CN109159675A - A kind of matrix form flexibility charging system, charge control method and device - Google Patents
A kind of matrix form flexibility charging system, charge control method and device Download PDFInfo
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- CN109159675A CN109159675A CN201811068208.1A CN201811068208A CN109159675A CN 109159675 A CN109159675 A CN 109159675A CN 201811068208 A CN201811068208 A CN 201811068208A CN 109159675 A CN109159675 A CN 109159675A
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- H02J7/0027—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of matrix form flexibility charging system, charge control method and device, which includes: bridging bus, primary matrix and the secondary matrix of the power converter module of the first preset quantity, the charging gun of the second preset quantity, third preset quantity；Wherein, bridging bus is connect by the controllable switch in primary matrix with power converter module, the quantity of controllable switch in primary matrix is the product of the first preset quantity and third preset quantity, bridging bus is connect by the controllable switch in secondary matrix with charging gun, and the quantity of the controllable switch in secondary matrix is the product of the second preset quantity and third preset quantity；The setting that the present invention passes through the controllable switch in primary matrix and secondary matrix, it can be during battery charge controller be charged the battery using the control of corresponding charge control method, lower average switch switching times and switching time, the service life and reliability of controllable switch are improved, the user experience is improved.
Description
Technical field
The present invention relates to charging technique field, in particular to a kind of matrix form flexibility charging system, charge control method and
Device.
Background technique
With the development of modern society's science and technology, electric car using more and more extensive, this allows for filling for electric car
The setting of the charging pile of electricity is increasingly valued by people.
In the prior art, often pure ring topology or Scalar matrix as shown in Figure 1 are topological for most of charging pile manufacturers, or
Person carries out small range modification setting charging pile on upper topology.It is less in power converter module quantity or output bus number
In the case of, ring topologies are clear, less using number of switches；But in power converter module quantity or output bus
In the more situation of number, entire ring topologies are complicated, are unfavorable for producing and are unfavorable for modularized processing.And Scalar matrix topology knot
Structure is clear, strong flexibility, degree of flexibility height and easily modularized processing, but its number of switches is more to be brought higher cost high and be
The multiple power converter modules of guarantee flexibly switch between different charging guns, per the secondary a large amount of switching of carry out.Although
Now with company propose in the way of metal-oxide-semiconductor+relay and substitute contactor, reduce as caused by more than number of switches
High production cost disadvantage, but the shortcomings that a large amount of switching switches, not can avoid really.When a large amount of switching switches, on the one hand due to switch
Switching times are more, and in low-power requirements switch mode, (power needed for system is larger when general switching, in order to reduce switching
Shi Suoxu power reduces system design cost, general using the method gradually switched) under, switching time is longer；On the other hand,
It needs to repeat to switch due to largely switching, if switching on-off times to be converted into the mean handoff number of each switch, individually
Switching number is more, greatly reduces the service life and reliability of switch.
Therefore, how a kind of clear in structure, strong flexibility, the charging of degree of flexibility height and easily modularized processing are provided
Pilework reduces average switch switching times and switching time, promotes user experience, is urgent problem now.
Summary of the invention
The object of the present invention is to provide a kind of matrix form flexibility charging system, charge control method and devices, flat to reduce
Equal switching number and switching time, promote user experience.
In order to solve the above technical problems, the present invention provides a kind of matrix form flexibility charging system, comprising: the first preset quantity
Power converter module, the charging gun of the second preset quantity, third preset quantity bridging bus, primary matrix and second order moment
Battle array；
Wherein, the bridging bus is connect by the controllable switch in the primary matrix with the power converter module,
The quantity of controllable switch in the primary matrix be first preset quantity and the third preset quantity product, it is described across
Bus is connect to connect by the controllable switch in the secondary matrix with the charging gun, the controllable switch in the secondary matrix
Quantity is the product of second preset quantity and the third preset quantity, and first preset quantity is more than or equal to described the
Two preset quantities.
Optionally, system further include: the direct-connected bus of the 4th preset quantity；
Wherein, every direct-connected bus includes a controllable switch, and the both ends of every direct-connected bus connect respectively
It connects respectively a corresponding power converter module and a charging gun, the 4th preset quantity and is less than or equal to described
Second preset quantity.
Optionally, the 4th preset quantity is equal to second preset quantity, and each charging gun passes through respectively respectively
A self-corresponding direct-connected bus and the corresponding one one-to-one connection of power converter module.
Optionally, the third preset quantity is specially 1.
