CN106647605A - Intelligent gas supplementation and mini-amount water monitoring device for SF6 electrical equipment - Google Patents

Intelligent gas supplementation and mini-amount water monitoring device for SF6 electrical equipment Download PDF

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Publication number
CN106647605A
CN106647605A CN201611232719.3A CN201611232719A CN106647605A CN 106647605 A CN106647605 A CN 106647605A CN 201611232719 A CN201611232719 A CN 201611232719A CN 106647605 A CN106647605 A CN 106647605A
Authority
CN
China
Prior art keywords
tonifying
bottle
micro
gas
magnetic valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611232719.3A
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Chinese (zh)
Inventor
卞超
关为民
李东风
朱宁俊
张珂伟
钱聪
王国良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201611232719.3A priority Critical patent/CN106647605A/en
Publication of CN106647605A publication Critical patent/CN106647605A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass

Abstract

The invention discloses an intelligent gas supplementation and mini-amount water monitoring device for SF6 electrical equipment, and the device comprises a metal cavity X4 which is connected with the SF6 electrical equipment, a gas supplementation bottle and a discarded bottle X3 through pipes. The interior of the metal cavity X4 is provided with a gas detection apparatus, and the gas detection apparatus comprises a pressure sensor, a temperature sensor, and a mini-amount water detector. The pressure sensor, the temperature sensor and the mini-amount water detector are respectively connected with the SF6 electrical equipment. The pipe of the metal cavity X4 and the SF6 electrical equipment is provided with a solenoid valve V1, and two pipes are disposed between the metal cavity X4 and the discarded bottle X3, wherein one pipe is provided with a solenoid valve V2, and the other pipe is provided with a solenoid valve V4 and a vacuum pump D1. The pipe of the metal cavity X4 and the gas supplementation bottle is sequentially provided with a solenoid valve V3 and a pressure-reducing valve V5. According to the invention, when the density of the SF6 electrical equipment is less than a set value of a gas supplementation device after gas leakage, the gas supplementation device will automatically start a gas supplementation solenoid valve to carry out the gas supplementation till the internal gas density of the equipment reaches the set value.

