in several ways, the embodiment of the present invention is to this It does not limit.
For example, control device 103 can be logical with battery management system (Battery Management System, BMS) Letter, obtains the identification code of the battery pack.
For another example, which can be labeled in battery pack in the form of two dimensional code.Control device 103 can pass through scanning The mode of two dimensional code obtains the identification code.
It should be understood that determine the corresponding whether matched mode of identification code of at least two battery packs can there are many, the present invention Embodiment is not especially limited this.
For example, control device 103 can be by the identification code of at least two battery packs and the pre-stored knowledge being mutually matched Other code is compared, to determine whether the corresponding identification code of at least two battery packs matches.
For another example, control device 103 can calculate two identifications using preset matching algorithm based on the identification code got Whether code matches.
In addition, other than determining at least two battery pack according to identification code and whether belonging to the same battery system, control Device 103 can also determine whether at least two battery pack belongs to same battery system by other means.For example, control dress Set whether unanimously 103 can detecte the model of at least two battery pack, parameter etc., if unanimously, it is determined that at least two electricity Chi Bao belongs to same battery system, if inconsistent, it is determined that at least two battery pack is not belonging to same battery system.
Optionally, as one embodiment, control device 103 is also used to determine that the current state of second battery system is The no vehicle that is suitable for provides power.
Optionally, as one embodiment, control device 103 is specifically used for obtaining the monomer electricity in second battery system The open-circuit voltage values in pond determine whether the single battery in second battery system is short-circuit, and in second battery system The open-circuit voltage values of single battery are all larger than preset threshold, and the situation that the single battery in second battery system is not short-circuit Under, determine that the current state of second battery system is suitable for the vehicle and provides power, otherwise, it determines second battery system Current state is unsuitable for providing power for the vehicle.
In the embodiment of the present invention, before providing power using the second battery system for vehicle, control device can detect Whether the current state of two battery systems is suitable for vehicle and provides power, can be improved the reliability of vehicle in this way.
Specifically, control device 103 can be by judging whether following two condition meets, to determine second battery Whether system is suitable for the vehicle and provides power.
Condition one: whether at least two battery packs in second battery system belong to same battery system.
Condition two: whether the current state of second battery system is suitable for the vehicle and provides power.
It should be noted that if second battery system only includes a battery pack, then control device 103 can only judge Above-mentioned condition two, to determine that second battery system can work normally.
Certainly, in some embodiments, even if second battery system includes at least two battery packs, control device 103 It can also only judge whether a condition in above-mentioned two condition meets.
In some embodiments, control device 103 needs before selecting second battery system to provide power for the vehicle Determine that second battery system is connect with battery pedestal 103.If control device 103 determine battery pedestal 103 not with this second Battery system connection, then can only select first battery system to provide power for the vehicle.
It is understood that if control device 103 determines that second battery system is unsuitable for providing power for the vehicle, Control device 103 can only control first battery system and provide power for the vehicle.
In addition, in some embodiments, determining that second battery system is unsuitable for providing for the vehicle in control device 103 In the case where power, control device 103 can send instruction information to user, to remind user.For example, control device 103 can To remind user that second battery system is unsuitable for providing power for the vehicle.For another example, control device 103 may remind the user that this Second battery system is unsatisfactory for which of above-mentioned two condition condition.
In some embodiments, the weight of each battery pack in second battery system can be at 5 kilograms to 15 kilograms Between.In further embodiments, the weight of each battery pack in second battery system can 8 kilograms to 10 kilograms it Between.In another embodiment, the weight of each battery pack is 8 kilograms in second battery system.In further embodiments, The weight of each battery pack is 10 kilograms in second battery system.
Optionally, as one embodiment, it is first battery that control device 103, which can also control second battery system, System 101 charges.
For example, control device 103 can determine the electricity of the first battery system 101, in the electricity of the first battery system 101 In the case where lower than default power threshold, second battery system is controlled as the charging of the first battery system 101.
Below with reference to specific embodiment, choosing of the control device to the first battery system and the second battery system is described in detail Select mode.
Optionally, as one embodiment, control device 103 is specifically used for obtaining reference information, and according to this with reference to letter Breath is selected as the vehicle and provides the battery system of power.
Specifically, which may include one of following information or a variety of: the input information of user, the first electricity The electricity of cell system 101, the electricity of the second battery system, the traffic information of the vehicle, historical statistical information and traffic route, In, the input information of the user is used to indicate the user and it is expected that the battery system chosen, the historical statistical information are used to indicate this The frequency of use or user of first battery system and second battery system are to first battery system and second battery The use habit of system.
It is understood that the above is only, for example, other than information listed above, refer to reference information Information can also include other kinds of information.
