CN110509807A - Power distribution method, system and terminal device - Google Patents
Power distribution method, system and terminal device Download PDFInfo
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- CN110509807A CN110509807A CN201910696994.8A CN201910696994A CN110509807A CN 110509807 A CN110509807 A CN 110509807A CN 201910696994 A CN201910696994 A CN 201910696994A CN 110509807 A CN110509807 A CN 110509807A
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- charging
- module
- gun
- charging gun
- charging module
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention is suitable for charging technique field, disclose a kind of power distribution method, system and terminal device, it include: the quantity for the total quantity and each charging module charging module that includes for obtaining charging gun, wherein, every that charging gun is corresponded to a charging module, the output power of each charging module is all the same；According to the quantity for the charging module that the total quantity of charging gun and each charging module include, equal sub-matrix is generated, wherein it is stored in equal sub-matrix in the charging gun work of different number, it is every the corresponding selectable charging module of charging gun；According to equal sub-matrix and preset respectively rule, in the working quantity switching at runtime of charging gun, the charging gun to work distributes charging module.The present invention can reduce workload, improve the efficiency of power distribution, and then improve charge efficiency.
Description
Technical field
The invention belongs to charging technique field more particularly to a kind of power distribution methods, system and terminal device.
Background technique
With the development of science and technology, electric car using more and more extensive, thus, charging equipment is increasingly becoming the heat of research
Point, following, during the charging process, how power distributes the research object for also becoming more and more people.
Currently, the method for exhaustion is generallyd use to realize the distribution of power, but this method larger workload, efficiency are lower.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of power distribution method, system and terminal device, it is existing to solve
Technical work amount is larger, the lower problem of efficiency.
The first aspect of the embodiment of the present invention provides a kind of power distribution method, comprising:
The quantity for the charging module that the total quantity and each charging module for obtaining charging gun include, wherein every charging
Rifle corresponds to a charging module, and the output power of each charging module is all the same；
According to the quantity for the charging module that the total quantity of charging gun and each charging module include, equal sub-matrix is generated,
In, it is stored in equal sub-matrix in the charging gun work of different number, it is every the corresponding selectable charging module of charging gun；
According to equal sub-matrix and preset respectively rule, in the working quantity switching at runtime of charging gun, to work
Charging gun distribute charging module.
The second aspect of the embodiment of the present invention provides a kind of power distribution system, comprising:
Module is obtained, for obtaining the total quantity of charging gun and the quantity of each charging module charging module for including,
Wherein, every the corresponding charging module of charging gun, the output power of each charging module is all the same；
Respectively matrix generation module, the charging module for including for the total quantity and each charging module according to charging gun
Quantity generates equal sub-matrix, wherein it is stored in equal sub-matrix in the charging gun work of different number, it is every charging gun pair
The selectable charging module answered；
Distribution module is used for according to equal sub-matrix and preset respectively rule, in the working quantity switching at runtime of charging gun
When, the charging gun to work distributes charging module.
The third aspect of the embodiment of the present invention provides a kind of terminal device, including memory, processor and is stored in
In memory and the computer program that can run on a processor, processor are realized when executing computer program such as first aspect institute
The step of stating power distribution method.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, computer readable storage medium
It is stored with computer program, power distribution as described in relation to the first aspect is realized when computer program is executed by one or more processors
The step of method.
Existing beneficial effect is the embodiment of the present invention compared with prior art: the embodiment of the present invention obtains charging gun first
Total quantity and each charging module charging module for including quantity, then according to the total quantity of the charging gun and described
The quantity for the charging module that each charging module includes generates equal sub-matrix, wherein is stored in the equal sub-matrix in difference
It is every the corresponding selectable charging module of charging gun when the charging gun work of quantity, finally according to the equal sub-matrix and in advance
If divide equally rule, in the working quantity switching at runtime of charging gun, distribute charging module for the charging gun that is working, can
Solve larger workload, the lower problem of efficiency, it is possible to reduce workload improves the efficiency of power distribution, and then improves charging
Efficiency.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram for the charging system that one embodiment of the invention provides；
Fig. 2 is the implementation process schematic diagram for the power distribution method that one embodiment of the invention provides；
Fig. 3 be another embodiment of the present invention provides power distribution method implementation process schematic diagram；
Fig. 4 is the implementation process schematic diagram for the power distribution method that yet another embodiment of the invention provides；
Fig. 5 is the implementation process schematic diagram for the power distribution method that further embodiment of this invention provides；
Fig. 6 is the schematic block diagram for the power distribution system that one embodiment of the invention provides；
Fig. 7 is the schematic block diagram for the terminal device that one embodiment of the invention provides.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, so as to provide a thorough understanding of the present application embodiment.However, it will be clear to one skilled in the art that there is no these specific
The application also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, so as not to obscure the description of the present application with unnecessary details.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Fig. 1 is the structural schematic diagram for the charging system that one embodiment of the invention provides.As shown in Figure 1, each charging module
Corresponding one charging gun, and the total quantity of charging module is N, and Fig. 1 is that N number of charging module corresponds to system architecture of the N charging gun.