The present invention also provides a kind of charge control methods, are applied to matrix form flexibility as described in any one of the above embodiments and charge
System, comprising:
The charging quantity of power converter module needed for obtaining current charging gun charging；
Judge whether the quantity of idle power converter module is greater than or equal to the charging quantity；
If so, the idle power converter module for bridging bus and the charging quantity that selection one is idle, respectively
Control corresponding controllable switch in the primary matrix and the secondary matrix, make the bridging bus of selection respectively with the electricity of selection
Force transformation module is connected with the current charging gun；
After the current charging gun charging complete, corresponding controllable switch shutdown in the secondary matrix is controlled, is disconnected
The connection of the bridging bus and the current charging gun of selection.
Optionally, if there are corresponding direct-connected bus, institutes between the current charging gun and corresponding power converter module
The idle power converter module for stating the idle bridging bus of selection one and the charging quantity controls the primary square respectively
Corresponding controllable switch in battle array and the secondary matrix, make the bridging bus of selection respectively with the power converter module of selection and institute
Before stating the connection of current charging gun, further includes:
Judge whether the charging quantity is 1；
If it is not, then executing the idle power converter mould of the idle bridging bus of the selection one and the charging quantity
Block controls corresponding controllable switch in the primary matrix and the secondary matrix respectively, make the bridging bus of selection respectively with
The step of power converter module of selection is connected with the current charging gun；
If so, the controllable switch conducting in the corresponding direct-connected bus of the control current charging gun, make described currently to fill
Electric rifle is connected with corresponding power converter module by corresponding direct-connected bus.
Optionally, the controllable switch conducting controlled in the corresponding direct-connected bus of the current charging gun, makes described work as
Preceding charging gun is connected with corresponding power converter module by corresponding direct-connected bus, comprising:
Judge whether the corresponding power converter module of the current charging gun is idle；
If so, the controllable switch conducting in the corresponding direct-connected bus of the control current charging gun, make described currently to fill
Electric rifle is connected with corresponding power converter module by corresponding direct-connected bus；
Optionally, the idle power converter module of the idle bridging bus of the selection one and the charging quantity,
Control corresponding controllable switch in the primary matrix and the secondary matrix respectively, make the bridging bus of selection respectively with selection
Power converter module connected with the current charging gun, comprising:
Judge whether there is the idle power converter module of connection quantity it is equal with the quantity that charges preferably across
Connect bus；Wherein, the preferred bridging bus is the idle bridging bus selected；
If so, controlling corresponding controllable switch conducting in the secondary matrix, become the idle electric power of any connection
The quantity of the mold changing block preferred bridging bus equal with the charging quantity is connect with the current charging gun；
If it is not, then being filled according to the quantity of the idle power converter module of preferred bridging bus connection described in every with described
The absolute value of the difference of electric quantity selects the idle power converter mould of the preferred bridging bus and the charging quantity
Block, and corresponding controllable switch in the primary matrix and the secondary matrix is controlled respectively, make the preferred bridging of selection
Bus is connect with the power converter module of selection and the current charging gun respectively.
Optionally, described according to the quantity of the idle power converter module of preferred bridging bus connection and institute described in every
The absolute value of the difference of charging quantity is stated, the idle power converter of the preferred bridging bus and the charging quantity is selected
Module, comprising:
Judge whether there is the preferred bridging bus that corresponding absolute value is less than the charging quantity；
If so, selecting the corresponding the smallest preferred bridging bus of absolute value, and the smallest according to corresponding absolute value
The idle power converter module that the preferred bridging bus is connected, selects the idle power converter mould of the charging quantity
Block.
In addition, the present invention also provides a kind of battery charge controllers, comprising:
Memory, for storing computer program；
Processor realizes the step of charge control method as described in any one of the above embodiments when for executing the computer program
Suddenly.
