Electronic badge integrating multiple communication modes
By integrating multiple communication modes into the electronic work badge, the problems of signal loss and insufficient positioning accuracy of traditional work badges in complex environments are solved, achieving stable positioning and data transmission, and meeting the security monitoring needs of multiple scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG KAER ELECTRIC
- Filing Date
- 2025-09-02
- Publication Date
- 2026-08-04
AI Technical Summary
Traditional electronic name tags suffer from signal loss in complex environments, leading to positioning failure or data transmission failure. They also have insufficient positioning accuracy and high power consumption, making it difficult to meet the needs of long-term wear.
It integrates multiple communication modules such as 4G LTE Cat1, Bluetooth, and LoRa, and combines GNSS, Bluetooth, and LoRa antennas. The main control module coordinates the work of each module to achieve communication and positioning in multiple scenarios.
Achieve stable positioning and data transmission in complex environments, meet the needs of personnel management and security monitoring in multiple scenarios, and reduce power consumption.
Smart Images
Figure CN224596614U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic employee badge technology, specifically an electronic employee badge integrating multiple communication modes. Background Technology
[0002] With the increasing demands for industrial intelligence and personnel management, electronic work badges, as portable smart devices, are widely used in enterprises, mines, construction sites, and other scenarios. Traditional electronic work badges typically use a single communication mode (such as 4G or Bluetooth), which cannot adapt to the communication needs in complex environments. For example, in underground mines or indoor scenarios without 4G signal coverage, traditional work badges may experience positioning failure or data transmission failure due to signal loss, affecting the efficiency of personnel safety monitoring and management. In addition, the positioning function of existing electronic work badges is limited, mostly relying on GPS or Bluetooth as the sole positioning method. The positioning accuracy is insufficient indoors or in scenarios with signal obstruction, and the power consumption is high, making it difficult to meet the needs of prolonged wear. Summary of the Invention
[0003] This utility model addresses the shortcomings and deficiencies of existing technologies by providing an electronic work badge that integrates multiple communication modes. Through various communication modules such as 4G LTE Cat1, Bluetooth, and LoRa, it covers communication needs in all scenarios, including office buildings, mines, and the field.
[0004] To achieve the above objectives, this utility model provides the following technical solution: This application provides an electronic work badge integrating multiple communication modes, including a main control module, a positioning module, a SIM card module, a Bluetooth module, a LoRa module, and a power supply module; the main control module is connected to the positioning module, the SIM card module, the Bluetooth module, the LoRa module, and the power supply module respectively; It also includes a main antenna, a GNSS antenna, a Bluetooth antenna, and a LoRa antenna. The main antenna is connected to the main control module via a radio frequency module, the GNSS antenna is connected to the positioning module, the Bluetooth antenna is connected to the Bluetooth module, and the LoRa antenna is connected to the LoRa module.
[0005] Preferably, the main control module is provided with a UART communication interface, a SIM controller interface, GPIO pins and a power management interface.
[0006] Preferably, the GNSS antenna is a flexible FPC antenna, the power supply pin of the positioning module is connected to the 3.3V output terminal of the main control module, the TXD pin of the positioning module is connected to the UART_RX pin of the main control module, and the RXD pin is connected to the UART_TX pin of the main control module.
[0007] Preferably, the SIM card module includes a USIM_CLK clock pin, a USIM_DATA data pin, a USIM_RSTN reset pin, and a USIM_DET detection pin. The USIM_CLK, USIM_DATA, and USIM_RSTN are respectively connected to the corresponding pins of the SIM controller of the main control module. The USIM_DET pin is connected to the GPIO pin of the main control module. The power supply terminal of the SIM card module is connected to the 1.8V output terminal of the power supply module.
[0008] Preferably, the Bluetooth antenna is a flexible FPC antenna, the BT_TXD and BT_RXD pins of the Bluetooth module are connected to the GPIO pins of the main control module, the BT_INT interrupt pin is connected to the interrupt pin of the main control module, and the power supply of the Bluetooth module is connected to the power supply module through a 3.3V voltage regulator chip.
[0009] Preferably, the LoRa antenna is a flexible FPC antenna, the UART_RX pin of the LoRa module is connected to the UART_TX_LoRa pin of the main control module, the UART_TX pin of the LoRa module is connected to the UART_RX_LoRa pin of the main control module, the NRESET pin of the LoRa module is connected to the NRESET_LoRa reset pin of the main control module, the WAKE pin of the LoRa module is connected to the WAKE_LoRa wake-up pin of the main control module, and the power supply terminal of the LoRa module is connected to the 3.3V output terminal of the power supply module.
[0010] Preferably, the main antenna is a flexible FPC antenna, and the main antenna is connected to the RF input terminal of the RF module through an impedance matching circuit.
[0011] Preferably, the electronic badge further includes a voice recognition module, a recording module, a microphone, and a speaker; the voice recognition module is connected to the main control module via an SPI interface, the recording module is connected to the main control module via an I2S interface, the microphone is connected to the audio input terminal of the recording module, and the speaker is connected to the audio output terminal of the recording module.
[0012] Preferably, the electronic work badge further includes a WiFi module, which is connected to the main control module via an SDIO interface.
[0013] This utility model has the following beneficial effects: This application presents an integrated multi-communication mode electronic work badge. The main control module coordinates the collaborative work of all modules; the positioning module, paired with a GNSS antenna, achieves precise positioning; the SIM card module, in conjunction with the main antenna, supports wide-area communication; the Bluetooth module and antenna adapt to short-range interaction and indoor positioning; the LoRa module and antenna meet the needs of long-distance, base station-free coverage scenarios; the WiFi module assists indoor positioning and saves data usage; and the power supply module ensures stable power supply and supports low-power operation. It is adaptable to various scenarios such as office buildings, open outdoor areas, and underground mines, enabling personnel location tracking, data transmission, and communication functions. This avoids positioning failures or communication interruptions in complex environments, meeting the diverse needs of personnel management and security monitoring in different scenarios. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the frame structure of the electronic work badge shown in an embodiment of the present utility model; Figure 2 This is a front view structural diagram of the electronic work badge shown in an embodiment of the present utility model; Figure 3 This is a schematic diagram of the main control module circuit connection of the electronic work badge shown in this embodiment of the present invention; Figure 4 This is a schematic diagram of the positioning module circuit connection of the electronic work badge shown in an embodiment of the present utility model; Figure 5 This is a schematic diagram of the SIM card module circuit connection of the electronic work badge shown in this embodiment of the present invention; Figure 6 This is a schematic diagram of the Bluetooth module circuit connection of the electronic work badge shown in an embodiment of the present utility model; Figure 7 This is a schematic diagram of the LoRa module circuit connection of the electronic work badge shown in an embodiment of this utility model. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0016] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example
[0017] Please see Figure 1-7 This utility model provides a technical solution: like Figure 1 , Figure 2 As shown, this embodiment provides an electronic badge integrating multiple communication modes. The main body 1 of the electronic badge is a rectangular thin sheet structure. The front of the main body 1 is provided with a display screen, and buttons are provided on the front and sides of the main body 1. The following modules are integrated internally: a main control module, a positioning module, a SIM card module, a Bluetooth module, a LoRa module, and a power supply module. The main control module is connected to the positioning module, SIM card module, Bluetooth module, LoRa module, and power supply module respectively. It also includes a main antenna, a GNSS antenna, a Bluetooth antenna, and a LoRa antenna. The main antenna is connected to the main control module via a radio frequency module, the GNSS antenna is connected to the positioning module, the Bluetooth antenna is connected to the Bluetooth module, and the LoRa antenna is connected to the LoRa module.
[0018] Preferably, the main control module is provided with a UART communication interface, a SIM controller interface, GPIO pins and a power management interface.
[0019] like Figure 3 As shown in the embodiments of this application, the main control module can adopt an STM32F407VET6 microcontroller, integrating an ARM Cortex-M4 core with a main frequency of 168MHz, supporting multiple communication interfaces such as UART, SPI, and I2C, and is responsible for coordinating the work of each module. Optionally, the main control module is connected to a crystal oscillator circuit and a power supply circuit. The main control module is connected to an external 8MHz passive crystal oscillator, with a 20pF capacitor connected in parallel to ground to provide the system clock for the main control; a 100μF electrolytic capacitor and a 10nF ceramic capacitor are connected in parallel at the 3.3V power input terminal for filtering and voltage regulation.
[0020] Preferably, the GNSS antenna+ is a flexible FPC antenna, the power supply pin of the positioning module is connected to the 3.3V output terminal of the main control module, the TXD pin of the positioning module is connected to the UART_RX pin of the main control module, and the RXD pin is connected to the UART_TX pin of the main control module.
[0021] like Figure 4As shown in the embodiment of this application, the GNSS antenna is a flexible FPC antenna, attached to the back of the employee badge. The positioning module can use the AT6558R-5N32 chip, supporting GPS L1, GLONASS G1, Beidou B1, and QZSS four-frequency positioning. It communicates with the main control module through the UART interface. Its TXD pin is connected to the UART2_RX pin of the main control module, and its RXD pin is connected to the UART2_TX pin of the main control module. The GNSS_3V3 pin of the positioning module is connected to the main control 3.3V output, the VDD_TCXO pin is connected to the 3.3V clock power supply, and the TCXO_IN pin is connected to an external 26MHz temperature-compensated crystal oscillator with a 12pF matching capacitor in parallel. The ANT_GPS pin is connected to the GNSS antenna through a 50Ω impedance matching circuit, which includes an LC filter network consisting of a 10nH inductor and a 15pF capacitor.
[0022] Preferably, the SIM card module includes a USIM_CLK clock pin, a USIM_DATA data pin, a USIM_RSTN reset pin, and a USIM_DET detection pin. The USIM_CLK, USIM_DATA, and USIM_RSTN are respectively connected to the corresponding pins of the SIM controller of the main control module. The USIM_DET pin is connected to the GPIO pin of the main control module. The power supply terminal of the SIM card module is connected to the 1.8V output terminal of the power supply module.
[0023] like Figure 5 As shown in the embodiments of this application, the electronic work badge supports Nano-SIM cards and can use the SIM800C chip. The USIM_CLK, USIM_DATA, and USIM_RSTN pins of the SIM card module are respectively connected to the SIM controller of the main control module, and the USIM_DET pin is connected to the WAKEUP2 pin of the main control module to detect the SIM card insertion status.
[0024] Preferably, the Bluetooth antenna is a flexible FPC antenna, the BT_TXD and BT_RXD pins of the Bluetooth module are connected to the GPIO pins of the main control module, the BT_INT interrupt pin is connected to the interrupt pin of the main control module, and the power supply of the Bluetooth module is connected to the power supply module through a 3.3V voltage regulator chip.
[0025] like Figure 6As shown in the embodiments of this application, the Bluetooth antenna is an FPC antenna integrated into the edge of the employee badge. The Bluetooth module can use a TI CC2564 chip, supporting the Bluetooth 5.0 protocol. The HOST_WAKE_BT pin is connected to the GPIO8 pin of the main control module, outputting a high level to wake up the Bluetooth module; the BT_RST pin is connected to the GPIO9 pin of the main control module, outputting a low level to reset the module. The BT_RF pin is connected to the Bluetooth antenna through a balun filter, the balun model is B76G20D, used for balanced-to-unbalanced conversion. The BT_TXD_GPIO17 pin of the Bluetooth module is connected to the GPIO18 pin of the main control module, the BT_RXD_GPIO16 pin is connected to the GPIO19 pin of the main control module, and the BT_INT interrupt pin is connected to the AGPIOWU2 pin of the main control module.
[0026] Preferably, the LoRa antenna is a flexible FPC antenna, the UART_RX pin of the LoRa module is connected to the UART_TX_LoRa pin of the main control module, the UART_TX pin of the LoRa module is connected to the UART_RX_LoRa pin of the main control module, the NRESET pin of the LoRa module is connected to the NRESET_LoRa reset pin of the main control module, the WAKE pin of the LoRa module is connected to the WAKE_LoRa wake-up pin of the main control module, and the power supply terminal of the LoRa module is connected to the 3.3V output terminal of the power supply module.