In some embodiments, control device 103 can be selected as the vehicle according to the input information of user and provide power Battery system.The input information of the user is used to indicate the user and it is expected the battery system chosen.
Control device 103 can specifically obtain the input information of the user from the input unit of the vehicle.The input unit It can be key, touch screen, microphone etc., the embodiment of the present invention does not limit.User can be according to oneself experience, hobby etc. Factor chooses battery system.
For example, can choose the first battery system and the second battery system if user wishes to improve the driving performance of vehicle It unites while providing power for vehicle.If user had not only wished that the driving performance of vehicle was higher, but also wished that the course continuation mileage of vehicle is longer, It then can choose first battery system or second battery system and provide power for the vehicle.
For another example, user can also charge whether facilitate selection battery system according to battery system.Specifically, when user determines In the case that there is available charging pile in driving destination, it can choose the first battery system as the vehicle and power be provided.In this way, working as After user is driven to destination, charging pile can be used as first battery system charging.When user determines that driving destination does not have When having charging pile, can choose second battery system as the vehicle and power be provided, in order to after arriving at the destination by this second Battery system takes away charging.
In some embodiments, control device 103 can be according to first battery system and/or second battery system Electricity is selected as the vehicle and provides the battery system of power.
For example, if the remaining capacity of first battery system is lower than the first preset threshold, and second battery system is surplus Remaining electricity is not less than the second preset threshold, then control device 103 can control second battery system and provide power for the vehicle. First preset threshold and second preset threshold can be charge value, be also possible to remaining capacity and it is fully charged when electricity Ratio.First preset threshold and second preset threshold, which can be, to be preset, and is also possible to user's input.This is first pre- If threshold value can be equal with second preset threshold, it is also possible to.
For another example, if the remaining capacity of the first battery system is lower than first preset threshold, the residue electricity of the second battery system Amount be lower than second preset threshold, then control device 103 can control second battery system be the vehicle provide power up to The remaining capacity of second battery system runs out of.
In some embodiments, control device 103 can be selected as the vehicle according to traffic information and provide the battery of power System.The traffic information may include road information, such as the road of vehicle driving is upward slope, descending, expressway, urban road Or rural road etc., it also may include congestion information, for example, the road of vehicle driving very congestion, general congestion or unimpeded etc., It can also include road bumps situation, such as the road of vehicle driving jolts, generally jolts or steady etc. very much.Control device 103, which can use the mode that sensor, global position system or user are manually entered, obtains the traffic information, and the present invention is real Example is applied to be not especially limited.Control device 103 can select different battery systems in the case where traffic information difference to be somebody's turn to do Vehicle provides power.For example, control device 103 can choose first electricity if traffic information complexity (for example, road bumps) Cell system and second battery system provide power simultaneously for the vehicle.If traffic information (such as smooth urban district road very well Road), then control device 103 can choose first battery system or second battery system and provide power for the vehicle.
In some embodiments, control device 103 can be selected as the vehicle according to traffic route and provide the battery of power System.For example, it is assumed that user would generally select the first battery system to provide for the vehicle when destination of user is the first place Power.In this way, can be automatically controlled if control device 103 determines that stroke end is first place according to traffic route Power is provided using first battery system for the vehicle.In the case, user is not necessarily to be manually entered the battery that expectation uses System.
In some embodiments, control device 103 can be selected as the vehicle according to historical statistical information and provide power Battery system.For example, statistics of the control device 103 by a period of time, determine that 7 thirty of the morning makes to 9 points user on weekdays When with vehicle, select the first battery system for the vehicle provide power frequency be greater than a predeterminated frequency, and on weekdays under At 6 points to 8 of the noon, the frequency for providing power using second battery system for the vehicle is selected to be greater than a predeterminated frequency.That , control device 103 can when 7 thirty of the morning is to 9 on weekdays, automatically select the first battery system provided for the vehicle it is dynamic Power automatically selects second battery system as the vehicle and provides power when 6 pm is to 8 on weekdays.
Control device 103 provides the battery system of power in addition to that can be selected as the vehicle by any of the above-described kind of reference information Except system, battery system can also be selected according to two or more in above-mentioned reference information.In this case, it is possible to be Different priority is arranged in different information.Control device 103 can be selected as the vehicle according to the priority of much information The battery system of power is provided.
For example, the reference information may include the input information and traffic information of user, and the input information of user is excellent First grade is lower than the priority of traffic information.In the case, user can input the battery system that expectation uses, but work as road conditions When information is met certain condition, control device 103 preferentially can select battery system according to traffic information.For another example, user's is defeated The priority for entering information can be higher than the priority of traffic information.In the case, when control device 103 is selected according to traffic information It takes after needing battery system to be used, currently used battery system can be switched to another battery by input information by user System.