A kind of matrix form flexibility charging system provided by the present invention, comprising: the power converter module of the first preset quantity,
Bridging bus, primary matrix and the secondary matrix of the charging gun of second preset quantity, third preset quantity；Wherein, bus is bridged
It is connect by the controllable switch in primary matrix with power converter module, the quantity of the controllable switch in primary matrix is first pre-
If the product of quantity and third preset quantity, bridging bus is connect by the controllable switch in secondary matrix with charging gun, second order moment
The quantity of controllable switch in battle array is the product of the second preset quantity and third preset quantity, and the first preset quantity is more than or equal to the
Two preset quantities；
As it can be seen that the present invention can be filled by the setting of the controllable switch in primary matrix and secondary matrix in charge control
It sets during being charged the battery using the control of corresponding charge control method, lowers average switch switching times and switching
Time improves the service life and reliability of controllable switch, and the user experience is improved.In addition, the present invention also provides one kind
Charge control method and device equally have above-mentioned beneficial effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of the Scalar matrix topological structure of charging pile in the prior art；
Fig. 2 is a kind of structure chart of matrix form flexibility charging system provided by the embodiment of the present invention；
Fig. 3 is the topological schematic diagram of another kind matrix form flexibility charging system provided by the embodiment of the present invention；
Fig. 4 is the topological schematic diagram of another kind matrix form flexibility charging system provided by the embodiment of the present invention；
Fig. 5 is a kind of flow chart of charge control method provided by the embodiment of the present invention；
Fig. 6 is the flow chart of another kind charge control method provided by the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to FIG. 2, Fig. 2 is a kind of structure chart of matrix form flexibility charging system provided by the embodiment of the present invention.It should
System may include: the power converter module 10 of the first preset quantity, the charging gun 20 of the second preset quantity, third preset quantity
Bridging bus 30, primary matrix 40 and secondary matrix 50；
Wherein, bridging bus 30 is connect by the controllable switch in primary matrix 40 with power converter module 10, primary square
The quantity of controllable switch in battle array 40 is the product of the first preset quantity and third preset quantity, and bridging bus 30 passes through secondary matrix
Controllable switch in 50 is connect with charging gun 20, and the quantity of the controllable switch in secondary matrix 50 is the second preset quantity and third
The product of preset quantity, the first preset quantity are greater than or equal to the second preset quantity.
It is understood that the power converter module 10 in the present embodiment can be to obtain system power supply (such as source power supply)
To convert alternating current be charging direct current device, charging gun 20 in the present embodiment can for such as electric car
Charging unit is needed to connect, for the device for needing the battery of charging unit to charge, for the tool of power converter module 10 and charging gun 20
Body structure and type can such as use and existing skill by designer according to practical scene and user demand self-setting
The same or similar mode of art is arranged, and the present embodiment does not do any restrictions to this.
It should be noted that the primary matrix 40 and secondary matrix 50 in the present embodiment can be Scalar matrix topology knot
Structure, as shown in Fig. 2, power converter module 10 (module) is drawn in primary matrix 40 longitudinal bus and lateral bridging bus
The 30 controllable switch connection by intersecting；In secondary matrix 50 comprising by fill longitudinal bus that a rifle 20 draws and it is lateral across
Bus 30 is connect to connect by the controllable switch intersected.
It is corresponding, power converter module 10 in this present embodiment and the particular number of charging gun 20 are arranged, i.e., first is pre-
If the specific value of quantity and the second preset quantity is arranged, can voluntarily be set by designer according to practical scene and user demand
It sets, as long as guaranteeing that the quantity of power converter module 10 is greater than or equal to the quantity of charging gun 20, avoids whole charging guns 20 can not
The case where using simultaneously, the present embodiment does not do any restrictions to this.
Specifically, by taking 5 modules (power converter module 10) export 5 rifles (charging gun 20) as an example, if rifle 1 is at the T1 moment
Five module outputs are needed, rifle 2 needs five module outputs, and charging start time and finish time all modules at the T2 moment
It is detached from all rifles, when using Scalar matrix topological structure as shown in Figure 1, needs five module outputs in T1 moment rifle 1, this
When need closure switch 1,2,3,4,5, it is assumed that one switch time of closure is ts, and needing the time altogether at this time is 5ts, switch motion
Number is 5 times；At the T2 moment, rifle 2 needs five module outputs, and at this time firstly the need of disconnection switch 1,2,3,4,5, and closure is opened
6,7,8,9,10 are closed, needing the time altogether at this time is 10ts, and switch motion number is 10 times.Charging terminates, switch 6,7,8,9,10
It disconnects, needing the time is 5ts, and switch motion number is 5 times；After above procedure, switch motion total degree and time point
It Wei not be 20 times and 20ts.When using topological structure as shown in Figure 3 provided by the present embodiment, five are needed in T1 moment rifle 1
Module output is closed the switch 1 in primary matrix in switch 1,6,11,12,21 and secondary matrix, actuation time 6ts, movement
Number is 6；Five module outputs are needed in T2 moment rifle 2, it is only necessary to be disconnected the switch 1 and closure switch 6 in secondary matrix, be moved
Making the time is 2ts, and action frequency is 2 times；After charging, switch 6 in secondary matrix, actuation time and action frequency point are disconnected
It Wei not ts and 1；After above procedure, total actuation time and action frequency are respectively 9ts and 9 time.As it can be seen that the present embodiment institute
The structure of offer can save the time compared to Scalar matrix structure and on-off times are 11ts and 11 time.Above-mentioned is only simply to cut
Process is changed, in practical charging process, handoff procedure is often more complicated, therefore structure provided by the present embodiment is in switching
Between and switching times on advantage it is fairly obvious.
