CN110641312A

CN110641312A - Charging security method, computer equipment and storage medium

Info

Publication number: CN110641312A
Application number: CN201910781798.0A
Authority: CN
Inventors: 雷贵州
Original assignee: Hengda Wisdom Charging Technology Co Ltd
Current assignee: Hengda Wisdom Charging Technology Co Ltd; Evergrande Smart Charge Technology Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-01-03

Abstract

The invention provides a charging security method, which is used for a charging device and comprises the following steps: connecting and communicating with an electric automobile; and generating and sending security control information according to the abnormal connection state of the electric vehicle and the preset condition that the abnormal connection state meets the preset condition.

Description

Charging security method, computer equipment and storage medium

Technical Field

The invention relates to the field of electric vehicle charging, in particular to a charging security method applied to a charging device, computer equipment based on the charging security method and a computer storage medium.

Background

With the continuous improvement of the scientific and technological level and the living standard of people, more and more people start to buy the car to promote the convenience of life, improve the quality of life. However, as the capacity of the current automobiles is continuously increased, the emission of automobile exhaust has great influence on the ecological environment. In order to improve the increasingly worsened ecological environment, electric automobiles have come into operation, the electric automobiles provide energy through electric power to drive the vehicles to run, automobile exhaust cannot be generated in the running process, and the electric automobiles have great effects of reducing the automobile exhaust and improving the environmental pollution.

Electric vehicles have been vigorously developed, and further, the development of charging devices, such as charging piles, charging sockets and other related industries, has been driven. At present, to the socket that charges, use the independent movable cable subassembly (the rifle that charges) that has vehicle plug and power plug, this kind of connected mode, cable subassembly are easily pulled out (improper pulling) by the thief violence, pull out the rifle body after destroying the charging connection state rapidly, lead to equipment damage and loss of property.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a charging security method capable of realizing security management of a charging device, computer equipment based on the charging security method and a computer storage medium.

In order to realize the purpose, the following technical scheme is adopted:

in a first aspect, a charging security method is used for a charging device, and the charging security method includes:

connecting and communicating with an electric automobile; and the number of the first and second groups,

and generating and sending security control information according to the abnormal connection state of the electric automobile and the condition that the abnormal connection state meets the preset condition.

In a second aspect, a computer device, comprising:

a memory for storing executable instructions; and the number of the first and second groups,

and the processor is used for executing the executable instructions so as to complete the charging security method according to the first aspect.

In a third aspect, a computer storage medium is used for storing computer readable instructions, where the instructions are executed to implement the charging security method according to the first aspect.

The invention has the beneficial effects that:

the charging security method provided by the invention is applied to a charging device, initiates connection and communication with an electric automobile, detects a counter-connection state to judge whether the connection between the charging device and the electric automobile is abnormal or not, and generates and sends security control information for security control on charging when the judgment shows that the abnormal connection meets a preset condition; the security protection problem caused by abnormal pulling of the damaged charging connection is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope of the present invention.

Fig. 1 is a schematic diagram of a frame structure of a charging device according to a first embodiment of the present invention;

fig. 2 is a schematic diagram of a frame structure of a charging device according to a second embodiment of the present invention;

fig. 3 is a schematic diagram of a frame structure of a charging device according to a third embodiment of the present invention;

fig. 4 is a schematic flow chart of a charging security method according to a fourth embodiment of the present invention;

fig. 5 is a schematic flowchart of a charging security method according to a fifth embodiment of the present invention;

fig. 6 is a schematic flow chart of a charging security method according to a sixth embodiment of the present invention;

fig. 7 is a schematic flow chart of a charging security method according to a seventh embodiment of the present invention;

fig. 8 is a schematic flowchart of a charging security method according to an eighth embodiment of the present invention;

fig. 9 is a schematic diagram of a frame structure of a computer device according to a ninth embodiment of the present invention;

fig. 10 is a schematic diagram of a frame structure of a readable storage medium according to a tenth embodiment of the present invention.

Detailed Description

Hereinafter, various embodiments of the present invention will be described more fully. The invention is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit various embodiments of the invention to the specific embodiments disclosed herein, but on the contrary, the intention is to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of various embodiments of the invention.

Hereinafter, the terms "includes" or "may include" used in various embodiments of the present invention indicate the presence of disclosed functions, operations, or elements, and do not limit the addition of one or more functions, operations, or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to mean that the specified features, numbers, steps, operations, elements, components, or combinations of the foregoing, are only meant to indicate that a particular feature, number, step, operation, element, component, or combination of the foregoing, is not to be understood as first excluding the existence of, or adding to the possibility of, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.

