CN201126963Y

CN201126963Y - Communication lightning protection box

Info

Publication number: CN201126963Y
Application number: CNU2007201990593U
Authority: CN
Inventors: 王喜贵; 刘金霞; 吴海良
Original assignee: SHANGHAI ZHENHE LIGHTNINGPROOF ELECTRIC TECHNOLOGY Co Ltd
Current assignee: SHANGHAI ZHENHE LIGHTNINGPROOF ELECTRIC TECHNOLOGY Co Ltd
Priority date: 2007-12-11
Filing date: 2007-12-11
Publication date: 2008-10-01
Anticipated expiration: 2017-12-11

Abstract

The utility model relates to a communicative lightning proof box. The lightning proof box is attracted with a communicative lightning proof counter. The box comprises detecting/communicative unit, display/storing unit and 485 communication port, and current mutual inductor and double output transformer which are sleeved on the grounding wire; the signal transmission is: detecting/communicative unit analyzes and judges the VA, VB, VC, VN voltage, detecting whether the short circuit has the malfunctions; the transmitting the signal to the display/storing unit communicating with the upper machine via the 485 port; analyzing and judging the MA, MB, MC, MN signal, detecting whether the lightening over voltage protecting module is deteriorated, transmitting the signal to the display/storing unit communicating with the upper machine via the 485 port; detecting the over current generated by the over voltage via the mutual inductor which is lightened, reaching the threshold value counting and recording the lightening moments; transmitting the signals and actions to the display/storing unit communicating with the upper machine via the 485 port and reporting the lightening moment.

Description

A kind of lightning protection box of communicating by letter

Technical field

The utility model relates to a kind of lightning protection box of communicating by letter, and is used for the lightning protection of unattended equipment room, belongs to electromechanical equipment resist technology field.

Background technology

Along with the development of wireless communication technique, mobile communication has begun to the 3G technology transition, and is following, and more unattended operation mobile communication base station need be set, and the shocking preventing technology of unattended operation mobile communication base station also needs to improve thereupon.The harbour remote control equipment, microwave relay station, the demands such as anti-surge of tele-control system also begin to increase under the coal mine.

At present, existing lightning protection box only possesses conventional Lightning Over-voltage and suppresses protection, does not have the intelligent protection component diagnostics, and field failure is reported to the police and the function by modbus communication interface remote alarms.

Summary of the invention

The purpose of this utility model is to provide a kind of lightning protection box of communicating by letter; this lightning protection box not only possesses common Lightning Over-voltage or switching overvoltage protection; also possess the record thunderbolt moment and counting thunder function; operating state shows, faulty indication such as over-voltage protection module Failure Alarm, short circuit backup protection monitoring.

For achieving the above object, the technical solution of the utility model is: add intellectuality lightning protection counter of can communicating by letter in common lightning protection box.This counter comprises monitoring/communication unit, demonstration/memory cell and has three critical pieces of 485 communication port of Lightning Over-voltage defencive function, and is enclosed within current transformer and the transformer for the dual output of counter and communication interface power supply on the earth connection.

The beneficial effects of the utility model: but the operating state of real-time remote monitoring lightning protection box, in time treatment facility fault; The record Lightning Over-voltage takes place constantly and the launch site, for system thunder defending provides statistics, certain economic benefits is arranged.

Description of drawings

Fig. 1 is the lightning protection box principle of compositionality block diagram of communicating by letter of the present utility model.

Embodiment

With reference to Fig. 1, this is the lightning protection box principle of compositionality block diagram of communicating by letter of the present utility model.

As shown in the figure, the lightning protection box of can communicating by letter comprises short circuit protection component, Lightning Over-voltage protection module and the intellectuality lightning stroke counter of can communicating by letter.

The described lightning protection box of communicating by letter comprises monitoring/communication unit (1), demonstration/memory cell (2), 485 ports (3), instrument transformer (4) and transformer (5).

Its signal transmission work is: monitoring/communication unit (1) is by to VA, VB, the VC analysis and judgement to VN voltage, monitor each phase short circuit protection component whether fault is arranged, there is fault then to transmit signal to demonstration/memory cell (2), be presented on the LCDs and be saved among the EEPROM, communicate by letter the report fault state with host computer by 485 ports (3); By analysis and judgement to MA, MB, MC, MN signal, monitor whether deterioration of each Lightning Over-voltage protection module, there is the module deterioration then to transmit signal to demonstration/memory cell (2), be presented on the LCDs and be saved among the EEPROM, communicate by letter the reporting modules degradation with host computer by 485 ports (3); Overcurrent by the generation of instrument transformer (4) input Lightning Over-voltage, reach threshold count and record thunderbolt constantly, be carved into demonstration/memory cell (2) when having counting then to transmit signal and action, be presented on the LCDs and be saved among the EEPROM, communicate by letter with host computer by 485 ports (3), the report thunderbolt constantly.Transformer (5) has the two-way output of mutual isolation, and one the tunnel gives detection/communication unit (1) and shows memory cell (2) power supply, and 485 ports (3) power supply is given on another road.

Though the utility model is described with reference to the above embodiments; but those of ordinary skill in the art; will be appreciated that above embodiment is used for illustrating the utility model; should understand and wherein can make variations and modifications and do not break away from the present invention in a broad sense; so be not that conduct is to qualification of the present utility model; as long as in connotation scope of the present utility model, to the variation of above-described embodiment, the protection range that distortion all will fall into the utility model claim.

Claims

1, a kind of lightning protection box of communicating by letter, comprise casing and lightning protection device, the lightning protection that is used for unattended equipment room, it is characterized in that: described lightning protection box, be in common lightning protection box, to add the lightning protection counter of to communicate by letter, this lightning protection counter comprises detection/communication unit, demonstration/memory cell and 485 communication port, and is enclosed within current transformer and the transformer for the dual output of counter and communication interface power supply on the earth connection;

Its signal transmission is: monitoring/communication unit (1) is by to VA, VB, the VC analysis and judgement to VN voltage, monitor each phase short circuit protection component whether fault is arranged, there is fault then to transmit signal to demonstration/memory cell (2), be presented on the LCDs and be saved among the EEPROM, communicate by letter with host computer by 485 ports (3); By analysis and judgement to MA, MB, MC, MN signal, monitor whether deterioration of each Lightning Over-voltage protection module, there is the module deterioration then to transmit signal to demonstration/memory cell (2), is presented on the LCDs and is saved among the EEPROM, communicate by letter with host computer by 485 ports (3); Overcurrent by the generation of instrument transformer (4) input Lightning Over-voltage, reach threshold count and record thunderbolt constantly, be carved into demonstration/memory cell (2) when having counting then to transmit signal and action, be presented on the LCDs and be saved among the EEPROM, communicate by letter with host computer by 485 ports (3), the report thunderbolt constantly.

2, the lightning protection box of communicating by letter as claimed in claim 1 is characterized in that: described dual output transformer, the two-way output of mutual isolation is arranged, and one the tunnel gives detection/communication unit (1) and shows memory cell (2) power supply, and 485 ports (3) power supply is given on another road.