CN102760557A - Online oil replenishing and draining device for transformer oil conservator - Google Patents
Online oil replenishing and draining device for transformer oil conservator Download PDFInfo
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- CN102760557A CN102760557A CN2012102671618A CN201210267161A CN102760557A CN 102760557 A CN102760557 A CN 102760557A CN 2012102671618 A CN2012102671618 A CN 2012102671618A CN 201210267161 A CN201210267161 A CN 201210267161A CN 102760557 A CN102760557 A CN 102760557A
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Abstract
The invention discloses an online oil replenishing and draining device for a transformer oil conservator, which relates to transformer oil replenishing and draining equipment in an electric system and is used for solving the problems of low manual working efficiency, inaccurate oil replenishment and drainage and influence on the oil quality in an operating process existing in the conventional oil replenishing and draining operation. The online oil replenishing and draining device comprises an oil draining and injecting device and an online oil replenishing and draining control device, wherein the oil draining and injecting device comprises an oil draining chamber and an oil injecting chamber; the oil draining chamber and the oil injecting chamber are connected with each other through a vacuum oil filtering device; the oil draining chamber is communicated with the bottom of the transformer oil conservator through an oil draining pipe; the oil injecting chamber is connected with an oil pump, and is communicated with the top of the transformer oil conservator through an oil injecting pipe; the oil draining pipe and the oil injecting pipe are provided with a first electromagnetic valve and a second electromagnetic valve respectively; and the online oil replenishing and draining control device comprises a singlechip system, an electronic oil temperature meter connected with the singlechip system, a piezoelectric sensor, an ROM (Read Only Memory) and a time display module. Due to the adoption of the online oil replenishing and draining device, working personnel is not required to go to a field for operating, the working efficiency is increased, errors caused by manual estimation of the oil level are avoided, and the one-time operation success rate is increased.
Description
Technical field
the present invention relates to transformer benefit defueling equipment in a kind of electric power system, the online benefit jettison gear of specifically a kind of transformer oil conservator.
Background technology
in electric power system, oil conservator can be kept transformer body oil mass within zone of reasonableness, guarantees the certain safety operation level of transformer.If seepage phenomenon or severe cold situation, then can cause in the oil conservator oil level low excessively, need carry out oil conservator repairing operation; When too high, sweltering hot weather of load and device interior trouble hunting, need carry out the oil conservator operation of draining the oil.Traditional benefit is drained the oil and operated is that manual work is carried out, and has many shortcomings.The first, operating efficiency is lower.Benefit is drained the oil needs a large amount of personnel and repair apparatus, and owing to transformer in the electrical network is numerous, operation expends bigger manpower and materials.Run into the situation of remote transformer station emergency treatment, mend the untimely maintenance accident that also takes place easily of the operation of draining the oil; The second, influence Quality of Transformer Oil.Opening the oiling pipeline inwards during oiling, introduce air inevitably, thereby influence Quality of Transformer Oil; The 3rd, artificial benefit is drained the oil and is based on the temperature that transformer carries---the oil level curve, can not consider that electric load changes the warm influence that changes of the oil that causes, causes the operation inaccuracy.The oil level of oil conservator has rules to require, owing to expand with heat and contract with cold, the oil conservator oil level is along with the scope that the oil temperature changes fluctuation is bigger.Artificial mend to drain the oil be based on temperature---the oil level curve, " temperature " of this curve refers to temperature, is not the oil temperature, can not consider the variation of oil temperature in the oil conservator that load variations causes.For example at the end of spring and the beginning of summer, temperature raises very fast, and corresponding load growth is also very fast, and the transformer heating increases and causes oily temperature rise, and this oily temperature is high more a lot of than temperature, often can reach more than 60 degrees centigrade.Often when underload, inject during at this moment to the oil conservator repairing; The oil mass of injecting met temperature (temperature) from seeing at that time---and the oil level curve requires, but has arrived the situation of hot weather high load capacity soon, and at this moment oily temperature is very high; Oil level often is higher than temperature (temperature)---oil level curve; The too high phenomenon of oil level occurs, need to drain the oil again at short notice, bring the waste of manpower and materials.Treat this situation, generally rule of thumb make estimation, when low temperature, inject and be lower than temperature (temperature)---the oil of oil level curve regulation,, transformer too high when load generate heat and also are unlikely to exceed standard when serious.But, cause error in judgement easily because the oil conservator model differs and the staff lacks experience.
