CN202050158U

CN202050158U - Monitoring device for precise power distribution cabinet

Info

Publication number: CN202050158U
Application number: CN2011201284271U
Authority: CN
Inventors: 李伟; 王朝辉; 梁东; 石新义; 王宝军; 王永达
Original assignee: BEIJING ESD POWER COMMUNICATIONS Co Ltd
Current assignee: BEIJING ESD POWER COMMUNICATIONS Co Ltd
Priority date: 2011-04-27
Filing date: 2011-04-27
Publication date: 2011-11-23
Anticipated expiration: 2021-04-27

Abstract

The utility model provides a monitoring device for a precise power distribution cabinet. The monitoring device comprises a central processing module, a liquid crystal display module, an inlet line collecting module, a feeder line analog collecting module, a feeder line switching value connecting module and an internal power module. The central processing module is in a signal connection with the liquid crystal display module, the inlet line collecting module, the feeder line analog collecting module and the feeder line switching value connecting module respectively through serial ports and is connected with a background computer through a communication interface. The monitoring device for the precise power distribution cabinet has the advantages of high precision and modularization and is convenient to operate.

Description

Accurate power distribution cabinet monitoring device

Technical field

The utility model relates to power distribution cabinet intellectual monitoring field, is specifically related to a kind of accurate power distribution cabinet monitoring device that adopts modularized design.

Background technology

Building new generation of green data center, improve data center's utilization rate of electrical, strengthen the security management of dynamical system, for the equipment operation of data center provides a good physical basis, has been the common hot issue of paying close attention to of industry.Particularly power supply reliability is required high high-end uninterrupted power supply field, as IDC data machine rooms such as telecommunications, finance, government and IT and industrial enterprise etc., for the electric power system of visual plants such as network and server provides services such as data monitoring, Threshold Crossing Alert, metering, management.

" how to realize the intellectual management of data center's power and running environment system; the running status to the whole distribution system in data center is effectively managed; monitor the running status and the energy resource consumption parameter of various information technoloy equipments in real time; and in time the operating state of equipment is adjusted according to its data " be the latest requirement of new generation of green data center to the whole equipment room distribution system, it simultaneously also is a kind of foundation that data center realizes low energy consumption, realized whole energy consumption system is carried out targeted intelligent management, be subjected to industry and paid attention to widely.

At present on the machine room engineering construction market at home, most machine room engineering company still rests on to power distribution cabinet the intelligentized understanding of machine room distribution installs the intelligent power instrument additional, carry out the mode of backstage monitoring then by power monitoring software, this mode can only monitor some basic electrical quantitys of input power supply, can not effectively monitor and analysis management whole distribution system.In recent years, some external main flow calculator room equipment manufacturers are at the intelligentized demand of machine room distribution, have released one after another that some have the power distribution cabinet of intellectuality, precise treatment management function, have been subjected to the common concern and the welcome in market, single because of its complex structure, cost is higher.In addition, other accurate power distribution cabinet also has function singleness, and the monitoring result inaccuracy is used inflexible problem.

The utility model content

At above-mentioned defective, the purpose of this utility model provides a kind of accurate power distribution cabinet monitoring device, with technical sophistication, the function singleness of solution prior art, and monitors coarse technical problem.

For achieving the above object, the utility model has adopted following technical scheme:

A kind of accurate power distribution cabinet monitoring device, comprise: central processing module, LCD MODULE, inlet wire acquisition module, feeder line analogue collection module, feeder switch amount acquisition module and internal electric source module, described central processing module is connected, and is connected with background computer by communication interface with described LCD MODULE, inlet wire acquisition module, feeder line analogue collection module, feeder switch amount acquisition module signal by serial ports respectively.

According to the described monitoring device of the utility model preferred embodiment, described central processing module further comprises the clock unit that is used for sending the serial ports broadcasting command, be used for the relay storing the memory cell of each module Information Monitoring and be used for sound and light alarm.

