CN215734263U

CN215734263U - Wireless communication acquisition transponder

Info

Publication number: CN215734263U
Application number: CN202122204858.8U
Authority: CN
Inventors: 万星; 郝庆峰
Original assignee: Wuhan Yunhe Zhihui Technology Co ltd
Current assignee: Wuhan Yunhe Zhihui Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-01
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to a wireless communication acquisition transponder, which comprises an LoRa module, an LAN module and an RS485 module, wherein the LoRa module and the LAN module are respectively in bidirectional communication connection with the RS485 module: the LoRa module is used for carrying out data conversion on the UART digital signal and the LoRa signal to realize remote wireless data receiving and transmitting; the RS485 module is used for respectively carrying out data conversion on the UART digital signal and the tcp/ip protocol digital signal with the RS485 signal so as to realize remote wired data receiving and transmitting; and the LAN module is used for performing data conversion on the tcp/ip protocol digital signal and the RS485 signal to realize local LAN network data receiving and transmitting. The utility model solves the problem of signal transmission uniformity in the environment of the industrial Internet of things, can realize direct lossless conversion among an RS845 bus, a LAN network signal and an LORA wireless signal, and ensures the effectiveness of communication.

Description

Wireless communication acquisition transponder

Technical Field

The utility model relates to the technical field of communication equipment, in particular to a wireless communication acquisition transponder.

Background

In the occasions where industrial communication buses are needed for fire protection, electric power, water service, street lamps, door controls, pump rooms, monitoring and the like, single communication equipment is often used for local wireless or wired communication data transmission, so that communication data are reported to a monitoring center. When a certain communication mode fails, the timely reporting of monitoring data is influenced, and the information delay may cause the result difficult to recover. In view of the above, it is desirable to provide a signal acquisition transceiver with multiple communication modes to ensure the effectiveness of communication.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model provides a wireless communication acquisition transponder, which solves the problem of signal transmission uniformity in the environment of an industrial Internet of things, can perform direct lossless conversion on an RS845 bus, a LAN network signal and a LORA wireless signal, and ensures the effectiveness of communication.

The technical scheme for solving the technical problems is as follows:

the utility model provides a wireless communication gathers transponder, includes loRa module, LAN module and RS485 module, loRa module and LAN module respectively with RS485 module both way communication connection:

the LoRa module is used for carrying out data conversion on the UART digital signal and the LoRa signal to realize remote wireless data receiving and transmitting;

the RS485 module is used for respectively carrying out data conversion on the UART digital signal and the tcp/ip protocol digital signal with the RS485 signal so as to realize remote wired data receiving and transmitting;

and the LAN module is used for performing data conversion on the tcp/ip protocol digital signal and the RS485 signal to realize local LAN network data receiving and transmitting.

Preferably, the LAN module comprises a network serial transparent chip U1 and a network port, and an RX + pin, an RX-pin, a TX + pin, and a TX-pin of the network serial transparent chip U1 are respectively connected to the network port for transceiving tcp/ip protocol digital signals; the network port is also provided with two indicator lamps, the two indicator lamps adopt a common cathode connection method, one indicator lamp is connected to an LED _ Y pin of the network serial port transparent transmission chip U1 through a group of series-connected current-limiting resistors, the other indicator lamp is connected to an LED _ R pin of the network serial port transparent transmission chip U1 through the other group of series-connected current-limiting resistors, and the two indicator lamps are used for transmitting and receiving state indication of tcp/ip protocol digital signals; the RD + pin and the TD-pin of the network serial port transparent transmission chip U1 are respectively connected to the RS485 module and used for receiving and transmitting RS485 signals; an RXP pin of the network serial port transparent transmission chip U1 is connected to the RS485 module, an RXN pin of the network serial port transparent transmission chip U1 is connected with the RXP pin of the network serial port transparent transmission chip U1 through an inductor L56, a capacitor C166 is connected to the inductor L56 in parallel, and the RXN pin of the network serial port transparent transmission chip U1 and the RXP pin of the network serial port transparent transmission chip U1 are used for receiving differential signal input of the RS485 module; a capacitor C166 is connected in parallel to the inductor L56 and is used for frequency modulation of the differential signal.

Preferably, each group of current-limiting resistors comprises two current-limiting resistors connected in series, and the common end of the two current-limiting resistors is grounded through a filter capacitor.