Summary of the invention
the object of the present invention is to provide the online benefit jettison gear of a kind of transformer oil conservator, and the solution tradition is mended the operation manual work of draining the oil and carried out inefficiency, mends the problem of meeting influence oil in drain the oil inaccurate and the operating process.
the technical solution adopted for the present invention to solve the technical problems is: the online benefit jettison gear of transformer oil conservator; Comprise the transformer oil conservator; It is characterized in that also comprise and put oiling device and the online benefit control device of draining the oil, the described oiling device of putting comprises drain the oil chamber and oil-filling cavity; The chamber of draining the oil links to each other through the vacuum oil-filtering apparatus with oil-filling cavity; The chamber of draining the oil communicates through the bottom of drain line with the transformer oil conservator, and oil-filling cavity is connected with oil pump and communicates through the top of oil fuel tube with the transformer oil conservator, is respectively equipped with first electromagnetically operated valve and second electromagnetically operated valve on described drain line and the oil fuel tube; Described online benefit electronic type oil thermometer, piezoelectric transducer, ROM read-only memory and the time showing module that control device comprises SCM system, is connected with SCM system of draining the oil; Piezoelectric transducer is divided into first piezoelectric transducer and second piezoelectric transducer; First piezoelectric transducer and electronic type oil thermometer are located in the transformer oil conservator, second piezoelectric transducer be located at drain the oil indoor; Described first electromagnetically operated valve, second electromagnetically operated valve, vacuum oil-filtering apparatus and oil pump are through the drain the oil control device control of online benefit.
the invention has the beneficial effects as follows: need not the staff to execute-in-place, improved operating efficiency.The error of having avoided artificial estimation oil level to cause has improved the operation once success rate.In operating process, do not have air and get in the oil conservator, guaranteed oily quality.
Description of drawings
Fig. 1 is a structured flowchart of the present invention,
Fig. 2 is the online benefit control device sketch map of draining the oil.
Embodiment
are like Fig. 1; Shown in Figure 2, the online benefit jettison gear of transformer oil conservator comprises the transformer oil conservator; Also comprise and put oiling device and the online benefit control device of draining the oil; The described oiling device of putting comprises drain the oil chamber and oil-filling cavity, and the chamber of draining the oil links to each other through the vacuum oil-filtering apparatus with oil-filling cavity, and the chamber of draining the oil communicates through the bottom of drain line with the transformer oil conservator; Oil-filling cavity is connected with oil pump and communicates through the top of oil fuel tube with the transformer oil conservator, is respectively equipped with first electromagnetically operated valve and second electromagnetically operated valve on described drain line and the oil fuel tube; Described online benefit electronic type oil thermometer, piezoelectric transducer, ROM read-only memory and the time showing module that control device comprises SCM system, is connected with SCM system of draining the oil; Piezoelectric transducer is divided into first piezoelectric transducer and second piezoelectric transducer; First piezoelectric transducer and electronic type oil thermometer are located in the transformer oil conservator, second piezoelectric transducer be located at drain the oil indoor; Described first electromagnetically operated valve, second electromagnetically operated valve, vacuum oil-filtering apparatus and oil pump are through the drain the oil control device control of online benefit.
use: earlier store temperature (the temperature)-oil level curve (this curve can obtain) of transformer and temperature of oil in transformer-time graph (this curve can obtain through complicate statistics) data, the data as a reference in former years on the ROM read-only memory in online benefit is drained the oil the SCM system of control device from the specification of this transformer.First piezoelectric transducer is gathered the oil level information in the transformer oil conservator and through the A/D conversion equipment signal is passed to SCM system; The electronic type oil thermometer is gathered the current oil temperature value of transformer oil conservator and signal is passed to SCM system; SCM system calculates the oil temperature that collects and is converted into the temperature value, compares with transformer temperature (temperature)-oil level curve on the ROM read-only memory and judges whether current oil level is too high or too low.Oily temperature is converted into temperature, and to carry out computation purpose be in order to consider the influence of oil temperature, can to avoid like this judging the deviation that oil level just causes through current temperature merely.If oil level exceeds standard, then further compare with the oily temperature-date curve data in former years, according to recent oil temperature tendency, convert out the temperature additional amount, according to this additional amount calculate needs mend into or the oil mass of emitting and indicate benefit, oil level that the back of draining the oil arrives.For example load reduction in following five days is very fast, and oily temperature drop is low more, and then oiling this moment will be injected more oil.
are if oil level is too high; Then SCM system sends signal and opens first electromagnetically operated valve; Oil in the transformer oil conservator is injected the chamber of draining the oil through drain line, and in the process of draining the oil, first piezoelectric transducer in the transformer oil conservator passes to SCM system with the oil level of sensing; After arriving the oil level that calculates, SCM system is closed first electromagnetically operated valve and is stopped to drain the oil.
are if oil level is low excessively; Then SCM system sends signal and opens second electromagnetically operated valve; Start oil pump simultaneously the oil in the oil-filling cavity is passed through in the oil fuel tube injection transformer oil conservator, in the oiling process, first piezoelectric transducer in the transformer oil conservator passes to SCM system with the oil level of sensing; After arriving the oil level that calculates, SCM system is closed second electromagnetically operated valve and oil pump stops oiling.
second piezoelectric transducer indoor oil level signal of will draining the oil passes to SCM system; After the indoor oil level of draining the oil reaches regulation numerical value; Be generally 2/3 of the chamber volume of draining the oil; SCM system starts will drain the oil oil in the chamber of vacuum oil-filtering apparatus and filters the back and import in the oil-filling cavity, supplies repairing next time to use.
the present invention can realize mending automatically draining the oil, and need not the staff to execute-in-place, has improved operating efficiency, in benefit is drained the oil process, also need not to open oil pipe, avoids introducing air, has improved the oiling quality.Owing to the employing SCM system is measured contrast to data, realize accurately mending draining the oil that it is inaccurate to avoid the appearance benefit to drain the oil, need the problem of repeatable operation
Claims (1)
1.
The online benefit jettison gear of transformer oil conservator; Comprise the transformer oil conservator; It is characterized in that also comprise and put oiling device and the online benefit control device of draining the oil, the described oiling device of putting comprises drain the oil chamber and oil-filling cavity; The chamber of draining the oil links to each other through the vacuum oil-filtering apparatus with oil-filling cavity; The chamber of draining the oil communicates through the bottom of drain line with the transformer oil conservator, and oil-filling cavity is connected with oil pump and communicates through the top of oil fuel tube with the transformer oil conservator, is respectively equipped with first electromagnetically operated valve and second electromagnetically operated valve on described drain line and the oil fuel tube; Described online benefit electronic type oil thermometer, piezoelectric transducer, ROM read-only memory and the time showing module that control device comprises SCM system, is connected with SCM system of draining the oil; Piezoelectric transducer is divided into first piezoelectric transducer and second piezoelectric transducer; First piezoelectric transducer and electronic type oil thermometer are located in the transformer oil conservator, second piezoelectric transducer be located at drain the oil indoor; Described first electromagnetically operated valve, second electromagnetically operated valve, vacuum oil-filtering apparatus and oil pump are through the drain the oil control device control of online benefit
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102671618A CN102760557A (en) | 2012-07-31 | 2012-07-31 | Online oil replenishing and draining device for transformer oil conservator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102671618A CN102760557A (en) | 2012-07-31 | 2012-07-31 | Online oil replenishing and draining device for transformer oil conservator |
