CN204215011U - Intelligent SF 6density monitor calibrating installation - Google Patents
Intelligent SF 6density monitor calibrating installation Download PDFInfo
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- CN204215011U CN204215011U CN201420656826.9U CN201420656826U CN204215011U CN 204215011 U CN204215011 U CN 204215011U CN 201420656826 U CN201420656826 U CN 201420656826U CN 204215011 U CN204215011 U CN 204215011U
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- density monitor
- gas
- verification operation
- operation platform
- density
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Abstract
The utility model discloses a kind of intelligent SF
6density monitor calibrating installation, comprises source of the gas, verification operation platform, is arranged on the multiple SF on verification operation platform
6density monitor, is arranged on the multiple testing agencies in verification operation platform, and each testing agency all connects source of the gas and a SF
6density monitor.And be arranged at the control gear of verification operation platform.This device by arranging verification operation platform, and is arranged on verification operation Tai Zhong testing agency, control gear, to being arranged on SF to be detected on verification operation platform
6density monitor is examined and determine.Whole testing process automaticity is high, after installing density monitor, sets detected parameters by input equipment, just can automatically detect, last by the automatic output detections result of output device, decrease manual intervention process, improve accuracy of detection and detection efficiency.
Description
Technical field
The utility model relates to the calibration equipment of electrical equipment instrument, particularly the intelligent SF of one
6density monitor calibrating installation.
Background technology
SF
6gas has good insulating property and the insulating medium of arc extinction performance as a kind of, is widely used in high-voltage switch gear gas-insulated.And SF
6gas density affects SF
6the major factor of gas-insulated performance, therefore for SF
6equipment, SF
6whether density monitor normally works is the important content that guarantee equipment normal safe runs.
At present, when calibration laboratory carries out the verifying work of density monitor, density monitor verification regulatory requirements density monitor should be kept upright or normal operating conditions in checking procedure, due to the density relay checking instrument do not used in laboratory, the verification of the density monitor carried out in laboratory, needs artificial hand rest to live, and calibrates the density monitor needs longer time, therefore, greatly increase labour intensity and reduce work efficiency; Meanwhile, due to density monitor inevitably shake in the process of lifting, off normal, unpredictable impact can be produced on check results, not meet the relevant regulations in GB/T27025-2008 " General Requirement of testing and calibration laboratories ability ".
And, along with SF
6the generally application of electrical equipment, SF
6the labor capacity of density monitor verifying work increases, SF
6the verifying work of density monitor also requires standard criterion more.According to investigation, current SF
6calibration equipment mainly measures verification SF in the mode of manual pressure, step-down
6density monitor.In this measurement checking procedure, manual intervention is more, and test result can be caused inaccurate or repeated bad, and seldom has can measure many SF simultaneously
6the device of density monitor.
Summary of the invention
Based on this, for above-mentioned SF
6density monitor verifies the low problem causing the inaccurate and inefficiency of check results of the too much automaticity of manual intervention in requirement against regulation, checking procedure, is necessary to propose a kind of simple and quick intelligent SF
6density monitor calibrating installation.
Its technical scheme is as follows:
A kind of intelligent SF
6density monitor calibrating installation, comprises verification operation platform, is arranged on the multiple SF on described verification operation platform
6density monitor; Be arranged on the multiple testing agencies in described verification operation platform, each described testing agency all connects source of the gas and a described SF
6density monitor; Described testing agency comprises the gas circuit processor be connected with source of the gas, and the gas control valve be connected with described gas circuit processor, and described gas control valve and SF
6density monitor connects; And being arranged at the control gear of described verification operation platform, described control gear comprises and described SF
6the signal picker that density monitor connects, the controller be connected with described signal picker, the computing machine be connected with described controller, and the input equipment be connected with described computing machine and output device.
This device by arranging verification operation platform, and is arranged on verification operation Tai Zhong testing agency, control gear, to being arranged on SF to be detected on verification operation platform
6density monitor is examined and determine.Whole testing process automaticity is high, after installing density monitor, sets detected parameters by input equipment, just can automatically detect, last by the automatic output detections result of output device, decrease manual intervention process, improve accuracy of detection and detection efficiency.
