CN106714168B - Automatic authentication method and system based on distance activation - Google Patents

Abstract

The invention belongs to the field of security authentication, and specifically provides an automatic authentication method and system based on distance activation. The invention aims to solve the problems in the prior art that the authentication process of the new energy vehicle by the charging and exchanging facility is complicated and the security is poor. For this purpose, the method of the present invention mainly includes the following steps: obtaining the positions of the first target and the second target; determining the distance between the first target and the second target according to the positions of the first target and the second target; Compare with the set threshold; activate the authentication module when the distance is less than or equal to the threshold; authenticate the first target through the authentication module. Preferably, the first target is an electric vehicle, and the second target is a charging pile. The automatic authorization method of the invention can simplify the authentication process of the electric vehicle by the charging and exchanging facilities, and will not cause the charging and exchanging facilities to be stolen due to the loss of the authentication certificate, thereby greatly improving the charging and exchanging experience of the user.

Description

Automatic authentication method and system based on distance activation

technical field

The invention belongs to the field of security authentication, and specifically provides an automatic authentication method and system based on distance activation.

Background technique

With the continuous development and popularization of new energy vehicles, there are more and more users owning new energy vehicles, and the construction of supporting charging and swapping facilities is also becoming more and more perfect. In order to prevent the charging and swapping facilities from being illegally stolen by others, the charging and swapping facilities need to authenticate new energy vehicles. However, the authorization process of new energy vehicles and charging and replacing facilities on the market is cumbersome and complicated, and the user experience is poor.

Specifically, the current automatic authentication methods between charging and replacing facilities on the market and new energy vehicles mainly include: physical locks, swiping RFID cards, APP scanning/APP map selection, fingerprint recognition and iris recognition. For the automatic authentication method of physical locks, the charging pile needs to be installed in a box with a lock. The user unlocks and opens the box with a key before charging, and then locks the box after charging, and the key is easy to lose; The automatic authentication method requires the user to carry an RFID card every time they charge, and the RFID card is easy to lose; for the automatic authentication method of APP scanning/APP map selection, the user needs to scan the QR code on the charging pile through the mobile phone APP or APP map selection, the operation is complicated; for the automatic authentication method of fingerprint recognition and iris recognition, the authentication time is long and the operation is complicated.

Correspondingly, there is a need in the art for a new method for authorizing charging and replacing facilities to solve the above problems.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problems in the prior art that the authentication process of charging and exchanging facilities for new energy vehicles is complex and the security is poor, the present invention provides an automatic authentication method based on distance activation, The method includes the following steps: acquiring the positions of the first target and the second target; determining the distance between the first target and the second target according to the positions of the first target and the second target; The distance is compared with a set threshold; the authentication module is activated when the distance is less than or equal to the threshold; the first target is authenticated by the authentication module.

In a preferred technical solution of the above method, the authentication module is arranged on the second target.

In a preferred technical solution of the above method, the authentication module includes a first authentication module arranged on the first target.

In a preferred technical solution of the above method, the authentication module further includes a second authentication module arranged on the second target.

In a preferred technical solution of the above method, the step of "authenticating the first target by the authentication module" further includes: the authentication module sends authentication invitation information to the first target; the The first target sends authentication request information to the authentication module when receiving the authentication invitation information; the authentication module matches the authentication request information with the pre-stored legal authentication information and according to the matching result It is judged whether the authentication request of the first target should be passed.

In a preferred technical solution of the above method, the step of "authenticating the first target through the authentication module" further includes: the first authentication module sends an authentication request to the second authentication module information; the second authentication module matches the authentication request information with the pre-stored legal authentication information and judges whether the authentication request of the first target should be passed according to the matching result.

In a preferred technical solution of the above method, the step of "the authentication module sending authentication invitation information to the first target" further includes: the authentication module sends the authentication request to the first target through wireless communication or wired communication. The target sends authentication invitation information; and/or the step of “the first target sends authentication request information to the authentication module” further includes: the first target sends the authentication request information to the authentication module through wireless communication or wired communication. The right module sends authentication request information.