According to the described monitoring device of the utility model preferred embodiment, described LCD MODULE is connected by serial ports with described central processing module, and this display module is a kind of touch LCD display screen.

According to the described monitoring device of the utility model preferred embodiment, described inlet wire acquisition module further comprises three-phase voltage collecting unit, three-phase and zero-sequence current collecting unit and switch acquisition unit.

According to the described monitoring device of the utility model preferred embodiment, described feeder line analogue collection module further comprises three-phase voltage collecting unit and feeder current collecting unit.

According to the described monitoring device of the utility model preferred embodiment, described feeder switch amount acquisition module further comprises a switch acquisition unit.

According to the described monitoring device of the utility model preferred embodiment, described internal electric source module further is included as first accessory power supply of described three acquisition modules power supply, for system's power supply of described central processing module power supply and be second auxiliary electric power supply of described LCD MODULE power supply.

Owing to adopted above technical characterictic, make the utility model than prior art, have following advantage and good effect:

First, the accurate power distribution cabinet monitoring device that the utility model provides have integrated level height, real-time very, for different distribution systems can flexible configuration advantage, than other like product to the distribution system monitoring running state more comprehensively, specialty and human nature, intellectuality.

The monitoring device that the 2nd, the utility model provides adopts main body and shows that dividing body structure, device to adopt divides body structure, the convenient installation and configuration; Each functional unit of agent structure has adopted the modularized design installation, greatly improves production efficient, reduces the system maintenance difficulty effectively, reduces preventive maintenance time and maintenance cost, the ability that also makes system possess quick replacing and expand fast simultaneously.

The 3rd, the utility model has adopted 7 cun large-screen touch-screen type Color Liquid Crystal Display, and displaying contents is comprehensively abundant; Touch screen operation is directly perceived, easy; Simultaneously, owing to there is not mechanical key, significantly improved the degree of protection of panel.

Certainly, implement any one specific embodiment of the utility model content, might not reach above whole technique effect simultaneously.

Description of drawings

Fig. 1 is module principle figure of the present utility model.

Embodiment

For ease of understanding,,, do being described in further detail to preferred embodiment of the present utility model below in conjunction with accompanying drawing.

As shown in Figure 1, the accurate power distribution cabinet monitoring device of the utility model mainly comprises main part and display part, and main part specifically comprises central processing module 10, inlet wire acquisition module 20, feeder line analogue collection module 30, feeder switch amount acquisition module 40.; The display part then comprises LCD MODULE 60 and is connected to the supply module 50 of those module for power supply with above-mentioned module, central processing module 10 is connected, and is connected with background computer by communication interface with described LCD MODULE 60, inlet wire acquisition module 20, feeder line analogue collection module 30, feeder switch amount acquisition module 40 signals by serial ports respectively.

Each module of main part all adopts modularized design, and various acquisition modules can be supported flexible configuration.Maximum can be supported 2 inlet wire acquisition modules, 6 feeder line analogue collection modules or 6 feeder line analogue collection modules, promptly maximum monitoring and the management of supporting 192 road feeder assembly electric currents or 192 way switch amounts.

Central processing module 10 further comprises the clock unit 11 that is used for sending the serial ports broadcasting command, be used for the relay 13 storing the memory cell 12 of each module Information Monitoring and be used for sound and light alarm, central processing module 10 at first can carry out interactive information by serial ports 17 and various acquisition modules, obtain the various parameter information of whole system operation, thereby know the current operation conditions of system; Communication can be carried out by serial ports 16 and touch-screen color liquid crystal module 60 in this locality, realizes showing in real time; Long-range can managing with computer background by RS485 bus 15 and local RS232 service port 14; When system's operation exception, can notify the Field Force to handle by relay 13 realization sound and light alarms.

This module can be with the operational factor of whole system, and the energy information that collects and warning information store in the memory cell 12, realizes that power down preserves; Clock unit 11 can allow collecting unit that unified markers is arranged by the serial ports broadcasting command.