Further, when control device 103 can be selected as the vehicle in several ways provides the battery system of power, User can select to wish the reference information that control device 103 uses by way of being manually entered.
Control device 103 (such as can be metal-oxide semiconductor (MOS) (Mental Oxide by control switch Semiconductor, MOS) pipe) mode control first battery system and/or second battery system provides for the vehicle Power.
For example, control can be passed through when control device 103 determines that second battery system is suitable for vehicle offer power The corresponding motor circuit of second battery system is connected system switch, provides power to control second battery system as vehicle. It, can be by control switch by the when control device 103 determines that second battery system is unsuitable for providing power for the vehicle The corresponding motor circuit shutdown of two battery systems.
The embodiment of the present invention is not especially limited the connection relationship of first battery system and second battery system.It is real In border, as long as the connection relationship of the two, which enables control device 103 to control, realizes above-described control logic.
The embodiment of the present invention is not especially limited the capacity of the first battery system and the second battery system, can based at The selection of the factors such as sheet, vehicle.
Optionally, as one embodiment, the capacity of first battery system can be higher than the appearance of second battery system Amount.
In some embodiments, the capacity of first battery system can be in 14kWh between 28kWh.Another In a little embodiments, the capacity of first battery system can be in 16kWh between 26kWh.In further embodiments, should The capacity of first battery system can be in 18kWh between 20kWh.In further embodiments, first battery system Capacity can be 18kWh, alternatively, 20kWh.
In some embodiments, the capacity of second battery system can be in 2kWh between 8kWh.At other In embodiment, the capacity of second battery system can be in 3kWh between 5kWh.In further embodiments, this second The capacity of battery system can be 3kWh, alternatively, 5kWh.
In some embodiments, the first battery system 101 can be located on the chassis of the vehicle.
In some embodiments, battery pedestal 102 can be located at the tail portion of the vehicle.
In some embodiments, which can be with 102 grafting of battery pedestal.
Fig. 2 is provided in an embodiment of the present invention for controlling the schematic flow chart of the method for power-supply system.It should be understood that figure Processing step or operation shown in 2 are only examples, and the various behaviour in other operations or Fig. 2 can also be performed in the embodiment of the present invention The deformation of work.In addition, each step in Fig. 2 can be executed according to the different sequences presented from Fig. 2, and it is possible to simultaneously The all operationss in Fig. 2 have to be executed.
It should also be understood that the method for Fig. 2 can be executed by the control device in vehicle, which for example can be micro-control Device processed, microprocessor, PLC, PGA, ASIC can receive signal from each sensor, execute logical operation and by signal It is sent to the controller of each component.
201, control device determines that the second battery system and vehicle are in connection status.
202, control device controls the first battery system and/or the second battery system and provides power for vehicle.
Method according to Fig.2, the first battery system and/or detachably installation which can be used fixed installation The second battery system provide power for the vehicle.In this way, in the case that user is inconvenient to be the charging of the first battery system, it can Charging is taken away to remove the second battery system from battery pedestal.
In some embodiments, the second battery system may include at least two battery packs, the method for Fig. 2 further include: control Device processed determines whether at least two battery packs belong to same battery system.
It should be understood that the parameter similar between the battery pack of same battery system, matching, which uses, can make battery system Best performance, the mixed performance that not only may be decreased battery system of the battery pack of different battery systems, and battery may be damaged The service life of packet.
In some embodiments, it may include: to obtain that whether above-mentioned at least two battery pack of determination, which belongs to same battery system, Take the identification code of at least two battery pack, wherein the corresponding identification code of each battery pack determines at least two battery pack Whether corresponding identification code matches, in the matched situation of the corresponding identification code of at least two battery pack, determine this at least two A battery pack belongs to same battery system, and in the unmatched situation of the corresponding identification code of at least two battery pack, determines At least two battery pack is not belonging to same battery system.
The identification code can obtain in several ways.For example, can communicate with the BMS of the vehicle, obtaining from the BMS should The identification code of at least two battery packs.For another example, can by scan the two dimensional code that is labeled in battery pack obtain this at least two The identification code of battery pack.
Determine the whether matched mode of the corresponding identification code of at least two battery packs can there are many.For example, can be near The identification code of few two battery packs is compared with the pre-stored identification code being mutually matched, to determine at least two battery Wrap whether corresponding identification code matches.For another example, it can determine this extremely using preset matching algorithm based on the identification code got Whether the identification code of few two battery packs matches.
