KR102110046B1 - Intelligent vehicular electronic key system - Google Patents

Abstract

The intelligent vehicle electronic key system includes a cloud server, a first user device, a second user device, and a vehicle control unit. The vehicle control unit is installed inside the vehicle and is connected to the cloud server via the Internet. When the electronic key sharing information is activated, the first user device sends an electronic key information link to the second user device. After activating the electronic key information link, the second user device sends an authorization authentication request to the cloud server and receives an access confirmation from the cloud server. The second user device further activates the vehicle control function and transmits the vehicle control signal to the vehicle control unit through the cloud server so that the vehicle control unit controls the operation of the vehicle. Therefore, the sharing access authority of the electronic key improves the operational convenience of the vehicle.

Description

Intelligent vehicle electronic key system {INTELLIGENT VEHICULAR ELECTRONIC KEY SYSTEM}

The present invention relates to an electronic key system, and more particularly, to an intelligent vehicle electronic key system.

Typically, the owner places the vehicle parked to access the vehicle or entrust the vehicle key to an authorized person, so that the owner of the vehicle can authorize (approval) the vehicle to another person at a location different from the owner's location. Can go with them. Upon vehicle return, the vehicle key must also be returned to the owner. Thus, the key handover process not only consumes the time of the owner and authorized persons, but also poses an unexpected risk to key storage and operational security.

The object of the present invention is the time spent by a vehicle owner and a person authorized (certified) to use a physical vehicle key during the key transfer process, and the unexpected risk arising from key storage and operational safety. It is to provide an intelligent vehicle electronic key system to solve the problem.

To achieve the above object, the intelligent vehicle electronic key system includes a cloud server, a first user device, a second user device and a vehicle control unit.

The first user device has a wireless network connection function, and is connected to the cloud server through the Internet.

The second user device has a wireless network access function and is connected to the cloud server via the Internet.

The vehicle control unit is installed inside the vehicle, has a wireless network connection function, and is connected to a cloud server through the Internet.

After activating the electronic key sharing function, the first user device sends an electronic key information link to the second user device, and after activating the electronic key information link, the second user device requests an access right After sending (access privilege request) to the cloud server, and the cloud server responds (replies) to the second user device to confirm the access, the second user device activates the vehicle control function so that the vehicle control unit controls the operation of the vehicle. The vehicle control signal is transmitted to the vehicle control unit through the cloud server.

Given the above-mentioned intelligent vehicle electronic key system, the first user device, the second user device and the vehicle control unit are interconnected via a cloud server and the Internet to achieve sharing of the access rights of the electronic key in terms of control and operation of the vehicle. And sharing access rights can improve convenience and security.

To achieve the above object, the intelligent vehicle electronic key system includes a cloud server, a first user device, a second user device and a vehicle control unit.

The first user device has a wireless network connection function, and is connected to the cloud server through the Internet.

The second user device has a wireless network access function and a near-field connection function, and is connected to the cloud server through the Internet.

The vehicle control unit is installed inside the vehicle, has a wireless network connection function and a near field connection function, is connected to a cloud server via the Internet, and at least one first key information set is built in.

After activating the electronic key sharing function, the first user device sends an electronic key information link to the second user device, and after activating the electronic key information link, the second user device sends an access permission request to the cloud server And, after the cloud server responds to the second user device to confirm the access and the second key information, the second user device sends a second key authentication request to the vehicle control unit, and the vehicle control unit After authenticating the second key information accurately with at least one first key information set, the access confirmation is responsive to the second user device, and the second user device activates the vehicle control function so that the vehicle control unit can operate the vehicle. A vehicle control signal is transmitted to the vehicle control unit to control.

When the aforementioned intelligent vehicle electronic key system is provided, the second user device can be connected to the vehicle control unit through a near field connection, and the second key information acquired from the cloud server is the first key information in the vehicle control unit Is certified as After the second key information is correctly authenticated by the first key information, the second user device can perform control over the vehicle, thereby achieving the sharing of access rights of the electronic key in terms of control and operation of the vehicle and Sharing access rights can improve convenience and security. Further, when the vehicle control unit cannot connect to the cloud server via the Internet, the second user device can be operated to control the vehicle.

Other objects, advantages and novel features of the present invention will become more apparent from the following detailed description in conjunction with the accompanying drawings.

According to the present invention, the above-described object can be achieved.