In a preferred technical solution of the above method, the step of "the first authentication module sends authentication request information to the second authentication module" further includes: the first authentication module communicates via wireless communication or wired communication way to send authentication request information to the second authentication module.

In a preferred technical solution of the above method, the wireless communication method includes WIFI, Bluetooth or ZIGBEE.

In a preferred technical solution of the above method, the wired communication mode includes power line carrier communication.

In a preferred technical solution of the above method, the first target is an object to be charged and replaced.

In a preferred technical solution of the above method, the second target is a charging and exchanging facility.

In a preferred technical solution of the above method, the objects to be charged and replaced include electric vehicles, electric bicycles and electric motorcycles.

In a preferred technical solution of the above method, the charging and exchanging facilities include a DC charging pile, an AC charging pile, a DC charger, an AC charger or a mobile charging vehicle.

In another aspect, the present invention provides an automatic authentication system based on distance activation, the system comprising: a positioning module for acquiring the positions of a first target and a second target and The position of the second target determines the distance between the first target and the second target; the control module compares the distance with a set threshold, and when the distance is less than or equal to the threshold The authentication module is activated; the authentication module, the automatic authentication system can authenticate the first target through the authentication module.

In the preferred technical solution of the above automatic authentication system, the authentication module is arranged on the second target.

In the preferred technical solution of the above automatic authentication system, the authentication module includes a first authentication module arranged on the first target.

In the preferred technical solution of the above automatic authentication system, the authentication module further includes a second authentication module arranged on the second target.

In the preferred technical solution of the above automatic authentication system, in the process of authenticating the first target, the authentication module sends authentication invitation information to the first target, and the first target is receiving When the authentication invitation information arrives, the authentication request information is sent to the authentication module, and then the authentication module matches the authentication request information with the pre-stored legal authentication information and judges whether it should be passed according to the matching result. The authentication request of the first target.

In the preferred technical solution of the above automatic authentication system, in the process of authenticating the first target, the first authentication module sends authentication request information to the second authentication module, and the first authentication module sends authentication request information to the second authentication module. The second authentication module matches the authentication request information with the pre-stored legal authentication information, and judges whether the authentication request of the first target should be passed according to the matching result.

In a preferred technical solution of the above automatic authentication system, the authentication module sends authentication invitation information to the first target through wireless communication or wired communication; and/or the first target uses wireless communication or The authentication request information is sent to the authentication module in a wired communication manner.

In the preferred technical solution of the above automatic authentication system, the first authentication module sends authentication request information to the second authentication module through wireless communication or wired communication.

In the preferred technical solution of the above automatic authentication system, the wireless communication method includes WIFI, Bluetooth or ZIGBEE.

In the preferred technical solution of the above automatic authentication system, the wired communication method includes power line carrier communication.

In the preferred technical solution of the above automatic authentication system, the first target is the object to be charged and replaced.

In the preferred technical solution of the above automatic authentication system, the second target is a charging and replacing facility.

In the preferred technical solution of the above automatic authentication system, the objects to be charged and replaced include electric vehicles, electric bicycles and electric motorcycles.

In the preferred technical solution of the above automatic authentication system, the charging and exchanging facilities include a DC charging pile, an AC charging pile, a DC charger, an AC charger or a mobile charging vehicle.

Those skilled in the art can understand that, in the preferred technical solution of the present invention, the position of the object to be charged and replaced is obtained through the positioning module, and then the charging and replacement device is obtained according to the position of the object to be charged and replaced and the position of the charging and replacing facility. The distance between the facility and the object to be charged and replaced. Further, activate the authentication module when the distance is less than or equal to the set threshold, and then verify whether the collected authentication request information of the object to be charged and exchanged matches the pre-stored legal authentication information by means of the authentication module, if If yes, the object to be charged and exchanged is authorized, and the charging and exchanging facility will charge or exchange it.

