CN201289966Y - Synthesis monitoring terminal of maintenance facility for transforming plant - Google Patents
Synthesis monitoring terminal of maintenance facility for transforming plant Download PDFInfo
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- CN201289966Y CN201289966Y CNU200820177390XU CN200820177390U CN201289966Y CN 201289966 Y CN201289966 Y CN 201289966Y CN U200820177390X U CNU200820177390X U CN U200820177390XU CN 200820177390 U CN200820177390 U CN 200820177390U CN 201289966 Y CN201289966 Y CN 201289966Y
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- temperature sensor
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Abstract
The utility model relates to the integrated automation control equipment of a substation, in particular to an integrated monitoring terminal of auxiliary equipment for substation. The integrated monitoring terminal is characterized in that the integrated monitoring terminal comprises a microprocessor, the I/O port of the microprocessor is electrically connected a temperature sensor mounted on an oil tank of a main transformer through an analog-digital conversion circuit and an isolating circuit, the I/O port of the microprocessor is electrically connected with a temperature sensor mounted inside a main control room through the analog-digital conversion circuit and the isolating circuit, and the I/O port of the microprocessor is electrically connected with an outdoor emergency light, a five-prevention unlocking key box and an air conditioner through the isolating circuit respectively, so as to gain the working states thereof. The utility model provides a set of intellectualized modern industry-control and micro-electronics hardware circuits which have perfect structure function and constitute of standardized and modularized microprocessor and the like, and constructs a message channel with redundancy which meets the secondary safety protection conditions of the power system and has a double-port full-duplex communication capacity with the integrated automation master station.
Description
Technical field
The utility model relates to integrated automation of transformation stations control appliance, especially transformer station station auxiliary equipment comprehensively monitoring terminal.
Background technology
Transformer station is an important composition link in the electrical network, as the physical connection point of grid power transmission circuit, and the core part of its safety and economy operation having become power system security management and control.And along with transformer station's main equipment is combined from the improving constantly of level, unattended operation degree, its hierarchy of skill to auxiliary equipment promote require more and more strong.
So, integrated modern microelectronics is handled, transformer station's main equipment automation level of science and technology such as control and telemechanical is more and more higher automatically, thereby once auxiliary equipment that can be compatible, supporting with it is obviously backward owing to can not get paying attention to accordingly on the hierarchy of skill, does not have distant place automation data interface, still adopts the short slabs such as electromagnetic relay loop control logic of routine in last century more and more seriously restricting the performance of the comprehensive every usefulness of autonomous device of transformer station, the execution of every advanced production management system.
How understanding transformer substation assisted devices safe operation state in real time, it is absolutely brought into play be the main equipment service utility, is staff of transformer station and remote dispatching, institute of production management department questions of common interest.
The utility model content
The purpose of this utility model provides a kind of transformer station station auxiliary equipment comprehensively monitoring terminal, can improve the adaptability of station with auxiliary equipment and modern electric production management system, improve transformer substation assisted devices and the control of comprehensive automation collection, the scheduling station data exchange capability is adapted to the main transformer high wind cooling system that develops towards unattended integral automating power substation digitlization direction, the switchgear house room temperature is regulated, heat spot monitoring in the airtight high-tension switch cabinet cabinet, transformer station's emergency lighting, the optimization of accessory control systems such as grid switching operation five unlocking prevention key lockers, integrate.
A kind of transformer station station auxiliary equipment comprehensively monitoring terminal, its special feature is, comprise microprocessor, the I/O port of this microprocessor is electrically connected with temperature sensor on being installed in the main transformer fuel tank by analog to digital conversion circuit and buffer circuit, the I/O port of this microprocessor is electrically connected by analog to digital conversion circuit and the buffer circuit temperature sensor indoor with being installed in master-control room, thereby the I/O port of this microprocessor also is electrically connected with outdoor emergency illuminating lamp, five unlocking prevention key lockers and air-conditioning by buffer circuit respectively and obtains its operating state; The I/O port of this microprocessor also is electrically connected with 6 road output relays respectively, and this No. 6 relay has at least pair of contact to be connected on respectively in the control circuit of main transformer blower fan, 10KV axial flow blower, 35KV axial flow blower, outdoor emergency illuminating lamp, five unlocking prevention key lockers and standby air-conditioning separately.
Wherein thereby microprocessor also is connected with remote server with optical fiber by communication equipment and communicates by letter.
Wherein buffer circuit is a photoisolator.
Wherein temperature sensor is Pt100 or Cu50 thermal resistance.