1 is a schematic diagram showing the system structure of an intelligent vehicle electronic key system according to the present invention.
2A is a sequence diagram showing a first type of operation for sharing access rights to a vehicle electronic key according to the present invention.
2B is a sequence diagram showing a second type of operation for sharing access rights to a vehicle electronic key according to the present invention.
3 is a sequence diagram showing the detailed operation of the vehicle key of FIG. 2A.
4A is a schematic diagram of a first user interface showing a first owner action according to the present invention.
4B is a schematic diagram showing a second owner operation of the first user interface of FIG. 4A.
4C is a schematic diagram showing a third owner operation of the first user interface of FIG. 4A.
4D is a schematic diagram showing a fourth owner operation of the first user interface of FIG. 4A.
5A is a schematic diagram of a second user interface showing a first authorized operation according to the present invention.
5B is a schematic diagram illustrating a second authentication operation of the second user interface of FIG. 5A.
6 is a schematic diagram illustrating a third authentication operation of the second user interface of FIG. 5A.
7 is a schematic diagram showing another system structure of an intelligent vehicle electronic key system according to the present invention.
8 is a sequence diagram showing a third type of operation for sharing access rights to a vehicle electronic key according to the present invention.
9 is a flowchart of establishing first key information using the vehicle control unit of the intelligent vehicle electronic key system of FIG. 1.
10A is a schematic diagram illustrating a fifth owner operation of the first user interface of FIG. 4A.
10B is a schematic diagram illustrating a fourth authentication operation of the second user interface of FIG. 5A.
10C is a schematic diagram illustrating a fifth authentication operation of the second user interface of FIG. 5A.
10D is a schematic diagram illustrating a sixth authentication operation of the second user interface of FIG. 5A.

Referring to Figure 1, the intelligent vehicle electronic key system according to the present invention, a first user device (11, first user device), a second user device (12, second user device), a cloud server (13, cloud server) and It includes a vehicle control unit (21, vehicle control unit). The cloud server 13 may be a cloud-based server host. The vehicle control unit 21 is installed inside the vehicle 20. Considering a clear illustration of the connectivity between the vehicle control unit 21 and the cloud server 13, the vehicle control unit 21 located outside the vehicle 20 of FIG. 1 is not essential and is of interest will be.

The first user device 11 and the second user device 12 are portable electronic devices such as smart phones, tablet personal computers (PCs), laptop computers, personal digital assistants (PDAs), smart watches or smart glasses, or wearable Electronic devices may be wearable electronic devices, but are not limited thereto. Any mobile electronic device with wireless network connectivity, portability or wearability can be considered as the first user device 11 or the second user device 12. The wireless network access function can be implemented by a wireless network module that conforms to a Wi-Fi, ZigBee, 3G, 3.5G, 4G or higher mobile standard and embedded in the first user device 11 or the second user device 12. have.

The first user device 11, the second user device 12, and the vehicle control unit 21 are wirelessly connected to the cloud server 13 via the Internet or other network to communicate with each other and wirelessly therebetween. Communication will be described in detail later in connection with FIGS. 2 and 3.

Given a practical example for describing the technical solution of the present invention, the owner of the vehicle 20 requests his friend or family member to move the vehicle 20 from another place to a designed location. The owner is the first user who owns the first user device 11. A friend or family member is a second user who owns the second user device 12.

When the first user (i.e., the owner) activates the electronic key sharing function through the first user device 11, the first user device 11 may display the second user device ( 12). After operating the second user device 12 to open the electronic key information link, the second user operates the second user device 12 to activate the vehicle control function to transmit the vehicle control signal to the cloud server 13 To send. The cloud server 13 sends a vehicle control signal to the vehicle control unit 21 so that the vehicle control unit 21 controls the operation of the vehicle 20.

2A and 4A to 4B, the first user performs an electronic key application through the first user device 11. 4A, the first user device 11 has a first display screen 15. When the first user executes the electronic key application, the first user interface (16, first user interface) is displayed on the first display screen 15 of the first user device 11 to operate the electronic key application. As a function (role). When attempting to share the access authority for the electronic key with the second user, the first user performs an electronic key sharing function (S11) displayed on the first user interface 16. In this embodiment, the electronic key sharing function indicated by 160 is displayed in the upper right corner of the first user interface 16. In the present invention, functions performed on the user interface are implemented as "press key", "button", "scroll bar control", "text box", etc., and are selectively provided according to the operation function. For example, if you want to enable or disable the electronic key sharing function, the first user can operate the elements on the first user interface 16 with respect to "scroll bar control", and the electronic If you want to change the default name of the key, the user can operate the elements on the first user interface 16 in relation to the "text box" and the like. The operation related to the electronic key can then be expressed by a corresponding actual operation such as "press key", "button", "scroll bar control", "text box" on the first user interface 16 or literally "function". However, it is not limited thereto.

