CN110435471A - Power output control system, charge control system and the power output control method of charging pile - Google Patents
Power output control system, charge control system and the power output control method of charging pile Download PDFInfo
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- CN110435471A CN110435471A CN201910659584.6A CN201910659584A CN110435471A CN 110435471 A CN110435471 A CN 110435471A CN 201910659584 A CN201910659584 A CN 201910659584A CN 110435471 A CN110435471 A CN 110435471A
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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
- 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
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for 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
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The present invention relates to a kind of power output control system of charging pile, charge control system and power output control methods, by increasing switch controller and multiple switch group between power controller and electric rifle, each switch in each switching group is electrically connected with the same switch controller, and multiple power output units are communicated to connect with power controller respectively and each power output unit is electrically connected with each switch in the same switching group.Power controller is according to each correspondence switch state for switching the state sent and switch controller feedback, when determining that two information for being directed to the same switch state are inconsistent, it decides that switch is unusual switch channel, unusual switch channel is masked by power controller and is correspondingly connected with the power output unit in unusual switch channel；By increasing setting switch controller and switch between power output unit and charging gun, so as to which power output unit and charging gun physical isolation get up, the safety of charging is increased.
Description
Technical field
The present invention relates to the power output control systems of charging pile field more particularly to a kind of charging pile, charge control system
System and power output control method.
Background technique
With the continuous development of electric car industry, the charging pile product for meeting charging demand for electric vehicles is more and more.
By the charging gun of charging pile being correctly connected on the electric car for needing to charge (" vehicle to be charged " can also be referred to as),
Charging gun is provided power to by the power output unit of charging pile, the charging to electric car is then realized by charging gun
Journey.
The charging voltage as required for different electric cars is often different, and existing charging pile majority can configure
Multiple charging guns, each charging gun have different output voltages, can be simultaneously to more using multiple charging guns to meet
The charging of electric car needs.
But but still there are some problems in the charging pile charging scheme of the existing multiple charging guns of configuration: have existing
In the charging pile charging scheme of multiple charging guns, it would generally be kept apart by high-voltage relay between multiple charging guns on charging pile
Come, can thus exist causes the power output unit of multiple charging guns and charging pile to be connected in simultaneously because of high-voltage relay adhesion
Danger together, and then it is difficult to ensure the realization of safe charging operation.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of power of charging pile for the above-mentioned prior art
Output control system.
Second technical problem to be solved by this invention is to provide a kind of charging of charging pile for the above-mentioned prior art
Control system.
Third technical problem to be solved by this invention is to provide a kind of above-mentioned power output for the above-mentioned prior art
The power output control method of control system.
The present invention solves technical solution used by above-mentioned first technical problem are as follows: the power output of charging pile controls system
System characterized by comprising
Power controller, the power controller are used to communicate to connect with the charge controller of charging pile；
Multiple switch controller, each switch controller are communicated to connect with power controller respectively；
Multiple switch group, each switching group is interior, and there are multiple closures that are able to connect or open disconnection charging gun electricity
The switch of connection status；Switch in each switching group is electrically connected with the same switch controller；Wherein, it is opened positioned at difference
The switch controller that switch in the group of pass is electrically connected is different；
Multiple power output units, each power output unit are communicated to connect with power controller respectively；Each power is defeated
Unit is electrically connected with each switch in the same switching group out；Wherein, the switch in different switching groups is electrically connected
Power output unit it is different.
With improvement, in the power output control system of the charging pile, the power controller and each switch controller
It is connected by CAN bus；Alternatively, the power controller is connect with each power output unit by CAN bus.
The present invention solves technical solution used by above-mentioned second technical problem are as follows: the power with the charging pile is defeated
The charge control system of control system out, includes man-machine interaction unit and at least one can realize with vehicle to be charged and lead to
Believe that the charge controller of connection, man-machine interaction unit and each charge controller communicate to connect, which is characterized in that each charge controller
It is communicated to connect with power controller.
With improvement, in the charge control system, the man-machine interaction unit and charge controller are connected by CAN bus
It connects, each charge controller is connect with power controller by CAN bus.
The present invention solves technical solution used by above-mentioned third technical problem are as follows: the power output controlling party of charging pile
Method, the power output control system for charging pile described in claim 1, which is characterized in that the power output of the charging pile
Control method includes the following steps:
Step 1, in the standby state by the switching in each switching group to off-state and starting be directed to all switches
The state self-test respectively switched in group, and each switch state self-detection result is sent to power controller；
Step 2, detect the presence of power output unit by charging gun treat charging vehicle charging when, power controller
Whether each switch state self-detection result determines corresponding switch in closure on-state based on the received:
When power controller determines corresponding switch in closure on-state, it is transferred to step 3；Otherwise, power control
The switch controller that device is belonged to the switch being in an off state sends closure and goes code, and is transferred to step 4；Wherein, it respectively opens
Oneself state is fed back to power controller in real time by Guan Jun；
Step 3, when switch controller receives the feedback information for being in closure on-state to inductive switch, the switch
Controller feeds back original switch state and has been switched to the feedback information of closure on-state to power controller；Otherwise, it is transferred to
Step 2；
Step 4, switch controller order closure goes code corresponding switching to being closed on-state, and orders
Execution is closed the status information feedback after going code to the switch controller by the switch；
Step 5, the power controller detects that the state of either switch feedback and the corresponding switch of the either switch are controlled
When the switch state that device feedback processed is come is inconsistent, power controller reselects switch and correspondence in closure on-state
It is electrically connected the power output unit of the switch；
Step 6, the power controller judges that the current residual fan-out capability of charging pile is greater than current vehicle to be charged
Demand voltage current parameters when, power output unit of the power controller order through reselecting out in step 5 to
The vehicle output to be charged meets the power of its demand；
Step 7, when the charge requirement of to be charged vehicle of the power controller judgement in charging becomes smaller, the power
The power output unit that control order can satisfy the Vehicular charging demand to be charged continues to execute function to the vehicle to be charged
Rate output services, and other power output units in order power output control system are in non-power output state；
Step 8, when detect occur multiple charging guns respectively correspondingly to external Vehicular charging to be charged when, the power
Control order power output unit is preferentially to charge initiation moment vehicle output power to be charged earlier；
Step 9, when the demand for detecting the vehicle to be charged preferentially to charge becomes smaller, the power controller is defeated by power
Unit is switched to the charge initiation moment close on the latter vehicle to be charged of the vehicle to be charged preferentially to charge, to this out
The latter vehicle output power to be charged.
With improvement, in the power output control method of the charging pile, in the state for needing to adjust either switch, institute
The state that power controller detects the either switch is stated, and detection is made in the movement needed to be implemented to the either switch.
Further, it needs to adjust the either switch to when being closed on-state, be connect for the either switch in closure
The voltage level consistency of logical state switching front and back makes detection judgement: when the either switch is before and after closure on-state switching
Voltage level it is consistent when, described power controller order either switch adjust to closure on-state；Otherwise, it continues to execute
The detection of the voltage level consistency judges；Alternatively,
In the power output control method of the charging pile, when needing to adjust the either switch to off-state, needle
Detection judgement is made to the current flow for flowing through the either switch: when the present current value for flowing through the either switch is less than default electricity
When flow valuve, the power controller sends closure and goes code to corresponding switch controller, and by the switch controller order
The either switch is adjusted to closure on-state；Otherwise, the power controller, which continues to execute, flows through the current of the either switch
The detection of electric current judges.
It improves again, in the power output control method of the charging pile, in the execution state and the switch of either switch
Feedback states it is inconsistent when, then assert that the either switch is unusual switch channel, the power controller masks the exception
Switching channels and the power output unit for connecting the unusual switch channel.
With improvement, in the power output control method of the charging pile, when any power output unit occurs abnormal, institute
It states power controller and masks the switch being connected with the power output unit of the exception, and by power controller according to current
Vehicle to be charged and the current dump power fan-out capability of charging pile redistribute power output unit and switch；Wherein, institute
The re-allocation process that power controller is stated for power output unit and switch includes the following steps a1~step a5:
Step a1, required for the vehicle to be charged that the charge controller that the power controller receives charging pile is sent
Voltage and current；
Step a2, the power controller get maximum output current of the single power output unit under current voltage
Value；Wherein, the nominal operational parameters of all power output units in the power output control system of the charging pile are identical；
Step a3, the power controller incite somebody to action current value and the maximum output current value required for current vehicle to be charged
Between quotient the value that rounds up as the power output unit number magnitude redistributed of needs；
Step a4, the power controller is by the power output unit total quantity in the power output control system of charging pile
With the difference between the power output unit number that is masked by power controller as surplus in the power output control system
It is remaining can distribution power output unit quantitative value；
Step a5, the power controller judge the residue can distribution power output unit quantitative value be greater than the needs
When the power output unit number magnitude redistributed, which will be with institute in remaining assignable power output unit
It states and the power output units of numerical value such as the power output unit number magnitude redistributed and corresponding switch is needed to distribute
External output power；Otherwise, the power controller by it is remaining it is all can distribution power output unit and it is corresponding switch point
With external output power out.
Again with improvement, in the power output control method of the charging pile, which cuts in closure on-state
Change front and back voltage level difference it is small 5% when, then assert the either switch closure on-state switching before and after voltage level
Unanimously.
Compared with the prior art, the advantages of the present invention are as follows:
Firstly, the power output control system of the charging pile in the present invention passes through power controller in charging pile and charging
Increase several switch controllers and multiple switching groups with several switches between the charging gun of stake, in each switching group
Switch is electrically connected with the same switch controller, and is also increased and be provided with multiple power output units, multiple function here
Rate output unit communicates to connect respectively with power controller and each power output unit and respectively opening in the same switching group
Pass is electrically connected.In this way, power controller is according to each pair for switching the status information sent and switch controller feedback
Inductive switch status information, detection determine whether two information for being directed to the same switch state are consistent: once it is inconsistent, it decides that
The switch is unusual switch channel, masks unusual switch channel by power controller and is correspondingly connected with the unusual switch channel
Power output unit；Power controller can also mask abnormal power output unit, and then from remaining power output
The external vehicle to be charged of satisfaction is selected in unit realizes that required amount of power output unit that charges with external output power, meets
Outer charging gun needs the charging of external vehicle to be charged；
By between power output unit and charging gun increase setting one group of switching group, can by power output unit with
Charging gun physical isolation is got up, and safety when charging is enhanced；
When detecting multiple charging guns respectively correspondingly to external Vehicular charging to be charged, power controller can be according to every
The actual demand situation of change of a vehicle to be charged is directed to the power output work of different vehicles to be charged to adjust, and meets and utilizes
One charging pile is completed the charging to multiple vehicles to be charged and is needed；
Secondly, being automatically realized power output unit according to whether power output unit exception occurs by power controller
Switching, meet charging pile external power output work；
In addition, a switching group can be only correspondingly connected with by the way that a power output unit is arranged, so that in charging pile
Each power output unit at most only has an outside power output circuit, allows the power output list for being in use state
Member can only simultaneously connect with a charging gun, namely reach charging pile a power output unit can only and meanwhile with one wait fill
The battery of electric car connects；
Finally, in the charging pile configured with multiple charging guns, realize vehicle to be charged in the state that is electrically charged with
The physical isolation for the power output unit not being electrically connected in charging pile guarantees the physical isolation between vehicle to be charged, guarantees
The safety of charging pile and vehicle to be charged.
Detailed description of the invention
Fig. 1 is the power output control system of charging pile and the connection schematic diagram of charging gun in the embodiment of the present invention one；
Fig. 2 is the power output control method flow diagram for power output control system shown in Fig. 1；
Fig. 3 is re-allocation process of the power controller in the embodiment of the present invention one for power output unit and switch
Flow diagram.
Fig. 4 is the charge control system company with charging gun, vehicle to be charged respectively of charging pile in the embodiment of the present invention two
Connect schematic diagram.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one
As shown in Figure 1, the present embodiment provides a kind of power output control systems of charging pile.Specifically, the power output
Control system includes:
Power controller 1, the power controller 1 are used to communicate to connect with the charge controller of charging pile；
Multiple switch controller 2, each switch controller 2 are communicated to connect with power controller 1 respectively；For example, in this implementation
In example, each switch controller 2 is connect with power controller 1 by CAN bus；
Multiple switch group 3, each switching group 3 is interior, and there are multiple closures that are able to connect or open disconnection charging gun
The switch 31 of 5 status of electrically connecting；Switch 31 in each switching group 3 is electrically connected with the same switch controller；Wherein, position
It is different in the switch controller that the switch in different switching groups is electrically connected；That is, a switch in switching group is once
Closure, then charging gun corresponding to the switch would be at the state that can be charged outward；
Multiple power output units 4, each power output unit 4 are communicated to connect with power controller 1 respectively；Each power
Output unit is electrically connected with each switch in the same switching group；Wherein, the switch in different switching groups is electrically connected
The power output unit connect is different.Specific to the present embodiment, each power output unit 4 is connected with power controller 1 by CAN bus
It connects.
As shown in Fig. 2, the present embodiment also provides a kind of power output control method of charging pile.The power of the charging pile is defeated
Discharge control method is used for the power output control system of above-mentioned charging pile.Specifically, the power output controlling party of the charging pile
Method includes the following steps:
Step 1, in the standby state by the switching in each switching group to off-state and starting be directed to all switches
The state self-test respectively switched in group, and each switch state self-detection result is sent to power controller；
That is, each state for switching can be current to oneself makes detection, it itself is to be in obtain switching
Closure on-state is also open off-state；Each switch can be sent to power for the testing result of itself current state
Controller；
Step 2, detect the presence of power output unit by charging gun treat charging vehicle charging when, power controller
Whether each switch state self-detection result determines corresponding switch in closure on-state based on the received:
When power controller determines corresponding switch in closure on-state, illustrate charging gun corresponding to the switch
Step 3 will be then transferred to external vehicle output power to be charged；Otherwise, power controller is opened to what is be in an off state
It closes belonged to switch controller transmission closure to go code, is transferred to step 4；Wherein, each switch is in real time by oneself state
Feed back to power controller；
Step 3, when switch controller receives the feedback information for being in closure on-state to inductive switch, the switch
Controller feeds back original switch state and has been switched to the feedback information of closure on-state to power controller；Otherwise, it is transferred to
Step 2；
Step 4, switch controller order closure goes code corresponding switching to being closed on-state, and orders
Execution is closed the status information feedback after going code to the switch controller by the switch；So that this can be made to open
Closing controller will appreciate that time of day situation of the switch after executing corresponding instruction；
Step 5, the state and switch controller corresponding to the either switch that power controller detects either switch feedback
When the switch state that feedback is come is inconsistent, illustrate that feedback exception occurs in the time of day about the either switch herein, at this time
Power controller reselects switch and the corresponding power output unit for being electrically connected the switch in closure on-state；
For example, when some switch executes after corresponding to the closure that switch controller is issued and going code, and the switch is anti-
The feedback states of feeding power controller are the state of disconnection, illustrate that switch has tripping abnormal；When switch executes disconnection movement
When, feedback is closed state, illustrates that switch is adhered exception；
Step 6, power controller judges that the current residual fan-out capability of charging pile is greater than the need of current vehicle to be charged
When seeking voltage and current parameter, power output unit of the power controller order through reselecting out in step 5 is to be charged to this
Vehicle exports the power for meeting its demand；
Step 7, when the charge requirement of to be charged vehicle of the power controller judgement in charging becomes smaller, i.e., in charging
In the required voltage value of the vehicle to be charged remain unchanged, and when its required current value becomes smaller, the power controller
The power output unit that order can satisfy the Vehicular charging demand to be charged continues to execute power output to the vehicle to be charged
Work, and other power output units in order power output control system are in non-power output state；
Step 8, when detect occur multiple charging guns respectively correspondingly to external Vehicular charging to be charged when, power control
Device order power output unit is preferentially to charge initiation moment vehicle output power to be charged earlier；
For example, there are three vehicles to be charged, and the same charging pile to be needed to charge respectively to it, one of those vehicle to be charged
Starting charging moment be 09:00, the starting charging moment of another vehicle to be charged is 09:13, the last one is to be charged
The starting charging moment of vehicle is 09:20；Then, in these three vehicles to be charged, power controller can order power output
Unit preferentially gives the Vehicular charging to be charged that starting charging moment is 09:00；
Step 9, when the demand for detecting the vehicle to be charged preferentially to charge becomes smaller, power controller is by power output list
Member is switched to the charge initiation moment close on the latter vehicle to be charged of the vehicle to be charged preferentially to charge, with latter to this
A vehicle output power to be charged.That is, becoming smaller in starting charging moment for the demand of this vehicle to be charged of 09:00
When, it is that (this is to be charged on the vehicle to be charged of 09:13 that power output unit is just switched to starting charging moment by power controller
Vehicle is disposed immediately in after the Startup time of vehicle to be charged that starting charging moment is 09:00), the starting is filled with realizing
The electric moment is the Vehicular charging to be charged of 09:13.
Certainly, for the power output control method of the present embodiment charging pile, in the state for needing to adjust either switch,
Power controller detects the state of the either switch, and detection is made in the movement needed to be implemented to the either switch.Specifically, example
Such as, it needs to adjust the either switch to when being closed on-state, power controller can be connected for the either switch in closure
The voltage level consistency of state switching front and back makes detection judgement: when the either switch is before and after closure on-state switching
When voltage level is consistent, when such as two voltage level differences of switching front and back are less than 5%, it are considered as the either switch and connect in closure
The voltage level of logical state switching front and back is consistent, and the power controller order either switch is adjusted to closure on-state；Otherwise,
Continue to execute the detection judgement of the voltage level consistency.
In addition, when needing to adjust the either switch to off-state, for the current flow for flowing through the either switch
Make detection judgement: when the present current value for flowing through the either switch is less than pre-set current value, power controller sends closure
It goes code to corresponding switch controller, and the either switch is adjusted to closure on-state by the switch controller order；
Otherwise, the power controller continues to execute the detection judgement for flowing through the current flow of the either switch.
In the power output control process for charging pile, once the execution state for either switch occur feeds back shape with it
When state is inconsistent, then assert the either switch be unusual switch channel, power controller mask the unusual switch channel and
Connect the power output unit in the unusual switch channel, thus avoid charging pile unusual switch channel and corresponding power output
Cell operation, it is ensured that charging pile exports the normal power of external vehicle to be charged.
Certainly, in the practical charging process of charging pile, especially during power output, if there is any power
When output unit occurs abnormal, the power controller of charging pile is masked to be opened with what the power output unit of the exception was connected
It closes, and is redistributed by power controller according to the current vehicle to be charged dump power fan-out capability current with charging pile
Power output unit and switch.Specifically, shown in Figure 3, power controller is for power output unit and switch herein
Re-allocation process includes the following steps a1~step a5:
Step a1, voltage required for the vehicle to be charged that the charge controller that power controller receives charging pile is sent
And electric current；Where it is assumed that required voltage and current is respectively correspondingly labeled as U and I when a Vehicular charging to be charged；
Step a2, power controller get maximum output current value of the single power output unit under current voltage；
Wherein, the nominal operational parameters of all power output units in the power output control system of charging pile are identical；If working as
In preceding charging pile, for tool there are three power output unit, the current voltage of charging pile during the work time is labeled as U1, any
Maximum output current value corresponding under voltage U1 is labeled as Imax to a power output unit in this prior；
Step a3, power controller are incited somebody to action required for current vehicle to be charged between current value and the maximum output current value
The power output unit number magnitude that the value that rounds up of quotient is redistributed as needs；
Specifically, it is assumed that the power output unit number magnitude for needing to redistribute is N0；In step a3, currently wait fill
Quotient I/Imax's rounds up between the required current value I of electric car and the maximum output current value Imax of power output unit
Value N0(wherein,) as the power output unit number magnitude for needing to redistribute；Wherein, Expression pair
Numerical value I/Imax rounds up；
Step a4, power controller is by the power output unit total quantity and quilt in the power output control system of charging pile
The difference between power output unit number that power controller masks can as the residue in the power output control system
Distribution power output unit quantitative value；
Such as power output unit total quantity original in the power output control system of charging pile is N, is then passed through
The shielding processing of power controller has M power output unit to be masked by the power controller, then by difference (N- at this time
It M) just can distribution power output unit quantitative value as the residue in the power output control system；That is, this (N-M) is a
Remaining power output unit can start according to the distribution of power controller, with external output power；
Step a5, power controller judge the residue can distribution power output unit quantitative value be greater than and described need to divide again
When the power output unit number magnitude matched, illustrate that the current residual power output element number in charging pile is sufficient for outside
The charging of vehicle to be charged needs, the power controller at this time in remaining assignable power output unit will with need weight
The power output unit of the numerical value such as newly assigned power output unit number magnitude and corresponding switch distribute external output
Power；Otherwise, illustrate that the dump power output unit quantity in charging pile is still difficult to meet filling for external vehicle to be charged
Electricity need, the power controller by it is remaining it is all can distribution power output unit and it is corresponding switch distribute externally it is defeated
Power out.
That is, if (N-M) > N0When, the power controller is just in remaining assignable (N-M) a power output list
The power output unit number magnitude N that will be redistributed with needs in member0The power output unit and corresponding switch of equal numerical value
External output power is distributed, i.e. power controller selects N in remaining assignable (N-M) a power output unit0It is a
Power output unit and corresponding switch realize external transmission power to distribute.
Embodiment two
Shown in Figure 4, the present embodiment provides a kind of chargings with power output control system described in embodiment one
Control system.Specifically, the charge control system, includes man-machine interaction unit 6 and at least one can be with vehicle to be charged
8 realize that the charge controller 7 of communication connection, man-machine interaction unit 6 and each charge controller 7 communicate to connect, which is characterized in that
Each charge controller 7 is communicated to connect with power controller 1.Wherein, the man-machine interaction unit 6 and charge controller in the present embodiment
7 are connected by CAN bus, and each charge controller 7 is connect with power controller 1 by CAN bus.Operator can be by right
Then the operation of man-machine interaction unit 6 is gone again with exporting corresponding instruction to corresponding charge controller by the charge controller
Adjustment controls the work of corresponding power controller, reaches the charge control of the vehicle to be charged 8 outside for charging pile.
Claims (10)
1. the power output control system of charging pile characterized by comprising
Power controller (1), the power controller (1) are used to communicate to connect with the charge controller of charging pile；
Multiple switch controller (2), each switch controller (2) communicate to connect with power controller (1) respectively；
Multiple switch group (3), each switching group (3) is interior, and there are multiple closures that are able to connect or open disconnection charging gun
(5) switch (31) of status of electrically connecting；Switch (31) in each switching group (3) is electrically connected with the same switch controller
It connects；Wherein, the switch controller that the switch in different switching groups is electrically connected is different；
Multiple power output units (4), each power output unit (4) communicate to connect with power controller (1) respectively；Each function
Rate output unit is electrically connected with each switch in the same switching group；Wherein, the switch institute electricity in different switching groups
The power output unit of connection is different.
2. the power output control system of charging pile according to claim 1, which is characterized in that the power controller
(1) it is connect with each switch controller (2) by CAN bus；Alternatively, the power controller (1) and each power output unit (4)
It is connected by CAN bus.
3. the charge control system of the power output control system with charging pile as claimed in claim 1 or 2, includes man-machine friendship
Mutual unit (6) and at least one charge controller (7) that can be communicated to connect with vehicle to be charged (8) realization, human-computer interaction
Unit (6) and each charge controller (7) communicate to connect, which is characterized in that each charge controller (7) and power controller (1) are logical
Letter connection.
4. charge control system according to claim 3, which is characterized in that the man-machine interaction unit (6) and charging are controlled
Device (7) processed is connected by CAN bus, and each charge controller (7) is connect with power controller (1) by CAN bus.
5. the power output control method of charging pile, special for the power output control system of charging pile described in claim 1
Sign is that the power output control method of the charging pile includes the following steps:
Step 1, in the standby state by the switching in each switching group to off-state and starting is in all switching groups
The state self-test respectively switched, and each switch state self-detection result is sent to power controller；
Step 2, detect the presence of power output unit by charging gun treat charging vehicle charging when, power controller according to
Whether received each switch state self-detection result determines corresponding switch in closure on-state:
When power controller determines corresponding switch in closure on-state, it is transferred to step 3；Otherwise, power controller to
The switch controller that the switch being in an off state is belonged to sends closure and goes code, and is transferred to step 4；Wherein, each switch is equal
Oneself state is fed back into power controller in real time；
Step 3, when switch controller receives the feedback information for being in closure on-state to inductive switch, the switch control
Device feeds back original switch state and has been switched to the feedback information of closure on-state to power controller；Otherwise, it is transferred to step
2；
Step 4, switch controller order closure goes code corresponding switching to being closed on-state, and this is ordered to open
The status information feedback after execution closure is gone code is closed to the switch controller；
Step 5, the state and switch controller corresponding to the either switch that the power controller detects either switch feedback
When the switch state that feedback is come is inconsistent, power controller is reselected to be electrically connected in the switch and correspondence for being closed on-state
Connect the power output unit of the switch；
Step 6, the power controller judges that the current residual fan-out capability of charging pile is greater than the need of current vehicle to be charged
When seeking voltage and current parameter, power output unit of the power controller order through reselecting out in step 5 is waited for this
Charging vehicle exports the power for meeting its demand；
Step 7, when the charge requirement of to be charged vehicle of the power controller judgement in charging becomes smaller, the power control
The power output unit that device order can satisfy the Vehicular charging demand to be charged continues defeated to the vehicle execution power to be charged
It works out, and other power output units in order power output control system are in non-power output state；
Step 8, when detect occur multiple charging guns respectively correspondingly to external Vehicular charging to be charged when, the power control
Device order power output unit is preferentially to charge initiation moment vehicle output power to be charged earlier；
Step 9, when the demand for detecting the vehicle to be charged preferentially to charge becomes smaller, the power controller is by power output list
Member is switched to the charge initiation moment close on the latter vehicle to be charged of the vehicle to be charged preferentially to charge, with latter to this
A vehicle output power to be charged.
6. the power output control method of charging pile according to claim 5, which is characterized in that needing to adjust any open
When the state of pass, the power controller detects the state of the either switch, and the movement needed to be implemented to the either switch is done
It detects out.
7. the power output control method of charging pile according to claim 6, which is characterized in that need the either switch
It adjusts to when being closed on-state, is made for voltage level consistency of the either switch before and after closure on-state switching
Detection judgement: when the either switch is when the voltage level being closed before and after on-state switching is consistent, the power controller is ordered
The either switch is enabled to adjust to closure on-state；Otherwise, the detection judgement of the voltage level consistency is continued to execute；With
And when needing to adjust the either switch to off-state, detection judgement is made for the current flow for flowing through the either switch:
When the present current value for flowing through the either switch is less than pre-set current value, the power controller send closure go code to
Corresponding switch controller, and the either switch is adjusted to closure on-state by the switch controller order；Otherwise, the function
Rate controller continues to execute the detection judgement for flowing through the current flow of the either switch.
8. the power output control method of charging pile according to claim 7, which is characterized in that in the execution of either switch
When the feedback states of state and the switch are inconsistent, then assert that the either switch is unusual switch channel, the power controller
It masks the unusual switch channel and connects the power output unit in the unusual switch channel.
9. the power output control method of charging pile according to claim 7, which is characterized in that any power output unit
When occurring abnormal, the power controller masks the switch being connected with the power output unit of the exception, and by power
Controller redistributes power output unit according to current vehicle to be charged and the current dump power fan-out capability of charging pile
And switch；Wherein, the power controller includes the following steps a1 for the re-allocation process of power output unit and switch
~step a5:
Step a1, voltage required for the vehicle to be charged that the charge controller that the power controller receives charging pile is sent
And electric current；
Step a2, the power controller get maximum output current value of the single power output unit under current voltage；
Wherein, the nominal operational parameters of all power output units in the power output control system of the charging pile are identical；
Step a3, the power controller are incited somebody to action required for current vehicle to be charged between current value and the maximum output current value
The power output unit number magnitude that the value that rounds up of quotient is redistributed as needs；
Step a4, the power controller is by the power output unit total quantity and quilt in the power output control system of charging pile
The difference between power output unit number that power controller masks can as the residue in the power output control system
Distribution power output unit quantitative value；
Step a5, the power controller judge the residue can distribution power output unit quantitative value be greater than it is described needs again
When the power output unit number magnitude of distribution, which will be with the need in remaining assignable power output unit
The power output unit of the numerical value such as the power output unit number magnitude to be redistributed and corresponding switch distribute externally
Output power；Otherwise, the power controller by it is remaining it is all can distribution power output unit and it is corresponding switch distribute
Carry out external output power.
10. the power output control method of charging pile according to claim 7, which is characterized in that the either switch is closing
Close on-state switching front and back voltage level difference it is small 5% when, then assert the either switch closure on-state switching before
Voltage level afterwards is consistent.
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| CN110435471B (en) | 2023-03-03 |
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