Further, switch to be further reduced the average switch of system provided by the present embodiment in use
Number and switching time, as shown in Fig. 2, system provided by the present embodiment can also include: the direct-connected mother of the 4th preset quantity
Line 60；Wherein, every direct-connected bus 60 includes a controllable switch, and the both ends of every direct-connected bus 60 are separately connected respectively right
A power converter module 10 and a charging gun 20 are answered, the 4th preset quantity is less than or equal to the second preset quantity.
That is, when charging gun 20 only needs the power supply of a power converter module 10, if the charging gun 20 presence pair
The direct-connected bus 60 answered can directly utilize corresponding power converter module by the conducting of controllable switch in direct-connected bus 60
10 are powered.It is further reduced the average switch switching times in use of system provided by the present embodiment and switching
Time.
Specifically, the particular number for direct-connected bus 60 is arranged, i.e. the 4th preset quantity specific value setting, Ke Yiyou
Designer, can be as shown in Fig. 2, be respectively provided with one for each charging gun 20 according to practical scene and user demand self-setting
When corresponding direct-connected bus 60, the 4th preset quantity and the second preset quantity can be N, i.e. the 4th preset quantity is pre- with second
If quantity can be equal；Or a corresponding direct-connected bus 60, i.e. the 4th present count is respectively set in part charging gun 20
Amount is less than the second preset quantity.The present embodiment does not do any restrictions to this.
It is corresponding, the particular number for bridging bus 30 in this present embodiment is arranged, i.e. third preset quantity specific value
Setting, can be set identical as 20 quantity of charging gun by designer according to practical scene and user demand self-setting
Bridging bus 30, allow charging gun 20 simultaneously using bridging bus 30 obtain power converter module 10 power supply, i.e., the 4th
Preset quantity can be equal with the second preset quantity；Also the bridging bus 30 bigger than 20 quantity of charging gun can be set, with side
Just the different bridging buses 30 for having connected power converter module 10 is selected, i.e. the 4th preset quantity can be greater than the second present count
Amount；The bridging bus 30 smaller than 20 quantity of charging gun can also be set, as shown in figure 4, the quantity for bridging bus 30 can be set
It is set to 1, to guarantee bigger cost and volume advantage under specific charging environment, as public transport station is maximum using single rifle on daytime
Power wheel fills, can most fast meet demand by the variation of controllable switch in primary and secondary matrix；It is equal that multiple gun is carried out at night
It fills, direct-connected bus meet demand can be passed through.The present embodiment does not do any restrictions to this.
Specifically, the concrete type to controllable switch in this present embodiment selects, it can be by designer according to practical
Scene and user demand self-setting, such as can be set to contactor, may be set to be the combination of metal-oxide-semiconductor and relay, this
Embodiment does not do any restrictions to this.
Corresponding, system provided by the present embodiment can also include according to corresponding charge control method, in system
The battery charge controller that is controlled of controllable switch.
In the present embodiment, the embodiment of the present invention passes through the setting of primary matrix 40 and the controllable switch in secondary matrix 50,
Can be during battery charge controller be charged the battery using the control of corresponding charge control method, attenuating is averagely opened
Switching times and switching time are closed, improves the service life and reliability of controllable switch, the user experience is improved.
Based on the above embodiment, referring to FIG. 5, Fig. 5 is a kind of charge control method provided by the embodiment of the present invention
Flow chart.This method is applied to matrix form flexibility charging system provided by above-described embodiment, may include:
Step 101: the charging quantity of power converter module needed for obtaining current charging gun charging.
Wherein, the current charging gun in this step can need for any current time in matrix form flexibility charging system
The charging gun to charge to the battery of connection.
It is understood that charging quantity in this step can for current charging gun to the battery for currently needing to charge into
The quantity of power converter module needed for row charging.The charging number is obtained for such as processor of CPU or single-chip microcontroller in this step
The concrete mode of amount can be such as arranged by designer's self-setting using same as the prior art or similar mode,
The present embodiment does not do any restrictions to this.
Step 102: judging whether the quantity of idle power converter module is greater than or equal to charging quantity；If so, into
Enter step 103.
Wherein, the purpose of this step can for by the quantity of the power converter module that charging gun is not powered with fill
The comparison of electric quantity determines whether to power to current charging gun using the power converter module of charging quantity.
It the case where charging quantity is less than for the quantity of power converter module idle in this step, can be by designer
It is configured according to practical scene and user demand correspondence, after can such as waiting other charging gun charging completes, then carries out this step
Rapid judgement；It can also first be powered using whole power converter modules of current idle to current charging gun；Tune can also be corresponded to
Save the power converter module that other charging guns use.The present embodiment does not do any restrictions to this.