When the first user selects to perform the electronic key sharing function 160, a picture on the first user interface 16 corresponding to the electronic key application is shown in FIG. 4B. As shown in FIG. 4B, the electronic key application includes an electronic key function (161) and an instant location function (162). When the first user selects the instantaneous location function 162, the first user interface 16 displays coordinates and location information of the parking location of the vehicle 20. For example, on another user interface that is further activated on the first display screen 15, such as the first user interface 16 or the web-based interface, the instant parking location information of the vehicle 20 is It may appear through digital maps, street view information, satellite images or text, but is not limited thereto. That is, when the first user selects the instantaneous location function 162, a vehicle searching function for the first user is performed. The coordinate information of the instantaneous parking position of the vehicle corresponds to the coordinate information of the vehicle control unit 21 inside the vehicle 20. One feasible solution, including but not limited to the implementation of the instantaneous location function 162, is proposed as follows. The vehicle control unit 21 maintains a connection with the cloud server 13 via the Internet, and the vehicle control unit 21 can continuously transmit the coordinate information to the cloud server 13. As such, when the first user device 11 requests coordinate information of the vehicle 20 through the cloud server 13, the cloud server 13 allows the first user to instantaneously park the parking location of the vehicle 20. location) to allow the first user device 11 to recognize the coordinate information of the vehicle control unit 21.

After selecting the electronic key function 161, the first user can share an electronic key access privilege with a friend by generating an electronic key (eKey). You can choose After the first user selects the key sharing function 163, an image on the first user interface 16 corresponding to the electronic key application is shown in FIG. 4C. As shown in FIG. 4C, the electronic key application further includes a privilege sharing function (164). After the first user selects the key sharing function 163, the default state of the authority sharing function is enabled, and the first user interface 16 has a name, authority, and remaining time for sharing an electronic key that can be shared with friends. Also displays. For example, as shown in FIG. 4C, when an electronic key is generated, the default remaining time for name and sharing of the default electronic key is "ekey1", which may be 1 hour, but is not limited thereto.

In addition, when the user wants to revoke the access right of the electronic key, the first user selects or switches the privilege sharing function (164, privilege-sharing function) from the enabled state to the disabled state. So that the second user no longer has access to the electronic key. That is, even if the second user receives the electronic key, the electronic key is invalid for operation.

In addition, when the access authority of the electronic key is to be shared with others, the access authority of the electronic key is increased so that the first user increases the number of users other than the second user, as shown in FIG. The description of being able to select the key sharing function 163 on one user interface 16 again for sharing is not described in detail herein.

When the name of the electronic key shown in FIG. 4C is selected, the selected electronic key is constructed and the access authority of the electronic key is transmitted. Upon selection of the electronic key, the first user interface 16 displays an image corresponding to FIG. 4D. 4D, the electronic key application includes a name setting function (165, name setting function), an effective time setting function (166, effective time setting function), a location sharing function (167, location sharing function), and a remark function. (168, remark function), a transmission function (169, transmission function) and an activation function (170, activation function) further includes.

When the first user selects the name setting function 165, the default name of the electronic key can be changed to another more recognizable new name, especially when the access authority of the electronic key is shared by multiple people at the same time. In addition, when the first user transmits the authority sharing information to the second user, the name of the electronic key is transmitted to the second user device 12 and displayed. When the first user selects the effective time setting function 166, the time for sharing the access right can be changed. The effective time setting function 166 is configured to facilitate recognition of manipulation of operating conditions for sharing the access authority of the electronic key, a remaining time for sharing or a specified expiration time ).

When the first user selects the location sharing function 167, the coordinate information and location information of the parking location of the vehicle 20 may be transmitted in parallel with the transmission of the shared access authority information to the second user. . When selecting the remark function 168, the first user can enter text on how to use the electronic key within the first user interface 16, which is sent to the second user device 12 to control the 2 allows the first user to recognize the annotated text to see how the user is reminded by the first user to use the electronic key, which is also shown in FIG. 5B.

When selecting the transfer function 169, the first user sends a multimedia messaging service (MMS), a short message service (SMS) to transfer the shared access rights to the second user device 12 for the second user to use the electronic key. ), E-mail, communication means including communication software (e.g., LINE, WhatsApp, WeChat, Snapchat, Facebook, Messenger, Vessenger, Twitter message, etc.), and any of a similar kind can be selected, but is not limited thereto. Does not.

When selecting the activation function 170, the first user further shares access to advanced functions with the second user. For example, when the first user selects the activation function 170, the second user can operate the engine of the vehicle 20 through the second user device 12. Conversely, if the activation function 170 is not selected by the first user, the second user can only open or lock the vehicle door through the second user device 12 and no longer operate the engine of the vehicle 20 Can't. The access rights of the advanced functions may be exemplified by the above description, but is not limited thereto.

2A and 2B, when the electronic key sharing function S11 is selected, the first user, as illustrated in FIG. 4A, has previously discussed the electronic key function 161 and the instantaneous location function ( 162, instant location function), key-sharing function (163, key-sharing function), privilege sharing function (164, privilege sharing function), name setting function (165), effective time setting function (166), location sharing function (167 ) And the re-mark function 168 to selectively execute the electronic key sharing function 160. Then, the first user device 11 performs a transmission function 169 to transmit an electronic key information link (S12) to the second user device 12.

For example, when the first user device 11 transmits an electronic key information link through the Internet and the cloud server 13, web address information to be linked corresponding to the electronic key information link is used SMS, email or communication. It can be input through an operation interface for operating the software. Thus, when the electronic key information link is transmitted to the second user device 12, the electronic key information link received by the second user device 12 is web address information to be linked.

