Internet of Things communication strength detection device

Abstract

The utility model provides an Internet of Things communication intensity detection device which comprises a zigbee wireless module, zigbee terminal equipment, a serial port board, an RF control device and an MXA signal analyzer. Wherein the zigbee wireless module is in communication connection with the zigbee terminal equipment; the zigbee wireless module is connected to the RF control device through a serial port board; and the RF control device is connected with the MXA signal analyzer. The zigbee signal intensity detection device detects whether the signal intensity of the zigbee terminal equipment is good or not, is simple to operate and easy to use, can clearly display a channel number with the strongest signal, can set a channel needing to be tested according to requirements, can adjust and set local transmitting power and display the signal intensity of remote equipment, and is beneficial to monitoring of the zigbee signal intensity.

Description

Technical Field

[0001] This utility model relates to the field of detection technology, and in particular to an Internet of Things (IoT) communication strength detection device. Background Technology

[0002] ZigBee technology is a low-speed, short-range wireless network protocol that uses the IEEE 802.15.4 standard for its media access layer and physical layer. It features low speed, low power consumption, low cost, support for a large number of network nodes, support for various network topologies, low complexity, speed, reliability, and security. A ZigBee network mainly consists of a coordinator, routers, and terminal devices, supporting star, tree, and mesh network structures. It is a short-range, low-complexity, low-power, low-data-rate bidirectional wireless network technology. The signal strength of ZigBee terminal devices directly affects the quality of ZigBee network communication. However, current technologies cannot accurately detect whether the signal strength of ZigBee terminal devices is good. Utility Model Content

[0003] This invention aims to at least partially solve one of the technical problems in the aforementioned technologies. Therefore, the purpose of this invention is to provide an IoT communication strength detection device to detect whether the signal strength of Zigbee terminal devices is good. This device is simple and easy to operate, can clearly display the channel number with the strongest signal, allows users to set the channel to be tested according to requirements, and can adjust the local transmission power and display the signal strength of remote devices, thus facilitating the monitoring of Zigbee signal strength.

[0004] To achieve the above objectives, this utility model provides an IoT communication strength detection device, comprising: a Zigbee wireless module, a Zigbee terminal device, a serial port board, an RF control device, and an MXA signal analyzer; wherein,

[0005] The Zigbee wireless module communicates with the Zigbee terminal device;

[0006] The Zigbee wireless module connects to the RF control device via a serial port board;

[0007] The RF control unit is connected to the MXA signal analyzer.

[0008] According to some embodiments of this utility model, the RF control device includes a detector, a splitter, an adjustable attenuator, a high-pass filter, a signal amplifier, a combiner, a control chip, and a power module; wherein...

[0009] The power module, connected to the detector, splitter, adjustable attenuator, high-pass filter, signal amplifier, combiner and control chip, is used to provide electrical power;

[0010] The control chip is connected to the detector, splitter, adjustable attenuator, high-pass filter, signal amplifier and combiner.

[0011] According to some embodiments of this utility model, the detector receives frequencies including 315MHz and 433MHz.

[0012] According to some embodiments of this utility model, the control chip is SN74LVC2G04DCKR.

[0013] According to some embodiments of this utility model, the power module consists of an AC power supply section, a lithium battery, and a solar charging panel, with the lithium battery used as a backup power source.

[0014] According to some embodiments of the present invention, the power supply module further includes an AC-DC conversion circuit, which includes a voltage conversion circuit and a rectifier circuit. The voltage conversion circuit is connected to the rectifier circuit, and the voltage conversion circuit is also connected to a detector, a splitter, an adjustable attenuator, a high-pass filter, a signal amplifier, a combiner, and a control chip. The rectifier circuit is used to convert AC voltage into DC voltage, and the voltage conversion circuit is used to convert 220V voltage into the operating voltage required by each component.

[0015] According to some embodiments of the present invention, the MXA signal analyzer includes an OLED display module.

