CN109149747A - Charging and discharging control method and device - Google Patents
Charging and discharging control method and device Download PDFInfo
- Publication number
- CN109149747A CN109149747A CN201811094382.3A CN201811094382A CN109149747A CN 109149747 A CN109149747 A CN 109149747A CN 201811094382 A CN201811094382 A CN 201811094382A CN 109149747 A CN109149747 A CN 109149747A
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- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000007599 discharging Methods 0.000 title 1
- 230000005611 electricity Effects 0.000 claims description 179
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000013589 supplement Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of solar energy, and provides a charge and discharge control method and device. The charge and discharge control method includes: acquiring a vehicle state of a vehicle; acquiring first electric quantity of a buffer battery; determining a power supply battery and a target battery from a solar battery, a buffer battery and a whole vehicle low-voltage battery through a solar control unit according to the vehicle state and the first electric quantity; and converting the voltage provided by the power supply battery into the charging voltage of the target battery through the solar control unit, and charging the target battery. Therefore, the power supply battery and the target battery can be flexibly determined from the solar battery, the buffer battery and the low-voltage battery of the whole vehicle, the power supply battery is controlled to supply power to the target battery, the electric quantity of the solar battery can be fully utilized, and the electric quantity utilization rate of the solar battery is improved.
Description
Technical field
The present invention relates to technical field of solar more particularly to a kind of charge/discharge control methods and device.
Background technique
Existing power supply system for automobile has simplex power mode and dual power mode, and supplement power supply is generator or power electric
The mode in pond is known as simplex power mode, supplements power supply in addition to generator or power battery, there are also the modes of solar battery to claim
For dual power mode.In existing dual power mode, due to use scope of the solar cell for supplying power electricity on vehicle by
The reasons such as limitation, cause the electricity utilization rate of solar battery relatively low.As it can be seen that there are solar energy for existing power supply system for automobile
The relatively low problem of the electricity utilization rate of battery.
Summary of the invention
The embodiment of the present invention provides a kind of charge/discharge control method and device, exists to solve existing power supply system for automobile
The relatively low problem of the electricity utilization rate of solar battery.
In order to solve the above technical problems, the present invention is implemented as follows:
In a first aspect, it is used for charge-discharge controller the embodiment of the invention provides a kind of charge/discharge control method, it is described
Charge and discharge device accesses vehicle, and the charge-discharge controller includes solar battery, buffer battery, vehicle A-battery and too
Sun can control unit, and the charge/discharge control method includes:
Obtain the vehicle-state of the vehicle；
Obtain the first electricity of the buffer battery；
By the solar control unit according to the vehicle-state and first electricity, from the solar-electricity
Pond, buffer battery determine supplying cell and target battery in vehicle A-battery；
The voltage that the supplying cell provides is converted into filling for the target battery by the solar control unit
Piezoelectric voltage charges to the target battery.
Optionally, it is described by the solar control unit according to the vehicle-state and first electricity, from institute
It states solar battery, buffer battery, determine supplying cell and target battery in vehicle A-battery, comprising:
In the case where the vehicle-state is driving states, by the solar control unit according to first electricity
Amount, selects at least one as the supplying cell from the solar battery and the buffer battery, and the vehicle is low
Piezoelectric battery is as the target battery.
Optionally, the charge-discharge controller further includes electrical source of power, described to be incited somebody to action by the solar control unit
The voltage that the supplying cell provides is converted to the charging voltage of the target battery, charges to the target battery, comprising:
In the case where the electrical source of power exports the first charging voltage to the vehicle A-battery, pass through the sun
Can control unit according between first charging voltage, the electrical source of power and the vehicle A-battery first resistor and
Second resistance and the second electric current and dynamic between first electric current, the solar control unit and the vehicle A-battery
Offset voltage, determines the second charging voltage, the dynamic offset voltage by the solar battery quota power or with institute
Power needed for stating the vehicle low-voltage load of vehicle A-battery electrical connection determines；
The voltage that the supplying cell provides is converted into second charging voltage by the solar control unit,
It charges to the vehicle A-battery, wherein effectively filling in the vehicle A-battery is loaded in second charging voltage
Piezoelectric voltage is greater than the effective charging voltage loaded in first charging voltage in the vehicle A-battery.
Optionally, it is described by the solar control unit according to first electricity, from the solar battery and
Select at least one as the supplying cell in the buffer battery, comprising:
In the case where first electricity is less than the first preset threshold, by described in the solar control Unit selection
Solar battery is as the supplying cell；Alternatively,
In the case where first electricity is greater than or equal to the first preset threshold, selected by the solar control unit
The solar battery and the buffer battery are selected as the supplying cell.
Optionally, described by solar battery described in the solar control Unit selection and the buffer battery conduct
After the supplying cell, the method also includes:
The second electricity of the buffer battery is obtained by the solar control unit；
In the case where second electricity is less than or equal to the second preset threshold, pass through the solar control unit control
It makes the buffer battery and stops power supply.
Optionally, it is described by the solar control unit according to the vehicle-state and first electricity, from institute
It states solar battery, buffer battery, determine supplying cell and target battery in vehicle A-battery, comprising:
In the case where the vehicle-state is halted state, by the solar control unit according to first electricity
Amount, selects at least one as the target battery, by the sun from the buffer battery and the vehicle A-battery
Energy battery is as the supplying cell.
Optionally, it is described by the solar control unit according to first electricity, from the buffer battery and institute
Stating in vehicle A-battery selects at least one as target battery, comprising:
In the case where first electricity is less than or equal to third predetermined threshold value, selected by the solar control unit
The buffer battery is selected as the target battery；Alternatively,
In the case where first electricity is greater than third predetermined threshold value and/or buffer battery charging terminates, pass through
The solar control unit obtains the third electricity of the vehicle A-battery, is less than or equal to the in the third electricity
In the case where four preset thresholds, by vehicle A-battery described in the solar control Unit selection as the target electricity
Pond.
Optionally, it is described the third electricity be less than or equal to four preset thresholds in the case where, by it is described too
Sun can control after vehicle A-battery is as the target battery described in Unit selection, the method also includes:
The buffer battery is controlled by the solar control unit to charge to the vehicle A-battery.
Second aspect, the embodiment of the invention provides a kind of charge-discharge controller, the charge and discharge device accesses vehicle,
The charge-discharge controller includes solar battery, buffer battery, vehicle A-battery and solar control unit, described to fill
Discharge control device further include:
First obtains module, for obtaining the vehicle-state of the vehicle；
Second obtains module, for obtaining the first electricity of the buffer battery；
Determining module, for by the solar control unit according to the vehicle-state and first electricity, from
The solar battery, buffer battery determine supplying cell and target battery in vehicle A-battery；
First control module, for being converted to the voltage that the supplying cell provides by the solar control unit
The charging voltage of the target battery charges to the target battery.
Optionally, the determining module, be also used to the vehicle-state be driving states in the case where, by it is described too
Sun can control unit according to first electricity, selected from the solar battery and the buffer battery at least one as
The supplying cell, using the vehicle A-battery as the target battery.