In various embodiments of the invention, the expression "a or/and B" includes any or all combinations of the words listed simultaneously, e.g., may include a, may include B, or may include both a and B.

Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.

It should be noted that: in the present invention, unless otherwise explicitly stated or defined, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; there may be communication between the interiors of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, it should be understood by those skilled in the art that the terms indicating an orientation or a positional relationship herein are based on the orientations and the positional relationships shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation and operate, and thus, should not be construed as limiting the present invention.

The terminology used in the various embodiments of the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the present invention. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Referring to fig. 1, an embodiment of the invention provides a charging device 100, and specifically, in the embodiment, the charging device 100 is a charging socket, and the charging device 100 is connected to an electric vehicle 200 through a charging gun to provide a charging service.

The charging device 100 includes:

a connection unit 10 for connecting and communicating with the electric vehicle 200; and the number of the first and second groups,

and the control unit 30 is configured to generate and send security control information according to that the connection state between the connection unit 10 and the electric vehicle 200 is abnormal and the abnormal connection state meets a preset condition.

In this embodiment, the charging device 100 communicates with the electric vehicle 200 through the connection unit 10, and stable communication is a precondition for keeping the charging device 100 normally charging the electric vehicle 200; furthermore, the communication connection state is detected, whether an abnormal state occurs or not is judged, whether the abnormal state meets preset conditions or not is further judged, the security problem caused by abnormal connection can be avoided, the abnormal state is accurately judged, and conventional signal fluctuation interference is screened out. Specifically, the security control information includes a reminding message sent to a user and a management platform to prompt the user or the platform of a security problem; the security control information further includes a control instruction of the charging device 100, and performs security control on the charging device 100, such as turning off the device function.

Referring to fig. 2, further, the connection unit 10 includes:

a connection confirmation subunit 11 for connecting with the electric vehicle 200 and detecting a connection confirmation signal; and the number of the first and second groups,

the control guidance subunit 12 is used for connecting with the electric automobile 200 and communicating with the electric automobile 200 according to the connection confirmation signal;

the charging device 100 further includes a charging unit 30, specifically configured to connect with the electric vehicle 200, and start power supply according to communication between the control guidance subunit 12 and the electric vehicle 200.

In this embodiment, the connection unit 10 includes a connection confirmation subunit 11 and a control guidance subunit 12, which are respectively connected to and communicate with the electric vehicle 200, and is first connected to the electric vehicle 200 through the connection confirmation subunit 11 and detects a connection confirmation signal, where when the connection confirmation signal is detected, it indicates that the charging device 100 is successfully connected to the electric vehicle 200; then, the connection control guidance is realized by controlling the guidance subunit 12 to connect and communicate with the electric vehicle 200, and further, the charging device 100 further includes a charging unit 30, and the charging unit 30 starts charging after the control guidance subunit 12 communicates with the electric vehicle 200 normally. In this embodiment, the charging device 100 and the electric vehicle 200 are connected and charged in the above manner, so that the control stability and the functional safety of the charging device are improved. It can be understood that, in other embodiments, only the connection unit 10 is reserved to be connected with the electric vehicle 200, and the connection abnormality of the electric vehicle 200 and the connection unit 10 is determined, so as to generate the security control information correspondingly.

Further, the connection confirming subunit 11 is specifically configured to connect with the electric vehicle 200 and detect a first level signal; the control guidance subunit 12 is specifically configured to connect to the electric vehicle 200, send a second level signal to the electric vehicle 200 according to the first level signal, and detect a third level signal, where the third level signal is in response to the second level signal; the charging unit 30 is specifically configured to be connected to the electric vehicle 200, and to turn on power supply according to the third level signal.

In this embodiment, specifically, the connection confirmation signal detected by the connection confirmation subunit 11 is a preset level signal; the connection communication between the control guidance subunit 12 and the electric vehicle 200 includes sending a second level signal to the electric vehicle 200 and receiving a third level signal corresponding to the second level signal, and the third level signal starts the charging unit 30 to start charging. With such control, the stability and safety of the control of the charging device 100 are further improved.

Further, the control unit 20 is specifically configured to detect and record the abnormal times of the first level signal or the third level signal, and generate and send the security control information when the sum of the abnormal times of the first level signal and the abnormal times of the third level signal reaches a preset time within a preset time. In this embodiment, specifically, it is determined that the number of times of abnormality reaches three times within one minute, and the generation of security control information is triggered.