[0016] According to some embodiments of this utility model, the Zigbee wireless module is an EFR32MG21 chip.

[0017] This invention proposes an IoT communication strength detection device to detect whether the signal strength of Zigbee terminal devices is good. The device is simple and easy to operate, can clearly display the channel number with the strongest signal, can set the channel to be tested according to needs, and can adjust the local transmission power and display the signal strength of remote devices, which helps to monitor Zigbee signal strength.

[0018] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the written description and the accompanying drawings.

[0019] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a block diagram of an Internet of Things (IoT) communication strength detection device according to an embodiment of the present invention;

[0022] Figure 2 This is a connection diagram of an Internet of Things (IoT) communication strength detection device according to an embodiment of the present invention.

[0023] Figure label:

[0024] 1. Zigbee wireless module; 2. RF control device; 3. MXA signal analyzer. Detailed Implementation

[0025] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0026] The following is for reference. Figures 1 to 2 This invention describes an IoT communication strength detection device according to an embodiment of the present invention, comprising: a Zigbee wireless module 1, a Zigbee terminal device, a serial port board, an RF control device 2, and an MXA signal analyzer 3; wherein,

[0027] Zigbee wireless module 1 communicates with the Zigbee terminal device;

[0028] Zigbee wireless module 1 is connected to RF control device 2 via a serial port board;

[0029] The RF control device 2 is connected to the MXA signal analyzer 3.

[0030] The working principle and beneficial effects of the above technical solution: A radio frequency (RF) control device is a device that uses RF signals for control and communication. The Zigbee wireless module 1 maintains a communication connection with the Zigbee terminal device. The Zigbee wireless module 1 is connected to the RF control device 2 via a serial port board. The RF control device 2 achieves remote control of the device through the Zigbee wireless module 1. The RF control device 2 converts the RF signal returned by the Zigbee wireless module 1 into a digital signal. The MXA signal analyzer 3 analyzes the digital signal to detect whether the signal strength of the Zigbee terminal device is good. The MXA signal analyzer 3 supports testing applications for multiple communication standards, including Zigbee. The MXA signal analyzer 3 is connected to the Zigbee terminal device under test through an appropriate interface (such as an antenna, RF cable, etc.) to ensure accurate signal transmission to the analyzer. Analysis parameters are set based on the MXA signal analyzer 3, including: Frequency setting: The corresponding frequency range is set in the MXA signal analyzer 3 according to the Zigbee operating frequency band. Signal Strength Range: Set the analyzer's signal strength detection range to ensure coverage of the possible strength range of Zigbee signals. Other relevant parameters, such as scan time and resolution bandwidth, can also be set to improve the accuracy and efficiency of the analysis. Start the scan function on the MXA Signal Analyzer 3 to begin scanning and analyzing the signals from the Zigbee terminal devices. During the scan, observe the signal strength information displayed on the analyzer. The MXA Signal Analyzer 3 can display real-time changes in signal strength and may provide relevant statistical data and charts. Based on the displayed signal strength information, evaluate the signal quality of the Zigbee terminal devices. Higher signal strength indicates better signal quality; conversely, lower signal strength may indicate signal attenuation or interference. This device is easy to operate and clearly displays the channel number with the strongest signal. The channels to be tested can be set as needed, and the local transmit power and remote device signal strength can be adjusted, which is helpful for monitoring Zigbee signal strength.

[0031] According to some embodiments of this utility model, the RF control device 2 includes a detector, a splitter, an adjustable attenuator, a high-pass filter, a signal amplifier, a combiner, a control chip, and a power module; wherein...

[0032] The power module, connected to the detector, splitter, adjustable attenuator, high-pass filter, signal amplifier, combiner and control chip, is used to provide electrical power;

[0033] The control chip is connected to the detector, splitter, adjustable attenuator, high-pass filter, signal amplifier and combiner.

