CN109698536B - Charging system and method for managing one or more charging groups - Google Patents
Charging system and method for managing one or more charging groups Download PDFInfo
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- CN109698536B CN109698536B CN201910090984.XA CN201910090984A CN109698536B CN 109698536 B CN109698536 B CN 109698536B CN 201910090984 A CN201910090984 A CN 201910090984A CN 109698536 B CN109698536 B CN 109698536B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004146 energy storage Methods 0.000 claims abstract description 123
- 238000005457 optimization Methods 0.000 claims description 7
- 210000000352 storage cell Anatomy 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- H02J7/0027—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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Abstract
The present invention relates to new energy vehicle technology, and more particularly, to a charging system and a method for managing one or more charging groups. According to an aspect of the present invention, there is provided a charging system including: a server; one or more charging groups, each comprising: one or more movable energy storage devices; a local controller communicatively coupled to the server and configured to report a status of the portable energy storage device to the server and to operate the portable energy storage device in one of a plurality of operating modes based on the server's scheduling commands, wherein the server is configured to determine the operating mode for the portable energy storage devices within each charging group individually based on the charging requirements and the status of the portable energy storage devices.
Description
Technical Field
The present invention relates to new energy vehicle technology, and more particularly, to a charging system and a method for managing one or more charging groups.
Background
In order to greatly reduce the carbon dioxide emission of automobiles, the automobile industry is investing a large amount of manpower and material resources to develop new automobiles using electricity as a power source, such as hybrid electric vehicles and pure electric vehicles. The pure electric vehicle is a vehicle which takes a vehicle-mounted battery as a power source and drives wheels to run by using a motor, and meets various requirements of road traffic and safety regulations. Because the influence on the environment is smaller than that of the traditional automobile, the prospect is widely seen.
However, the popularization of the pure electric vehicle market has many difficulties. For example, energy replenishment of power batteries is a significant problem. In particular, in a new type of automobile, a battery is used to store electric energy, and in view of safety, cost, and service life, the battery energy density of the electric automobile currently developed is not high, which limits its cruising distance after each charge.
On the other hand, however, the idle rate of the charging facility is high, which results in an excessively high charging operation cost. In addition, the phenomenon that the parking spaces of the charging piles are crowded and occupied by fuel vehicles exists in a plurality of commercial parking lots at present, and the vacancy rate of charging facilities is further worsened. Furthermore, many commercial sites also have insufficient power capacity as the demand for charging increases.
Disclosure of Invention
One of the objects of the present invention is to provide a charging system and a method for managing one or more charging groups, which can improve the utilization efficiency of charging resources.
According to an aspect of the present invention, there is provided a charging system comprising:
a server;
one or more charging groups, each comprising:
one or more of the movable energy storage devices,
a local controller communicatively coupled to the server and configured to report a status of the portable energy storage device to the server and to operate the portable energy storage device in one of a plurality of operating modes based on a scheduling command of the server,
wherein the server is configured to determine the operation mode for the portable energy storage devices within each charging group individually based on the charging demand and the state of the portable energy storage devices.
Optionally, in the charging system, each of the charging groups corresponds to a specific geographic area, and the server and the local controller communicate via a wireless network.
Optionally, in the charging system, each of the movable energy storage devices includes a charging port, an energy storage unit connected to the charging port, and an intelligent self-locking device connected to the energy storage unit, where the intelligent self-locking device is configured to connect or disconnect the energy storage unit to or from a power supply grid under the control of the local controller.
Optionally, in the charging system, the operation mode includes a self-service power-up mode, in which the server is configured to send a scheduling command to the local controller to disconnect the energy storage unit of the specified portable energy storage device from the power supply grid, and send navigation information to the user to the specified portable energy storage device.
Optionally, in the charging system described above, the operating mode comprises a passenger-assisted power mode in which the server is configured to send a dispatch command to the local controller to disconnect the energy storage unit of the designated removable energy storage device from the power supply grid, and to send navigation information to the designated removable energy storage device or to an operator to reach the user vehicle.
Optionally, in the charging system, the operation mode includes a reserved charging mode, and in this mode, the server is configured to send a scheduling command to the local controller to disconnect the energy storage unit of the specified portable energy storage device from the power supply grid within a set time period.
Optionally, in the charging system, the server is configured to determine the operation mode based on the charging requirement and the state of the movable energy storage device, and further based on the grid power supply environment.
Optionally, in the charging system, the operation mode includes an idle energy storage mode, and in this mode, the server is configured to send a scheduling command to the local controller to connect the energy storage unit of the specified movable energy storage device to the power supply grid within a set time period.
Optionally, in the charging system described above, the operating mode comprises a power capacity optimization mode in which the server is configured to send scheduling commands to the local controller to connect the energy storage units of the designated portable energy storage device to the power supply grid for a set period of time and to draw power from the power supply grid at a set power.
According to yet another aspect of the present invention, there is provided a method for managing one or more charging groups, wherein each charging group comprises a movable energy storage device and a local controller, the method comprising the steps of:
receiving a charging service request from user equipment and the state of the movable energy storage device reported by the local controller;
determining an operating mode for the portable energy storage devices within each charging group individually based on the charging demand and the state of the portable energy storage devices; and
and sending a scheduling command to the local controller to operate the removable energy storage device in one of the plurality of operating modes through the local controller.
According to one or more embodiments of the present invention, by introducing mobility to the charging resources, the utilization efficiency of the charging facility can be increased, thereby satisfying the increasing demand for charging. In addition, the schedulability of the charging resources further improves the charging efficiency and economy.
Drawings
The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the following description of the various aspects of the invention taken in conjunction with the accompanying drawings, in which like or similar elements are represented by like reference numerals. The drawings comprise:
fig. 1 is a schematic block diagram of a charging system according to an embodiment of the present invention.
FIG. 2 is a schematic block diagram of a removable energy storage device that may be used with the embodiment shown in FIG. 1.
Fig. 3 is a flow diagram of a method for managing one or more charging groups, in accordance with another embodiment of the present invention.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. This invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. The embodiments described above are intended to provide a full and complete disclosure of the present invention to more fully convey the scope of the invention to those skilled in the art.
In the present specification, words such as "comprise" and "comprises" mean that, in addition to elements and steps directly and unequivocally stated in the specification and claims, the technical solution of the present invention does not exclude other elements and steps not directly or unequivocally stated.
Terms such as "first" and "second" do not denote an order of the elements in time, space, size, etc., but rather are used to distinguish one element from another.
According to one aspect of the invention, the charging system adopts a resource scheduling and execution separated architecture, wherein charging resources are regionalized (each charging group comprises one or more movable energy storage devices corresponding to one region) and can be uniformly managed by a cloud end, and for each charging group, a corresponding local controller is arranged to control the operation of the movable energy storage devices in the group.
According to another aspect of the invention, the movable energy storage device is a movable device which can charge the electric vehicle by using an energy storage unit (such as a battery, a super capacitor and the like) of the movable energy storage device; on the other hand, the onboard energy storage unit may draw energy from the power supply grid. Optionally, the self-contained energy storage unit is replaceable to further increase the efficiency and flexibility of charging. By arranging the charging and energy storage occasions, the use efficiency of charging resources can be optimized, and the capacity of meeting the charging requirement can be improved.
By introducing mobility to the charging resources, the utilization efficiency of the charging facility can be improved, thereby satisfying the increasing demand for charging. In addition, the schedulability of the charging resources further improves the charging efficiency and economy.
Fig. 1 is a schematic block diagram of a charging system according to an embodiment of the present invention.
As shown in fig. 1, the charging system 10 includes a server 110 and a plurality of charging groups 120. Each charging group 120 includes one or more portable energy storage devices 121 and a local controller 122. Optionally, each charging group corresponds to a particular geographic area (e.g., a parking lot, a neighborhood, or a residential community, etc.), and the server 110 is communicatively coupled with the local controller 122 (e.g., via a wireless network such as a mobile communication network).
Alternatively, the server 110 may be a cloud-side controller configured to receive a charging request from a user (e.g., via a wireless network) and obtain the states of the movable energy storage devices from the local controller, generate a scheduling command of charging resources according to the charging request of the user and the states of the movable energy storage devices in each charging group, and issue the scheduling command to the local controller to perform a scheduling operation, so as to improve the utilization rate of the charging facility while satisfying the charging requirement. Optionally, the state of the movable energy storage device includes, but is not limited to, the current position, the current operating mode, the SOH of the battery with the energy storage unit, the temperature of the battery, and the like. Optionally, the generation of the scheduling command is further based on the grid power supply environment (e.g., grid peak-to-valley electricity rates, power capacity of the area where the charging group is located, etc.).
Accordingly, local controller 122 is configured to report to remote server 110 the status of the removable energy storage devices 121 within its charging group and to operate the removable energy storage devices in one of a plurality of operating modes based on the server's scheduling commands. Optionally, the operation modes include a self-service power-on mode, a passenger power-on mode, an idle energy storage mode, a reserved charging mode, and a power capacity optimization mode, which will be further described below.
FIG. 2 is a schematic block diagram of a removable energy storage device that may be used with the embodiment shown in FIG. 1.
The portable energy storage device 121 shown in fig. 2 includes a charging port 1211 (e.g., a charging gun) for providing an interface to the electric vehicle 20, an energy storage unit 1212 (e.g., a battery or a super capacitor) connected to the charging port 1211, and an intelligent self-locking device 1213 connected to the energy storage unit 1212. Referring to fig. 2, the smart locking device 1213 is communicatively coupled to the local controller 122 and configured to connect or disconnect the energy storage unit 1212 to the power supply grid 30 under the control of the local controller 122.
The mode of operation of the portable energy storage device is described below in connection with the charging system shown in fig. 1 and 2.
1. Self-service power-up mode
In the self-service power-up mode, the server 110 sends a scheduling command to the local controller 122 instructing the latter to disconnect the energy storage unit 1212 of the designated removable energy storage device 121 from the power supply grid 30, e.g. the local controller 122 may instruct the smart locking device 1213 to disconnect from the power supply grid 30. Optionally, the server 110 also sends the user navigation information to the designated portable energy storage device.
2. Power-on mode for passenger
In the valet power-on mode, the server 110 sends a scheduling command to the local controller 122 instructing the latter to disconnect the energy storage unit 1212 of the designated removable energy storage device 121 from the power supply grid 30, e.g., the local controller 122 may instruct the smart locking device 1213 to disconnect from the power supply grid 30. Optionally, server 110 also sends navigation information to the designated removable energy storage device or operator to the user's vehicle.
3. Energy storage mode at idle
In the idle energy storage mode, the server 110 sends a scheduling command to the local controller 122 instructing the latter to connect the energy storage unit 1212 of the designated removable energy storage device 121 to the power grid 30 within a set period of time, for example, the local controller 122 may instruct the smart self-locking device 1213 to connect to the power grid 30. The set time period may be, for example, a period in which the electricity price is at a low valley and there is no demand for charging.
4. Reservation charging mode
In the scheduled charging mode, the server 110 sends a scheduling command to the local controller 122 instructing the latter to disconnect the energy storage unit 1212 of the designated removable energy storage device 121 from the power supply grid 30 within a set period of time from the power supply grid 30, for example, the local controller 122 may instruct the smart locking device 1213 to disconnect from the power supply grid 30. Alternatively, after a set period of time, server 110 may determine a new operating mode for portable energy storage device 121, or portable energy storage device 121 may automatically enter a default operating mode.
5. Power capacity optimization mode
In the power capacity optimization mode, the server 110 sends a scheduling command to the local controller 122 instructing the latter to connect the energy storage unit 1212 of the designated removable energy storage device 121 to the power supply grid for a set period of time and to draw power from the power supply grid at a set power. For example, when the grid capacity is insufficient, the server 110 issues a power limit instruction to the local controller 122 to instruct the local controller to limit the charging power of the movable energy storage device 121 until the power demand of the area where the charging group is located is smaller than the available grid capacity.
Fig. 3 is a flow diagram of a method for managing one or more charging groups according to another embodiment of the invention. For example, the following description is made with reference to the charging system shown in fig. 1 and 2, but it should be noted that the method flow of the present embodiment is not limited to the charging system of a specific structure.
As shown in fig. 3, in step 310, the server 110 receives the status of the removable energy storage device reported by the local controller 122. Optionally, the local controller may report the states of all or part of the movable energy storage devices in the corresponding charging group periodically or aperiodically.
Then, in step 320, the server receives a charging service request from a user device (e.g., a mobile phone, a tablet computer, a notebook computer, etc.). Alternatively, the charging service request may include a charging time (a reserved time or a current time), a charging place, and a user ID.
Next, at step 330, the server 110 determines a charging group that matches the charging location. Then, in step 340, the server 110 determines whether the charging requirement can be met according to the charging time, the amount of electricity to be charged, the state of the matched movable energy storage device in the charging group, and the like, and if so, the step 350 is executed, otherwise, the step 360 is executed.
At step 350, the server 110 generates a scheduling command, wherein the scheduling command includes an operating mode (e.g., self-service power-on mode, valet power-on mode, reserve charge mode, idle power storage mode, power capacity optimization mode, etc., as described above) determined individually for the removable energy storage devices within each charging group. Optionally, factors of the grid power supply environment may also be taken into account when generating the scheduling command.
Proceeding to step 370, the server 110 sends a scheduling command to the corresponding local controller 122 to operate the removable energy storage device in one of a plurality of operating modes via the local controller.
In another branch 360 of step 340, the server 110 will return a message to the user device that the charging requirement cannot be met.
One or more embodiments of the invention have many advantages, including, for example:
the connection state of the movable energy storage device and the power grid is controlled through the intelligent self-locking device, so that manual operation is omitted. Moreover, the mobile charging mode can bring higher single service income, and the problem of insufficient economy of the traditional energy storage system is solved. In addition, by utilizing the power-on mode of the self-service mode, the space of the parking lot can be fully utilized, and the use efficiency is improved. Also, the removable energy storage device can be quickly transferred to the next service scenario, thus avoiding a large fixed cost investment.
The embodiments and examples set forth herein are presented to best explain the embodiments in accordance with the present technology and its particular application and to thereby enable those skilled in the art to make and utilize the invention. However, those skilled in the art will recognize that the foregoing description and examples have been presented for the purpose of illustration and example only. The description as set forth is not intended to cover all aspects of the invention or to limit the invention to the precise form disclosed.
In view of the foregoing, the scope of the present disclosure is to be determined by the following claims.
Claims (13)
1. A charging system, comprising:
a server;
one or more charging groups, each comprising:
one or more of the movable energy storage devices,
a local controller communicatively coupled to the server and configured to report a status of the portable energy storage device to the server and to operate the portable energy storage device in one of a plurality of operating modes based on a scheduling command of the server,
wherein the server is configured to determine an operating mode for the portable energy storage devices within each charging group individually based on the charging demand and the status of the portable energy storage devices,
wherein each of the charging groups corresponds to a particular geographic area, and the server communicates with a local controller over a wireless network,
wherein the operating mode comprises a self-service power-up mode in which the server is configured to send a dispatch command to the local controller to disconnect the energy storage cells of the designated portable energy storage device from the power supply grid, and to send navigation information to the user to the designated portable energy storage device.
2. The charging system according to claim 1, wherein each of the movable energy storage devices comprises a charging port, an energy storage unit connected to the charging port, and an intelligent self-locking device connected to the energy storage unit, wherein the intelligent self-locking device is configured to connect or disconnect the energy storage unit to or from a power supply grid under the control of the local controller.
3. The charging system of claim 1, wherein the operating mode comprises a valet power-on mode in which the server is configured to send a dispatch command to the local controller to disconnect the energy storage unit of the designated removable energy storage device from the power supply grid, and to send navigation information to the designated removable energy storage device or an operator to the user vehicle.
4. The charging system of claim 1, wherein the operating mode comprises a scheduled charging mode in which the server is configured to send a scheduling command to the local controller to disconnect the energy storage unit of the designated removable energy storage device from the power supply grid for a set period of time.
5. The charging system of claim 1, wherein the server is configured to further base the grid-powered environment when determining the operating mode based on the charging requirements and the state of the movable energy storage device.
6. The charging system of claim 5, wherein the operating mode comprises an idle energy storage mode in which the server is configured to send scheduling commands to the local controller to connect the energy storage units of the designated removable energy storage device to the power supply grid for a set period of time.
7. The charging system of claim 5, wherein the operating mode comprises a power capacity optimization mode in which the server is configured to send scheduling commands to the local controller to connect the energy storage units of the designated removable energy storage device to the power supply grid for a set period of time and draw power from the power supply grid at a set power.
8. A method for managing one or more charging groups, wherein each charging group includes a removable energy storage device and a local controller communicatively coupled to a server, the method comprising the steps of:
receiving a charging service request from user equipment and the state of the movable energy storage device reported by the local controller;
determining an operating mode for the portable energy storage devices within each charging group individually based on the charging demand and the state of the portable energy storage devices; and
sending a scheduling command to the local controller to cause the removable energy storage device to operate in one of a plurality of operating modes via the local controller,
wherein each of the charging groups corresponds to a particular geographic area, and the server and local controller communicate over a wireless network,
the operation mode comprises a self-service power-up mode, and in the self-service power-up mode, the server sends a scheduling command to the local controller to disconnect the energy storage unit of the specified movable energy storage device from the power supply grid and sends navigation information reaching the specified movable energy storage device to a user.
9. The method of claim 8, wherein the operating mode comprises a valet power-on mode in which the server is configured to send a dispatch command to the local controller to disconnect the energy storage unit of the designated removable energy storage device from the power supply grid, and to send navigation information to the designated removable energy storage device to the user vehicle.
10. The method of claim 8, wherein the operating mode comprises a reserve charge mode in which the server is configured to send a dispatch command to the local controller to disconnect the energy storage unit of the designated portable energy storage device from the power supply grid for a set period of time.
11. The method of claim 8, wherein the operating mode is determined based on a charging requirement and a state of the movable energy storage device and further based on a grid-powered environment.
12. The method of claim 11, wherein the operating mode comprises an idle energy storage mode in which the server is configured to send scheduling commands to the local controller to connect the energy storage units of the designated removable energy storage device to the power supply grid for a set period of time.
13. The method of claim 11, wherein the operating mode comprises a power capacity optimization mode in which the server is configured to send scheduling commands to the local controller to connect the energy storage units of the designated removable energy storage device to the power supply grid for a set period of time and to draw power from the power supply grid at a set power.
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| CN104836299B (en) * | 2015-05-19 | 2018-03-02 | 南京中远通通信技术有限公司 | A kind of accumulation energy type environmental protection power plant systems |
| CN205004760U (en) * | 2015-05-28 | 2016-01-27 | 深圳市华宝新能源有限公司 | Electric automobile removes control system that charges |
| CN104935038B (en) * | 2015-06-05 | 2017-07-28 | 深圳市华宝新能源股份有限公司 | Mobile energy storage charging device and mobile energy storage charging system |
| US10377260B2 (en) * | 2017-01-13 | 2019-08-13 | Uber Technologies, Inc. | Charge control system for mobile energy storage fleet |
| CN109272657A (en) * | 2017-07-17 | 2019-01-25 | 周锡卫 | One kind is based on removable energy storage electric power storage power supply charging system for electric automobile and operation method |
| CN108454434A (en) * | 2018-03-06 | 2018-08-28 | 浙江浙能能源服务有限公司 | A kind of active-mode intelligent moving charging changes electric system |
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