CN106052732A - Integrated oil-immersed transformer oil level temperature pressure sensor - Google Patents
Integrated oil-immersed transformer oil level temperature pressure sensor Download PDFInfo
- Publication number
- CN106052732A CN106052732A CN201610552750.9A CN201610552750A CN106052732A CN 106052732 A CN106052732 A CN 106052732A CN 201610552750 A CN201610552750 A CN 201610552750A CN 106052732 A CN106052732 A CN 106052732A
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- Prior art keywords
- sensor
- temperature
- oil level
- pressure
- oil
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING 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
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING 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
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention provides an integrated oil-immersed transformer oil level temperature pressure sensor. The integrated oil-immersed transformer oil level temperature pressure sensor comprises an outer casing, wherein an inner portion of the outer casing is coaxially provided with a glass pipe, an aluminum pipe is inserted into the glass pipe, an upper end of the aluminum pipe is connected with a buoy indication device, a lower end of the aluminum pipe is connected with a floating cylinder, an upper end of the floating cylinder is fixed with a magnetic ring, an upper end of the outer casing is provided with a pressure releasing valve, the outer casing is provided with an observation window, the outer casing is further sleeved with an annular sensor outer casing, the sensor outer casing is provided with a through hole and is internally provided with a pressure sensor and a temperature sensor, and a circumferential wall of the outer casing is provided with a seven-core aviation socket. According to the integrated oil-immersed transformer oil level temperature pressure sensor, on the basis of an oil level indication and pressure releasing valve, the oil level and temperature sensing function is added, an oil level and temperature are converted into electrical signals which are outputted, so the integrated transformer oil level, temperature and pressure sensor is realized, not only traditional functions of oil level indication and pressure releasing are realized, but also oil level, temperature and pressure sensing functions are realized, and the integrated sensor is convenient to mount.
Description
Technical field
The present invention relates to oil-filled transformer field, particularly relate to a kind of oil-filled transformer oil level temperature, pressure integral type
Sensor.
Background technology
At present, people are during using oil-immersed type transformer, after transformator runs a period of time, and the immersion oil amount of transformator
Will reduce, if the immersion oil amount of transformator is very few, then iron core and the coil of transformator will be overheated, and then affects transformator
Properly functioning, even result in transformator and burn.To this end, people are in order to enable to know in time the immersion oil amount of transformator, often use oil
The immersion oil amount in oil-immersed type transformer measured by position meter, and oil level indicator is installed to inside transformer, when immersion oil amount is very few, and oil level indicator
Buoy will decline, buoy instruction the device instruction on body immediately reduce the most accordingly, people be i.e. available for buoy instruction dress
Put the immersion oil amount knowing inside transformer, to point out staff to add oil mass in time.
The product sensor of existing oil-filled transformer has oil level display transformer and the temperature transmitter of independent function, main
Being used for more than 2500 kilovolt-amperes transformators, composite price is high, and transformator needs individually designed mounting interface and position.To 1500
Oil-immersed distributing transformer below kilovolt-ampere, without the oil level display transformer product being suitable for.
Summary of the invention
It is an object of the invention to provide a kind of oil-filled transformer oil level temperature, pressure integral sensor, on solving
State technical problem.
The technical problem to be solved realizes by the following technical solutions:
A kind of oil-filled transformer oil level temperature, pressure integral sensor, it is characterised in that: include the shell of cylinder
Body, is coaxially arranged with glass tubing inside shell body, glass tubing has been inserted into aluminum pipe, and aluminum pipe upper end connects buoy instruction device, institute
Stating aluminum pipe lower end and connect floating cylinder, the upper end of floating cylinder is fixed with magnet ring, and described shell body upper end arranges pressure relief valve, described
It is provided with watch window on shell body, described shell body is also cased with the outer sensor housing of annular, outer sensor housing is opened
It is provided with through hole, is provided with pressure transducer and temperature sensor in described sensor outer housing body, in the circumferential wall of described shell body
It is additionally provided with seven core aviation sockets.
As preferably, by ring-shaped rubber flat gasket between described shell body upper end and pressure relief valve.