Inlet wire acquisition module 20 at first carries out the inlet wire analog acquisition to three-phase voltage collecting unit 23, three-phase and zero-sequence current collecting unit 21, through computing can obtain three-phase voltage, three-phase current, zero-sequence current, system frequency, each reaches total active power, reactive power, apparent power, power factor mutually, each reaches total active energy, reactive energy, harmonic wave occupation rate, percentage load, Voltage unbalance degree, current imbalance degree mutually; Secondly switch amount collecting unit 22 detects 4 switching value states of inlet wire; Afterwards, can also judge that system exception ruuning situation produces various warning information, send all information to central processing module 10 at last and handle.

Feeder line analogue collection module 30 at first carries out the feeder line analog acquisition to 30 three-phase voltage collecting units 32, feeder current collecting unit 31, obtains rated current, actual current, feeder line percentage load, feeder line power, the electric weight of feeder line through computing.Secondly, this module can judge that system exception ruuning situation produces various warning information; Sending all information to central processing module 10 at last handles.

Feeder switch amount acquisition module 40 at first switch amount collecting unit 41 carries out the collection of feeder switch amount, thereby knows system operation situation, can produce various warning information when system exception moves; Sending all information to central processing module 10 at last handles.

Power module 50 is converted to the needed DC power supply of device with AC power.Wherein, system's power supply 51 is the 5V system, can provide power supply for central processing module 10, inlet wire acquisition module 20 and feeder line analogue collection module 30; First auxiliary electric power supply 53 is the 24V system, can provide power supply for 4 feeder switch amount acquisition modules 40; Second auxiliary electric power supply 52 is the 12V system, can provide power supply for touch-screen color liquid crystal module (touch display screen).

Touch-screen color liquid crystal module 60 adopts 7 cun large-screen touch-screen type Color Liquid Crystal Display, monitors abundant in content comprehensive; Touch screen operation is directly perceived, easy, and What You See Is What You Get is fit to people's operation of various know-hows; Owing to do not have mechanical key, increased substantially the degree of protection of panel.

More than disclosed only be preferred embodiment of the present utility model; but be not to be used for limiting itself, anyly have the knack of those skilled in the art, under the situation of the utility model spiritual connotation; the equalization of being done changes and changes, and all should drop in the protection range of the present utility model.

Claims

1. accurate power distribution cabinet monitoring device, it is characterized in that, comprise: central processing module, LCD MODULE, inlet wire acquisition module, feeder line analogue collection module, feeder switch amount acquisition module and internal electric source module, described central processing module is connected, and is connected with background computer by communication interface with described LCD MODULE, inlet wire acquisition module, feeder line analogue collection module, feeder switch amount acquisition module signal by serial ports respectively.

2. monitoring device as claimed in claim 1 is characterized in that, described central processing module further comprises the clock unit that is used for sending the serial ports broadcasting command, be used for the relay storing the memory cell of each module Information Monitoring and be used for sound and light alarm.

3. monitoring device as claimed in claim 1 is characterized in that, described LCD MODULE is connected by serial ports with described central processing module, and this display module is a kind of touch LCD display screen.

4. monitoring device as claimed in claim 1 is characterized in that, described inlet wire acquisition module further comprises three-phase voltage collecting unit, three-phase and zero-sequence current collecting unit and switch acquisition unit.

5. monitoring device as claimed in claim 1 is characterized in that, described feeder line analogue collection module further comprises three-phase voltage collecting unit and feeder current collecting unit.

6. monitoring device as claimed in claim 1 is characterized in that, described feeder switch amount acquisition module further comprises a switch acquisition unit.

7. monitoring device as claimed in claim 1, it is characterized in that described internal electric source module further is included as first accessory power supply of described three acquisition modules power supply, for system's power supply of described central processing module power supply and be second auxiliary electric power supply of described LCD MODULE power supply.