Optionally, the charge-discharge controller further includes electrical source of power, and first control module includes:
Submodule is determined, for the case where the electrical source of power exports the first charging voltage to the vehicle A-battery
Under, by the solar control unit according to first charging voltage, the electrical source of power and the vehicle A-battery
Between first resistor and the first electric current, the solar control unit and the vehicle A-battery between second resistance and
Second electric current and dynamic offset voltage determine the second charging voltage, dynamic offset voltage the expiring by the solar battery
Power needed for volume power or the vehicle low-voltage load being electrically connected with the vehicle A-battery determines；
Control submodule, for the voltage that the supplying cell provides to be converted to institute by the solar control unit
The second charging voltage is stated, is charged to the vehicle A-battery, wherein is loaded in second charging voltage low in the vehicle
It is electric in effective charging of the vehicle A-battery that effective charging voltage of piezoelectric battery is greater than load in first charging voltage
Pressure.
Optionally, the determining module is also used to pass through in the case where first electricity is less than the first preset threshold
Solar battery described in the solar control Unit selection is as the supplying cell；Alternatively,
In the case where first electricity is greater than or equal to the first preset threshold, selected by the solar control unit
The solar battery and the buffer battery are selected as the supplying cell.
Optionally, the charge-discharge controller further include:
Third obtains module, for obtaining the second electricity of the buffer battery by the solar control unit；
Second control module, for passing through institute in the case where second electricity is less than or equal to the second preset threshold
It states solar control unit and controls the buffer battery stopping power supply.
Optionally, the determining module, be also used to the vehicle-state be halted state in the case where, by it is described too
Sun can control unit according to first electricity, select at least one work from the buffer battery and the vehicle A-battery
For the target battery, using the solar battery as the supplying cell.
Optionally, the determining module is also used to the case where first electricity is less than or equal to third predetermined threshold value
Under, by buffer battery described in the solar control Unit selection as the target battery；Alternatively,
In the case where first electricity is greater than third predetermined threshold value and/or buffer battery charging terminates, pass through
The solar control unit obtains the third electricity of the vehicle A-battery, is less than or equal to the in the third electricity
In the case where four preset thresholds, by vehicle A-battery described in the solar control Unit selection as the target electricity
Pond.
Optionally, the charge/discharge control method further include:
Third control module, for controlling the buffer battery to the vehicle low pressure by the solar control unit
Battery charging.
In the embodiment of the present invention, the vehicle-state of the vehicle is obtained；Obtain the first electricity of the buffer battery；Pass through
The solar control unit is according to the vehicle-state and first electricity, from the solar battery, buffer battery, whole
Supplying cell and target battery are determined in vehicle A-battery；The supplying cell is provided by the solar control unit
Voltage is converted to the charging voltage of the target battery, charges to the target battery.In this way, due to can be neatly from described
Solar battery, buffer battery determine supplying cell and target battery in vehicle A-battery, and control supplying cell is to target electricity
Pond power supply, can make full use of the electricity of solar battery, improve the electricity utilization rate of solar battery.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is one of the flow chart of charge/discharge control method provided in an embodiment of the present invention；
Fig. 2 is one of the hardware structure diagram of charge-discharge controller provided in an embodiment of the present invention；
Fig. 3 is the two of the hardware structure diagram of charge-discharge controller provided in an embodiment of the present invention；
Fig. 4 is the two of the flow chart of charge/discharge control method provided in an embodiment of the present invention；
Fig. 5 is power supply the principle figure provided in an embodiment of the present invention；
Fig. 6 is the three of the flow chart of charge/discharge control method provided in an embodiment of the present invention；
Fig. 7 is the four of the flow chart of charge-discharge controller provided in an embodiment of the present invention；
Fig. 8 is one of the structure chart of charge-discharge controller provided in an embodiment of the present invention；
Fig. 9 is the two of the structure chart of charge-discharge controller provided in an embodiment of the present invention；
Figure 10 is the three of the structure chart of charge-discharge controller provided in an embodiment of the present invention；
Figure 11 is the four of the structure chart of charge-discharge controller 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 described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It is one of the flow chart of charge/discharge control method provided in an embodiment of the present invention referring to Fig. 1, Fig. 1.The charge and discharge is automatically controlled
Method processed is used for charge-discharge controller, and the charge-discharge controller accesses vehicle, and the charge-discharge controller includes too
Positive energy battery, buffer battery, vehicle A-battery and solar control unit.For example, it refering to Fig. 2-3, Fig. 2 can be this
One of the hardware structure diagram of charge-discharge controller that inventive embodiments provide, Fig. 3 is charge and discharge provided in an embodiment of the present invention
The two of the hardware structure diagram of control device.
As shown in Fig. 2, charge-discharge controller includes solar control unit 201, solar battery 202, buffer battery
203, the first battery sensor 204, entire car controller 205, power battery 206, power DC-DC (DC-DC) converter
207, external low-voltage load 2081, the first automobile low-voltage load 2082, the second automobile low-voltage load 2083, N automobile low pressure are negative
Carry 2084, vehicle A-battery 2091 and the second battery sensor 2092.
In the present embodiment, solar battery 202 can be to connect and be connected in parallel group by multiple solar battery cells
At solar panel.Solar panel may be mounted at the area without shade of vehicle.For example, it may be mounted at Automobile
On the automobile components such as surface, the sunshade of body top cover.Photoelectric conversion can occur for solar panel, convert the solar into pair
The electricity answered, specifically, the output power of solar battery may be at 50-2000W.Available solar battery can be
Monocrystaline silicon solar cell, polysilicon solar cell, amorphous silicon thin-film solar cell, CIGS thin-film solar electricity
Pond, cadmium telluride diaphragm solar battery, gallium arsenide film solar battery, dye-sensitized solar cells, the organic flexible sun
Energy battery etc., herein with no restrictions.
Buffer battery 203 can temporarily store the electrical storage device of solar battery electricity generated.Buffer battery 203
Voltage rating can be 12V-24V, or can be above 24V.Buffer battery 203 can for plumbic acid, nickel-metal hydride battery and lithium from
Sub- battery etc..
First battery sensor 204 and the second battery sensor 2092 be for detect the electric current of battery, voltage, temperature,
The detection device of the various states such as charged state.First battery sensor 204 and the second battery sensor 2092 pass through vehicle-mounted net
Network, such as One-to-one communication route or controller zone network (Controller Area Network, CAN) and solar energy control
Unit 201 processed communicates to connect.The various states that first battery sensor 204 and the second battery sensor 2092 can will test
It is sent to solar control unit 201.
External low-voltage load 2081, the first automobile low-voltage load 2082, the second automobile low-voltage load 2083, N automobile are low
Pressure load 2084 refers to the load being powered in vehicle using relatively low voltage, for example, light emitting device, Wiper system, sound
Frequency device etc..For example, low pressure can be 12V between 15V.
Solar control unit 201 includes temperature sensor 2011, access vehicle DC-DC converter 2012, solar energy control
Device 2013 processed, solar energy DC-DC converter 2014, load drive module 2015.Solar controller 2013 is passed with temperature respectively
Sensor 2011, solar energy DC-DC converter 2014, load drive module 2015, access vehicle DC-DC converter 2012, first
Battery sensor 204 is electrically connected.Solar energy DC-DC converter 2014 also respectively with solar battery 202, load drive module
2015, it accesses vehicle DC-DC converter 2012 and buffer battery 203 is electrically connected.Access vehicle DC-DC converter 2012 is also divided
It is not electrically connected with buffer battery 203 and vehicle A-battery 2091.Load drive module 2015 also respectively with external low-voltage load
2081, the first automobile low-voltage load 2082, the electrical connection of the second automobile low-voltage load 2083.Vehicle A-battery 2091 also respectively with
External low-voltage load 2081, the first automobile low-voltage load 2082, the second automobile low-voltage load 2083, N automobile low-voltage load
2084, the second battery sensor 2092 and entire car controller 205, power DC-DC converter 207 are electrically connected.Entire car controller 205
Also it is electrically connected respectively with solar control unit 201 and power DC-DC converter 207.Power DC-DC converter 207 also with it is dynamic
The electrical connection of power battery.
Supplementary explanation, solar energy DC-DC converter 2014 and access vehicle DC-DC converter 2012 can be set
The inside of solar control unit 201 also can be set in the outside of solar control unit 201, herein with no restrictions.
As shown in figure 3, charge-discharge controller 200 includes solar control unit 201, solar battery 202, buffering electricity
Pond 203, the first battery sensor 204, entire car controller 205, automobile current generator 207, external low-voltage load 2081, the first automobile
Low-voltage load 2082, the second automobile low-voltage load 2083, N automobile low-voltage load 2084, vehicle A-battery 2091 and second
Battery sensor 2092.
Supplementary explanation is that the power battery 206 of Fig. 2 is converted by power DC-DC in place of the difference of Fig. 2 and Fig. 3
Device 207 is electrically connected with vehicle A-battery 2091, can be the power supply of vehicle A-battery 2091 by power battery 206.Fig. 3 institute
The automobile current generator 207 shown is electrically connected with vehicle A-battery 2091, can be vehicle A-battery by automobile current generator 207
2091 power supplies.Power battery 206 and automobile current generator 207 all can serve as the electrical source of power of vehicle A-battery.The present invention is real
The charge/discharge control method for applying example offer can be used for Fig. 2 and charge-discharge controller shown in Fig. 3.
Referring to Fig. 1, charge/discharge control method as shown in Figure 1 the following steps are included:
Step 101, the vehicle-state for obtaining the vehicle.
In embodiments of the present invention, vehicle-state includes driving states and halted state.The CAN bus of vehicle can be passed through
Vehicle-state is obtained in real time, or vehicle-state can be determined according to the vehicle voltage of acquisition.For example, being in vehicle voltage
When the corresponding voltage of driving states, determine that vehicle is in driving states, when vehicle voltage is the corresponding voltage of halted state, really
Determine vehicle and is in halted state.
Step 102, the first electricity for obtaining the buffer battery.
In the present embodiment, buffer battery can be used for storing the electricity of solar battery.In the step, specifically,
The first electricity of buffer battery can be obtained by battery sensor.
For example, in Fig. 2 and charge-discharge controller shown in Fig. 3 200, the first battery sensor can be passed through
204 obtain the first electricity of buffer battery 203.
Step 103, by the solar control unit according to the vehicle-state and first electricity, from it is described too
It is positive can battery, buffer battery, determine supplying cell and target battery in vehicle A-battery.
In the present embodiment, for the supplying cell to provide the battery of charging voltage to other batteries or component, target is electric
Pond is battery to be charged.The vehicle-state includes driving states and halted state, since vehicle is under different conditions, buffering
The power consumption condition of battery and vehicle A-battery is different, and in addition the electricity of buffer battery has an impact to buffer battery performance,
In order to ensure the power consumption of buffer battery and vehicle A-battery under the working performance requirement of buffer battery and different vehicle state
Demand, therefore need according to vehicle-state and the electricity of buffer battery, from the solar battery, buffer battery, vehicle low tension
Supplying cell and target battery are determined in pond.
For example, when vehicle-state is driving states, select vehicle A-battery as target battery；According to first
Electricity can choose solar battery work and/or buffer battery as supplying cell.When vehicle-state is halted state, choosing
Solar battery is selected as supplying cell；According to the first electricity, buffer battery and/or vehicle A-battery can choose as mesh
Mark battery.
The voltage that the supplying cell provides is converted to the target by the solar control unit by step 104
The charging voltage of battery charges to the target battery.
For example, as shown in Fig. 2, being supplying cell in solar battery 202, vehicle A-battery 2091 is used as target
In the case where battery, solar energy DC-DC conversion is controlled by the solar controller 2013 in the solar control unit 201
Device 2014 and access vehicle DC-DC converter 2012, are converted to vehicle A-battery for the output voltage of solar battery 202
Voltage needed for 2091 is powered to vehicle A-battery 2091.It is supplying cell, vehicle A-battery in buffer battery 203
2091, as in the case where target battery, are connect by the control of solar controller 2013 in the solar control unit 201
Enter vehicle DC-DC converter 2012, electricity needed for the output voltage of buffer battery 203 is converted to vehicle A-battery 2091
Pressure, is powered to vehicle A-battery 2091.It is supplying cell, vehicle low pressure in solar battery 202 and buffer battery 203
Battery 2091 passes through the solar controller 2013 in the solar control unit 201, control as in the case where target battery
System access vehicle DC-DC converter 2012 turns the output voltage of buffer battery 203 and the output voltage of solar battery 202
Voltage needed for being changed to vehicle A-battery 2091 is powered to vehicle A-battery 2091.
Supplementary explanation, in the present embodiment, can also be directly to vehicle low pressure by the solar control unit
Load is powered.
For example, as shown in Fig. 2, controlling solar energy DC-DC converter 2014 by the solar controller 2013
Voltage needed for the output voltage of solar battery 202 being converted to low-voltage load, it is right by load drive module 2015
External low-voltage load 2081, the first automobile low-voltage load 2082, the second automobile low-voltage load 2083 are powered.
Charge/discharge control method provided in an embodiment of the present invention, by the vehicle-state for obtaining the vehicle；Described in acquisition
First electricity of buffer battery；By the solar control unit according to the vehicle-state and first electricity, from institute
It states solar battery, buffer battery, determine supplying cell and target battery in vehicle A-battery；Pass through the solar control
The voltage that the supplying cell provides is converted to the charging voltage of the target battery by unit, is charged to the target battery.
In this way, due to can neatly determine supplying cell and target from the solar battery, buffer battery, vehicle A-battery
Battery, control supplying cell power to target battery, can make full use of the electricity of solar battery, improve solar battery
Electricity utilization rate.
Referring to Fig. 4, Fig. 4 is the two of the flow chart of charge/discharge control method provided in an embodiment of the present invention.As shown in Figure 4
Charge/discharge control method be applied to charge-discharge controller, the charge-discharge controller accesses vehicle, and the charge and discharge is automatically controlled
Device processed includes solar battery, buffer battery, vehicle A-battery, solar control unit and electrical source of power, electrical source of power
It can be generator etc..The charge-discharge controller can be charge-discharge controller 200, Fig. 4 as shown in Figure 2 or Figure 3
Shown in charge/discharge control method the following steps are included:
Step 401, the vehicle-state for obtaining the vehicle.
The realization process and beneficial effect of this step may refer to the description in step 101, and details are not described herein again.
Step 402, the first electricity for obtaining the buffer battery.
The realization process and beneficial effect of this step may refer to the description in step 102, and details are not described herein again.
Step 403, in the case where the vehicle-state is driving states, pass through the solar control unit according to institute
The first electricity is stated, selects at least one as the supplying cell from the solar battery and the buffer battery, by institute
Vehicle A-battery is stated as the target battery.
It is understood that the vehicle A-battery needs to power to vehicle low-voltage load under driving states, have
Electric quantity consumption, therefore need using vehicle A-battery as target battery.
Optionally, described in the step 403 by the solar control unit according to first electricity, from it is described too
Select at least one as the supplying cell in positive energy battery and the buffer battery, comprising:
In the case where first electricity is less than the first preset threshold, by described in the solar control Unit selection
Solar battery is as the supplying cell；Alternatively,
In the case where first electricity is greater than or equal to the first preset threshold, selected by the solar control unit
The solar battery and the buffer battery are selected as the supplying cell.
It is understood that the first preset threshold can be default setting value, or customized setting value, for example,
To protect buffer battery, 50%, 30% etc. can be set by the first preset threshold, herein with no restrictions.
It for example, can be referring again to Fig. 2, the first of the buffer battery 203 that the first battery sensor 204 detects
In the case that electricity is less than the first preset threshold, selected by the solar controller 2013 in the solar control unit 201
Solar battery 202 is selected as supplying cell.In the first electricity of the buffer battery 203 that the first battery sensor 204 detects
In the case where more than or equal to the first preset threshold, pass through the solar controller 2013 in the solar control unit 201
Select solar battery 202 and buffer battery as supplying cell.
In this way, can neatly be selected from solar battery 202 and buffer battery 203 according to the electricity of buffer battery
Supplying cell effectively improves the utilization rate of the electricity of solar battery while ensureing the service performance of buffer battery.
The voltage that the supplying cell provides is converted to the target by the solar control unit by step 404
The charging voltage of battery charges to the target battery.
Optionally, which may comprise steps of:
In the case where the electrical source of power exports the first charging voltage to the vehicle A-battery, pass through the sun
Can control unit according between first charging voltage, the electrical source of power and the vehicle A-battery first resistor and
Second resistance and the second electric current and dynamic between first electric current, the solar control unit and the vehicle A-battery
Offset voltage, determines the second charging voltage, the dynamic offset voltage by the solar battery quota power or with institute
Power needed for stating the vehicle low-voltage load of vehicle A-battery electrical connection determines；
The voltage that the supplying cell provides is converted into second charging voltage by the solar control unit,
It charges to the vehicle A-battery, wherein effectively filling in the vehicle A-battery is loaded in second charging voltage
Piezoelectric voltage is greater than the effective charging voltage loaded in first charging voltage in the vehicle A-battery.
It remarks additionally, the effective charging voltage loaded in second charging voltage in the vehicle A-battery is
The voltage at vehicle A-battery both ends is loaded in second charging voltage, can directly be the vehicle A-battery
Electric energy is provided.There are also portion voltages to load in the solar control unit and the vehicle low pressure in second charging voltage
In second resistance between battery.
The effective charging voltage loaded in first charging voltage in the vehicle A-battery charges for described first
The voltage at vehicle A-battery both ends is loaded in voltage, directly can provide electric energy for the vehicle A-battery.Institute
State the first electricity that there are also portion voltage loads between the electrical source of power and the vehicle A-battery in the first charging voltage
In resistance.
In this way, by loading effective charging voltage in the vehicle A-battery in second charging voltage greater than institute
The effective charging voltage loaded in the first charging voltage in the vehicle A-battery is stated, therefore solar control unit is low to vehicle
The charge efficiency that piezoelectric battery charges is higher than the charge efficiency that electrical source of power charges to vehicle A-battery, can be improved
The speed to charge to vehicle A-battery.
In the present embodiment, electrical source of power can form for power battery 206 shown in Fig. 2 and power DC-DC converter
Electrical source of power, electrical source of power may be automobile current generator 207 shown in Fig. 3, herein with no restrictions.
Referring to Fig. 5, Fig. 5 is power supply the principle figure provided in an embodiment of the present invention.As shown in figure 5, electrical source of power 501 is to whole
Vehicle A-battery 503 exports the first charging voltage U1, solar control unit 502 second fills to the output of vehicle A-battery 503
Piezoelectric voltage U2, the voltage at 503 both ends of vehicle A-battery is U, first between electrical source of power 501 and vehicle A-battery 503
Resistance R1And the first electric current I1, second resistance R between the solar control unit 502 and the vehicle A-battery 5032
And the second electric current I2.Dynamic offset voltage indicates that the parameter that can be demarcated according to vehicle determines dynamic supplement voltage with △ U.Tool
Body, quota power or the vehicle low-voltage load that with the vehicle A-battery is electrically connected of the △ U by the solar battery
Required power determines.
Power supply the principle figure is it is found that by solar control unit 502, second resistance R according to figure 52With vehicle low pressure
In the circuit that battery 503 forms, meet formula (1): U2=U+I2R2+ △ U, U2Second provided for solar control unit 502
Charhing unit, U are the voltage at 503 both ends of vehicle A-battery, I2R2Expression electric current is I2When second resistance R2The voltage at both ends,
△ U is dynamic supplement voltage, can determine dynamic offset voltage according to the various parameters demarcated in advance, for example, the dynamic is mended
Repaying voltage △ U can quota power by the solar battery or the vehicle low pressure that is electrically connected with the vehicle A-battery
Power needed for loading determines.
By electrical source of power 501, first resistor R1In the circuit formed with vehicle A-battery 503, meet formula (2): U=
U1-I1R1, U1For the first charging voltage that electrical source of power 501 provides, U is the voltage at 503 both ends of vehicle A-battery, I1R1It indicates
Electric current is I1When first resistor R1The voltage at both ends.
Formula (3): U can be derived in conjunction with formula (1) and formula (2)2=U1-I1R1+I2R2+ △ U, wherein U2For too
Sun can control the second charging voltage of the offer of unit 502, U1For the first charging voltage that electrical source of power 501 provides, △ U is dynamic
Supplement voltage, I1R1Expression electric current is I1When first resistor R1The voltage at both ends, I2R2Expression electric current is I2When second resistance R2Both ends
Voltage.So as to determine that solar control unit needs the charging voltage to the offer of vehicle A-battery according to formula (3).
By formula (3) it is found that the second charging voltage U2Effective charging voltage of the middle load in the vehicle A-battery 503
Greater than the first charging voltage U1Effective charging voltage of the middle load in the vehicle A-battery 503.
Supplementary explanation, first resistor R1And second resistance R2It in the ideal situation, can be 0.First resistor R1,
Two resistance R2, the first electric current I1And the second electric current I2It can be obtained by sensor measurement.Electrical source of power 501 is to vehicle low tension
Pond 503 exports the first charging voltage U1It is a definite value under normal circumstances.Therefore the second charging can be calculated according to formula (3)
Voltage U2。
In the present embodiment, the supplying cell is at least one of the solar battery and the buffer battery.
For example, referring to Fig. 2, passing through the solar control list in the case where supplying cell is solar battery 202
Solar controller 2013 in member 201, can control solar energy DC-DC converter 2014 for the output of solar battery 202
Voltage is converted to the second charging voltage, and control access vehicle DC-DC converter 2012 is described in vehicle A-battery 2091 provides
Second charging voltage.In the case where supplying cell is buffer battery 203, by the solar control unit 201
Solar controller 2013, the output voltage of buffer battery 203 is converted to the by control access vehicle DC-DC converter 2012
Two charging voltages, and be that vehicle A-battery 2091 provides the second charging electricity by access vehicle DC-DC converter 2012
Pressure.In the case where supplying cell is the solar battery 202 and buffer battery 203, pass through the solar control unit
Solar controller 2013 in 201, control solar energy DC-DC converter 2014 to the input voltage of solar battery 202 into
Row adjustment, and voltage input adjusted is accessed into vehicle DC-DC converter 2012, access vehicle DC-DC converter 2012 is right
Voltage is converted after the adjustment of output voltage and solar energy DC-DC converter 2014 input of buffer battery 203, obtains second
Charging voltage is that vehicle A-battery 2091 provides second charging voltage by access DC-DC converter 20112.
In this way it can be ensured that loading effective charging voltage in the vehicle A-battery in the second charging voltage greater than institute
The effective charging voltage loaded in the first charging voltage in the vehicle A-battery is stated, vehicle A-battery is filled in raising
The efficiency of electricity.
Optionally, described by solar battery described in the solar control Unit selection and the buffer battery conduct
After the supplying cell, can with the following steps are included:
The second electricity of the buffer battery is obtained by the solar control unit；
In the case where second electricity is less than or equal to the second preset threshold, pass through the solar control unit control
It makes the buffer battery and stops power supply.
In the present embodiment, the second preset threshold can be default setting system, or customized setting value.For example,
To protect buffer battery, 10% etc. can be set by the second preset threshold.
It for example, can be referring again to Fig. 2, the second of the buffer battery 203 that the first battery sensor 204 detects
In the case that electricity is less than or equal to the second preset threshold, pass through the solar controller in the solar control unit 201
2013 control buffer batteries 203 stop power supply.
In this way it can be ensured that the electricity of buffer battery will not be too low, extend the service life of buffer battery.
It should be noted that the embodiment also can be applied to the corresponding embodiment of Fig. 1, and reach identical beneficial
Effect, to avoid repeating, details are not described herein again.
Supplementary explanation, temperature sensor 2011 shown in Fig. 2 can monitor the temperature of solar control unit 201,
In the case where the temperature that temperature sensor 2011 monitors is more than setting range, solar control unit 201 starts overheat protector,
Solar control unit 201 can be protected.Temperature sensor 3011 shown in Fig. 3 can monitor solar control unit
301 temperature, in the case where the temperature that temperature sensor 3011 monitors is more than setting range, solar control unit 301 is opened
Dynamic overheat protector, can protect solar control unit 301.
Supplementary explanation, step 103 may comprise steps of in the embodiment shown in fig. 1:
In the case where the vehicle-state is halted state, by the solar control unit according to first electricity
Amount, selects at least one as the target battery, by the sun from the buffer battery and the vehicle A-battery
Energy battery is as the supplying cell.
In the present embodiment, whether vehicle is in halted state, can be determined according to the vehicle voltage of acquisition, can also
It is determined with the information obtained in real time by CAN bus.It for example, is the corresponding electricity of halted state in whole vehicle state voltage
When pressure, determine that vehicle is in halted state.In the case where vehicle is in halted state, solar battery can be vehicle A-battery
And/or buffer battery charging.
Specifically, target electricity can be determined from vehicle A-battery and buffer battery according to the electricity of buffer battery
Pond.For example, in charge-discharge controller 200 shown in Fig. 2, by solar control unit 201 can according to the first electricity,
It selects buffer battery as target battery, vehicle low pressure can also be selected by solar control unit 201 according to the first electricity
Battery can also select buffer battery and vehicle low as target battery by solar control unit 201 according to the first electricity
Piezoelectric battery is as target battery.
In the present embodiment, under halted state, it is low to the buffer battery and the vehicle to can control solar battery
At least one battery selected in piezoelectric battery charges, and can charge in time to buffer battery and the vehicle A-battery,
Solve the problems, such as the feed of vehicle.
Optionally, it is described by the solar control unit according to first electricity, from the buffer battery and institute
Stating in vehicle A-battery selects at least one as target battery, comprising:
In the case where first electricity is less than or equal to third predetermined threshold value, selected by the solar control unit
The buffer battery is selected as the target battery；Alternatively,
In the case where first electricity is greater than third predetermined threshold value and/or buffer battery charging terminates, pass through
The solar control unit obtains the third electricity of the vehicle A-battery, is less than or equal to the in the third electricity
In the case where four preset thresholds, by vehicle A-battery described in the solar control Unit selection as the target electricity
Pond.
In embodiments of the present invention, third predetermined threshold value can be default setting value, or customized setting value.The
Three electricity are less than or equal to third predetermined threshold value, illustrate that the comparision of quantity of electricity of buffer battery is small, can also store solar battery and mention
The electricity of confession, therefore select buffer battery as target battery, buffer battery stores the electricity that solar battery provides, can be abundant
Ground stores the electricity of solar battery.
For example, referring to Fig. 2, in the first electricity of the buffer battery 203 that the first battery sensor 204 detects
In the case that amount is less than or equal to third predetermined threshold value, select buffer battery 203 as target by solar control unit 201
Battery, solar controller 2013 can control solar energy DC-DC converter 2014 and turn the output voltage of solar battery 202
It is changed to the charging voltage of buffer battery 203, is charged for buffer battery 203.
In the present embodiment, the third electricity is greater than third predetermined threshold value, illustrates that the electric current of buffer battery is more sufficient,
It can temporarily not have to charge.Buffer battery charging terminates, and explanation does not have to temporarily charge to buffer battery yet.Vehicle low tension
The third electricity in pond is less than or equal to the 4th preset threshold, illustrates that the electricity ratio of vehicle A-battery is less, vehicle A-battery
The electricity of solar battery offer can also be provided, therefore select vehicle A-battery as target battery, vehicle A-battery is deposited
The electricity that solar battery provides is stored up, fully the electricity of solar battery can be stored.
For example, referring to Fig. 2, as shown in Fig. 2, the buffer battery detected in the first battery sensor 204
In the case that 203 the first electricity is greater than third predetermined threshold value, the second battery sensor 2092 detects vehicle A-battery
In the case that 2091 third electricity is less than or equal to the 4th preset threshold, vehicle is selected by solar control unit 201
A-battery 2091 is used as target battery.Solar controller 2013 can control access vehicle DC-DC converter 2012 will too
The output voltage of positive energy battery 202 is converted to the charging voltage of vehicle A-battery 2091, carries out for vehicle A-battery 2091
Charging.