Each charging module may include multiple charging modules, and the quantity of the charging module that charging module group i includes can be with
It is expressed as mi, it is assumed that the output power of each charging module is 15K, then the general power of charging system isWherein, it is to fill that charging module, which can be by the convert alternating current that system power supply (such as source power supply) obtains,
The equipment of the direct current of electricity, charging gun can be to connect, for the electricity for needing charging equipment with charging equipment (such as electric car) is needed
The equipment of pond charging.
It is every that charging gun is had the charging module being directly connected, which is known as to the mother of the charging gun
Line charging module.Charging gun is attached with non-busbar charging mould group by power switch.In addition to the busbar charging mould of charging gun
Charging module outside group is the non-busbar charging mould group of the charging gun.N number of charging module corresponds to the power switch of ring topology
Number be N (N-1)/2.
For example, charging module 1 is the bus mould group of charging gun 1 for charging gun 1, charging module 2 to charging module N is
The non-bus mould group of charging gun 1.
Fig. 2 is the implementation process schematic diagram for the power distribution method that one embodiment of the invention provides, for ease of description, only
Show part related to the embodiment of the present invention.The executing subject of the embodiment of the present invention can be terminal device.Such as Fig. 2 institute
Show, this method may comprise steps of:
S201: the quantity for the charging module that the total quantity and each charging module for obtaining charging gun include, wherein every
Charging gun corresponds to a charging module, and the output power of each charging module is all the same.
In embodiments of the present invention, the charging mould that the total quantity N and each charging module i of charging gun include is obtained first
The quantity m of blocki.Wherein, the output power of each charging module is all the same, every the corresponding charging module of charging gun.
S202: it according to the quantity for the charging module that the total quantity of charging gun and each charging module include, generates and divides equally square
Battle array, wherein it is stored in equal sub-matrix in the charging gun work of different number, it is every the corresponding selectable charging of charging gun
Mould group.
Wherein, equal sub-matrix can be using charging module as basic unit, can when charging simultaneously according to different charging guns
The charging module pond (i.e. the set of multiple charging modules composition) of configuration describes.Guarantee that power-sharing or prime power are divided equally
It is based under equal merotype, what charging module was presented divides equally opposite mutual exclusion principle.Respectively can specifically it be parsed with respect to mutual exclusion principle
For under equal merotype, an a possibility that charging module is not present while belonging to two charging guns, therefore under equal merotype,
Respectively crowding-out effect can be presented in charging module distribution.Respectively crowding-out effect can meet the condition that charging gun divides equally power to work as
Under, being not belonging to the charging module that the charging gun is divided equally can squeeze out naturally because of the algorithm logic of equal sub-matrix, and become to distribute
State.
Based on assumed above, the composing principle of equal sub-matrix can be the power combination for passing through charging module, realize charging
Rifle divides equally, and the power combination of charging module needs to be specifically defined according to while the charging gun filled.
In embodiments of the present invention, the charging module that can include according to the total quantity and each charging module of charging gun
Quantity generates equal sub-matrix.Be stored in equal sub-matrix in the charging gun work of different number, it is every charging gun is corresponding can
The charging module of selection.
S203: according to equal sub-matrix and preset respectively rule, in the working quantity switching at runtime of charging gun, for
The charging gun of work distributes charging module.
In embodiments of the present invention, can according to the equal sub-matrix of above-mentioned generation and it is preset divide equally rule, in charging gun
Working quantity switching at runtime when, distribute charging module for the charging gun that is working, have reached power averaging distribution or power
Basic mean allocation.Wherein, the charging gun to work is being the charging gun for needing charging equipment to charge.
Optionally, the charging gun to work distributes charging module, may include:
The charging module for distributing to the charging gun to work is sent to the charging gun to work, the charging module
The charging gun to work be can serve to indicate that according to the charging module, (for example, disconnecting power switch) is cut out automatically and do not belong to
It is in the charging module of connection status with the charging gun to work in the charging module, and automatically engages (for example, closure
Power switch) belong to the charging module that not-connected status is in the charging gun to work of the charging module.
Seen from the above description, the embodiment of the present invention is by equal sub-matrix and preset respectively rule, in the work of charging gun
When making quantity switching at runtime, charging module is distributed for the charging gun that is working, to reach power averaging distribution or substantially average
Distribution, power averaging distribution can need charging equipment that can complete with quick charge to avoid a certain, and other charging equipment be needed to need
Long period could occur the case where charging complete；Compared to the method for exhaustion, power distribution method energy provided in an embodiment of the present invention
It workload is enough reduced, improves the efficiency of power distribution, and then improves charge efficiency, improve each charging equipment that needs on the whole
Charge efficiency.