The identification code can be generated based on various ways.It is generated at random for example, the identification code can be random number generator Identification code.For another example, manual allocation when which can also be production battery pack.
In addition, may be used also other than determining at least two battery pack according to identification code and whether belonging to the same battery system To determine whether at least two battery pack belongs to same battery system by other means.For example, can detecte this at least two Whether model, parameter of a battery pack etc. are consistent, if unanimously, it is determined that and at least two battery pack belongs to same battery system, If inconsistent, it is determined that at least two battery pack is not belonging to same battery system.
Further, method shown in Fig. 2 can also include: that control device determines that the current state of second battery system is The no vehicle that is suitable for provides power.
In some embodiments, above-mentioned control device determines whether the current state of second battery system is suitable for the vehicle Provide power may include: obtain second battery system in single battery open-circuit voltage values, and determine second battery Whether the single battery in system is short-circuit, and the open-circuit voltage values of the single battery in second battery system are greater than default threshold Value, and in the case that the single battery in second battery system is short-circuit, determine the current state of second battery system It is suitable for the vehicle and power is provided；Otherwise, it determines the current state of second battery system is unsuitable for providing power for the vehicle.
Specifically, can determine whether second battery system is suitable for the vehicle and mentions by judging following two condition For power.Condition one: whether at least two battery packs in second battery system belong to same battery system.Condition two: should Whether the current state of the second battery system is suitable for the vehicle and provides power.As one embodiment, can judge simultaneously with Whether upper two conditions are all satisfied, and to determine that the second battery system can work normally, and second battery system can be with work Make in optimum state.As another embodiment, it can only judge whether the either condition in above-mentioned two condition meets.
In some embodiments, the method for Fig. 2 can also include: control device control second battery system be this first Battery system charging.Specifically, it is determined that the electricity of first battery system, electric lower than default in the electricity of first battery system In the case where measuring threshold value, second battery system is controlled as first battery system charging.
In some embodiments, the method for Fig. 2 can also include: that control device obtains reference information, and is believed according to reference Breath is selected as vehicle and provides the battery of power, wherein reference information includes one of following information or a variety of: the input of user Information, the electricity of the first battery system, the electricity of the second battery system, the traffic information of vehicle, historical statistical information and driving Route, wherein the input information of user is used to indicate user and it is expected that the battery system chosen, historical statistical information are used to indicate the The frequency of use or user of one battery system and the second battery system practise the use of the first battery system and the second battery system It is used.
In some embodiments, control device can be selected as the vehicle according to the input information of user and provide the electricity of power Cell system.The input information of the user is used to indicate the user and it is expected the battery system chosen.
Control device can specifically obtain the input information of the user from the input unit of the vehicle.The input unit can be with It is key, touch screen, microphone etc., the embodiment of the present invention does not limit.User can be according to factors such as oneself experience, hobbies Choose battery system.
For example, can choose the first battery system and the second battery system if user wishes to improve the driving performance of vehicle It unites while providing power for vehicle.If user had not only wished that the driving performance of vehicle was higher, but also wished that the course continuation mileage of vehicle is longer, It then can choose first battery system or second battery system and provide power for the vehicle.
For another example, user can also charge whether facilitate selection battery system according to battery system.Specifically, when user determines In the case that there is available charging pile in driving destination, it can choose the first battery system as the vehicle and power be provided.In this way, working as After user is driven to destination, charging pile can be used as first battery system charging.When user determines that driving destination does not have When having charging pile, can choose second battery system as the vehicle and power be provided, in order to after arriving at the destination by this second Battery system takes away charging.
In some embodiments, control device can be according to first battery system and/or the electricity of second battery system Amount is selected as the vehicle and provides the battery system of power.
For example, if the remaining capacity of first battery system is lower than the first preset threshold, and second battery system is surplus Remaining electricity is not less than the second preset threshold, then control device can control second battery system and provide power for the vehicle.It should First preset threshold and second preset threshold can be charge value, be also possible to remaining capacity and it is fully charged when electricity ratio Value.First preset threshold and second preset threshold, which can be, to be preset, and is also possible to user's input.This is first default Threshold value can be equal with second preset threshold, is also possible to.
For another example, if the remaining capacity of the first battery system is lower than first preset threshold, the residue electricity of the second battery system Amount is lower than second preset threshold, then control device can control second battery system be the vehicle provide power up to this The remaining capacity of two battery systems runs out of.
