CN103094984A - Network distribution structure capable of conveniently sensing ring main units - Google Patents

Abstract

The invention provides a distribution network structure that can conveniently sense the ring network cabinet, including several ring network cabinets and monitoring terminals for monitoring the conditions in the ring network cabinets. The ring network cabinets are equipped with temperature and humidity monitoring devices, water level monitoring device and access control system, the ring network cabinet is equipped with DTU communication equipment connected to the temperature and humidity monitoring device, water level monitoring device and access control system and ONU equipment connected to the DTU communication equipment, and the monitoring terminal includes a ring network cabinet for processing The main station of the computer system of the internal data, the optical transceiver of the main station, the OLT equipment, the OLT equipment and the ONU equipment are connected by optical fiber. The invention is convenient for sensing the working environment of the ring network cabinet and knowing the entry and exit and operation of the staff, and can better protect the normal operation and reliable power supply of the equipment, improve the performance and life of the equipment, and ensure the safety of the staff.

Description

A distribution network structure that can easily perceive the ring network cabinet

technical field

The invention relates to the field of distribution network automation, in particular to a distribution network structure capable of conveniently sensing a ring network cabinet.

Background technique

With the continuous development of the economy and the increasing impact of electric energy on people's lives, especially for urban areas with high load density, the reliability of power supply is particularly important. By establishing a power distribution network based on the ring network structure, it can effectively improve the reliability of power supply, ensure the continuity of power supply, and minimize the impact of power distribution equipment failures and maintenance power outages. As an important device in the ring network operation mode ——Ring network cabinets are also more and more widely used in distribution network transformation. Due to the different types of load switches used, ring network cabinets are divided into gas-producing ring network cabinets, compressed-air ring network cabinets, vacuum ring network cabinets, and SF6 ring network cabinets. Type ring network cabinets have fatal flaws and low reliability due to the switches used, and are now basically eliminated. Vacuum ring network cabinets and SF6 ring network cabinets are widely used due to their high performance indicators, operation and maintenance, and maintenance reliability.

In the prior art, the full name of DTU (Data Transfer unit) is a data transmission unit, which is a wireless terminal device specially used to convert serial data into IP data or convert IP data into serial data through a wireless communication network. DTU communication equipment The main function is to transmit the data of the remote equipment back to the background center wirelessly; ONU (Optical Network Unit) is an optical node, and the ONU equipment can be equipped with optical receivers, upstream optical transmitters, and multiple bridge amplifiers for network monitoring. The ONU device can choose to receive the broadcast data sent by the OLT device, respond to the ranging and power control commands sent by the OLT device and make corresponding adjustments, cache the user's Ethernet data and send it up in the sending window allocated by the OLT device Sending in the row direction; OLT (optical line terminal) is the optical line terminal. The OLT device can be used as a terminal device for connecting the optical fiber trunk line. The OLT device is connected to multiple ONU devices through an optical splitter and can be broadcast to the ONU device. Ethernet data, initiate and control the ranging process, record ranging information, and allocate bandwidth for ONU.

Contents of the invention

The technical problem to be solved by the present invention is to provide a distribution network structure that can easily perceive the ring network cabinet, facilitate the perception of the working environment of the ring network cabinet and understand the staff's access, operation, etc., and can better protect the normal operation of the equipment And reliable power supply, improve the performance and life of equipment, and ensure the safety of staff.

In order to solve the above-mentioned existing technical problems, the present invention adopts the following scheme: a distribution network structure that can conveniently perceive the ring network cabinet, including several ring network cabinets and monitoring terminals for monitoring the conditions in the ring network cabinet, the ring network cabinet The cabinet is equipped with a temperature and humidity monitoring device for monitoring the temperature and humidity in the ring network cabinet, a water level monitoring device for monitoring the liquid level in the ring network cabinet, and an access control system for controlling the opening and closing of the ring network cabinet. The cabinet is equipped with DTU communication equipment and ONU equipment connected with DTU communication equipment. The temperature and humidity monitoring device, water level monitoring device and access control system are all connected with DTU communication equipment. The optical transceiver of the main station, the OLT equipment connected with the optical transceiver of the main station, the OLT equipment and the ONU equipment are connected by optical fibers, and the computer system for processing the data in the ring network cabinet is installed in the main station.