In this way, due to can neatly select buffer battery and vehicle A-battery as target battery, by solar-electricity
The electric energy that pond provides is stored in target battery, can make full use of the electric current of solar battery, improves the electricity benefit of solar battery
With rate.
Optionally, it is described the third electricity be less than or equal to four preset thresholds in the case where, by it is described too
Sun can control after vehicle A-battery is as the target battery described in Unit selection, the method also includes:
The buffer battery is controlled by the solar control unit to charge to the vehicle A-battery.
For example, referring to Fig. 2, select the vehicle A-battery 2091 as the target battery after,
The output voltage of buffer battery 203 is converted to vehicle by the control access vehicle DC-DC converter 2012 of solar controller 2013
The charging voltage of A-battery 2091 charges for vehicle A-battery 2091.Meanwhile solar controller 2013 can be with
The output voltage of solar battery 202 is converted to vehicle A-battery 2091 by control access vehicle DC-DC converter 2012
Charging voltage charges for vehicle A-battery 2091.
In this way, can be the charging of vehicle A-battery by buffer battery, the charging effect of vehicle A-battery can be improved
Rate improves the electricity utilization rate of buffer battery.
In embodiments of the present invention, pass through the vehicle-state of the acquisition vehicle；Obtain the first electricity of the buffer battery
Amount；In the case where the vehicle-state is driving states, by the solar control unit according to first electricity, from
Select at least one as the supplying cell in the solar battery and the buffer battery, by the vehicle A-battery
As the target battery；The voltage that the supplying cell provides is converted into the target by the solar control unit
The charging voltage of battery charges to the target battery.In this way, can neatly select solar-electricity due under driving states
Pond and buffer battery can make full use of the electricity of solar battery for the charging of vehicle A-battery, improve as supplying cell
The electricity utilization rate of solar battery.
Referring to Fig. 6, Fig. 6 is the three of the flow chart of charge/discharge control method provided in an embodiment of the present invention.As shown in Figure 6
Charge/discharge control method be applied to charge-discharge controller, charge-discharge controller access vehicle, the battery charge controller
It can be hair including solar battery, buffer battery, electrical source of power, vehicle low-voltage load, vehicle A-battery and electrical source of power
Motor etc..The charge-discharge controller can be with Fig. 2 or charge-discharge controller shown in Fig. 3, charge and discharge control shown in fig. 6
Method the following steps are included:
Step 601, acquisition whole vehicle state.
In the present embodiment, the whole vehicle state includes battery information, load information and information of voltage of vehicle etc..
Step 602 judges whether whole vehicle state is in driving states.
Whether vehicle is in driving states, can be determined according to the vehicle voltage of acquisition.It is driving in vehicle voltage
When the corresponding voltage of state, determine that vehicle is in driving states.Vehicle voltage can be detected by sensor, can also passed through
The data acquisition vehicle voltage that CAN bus provides.
In the step 602, if whole vehicle state is in driving states, 603 are thened follow the steps.Stop if whole vehicle state is in
State, then process terminates, or carries out the process of other power supplies or charging.In Fig. 6 by taking process terminates as an example, but not with this
It is limited.
Step 603, the second charging voltage for determining solar control unit.
In embodiments of the present invention, determine the second charging voltage detailed process can refering to it is aforementioned to Fig. 5 specifically
Bright, to avoid repeating, this will not be repeated here.
Step 604 judges whether the first electricity of buffer battery is greater than or equal to the first preset threshold.
In the step 604, if the first electricity of buffer battery is greater than or equal to the first preset threshold, 605 are thened follow the steps,
If the first electricity of buffer battery thens follow the steps 606 less than the first preset threshold.
Step 605, buffer battery electric discharge.
In this step, buffer battery discharges, and charges for vehicle A-battery.
Step 606, solar battery are the power supply of vehicle A-battery.
In the step 606, solar battery can be controlled by solar control unit as the power supply of vehicle A-battery.
In his embodiment, solar battery can also be controlled by solar control unit as the power supply of vehicle low-voltage load.
Step 607, solar battery and buffer battery are the power supply of vehicle A-battery.
In the step 607, solar battery can be controlled by solar control unit and buffer battery is that vehicle is low
Piezoelectric battery power supply, then passing through vehicle A-battery is the power supply of vehicle low-voltage load.It in other embodiments, can also be by too
Sun can control unit control solar battery and buffer battery is vehicle load supplying.For example, in Fig. 2, according to the sun
Power needed for can control the rated power of device 2013 or loading is powered to vehicle A-battery 2091, passes through vehicle A-battery
2091 power to low-voltage load.
Step 608 judges whether the second electricity of buffer battery is less than or equal to the second preset threshold.
In the step 604, if the second electricity of buffer battery is less than or equal to the second preset threshold, 609 are thened follow the steps, if
The second electricity of buffer battery is greater than the second preset threshold, thens follow the steps 605.
Step 609, buffer battery stop power supply.
, can be in driving states in charge/discharge control method provided in an embodiment of the present invention, the electricity of foundation buffer battery,
It controls at least one of solar battery and the buffer battery to power to vehicle A-battery, solar energy can be made full use of
The electricity of battery improves the electricity utilization rate of solar battery.
Referring to Fig. 7, Fig. 7 is the flow chart of charge/discharge control method provided in an embodiment of the present invention.The charge and discharge is automatically controlled
Method processed, is used for charge-discharge controller, and the charge-discharge controller accesses vehicle, including solar battery, buffer battery
With vehicle A-battery, the charge-discharge controller can be charge-discharge controller 200 shown in Fig. 2 and 3.Such as Fig. 7 institute
Show, charge/discharge control method the following steps are included:
Step 701, acquisition whole vehicle state.
In the present embodiment, the whole vehicle state includes battery information, load information and information of voltage of vehicle etc..
Step 702 judges whether whole vehicle state is in driving states.
In the step 702, if whole vehicle state is in halted state, 703 are thened follow the steps.If whole vehicle state is in driving shape
State, then process terminates, or carries out the process of other power supplies or charging.In Fig. 7 by taking process terminates as an example, but not as
Limit.
Step 703 judges whether the first electricity of buffer battery is less than or equal to third predetermined threshold value.
In the step 703, if the first electricity of buffer battery is less than or equal to third predetermined threshold value, then follow the steps
705.If the first electricity of buffer battery is greater than third predetermined threshold value, 704 are thened follow the steps.
Step 704 judges whether the third electricity of buffer battery is less than or equal to the 4th preset threshold.
In the step 704, the third electricity of buffer battery is less than or equal to the 4th preset threshold, thens follow the steps 706.
If the third electricity of buffer battery is greater than the 4th preset threshold, 708 are thened follow the steps.
Step 705, buffer battery charging.
It for example, can be referring to Fig.2, can be the charging of buffer battery 203 by solar battery 202.
Step 706, the charging of vehicle A-battery.
For example, can with referring to Fig.2, can by solar battery 202 be vehicle A-battery 2091 charge, may be used also
To be the charging of vehicle A-battery 2091 by buffer battery 203.
Step 707 judges whether the 4th electricity of vehicle A-battery is greater than or equal to the 5th preset threshold.