In this embodiment, the signals received during the connection between the connection unit 10 and the electric vehicle 200 include the first level signal received by the connection confirmation subunit 11 and the third level signal received by the control guidance subunit 12, and the abnormal condition of the first level signal or the third level signal is recorded as the preset condition for triggering the security control, so that the accuracy of starting the security control is improved, and false triggering is avoided.

Further, the control unit 20 is specifically configured to determine that a difference between a level value of the first level signal or the third level signal and a standard value exceeds a preset value, and is abnormal, record a sum of the abnormal times of the first level signal and the abnormal times of the third level signal, and generate and send the security control information according to the sum of the abnormal times reaching the preset times within a preset time. For example, the standard value corresponding to the first level signal is 0V, the preset value is 3V, and if the level value of the first level signal is detected to be 3.5V, the signal is abnormal.

In this embodiment, the determining that the level value is abnormal specifically includes determining a difference between the determined level value and the standard value, that is, when the level value remains relatively stable and normal, the situation of large fluctuation is abnormal.

Further, the first level signal is a constant level signal, and the standard values include a first standard value corresponding to the first level signal; the third level signal is a pulse width modulation signal, and the standard values include a second standard value corresponding to a high level of the third level signal and a third standard value corresponding to a low level of the third level signal.

It is understood that, in other embodiments, the first level signal or the third level signal may be other types of level signals, and is not limited to the level signals set in the embodiment.

Specifically, the first standard value is 0V, the second standard value is 6V, and the third standard value is-12V.

It is to be understood that, in other embodiments, the level value of the standard value may be set to other values, without being limited to the level value set in the present embodiment.

Specifically, the third level signal is a pulse width modulation signal, and the duty ratio thereof is greater than or equal to 8% and less than or equal to 90%.

It is to be understood that the second level signal may be a pulse width modulated signal.

Specifically, the duty ratio of the second level signal is 5%. The high level of the second level signal is 9V, and the low level is-12V.

It is understood that the second level signal may also be a constant level signal. Specifically, the second level signal is 6V.

Further, the charging unit 30 is further configured to stop power supply according to the security control information.

In this embodiment, when the control unit 20 detects that the connection state of the connection unit 10 triggers security control information, the security control information is sent to the charging unit 30, and the charging unit 30 is controlled to stop supplying power, so as to avoid the situation that the connection state is damaged, the charging device 100 still outputs power, which causes a potential safety hazard.

Further, the control unit 20 is specifically configured to generate and send the security control information when the number of abnormal times within a preset time according to the connection state of the connection unit 10 and the electric vehicle 200 reaches a preset number of times.

In this embodiment, the occurrence of the anomaly satisfies the preset condition, specifically, the number of anomalies reaches a preset number within a preset time.

Referring to fig. 3, further, the charging device 100 further includes an electronic lock 40 for maintaining a locked state according to the security control information.

In this embodiment, when the control unit 20 detects that the connection state of the connection unit 10 triggers security control information, send security control information to the electronic lock 40, control the electronic lock 40 to keep a locking state, and avoid the connection state from being destroyed, the charging device 100 opens the locking state, which causes a detachable potential safety hazard of the device. Specifically, the electronic lock 40 is disposed at the interface of the charging device 100, and maintains a locked state to lock the charging connector or the cable, thereby preventing the occurrence of a detached security problem.

Further, the control unit 20 is further configured to receive a control instruction, where the control instruction is in response to the security control information;

the electronic lock 40 is further configured to open a locked state according to the control instruction.

In this embodiment, the charging device 100 can receive a control command, and further control the electronic lock 40 to open. The control instruction can be sent by the mobile terminal when the user needs to release the charging and leaving; or the management platform issues the command to control and manage the charging device 100.

Referring to fig. 4, an embodiment of the present invention further provides a charging security method for the charging device 100, where the charging device 100 is connected to and communicates with an electric vehicle and provides a charging service. The charging security method comprises the following steps:

step S10, connecting and communicating with the electric automobile; and the number of the first and second groups,

and step S20, generating and sending security control information according to the abnormal connection state of the electric automobile and the condition that the abnormal connection state meets the preset condition.

