A Bluetooth locator for private network low power consumption and ultra-long-range communication

Abstract

This utility model discloses a Bluetooth locator with low power consumption and ultra-long-range communication over a private network. It includes a CPU module unit for data processing, a LoRa wireless management module unit for data communication with a server, a Bluetooth wireless management module unit for collecting and broadcasting Bluetooth information, a sensor detection unit for detecting whether the locator is in motion, and a power management module unit for stabilizing the power supply to the entire device. It also has a pre-set set of USB peripheral interfaces for connecting peripheral devices and expanding functionality according to usage requirements. This utility model's technical solution expands the functionality of the Bluetooth locator, reduces its power consumption, and increases the communication transmission distance.

Description

Technical Field

[0001] This utility model relates to the field of positioning technology, and in particular to a Bluetooth locator for private network low-power ultra-long-range communication. Background Technology

[0002] The locator device market has broad prospects and irreplaceable application scenarios. Bluetooth locators with private network low power consumption and ultra-long-range communication are innovative products that fall between traditional cellular locators and traditional locators. They not only meet the functional attributes of traditional locators but also enable private network communication, while being small, convenient to wear, and irreplaceable in various application scenarios. However, current locators still have many uncovered application areas, and these shortcomings have become bottlenecks hindering the rapid growth of locators across all fields.

[0003] With the development of IoT technology, various wireless technologies have emerged. Among these, LoRa technology, a form of LPWAN communication technology, has gained recognition in the IoT community due to its long-range, low-power, multi-node, and low-cost characteristics. It is particularly suitable for areas where cellular networks cannot provide coverage. This locator is based on this private network low-power ultra-long-range communication technology.

[0004] Therefore, existing technologies have shortcomings and need to be improved. Utility Model Content

[0005] The main purpose of this invention is to propose a Bluetooth locator with low power consumption and ultra-long distance communication over a private network. The aim is to expand the locator's functions, increase the private network communication function and communication distance, and reduce the locator's power consumption. At the same time, it enables the location function by collecting and broadcasting signals through Bluetooth.

[0006] To achieve the above objectives, this utility model proposes a Bluetooth locator with low power consumption and ultra-long-range communication over a private network, comprising a CPU module unit for data processing, a LoRa wireless management module unit for data communication with a private network server, a Bluetooth wireless management module unit for collecting and broadcasting Bluetooth information, a sensor detection unit for detecting whether the locator is in motion, a power management module unit for providing regulated power to the entire device, and a pre-set set of USB peripheral interfaces for connecting peripheral devices and expanding functionality according to usage requirements; The CPU module unit includes a main control chip of model STM32WB07CCV6TR, the Bluetooth wireless management module unit is connected to a Bluetooth gain RF antenna, the LoRa wireless management module unit is connected to a LoRa gain RF antenna, and the sensor detection unit includes a triaxial sensor.

[0007] Preferably, the Bluetooth wireless management module unit includes a Bluetooth BLE 5.0 chip, which is a Bluetooth CPU chip SOC STM32WB07CCV6TR, compatible with both CPU processor functions and Bluetooth wireless radio frequency functions. The Bluetooth CPU SOC chip is connected to a 32MHz Crystal oscillator and a 32.768KHz clock oscillator.

[0008] Preferably, the LoRa wireless management module unit includes a LoRa RF chip of model SX1262. The LoRa wireless management module unit is connected to the CPU module unit through a GPIO interface to control the LoRa wireless RF communication. An RF switch chip of model PE4259-63 is provided between the LoRa wireless management module unit and the LoRa gain RF antenna for controlling the reception and transmission of RF signals. The LoRa chip is connected to a 32MHz Crystal oscillator. At the same time, the LoRa chip's RF connection is an RF switch chip that controls the reception and transmission of RF signals through a GPIO interface.

[0009] Preferably, the sensor measurement module unit includes a sensor of model DA217.

[0010] Preferably, the power management module unit includes a DC-DC boost chip of model TPS613221ADBVR, which is used to regulate the external input power supply to 3.3V.