Description

A kind of tonifying Qi of SF6 electric equipment intelligents and micro- water monitoring device
Technical field
The invention belongs to SF6 technical field of electric equipment, the more particularly to a kind of tonifying Qi of SF6 electric equipment intelligents are supervised with micro- water Survey device.
Background technology
SF6 electrical equipments in power system the advantages of taking up an area little, safe and reliable because being widely used.But Throughout the year in running, due to the reason such as casing deformation, seal be aging, SF6 electrical equipments often leak air phenomenon, outward Portion's moisture is likely to penetrate into device interior by leak source, causes that gas micro water content is exceeded, insulating properties are reduced, serious to threaten The normal operation of equipment.
Under normal circumstances, equipment occur the gas leakage initial stage can not interruption maintenance immediately, need periodically to carry out artificial tonifying Qi with Micro- water gaging.But the method needs maintainer frequently to take area gas cylinder and the round scene of pipeline, dismounting joint, not only workload Greatly, efficiency is low, and can bring foreign matter, moisture in equipment in misoperation, aggravation equipment deficiency progress, with compared with Big security risk.
The content of the invention
In order to solve the problems of the prior art, it is an object of the invention to provide a kind of SF6 electric equipment intelligents tonifying Qi With micro- water monitoring device, in the case where not needing maintainer frequently to come and go scene, dismounting gas-charging connection, can realize powered Automatic inflating device is detected with micro- water, while by the information transfers such as testing result to monitoring backstage and mobile terminal, realizing remote monitoring.
For achieving the above object, the technical solution used in the present invention is:
A kind of tonifying Qi of SF6 electric equipment intelligents and micro- water monitoring device, including by pipeline SF6 electrical equipments, benefit are connected respectively Metallic cavity X4 of gas cylinder and discarded bottle X3, is provided with gas-detecting device, the gas detection dress in metallic cavity X4 Put including pressure sensor, temperature sensor and micro- water gauge, the pressure sensor, temperature sensor and micro- water gauge Connect with SF6 electrical equipments, on metallic cavity X4 and the pipeline of SF6 electrical equipments magnetic valve V1, metallic cavity are provided with Two-way pipeline is provided between X4 and discarded bottle X3, wherein being provided with magnetic valve V2 in pipeline all the way, is provided with another road pipeline Magnetic valve V4 and vavuum pump D1, on metallic cavity X4 and the tonifying Qi pipeline of tonifying Qi bottle magnetic valve V3 and pressure-reducing valve are disposed with V5。
Further, the SF6 electrical equipments are transported and placed, tonifying Qi bottle, discarded bottle using a single dolly one X3 and metallic cavity X4 are using another transport of dolly two and placement.
Further, the tonifying Qi bottle is two, and one of them is work tonifying Qi bottle X1, and another is standby tonifying Qi bottle X2。
Further, it is provided with Temperature controlled heater H1 outside the work tonifying Qi bottle X1.
Further, the SF6 electrical equipments are connected by flexible pipe with the interface 4 of metallic cavity X4, metallic cavity X4 Interface 1 meets successively magnetic valve V3, pressure-reducing valve V5 and work tonifying Qi bottle X1 by tonifying Qi pipeline, and the interface 2 of metallic cavity X4 leads to Cross connecting line and meet magnetic valve V2 and discarded bottle X3 successively, the interface 3 of metallic cavity X4 clears up pipeline and connects electricity successively by loop Magnet valve V4, vavuum pump D1 and discarded bottle X3.
Further, the gas-detecting device is connected with automatic control module, by pressure sensor, temperature sensor and To automatic control module, data are stored and processed the data transfer of micro- water gauge collection by automatic control module, then Send order control magnetic valve V1, magnetic valve V2, magnetic valve V3 magnetic valve V4, pressure-reducing valve V5 and Temperature controlled heater H1.
Further, the automatic control module connects display module, and display module is used to show that gas-detecting device is adopted The state of the data of collection and the magnetic valve of automatic control module control;The automatic control module is connected by remote monitoring module Monitoring backstage and mobile terminal.
Further, dolly two is divided into from top to bottom three layers, and upper strata is automatic control module, tonifying Qi bottle and display module, Lower floor is discarded bottle X3, and middle level is provided with tool box, be provided with rain-proof outside common tool and tonifying Qi pipeline, dolly two for depositing Cover.
Further, the dolly one, dolly two are respectively provided with earthing or grounding means.
Further, the material of the tonifying Qi pipeline is flexible alloys material.
Compared with prior art, the present invention has advantages below:
When SF6 electrical equipments gas leakage to density value is less than making-up air device setting value, making-up air device will be automatically opened up the present invention Tonifying Qi magnetic valve, starts tonifying Qi, until device interior gas density reaches specified value.Before tonifying Qi, by vacuumizing into luggage Put sealing property detection and loop cleaning;After tonifying Qi, periodic measurement SF6 electrical equipment gas micro water contents.Whole process need not Maintainer participates in, and without repeated disassembled and assembled gas-charging connection, saves human and material resources, improves operating efficiency, while reducing human users The improper security risk brought.
Meanwhile, the parameter such as gas density, micro-water content, storage pressure can synchronously on the spot, monitoring backstage and mobile phone Client shows that tonifying Qi start and stop and abnormal conditions warning can be sent to mobile phone and be reminded with note pattern, it is not necessary to periodically Scene is gone to check, operation just can grasp SF6 electrical equipments and making-up air device real-time status with maintainer, and can be right in time Abnormal conditions are responded and processed.
Additionally, providing sufficient data foundation for overhaul of the equipments arrangement, power off time can be effectively reduced, while avoiding not The major accident for causing is overhauled in time.
Description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the module map of the present invention.
Specific embodiment
The present invention is further described with reference to embodiment.
As shown in Figure 1-2, a kind of tonifying Qi of SF6 electric equipment intelligents and micro- water monitoring device, including being connected respectively by pipeline Metallic cavity X4 of SF6 electrical equipments, tonifying Qi bottle and discarded bottle X3 is connect, gas detection dress is provided with metallic cavity X4 Put, the gas-detecting device includes pressure sensor, temperature sensor and micro- water gauge, the pressure sensor, temperature Sensor and micro- water gauge are connected with SF6 electrical equipments, are provided with metallic cavity X4 and the pipeline of SF6 electrical equipments Magnetic valve V1, is provided with two-way pipeline between metallic cavity X4 and discarded bottle X3, wherein it is provided with magnetic valve V2 in pipeline all the way, separately It is provided with magnetic valve V4 and vavuum pump D1 in pipeline all the way, vavuum pump D1 discharges the waste gas in tonifying Qi pipeline and other impurities; Magnetic valve V3 and pressure-reducing valve V5, the material of the tonifying Qi pipeline are disposed with metallic cavity X4 and the tonifying Qi pipeline of tonifying Qi bottle For flexible alloys material, aging the brought gas leakage risk of material is efficiently avoid, increased the service life.