In some embodiments, control device can be selected as the vehicle according to traffic information and provide the battery system of power System.The traffic information may include road information, for example, vehicle driving road be upward slope, descending, expressway, urban road or Rural road etc. also may include congestion information, for example, the road of vehicle driving very congestion, general congestion or unimpeded etc., also It may include road bumps situation, such as the road of vehicle driving jolts, generally jolts or steady etc. very much.Control device can be with By sensor, global position system or user be manually entered in the way of obtain the traffic information, the embodiment of the present invention is not made It is specific to limit.Control device can select different battery systems to provide for the vehicle dynamic in the case where traffic information difference Power.For example, if traffic information complexity (for example, road bumps), control device can choose first battery system and this Two battery systems provide power simultaneously for the vehicle.If traffic information is very well (such as smooth urban road), control device It can choose first battery system or second battery system and provide power for the vehicle.
In some embodiments, control device can be selected as the vehicle according to traffic route and provide the battery system of power System.For example, it is assumed that it is dynamic that user would generally select the first battery system to provide for the vehicle when destination of user is the first place Power.In this way, can automatically control to use and be somebody's turn to do if control device determines that stroke end is first place according to traffic route First battery system provides power for the vehicle.In the case, user is not necessarily to be manually entered the battery system that expectation uses.
In some embodiments, control device can be selected as the vehicle according to historical statistical information and provide the battery of power System.For example, statistics of the control device by a period of time, determine that 7 thirty of the morning uses vehicle to 9 points to user on weekdays When, the frequency for selecting the first battery system to provide power for the vehicle is greater than a predeterminated frequency, and 6 pm is extremely on weekdays At 8, the frequency for providing power using second battery system for the vehicle is selected to be greater than a predeterminated frequency.So, it controls Device can automatically select the first battery system as the vehicle and provide power, work when 7 thirty of the morning is to 9 on weekdays When day 6 pm is to 8, second battery system is automatically selected as the vehicle, power is provided.
Control device provides the battery system of power in addition to that can be selected as the vehicle by any of the above-described kind of reference information Except, battery system can also be selected according to two or more in above-mentioned reference information.In this case, it is possible to for not Different priority is arranged in same information.Control device can be selected as the vehicle and provide according to the priority of much information The battery system of power.
For example, the reference information may include the input information and traffic information of user, and the input information of user is excellent First grade is lower than the priority of traffic information.In the case, user can input the battery system that expectation uses, but work as road conditions When information is met certain condition, control device preferentially can select battery system according to traffic information.For another example, the input letter of user The priority of breath can be higher than the priority of traffic information.In the case, when control device chooses needs according to traffic information After the battery system used, currently used battery system can be switched to another battery system by input information by user.
Further, it when control device can be selected as the vehicle in several ways provides the battery system of power, uses Family can select to wish the reference information that control device uses by way of being manually entered.
Fig. 3 is provided in an embodiment of the present invention for controlling the schematic diagram of the device of power-supply system.The power supply System includes the first battery system, the second battery system and described device 300, and first battery system is fixedly mounted on described In vehicle, second battery system is detachably connected by the battery pedestal in the vehicle with the vehicle, such as Fig. 3 institute Show, device 300 includes the first determining module 301 and the first control module 302.
First determining module 301, for determining that second battery system and vehicle are in connection status；
First control module 302, for controlling first battery system and/or second battery system as the vehicle Provide power.
Optionally, as one embodiment, second battery system includes at least two battery packs, and device 300 may be used also It include: the second determining module, for determining whether at least two battery pack belongs to same battery system.
Optionally, as one embodiment, second determining module is specifically used for obtaining at least two battery pack Identification code, wherein the corresponding identification code of each battery pack；Determine at least two battery pack identification code whether Match；In the matched situation of identification code of at least two battery pack, determine that at least two battery pack belongs to same electricity Cell system.
Optionally, as one embodiment, second determining module is specifically used for the battery management system with the vehicle System communication, the identification code of at least two battery pack is obtained from the battery management system.
Optionally, as one embodiment, second determining module is specifically used for scanning at least two battery pack On two dimensional code, to obtain the identification code of at least two battery pack.
Optionally, as one embodiment, second determining module is specifically used at least two battery pack Identification code is compared with the pre-stored identification code being mutually matched, and the identification code with determination at least two battery pack is No matching.
Optionally, as one embodiment, second determining module is specifically used for determining by preset matching algorithm Whether the identification code of at least two battery pack matches.
Optionally, as one embodiment, the identification code is the identification code generated at random by random number generator.
Optionally, as one embodiment, described device 300 further include: third determining module, for determining described second Whether the current state of battery system is suitable for the vehicle and provides power.
Optionally, as one embodiment, the third determining module is specifically used for obtaining in second battery system Single battery open-circuit voltage values；Determine whether the single battery in second battery system is short-circuit；In second electricity The open-circuit voltage values of single battery in cell system are all larger than preset threshold, and the single battery in second battery system is equal In the case where not short-circuit, determine that the current state of second battery system is suitable for the vehicle and provides power, otherwise, it determines The current state of second battery system is unsuitable for providing power for the vehicle.
