Online method and system for electricity consumption information acquisition equipment in no-signal area
阅读说明：本技术 一种无信号地区用电信息采集设备的上线方法及系统 (Online method and system for electricity consumption information acquisition equipment in no-signal area ) 是由 齐军峰 张俊 韩胜利 吴志刚 蒋涛 常玮玮 姚艳 于 2019-11-25 设计创作，主要内容包括：本发明提供一种无信号地区用电信息采集设备的上线方法及系统,属于电力领域,上线方法在于通过光纤将无信号地区的用电信息采集设备的数据传输至有信号地区,以实现信息采集设备的上线。上线系统包括：用电信息采集设备,设置在无信号地区；外置通信主模块,设置在所述信息采集设备上,并与用电信息采集设备连接；外置通信从模块,设置在有信号地区,用于与采集主站进行数据传输；光纤,连接所述外置通信主模块和外置通信从模块,用于数据传输。本发明采用光纤将无信号地区的用电信息采集设备的数据传输至有信号地区,以实现信息采集设备的上线,数据传输稳定、延迟小且可超远距离传输,解决了现有中压载波方式存在的信号衰减延迟等缺陷。(The invention provides an online method and system of power utilization information acquisition equipment in a non-signal area, belonging to the field of electric power. The online system comprises: the power utilization information acquisition equipment is arranged in a signal-free area; the external communication main module is arranged on the information acquisition equipment and is connected with the electricity utilization information acquisition equipment; the external communication slave module is arranged in a signal area and used for carrying out data transmission with the acquisition master station; and the optical fiber is connected with the external communication master module and the external communication slave module and is used for data transmission. The invention adopts the optical fiber to transmit the data of the power utilization information acquisition equipment in the non-signal area to the signal area so as to realize the online of the information acquisition equipment, has stable data transmission, small delay and ultra-long distance transmission, and solves the defects of signal attenuation delay and the like in the traditional medium-voltage carrier wave mode.)
1. A method for uploading power utilization information acquisition equipment in a no-signal area is characterized in that data of the power utilization information acquisition equipment in the no-signal area is transmitted to a signal area through optical fibers so as to realize the uploading of the power utilization information acquisition equipment.
2. The online method for the electricity consumption information collection equipment in the signal-free area according to claim 1, wherein an external communication master module is connected to the electricity consumption information collection equipment in the signal-free area, an external communication slave module is arranged in the signal-containing area, and the external communication master module and the external communication slave module are connected through an optical fiber to realize data transmission.
3. The on-line method of the signal-free area electricity information acquisition equipment according to claim 2, characterized in that the external communication main module is connected with a photoelectric conversion module to convert 485 signals into optical signals, and then the optical signals are transmitted through optical fibers; and the external communication slave module is connected with another photoelectric conversion module to convert the optical signal transmitted by the optical fiber into a 485 signal, and the external communication slave module transmits the data transmitted by the optical fiber to the acquisition master station.
4. An online system of no signal area power consumption information acquisition equipment, characterized by comprising:
the power utilization information acquisition equipment is arranged in a signal-free area;
the external communication main module is arranged on the power utilization information acquisition equipment;
the external communication slave module is arranged in a signal area and used for carrying out data transmission with the acquisition master station;
and the optical fiber is connected with the external communication master module and the external communication slave module and is used for data transmission.
5. The system for connecting a power consumption information collection device to a power supply in a signal-free area according to claim 4, wherein a first photoelectric conversion module is connected between the external communication main module and the optical fiber to convert the 485 signal into an optical signal.
6. The system for connecting a power consumption information collection device to a signal-free area according to claim 5, wherein the external communication main module is connected to the first photoelectric conversion module through a network cable;
the RXD A core wire of the network cable is connected with the RXD-port of the first photoelectric conversion module, the RXD B core wire is connected with the RXD + port of the first photoelectric conversion module, the T/R A core wire is connected with the T/R-port of the first photoelectric conversion module, and the T/R B core wire is connected with the T/R + port of the first photoelectric conversion module.
7. The system of claim 5, wherein a second photoelectric conversion module is connected between the optical fiber and the external communication slave module to convert the optical signal into a 485 signal.