Preferably, the ring network cabinet is provided with an infrared camera monitoring device and a switch connected to the infrared camera monitoring device, which can transmit the monitoring data of the infrared camera monitoring device to the monitoring terminal.

Preferably, the monitoring terminal further includes a central office massive database and an application workstation connected to the main station optical transceiver, and the application workstation is equipped with a computer system for analyzing and processing data in the central office massive database.

Preferably, the temperature and humidity monitoring device, the water level monitoring device and the access control system are connected to the DTU communication equipment through RS485 interface and wiring.

Preferably, the DTU communication device and the ONU device are connected through an RJ45 interface and wiring.

Preferably, the OLT device is connected to ONU devices in different ring network cabinets through an optical splitter.

Preferably, the optical transceiver at the master station is connected to the OLT device through an RJ45 or RS232 interface and wiring.

Preferably, the ring network cabinet is provided with an SF6 sensor for monitoring the SF6 gas leakage in the ring network cabinet, and the SF6 sensor is connected to the DTU communication equipment.

Beneficial effect:

The present invention adopts the above-mentioned technical solution to provide a distribution network structure that can conveniently perceive the ring network cabinet, fills the gap in the perception of the existing ring network cabinet, and covers functions such as temperature and humidity, video monitoring, access control, and flooding. It solves the real-time monitoring of environmental temperature, humidity and water level, and monitors the status of the staff in the switch station and the operation of the person in charge of the operation.

1. Real-time monitoring of environmental temperature, humidity, and water level to prevent equipment from operating in unfavorable working environments, improve equipment performance and life, improve staff safety, and take immediate and effective measures for adverse environments that appear.

2. Understand the entry and exit of switch station personnel, prevent personnel from entering and misoperation, protect the normal operation of equipment and improve reliable power supply capacity.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural schematic diagram of the central network cabinet of the present invention.

Detailed ways

As shown in Figures 1 and 2, a distribution network structure that can conveniently perceive the ring network cabinet includes a number of ring network cabinets 1 and monitoring terminals for monitoring the conditions in the ring network cabinet 1, and the ring network cabinet 1 is equipped with useful The temperature and humidity monitoring device 11 for monitoring the temperature and humidity in the ring network cabinet 1, the water level monitoring device 12 for monitoring the liquid level in the ring network cabinet 1, and the access control system 13 for controlling the opening and closing of the ring network cabinet 1, said Ring network cabinet 1 is provided with DTU communication equipment 14 and ONU equipment 16 connected with DTU communication equipment 14, described temperature and humidity monitoring device 11, water level monitoring device 12 and access control system 13 are all connected with DTU communication equipment 14, described monitoring The terminal includes a master station 21, a master station optical transceiver 22 connected to the master station 21, an OLT device 23 connected to the master station optical transceiver 22, and the OLT device 23 is connected to the ONU device 16 through an optical fiber. A computer system for processing data in the network cabinet 1. The ring network cabinet 1 is provided with an infrared camera monitoring device 17 and a switch 18 connected with the infrared camera monitoring device 17 to transmit the monitoring data of the infrared camera monitoring device 17 to the monitoring terminal. The monitoring terminal also includes a central office mass database 24 connected to the main station optical transceiver 22 and an application workstation 25. The application workstation 25 is equipped with a computer system for analyzing and processing the data in the central office mass database 24. The temperature and humidity monitoring device 11, the water level monitoring device 12 and the access control system 13 are connected with the DTU communication equipment 14 through RS485 interface and wiring. The DTU communication device 14 and the ONU device 16 are connected through an RJ45 type interface and wiring. The OLT device 23 is connected to different ONU devices 16 in the ring main unit 1 through an optical splitter 26 . The master station optical transceiver 22 is connected to the OLT device 23 through an RJ45 or RS232 type interface and wiring. The ring network cabinet 1 is provided with an SF6 sensor 15 for monitoring SF6 gas leakage in the ring network cabinet 1 , and the SF6 sensor 15 is connected to the DTU communication device 14 .