Fig. 3 be another embodiment of the present invention provides power distribution method implementation process schematic diagram, for ease of description,
Only parts related to embodiments of the present invention are shown.As shown in figure 3, above-mentioned steps S202 may comprise steps of:
S301: when the quantity of the charging gun to work is the first quantity, the charging that includes according to each charging module
The quantity of module and the first quantity calculate the averaging module quantity when charging gun work of the first quantity, wherein the first quantity is
More than or equal to 1, and it is less than or equal to any positive integer of the total quantity of charging gun.
In one embodiment of the invention, the quantity for the charging module for including according to each charging module and the first quantity
Calculate the calculation formula of the averaging module quantity when charging gun work of the first quantity are as follows:
Wherein, p is the first quantity,Averaging module quantity when working for the charging gun of the first quantity p, miFor charging
The quantity for the charging module that mould group i includes, N are the quantity of charging module.
In embodiments of the present invention, average mould group number when the first quantity is 1 any positive integer into N is calculated separately
Amount.That is, being calculated when the quantity of the charging gun to work is 1When the quantity of the charging gun to work is 2, meter
It calculatesAnd so on, when the quantity of the charging gun to work is N, calculate
S302: the quantity for the charging module that the busbar charging mould group according to averaging module quantity and the first charging gun includes,
It calculates in the charging gun work of the first quantity, the corresponding optional module number of residue of the first charging gun, wherein the first charging gun
To be any one charging gun in the charging gun that is working, the busbar charging mould group of the first charging gun is that the first charging gun is direct
Connected charging module.
In embodiments of the present invention, in the charging gun work of the first quantity, the corresponding residue of the first charging gun can modeling
Averaging module quantity when number of blocks is the charging gun work of the first quantity subtracts the busbar charging mould group of the first charging gun and includes
Charging module the obtained difference of quantity.Wherein, the first charging gun is any one the charging gun to work, the first charging
The busbar charging mould group of rifle is the charging module that the first charging gun is connected directly, i.e., the connected charging mould of obstructed overpower switch
Group.
Calculate separately the charging gun of different number just at work, each corresponding residue of charging gun to work
Optional module number.
S303: the quantity for choosing the charging module for including is less than or equal to other charging modules of remaining optional module number
As the first quantity charging gun work when, the corresponding selectable charging module of the first charging gun, wherein other charging moulds
Group is the charging module other than the busbar charging mould group of the first charging gun.
In embodiments of the present invention, in the charging gun work of the first quantity, the first charging gun is corresponding selectable to be filled
Electric mould group is that the quantity for the charging module for including is less than or equal in the charging gun work of the first quantity, and the first charging gun is corresponding
The optional module number of residue other charging modules, wherein other charging modules are the busbar charging in addition to the first charging gun
Charging module except mould group, the i.e. non-bus mould group of the first charging gun.
In a specific application scenarios, by taking 4 rifle ring topologies as an example, i.e., the total quantity of charging gun is 4, charging module
Quantity be also 4.The quantity for the charging module that charging module 1 includes is 2, and the quantity for the charging module that charging module 2 includes is
4, the quantity for the charging module that charging module 3 includes is 4, and the quantity of the corresponding charging module of charging module 4 is 2.
When the first quantity is 1,At this point, charging gun 1 is corresponding surplus
Remaining optional module number is 12-2=10, and the quantity for the charging module that charging module 2, charging module 3 and charging module 4 include
Respectively less than 10, therefore, charging module 2, charging module 3 and charging module 4 be 1 rifle operating mode (i.e. one charging gun just
Working) under, selectable charging module when charging gun 1 works.1 rifle operating mode (i.e. one is working charging gun)
Under, the calculating process of other charging guns is similar, and details are not described herein.The results are shown in Table 1.
The corresponding equal sub-matrix of 14 rifle ring topology of table
When the first quantity is 2,At this point, the corresponding residue of charging gun 1
Optional module number is 6-2=4, and the quantity for the charging module that charging module 2, charging module 3 and charging module 4 include is small
In or be equal to 4, therefore, charging module 2, charging module 3 and charging module 4 are that (i.e. two charging guns are just in 2 rifle operating modes
Working) under, selectable charging module when charging gun 1 works.
The corresponding optional module number of residue of charging gun 2 is 6-4=2, and what charging module 1 and charging module 4 included fills
The quantity of electric module is respectively less than or is equal to 2, and therefore, charging module 1 and charging module 4 are that (i.e. two are filled in 2 rifle operating modes
Electric rifle is working) under, selectable charging module when charging gun 2 works.The calculating process of other charging guns is similar, herein
It repeats no more.The results are shown in Table 1.
Under 3 rifle operating modes and 4 rifle operating modes, specific calculating process is similar with the above process, and details are not described herein.
The equal sub-matrix generated is as shown in table 1, and table 1 is a kind of example of equal sub-matrix, and equal sub-matrix can also use other forms table
Show.Wherein, charging gun the number of output is the quantity of the charging gun to work, and in optional charging module, 0 is indicated without selectable
Charging module, other numbers are respectively the number of corresponding charging module.When the charging gun to work is without optional charging module
When, then the charging gun be it is in running order under charging gun.For example, in table 1, when charging gun the number of output is 3, charging
Rifle 2 and 3 be it is in running order under charging gun, otherwise respectively invalid, mode failures even.