It can be seen that the automatic authorization method of the present invention can not only simplify the authentication process of the electric vehicle by the charging and exchanging facilities, but also prevent the charging and exchanging facilities from being stolen due to the loss of the authentication certificate, which greatly improves the charging and exchanging facilities of users. battery swap experience.

Scheme 1, an automatic authentication method based on distance activation, characterized in that the method comprises the following steps:

Get the position of the first target and the second target;

determining the distance between the first target and the second target according to the positions of the first target and the second target;

comparing the distance with a set threshold;

Activate the authentication module when the distance is less than or equal to the threshold;

The first target is authenticated by the authentication module.

Solution 2. The automatic authentication method based on distance activation according to solution 1, wherein the authentication module is arranged on the second target.

Solution 3. The automatic authentication method based on distance activation according to solution 1, wherein the authentication module includes a first authentication module disposed on the first target.

Solution 4. The automatic authentication method based on distance activation according to solution 3, wherein the authentication module further includes a second authentication module disposed on the second target.

Scheme 5. The automatic authentication method based on distance activation according to scheme 2, wherein the step of "authenticating the first target by the authentication module" further comprises:

The authentication module sends authentication invitation information to the first target;

The first target sends authentication request information to the authentication module when receiving the authentication invitation information;

The authentication module matches the authentication request information with the pre-stored legal authentication information, and judges whether the authentication request of the first target should be passed according to the matching result.

Scheme 6. The automatic authentication method based on distance activation according to scheme 4, wherein the step of "authenticating the first target by the authentication module" further comprises:

The first authentication module sends authentication request information to the second authentication module;

The second authentication module matches the authentication request information with the pre-stored legal authentication information and judges whether the authentication request of the first target should be passed according to the matching result.

Scheme 7. The automatic authentication method based on distance activation according to scheme 5, wherein the step of "the authentication module sends authentication invitation information to the first target" further comprises: the authentication module Send authentication invitation information to the first target through wireless communication or wired communication; and/or

The step of "the first target sends the authentication request information to the authentication module" further includes: the first target sends the authentication request information to the authentication module through wireless communication or wired communication.

Solution 8. The automatic authentication method based on distance activation according to solution 7, wherein the wireless communication mode includes WIFI, Bluetooth or ZIGBEE.

Solution 9. The automatic authentication method based on distance activation according to solution 7, wherein the wired communication mode includes power line carrier communication.

Scheme 10. The automatic authentication method based on distance activation according to Scheme 6, wherein the step of "sending the first authentication module to the second authentication module with authentication request information" further comprises: The first authentication module sends authentication request information to the second authentication module through wireless communication or wired communication.

Solution 11. The automatic authentication method based on distance activation according to solution 10, wherein the wireless communication mode includes WIFI, Bluetooth or ZIGBEE.

Solution 12. The automatic authentication method based on distance activation according to solution 10, wherein the wired communication mode includes power line carrier communication.

Solution 13: The automatic authentication method based on distance activation according to any one of solutions 1 to 12, wherein the first target is an object to be charged and replaced.

Solution 14. The automatic authentication method based on distance activation according to solution 13, wherein the second target is a charging and replacing facility.

Solution 15: The automatic authentication method based on distance activation according to solution 14, wherein the objects to be charged and replaced include electric vehicles, electric bicycles, and electric motorcycles.

Solution 16: The automatic authentication method based on distance activation according to solution 15, wherein the charging and swapping facilities include a DC charging pile, an AC charging pile, a DC charger, an AC charger or a mobile charging vehicle.

Scheme 17, an automatic authentication system based on distance activation, characterized in that the system comprises:

a positioning module, configured to acquire the positions of the first target and the second target and determine the distance between the first target and the second target according to the positions of the first target and the second target;

a control module that compares the distance with a set threshold, and activates an authentication module when the distance is less than or equal to the threshold;

The authentication module and the automatic authentication system can authenticate the first target through the authentication module.

Solution 18. The automatic authentication system based on distance activation according to solution 17, wherein the authentication module is arranged on the second target.

