Emergency resource internet-of-things detection terminal

Abstract

The utility model discloses an emergency resource internet-of-things detection terminal, which comprises a shell and a circuit mainboard, an SIM card slot, a satellite positioning antenna threaded connector, a mobile network antenna threaded connector and an RS485 threaded connector are arranged on the shell, the SIM card slot is connected with a mobile network module, the satellite positioning antenna threaded connector is connected with a satellite positioning module, and the RS485 threaded connector is connected with the mobile network module. The mobile network antenna threaded connector is connected with the mobile network module, and the RS485 threaded connector is connected with the RS485 module. The RS485 threaded connector and the emergency resource form reliable connection and collect Internet of Things data, and when a mobile network and a satellite positioning signal are poor, the external satellite positioning antenna threaded connector and the mobile network antenna threaded connector are connected with an external antenna, so that stable mobile network and satellite positioning connection can be provided; the reliability of the detection terminal is improved, and effective monitoring is realized for emergency resources.

Description

Technical Field

[0001] This utility model belongs to the field of Internet of Things (IoT) technology, specifically relating to an emergency resource IoT detection terminal. Background Technology

[0002] Emergency resource intelligent IoT management technology has developed rapidly in my country, and its advantages in large-scale equipment, cross-regional networking, and flexible dispatch are becoming increasingly apparent. Online monitoring technology for emergency equipment is widely used in rescue, construction, and firefighting systems. With the gradual enrichment and improvement of detection methods, the application of online monitoring technology allows for effective monitoring and comprehensive analysis of the health status of monitored equipment, enabling the prediction of equipment defects and malfunctions, and allowing for planned handling and prevention. Online monitoring systems cover the main electrical equipment of emergency resource stations.

[0003] Emergency rescue supplies often require manual inspection and maintenance, which is difficult. Unexpected situations such as engine failure and fuel shortages can prevent the immediate mobilization of these supplies for rapid and efficient rescue operations. Therefore, collecting equipment operating parameters such as oil temperature, engine speed, and fuel level through online monitoring terminals, uploading the collected data to a platform, and storing it in a database ensures the reliability of emergency resources. However, current technologies suffer from insufficient network connectivity and positioning reliability in emergency resource IoT monitoring terminals, impacting the overall reliability of emergency resources. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of insufficient network connection and positioning reliability of existing emergency resource IoT detection terminals, and to provide an emergency resource IoT detection terminal.

[0005] An emergency resource IoT detection terminal includes a housing and a circuit board, with the circuit board fixed inside the housing. The circuit board includes a main control module, an RS485 module, a satellite positioning module, and a mobile network module. The main control module is connected to the RS485 module, the satellite positioning module, and the mobile network module. The RS485 module acquires IoT data and inputs it to the main control module. The satellite positioning module acquires positioning data and inputs it to the main control module. The mobile network module connects the main control module to a backend server via a network. The housing is equipped with a USB interface, a SIM card slot, a satellite positioning antenna threaded connector, a mobile network antenna threaded connector, and an RS485 threaded connector. The USB interface is connected to the main control module, the SIM card slot is connected to the mobile network module, the satellite positioning antenna threaded connector is connected to the satellite positioning module, the mobile network antenna threaded connector is connected to the mobile network module, and the RS485 threaded connector is connected to the RS485 module.

[0006] Furthermore, the outer shell is cubic in shape, including a square tubular outer shell body and a front panel and a rear panel. The outer shell body is fixed to the front panel and the rear panel respectively on the front and rear sides of the opening by bolts.

[0007] Furthermore, the USB interface and the SIM card slot are located on the front panel.

[0008] Furthermore, it also includes a waterproof plug, which is fitted to the front panel and covers the USB interface and the SIM card slot.

[0009] Furthermore, the satellite positioning antenna threaded connector, the mobile network antenna threaded connector, and the RS485 threaded connector are located on the rear panel.

[0010] Furthermore, a charging indicator light, a satellite positioning indicator light, and a mobile network indicator light are provided on the front panel. The charging indicator light, the satellite positioning indicator light, and the mobile network indicator light are respectively connected to the circuit motherboard to indicate the working status of the circuit motherboard.

[0011] Furthermore, a terminal switch button is provided on the front panel, which is connected to the circuit board and is used to control the switching of the circuit board.

