CN108215929A - Electric vehicle and charge control method - Google Patents
Electric vehicle and charge control method Download PDFInfo
- Publication number
- CN108215929A CN108215929A CN201810326566.1A CN201810326566A CN108215929A CN 108215929 A CN108215929 A CN 108215929A CN 201810326566 A CN201810326566 A CN 201810326566A CN 108215929 A CN108215929 A CN 108215929A
- Authority
- CN
- China
- Prior art keywords
- single battery
- equipment
- acquisition
- battery
- electric vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- 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
Abstract
Electric vehicle and charge control method provided by the invention, are related to battery technology field.Wherein, electric vehicle includes motor, control device, multiple single batteries and multiple acquisition execution equipment.The control device is used to obtain the voltage value of the motor output electric energy when receiving brake request, and certain amount single battery is determined in the multiple single battery according to the voltage value, and perform equipment to the determining corresponding acquisition of each single battery and send control signal, it is charged with being performed after the determining each single battery of equipment control is connected in series with by each acquisition by the electric energy that the motor exports.By above-mentioned setting, the problem of poor there are charging effect when charging by the electric energy that motor braking generates to entire electric power system in the prior art can be improved.
Description
Technical field
The present invention relates to battery technology field, in particular to a kind of electric vehicle and charge control method.
Background technology
In order to reach higher energy-saving and emission-reduction, the electric vehicle that pure electric automobile or oil electricity mix is widely used.Wherein,
Power source of the electric power system as electric vehicle, performance largely affect the performance of electric vehicle.Generally, it powers
System can combine to be formed by the connection in series-parallel of multiple single batteries.
Through inventor the study found that in the prior art, the utilization rate to improve the energy, which can use, converts kinetic energy into electricity
The mode of energy realizes the purpose of braking to consume the kinetic energy of electric vehicle.But because by braking the electric energy generated to whole
A electric power system charged and there are charging effect it is poor the problem of.
Invention content
In view of this, the purpose of the present invention is to provide a kind of electric vehicle and charge control method, to improve existing skill
The problem of poor there are charging effect when being charged by the electric energy that motor braking generates to entire electric power system in art.
To achieve the above object, the embodiment of the present invention adopts the following technical scheme that：
A kind of electric vehicle, including：
Multiple single batteries；
Motor, which can be driven work and braking operation respectively, and turn kinetic energy when carrying out braking operation
It is changed to electric energy and exports；
Multiple acquisitions perform equipment, and each acquisition performs equipment and is correspondingly connected with setting with each single battery, so that
The multiple single battery can be charged after being connected in series with by the electric energy that the motor exports；
Control device, which performs equipment with each acquisition and connect respectively, for receiving brake request
When obtain the voltage value of motor output electric energy, and certain amount is determined in the multiple single battery according to the voltage value
A single battery, and perform equipment to the determining corresponding acquisition of each single battery and send control signal, to be held by each acquisition
The determining each single battery of row equipment control is charged after being connected in series with by the electric energy that the motor exports.
In the embodiment of the present invention preferably selects, in above-mentioned electric vehicle, further include：
Multiple capacity check equipment, each capacity check equipment are correspondingly arranged with each single battery, and respectively with
The current capacities of correspondence single battery detected are sent to the control device by the control device connection.
In the embodiment of the present invention preferably selects, in above-mentioned electric vehicle, further include：
Multiple temperature testing equipments, each temperature testing equipment are correspondingly arranged with each single battery, and respectively with
The Current Temperatures of correspondence single battery detected are sent to the control device by the control device connection.
In the embodiment of the present invention preferably selects, in above-mentioned electric vehicle, each acquisition performs equipment and includes：
First gating circuit, first gating circuit include the first gated end and the first connecting pin, which uses
One in the positive electrode and negative electrode for connecting the single battery；
Second gating circuit, second gating circuit include the second gated end and second connection end, which uses
Another in the positive electrode and negative electrode for connecting the single battery；
Switching circuit, the switching circuit include input/output terminal and switch terminal, which connects first gated end
Or second gated end；
Wherein, first connecting pin is additionally operable to connect the input/output terminal of another acquisition actuator so that corresponding two
A single battery is connected in series with.