Fig. 4 is the implementation process schematic diagram for the power distribution method that yet another embodiment of the invention provides, for ease of description,
Only parts related to embodiments of the present invention are shown.As shown in figure 4, " preset to divide equally rule " in above-mentioned steps S203 can
To include:
S401: by busbar charging mould splits the first charging gun of dispensing of the first charging gun.
In embodiments of the present invention, every busbar charging mould group charging gun is the charging mould that the charging gun must be assigned
The busbar charging mould group of the charging gun to work is distributed to the corresponding charging gun to work for every by group.
S402: obtaining the quantity of the charging gun to work, is denoted as the second quantity, and obtain the second number according to equal sub-matrix
When the charging gun work of amount, which is denoted as the by the corresponding selectable charging module of the first charging gun
One selectable charging module.
In embodiments of the present invention, according to the equal sub-matrix of above-mentioned generation, the charging gun of available second quantity works
When, each corresponding selectable charging module of charging gun to work.
For ease of description, when the charging gun of the second quantity being worked, the corresponding selectable charging mould of the first charging gun
Group is denoted as the first selectable charging module.
S403: it if including the busbar charging mould group of other charging guns in the first selectable charging module, is filled other
The busbar charging mould group of electric rifle is remembered from the first selectable charging module removal, and by the first current selectable charging module
For the second selectable charging module, wherein other charging guns are the charging gun to work other than the first charging gun.
It, should if in the first selectable charging module including the busbar charging mould group of other charging guns to work
Busbar charging mould group will eliminate the first selectable of the busbar charging mould group from the first selectable charging module removal
Charging module is denoted as the second selectable charging module.That is, excluding the busbar charging mould of charging gun in running order simultaneously
Group.
In embodiments of the present invention, new definition is imparted for other charging guns, i.e., other charging guns are in addition to first fills
The charging gun to work except electric rifle.
S404: obtaining in the charging gun work of the second quantity, the corresponding optional module number of residue of the first charging gun, and
The optional module number of the residue is denoted as the remaining optional module number of target.
It is available in the charging gun work of the second quantity according to the calculating process of step S302, the first charging gun pair
The optional module number of residue answered.Wherein, the remaining optional module number of target is in the charging gun work of the second quantity first
The corresponding optional module number of residue of charging gun.
S405: it according to the remaining optional module number of target, is chosen from the second selectable charging module and distributes to first
The charging module of charging gun, and the charging module for distributing to the first charging gun of selection is distributed into the first charging gun.
It in embodiments of the present invention, can be from the second selectable charging module according to the remaining optional module number of target
It is middle to choose the charging module for distributing to the first charging gun, after the completion of selection, by the charging mould for distributing to the first charging gun of selection
Group distributes to the first charging gun.
S406: if in the first selectable charging module, there remains unappropriated charging modules, then will be unallocated
Charging module distribute to the first charging gun.
Wherein, unappropriated charging module is to be not yet assigned to the idle charging module of the charging gun to work.
If there are still unappropriated charging modules in the first selectable charging module, then by the unappropriated charging
The first charging gun of mould splits dispensing.
Optionally, the charging module (number) for distributing to each charging gun is sent to corresponding charging gun by terminal device,
Charging gun can cut out the charging module for being not yet assigned to the charging gun automatically, can also will distribute to the charging mould of the charging gun
Group automatically engages.
Fig. 5 is the implementation process schematic diagram for the power distribution method that further embodiment of this invention provides, for ease of description,
Only parts related to embodiments of the present invention are shown.As shown in figure 5, " optional according to target residue in above-mentioned steps S405
Module number chooses the charging module for distributing to the first charging gun from the second selectable charging module " it may include following
Step:
S501: from the second selectable charging module, the first charging module is chosen as distributing to the first charging gun
Charging module, wherein the first charging module can be less than or equal to target residue in the quantity of all charging modules for including
In the selectable charging module of the second of modeling number of blocks, including charging module quantity and the remaining optional module number of target
Differ the smallest second selectable charging module.
First from the second selectable charging module, select the quantity for the charging module for including surplus less than or equal to target
The second selectable charging module is denoted as charging mould to be selected by the second selectable charging module of remaining optional module number
Group；Then, from charging module to be selected, the quantity for choosing the charging module for including differs most with the remaining optional module number of target
Small charging module is denoted as the first charging module, specifically: it calculates separately the remaining optional module number of target and subtracts charging to be selected
The difference of the quantity for the charging module that mould group includes is chosen in each difference, the corresponding charging module to be selected of the smallest difference, should
Charging module to be selected is the first charging module.First charging module is the charging mould for distributing to the first charging gun chosen
Group.