Solution 19. The automatic authentication system based on distance activation according to solution 17, wherein the authentication module includes a first authentication module disposed on the first target.

Solution 20. The automatic authentication system based on distance activation according to solution 19, wherein the authentication module further includes a second authentication module disposed on the second target.

Scheme 21. The automatic authentication system based on distance activation according to scheme 18, characterized in that in the process of authenticating the first target, the authentication module sends the authentication to the first target Invitation information, the first target sends authentication request information to the authentication module when receiving the authentication invitation information, and then the authentication module combines the authentication request information with the pre-stored legal authentication information Matching is performed and according to the matching result, it is judged whether the authentication request of the first target should be passed.

Scheme 22. The automatic authentication system based on distance activation according to scheme 20, wherein in the process of authenticating the first target, the first authentication module authenticates the second The module sends authentication request information, and the second authentication module matches the authentication request information with pre-stored legal authentication information and judges whether the authentication request of the first target should be passed according to the matching result.

Scheme 23. The automatic authentication system based on distance activation according to scheme 21, wherein the authentication module sends authentication invitation information to the first target through wireless communication or wired communication; and/or

The first target sends authentication request information to the authentication module through wireless communication or wired communication.

Solution 24: The automatic authentication system based on distance activation according to solution 23, wherein the wireless communication mode includes WIFI, Bluetooth or ZIGBEE.

Solution 25: The automatic authentication system based on distance activation according to solution 23, wherein the wired communication mode includes power line carrier communication.

Scheme 26. The automatic authentication system based on distance activation according to scheme 22, wherein the first authentication module sends the authentication request information to the second authentication module through wireless communication or wired communication .

Solution 27: The automatic authentication system based on distance activation according to solution 26, wherein the wireless communication mode includes WIFI, Bluetooth or ZIGBEE.

Solution 28. The automatic authentication system based on distance activation according to solution 26, wherein the wired communication mode includes power line carrier communication.

Solution 29: The automatic authentication system based on distance activation according to any one of solutions 17 to 28, wherein the first target is an object to be charged and replaced.

Solution 30. The automatic authentication system based on distance activation according to solution 29, wherein the second target is a charging and replacing facility.

Solution 31: The automatic authentication system based on distance activation according to solution 30, wherein the objects to be charged and replaced include electric vehicles, electric bicycles, and electric motorcycles.

Solution 32: The automatic authentication system based on distance activation according to solution 31, wherein the charging and swapping facilities include DC charging piles, AC charging piles, DC chargers, AC chargers or mobile charging vehicles.

Description of drawings

FIG. 1 is a flow chart of the steps of the automatic authentication method based on distance activation of the present invention.

Detailed ways

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principle of the present invention, and are not used to limit the protection scope of the present invention. For example, although the description takes the charging of an electric vehicle as an example to describe the automatic authentication method of the present invention, it is obvious that the method of the present invention is also applicable to other authentication occasions, and those skilled in the art can make adjustments to the application scenarios as needed , which does not deviate from the basic principle of the present invention, and therefore also falls within the protection scope of the present invention.

The automatic authentication system based on distance activation of the present invention includes a positioning module, an authentication module and a control module. The positioning module is used to obtain the positions of the first target and the second target, and then determine the distance between the first target and the second target according to the positions of the first target and the second target. In a preferred embodiment, the first target is a mobile terminal, such as an electric vehicle, the real-time position of which can be obtained through a positioning module. However, the second target is a fixed terminal, such as a charging pile, the position of which can be acquired in real time through the positioning module, or can be stored in advance and called directly by the positioning module. Therefore, the "acquisition" in this application should be understood in a broad sense, which may be the acquisition of the real-time position of the moving target, or the direct or indirect call of the pre-stored position of the fixed target. In addition, the positioning module can be either a part of the existing system, such as the positioning module of the existing vehicle navigation system, or a separate device independent of the existing system, and the changes and adjustments in this respect do not deviate from the present invention. The basic principle, therefore, will also fall within the scope of protection of the present invention.