Below its further technical scheme is described:
Preferably, described gas control valve is provided with the operation valve air intake opening be connected with source of the gas, the operation valve exhausr port be communicated with air, and with described SF
6the operation valve test port that density monitor connects; Described operation valve test port and described SF
6pressure transducer is connected with between density monitor, and described SF
6density monitor is connected with temperature sensor simultaneously; Described pressure transducer is all connected with signal picker with temperature sensor.By gas circuit processor analyzing and processing gas parameter, by gas control valve regulating and controlling air inflow, and by pressure transducer and temperature sensor, Real-Time Monitoring is carried out to gaseous tension and temperature, to reach the object of fine adjustment gaseous tension and density, conveniently density monitor is examined and determine.
Preferably, described testing agency also comprises the direct-acting valve connecting described gas circuit processor and gas control valve.Accurately controlled and adjustments of gas pressure by direct-acting valve and gas control valve, improve accuracy of detection.
Preferably, described verification operation platform is set to closure casing form, has middle operation bench outwardly in the middle part of it, and described input equipment is arranged on described intermediary operation platform; Described verification operation platform top has a display platform tilted, and described display platform is provided with output device; And described display platform is other is provided with SF
6density monitor mounting platform, described SF
6density monitor mounting platform is provided with multiple SF
6density monitor; And described verification operation platform bottom offers many fans cabinet door to be opened/closed.
Preferably, described SF
6density monitor mounting platform is provided with SF
6density monitor mating interface, and connect described SF
6density monitor mating interface and SF
6the X-over of density monitor.By arranging mating interface on verification operation platform, can easily by SF
6density monitor is arranged on verification operation platform, need not live in SF by artificial hand rest
6density monitor, alleviates labour intensity.In addition, by arranging X-over, the SF of mounting different model different manufacturers can be installed
6density monitor, applicability is extensive.
Preferably, described computing machine comprises Data Management Analysis module, draws gas density data for carrying out Treatment Analysis to the gaseous tension collected and temperature data.This Data Management Analysis module can according to the Beattie_Bridgman equation of gas state, the SF collected
6density monitor temperature value and force value convert, and draw SF
6the gas density value of density monitor.
Preferably, described input equipment comprises keyboard and/or touch-screen, and described output device comprises display screen and printer.
The utility model has following outstanding advantage:
(1) SF of design specialized
6density monitor mating interface, is furnished with X-over simultaneously, can install the SF of mounting different model different manufacturers
6density monitor, meets the placement requirement of code to instrument during assay calibration;
(2) proving installation integrated setting, by display screen and Displaying Meter observation test process, test parameter arranges and is undertaken by keyboard or touch-screen, simple and convenient;
(3) have employed high-precision pressure sensor and temperature sensor, measuring accuracy is high, with the Beattie_Bridgman equation of gas state for foundation, the temperature and pressure value collected is converted, draws density value, simple and convenient;
(4) test data directly prints (A4 test report) by printer or is saved permanently to Computer Database, by retrieving test data over the years, analyzes data trend, finds SF
6the recessive problem of density monitor;
(5) many SF can be tested simultaneously
6density monitor, whole test process does not interfere with each other, and substantially increases testing efficiency;
(6) single SF can be measured simultaneously
6many groups contact of density monitor, can arrange arbitrarily the SF of relatively/absolute pressure
6density monitor;
(7) feature of environmental protection is good, according to power industry standard " sulfur hexafluoride gas density relay verification code ", high pure nitrogen can be adopted as source of the gas, reduces SF
6the impact that gas causes environment.
Accompanying drawing explanation
Fig. 1 is intelligent SF described in the utility model embodiment
6the one-piece construction schematic diagram of density monitor calibrating installation;
Fig. 2 be Fig. 1 face structural representation;
Fig. 3 is the plan structure schematic diagram of Fig. 1;
Fig. 4 is the left TV structure schematic diagram of Fig. 1;
Fig. 5 is intelligent SF described in the utility model embodiment
6the schematic block diagram of the testing agency of density monitor calibrating installation;
Fig. 6 is intelligent SF described in the utility model embodiment
6the schematic block diagram of the control gear of density monitor calibrating installation;
Fig. 7 is intelligent SF described in the utility model embodiment
6the step schematic block diagram of density monitor calibration method.