As preferably, being covered with support outside described floating cylinder, pedestal upper end is connected with shell body lower end.
As preferably, described buoy instruction device uses color instruction, pointer instruction or graduation indication.
As preferably, the watch window that shell body is arranged and glass tubing are combined into window, it is simple to observe buoy instruction
Device, such that it is able to judge oil level intuitively.
Floating cylinder under buoyancy, and according to oil level change carry out under fluctuate, and by buoy instruction device show
Showing that oil level changes, pressure relief valve is arranged on shell body upper end, and pressure release, replacing are conveniently.
As preferably, two film chambeies closed, pressure transducer and temperature sensor are set in described sensor outer housing body
Detecting means insert respectively in two die cavitys, die cavity is consisted of heat conductive elastomeric film, pressure transducer and the biography of temperature sensor
After sense portion inserts in two die cavitys respectively, heat conductive elastomeric film forms bag to the detecting means of pressure transducer and temperature sensor
Wrap up in, and the detecting means of pressure transducer and temperature sensor is sealed in inside heat conductive elastomeric film.
As preferably, described heat conductive elastomeric film outer surface is provided with outwardly temperature-sensing particle, and temperature-sensing particle is cone.
As preferably, described heat conductive elastomeric film is to incorporate following composition in carrying silver-bearing copper pellosil and obtain: epoxy novolac glue,
Graphite, bentonite, magnesium soap stone powder, Polyurethane Thermoplastic Elastomer, mass percent shared by each composition is: epoxy novolac glue
2.3%, graphite 5.2%, bentonite 1.6%, magnesium soap stone powder 0.3%, Polyurethane Thermoplastic Elastomer 5.5%, surplus is for carrying silver
Copper pellosil.
As preferably, described load silver-bearing copper pellosil, the mass fraction of institute's silver ion is 1.8%, the matter of institute's copper ions
Amount mark is 1.2%.
Heat conductive elastomeric film is a kind of elastica with thermal conductive resin, by it to pressure transducer and temperature sensor
Detecting means carry out sealing cladding, make the detecting means of pressure transducer and temperature sensor isolate with transformer oil, and can also
Accurate, the sensitiveest enough acquisition oil temperature and oil pressure, the thickness of heat conductive elastomeric film is 0.8-2.2mm, has preferable thermostability and resistance to
Pressure.
The invention has the beneficial effects as follows:
The present invention, on the basis of the instruction of existing oil level and pressure relief valve, increases oil level and temperature sensing function, by oil level
It is signal of telecommunication output with temperature transition so that transformer oil level, temperature, pressure sensor integrated, both there is traditional oil level and referred to
Show function, pressure relief function, there is again oil level, temperature and pressure sensing function, easy for installation.
It is applicable to less than 1500 kilovolt-amperes oil-immersed distributing transformers.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Close specific embodiments and the drawings, the present invention is expanded on further, but following embodiment is only the preferred embodiments of the present invention, not
All.Based on the embodiment in embodiment, those skilled in the art are obtained on the premise of not making creative work
Other embodiments, broadly falls into protection scope of the present invention.
The specific embodiment of the present invention is described below in conjunction with the accompanying drawings.
As it is shown in figure 1,10 kilovolts of oil-filled transformer oil level temperature, pressure integral sensors, including cylindrical shell
Body 4, shell body 4 is internal is coaxially arranged with glass tubing 3, and glass tubing 3 has been inserted into aluminum pipe 8, and aluminum pipe 8 upper end connects buoy instruction dress
Putting, aluminum pipe 8 lower end connects floating cylinder 9, and the upper end of floating cylinder 9 is fixed with magnet ring 11, and shell body 4 upper end arranges pressure relief valve 1,
One circle of pressure relief valve 1 outer wall is evenly equipped with pressure release orifice 2, shell body 4 is provided with watch window, shell body 4 also overlaps
There is the outer sensor housing 6 of annular, outer sensor housing 6 offers through hole 7, be provided with pressure in outer sensor housing 6 and pass
Sensor and temperature sensor, the circumferential wall of shell body 4 is additionally provided with seven core aviation sockets 5, is covered with support outside floating cylinder 9
10, support 10 upper end is connected with shell body 4 lower end.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
The personnel only present invention it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
Preference, be not intended to limit the present invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements both fall within scope of the claimed invention.Claimed scope is by institute
Attached claims and equivalent thereof define.