In the step 707, if the 4th electricity of vehicle A-battery is greater than or equal to the 5th preset threshold, step is executed
Rapid 708, if the 4th electricity of vehicle A-battery thens follow the steps 706 less than the 5th preset threshold.
Step 708, system are in standby.
In the present embodiment, after system is in standby, system acquisition vehicle shape can be triggered by trigger action
State.
Charge/discharge control method provided in an embodiment of the present invention, can be in halted state, according to the electricity of buffer battery, control
At least one battery that solar battery processed is selected into the buffer battery and the vehicle A-battery charges, can be with
The electricity for making full use of solar battery improves the electricity utilization rate of solar battery.
The present invention also provides a kind of charge-discharge controller 800, the charge-discharge controller 800 accesses vehicle, including
Solar battery, buffer battery, vehicle A-battery and solar control unit, referring to Fig. 8, as shown in figure 8, charge and discharge control
Device 800 further include: first, which obtains module 801, second, obtains module 802, determining module 803 and the first control module 804,
In, the first acquisition module 801 is connect with the second acquisition module 802, and the second acquisition module 802 is connect with determining module 803, is determined
Module 803 and the connection of the first control module 804；Wherein:
First obtains module 801, for obtaining the vehicle-state of the vehicle；
Second obtains module 802, for obtaining the first electricity of the buffer battery；
Determining module 803, for by the solar control unit according to the vehicle-state and first electricity,
Supplying cell and target battery are determined from the solar battery, buffer battery, vehicle A-battery；
First control module 804, the voltage for being provided the supplying cell by the solar control unit turn
It is changed to the charging voltage of the target battery, is charged to the target battery.
Optionally, the determining module 803 is also used to pass through institute in the case where the vehicle-state is driving states
Solar control unit is stated according to first electricity, selects at least one from the solar battery and the buffer battery
As the supplying cell, using the vehicle A-battery as the target battery.
Optionally, as shown in figure 9, the charge-discharge controller 800 further includes electrical source of power, first control module
804 include:
Submodule 8041 is determined, for exporting the first charging voltage to the vehicle A-battery in the electrical source of power
In the case of, by the solar control unit according to first charging voltage, the electrical source of power and the vehicle low pressure
First resistor and the first electric current, the solar control unit between battery and the between the vehicle A-battery second electricity
Resistance and the second electric current and dynamic offset voltage, determine the second charging voltage, the dynamic offset voltage is by the solar battery
Quota power or the vehicle low-voltage load that is electrically connected with the vehicle A-battery needed for power determine；
Control submodule 8042, the voltage for being provided the supplying cell by the solar control unit are converted
It for second charging voltage, charges to the vehicle A-battery, wherein load is described whole in second charging voltage
Effective charging voltage of vehicle A-battery is greater than load effectively filling in the vehicle A-battery in first charging voltage
Piezoelectric voltage.
Optionally, the determining module 803 is also used in the case where first electricity is less than the first preset threshold,
By solar battery described in the solar control Unit selection as the supplying cell；Alternatively,
In the case where first electricity is greater than or equal to the first preset threshold, selected by the solar control unit
The solar battery and the buffer battery are selected as the supplying cell.
Optionally, as shown in Figure 10, the charge-discharge controller 800 further include:
Third obtains module, for obtaining the second electricity of the buffer battery by the solar control unit；
Second control module, for passing through institute in the case where second electricity is less than or equal to the second preset threshold
It states solar control unit and controls the buffer battery stopping power supply.
Optionally, the determining module 803 is also used to pass through institute in the case where the vehicle-state is halted state
Solar control unit is stated according to first electricity, selects at least one from the buffer battery and the vehicle A-battery
It is a to be used as the target battery, using the solar battery as the supplying cell.
Optionally, the determining module 803 is also used to be less than or equal to the feelings of third predetermined threshold value in first electricity
Under condition, by buffer battery described in the solar control Unit selection as the target battery；Alternatively,
In the case where first electricity is greater than third predetermined threshold value and/or buffer battery charging terminates, pass through
The solar control unit obtains the third electricity of the vehicle A-battery, is less than or equal to the in the third electricity
In the case where four preset thresholds, by vehicle A-battery described in the solar control Unit selection as the target electricity
Pond.
Optionally, as shown in figure 11, charge-discharge controller 800 further include:
Third control module 807, for controlling the buffer battery to the vehicle by the solar control unit
A-battery charging.
It is real that charge and discharge device can be realized charge-discharge controller in the corresponding embodiment of the method for Fig. 1, Fig. 4, Fig. 6 and Fig. 7
Existing each process, to avoid repeating, which is not described herein again.
Charge-discharge controller 800 provided in an embodiment of the present invention, due to can be neatly from the solar battery, slow
It rushes battery, determine supplying cell and target battery in vehicle A-battery, control supplying cell is powered to target battery, Ke Yichong
Divide the electricity using solar battery, improves the electricity utilization rate of solar battery.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (16)
1. a kind of charge/discharge control method, is used for charge-discharge controller, the charge and discharge device accesses vehicle, the charge and discharge
Control device includes solar battery, buffer battery, vehicle A-battery and solar control unit, which is characterized in that described
Charge/discharge control method includes:
Obtain the vehicle-state of the vehicle；
Obtain the first electricity of the buffer battery；
By the solar control unit according to the vehicle-state and first electricity, from the solar battery, delay
It rushes battery, determine supplying cell and target battery in vehicle A-battery；
The voltage that the supplying cell provides is converted to the charging electricity of the target battery by the solar control unit
Pressure charges to the target battery.
2. charge/discharge control method according to claim 1, which is characterized in that described to pass through the solar control unit
According to the vehicle-state and first electricity, determines and supply from the solar battery, buffer battery, vehicle A-battery
Battery and target battery, comprising:
In the case where the vehicle-state is driving states, by the solar control unit according to first electricity,
Select at least one as the supplying cell from the solar battery and the buffer battery, by the vehicle low tension
Pond is as the target battery.
3. charge/discharge control method according to claim 2, which is characterized in that the charge-discharge controller further includes moving
Power power supply, it is described that the voltage that the supplying cell provides is converted to by the target battery by the solar control unit
Charging voltage charges to the target battery, comprising:
In the case where the electrical source of power exports the first charging voltage to the vehicle A-battery, pass through the solar energy control
Unit processed is according to the first resistor and first between first charging voltage, the electrical source of power and the vehicle A-battery
Second resistance and the second electric current and dynamic between electric current, the solar control unit and the vehicle A-battery compensate
Voltage, determines the second charging voltage, the dynamic offset voltage by the solar battery quota power or with it is described whole
Power needed for the vehicle low-voltage load of vehicle A-battery electrical connection determines；
The voltage that the supplying cell provides is converted into second charging voltage by the solar control unit, to institute
State the charging of vehicle A-battery, wherein effective charging electricity in the vehicle A-battery is loaded in second charging voltage
Pressure is greater than the effective charging voltage loaded in first charging voltage in the vehicle A-battery.