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| CN102760557A true CN102760557A (en) | 2012-10-31 |
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| CN2012102671618A Pending CN102760557A (en) | 2012-07-31 | 2012-07-31 | Online oil replenishing and draining device for transformer oil conservator |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325531A (en) * | 2013-06-27 | 2013-09-25 | 甘肃省电力公司检修公司 | Intelligent oil level indicating device |
| CN104596614A (en) * | 2014-12-30 | 2015-05-06 | 吴江变压器有限公司 | Horizontal capsule oil storage cabinet oil level measuring method based on oil temperatures |
| CN105097204A (en) * | 2015-08-27 | 2015-11-25 | 安徽西高电气设备有限公司 | Self-test transformer |
| CN105428028A (en) * | 2015-12-18 | 2016-03-23 | 国网浙江慈溪市供电公司 | Online oil change device |
| CN106128726A (en) * | 2016-08-05 | 2016-11-16 | 国家电网公司 | Loaded switch automatic air eliminator |
| CN108594874A (en) * | 2018-06-13 | 2018-09-28 | 卧龙电气银川变压器有限公司 | A kind of transformer static pressure tank automatic oil recharging device |
| CN108806935A (en) * | 2018-06-20 | 2018-11-13 | 国网江苏省电力有限公司泰州供电分公司 | A kind of oiling transformer device |
| CN109166691A (en) * | 2018-08-28 | 2019-01-08 | 国网新疆电力有限公司伊犁供电公司 | Transformer oil level regulating device |
| CN109581535A (en) * | 2018-12-06 | 2019-04-05 | 国网辽宁省电力有限公司锦州供电公司 | Power transformer pump type oil bolt detection method |
| CN110108423A (en) * | 2019-06-06 | 2019-08-09 | 中国启源工程设计研究院有限公司 | A kind of oil tank of transformer Oil Leakage Detecting method |
| CN110379597A (en) * | 2019-06-04 | 2019-10-25 | 岭东核电有限公司 | The online oil-supplementing system of nuclear power station oil-immersed transformer and online oil supplement method |
| CN110634652A (en) * | 2019-10-10 | 2019-12-31 | 徐州柏兴电子有限公司 | Automatic oil supplementing device for transformer |
| CN110739128A (en) * | 2019-10-10 | 2020-01-31 | 徐州柏兴电子有限公司 | oil-immersed transformer oil supplementing device |
| CN111785486A (en) * | 2020-06-17 | 2020-10-16 | 国网浙江省电力有限公司绍兴供电公司 | Online automatic oiling method and device for transformer in operation at low oil level |
| CN112461330A (en) * | 2020-11-02 | 2021-03-09 | 国网湖南省电力有限公司 | Oil level state judgment method and system for metal corrugated oil conservator transformer |
| CN113539647A (en) * | 2021-06-11 | 2021-10-22 | 国网河北省电力有限公司灵寿县供电分公司 | Uninterrupted oil filtering device and method for on-load voltage regulation switch oil tank of transformer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5794812A (en) * | 1980-12-05 | 1982-06-12 | Fuji Electric Co Ltd | Oil level control method of hydraulic tank for emergent use |
| CN2232791Y (en) * | 1995-05-24 | 1996-08-14 | 重庆锋渝真空滤油机厂 | Full automatic computerized vacuum oil filter |
| CN2727445Y (en) * | 2004-09-02 | 2005-09-21 | 重庆渝能滤油机制造有限公司 | Vacuum oil pumping and filling device |
| CN201392708Y (en) * | 2009-03-16 | 2010-01-27 | 华北电网有限公司北京超高压公司 | Automatic oil recharging system |
| CN202132682U (en) * | 2011-06-28 | 2012-02-01 | 深圳市元征软件开发有限公司 | Cleaning and oil-changing device of automatic gearbox |
| CN202148935U (en) * | 2011-07-05 | 2012-02-22 | 潍坊耐普特燃气发电设备有限公司 | Automatic oil change device for container type gas driven power generator group |
| CN202771910U (en) * | 2012-07-31 | 2013-03-06 | 山东电力集团公司济南供电公司 | Transformer oil storage tank for online oil supplement device |
-
2012
- 2012-07-31 CN CN2012102671618A patent/CN102760557A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5794812A (en) * | 1980-12-05 | 1982-06-12 | Fuji Electric Co Ltd | Oil level control method of hydraulic tank for emergent use |
| CN2232791Y (en) * | 1995-05-24 | 1996-08-14 | 重庆锋渝真空滤油机厂 | Full automatic computerized vacuum oil filter |