Step 103: the idle power converter module of selection one idle bridging bus and the quantity that charges controls respectively
Corresponding controllable switch in primary matrix and secondary matrix, make the bridging bus of selection respectively with the power converter module of selection and
Current charging gun connection.
It is understood that the purpose of this step can be from bridging bus non-selected before and before to selected
Selection one bridges bus and selects the idle power converter module of corresponding charging quantity in idle bridging bus, with benefit
It is powered with the idle power converter module of the bridging bus and corresponding charging quantity to current charging gun.
It is corresponding, since the idle bridging bus selected has the controllable switch be connected in primary matrix, that is, select
The idle bridging bus and the power converter module of some free time crossed has connected, if the bridging bus that currently charging gun selects for
When the idle bridging bus selected, it is possible to reduce the primary square between the bridging bus and the power converter module having connected
The switching action of controllable switch in battle array and time therefore can be using the idle bridging buses selected as preferred bridging
Bus conveniently preferably selects.
Specifically, the idle power converter mould for selecting an idle bridging bus and the quantity that charges in this step
The concrete mode of block, can be by designer according to practical scene and user demand self-setting, such as can be according to each preferred
The quantity of the idle power converter module of bridging bus (the idle bridging bus selected) connection is corresponding with charging quantity
It is selected.As long as can choose out the idle power converter module of an idle bridging bus and the quantity that charges, this reality
It applies example and does not do any restrictions to this.
It should be noted that if current charging gun can be connected with corresponding power converter module by corresponding direct-connected bus
It connects, can also include the steps that judging whether charging quantity is 1 before this step, if it is not, then utilizing the free time by this step
Bridging bus powers to current charging gun, if so, the controllable switch conducting in the corresponding direct-connected bus of current charging gun is controlled,
Connect current charging gun by corresponding direct-connected bus with corresponding power converter module.Less controllable switch is used
Switching action and time.
Step 104: after current charging gun charging complete, controlling corresponding controllable switch shutdown in secondary matrix, disconnect
The connection of the bridging bus and current charging gun of selection.
It is understood that the purpose of this step can for after the completion of the bridging busbar charging currently selected, merely with
Controllable switch in secondary matrix disconnects the connection of the bridging bus and current charging gun, which is alternatively crossed
Idle bridging bus (preferably bridging bus), is moved with reducing the switching of controllable switch when the bridging bus is selected next time
Work and time.
Specifically, by taking 5 modules (power converter module 10) export 5 rifles (charging gun 20) as an example, using as shown in Figure 3
Topological structure when, need the output of five modules in T1 moment rifle 1, be closed switch 1,6,11,12,21 and secondary in primary matrix
Switch 1 in matrix after charging, disconnects the switch 1 in secondary matrix；Five module outputs are needed in T2 moment rifle 2, only
Closure switch 6 are needed, after charging, disconnect switch 6 in secondary matrix；After above procedure, total actuation time and dynamic
It is respectively 9ts and 9 time as number.Switching time and switching times can be effectively reduced.
In the present embodiment, the embodiment of the present invention is corresponding in secondary matrix by controlling after current charging gun charging complete
Controllable switch shutdown, disconnect the connection of the bridging bus and current charging gun of selection, can be next time using selecting
When bridging bus to charging gun power supply, lower average switch switching times and switching time, improve controllable switch uses the longevity
Life and reliability, the user experience is improved.
Based on a upper embodiment, referring to FIG. 6, Fig. 6 is another kind charge control method provided by the embodiment of the present invention
Flow chart.This method may include:
Step 201: the charging quantity of power converter module needed for obtaining current charging gun charging.
Step 202: judging whether the quantity of idle power converter module is greater than or equal to charging quantity；If so, into
Enter step 203.
Wherein, step 201 and step 202 are similar to step 101 and step 102, and details are not described herein.
Step 203: judging whether charging quantity is 1；If so, entering step 204；If it is not, then entering step 205.
It is understood that the purpose of this step be current charging gun can with corresponding power converter module by pair
Answer direct-connected bus connection when, by charging quantity whether the judgement for being 1, it is determined whether use corresponding power converter module pair
Current charging gun power supply.
It should be noted that this step can be that can pass through with corresponding power converter module in the current charging gun of determination
The step of being carried out after corresponding direct-connected bus connection, as charging gun each in Fig. 3 has corresponding direct-connected bus and electric power change
When changing the mold block, this step can be directly carried out；If only part charging gun is there are corresponding direct-connected bus and power converter module,
It may also include the judgment step that current charging gun whether there is corresponding direct-connected bus and power converter module before this step, such as
May determine that whether current charging gun is preset charged rifle there are corresponding direct-connected bus and power converter module；If so,
Into this step；If it is not, then entering step 205.The present embodiment does not do any restrictions to this.