4. charge/discharge control method according to claim 2, which is characterized in that described to pass through the solar control unit
According to first electricity, select at least one as the power supply electricity from the solar battery and the buffer battery
Pond, comprising:
In the case where first electricity is less than the first preset threshold, pass through the sun described in the solar control Unit selection
Energy battery is as the supplying cell；Alternatively,
In the case where first electricity is greater than or equal to the first preset threshold, pass through the solar control Unit selection institute
Solar battery and the buffer battery are stated as the supplying cell.
5. charge/discharge control method according to claim 4, which is characterized in that described to pass through the solar control unit
Select the solar battery and the buffer battery as the supplying cell after, the method also includes:
The second electricity of the buffer battery is obtained by the solar control unit；
In the case where second electricity is less than or equal to the second preset threshold, institute is controlled by the solar control unit
It states buffer battery and stops power supply.
6. charge/discharge control method according to claim 1, which is characterized in that described to pass through the solar control unit
According to the vehicle-state and first electricity, determines and supply from the solar battery, buffer battery, vehicle A-battery
Battery and target battery, comprising:
In the case where the vehicle-state is halted state, by the solar control unit according to first electricity,
Select at least one as the target battery from the buffer battery and the vehicle A-battery, by the solar-electricity
Pond is as the supplying cell.
7. charge/discharge control method according to claim 6, which is characterized in that described to pass through the solar control unit
According to first electricity, select at least one as the target electricity from the buffer battery and the vehicle A-battery
Pond, comprising:
In the case where first electricity is less than or equal to third predetermined threshold value, pass through the solar control Unit selection institute
Buffer battery is stated as the target battery；Alternatively,
In the case where first electricity is greater than third predetermined threshold value and/or buffer battery charging terminates, by described
Solar control unit obtains the third electricity of the vehicle A-battery, and it is pre- to be less than or equal to the 4th in the third electricity
If in the case where threshold value, by vehicle A-battery described in the solar control Unit selection as the target battery.
8. charge/discharge control method according to claim 7, which is characterized in that it is described be less than in the third electricity or
In the case where equal to the 4th preset threshold, by vehicle A-battery described in the solar control Unit selection as the mesh
After marking battery, the method also includes:
The buffer battery is controlled by the solar control unit to charge to the vehicle A-battery.
9. a kind of charge-discharge controller, the charge and discharge device accesses vehicle, and the charge-discharge controller includes solar energy
Battery, buffer battery, vehicle A-battery and solar control unit, which is characterized in that the charge-discharge controller also wraps
It includes:
First obtains module, for obtaining the vehicle-state of the vehicle；
Second obtains module, for obtaining the first electricity of the buffer battery；
Determining module, for by the solar control unit according to the vehicle-state and first electricity, from described
Solar battery, buffer battery determine supplying cell and target battery in vehicle A-battery；
First control module, it is described for being converted to the voltage that the supplying cell provides by the solar control unit
The charging voltage of target battery charges to the target battery.
10. charge-discharge controller according to claim 9, which is characterized in that the determining module is also used to described
In the case that vehicle-state is driving states, by the solar control unit according to first electricity, from the sun
Select at least one as the supplying cell in energy battery and the buffer battery, using the vehicle A-battery as described in
Target battery.
11. charge-discharge controller according to claim 10, which is characterized in that the charge-discharge controller further includes
Electrical source of power, first control module include:
It determines submodule, is used in the case where the electrical source of power exports the first charging voltage to the vehicle A-battery,
By the solar control unit according between first charging voltage, the electrical source of power and the vehicle A-battery
First resistor and the first electric current, the solar control unit and the vehicle A-battery between second resistance and second
Electric current and dynamic offset voltage, determine the second charging voltage, the dynamic offset voltage by the solar battery quota function
Power needed for rate or the vehicle low-voltage load being electrically connected with the vehicle A-battery determines；
Control submodule, for the voltage that the supplying cell provides to be converted to described by the solar control unit
Two charging voltages charge to the vehicle A-battery, wherein load is in the vehicle low tension in second charging voltage
Effective charging voltage in pond is greater than the effective charging voltage loaded in first charging voltage in the vehicle A-battery.
12. charge-discharge controller according to claim 10, which is characterized in that the determining module is also used in institute
In the case where the first electricity is stated less than the first preset threshold, made by solar battery described in the solar control Unit selection
For the supplying cell；Alternatively,
In the case where first electricity is greater than or equal to the first preset threshold, pass through the solar control Unit selection institute
Solar battery and the buffer battery are stated as the supplying cell.
13. charge-discharge controller according to claim 12, which is characterized in that further include:
Third obtains module, for obtaining the second electricity of the buffer battery by the solar control unit；
Second control module, for second electricity be less than or equal to the second preset threshold in the case where, by it is described too
Sun can control unit and control the buffer battery stopping power supply.
14. charge-discharge controller according to claim 9, which is characterized in that the determining module is also used to described
In the case that vehicle-state is halted state, by the solar control unit according to first electricity, from the buffering
Select at least one as the target battery in battery and the vehicle A-battery, using the solar battery as described in
Supplying cell.
15. charge-discharge controller according to claim 14, which is characterized in that the determining module is also used in institute
The first electricity is stated less than or equal in the case where third predetermined threshold value, passes through buffering electricity described in the solar control Unit selection
Pond is as the target battery；Alternatively,
In the case where first electricity is greater than third predetermined threshold value and/or buffer battery charging terminates, by described
Solar control unit obtains the third electricity of the vehicle A-battery, and it is pre- to be less than or equal to the 4th in the third electricity
If in the case where threshold value, by vehicle A-battery described in the solar control Unit selection as the target battery.
16. charge-discharge controller according to claim 15, which is characterized in that further include:
Third control module, for controlling the buffer battery to the vehicle A-battery by the solar control unit
Charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094382.3A CN109149747A (en) | 2018-09-19 | 2018-09-19 | Charging and discharging control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094382.3A CN109149747A (en) | 2018-09-19 | 2018-09-19 | Charging and discharging control method and device |
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| Publication Number | Publication Date |
|---|---|
| CN109149747A true CN109149747A (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811094382.3A Pending CN109149747A (en) | 2018-09-19 | 2018-09-19 | Charging and discharging control method and device |
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| CN (1) | CN109149747A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203511533U (en) * | 2013-10-10 | 2014-04-02 | 郑州宇通客车股份有限公司 | Storage battery power supply system based on solar energy, vehicle hybrid power system and vehicle |
| CN205864046U (en) * | 2016-08-17 | 2017-01-04 | 汉能太阳能汽车技术有限公司 | Automobile-used solar recharging system and solar telephone |
| CN107404144A (en) * | 2016-03-16 | 2017-11-28 | 丰田自动车株式会社 | Solar cell system |
-
2018
- 2018-09-19 CN CN201811094382.3A patent/CN109149747A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203511533U (en) * | 2013-10-10 | 2014-04-02 | 郑州宇通客车股份有限公司 | Storage battery power supply system based on solar energy, vehicle hybrid power system and vehicle |
| CN107404144A (en) * | 2016-03-16 | 2017-11-28 | 丰田自动车株式会社 | Solar cell system |
| CN205864046U (en) * | 2016-08-17 | 2017-01-04 | 汉能太阳能汽车技术有限公司 | Automobile-used solar recharging system and solar telephone |
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Application publication date: 20190104 |