The control module can communicate with the positioning module and the authentication module respectively, and the control module is used to compare the distance between the first target and the second target with a set threshold, and activate when the distance is less than or equal to the set threshold Authentication module. Similarly, in physical form, the control module can either be a part of the existing system, such as the vehicle VCU itself or its sub-modules, or it can be a dedicated device independent of the existing system.

The authentication module is used to authenticate the first target. When the authentication module is activated, the second target authenticates the first target through the authentication module. Further, when the authentication request information of the first target collected by the authentication module matches the pre-stored legal authentication information, the second target provides authorization to the first target.

Further, the authentication module preferably includes a first authentication module and a second authentication module. Wherein, the first authentication module is arranged on the first target, and the second authentication module is arranged on the second target. When the distance between the first target and the second target is less than or equal to the set threshold, the first authentication module and the second authentication module are activated at the same time (or the control module activates one authentication module first, and then the first authentication module is activated by the first authentication module. The authentication module activates another authentication module), and the first authentication module sends authentication request information to the outside, and the second authentication device matches the pre-stored legal authentication information after receiving the authentication request information, Then, according to the matching result, it is judged whether the second target should pass the authentication request of the first target. Similar to the positioning module and the control module, the first authentication module and the second authentication module can be implemented in combination with the existing system, or can be set as dedicated modules.

Alternatively, those skilled in the art can also set an authentication module (such as the above-mentioned second authentication module) only on the second target as required. When the distance between the first target and the second target is less than or equal to the set threshold, the second authentication module is activated, and sends authentication invitation information to the outside. When the first target receives the authentication invitation information, it sends the authentication request information to the second authentication module; the second authentication module matches the authentication request information with the pre-stored legal authentication information and judges whether it should pass the first authentication request according to the matching result. An authentication request for a target.

Furthermore, those skilled in the art can also set an authentication module (such as the above-mentioned first authentication module) only on the first target as required. When the first authentication module is activated, the first authentication module directly sends out authentication request information. When the second target receives the authentication request information, it matches the pre-stored legal authentication information, and then judges whether the second target should pass the authentication request of the first target according to the matching result.

In a preferred embodiment of the present invention, the first target is an object to be charged and exchanged, and specifically, the object to be charged and exchanged may be an electric vehicle, an electric bicycle, or the like. The second goal is a charging and exchanging facility. Specifically, the charging and exchanging facility may be a DC charging pile, an AC charging pile, a DC charger, an AC charger, a mobile charging vehicle, and the like. Therefore, the authorization of the second target to the first target is that the charging and swapping facility performs charging or power-swapping authorization for the object to be charged and swapped, for example, the charging pile authorizes the charging of the electric vehicle, or the mobile charging vehicle authorizes the charging of the electric vehicle.

The automatic authentication method based on distance activation of the present invention will be described in detail below with reference to the accompanying drawings and in conjunction with a charging pile and an electric vehicle.

As shown in FIG. 1, the automatic authentication method based on distance activation of the present invention mainly includes: step S110, obtaining the positions of the charging pile and the electric vehicle; step S120, determining the relationship between the charging pile and the electric vehicle according to the positions of the charging pile and the electric vehicle step S130, compare the distance with the set threshold; step S140, activate the authentication module when the distance is less than or equal to the set threshold; step S150, authenticate the electric vehicle through the authentication module .

Specifically, in step S110, the location of the charging pile and the electric vehicle is acquired through the positioning module. As mentioned above, the "acquisition" here can be either real-time positioning—for example, for electric vehicles, or a call to a pre-stored location—for example, for charging piles.

Specifically, in step S120, the positioning module determines the distance between the charging pile and the electric vehicle according to the position obtained in step S110. Alternatively, those skilled in the art can also calculate the real-time distance between the charging pile and the electric vehicle through other functional modules or functional units, such as a control module, according to the positions of the charging pile and the electric vehicle.