On the basis of the above, the embodiment of the present invention additionally provides a kind of control device that can be applied to above-mentioned electric vehicle
Charge control method, the electric vehicle further include motor, multiple single batteries and multiple acquisitions and perform equipment, the method packet
It includes：
The voltage value of the motor output electric energy is obtained when receiving brake request；
Certain amount single battery is determined in the multiple single battery according to the voltage value；
Equipment is performed to the determining corresponding acquisition of each single battery and sends control signal, to perform equipment by each acquisition
The determining each single battery of control is charged after being connected in series with by the electric energy that the motor exports.
It is described to be existed according to the voltage value in above-mentioned charge control method in the embodiment of the present invention preferably selects
It determines to include the step of certain amount single battery in the multiple single battery：
According to the voltage value and the load voltage value of single battery to prestore, the single battery to charge is calculated
Quantity；
Corresponding number single battery is determined in the multiple single battery according to the quantity being calculated.
In the embodiment of the present invention preferably selects, in above-mentioned charge control method, the electric vehicle further includes more
A capacity check equipment, the quantity that the basis is calculated determine corresponding number monomer electricity in the multiple single battery
The step of pond, includes：
It obtains each capacity check equipment and detects the current capacities of each single battery that corresponding single battery obtains；
According to the quantity and the size of the current capacities of each single battery being calculated in the multiple single battery
In determine corresponding number single battery.
In the embodiment of the present invention preferably selects, in above-mentioned charge control method, the electric vehicle further includes more
A temperature testing equipment, the quantity that the basis is calculated determine corresponding number monomer electricity in the multiple single battery
The step of pond, includes：
It obtains each temperature testing equipment and detects the Current Temperatures of each single battery that corresponding single battery obtains；
According to the quantity and the size of the Current Temperatures of each single battery being calculated in the multiple single battery
In determine corresponding number single battery.
In the embodiment of the present invention preferably selects, in above-mentioned charge control method, the method further includes：
Judge the monomer for reaching default maximum capacity in each single battery to charge with the presence or absence of current capacities
Battery；
If there are the single battery that current capacities reach default maximum capacity, performed to the corresponding acquisition of the single battery
Equipment sends control signal, the single battery is controlled to disconnect and other each monomers to charge to perform equipment by the acquisition
Battery is connected in series with, so that the single battery stops charging.
In the embodiment of the present invention preferably selects, in above-mentioned charge control method, the method further includes：
The quantity that current capacities reach the single battery of default maximum capacity is obtained, and in current uncharged each monomer electricity
Corresponding number single battery is determined according to the size of the current capacities of each single battery in pond；
Equipment is performed to the determining corresponding acquisition of each single battery and sends control signal, to perform equipment by each acquisition
Control the electricity exported after being connected in series with of corresponding single battery and other each single batteries to charge by the motor
It can charging.
Electric vehicle and charge control method provided by the invention are correspondingly arranged one by being directed to each single battery
Acquisition performs equipment, can realize the voltage value of the electric energy exported according to motor to determine the number of the single battery to charge
Amount, and then ensure that each single battery can reliably and efficiently be charged, so as to avoid in the prior art because motor exports electric energy
Voltage value it is relatively low and the problem of be difficult to match with the charging voltage of entire electric power system, and then avoid due to voltage mismatches
The problem of causing charging effect poor, greatly improves the utilization rate of the energy.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
Fig. 1 is the structure diagram of electric vehicle provided in an embodiment of the present invention.
Fig. 2 is the connection block diagram that single battery provided in an embodiment of the present invention performs equipment with acquisition.
Fig. 3 is the circuit diagram that acquisition provided in an embodiment of the present invention performs equipment.
Fig. 4 is another structure diagram of electric vehicle provided in an embodiment of the present invention.
Fig. 5 is the flow diagram of charge control method provided in an embodiment of the present invention.
Fig. 6 is the flow diagram of step S120 in Fig. 5.
Fig. 7 is the flow diagram of step S123 in Fig. 6.
Fig. 8 is another flow diagram of step S123 in Fig. 6.
Fig. 9 is another flow diagram of charge control method provided in an embodiment of the present invention.
Figure 10 is another flow diagram of charge control method provided in an embodiment of the present invention.