[0011] Preferably, a set of USB peripheral interfaces is reserved in the design, which can be connected to peripheral functional components to expand the functions according to usage requirements.

[0012] Compared with existing technologies, the advantages of this invention are: It utilizes LoRa wireless technology to achieve long-range, low-power communication for the locator, without relying on traditional cellular networks. The LoRa network allows for deployment in both public and private networks, and also provides manufacturers with access to large application datasets. Furthermore, by setting up multiple sensors, it enables real-time monitoring of the user's activity status and achieves precise positioning. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0014] Figure 1This is a schematic diagram of the Bluetooth locator principle module for low-power ultra-long-distance communication in a private network, according to this utility model. Figure 2 This is the schematic diagram of the CPU module unit circuit of this utility model; Figure 3 This is the circuit schematic diagram of the power management module of this utility model; Figure 4 This is a schematic diagram of the LoRa wireless management module unit circuit of this utility model; Figure 5 This is a schematic diagram of the sensor management module unit circuit of this utility model; Figure 6 This is a schematic diagram of the peripheral interface management module unit circuit of this utility model; The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0015] This embodiment proposes a Bluetooth locator for private network low-power ultra-long-range communication. refer to Figure 1 It includes a CPU module unit for data processing, a Bluetooth wireless management module unit for collecting Bluetooth information, a LoRa wireless management module unit for data communication with the server, a sensor detection unit for monitoring motion data, a power management module unit for providing regulated power to the device, and a peripheral interface management module unit. refer to Figure 2 The CPU module unit includes a main control chip of model STM32WB07CCV6TR. The Bluetooth wireless management module unit is connected to a Bluetooth gain RF antenna. It is connected to the LoRa wireless unit and sensor detection unit through GPIO, and is also connected to the pre-external GPS module unit.

[0016] The CPU module unit uploads the detected device status information to the cloud data platform for service monitoring via the LoRa wireless management module unit. The CPU module unit connects to the LoRa wireless management module unit via a GPIO interface, and through the configured functional logic, uses the GPIO interface to operate the LoRa wireless management module unit, enabling LoRaWAN data access and status data uplink / downlink functions. The CPU module unit also interacts with the BLE wireless management module unit via internal protocol stack control, controlling the BLE wireless management module unit to perform BLE operations through the configured functional logic. The iBeacon hotspot information is continuously broadcast outwards at regular intervals. The CPU module unit and the reserved peripheral GPS wireless management module unit receive outdoor satellite ephemeris data to complete satellite positioning. At the same time, the searched positioning data information is sent back to the CPU module unit. According to the set logic function, the satellite positioning data is sent back to the cloud data service platform for business monitoring through the LoRa wireless management module unit. The CPU module unit connects to the motion sensor through the I2C interface. Through the set working logic, it periodically and continuously checks and collects the continuous motion detection status information of the sensor. The collected motion status information is sent back to the CPU module unit. According to the set logic function, the motion collection data is sent back to the cloud data service platform for business monitoring through the LoRa wireless management module unit.

[0017] Further, refer to Figure 3 The power management module includes a TPS613221A DC-DC boost converter chip, which boosts and regulates the battery input power to 3.3V. The battery is a disposable, non-rechargeable lithium manganese dioxide battery with an output voltage of 3V. When the battery discharges, the 3V power is boosted and regulated to 3.3V by the DC-DC boost converter chip to supply the LoRa RF management module, shunt and regulated to 3.3V to the CPU module, shunt and regulated to 3.3V to the sensor detection unit, and external GPS unit module, thus completing power management.

[0018] Further, refer to Figure 4The LoRa wireless management module unit includes a LoRa RF chip (model SX1262) and an RF switch chip (model PE4259-63) for controlling the reception and transmission of RF signals. The LoRa wireless management module unit is connected to the CPU module unit via a GPIO interface. A DC-DC boost converter provides 3.3V power to pins 1 / 10 / 11 of the LoRa chip. The LoRa chip is connected to the CPU module unit via interfaces 13 / 14 / 15 / 16 / 17 / 18 / 19. The LoRa_RF switch is controlled by DIO2 of the SX1262 and the CPU's GPIO pins to control RF transmission and reception. The LoRa function is controlled by the CPU module unit through the GPIO interface to enable wireless network connection and complete uplink and downlink LoRa data transmission. An external RF antenna is connected through the RF interface terminal of the LoRa circuit to complete the RF antenna circuit for wireless information transmission and reception.

[0019] Further, refer to Figure 5 The system employs a DA217 motion sensor for motion state data acquisition. The sensor detection unit includes a DA217 triaxial accelerometer, which interacts with the CPU module via an I2C interface. After power-on, the sensor continuously acquires and aggregates status data. The CPU module interacts with the sensor via its interface to complete the sensor information collection function.

[0020] Further, refer to Figure 6 This is a set of peripheral TPIE-C physical interfaces that can connect to peripheral expansion functions, such as connecting to an external GPS wireless management module unit. The satellite signal received through the RFIN radio frequency pin of the external GPS unit is amplified by the GPS antenna of the external device, filtered by the amplifier circuit and then input to the satellite positioning processing part of the GPS module unit to complete the satellite positioning function. At the same time, through the UART serial port, information such as latitude and longitude coordinates is output to the CPU module unit. After processing by the CPU module unit, the satellite positioning information is uploaded to the cloud server through the LoRa wireless management module unit according to the set logic.

[0021] Furthermore, the circuit design includes a set of TPL5010 nanopower system timers with watchdog and reset functions. This design ensures the device can restart in case of abnormal states such as system crashes during operation, guaranteeing continuous normal operation.

[0022] Furthermore, the circuit design includes a set of push-button switches, which can control the device to perform functions such as power on / off and SOS alarm. This implements the push-button functionality.

[0023] Furthermore, the circuit design also includes a set of LED status indicators, which can individually indicate the working status of the device.

[0024] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A Bluetooth locator for low-power, ultra-long-range communication over a private network, characterized in that, It includes a CPU module unit for data processing, a LoRa wireless management module unit for data communication with a private network server, a Bluetooth wireless management module unit for collecting and broadcasting Bluetooth information, a sensor detection unit for detecting the current motion state of the locator, a power management module unit for providing regulated power to the whole machine, and a set of USB peripheral interfaces that can be connected to peripheral devices to expand functionality. The CPU module unit includes a main control chip of model STM32WB07CCV6TR, the LoRa wireless management module unit is connected to a LoRa gain RF antenna, the Bluetooth wireless management module unit is connected to a Bluetooth gain RF antenna, and the sensor detection unit includes a triaxial sensor.

2. The low-power, ultra-long-range Bluetooth locator as described in claim 1, characterized in that, The Bluetooth wireless management module unit for collecting and broadcasting Bluetooth information adopts the Bluetooth function of the Bluetooth SOC main control chip STM32WB07CCV6TR.

3. The low-power, ultra-long-range Bluetooth locator as described in claim 1, characterized in that, The LoRa wireless management module unit includes an RF chip of model SX1262. The LoRa wireless management module unit is connected to the CPU module unit through a GPIO interface. An RF switch chip, model PE4259-63, is provided between the LoRa wireless management module unit and the LoRa gain RF antenna to control the reception and transmission of RF signals.

4. The low-power, ultra-long-range communication Bluetooth locator as described in claim 1, characterized in that, The sensor detection unit includes a DA217 triaxial sensor, and the sensor detection unit is connected to the CPU module unit via an I2C interface.

5. The low-power, ultra-long-range communication Bluetooth locator as described in claim 1, characterized in that, The power management module unit includes a DC-DC boost chip of model TPS613221ADBVR, which is used to regulate the external input power supply to 3.3V.

6. The low-power, ultra-long-range Bluetooth locator as described in claim 1, characterized in that, The USB peripheral interface is a Type-C interface, which can be connected to peripherals such as GPS positioning modules to expand functionality.

Images