The SF6 electrical equipments are transported and placed, tonifying Qi bottle, discarded bottle X3 and wire chamber using a single dolly one Body X4 is using another transport of dolly two and placement.Connected by flexible pipe between two dollies, convenient scene is transported and laid.
The tonifying Qi bottle is two, and one of them is work tonifying Qi bottle X1, and another is standby tonifying Qi bottle X2.The work Temperature controlled heater H1 is provided with outside effect tonifying Qi bottle X1, so that cold snap being capable of normally tonifying Qi.
The SF6 electrical equipments are connected by flexible pipe with the interface 4 of metallic cavity X4, and the interface 1 of metallic cavity X4 passes through Tonifying Qi pipeline meets successively magnetic valve V3, pressure-reducing valve V5 and work tonifying Qi bottle X1, and the interface 2 of metallic cavity X4 passes through connecting line Magnetic valve V2 and discarded bottle X3 is met successively, and waste gas and other impurities in tonifying Qi pipeline etc. is discharged storage to waste gas by vavuum pump D1 In bottle X3, it is to avoid to environment, the interface 3 of metallic cavity X4 clears up pipeline and meets magnetic valve V4, very successively by loop Empty pump D1 and discarded bottle X3.
The gas-detecting device is connected with automatic control module, by the detection of pressure sensor, temperature sensor and micro- water To automatic control module, data are stored and processed the data transfer of device collection by automatic control module, then send order Control magnetic valve V1, magnetic valve V2, magnetic valve V3, magnetic valve V4, pressure-reducing valve V5 and Temperature controlled heater H1, it is described to automatically control mould Block can realize that automatic inflating device is examined with micro- water according to the process of sensor detection data and analysis, the opening and closing for controlling each magnetic valve Survey;
The automatic control module connects display module, and display module is used to showing data that gas-detecting device is gathered and automatically The state of the magnetic valve of control module control;Display module is touch-screen;The automatic control module passes through remote monitoring module Connection monitoring backstage and mobile terminal.Automatic control module is the PLC of Siemens's model S7-200, according to setting cycle with connect The sensor values for receiving control the start and stop of tonifying Qi magnetic valve, realize automatic inflating device with micro- water periodic detection.
The gas-detecting device is used to detect micro- water, gas pressure and temperature in SF6 electrical equipments, and by testing result It is transferred to automatic control module;The automatic control module is used to receiving, store and processing all kinds of detection datas, and sends order Control magnetic valve V1, magnetic valve V2, magnetic valve V3 magnetic valve V4, the start and stop of pressure-reducing valve V5 and Temperature controlled heater H1;The vacuum Pump D1 places branch road is used to discharge the waste gas and other impurities in tonifying Qi pipeline, while being used for pipeline sealing propertytest;It is described aobvious Show module for showing each status information;The remote monitoring module is used to display content to be transferred to monitoring backstage and move on the spot Dynamic terminal, is easy to remote operation and data monitoring, inquiry and other analyses, while can lead to tonifying Qi information etc. in note form Know mobile terminal, i.e. mobile phone.
The present invention measures gas pressure P and real time temperature t using pressure, temperature sensor, using gas in SF6 electrical equipments Body state parameter equation calculates pressure value of the gas at 20 DEG C in SF6 electrical equipments, is transferred to automatic control module and sets Definite value compares, the pressure value category for controlling the opening and closing of tonifying Qi magnetic valve, when wherein pressure, temperature sensor obtain 20 DEG C of gas In prior art.
Micro- water gauge is relative using high-precision alumina humidity sensor measurement SF6 inside electric appliance SF6 gases Humidity, and humidity value when being converted to 20 DEG C with correction formula, are transferred to automatic control module and are monitored, and judge micro-water content It is whether exceeded, wherein humidity value when micro- water gauge obtains 20 DEG C of gas belongs to prior art.
When the present invention is used, before automatic inflating device operation first, system carries out self-inspection and clears up with loop, magnetic valve V1, V2, V3 Close, magnetic valve V4 is opened, vavuum pump D1 is vacuumized to closing pipe line, reach setting vacuum and kept, to test benefit Device of air self seal performance, when device cannot pass through self-inspection, is connected to the self-inspection indicator lamp flicker of automatic control module, together When send abnormal alarm;
Under normal condition, magnetic valve V1 is opened, and magnetic valve V2, V3, V4 are closed, when the gas density for detecting is less than pressure alarm During value, magnetic valve V3 is opened, and work carries out tonifying Qi with tonifying Qi bottle X1 to SF6 electrical equipments;Equipment is reached when mending to gas density During rated pressure value, magnetic valve V3 is closed;
When carrying out micro- water detection according to setting cycle, it is first turned on magnetic valve V2 and is vented to setting time, ensures micro- water test Authenticity, be then shut off magnetic valve V2, carry out micro- water detection and testing result be transferred to into automatic control module;
Show the data of each sensor detection on display module in real time, the data include pressure, the temperature of gas in SF6 electrical equipments The measured value and alarming value of pressure in degree, micro-water content, SF6 electrical equipments, while superfeed pressure value, pressure alarm can be carried out Value, between micro- water alarming value, tonifying Qi bottle pressure alarming value, vacuum alarming value, tonifying Qi frequency interval alarms value and micro- water gaging Set every parameters such as, micro- water gaging evacuation times.
Remote monitoring module is by tonifying Qi information and micro- water exception, the tonifying Qi frequency is exceeded, storage pressure is low, self diagnosis is reported to the police Notify that mobile phone, easy access personnel are timely responded to, process abnormal conditions in note form etc. abnormal conditions.
Dolly two is divided into from top to bottom three layers, and upper strata is automatic control module, tonifying Qi bottle and display module, and lower floor is discarded Bottle X3, middle level is provided with tool box, be provided with rain cover outside common tool and tonifying Qi pipeline, dolly two for depositing.
The dolly one, dolly two are respectively provided with earthing or grounding means, on the one hand prevent source-drain, even more in order to cancellation element exists The induced electricity produced on metal shell in substation.Miscellaneous part on dolly one, dolly two is all solid by metal bolts It is scheduled on carriage frame, therefore only needs dolly one and dolly two that earthing or grounding means is set.
The above is only the preferred embodiment of the present invention, it should be pointed out that:For the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (10)

1. a kind of tonifying Qi of SF6 electric equipment intelligents and micro- water monitoring device, it is characterised in that:Including being connected respectively by pipeline Metallic cavity X4 of SF6 electrical equipments, tonifying Qi bottle and discarded bottle X3, in the metallic cavity X4 gas-detecting device is provided with, The gas-detecting device includes pressure sensor, temperature sensor and micro- water gauge, the pressure sensor, TEMP Device and micro- water gauge are connected with SF6 electrical equipments, and on metallic cavity X4 and the pipeline of SF6 electrical equipments electromagnetism is provided with Valve V1, is provided with two-way pipeline between metallic cavity X4 and discarded bottle X3, wherein being provided with magnetic valve V2, Ling Yilu in pipeline all the way Magnetic valve V4 and vavuum pump D1 is provided with pipeline, on metallic cavity X4 and the tonifying Qi pipeline of tonifying Qi bottle magnetic valve is disposed with V3 and pressure-reducing valve V5.
2. SF6 electric equipment intelligents according to claim 1 tonifying Qi and micro- water monitoring device, it is characterised in that:The SF6 Electrical equipment is transported and placed using a single dolly one, and tonifying Qi bottle, discarded bottle X3 and metallic cavity X4 adopt another Dolly two is transported and placed.
3. SF6 electric equipment intelligents according to claim 1 tonifying Qi and micro- water monitoring device, it is characterised in that:The benefit Gas cylinder is two, and one of them is work tonifying Qi bottle X1, and another is standby tonifying Qi bottle X2.
4. SF6 electric equipment intelligents according to claim 3 tonifying Qi and micro- water monitoring device, it is characterised in that:The work Temperature controlled heater H1 is provided with outside effect tonifying Qi bottle X1.
5. SF6 electric equipment intelligents according to claim 3 tonifying Qi and micro- water monitoring device, it is characterised in that:The SF6 Electrical equipment is connected by flexible pipe with the interface 4 of metallic cavity X4, and the interface 1 of metallic cavity X4 connects successively electricity by tonifying Qi pipeline Magnet valve V3, pressure-reducing valve V5 and work tonifying Qi bottle X1, the interface 2 of metallic cavity X4 by connecting line connect successively magnetic valve V2 with Discarded bottle X3, the interface 3 of metallic cavity X4 clears up pipeline and meets magnetic valve V4, vavuum pump D1 and discarded bottle X3 successively by loop.
6. SF6 electric equipment intelligents according to claim 4 tonifying Qi and micro- water monitoring device, it is characterised in that:The gas Body detection means is connected with automatic control module, and the data that pressure sensor, temperature sensor and micro- water gauge are gathered are passed Automatic control module is transported to, data are stored and processed by automatic control module, then send order control magnetic valve V1, electricity Magnet valve V2, magnetic valve V3 magnetic valve V4, pressure-reducing valve V5 and Temperature controlled heater H1.
7. SF6 electric equipment intelligents according to claim 6 tonifying Qi and micro- water monitoring device, it is characterised in that:It is described from Dynamic control module connects display module, and display module is used to show the data and automatic control module control that gas-detecting device is gathered The state of the magnetic valve of system;The automatic control module connects monitoring backstage and mobile terminal by remote monitoring module.
8. SF6 electric equipment intelligents according to claim 7 tonifying Qi and micro- water monitoring device, it is characterised in that:Dolly two It is divided into three layers from top to bottom, upper strata is automatic control module, tonifying Qi bottle and display module, lower floor is discarded bottle X3, and middle level is provided with Tool box, be provided with rain cover outside common tool and tonifying Qi pipeline, dolly two for depositing.
9. SF6 electric equipment intelligents according to claim 2 tonifying Qi and micro- water monitoring device, it is characterised in that:It is described little Che Yi, dolly two are respectively provided with earthing or grounding means.
10. SF6 electric equipment intelligents according to claim 1 tonifying Qi and micro- water monitoring device, it is characterised in that:The benefit The material of air pipe is flexible alloys material.
CN201611232719.3A 2016-12-28 2016-12-28 Intelligent gas supplementation and mini-amount water monitoring device for SF6 electrical equipment Pending CN106647605A (en)

