CN216817577U

CN216817577U - Transformer substation signal transmission device based on wireless communication

Info

Publication number: CN216817577U
Application number: CN202123339693.1U
Authority: CN
Inventors: 蒋文华; 邵海飞; 谢斌; 杨航坤; 徐曜陆; 蒋红林; 龚雪松; 杨利明
Original assignee: Kunming Enersun Technology Co Ltd
Current assignee: Kunming Enersun Technology Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-24
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a transformer substation signal transmission device based on wireless communication, which comprises: the intelligent transformer substation comprises a shell, a power supply and a core development board, wherein the power supply and the core development board are arranged in the shell, the core development board is provided with a signal processing module, an LoRa communication module, a WIFI communication module and a function expansion module, the LoRa communication module, the WIFI communication module and the function expansion module are all connected with the signal processing module, an interface of the function expansion module is arranged on the shell, the LoRa communication module is in communication connection with a transformer substation sensor, and the WIFI communication module is connected with video monitoring equipment; the shell is provided with a network port, and the signal processing module is connected with the switch through the network port; the device uses wireless technology to transmit video monitoring data and other auxiliary sensor data in the transformer substation, can reduce the work of laying lines, reduces the possibility of safety accidents of the transformer substation caused by laying lines and avoids manpower waste, and can expand functions to meet the requirements of signal transmission of different equipment of different transformer substations.

Description

Transformer substation signal transmission device based on wireless communication

Technical Field

The utility model relates to the technical field of transformer substation auxiliary equipment, in particular to a transformer substation signal transmission device based on wireless communication.

Background

At present, signal transmission of a transformer substation sensor is carried out in a cabling mode, if a station is large, the line laying distance is too far, the quantity of wires is large, and meanwhile, a large amount of labor cost is needed. And the safety accidents of the transformer substation can be caused when the cables are laid.

In the internal data communication of the transformer substation system, for realizing information exchange and information sharing between the inside of each subsystem and each subsystem, an RS232/RS485 mode is mostly adopted, and the mode has the advantages that the communication equipment is simple, the cost is low, but the speed is low, only a question-and-answer mode can be adopted to transmit data, and the transmission efficiency is low. Adopt serial ports transmission and other mode transmission all to receive the restriction of wiring, also be that the wiring or change the line engineering volume big, the circuit suffers damage easily, each node in the network is difficult to remove etc. that causes the circuit hidden danger many, and the structure lacks the flexibility, lacks whole cooperation between the various intelligent device.

Disclosure of Invention

In order to solve the defects in the prior art, the inventor provides a transformer substation signal transmission device based on wireless communication, video monitoring data and other auxiliary sensor data in a transformer substation are transmitted by using a wireless technology, the circuit laying work can be reduced, the possibility of safety accidents in the transformer substation caused by circuit laying is reduced, and manpower waste is avoided.

Specifically, the present invention is realized by:

a transformer substation signal transmission device based on wireless communication comprises: the intelligent transformer substation comprises a shell, a power supply and a core development board, wherein the power supply and the core development board are arranged in the shell, the core development board is provided with a signal processing module, a LoRa communication module, a WIFI communication module and a function expansion module, the LoRa communication module, the WIFI communication module and the function expansion module are all connected with the signal processing module, an interface of the function expansion module is arranged on the shell, the LoRa communication module is in communication connection with a transformer substation sensor, and the WIFI communication module is connected with video monitoring equipment;

the shell is provided with a network port, and the signal processing module is connected with the switch through the network port.

Furthermore, a back plate is arranged in the shell, and the function expanding module is arranged on the back plate;

the function expanding module comprises: the Ethernet module interface and the RS232/RS485 module interface are respectively positioned on two sides of the shell.

Furthermore, a baffle is arranged at the interface of the Ethernet module and the interface of the RS232/RS485 module, the baffle is fixedly connected with the shell through a screw, and the lower end of the baffle is rotatably connected with the shell.

Further, be equipped with the pilot lamp on the casing, the pilot lamp includes: a net mouth indicator light and a power indicator light.

Further, still be equipped with loRa antenna and WIFI antenna on the casing, the loRa antenna is connected with loRa communication module, the WIFI antenna is connected with WIFI communication module.

Compared with the prior art, the utility model has the following working principle and beneficial effects:

(1) the signal transmission devices provided by the utility model are arranged in the transformer substation, the LoRa communication module is adopted to receive sensor signals, the WIFI communication module is used to receive video monitoring signals, the video monitoring signals are uniformly processed by the signal processing module and then are linked to the rear-end network switch through the internet access, the transmission of the signals of the existing bottom sensor, video monitoring, robots, entrance guard face recognition and the like of the transformer substation is realized, the wireless network communication can be covered in the substation by arranging the signal transmission devices in the transformer substation, so that the workload of a large number of through-wall and buried-ditch wiring is saved, and the number of secondary cables is reduced.

(2) A large number of cables are not needed to be erected, the wireless network expansibility is good when the communication scale in the station is increased, and the maintenance is simple and convenient when the communication is in failure, so the investment for establishing and maintaining the wireless network is less.

(3) The function expansion module is arranged, self-service access of the Ethernet module and RS232/RS485 wired transmission can be achieved, data transmission requirements of different transformer substations are met, and the intelligent power supply is suitable for most transformer substations.