The DTU communication equipment transmits the data of the remote equipment—that is, the temperature and humidity monitoring device 11, the water level monitoring device 12, the access control system 13 and the SF6 sensor 15—back to the background center—that is, the monitoring terminal—by wireless. ONU equipment and OLT equipment cooperate as the connection and data transmission equipment of DTU communication equipment and monitoring terminal. SF6 sensor is sulfur hexafluoride sensor, SF6 gas is sulfur hexafluoride gas. The temperature and humidity monitoring device 11 mainly monitors the temperature and humidity in the ring network cabinet 1 through a temperature and humidity sensor. The water level monitoring device mainly monitors the liquid level in the ring network cabinet through a liquid level transmitter or a liquid level sensor. The main access controller of the access control system controls the opening and closing of the ring network cabinet 1. The central mass database 24 can store and back up the data of the main station optical transceiver, and the computer system in the application workstation 25 can retrieve the data in the central mass database 24 for analysis and processing so as to monitor and manage the ring main unit.

The present invention mainly embodies its overall structure and its perceivability. The invention covers multiple auxiliary systems: temperature and humidity monitoring, video monitoring, access control, water level monitoring and other systems, and through the cooperation of DTU communication equipment, ONU equipment and OLT equipment to convert and transmit data, it can effectively monitor the surrounding environment. It plays a role of real-time monitoring, effectively protects the equipment, improves the safety of the staff, and reflects the perceptibility of the sensitivity of the ring main unit. Compared with conventional ring network cabinets, the ring network cabinet transformation scheme of the present invention has made great improvements and breakthroughs in terms of perception, making it widely used in switch station transformation, greatly improving the reliability of power supply sex.

Claims (8)

1. Distributing network structure that can facilitate the perception ring main unit, comprise some ring main units (1) and be used for the monitoring terminal of the interior situation of monitoring ring main unit (1), it is characterized in that: be provided with the humiture monitoring device (11) for the interior humiture of monitoring ring main unit (1) in described ring main unit (1), be used for the Level monitor (12) of the interior liquid level condition of monitoring ring main unit (1) and be used for controlling the gate control system (13) that ring main unit (1) opens and closes, be provided with DTU communication apparatus (14) and the ONU equipment (16) that is connected with DTU communication apparatus (14) in described ring main unit (1), described humiture monitoring device (11), Level monitor (12) is connected 13 with gate control system) all be connected with DTU communication apparatus (14), described monitoring terminal comprises main website (21), the main website optical transceiver (22) that is connected with main website (21), the OLT equipment (23) that is connected with main website optical transceiver (22), described OLT equipment (23) is connected by optical fiber with ONU equipment (16), be provided with the computer system of processing for to the interior data of ring main unit (1) in main website (21).

2. a kind of Distributing network structure that facilitates the perception ring main unit according to claim 1, is characterized in that: be provided with infrared pick-up head monitoring device (17) and the switch (18) that the Monitoring Data of infrared pick-up head monitoring device (17) can be passed to monitoring terminal that is connected with infrared pick-up head monitoring device (17) in described ring main unit (1).

3. a kind of Distributing network structure that facilitates the perception ring main unit according to claim 1 and 2, it is characterized in that: described monitoring terminal also comprises the local side high-volume database (24) that is connected with main website optical transceiver (22) and uses work station (25), is provided with for the computer system to the interior data analysis of local side high-volume database (24) and processing in application work station (25).

4. a kind of Distributing network structure that facilitates the perception ring main unit according to claim 1 and 2, it is characterized in that: described humiture monitoring device (11), Level monitor (12) are connected 13 with gate control system) be connected with wiring by RS485 type interface with DTU communication apparatus (14).

5. a kind of Distributing network structure that facilitates the perception ring main unit according to claim 1 and 2, it is characterized in that: described DTU communication apparatus (14) is connected 16 with ONU equipment) be connected with wiring by RJ45 type interface.

6. a kind of Distributing network structure that facilitates the perception ring main unit according to claim 1 and 2 is characterized in that: described OLT equipment (23) is connected to ONU equipment (16) in different ring main unit (1) by optical branching device (26).

7. a kind of Distributing network structure that facilitates the perception ring main unit according to claim 1 and 2, it is characterized in that: described main website optical transceiver (22) is connected with wiring by RJ45 or RS232 type interface with OLT equipment (23).

8. a kind of Distributing network structure that facilitates the perception ring main unit according to claim 1 and 2, it is characterized in that: be provided with the SF6 transducer (15) for the interior SF6 Leakage Gas of monitoring ring main unit (1) in described ring main unit (1), described SF6 transducer (15) is connected with DTU communication apparatus (14).

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