Specifically, in step S130, the real-time distance obtained in step S120 is compared with a set threshold. It should be noted that, for the threshold, those skilled in the art can set it according to the actual situation or security requirements, for example, the threshold can be 5m, 10m, 20m, and so on. It should be further noted that the value of this threshold should not be too large, to avoid frequent authentication of passing legal electric vehicles by the charging pile; the value of this threshold should not be too small, to avoid that when the electric vehicle approaches the charging pile, the charging pile will The electric vehicle is not authorized, which affects the user's charging experience.

Specifically, in step S140, when the real-time distance is less than or equal to the set threshold, the control module activates the authentication module; when the real-time distance is greater than the set distance, the control module keeps the authentication module in a standby or off state . The technical effect of this setting is that even if others illegally steal the authentication key and initiate an authentication request to the authentication module on the charging pile, if there is no legally registered electric vehicle near the charging pile, the authentication module will remain inactive so that illegal EVs cannot pass authentication and therefore cannot be charged.

Furthermore, in addition to using the above-mentioned positioning module, the method of determining that the real-time distance between the charging pile and the electric vehicle is less than or equal to the set threshold can also be determined by infrared, ultrasonic, laser, dual-camera and other distance determination modules. It can be understood by those skilled in the art that the control module, the positioning module and other forms of distance determination modules can be installed on the electric vehicle or the charging pile, or can be installed at a remote end, such as a background server or a cloud server superior.

Specifically, in step S150, the charging pile authenticates the electric vehicle through the authentication module. Preferably, the authentication module includes a first authentication module and a second authentication module. Wherein, the first authentication module is set on the electric vehicle, and the second authentication module is set on the charging pile. When the distance between the charging pile and the electric vehicle is less than or equal to the set threshold, the first authentication module and the second authentication module are activated at the same time (or one authentication module is activated first, and then the first authentication module is activated by the first authentication module). module to activate another authentication module), and the first authentication module sends the authentication request information to the outside, and the second authentication device matches the pre-stored legal authentication information after receiving the authentication request information, and then according to The matching result determines whether the charging pile should pass the authentication request of the electric vehicle.

Those skilled in the art can also set an authentication module (such as the above-mentioned second authentication module) only on the charging pile as required. When the distance between the charging pile and the electric vehicle is less than or equal to the set threshold, the second authentication module is activated and sends authentication invitation information to the outside. When the electric vehicle receives the authentication invitation information, it sends the authentication request information to the second authentication module; the second authentication module matches the authentication request information with the pre-stored legal authentication information and judges whether it should pass the electric vehicle according to the matching result. authentication request.

Those skilled in the art can also only set an authentication module (such as the above-mentioned first authentication module) on the electric vehicle as required. When the first authentication module is activated, the first authentication module directly sends out authentication request information. When the charging pile receives the authentication request information, it matches the pre-stored legal authentication information, and then judges whether the charging pile should pass the authentication request of the electric vehicle according to the matching result.

In a preferred embodiment, the above-mentioned sending and receiving of the authentication invitation information and/or the authentication request information may be performed by wireless communication or wired communication. The wireless communication method may be, for example, WIFI, Bluetooth, or ZIGBEE, etc., and the wired communication method may be, for example, power line carrier communication (PLC) and the like. In addition, the content of the authentication invitation information and the authentication request information can be flexibly set as required. As an example, the authentication invitation information may include relevant parameters of the charging pile and the charging inquiry information confirmed by the electric vehicle, etc., and the authentication request information may include but not limited to the frame number (VIN code), engine number (motor number) of the electric vehicle. ), battery number, special identification code preset and stored in the electric vehicle, or other numbers that can identify the identity of the electric vehicle, etc. Changes and adjustments to the information content do not deviate from the basic principles of the present invention, and therefore also fall within the protection scope of the present invention.