The utility model provides the employing of a nested structure perfect in shape and function by standardization, modular microprocessor, the on-the-spot interface of various I/O, data-interface, the A/D conversion, the intelligent modern industry control microelectronics hardware circuit that optical isolator spare constitutes, to replace conventional electromechanical relay and control loop, replace the relay logic control loop with software forms such as programmables, adopt electric power system standard communication stipulations simultaneously, construct and have certain redundancy, satisfy electric power system secondary security protection condition, have and comprehensive automation scheduling station twoport full-duplex communication ability information passage.
Description of drawings
Accompanying drawing 1 is a workflow diagram of the present utility model;
Accompanying drawing 2 is a hardware system frame diagram of the present utility model.
Embodiment
Come the utility model is described in further detail below in conjunction with accompanying drawing, will combine control hardcore circuit and be divided into 4 parts: microprocessor (CPU) part, switching value input, analog quantity importation, display part.
1, microprocessor portion
Main modular has: the minimum system of CPU, storage and real-time clock module, communication module.
The major function of the minimum system of CPU: the process control of Coordination Treatment whole system, with the external world carry out information exchange.
The major function of storage and real-time clock module is: the data that saved system can not be lost, and time data for example, blower fan cut-offs, air-conditioning start and stop, key case open record and some are provided with data or the like.
The main effect of communication module: by serial communication the measured parameter of instrument is passed to host computer, to realize the function of long-range strange land control.
2, display part
It is the parameter that measures to be carried out data show that the display part mainly acts on; Utilize two charactrons (LED, 2 4), realize the taking turn of 10KV, 35KV switchgear house, master-control room, main transformer temperature acquisition data is shown.
3, switching value input
The major function of switching value input is that each switching value signal that will collect is transferred to and carries out logical operation in the cpu system, goes the action of control relay to reach the purpose of control external equipment by cpu system through the switching value output again.
In Fig. 1, the switching value input signal that native system relates to has: the state of main transformer blower fan, switchgear house axial flow blower, outdoor emergency lamp, five unlocking prevention key lockers.Wherein switching signals such as main transformer blower fan, 10KV switchgear house axial flow blower, 35KV switchgear house axial flow blower, outdoor emergency lamp, five unlocking prevention key lockers need 15 universaling I/O ports altogether.Present embodiment has designed the input of 18 way switch amounts, and wherein 3 the road in support, exports above these equipment of controlling with 8 way switch amounts accordingly.
4, analog quantity importation
The major function of analog quantity input is that each analog signals that will collect is transferred in the cpu system.The analog signals that native system will be gathered has main transformer body upper strata insulating oil oil temperature, the temperature of 10KV switchgear house, the temperature of 35KV switchgear house and master-control room indoor temperature.Adopt the main transformer of high wind cooling mainly to adopt industrial platinum resistance thermometer (Pt100) or Cu50 thermal resistance at air-cooled control temperature measurement fraction, adopt low resistance and same cross section, same material, with three leads of length, be delivered to the temperature analog to digital conversion circuit, convert the current signal of 4-20mA to by isolator, send the analog acquisition circuit to, realize measurement temperature.10KV, 35KV switchgear house, master-control room indoor temperature all adopt thermal resistance Cu50, and technical method is the same.
5, software logic part
The data computation that software is mainly realized obtaining, inner parameter calculate, communication data is by functions such as the transmitting-receiving of certain communications protocol, motor unit start and stop logic controls.Relative program software belongs to state of the art, repeats no more herein.
Claims (4)
1, a kind of transformer station stands with auxiliary equipment comprehensively monitoring terminal, it is characterized in that:
Comprise microprocessor, the I/O port of this microprocessor is electrically connected with temperature sensor on being installed in the main transformer fuel tank by analog to digital conversion circuit and buffer circuit, the I/O port of this microprocessor is electrically connected by analog to digital conversion circuit and the buffer circuit temperature sensor indoor with being installed in master-control room, thereby the I/O port of this microprocessor also is electrically connected with outdoor emergency illuminating lamp, five unlocking prevention key lockers and air-conditioning by buffer circuit respectively and obtains its operating state;
The I/O port of this microprocessor also is electrically connected with 6 road output relays respectively, and this No. 6 relay has at least pair of contact to be connected on respectively in the control circuit of main transformer blower fan, 10KV axial flow blower, 35KV axial flow blower, outdoor emergency illuminating lamp, five unlocking prevention key lockers and standby air-conditioning separately.
2, transformer station as claimed in claim 1 stands with auxiliary equipment comprehensively monitoring terminal, it is characterized in that:
Wherein thereby microprocessor also is connected with remote server with optical fiber by communication equipment and communicates by letter.
3, transformer station as claimed in claim 1 stands with auxiliary equipment comprehensively monitoring terminal, it is characterized in that:
Wherein buffer circuit is a photoisolator.
4, transformer station as claimed in claim 1 stands with auxiliary equipment comprehensively monitoring terminal, it is characterized in that:
Wherein temperature sensor is Pt100 or Cu50 thermal resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820177390XU CN201289966Y (en) | 2008-11-14 | 2008-11-14 | Synthesis monitoring terminal of maintenance facility for transforming plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820177390XU CN201289966Y (en) | 2008-11-14 | 2008-11-14 | Synthesis monitoring terminal of maintenance facility for transforming plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201289966Y true CN201289966Y (en) | 2009-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820177390XU Expired - Fee Related CN201289966Y (en) | 2008-11-14 | 2008-11-14 | Synthesis monitoring terminal of maintenance facility for transforming plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201289966Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951028A (en) * | 2010-09-01 | 2011-01-19 | 江西省电力科学研究院 | Intelligent control scheme for transformer substation auxiliary equipment |
| CN102110322A (en) * | 2011-03-30 | 2011-06-29 | 辽宁省电力有限公司营口供电公司 | Unattended substation access control system |
| CN102789223A (en) * | 2012-08-31 | 2012-11-21 | 河南省电力公司鹤壁供电公司 | Intelligent auxiliary real-time monitoring system of iSaSCADA transformer substation |
| CN102891531A (en) * | 2011-07-20 | 2013-01-23 | 上海海能信息科技有限公司 | Transformer load intelligent management system |
| CN103163846A (en) * | 2011-12-14 | 2013-06-19 | 河南省电力勘测设计院 | Method and device of automatic control of heating and ventilation of transformer substation |
| CN103269128A (en) * | 2013-05-17 | 2013-08-28 | 郑州华力信息技术有限公司 | Intelligent transformer load monitoring method |
| CN103454926A (en) * | 2012-10-09 | 2013-12-18 | 深圳市爱科赛科技有限公司 | Method and device for intelligent substation auxiliary system modeling |
| CN104732625A (en) * | 2014-12-16 | 2015-06-24 | 甘星 | Method and device for unlocking key management box on basis of fingerprint identification technology |
| CN104950949A (en) * | 2015-06-12 | 2015-09-30 | 国家电网公司 | Temperature monitoring device and temperature monitoring method for cable interlayer |
| CN105022434A (en) * | 2015-06-12 | 2015-11-04 | 国家电网公司 | A device and method for monitoring the temperature and the humidity of a cable interlayer |
| CN110989419A (en) * | 2019-11-06 | 2020-04-10 | 广东电网有限责任公司 | Safety management and control system for field operation of transformer substation |
-
2008
- 2008-11-14 CN CNU200820177390XU patent/CN201289966Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951028A (en) * | 2010-09-01 | 2011-01-19 | 江西省电力科学研究院 | Intelligent control scheme for transformer substation auxiliary equipment |
| CN102110322A (en) * | 2011-03-30 | 2011-06-29 | 辽宁省电力有限公司营口供电公司 | Unattended substation access control system |
| CN102891531A (en) * | 2011-07-20 | 2013-01-23 | 上海海能信息科技有限公司 | Transformer load intelligent management system |
| CN103163846A (en) * | 2011-12-14 | 2013-06-19 | 河南省电力勘测设计院 | Method and device of automatic control of heating and ventilation of transformer substation |
| CN103163846B (en) * | 2011-12-14 | 2015-07-01 | 河南省电力勘测设计院 | Method and device of automatic control of heating and ventilation of transformer substation |
| CN102789223A (en) * | 2012-08-31 | 2012-11-21 | 河南省电力公司鹤壁供电公司 | Intelligent auxiliary real-time monitoring system of iSaSCADA transformer substation |
| CN103454926A (en) * | 2012-10-09 | 2013-12-18 | 深圳市爱科赛科技有限公司 | Method and device for intelligent substation auxiliary system modeling |
| CN103269128A (en) * | 2013-05-17 | 2013-08-28 | 郑州华力信息技术有限公司 | Intelligent transformer load monitoring method |
| CN103269128B (en) * | 2013-05-17 | 2017-01-18 | 郑州华力信息技术有限公司 | Intelligent transformer load monitoring method |
| CN104732625A (en) * | 2014-12-16 | 2015-06-24 | 甘星 | Method and device for unlocking key management box on basis of fingerprint identification technology |
| CN104950949A (en) * | 2015-06-12 | 2015-09-30 | 国家电网公司 | Temperature monitoring device and temperature monitoring method for cable interlayer |
| CN105022434A (en) * | 2015-06-12 | 2015-11-04 | 国家电网公司 | A device and method for monitoring the temperature and the humidity of a cable interlayer |
| CN110989419A (en) * | 2019-11-06 | 2020-04-10 | 广东电网有限责任公司 | Safety management and control system for field operation of transformer substation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20101114 |