Step 204: control in the corresponding direct-connected bus of current charging gun controllable switch conducting, make current charging gun with it is right
The power converter module answered passes through corresponding direct-connected bus connection.
Wherein, the purpose of this step can be and current for when it is 1 that current charging gun, which needs power converter module to be used,
When charging gun has the corresponding power converter module that can be connected by direct-connected bus, corresponding power converter module pair is utilized
Current charging gun power supply.
It is understood that can also include whether judging the corresponding power converter module of current charging gun before this step
Idle step.If idle, the controllable switch conducting in the corresponding direct-connected bus of current charging gun can be directly controlled, makes to work as
Preceding charging gun is connected with corresponding power converter module by corresponding direct-connected bus.Electric power corresponding for current charging gun becomes
Change the mold the not idle situation of block, can by designer according to practical scene and user demand self-setting, such as in order to avoid across
Connecing bus obstruction can control corresponding controllable switch in primary matrix when bridging bus quantity less than charging gun quantity, select
It selects an idle power converter module and replaces the corresponding power converter module of current charging gun, and it is corresponding to control current charging gun
Direct-connected bus in controllable switch conducting, so that current charging gun and corresponding power converter module is passed through corresponding direct-connected bus
Connection；In order to reduce switching action and the time of controllable switch, when bridging bus quantity more than or equal to charging gun quantity,
It can be directly entered step 205, powered using bridging bus to current charging gun.The present embodiment does not do any restrictions to this.
Step 205: judging whether there is excellent equal with the quantity that charges of quantity of the idle power converter module of connection
Choosing bridging bus；If so, entering step 206；If it is not, then entering step 207.
Wherein, the preferred bridging bus in this step is the idle bridging bus selected.
It is understood that the purpose of this step can be to pass through the idle power converter mould for judging whether there is connection
The quantity of the block preferred bridging bus equal with charging quantity, it is determined whether can choose the idle power converter module of connection
Quantity and the equal preferred bridging bus of charging quantity.
Wherein, the quantity of the idle power converter module of the connection preferred bridging bus equal with charging quantity, i.e., should
The absolute value of the difference of the quantity and charging quantity that bridge the idle power converter module of bus connection is 0.
Step 206: corresponding controllable switch conducting in control secondary matrix makes the idle power converter mould of any connection
The quantity of the block preferred bridging bus equal with charging quantity is connect with current charging gun.
Wherein, this step can be the conducting for only passing through a corresponding controllable switch in secondary matrix, make the sky of connection
The quantity of the not busy power converter module preferred bridging bus equal with charging quantity is connect with current charging gun, is realized to current
The power supply of charging gun.
Step 207: according to the quantity for the idle power converter module that charging quantity is connected with every preferred bridging bus
With the absolute value of the difference of charging quantity, the idle power converter module of an idle bridging bus and the quantity that charges is selected,
And control corresponding controllable switch in primary matrix and secondary matrix respectively, make the bridging bus of selection respectively with the electric power of selection
Conversion module is connected with current charging gun.
It is understood that in this step the quantity of the idle power converter module of every preferred bridging bus connection with
The absolute value of the difference for the quantity that charges, if can be the idle power converter module of every preferred bridging bus connection charging quantity
The switching times of required controllable switch, that is, the power converter module quantity for needing to increase or delete.
It should be noted that for the idle electricity connected according to charging quantity with every preferred bridging bus in this step
The quantity of force transformation module and the absolute value of the difference of charging quantity, select the free time of an idle bridging bus and the quantity that charges
Power converter module concrete mode, the idle power converter mould connected in every preferred bridging bus can be directly selected
The quantity of block and the smallest bridging bus of absolute value of the difference of charging quantity, and the idle electricity being had connected according to the bridging bus
The power converter module of force transformation module selection charging quantity, that is, select the corresponding the smallest preferred bridging bus of absolute value, and root
The idle power converter module having connected according to the bridging bus is corresponding to delete or increases idle power converter module, selects
The power converter module for the quantity that charges；It can also determine whether that the preferred bridging for being less than charging quantity there are corresponding absolute value is female
Line, if so, selecting the corresponding the smallest preferred bridging bus of absolute value, and according to the smallest preferred bridging of corresponding absolute value
The idle power converter module that bus is connected, the idle power converter module of selection charging quantity；If it is not, then existing
When the idle bridging bus of non-selected mistake, the free time of the idle bridging bus and quantity that charges of one non-selected mistake of selection
Power converter module.The present embodiment is unrestricted to this.