S502: the quantity that the remaining optional module number of target subtracts the charging module that the first charging module includes is obtained
Difference removes the first charging module as the remaining optional module number of new target from the second selectable charging module,
Obtain the selectable charging module of new second.
S503: it if there are still the first charging modules in the second selectable charging module, continues to execute optional from second
In the charging module selected, the step of the first charging module is as the charging module for distributing to the first charging gun is chosen, until second
The first charging module is not present in selectable charging module.
If there are still the first charging module in the second selectable charging module, return step S501 circulation is executed；If
The first charging module is not present in second selectable charging module, then chooses completion, end loop, each the first of selection is filled
Electric mould group is the charging module for distributing to the first charging gun chosen.
In a specific application scenarios, by taking 4 rifle ring topologies in above-mentioned application scenarios as an example.Assuming that working
The quantity of charging gun be 1, and charging gun 1 is working, and the charging module for distributing to charging gun 1 is charging module 1 to 4.It is false
If charging gun 3 enters working condition at this time.Start to be parsed according to step below:
1) according under 1,1 rifle operating mode of table, charging module 2 to 4 distributes to charging gun 1, according to S401, charging module
1 is also allocated to charging gun 1.
2) according to S401 to S403, charging module 3 is cut out automatically by charging gun 1, and charging module 3 distributes to charging gun 3.
3) according under 1,2 rifle operating mode of table, the optional charging module of charging gun 1 is 2,3 and 4, but due to charging module 3
It has been be cut out that, the corresponding optional charging module of charging gun 1 is 2 and 4 at this time, according to S404, S405 and S501 to S503, charging gun
1 charging module selected is 2, at this point, charging gun 1 cuts out charging module 4 automatically；The optional charging module of charging gun 3 is 1 and 4, but
According to S401 to S403, charging gun 3 excludes the busbar charging mould group of the charging gun 1 to work, i.e. exclusion charging module 1, this
When, charging module 4 has been charged rifle 1 and cuts out, and is in idle condition, and therefore, charging gun 3 puts into charging module 4.
4) assume that charging gun 2 enters working condition, according to S401 to S403, charging gun 1 cuts out charging module 2 automatically.
5) according under 1,3 rifle operating mode of table, charging module 4 is not belonging to charging gun 3, and therefore, charging gun 3 is cut out automatically to be filled
Electric mould group 4.
6) according under 1,3 rifle operating mode of table, the optional charging module of charging gun 1 is 4, and charging module 4 is in the free time at this time
State, charging gun 1 automatically engage charging module 4.
In above-mentioned application scenarios, charging module 4 is automatically exited from by charging gun 3, meets above-mentioned respectively crowding-out effect.This is
Point crowding-out effect can allow programming to realize decoupling, every that charging gun is managed independently itself charging module, in the case where dividing equally and controlling,
Other charging guns meeting natures squeeze out idle charging module, and idle charging module is simply waited in this charging gun according to above-mentioned default
Divide equally Rules Filtering, facilitate program to realize.
Seen from the above description, under charging gun Number dynamics switch instances, logic of the embodiment of the present invention is simple, without etc.
Completion is executed to hardness.Since charging module booting preliminary filling is incorporated to, and simultaneously machine contactor is incorporated to belong to and controls at a slow speed, however not excluded that
In the case where switching at runtime half, the variation of charging gun quantity is carried out, but as long as following the above preset rule of dividing equally, it can be achieved that good
Good switching at runtime is asynchronous without will lead to state.It is well known that under state out of step conditions, and machine contactor do not disconnect or
Person's charging module is not turned off or charging module closes, but logical attribute does not switch completion, will switching system be made to collapse.Such as
Fruit is in such a way that contactor selects, it may be necessary to wait switching completely to complete that the variation of charging gun quantity could be responded, will make like that
Programmed logic timing control is more complicated and brings asynchronous risk.Power distribution method provided by the embodiment of the present invention then may be used
To avoid above-mentioned risk.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
Fig. 6 be one embodiment of the invention provide power distribution system schematic block diagram, for ease of description, only show with
The relevant part of the embodiment of the present invention.
In embodiments of the present invention, power distribution system 60 may include obtaining module 601, dividing equally matrix generation module
602 and distribution module 603.
Wherein, module 601 is obtained, for obtaining the total quantity and each charging module charging module for including of charging gun
Quantity, wherein every the corresponding charging module of charging gun, the output power of each charging module is all the same；
Respectively matrix generation module 602, the charging mould for including for the total quantity and each charging module according to charging gun
The quantity of block generates equal sub-matrix, wherein it is stored in equal sub-matrix in the charging gun work of different number, it is every charging
The corresponding selectable charging module of rifle；
Distribution module 603, for being cut in the working quantity dynamic of charging gun according to equal sub-matrix and preset respectively rule
When changing, the charging gun to work distributes charging module.
