CN109747473B - Charging control method and charging control system - Google Patents
Charging control method and charging control system Download PDFInfo
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- CN109747473B CN109747473B CN201910116508.0A CN201910116508A CN109747473B CN 109747473 B CN109747473 B CN 109747473B CN 201910116508 A CN201910116508 A CN 201910116508A CN 109747473 B CN109747473 B CN 109747473B
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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
Abstract
The invention relates to a charging control method, which is used for controlling an electric automobile to be charged after firmware or software is upgraded and comprises the following steps: receiving an upgrade completion signal sent by the electric automobile; determining identification information of a charging pile connected with the electric automobile; and indicating the charging pile to output a PWM signal to the electric automobile so as to start the charging process. According to the method, the continuous charging process is automatically realized after the firmware or software is upgraded, so that the overall working efficiency of the charging station is improved, and good use experience is brought to a charging user.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a method for controlling an electric automobile to be charged after firmware or software is upgraded.
Background
In the ac charging process of the electric vehicle, if firmware (or software) upgrade is required, it is a general way to stop the charging first for safety, that is, by turning off the switch of the vehicle interior switch S2. However, the time required for upgrading the firmware (software) far exceeds the time for waiting for recharging of the automobile by the charging pile, so that the charging pile can mistakenly finish the automobile charging, and the output of the PWM signal is stopped.
After the firmware upgrading is completed, if the automobile needs to be continuously charged, the charging pile needs at least one trigger signal, so that the charging pile continues to charge the automobile after the firmware upgrading is completed, otherwise, the charging pile cannot output a PWM signal, and the automobile fails to be continuously charged. In addition, there are more complicated interface circuit and control signal flow between electric automobile and the stake of charging, and single trigger signal may influence other circuits when realizing that the car can continue to charge.
On the other hand, the continuous charging of the electric automobile is realized in a manual mode, so that extra labor is occupied, and the overall working efficiency of the charging station is reduced.
Disclosure of Invention
The invention aims to provide a method for controlling charging of an electric automobile after firmware or software of the electric automobile is upgraded.
In order to achieve the above purpose, the invention provides a technical scheme as follows:
a charging control method is used for controlling an electric vehicle to be charged after firmware or software is upgraded, and comprises the following steps: receiving an upgrade completion signal sent by the electric automobile; determining identification information of a charging pile connected with the electric automobile; and indicating the charging pile to output a PWM signal to the electric automobile based on the identification information so as to start a charging process.
Optionally, the method further comprises: and determining whether the charging pile connected with the electric automobile is still connected with the electric automobile during the previous charging.
Optionally, the method further comprises: and redistributing the charging piles to the electric vehicles.
Also, in order to achieve the above object, the present invention further provides a method for controlling continuous charging of an electric vehicle, including: after the firmware or software of the electric automobile is upgraded, sending an upgrade completion signal to a cloud end; reporting identification information of a charging pile connected with the electric automobile to a cloud end; receiving a PWM signal sent by a charging pile; the vehicle interior switch S2 is closed to receive the charging current of the charging post.
Another object of the present invention is to provide a charge control system, including: the signal receiving unit is configured to receive an upgrade completion signal sent by the electric automobile; a first control unit configured to determine identification information of a charging pile connected to an electric vehicle; and the second control unit is configured to instruct the charging pile to output a PWM signal to the electric automobile so as to start the charging process.
Optionally, the system further comprises: and the resource scheduling unit is configured to distribute the charging piles to the electric automobiles.
The control method provided by the embodiment of the invention can automatically realize the continuous charging process after the firmware/software of the electric vehicle is upgraded, thereby not only improving the overall working efficiency of the charging station, but also ensuring that a charging user has good use experience. In addition, the charging control system is realized based on cloud or is mutually coupled into a large-scale system, so that the charging control of a plurality of electric vehicles in a large area and the reasonable scheduling of charging resources can be realized.
Drawings
Fig. 1 is a schematic flow chart illustrating a charging control method according to a first embodiment of the present invention.
Fig. 2 is a schematic flow chart illustrating a method for controlling continuous charging of an electric vehicle according to a second embodiment of the present invention.
Fig. 3 is a schematic block diagram of a charging control apparatus according to a third embodiment of the present invention.