Optionally, as one embodiment, described device 300 further include: the second control module, for controlling described second Battery system is first battery system charging.
Optionally, as one embodiment, second control module is specifically used for determining first battery system Electricity；In the case where the electricity of first battery system is lower than default power threshold, controlling second battery system is The first battery system charging.
Optionally, as one embodiment, described device 300 further include: obtain module, for obtaining reference information, institute Stating reference information includes one of following information or a variety of: the input information of user, the electricity of first battery system, institute State the electricity of the second battery system, the traffic information of the vehicle, historical statistical information and traffic route, wherein the user Input information be used to indicate the user and it is expected that the battery system chosen, the historical statistical information are used to indicate described first The frequency of use or user of battery system and second battery system are to first battery system and second battery system The use habit of system；Selecting module, for being selected as the vehicle and providing the battery system of power according to the reference information.
Optionally, as one embodiment, the reference information includes much information, the different letters in the much information The priority of breath is different, and the selecting module is specifically used for the priority according to the much information, is selected as the vehicle and mentions For the battery system of power.
Fig. 4 is provided in an embodiment of the present invention for controlling the schematic diagram of the device of the power-supply system of vehicle.Institute Stating power-supply system includes the first battery system, the second battery system and described device 400, and first battery system is fixedly mounted In the vehicle, second battery system is detachably connected by the battery pedestal in the vehicle with the vehicle, such as Shown in Fig. 4, described device 400 includes:
Memory 401, for storing program；
Processor 402, for executing program, when the program in the memory 401 is performed, the processor 402 Determine that second battery system and vehicle are in connection status；Control first battery system and/or second battery System provides power for the vehicle.
Optionally, as one embodiment, second battery system includes at least two battery packs, the processor 402 are also used to determine whether at least two battery pack belongs to same battery system.
Optionally, as one embodiment, the processor 402 is specifically used for obtaining the knowledge of at least two battery pack Other code, wherein the corresponding identification code of each battery pack；Determine whether the identification code of at least two battery pack matches；? In the matched situation of identification code of at least two battery pack, determine that at least two battery pack belongs to same battery system System.
Optionally, as one embodiment, the processor 402 is specifically used for logical with the battery management system of the vehicle Letter, the identification code of at least two battery pack is obtained from the battery management system.
Optionally, as one embodiment, the processor 402 is specifically used for scanning at least two battery pack Two dimensional code, to obtain the identification code of at least two battery pack.
Optionally, as one embodiment, the processor 402 is specifically used for the identification of at least two battery pack Code be compared with the pre-stored identification code being mutually matched, with the identification code of determination at least two battery pack whether Match.
Optionally, as one embodiment, the processor 402 is specifically used for by described in the determination of preset matching algorithm Whether the identification code of at least two battery packs matches.
Optionally, as one embodiment, the identification code is the identification code generated at random by random number generator.
Optionally, as one embodiment, the processor 402 is also used to determine the current shape of second battery system Whether state is suitable for the vehicle and provides power.
Optionally, as one embodiment, the processor 402 is specifically used for obtaining the list in second battery system The open-circuit voltage values of body battery；Determine whether the single battery in second battery system is short-circuit；In second battery system The open-circuit voltage values of single battery in system are all larger than preset threshold, and the single battery in second battery system is not short In the case where road, determine that the current state of second battery system is suitable for the vehicle and provides power, otherwise, it determines described The current state of second battery system is unsuitable for providing power for the vehicle.
Optionally, as one embodiment, it is described that the processor 402, which is also used to control second battery system, The charging of one battery system.
Optionally, as one embodiment, the processor 402 is specifically used for determining the electricity of first battery system Amount；In the case where the electricity of first battery system is lower than default power threshold, controlling second battery system is institute State the charging of the first battery system.
Optionally, as one embodiment, the processor 402 is also used to obtain reference information, the reference information packet Include one of following information or a variety of: the input information of user, the electricity of first battery system, second battery system The electricity of system, the traffic information of the vehicle, historical statistical information and traffic route, wherein the input information of the user is used In the battery system for indicating that the user it is expected selection, the historical statistical information is used to indicate first battery system and institute The frequency of use for stating the second battery system or user are to the use habit of first battery system and second battery system； According to the reference information, it is selected as the vehicle and the battery system of power is provided.
Optionally, as one embodiment, the reference information includes much information, the different letters in the much information The priority of breath is different, and the processor 402 is specifically used for the priority according to the much information, is selected as the vehicle and mentions For the battery system of power.
