CN214256349U - RS-485 to 4G full network communication protocol conversion circuit - Google Patents
RS-485 to 4G full network communication protocol conversion circuit Download PDFInfo
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- CN214256349U CN214256349U CN202120508957.2U CN202120508957U CN214256349U CN 214256349 U CN214256349 U CN 214256349U CN 202120508957 U CN202120508957 U CN 202120508957U CN 214256349 U CN214256349 U CN 214256349U
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Abstract
The utility model discloses a RS-485 to 4G full network communication protocol conversion circuit, which comprises a CPU, an RS-485 interface circuit, a 4G module and a power module, wherein the CPU is respectively connected with the RS-485 interface circuit, the 4G module and the power module; the RS-485 interface circuit is connected with a plurality of data acquisition devices with RS-485 communication interfaces to form a closed communication network; the CPU is used for analyzing the data received by the RS-485 and converting the data into data with a specific format; and the 4G module is used for transmitting the converted data to a target IP address through the Internet. The utility model discloses a RS-485 to 4G all-network communication protocol conversion circuit can realize receiving, transmitting signal and launch RS-485 interface received signal through internet or GPRS's mode, has stronger practicality.
Description
Technical Field
The utility model relates to a communication technology, concretely relates to RS-485 to 4G all-network communication protocol conversion circuit.
Background
At present, most state monitoring devices adopt an RS-485 communication mode, and the communication mode does not have the capacity of connecting the Internet, so that a device needs to be designed to transmit RS-485 communication contents to a target IP address through a 4G network, and respond to parameter setting and query of a local serial port or a parameter configuration tool, a short message and a background central server so as to enable the state monitoring devices to have the capacity of remote state monitoring.
Disclosure of Invention
The utility model provides an to above-mentioned problem, provide a RS-485 to 4G full net leads to agreement converting circuit, facilitate the use.
The utility model adopts the technical proposal that: an RS-485 to 4G full-network communication protocol conversion circuit comprises a CPU, an RS-485 interface circuit, a 4G module and a power module, wherein the CPU is respectively connected with the RS-485 interface circuit, the 4G module and the power module; the RS-485 interface circuit is connected with a plurality of data acquisition devices with RS-485 communication interfaces to form a closed communication network; the CPU is used for analyzing the data received by the RS-485 and converting the data into data with a specific format; and the 4G module is used for transmitting the converted data to a target IP address through the Internet.
Further, the 4G module is Q560.
Further, the RS-485 interface circuit comprises a 485 chip MAX485EESA and peripheral circuits.
Furthermore, the power module is designed to be connected with dual power supplies, can be powered by an external direct current power supply of DC12V/1A or an external alternating current power supply of AC85-240V/15VA, and adopts a built-in power conversion module as an LS10-13BxxR3 series AC/DC power module.
Further, the system also comprises indicator lamps LED4, LED2 and LED1 for indicating the operation of the protocol conversion circuit, GPRS online/offline and network status respectively.
Further, the CPU is MSP430F 149.
The utility model has the advantages that:
the utility model discloses a RS-485 to 4G all-network communication protocol conversion circuit can realize receiving, transmitting signal and launch RS-485 interface received signal through internet or GPRS's mode, has stronger practicality.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic block circuit diagram of an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and 2, an RS-485 to 4G full network communication protocol conversion circuit includes a CPU, an RS-485 interface circuit, a 4G module, and a power module, where the CPU is connected to the RS-485 interface circuit, the 4G module, and the power module respectively; the RS-485 interface circuit is connected with a plurality of data acquisition devices with RS-485 communication interfaces to form a closed communication network; the CPU is used for analyzing the data received by the RS-485 and converting the data into data with a specific format; and the 4G module is used for transmitting the converted data to a target IP address through the Internet.
The power module can provide stable power output under extreme weather conditions.
The utility model discloses a RS-485 to 4G all-network communication protocol conversion circuit can realize receiving, transmitting signal and launch RS-485 interface received signal through internet or GPRS's mode, has stronger practicality.
The 4G module is Q560, the built-in program can transmit the RS-485 communication content to the target IP address through the 4G network, and respond to parameter setting and query in three modes of a local serial port or a parameter configuration tool, a short message and a background central server.
The RS-485 interface circuit comprises a 485 chip MAX485EESA and a peripheral circuit.
The power module access mode is a dual-power access design, can be powered by an external direct-current power supply of DC12V/1A or an external alternating-current power supply of AC85-240V/15VA, and adopts a built-in power conversion module as an LS10-13BxxR3 series AC/DC power module.
The protocol conversion circuit further includes indicator lights LED4, LED2, LED1 for indicating the operation, GPRS online/offline, and NETWORK status (i.e., DATA, GPRS online/offline, NETWORK) of the protocol conversion circuit, respectively.
The CPU is MSP430F 149.
As a preferred technical scheme, the circuit has 10 input pins. 485B, 485A, ADC, IO1, IO2, 12VGND, 12VIN, NC, ACL, ACN, respectively.
The pin plug is of a model WJ2 EDGR-5.08-10P.
And actively acquiring and uploading a slave station address value to the platform, remotely updating an acquisition address, remotely updating a running parameter, supporting base station positioning and remotely updating DTU firmware.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. An RS-485 to 4G full network communication protocol conversion circuit is characterized by comprising a CPU,
The CPU is respectively connected with the RS-485 interface circuit, the 4G module and the power supply module; the RS-485 interface circuit is connected with a plurality of data acquisition devices with RS-485 communication interfaces to form a closed communication network; the CPU is used for analyzing the data received by the RS-485 and converting the data into data with a specific format; and the 4G module is used for transmitting the converted data to a target IP address through the Internet.
2. The RS-485-to-4G full network communication protocol conversion circuit of claim 1, wherein the RS-485-to-4G full network communication protocol conversion circuit is characterized in that
In that, the 4G module is Q560.
3. The RS-485-to-4G full network communication protocol conversion circuit of claim 1, wherein the RS-485-to-4G full network communication protocol conversion circuit is characterized in that
The RS-485 interface circuit comprises a 485 chip MAX485EESA and peripheral circuits.
4. The RS-485-to-4G full network communication protocol conversion circuit of claim 1, wherein the RS-485-to-4G full network communication protocol conversion circuit is characterized in that
The power module is connected in a dual-power mode, can be powered by an external direct-current power supply of DC12V/1A or an external alternating-current power supply of AC85-240V/15VA, and is an LS10-13BxxR3 series AC/DC power module by adopting a built-in power conversion module.
5. The RS-485-to-4G full network communication protocol conversion circuit of claim 1, wherein the RS-485-to-4G full network communication protocol conversion circuit is characterized in that
The system also comprises indicator lamps LED4, LED2 and LED1 which are respectively used for indicating the operation of the protocol conversion circuit, GPRS online/offline and network state.
6. The RS-485-to-4G full network communication protocol conversion circuit of claim 1, wherein the RS-485-to-4G full network communication protocol conversion circuit is characterized in that
In this embodiment, the CPU is MSP430F 149.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508957.2U CN214256349U (en) | 2021-03-10 | 2021-03-10 | RS-485 to 4G full network communication protocol conversion circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508957.2U CN214256349U (en) | 2021-03-10 | 2021-03-10 | RS-485 to 4G full network communication protocol conversion circuit |
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| CN214256349U true CN214256349U (en) | 2021-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116156625A (en) * | 2023-02-21 | 2023-05-23 | 北京中集智冷科技有限公司 | Novel locator |
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2021
- 2021-03-10 CN CN202120508957.2U patent/CN214256349U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116156625A (en) * | 2023-02-21 | 2023-05-23 | 北京中集智冷科技有限公司 | Novel locator |
| CN116156625B (en) * | 2023-02-21 | 2024-01-02 | 北京中集智冷科技有限公司 | Novel locator |
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