Optionally, respectively matrix generation module 602 may include averaging module amount calculation unit, remaining optional number of modules
Measure computing unit and charging module selection unit；
Wherein, averaging module amount calculation unit, for when the quantity of the charging gun to work be the first quantity when, root
The being averaged when quantity for the charging module for including according to each charging module and the first quantity calculate the charging gun work of the first quantity
Module number, wherein the first quantity is any positive integer of the total quantity more than or equal to 1, and less than or equal to charging gun；
Remaining optional module number computing unit, for the busbar charging mould according to averaging module quantity and the first charging gun
The quantity for the charging module that group includes is calculated in the charging gun work of the first quantity, and the corresponding residue of the first charging gun is optional
Module number, wherein the first charging gun is any one charging gun, the bus of the first charging gun in the charging gun to work
Charging module is the charging module that the first charging gun is connected directly；
Charging module selection unit, the quantity for choosing the charging module for including are less than or equal to remaining optional number of modules
Amount other charging modules be used as the first quantity charging gun work when, the corresponding selectable charging mould of the first charging gun
Group, wherein other charging modules are the charging module other than the busbar charging mould group of the first charging gun.
Optionally, the preset rule of dividing equally in distribution module 603 may include:
By busbar charging mould splits the first charging gun of dispensing of the first charging gun；
The quantity for obtaining the charging gun to work is denoted as the second quantity, and obtains the second quantity according to equal sub-matrix
When charging gun works, the corresponding selectable charging module of the first charging gun, which is denoted as first can
The charging module of selection；
If including the busbar charging mould group of other charging guns in the first selectable charging module, by other charging guns
The first current selectable charging module is denoted as second from the first selectable charging module removal by busbar charging mould group
Selectable charging module, wherein other charging guns are the charging gun to work other than the first charging gun；
It obtains in the charging gun work of the second quantity, the corresponding optional module number of residue of the first charging gun, and should
Remaining optional module number is denoted as the remaining optional module number of target；
According to the remaining optional module number of target, is chosen from the second selectable charging module and distribute to the first charging gun
Charging module, and the charging module for distributing to the first charging gun of selection is distributed into the first charging gun；
If there remains unappropriated charging modules in the first selectable charging module, then filled unappropriated
Electric the first charging gun of mould splits dispensing.
Optionally, it is above-mentioned it is preset divide equally in rule, according to the remaining optional module number of target, selectable filled from second
The charging module for distributing to the first charging gun is chosen in electric mould group, may include:
From the second selectable charging module, the first charging module is chosen as the charging mould for distributing to the first charging gun
Group, wherein the first charging module is the quantity in all charging modules for including less than or equal to the remaining optional module of target
In the selectable charging module of the second of quantity, including the remaining optional module number of quantity and target of charging module differ most
The selectable charging module of small second；
The remaining optional module number of target is subtracted into the difference that the quantity for the charging module that the first charging module includes obtains,
As the remaining optional module number of new target, the first charging module is removed from the second selectable charging module, is obtained
The selectable charging module of new second；
If continuing to execute and selectable being filled from second there are still the first charging module in the second selectable charging module
In electric mould group, the step of the first charging module is as the charging module for distributing to the first charging gun is chosen, until second may be selected
Charging module in be not present the first charging module.
Optionally, in averaging module amount calculation unit, according to the quantity for the charging module that each charging module includes
The calculation formula of the averaging module quantity when charging gun work of the first quantity is calculated with the first quantity are as follows:
Wherein, p is the first quantity,Averaging module quantity when working for the charging gun of the first quantity p, miFor charging
The quantity for the charging module that mould group i includes, N are the quantity of charging module.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of the power distribution system is divided into different functional unit or module, with
Complete all or part of function described above.Each functional unit in embodiment, module can integrate single in a processing
In member, it is also possible to each unit and physically exists alone, can also be integrated in one unit with two or more units, on
It states integrated unit both and can take the form of hardware realization, can also realize in the form of software functional units.In addition, each
Functional unit, module specific name be also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.On
The specific work process for stating unit in device, module, can refer to corresponding processes in the foregoing method embodiment, no longer superfluous herein
It states.
Fig. 7 is the schematic block diagram for the terminal device that one embodiment of the invention provides.As shown in fig. 7, the terminal of the embodiment
Equipment 70 includes: one or more processors 701, memory 702 and is stored in the memory 702 and can be at the place
The computer program 703 run on reason device 701.The processor 701 is realized above-mentioned each when executing the computer program 703
Step in power distribution method embodiment, such as step S201 to S203 shown in Fig. 2.Alternatively, the processor 701 executes
The function of each module/unit in above-mentioned power distribution system embodiment is realized when the computer program 703, such as shown in Fig. 6
The function of module 601 to 603.
Illustratively, the computer program 703 can be divided into one or more module/units, it is one or
Multiple module/the units of person are stored in the memory 702, and are executed by the processor 701, to complete the application.Institute
Stating one or more module/units can be the series of computation machine program instruction section that can complete specific function, the instruction segment
For describing implementation procedure of the computer program 703 in the terminal device 70.For example, the computer program 703
It can be divided into and obtain module, divide equally matrix generation module and distribution module, each module concrete function is as follows:
Module is obtained, for obtaining the total quantity of charging gun and the quantity of each charging module charging module for including,
Wherein, every the corresponding charging module of charging gun, the output power of each charging module is all the same；
Respectively matrix generation module, the charging module for including for the total quantity and each charging module according to charging gun
Quantity generates equal sub-matrix, wherein it is stored in equal sub-matrix in the charging gun work of different number, it is every charging gun pair
The selectable charging module answered；
Distribution module is used for according to equal sub-matrix and preset respectively rule, in the working quantity switching at runtime of charging gun
When, the charging gun to work distributes charging module.
Other modules or unit can refer to the description in embodiment shown in fig. 6, and details are not described herein.
The terminal device 70 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The terminal device 70 includes but are not limited to processor 701, memory 702.It will be understood by those skilled in the art that Fig. 7
An only example of terminal device 70, does not constitute the restriction to terminal device 70, may include more or more than illustrating
Few component perhaps combines certain components or different components, such as the terminal device 70 can also include that input is set
Standby, output equipment, network access equipment, bus etc..
The processor 701 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 702 can be the internal storage unit of the terminal device 70, such as the hard disk of terminal device 70
Or memory.The memory 702 is also possible to the External memory equipment of the terminal device 70, such as on the terminal device 70
The plug-in type hard disk of outfit, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD)
Card, flash card (Flash Card) etc..Further, the memory 702 can also have been deposited both the inside including terminal device 70
Storage unit also includes External memory equipment.The memory 702 is used to store the computer program 703 and the terminal is set
Other programs and data needed for standby 70.The memory 702, which can be also used for temporarily storing, have been exported or will be defeated
Data out.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
In embodiment provided herein, it should be understood that disclosed power distribution system and method, Ke Yitong
Other modes are crossed to realize.For example, power distribution system embodiment described above is only schematical, for example, described
The division of module or unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as more
A unit or assembly can be combined or can be integrated into another system, or some features can be ignored or not executed.It is another
Point, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device or
The INDIRECT COUPLING or communication connection of unit can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the application realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium
It may include: any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic that can carry the computer program code
Dish, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium do not include be electric carrier signal and
Telecommunication signal.
Embodiment described above is only to illustrate the technical solution of the application, rather than its limitations；Although referring to aforementioned reality
Example is applied the application is described in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution should all
Comprising within the scope of protection of this application.
Claims (10)
1. a kind of power distribution method characterized by comprising
The quantity for the charging module that the total quantity and each charging module for obtaining charging gun include, wherein every charging gun pair
A charging module is answered, the output power of each charging module is all the same；
According to the quantity for the charging module that the total quantity of the charging gun and each charging module include, generates and divide equally square
Battle array, wherein it is stored in the equal sub-matrix in the charging gun work of different number, it is every that charging gun is corresponding selectable
Charging module；
According to the equal sub-matrix and preset respectively rule, in the working quantity switching at runtime of charging gun, to work
Charging gun distribute charging module.
2. power distribution method according to claim 1, which is characterized in that the total quantity according to the charging gun and
The quantity for the charging module that each charging module includes, generates equal sub-matrix, comprising:
When the quantity of the charging gun to work is the first quantity, the charging module that includes according to each charging module
Quantity and first quantity calculate the averaging module quantity when charging gun work of first quantity, wherein described first
Quantity is any positive integer of the total quantity more than or equal to 1, and less than or equal to the charging gun；
The quantity for the charging module that busbar charging mould group according to the averaging module quantity and the first charging gun includes calculates
When the charging gun work of first quantity, the corresponding optional module number of residue of first charging gun, wherein described first
Charging gun be it is any one charging gun in the charging gun to work, the busbar charging mould group of first charging gun is described
The charging module that first charging gun is connected directly；
The quantity for the charging module that selection includes is less than or equal to other charging module conducts of the optional module number of residue
In the charging gun work of first quantity, the corresponding selectable charging module of first charging gun, wherein it is described its
Its charging module is the charging module other than the busbar charging mould group of first charging gun.
3. power distribution method according to claim 2, which is characterized in that it is described it is preset divide equally rule include:
First charging gun described in busbar charging mould splits dispensing by first charging gun；
The quantity for obtaining the charging gun to work is denoted as the second quantity, and obtains the second quantity according to the equal sub-matrix
When charging gun works, which is denoted as the by the corresponding selectable charging module of first charging gun
One selectable charging module；
If including the busbar charging mould group of other charging guns in the first selectable charging module, by other chargings
The busbar charging mould group of rifle is from the described first selectable charging module removal, and by the first current selectable charging module
It is denoted as the second selectable charging module, wherein other charging guns are working other than first charging gun
Charging gun；
It obtains in the charging gun work of second quantity, the corresponding optional module number of residue of first charging gun, and
The optional module number of the residue is denoted as the remaining optional module number of target；
According to the remaining optional module number of the target, is chosen from the described second selectable charging module and distribute to described the
The charging module of one charging gun, and the charging module for distributing to first charging gun of selection is distributed into first charging
Rifle；
It, then will be described unallocated if there remains unappropriated charging modules in the described first selectable charging module
Charging module distribute to first charging gun.