Icon：100- electric vehicles；110- single batteries；120- motors；130- acquisitions perform equipment；131- first is gated
Circuit；The first gated ends of 131a-；The first connecting pins of 131b-；The second gating circuits of 133-；The second gated ends of 133a-；133b-
Two connecting pins；135- switching circuits；135a- input/output terminals；135b- switch terminals；140- control devices；150- capacity checks
Equipment；160- temperature testing equipments.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment only
It is the part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings
The component of embodiment can be configured to arrange and design with a variety of different.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.In description of the invention
In, term " first ", " second " etc. be only used for distinguish description, and it is not intended that only or imply relative importance.
In the description of the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；Can be that machinery connects
It connects or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
As shown in Figure 1, an embodiment of the present invention provides a kind of electric vehicle 100, including single battery 110, motor 120,
Acquisition performs equipment 130 and control device 140.Wherein, the control device 140 performs equipment 130 by the acquisition and controls
Making the single battery 110, whether the electric energy exported by the motor 120 charges.
Optionally, the type of the electric vehicle 100 is unrestricted, can be configured according to practical application request, example
Such as, either pure electric automobile or the electric vehicle of oil electricity mixing.
With reference to Fig. 2, in the present embodiment, the single battery 110 can be multiple.The motor 120 can respectively into
Row driving work and braking operation, and convert kinetic energy into electric energy when carrying out braking operation and export.The acquisition, which performs, to be set
Standby 130 can be multiple, and each acquisition performs equipment 130 and is correspondingly connected with setting with each single battery 110, so that described
Multiple single batteries 110 can be charged after being connected in series with by the electric energy that the motor 120 exports.The control device 140 with
Each acquisition performs equipment 130 and connects respectively.
Wherein, the control device 140 is used to obtain the electricity that the motor 120 exports electric energy when receiving brake request
Pressure value, and certain amount single battery 110 is determined in the multiple single battery 110 according to the voltage value, and to determining
Each single battery 110 it is corresponding acquisition perform equipment 130 send control signal, with by it is each acquisition perform equipment 130 control
Determining each single battery 110 is charged after being connected in series with by the electric energy that the motor 120 exports.
Optionally, the type that the acquisition performs equipment 130 is unrestricted, can be set according to practical application request
It puts, for example, two-way gating circuit can be included, wherein, another way turns off when being connected all the way, so that corresponding single battery 110
Composition closed circuit can be connected in series with other single batteries 110, the company of series connection with other single batteries 110 can also be disconnected
It connects, and other single batteries 110 is allow to be connected in series with composition closed circuit.In the present embodiment, it is described to adopt with reference to Fig. 3
Collection, which performs equipment 130, can include the first gating circuit 131, the second gating circuit 133 and switching circuit 135.
Wherein, first gating circuit 131 includes the first gated end 131a and the first connecting pin 131b, first connection
End 131b is used for one in the positive electrode and negative electrode for connecting the single battery 110.Second gating circuit 133 includes second
Gated end 133a and second connection end 133b, second connection end 133b are used to connect the anode of the single battery 110 with bearing
Another in extremely.The switching circuit 135 includes input/output terminal 135a and switch terminal 135b, switch terminal 135b connections
First gated end 131a or described, the second gated ends 133a.Also, the first connecting pin 131b is additionally operable to connect another
The input/output terminal 135a of actuator is acquired so that corresponding two single batteries 110 are connected in series with.
Optionally, the type of the control device 140 is unrestricted, can be configured according to practical application request, example
Such as, can include, but are not limited to microcontroller, Programmable logical controller or digital signal processor etc. has data-handling capacity
Electronic equipment.
Further, the current capacities of each single battery 110 are obtained for ease of the control device 140, with basis
The current capacities of each single battery 110 carry out charge control, so as to fulfill the capacity equilibrium of each single battery 110, in this implementation
In example, with reference to Fig. 4, the electric vehicle 100 can also include multiple capacity check equipment 150.
Wherein, each capacity check equipment 150 is correspondingly arranged with each single battery 110, and respectively with the control
Control equipment 140 connects, and the current capacities of correspondence single battery 110 detected are sent to the control device 140.
Further, the Current Temperatures amount of each single battery 110 is obtained for ease of the control device 140, with root
Charge control is carried out according to the Current Temperatures of each single battery 110, so as to ensure the charging of each single battery 110 safety, in this reality
It applies in example, the electric vehicle 100 can also include multiple temperature testing equipments 160.