In this embodiment, charging device and electric automobile communication are connected, detect the state of connecting, appear unusually and satisfy the preset condition unusually when judging the connection state, and charging device and electric automobile's connection state is in abnormal state promptly, generates security protection control information, further carries out security protection control to charging device, prevents that the security problem from taking place.

Referring to fig. 5, in another embodiment, the step S10, further, is connected to and communicates with an electric vehicle, and includes:

step S11, connecting with the electric automobile and detecting a connection confirmation signal;

step S12, communicating with the electric automobile according to the connection confirmation signal; and the number of the first and second groups,

the charging security method further comprises a step S30 of starting power supply according to the communication with the electric automobile.

In this embodiment, the signal of the connection communication between the charging device and the electric vehicle includes a connection confirmation signal and a control guidance signal, and the communication in the above manner improves the security of the communication between the charging device and the electric vehicle.

Specifically, the step S11, connecting with the electric vehicle and detecting a connection confirmation signal, specifically includes: connecting with an electric automobile and detecting a first level signal; step S12, communicating with the electric vehicle according to the connection confirmation signal, specifically including: sending a second level signal to the electric automobile according to the first level signal, and detecting a third level signal, wherein the third level signal is in response to the second level signal; step S30, starting power supply according to the communication with the electric vehicle, specifically including: and starting power supply according to the third level signal.

Further, step S20, generating and sending security control information according to that the connection state with the electric vehicle is abnormal and the abnormal connection state meets a preset condition, specifically including:

and detecting and recording the abnormal times of the first level signal or the third level signal, and generating and sending the security control information according to the fact that the sum of the abnormal times of the first level signal and the abnormal times of the third level signal reaches the preset times within the preset time.

In this embodiment, the determination of the abnormal connection state is specifically that the abnormal frequency reaches a preset frequency within a preset time. Specifically, in this embodiment, it is determined that the number of times of abnormality reaches three times within one minute, and the generation of security control information is triggered.

Further, the detecting and recording the abnormal times of the first level signal or the third level signal, and generating and sending the security control information according to the fact that the sum of the abnormal times of the first level signal and the abnormal times of the third level signal reaches a preset number within a preset time, specifically includes: and determining that the difference value of the level value of the first level signal or the third level signal relative to a standard value exceeds a preset value, recording the sum of the abnormal times of the first level signal and the abnormal times of the third level signal, and generating and sending the security control information when the sum of the abnormal times reaches the preset times within a preset time.

In this embodiment, the abnormal occurrence of the level signal is determined by comparing the level value of the level signal with a standard value, and determining that the level value exceeds the preset value.

Further, the first standard value is 0V, the second standard value is 6V, and the third standard value is-12V.

Further, the duty ratio of the third level signal is greater than or equal to 8% and less than or equal to 90%.

Optionally, the second level signal is a pulse width modulation signal. The duty ratio of the second level signal is 5%.

Specifically, the high level of the second level signal is 9V, and the low level is-12V.

Optionally, the second level signal is a constant level signal. Specifically, the second level signal is 6V.

Referring to fig. 6, further, after the step S20, according to that the connection state with the electric vehicle is abnormal and the abnormal connection state meets a preset condition, generating and sending security control information, the method further includes: and step S40, stopping power supply according to the security control information.

Further, step S20, generating and sending security control information according to that the connection state with the electric vehicle is abnormal and the abnormal connection state meets a preset condition, specifically including: and generating and sending the security control information according to the fact that the abnormal times of the connection state with the electric automobile in the preset time reach the preset times.

Referring to fig. 7, in another embodiment, after the step S20, according to that the connection state with the electric vehicle is abnormal and the abnormal connection state meets a preset condition, generating and sending security control information, the method further includes: and step S50, generating and sending locking control information according to the security control information.

Referring to fig. 8, in another embodiment, after the step S20, according to that the connection state with the electric vehicle is abnormal and the abnormal connection state meets a preset condition, generating and sending security control information, the method further includes:

step S60, receiving a control instruction, wherein the control instruction responds to the security control information; and generating and sending locking opening control information according to the control instruction.

Referring to fig. 9, another embodiment of the present invention further provides a computer apparatus 300, including: a memory 310 for storing a computer program 320; and a processor 330, configured to execute the computer program to complete the charging security method. The computer device 300 may be a charging pile.

Referring to fig. 10, another embodiment of the invention further provides a computer storage medium 400 for storing a computer program 410, wherein the computer program 410 is executed to implement the charging security method. The storage medium may be disposed on the charging post.