8. The system of claim 7, wherein the external communication slave module is connected to the second photoelectric conversion module via a network cable;
the RXD A core wire of the network cable is connected with the RXD + port of the second photoelectric conversion module, the RXD B core wire is connected with the RXD-port of the second photoelectric conversion module, the T/R A core wire is connected with the T/R + port of the second photoelectric conversion module, and the T/R B core wire is connected with the T/R-port of the second photoelectric conversion module.
9. The system of claim 7, wherein the transmitting port of the first photoelectric conversion module is connected to the receiving port of the second photoelectric conversion module via an optical fiber, and the receiving port of the first photoelectric conversion module is connected to the transmitting port of the second photoelectric conversion module via an optical fiber.
10. The system of claim 4, wherein the distance between the external communication master module and the external communication slave module is 0.3-20 km.
Technical Field
The invention belongs to the field of electric power, and particularly relates to a method for uploading power utilization information acquisition equipment in a no-signal area.
Background
The concentrator is a central management device and a control device of a remote centralized meter reading system and is responsible for regularly reading terminal data, command transmission of the system, data communication, network management, event recording, transverse transmission of data and other functions. In the electric power meter reading system, sometimes the concentrator is installed in an area without signals or with poor signals, so that the concentrator is off-line and data transmission cannot be completed.
At present, the problem of on-line of a concentrator in a signal-free area is solved, a power line carrier communication mode is mostly adopted, specifically, a medium-voltage carrier communication mode is adopted, namely, a 10KV medium-voltage distribution line is used as a transmission channel, but the existing medium-voltage carrier communication mode has the defects of easy attenuation of data transmission, signal delay and the like.
Disclosure of Invention
Based on the above background problem, the present invention aims to provide an online method for power consumption information acquisition equipment in a no-signal area, which transmits data of the power consumption information acquisition equipment in the no-signal area to a signal area through an optical fiber to realize online of the power consumption information acquisition equipment, and solves the problems of signal attenuation delay and the like in the prior art. In addition, the invention also provides an online system of the electricity information acquisition equipment for the signal-free area, which is formed based on the online method.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a method for uploading power utilization information acquisition equipment in a no-signal area is characterized in that data of the power utilization information acquisition equipment in the no-signal area is transmitted to a signal area through optical fibers so as to realize the uploading of the power utilization information acquisition equipment.
The external communication master module is connected to the power utilization information acquisition equipment in the signal-free area, the external communication slave module is arranged in the signal-available area, and the external communication master module and the external communication slave module are connected through optical fibers to achieve data transmission.
In one embodiment, the external communication main module is connected with a photoelectric conversion module to convert the 485 signal into an optical signal, and then the optical signal is transmitted through an optical fiber; and the external communication slave module is connected with another photoelectric conversion module to convert the optical signal transmitted by the optical fiber into a 485 signal, and the external communication slave module transmits the data transmitted by the optical fiber to the acquisition master station.
In order to achieve the above object, the present invention further provides an online system of a power consumption information collecting device in a no-signal area, comprising: the power utilization information acquisition equipment is arranged in a signal-free area; the external communication main module is arranged on the power utilization information acquisition equipment; the external communication slave module is arranged in a signal area and used for carrying out data transmission with the acquisition master station; and the optical fiber is connected with the external communication master module and the external communication slave module and is used for data transmission.
Preferably, a first photoelectric conversion module is connected between the external communication main module and the optical fiber to convert the 485 signal into an optical signal.
In one embodiment, the external communication main module is connected with the first photoelectric conversion module through a network cable; the RXD A core wire of the network cable is connected with the RXD-port of the first photoelectric conversion module, the RXD B core wire is connected with the RXD + port of the first photoelectric conversion module, the T/R A core wire is connected with the T/R-port of the first photoelectric conversion module, and the T/R B core wire is connected with the T/R + port of the first photoelectric conversion module.
Preferably, a second photoelectric conversion module is connected between the optical fiber and the external communication slave module to convert the optical signal into a 485 signal.