[0027] like Figure 7 As shown in the embodiments of this application, the LoRa antenna is connected via an IPEX interface. The LoRa module can use an SX1278 chip, operating in the 433MHz frequency band. The UART_RX pin of the LoRa module is connected to the UART8_TX_LoRa pin of the main control module, and the UART_TX pin of the LoRa module is connected to the UART8_RX_LoRa pin of the main control module to realize data interaction with the main control module. The NRESET pin of the LoRa module is connected to the NRESET_LoRa reset pin of the main control module for resetting the LoRa module. The WAKE pin of the LoRa module is connected to the WAKE_LoRa wake-up pin of the main control module for waking up the LoRa module. The HOST_WAKE pin of the LoRa module is connected to the LoRa_WAKE_MCU wake-up pin of the main control module for waking up the main control module. The VCC_LoRa pin is connected to a 3.3V power supply after a 100Ω resistor in series, and a 10μF electrolytic capacitor and a 1nF ceramic capacitor are connected in parallel to reduce power supply noise.
[0028] Preferably, the main antenna is a flexible FPC antenna, and the main antenna is connected to the RF input terminal of the RF module through an impedance matching circuit.
[0029] In the embodiments of this application, the charging module includes a lithium battery, a charging chip TP4056, and a USB Type-C interface. The VCC pin of the TP4056 is connected to the USB 5V, and the BAT pin is connected to the positive terminal of the lithium battery. The lithium battery output is connected to the AMS1117-3.3V to supply 3.3V power, which powers the main control module and various peripherals. The PROG pin of the TP4056 is connected to ground with a 2kΩ resistor to set the charging current to 500mA. A 1A fuse is connected in series between the BAT pin and the lithium battery to prevent overcharging and short circuit. The AMS1117-3.3V input is connected to the 3.7V output of the lithium battery, and a 220μF capacitor is connected in parallel at the output terminal, with a ripple voltage ≤50mV.
[0030] Preferably, the electronic badge further includes a voice recognition module, a recording module, a microphone, and a speaker; the voice recognition module is connected to the main control module via an SPI interface, the recording module is connected to the main control module via an I2S interface, the microphone is connected to the audio input terminal of the recording module, and the speaker is connected to the audio output terminal of the recording module.
[0031] In the embodiments of this application, the voice recognition module can use an offline voice recognition chip of model LD3320, which supports keyword wake-up function. The INT interrupt pin of the voice recognition module is connected to the EXTI interrupt pin of the main control module, and the CS chip select pin of the voice recognition module is connected to the GPIO22 pin of the main control module. The recording module can use a WM8960 audio codec chip, which supports PCM format recording. The SCLK clock pin, SDIN data input pin, and SDOUT data output pin of the recording module are respectively connected to the corresponding pins of the I2S interface of the main control module. The VDD pin of the recording module is connected to the 3.3V output terminal of the power supply module through an LDO voltage regulator chip. The microphone is a MEMS silicon microphone, which is connected to the MICP / MICN differential input terminal of the recording module with a 2.2kΩ bias resistor. The speaker is an 8Ω / 0.5W miniature speaker, which is connected to the LINE_OUT pin of the recording module through an audio power amplifier chip TPA6211A1.
[0032] Preferably, the electronic work badge further includes a WiFi module, which is connected to the main control module via an SDIO interface.
[0033] The electronic work badges used in this application can be illustrated in the following scenarios: Office building interior scene Positioning method: The electronic name tag connects to a Bluetooth beacon deployed in the corridor via a Bluetooth module to receive iBeacon signals. The main control module calculates the name tag's position using an RSSI signal strength algorithm.
[0034] Communication method: When a WiFi signal is detected, the main control module wakes up the WiFi module, connects through the SDIO interface, and uses WiFi to upload location data to the management platform, reducing 4G network traffic consumption.
[0035] outdoor open space Positioning method: The positioning module simultaneously receives satellite signals from GPS, BeiDou, GLONASS and other satellites, calculates coordinates through a fusion algorithm, and the main control module packages the location data with the NMEA-0183 protocol through the 4G LTE Cat1 network and uploads it to the management platform via TCP / UDP.
[0036] underground mine scene Positioning method: The location is marked by Bluetooth beacons deployed in the alley, and the main control module calculates the position of the work badge by RSSI signal strength algorithm.
[0037] Communication method: Due to the lack of 4G and WiFi coverage, the LoRa module connects to the LoRa base station in the mine and transmits data to the management platform using the AES-128 encryption protocol. The data may include location, work badge battery level, emergency button status, etc.
[0038] The above are merely application scenario examples of this application embodiment. In actual use, the usage logic of the communication module can be set according to the network environment of the scenario.
[0039] It should be noted that the terminology used above is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0040] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.
[0041] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.
[0042] The above description is only a preferred embodiment of the present utility model. The protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An electronic work badge integrating multiple communication modes, characterized in that, It includes a main control module, a positioning module, a SIM card module, a Bluetooth module, a LoRa module, and a power supply module; the main control module is connected to the positioning module, the SIM card module, the Bluetooth module, the LoRa module, and the power supply module respectively; It also includes a main antenna, a GNSS antenna, a Bluetooth antenna, and a LoRa antenna. The main antenna is connected to the main control module via a radio frequency module, the GNSS antenna is connected to the positioning module, the Bluetooth antenna is connected to the Bluetooth module, and the LoRa antenna is connected to the LoRa module.
2. The electronic work badge according to claim 1, characterized in that, The main control module is equipped with a UART communication interface, a SIM controller interface, GPIO pins, and a power management interface.
3. The electronic work badge according to claim 2, characterized in that, The GNSS antenna is a flexible FPC antenna. The power supply pin of the positioning module is connected to the 3.3V output terminal of the main control module. The TXD pin of the positioning module is connected to the UART_RX pin of the main control module, and the RXD pin is connected to the UART_TX pin of the main control module.
4. The electronic work badge according to claim 2, characterized in that, The SIM card module includes a USIM_CLK clock pin, a USIM_DATA data pin, a USIM_RSTN reset pin, and a USIM_DET detection pin. The USIM_CLK, USIM_DATA, and USIM_RSTN pins are respectively connected to the corresponding pins of the SIM controller of the main control module. The USIM_DET pin is connected to the GPIO pin of the main control module. The power supply terminal of the SIM card module is connected to the 1.8V output terminal of the power supply module.
5. The electronic work badge according to claim 2, characterized in that, The Bluetooth antenna is a flexible FPC antenna. The BT_TXD and BT_RXD pins of the Bluetooth module are connected to the GPIO pins of the main control module, and the BT_INT interrupt pin is connected to the interrupt pin of the main control module. The power supply of the Bluetooth module is connected to the power supply module through a 3.3V voltage regulator chip.
6. The electronic work badge according to claim 2, characterized in that, The LoRa antenna is a flexible FPC antenna. The UART_RX pin of the LoRa module is connected to the UART_TX_LoRa pin of the main control module, the UART_TX pin of the LoRa module is connected to the UART_RX_LoRa pin of the main control module, the NRESET pin of the LoRa module is connected to the NRESET_LoRa reset pin of the main control module, and the WAKE pin of the LoRa module is connected to the WAKE_LoRa wake-up pin of the main control module. The power supply terminal of the LoRa module is connected to the 3.3V output terminal of the power supply module.
7. The electronic work badge according to claim 1, characterized in that, The main antenna is a flexible FPC antenna, and the main antenna is connected to the RF input terminal of the RF module through an impedance matching circuit.
8. The electronic work badge according to claim 1, characterized in that, The electronic work badge also includes a voice recognition module, a recording module, a microphone, and a speaker; the voice recognition module is connected to the main control module via an SPI interface, the recording module is connected to the main control module via an I2S interface, the microphone is connected to the audio input terminal of the recording module, and the speaker is connected to the audio output terminal of the recording module.
9. The electronic work badge according to claim 1, characterized in that, The electronic work badge also includes a WiFi module, which is connected to the main control module via an SDIO interface.