Further, in order to execute the method of the present invention, a legal electric vehicle needs to be registered and authenticated in advance in the charging pile or a background database or cloud database capable of communicating with the charging pile, which is the default premise of the technical solution of the present invention. In other words, the technical solution of the present invention only judges the distance between the legally registered electric vehicle and the charging pile, because other electric vehicles have no communication connection with the system of the present invention, the system of the present invention does not need and cannot judge the distance between the electric vehicle and the charging pile the distance between. In addition, depending on the installation location of the authentication device, the above-mentioned operation of receiving the authentication request can be performed either at the charging pile or at the remote end. Furthermore, the above matching and judging operations can also be performed at the charging pile by the second authentication module, or at the remote end by a background server or the like.

Further, in a preferred embodiment of the present invention, the electric vehicle is provided with an authentication device that can interact with the authentication module on the charging pile for authentication information. On-board smart terminals, mobile phones and other devices on the car. Alternatively, those skilled in the art can also use other devices that are not easily lost and are not easily used by others as the authentication device as required.

It is worth mentioning that when the specific electric vehicle is the subject of legal registration and authentication in advance, in step S140, when the real-time distance between the electric vehicle and the charging pile is less than the set distance threshold, the charging pile can be directly activated. Provides authorization for electric vehicles to simplify the authentication process.

So far, the technical solutions of the present invention have been described with reference to the preferred embodiments shown in the accompanying drawings, however, those skilled in the art can easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (32)

1. An automatic authentication method based on distance activation, characterized in that the method comprises the following steps:

acquiring the positions of a first target and a second target, specifically comprising: the position of the first target is obtained in real time through a positioning module, the position of the second target is obtained in real time through the positioning module, or the position of the second target which is stored in advance is called through the positioning module; the first target is legally registered and authenticated;

determining a distance between the first target and the second target according to the positions of the first target and the second target;

comparing the distance with a set threshold;

activating an authentication module when the distance is less than or equal to the threshold;

authenticating the first target through the authentication module, specifically including: the authentication module matches the authentication request information of the first target with prestored legal authentication information and judges whether the authentication request of the first target should be passed according to the matching result;

the authentication request information is information that the first target sends to the authentication module according to the authentication invitation information sent by the authentication module after being activated, or the authentication request information is information that the authentication module outputs after being activated.

2. The distance activation-based automatic authentication method as claimed in claim 1, wherein said authentication module is disposed on said second target.

3. The distance activation-based automatic authentication method as claimed in claim 1, wherein said authentication module comprises a first authentication module provided on said first object.

4. The distance-activation-based automatic authentication method as recited in claim 3, wherein the authentication module further comprises a second authentication module disposed on the second target.

5. The distance-activation-based automatic authentication method as claimed in claim 2, wherein the step of authenticating the first object by the authentication module further comprises:

the authentication module sends authentication invitation information to the first target;

the first target sends authentication request information to the authentication module when receiving the authentication invitation information;

and the authentication module matches the authentication request information with pre-stored legal authentication information and judges whether the authentication request of the first target should be passed or not according to a matching result.

6. The distance-activation-based automatic authentication method as claimed in claim 4, wherein the step of authenticating the first object by the authentication module further comprises:

the first authentication module sends authentication request information to the second authentication module;

and the second authentication module matches the authentication request information with pre-stored legal authentication information and judges whether the authentication request of the first target should be passed or not according to a matching result.

7. The automatic authentication method based on distance activation according to claim 5, wherein the step of the authentication module sending authentication invitation information to the first target further comprises: the authentication module sends authentication invitation information to the first target in a wireless communication mode or a wired communication mode; and/or

The step of the first target sending authentication request information to the authentication module further comprises: and the first target sends authentication request information to the authentication module in a wireless communication mode or a wired communication mode.

8. The method of claim 7, wherein the wireless communication means comprises WIFI, Bluetooth or ZIGBEE.

9. The automatic authentication method based on distance activation according to claim 7, wherein the wired communication means comprises power line carrier communication.

10. The distance-activation-based automatic authentication method according to claim 6, wherein the step of the first authentication module sending authentication request information to the second authentication module further comprises: and the first authentication module sends authentication request information to the second authentication module in a wireless communication mode or a wired communication mode.