In one embodiment, the external communication slave module is connected with the second photoelectric conversion module through a network cable; the RXD A core wire of the network cable is connected with the RXD + port of the second photoelectric conversion module, the RXD B core wire is connected with the RXD-port of the second photoelectric conversion module, the T/R A core wire is connected with the T/R + port of the second photoelectric conversion module, and the T/R B core wire is connected with the T/R-port of the second photoelectric conversion module.
The transmitting port of the first photoelectric conversion module is connected with the receiving port of the second photoelectric conversion module through an optical fiber, and the receiving port of the first photoelectric conversion module is connected with the transmitting port of the second photoelectric conversion module through an optical fiber.
The distance between the external communication master module and the external communication slave module is 0.3-20 km.
Compared with the prior art, the invention has the following effects:
1. the invention adopts the optical fiber to transmit the data of the power utilization information acquisition equipment in the no-signal area to the signal area so as to realize the online of the power utilization information acquisition equipment, and particularly adopts the optical fiber to connect the external communication master module in the no-signal area with the external communication slave module arranged in the signal area, so that the data transmission is stable, the delay is small, the ultra-long distance transmission can be realized, and the defects of signal attenuation delay and the like in the traditional medium-voltage carrier mode are overcome.
2. When the electricity information acquisition equipment outputs 485 signals, the 485 signals are converted into optical signals by the first photoelectric conversion module, and then the optical signals are transmitted through optical fibers; when the output of the electricity information acquisition equipment is directly an optical signal, the electricity information acquisition equipment can be directly connected with the optical fiber.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
Fig. 1 is a schematic structural diagram of an online system of a power consumption information acquisition device in a signal-free area in an embodiment of the present invention;
fig. 2 is a schematic connection diagram of an external communication master module and an external communication slave module according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. It should be noted that the "power consumption information acquisition device" in the description of the present invention includes a concentrator and a special transformer terminal.
In order to solve the defects of the existing medium-voltage carrier wave mode in solving the on-line problem of the power utilization information acquisition terminal in the no-signal area, the invention provides an on-line method of the power utilization information acquisition equipment in the no-signal area. Specifically, an external communication master module is connected to power consumption information acquisition equipment in a signal-free area, an external communication slave module is arranged in a signal-containing area, and the external communication master module and the external communication slave module are connected through optical fibers to achieve data transmission. The method can realize stable and long-distance signal transmission and overcome the defects of signal attenuation delay and the like in the traditional medium-voltage carrier mode.
The invention also provides an online system of the power utilization information acquisition equipment in the no-signal area, which is formed based on the online method and comprises the following steps as shown in fig. 1: the power consumption information acquisition equipment 1 is arranged in a no-signal area; the external communication main module 2 is arranged on the power utilization information acquisition equipment 1; the external communication slave module 3 is arranged in a signal area and used for carrying out data transmission with the acquisition master station; and the optical fiber 4 is connected with the external communication master module 2 and the external communication slave module 3 and is used for data transmission.
Specifically, the power consumption information acquisition device 1 in this embodiment is a concentrator, the model of the concentrator is a DJGZ23-SX129J concentrator, and the external communication main module 2 is connected with the power consumption information acquisition device 1 through double rows of pins.
The port output of the external communication main module 2 of this embodiment is 485 signals, in order to transmit data through the optical fiber 4, the output end of the external communication main module 2 is connected with a first
Specifically, as shown in fig. 2, the external communication main module 2 is connected to the external first
In this embodiment, the external communication slave module 3 is disposed 20.3-20 km away from the external communication master module, and may be disposed on a utility pole, for communicating with the collection master station, and may transmit data in the form of a SIM card. In order to convert the optical signal transmitted by the optical fiber 4, one end of the optical fiber 4, which is far away from the first
Specifically, as shown in fig. 2, a transmitting port of the first
The second
In this embodiment, the external communication slave module 3 is a ding-letter external 4G communication slave module (7 module) (EC20-CEFBK), and the external communication master module 2 is a ding-letter external 4G communication master module; the first
In another embodiment, if the electrical information collection device 1 directly outputs an optical signal, the optical-to-electrical conversion module is not needed for signal conversion.
It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.