Fig. 5 is the schematic diagram of vehicle provided in an embodiment of the present invention.Vehicle 500 in Fig. 5 includes power supply as shown in Figure 1 System.
As shown in figure 5, the first battery system 501 in battery system is fixedly mounted on the chassis of vehicle 500.Battery floor Seat 503 is mounted on the tail portion of vehicle 500.Second battery system 502 is detachably connected on battery pedestal 503.
Certainly, in addition to position shown in fig. 5, battery pedestal and the second battery system can also be positioned at other positions of vehicle It sets, as long as user is facilitated to dismantle.
Optionally, in some embodiments, each battery pack in second battery system can be slotting with battery pedestal Enter formula connection.For example, slot can be arranged in battery pack bottom (such as central location of battery pack bottom), set on battery pedestal Set plug.
Optionally, in further embodiments, each battery pack in second battery system can be locking-type connection.
Optionally, in some embodiments, battery pack is not only connect with vehicle mechanical by plug in construction, and and vehicle Electrical connection.By the plug in construction, battery pack can be disassembled quickly and easily from vehicle.
Optionally, in some embodiments, the battery pack in second battery system is in cuboid, to facilitate storage.Example Such as, the height of battery pack may be about 340mm, and the length of the cross section of battery pack may be about 180mm, the width of the cross section of battery pack It may be about 150mm.
Optionally, in some embodiments, the quantity of battery pack can be even number in second battery system.For example, can To be 2,4,6 etc..For another example, the number of the battery pack in second battery system can be true according to the seating capacity of vehicle It is fixed.For example, it may be twice of the seating capacity of vehicle.In this way, can be convenient motroist carries battery pack.In some embodiments In, which includes two battery packs.
In some embodiments, each battery pack can have two battery modules.In some embodiments, each battery Module can have multiple lithium ion batteries.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers It is included within the scope of the present invention, therefore protection scope of the present invention should be subject to the protection scope in claims.

Claims (24)

1. a kind of power-supply system, which is characterized in that the power-supply system includes:
First battery system, first battery system are fixedly mounted in the car；
Battery pedestal is detachably connected with the second battery system；
Control device provides power for controlling first battery system and/or second battery system for the vehicle；
Second battery system includes at least two battery packs；
The control device includes
For determining whether at least two battery pack belongs to same battery system；Or
For obtaining reference information, according to the reference information, it is selected as the vehicle and the battery system of power is provided；
At least two battery pack respectively corresponds to an identification code, and the identification code for belonging to the battery pack of same battery system is mutual Matching, the control device are specifically used for obtaining the identification code of at least two battery pack, determine at least two battery Whether the identification code of packet matches, and in the matched situation of identification code of at least two battery pack, determines described at least two A battery pack belongs to same battery system.
2. power-supply system as described in claim 1, which is characterized in that the control device is specifically used for the electricity with the vehicle Pond communication obtains the identification code of at least two battery pack from the battery management system.
3. power-supply system as described in claim 1, which is characterized in that the control device is specifically used for scanning described at least two Two dimensional code in a battery pack, to obtain the identification code of at least two battery pack.
4. power-supply system as described in claim 1, which is characterized in that the identification code is generated at random by random number generator Identification code.
5. such as power-supply system of any of claims 1-4, which is characterized in that the control device is specifically used for institute The identification code for stating at least two battery packs is compared with the pre-stored identification code being mutually matched, to determine described at least two Whether the identification code of a battery pack matches.
6. such as power-supply system of any of claims 1-4, which is characterized in that the control device is specifically used for passing through Preset matching algorithm determines whether the identification code of at least two battery pack matches.
7. such as power-supply system of any of claims 1-4, which is characterized in that the control device is also used to determine institute Whether the current state for stating the second battery system, which is suitable for the vehicle, provides power.
8. power-supply system as claimed in claim 7, which is characterized in that the control device is specifically used for obtaining second electricity The open-circuit voltage values of single battery in cell system determine whether the single battery in second battery system is short-circuit, and The open-circuit voltage values of single battery in second battery system are all larger than preset threshold, and in second battery system In the case that single battery is short-circuit, determine the current state of second battery system be suitable for the vehicle provide it is dynamic Power, otherwise, it determines the current state of second battery system is unsuitable for providing power for the vehicle.
9. such as power-supply system of any of claims 1-4, which is characterized in that every at least two battery pack The weight of a battery pack is between 5 kilograms to 15 kilograms.
10. power-supply system as claimed in claim 9, which is characterized in that each battery pack at least two battery pack Weight between 8 kilograms to 10 kilograms.
11. such as power-supply system of any of claims 1-4, which is characterized in that the control device is also used to control Second battery system is first battery system charging.