11. The method of claim 10, wherein the wireless communication means comprises WIFI, bluetooth or ZIGBEE.

12. The automatic authentication method based on distance activation according to claim 10, wherein the wired communication means comprises power line carrier communication.

13. The automatic authentication method based on distance activation according to any one of claims 1 to 12, wherein the first target is an object to be charged.

14. The automatic authentication method based on distance activation according to claim 13, wherein the second target is a charging and battery replacing facility.

15. The automatic authentication method based on distance activation according to claim 14, wherein the objects to be charged comprise electric cars, electric bicycles and electric motorcycles.

16. The automatic authentication method based on distance activation according to claim 15, wherein the charging and replacing facility comprises a dc charging pile, an ac charging pile, a dc charger, an ac charger or a mobile charging vehicle.

17. An automatic authentication system activated based on distance, the system comprising:

the positioning module is used for acquiring the positions of a first target and a second target and determining the distance between the first target and the second target according to the positions of the first target and the second target;

a control module that compares the distance with a set threshold and activates an authentication module when the distance is less than or equal to the threshold;

the authentication module, the automatic authentication system can authenticate the first target through the authentication module, and the method specifically includes: the authentication module matches the authentication request information of the first target with prestored legal authentication information and judges whether the authentication request of the first target should be passed according to the matching result; the authentication request information is information sent by the first target to the authentication module according to the authentication invitation information sent by the authentication module after being activated, or the authentication request information is information output by the authentication module after being activated;

the positioning module is further used for acquiring the position of the first target in real time and acquiring the position of the second target in real time or calling the position of the second target which is stored in advance;

the first target is legally registered and authenticated.

18. The distance activation based automatic authentication system as recited in claim 17, wherein the authentication module is disposed on the second target.

19. The distance activation-based automatic authentication system as recited in claim 17, wherein the authentication module comprises a first authentication module disposed on the first object.

20. The distance activation-based automatic authentication system as recited in claim 19, wherein the authentication module further comprises a second authentication module disposed on the second object.

21. The distance activation based automatic authentication system as claimed in claim 18, wherein during the process of authenticating the first target, the authentication module sends an authentication invitation message to the first target, the first target sends an authentication request message to the authentication module when receiving the authentication invitation message, and then the authentication module matches the authentication request message with the pre-stored legal authentication message and determines whether the authentication request of the first target should be passed according to the matching result.

22. The distance-activation-based automatic authentication system as claimed in claim 20, wherein during the authentication of the first target, the first authentication module sends an authentication request message to the second authentication module, and the second authentication module matches the authentication request message with the pre-stored legal authentication information and determines whether the authentication request of the first target should be passed according to the matching result.

23. The automatic authentication system based on distance activation according to claim 21, wherein the authentication module sends authentication invitation information to the first target through wireless communication or wired communication; and/or

And the first target sends authentication request information to the authentication module in a wireless communication mode or a wired communication mode.

24. The automatic authentication system based on distance activation according to claim 23, wherein the wireless communication means comprises WIFI, bluetooth or ZIGBEE.

25. The automatic authentication system based on distance activation according to claim 23, wherein said wired communication means comprises power line carrier communication.

26. The automatic authentication system based on distance activation according to claim 22, wherein the first authentication module sends authentication request information to the second authentication module through wireless communication or wired communication.

27. The automatic authentication system based on distance activation according to claim 26, wherein the wireless communication means comprises WIFI, bluetooth or ZIGBEE.

28. The automatic authentication system based on distance activation according to claim 26, wherein said wired communication means comprises power line carrier communication.

29. The automatic authentication system based on distance activation according to any of the claims 17 to 28, wherein the first target is an object to be charged.

30. The automatic authentication system based on distance activation according to claim 29, wherein the second target is a charging and battery replacing facility.

31. The automatic authentication system based on distance activation according to claim 30, wherein the objects to be charged comprise electric cars, electric bicycles and electric motorcycles.

32. The distance activation based automatic authentication system according to claim 31, wherein the charging and replacing facility comprises a dc charging post, an ac charging post, a dc charger, an ac charger or a mobile charging vehicle.

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