Description of reference numerals:
100-verification operation platform, operation bench in the middle of 110-, 120-display platform, 130-SF
6density monitor mounting platform, 140-cabinet door, 200-SF
6density monitor, 300-testing agency, 310-gas circuit processor, 320-direct-acting valve, 330-gas control valve, 340-pressure transducer, 400-control gear, 410-computing machine, 420-controller, 430-instrument signal gathering line, 440-printer, 450-display screen, 460-keyboard.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As shown in Figures 1 to 6, a kind of intelligent SF
6density monitor calibrating installation, comprises verification operation platform 100, is arranged on the multiple SF on verification operation platform 100
6density monitor 200, is arranged on the multiple testing agencies 300 in verification operation platform 100, and each testing agency 300 all connects source of the gas and a SF
6density monitor 200.And be arranged at the control gear 400 of verification operation platform 100.This device by arranging verification operation platform 100, and is arranged on testing agency 300 in verification operation platform 100, control gear 400, to being arranged on SF to be detected on verification operation platform 100
6density monitor 200 is examined and determine.Whole testing process automaticity is high, installs SF
6after density monitor 200, set detected parameters by input equipment, just can automatically detect, finally by the automatic output detections result of output device, decrease manual intervention process, improve accuracy of detection and detection efficiency.
As shown in Figures 1 to 4, above-mentioned verification operation platform 100 is set to the housing form closed, for supporting a complete set of calibration equipment, based on framework.There is in the middle part of it middle operation bench 110 outwardly, be provided with input equipment such as keyboard 460 grade above, can input control order and controling parameters (as gaseous tension and gas density), and various gauge tap, for opening or close the equipment mechanism of certain or entirety, thus realize controlling whole device.Verification operation platform 100 top has a display platform 120 tilted, display screen 450 is installed above, can show the testing process of device, but also display screen 450 can be set to touch-screen form, directly can pass through touch-screen input parameter and instruction.In addition, display platform 120 side is provided with SF
6density monitor mounting platform 130, is provided with SF
6density monitor mating interface (not shown in the figures anticipate out), and connect described SF
6density monitor mating interface and SF
6the X-over of density monitor 200 (not shown in the figures anticipate out).By arranging mating interface on verification operation platform 100, can easily by SF
6density monitor 200 is arranged on verification operation platform 100, need not live in SF by artificial hand rest
6density monitor 200, alleviates labour intensity.Open joint herein can be fast stubborn formula gas circuit jointing, can realize fast connecting.In addition, by arranging X-over, the SF of mounting different model different manufacturers can be installed
6density monitor, applicability is extensive.Verification operation platform 100 bottom offers many fan cabinet doors 140, can open closed verification operation platform 100, facilitate installation and repairing inner structure.And above-mentioned display screen 450 is all connected with control gear 400 with keyboard 460.
As shown in Figure 5, be arranged on the testing agency 300 in verification operation platform 100, connect source of the gas (not shown in the figures anticipate out) and tested SF6 density monitor 200, and carry out flow precise hard_drawn tuhes and Various types of data collection.This testing agency 300 comprises the gas circuit processor 310 be connected with source of the gas, and gas circuit processor 310 is herein connected with control gear 400.Also comprise the direct-acting valve 320 be connected with gas circuit processor 310, and the gas control valve 330 be connected with direct-acting valve 320, accurately controlled and adjustments of gas pressure by direct-acting valve 320 and gas control valve 330, improve accuracy of detection.This gas control valve 330 is provided with for the operation valve air intake opening (not indicating in figure) from air-source inflow, the operation valve exhausr port be communicated with air, and and SF
6the operation valve test port that density monitor 200 connects.Operation valve test port and SF
6pressure transducer 340 is connected with between density monitor 200, and SF
6density monitor 200 is connected with temperature sensor (not shown in the figures anticipate out) simultaneously.Test gas flows into SF from operation valve test port through pressure transducer 340
6in density monitor 200, now pressure transducer 340 can detect in real time to gaseous tension.And pressure transducer 340 and temperature sensor are all connected with signal picker, signal picker is connected with control gear 400, can monitor the data collected and process.By gas circuit processor 310 analyzing and processing gas parameter, and by gas control valve 330 regulating and controlling air inflow, to reach the object of adjustments of gas pressure and density, by high-precision pressure transducer and temperature sensor, precise monitoring and control are carried out to pressure and temperature simultaneously, convenient accurately to SF
6density monitor 200 is examined and determine.
In the present embodiment, to test four SF simultaneously
6density monitor 200 is described for example, then comprise four tunnel testing agencies 300, every SF
6the corresponding road testing agency 300 of density monitor 200, and direct-acting valve 320, gas control valve 330, pressure transducer 340, the SF in Mei Lu testing agency 300
6equipment such as density monitor 200 grade is all connected by tracheae.And Ge Lu testing agency 300 connects a gas circuit processor 310 by a total inlet pipe jointly, and the gas that Ge Lu testing agency 300 discharges also is all discharged by a total air escape pipe.And, except detecting four SF simultaneously
6outside density monitor 200, the SF of more detects in the testing agency 300 also by arranging more multichannel
6density monitor 200, Mei Lu testing agency 300 is all identical.In addition, pressure transducer 340 in the present embodiment and temperature sensor are respectively high accuracy pressure transmitter and temperature transmitter, wherein need quantity temperature transmitter four, model is PT100A level, pressure unit four, precision is 0.1 grade, is mainly used in the pressure and temperature gathering SF6 density monitor.