[0012] Furthermore, at least one groove is provided on the lower side of the outer casing body, and the magnet is fixed in the groove.

[0013] Furthermore, the lower left and right sides of the outer shell body extend to the left and right sides respectively to form mounting ears, and waist-shaped holes are provided on the mounting ears.

[0014] Furthermore, multiple parallel heat dissipation grooves are formed on the upper side of the outer shell body.

[0015] Beneficial Effects: This utility model discloses an emergency resource IoT detection terminal, including a shell and a circuit board. The shell is equipped with a USB interface, a SIM card slot, a satellite positioning antenna threaded connector, a mobile network antenna threaded connector, and an RS485 threaded connector. The USB interface connects to the main control module, the SIM card slot connects to the mobile network module, the satellite positioning antenna threaded connector connects to the satellite positioning module, the mobile network antenna threaded connector connects to the mobile network module, and the RS485 threaded connector connects to the RS485 module. The RS485 threaded connector establishes a reliable connection with the emergency resources and collects IoT data. Furthermore, when mobile network and satellite positioning signals are weak, an external antenna can be connected via the external satellite positioning antenna threaded connector and the mobile network antenna threaded connector to provide a stable mobile network and satellite positioning connection, improving the reliability of the detection terminal and enabling effective monitoring of emergency resources. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application 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 application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] 1. Figures 1-4 This is a schematic diagram of the outer shell structure of this utility model;

[0018] 2. Figures 5-8 This is a circuit schematic diagram of the main circuit board of this utility model.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Main body of the outer shell; 11. Groove; 12. Mounting ear; 13. Heat dissipation groove; 2. Front panel; 21. USB interface; 22. SIM card slot; 23. Indicator light; 24. Terminal switch button; 3. Rear panel; 31. Satellite positioning antenna threaded connector; 32. Mobile network antenna threaded connector; 33. RS485 threaded connector. Detailed Implementation

[0021] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0022] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and 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 of this application.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0024] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," 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, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0025] Reference Figures 1-4 As shown, this embodiment provides an emergency resource IoT detection terminal, including a housing and a circuit board, with the circuit board fixed inside the housing. The circuit board includes a main control module, an RS485 module, a satellite positioning module, and a mobile network module. The main control module is connected to the RS485 module, the satellite positioning module, and the mobile network module. The RS485 module is used to acquire IoT data and input it to the main control module. The satellite positioning module is used to acquire positioning data and input it to the main control module. The mobile network module is used to connect the main control module to a backend server via a network. The housing is provided with a USB interface, a SIM card slot, a satellite positioning antenna threaded connector, a mobile network antenna threaded connector, and an RS485 threaded connector. The USB interface is connected to the main control module, the SIM card slot is connected to the mobile network module, the satellite positioning antenna threaded connector is connected to the satellite positioning module, the mobile network antenna threaded connector is connected to the mobile network module, and the RS485 threaded connector is connected to the RS485 module.

[0026] In this embodiment, the RS485 threaded connector forms a reliable connection with emergency resources and collects IoT data. When mobile network and satellite positioning signals are poor, an external antenna can be connected through the external satellite positioning antenna threaded connector and the mobile network antenna threaded connector to provide a stable mobile network and satellite positioning connection, thereby improving the reliability of the detection terminal and enabling effective monitoring of emergency resources.

[0027] In this embodiment, the USB interface is a Type-C interface.

[0028] The main control module includes an MCU. Preferably, in this embodiment, the MCU is an AT32L021C8T7. (Refer to...) Figure 5 As shown, the RS485 module includes an RS485 chip, which is connected to the MCU and also to the RS485 threaded connector. Preferably, the RS485 chip uses an SP3485EEN-JSM signal and is packaged in an SOP-8 package. Specifically, the RO terminal of the RS485 chip is connected to the PA6 / UART3_RX terminal of the MCU; the RE and DE terminals are shorted and connected to the PA5 terminal of the MCU through a 0R resistor; the DI terminal is connected to the PA6 / UART3_TX terminal of the MCU; the VCC terminal is connected to a 3.3V DC power supply and grounded through a 1μF capacitor; the GND terminal is grounded; and the A and B terminals are connected to the RS485 threaded connector and connected through a 120R resistor.

[0029] In some embodiments of this example, two RS485 modules are provided, each connected to the MCU, and the RS485 threaded connector is an M12-5D connector, which connects both RS485 modules simultaneously.