| CN2727445Y (en) * | 2004-09-02 | 2005-09-21 | 重庆渝能滤油机制造有限公司 | Vacuum oil pumping and filling device |
| CN201392708Y (en) * | 2009-03-16 | 2010-01-27 | 华北电网有限公司北京超高压公司 | Automatic oil recharging system |
| CN202132682U (en) * | 2011-06-28 | 2012-02-01 | 深圳市元征软件开发有限公司 | Cleaning and oil-changing device of automatic gearbox |
| CN202148935U (en) * | 2011-07-05 | 2012-02-22 | 潍坊耐普特燃气发电设备有限公司 | Automatic oil change device for container type gas driven power generator group |
| CN202771910U (en) * | 2012-07-31 | 2013-03-06 | 山东电力集团公司济南供电公司 | Transformer oil storage tank for online oil supplement device |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325531A (en) * | 2013-06-27 | 2013-09-25 | 甘肃省电力公司检修公司 | Intelligent oil level indicating device |
| CN104596614A (en) * | 2014-12-30 | 2015-05-06 | 吴江变压器有限公司 | Horizontal capsule oil storage cabinet oil level measuring method based on oil temperatures |
| CN104596614B (en) * | 2014-12-30 | 2018-03-16 | 吴江变压器有限公司 | Horizontal capsule oil conservator oil level assay method based on oil temperature |
| CN105097204A (en) * | 2015-08-27 | 2015-11-25 | 安徽西高电气设备有限公司 | Self-test transformer |
| CN105428028A (en) * | 2015-12-18 | 2016-03-23 | 国网浙江慈溪市供电公司 | Online oil change device |
| CN106128726A (en) * | 2016-08-05 | 2016-11-16 | 国家电网公司 | Loaded switch automatic air eliminator |
| CN108594874A (en) * | 2018-06-13 | 2018-09-28 | 卧龙电气银川变压器有限公司 | A kind of transformer static pressure tank automatic oil recharging device |
| CN108806935A (en) * | 2018-06-20 | 2018-11-13 | 国网江苏省电力有限公司泰州供电分公司 | A kind of oiling transformer device |
| CN109166691A (en) * | 2018-08-28 | 2019-01-08 | 国网新疆电力有限公司伊犁供电公司 | Transformer oil level regulating device |
| CN109166691B (en) * | 2018-08-28 | 2023-10-03 | 国网新疆电力有限公司伊犁供电公司 | Transformer oil level adjusting device |
| CN109581535A (en) * | 2018-12-06 | 2019-04-05 | 国网辽宁省电力有限公司锦州供电公司 | Power transformer pump type oil bolt detection method |
| CN110379597A (en) * | 2019-06-04 | 2019-10-25 | 岭东核电有限公司 | The online oil-supplementing system of nuclear power station oil-immersed transformer and online oil supplement method |
| CN110108423A (en) * | 2019-06-06 | 2019-08-09 | 中国启源工程设计研究院有限公司 | A kind of oil tank of transformer Oil Leakage Detecting method |
| CN110634652A (en) * | 2019-10-10 | 2019-12-31 | 徐州柏兴电子有限公司 | Automatic oil supplementing device for transformer |
| CN110739128A (en) * | 2019-10-10 | 2020-01-31 | 徐州柏兴电子有限公司 | oil-immersed transformer oil supplementing device |
| CN111785486A (en) * | 2020-06-17 | 2020-10-16 | 国网浙江省电力有限公司绍兴供电公司 | Online automatic oiling method and device for transformer in operation at low oil level |
| CN112461330A (en) * | 2020-11-02 | 2021-03-09 | 国网湖南省电力有限公司 | Oil level state judgment method and system for metal corrugated oil conservator transformer |
| CN113539647A (en) * | 2021-06-11 | 2021-10-22 | 国网河北省电力有限公司灵寿县供电分公司 | Uninterrupted oil filtering device and method for on-load voltage regulation switch oil tank of transformer |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20121029 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121029 Address after: 250012 Shandong Province, Lixia District of Ji'nan City Luoyuan Street No. 238 Applicant after: Jinan Power Supply Co., Ltd. of Shandong Electric Power Corporation Applicant after: State Grid Corporation of China Address before: 250012 Shandong Province, Lixia District of Ji'nan City Luoyuan Street No. 238 Applicant before: Jinan Power Supply Co., Ltd. of Shandong Electric Power Corporation |
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| C10 | Entry into substantive examination | ||
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| C05 | Deemed withdrawal (patent law before 1993) | ||
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Application publication date: 20121031 |