As shown in Figure 6, the control gear 400 be connected with testing agency 300 is the data operation of whole calibration equipment, the service centre of process.This control gear 400 comprises multiple signal picker, each signal picker and a SF
6density monitor 200 correspondence connects, the controller 420 be connected with all signal pickers, the computing machine 410 be connected with controller 420, and the input equipment be connected with computing machine 420 and output device.Signal picker herein comprises instrument signal gathering line 430, for gathering SF
6pressure (and density) signal of density monitor 200.Computing machine 410 comprises Data Management Analysis module (i.e. processor, not shown in the figures anticipate out), draws gas density data for carrying out Treatment Analysis to the gaseous tension collected and temperature data.This Data Management Analysis module can according to the Beattie_Bridgman equation of gas state, the SF collected
6temperature value and the force value of density monitor 200 convert, and draw SF
6the gas density value of density monitor.In the present embodiment, adopt a set of control gear 400, its corresponding four tunnel testing agencies 300 and four SF
6density monitor 200, controlling party constipation structure is simple.And, adopt four Data Management Analysis modules (processor), respectively corresponding four testing agencies 300 and four SF
6density monitor 200, carries out process computational analysis respectively.In addition, input equipment is herein keyboard 460 or/and touch-screen, can input detected parameters.Output device is display screen 450 (traditional display screen or touch-screen) and printer 440, can show detection and setting data parameter, and print examining report.
This intelligent SF
6density monitor calibrating installation can measure SF
6the action connection point value of density monitor 200 is (according to tested SF
6density monitor is determined), and measure SF
6density monitor density indicating value (determining according to relevant criterion).In the present embodiment, this calibrating installation can measure single SF
6four groups of action connection points of density monitor 200, measure four SF simultaneously
6density monitor 200.And what source of the gas adopted is a set of 50L High Purity Nitrogen gas cylinder and decompressor, mainly for detection of mechanism's air feed, adopt high pure nitrogen as source of the gas, reduce SF
6the impact that gas causes environment.
In addition, as shown in Figure 7, above-mentioned intelligent SF
6the calibration method of density monitor calibrating installation, step is following (to examine and determine four SF simultaneously
6density monitor is example):
A, by tested SF
6density monitor 200 is installed to the SF of verification operation platform 100
6density monitor mating interface place, connects SF by signals collecting line 430
6density monitor 200 and corresponding terminal box, equilibrium temperature;
B, open gas source valve, calibrating installation general supply, computing machine 410 power supply, enter test macro control inerface, to tested four SF
6every preset value of density monitor 200 is preset, such as: rated pressure, alarming value pressure, locking duty pressure, pendulous frequency etc.
C, be provided with rear hit testing button, calibrating installation enters test mode, now shows four SF respectively in real time
6the contact state of density monitor 200, charge pressure, density; When closing on contact place, inflation rate slows down, and records every contact value successively, and when arriving specified setting value, calibrating installation controls testing agency and stops pressurization, pauses after the several seconds, carries out pressure release, record every contact value successively.
D, measured after, the numerical value that every preset value of input before test and process measurement obtain is compared, calculates error.
E, enter test report edit pattern, to surveyed SF
6the every numerical value of density monitor 200 carries out checking, edit, store or printing.
In above-mentioned calibration method, can to multiple SF
6the electric contact of density monitor verifies simultaneously, also can to multiple SF
6a single point or multiple point of density monitor 200 carry out indicating value verification.。Above-mentioned gas pressure value and density value, all according to the Beattie_Bridgman equation of gas state, can carry out conversion according to the relation between temperature, pressure, density and obtain.