Specifically, may include two kinds of switching modes for the matrix form flexibility charging system of structure as shown in Figure 2
It charges including initiation of charge and alternating.Initiation of charge, which refers to not having under charging gun charging situation, has charging gun to start to charge；Alternating is filled
Electricity includes two kinds of situations: 1. charging gun A are charging, and midway charging gun B is started to charge, and charging gun A still needs to charge at this time；2. filling
Electric rifle A is charging, and midway charging gun B is started to charge, and charging gun A stops charging at this time.With the initiation of charge of rifle 1 (charging gun)
For, it is a in 1 demand n (n >=2) of charging gun and under having n module (power converter module) available situation, from bridging bus
An idle bridging bus K is selected, the controllable switch that n module is intersected with bridging bus K is closed in primary matrix, then
It is closed rifle 1 in secondary matrix and is started to charge with the controllable switch of bus K intersected, last starting module, charging gun is bridged.It fills
After electricity, the controllable switch of rifle 1 and bridging bus K in secondary matrix intersected need to be only disconnected.In 1 mould of charging gun demand
Block and when having 1 idle module, if the module is connected with rifle 1 by direct-connected bus, can directly be closed on direct-connected bus
Controllable switch；If not being connected, can be combined by the controllable switch in primary and secondary matrix, by the module schedules to inductive charging
Rifle, but such mode can block bridging bus, when bridging bus quantity less than charging gun quantity, the program is not recommended；?
In being used charging is first exited by the module that direct-connected bus is connected with rifle 1 after, then pass through direct-connected bus and rifle 1
It is connected.
It is being charged with rifle 1, for the alternating charging that rifle 2 (charging gun) is started to charge halfway, situation 1: rifle 2 starts to fill
When electric, rifle 1 stops charging.First determine whether at this time 1 charging moment of rifle even bridge on bus K charging module quantity n (n >=
2).If n meets 2 needs of rifle, bridging bus K directly can be connected to rifle 2 by the switch in secondary matrix.If n is unsatisfactory for
The requirement of rifle 2 then judges the module number n1 and 2 demand module number n2 of rifle that need to increase (or deleting) on bridging bus K
Relationship.If n1 > n2, selection bridges bus K1 from idle bridging bus again, and selects n2 idle module, passes through
It connect, later controllably opening by the intersection of secondary matrix by the controllable switch of the intersection of primary matrix with bridging bus K1
It closes, bridging bus K1 is connect with rifle 2；It, can be directly on bridging bus K if n1≤n2 or not idle bridging bus
After increasing (or deleting) n1 link block, then bus K will be bridged by secondary matrix and connect with rifle 2.Situation 2: rifle 2 starts to fill
When electric, rifle 1 still needs to charge.First, in accordance with modular power, idle bridging bus K1 is selected, by primary matrix, by n3 sky
Not busy module is connected with bridging bus K1, and (n3 can be less than or equal to n1, and specific number of modules, which depends on remaining module, is
It is no enough), then idle bridging bus K1 is connected with rifle 2 by secondary matrix.Wherein, module is once connected to bridging bus
On, it can be only just female from a bridging by module in power surplus in demand power deficiency on remaining bridging bus and the bus
Line is dispatched on another bridging bus, otherwise no longer cuts module from bridging bus within the working time of entire charging pile
Under.
In the present embodiment, by there is the correspondence that can be connected by direct-connected bus in current charging gun in the embodiment of the present invention
Power converter module when, powered using corresponding power converter module to current charging gun, further reduce average switch
Switching times and switching time improve the service life and reliability of controllable switch, and the user experience is improved.
In addition, the embodiment of the invention also provides a kind of battery charge controllers, comprising: memory, for storing computer
Program；Processor, realizing the charge control method as provided by above-mentioned any embodiment when for executing the computer program
Step.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Detailed Jie has been carried out to matrix form flexibility charging system, charge control method and device provided by the present invention above
It continues.Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only
It is to be used to help understand method and its core concept of the invention.It should be pointed out that for those skilled in the art
For, it without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improve and repair
Decorations are also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of matrix form flexibility charging system characterized by comprising the power converter module of the first preset quantity, second
Bridging bus, primary matrix and the secondary matrix of the charging gun of preset quantity, third preset quantity；
Wherein, the bridging bus is connect by the controllable switch in the primary matrix with the power converter module, described
The quantity of controllable switch in primary matrix is the product of first preset quantity and the third preset quantity, and the bridging is female
Line is connect by the controllable switch in the secondary matrix with the charging gun, the quantity of the controllable switch in the secondary matrix
For the product of second preset quantity and the third preset quantity, it is pre- that first preset quantity is greater than or equal to described second
If quantity.