Preferably, the RS485 module includes an RS485 chip U2 and an RS485 interface, the PA pin and the PB pin of the RS485 chip U2 serve as data transceiving ends of the RS485 chip U2, and are connected with the RD + pin and the TD-pin of the network serial port transparent transmission chip U1 in a one-to-one correspondence manner, and the PA pin and the PB pin of the RS485 chip U2 are further connected to the RS485 interface for transceiving wired data; the PP5 pin of the RS485 chip U2 is connected with the RXP pin of the network serial port transparent transmission chip U1; the DT1 pin, the DT1 pin and the PB0 pin of the RS485 chip U2 are respectively connected with the LoRa module through three LC filter circuits and used for receiving and transmitting data to the LoRa module; the DT0 pin, the DT1 pin and the PB0 pin of the RS485 chip U2 are also grounded through three filter capacitors respectively.

Preferably, the LoRa module includes a LoRa chip U3, a first frequency band flip-flop U5, and an antenna ANT1, three DIO ports of the LoRa chip U3 are respectively connected with a DT0 pin, a DT1 pin, and a PB0 pin of the RS485 chip U2 in a one-to-one correspondence manner, and are used for performing data transmission between the RS485 chip U2 and the LoRa chip U3; the MISO pin of the LoRa chip U3 is connected with the MISI pin of the LoRa chip U3 through a protection resistor R19, and the MISO pin of the LoRa chip U3 is connected with the NSS pin of the LoRa chip U3 through a capacitor C95; a first radio frequency input pin RFI _ H, LoRa of a LoRa chip U3 and a first radio frequency output pin RFO _ H of a chip U3 are respectively grounded through a filter capacitor, the first radio frequency input pin RFI _ H of the LoRa chip U3 is connected with a radio frequency output pin RF2 of a first frequency band trigger U5, the first radio frequency output pin RFO _ H of the LoRa chip U3 is connected with a radio frequency input pin RF1 of a first frequency band trigger U5, a radio frequency input output port RFC of a first frequency band trigger U5 is connected with an antenna ANT1, and the first frequency band duplex communication of the LoRa chip U3 is realized; the control pin CTRL of the first band flip-flop U5 is connected to the control output FEM _ CPS of the LoRa chip U3, and is used to control the on/off of the first band flip-flop U5.

Preferably, the LoRa module further includes a second frequency band flip-flop U4 and an antenna ANT2, the selectable high-power output terminal BOOST of the LoRa chip U3 is connected to the radio frequency input pin RF2 of the second frequency band flip-flop U4, the second radio frequency input pin RFI _ L of the LoRa chip U3 is connected to the radio frequency output pin RF1 of the second frequency band flip-flop U4, and the radio frequency input output port RFC of the second frequency band flip-flop U4 is connected to the antenna ANT2, so as to implement second frequency band duplex communication of the LoRa chip U3; the control pin CTRL of the second band flip-flop U4 is connected to the control output FEM _ CPS of the LoRa chip U3, and is used to control the on/off of the second band flip-flop U4.

Preferably, the chip module further comprises a memory, wherein the memory is in bidirectional communication connection with the LoRa module and is used for respectively storing chip working configuration parameters of the LoRa module, the LAN module and the RS485 module.

Preferably, the memory comprises a memory chip U6 and a plurality of current limiting resistors, wherein the DA3 pin and the DA4 pin of the memory chip U6 are respectively connected with the RXT pin and the TXT pin of the LoRa chip U3 through one current limiting resistor in a one-to-one correspondence manner, so that data interaction between the memory chip U6 and the LoRa chip U3 is realized.

Preferably, the power supply module is used for converting an external power supply and then respectively providing working power supplies for the LoRa module, the LAN module and the RS485 module.

The utility model has the beneficial effects that: the repeater solves the problem of signal transmission uniformity in the environment of the industrial Internet of things, is suitable for various use scenes in China of the Internet of things, can directly realize lossless transparent mutual conversion among an RS845 bus, a LAN network signal and an LORA wireless signal, is related to a transmission system and is unrelated to a transmission protocol, and greatly solves the problems of non-uniform communication systems, complex installation and construction and complex maintenance among equipment in the field of the Internet of things. And the device has simple structure, can realize small volume and is beneficial to realizing the miniaturization of products.