During the process of transmitting the electronic key information link from the first user device 11 to the second user device 12, hashing is introduced for preserving information integrity and authenticating identity. . For example, the original content of the electronic key information link may be processed by a cryptographic hash function, which may be, but is not limited to, SHA-512. The hashed value is obtained after the link of the electronic key information is processed by the cryptographic hash function and is then transmitted to the second user device 12. After the second user device 12 receives the hash value and the hash value is authenticated by the cloud server 13, if the hashed value is correct or equal to the value stored in the cloud server 13, the electronic key information link It means that it has not been tempered and it also proves that the second user device 12 is the correct device to share access to the electronic key. Therefore, the effect of information integrity preservation and identity authentication can be achieved, and the security of sharing access rights of the electronic key is improved (enhanced).

Referring to FIG. 5A, the second user device 12 has a second display screen 25. When the second user selects the electronic key information link, that is, web address information to be linked from the second user device 12, the second user interface 26 displays the second display screen 25 of the second user device 12 It is displayed on. The second user interface 26 is a web-based interface. When the electronic key information link S13 is clicked on the second user interface 26, the second user interface 26 displays web address information 260 to be linked on top of the web-based interface.

2A, after the electronic key information link S13 is selected from the second user device 12, the access authority of the second user device 12 is further authenticated. Specifically, after step S13, the second user device 12 transmits a privilege authentication request (S19) that can be generated by hashing the electronic key to the cloud server 13. In this embodiment, the cloud server 13 is because the first user device 11 activates the electronic key sharing function and sends an access permission request to the cloud server 13, an authorization authentication request is generated, so that the cloud server 13 ) Responds (replies) the authorization request to the first user device 11 according to the access authorization request. Then, the first user device 11 transmits the authorization request and the electronic key information link to the second user device 12 as a whole. When selecting the electronic key information link, the second user device 12 transmits an authorization request to the cloud server 13 so that the cloud server 13 authenticates the authorization request with information related to the stored authorization. If the content of the authorization authentication request is authenticated as correct by the cloud server 13, the cloud server 13 responds to the second user device 12 with an access confirmation (S1A). Thus, when the second user receives an access confirmation through the second user device 12, the second user recognizes that the second user device 12 has access. Otherwise, if the second user device 12 does not receive an access confirmation, or if the received message is not a notification for the access confirmation, this is an invalid device for the second user device 12 to access the electronic key. ).

After the second user device 12 is authenticated, the second user device 12 allows the second user device 12 to transmit the vehicle control signal S15 to the cloud server 13 via the Internet. ) On the second user interface 26 to activate the vehicle control function S14. Upon receiving the vehicle control signal, the cloud server 13 transmits the vehicle control signal S15 ′ to the vehicle control unit 21.

When the vehicle control unit 21 receives the vehicle control signal transmitted from the cloud server 13, the vehicle control unit 21 outputs a vehicle control signal to control the vehicle operation S16. In addition, the vehicle control unit 21 responds to the vehicle operation information S17 with the cloud server 13. After receiving the vehicle operation information, the cloud server 13 responds (replies) the vehicle operation information (S17 ', vehicular operation information) to the second user device 12. The second user receiving the vehicle operation information through the second user device 12 may recognize that the vehicle control unit 21 has performed a corresponding control operation with respect to the vehicle 20.

The cloud server 13 is optional and not limited, but when the vehicle operation information is responded to the second user device 12, the vehicle control notification S18 can be sent to the first user device 11, so that the The user can recognize which type of control or operation state the vehicle 20 is in by receiving the vehicle control notification.

Referring to FIG. 2B further, FIG. 2B shows a cloud server 13 before the vehicle control function S14 is activated after the cloud server 13 responds to the second user device 12 with an access confirmation (S1A). It is mainly different from FIG. 2A that the key activation notification S1B is simultaneously transmitted to the first user device 11 via the Internet when the 13 responds to the second user device 12 for the access confirmation. Thus, the first user can recognize that the second user device 12 has become a valid device for accessing the electronic key by completing authorization authentication and receiving a key activation notification.

Referring to FIG. 3, the vehicle control function activated in step S14 includes a vehicle locating function, a door unlocking function, and an engine starting function. That is, when the second user activates the electronic key information link (S13), the second user may use the vehicle location (location check) function (S141), door unlock function (S142) or engine according to the actual situation. The start function (S143) is performed.

When the second user forgets where the vehicle 20 is parked, the vehicle location function S141 is performed. The second user device 12 transmits a vehicle location request S151 to the cloud server 13 through the Internet. Since the vehicle control unit 21 is continuously connected to the cloud server 13 via the Internet, the coordinate information can be continuously transmitted to the cloud server 13. As a result, upon receiving the vehicle location request, the cloud server 13 transmits the vehicle location information S161 to the second user device 12. Therefore, the second user can acquire the coordinate information of the parking position of the vehicle 20.