2. matrix form flexibility charging system according to claim 1, which is characterized in that further include: the 4th preset quantity
Direct-connected bus；
Wherein, every direct-connected bus includes a controllable switch, and the both ends of every direct-connected bus are separately connected respectively
From a corresponding power converter module and a charging gun, the 4th preset quantity is less than or equal to described second
Preset quantity.
3. matrix form flexibility charging system according to claim 2, which is characterized in that the 4th preset quantity is equal to institute
The second preset quantity is stated, each charging gun passes through corresponding one direct-connected bus and corresponding one respectively
A one-to-one connection of the power converter module.
4. matrix form flexibility charging system according to claim 3, which is characterized in that the third preset quantity is specially
1。
5. a kind of charge control method, which is characterized in that be applied to as the described in any item matrix forms of Claims 1-4 are flexible
Charging system, comprising:
The charging quantity of power converter module needed for obtaining current charging gun charging；
Judge whether the quantity of idle power converter module is greater than or equal to the charging quantity；
If so, the idle power converter module for bridging bus and the charging quantity that selection one is idle, controls respectively
Corresponding controllable switch in the primary matrix and the secondary matrix becomes the bridging bus of selection with the electric power of selection respectively
Mold changing block is connected with the current charging gun；
After the current charging gun charging complete, corresponding controllable switch shutdown in the secondary matrix is controlled, selection is disconnected
Bridging bus and the current charging gun connection.
6. charge control method according to claim 5, which is characterized in that if the current charging gun and corresponding electric power
There are corresponding direct-connected bus, the free time of the idle bridging bus of the selection one and the charging quantity between conversion module
Power converter module, control corresponding controllable switch in the primary matrix and the secondary matrix respectively, make selection across
It connects before bus connect with the power converter module of selection and the current charging gun respectively, further includes:
Judge whether the charging quantity is 1；
If it is not, the idle power converter module of the idle bridging bus of the selection one and the charging quantity is then executed,
Control corresponding controllable switch in the primary matrix and the secondary matrix respectively, make the bridging bus of selection respectively with selection
Power converter module the step of being connected with the current charging gun；
If so, controlling the controllable switch conducting in the corresponding direct-connected bus of the current charging gun, make the current charging gun
It is connected with corresponding power converter module by corresponding direct-connected bus.
7. charge control method according to claim 6, which is characterized in that the control current charging gun is corresponding
Controllable switch conducting in direct-connected bus, makes the current charging gun pass through corresponding direct-connected mother with corresponding power converter module
Line connection, comprising:
Judge whether the corresponding power converter module of the current charging gun is idle；
If so, controlling the controllable switch conducting in the corresponding direct-connected bus of the current charging gun, make the current charging gun
It is connected with corresponding power converter module by corresponding direct-connected bus.
8. according to the described in any item charge control methods of claim 5 to 7, which is characterized in that the selection one is idle
The idle power converter module for bridging bus and the charging quantity, controls the primary matrix and the secondary matrix respectively
In corresponding controllable switch, connect the bridging bus of selection with the power converter module of selection and the current charging gun respectively
It connects, comprising:
Judge whether there is the quantity of the idle power converter module of the connection preferred bridging mother equal with the charging quantity
Line；Wherein, the preferred bridging bus is the idle bridging bus selected；
If so, controlling corresponding controllable switch conducting in the secondary matrix, make the idle power converter mould of any connection
The quantity of the block preferred bridging bus equal with the charging quantity is connect with the current charging gun；
If it is not, then according to the quantity of the idle power converter module of preferred bridging bus connection and the charging number described in every
The absolute value of the difference of amount selects the idle power converter module of the preferred bridging bus and the charging quantity, and
Corresponding controllable switch in the primary matrix and the secondary matrix is controlled respectively, makes the preferred bridging bus point of selection
It is not connect with the power converter module of selection and the current charging gun.
9. charge control method according to claim 8, which is characterized in that described according to preferred bridging bus described in every
The absolute value of the difference of the quantity of the idle power converter module of connection and the charging quantity, selects a preferred bridging
The idle power converter module of bus and the charging quantity, comprising:
Judge whether there is the preferred bridging bus that corresponding absolute value is less than the charging quantity；
If so, selecting the corresponding the smallest preferred bridging bus of absolute value, and the smallest described according to corresponding absolute value
It is preferred that the idle power converter module that bridging bus is connected, selects the idle power converter module of the charging quantity.
10. a kind of battery charge controller characterized by comprising
Memory, for storing computer program；
Processor realizes such as claim 5 to 9 described in any item charge control methods when for executing the computer program
The step of.
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| CN201811068208.1A CN109159675B (en) | 2018-09-13 | 2018-09-13 | Matrix type flexible charging system, charging control method and device |
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| CN109159675B (en) | 2020-02-21 |
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