CN210839565U - Intelligent communication unit and system for power distribution internet of things - Google Patents

Abstract

The utility model provides an intelligent communication unit and system of the power distribution Internet of things. Wherein, the power distribution IoT intelligent communication unit includes: a broadband power line carrier communication chip, the first serial port of the broadband power line carrier communication chip is connected with an RS485 chip, and the RS485 chip is connected with an RS485 communication terminal; the broadband power line carrier communication chip The second serial port is connected with the RS232 chip, and the RS232 chip is connected with the RS232 communication terminal; a universal input and output port of the broadband power line carrier communication chip is connected with the remote signal terminal; the analog-to-digital conversion port of the broadband power line carrier communication chip is connected with the The zero detection circuit is connected; the carrier communication port of the broadband power line carrier communication chip is connected with the carrier communication circuit.

Description

An intelligent communication unit and system for power distribution Internet of things

technical field

The utility model belongs to the field of intelligent communication of power distribution Internet of things, in particular to an intelligent communication unit and system of power distribution Internet of things.

Background technique

The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

Distribution Internet of Things is a new type of power network form produced by the deep integration of traditional industry technology and Internet of Things technology. It is the distribution network in the new generation of power system to meet the needs of lean management of the distribution network and support the rapid development of the energy Internet.

The inventor found that the current intelligent communication mode of the current distribution Internet of Things is simple, which makes the communication efficiency low, and because the distribution equipment is in a strong electromagnetic field environment, the current distribution Internet of things intelligent communication equipment has poor anti-interference ability.

Utility model content

In order to solve the above problems, the present invention provides an intelligent communication unit and system for the Internet of Things for power distribution. Moreover, the use of broadband power line carrier communication chip improves the anti-interference ability of power distribution IoT communication.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

A first aspect of the present disclosure provides a power distribution Internet of Things intelligent communication unit, which includes:

Broadband power line carrier communication chip, the first serial port of the broadband power line carrier communication chip is connected with the RS485 chip, the RS485 chip is connected with the RS485 communication terminal; the second serial port of the broadband power line carrier communication chip is connected with the RS232 chip, the The RS232 chip is connected with the RS232 communication terminal; a universal input and output port of the broadband power line carrier communication chip is connected with the remote signal terminal; the analog-to-digital conversion port of the broadband power line carrier communication chip is connected with the zero-crossing detection circuit; The carrier communication port is connected with the carrier communication circuit.

As an implementation manner, the first serial port of the broadband power line carrier communication chip and the RS485 chip are connected through a first optoelectronic isolation circuit.

As an implementation manner, the second serial port of the broadband power line carrier communication chip is connected to the RS232 chip through a second optoelectronic isolation circuit.

As an implementation manner, a general input and output port of the broadband power line carrier communication chip is connected to the remote signaling terminal through a third photoelectric isolation circuit.

As an implementation manner, the analog-to-digital conversion port of the broadband power line carrier communication chip and the zero-crossing detection circuit are connected through a fourth photoelectric isolation circuit.

As an implementation manner, the carrier communication port of the broadband power line carrier communication chip and the carrier communication circuit are connected through an electromagnetic isolation circuit.

As an embodiment, the power distribution IoT intelligent communication unit further includes a power supply module, which is used to supply power to the power distribution IoT intelligent communication unit; the power supply module includes an EMC circuit, and the EMC circuits are connected in series Between the commercial power supply and the AC/DC module, the output end of the AC/DC module is connected to at least two parallel connected DC/DC modules.

A second aspect of the present disclosure provides a power distribution Internet of Things intelligent communication system, which includes the power distribution Internet of Things intelligent communication unit as described above, wherein one end of the power distribution Internet of Things intelligent communication unit is connected to the low-voltage equipment in the station area, and the other One end is connected to the intelligent power distribution terminal.

As an implementation manner, the smart power distribution terminal is connected to a cloud server.

The beneficial effects of the present utility model are:

The intelligent communication unit of the power distribution Internet of things of the utility model integrates the functions of RS485 communication, RS232 communication and broadband power line carrier communication, is suitable for various communication modes, has a simple circuit structure, and has the advantages of terminal plug-and-play;

The intelligent communication unit of the distribution Internet of things of the utility model adopts the broadband power line carrier communication chip, realizes the broadband power line carrier communication, and improves the anti-interference ability of the distribution Internet of things communication.

Description of drawings

The accompanying drawings, which constitute a part of the present invention, are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention.

FIG. 1 is a schematic diagram of a power distribution Internet of Things intelligent communication unit according to an embodiment of the present disclosure.

FIG. 2 is a schematic structural diagram of a power distribution Internet of Things intelligent communication system according to an embodiment of the present disclosure.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

It should be noted that the following detailed descriptions are all exemplary and are intended to provide further explanation of the present invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It should be noted that the terminology used herein is for describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only a relational word determined for the convenience of describing the structural relationship of each component or element of the present utility model, and does not specifically refer to any component or element in the present utility model. It is understood as a limitation of the present invention.

In this utility model, terms such as "fixed connection", "connected", "connected", etc. should be understood in a broad sense, indicating that it can be a fixed connection, an integral connection or a detachable connection; it can be directly connected, or it can be connected through The intermediary is indirectly connected. For the relevant scientific research or technical personnel in the field, the specific meanings of the above terms in the present invention can be determined according to specific circumstances, and should not be construed as limitations on the present invention.

Example 1

FIG. 1 shows a schematic diagram of an intelligent communication unit of the Internet of Things for power distribution in this embodiment.

As shown in FIG. 1, the power distribution Internet of Things intelligent communication unit of this embodiment includes:

Broadband power line carrier communication chip, the first serial port of the broadband power line carrier communication chip is connected with the RS485 chip, the RS485 chip is connected with the RS485 communication terminal; the second serial port of the broadband power line carrier communication chip is connected with the RS232 chip, the The RS232 chip is connected with the RS232 communication terminal; a universal input and output port of the broadband power line carrier communication chip is connected with the remote signal terminal; the analog-to-digital conversion port of the broadband power line carrier communication chip is connected with the zero-crossing detection circuit; The carrier communication port is connected with the carrier communication circuit.

Specifically, the model of the broadband power line carrier communication chip can be specifically selected by those skilled in the art according to the actual situation.

The models of the RS485 chip and the RS232 chip can be specifically selected by those skilled in the art according to the actual situation.

The carrier communication circuit is an existing circuit structure, and those skilled in the art can specifically select it according to the actual situation.

The zero-crossing detection circuit is an existing circuit structure, for example, it is implemented by a comparator, and those skilled in the art can select it according to the actual situation.

As an implementation manner, the first serial port of the broadband power line carrier communication chip and the RS485 chip are connected through a first optoelectronic isolation circuit.

Wherein, the first optoelectronic isolation circuit can be realized by an optoelectronic isolator, which uses light as a medium to transmit electrical signals and has a good isolation effect on input and output electrical signals. The model of the optoelectronic isolator can be specifically selected by those skilled in the art according to the actual situation.

As an implementation manner, the second serial port of the broadband power line carrier communication chip is connected to the RS232 chip through a second optoelectronic isolation circuit.

Wherein, the second optoelectronic isolation circuit can be realized by an optoelectronic isolator, which uses light as a medium to transmit electrical signals and has a good isolation effect on input and output electrical signals. The model of the optoelectronic isolator can be specifically selected by those skilled in the art according to the actual situation.

As an implementation manner, a general input and output port of the broadband power line carrier communication chip is connected to the remote signaling terminal through a third photoelectric isolation circuit.

Among them, the third optoelectronic isolation circuit can be realized by an optoelectronic isolator, which uses light as a medium to transmit electrical signals and has a good isolation effect on input and output electrical signals. The model of the optoelectronic isolator can be specifically selected by those skilled in the art according to the actual situation.

As an implementation manner, the analog-to-digital conversion port of the broadband power line carrier communication chip and the zero-crossing detection circuit are connected through a fourth photoelectric isolation circuit.

Among them, the fourth optoelectronic isolation circuit can be realized by an optoelectronic isolator, which uses light as a medium to transmit electrical signals and has a good isolation effect on input and output electrical signals. The model of the optoelectronic isolator can be specifically selected by those skilled in the art according to the actual situation.

In this embodiment, the photoelectric isolation circuit is used to improve the accuracy of data communication between the broadband power line carrier communication chip and the corresponding circuit, thereby avoiding external electromagnetic interference.

As an implementation manner, the carrier communication port of the broadband power line carrier communication chip and the carrier communication circuit are connected through an electromagnetic isolation circuit.

Among them, the electromagnetic isolation circuit can be realized by adopting the EMC circuit. Electromagnetic Compatibility EMC (Electro Magnetic Compatibility) refers to the ability of a device or system to operate compliantly in its electromagnetic environment without causing intolerable electromagnetic interference to any device in its environment. The circuit structure of the EMC circuit is an existing structure, which is not repeated here.

As an embodiment, the power distribution IoT intelligent communication unit further includes a power supply module, which is used to supply power to the power distribution IoT intelligent communication unit; the power supply module includes an EMC circuit, and the EMC circuits are connected in series Between the commercial power supply and the AC/DC module, the output end of the AC/DC module is connected to at least two parallel connected DC/DC modules.

Among them, EMC (Electro Magnetic Compatibility, Electromagnetic Compatibility) refers to the ability of a device or system to operate in compliance with the requirements in its electromagnetic environment without causing intolerable electromagnetic interference to any device in its environment. The circuit structure of the EMC circuit is an existing structure, which is not repeated here.

The AC/DC module converts alternating current into direct current, and its circuit structure is the existing structure, and the corresponding circuit structure can be selected according to the actual situation.

The DC/DC module is the conversion between direct current and direct current, and its structure is also the existing structure, such as BOOST boost circuit and BUCK voltage drop circuit.

The power distribution IoT intelligent communication unit of this embodiment integrates RS485 communication, RS232 communication and broadband power line carrier communication functions, is suitable for a variety of communication methods, has a simple circuit structure, and has the advantage of terminal plug-and-play;

The intelligent communication unit of the power distribution Internet of Things in this embodiment adopts a broadband power line carrier communication chip, which realizes the broadband power line carrier communication and improves the anti-interference ability of the power distribution Internet of things communication.

Example 2

As shown in FIG. 2 , a power distribution Internet of Things intelligent communication system in this embodiment includes a power distribution Internet of Things intelligent communication unit as shown in FIG. 1 , and one end of the power distribution Internet of Things intelligent communication unit is connected to the low voltage of the station area. The device is connected, and the other end is connected to the intelligent power distribution terminal.

As an implementation manner, the smart power distribution terminal is connected to a cloud server.

Among them, the structure of the power distribution terminal is the existing structure, and the specific model of the terminal can be specifically selected by those skilled in the art according to the actual situation.

In the power system, the station area refers to the power supply range or area of a (one) transformer. It is the noun of power economic operation management. There is also a regional place name in a specific sentence.

The low-voltage equipment in the Taiwan area refers to the low-voltage equipment within the power supply range or area of the transformer.

Among them, where the voltage to ground is 250V and below is low-voltage, and the electrical devices used in low-voltage grades are low-voltage equipment, such as control cabinets, compensation cabinets, incoming cabinets, outgoing cabinets, frequency conversion control cabinets, soft start cabinets, etc.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (9)

1. A power distribution Internet of Things intelligent communication unit, characterized in that, comprising: Broadband power line carrier communication chip, the first serial port of the broadband power line carrier communication chip is connected with the RS485 chip, the RS485 chip is connected with the RS485 communication terminal; the second serial port of the broadband power line carrier communication chip is connected with the RS232 chip, the The RS232 chip is connected with the RS232 communication terminal; a universal input and output port of the broadband power line carrier communication chip is connected with the remote signal terminal; the analog-to-digital conversion port of the broadband power line carrier communication chip is connected with the zero-crossing detection circuit; The carrier communication port is connected with the carrier communication circuit. 2 . The intelligent communication unit of the power distribution Internet of Things according to claim 1 , wherein the first serial port of the broadband power line carrier communication chip and the RS485 chip are connected through a first photoelectric isolation circuit. 3 . 3 . The intelligent communication unit of power distribution Internet of Things according to claim 1 , wherein the second serial port of the broadband power line carrier communication chip and the RS232 chip are connected through a second photoelectric isolation circuit. 4 . 4 . The intelligent communication unit of the Internet of Things for power distribution according to claim 1 , wherein a universal input and output port of the broadband power line carrier communication chip and the remote signaling terminal are connected through a third photoelectric isolation circuit. 5 . 5 . The intelligent communication unit of power distribution Internet of Things according to claim 1 , wherein the analog-to-digital conversion port of the broadband power line carrier communication chip and the zero-crossing detection circuit are connected through a fourth photoelectric isolation circuit. 6 . 6 . The intelligent communication unit of the power distribution Internet of Things according to claim 1 , wherein the carrier communication port of the broadband power line carrier communication chip and the carrier communication circuit are connected through an electromagnetic isolation circuit. 7 . 7. The power distribution Internet of Things intelligent communication unit according to claim 1, wherein the power distribution Internet of Things intelligent communication unit further comprises a power supply module, and the power module is used to supply power to the power distribution Internet of Things intelligent communication unit The power supply module includes an EMC circuit, the EMC circuit is connected in series between the commercial power supply and the AC/DC module, and the output end of the AC/DC module is connected with at least two parallel connected DC/DC modules. 8. A power distribution Internet of Things intelligent communication system, characterized in that it comprises the power distribution Internet of things intelligent communication unit according to any one of claims 1-7, one end of the power distribution Internet of things intelligent communication unit is connected to the station. The low-voltage equipment in the district is connected, and the other end is connected to the intelligent power distribution terminal. 9 . The intelligent communication system of power distribution Internet of Things according to claim 8 , wherein the intelligent power distribution terminal is connected to a cloud server. 10 .

Images