Detailed Description
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that embodiments of the invention may be practiced without these specific details. In the present invention, specific numerical references such as "first element", "second device", and the like may be made. However, specific numerical references should not be construed as necessarily subject to their literal order, but rather construed as "first element" as opposed to "second element".
The specific details set forth herein are merely exemplary and may be varied while remaining within the spirit and scope of the invention. The term "coupled" is defined to mean either directly connected to a component or indirectly connected to the component via another component.
Preferred embodiments of methods, systems and devices suitable for implementing the present invention are described below with reference to the accompanying drawings. Although embodiments are described with respect to a single combination of elements, it is to be understood that the invention includes all possible combinations of the disclosed elements. Thus, if one embodiment includes elements A, B and C, while a second embodiment includes elements B and D, the invention should also be considered to include other remaining combinations of A, B, C or D, even if not explicitly disclosed.
As shown in fig. 1, a first embodiment of the present invention provides a charging control method for controlling an electric vehicle to be charged after upgrading firmware or software, which is executed by a cloud server or a charging control system connected to the electric vehicle and a charging pile, and includes steps S10-S12-S14. As an example, embodiments performed by a cloud server are described below.
Step S10: and receiving an upgrade completion signal sent by the electric automobile.
Specifically, after the firmware or software is upgraded, the electric vehicle sends an upgrade completion signal to the cloud server, the signal can be sent through the mobile communication channel, and the cloud server can execute the following control steps after receiving the upgrade completion signal. The upgrade completion signal also carries identification information of the electric vehicle.
Step S12: and determining the identification information of the charging pile connected with the electric automobile.
In this step, the cloud server needs to know the identification information of the charging pile connected to the electric vehicle, so as to control the charging action of the charging pile. As an example, the cloud server first searches the charging record table based on the identification information of the electric vehicle obtained in step S10 to determine the identification information of the first charging pile connected to the electric vehicle at the previous charging time (before firmware/software upgrade), and instructs the electric vehicle to check whether the first charging pile still remains connected, and if so, the cloud server may then enable a control action on the first charging pile; and if the connection is not kept, the cloud server indicates the electric automobile to report the identification information of the second charging pile connected with the electric automobile currently. Alternatively, the cloud server may also instruct the electric vehicle to directly report the identification information of the charging pile connected to the electric vehicle, regardless of whether the electric vehicle is a new charging pile or the same charging pile as the charging pile before the firmware software is upgraded.
As another example, in view of scheduling charging resources, the cloud server may reallocate charging piles to electric vehicles after firmware/software upgrade is completed. For example, the cloud server may instruct the electric vehicle to use the newly allocated second charging pile, and the electric vehicle may report the identification information of the second charging pile to the cloud server after the second charging pile is connected. The redistribution of the charging piles may be performed before step S12 or before step S10, so that the resource scheduling may be performed before the upgrade is completed, instead of performing resource scheduling after the firmware upgrade is completed, which may reduce the time for the user to wait for charging resources after the firmware upgrade is completed.
In the above description, the first charging pile and the second charging pile are expressed, but it should be appreciated that the first charging pile and the second charging pile may be the same or different charging piles. In order to improve the requirements of the user of the electric automobile in the aspect of continuous charging, the second charging pile can be selected by referring to the type and the physical position of the first charging pile, so that the user has fewer vehicles and even does not need to move the vehicle at all.
Those skilled in the art will appreciate that by using a robotic arm or sliding track, it is possible to disconnect the electric vehicle from the first charging post during a firmware/software upgrade without moving the vehicle, and to connect the electric vehicle to the second charging post after the firmware/software upgrade is complete, again without moving the vehicle. The method is convenient for realizing reasonable scheduling of the charging resources and further improves the use experience of the user.
Step S14: and indicating the charging pile to output a PWM signal to the electric automobile so as to start the charging process.
After the cloud server acquires the identification information of the charging pile connected with the electric automobile, the cloud server can indicate the charging pile to output a group of PWM signals to the corresponding electric automobile so as to initiate a charging process. In response to receiving the PWM signal, the vehicle internal switch S2 is closed at the electric vehicle, and then the electric vehicle may receive the ac charging current output by the charging post until the entire charging process is completed. As an example, the vehicle interior switch S2 conforms to the national standard GB/T18487.1-2015.
