CN202433483U

CN202433483U - Remote monitoring device for partial discharge of distribution transformer based on GSM (global system for mobile communications)

Info

Publication number: CN202433483U
Application number: CN2011205218673U
Authority: CN
Inventors: 李建; 李金富; 崔学敏; 金兴
Original assignee: TIANJIN DONGDIAN ELECTRIC CO Ltd
Current assignee: TIANJIN DONGDIAN ELECTRIC CO Ltd
Priority date: 2011-12-14
Filing date: 2011-12-14
Publication date: 2012-09-12
Anticipated expiration: 2021-12-14

Abstract

The utility model provides a remote monitoring device for partial discharge of a distribution transformer based on a GSM (global system for mobile communications) in order to solve the problems that signal transmission of an existing partial discharge monitoring device is more limited, the existing partial discharge monitoring device is easily interfered, signals cannot be accurately acquired, transformer insulation is prevented from being damaged due to the fact that partial discharge exceeds standards, and serious accidents are avoided. The remote monitoring device comprises a partial discharge signal acquiring and conditioning module (1), a partial discharge data acquiring and conditioning module (2), a GSM module (3), a GSM signal display module (4) and an external controller (5). The monitoring device not only can effectively solve the problem of remote monitoring, but also can realize real-time monitoring to timely solve problems, avoids damage of transformer insulation and the serious accidents, and is quite suitable for monitoring the distribution transformer.

Description

A kind of distribution transformer general ability based on gsm communication is put remote monitoring device

Technical field

The utility model relates to a kind of remote monitoring device, and particularly a kind of distribution transformer general ability based on gsm communication is put remote monitoring device.

Background technology

Shelf depreciation can make the electricity saving performance deterioration, defective of insulation enlarge, and causes whole insulation breakdown at last, and the operation of substation transformer is caused serious harm.And existing office puts the monitoring device signal and transmits restricted morely, and is interfered easily, can't the exact acquisition signal and prevention office put exceed standard destroy transformer insulated.And through the non-intrusion type sound detection transformer running status is monitored, and put test signal through the gsm communication module office of uploading, can be when abnormal operating condition appears in transformer the very first time take corrective action the generation that avoids a nasty accident.

Summary of the invention

The utility model technical matters to be solved is: existing office puts the monitoring device signal and transmits restricted morely, and is interfered easily, can't the exact acquisition signal and prevention office put to exceed standard and destroy transformer insulated even the problem of major accident takes place.

The scheme that its technical matters of the utility model solution is taked provides a kind of distribution transformer general ability based on gsm communication and puts remote monitoring device; A kind of distribution transformer general ability based on gsm communication is put remote monitoring device, comprises that innings discharge signal collection and conditioning module 1, office put data acquisition and conditioning module 2, gsm communication module 3, GSM signal display module 4 and external controller 5; The discharge signal collection of said office puts data acquisition with conditioning module 1 with office and conditioning module 2 is connected, and is used for the collection of voice signal, the voice signal of collection is detected and carries out acoustic-electric conversion, and data acquisition and conditioning module 2 is put in input office; Data acquisition is put and conditioning module 2 is connected with gsm communication module 3 in office, is used for the electric signal of importing from office's discharge signal collection and conditioning module 1 is put data acquisition and conditioning module 2 is carried out digital-to-analog conversion in office, and imports gsm communication module 3; Gsm communication module 3 is connected with GSM signal display module 4, is used for being forwarded to GSM signal display module 4 with put data that data acquisition and conditioning module 2 the receive content as short message from office through short message service center; GSM signal display module 4 is connected with external controller 5, and GSM signal display module 4 is stored in message on the SIM after receiving this message as the take over party; External controller 5 reads short message from display module 4 after, as required garbage is removed, taking-up office is relevant information high-volume, then with having read the message deletion in the SIM.

A kind of distribution transformer general ability based on gsm communication of the utility model is put remote monitoring device and can be solved the problem of remote monitoring effectively; Owing to adopt wireless communication mode; Security in the data transmission procedure has obtained large increase; And make the connection between detection, the watch-dog free more, make the transformer partial discharge monitoring effect obtain reinforcement.And can realize real-time monitoring, go wrong and in time handle, avoid the problem that damages and serious accident takes place transformer insulated.

Description of drawings

Below in conjunction with accompanying drawing the embodiment of the utility model is done further explain.

Fig. 1 is the utility model gsm communication monitoring device one-piece construction synoptic diagram;

Fig. 2 is the principle of work synoptic diagram of office's discharge signal collection and conditioning module;

Fig. 3 is put the structural representation of the signal converter of data acquisition and conditioning module for office.

Accompanying drawing number is: 1. innings discharge signal collection and conditioning module, 2. innings put data acquisition and conditioning module, 3.GSM communication module, 4.GSM signal display module, 5. external controller.