Wherein, each temperature testing equipment 160 is correspondingly arranged with each single battery 110, and respectively with the control
Control equipment 140 connects, and the Current Temperatures of correspondence single battery 110 detected are sent to the control device 140.
With reference to Fig. 5, the embodiment of the present invention also provides a kind of charge control method that can be applied to above-mentioned electric vehicle 100.
Wherein, each process step that the charge control method includes can be performed by the control device 140.Below in conjunction with figure
5 pairs of charge control methods are explained.
Step S110 obtains the voltage value that the motor 120 exports electric energy when receiving brake request.
In the present embodiment, when needing to brake electric vehicle 100, it can send and make to the control device 140
Dynamic solicited message, so that control device 140 can be based on the brake request acquisition of information motor 120 by braking the electric energy generated
Voltage value.
Wherein, obtain motor 120 export electric energy voltage value mode it is unrestricted, can according to practical application request into
Row setting, for example, either output electricity is calculated by obtaining the rotating speed during braking of motor 120, and according to preset rules
Can voltage value or by setting voltage detection device, with detection output electric energy voltage value.
Step S120 determines certain amount single battery according to the voltage value in the multiple single battery 110
110。
In the present embodiment, it is the effective progress for ensureing to charge, the voltage value of electric energy can be exported according to motor 120, with
The total voltage value being determined to after the series connection of single battery 110 of charging, and it is calculated what can be charged according to the total voltage value
The quantity of single battery 110.For example, if motor 120 exports the voltage value of electric energy as 100V, single battery 110 connect after it is total
Voltage value can be 100V.
Wherein, determine that the mode of the quantity of single battery 110 is unrestricted according to total voltage value, it can be according to practical application
Demand, for example, when the load voltage value of each single battery 110 is identical, with reference to Fig. 6, step S120 can include step
Rapid S121 and step S123.
Step S121 according to the voltage value and the load voltage value of single battery 110 to prestore, is calculated and is filled
The quantity of the single battery 110 of electricity.
Step S123 determines corresponding number monomer according to the quantity being calculated in the multiple single battery 110
Battery 110.
In the present embodiment, if the voltage value is 100V, the load voltage value of each single battery 110 is 10V, then may be used
To select wherein 10 single batteries 110 in multiple single batteries 110.
Step S130 performs equipment 130 to the determining corresponding acquisition of each single battery 110 and sends control signal, with logical
It crosses each acquisition and performs the electric energy exported after the determining each single battery 110 of the control of equipment 130 is connected in series with by the motor 120
Charging.
In the present embodiment, each single battery 110 is correspondingly arranged there are one acquisition execution equipment 130, if performing step
The quantity of single battery 110 that rapid S123 is determined is 10, then can perform equipment 130 to corresponding 10 acquisitions sends control
Signal so that this 10 acquisition perform equipment 130 control respectively corresponding single battery 110 be connected in series with after by the motor
The electric energy charging of 120 outputs.
Optionally, in a kind of example, with reference to Fig. 7, to ensure the capacity equilibrium of each single battery 110, step is performed
When S123 is to determine the single battery 110 to charge, step S123 can include step S123a and step S123b.
Step S123a obtains each capacity check equipment 150 and detects each monomer that corresponding single battery 110 obtains
The current capacities of battery 110.
In the present embodiment, each single battery 110 is correspondingly arranged there are one capacity check equipment 150, so that described
Control device 140 can obtain the current capacities of each single battery 110 by each capacity check equipment 150.
Step S123b, according to the quantity and the size of the current capacities of each single battery 110 being calculated described
Corresponding number single battery 110 is determined in multiple single batteries 110.
It in the present embodiment, can the first smaller monomer to current capacities to ensure the capacity equilibrium of each single battery 110
Battery 110 charges.If for example, share 20 single batteries 110, wherein, the current capacities for having 5 single batteries 110 are
10%, the current capacities of 10 single batteries 110 are 20%, and the current capacities of 5 single batteries 110 are 30%.It can select
Arbitrary 5 single batteries 110 during 5 single batteries 110 and current capacities that current capacities are 10% are 20% are connected in series with
The electric energy exported afterwards by the motor 120 charges.
Optionally, in another example, with reference to Fig. 8, to ensure charging security, step S123 is performed to determine to carry out
During the single battery 110 of charging, step S123 can include step S123c and step S123d.