[0030] The satellite positioning module includes a satellite positioning chip, which is connected to the MCU and to the satellite positioning antenna threaded connector. Preferably, in this embodiment, the satellite positioning chip is model TAU804S-N2B0. Specifically, refer to... Figure 6 As shown, the satellite positioning chip is a Beidou satellite positioning chip, and its GND terminal is grounded; the RF_IN terminal is connected to the satellite positioning antenna threaded connector through an OR resistor, and the two ends of the OR resistor are grounded through NC capacitors respectively; the ANT_BIAS terminal is connected to the satellite positioning antenna threaded connector through a 39nH inductor; the PRTRG terminal is connected to the PB4 terminal of the MCU through a 1K resistor; the PRRSTX terminal is connected to the PB7 / UART1_RX terminal of the MCU through a 1K resistor, and then grounded through a 100K resistor; VDD The AVDD_BAK terminal is connected to the DC power supply and grounded through a 22U capacitor and a 100NF capacitor; the EXTINT terminal is connected to the DC power supply and grounded through a 1UF capacitor; the EXTINT terminal is connected to the PF7 terminal of the MCU through a 1K resistor; the PPS terminal is connected to the PB5 terminal of the MCU through an NC resistor; the UIN0 terminal is connected to the PA0 / UART4_TX terminal of the MCU through an OR resistor; the UOUT0 terminal is connected to the PA1 / UART4_RX terminal of the MCU through an OR resistor; the GND terminal is grounded; the satellite positioning antenna threaded connector is grounded through an electrostatic discharge protection diode.

[0031] In some embodiments of this example, the satellite positioning antenna threaded connector is model IPEX-001.

[0032] The mobile network module includes a mobile network chip, which is connected to the MCU and also to the mobile network antenna threaded connector and the SIM card slot. Preferably, in this embodiment, the mobile network chip is model A7680C-LNNV. Specifically, refer to... Figure 7 As shown, the TXD terminal of the mobile network chip is connected to the PA10 / UART1_RX terminal of the MCU via an OR resistor; the RXD terminal is connected to the PA9 / UART1_TX terminal of the MCU via an OR resistor; the RTS terminal is connected to the BOOT0 terminal of the MCU via an NC resistor; the DTR terminal is connected to the PB2 / ADC1_IN10 terminal of the MCU; the RI terminal is connected to the PC13 terminal of the MCU; the VDD_EXT terminal is connected to a 1.8V DC power supply; the PWRKEY terminal is connected to the PA15 terminal of the MCU via an OR resistor; the ADC1 terminal is connected to a 1.8V DC power supply; the ANT_MAIN terminal is connected to the mobile network antenna threaded connector via an OR resistor, with each end of the OR resistor grounded via an NC capacitor; the RESET terminal is connected to the PB12 terminal of the MCU via an OR resistor; the USB_DN and USB_DP terminals are connected to the USB interface via 5.1R resistors; the USB_VBUS and USB_BOOT terminals are connected to the USB interface; the GND terminal is grounded; and the mobile network antenna threaded connector is grounded via an electrostatic discharge protection diode.

[0033] Reference Figure 8 As shown, it also includes a SIM card interface chip. The I / O terminal of the SIM card interface chip is connected to the USIM_DATA terminal of the mobile network chip via a 22R resistor; the CLK terminal is connected to the USIM_CLK terminal of the mobile network chip via a 22R resistor; the VPP terminal is connected to the USIM_VDD terminal of the mobile network chip via an NC resistor; the RST terminal is connected to the USIM_RST terminal of the mobile network chip via a 22R resistor; the I / O terminal, CLK terminal, VPP terminal, and RST terminal are grounded through an electrostatic discharge (ESD) protection device; the GND terminal is grounded; the VCC terminal is connected to the USIM_VDD terminal of the mobile network chip and is grounded through a 22U capacitor and a 100nF capacitor; the CD terminal is connected to the SIM card slot and is connected to a 1.8V DC power supply via a 100K resistor and is grounded through an ESD protection device.

[0034] In some embodiments of this example, the model number of the mobile network antenna threaded connector is IPEX-001.

[0035] In this embodiment, the outer casing is cubic in shape, comprising a square tubular casing body, a front panel, and a rear panel. The casing body is bolted to the front panel and the rear panel on the front and rear sides of the opening, respectively. The casing, the front panel, and the rear panel house the circuit board inside. Specifically, bolt holes are provided at the four corners of the square front panel and the rear panel.

[0036] The USB port and the SIM card slot are located on the front panel, and a waterproof plug is also included. The waterproof plug is fitted to the front panel and covers the USB port and the SIM card slot. Specifically, the front panel forms an inner groove, the USB port and the SIM card slot are located in the inner groove, and the waterproof plug is tightly inserted in the inner groove to achieve waterproof and dustproof protection, reaching an IP65 rating.

[0037] The satellite positioning antenna threaded connector, the mobile network antenna threaded connector, and the RS485 threaded connector are located on the rear panel.

[0038] The front panel is equipped with indicator lights, including a charging indicator light, a satellite positioning indicator light, and a mobile network indicator light. The charging indicator light, the satellite positioning indicator light, and the mobile network indicator light are respectively connected to the circuit motherboard and are used to indicate the working status of the circuit motherboard.

[0039] A terminal switch button is provided on the front panel. The terminal switch button is connected to the circuit board and is used to control the switch of the circuit board.

[0040] At least one groove is provided on the lower side of the outer casing, and a magnet is fixed in the groove. Specifically, a groove is provided at each of the four corners of the lower side of the outer casing, and a magnet is fixed in the groove with glue. The groove is circular.

[0041] The lower left and right sides of the main body of the outer shell extend to the left and right sides respectively to form mounting ears. The mounting ears have waist-shaped holes so that the outer shell can be fixed by bolts.

[0042] As an improvement to this embodiment, multiple parallel heat dissipation grooves are provided on the upper side of the outer shell body.

[0043] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An emergency resource IoT detection terminal, characterized in that, The system includes a housing and a circuit board, with the circuit board fixed inside the housing. The circuit board includes a main control module, an RS485 module, a satellite positioning module, and a mobile network module. The main control module is connected to the RS485 module, the satellite positioning module, and the mobile network module. The RS485 module is used to acquire IoT data and input it to the main control module. The satellite positioning module is used to acquire positioning data and input it to the main control module. The mobile network module is used to connect the main control module to a backend server via a network. The housing is equipped with a SIM card slot, a satellite positioning antenna threaded connector, a mobile network antenna threaded connector, and an RS485 threaded connector. The SIM card slot is connected to the mobile network module, the satellite positioning antenna threaded connector is connected to the satellite positioning module, the mobile network antenna threaded connector is connected to the mobile network module, and the RS485 threaded connector is connected to the RS485 module.

2. The emergency resource IoT detection terminal according to claim 1, characterized in that, The outer shell is cubic in shape, including a square tubular outer shell body, a front panel, and a rear panel. The outer shell body is fixed to the front panel and the rear panel on the front and rear sides of the opening, respectively, by bolts.

3. The emergency resource IoT detection terminal according to claim 2, characterized in that, The USB port and the SIM card slot are located on the front panel.

4. An emergency resource IoT detection terminal according to claim 3, characterized in that, It also includes a waterproof plug that fits into the front panel and covers the USB port and the SIM card slot.

5. An emergency resource IoT detection terminal according to claim 2, characterized in that, The satellite positioning antenna threaded connector, the mobile network antenna threaded connector, and the RS485 threaded connector are located on the rear panel.

6. An emergency resource IoT detection terminal according to claim 2, characterized in that, The front panel is equipped with a charging indicator light, a satellite positioning indicator light, and a mobile network indicator light. The charging indicator light, the satellite positioning indicator light, and the mobile network indicator light are respectively connected to the circuit motherboard and are used to indicate the working status of the circuit motherboard.

7. An emergency resource IoT detection terminal according to claim 2, characterized in that, A terminal switch button is provided on the front panel. The terminal switch button is connected to the circuit board and is used to control the switch of the circuit board.

8. An emergency resource IoT detection terminal according to claim 2, characterized in that, At least one groove is provided on the lower side of the outer shell body, and the magnet is fixed in the groove.

9. An emergency resource IoT detection terminal according to claim 2, characterized in that, The lower left and right sides of the main body of the outer shell extend to the left and right sides respectively to form mounting ears, and the mounting ears are provided with waist-shaped holes.

10. An emergency resource IoT detection terminal according to claim 2, characterized in that, Multiple parallel heat dissipation grooves are formed on the upper side of the outer shell.

Images