As a further improvement, in order to reasonably schedule the charging resources (charging piles), before step S10, when the firmware/software is about to be upgraded, the electric vehicle reports the remaining power information, so that the cloud server allocates the charging piles required for continuing to charge the electric vehicle to the electric vehicle in advance.
The second embodiment of the present invention provides a control method for continuously charging an electric vehicle, as shown in fig. 2, the method is performed at the electric vehicle side, for example, by a battery management system or a main control unit MCU of the electric vehicle, or alternatively, the control method may be implemented by a dedicated control device integrated at the electric vehicle side. The method specifically comprises steps S21-S23-S25-S27. The following description will be made mainly of a dedicated control device for an electric vehicle.
Step S21: and sending an upgrade completion signal to the cloud.
Specifically, after the firmware or software of the electric vehicle is upgraded, the special control device at the electric vehicle end sends an upgrade completion signal to the cloud server. The transmission of the signal may be through a mobile communication channel. The upgrade complete signal generally includes identification information of the electric vehicle.
Step S23: and reporting the identification information of the charging pile connected with the cloud terminal to the cloud terminal.
In this step, the dedicated control device may detect the charging pile connected to the electric vehicle first, and then report the identification signal of the charging pile to the cloud server.
Step S25: and receiving a PWM signal sent by the charging pile.
In case that the vehicle interior switch S2 of the electric vehicle is closed, the dedicated control device can receive the PWM signal outputted from the charging pile, which is a control signal for instructing the start of the charging process.
Step S27: the vehicle interior switch S2 is closed to receive the charging current of the charging post.
In this step, based on the reception of the PWM signal, the dedicated control device may close the vehicle interior switch S2; subsequently, the input relay at the end of the on-board charger can be closed, so that the charging current flows from the charging pile to the on-board charger.
As a modification of the second embodiment described above, before the firmware/software upgrade, the dedicated control device of the electric vehicle turns off the vehicle interior switch S2 after receiving an indication that the firmware or software needs to be upgraded, and then starts upgrading the corresponding firmware or software after detecting that the charging process is stopped. Whether the charging process is stopped or not can be determined by detecting the on-off state of an input relay at the end of the vehicle-mounted charger.
As a further refinement of the second embodiment described above, the method is stored on a computer-readable storage medium in the form of machine-executable instructions. These machine executable instructions, when executed by a processor, implement the steps of the method of the second embodiment.
A charging control system 30 according to a third embodiment of the present invention includes a signal receiving unit 300, a first control unit 301, a second control unit 302, and an optional resource scheduling unit 303, as shown in fig. 3. Wherein, electric automobile 10, fill electric pile 20 all can be a plurality ofly. That is to say, such a charging control system 30 can be connected to a batch of a plurality of charging piles and a plurality of electric vehicles at the same time, and realize charging control and resource scheduling functions. In addition, the charging control systems 30 may be respectively disposed at different locations of the charging station and the large cell and coupled to each other to form a large-area charging control system, so as to perform charging control and resource scheduling in a large area.
Specifically, the signal receiving unit 300 is configured to receive an upgrade completion signal issued by the electric vehicle 10. The first control unit 301 is configured to determine identification information of the charging post 20 connected to the electric vehicle 10. The second control unit 302 is configured to instruct the charging pile 20 to output a set of PWM signals to the electric vehicle 10 to start the charging process. Wherein the first control unit 301, the second control unit 302 and the signal receiving unit 300 may be coupled to each other.
In order to determine the identification information of the charging pile, the first control unit 301 may further instruct the electric vehicle to detect the charging pile connected to the electric vehicle, and/or instruct the electric vehicle 10 to report the corresponding charging pile information.
Preferably, the first control unit 301 further instructs the electric vehicle to report the remaining power information, so that the resource scheduling unit 303 allocates a suitable charging pile 20 to the electric vehicle. Even if the signal receiving unit 300 is configured to receive the upgrade complete signal, in order to ensure reasonable scheduling of the charging resources, the first control unit 301 may report the remaining power information before the firmware/software upgrade is completed, so that the scheduling center prepares the charging pile required for charging the electric vehicle in advance.
After the firmware/software upgrade is completed, the resource scheduling unit 303 may reallocate the appropriate charging piles 20 for the electric vehicle 10 to complete the charging process. As an example, the scheduling scheme should consider the time required for the electric vehicle 10 to complete charging and whether each charging post has a predetermined charging order.