Step S123c obtains each temperature testing equipment 160 and detects each monomer that corresponding single battery 110 obtains
The Current Temperatures of battery 110.
In the present embodiment, each single battery 110 is correspondingly arranged there are one temperature testing equipment 160, so that described
Control device 140 can obtain the Current Temperatures of each single battery 110 by each temperature testing equipment 160.
Step S123d, according to the quantity and the size of the Current Temperatures of each single battery 110 being calculated described
Corresponding number single battery 110 is determined in multiple single batteries 110.
In the present embodiment, to ensure the charging security of each single battery 110, list that can be first relatively low to Current Temperatures
Body battery 110 charges.If for example, share 20 single batteries 110, wherein, there are the Current Temperatures of 5 single batteries 110
It it is 10 DEG C, the Current Temperatures of 10 single batteries 110 are 20 DEG C, and the Current Temperatures of 5 single batteries 110 are 30 DEG C.It can select
It selects 5 single batteries 110 that Current Temperatures are 10 DEG C and Current Temperatures is that arbitrary 5 single batteries 110 series connection in 20 DEG C connects
The electric energy exported after connecing by the motor 120 charges.
Further, it is contemplated that there may be larger difference, partial monosomy batteries for the current capacities of each single battery 110
110 can first reach default maximum capacity, and in the present embodiment, with reference to Fig. 9, the charge control method can also include step
S140 and step S150.
Step S140 judges with the presence or absence of current capacities to reach in each single battery 110 to charge and preset most
The single battery 110 of large capacity.
Step S150, if there are the single battery 110 that current capacities reach default maximum capacity, to the single battery
110 corresponding acquisitions perform equipment 130 and send control signal, and the single battery 110 is controlled to perform equipment 130 by the acquisition
Disconnection is connected in series with other each single batteries 110 to charge, so that the single battery 110 stops charging.
In the present embodiment, stop the single battery 110 to reaching default maximum capacity by performing step S150
The problem of charging, the single battery 110 being caused to damage to avoid charging lasting to the single battery 110, can also avoid
The problem of other single batteries 110 is caused not charged effectively.
Further, it is the utilization fully to the electric energy of the motor 120 output, the problem of to avoid energy waste,
In the present embodiment, with reference to Figure 10, the charge control method can also include step S160 and step S170.
Step S160 obtains the quantity that current capacities reach the single battery 110 of default maximum capacity, and is not filled currently
Corresponding number single battery is determined according to the size of the current capacities of each single battery 110 in each single battery 110 of electricity
110。
Step S170 performs equipment 130 to the determining corresponding acquisition of each single battery 110 and sends control signal, with logical
It crosses each acquisition execution equipment 130 and controls corresponding single battery 110 and other companies of series connection of each single battery 110 charged
It is charged after connecing by the electric energy that the motor 120 exports.
In the present embodiment, if the quantity that current capacities reach the single battery 110 of default maximum capacity is 5, also
To say, by perform step S150 using stop charging single battery 110 quantity as 5, for ensure charge reliable progress,
It can be by performing step S160 and step S170, to select 5 single batteries from current uncharged each single battery 110
110 be connected in series with current 5 single batteries 110 to charge after the electric energy that is exported by the motor 120 charge.
Wherein, the mode of selection is referred to step S123b or step S123c.
In conclusion electric vehicle 100 provided by the invention and charge control method, by being directed to each single battery
110 be correspondingly arranged one acquisition perform equipment 130, can realize the voltage value of the electric energy exported according to motor 120 with determine into
The quantity of the single battery of row charging, and then ensure that each single battery 110 can reliably and efficiently be charged, so as to avoid
It is difficult to what is matched with the charging voltage of entire electric power system due to the voltage value that motor 120 exports electric energy is relatively low in the prior art
Problem, and then avoid the problem that causing charging effect poor due to voltage mismatches, greatly improve the utilization rate of the energy.Its
It is secondary, by setting capacity check equipment 150, determined whether with the current capacities based on each single battery 110 to single battery 110
It charges, it is ensured that the capacity equilibrium of each single battery 110.Then, by set temperature detection device 160, to be based on
The Current Temperatures of each single battery 110 determine whether to charge to single battery 110, can further improve the effect of charging
Rate, and ensure that the safety of charging carries out.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of electric vehicle, which is characterized in that including：
Multiple single batteries；
Motor, which can be driven work and braking operation respectively, and be converted kinetic energy into when carrying out braking operation
Electric energy simultaneously exports；
Multiple acquisitions perform equipment, and each acquisition performs equipment and is correspondingly connected with setting with each single battery, so that described
Multiple single batteries can be charged after being connected in series with by the electric energy that the motor exports；
Control device, which performs equipment with each acquisition and connect respectively, for being obtained when receiving brake request
The voltage value of the motor output electric energy is taken, and determines that certain amount is single in the multiple single battery according to the voltage value
Body battery, and perform equipment to the determining corresponding acquisition of each single battery and send control signal, it is set with being performed by each acquisition
The determining each single battery of standby control is charged after being connected in series with by the electric energy that the motor exports.
2. electric vehicle according to claim 1, which is characterized in that further include：
Multiple capacity check equipment, each capacity check equipment are correspondingly arranged with each single battery, and respectively with it is described
Control device connects, and the current capacities of correspondence single battery detected are sent to the control device.
3. electric vehicle according to claim 1, which is characterized in that further include：
Multiple temperature testing equipments, each temperature testing equipment are correspondingly arranged with each single battery, and respectively with it is described
Control device connects, and the Current Temperatures of correspondence single battery detected are sent to the control device.
4. electric vehicle according to claim 1, which is characterized in that each acquisition performs equipment and includes：
First gating circuit, first gating circuit include the first gated end and the first connecting pin, which is used to connect
Meet one in the positive electrode and negative electrode of the single battery；
Second gating circuit, second gating circuit include the second gated end and second connection end, which is used to connect
Connect another in the positive electrode and negative electrode of the single battery；
Switching circuit, the switching circuit include input/output terminal and switch terminal, which connects first gated end or institute
State the second gated end；
Wherein, first connecting pin is additionally operable to connect the input/output terminal of another acquisition actuator so that corresponding two lists
Body battery is connected in series with.
5. a kind of charge control method, applied to the control device of electric vehicle described in claim 1-4 any one, feature
It is, the electric vehicle further includes motor, multiple single batteries and multiple acquisitions and performs equipment, the method includes：
The voltage value of the motor output electric energy is obtained when receiving brake request；
Certain amount single battery is determined in the multiple single battery according to the voltage value；
Equipment is performed to the determining corresponding acquisition of each single battery and sends control signal, is controlled with performing equipment by each acquisition
Determining each single battery is charged after being connected in series with by the electric energy that the motor exports.
6. charge control method according to claim 5, which is characterized in that it is described according to the voltage value the multiple
It determines to include the step of certain amount single battery in single battery：
According to the voltage value and the load voltage value of single battery to prestore, the number of the single battery to charge is calculated
Amount；
Corresponding number single battery is determined in the multiple single battery according to the quantity being calculated.
7. charge control method according to claim 6, which is characterized in that the electric vehicle further includes multiple capacity inspections
The step of measurement equipment, the quantity that the basis is calculated determines corresponding number single battery in the multiple single battery
Including：
It obtains each capacity check equipment and detects the current capacities of each single battery that corresponding single battery obtains；
It is true in the multiple single battery according to the quantity and the size of the current capacities of each single battery being calculated
Determine corresponding number single battery.
8. charge control method according to claim 6, which is characterized in that the electric vehicle further includes multiple temperature inspections
The step of measurement equipment, the quantity that the basis is calculated determines corresponding number single battery in the multiple single battery
Including：
It obtains each temperature testing equipment and detects the Current Temperatures of each single battery that corresponding single battery obtains；
It is true in the multiple single battery according to the quantity and the size of the Current Temperatures of each single battery being calculated
Determine corresponding number single battery.
9. charge control method according to claim 7, which is characterized in that the method further includes：
Judge the single battery for reaching default maximum capacity in each single battery to charge with the presence or absence of current capacities；
If there are the single battery that current capacities reach default maximum capacity, equipment is performed to the corresponding acquisition of the single battery
Control signal is sent, the single battery is controlled to disconnect and other each single batteries to charge to perform equipment by the acquisition
Be connected in series with so that the single battery stop charging.
