CN109050322A - A kind of charging system and method - Google Patents
A kind of charging system and method Download PDFInfo
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- CN109050322A CN109050322A CN201810994937.3A CN201810994937A CN109050322A CN 109050322 A CN109050322 A CN 109050322A CN 201810994937 A CN201810994937 A CN 201810994937A CN 109050322 A CN109050322 A CN 109050322A
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Abstract
The embodiment of the present invention proposes a kind of charging system and method, is related to automobile charging field.The charging system includes power distributing unit, charging gun and multiple power modules, wherein power distributing unit is electrically connected with charging gun, with the demand power for detecting the device to be charged connecting with charging gun；Power module at least forms the first power output group and the second power output group, and when demand power is less than or equal to the peak power output of the first power output group, the first power output group and charging gun is connected in power distributing unit；When demand power is greater than the peak power output of the first power output group and is less than or equal to the peak power output of the second power output group, the second power output group and charging gun is connected in power distributing unit.Charging system provided in an embodiment of the present invention and method have the advantages of will not wasting device performance, will not resulting in waste of resources.
Description
Technical field
The present invention relates to automobile charging fields, in particular to a kind of charging system and method.
Background technique
With the fast development of current electric car, charging pile is also had been to be concerned by more and more people, multiple in order to meet
Vehicle completes charging simultaneously and efficiently, derives group charging system, group's charging system is met by one or more access.
Since group's charging system needs to charge for different types of vehicle, so each device of general group's charging system
Part is applicable in the device of larger specification.But due to be not it is each charging occasion require larger specification electric current output,
The situation of each device specification surplus of group charging system is caused, the manufacturing cost of equipment is increased, wastes device performance,
It results in waste of resources.
It is the emphasis of those skilled in the art's concern in view of this, how to solve the above problems.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of charging system and method, to solve to charge in the prior art
System is easy to appear the problem of device performance waste.
Another object of the present invention is to provide a kind of charging methods, are easy to appear with solving charging system in the prior art
The problem of device performance wastes.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
On the one hand, the embodiment of the present invention proposes a kind of charging system, is applied to charging pile, the charging system includes function
Rate allocation unit, charging gun and multiple power modules, the power distributing unit are electrically connected with the charging gun, for detecting
The demand power for the device to be charged being connect with the charging gun；The power module at least forms the first power output group and
Two power output groups, the peak power output of the first power output group are less than the maximum output of the second power output group
Power, the power distributing unit are electrically connected with the first power output group and the second power output group, the function
Rate allocation unit is also used to lead when the demand power is less than or equal to the peak power output of the first power output group
Lead to the first power output group and the charging gun, the power distributing unit is also used to be greater than in the demand power described
The peak power output of first power output group and be less than or equal to the second power output group peak power output when, lead
Lead to the second power output group and the charging gun.
Further, the power distributing unit is also used to be greater than the second power output group in the demand power
When peak power output, the first power output group and the charging gun is connected, and simultaneously turn on second power output
Group and the charging gun.
Further, the second power output group includes at least one described power module, the power distributing unit
It is also used to be greater than the peak power output of the first power output group in the demand power and is less than or equal to described second
When the peak power output of power output group, at least one power module in the second power output group is connected, and distribute
The output power of each of the conducting power module, so that the power and the demand function of the second power output group output
Rate matching.
Further, the second power output group includes the first power module and the second power module, first function
Rate module and second power module parallel, the power distributing unit are also used to be greater than described first in the demand power
The peak power output of power output group and be less than or equal to the second power output group peak power output when, be connected institute
State at least one power module in the first power module and second power module, and distribute first power module with
The output power of second power module, so that first power module and the superimposed output of the second power module
Power is equal with the demand power.
Further, the power distributing unit includes controller, first switch device and second switch device, the control
Device processed respectively with the first power output group, the second power output group, the first switch device, the second switch device
And the charging gun electrical connection, the first switch device are electrically connected with the first power output group, the second switch
Device is electrically connected with the second power output group, and the controller is used to be less than or equal to described first in the demand power
When the peak power output of power output group, the first switch device closure is controlled, the controller is also used in the need
It asks power to be greater than the peak power output of the first power output group and is less than or equal to the second power output group most
When big output power, the second switch device closure is controlled.
Further, the maximum power bearing value of the first switch device is less than the maximum with the second switch device
Power bearing value.
Further, the power distributing unit passes through the battery management system of the charging gun and the device to be charged
Electrical connection, and pass through the demand power that the controller obtains the device to be charged in real time, the power distributing unit is also used
In after the second power output group and the charging gun is connected, the demand power of the battery management system is obtained in real time,
And when being less than or equal to the peak power output of the first power output group when the demand power, control described first is opened
Device closure is closed, and controls the second switch device and disconnects.
Further, the first switch device include the first relay group, the second switch device include second after
Electric appliance group, and the first relay group is provided with the first different numbers, first relay from the second relay group
Device group includes multipair first relay, and the second relay group includes multipair second relay, each pair of first relay
Be provided with different second numbers from each pair of second relay, the controller be also used to according to the demand power with
The comparison of the peak power output of the first power output group determines first number, and according to first number and institute
It states charging gun and determines second number, to control at least a pair of of relay closure corresponding with second number.
On the other hand, the embodiment of the invention provides a kind of charging methods, are applied to charging system, the charging system packet
Power distributing unit, charging gun and multiple power modules are included, the power module at least forms the first power output group and second
Power output group, the peak power output of the first power output group are less than the maximum work output of the second power output group
Rate, the charging method include:
The power distributing unit obtains the demand power of a device to be charged by the charging gun；
When the demand power is less than or equal to the peak power output of the first power output group, the power point
The first power output group and the charging gun is connected with unit；
When the maximum that the power distributing unit is also used to be greater than in the demand power the first power output group is defeated
Power and when being less than or equal to the peak power output of the second power output group out, described in power distributing unit conducting
Second power output group and the charging gun.
Further, the second power output group includes at least one described power module, described when the power point
It is also used to be greater than the peak power output of the first power output group in the demand power with unit and is less than or equal to institute
When stating the peak power output of the second power output group, the second power output group and described is connected in the power distributing unit
The step of charging gun includes:
When the demand power is greater than the peak power output of the first power output group and is less than or equal to described the
When the peak power output of two power output groups, at least one in the second power output group is connected in the power distributing unit
A power module, and the output power for the power module that each of distributes conducting, so that the second power output group exports
Power and the needed Power Matching About.
Compared with the prior art, the invention has the following advantages:
The present invention provides a kind of charging system and method, which includes power distributing unit, charging gun and more
A power module, wherein power distributing unit is electrically connected with charging gun, for detecting the device to be charged connecting with charging gun
Demand power；Power module at least forms the first power output group and the second power output group, when demand power is less than or waits
When the peak power output of the first power output group, the first power output group and charging gun is connected in power distributing unit；When need
It asks power to be greater than the peak power output of the first power output group and is less than or equal to the maximum work output of the second power output group
When rate, the second power output group and charging gun is connected in power distributing unit.Since power distributing unit provided by the invention can
The first power output group or the second power output group, and the maximum of the first power output group are selectively turned on according to demand power
Output power is not identical as the peak power output of the second power output group, can be carried out according to the demand power of charging equipment
The selection of flexible adaptation, so that peak power output can more meet the demand power of device to be charged, thus will not
Device performance is wasted, not will cause the waste of resource.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the module diagram of the charging system of one embodiment of the present of invention offer.
Fig. 2 shows the module diagrams for the power distributing unit that one embodiment of the present of invention provides.
Fig. 3 shows the submodule schematic diagram of the power distributing unit of one embodiment of the present of invention offer.
Fig. 4 shows the circuit diagram of the charging system of one embodiment of the present of invention offer.
Fig. 5 shows the circuit diagram of the second power output group of one embodiment of the present of invention offer.
Fig. 6 shows the flow diagram of the charging method of one embodiment of the present of invention offer.
Icon: 100- charging system；110- power module；120- power distributing unit；121- controller；122- first is opened
Close device；123- second switch device；The first relay of 124-；The second relay of 125-；126-IGBT；130- charging gun；
140- the first power output group；150- the second power output group.
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.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " connected ", " connection " shall be understood in a broad sense,
It for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to electricity
Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.It ties below
Attached drawing is closed, is elaborated to some embodiments of the present invention.In the absence of conflict, following embodiment and embodiment
In feature can be combined with each other.
Fig. 1 is please referred to, the embodiment of the invention provides a kind of charging systems 100, are applied to charging pile, the charging system
100 include power distributing unit 120, charging gun 130 and multiple power modules 110, wherein power distributing unit 120 and charging
Rifle 130 is electrically connected, and power module 110 at least forms the first power output group 140 and the second power output group 150, the first power
Output group 140 is connect with power supply network with the second power output group 150, and the first power output group 140 and the second power output
Group 150 is electrically connected with power distributing unit 120.
Specifically, in the present embodiment, charging gun 130 is electrically connected with a device to be charged, on the one hand, passes through charging gun
130, which can be implemented as device to be charged, charges, and on the other hand, power distributing unit 120 can be detected by charging gun 130
The demand power of device to be charged.It should be noted that in the present embodiment, device to be charged includes Rechargeable vehicle, of course,
In some other embodiments, device to be charged also may include other devices, such as charging battery jar vehicle, and the present embodiment is to this
It does not do than any restriction.Simultaneously as include in itself in Rechargeable vehicle BMS (BATTERY MANAGEMENT SYSTEM,
Battery management system), which can obtain the information of electric car internal charging battery under current state, i.e., should
Battery management system can obtain the demand power of rechargeable battery.Further, in the present embodiment, power distributing unit 120
It is electrically connected by charging gun 130 with the battery management system in the Rechargeable vehicle, to obtain charging by the battery management system
The demand power of battery.
Meanwhile first power output group 140 peak power output less than the second power output group 150 maximum work output
Rate.For example, the peak power output of the first power output group 140 is 100W, and the maximum work output of the second power output group 150
Rate is 200W.Therefore, after the demand power for obtaining rechargeable battery, power distributing unit 120 can be to demand power and the first function
The peak power output of rate output group 140 is compared, when demand power is less than or equal to the maximum of the first power output group 140
When output power, the first power output group 140 and charging gun 130, power distributing unit 120 can be connected in power distributing unit 120
It is also used to be greater than the peak power output of the first power output group 140 in demand power and is less than or equal to the second power output group
When 150 peak power output, the second power output group 150 and charging gun 130 is connected.Further, when demand power is greater than
When the peak power output of the second power output group 150, power distributing unit 120 can be connected the first power output group 140 and fill
Electric rifle 130, and simultaneously turn on the second power output group 150 and charging gun 130, to utilize the first power output group 140 and the
Two power output groups 150 charge simultaneously for Rechargeable vehicle.
Citing is illustrated below, such as the peak power output of the first power output group 140 is 100W, and the second power
The peak power output of output group 150 is 200W, when the demand power of Rechargeable vehicle is 50W, using the first power output group
140 pairs its be powered, when the demand power of Rechargeable vehicle be 150W when, it is supplied using the second peak power output
Electricity, and when demand power is 250W, it is carried out simultaneously using the first power output group 140 and the second power output group 150
Power supply.If being powered due to directlying adopt the second power output group 150 to Rechargeable vehicle, the second power output group 150
Peak power output is 200W.And the demand power to charge only uses 50W, i.e., during the charging process, there is the power dissipation of 150W, and
And the situation of emergent power module 110 specification surplus, device performance is wasted, while causing the waste of resource.And by dividing
Group carries out the first power output of conducting group 140 of selectivity and the mode of the second power output group 150, can be realized reduction device
The waste of performance, to reduce the waste of resource.
Further, in the present embodiment, the second power output group 150 includes at least one power module 110, power point
It is also used to be greater than the peak power output of the first power output group 140 in demand power with unit 120 and is less than or equal to second
When the peak power output of power output group 150, at least one power module 110 in the second power output group 150 is connected, and
The output power of each power module 110 of conducting is distributed, so that the power and demand power of the output of the second power output group 150
Matching.
Specifically, in the present embodiment, matching refers to that the output power of the second power output group 150 is equal with demand power.
As a kind of implementation of the present embodiment, the second power output group 150 includes only one power module 110, for example, the power
The maximum power of module 110 is 200W, and power distributing unit 120 is greater than the maximum of the first power output group 140 in demand power
When output power, the power module 110 is connected, and distribute the output power of the power module 110, so that power module 110
Output power is equal with demand power.
As another implementation of the present embodiment, the second power output group 150 includes the first power module and second
Power module, wherein the first power module and the second power module parallel, power distributing unit 120 are greater than the in demand power
When the peak power output of one power output group 140, at least one function in the first power module and the second power module is connected
Rate module 110, and the output power of the first power module and the second power module is distributed, so that the first power module and the second function
The superimposed output power of rate module is equal with demand power.I.e. in the present embodiment, pass through the control of power distributing unit 120 the
The output power of one power module and the second power module so that the output power of the first power module and the second power module it
Be equal to demand power.For example, demand power is 180W, then power distributing unit 120 can control the output of the first power module
Power is 100W, and the output power of the second power module is 80W.Alternatively, controlling the first power mould by power distributing unit 120
The output power of one of them of block or the second power module, can meet demand power, for example, when demand power be 100W
When, it is 100W that power distributing unit 120, which can control the output power of the first power module, and controls the second power module and do not lead
It is logical, to achieve the effect that realize output power and needed Power Matching About by the first power module.
Of course, the second power output group 150 may also include more power distribution lists in some other embodiments
Member 120, for example, the second power output group 150 includes that 3 or 4 power modules 110, the present embodiment do not do any limit to this
It is fixed.
Of course, in the disclosure, the first power output group 140 may also comprise one or more power modules 110, in Fig. 1
Embodiment use 1 power module 110, and the peak power output of the power module 110 is less than the second power output group 150
Peak power output.Such as the peak power output of the power module 110 is 30W, the maximum of the second power output group 150 is defeated
Power is 100W out.
Specifically, please see Fig. 2 to Fig. 4, in the present embodiment, power distributing unit 120 includes controller 121 and first
Switching device 122 and second switch device 123, controller 121 respectively with the first power output group 140, the second power output group
150, first switch device 122, second switch device 123 and charging gun 130 are electrically connected, and first switch device 122 and the
The electrical connection of one power output group 140, second switch device 123 are electrically connected with the second power output group 150, and controller 121 is needing
When power being asked to be less than or equal to the peak power output of the first power output group 140, control first switch device 122 is closed, control
Device 121 processed is also used to be greater than the peak power output of the first power output group 140 in demand power and is less than or equal to the second function
When the peak power output of rate output group 150, control second switch device 123 is closed.
It should be noted that in the present embodiment, the maximum power bearing value of first switch device 122 is less than second switch
The maximum power bearing value of device 123.Further, the peak power output of the first power output group 140 is no more than first and opens
The maximum power that device 122 is able to bear is closed, the peak power output of the second power output group 150 is no more than second switch device
The maximum power being able to bear.
On the one hand, by the different switching devices for bearing power capability (i.e. different size), device performance will not be wasted, and
And cost is saved.On the other hand, since switching device includes height specification, using high standard switching device substitute 2 and
The switching device of low specification more than it, it is possible to reduce the quantity of the switching device of low specification, to reduce this power supply system
The volume of system.
Meanwhile in order to accurately control the switching device of needs closure, to charge for rechargeable battery, in the present embodiment,
First switch device 122 and second switch device 123 are numbered.
Specifically, first switch device 122 includes 124 groups of the first relay, second switch device 123 includes the second relay
125 groups of device, and 124 groups of the first relay are provided with the first different numbers, the first relay 124 from 125 groups of the second relay
Group includes multipair first relay 124, and the second 125 groups of relay includes multipair second relay 125, each pair of first relay
124 are provided with different second numbers from each pair of second relay 125, and controller 121 is also used to according to demand power and the
The comparison of the peak power output of one power output group 140 determines the first number, and determines according to the first number with charging gun 130
Second number, to control at least a pair of of relay closure corresponding with the second number.It should be noted that aforementioned first switch device
The maximum power bearing value that the maximum power bearing value of part 122 is less than second switch device 123 refers to every in 124 groups of the first relay
To the maximum power bearing value of the first relay 124 less than 125 groups of the second relay in each pair of second relay 125 maximum work
Rate bearing value.And first the peak power output of power output group 140 be no more than the maximum that is able to bear of first switch device 122
Power refers to that the peak power output of the first power output group 140 is no more than the maximum work that each pair of first relay 124 is able to bear
Rate, the peak power output of the second power output group 150 are no more than the maximum power that second switch device 123 is able to bear and refer to the
The peak power output of two power output groups 150 is no more than the maximum power that each pair of second relay 125 is able to bear.
Also, in the present embodiment, maximum output of the controller 121 according to demand power and the first power output group 140
The comparison of power can determine the first number, that is, determine that using the first power output group 140 or the second power output group 150 be to fill
Electric car power supply.After determining the first number, controller 121 can also determine the second number according to the first number and charging gun 130,
It is closed with controlling first switch device 122 corresponding with the second number or second switch device 123.Due in actual use,
Each charging pile may include multiple charging guns 130, so the charging gun 130 for only needing closed user to use, in view of this,
Controller 121 can determine the second number, according to charging gun 130 also after determining the first number to determine need to be closed first
Switching device 122 or second switch device 123.It is further, in practical applications, more convenient in order to be controlled in charging,
Power distributing unit 120 further includes IGBT126, and IGBT126 be connected on it is more between each power output group and relay group
On a access, and the input of each access is correspondingly connected with an at least power module 110, as shown in figure 5, the second power output group
150 include 2 accesses, and the input of the first access connects 2 power modules 110, and the input of alternate path connects 3 power modules
110, in addition, the first power output group 140 may include 2 accesses, the input of the first access connects 1 power module 110, the
The inputs of two accesses connects 2 power modules 110, and each access is connected an IGBT126, in order to control the logical of the access
Disconnected state, and then control and utilize the power supply situation in the first power output group 140 or the second power output group 150.
For example, the first access when being powered using the second power output group 150, in the second power output group 150
The peak power output of 2 power modules 110 of input connection be 100W, and second in the second power output group 150 is logical
The peak power output of 3 power modules 110 of the input connection on road is 200W, when demand power is 90W, power distribution list
Member 120 can be closed by controlling with the IGBT126 of the first paths connected in series, and controlled and disconnected with the concatenated IGBT126 of alternate path,
To be powered using the power module 110 being connect with the first access.
Of course, in some other embodiments, power distributing unit 120 can also use some other devices,
Such as D.C. contactor and fuse are applied in combination, the present embodiment does not do any restriction to this.
Also, it should be noted that power distributing unit 120 passes through the cell tube of charging gun 130 and device to be charged
After the electrical connection of reason system, the demand power of device to be charged is obtained in real time, and the second power output is being connected in power distributing unit 120
After group 150 and charging gun 130, the demand power of battery management system is obtained in real time, and when demand power is less than the first power
When the peak power output of output group 140, controls the first switch device 122 connecting with the first power output group 140 and be closed, so
The second switch device 123 that control is connect with the second power output group 150 afterwards disconnects, i.e., power distribution list provided in this embodiment
Member 120 can carry out the adjusting that power module 110 exports according to demand power.
Second embodiment
Referring to Fig. 6, being applied to charging system 100, charging system the embodiment of the invention also provides a kind of charging method
100 include power distributing unit 120, charging gun 130 and multiple power modules 110, and power module 110 at least forms the first power
Output group 140 and the second power output group 150, the peak power output of the first power output group 140 is less than the second power output
The peak power output of group 150, since charging method provided in this embodiment and charging system 100 described in first embodiment are right
It answers, therefore no longer the specific embodiment mode of charging method is illustrated.The charging method includes:
Step S101, power distributing unit 120 obtain the demand power of a device to be charged by charging gun 130.
Wherein, it should be noted that the present embodiment is that power distributing unit 120 is obtained wait fill in real time by charging gun 130
The demand power of electric installation.
Step S102, power distributing unit 120 judge whether demand power is defeated less than the maximum of the first power output group 140
Power out, if so, S103 is thened follow the steps, if not, thening follow the steps S104.
The first power output group 140 and charging gun 130 is connected in step S103, power distributing unit 120.
Wherein, it should be noted that in executing this step process, it is defeated that the first power is first connected in power distributing unit 120
140 are organized out, then must keep or control the second power output group 150 and be in close state, that is, are realized and be less than in demand power
In the case where the peak power output of first power output group 140, only the first power output group 140 is connected.
It is also desirable to explanation, as a kind of implementation of the present embodiment, power distributing unit 120 is judging
After peak power output of the demand power less than the first power output group 140, since demand power is in subsequent charging process,
Demand power is always gradually smaller state, and the state of even maintenance charging makes demand power be consistently less than the first function
The peak power output of rate output group 140, therefore judge demand power less than the first power output group in power distributing unit 120
After 140 peak power output, power distributing unit 120 no longer executes other steps, and the first power output group 140 is only connected
With charging gun 130, terminate up to charging.
As another implementation of the present embodiment, power distributing unit 120 in circulation, i.e., is divided always in power
After the first power output group 140 and charging gun 130 is connected with unit 120, power distributing unit 120 can execute step S101 again
With step S102, that is, continue the value for obtaining demand power, and judges demand power whether most less than the first power output group 140
Big output power executes subsequent step according to judging result.
Step S104, power distributing unit 120 judge whether demand power is greater than the maximum defeated of the second power output group 150
Power out, if not, S105 is thened follow the steps, if so, thening follow the steps S106.
Step S105, the second power output group 150 and charging gun 130 is connected in power distributing unit 120, and returns and execute step
Rapid S101.
Wherein, the second power output group 150 includes at least one power module 110, the conducting of power distributing unit 120 second
At least one power module 110 in power output group 150, and the output power of each power module 110 of conducting is distributed, with
The power and needed Power Matching About for exporting the second power output group 150.
Meanwhile during charging, with the continuous progress of charged state, the demand power of Rechargeable vehicle gradually becomes
Small, therefore, in the present invention, power distributing unit 120 need to obtain the demand power of Rechargeable vehicle in real time, meanwhile, and execute step
The deterministic process of rapid S102, when demand power is less than the first power output group 140, power distributing unit 120 can then control with
The first switch device 122 of first power output group 140 connection is closed, and controls the connect with the second power output group 150
Two switching devices 123 disconnect, to be that Rechargeable vehicle charges using the first power output group 140.
Step S106, the first power output group 140 and charging gun is connected in power distributing unit 120, and simultaneously turns on second
Power output group 150 and charging gun, and return to step S101.
Meanwhile during charging, with the continuous progress of charged state, the demand power of Rechargeable vehicle gradually becomes
It is small, therefore, in the present invention, after the first power output group 140, the second power output group 150 and charging gun are connected at the same time, function
Rate allocation unit 120 can also obtain the demand power of Rechargeable vehicle in real time, and be greater than the first power output group 140 in demand power
Peak power output and be less than or equal to the second power output group 150 peak power output when, be connected the second power output
Group 150 and charging gun, and the first power output group 140 and charging gun are closed, while being also used to needing in power distributing unit 120
When power being asked to be less than or equal to the peak power output of the first power output group 140, the first power output group 140 and charging is connected
Rifle, and close the second power output group 150 and charging gun.
In conclusion the charging system includes power distributing unit, fills the present invention provides a kind of charging system and method
Electric rifle and multiple power modules, wherein power distributing unit is electrically connected with charging gun, with for detect connect with charging gun to
The demand power of charging unit；Power module at least forms the first power output group and the second power output group, works as demand power
Less than or equal to the first power output group peak power output when, the first power output group and charging is connected in power distributing unit
Rifle；When demand power is greater than the peak power output of the first power output group and is less than or equal to the maximum of the second power output group
When output power, the second power output group and charging gun is connected in power distributing unit.Due to power distribution list provided by the invention
Member can selectively turn on the first power output group or the second power output group, and the first power output group according to demand power
Peak power output it is not identical as the peak power output of the second power output group, can be according to the demand function of charging equipment
Rate carries out the selection of flexible adaptation, so that peak power output can more meet the demand power of device to be charged, from
Without wasting device performance, the waste of resource not will cause.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (10)
1. a kind of charging system is applied to charging pile, which is characterized in that the charging system includes power distributing unit, charging
Rifle and multiple power modules, the power distributing unit are electrically connected with the charging gun, to connect for detecting with the charging gun
The demand power of the device to be charged connect；The power module at least forms the first power output group and the second power output group,
The peak power output of the first power output group is less than the peak power output of the second power output group, the power
Allocation unit is electrically connected with the first power output group and the second power output group, and the power distributing unit is also used
When being less than or equal to the peak power output of the first power output group in the demand power, first power is connected
Output group and the charging gun, the power distributing unit are also used to be greater than the first power output group in the demand power
Peak power output and when being less than or equal to the peak power output of the second power output group, second power is connected
Output group and the charging gun.
2. charging system as described in claim 1, which is characterized in that the power distributing unit is also used in the demand function
When rate is greater than the peak power output of the second power output group, the first power output group and the charging gun is connected,
And simultaneously turn on the second power output group and the charging gun.
3. charging system as described in claim 1, which is characterized in that the second power output group includes described at least one
Power module, the power distributing unit are also used to be greater than the maximum output of the first power output group in the demand power
Power and when being less than or equal to the peak power output of the second power output group, is connected in the second power output group
At least one power module, and the output power for the power module that each of distributes conducting, so that second power output
The power and the needed Power Matching About of group output.
4. charging system as claimed in claim 3, which is characterized in that the second power output group includes the first power module
With the second power module, first power module and second power module parallel, the power distributing unit are also used to
It is greater than the peak power output of the first power output group and defeated less than or equal to second power in the demand power
When the peak power output organized out, at least one power mould in first power module and second power module is connected
Block, and distribute the output power of first power module Yu second power module so that first power module with
The superimposed output power of second power module is equal with the demand power.
5. charging system as described in claim 1, which is characterized in that the power distributing unit includes controller, first opens
Close device and second switch device, the controller respectively with the first power output group, the second power output group, described the
One switching device, the second switch device and charging gun electrical connection, the first switch device and first function
The electrical connection of rate output group, the second switch device are electrically connected with the second power output group, and the controller is used in institute
When stating peak power output of the demand power less than or equal to the first power output group, controls the first switch device and close
Close, the controller be also used to the demand power be greater than the first power output group peak power output and be less than or
Equal to the second power output group peak power output when, control second switch device closure.
6. charging system as claimed in claim 5, which is characterized in that the maximum power bearing value of the first switch device is small
In the maximum power bearing value with the second switch device.
7. charging system as claimed in claim 5, which is characterized in that the power distributing unit passes through the charging gun and institute
The battery management system electrical connection of device to be charged is stated, and obtains the demand of the device to be charged in real time by the controller
Power, the power distributing unit are also used to after the second power output group and the charging gun is connected, and obtain institute in real time
The demand power of battery management system is stated, and in the maximum for being less than or equal to the first power output group when the demand power
When output power, the first switch device closure is controlled, and control the second switch device and disconnect.
8. charging system as claimed in claim 5, which is characterized in that the first switch device includes the first relay group,
The second switch device includes the second relay group, and the first relay group and the second relay group are provided with not
The first same number, the first relay group includes multipair first relay, and the second relay group includes multipair second
Relay, each pair of first relay are provided with the second different numbers, the control from each pair of second relay
Device is also used to determine described first compared with the peak power output of the first power output group according to the demand power
Number, and second number is determined according to first number and the charging gun, it is corresponding with second number to control
At least a pair of of relay closure.
9. a kind of charging method is applied to charging system, which is characterized in that the charging system includes power distributing unit, fills
Electric rifle and multiple power modules, the power module at least form the first power output group and the second power output group, and described
The peak power output of one power output group is less than the peak power output of the second power output group, the charging method packet
It includes:
The power distributing unit obtains the demand power of a device to be charged by the charging gun；
When the demand power is less than or equal to the peak power output of the first power output group, the power distribution list
The first power output group and the charging gun is connected in member；
When the power distributing unit is also used to be greater than the maximum work output of the first power output group in the demand power
Rate and when being less than or equal to the peak power output of the second power output group, power distributing unit conducting described second
Power output group and the charging gun.
10. charging method as claimed in claim 9, which is characterized in that the second power output group includes at least one institute
Power module is stated, it is described when the power distributing unit is also used to be greater than the first power output group in the demand power
Peak power output and be less than or equal to the second power output group peak power output when, the power distributing unit is led
The step of leading to the second power output group and the charging gun include:
When the demand power is greater than the peak power output of the first power output group and is less than or equal to second function
When the peak power output of rate output group, at least one function in the second power output group is connected in the power distributing unit
Rate module, and the output power for the power module that each of distributes conducting, so that the function of the second power output group output
Rate and the needed Power Matching About.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810994937.3A CN109050322A (en) | 2018-08-29 | 2018-08-29 | A kind of charging system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810994937.3A CN109050322A (en) | 2018-08-29 | 2018-08-29 | A kind of charging system and method |
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| CN109050322A true CN109050322A (en) | 2018-12-21 |
Family
ID=64757702
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| CN201810994937.3A Pending CN109050322A (en) | 2018-08-29 | 2018-08-29 | A kind of charging system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747465A (en) * | 2019-02-13 | 2019-05-14 | 广州东方电科自动化有限公司 | A kind of electric bus rush-harvesting and rush-planting direct-current charging post power intelligent distribution system and method |
| CN111251926A (en) * | 2020-02-05 | 2020-06-09 | 郑州铁路职业技术学院 | New energy vehicle charging system and charging control method |
| WO2022099699A1 (en) * | 2020-11-16 | 2022-05-19 | 杭州铅锂智行科技有限公司 | Charger and charging method thereof |
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| WO2010132495A2 (en) * | 2009-05-15 | 2010-11-18 | Battelle Memorial Institute | Battery charging control methods, electric vehicle charging methods, battery charging apparatuses and rechargeable battery systems |
| CN106981894A (en) * | 2016-12-26 | 2017-07-25 | 浙江万马新能源有限公司 | Electric automobile rush-harvesting and rush-planting charge circuit and its charging module group technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010132495A2 (en) * | 2009-05-15 | 2010-11-18 | Battelle Memorial Institute | Battery charging control methods, electric vehicle charging methods, battery charging apparatuses and rechargeable battery systems |
| CN106981894A (en) * | 2016-12-26 | 2017-07-25 | 浙江万马新能源有限公司 | Electric automobile rush-harvesting and rush-planting charge circuit and its charging module group technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109747465A (en) * | 2019-02-13 | 2019-05-14 | 广州东方电科自动化有限公司 | A kind of electric bus rush-harvesting and rush-planting direct-current charging post power intelligent distribution system and method |
| CN111251926A (en) * | 2020-02-05 | 2020-06-09 | 郑州铁路职业技术学院 | New energy vehicle charging system and charging control method |
| CN111251926B (en) * | 2020-02-05 | 2021-02-23 | 郑州铁路职业技术学院 | New energy vehicle charging system and charging control method |
| WO2022099699A1 (en) * | 2020-11-16 | 2022-05-19 | 杭州铅锂智行科技有限公司 | Charger and charging method thereof |
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Application publication date: 20181221 |