Referring to FIG. 6, the second user interface 26 generated by the second display screen 25 of the second user device 12 may display location information Pc. In this embodiment, the location information of the vehicle 20 may be provided in the form of a digital map, but is not limited thereto. For example, street view information, satellite images, or text can be used to indicate location information of a parking location of the vehicle 20.

Referring to FIG. 3 further, when the second user already knows where the vehicle 20 is parked or where the vehicle is located through vehicle location information, a door unlocking function (S142) is performed. . The second user device 12 transmits a door unlock signal S152 to the cloud server 13 through the Internet. Upon receiving the door unlock signal, the cloud server 13 further transmits a door unlock signal S152 'to the vehicle control unit.

When receiving the door unlock signal transmitted from the cloud server 13, the vehicle control unit 21 outputs a control signal S162 to open the door of the vehicle 20. In addition, the vehicle control unit responds to the door unlocking operation information S172 to the cloud server 13. Upon receiving the door unlocking operation information, the cloud server 13 transmits the door unlocking operation information S172 'to the second user device 12. Accordingly, the second user can recognize that the vehicle control unit 21 has unlocked the door of the vehicle 20 by receiving the door unlocking operation information through the second user device 12.

The cloud server 13 is optional and not limited, but when the door unlocking operation information is responded to the second user device 12, the door unlocking notification is sent to the first user device 11 through the Internet (S182, door) unlocked notification) at the same time. Accordingly, the first user can recognize that the door of the vehicle 20 is controlled to the unlocked state by the vehicle control unit 21.

When the second user tries to start the engine of the vehicle 20 further, the engine starting function S143 is performed. The second user device 12 transmits an engine starting signal (S153) to the cloud server 13 via the Internet. When receiving the engine start signal, the cloud server 13 further transmits the engine start signal S153 'to the vehicle control unit 21. When receiving the engine start signal transmitted from the cloud server 13, the vehicle control unit 21 further outputs a control signal S163 for starting the engine to control the vehicle 20. In addition, the vehicle control unit responds to the engine start operation information S173 to the cloud server 13. When receiving the engine start operation information, the cloud server 13 responds to the engine start operation information S173 'to the second user device 12. Accordingly, the second user can recognize that the vehicle control unit 21 has performed the control operation to start the engine of the vehicle 20 by receiving the engine start operation information.

The cloud server 13 is optional and not limited, but engine start notification (S183, engine started notification) to the first user device 11 via the Internet when responding to engine start operation information to the second user device 12 ) At the same time. Therefore, the first user can recognize that the engine of the vehicle has been started by the vehicle control unit 21 by receiving the engine start notification.

Step S1B, S18, the steps involved in notification to as S182, or S183, the first user device 11 include, for example, cloud server (13), Google ^® cloud Messaging (GCM), Apple ^® Push Notification Service (APNS) The first user device 11 is notified via a push message, such as a push service provided by Microsoft Push Notification Service (MPNS), or other push server developed by technical personnel.

The step performed by the second user may be performed through the function shown in FIG. 5A. When the electronic key information link S13 on the second user interface 26 is activated, the vehicle control function illustrated in FIG. 5A includes a control function 261 (control function) and a location function 262 (locating function). When the second user selects the location function 262, the second user device 12 performs the vehicle location function (S141). The detailed description may refer to FIGS. 3 and 6 and corresponding descriptions, and is not repeated here.

When the second user selects the control function 261, the second user interface 26 further provides a lock / engine start function 263 and an unlock / engine block function 264. When the second user briefly clicks on the lock / engine start function 263, the second user device 12 performs a door lock function. Since it is the basic operation for the vehicle, the door lock function is not described in detail here. In addition, if the second user keeps pressing the lock / engine start function 263 for a while, the second user device 12 performs the engine start function S143. The detailed description related to the engine start function S143 may be referred to FIG. 3 and the corresponding description, and is not repeated here.

The operation related to the text input in the remark function 168 described above will be described as follows. After the first user sends the text entered in the remark function 168 to the second user device 12, the second user corresponds to the corresponding text on the second user interface 26 of the second user device 12 Can be read. The second user can further adjust the size of the text displayed on the second user interface 26 by selecting the font size reduction function 265 or the font size expansion function 266.

When the vehicle 20 is parked on the premise that the vehicle control unit 21 can be connected to the Internet smoothly, an open space, a parking tower ground, or a roadside side, the first user may provide the vehicle with access authority to the second user. The vehicle control unit 21 may be directly connected to the cloud server 13 via the Internet. The second user can control the vehicle control unit 21 by connecting to the cloud server 13 through the Internet using the second user device 12.