Claims (8)
1. an oil-filled transformer oil level temperature, pressure integral sensor, it is characterised in that: include the shell body of cylinder,
Being coaxially arranged with glass tubing inside shell body, glass tubing has been inserted into aluminum pipe, and aluminum pipe upper end connects buoy instruction device, described aluminum
Pipe lower end connects floating cylinder, and the upper end of floating cylinder is fixed with magnet ring, and described shell body upper end arranges pressure relief valve, described shell
It is provided with watch window on body, described shell body is also cased with the outer sensor housing of annular, outer sensor housing offers
Through hole, is provided with pressure transducer and temperature sensor, the circumferential wall of described shell body also sets in described sensor outer housing body
It is equipped with seven core aviation sockets.
Oil-filled transformer oil level temperature, pressure integral sensor the most according to claim 1, it is characterised in that: described
By ring-shaped rubber flat gasket between shell body upper end and pressure relief valve.
Oil-filled transformer oil level temperature, pressure integral sensor the most according to claim 1, it is characterised in that: described
Being covered with support outside floating cylinder, pedestal upper end is connected with shell body lower end.
Oil-filled transformer oil level temperature, pressure integral sensor the most according to claim 1, it is characterised in that: described
Buoy instruction device uses color instruction, pointer instruction or graduation indication.
Oil-filled transformer oil level temperature, pressure integral sensor the most according to claim 1, it is characterised in that: described
Arranging two film chambeies closed in sensor outer housing body, the detecting means of pressure transducer and temperature sensor inserts two moulds respectively
Intracavity, die cavity is consisted of heat conductive elastomeric film, and the detecting means of pressure transducer and temperature sensor inserts in two die cavitys respectively
After, heat conductive elastomeric film forms parcel to the detecting means of pressure transducer and temperature sensor, and by pressure transducer and temperature
The detecting means of sensor is sealed in inside heat conductive elastomeric film.
Oil-filled transformer oil level temperature, pressure integral sensor the most according to claim 5, it is characterised in that: described
Heat conductive elastomeric film outer surface is provided with outwardly temperature-sensing particle, and temperature-sensing particle is cone.
Oil-filled transformer oil level temperature, pressure integral sensor the most according to claim 5, it is characterised in that: described
Heat conductive elastomeric film is to incorporate following composition and obtain carrying in silver-bearing copper pellosil: epoxy novolac glue, graphite, bentonite, magnesium soap stone powder,
Polyurethane Thermoplastic Elastomer, mass percent shared by each composition is: epoxy novolac glue 2.3%, graphite 5.2%, bentonite
1.6%, magnesium soap stone powder 0.3%, Polyurethane Thermoplastic Elastomer 5.5%, surplus is for carrying silver-bearing copper pellosil.
