CN214123139U

CN214123139U - Three-mode local communication module of low-voltage distribution area

Info

Publication number: CN214123139U
Application number: CN202023328384.XU
Authority: CN
Inventors: 董银锋; 崔涛
Original assignee: Shenzhen Friendcom Technology Co Ltd
Current assignee: Shenzhen Friendcom Technology Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-03
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a three-mode local communication module of a low-voltage distribution area, which relates to the technical field of communication and solves the problems that the prior dual-mode communication technology can not realize the collection of collected power information and the same frequency interference exists in the HPLC communication network of a distribution network, and comprises an MCU module, a first HPLC module and a second HPLC module which are connected with the MCU module; the first HPLC module is used for acquiring marketing data of a power distribution station area; the second HPLC module is used for managing a device distribution network of a power distribution station area and managing the device distribution network; the MCU module is respectively provided with an independent communication frequency band for the first HPLC module and the second HPLC module. The utility model discloses there is not same frequency interference, and communication efficiency is high, and simple structure, possesses market using value.

Description

Three-mode local communication module of low-voltage distribution area

Technical Field

The utility model relates to the field of communication technology, especially, relate to a three mould local communication module in low pressure distribution station district.

Background

At present, in order to better solve the equipment management and control of the low-voltage power distribution station area, the adopted local communication network is an HPLC + RF dual-mode communication technology. In practical application, because the power information acquisition and utilization HPLC local communication network still exists on the distribution substation site, the existing HPLC + RF dual-mode communication cannot meet the requirement of performing information acquisition and distribution network and equipment management simultaneously on the same HPLC local communication network.

With the refinement of the management of national network companies, marketing and distribution networks are possibly integrated in the future, and a collection network of marketing and equipment of the distribution networks are uniformly managed by using a fusion terminal of the distribution networks; moreover, the HPLC and the HPLC communication networks of the distribution network need to respectively work in different communication frequency bands, so as to reduce the problem of co-channel interference. In this case, the control center of the network needs to be compatible with the HPLC network already installed in a large scale while managing the distribution network devices, so that a new technical solution needs to be designed to meet the above requirements.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in: aiming at the problems that the collected power information cannot be collected by the conventional HPLC + RF dual-mode communication technology and the same frequency interference exists in the HPLC and HPLC communication networks of the distribution network, the three-mode local communication module of the low-voltage distribution station area is provided.

The utility model provides a technical scheme that its technical problem adopted is: a three-mode local communication module of a low-voltage power distribution station area comprises an MCU module, a first HPLC module and a second HPLC module, wherein the first HPLC module and the second HPLC module are connected with the MCU module.

Further, the first HPLC module is used for collecting marketing data of the power distribution area, the second HPLC module is used for managing an equipment distribution network and management of the power distribution area, and the MCU module is used for configuring independent communication frequency bands for the first HPLC module and the second HPLC module respectively.

Further, the first HPLC module is in bidirectional communication with the MCU module, and the second HPLC module is in unidirectional communication with the MCU module.

Furthermore, the first HPLC module and the second HPLC module are both provided with a first filter and a second filter, and the first filter and the second filter are both bidirectionally connected to the first HPLC module and the second HPLC module respectively.

Further, the first filter is a power amplifier filter, and the second filter is a receiving filter.

Further, the three-mode local communication module further comprises an RF module bidirectionally connected to the MCU module, and the MCU module is configured to manage communication of the RF module.

Further, the RF module and the second HPLC module form a dual-mode local communication module, and the first HPLC module, the second HPLC module and the RF module form a triple-mode local communication module.

Further, the center frequency of the RF module is 470 MHz.

Furthermore, the three-mode local communication module further comprises a fusion terminal which is connected with the MCU module in a bidirectional mode. The MCU module acquires an equipment file from the fusion terminal and issues the equipment file to the second HPLC module, and the second HPLC module performs networking on all electric meter equipment under the jurisdiction of the area according to the equipment file; and the MCU module initiates a meter reading task to the first HPLC module according to the instruction of the fusion terminal and sends the acquired data to the fusion terminal.

Implement the utility model discloses a technical scheme among the above-mentioned technical scheme has following advantage or beneficial effect: on the basis of the existing power distribution area dual-mode communication network scheme, one path of HPLC communication channel is added, an MCU module is used for distributing independent working frequency for independently networking and data acquisition with a marketing local communication network in an area, and the HPLC communication channel and the existing dual-mode communication module form a three-mode communication module again, so that the problems of power information which cannot be acquired by the existing dual-mode communication module and co-frequency interference of the HPLC communication network of a distribution network and the HPLC communication network are effectively solved. The module has no same frequency interference, high communication efficiency, simple structure and market application value.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, and in the drawings:

fig. 1 is a schematic structural diagram of a three-mode local communication module according to an embodiment of the present invention.

1. An MCU module; 2. a first HPLC module; 3. a second HPLC module; 4. a first filter; 5. a second filter; 6. an RF module; 7. and fusing the terminals.

Detailed Description

In order to make the objects, solutions and advantages of the present invention more apparent, the various embodiments to be described hereinafter will be referred to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present invention. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

As shown in fig. 1, the utility model provides a three mould local communication module embodiments in low pressure distribution block district, including MCU module 1, first HPLC module 2 and second HPLC module 3 all with MCU module 1 both way junction. Specifically, the first HPLC module 2 is used for collecting marketing data of a power distribution area, the second HPLC module 3 is used for managing an equipment distribution network and management of the power distribution area, and the MCU module 1 configures independent communication frequency bands for the first HPLC module 2 and the second HPLC module 3. It should be noted that, the utility model discloses on current distribution station district bimodulus communication network scheme basis, increase a first HPLC module 2, the HPLC network that the 2 networks of first HPLC module formed can independently carry out network deployment and data acquisition with original marketing local communication network in the station district. The module and the existing dual-mode module (the second HPLC module and the RF module) perform data interaction through the MCU module 1 to acquire an information acquisition instruction, or send acquired data to a control center (a fusion terminal 7). Furthermore, because two PLCs in the network are newly added to work simultaneously, in order to avoid mutual interference, the MCU module 1 configures independent communication frequency bands for the first HPLC module 2 and the second HPLC module 3, respectively, so as to ensure compatible communication between the two large-scale HPLC networks.

Further, the first HPLC module 2 is in bidirectional communication with the MCU module 1, and is used for bidirectional data acquisition between the MCU module 1 and the first HPLC module 2; the second HPLC module 3 is communicated with the MCU module 1 in a one-way mode and used for controlling the second HPLC module 3 to carry out equipment network access and equipment management in a one-way mode through the MCU module 1. The first HPLC module 2 and the second HPLC module 3 are both provided with a first filter 4 and a second filter 5, and the first filter 4 and the second filter 5 are both in bidirectional connection with the first HPLC module 2 and the second HPLC module 3, respectively, so that bidirectional communication is realized. In this embodiment, the first filter 4 is a power amplifier filter; the second filter 5 is a receive filter. Furthermore, the second HPLC module 3 is provided with a sensing chip for sensing an HPLC network signal, so as to facilitate network access of each device. Preferably, the sensing chip model can be: the PLC-Hi3921 may be, of course, other chips of the same type, and is not particularly limited herein.

In this embodiment, the three-mode local communication module further includes an RF module 6 bidirectionally connected to the MCU module 1, and the MCU module 1 is configured to control and manage communication between the RF module 6 and each networked electric device (e.g., an electric meter). Further, the RF module 6 and the second HPLC module 3 form a dual-mode local communication module, the first HPLC module 2 and the second HPLC module 3, the RF module 6 form a triple-mode local communication module, and the center frequency of the RF module 6 is preferably 470 MHZ. Furthermore, the triple-mode local communication module of this embodiment further includes a convergence terminal 7 bi-directionally connected to the MCU module 1. The MCU module 1 acquires an equipment file from the fused terminal 7 and sends the equipment file to the second HPLC module 3, and the second HPLC module 3 performs networking on all electric meter equipment under the jurisdiction of the local area according to the equipment file; the MCU module 1 initiates a meter reading task to the first HPLC module 2 according to the instruction of the fusion terminal 7, and sends the acquired data to the fusion terminal 7. More specifically, the MCU module 1 is used as a main control unit of the whole three-mode local communication network, and is responsible for communication and interaction with the convergence terminal 7, dual-mode networking management of the RF module 6 and the second HPLC module 3, and file management and data exchange of the first HPLC module 2. After the network-connected device is powered on, the MCU module 1 may allocate different operating frequencies to the first HPLC module 2 and the second HPLC module 3 according to the HPLC interference condition sensed by the sensing chip of the second HPLC module 3 on site, and control the second HPLC module 3 and the RF module 6 to perform networking, and manage data acquisition and device control of all the network-distribution devices. Meanwhile, the MCU module 1 sends the file of the electric power equipment acquired from the fusion terminal 7 to the first HPLC module 2, the first HPLC module 2 performs networking on all the electric power equipment in the platform area, and after the networking is completed, the MCU module 1 initiates data acquisition tasks such as meter reading and the like on the first HPLC module 2 according to an instruction of the fusion terminal 7 and sends the acquired data to the fusion terminal 7.

In conclusion, on the basis of the existing power distribution area dual-mode communication network scheme, the module is additionally provided with one path of HPLC communication channel, the MCU module is used for distributing independent working frequency for independently networking and data acquisition with a marketing local communication network in the area, the HPLC communication channel and the existing dual-mode communication module form a three-mode communication module again, and the problems of power information which cannot be acquired by the existing dual-mode communication module and co-frequency interference of the HPLC communication network and the HPLC communication network of the distribution network are effectively solved. The module has no same frequency interference, high communication efficiency, simple structure and market application value.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the present invention.

Claims

1. The three-mode local communication module of the low-voltage distribution station area is characterized by comprising an MCU (microprogrammed control unit) module (1), a first HPLC (high performance liquid chromatography) module (2) and a second HPLC module (3), wherein the first HPLC module and the second HPLC module are both connected with the MCU module (1);

the first HPLC module (2) is used for collecting power data of the power distribution station area;

the second HPLC module (3) is used for managing equipment distribution networks and management of the power distribution station area;

the MCU module (1) is used for configuring independent communication frequency bands for the first HPLC module (2) and the second HPLC module (3) respectively.

2. The three-mode local communication module of the low-voltage distribution substation of claim 1, characterized in that said first HPLC module (2) said MCU module (1) communicates bidirectionally;

the second HPLC module (3) is in one-way communication with the MCU module (1).

3. The triple-mode local communication module of the low-voltage distribution substation of claim 2, characterized in that said first HPLC module (2), said second HPLC module (3) are each provided with a first filter (4) and a second filter (5);

the first filter (4) and the second filter (5) are respectively in bidirectional connection with the first HPLC module (2) and the second HPLC module (3).

4. Triple-mode local communication module of a low-voltage distribution substation according to claim 3, characterized in that said first filter (4) is a power amplifier filter;

the second filter (5) is a receive filter.

5. Triple-mode local communication module of low voltage distribution substation according to claim 4, characterized in that said second HPLC module (3) is provided with a sensing chip.

6. Triple-mode local communication module of a low voltage distribution substation according to claim 5, characterized in that it further comprises an RF module (6) bidirectionally connected to said MCU module (1);

the MCU module (1) is used for managing the communication of the RF module (6).

7. Triple-mode local communication module of a low-voltage distribution substation according to claim 6, characterized in that said RF module (6) and said second HPLC module (3) constitute a dual-mode local communication module;

the first HPLC module (2), the second HPLC module (3) and the RF module (6) form a three-mode local communication module.

8. Triple-mode local communication module of a low-voltage distribution substation according to claim 6, characterized in that the center frequency of the RF module (6) is 470 MHz.

9. The triple-mode local communication module of the low-voltage distribution substation according to any of claims 1 to 8, characterized in that it further comprises a convergence terminal (7) connected bidirectionally to said MCU module (1);

the MCU module (1) acquires an equipment file from the fusion terminal (7) and sends the equipment file to the second HPLC module (3), and the second HPLC module (3) performs networking on all electric meter equipment under the jurisdiction of the region according to the equipment file;

and the MCU module (1) initiates a meter reading task to the first HPLC module (2) according to the instruction of the fusion terminal (7), and sends the acquired data to the fusion terminal (7).