In a situation where the vehicle 20 is parked in an underground parking lot where the vehicle control unit 21 is not directly connected to the cloud server 13, the second user controls the vehicle control unit 21 through the cloud server 13 The second user device 12 for may not be available. To deal with this problem, despite the condition that the vehicle control unit 21 is not connected to the cloud server 13 via the Internet, thanks to the near-field connection means, the vehicle control unit 21 is It can still be connected to the second user device 12 so that it can be controlled by the second user device 12. The near-field connecting means is explained as follows in connection with the corresponding drawings.

Each of the first user device 11, the second user device 12 and the vehicle control unit 21 additionally has a near-field connection function. As illustrated in FIG. 7, the first user device 11 and the second user device 12 may be connected to the vehicle control unit 21 through a near field connection function. In addition, as shown in FIG. 1, the vehicle control unit 21 may be connected to the cloud server 13 in an environment accessible to the Internet. In particular, this near-field connection function may be implemented by a Bluetooth® module according to the Bluetooth® standard. This near-field connection function is available when the first user device 11 and the second user device 12 are located with a distance between them at a limited distance. To facilitate the description of the near-field connection function, the near-field connection may appear as a Bluetooth® connection, but is not limited thereto.

 To illustrate a technical solution to control via a near field connection, as shown in FIGS. 7 and 8, the vehicle control unit 21 contains at least one first set of key information. When the first user device 11 activates the electronic key sharing function S41A, the first display screen 15 of the first user device 11 provides an electronic key setting function, as shown in FIG. 10A. The first user interface 16A, wherein the electronic key setting function includes setting of name, valid time, link sharing, activation, and location information associated with the electronic key, and the second user device 12 through a Bluetooth connection It is connected to the vehicle control unit 21 and also includes a Bluetooth control function 171A that allows the vehicle 20 to be controlled. When the setting of the electronic key information is completed, the first user device 11 transmits the electronic key information link S42A to the second user device 12, and according to the electronic key information, the second user device 12 is a vehicle Obtain access rights to control.

After activating the electronic key information link (S43A), the second user device 12 transmits a privilege authentication request (S44A) to the cloud server 13. After confirming that the authorization request is correct, the cloud server 13 responds to the access confirmation to the second user device 12 and transmits the second key information S45A. Otherwise, if the second user device 12 does not receive an access confirmation or receives a message that is a notification independent of access rights, this means that the second user device 12 is an invalid device for accessing the electronic key do.

When responding to the access confirmation and transmitting the second key information to the second user device 12, the cloud server 13 is configured to allow the first user device to know that the second user has completed authorization authentication of the electronic key. A key activation notification (S46A) is transmitted to the user device to obtain access authority of the electronic key through the first user device 11.

The second user device 12 is connected to the vehicle control unit 21 via a Bluetooth® connection because the vehicle is not accessible to the Internet when parked in an underground parking lot. In particular, when the first user sets the electronic key information, the Bluetooth function is already activated. Thus, the second user device (12) is not also required, any Bluetooth pairing (pairing Bluetooth ^®) when connected to the vehicle 20 via a Bluetooth connection. For security, after being connected to the vehicle control unit 21, the second user device 12 transmits a second key authentication request (S51A) to the vehicle control unit 21, and controls the vehicle. The unit 21 authenticates the second key information with at least one first key information set stored in the vehicle control unit 21. If the second key information is authenticated to be the same as any one of the at least one first key information set, the vehicle control unit 21 may display the second user device 12 through the vehicle control unit 21 to the vehicle 20. Access control (S52A) to the second user device (12) to control the response. Otherwise, if the second user device 12 does not receive an access confirmation or receives a message that is a notification that is independent of access authority, the second user device 12 is called an invalid device to access the second key information. Means

The second user device 12 activates the vehicle control function S53A as shown in FIGS. 10B to 10D after obtaining the access authority for controlling the vehicle 20. The second display screen 25 of the second user device 12 provides a second user interface 26A. The second user interface 26A provides a tool bar 31A on the bottom of the second user interface 26A. The toolbar 31A includes a lock / unlock tool 311A, an engine control tool 312A, and a function setting tool 313A, which are selectable by a second user.

When the second user selects the lock / unlock tool 311A, as shown in FIG. 10B, the second user interface 26A provides a lock function, an unlock function, a timing function, and a remark function. When the second user selects the engine control tool 312A, as shown in Fig. 10C, the second user interface 26A provides an engine start function and an engine shutdown function. When the second user selects the function setting tool 313A, as shown in FIG. 10D, the second user interface 26A has a screen always on function and a device search time. setting function) and delay time setting for command transmission. The regular screen function It serves to keep the second display screen on. The device search time setting function serves to set a time required to search for a Bluetooth connection to the second user device 12. The delay time setting for command transmission serves to set a time period between two commands that are continuously transmitted to avoid command collision and command retransmission.