Drawings

FIG. 1 is a block diagram of the system components and signal flow of the present invention;

FIG. 2 is a schematic block diagram of the overall circuit of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 2 according to the present invention;

FIG. 5 is a schematic diagram of a part C LoRa chip pin of the present invention;

FIG. 6 is a diagram of a second band flip-flop of the portion D of FIG. 5 according to the present invention.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 and fig. 2, the wireless communication acquisition transponder comprises an LoRa module, an LAN module and an RS485 module, wherein the LoRa module and the LAN module are respectively connected with the RS485 module in a bidirectional communication manner:

The repeater of this embodiment has solved the signal transmission uniformity problem in the industry thing networking environment, and applicable in the multiple use scene of thing networking china, can be at the direct transparent interconversion that can not harm of RS845 bus, LAN network signal, LORA wireless signal three, relevant with the transmission system, irrelevant with transmission protocol, very big solution the thing networking field between the equipment communication system is non-uniform, the installation and construction is complicated, maintain loaded down with trivial details problem.

As shown in the circuit diagrams of fig. 2 and fig. 3, the LAN module includes a network serial transparent chip U1 and a network port, and the network serial transparent chip U1 is CH9120 in model number. The RX + pin, the RX-pin, the TX + pin and the TX-pin of the Network serial Port transparent chip U1 are respectively connected to a Network Port through a current limiting resistor (R46, R54, R48 and R47) and are used for receiving and transmitting tcp/ip protocol digital signals. The network port is also provided with two indicator lamps LED1 and LED2, the two indicator lamps LED1 and LED2 adopt a common cathode connection method, one indicator lamp LED2 is connected to an LED _ Y pin of the network serial port transparent transmission chip U1 through a group of series-connected current-limiting resistors R41 and R45, the other indicator lamp LED1 is connected to an LED _ R pin of the network serial port transparent transmission chip U1 through another group of series-connected current-limiting resistors R43 and R44, and the two indicator lamps LED1 and LED2 are used for transmitting and receiving state indication of tcp/ip protocol digital signals. The network serial port transparent transmission chip U1 converts the tcp/ip protocol digital signal and the RS485 signal into each other. And an RD + pin and a TD-pin of the network serial port transparent transmission chip U1 are respectively connected to the RS485 module and used for receiving and transmitting RS485 signals. An RXP pin of the network serial port transparent transmission chip U1 is connected to the RS485 module, an RXN pin of the network serial port transparent transmission chip U1 is connected with the RXP pin of the network serial port transparent transmission chip U1 through an inductor L56, a capacitor C166 is connected to the inductor L56 in parallel, and the RXN pin of the network serial port transparent transmission chip U1 and the RXP pin of the network serial port transparent transmission chip U1 are used for receiving differential signal input of the RS485 module; a capacitor C166 is connected in parallel to the inductor L56 and is used for frequency modulation of the differential signal.

As shown in FIG. 3, each set of current-limiting resistors respectively comprises two current-limiting resistors R41/R45 or R43/R44 connected in series, the common terminal of the current-limiting resistors R41/R45 is grounded through a filter capacitor C160, and the common terminal of the current-limiting resistors R43/R44 is grounded through a filter capacitor C170.

As shown in fig. 3, the RS485 module includes an RS485 chip U2 and an RS485 interface, and the RS485 chip U2 is MX485 in model. The PA pin and the PB pin of the RS485 chip U2 are used as a data receiving and transmitting end of the RS485 chip U2 and are connected with the RD + pin and the TD-pin of the network serial port transparent transmission chip U1 in a one-to-one correspondence mode, and the PA pin and the PB pin of the RS485 chip U2 are further connected to an RS485 interface and used for receiving and transmitting wired data. The PP5 pin of the RS485 chip U2 is connected with the RXP pin of the network serial port transparent transmission chip U1; and the DT1 pin, the DT1 pin and the PB0 pin of the RS485 chip U2 are respectively connected with the LoRa module through three LC filter circuits and used for receiving and transmitting data to the LoRa module. The DT0 pin, the DT1 pin and the PB0 pin of the RS485 chip U2 are also grounded through three filter capacitors C156, C157 and C158 respectively.