In some embodiments of the invention, a portion of the charge control system shown may be implemented using a distributed set of computing devices connected by a mobile communications network, or based on a "cloud". In such a system, multiple computing devices operate together to provide services by using their shared resources. A "cloud" based implementation may provide one or more advantages, including: openness, flexibility and extensibility, centrally manageable, reliable, scalable, optimized for computing resources, having the ability to aggregate and analyze information across multiple users, the ability to collaborate, schedule across multiple geographic areas.
A fourth embodiment of the present invention provides a continuous charging control apparatus (not shown in the drawings) including a first reporting unit, a second reporting unit, a signal receiving unit, and a charging control unit. The device is arranged at the end of the electric automobile and can be externally connected to a vehicle-mounted charger of the electric automobile as an independent device or integrated with the vehicle-mounted charger of the electric automobile.
In the device, the first reporting unit is configured to send an upgrade completion signal to the cloud after the firmware or software upgrade of the electric vehicle is completed. The second reporting unit is configured to report identification information of a charging pile connected with the electric vehicle to the cloud. The signal receiving unit is configured to receive the PWM signal sent by the charging pile. The charging control unit is configured to close the vehicle interior switch S2 to receive the charging current of the charging post.
Those of skill in the art would appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the aspects disclosed herein may be implemented as electronic hardware, computer software, or combinations of both.
To demonstrate interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The above description is directed to the preferred embodiment of the present invention only, and is not intended to limit the scope of the present invention. Various modifications may be made by those skilled in the art without departing from the spirit of the invention and the appended claims.
Claims (11)
1. A charging control method for controlling an electric vehicle to be charged after firmware or software is upgraded, the method comprising:
a) receiving an upgrade completion signal sent by the electric automobile;
b) determining identification information of a charging pile connected with the electric automobile;
d) and indicating the charging pile to output a PWM signal to the electric automobile based on the identification information so as to start a charging process.
2. The method of claim 1, further comprising:
and determining whether the charging pile connected with the electric automobile in the previous charging is still connected with the electric automobile.
3. The method of claim 1, further comprising:
and reallocating the charging piles to the electric vehicles.
4. The method of any of claims 1 to 3, wherein the upgrade complete signal is sent by the electric vehicle over a mobile communication channel.
5. A control method for continuously charging an electric automobile comprises the following steps:
a) after the firmware or software of the electric automobile is upgraded, sending an upgrade completion signal to a cloud end;
b) reporting identification information of a charging pile connected with the electric automobile to the cloud end;
c) receiving a PWM signal sent by the charging pile;
d) and closing a vehicle interior switch S2 to receive the charging current of the charging pile.
6. The method of claim 5, further comprising:
prior to step a) performing:
turning off the vehicle interior switch based on an indication that firmware or software of the electric vehicle needs to be upgraded S2;
upgrading the firmware or software based on detecting that the charging process is stopped.
7. The method of claim 5 or 6, wherein the upgrade complete signal is transmitted by the electric vehicle over a mobile communication channel.
8. A computer readable storage medium having stored thereon a collection of machine executable instructions which, when executed by a processor, implement the method of any one of claims 5-7.
9. A charge control system comprising:
the signal receiving unit is configured to receive an upgrade completion signal sent by the electric automobile;
a first control unit configured to determine identification information of a charging pile connected to the electric vehicle;
a second control unit configured to instruct the charging pile to output a PWM signal to the electric vehicle to start a charging process.
10. The system of claim 9, further comprising:
a resource scheduling unit configured to allocate the charging piles to the electric vehicles.
11. A continuous charging control apparatus comprising:
the first reporting unit is configured to send an upgrade completion signal to the cloud after the firmware or software of the electric vehicle is upgraded;
a second reporting unit configured to report identification information of a charging pile connected to the electric vehicle to the cloud;
the signal receiving unit is configured to receive the PWM signal sent by the charging pile; and
a charging control unit configured to close a vehicle interior switch S2 to receive a charging current of the charging post.
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| CN110233895B (en) * | 2019-06-13 | 2022-07-08 | 广州小鹏汽车科技有限公司 | Data transmission method and device for vehicle and vehicle |
| CN111190620A (en) * | 2019-12-23 | 2020-05-22 | 浙江天正电气股份有限公司 | Firmware upgrading method applied to intelligent switch system |
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