Multi-source positioning fusion multi-mode low-power anti-lost system and control method thereof

Abstract

The application discloses a multi-mode low-power loss-preventing system fusing multi-source positioning and a control method thereof, and relates to the technical field of wireless positioning.The system comprises a mode scheduling module, which is used for obtaining an operation instruction of a mobile terminal and selecting a corresponding target mode; a device standby module, which is used for reserving only a network connection configuration when the target mode is a standby mode; a device loss-preventing module, which is used for generating a first positioning signal when the target mode is a loss-preventing mode; a dynamic tracking module, which is used for generating a second positioning signal when the target mode is a tracking mode; a macro positioning module, which is used for generating an initial position coordinate, generating continuous trajectory data and recording a final position coordinate, and sending the initial position coordinate or the continuous trajectory data and the final position coordinate to the mobile terminal; and a near-field homing module, which is used for establishing a Bluetooth connection, generating a dynamic pointing arrow, and performing sound and light reminding.The application has the effects of improving the efficiency and accuracy of positioning of a loss-preventing device and reducing the power consumption of the loss-preventing device.

Description

Technical Field

[0001] This application relates to the field of wireless positioning technology, and in particular to a multi-mode low-power anti-loss system that integrates multi-source positioning and its control method. Background Technology

[0002] Current anti-loss devices mostly rely on either Bluetooth or satellite positioning. Bluetooth solutions are limited by short range and fail beyond that; while satellite positioning can remotely acquire location, it consumes a lot of power while remaining online for extended periods, and satellite signals are weak in urban canyons and indoor environments, leading to frequent location failures. Furthermore, existing products fail to effectively integrate multiple positioning methods or intelligently switch operating modes based on actual user scenarios, resulting in a conflict between battery life and user experience. When items are forgotten, users typically only need the final stationary location, not the entire trajectory; tracking stolen items requires high-frequency tracking; and once the item is close, precise directional guidance is needed. Therefore, how to efficiently, accurately, and with low power consumption locate anti-loss devices has become a pressing issue. Summary of the Invention

[0003] The purpose of this invention is to provide a multi-mode low-power anti-loss system and its control method that integrates multi-source positioning, so as to solve the problems mentioned in the background art.

[0004] In a first aspect, this application provides a multi-mode low-power anti-loss system integrating multi-source positioning, the system comprising: Mode scheduling module: used to obtain the operation instructions of the mobile terminal, and select and start the target mode corresponding to the anti-loss device from the preset standby mode, anti-loss mode and tracking mode according to the operation instructions; Device standby module: When the target mode is the standby mode, it extracts the power-saving signal from the operation command, shuts down the power-consuming equipment of the anti-loss device according to the power-saving signal, and retains only the minimum network connection configuration. Device anti-loss module: When the target mode is the anti-loss mode, according to the operation command, it acquires the multi-axis motion data of the anti-loss device, extracts the real-time static duration from the multi-axis motion data, and generates a first positioning signal when the real-time static duration exceeds a preset first preset duration; Dynamic tracking module: When the target mode is the tracking mode, according to the operation instruction, it obtains a preset second preset duration, generates a positioning acquisition frequency according to the second preset duration, and generates a second positioning signal according to the positioning acquisition frequency; Macro positioning module: used to perform multi-source macro positioning, generate initial position coordinates, and send the initial position coordinates to the mobile terminal based on the first positioning signal, or to continuously perform multi-source macro positioning according to the positioning acquisition frequency based on the second positioning signal, generate continuous trajectory data and record the final position coordinates, and send them to the mobile terminal; Near-field direction finding module: used to obtain the current position coordinates of the mobile terminal, identify the physical distance between the initial position coordinates or the final position coordinates and the current position coordinates, and when the physical distance is less than a preset near-field distance threshold, establish a Bluetooth connection between the mobile terminal and the anti-loss device, record the signal connection strength and angle of arrival information, and generate a dynamic pointing arrow based on the connection strength and the angle of arrival information.

[0005] Preferably, the mode scheduling module includes: Instruction receiving and parsing unit and mode selection unit; Instruction receiving and parsing unit: used to receive operation instructions issued by the mobile terminal, identify the information encoding in the operation instructions, and obtain the instruction target of the operation instructions based on the information encoding; Mode selection unit: used to receive the instruction target, perform mode matching in a preset mode set according to the instruction target, obtain the target mode, and activate the target mode to apply to the anti-loss device; The mode set includes the standby mode, the anti-loss mode, and the tracking mode.

[0006] Preferably, the device standby module includes: Equipment power consumption identification unit and equipment power saving unit; Equipment power consumption identification unit: used to extract the power saving signal in the operation command when the target mode is switched to the standby mode; Based on the power-saving signal, data on the power consumption of the anti-loss device is collected to obtain device power consumption information; Equipment power saving unit: used to identify the power consumption information of the equipment to obtain the power-consuming components that are currently using power and the standby components that are not using power; Extract the network communication components from the power-consuming components, and set the power consumption of the communication components to a preset minimum power consumption level; Power-on components other than the communication components and the standby components are locked.

[0007] Preferably, the device anti-loss module includes: Motion monitoring unit and first signal generation unit; Motion monitoring unit: used to extract motion monitoring command signal from the operation command when the target mode is switched to the anti-loss mode; The motion monitoring command signal is sent to the anti-loss device, which collects its own multi-axis motion data in real time. Based on the multi-axis motion data, the current motion state of the anti-loss device is obtained. First signal generation unit: used to determine whether the anti-loss device has switched from a moving state to a stationary state based on the current motion state; If it is determined that the anti-loss device has switched from a moving state to a stationary state, then the timer is started to obtain the real-time stationary duration; Determine whether the real-time stillness duration exceeds a preset first preset duration; If it is determined that the real-time static duration exceeds the first preset duration, a first positioning signal is generated and output. If it is determined that the real-time static duration has not exceeded the first preset duration, the anti-loss device switches from a static state to a moving state, stops timing, and waits for the next switch to a static state before restarting timing.

[0008] Preferably, the dynamic tracking module includes: Acquisition frequency setting unit and second signal generation unit; Acquisition frequency setting unit: used to acquire a preset second preset duration according to the operation instruction when the target mode is switched to the tracking mode; Using the second preset duration as the interval time period and the starting point of the second preset duration as the collection point, the multiple interval time periods of the second preset duration are connected end to end to obtain a time period sequence; Extract multiple collection points from the time period sequence and record the collection time point of each collection point. Sort and frequency convert the collection time points to generate a positioning collection frequency. The second signal generation unit is used to record the starting point information and frequency information of the positioning acquisition frequency, convert the starting point information and the frequency information into control electrical signals, and generate a second positioning signal based on the control electrical signals.

[0009] Preferably, the macroscopic positioning module includes: Multi-source positioning unit, first positioning unit, and second positioning unit; Multi-source positioning unit: used to receive the first positioning signal or the second positioning signal, and extract the initial trigger command from the first positioning signal or the second positioning signal; According to the initial trigger command, the satellite positioning device preset in the anti-loss device is invoked to extract the satellite positioning signal and determine whether the satellite positioning signal can be obtained within the preset timeout period. If it is determined that the satellite positioning signal is not obtained within the timeout period, the WiFi scanning device preset in the anti-loss device is called downgraded to extract the WiFi positioning signal, and it is determined whether the WiFi positioning signal can be obtained within the timeout period. If it is determined that the WiFi positioning signal is not obtained within the timeout period, the system will downgrade and call the base station positioning device preset in the anti-loss device to extract the base station positioning signal. Based on the satellite positioning signal, the WiFi positioning signal, or the base station positioning signal, generate the initial position coordinates of the anti-loss device; First positioning unit: used in the anti-loss mode, the anti-loss device receives the first positioning signal; Based on the first positioning signal, the initial position coordinates are sent to the mobile terminal, and the anti-loss device is monitored to see if it moves again after sending the initial position coordinates based on the current motion status. If the anti-loss device moves twice after sending the initial position coordinates, and the real-time stationary time after the second movement exceeds the first preset time, then the multi-source positioning unit is called again for repositioning to obtain updated position coordinates, and the updated position coordinates are sent to the mobile terminal. Second positioning unit: used in the tracking mode for the anti-loss device to receive the second positioning signal; Based on the second positioning signal, starting from the initial position coordinates, the multi-source positioning unit is invoked according to the positioning acquisition frequency to collect position information and obtain multiple subsequent position coordinates. Connect multiple subsequent position coordinates to generate continuous trajectory data, and record whether a new subsequent position coordinate appears after the last subsequent position coordinate in the continuous trajectory data; If it is determined that no new subsequent position coordinates appear after the last subsequent position coordinate, then the last subsequent position coordinate is marked as the final position coordinate, and the continuous trajectory data and the final position coordinate are sent to the mobile terminal.

[0010] Preferably, the near-field direction finding module includes: Relative position recognition unit and near-field pointing search unit; Relative position recognition unit: used to obtain the current position coordinates of the mobile terminal and identify the physical distance between the current position coordinates and the initial position coordinates or the final position coordinates; Determine whether the physical distance is less than the preset minimum Bluetooth connection distance; If it is determined that the physical distance is less than the minimum Bluetooth connection distance, then the mobile terminal and the preset Bluetooth device in the anti-loss device are invoked to conduct two-way Bluetooth communication and establish a Bluetooth connection. Near-field pointing and searching unit: used to record the signal strength of the Bluetooth connection and the angle of arrival information of the Bluetooth signal after establishing a Bluetooth connection between the mobile terminal and the anti-loss device; Based on the signal connection strength, the relative spatial distance between the mobile terminal and the anti-loss device is identified, and based on the angle of arrival information, the azimuth angle of the anti-loss device relative to the mobile terminal is obtained. Based on the relative spatial distance and the azimuth angle, a dynamic pointing arrow is generated and displayed on the mobile terminal; Determine whether the relative spatial distance is lower than the preset minimum alert distance; If it is determined that the relative spatial distance is lower than the preset minimum reminder distance, the mobile terminal generates an audio-visual reminder signal and sends the audio-visual reminder signal to the anti-loss device through the Bluetooth connection. After receiving the audio-visual reminder signal, the anti-loss device provides an audio-visual reminder. When the anti-loss device is in any of the standby mode, the anti-loss mode, and the tracking mode, the anti-loss device maintains a network connection, and the mobile terminal can generate the sound and light reminder signal and send the sound and light reminder signal to the anti-loss device through the network connection or the Bluetooth connection.

[0011] Secondly, this application provides a multi-mode low-power anti-loss control method integrating multi-source positioning, the method comprising: Obtain the operation command from the mobile terminal, and select and activate the target mode corresponding to the anti-loss device from the preset standby mode, anti-loss mode, and tracking mode according to the operation command; When the target mode is the standby mode, extract the power-saving signal from the operation command, turn off the power-consuming equipment of the anti-loss device according to the power-saving signal, and retain only the minimum network connection configuration; When the target mode is the anti-loss mode, according to the operation instruction, the multi-axis motion data of the anti-loss device is obtained, the real-time static duration in the multi-axis motion data is extracted, and when the real-time static duration exceeds the preset first preset duration, a first positioning signal is generated. When the target mode is the tracking mode, according to the operation instruction, a preset second preset duration is obtained, and a positioning acquisition frequency is generated according to the second preset duration, and a second positioning signal is generated according to the positioning acquisition frequency; Perform multi-source macroscopic positioning to generate initial position coordinates. Based on the first positioning signal, send the initial position coordinates to the mobile terminal. Alternatively, based on the second positioning signal, continuously perform multi-source macroscopic positioning according to the positioning acquisition frequency to generate continuous trajectory data and record the final position coordinates, and send them to the mobile terminal. The current location coordinates of the mobile terminal are obtained, and the physical distance between the initial location coordinates or the final location coordinates and the current location coordinates is identified. When the physical distance is less than a preset near-field distance threshold, a Bluetooth connection is established between the mobile terminal and the anti-loss device, and the signal connection strength and angle of arrival information are recorded. A dynamic pointing arrow is generated based on the connection strength and the angle of arrival information.

[0012] In summary, this application includes at least one of the following beneficial technical effects: This application, through a mode scheduling module, enables flexible switching between standby mode, anti-loss mode, and tracking mode based on user operation commands, effectively resolving the conflict between battery life and user experience caused by a single working mode in existing technologies. The standby module provides refined management of the device's power consumption in standby mode, minimizing standby power consumption and improving the anti-loss device's battery life. By combining the anti-loss module with multi-axis motion data, it accurately determines when an item transitions from motion to stillness, avoiding ineffective continuous positioning power consumption and achieving an intelligent balance between energy saving and positioning needs. The dynamic tracking module adaptively adjusts the positioning acquisition frequency to ensure real-time continuous trajectory acquisition in tracking mode, facilitating efficient retrieval of lost items. Furthermore, through seamless collaboration between macro-positioning and near-field direction finding, dynamic directional arrows are generated using Bluetooth signal strength and angle of arrival information, combined with audio-visual alerts, achieving a complete closed loop from wide-area location positioning to precise local retrieval, greatly improving the convenience and success rate of the anti-loss system. Overall, this improves the efficiency and accuracy of anti-loss device positioning while reducing power consumption. Attached Figure Description

[0013] Figure 1 This is a block diagram of a multi-mode, low-power anti-loss system that integrates multi-source positioning, as provided in this application.

[0014] Figure 2 This is a flowchart of the steps of a multi-mode low-power anti-loss control method that integrates multi-source positioning provided in this application.

[0015] Explanation of reference numerals in the attached diagram: 1. Mode scheduling module; 2. Device standby module; 3. Device anti-loss module; 4. Dynamic tracking module; 5. Macro positioning module; 6. Near-field orientation module. Detailed Implementation

[0016] The following combination Figures 1-2 This application will be described in further detail, but the embodiments of the present invention are not limited thereto.

[0017] This application discloses a multi-mode low-power anti-loss system and its control method that integrates multi-source positioning.

[0018] In this application embodiment, a multi-mode low-power anti-loss system integrating multi-source positioning is provided, the system comprising: Mode scheduling module 1: Used to obtain the operation instructions of the mobile terminal, and select and start the target mode corresponding to the anti-loss device from the preset standby mode, anti-loss mode and tracking mode according to the operation instructions; Device standby module 2: When the target mode is standby mode, it extracts the power-saving signal from the operation command, shuts down the power-consuming equipment of the anti-loss device according to the power-saving signal, and retains only the minimum network connection configuration. Device anti-loss module 3: When the target mode is anti-loss mode, it is used to obtain the multi-axis motion data of the anti-loss device according to the operation command, extract the real-time static duration from the multi-axis motion data, and generate the first positioning signal when the real-time static duration exceeds the preset first preset duration. Dynamic tracking module 4: When the target mode is tracking mode, it is used to obtain a preset second preset duration according to the operation command, generate a positioning acquisition frequency according to the second preset duration, and generate a second positioning signal according to the positioning acquisition frequency. Macro positioning module 5: Used for multi-source macro positioning, generating initial position coordinates, sending the initial position coordinates to the mobile terminal based on the first positioning signal, or continuously performing multi-source macro positioning according to the positioning acquisition frequency based on the second positioning signal, generating continuous trajectory data and recording the final position coordinates, and sending them to the mobile terminal. Near-field direction finding module 6: used to obtain the current position coordinates of the mobile terminal, identify the physical distance between the initial or final position coordinates and the current position coordinates, and when the physical distance is less than the preset near-field distance threshold, establish a Bluetooth connection between the mobile terminal and the anti-loss device, record the signal connection strength and angle of arrival information, and generate a dynamic pointing arrow based on the connection strength and angle of arrival information.

[0019] The mode scheduling module includes: Instruction receiving and parsing unit and mode selection unit; Instruction receiving and parsing unit: used to receive operation instructions issued by the mobile terminal, identify the information encoding in the operation instructions, and obtain the instruction target of the operation instructions based on the information encoding; Mode selection unit: used to receive the instruction target, perform mode matching in a preset mode set according to the instruction target, obtain the target mode, and activate the target mode to apply to the anti-loss device; The mode set includes standby mode, anti-loss mode, and tracking mode.

[0020] In application, taking the anti-loss device attached to a user's briefcase as an example, the instruction receiving and parsing unit begins operation. First, the anti-loss device receives operation instructions from the user's mobile terminal. For example, the user clicks the search button on the phone's software, and the phone issues an operation instruction. Next, the instruction receiving and parsing unit performs detailed identification of this instruction. The system extracts the information encoding data from the operation instruction, such as a string of specific electrical signal characters. Then, the system derives the specific instruction target based on the information encoding data. For example, the parsed instruction target is to activate high-frequency searching. The mode selection unit then operates. The mode selection unit receives the derived instruction target. The system compares and matches the instruction target with a pre-set set of modes. This set of modes pre-sets three different working modes: power-saving standby mode, static trigger anti-loss mode, and continuous positioning tracking mode. After comparing the instruction target with these three modes, the system obtains an accurate target mode. For example, the target mode matched this time is the high-frequency tracking mode. Finally, the system officially activates this tracking mode. The system applies the tracking mode to the anti-loss device attached to the briefcase. The anti-loss device then begins to perform subsequent positioning work according to the tracking mode's specifications.

[0021] The device standby module includes: Equipment power consumption identification unit and equipment power saving unit; Equipment power consumption identification unit: used to extract power-saving signals from operation commands when the target mode switches to standby mode; Based on the power-saving signal, data on the power consumption of the anti-loss device is collected to obtain the device's power consumption information; Equipment power saving unit: used to identify the power consumption information of the equipment to determine which power-consuming components are currently using power and which standby components are not using power; Extract the network communication components from the power-consuming components and set the power consumption of the communication components to the preset minimum power consumption level; Power-on components other than communication components and standby components are locked.

[0022] In practice, let's take the example of an anti-loss device attached to a user's briefcase. First, when the briefcase is being carried normally, the target mode switches to standby mode. The system extracts power-saving signals from the operation commands. For example, a command from a mobile phone might include a signal requesting the device to enter sleep mode. Next, based on this power-saving signal, the system collects data on the power consumption of the anti-loss device. By detecting the current in various components, the system obtains the device's current power consumption information. The device's power-saving unit then operates. The system identifies the device's power consumption information, determining which components are consuming power. The system identifies the components currently consuming power and the standby components that are not consuming power. For example, Bluetooth and the locator are components currently consuming power, while the indicator light is a standby component that is not consuming power. Then, the system extracts the communication component responsible for network communication from the power-consuming components. For example, this communication component might be the network connection module. The system adjusts the power consumption of this communication component to a pre-set minimum power level, retaining only a very small connection current. Finally, the system locks the power consumption of all other power-consuming and standby components except for the communication component. The system directly cuts off the power supply circuit to these components, achieving excellent power saving and extending battery life.

[0023] The device anti-loss module includes: Motion monitoring unit and first signal generation unit; Motion monitoring unit: used to extract motion monitoring command signals from operation commands when the target mode is switched to anti-loss mode; The motion monitoring command signal is sent to the anti-loss device, which collects its own multi-axis motion data in real time. Based on the multi-axis motion data, the current motion status of the anti-loss device is obtained. First signal generation unit: used to determine whether the anti-loss device has switched from a moving state to a stationary state based on the current motion state; If it is determined that the anti-loss device has switched from a moving state to a stationary state, then the timer is started to obtain the real-time stationary duration; Determine whether the real-time stillness duration exceeds a preset first preset duration; If it is determined that the real-time static duration exceeds the first preset duration, then a first positioning signal is generated and output; If it is determined that the real-time static duration has not exceeded the first preset duration, the anti-loss device switches from a static state to a moving state, stops timing, and waits for the next switch to a static state before restarting timing.

[0024] In application, taking the anti-loss device attached to a user's briefcase as an example, when the target mode is switched to anti-loss mode, the system extracts the motion monitoring command signal from the operation instructions. The system sends this monitoring signal to the anti-loss device. The multi-axis sensors inside the anti-loss device begin to collect its own multi-axis motion data in real time. For example, the sensors collect the specific values ​​of the briefcase's acceleration and direction. Based on this motion data, the system determines whether the anti-loss device is currently in motion or stationary. The first signal generation unit then operates. Based on the current motion state, the system determines whether the anti-loss device has changed from a moving state to a stationary state. If the briefcase is placed on a table, the system determines that the device has changed from moving to stationary and starts an internal timer to obtain a real-time stationary duration. Then, the system determines whether this real-time stationary duration exceeds a preset first timeout. For example, this preset first timeout is five minutes. If the briefcase remains stationary for more than five minutes, the system generates a first positioning signal and outputs this signal to trigger subsequent operations. If the briefcase is picked up again within these five minutes, the device switches from a stationary state to a moving state. The system immediately stops timing and waits for the next switch to a static state before restarting the timing.

[0025] The dynamic tracking module includes: Acquisition frequency setting unit and second signal generation unit; Acquisition frequency setting unit: used to acquire a preset second preset duration according to the operation command when the target mode is switched to tracking mode; Using a second preset duration as the interval time and the starting point of the second preset duration as the collection point, multiple interval time periods of the second preset duration are connected end to end to obtain a time period sequence; Extract multiple collection points from the time period sequence and record the collection time point of each collection point. Sort and frequency convert the collection time points to generate the location collection frequency. The second signal generation unit is used to record the starting point information and frequency information of the positioning acquisition frequency, convert the starting point information and frequency information into control electrical signals, and generate the second positioning signal based on the control electrical signals.

[0026] In application, taking the anti-loss device attached to a user's briefcase as an example: First, when the user discovers the briefcase is missing, the target mode switches to tracking mode. Based on the user's operation command, the system obtains a pre-set second preset duration. For example, this second preset duration is a fixed ten seconds. Next, the system uses this ten-second interval as a time interval and the starting point of this ten-second interval as a data collection point. The system connects many ten-second intervals like a chain, resulting in a coherent time sequence. Then, the system extracts multiple data collection points from this time sequence and records the specific collection time of each point. For example, it records the first ten seconds, twenty seconds, etc., of the first minute. The system sorts these data collection time points sequentially and performs frequency conversion calculations to generate a specific positioning collection frequency. For example, the generated frequency is to locate once every ten seconds. The second signal generation unit then operates. The system records the starting information and specific frequency information of this positioning collection frequency. Then, the system converts this starting information and frequency information into a control electrical signal that the machine can recognize. Finally, the system generates a second positioning signal based on this control electrical signal, which is used to control the continuous positioning operation of the anti-loss device.

[0027] The macro positioning module includes: Multi-source positioning unit, first positioning unit, and second positioning unit; Multi-source positioning unit: used to receive a first positioning signal or a second positioning signal, and extract the initial trigger command from the first positioning signal or the second positioning signal; According to the initial trigger command, the satellite positioning device preset in the anti-loss device is invoked to extract the satellite positioning signal and determine whether the satellite positioning signal can be obtained within the preset timeout period. If it is determined that a satellite positioning signal is not obtained within the timeout period, the device will be downgraded to call the WiFi scanning device preset in the anti-loss device to extract the WiFi positioning signal and determine whether the WiFi positioning signal can be obtained within the timeout period. If it is determined that no WiFi positioning signal is obtained within the timeout period, the system will downgrade and call the base station positioning device preset in the anti-loss device to extract the base station positioning signal. The initial location coordinates of the anti-loss device are generated based on satellite positioning signals, WiFi positioning signals, or base station positioning signals. First positioning unit: used to receive the first positioning signal in anti-loss mode; Based on the first positioning signal, the initial position coordinates are sent to the mobile terminal, and the anti-loss device is monitored to see if it moves again after sending the initial position coordinates based on the current motion status. If the anti-loss device moves twice after sending the initial position coordinates, and the real-time static duration after the second movement exceeds the first preset duration, the multi-source positioning unit is called again to reposition, obtain the updated position coordinates, and send the updated position coordinates to the mobile terminal. Second positioning unit: used for the anti-loss device to receive a second positioning signal in tracking mode; Based on the second positioning signal, starting from the initial position coordinates, the multi-source positioning unit is invoked according to the positioning acquisition frequency to collect position information and obtain multiple subsequent position coordinates. Connect multiple subsequent position coordinates to generate continuous trajectory data, and record whether a new subsequent position coordinate appears after the last subsequent position coordinate in the continuous trajectory data; If no new subsequent position coordinates appear after the last subsequent position coordinate, then the last subsequent position coordinate is marked as the final position coordinate, and the continuous trajectory data and the final position coordinates are sent to the mobile terminal.

[0028] In application, taking the anti-loss device attached to a user's briefcase as an example: The multi-source positioning unit receives the first or second positioning signal and extracts the initial trigger command. The system calls the satellite positioning device within the device to extract the satellite positioning signal according to the command. If no signal is obtained within a timeout, the system downgrades to calling the network scanning device to extract the network signal. If no signal is obtained within a timeout, the system downgrades to calling the base station device to extract the base station positioning signal. Based on the successfully acquired signal, the system generates the initial position coordinates of the anti-loss device. The first positioning unit receives the first positioning signal in anti-loss mode. The system sends the initial position coordinates to the mobile phone and monitors whether the briefcase moves a second time. If the briefcase moves a second time and remains stationary for more than a first preset time, the system calls the multi-source positioning unit again to obtain the updated position coordinates and sends them to the mobile phone. The second positioning unit receives the second positioning signal in tracking mode. Starting from the initial coordinates, the system performs positioning according to the acquisition frequency, obtaining multiple subsequent position coordinates. The system connects these subsequent position coordinates to generate a continuous movement trajectory data. The system records whether a new position coordinate appears after the last subsequent position coordinate. If no new coordinates appear, the system will mark the last coordinate as the final location coordinate. Finally, the system will send the continuous trajectory data and the final location coordinates together to the mobile terminal.

[0029] The near-field direction finding module includes: Relative position recognition unit and near-field pointing search unit; Relative position recognition unit: used to obtain the current position coordinates of the mobile terminal and identify the physical distance between the current position coordinates and the initial or final position coordinates; Determine if the physical distance is less than the preset minimum Bluetooth connection distance; If the physical distance is determined to be less than the minimum Bluetooth connection distance, the system will call the preset Bluetooth device in the mobile terminal and the anti-loss device to conduct two-way Bluetooth communication and establish a Bluetooth connection. Near-field pointing and finding unit: used to record the signal strength of the Bluetooth connection and the angle of arrival information of the Bluetooth signal after establishing a Bluetooth connection between the mobile terminal and the anti-loss device; Based on the signal connection strength, the relative spatial distance between the mobile terminal and the anti-loss device is identified, and based on the angle of arrival information, the azimuth angle of the anti-loss device relative to the mobile terminal is obtained. Based on relative spatial distance and orientation angle, a dynamic pointing arrow is generated and displayed on the mobile terminal; Determine if the relative spatial distance is lower than the preset minimum alert distance; If the relative spatial distance is determined to be lower than the preset minimum reminder distance, the mobile terminal generates an audio-visual reminder signal and sends the audio-visual reminder signal to the anti-loss device via Bluetooth. After receiving the audio-visual reminder signal, the anti-loss device will provide an audio-visual reminder. When the anti-loss device is in standby mode, anti-loss mode, or tracking mode, it maintains a network connection. The mobile terminal can generate an audible and visual alert signal and send the signal to the anti-loss device via network or Bluetooth connection.

[0030] In practice, taking the anti-loss device attached to a user's briefcase as an example, the system first obtains the current location coordinates of the user's mobile phone. The system calculates the actual physical distance between the phone's current location coordinates and the briefcase's initial or final location coordinates. Next, the system determines if this physical distance is less than a preset minimum Bluetooth connection distance, such as 50 meters. If the distance is less than 50 meters, the system initiates communication between the phone and the Bluetooth device within the anti-loss device to establish a Bluetooth connection. The near-field pointing and searching unit then operates. After the phone and anti-loss device establish a Bluetooth connection, the system records the Bluetooth signal strength and the angle of arrival (ADR) information. Then, based on the signal strength, the system calculates the relative spatial distance between the phone and the briefcase. Based on the ADR information, the system calculates the precise azimuth angle of the briefcase relative to the phone. Based on these two data points, the system generates a dynamic pointing arrow on the mobile terminal's screen. Finally, the system determines if the relative spatial distance is lower than a preset minimum alert distance. In standby mode, anti-loss mode, and tracking mode, the anti-loss device maintains a continuous network connection. At the same time, the user can control the mobile terminal to generate and send sound and light reminder signals in any of the above three modes. When the distance is far, the signal is sent to the anti-loss device through the network connection. When the distance is close and Bluetooth is connected, the signal is sent to the anti-loss device through Bluetooth.

[0031] This invention provides a multi-mode low-power anti-loss control method integrating multi-source positioning, using any one of the above-mentioned multi-mode low-power anti-loss systems integrating multi-source positioning, the method comprising the following: S100: Obtain the operation command from the mobile terminal, and select and activate the target mode corresponding to the anti-loss device from the preset standby mode, anti-loss mode, and tracking mode according to the operation command; S200: When the target mode is standby mode, extract the power saving signal from the operation command, turn off the power-consuming equipment of the anti-loss device according to the power saving signal, and retain only the minimum network connection configuration. S300: When the target mode is anti-loss mode, according to the operation command, the multi-axis motion data of the anti-loss device is obtained, the real-time static duration in the multi-axis motion data is extracted, and when the real-time static duration exceeds the preset first preset duration, the first positioning signal is generated. S400: When the target mode is tracking mode, according to the operation command, the preset second preset duration is obtained, and the positioning acquisition frequency is generated according to the second preset duration, and the second positioning signal is generated according to the positioning acquisition frequency; S500: Performs multi-source macroscopic positioning, generates initial position coordinates, and sends the initial position coordinates to the mobile terminal based on the first positioning signal, or performs multi-source macroscopic positioning continuously according to the positioning acquisition frequency based on the second positioning signal, generates continuous trajectory data and records the final position coordinates, and sends them to the mobile terminal. S600: Obtain the current location coordinates of the mobile terminal, identify the physical distance between the initial or final location coordinates and the current location coordinates, and when the physical distance is less than the preset near-field distance threshold, establish a Bluetooth connection between the mobile terminal and the anti-loss device, record the signal connection strength and angle of arrival information, and generate a dynamic pointing arrow based on the connection strength and angle of arrival information.

[0032] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A multi-mode, low-power anti-loss system integrating multi-source positioning, characterized in that, include: Mode scheduling module: used to obtain the operation instructions of the mobile terminal, and select and start the target mode corresponding to the anti-loss device from the preset standby mode, anti-loss mode and tracking mode according to the operation instructions; Device standby module: When the target mode is the standby mode, it extracts the power-saving signal from the operation command, shuts down the power-consuming equipment of the anti-loss device according to the power-saving signal, and retains only the minimum network connection configuration. Device anti-loss module: When the target mode is the anti-loss mode, according to the operation command, it acquires the multi-axis motion data of the anti-loss device, extracts the real-time static duration from the multi-axis motion data, and generates a first positioning signal when the real-time static duration exceeds a preset first preset duration; Dynamic tracking module: When the target mode is the tracking mode, according to the operation instruction, it obtains a preset second preset duration, generates a positioning acquisition frequency according to the second preset duration, and generates a second positioning signal according to the positioning acquisition frequency; Macro positioning module: used to perform multi-source macro positioning, generate initial position coordinates, and send the initial position coordinates to the mobile terminal based on the first positioning signal, or to continuously perform multi-source macro positioning according to the positioning acquisition frequency based on the second positioning signal, generate continuous trajectory data and record the final position coordinates, and send them to the mobile terminal; Near-field direction finding module: used to obtain the current position coordinates of the mobile terminal, identify the physical distance between the initial position coordinates or the final position coordinates and the current position coordinates, and when the physical distance is less than a preset near-field distance threshold, establish a Bluetooth connection between the mobile terminal and the anti-loss device, record the signal connection strength and angle of arrival information, and generate a dynamic pointing arrow based on the connection strength and the angle of arrival information.

2. The multi-mode low-power anti-loss system integrating multi-source positioning according to claim 1, characterized in that, The mode scheduling module includes: Instruction receiving and parsing unit and mode selection unit; Instruction receiving and parsing unit: used to receive operation instructions issued by the mobile terminal, identify the information encoding in the operation instructions, and obtain the instruction target of the operation instructions based on the information encoding; Mode selection unit: used to receive the instruction target, perform mode matching in a preset mode set according to the instruction target, obtain the target mode, and activate the target mode to apply to the anti-loss device; The mode set includes the standby mode, the anti-loss mode, and the tracking mode.

3. The multi-mode low-power anti-loss system integrating multi-source positioning according to claim 2, characterized in that, The device standby module includes: Equipment power consumption identification unit and equipment power saving unit; Equipment power consumption identification unit: used to extract the power saving signal in the operation command when the target mode is switched to the standby mode; Based on the power-saving signal, data on the power consumption of the anti-loss device is collected to obtain device power consumption information; Equipment power saving unit: used to identify the power consumption information of the equipment to obtain the power-consuming components that are currently using power and the standby components that are not using power; Extract the network communication components from the power-consuming components, and set the power consumption of the communication components to a preset minimum power consumption level; Power-on components other than the communication components and the standby components are locked.

4. The multi-mode low-power anti-loss system integrating multi-source positioning according to claim 3, characterized in that, The device anti-loss module includes: Motion monitoring unit and first signal generation unit; Motion monitoring unit: used to extract motion monitoring command signal from the operation command when the target mode is switched to the anti-loss mode; The motion monitoring command signal is sent to the anti-loss device, which collects its own multi-axis motion data in real time. Based on the multi-axis motion data, the current motion state of the anti-loss device is obtained. First signal generation unit: used to determine whether the anti-loss device has switched from a moving state to a stationary state based on the current motion state; If it is determined that the anti-loss device has switched from a moving state to a stationary state, then the timer is started to obtain the real-time stationary duration; Determine whether the real-time stillness duration exceeds a preset first preset duration; If it is determined that the real-time static duration exceeds the first preset duration, a first positioning signal is generated and output. If it is determined that the real-time static duration has not exceeded the first preset duration, the anti-loss device switches from a static state to a moving state, stops timing, and waits for the next switch to a static state before restarting timing.

5. A multi-mode low-power anti-loss system integrating multi-source positioning according to claim 4, characterized in that, The dynamic tracking module includes: Acquisition frequency setting unit and second signal generation unit; Acquisition frequency setting unit: used to acquire a preset second preset duration according to the operation instruction when the target mode is switched to the tracking mode; Using the second preset duration as the interval time period and the starting point of the second preset duration as the collection point, the multiple interval time periods of the second preset duration are connected end to end to obtain a time period sequence; Extract multiple collection points from the time period sequence and record the collection time point of each collection point. Sort and frequency convert the collection time points to generate a positioning collection frequency. The second signal generation unit is used to record the starting point information and frequency information of the positioning acquisition frequency, convert the starting point information and the frequency information into control electrical signals, and generate a second positioning signal based on the control electrical signals.

6. The multi-mode low-power anti-loss system integrating multi-source positioning according to claim 5, characterized in that, The macro positioning module includes: Multi-source positioning unit, first positioning unit, and second positioning unit; Multi-source positioning unit: used to receive the first positioning signal or the second positioning signal, and extract the initial trigger command from the first positioning signal or the second positioning signal; According to the initial trigger command, the satellite positioning device preset in the anti-loss device is invoked to extract the satellite positioning signal and determine whether the satellite positioning signal can be obtained within the preset timeout period. If it is determined that the satellite positioning signal is not obtained within the timeout period, the WiFi scanning device preset in the anti-loss device is called downgraded to extract the WiFi positioning signal, and it is determined whether the WiFi positioning signal can be obtained within the timeout period. If it is determined that the WiFi positioning signal is not obtained within the timeout period, the system will downgrade and call the base station positioning device preset in the anti-loss device to extract the base station positioning signal. Based on the satellite positioning signal, the WiFi positioning signal, or the base station positioning signal, generate the initial position coordinates of the anti-loss device; First positioning unit: used in the anti-loss mode, the anti-loss device receives the first positioning signal; Based on the first positioning signal, the initial position coordinates are sent to the mobile terminal, and the anti-loss device is monitored to see if it moves again after sending the initial position coordinates based on the current motion status. If the anti-loss device moves twice after sending the initial position coordinates, and the real-time stationary time after the second movement exceeds the first preset time, then the multi-source positioning unit is called again for repositioning to obtain updated position coordinates, and the updated position coordinates are sent to the mobile terminal. Second positioning unit: used in the tracking mode for the anti-loss device to receive the second positioning signal; Based on the second positioning signal, starting from the initial position coordinates, the multi-source positioning unit is invoked according to the positioning acquisition frequency to collect position information and obtain multiple subsequent position coordinates. Connect multiple subsequent position coordinates to generate continuous trajectory data, and record whether a new subsequent position coordinate appears after the last subsequent position coordinate in the continuous trajectory data; If it is determined that no new subsequent position coordinates appear after the last subsequent position coordinate, then the last subsequent position coordinate is marked as the final position coordinate, and the continuous trajectory data and the final position coordinate are sent to the mobile terminal.

7. A multi-mode low-power anti-loss system integrating multi-source positioning according to claim 6, characterized in that, The near-field orientation module includes: Relative position recognition unit and near-field pointing search unit; Relative position recognition unit: used to obtain the current position coordinates of the mobile terminal and identify the physical distance between the current position coordinates and the initial position coordinates or the final position coordinates; Determine whether the physical distance is less than the preset minimum Bluetooth connection distance; If it is determined that the physical distance is less than the minimum Bluetooth connection distance, then the mobile terminal and the preset Bluetooth device in the anti-loss device are invoked to conduct two-way Bluetooth communication and establish a Bluetooth connection. Near-field pointing and searching unit: used to record the signal strength of the Bluetooth connection and the angle of arrival information of the Bluetooth signal after establishing a Bluetooth connection between the mobile terminal and the anti-loss device; Based on the signal connection strength, the relative spatial distance between the mobile terminal and the anti-loss device is identified, and based on the angle of arrival information, the azimuth angle of the anti-loss device relative to the mobile terminal is obtained. Based on the relative spatial distance and the azimuth angle, a dynamic pointing arrow is generated and displayed on the mobile terminal; Determine whether the relative spatial distance is lower than the preset minimum alert distance; If it is determined that the relative spatial distance is lower than the preset minimum reminder distance, the mobile terminal generates an audio-visual reminder signal and sends the audio-visual reminder signal to the anti-loss device through the Bluetooth connection. After receiving the audio-visual reminder signal, the anti-loss device provides an audio-visual reminder. When the anti-loss device is in any of the standby mode, the anti-loss mode, and the tracking mode, the anti-loss device maintains a network connection, and the mobile terminal can generate the sound and light reminder signal and send the sound and light reminder signal to the anti-loss device through the network connection or the Bluetooth connection.

8. A multi-mode low-power anti-loss control method integrating multi-source positioning, wherein the method uses a multi-mode low-power anti-loss system integrating multi-source positioning as described in any one of claims 1-7, characterized in that, The method includes: Obtain the operation command from the mobile terminal, and select and activate the target mode corresponding to the anti-loss device from the preset standby mode, anti-loss mode, and tracking mode according to the operation command; When the target mode is the standby mode, extract the power-saving signal from the operation command, turn off the power-consuming equipment of the anti-loss device according to the power-saving signal, and retain only the minimum network connection configuration; When the target mode is the anti-loss mode, according to the operation instruction, the multi-axis motion data of the anti-loss device is obtained, the real-time static duration in the multi-axis motion data is extracted, and when the real-time static duration exceeds the preset first preset duration, a first positioning signal is generated. When the target mode is the tracking mode, according to the operation instruction, a preset second preset duration is obtained, and a positioning acquisition frequency is generated according to the second preset duration, and a second positioning signal is generated according to the positioning acquisition frequency; Perform multi-source macroscopic positioning to generate initial position coordinates. Based on the first positioning signal, send the initial position coordinates to the mobile terminal. Alternatively, based on the second positioning signal, continuously perform multi-source macroscopic positioning according to the positioning acquisition frequency to generate continuous trajectory data and record the final position coordinates, and send them to the mobile terminal. The current location coordinates of the mobile terminal are obtained, and the physical distance between the initial location coordinates or the final location coordinates and the current location coordinates is identified. When the physical distance is less than a preset near-field distance threshold, a Bluetooth connection is established between the mobile terminal and the anti-loss device, and the signal connection strength and angle of arrival information are recorded. A dynamic pointing arrow is generated based on the connection strength and the angle of arrival information.

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