Oil-filled transformer oil level temperature, pressure integral sensor the most according to claim 7, it is characterised in that: described
Carrying silver-bearing copper pellosil, the mass fraction of institute's silver ion is 1.8%, and the mass fraction of institute's copper ions is 1.2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552750.9A CN106052732A (en) | 2016-07-13 | 2016-07-13 | Integrated oil-immersed transformer oil level temperature pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552750.9A CN106052732A (en) | 2016-07-13 | 2016-07-13 | Integrated oil-immersed transformer oil level temperature pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106052732A true CN106052732A (en) | 2016-10-26 |
Family
ID=57186341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610552750.9A Pending CN106052732A (en) | 2016-07-13 | 2016-07-13 | Integrated oil-immersed transformer oil level temperature pressure sensor |
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| Country | Link |
|---|---|
| CN (1) | CN106052732A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802174A (en) * | 2017-03-27 | 2017-06-06 | 上海置信电气非晶有限公司 | A kind of liquid level and temperature integral sensor |
| CN106813753A (en) * | 2017-03-27 | 2017-06-09 | 上海置信电气非晶有限公司 | A kind of liquid level, temperature monitoring and pressure release set composite |
| CN107123246A (en) * | 2017-04-10 | 2017-09-01 | 劭行（苏州）智能科技有限公司 | Transformer oil surface temperature and oil condition wireless sensing system |
| CN108492945A (en) * | 2018-05-03 | 2018-09-04 | 江苏神马电力股份有限公司 | insulating sleeve |
| CN110926537A (en) * | 2019-12-08 | 2020-03-27 | 山东电工电气集团智能电气有限公司 | Multifunctional oil-immersed transformer measuring device |
| CN115014440A (en) * | 2022-06-10 | 2022-09-06 | 广东科源电气股份有限公司 | Oil-immersed transformer state monitoring device |
| CN115096407A (en) * | 2022-06-15 | 2022-09-23 | 广东科源电气股份有限公司 | Combined transformer substation state monitoring device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413278Y (en) * | 2000-06-19 | 2001-01-03 | 开平市海鸿变压器有限公司 | Oil Pressure thermometer |
| CN202149803U (en) * | 2011-07-04 | 2012-02-22 | 广州一变电气设备有限公司 | Novel oil level gauge of oil immersed transformer |
| CN203224278U (en) * | 2013-04-11 | 2013-10-02 | 国家电网公司 | Oil-immersed transformer liquid level measuring device |
| CN103559980A (en) * | 2013-11-15 | 2014-02-05 | 宋红庆 | Comprehensive transformer protection device and system |
| CN204831376U (en) * | 2015-08-05 | 2015-12-02 | 郭明皇 | Oil potential temperature sensor |
| CN205940587U (en) * | 2016-07-13 | 2017-02-08 | 安徽皖宏电气设备有限公司 | Oil -immersed transformer oil level temperature pressure integral type sensor |
-
2016
- 2016-07-13 CN CN201610552750.9A patent/CN106052732A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413278Y (en) * | 2000-06-19 | 2001-01-03 | 开平市海鸿变压器有限公司 | Oil Pressure thermometer |
| CN202149803U (en) * | 2011-07-04 | 2012-02-22 | 广州一变电气设备有限公司 | Novel oil level gauge of oil immersed transformer |
| CN203224278U (en) * | 2013-04-11 | 2013-10-02 | 国家电网公司 | Oil-immersed transformer liquid level measuring device |
| CN103559980A (en) * | 2013-11-15 | 2014-02-05 | 宋红庆 | Comprehensive transformer protection device and system |
| CN204831376U (en) * | 2015-08-05 | 2015-12-02 | 郭明皇 | Oil potential temperature sensor |
| CN205940587U (en) * | 2016-07-13 | 2017-02-08 | 安徽皖宏电气设备有限公司 | Oil -immersed transformer oil level temperature pressure integral type sensor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802174A (en) * | 2017-03-27 | 2017-06-06 | 上海置信电气非晶有限公司 | A kind of liquid level and temperature integral sensor |
| CN106813753A (en) * | 2017-03-27 | 2017-06-09 | 上海置信电气非晶有限公司 | A kind of liquid level, temperature monitoring and pressure release set composite |
| CN107123246A (en) * | 2017-04-10 | 2017-09-01 | 劭行（苏州）智能科技有限公司 | Transformer oil surface temperature and oil condition wireless sensing system |
| CN108492945A (en) * | 2018-05-03 | 2018-09-04 | 江苏神马电力股份有限公司 | insulating sleeve |
| CN110926537A (en) * | 2019-12-08 | 2020-03-27 | 山东电工电气集团智能电气有限公司 | Multifunctional oil-immersed transformer measuring device |
| CN115014440A (en) * | 2022-06-10 | 2022-09-06 | 广东科源电气股份有限公司 | Oil-immersed transformer state monitoring device |
| CN115014440B (en) * | 2022-06-10 | 2024-01-05 | 广东科源电气股份有限公司 | Oil immersed transformer state monitoring device |
| CN115096407A (en) * | 2022-06-15 | 2022-09-23 | 广东科源电气股份有限公司 | Combined transformer substation state monitoring device |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |