CN-121985293-A - Method and system for assisting in positioning vehicle through door lock

CN121985293ACN 121985293 ACN121985293 ACN 121985293ACN-121985293-A

Abstract

The invention discloses a method and a system for assisting in positioning a vehicle by a door lock, wherein the method comprises the steps of adding a first multicast group for receiving a final position notification by a home door lock according to a pre-configured vehicle Bluetooth tag ID and multicast group setting, adding a second multicast group for cooperative communication between gateways by a unit door lock gateway, carrying out local recording and statistics by the connected unit door lock gateway according to a vehicle Bluetooth signal periodically detected by the unit door lock, distinguishing a single gateway from a multi-gateway scene according to a cumulative and time comparison result of cooperative notification information between the unit door lock gateways, carrying out final parking position judgment, and reading the position information of the unit door lock corresponding to the vehicle from a home door lock local storage in a near field communication mode according to a query request of an owner. By utilizing the embodiment of the invention, the accurate judgment and active notification of the final parking position of the vehicle in the district can be realized, and the vehicle searching problem of the vehicle owner is effectively solved.

Inventors

SANG SHENGWEI
XI JUAN
ZHU ZHILING
TANG JUNXIONG
DENG YEHAO
YE FEI

Assignees

浙江德施曼科技智能股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260407

Claims (10)

1. A method of door lock assisted locating a vehicle, the method comprising: The system prepares and multicast joining, wherein a first multicast group for receiving a final position notification is joined by a home door lock according to a pre-configured vehicle Bluetooth tag ID and multicast group setting, and a second multicast group for cooperative communication between gateways is joined by a unit door lock gateway; The vehicle detection and gateway cooperation is that according to the vehicle Bluetooth signal periodically detected by the unit door lock, the unit door lock gateway connected with the vehicle Bluetooth signal performs local recording and statistics, and after the preliminary condition is satisfied, the vehicle Bluetooth signal is subjected to staged cooperative notification through a second multicast group; The method comprises the steps of judging the parking position and formally notifying, namely distinguishing a single gateway from a multi-gateway scene to judge the final parking position according to the accumulated and time comparison result of cooperative notification information among the gateways of all the unit door locks, and transmitting formally-positioned notification to a home door lock through a first multicast group by a gateway with transmitting rights; And (3) inquiring and feeding back the position information, namely reading the position information of the unit door lock corresponding to the vehicle from the local storage of the home door lock in a near field communication mode according to the inquiring request of the owner, and feeding back the parking position of the vehicle by combining the map data.
2. The method of claim 1, wherein the system prepares for and multicasts joining, comprising: The label and network pre-configuration, namely configuring a vehicle-mounted Bluetooth label with a dual-role mode for a vehicle according to a property management system, and binding the ID of the vehicle-mounted Bluetooth label with vehicle information and a home door lock of an owner; the home door lock multicast subscription, according to the binding Bluetooth tag ID, the home door lock sends an extended IGMP message carrying the ID to join a first multicast group, and a router along the way establishes a multicast forwarding path taking the Bluetooth tag ID as a filtering condition; And establishing cooperative multicast among gateways, namely sending an extended IGMP message carrying a gateway mark to join a second multicast group by each unit door lock gateway according to cooperative communication requirements, and establishing a multicast forwarding path taking the gateway mark as a filtering condition by a router along the way.
3. The method of claim 2, wherein the vehicle detection cooperates with a gateway, comprising: Signal detection and suppression report, namely unicast report information comprising a tag ID, a door lock ID and a detection time point to a unit door lock gateway connected with the unit door lock after short-term traffic suppression is locally carried out when a vehicle Bluetooth tag broadcast signal is detected according to the result of continuous Bluetooth scanning of the unit door lock; the gateway local information management, namely, according to the received reporting information, a unit door lock gateway adds or updates a record corresponding to a tag ID in a vehicle-mounted Bluetooth tag information table maintained locally by the unit door lock gateway, wherein the record comprises an associated unit door lock list, a latest detection time point, a latest detection unit door lock, other gateway notification lists and own notification times; And triggering the staged collaborative notification, namely checking the preliminary notification threshold according to a preset periodicity, when the total number of door lock reporting corresponding to a certain Bluetooth tag ID exceeds the threshold, sending a staged notification message comprising a gateway mark, the Bluetooth tag ID, the latest detection time point and an associated door lock ID by a gateway through a second multicast group, and then resetting the number of times of reporting the tag ID.
4. A method according to claim 3, wherein said parking position determination and formal notification comprises: The multi-gateway cooperative judging process comprises the steps of periodically checking local records according to a unit door lock gateway, triggering multi-gateway scene judgment when a certain Bluetooth tag ID record meets that the notification times of the gateway and at least one other gateway exceed a cooperative confirmation threshold value and the latest detection time is within an effective parking judging time range, judging a unique sending right gateway by the related gateway through comparing the latest detection time point and the gateway ID; the single gateway direct judging process comprises the steps of periodically checking local records according to a unit door lock gateway, and when a certain Bluetooth tag ID record does not meet a multi-gateway cooperative judging condition, but meets the following conditions that the door lock reporting frequency is more than 0, no other gateway exists, the time of the gateway is up to date, and the latest detection time is in an effective range; And after notification, state management, namely deleting the local corresponding record and creating a notification suppression mark with timeliness by the related gateway according to the result of sending the formal notification, and canceling the suppression mark to participate in judgment again if the notification of the new gateway which is not recorded to the same label is received during the suppression period.
5. The method of claim 4, wherein the location information query and feedback comprises: Near field data reading, namely according to inquiry operation triggered by an owner on a mobile phone APP, enabling the mobile phone to be close to an NFC induction area of a home door lock, and reading a latest unit door lock ID list corresponding to a designated Bluetooth tag ID stored locally in the door lock through an NFC channel; And (3) position analysis and display, namely according to the read unit door lock ID list, the mobile phone APP is combined with preset cell unit building map data, the ID list is analyzed into specific unit building position information, and the approximate area for parking the vehicle is displayed to the owner in an APP interface.
6. The method of claim 5, further comprising a gateway cooperative interaction mechanism: The cooperative judgment and immediate response are that according to the staged notification messages received by the unit door lock gateway from other gateways, other gateway notification lists corresponding to Bluetooth tag IDs in the local records are updated first; and if the delta T is smaller than a preset collaborative judgment time window or the self time is updated and the delta T exceeds the window, the gateway is immediately triggered to also send a staged notification message so as to accelerate the formation of the consensus of the overlapped area.
7. A system for door lock assisted positioning of a vehicle, the system comprising: The joining module is used for preparing the system and joining the multicast, wherein the first multicast group for receiving the final position notification is joined by a home door lock according to the pre-configured vehicle Bluetooth tag ID and multicast group setting, and the second multicast group for cooperative communication between the gateways is joined by a unit door lock gateway; The cooperative module is used for cooperating with the gateway, and carrying out local recording and statistics by the unit door lock gateway connected with the unit door lock according to the vehicle Bluetooth signal periodically detected by the unit door lock, and carrying out staged cooperative notification by the second multicast group after the preliminary condition is met; The notification module is used for judging the parking position and formally notifying, namely distinguishing a single gateway from a multi-gateway scene to judge the final parking position according to the accumulated and time comparison result of the cooperative notification information among the gateways of the door locks of the units, and transmitting formally-positioned notification to the door locks of the families through a first multicast group by the gateway with the transmitting right; And the feedback module is used for inquiring and feeding back the position information, namely reading the position information of the unit door lock corresponding to the vehicle from the local storage of the home door lock in a near field communication mode according to the inquiring request of the owner, and feeding back the parking position of the vehicle by combining the map data.
8. The system according to claim 7, wherein the joining module is specifically configured to: The label and network pre-configuration, namely configuring a vehicle-mounted Bluetooth label with a dual-role mode for a vehicle according to a property management system, and binding the ID of the vehicle-mounted Bluetooth label with vehicle information and a home door lock of an owner; the home door lock multicast subscription, according to the binding Bluetooth tag ID, the home door lock sends an extended IGMP message carrying the ID to join a first multicast group, and a router along the way establishes a multicast forwarding path taking the Bluetooth tag ID as a filtering condition; And establishing cooperative multicast among gateways, namely sending an extended IGMP message carrying a gateway mark to join a second multicast group by each unit door lock gateway according to cooperative communication requirements, and establishing a multicast forwarding path taking the gateway mark as a filtering condition by a router along the way.
9. A storage medium having a computer program stored therein, wherein the computer program is arranged to perform the method of any of claims 1-6 when run.
10. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the method of any of claims 1-6.

Description

Method and system for assisting in positioning vehicle through door lock Technical Field The invention belongs to the technical field of intelligent door locks, and particularly relates to a method and a system for assisting in positioning a vehicle by using a door lock. Background With the continuous and deep intelligent construction of urban communities, the demands of residents on vehicle parking management convenience are increasing. Currently, most residential areas lack a means of fine location tracking and management of private vehicles after entering the cell, resulting in frequent vehicle returns facing trouble of finding vehicles, especially in large or multiple entry cells. The traditional solution is mostly dependent on deploying a fixed sensor or a camera network in a parking lot, and has the problems of high deployment cost, large coverage blind area, limited positioning precision, difficulty in direct association with daily entrance and exit behaviors (such as opening and closing a home door) of a resident and the like. Meanwhile, although the technology of carrying out coarse-grained region positioning by utilizing a Bluetooth beacon is common, the technology is usually focused on single-point detection, lacks collaborative sensing and decision-making capability in multi-node scenes such as unit buildings and the like, cannot effectively judge the final and relatively static parking region of the vehicle, and timely and actively informs corresponding households. Therefore, there is a need in the market for a vehicle assisted positioning solution that is cost-effective, flexible to deploy, and capable of natural integration with the living line of the resident, so as to fill the gap of information services from the time the vehicle enters the cell to the time the vehicle is properly parked. Disclosure of Invention The invention aims to provide a method and a system for assisting in positioning a vehicle by a door lock, which are used for solving the defects in the prior art, realizing accurate judgment and active notification of the final parking position of the vehicle in a district and effectively solving the vehicle searching problem of a vehicle owner. One embodiment of the present application provides a method of door lock assisted positioning of a vehicle, the method comprising: The system prepares and multicast joining, wherein a first multicast group for receiving a final position notification is joined by a home door lock according to a pre-configured vehicle Bluetooth tag ID and multicast group setting, and a second multicast group for cooperative communication between gateways is joined by a unit door lock gateway; The vehicle detection and gateway cooperation is that according to the vehicle Bluetooth signal periodically detected by the unit door lock, the unit door lock gateway connected with the vehicle Bluetooth signal performs local recording and statistics, and after the preliminary condition is satisfied, the vehicle Bluetooth signal is subjected to staged cooperative notification through a second multicast group; The method comprises the steps of judging the parking position and formally notifying, namely distinguishing a single gateway from a multi-gateway scene to judge the final parking position according to the accumulated and time comparison result of cooperative notification information among the gateways of all the unit door locks, and transmitting formally-positioned notification to a home door lock through a first multicast group by a gateway with transmitting rights; And (3) inquiring and feeding back the position information, namely reading the position information of the unit door lock corresponding to the vehicle from the local storage of the home door lock in a near field communication mode according to the inquiring request of the owner, and feeding back the parking position of the vehicle by combining the map data. Optionally, the system prepares for joining with multicast, including: The label and network pre-configuration, namely configuring a vehicle-mounted Bluetooth label with a dual-role mode for a vehicle according to a property management system, and binding the ID of the vehicle-mounted Bluetooth label with vehicle information and a home door lock of an owner; the home door lock multicast subscription, according to the binding Bluetooth tag ID, the home door lock sends an extended IGMP message carrying the ID to join a first multicast group, and a router along the way establishes a multicast forwarding path taking the Bluetooth tag ID as a filtering condition; And establishing cooperative multicast among gateways, namely sending an extended IGMP message carrying a gateway mark to join a second multicast group by each unit door lock gateway according to cooperative communication requirements, and establishing a multicast forwarding path taking the gateway mark as a filtering condition by a router along the way. Optionally, the vehicle detection coope