The utility model provides to devise and a kind ofly meets verification regulatory requirements, can be used for laboratory SF
6the servicing unit of density monitor inspection, as SF
6the utility appliance of density monitor verification, for daily production work reduces labour intensity, raises labour efficiency and be SF
6density monitor verification reduces unpredictable impact, improves ergonomic, once verifies many instrument simultaneously, finally also improve instrument check efficiency.The intelligent SF that the utility model provides
6density monitor calibrating installation, improves the lack of standard of checking procedure, avoids SF in checking procedure simultaneously
6the verification gauge outfit of density monitor places the impact that may produce check results lack of standardization, improves calibration accuracy, and then improves power supply quality and power supply safety, for large-scale promotion is laid a solid foundation.Have positive contribution to the production safety of electric power enterprise, techno-economic effect and the impetus to scientific research, Social benefit and economic benefit is very remarkable.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. an intelligent SF
6density monitor calibrating installation, is characterized in that, comprises source of the gas, verification operation platform, is arranged on the multiple SF on described verification operation platform
6density monitor;
Be arranged on the multiple testing agencies in described verification operation platform, each described testing agency all connects source of the gas and a described SF
6density monitor; Described testing agency comprises the gas circuit processor be connected with source of the gas, and the gas control valve be connected with described gas circuit processor, and described gas control valve and SF
6density monitor connects;
And being arranged at the control gear of described verification operation platform, described control gear comprises and described SF
6the signal picker that density monitor connects, the controller be connected with described signal picker, the computing machine be connected with described controller, and the input equipment be connected with described computing machine and output device.
2. intelligent SF according to claim 1
6density monitor calibrating installation, is characterized in that, described gas control valve is provided with the operation valve air intake opening be connected with source of the gas, the operation valve exhausr port be communicated with air, and with described SF
6the operation valve test port that density monitor connects;
Described operation valve test port and described SF
6pressure transducer is connected with between density monitor, and described SF
6density monitor is connected with temperature sensor simultaneously; Described pressure transducer is all connected with signal picker with temperature sensor.
3. intelligent SF according to claim 2
6density monitor calibrating installation, is characterized in that, described testing agency also comprises the direct-acting valve connecting described gas circuit processor and gas control valve.
4. intelligent SF according to claim 1
6density monitor calibrating installation, is characterized in that, described verification operation platform is set to closure casing form, has middle operation bench outwardly in the middle part of it, and described input equipment is arranged on described intermediary operation platform;
Described verification operation platform top has a display platform tilted, and described display platform is provided with output device; And described display platform is other is provided with SF
6density monitor mounting platform, described SF
6density monitor mounting platform is provided with multiple SF
6density monitor;
And described verification operation platform bottom offers many fans cabinet door to be opened/closed.
5. intelligent SF according to claim 4
6density monitor calibrating installation, is characterized in that, described SF
6density monitor mounting platform is provided with SF
6density monitor mating interface, and connect described SF
6density monitor mating interface and SF
6the X-over of density monitor.
6. the intelligent SF according to claim 1-6 any one
6density monitor calibrating installation, is characterized in that, described computing machine comprises Data Management Analysis module, draws gas density data for carrying out Treatment Analysis to the gaseous tension collected and temperature data.
7. intelligent SF according to claim 6
6density monitor calibrating installation, is characterized in that, described input equipment comprises keyboard and/or touch-screen, and described output device comprises display screen and printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656826.9U CN204215011U (en) | 2014-11-04 | 2014-11-04 | Intelligent SF 6density monitor calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656826.9U CN204215011U (en) | 2014-11-04 | 2014-11-04 | Intelligent SF 6density monitor calibrating installation |
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| Publication Number | Publication Date |
|---|---|
| CN204215011U true CN204215011U (en) | 2015-03-18 |
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ID=52983672
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|---|---|---|---|
| CN201420656826.9U Active CN204215011U (en) | 2014-11-04 | 2014-11-04 | Intelligent SF 6density monitor calibrating installation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375082A (en) * | 2014-11-04 | 2015-02-25 | 广州供电局有限公司 | Intelligent SF6 density relay calibration device and method |
| CN108594111A (en) * | 2018-05-25 | 2018-09-28 | 杭州得诚电力科技股份有限公司 | A kind of combination switch intelligent detection device |
| CN112798398A (en) * | 2020-12-30 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Be used for GIS density relay gas pressure testing arrangement |
-
2014
- 2014-11-04 CN CN201420656826.9U patent/CN204215011U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375082A (en) * | 2014-11-04 | 2015-02-25 | 广州供电局有限公司 | Intelligent SF6 density relay calibration device and method |
| CN108594111A (en) * | 2018-05-25 | 2018-09-28 | 杭州得诚电力科技股份有限公司 | A kind of combination switch intelligent detection device |
| CN112798398A (en) * | 2020-12-30 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Be used for GIS density relay gas pressure testing arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201016 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
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| TR01 | Transfer of patent right |