As shown in fig. 4 to 6, the LoRa module includes a LoRa chip U3, a first frequency band flip-flop U5, and an antenna ANT1, where the chip model of the LoRa chip U3 is Sx1276RF, and the chip model of the first frequency band flip-flop U5 is JK-FF. The DIO2, DIO4 and DIO5 ports of the LoRa chip U3 are respectively connected with a DT0 pin, a DT1 pin and a PB0 pin of the RS485 chip U2 in a one-to-one correspondence mode and used for carrying out data transmission between the RS485 chip U2 and the LoRa chip U3. The MISO pin of the LoRa chip U3 is connected to the MISI pin of the LoRa chip U3 through a protection resistor R19, and the MISO pin of the LoRa chip U3 is connected to the NSS pin of the LoRa chip U3 through a capacitor C95. The battery voltage output end VBT2 of the LoRa chip U3 is connected with the DIO6 port of the LoRa chip U3, and the DIO6 port of the LoRa chip U3 is grounded through the filter capacitor C153. The reset pin RST of the LoRa chip U3 is grounded, and the capacitors C71 and C136 connected in parallel to the reset pin RST of the LoRa chip U3 are connected to the battery voltage output terminal VBT2 of the LoRa chip U3. The XTB pin and the XTA pin of the LoRa chip U3 are respectively connected with two ends of a crystal oscillator Cr2, and two ends of the crystal oscillator Cr2 are respectively grounded through capacitors C151 and C152 to form a clock circuit of the LoRa chip U3. The DIG pin, VBT1 pin, and ANA pin of LoRa chip U3 are grounded through capacitors C148, C149, and C150, respectively. A first radio frequency input pin RFO _ H of the LoRa chip U3 is connected with a voltage-stabilized power supply output end VR-PA for power amplification of the LoRa chip U3 through an inductor L59, a first radio frequency input pin RFO _ H of the LoRa chip U3 is grounded through filter capacitors C133, C132 and C76, and a first radio frequency output pin RFI _ H of the LoRa chip U3 is grounded through filter capacitors C135 and C134 respectively; as shown in fig. 4, the first RF input pin RFI _ H of the LoRa chip U3 is connected to the RF output pin RF2 of the first frequency band flip-flop U5 through the inductor L57, the capacitor C130/C131 and the resistor R51 connected in series, the first RF output pin RFO _ H of the LoRa chip U3 is connected to the RF input pin RF1 of the first frequency band flip-flop U5 through the capacitor C128 and the inductor L47/L46 connected in series, and the capacitor C74 is connected to the inductor L46 in parallel. The radio frequency input and output port RFC of the first frequency band trigger U5 is connected with the antenna ANT1 through a capacitor C129 and an inductor L48 which are connected in series, and the radio frequency input and output port RFC of the first frequency band trigger U5 is also grounded through a filter capacitor C144 and a filter capacitor C145. The connection is used for realizing first frequency band duplex communication between the LoRa chip U3 and the first frequency band trigger U5. The control pin CTRL of the first band flip-flop U5 is connected to the control output FEM _ CPS of the LoRa chip U3, and is used to control the on/off of the first band flip-flop U5.

Preferably, as shown in fig. 4 and 6, the LoRa module further includes a second band flip-flop U4 and an antenna ANT2, and the second band flip-flop U4 is JK-FF having a chip type the same as that of the first band flip-flop U5. An optional high-power output terminal BOOST of the LoRa chip U3 is connected to a radio frequency input pin RF2 of the second frequency band flip-flop U4 through an inductor L54, a capacitor C127, an inductor L24, an inductor L44, and an inductor L45 which are connected in series in sequence, the capacitor C125 is connected in parallel to the inductor L44, and the capacitor C126 is connected in parallel to the inductor L45. The optional high-power output end BOOST of the LoRa chip U3 is further grounded through filter capacitors C139, C140, C141 and C142, and the optional high-power output end BOOST of the LoRa chip U3 is connected with a regulated power supply output end VR-PA for power amplification of the LoRa chip U3 through an inductor L27. The second radio frequency input pin RFI _ L of the LoRa chip U3 is connected to the radio frequency output pin RF1 of the second frequency band flip-flop U4 through an inductor L50, a capacitor C77, a resistor R15 and a capacitor C124 which are connected in series in sequence, and the second radio frequency input pin RFI _ L of the LoRa chip U3 is further grounded through a filter capacitor C147 and an inductor L58. The radio frequency input and output port RFC of the second frequency band trigger U4 is connected with the antenna ANT2 through a capacitor C88 and an inductor L49 which are connected in series, and the radio frequency input and output port RFC of the second frequency band trigger U4 is grounded through a filter capacitor C154 and a filter capacitor C155. The connection is used for realizing second-frequency-band duplex communication between the LoRa chip U3 and the second-frequency-band flip-flop U4 and the antenna ANT 2. The control pin CTRL of the second band flip-flop U4 is connected to the control output FEM _ CPS of the LoRa chip U3, and is used for controlling the second band flip-flop U4 to be turned on or off by the control signal output by the LoRa chip U3.

As shown in fig. 4, the transponder further includes a memory, and the memory is 24C 64. The memory is in bidirectional communication connection with the LoRa module and is used for storing chip working configuration parameters of the LoRa module, the LAN module and the RS485 module respectively.

Furthermore, the memory comprises a memory chip U6 and a plurality of current limiting resistors R53 and R23, wherein a DA3 pin and a DA4 pin of the memory chip U6 are respectively connected with an RXT pin and a TXT pin of the LoRa chip U3 through the current limiting resistors R23 and R53 in a one-to-one correspondence mode, and the memory chip U6 and the LoRa chip U3 are used for achieving data interaction.

In this embodiment, still include power module, power module is used for converting external power source into 3.3V DC power supply, provides working power supply for loRa module, LAN module and RS485 module respectively.

The working principle is as follows:

in this embodiment, the RS485 is used as a data interface, which can provide an external data interaction interface, and also used as an internal bus, which provides a data transmission channel between the LoRa module and the LAN module.

The following description will be given by taking an example in which a LAN module is connected to a sensor to collect data and transmit the data wirelessly: the request end sends out a network tcp/ip protocol digital signal to the LAN module, the network tcp/ip protocol digital signal is converted into an RS485 signal through a CH9120 network serial port transparent transmission chip and is transmitted to an MX485 chip, and the converted data can be output through an RS485 interface; if data are expected to be output through wireless signals, the MX485 chip converts RS485 signals into UART signals, the UART signals are modulated into LORA signals through the SX1276RF chip, and then the LORA signals are transmitted through an antenna, so that remote wireless data transmission is realized.

The following description will be given by taking an example that the LORA module receives remote wireless data and outputs the data through wired local transmission: the antenna receives the LORA signal that wireless remote network carried, converts into the UART signal through the SX1276RF chip, MX485 chip receives the UART signal and converts it into the RS485 signal, and the RS485 signal both can pass through RS485 interface output, also can continue to transmit to CH9120 network serial ports pass through on the chip, and CH9120 network serial ports passes through the chip with the RS485 signal further converts network tcp/ip agreement digital signal into, through the net gape output.

Chip working configuration parameters of the LoRa module, the LAN module and the RS485 module are pre-stored in the memory in advance, and direct calling during working is facilitated.

The repeater solves the problem of signal transmission uniformity in the environment of the industrial Internet of things, is suitable for various use scenes in China of the Internet of things, can directly realize lossless transparent mutual conversion among an RS845 bus, a LAN network signal and an LORA wireless signal, is related to a transmission system and is unrelated to a transmission protocol, and greatly solves the problems of non-uniform communication systems, complex installation and construction and complex maintenance among equipment in the field of the Internet of things. And the device has simple structure, can realize small volume and is beneficial to realizing the miniaturization of products.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a wireless communication gathers transponder, its characterized in that, includes loRa module, LAN module and RS485 module, loRa module and LAN module respectively with RS485 module both way communication connection:

2. The wireless communication acquisition transponder according to claim 1, wherein the LAN module comprises a network serial transparent chip U1 and a network port, wherein the RX + pin, the RX-pin, the TX + pin and the TX-pin of the network serial transparent chip U1 are respectively connected to the network port for transceiving tcp/ip protocol digital signals; the network port is also provided with two indicator lamps, the two indicator lamps adopt a common cathode connection method, one indicator lamp is connected to an LED _ Y pin of the network serial port transparent transmission chip U1 through a group of series-connected current-limiting resistors, the other indicator lamp is connected to an LED _ R pin of the network serial port transparent transmission chip U1 through the other group of series-connected current-limiting resistors, and the two indicator lamps are used for transmitting and receiving state indication of tcp/ip protocol digital signals; the RD + pin and the TD-pin of the network serial port transparent transmission chip U1 are respectively connected to the RS485 module and used for receiving and transmitting RS485 signals; an RXP pin of the network serial port transparent transmission chip U1 is connected to the RS485 module, an RXN pin of the network serial port transparent transmission chip U1 is connected with the RXP pin of the network serial port transparent transmission chip U1 through an inductor L56, a capacitor C166 is connected to the inductor L56 in parallel, and the RXN pin of the network serial port transparent transmission chip U1 and the RXP pin of the network serial port transparent transmission chip U1 are used for receiving differential signal input of the RS485 module; a capacitor C166 is connected in parallel to the inductor L56 and is used for frequency modulation of the differential signal.

3. The wireless communication acquisition repeater according to claim 2, wherein each group of current limiting resistors comprises two current limiting resistors connected in series, and a common terminal of the two current limiting resistors is grounded through a filter capacitor.

4. The wireless communication acquisition repeater according to claim 2 or 3, wherein the RS485 module comprises an RS485 chip U2 and an RS485 interface, the PA pin and the PB pin of the RS485 chip U2 are used as a data transceiving end of the RS485 chip U2 and are connected with the RD + pin and the TD-pin of the network serial port transparent transmission chip U1 in a one-to-one correspondence manner, and the PA pin and the PB pin of the RS485 chip U2 are also connected to the RS485 interface and are used for transceiving wired data; the PP5 pin of the RS485 chip U2 is connected with the RXP pin of the network serial port transparent transmission chip U1; the DT1 pin, the DT1 pin and the PB0 pin of the RS485 chip U2 are respectively connected with the LoRa module through three LC filter circuits and used for receiving and transmitting data to the LoRa module; the DT0 pin, the DT1 pin and the PB0 pin of the RS485 chip U2 are also grounded through three filter capacitors respectively.

5. The wireless communication acquisition repeater according to claim 4, wherein the LoRa module comprises a LoRa chip U3, a first frequency band trigger U5 and an antenna ANT1, three DIO ports of the LoRa chip U3 are respectively connected with a DT0 pin, a DT1 pin and a PB0 pin of the RS485 chip U2 in a one-to-one correspondence manner, and are used for data transmission between the RS485 chip U2 and the LoRa chip U3; the MISO pin of the LoRa chip U3 is connected with the MISI pin of the LoRa chip U3 through a protection resistor R19, and the MISO pin of the LoRa chip U3 is connected with the NSS pin of the LoRa chip U3 through a capacitor C95; a first radio frequency input pin RFI _ H, LoRa of a LoRa chip U3 and a first radio frequency output pin RFO _ H of a chip U3 are respectively grounded through a filter capacitor, the first radio frequency input pin RFI _ H of the LoRa chip U3 is connected with a radio frequency output pin RF2 of a first frequency band trigger U5, the first radio frequency output pin RFO _ H of the LoRa chip U3 is connected with a radio frequency input pin RF1 of a first frequency band trigger U5, a radio frequency input output port RFC of a first frequency band trigger U5 is connected with an antenna ANT1, and the first frequency band duplex communication of the LoRa chip U3 is realized; the control pin CTRL of the first band flip-flop U5 is connected to the control output FEM _ CPS of the LoRa chip U3, and is used to control the on/off of the first band flip-flop U5.

6. The wireless communication acquisition repeater according to claim 5, wherein the LoRa module further comprises a second frequency band flip-flop U4 and an antenna ANT2, the optional high power output BOOST of the LoRa chip U3 is connected to the RF input pin RF2 of the second frequency band flip-flop U4, the second RF input pin RFI _ L of the LoRa chip U3 is connected to the RF output pin RF1 of the second frequency band flip-flop U4, and the RF input output port RFC of the second frequency band flip-flop U4 is connected to the antenna ANT2, so as to implement the second frequency band duplex communication of the LoRa chip U3; the control pin CTRL of the second band flip-flop U4 is connected to the control output FEM _ CPS of the LoRa chip U3, and is used to control the on/off of the second band flip-flop U4.

7. The wireless communication acquisition transponder according to claim 1, further comprising a memory, wherein the memory is in bidirectional communication with the LoRa module, and is configured to store chip operation configuration parameters of the LoRa module, the LAN module, and the RS485 module, respectively.

8. The wireless communication acquisition repeater as claimed in claim 7, wherein the memory comprises a memory chip U6 and a plurality of current limiting resistors, and the DA3 pin and the DA4 pin of the memory chip U6 are respectively connected with the RXT pin and the TXT pin of the LoRa chip U3 through one current limiting resistor in a one-to-one correspondence manner, so as to realize data interaction between the memory chip U6 and the LoRa chip U3.

9. The wireless communication acquisition transponder according to claim 1, further comprising a power module, wherein the power module is configured to convert an external power and provide operating power to the LoRa module, the LAN module, and the RS485 module, respectively.