Drawings

Fig. 1 is a perspective view of a wireless communication-based substation signal transmission device according to embodiment 1;

fig. 2 is a schematic internal structure diagram of a wireless communication-based substation signal transmission device in embodiment 1;

fig. 3 is an exploded view of a substation signal transmission device based on wireless communication in embodiment 1.

Reference numerals:

1-a shell; 11-a net mouth indicator light; 12-a power indicator light; 13-a network port; 14-a baffle; 2-core development board; 3-a power supply; 4-LoRa communication module; a 41-LoRa antenna; 5-a WIFI communication module; 51- -LoRa antenna; 6-a signal processing module; 7-a back plate; 8-a function expansion module; 81-ethernet module interface; and 82-RS232/RS485 module interface.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Example 1

As shown in fig. 1 to 3, the present invention provides a substation signal transmission device based on wireless communication, including: the device comprises a shell 1, a power supply 3 and a core development board 2 which are arranged in the shell 1, wherein the power supply 3 and the core development board 2 are used for supplying electric energy. Be equipped with signal processing module 6, loRa communication module 4, WIFI communication module 5 and function expansion module 8 on the core development board 2, loRa communication module 4, WIFI communication module 5 and function expansion module 8 all are connected with signal processing module 6 for with signal transmission for signal processing module 6 handles. LoRa communication module 4 is connected with transformer substation's sensor communication through LoRa antenna 41 on the casing 1 for receive temperature and humidity sensor, air conditioner controller, microclimate sensor etc. from taking the sensor signal that LoRa signal uploaded. The WIFI communication module 5 is connected with the video monitoring equipment through the WIFI communication module 51 on the shell 1 and used for receiving video monitoring signals uploaded by the video monitoring, robot and entrance guard face recognition intelligent equipment. After the sensor signal and the video monitoring signal are uploaded, the signal processing module 6 transmits the sensor signal and the video monitoring signal to the back-end network switch through the network port 13.

Further, in order to reduce the volume of the signal transmission device, a function expansion module 8 is installed in a mode that a back plate 7 is erected in the shell 1, and the back plate 7 is fixed with the shell and the core development board 2 through a stud. The function expanding module 8 includes: the Ethernet module interface 81 and the RS232/RS485 module interface 82 are respectively positioned on two sides of the shell 1, the Ethernet module interface 81 is used for connecting an Ethernet module, the RS232/RS485 module interface 82 is used for connecting an RS232/RS485 module, and the communication functions of Ethernet and RS232/RS485 can be expanded according to actual needs. The housing 1 is provided with a baffle 14 at the positions of the ethernet module interface 81 and the RS232/RS485 module interface 82, so as to prevent dust from entering the housing 1 and affecting the service life of the internal components. The baffle 14 is fixedly connected with the shell 1 through screws, the lower end of the baffle 14 is rotatably connected with the shell 1, and when the functions are required to be expanded, the screws are unscrewed, so that the baffle 14 rotates down, and the module is connected to a corresponding interface. Preferably, can set up the limiting plate (not shown) below baffle 14, the limiting plate is used for restricting the turned angle of baffle 14, can make baffle 14 stop when changeing to horizontal position, when installing the module additional, can utilize baffle 14 to support the module, avoids the interface to appear damaging.

Furthermore, a net mouth indicator lamp 11 and a power indicator lamp 12 are arranged on the shell 1, so that the running state of the equipment can be visually seen conveniently.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the utility model and are not intended to be limiting. For a person skilled in the art to which the utility model pertains, several simple deductions, modifications or substitutions may be made according to the idea of the utility model.

Claims

1. A transformer substation signal transmission device based on wireless communication comprises: the intelligent power supply comprises a shell (1), and a power supply (3) and a core development board (2) which are arranged in the shell (1), and is characterized in that the core development board (2) is provided with a signal processing module (6), a LoRa communication module (4), a WIFI communication module (5) and a function expansion module (8), the LoRa communication module (4), the WIFI communication module (5) and the function expansion module (8) are all connected with the signal processing module (6), an interface of the function expansion module (8) is arranged on the shell (1), the LoRa communication module (4) is in communication connection with a transformer substation sensor, and the WIFI communication module (5) is connected with video monitoring equipment;

the shell (1) is provided with a net port (13), and the signal processing module (6) is connected with the switch through the net port (13).

2. The wireless communication-based substation signal transmission device according to claim 1, wherein a back plate (7) is arranged in the housing (1), and the function expansion module (8) is arranged on the back plate (7);

the function expansion module (8) comprises: the shell comprises an Ethernet module interface (81) and an RS232/RS485 module interface (82), wherein the Ethernet module interface (81) and the RS232/RS485 module interface (82) are respectively positioned on two sides of the shell (1).

3. The substation signal transmission device based on wireless communication of claim 2, wherein a baffle (14) is arranged at the Ethernet module interface (81) and the RS232/RS485 module interface (82), the baffle (14) is fixedly connected with the housing (1) through a screw, and the lower end of the baffle (14) is rotatably connected with the housing (1).

4. The wireless communication based substation signal transmission device according to claim 1, characterized in that an indicator lamp is arranged on the housing (1), and the indicator lamp comprises: a net mouth indicator lamp (11) and a power indicator lamp (12).

5. The substation signal transmission device based on wireless communication of claim 1, wherein the housing (1) is further provided with a LoRa antenna (41) and a WIFI antenna (51), the LoRa antenna (41) is connected with the LoRa communication module (4), and the WIFI antenna (51) is connected with the WIFI communication module (5).