The charging device and the charging security method provided by the invention initiate connection and communication with an electric vehicle, detect the opposite connection state to judge whether the connection between the charging device and the electric vehicle is abnormal or not, and generate and send security control information for security control on charging when the judgment that the abnormal connection meets the preset condition; the security protection problem caused by abnormal pulling of the damaged charging connection is avoided.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).

The above-described embodiments are merely illustrative of several embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, other various changes and modifications can be made according to the above-described technical solutions and concepts, and all such changes and modifications should fall within the protection scope of the present invention.

Claims

1. The charging security method is used for a charging device and is characterized by comprising the following steps:

2. The charging security method according to claim 1, wherein the connecting and communicating with the electric vehicle comprises:

connecting with an electric vehicle and detecting a connection confirmation signal; and the number of the first and second groups,

communicating with the electric automobile according to the connection confirmation signal;

the charging security method further comprises the following steps: and starting power supply according to the communication with the electric automobile.

3. The charging security method according to claim 2, wherein the connecting with the electric vehicle and detecting the connection confirmation signal specifically include: connecting with an electric automobile and detecting a first level signal; according to connect confirm signal and electric automobile communication, specifically include: sending a second level signal to the electric automobile according to the first level signal, and detecting a third level signal, wherein the third level signal is in response to the second level signal; according to with electric automobile's communication open the power supply, specifically include: and starting power supply according to the third level signal.

4. The charging security method according to claim 3, wherein the generating and sending security control information according to the abnormal connection state with the electric vehicle and the preset condition that the abnormal connection state meets the preset condition specifically comprises:

5. The charging security method according to claim 4, wherein the detecting and recording the abnormal times of the first level signal or the third level signal, and generating and sending the security control information according to a preset time when a sum of the abnormal times of the first level signal and the abnormal times of the third level signal reaches a preset number, specifically comprises:

and determining that the difference value of the level value of the first level signal or the third level signal relative to a standard value exceeds a preset value, recording the sum of the abnormal times of the first level signal and the abnormal times of the third level signal, and generating and sending the security control information when the sum of the abnormal times reaches the preset times within a preset time.

6. The charging security method according to claim 5, wherein the first level signal is a constant level signal, and the standard value comprises a first standard value corresponding to the first level signal; the third level signal is a pulse width modulation signal, and the standard values include a second standard value corresponding to a high level of the third level signal and a third standard value corresponding to a low level of the third level signal.

7. The charging security method according to claim 6, wherein the first standard value is 0V, the second standard value is 6V, and the third standard value is-12V.

8. The charging security method according to claim 6, wherein a duty ratio of the third level signal is greater than or equal to 8% and less than or equal to 90%.

9. The charging security method according to claim 3, wherein the second level signal is a pulse width modulation signal.

10. The charging security method according to claim 9, wherein a duty ratio of the second level signal is 5%.

11. The charging security method according to claim 9, wherein the high level of the second level signal is 9V, and the low level is-12V.

12. The charging security method according to claim 3, wherein the second level signal is a constant level signal.

13. The charging security method according to claim 12, wherein the second level signal is 6V.

14. The charging security method according to claim 3, wherein after generating and sending the security control information according to the abnormal connection state with the electric vehicle and the preset condition that the abnormal connection state meets the preset condition, the method further comprises: and stopping power supply according to the security control information.

15. The charging security method according to claim 1, wherein the generating and sending security control information according to the abnormal connection state with the electric vehicle and the preset condition that the abnormal connection state meets the preset condition specifically comprises: and generating and sending the security control information according to the fact that the abnormal times of the connection state with the electric automobile in the preset time reach the preset times.

16. The charging security method according to claim 1, wherein after generating and sending the security control information according to the abnormal connection state with the electric vehicle and the preset condition that the abnormal connection state meets the preset condition, the method further comprises: and generating and sending locking control information according to the security control information.

17. The charging security method according to claim 16, wherein after generating and sending the security control information according to the abnormal connection state with the electric vehicle and the preset condition that the abnormal connection state meets the preset condition, the method further comprises:

receiving a control instruction, wherein the control instruction is in response to the security control information; and the number of the first and second groups,

and generating and sending locking opening control information according to the control instruction.

18. A computer device, comprising:

a processor configured to execute the executable instructions to perform the charge security method according to any one of claims 1 to 17.

19. A computer storage medium storing computer readable instructions, wherein the instructions when executed implement the charging security method of any one of claims 1 to 17.