[0034] The working principle and beneficial effects of the above technical solution are as follows: The power module provides power to the detector, splitter, adjustable attenuator, high-pass filter, signal amplifier, combiner, and control chip. The control chip performs the control function. First, the detector detects the radio frequency signal returned by Zigbee wireless module 1. The radio frequency signal is split by the splitter, and the signal attenuation parameters of each split signal are set by the adjustable attenuator. The signal output from each splitter is filtered by the high-pass filter to remove noise interference, and the signal is amplified by the signal amplifier to improve the accuracy of signal strength detection. Finally, the combiner combines the signals from each split signal into a single output signal.

[0035] According to some embodiments of this utility model, the detector receives frequencies including 315MHz and 433MHz.

[0036] According to some embodiments of this utility model, the control chip is SN74LVC2G04DCKR.

[0037] According to some embodiments of this utility model, the power module consists of an AC power supply section, a lithium battery, and a solar charging panel, with the lithium battery used as a backup power source.

[0038] According to some embodiments of the present invention, the power supply module further includes an AC-DC conversion circuit, which includes a voltage conversion circuit and a rectifier circuit. The voltage conversion circuit is connected to the rectifier circuit, and the voltage conversion circuit is also connected to a detector, a splitter, an adjustable attenuator, a high-pass filter, a signal amplifier, a combiner, and a control chip. The rectifier circuit is used to convert AC voltage into DC voltage, and the voltage conversion circuit is used to convert 220V voltage into the operating voltage required by each component.

[0039] According to some embodiments of the present invention, the MXA signal analyzer 3 includes an OLED display module.

[0040] According to some embodiments of this utility model, the Zigbee wireless module 1 is an EFR32MG21 chip.

[0041] This utility model only improves the hardware structure of the IoT communication strength detection device. As for the methods and software programs involved in the operation of the IoT communication strength detection device, those skilled in the art can design them themselves based on the principles and functions proposed in this utility model and in combination with existing technologies. The technical solution proposed in this utility model does not improve any methods or software programs.

[0042] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. An Internet of Things communication strength detection apparatus, characterized by, It comprises a zigbee wireless module, a zigbee terminal device, a serial port board, an RF control device and an MXA signal analyzer. The zigbee wireless module is in communication connection with the zigbee terminal device. The zigbee wireless module is connected to the RF control device through the serial port board. The RF control device is connected to the MXA signal analyzer.

2. The IoT communication strength detection apparatus of claim 1, wherein, The RF control device comprises a detector, a shunt, an adjustable attenuator, a high-pass filter, a signal amplifier, a combiner, a control chip and a power module. The power module is connected to the detector, the shunt, the adjustable attenuator, the high-pass filter, the signal amplifier, the combiner and the control chip to provide electric energy. The control chip is connected to the detector, the shunt, the adjustable attenuator, the high-pass filter, the signal amplifier and the combiner.

3. The IoT communication strength detection apparatus of claim 2, wherein, The frequency band received by the detector comprises 315MHz and 433MHz.

4. The IoT communication strength detection apparatus of claim 2, wherein, The control chip is SN74LVC2G04DCKR.

5. The IoT communication strength detection apparatus of claim 2, wherein, The power module is composed of a commercial power supply part, a lithium battery and a solar charging board, and the lithium battery is used as a backup power supply.

6. The IoT communication strength detection apparatus of claim 5, wherein, The power module further comprises an AC-DC conversion circuit, which comprises a voltage conversion circuit and a rectifier circuit.

7. The IoT communication strength detection apparatus of claim 1, wherein The voltage conversion circuit is connected to the rectifier circuit, and is also connected to the detector, the shunt, the adjustable attenuator, the high-pass filter, the signal amplifier, the combiner and the control chip.

8. The IoT communication strength detection apparatus of claim 1, wherein, The rectifier circuit is used to convert alternating voltage into direct current voltage. The voltage conversion circuit is used to convert 220V voltage into working voltage required by each component. The MXA signal analyzer comprises an OLED display module. The zigbee wireless module is an EFR32MG21 chip.

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