Referring to FIG. 8, a second user changes a state of the vehicle 20, such as a door unlocking state, according to a corresponding part of the vehicle 20 to be controlled, and controls the vehicle using a second user device 12 Is encrypted to send a vehicle control signal S54A to the vehicle control unit 21 via a Bluetooth® connection. The vehicle control unit 21 outputs a control signal for controlling the operation of the vehicle 20 according to the received vehicle control signal (S55A). After controlling the operation of the vehicle 20, the vehicle control unit 21 knows whether the vehicle control unit 21 has controlled the operation of the vehicle 20 through the second user device 12. The vehicle operation information S56A encrypted with the second user device 12 is responsive.

By obtaining the second key information through the cloud server 13 using the second user device 12 and connecting to the vehicle control unit 21 through a Bluetooth connection, the second key information is used to authenticate the vehicle control unit It can be transmitted to (21), and after the second key information is successfully authenticated, the second user device can obtain access to control the vehicle (20). Thus, in a situation where the vehicle control unit 21 cannot access the cloud server 13 via the Internet, the second user is still able to access the vehicle control unit 21 through the second user device 12 through the near field connection. Since it is possible to control the operation of the vehicle 20, this allows the second user device 12 to control the vehicle 20 even when there is no Internet, thereby further improving operation convenience.

Referring to FIG. 9, a method of generating the first key information by the intelligent vehicle electronic key system described above is illustrated.

Step S61: A first key information update request is sent from the first user device 11 to the cloud server 13 by connecting the first user device 11 to the cloud server 13 through a network. send.

Step S62: It is determined whether or not the cloud server 13 has received a connection request from the vehicle control unit 21. If affirmative, step S63 is performed. Otherwise, step S65 is performed. When located in an environment connected to the Internet, the vehicle control unit 21 may connect to the Internet through a wireless network connection, and may transmit a connection request to the cloud server 13. If the located environment is not connected to the Internet, the cloud server 13 does not receive a connection request from the vehicle control unit 21.

Step S63: The first key information is transmitted directly from the cloud server 13 to the vehicle control unit 21 via the network, and the first key information is updated and stored.

Step S64: After storing the first key information, the storage confirmation is replied from the vehicle control unit 21 to the cloud server 13.

Step S65: The first key information is transmitted from the cloud server 13 to the first user device 11.

Step S66: Pair the first user device 11 and the vehicle control unit 21 for connection via a near field connection, and transmit the first key information to the vehicle control unit 21.

Step S67: The first key information is stored in the vehicle control unit 21, and a storage confirmation is transmitted from the vehicle control unit 21 to the first user device 11. Specifically, when the first user device 11 receives the first key information, the user device is the floor where the vehicle 20 is parked so that the first user device 11 and the vehicle control unit 21 pair for connection. After moving toward (floor) and the connection is paired, the first user device 11 is connected to the vehicle control unit 21. Saving to the cloud server 13 The response confirmation from the vehicle control unit 21 is transmitted from the first user device 11 to the cloud server 13. After storing the first key information, the vehicle control unit 21 may transmit a storage confirmation to the cloud server 13 when the wireless network can be connected to the Internet.

According to the above-described method, the first key information can be generated inside the vehicle control unit 21, so that when trying to control the vehicle 20, the second user device 12 receives the second key information from the vehicle control unit The vehicle 20 is controlled to accurately authenticate the second key information with the first key information stored in the vehicle control unit 21 and then to operate safety.

In summary, the present invention has the following features and advantages.

1. Thanks to the intelligent vehicle electronic key system, the first user device 11, the second user device 12 and the vehicle control unit 21 guarantee shareable access rights using electronic keys for control and operation. It is interconnected via the Internet via an Internet connection so as to improve the operational security of the electronic key.

2. The first user or vehicle owner can share and revoke access rights of the electronic key, and configure a time setting for sharing access rights to improve operation security when using the electronic key.

3. The secure hashing algorithm calculates and transforms the transmitted electronic key information link to preserve data integrity and achieve identity authentication, thereby improving security in sharing access rights of the electronic key.

4. When performing the vehicle control function, the second user device 12 transmits a corresponding operation notification to the first user device 11 so that the first user or the vehicle owner maintains the state of the controlled vehicle. .

5. When the vehicle 20 is parked in an underground parking lot, when the second user device 12 cannot access the cloud server 13 through the Internet, near-field connection (near-field connection) It is possible to connect to the vehicle control unit 21 through, so that the control unit 21 can control the vehicle 20 to improve the operation convenience.

6. Since the second user device 12 is used to obtain the second key information that is authenticated with the first key information of the vehicle control unit 21, the second user device 12 is used under the condition that it is connected to the vehicle control unit 21 by a near field connection 2 User device 12 still needs to be authenticated by key information to maintain operational security.

Although many features and advantages of the invention have been described in the foregoing description together with a detailed description of the structure and function of the invention, the present disclosure is illustrative only. Within the principles of the present invention, details regarding the shape, size and arrangement of parts may be varied to the full extent indicated by the broad general meaning of the terms expressed in the appended claims.

