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Spot monitoring type low-voltage power parameter monitoring system

A low-voltage power, on-site monitoring technology, applied in electrical components, supervision desks/panels, etc., can solve the problems of high system cost and complex management, and achieve the effect of flexible management and control, cost saving, and easy timely control.

Inactive Publication Date: 2015-06-24
CHENGDU ZHENZHONG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The low-voltage and low-voltage power parameter monitoring system in the prior art generally uses PLC modules to monitor different low-voltage power parameters such as switching values, analog values, and three-phase all-electric parameters on the low-voltage side and the user side, but uses different parameters for different electrical parameters. The PLC acquisition module or PLC control module monitors and each module is equipped with a separate microprocessor and communicates with the background monitoring device separately. Since the cost of the microprocessor is much higher than that of the PLC acquisition module or PLC control module, the system cost is high and the management complex

Method used

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  • Spot monitoring type low-voltage power parameter monitoring system
  • Spot monitoring type low-voltage power parameter monitoring system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as figure 1 As shown, the on-site monitoring type low-voltage power parameter monitoring system includes a switch cabinet 9, a monitoring center server 6, an on-site industrial computer 7, and a display screen 8. The switch cabinet 9 is equipped with a data acquisition control module and the switch of the acquisition system The monitoring center server 6 is deployed in the remote monitoring center, and the on-site industrial computer 7 is arranged on the site. The monitoring center server 6 and the on-site industrial computer 7 are both connected to the switch The cabinet 9 is connected to receive system parameters collected by the switch cabinet 9 or send control instructions to the switch cabinet 9, and the display screen 8 is connected to the on-site industrial computer 7 to display the real-time system data received by the on-site industrial computer 7.

[0023] Such as figure 2 As shown, the data acquisition control module includes a coupler 1 and a PLC module gr...

Embodiment 2

[0031] On the basis of embodiment 1, in order to make the insertion of two adjacent modules in the PLC module group 2 more convenient, the structure of the card board 4 and the card slot 3 is further improved in this embodiment:

[0032] Such as image 3 As shown, the housing includes a top panel, a front panel, a rear panel, and two side panels. The left and right sides of the front panel extend outward to form an extension board. The end of the extension board is connected with a flat plate 31, and the extension board is perpendicular to The flat plate 31 is connected to the center line of the flat plate 31. The end of the flat plate 31 away from the rear panel is also connected to a straight plate 32. The straight plate 32 is arranged parallel to the front panel. The straight plate 32, the extension plate and the straight plate 32 and the extension plate The plate 31 in between constitutes the card slot 3, and the plate 31 located between the straight plate 32 and the extension...

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Abstract

A spot monitoring type low-voltage power parameter monitoring system comprises a monitoring center server, a switch cabinet, a spot industrial personal computer and a display screen connected with the spot industrial personal computer. A data acquisition control module is installed in the switch cabinet and comprises a coupler and a PLC module group. The PLC module group comprises at least one of an on-off input module, an on-off output module, an analog input module, an analog output module and a three-phase electrical parameter measurement module. The coupler and all the modules in the PLC module group are clamped together through clamping boards and clamping grooves. The coupler is connected with the spot industrial personal computer and the monitoring center server. Real-time parameters of a system can be monitored on a spot, the PLC module group is connected in an inserted mode and used in cooperation with the coupler, different PLC acquisition modules and PLC control modules can be selected according to the requirements of a user so as to control different systems, management and control are flexible and convenient, and cost is saved to a great extent.

Description

Technical field [0001] The present invention relates to the field of power distribution technology, and in particular to an on-site monitoring type low-voltage power parameter monitoring system. Background technique [0002] As the terminal link of the power system, low-voltage power distribution equipment has its function and performance directly affect the quality of power. The traditional low-voltage power distribution equipment is mainly composed of circuit breakers, disconnectors, transformers, primary circuits, secondary circuits, etc. Assembled. With the construction of smart grids, system monitoring is required to provide convenient, intuitive and more accurate real-time information about power quality, and realize monitoring, protection, and control communications for power distribution and monitoring equipment and smart components. [0003] At present, many important places use low-voltage power distribution monitoring systems, such as hospital intensive care units, sewa...

Claims

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Application Information

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IPC IPC(8): H02B15/00
Inventor 王刚陈怀之谢华聂海涛
Owner CHENGDU ZHENZHONG ELECTRIC
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