4. power distribution method according to claim 3, which is characterized in that described according to the remaining optional module of the target
Quantity chooses the charging module for distributing to first charging gun from the described second selectable charging module, comprising:
From the described second selectable charging module, the first charging module is chosen as distributing to filling for first charging gun
Electric mould group, wherein first charging module is the quantity in all charging modules for including less than or equal to the target
In second selectable charging module of remaining optional module number, including charging module quantity and the target residue can
Modeling number of blocks differs the smallest second selectable charging module；
The quantity that the remaining optional module number of the target subtracts the charging module that first charging module includes is obtained
Difference selectable fills first charging module from described second as the remaining optional module number of the new target
It is removed in electric mould group, obtains the selectable charging module of new second；
If being continued to execute described from described the there are still first charging module in the second selectable charging module
In two selectable charging modules, step of first charging module as the charging module for distributing to first charging gun is chosen
Suddenly, until first charging module is not present in the described second selectable charging module.
5. according to the described in any item power distribution methods of claim 2 to 4, which is characterized in that described each to be filled according to described
The quantity for the charging module that electric mould group includes and first quantity calculate the averaging module when charging gun work of the first quantity
The calculation formula of quantity are as follows:
Wherein, p is the first quantity,Averaging module quantity when working for the charging gun of the first quantity p, miFor charging module
The quantity for the charging module that i includes, N are the quantity of charging module.
6. a kind of power distribution system characterized by comprising
Module is obtained, for obtaining the total quantity of charging gun and the quantity of each charging module charging module for including, wherein
Every that charging gun is corresponded to a charging module, the output power of each charging module is all the same；
Respectively matrix generation module, the charging mould for including for the total quantity and each charging module according to the charging gun
The quantity of block generates equal sub-matrix, wherein is stored in the equal sub-matrix in the charging gun work of different number, every
The corresponding selectable charging module of charging gun；
Distribution module is used for according to the equal sub-matrix and preset respectively rule, in the working quantity switching at runtime of charging gun
When, the charging gun to work distributes charging module.
7. power distribution system according to claim 6, which is characterized in that it is described divide equally matrix generation module include:
Averaging module amount calculation unit, for when the quantity of the charging gun to work is the first quantity, according to described every
When the charging gun that the quantity for the charging module that a charging module includes and first quantity calculate first quantity works
Averaging module quantity, wherein first quantity is and to be less than or equal to the total quantity of the charging gun more than or equal to 1
Any positive integer；
Remaining optional module number computing unit, for the busbar charging mould according to the averaging module quantity and the first charging gun
The quantity for the charging module that group includes is calculated in the charging gun work of first quantity, and first charging gun is corresponding
Remaining optional module number, wherein first charging gun be it is any one charging gun in the charging gun to work, it is described
The busbar charging mould group of first charging gun is the charging module that first charging gun is connected directly；
Charging module selection unit, the quantity for choosing the charging module for including are less than or equal to the optional number of modules of residue
For other charging modules of amount as in the charging gun work of first quantity, first charging gun is corresponding selectable
Charging module, wherein other charging modules are the charging mould other than the busbar charging mould group of first charging gun
Group.
8. power distribution system according to claim 7, which is characterized in that described preset equal in the distribution module
Divider then includes:
First charging gun described in busbar charging mould splits dispensing by first charging gun；
The quantity for obtaining the charging gun to work is denoted as the second quantity, and obtains the second quantity according to the equal sub-matrix
When charging gun works, which is denoted as the by the corresponding selectable charging module of first charging gun
One selectable charging module；
If including the busbar charging mould group of other charging guns in the first selectable charging module, by other chargings
The busbar charging mould group of rifle is from the described first selectable charging module removal, and by the first current selectable charging module
It is denoted as the second selectable charging module, wherein other charging guns are working other than first charging gun
Charging gun；
It obtains in the charging gun work of second quantity, the corresponding optional module number of residue of first charging gun, and
The optional module number of the residue is denoted as the remaining optional module number of target；
According to the remaining optional module number of the target, is chosen from the described second selectable charging module and distribute to described the
The charging module of one charging gun, and the charging module for distributing to first charging gun of selection is distributed into first charging
Rifle；
It, then will be described unallocated if there remains unappropriated charging modules in the described first selectable charging module
Charging module distribute to first charging gun.
9. a kind of terminal device, including memory, processor and storage are in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as claim 1 to 5 when executing the computer program
The step of any one power distribution method.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence realizes the power distribution as described in any one of claim 1 to 5 when the computer program is executed by one or more processors
The step of method.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793439A (en) * | 2021-01-04 | 2021-05-14 | 石家庄通合电子科技股份有限公司 | Charging device and method for multiple charging guns and terminal equipment |
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