12. power-supply system as claimed in claim 11, which is characterized in that the control device is specifically used for determining described first The electricity of battery system, in the case where the electricity of first battery system is lower than default power threshold, control described second Battery system is first battery system charging.
13. such as power-supply system of any of claims 1-4, which is characterized in that wherein, the reference information include with One of lower information is a variety of: the input information of user, the electricity of first battery system, second battery system Electricity, the traffic information of the vehicle, historical statistical information and traffic route, wherein the input information of the user is for referring to Show that the user it is expected the battery system chosen, the historical statistical information is used to indicate first battery system and described the The use habit of the frequency of use of two battery systems or user to first battery system and second battery system.
14. power-supply system as claimed in claim 13, which is characterized in that the reference information includes much information, described more The priority of different information in kind information is different, and the control device is specifically used for the priority according to the much information, It is selected as the vehicle and the battery system of power is provided.
15. such as power-supply system of any of claims 1-4, which is characterized in that the capacity of first battery system In 14kWh between 28kWh.
16. power-supply system as claimed in claim 15, which is characterized in that the capacity of first battery system is in 18kWh To between 20kWh.
17. such as power-supply system of any of claims 1-4, which is characterized in that the capacity of second battery system In 2kWh between 8kWh.
18. power-supply system as claimed in claim 17, which is characterized in that the capacity of second battery system 3kWh extremely Between 5kWh.
19. such as power-supply system of any of claims 1-4, which is characterized in that first battery system is located at institute It states on the chassis of vehicle, the battery floor seat is located at the tail portion of the vehicle, and second battery system and the battery floor Seat grafting.
20. a kind of vehicle, which is characterized in that the vehicle includes the power-supply system as described in any one of claim 1-19.
21. a kind of method for controlling the power-supply system of vehicle, which is characterized in that the power-supply system includes the first battery system System, the second battery system and control device, first battery system are fixedly mounted in the vehicle, second battery system System is detachably connected by the battery pedestal in the vehicle with the vehicle,
The described method includes:
The control device determines that second battery system and vehicle are in connection status；
The control device controls first battery system and/or second battery system and provides power for the vehicle；
Second battery system includes at least two battery packs, the method also includes: described in the control device is determining extremely Whether few two battery packs belong to same battery system；
The control device, according to the reference information, is selected as the vehicle and provides the electricity of power for obtaining reference information Cell system；
The control device determines whether at least two battery pack belongs to same battery system, comprising:
The control device obtains the identification code of at least two battery pack, wherein the corresponding identification code of each battery pack；
The control device determines whether the identification code of at least two battery pack matches；
In the matched situation of identification code of at least two battery pack, the control device determines at least two battery Packet belongs to same battery system.
22. method as claimed in claim 21, which is characterized in that the method also includes:
The reference information that the control device obtains includes one of following information or a variety of: the input information of user, described The electricity of first battery system, the electricity of second battery system, the traffic information of the vehicle, historical statistical information and row Bus or train route line, wherein the input information of the user is used to indicate the user and it is expected the battery system chosen, the historical statistics Frequency of use that information is used to indicate first battery system and second battery system or user are to first battery The use habit of system and second battery system.
23. a kind of for controlling the device of the power-supply system of vehicle, which is characterized in that the power-supply system includes the first battery system System, the second battery system and described device, first battery system are fixedly mounted in the vehicle, second battery system System is detachably connected by the battery pedestal in the vehicle with the vehicle,
Described device includes:
First determining module, for determining that second battery system and vehicle are in connection status；
First control module is provided for controlling first battery system and/or second battery system for the vehicle Power；Second battery system includes at least two battery packs,
Described device further include:
Second determining module, for determining whether at least two battery pack belongs to same battery system；
Module is obtained, for obtaining reference information；
Second determining module is specifically used for obtaining the identification code of at least two battery pack, wherein each battery pack pair Answer an identification code；Determine whether the identification code of at least two battery pack matches；In the knowledge of at least two battery pack In the other matched situation of code, determine that at least two battery pack belongs to same battery system.
24. device as claimed in claim 23, which is characterized in that described device further include:
Obtaining the reference information that obtains in module includes one of following information or a variety of: the input information of user, and described the The electricity of one battery system, the electricity of second battery system, the traffic information of the vehicle, historical statistical information and driving Route, wherein the input information of the user is used to indicate the user and it is expected the battery system chosen, the historical statistics letter The frequency of use for being used to indicate first battery system and second battery system or user are ceased to first battery system The use habit of system and second battery system；
Selecting module, for being selected as the vehicle and providing the battery system of power according to the reference information.
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