10. charge control method according to claim 9, which is characterized in that the method further includes：
The quantity that current capacities reach the single battery of default maximum capacity is obtained, and in current uncharged each single battery
Corresponding number single battery is determined according to the size of the current capacities of each single battery；
Equipment is performed to the determining corresponding acquisition of each single battery and sends control signal, is controlled with performing equipment by each acquisition
The electric energy exported after being connected in series with of corresponding single battery and other each single batteries to charge by the motor fills
Electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326566.1A CN108215929B (en) | 2018-04-12 | 2018-04-12 | Electric car and charge control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326566.1A CN108215929B (en) | 2018-04-12 | 2018-04-12 | Electric car and charge control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108215929A true CN108215929A (en) | 2018-06-29 |
| CN108215929B CN108215929B (en) | 2019-10-11 |
Family
ID=62657731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810326566.1A Active CN108215929B (en) | 2018-04-12 | 2018-04-12 | Electric car and charge control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108215929B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531142A (en) * | 2008-03-11 | 2009-09-16 | 南京金城电动车业有限公司 | Regenerative charging device of electric bicycle |
| WO2012141344A1 (en) * | 2011-04-11 | 2012-10-18 | 한국과학기술원 | Regenerative braking control method |
| CN103765721A (en) * | 2011-09-08 | 2014-04-30 | 日立车辆能源株式会社 | Battery system monitoring device |
| CN107839509A (en) * | 2017-09-27 | 2018-03-27 | 深圳市沃特玛电池有限公司 | It is a kind of that battery balanced system can be achieved |
-
2018
- 2018-04-12 CN CN201810326566.1A patent/CN108215929B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531142A (en) * | 2008-03-11 | 2009-09-16 | 南京金城电动车业有限公司 | Regenerative charging device of electric bicycle |
| WO2012141344A1 (en) * | 2011-04-11 | 2012-10-18 | 한국과학기술원 | Regenerative braking control method |
| CN103765721A (en) * | 2011-09-08 | 2014-04-30 | 日立车辆能源株式会社 | Battery system monitoring device |
| CN107839509A (en) * | 2017-09-27 | 2018-03-27 | 深圳市沃特玛电池有限公司 | It is a kind of that battery balanced system can be achieved |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108215929B (en) | 2019-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107499180B (en) | Pure electric vehicle power control method and system | |
| CN106696744B (en) | Charging and heating system and heating method for power battery of electric automobile | |
| CN107894571B (en) | Method for estimating service life of vehicle-mounted battery pack | |
| CN105137336A (en) | Diagnostic circuit and diagnostic method for detecting electric vehicle high-voltage relay fault | |
| CN104734236B (en) | Battery set charge/discharge device and method | |
| CN103066671B (en) | Lithium battery group all fills method and apparatus | |
| CN106597274B (en) | A kind of contactor adhesion determination method | |
| CN103475041A (en) | Battery charging control system and method of electric automobile | |
| CN109823230A (en) | A kind of battery management system and electric vehicle | |
| CN101917028A (en) | Power battery pack detecting, evaluating and equalizing charge system and applying method thereof | |
| CN205632165U (en) | Power battery increases journey system | |
| CN105449734A (en) | Battery balancing device and charge and discharge balancing method thereof | |
| CN103701171A (en) | Equalizing charge control system for battery pack of HEV (Hybrid Electric Vehicle) | |
| CN107369858B (en) | A kind of Bi-objective Balance route strategy stage by stage | |
| CN109435777A (en) | Battery equalization system, vehicle, battery equalization method and storage medium | |
| CN209675461U (en) | Heater circuit, power battery pack and the electric vehicle of battery | |
| CN108666713A (en) | Battery pack heating device for double-vehicle heating and control method | |
| CN104393631A (en) | Electric quantity balancing system and balancing method | |
| CN106300546A (en) | A kind of isolation equalizing circuit for battery management system and equalization methods | |
| CN116923189A (en) | Sodium ion battery BMS system and electric vehicle based on same | |
| CN205429836U (en) | Intelligence low pressure auxiliary power unit and on -vehicle machine that charges of non - | |
| CN205141749U (en) | Electromobile lithium battery management device | |
| CN108215929B (en) | Electric car and charge control method | |
| CN218343314U (en) | Electric quantity equalization circuit and battery management system | |
| CN106696750B (en) | Power selection circuitry, charging pile and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |