Bluetooth networking system and method for circulating logistics box
Through the Bluetooth networking system, the circular logistics box is divided into a host and a slave, and has a mechanism to intelligently replace the host, which solves the problems of insufficient power and unstable signal of the circular logistics box, and improves data processing efficiency and equipment service life.
Patent Information
- Application Number
- CN202510223712.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-05-30
AI Technical Summary
During use of the circulating logistics box, insufficient power and unstable signal lead to failure or loss of data reporting, affecting the normal operation of the system.
The Bluetooth networking system is adopted to divide the cyclic logistics box within the target range into a host and a slave, and data interaction is performed with the remote terminal through the host, reducing the power consumption of the slave, and having a mechanism to intelligently replace the host.
It improves data processing efficiency, reduces energy consumption and loss to the battery, extends the service life of the equipment, and ensures the timeliness and success rate of monitoring data.
Smart Images

Figure CN120075773A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of reusable logistics boxes, and particularly relates to a Bluetooth networking system and method for reusable logistics boxes. Background Art
[0002] In recent years, the logistics industry has developed rapidly, accompanied by a significant increase in the usage of logistics boxes. To utilize resources more effectively, reusable logistics boxes have emerged. A reusable logistics box is a logistics carrier that can be reused multiple times by adopting a standardized design, using durable materials, and implementing a closed-loop management system. This innovative logistics box replaces traditional single-use packaging and is involved in the entire transportation, warehousing, and distribution processes of goods. Eventually, these reusable logistics boxes will be recycled and processed by professional institutions and then put back into the market for circulation.
[0003] Currently, with the rapid progress of new material science and electronic communication technology, reusable logistics boxes are developing towards being more durable, environmentally friendly in reducing carbon emissions, and intelligent in management. They have been widely applied and rapidly popularized in multiple fields such as fresh food cold chain, automobile manufacturing, and pharmaceutical circulation;
[0004] However, in the actual application process, some technical deficiencies have emerged in reusable logistics boxes:
[0005] First, during the use of reusable logistics boxes, it is necessary to monitor their working environment (temperature, humidity, light, coordinates, etc.) and their own status (tilt, collision, etc.) in real-time or at regular intervals, and report this monitoring information to a remote terminal. This process consumes a large amount of electrical energy. Currently, most traditional reusable logistics boxes are powered by storage batteries. Due to the limited power storage capacity of storage batteries, this often leads to power shortage problems, which in turn affect the normal operation of electronic devices on reusable logistics boxes;
[0006] Second, during the use of reusable logistics boxes, they need to interact with a remote terminal for data. However, in real life, due to unstable signals (such as in remote mountainous areas or when passing through tunnels), data reporting failures or data loss may occur.
[0007] Therefore, it is of great significance to design and develop a more intelligent reusable logistics box. Summary of the Invention
[0008] Aiming at the problems existing in the prior art, the present invention provides a Bluetooth networking system and method for reusable logistics boxes. By means of intelligent networking, multiple reusable logistics boxes within the target range are divided into a master and slaves. The master is used to interact with a remote terminal for data, thereby reducing the power consumption of the storage batteries corresponding to the slaves.
[0009] The technical solution adopted by the present invention is as follows:
[0010] The first object of the present invention is to provide a Bluetooth networking system for reusable logistics boxes, which performs Bluetooth networking on M reusable logistics boxes within a target range and conducts unified data management. Each reusable logistics box includes a monitoring component, a storage battery, a power detection module, a remote communication module, and a Bluetooth module installed on the box body, where M is a natural number greater than 1; the Bluetooth networking system includes:
[0011] A marking module that assigns a unique electronic identifier to each reusable logistics box within the target range;
[0012] A power management module that is used to regularly receive the data from the power detection module on each reusable logistics box, compare the M remaining power data received, screen out the storage battery with the largest remaining power, define the remote communication module corresponding to this storage battery as the host, and define the other remote communication modules as slaves;
[0013] An information reporting module. The monitoring data of each monitoring component is sent to the host through the Bluetooth module. The host caches the received monitoring data and reports it to the remote terminal. When the remote terminal receives the monitoring data, it sends a successful receipt message to the host, and the host then deletes the cached information; when the remote terminal does not receive the monitoring data within the expected time, it sends a failed receipt message to the host, and the host then sends the cached information to the remote terminal again until the remote terminal receives the monitoring data.
[0014] Preferably, the Bluetooth module and the remote communication module are in a normal sleep and regular wake-up mode.
[0015] Preferably, within a preset time period, if the remote terminal is unable to receive the monitoring data all the time, the host is replaced in the order of the remaining power from large to small until the remote terminal receives the monitoring data.
[0016] Preferably, within a preset time period, if the host sending failure rate is greater than the threshold, the host is replaced in the order of the remaining power from large to small until the failure rate is not greater than the threshold.
[0017] Preferably, when the number of reusable logistics boxes within the target range increases or decreases, the marking module re-performs the electronic identification.
[0018] Preferably, the monitoring component includes a voltage acquisition module, a vibration detection module, an inclination detection module, and a temperature and humidity detection module.
[0019] Preferably, the voltage acquisition module is a resistive voltage division circuit, the main chip of the vibration detection module is DA213B, the main chip of the inclination detection module is LSM6DS3TR-C, and the main chip of the temperature and humidity detection module is AHT20.
[0020] Preferably, the remote communication module is a 4G module.
[0021] The second object of the present invention is to provide a Bluetooth networking method for a recycling logistics box, including:
[0022] S1. Using the marking module to assign a unique electronic identifier to each recycling logistics box within the target range;
[0023] S2. Using the power management module to regularly receive the data of the power detection module on each recycling logistics box, comparing the received M remaining power data, screening out the battery with the largest remaining power, defining the remote communication module corresponding to this battery as the host, and defining other remote communication modules as slaves;
[0024] S3. Information reporting. The monitoring data of each monitoring component is sent to the host through the Bluetooth module. The host caches the received monitoring data and reports it to the remote terminal. When the remote terminal receives the monitoring data, it sends a successful receipt message to the host, and the host then deletes the cached information; when the remote terminal does not receive the monitoring data within the expected time, it sends a receipt failure message to the host, and the host then sends the cached information to the remote terminal again until the remote terminal receives the monitoring data.
[0025] Preferably, within a preset time period, if the remote terminal is always unable to receive the monitoring data, the host is replaced in the order of decreasing remaining power until the remote terminal receives the monitoring data;
[0026] Or within a preset time period, if the host sending failure rate is greater than the threshold, the host is replaced in the order of decreasing remaining power until the failure rate is not greater than the threshold.
[0027] Compared with the prior art, the advantages and positive effects of the present application are:
[0028] The present invention adopts an intelligent networking technology. Its core idea is to first intelligently allocate these logistics boxes within the target range according to the remaining power of each recycling logistics box, and divide them into two types of recycling logistics boxes that serve as the host role and the slave role. In this way, the host is responsible for collecting the monitoring data of the slaves, thereby realizing the real-time monitoring of the operating state of the entire system. Subsequently, the host will conduct data interaction with the remote terminal and transmit the collected data to the remote monitoring center for further analysis and processing. This process not only improves the efficiency of data processing, but also effectively reduces the energy consumption and loss of the corresponding battery by reducing the frequent data transmission of the slaves, and prolongs its service life.
[0029] In addition, the present invention also has an intelligent host replacement mechanism. It can make intelligent judgments based on the timeliness and success rate of the data reported by the host. When the performance of the host deteriorates, or there are delays or failures during data reporting, the system will automatically identify and select a slave with better performance to be upgraded to a new host. This mechanism ensures the timeliness and success rate of monitoring data reporting, thus guaranteeing the stable operation of the entire system and the reliability of the data. Through this intelligent replacement strategy, the system can continuously maintain the best working state, ensuring the continuity and accuracy of the monitoring tasks. Brief Description of the Drawings
[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0031] Figure 1 Schematic block diagram of the preferred embodiment of the present application;
[0032] Figure 2 Schematic diagram of the intelligent circulation box communication structure in the preferred embodiment of the present application;
[0033] Figure 3 Schematic diagram of the first implementation case in the preferred embodiment of the present application;
[0034] Figure 4 Schematic diagram of the second implementation case in the preferred embodiment of the present application;
[0035] Figure 5 Circuit diagram of the Bluetooth module in the preferred embodiment of the present application;
[0036] Figure 6 Circuit diagram of the 4G module in the preferred embodiment of the present application;
[0037] Figure 7 Circuit diagram of the processor in the preferred embodiment of the present application;
[0038] Figure 8 Circuit diagram of the memory in the preferred embodiment of the present application;
[0039] Figure 9 Circuit diagram of the motor drive in the preferred embodiment of the present application;
[0040] Figure 10 Circuit diagram of the detection circuit in the preferred embodiment of the present application; Detailed Description of the Embodiments
[0041] Next, in combination with the accompanying drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Usually, the components of the embodiments of the present invention described and shown in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but only represents the selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.
[0042] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.
[0043] Please refer to Figure 1 and Figure 2 , a Bluetooth networking system for a circulating logistics box. In order to effectively manage M circulating logistics boxes within a target range, the present invention adopts the method of Bluetooth networking to uniformly incorporate these circulating logistics boxes into the data management system. This target range can be within the same container or on the same truck, etc. Each circulating logistics box is equipped with necessary monitoring components, a storage battery, a power detection module, a remote communication module, and a Bluetooth module, ensuring the independence and functionality of each box. M represents a natural number greater than 1, indicating the number of circulating logistics boxes participating in the networking.
[0044] In the Bluetooth networking system, the present invention designs several key modules to ensure the efficient operation of the system:
[0045] First is the marking module, whose function is to assign a unique electronic identifier to each circulating logistics box (including its internal monitoring components, storage battery, power detection module, remote communication module, and Bluetooth module) within the target range, so that each box can be accurately identified and tracked by the system.
[0046] Secondly is the power management module, which is responsible for regularly receiving the data from the power detection module on each circulating logistics box. By comparing the M remaining power data received, this module can screen out the storage battery with the largest remaining power and define its corresponding remote communication module as the host, while the other remote communication modules are defined as slaves.
[0047] The information reporting module is another important component. The monitoring data of each monitoring element is sent to the host through the Bluetooth module. The host is responsible for caching the received monitoring data and reporting it to the remote terminal. After receiving the monitoring data, the remote terminal will send a successful receipt message to the host, and the host will delete the cached information after receiving this confirmation. If the remote terminal does not receive the monitoring data within the expected time, it will send a receipt failure message to the host, and the host will then send the cached information to the remote terminal again until the remote terminal successfully receives the monitoring data.
[0048] The Bluetooth module and the remote communication module are designed in a normal sleep and periodic wake-up mode to save energy and extend the service life of the device.
[0049] Within the preset time period, if the remote terminal is unable to receive the monitoring data all the time, the system will replace the host in the order of the remaining battery power from large to small until the remote terminal successfully receives the monitoring data.
[0050] Similarly, within the preset time period, if the failure rate of the host sending data exceeds the set threshold, the system will also replace the host in the order of the remaining battery power from large to small until the failure rate drops below the threshold.
[0051] When the number of circulating logistics boxes within the target range increases or decreases, the marking module will reallocate the electronic identification to ensure the accuracy and real-time of the system.
[0052] The monitoring element is an indispensable part of the system. It includes a voltage acquisition module, a vibration detection module, an inclination detection module, and a temperature and humidity detection module. These modules work together to ensure the comprehensive monitoring of the state of the circulating logistics box.
[0053] The remote communication module uses a 4G module, which can ensure the stability and speed of data transmission and maintain good communication capabilities even in remote areas.
[0054] A Bluetooth networking method for a circulating logistics box, comprising:
[0055] S1. By using the marking module, the present invention can assign a unique electronic identification code to each circulating logistics box within the specified range;
[0056] S2. Through the power management module, the present invention can regularly collect the power data transmitted by the power detection module on each circulating logistics box. Subsequently, the present invention will conduct a detailed comparative analysis of the M remaining power data collected, and screen out the battery with the highest remaining power. The present invention designates the remote communication module corresponding to this battery as the host, and the other remote communication modules are defined as slaves;
[0057] S3. During the process of information reporting, the monitoring data collected by each monitoring element is sent to the host through the Bluetooth module. The host is responsible for receiving this monitoring data, temporarily storing it in the cache, and then reporting this data to the remote terminal. Once the remote terminal successfully receives the monitoring data, it will send a successful receipt confirmation message to the host. After receiving this confirmation message, the host will immediately clear the monitoring data in the cache. If the remote terminal fails to receive the monitoring data within the predetermined time, it will send a receipt failure message to the host. After receiving the receipt failure message, the host will resend the monitoring data in the cache to the remote terminal until the remote terminal successfully receives the data.
[0058] If the remote terminal is unable to receive the monitoring data all the time within the preset time period, then the present invention will replace the host in sequence according to the remaining battery power from high to low until the remote terminal successfully receives the monitoring data.
[0059] Similarly, if the transmission failure rate of the host exceeds the set threshold within the preset time period, the present invention will also replace the host in sequence according to the remaining battery power from high to low until the transmission failure rate of the host drops below the threshold.
[0060] In the present invention, each intelligent recycling box is equipped with multiple functions such as Bluetooth communication, 4G communication, vibration detection, tilt detection, and voltage detection. The integration of these functions enables the intelligent recycling box to efficiently perform data exchange and status monitoring.
[0061] In the implementation of the present invention, there is no fixed master-slave relationship among multiple recycling logistics boxes. This means that each recycling logistics box can be used as both a host and a slave. This flexible networking method can well adapt to the actual situation where the networking devices of intelligent recycling boxes are not fixed and change frequently, thus effectively solving the problem of difficult networking and significantly improving the overall success rate of device information reporting.
[0062] First of all, each recycling logistics box has the ability of Bluetooth communication. Under normal conditions, they will be in a sleep state and wake up regularly for Bluetooth broadcasting. During the broadcasting process, they will communicate with the surrounding Bluetooth devices as the host. During the communication process, the data parameters of the host and the slave will be compared and these parameters will be saved. These parameters include but are not limited to power information, successful reporting times, and communication status, etc. Then, they will send the comparison results back to the slave and judge whether the host or the slave will perform 4G communication according to these results. This process will continue to cycle until the communication with all the surrounding intelligent recycling boxes is completed or the predetermined connection duration is exceeded.
[0063] Secondly, each recyclable logistics box has the ability to report to the device. After comparison and judgment through Bluetooth communication, the device with the optimal status will be responsible for 4G communication and upload the status parameters to the cloud. The communication data includes all the data of the communication device and its peripheral devices. The device side will pack the data and upload it in batches. After receiving the data, the cloud will disassemble it and update the information of the corresponding device in the database.
[0064] In addition, each recyclable logistics box also has alarm functions such as vibration, tilt, low battery, temperature and humidity, as well as a switch lock function. In addition to periodic Bluetooth communication, when the device status changes, they will actively broadcast and connect to peripheral devices to update the device status information.
[0065] When a recyclable logistics box serves as the host, it will record the status information of all peripheral devices for quick scanning later. However, due to changes in the recyclable logistics box devices, such as addition or reduction, which often occur, in addition to device status changes, an algorithm is also adopted to enable the sending host to update the status regularly to ensure the activity of the host and thus improve the success rate of reporting.
[0066] When the number of recyclable logistics boxes is large and they are relatively scattered, one device may not be able to report the information of all devices. After receiving the device data, the cloud may contain duplicate information. For this reason, an algorithm is adopted to screen the latest data information and retain the past records for easy search. This reduces the congestion of the broadcast channel and improves the reliability of data transmission.
[0067] Finally, each device can save up to 10 status information of 50 devices in the recent period in the ROM. After reporting the latest data through 4G each time, the historical records can be read through the Bluetooth APP, which is convenient for users to view the historical status information of the device at any time.
[0068] The implementation cases are as follows:
[0069] Figure 3 In, only device A serves as the host, and the remaining devices serve as slaves to centralize the data to A for reporting.
[0070] Figure 4 In, multiple devices A, B, and C serve as the hosts, and the remaining devices serve as slaves to centralize the data to the host devices and then report.
[0071] There are 10 intelligent recyclable boxes within the factory area.
[0072] The device stores time information internally. When the set time is reached, the 10 recyclable boxes start to broadcast and connect.
[0073] 1. Each device sends out a broadcast. Device A scans the broadcast information of peripheral slave devices, and filters them based on two parameters: Bluetooth signal quality and battery level. If the Bluetooth signal strength is high and the battery level is lower than that of its own device B, it will connect to B. If B agrees to the request, it will connect to A as a slave device.
[0074] 2. A sends a data query instruction, and B, as a slave device, receives the instruction and returns its own status data.
[0075] 3. A receives the data sent by B and compares it with its own reported success rate, signal-to-noise ratio, signal quality and other status parameters.
[0076] 4. After comprehensive evaluation, if the status of A is better than that of B, all device information of B including vibration and tilt status will be saved in the ROM, and an instruction will be sent back to make B stop broadcasting and no longer connect to other devices. Then A will continue to work. If the status of B is better than that of A, A will send all its own device information to B and stop its own broadcasting and no longer connect to other devices.
[0077] 5. A communicates with C and repeats the above process until all the information of 10 devices is stored in A or in A and other multiple devices.
[0078] 6. If the ten recycling bins are close enough, all the information of the 10 devices will be stored in A. When it reaches the scheduled reporting time, all the information of the 10 devices will be uploaded to the cloud through the 4G communication module of device A, and the cloud will perform data analysis and update.
[0079] 7. If the ten recycling bins are unevenly placed and there may be devices outside the range, two or more devices will upload data to the cloud through the 4G module.
[0080] 8. For example, when device D fails to connect to A due to its position or other factors, the latest data is transmitted to E, and E reports the latest data. At this time, the data reported by A also includes the past data of D. Then the cloud will compare the time included in the data uploaded by the devices and only update the latest data information.
[0081] 9. When device A is already the master device, it will continue to communicate as the master in the short term and will preferentially connect to the devices stored in the ROM until the number of slave devices changes, or when a device with a better status appears during network refreshing, etc., then it will change.
[0082] Please refer to Figure 5 , in the circuit of the Bluetooth module, the chip selected is PHY6222. In the present invention, PHY6222 is selected as the Bluetooth chip, and its circuit connection relationship is as follows:
[0083] P9 and P10 communicate with external devices to burn programs or read information stored in the Bluetooth internal storage;
[0084] Pins 17 and 18 are connected to a 16 MHz passive crystal oscillator to provide a clock source;
[0085] Please refer to Figure 6 , in the circuit of the 4G module, the chip selection is AIR780E. In this invention, AIR780E is selected as the 4G communication module, and its circuit connection relationship is as follows:
[0086] Pins 11, 12, 13, and 14 are connected to the SIM card to supply power to the IoT SIM card and communicate;
[0087] Pin 35 is led out as a transmitting antenna and connected to the 4G antenna;
[0088] Pins 38 and 39 are DEBUG pins, through which the module is debugged;
[0089] Pins 59, 60, 61, and 82 are led out as USB serial communication pins and can be connected to a computer to burn programs or debug the module;
[0090] Please refer to Figure 7 , the chip selection of the processor is FM33LE025,
[0091] FM33L3025 is used as the main chip to control and process information for the peripheral circuit. The connection and communication relationship are as follows:
[0092] 1. Connect to AIR780E through PA0, PA1, PA4, PB9, and PB10. Among them, PA0 and PA1 are connected to pins 17 and 18 of AIR780E for UART serial communication, PA4 is connected to pin 25 for status judgment, PB9 is connected to pin 7 to control the power on and off of AIR780, and PB10 is connected to pin 25. Through this pin, AIR780E wakes up FM33L3025 to work;
[0093] 2. Lead out pins PA2 and PA3 to leave pads for UART communication with external devices. Through these pins, information of the external device can be read by communicating with the external device;
[0094] 3. Output PWM modulation waves through pins PA5 and PA6 to control the motor drive circuit, which is connected to pins 3 and 4 of AD116 to complete the circuit operation to lock the structure and ensure the basic function of the switch lock of the circulating logistics box;
[0095] 4. Connect to the Bluetooth module PHY6222 through the PB11, PB13, and PB14 pins. Among them, PB11 is connected to pin 22 of PHY6222 to control the reset and restart of the Bluetooth; PB13 and PB14 are connected to pins P2 and P3 for UART communication to achieve the ability to read Bluetooth data or change Bluetooth parameters;
[0096] 5. Connect to pins 3 and 4 of the temperature and humidity detection module through the PC0 and PC1 pins for IIC communication to achieve the reading of the device's environmental temperature and humidity;
[0097] 6. Connect to pins 13 and 14 of the gyroscope module through the PC2 and PC3 pins for IIC communication to achieve the reading of the device's angle state;
[0098] 7. Connect to pins 2 and 12 of the three-axis sensor module through the PC4 and PC5 pins for IIC communication to achieve the reading of the device's vibration state;
[0099] 8. Connect to pins 2, 3, 5, 6, and 7 of the memory through the PC6, PC7, PC8, PC9, and PC10 pins for SPI communication to achieve the storage and reading of the device's status and parameter configuration;
[0100] 9. Connect to an external 32.768khz passive crystal oscillator through the PD9 and PD10 pins, and the crystal oscillator provides a clock source;
[0101] 10. Connect to the voltage acquisition module through the PD11 pin for AD conversion to obtain the power supply voltage value.
[0102] 11. Configure the PD7 and PD8 pins as SWDIO and SWCLK, and lead out these pins to connect to a programmer to burn the program.
[0103] Please refer to Figure 8 , the chip selection for the memory is W25Q128JVSIQ.
[0104] Please refer to Figure 9 , the chip selection for the motor drive circuit is AD116.
[0105] Please refer to Figure 10 , the voltage acquisition module uses a resistive voltage division circuit, the main chip of the vibration detection module is DA213B, the main chip of the tilt detection module is LSM6DS3TR-C, and the main chip of the temperature and humidity detection module is AHT20. These are all chips with stable performance and mature technology in the market.
[0106] The above are only the preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are all included within the protection scope of the present invention.
Claims
1. A Bluetooth networking system for a recycling logistics box, characterized in that: M recycling logistics boxes within the target range are networked by Bluetooth and data management is unified. Each recycling logistics box includes a monitoring element, a battery, a power detection module, a remote communication module and a Bluetooth module installed on the box body. M is a natural number greater than 1. The Bluetooth networking system comprises: A marking module that gives each recycling logistics box within the target range a unique electronic identification; The power management module is used to periodically receive the data from the power detection module on each recycling logistics box, and compare the M remaining power data received, screen out the battery with the largest remaining power, define the remote communication module corresponding to the battery as the host, and define other remote communication modules as slaves; Information reporting module, the monitoring data of each monitoring element is sent to the host through the Bluetooth module. The host caches the received monitoring data and reports it to the remote terminal. When the remote terminal receives the monitoring data, it sends a receipt success message to the host, and the host then deletes the cached information; when the remote terminal does not receive the monitoring data within the expected time, it sends a receipt failure message to the host, and the host then sends the cached information to the remote terminal again until the remote terminal receives the monitoring data.
2. The Bluetooth networking system for a recycling logistics box according to claim 1 is characterized in that: The Bluetooth module and the remote communication module are in a normal sleep and periodic wake-up mode.
3. The Bluetooth networking system for a recycling logistics box according to claim 1 is characterized in that: If the remote terminal still cannot receive the monitoring data within the preset time period, the host is replaced in descending order of remaining power until the remote terminal receives the monitoring data.
4. The Bluetooth networking system for a recycling logistics box according to claim 1 is characterized in that: Within a preset time period, if the host sending failure rate is greater than a threshold, the hosts are replaced in descending order of remaining power until the failure rate is no greater than the threshold.
5. The Bluetooth networking system for a recycling logistics box according to claim 1 is characterized in that: When the number of recyclable logistics boxes within the target range increases or decreases, the marking module will re-mark them electronically.
6. The Bluetooth networking system for a recycling logistics box according to claim 1, characterized in that: The monitoring element includes a voltage acquisition module, a vibration detection module, a tilt detection module and a temperature and humidity detection module.
7. The Bluetooth networking system for a recycling logistics box according to claim 6, characterized in that: The voltage acquisition module is a resistor voltage divider circuit, the main chip of the vibration detection module is DA213B, the main chip of the tilt detection module is LSM6DS3TR-C, and the main chip of the temperature and humidity detection module is AHT20.
8. The Bluetooth networking system for a recycling logistics box according to claim 1, characterized in that: The remote communication module is a 4G module.
9. A Bluetooth networking method for a recycling logistics box, characterized in that: include: S1. Use the marking module to assign a unique electronic identification to each recycling logistics box within the target range; S2. Use the power management module to periodically receive data from the power detection module on each recycling logistics box, and compare the M remaining power data received to screen out the battery with the largest remaining power, define the remote communication module corresponding to the battery as the host, and define the other remote communication modules as slaves; S3, information reporting, the monitoring data of each monitoring element is sent to the host through the Bluetooth module, the host caches the received monitoring data and reports it to the remote terminal, when the remote terminal receives the monitoring data, it sends a receipt success message to the host, and the host then deletes the cached information; When the remote terminal does not receive the monitoring data within the expected time, it sends a receipt failure message to the host, and the host then sends the cached information to the remote terminal again until the remote terminal receives the monitoring data.
10. The Bluetooth networking method for a recycling logistics box according to claim 9, characterized in that: If the remote terminal still cannot receive the monitoring data within the preset time period, the host is replaced in descending order of remaining power until the remote terminal receives the monitoring data; Alternatively, within a preset time period, if the host sending failure rate is greater than a threshold, the hosts are replaced in descending order of remaining power until the failure rate is no greater than the threshold.