Embodiment

Provide a kind of distribution transformer general ability and put remote monitoring device but solve scheme that its technical matters takes, comprise innings discharge signal collection and conditioning module 1, innings put data acquisition and conditioning module 2, gsm communication module 3, GSM signal display module 4 and external controller 5 based on gsm communication by Fig. 1 knowledge capital utility model; The discharge signal collection of said office puts data acquisition with conditioning module 1 with office and conditioning module 2 is connected, and is used for the collection of voice signal, the voice signal of collection is detected and carries out acoustic-electric conversion, and data acquisition and conditioning module 2 is put in input office; Data acquisition is put and conditioning module 2 is connected with gsm communication module 3 in office, is used for the electric signal of importing from office's discharge signal collection and conditioning module 1 is put data acquisition and conditioning module 2 is carried out digital-to-analog conversion in office, and imports gsm communication module 3; Gsm communication module 3 is connected with GSM signal display module 4, is used for being forwarded to GSM signal display module 4 with put data that data acquisition and conditioning module 2 the receive content as short message from office through short message service center; GSM signal display module 4 is connected with external controller 5, and GSM signal display module 4 is stored in message on the SIM after receiving this message as the take over party; External controller 5 reads short message from display module 4 after, as required garbage is removed, taking-up office is relevant information high-volume, then with having read the message deletion in the SIM.

As shown in Figure 2, during use, office's discharge signal collection and conditioning module 1 are the resonant mode transmitter of material through piezoelectric ceramics; Utilize the malleation effect of piezoelectric ceramics, under the mechanical pressure ripple effect that shelf depreciation produces, make it to take place deformation to produce alternating electric field; Thereby convert acoustical signal into electric signal; For the decay and of the interference of other signals of avoiding signal, adopt prime amplifier signal to be amplified and elementary band-pass filter, and data acquisition and conditioning module 2 are put in input office to sampling;

Data acquisition is put in office and 2 pairs of acquired signal of conditioning module are carried out further digital-to-analog conversion processing, and with result data input gsm communication module 3;

Gsm communication module 3 comprises GSM dedicated modem and signal converter, and said signal converter comprises micro-control unit and peripheral display unit, communications interface unit, data acquisition unit, data storage element, clock unit, power conversion unit, switching value input block, temperature detecting module and the switching value output unit of control.

As shown in Figure 3; The signal converter of gsm communication module 3 sends to the GSM dedicated modem after the signal that the conversion of signals after data acquisition and conditioning module 2 digital-to-analog conversions becomes the GSM dedicated modem to discern and to send is put in office; The GSM dedicated modem is transmitted the content of the data of receiving as short message through short message service center, after take over party's GSM signal display module 4 is received this message; Message is stored on the SIM external controller 5 of display module 4;

Described external controller 5 is industrial single-chip microcomputer or computing machine.External controller reads short message from the GSM signal display module after; As required garbage is removed, taking-up office is relevant information high-volume, then with having read the message deletion in the SIM; So just accomplish the transmission of one-way data, well the prevention data problem of losing.

When the data that read on the external controller are not in normal range value, explain that the office of transformer puts and exceeds standard, the staff should check, can shut down maintenance in case of necessity, avoids damaging and serious accident taking place transformer insulated.

Because substation transformer is a lot of and relatively dispersion, can adopt the message queue principle in the gsm communication system, these short messages of the processing that processor can be orderly when monitor signal is more make the communication security of this communicator obtain bigger raising.

Claims

1. the distribution transformer general ability based on gsm communication is put remote monitoring device, it is characterized in that: comprise that innings discharge signal collection and conditioning module (1), office put data acquisition and conditioning module (2), gsm communication module (3), GSM signal display module (4) and external controller (5); The discharge signal collection of said office puts data acquisition with conditioning module (1) with office and conditioning module (2) is connected; Be used for the collection of voice signal; The voice signal of gathering is detected and carries out the acoustic-electric conversion, and data acquisition and conditioning module (2) are put in input office; Data acquisition is put in office and conditioning module (2) is connected with gsm communication module (3); Be used for gathering with the electric signal of conditioning module (1) input and put data acquisition and conditioning module (2) is carried out digital-to-analog conversion in office from the office discharge signal, and input gsm communication module (3); Gsm communication module (3) is connected with GSM signal display module (4), is used for being forwarded to GSM signal display module (4) with put data that data acquisition and conditioning module (2) the receive content as short message from office through short message service center; GSM signal display module (4) is connected with external controller (5), and GSM signal display module (4) is stored in message on the SIM after receiving this message as the take over party; External controller (5) reads short message from display module (4) after, as required garbage is removed, taking-up office is relevant information high-volume, then with having read the message deletion in the SIM.

2. monitoring device according to claim 1; It is characterized in that: gsm communication module (3) comprises GSM dedicated modem and signal converter, and said signal converter comprises micro-control unit and peripheral display unit, communications interface unit, data acquisition unit, data storage element, clock unit, power conversion unit, switching value input block, temperature detecting module and the switching value output unit of control.

3. monitoring device according to claim 1 and 2 is characterized in that: said external controller (5) is industrial single-chip microcomputer or computing machine.