Claims (14)

In the intelligent vehicle electronic key system,
Cloud server;
A first user device having a wireless network access function and connected to the cloud server through the Internet;
A second user device having a wireless network access function and connected to the cloud server through the Internet; And
A vehicle control unit installed inside the vehicle and having a wireless network access function and connected to a cloud server through the Internet; It includes,
After activating the electronic key sharing function, the first user device transmits the electronic key information link processed by the cryptographic hash function to the second user device, and after activating the electronic key information link, the second user device After sending the authorization authentication request generated by hashing to the cloud server, and after the cloud server correctly authenticates the authorization authentication request and responds to the access confirmation to the second user device, the second user device activates the vehicle control function to activate the vehicle. Intelligent, characterized in that the control unit transmits a vehicle control signal to the vehicle control unit via a cloud server to control the operation of the vehicle, wherein the vehicle control function includes a vehicle position function, a door unlock function or an engine start function Vehicle electronic key system. According to claim 1,
The first user device includes an electronic key application, and the first user device performs an electronic key application to generate a first user interface for operation of the electronic key application on the display screen of the first user device, and the electronic key The application is an intelligent vehicle electronic key system, characterized in that it provides an electronic key sharing function to enable a first user device to transmit an electronic key information link to a second user device through a cloud server. According to claim 1,
The second user device receives the electronic key information link from the cloud server via the Internet, and after the second user device activates the electronic key information link, the second user device controls the vehicle on the display screen of the second user device Generating a second user interface for displaying a function, wherein the vehicle control function is an intelligent vehicle electronic key characterized in that the second user device transmits the vehicle control signal to the vehicle control unit through the cloud server via the Internet connection. system. According to any one of claims 1 to 3,
An intelligent vehicle electronic key system, wherein the first user device transmits an electronic key information link to a second user device via a cloud server via a short message service (SMS), email and communication software. According to claim 3,
The second user interface is an intelligent vehicle electronic key system, characterized in that it is a web-based interface. delete According to claim 1,
When the second user device performs the vehicle location function, the second user device transmits the vehicle location request to the vehicle control unit through the cloud server via the Internet connection, and the vehicle control unit communicates with the cloud server via the Internet connection. Intelligent vehicle electronic key system, characterized in that for transmitting the vehicle location information to the second user device through. According to claim 1,
When performing the door unlock function, the second user device is an intelligent vehicle electronic key system, characterized in that the vehicle control unit transmits a door unlock signal to the vehicle control unit through a cloud server to unlock the door of the vehicle. According to claim 1,
When performing the engine starting function, the second user device is an intelligent vehicle electronic key system, characterized in that the vehicle control unit transmits an engine start signal to the vehicle control unit to start the engine of the vehicle. The method according to any one of claims 7 to 9,
When the second user device performs the vehicle control function, the vehicle control unit further transmits a notification for an operation corresponding to the first user device through the cloud server. In the intelligent vehicle electronic key system,
Cloud server;
A first user device having a wireless network access function and connected to the cloud server through the Internet;
A second user device having a wireless network access function and a near field access function and connected to the cloud server through the Internet; And
A vehicle control unit having a wireless network connection function and a near-field connection function, connected to a second user device via a near-field connection, built in at least one first key information set, and installed inside the vehicle; It includes,
After activating the electronic key sharing information, the first user device transmits the electronic key information link processed by the cryptographic hash function to the second user device, and after activating the electronic key information link, the second user device receives the cloud server After transmitting the authorization authentication request generated by hashing, and after the cloud server accurately authenticates the authorization authentication request and responds to the second user device, confirms access and responds to the second key information, the second user device transmits the authorization request to the vehicle control unit. Sends a 2 key authentication request, the vehicle control unit correctly authenticates the second key information with at least one first set of key information, and then responds to the second user device to confirm access, and the second user device controls the vehicle By activating, the vehicle control signal to the vehicle control unit so that the vehicle control unit controls the operation of the vehicle Transmission, where the vehicle controls are intelligent vehicle electronic key system comprising a vehicle position and door unlocking or the engine start function. The method of claim 11,
The first user device further includes a near-field access function, and transmits a first key information update request to the cloud server, and the cloud server determines whether a connection request is received from the vehicle control unit via the Internet, and when the connection request is received, The cloud server transmits the first key information to the vehicle control unit for storage, and if an access request is not received, the cloud server transmits the first key information to the first user device for storage, and through a near field connection function After pairing with the vehicle control unit to access, the first user device is an intelligent vehicle electronic key characterized in that it transmits the first key information to the vehicle control unit for storage to generate the first key information inside the vehicle control unit. system. The method of claim 12,
After storing the first key information, the vehicle control unit responds to the storage confirmation with the first user device, the intelligent vehicle electronic key system. The method of claim 12,
After storing the first key information, the vehicle control unit responds to the storage confirmation with the cloud server, an intelligent vehicle electronic key system.

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