CN103017813B - Comprehensive detection device of direct-current transmission valve cooling system instrument - Google Patents
Comprehensive detection device of direct-current transmission valve cooling system instrument Download PDFInfo
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- CN103017813B CN103017813B CN201210519828.9A CN201210519828A CN103017813B CN 103017813 B CN103017813 B CN 103017813B CN 201210519828 A CN201210519828 A CN 201210519828A CN 103017813 B CN103017813 B CN 103017813B
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Abstract
The invention discloses a comprehensive detection device of a direct-current transmission valve cooling system instrument. The comprehensive detection device comprises a temperature instrument detection unit, a pressure instrument detection unit, a liquid level instrument detection unit, a conductivity instrument detection unit and a flow instrument detection unit and further comprises a programmable logic controller (PLC) control system and an upper computer. The temperature instrument detection unit, the pressure instrument detection unit, the liquid level instrument detection unit, the conductivity instrument detection unit and the flow instrument detection unit are communicated with the PLC control system, and the upper computer is connected with the control system through optical fibers. The comprehensive detection device can conduct comprehensive detection analysis on accuracy of various direct-current transmission valve cooling system instruments, improves system management level of valve cooling equipment, strengthens risk pre-control capability, develops detection analysis work, and simultaneously provides scientific data basis for building equipment archives for on-line monitoring instruments of a valve cooling system, formulating test standards and the like.
Description
Technical field
The present invention relates to direct current transportation valve cooling system, particularly direct current transportation valve cooling system instrumentation comprehensive pick-up unit.
Background technology
Straight-wavy valve cooling system, as one of backup system most important in high voltage direct current transmission project, by temperature, flow, the technical indicator such as pressure and water quality of accuracy controlling valve cooling system chilled water, guarantees the safe and reliable operation of DC converter valve.On-line monitoring instrument in valve cooling system comprises the table meters such as temperature, pressure, liquid level and conductivity, and its accuracy, reliability, directly will affect the safe operation of valve cooling system, so need regularly to test to all kinds of instrument, guarantees its accuracy.
Summary of the invention
The object of the invention is to the shortcoming overcoming above-mentioned prior art, a kind of direct current transportation valve cooling system instrumentation comprehensive pick-up unit is provided.
For solving the problem, the technical solution used in the present invention is:
Direct current transportation valve cooling system instrumentation comprehensive pick-up unit, comprise temperature classes instrument detecting unit, pressure class instrument detecting unit, liquid level class instrument detecting unit, conductivity class instrument detecting unit, class of traffic instrument detecting unit, PLC control system and host computer, described temperature classes instrument detecting unit, pressure class instrument detecting unit, liquid level class instrument detecting unit, conductivity class instrument detecting unit and class of traffic instrument detecting unit and PLC control system carry out communication, and host computer and control system pass through Fiber connection;
Described PLC control system is used for gathering the data-signal that temperature classes instrument detecting unit, pressure class instrument detecting unit, liquid level class instrument detecting unit, conductivity class instrument detecting unit and class of traffic instrument detecting unit detect, processing, and carry out communication with host computer, data-signal is sent to host computer;
The data-signal that described host computer transmits for gathering PLC control system, and carry out detecting, calculate, data filing, performance curve generate and automatically generate examining report.
In order to better realize the present invention, described PLC control system man-machine interface adopts touch-screen, display current system running status, the method for operation, procedure parameter, possess the self-diagnostic function identifying fault, switch the requirements such as the technological principle of different detection units, printing of tabulating, group parameter display, control object real-time status and failure message by touch-screen.
In order to better realize the present invention, described temperature classes instrument detecting unit comprises calibration cell, platinum resistance standard set-up, process checking gauge, dut temperature class instrument and testing and control case, described platinum resistance standard set-up, process checking gauge, dut temperature class instrument and testing and control case are connected with PLC control system, described testing and control case is connected with calibration cell, for selecting manual test or automatically testing, during automatic test, testing and control case sends automatic test instruction to PLC control system, platinum resistance standard set-up and dut temperature class instrument measure calibration cell temperature simultaneously, when selecting manual test, data are manually inputed to host computer, when selecting automatically to test, data-signal passes to host computer by PLC, final by host computer to data analysis, and Output rusults.
In order to better realize the present invention, described pressure class instrument detecting unit comprises standard pressure gauge, pressure calibration instrument, process checking gauge and by measuring pressure class instrument, described standard pressure gauge, pressure calibration instrument, process checking gauge and be connected with PLC control system by measuring pressure class instrument, normal pressure is taken into account tested pressure class instrument and is measured pressure calibration instrument pressure simultaneously, and data-signal is passed to PLC, final by host computer to data analysis, and Output rusults.
In order to better realize the present invention, described liquid level class instrument detecting unit comprises water pump, raw water box, test water tank, clear glass tubular type liquid level gauge, magnetostriction liquidometer, tested liquid level class instrument and testing and control case, described water pump, raw water box and test water tank connect successively, clear glass tubular type liquid level gauge, magnetostriction liquidometer and tested liquid level class instrument are installed on test water tank, clear glass tubular type liquid level gauge and magnetostriction liquidometer are as standard liquid level gauge, described water pump, magnetostriction liquidometer, tested liquid level class instrument and testing and control case are connected with PLC control system, described testing and control case is for selecting manual test or automatically testing, during automatic test, testing and control case sends automatic test instruction to PLC control system, by the liquid level of PLC control system according to target detection Liquid level testing pump test water tank, magnetostriction liquidometer and tested liquid level class instrument measure test high water tank simultaneously, and data-signal is passed to PLC control system, final by host computer to data analysis, and Output rusults.
In order to better realize the present invention, described conductivity class instrument detecting unit comprises conductivity meter standard, conductivity titer and tested conductivity class instrument, described tested conductivity class instrument is connected with PLC control system, conductivity meter standard and tested conductivity class instrument measure conductivity titer conductivity simultaneously, by host computer to data analysis, and Output rusults.
In order to better realize the present invention, described class of traffic instrument detecting unit comprises water pump, tank body, bypass motorized valve, emptying valve, tensimeter, portable type ultrasonic flowmeter and measured flux class instrument, described water pump, bypass motorized valve, measured flux class instrument, tensimeter and tank body connect into loop by stainless steel pipes, emptying valve is arranged on pipeline, bypass motorized valve is in parallel with water pump forms bypass, described water pump, measured flux class instrument and portable type ultrasonic flowmeter are connected with PLC control system, piping flow is regulated according to target detection flow regulation bypass electric valve by PLC control system, portable type ultrasonic flowmeter and measured flux class instrument measuring circuit flow simultaneously, by host computer to data analysis, and Output rusults.
The present invention compared with prior art, tool has the following advantages and beneficial effect: by straight-wavy valve cooling system instrumentation comprehensive pick-up unit, comprehensive periodic detection analysis of the temperature classes instrument of valve cooling system, pressure class instrument, liquid level class instrument, conductivity class instrument and class of traffic instrument can be realized, improve the system management level of valve cool equipment, strengthen Risk Pre-control ability, carry out and detect analytical work simultaneously for the foundation of valve cooling system on-line monitoring instrument equipment files and the formulation etc. of examination criteria provide the data foundation of science.
Accompanying drawing explanation
Fig. 1 is a kind of direct current transportation valve cooling system instrumentation comprehensive structure of the detecting device figure described in the embodiment of the present invention 1;
Fig. 2 is a kind of direct current transportation valve cooling system instrumentation comprehensive pick-up unit temperature classes instrument detecting unit structural drawing described in the embodiment of the present invention 1;
Fig. 3 is a kind of direct current transportation valve cooling system instrumentation comprehensive pick-up unit pressure class instrument detecting unit structural drawing described in the embodiment of the present invention 1;
Fig. 4 is a kind of direct current transportation valve cooling system instrumentation comprehensive pick-up unit liquid level class instrument detecting unit structural drawing described in the embodiment of the present invention 1;
Fig. 5 is a kind of direct current transportation valve cooling system instrumentation comprehensive pick-up unit class of traffic instrument detecting unit structural drawing described in the embodiment of the present invention 1.
Embodiment
Below in conjunction with embodiment and accompanying drawing, embodiments of the present invention are described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
As shown in Figure 1, direct current transportation valve cooling system instrumentation comprehensive pick-up unit, comprise temperature classes instrument detecting unit, pressure class instrument detecting unit, liquid level class instrument detecting unit, conductivity class instrument detecting unit, class of traffic instrument detecting unit, PLC control system and host computer, described temperature classes instrument detecting unit, pressure class instrument detecting unit, liquid level class instrument detecting unit, conductivity class instrument detecting unit and class of traffic instrument detecting unit carry out communication by TCP/IP ethernet communication mode and PLC control system, host computer and control system pass through Fiber connection, PLC control system man-machine interface adopts touch-screen, display current system running status, the method of operation, procedure parameter, possesses the self-diagnostic function identifying fault, the technological principle of different detection units is switched by touch-screen, tabulation prints, group parameter shows, the requirements such as control object real-time status and failure message.
Described PLC control system is used for gathering the data-signal that temperature classes instrument detecting unit, pressure class instrument detecting unit, liquid level class instrument detecting unit, conductivity class instrument detecting unit and class of traffic instrument detecting unit detect, processing, and carry out communication with host computer, data-signal is sent to host computer;
The data-signal that described host computer transmits for gathering PLC control system, and carry out detecting, calculate, data filing, performance curve generate and automatically generate examining report.
As shown in Figure 2, described temperature classes instrument detecting unit comprises calibration cell, platinum resistance standard set-up, process checking gauge, dut temperature class instrument and testing and control case, described platinum resistance standard set-up, process checking gauge, dut temperature class instrument and testing and control case are connected with PLC control system, described testing and control case is connected with calibration cell, for selecting manual test or automatically testing, during automatic test, testing and control case sends automatic test instruction to PLC control system, platinum resistance standard set-up and dut temperature class instrument measure calibration cell temperature simultaneously, when selecting manual test, data are manually inputed to host computer, when selecting automatically to test, data-signal passes to host computer by PLC, final by host computer to data analysis, and Output rusults.
As shown in Figure 3, described pressure class instrument detecting unit comprises standard pressure gauge, pressure calibration instrument, process checking gauge and by measuring pressure class instrument, described standard pressure gauge, pressure calibration instrument, process checking gauge and be connected with PLC control system by measuring pressure class instrument, normal pressure is taken into account tested pressure class instrument and is measured pressure calibration instrument pressure simultaneously, and data-signal is passed to PLC, final by host computer to data analysis, and Output rusults.
As shown in Figure 4, described liquid level class instrument detecting unit comprises water pump 1, raw water box 2, test water tank 3, clear glass tubular type liquid level gauge 5, magnetostriction liquidometer 6, tested liquid level class instrument 4 and testing and control case 7, described water pump 1, raw water box 2 and test water tank 3 connect successively, clear glass tubular type liquid level gauge 5, magnetostriction liquidometer 6 and tested liquid level class instrument 4(comprise float type level gauge 4-1, pressure-type liquidometer 4-2, capacitance level gauge 4-3, ultrasonic level gage 4-4) be installed on test water tank 3, clear glass tubular type liquid level gauge 5 and magnetostriction liquidometer 6 are as standard liquid level gauge, described water pump 1, magnetostriction liquidometer 6, tested liquid level class instrument 4 and testing and control case 7 are connected with PLC control system 8, described testing and control case 7 is for selecting manual test or automatically testing, during automatic test, testing and control case 7 sends automatic test instruction to PLC control system 8, water pump 1 is started by PLC control system 8, regulated the liquid level of test water tank 3 according to target detection Liquid level water pump 1 by PLC control system 8, magnetostriction liquidometer 6 and tested liquid level class instrument 4 measure test water tank 3 liquid level simultaneously, and data-signal is passed to PLC control system 8, final by host computer to data analysis, and Output rusults, clear glass tubular type liquid level gauge is used for preliminary test.
Described conductivity class instrument detecting unit comprises conductivity meter standard, conductivity titer and tested conductivity class instrument, described tested conductivity class instrument is connected with PLC control system, conductivity meter standard and tested conductivity class instrument measure conductivity titer conductivity simultaneously, by host computer to data analysis, and Output rusults.
As shown in Figure 5, described class of traffic instrument detecting unit comprises water pump 10, tank body 11, bypass motorized valve 15, emptying valve 16, tensimeter 12, portable type ultrasonic flowmeter 14 and measured flux class instrument 13, described water pump 10, measured flux class instrument 13, tensimeter 12 and tank body 11 connect into loop by stainless steel pipes, emptying valve 16 is arranged on pipeline, bypass motorized valve 15 is in parallel with water circulating pump 1 forms bypass, described water pump 10, bypass motorized valve 15, measured flux class instrument 13 and portable type ultrasonic flowmeter 14 are connected with PLC control system 8, water pump 10 is started by PLC control system 8, piping flow is regulated according to target detection flow regulation bypass motorized valve 15 by PLC control system 8, portable type ultrasonic flowmeter 14 and measured flux class instrument 13 measuring circuit flow simultaneously, by host computer 9 pairs of data analysis, and Output rusults.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (2)
1. direct current transportation valve cooling system instrumentation comprehensive pick-up unit, it is characterized in that: comprise temperature classes instrument detecting unit, pressure class instrument detecting unit, liquid level class instrument detecting unit, conductivity class instrument detecting unit, class of traffic instrument detecting unit, PLC control system and host computer, described temperature classes instrument detecting unit, pressure class instrument detecting unit, liquid level class instrument detecting unit, conductivity class instrument detecting unit and class of traffic instrument detecting unit and PLC control system carry out communication, and host computer and control system pass through Fiber connection;
Described PLC control system is used for gathering the data-signal that temperature classes instrument detecting unit, pressure class instrument detecting unit, liquid level class instrument detecting unit, conductivity class instrument detecting unit and class of traffic instrument detecting unit detect, processing, and carry out communication with host computer, data-signal is sent to host computer;
The data-signal that described host computer transmits for gathering PLC control system, and carry out detecting, calculate, data filing, performance curve generate and automatically generate examining report;
Described temperature classes instrument detecting unit comprises calibration cell, platinum resistance standard set-up, process checking gauge, dut temperature class instrument and testing and control case, described platinum resistance standard set-up, process checking gauge, dut temperature class instrument and testing and control case are connected with PLC control system, described testing and control case is connected with calibration cell, for selecting manual test or automatically testing, during automatic test, testing and control case sends automatic test instruction to PLC control system, platinum resistance standard set-up and dut temperature class instrument measure calibration cell temperature simultaneously, when selecting manual test, data are manually inputed to host computer, when selecting automatically to test, data-signal passes to host computer by PLC, final by host computer to data analysis, and Output rusults,
Described pressure class instrument detecting unit comprises standard pressure gauge, pressure calibration instrument, process checking gauge and by measuring pressure class instrument, described standard pressure gauge, pressure calibration instrument, process checking gauge and be connected with PLC control system by measuring pressure class instrument, normal pressure is taken into account tested pressure class instrument and is measured pressure calibration instrument pressure simultaneously, and data-signal is passed to PLC, final by host computer to data analysis, and Output rusults;
Described liquid level class instrument detecting unit comprises water pump, raw water box, test water tank, clear glass tubular type liquid level gauge, magnetostriction liquidometer, tested liquid level class instrument and testing and control case, described water pump, raw water box and test water tank connect successively, clear glass tubular type liquid level gauge, magnetostriction liquidometer and tested liquid level class instrument are installed on test water tank, clear glass tubular type liquid level gauge, magnetostriction liquidometer is as standard liquid level gauge, described water pump, magnetostriction liquidometer, tested liquid level class instrument and testing and control case are connected with PLC control system, described testing and control case is for selecting manual test or automatically testing, during automatic test, testing and control case sends automatic test instruction to PLC control system, by the liquid level of PLC control system according to target detection Liquid level testing pump test water tank, magnetostriction liquidometer and tested liquid level class instrument measure test high water tank simultaneously, and data-signal is passed to PLC control system, final by host computer to data analysis, and Output rusults,
Described conductivity class instrument detecting unit comprises conductivity meter standard, conductivity titer and tested conductivity class instrument, described tested conductivity class instrument is connected with PLC control system, conductivity meter standard and tested conductivity class instrument measure conductivity titer conductivity simultaneously, by host computer to data analysis, and Output rusults;
Described class of traffic instrument detecting unit comprises water pump, tank body, bypass motorized valve, emptying valve, tensimeter, portable type ultrasonic flowmeter and measured flux class instrument, described water pump, bypass motorized valve, measured flux class instrument, tensimeter and tank body connect into loop by stainless steel pipes, emptying valve is arranged on pipeline, bypass motorized valve is in parallel with water pump forms bypass, described water pump, measured flux class instrument and portable type ultrasonic flowmeter are connected with PLC control system, piping flow is regulated according to target detection flow regulation bypass electric valve by PLC control system, portable type ultrasonic flowmeter and measured flux class instrument measuring circuit flow simultaneously, by host computer to data analysis, and Output rusults.
2. direct current transportation valve cooling system instrumentation comprehensive pick-up unit according to claim 1, is characterized in that: described PLC control system man-machine interface adopts touch-screen.
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| CN201210519828.9A CN103017813B (en) | 2012-12-06 | 2012-12-06 | Comprehensive detection device of direct-current transmission valve cooling system instrument |
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| CN201210519828.9A CN103017813B (en) | 2012-12-06 | 2012-12-06 | Comprehensive detection device of direct-current transmission valve cooling system instrument |
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| CN103017813B true CN103017813B (en) | 2015-07-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103760882A (en) * | 2013-11-06 | 2014-04-30 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Complete redundancy testing apparatus control system of direct-current valve cooling unit |
| CN103605310A (en) * | 2013-12-02 | 2014-02-26 | 天津光电通信技术有限公司 | Intelligent instrument control unit |
| CN104061985B (en) * | 2014-07-03 | 2017-11-24 | 安徽省（水利部淮河水利委员会）水利科学研究院 | A kind of calibrating of river course pressure type water gauge and calibration method |
| CN106595744A (en) * | 2016-11-11 | 2017-04-26 | 菏泽海诺知识产权服务有限公司 | Water flow indicator delay time and work cycle performance automatic test device and method |
| CN114018308A (en) * | 2021-11-20 | 2022-02-08 | 中国南方电网有限责任公司超高压输电公司大理局 | Instrument inspection system |
| CN114485778B (en) * | 2021-12-27 | 2023-07-14 | 广州高澜节能技术股份有限公司 | Automatic checking device and method for FACTS cooling equipment |
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