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Cited By (8)

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CN107943120A (en) * 2017-12-26 2018-04-20 郑州赛奥电子股份有限公司 A kind of on-line automatic density regulating apparatus of SF6
CN108105585A (en) * 2017-11-29 2018-06-01 广东电网有限责任公司惠州供电局 A kind of real-time monitoring making-up air device and supplementing method for air for GIS device storage
CN108594916A (en) * 2018-06-29 2018-09-28 上海乐研电气有限公司 A kind of making-up air device and supplementing method for air of SF6 electrical equipments
CN109030749A (en) * 2018-09-04 2018-12-18 广东电网有限责任公司 Automatically mechanism of qi structure, gas-detecting device and SF are taken6Gas on-line detecting system
CN111624301A (en) * 2020-04-27 2020-09-04 国网河北省电力有限公司衡水供电分公司 Gas information detection method and system and terminal equipment
CN113669619A (en) * 2021-08-20 2021-11-19 国网浙江省电力有限公司检修分公司 SF6 air supply device and SF6 air supply method
CN114324754A (en) * 2021-12-27 2022-04-12 国网山东省电力公司潍坊供电公司 Intelligent SF6Gas integrated detection system and detection method
CN114321705A (en) * 2021-12-31 2022-04-12 国网山东省电力公司潍坊供电公司 SF (sulfur hexafluoride)6Gas charging device

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CN109030749A (en) * 2018-09-04 2018-12-18 广东电网有限责任公司 Automatically mechanism of qi structure, gas-detecting device and SF are taken6Gas on-line detecting system
CN111624301A (en) * 2020-04-27 2020-09-04 国网河北省电力有限公司衡水供电分公司 Gas information detection method and system and terminal equipment
CN113669619A (en) * 2021-08-20 2021-11-19 国网浙江省电力有限公司检修分公司 SF6 air supply device and SF6 air supply method
CN113669619B (en) * 2021-08-20 2022-12-27 国网浙江省电力有限公司检修分公司 SF6 gas supplementing device and SF6 gas supplementing method
CN114324754A (en) * 2021-12-27 2022-04-12 国网山东省电力公司潍坊供电公司 Intelligent SF6Gas integrated detection system and detection method
CN114321705A (en) * 2021-12-31 2022-04-12 国网山东省电力公司潍坊供电公司 SF (sulfur hexafluoride)6Gas charging device

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Address before: 211102, Jiangsu, Jiangning Development Zone, Nanjing, the source of the road, No. 58, -5

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Application publication date: 20170510