Control function expansion device of power load management terminal
A technology for managing terminals and electric loads, which is applied in the field of power load management terminal control function expansion devices, can solve problems such as the failure to meet the requirements of electric switch access terminals, and achieve the effects of strong practical value, simple structure, and convenient operation
Active Publication Date: 2016-10-26
STATE GRID CORP OF CHINA +1
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Problems solved by technology
To achieve the goal of "full cost control" is to connect all the electrical switches of electricity customers to the control loop of the power load management terminal. Currently, one terminal can only be connected to 4 electrical switches. For users with more than 4 switches Electric customers cannot meet the requirements of all electrical switches connected to the terminal, so it is necessary to develop a device to expand the control function of the terminal
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[0019] The present invention is described in further detail below in conjunction with accompanying drawing:
[0020] refer to figure 1 , figure 2 and image 3 , the power load management terminal control function expansion device of the present invention includes a housing, and a power supply module 4 arranged in the housing, a remote control terminal block 5, a remote signaling terminal block 6, and a plurality of intermediate relays 3; each intermediate relay 3 The normally open contact and the normally closed contact of the remote control terminal block 5 are respectively connected to the normally open node and the normally closed node; the remote signal terminal block 6, each intermediate relay 3 control end and common end, and the Both the L terminal and the N terminal are connected to the power load management terminal; the input node of the remote control terminal block 5, the input node of the remote signal terminal block 6, and the normally open contacts and normal...
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The invention discloses a control function expansion device of a power load management terminal. The control function expansion device comprises a shell, a power module, a remote control wiring terminal strip, a telecommand wiring terminal strip and a plurality of intermediate relays, wherein the power module, the remote control wiring terminal strip, the telecommand wiring terminal strip and the plurality of intermediate relays are arranged in the shell; the normally open contact and the normally-closed contact of each intermediate relay are independently connected with the normally open contact and the normally-closed contact of the remote control wiring terminal strip; the telecommand wiring terminal strip, the control terminal and the common terminal of each intermediate relay and the L terminal and the N terminal of the power module are all connected with the power load management terminal; the input node of the remote control wiring terminal strip, the input node of the telecommand wiring terminal strip and the normally open contact and the normally-closed contact of each intermediate relay are all connected with a power utilization client switch cabinet. The device can realize the expansion of the control function of the power load management terminal.
Description
technical field [0001] The invention belongs to the field of electric power consumption information collection, and in particular relates to an electric power load management terminal control function expansion device. Background technique [0002] The 2009 "Opinions on Accelerating the Construction of Electricity Consumption Information Collection System" of the State Grid Corporation of China proposed to build a system that covers all users of the company's system, collects all electricity consumption information, and supports comprehensive electricity charge control, that is, the collection of "full coverage, full collection, and full cost control". system. To achieve the goal of "full cost control" is to connect all the electrical switches of electricity customers to the control loop of the power load management terminal. Currently, one terminal can only be connected to 4 electrical switches. For users with more than 4 switches Electric customers cannot meet the require...
Claims
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Login to View More IPC IPC(8): G08C19/00
CPCG08C19/00
Inventor 杨瑞何伟哲郭建倪娜淡卫华李福安王娟
Owner STATE GRID CORP OF CHINA