CN112050862A - Suspended transformer oil tank state parameter acquisition device - Google Patents
Suspended transformer oil tank state parameter acquisition device Download PDFInfo
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- CN112050862A CN112050862A CN202011045544.1A CN202011045544A CN112050862A CN 112050862 A CN112050862 A CN 112050862A CN 202011045544 A CN202011045544 A CN 202011045544A CN 112050862 A CN112050862 A CN 112050862A
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- oil tank
- oil
- buoy
- communication unit
- connecting part
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- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012806 monitoring device Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention relates to an oil tank monitoring device, in particular to a suspended transformer oil tank state parameter acquisition device, which comprises an oil level detection unit, an oil temperature detection unit, an oil level detection unit, an oil temperature detection unit and a data output interface, and is characterized by also comprising an oil tank connecting part, wherein the oil tank connecting part is a cylindrical device with an opening at the bottom; when the device works, the laser ranging device measures the vertical displacement of the buoy to reflect the change of the oil level, and the device has the advantages of small size, multiple functions, compact structure, easiness in maintenance, low installation and transformation cost, strong expandability and the like.
Description
Technical Field
The invention relates to an oil tank monitoring device, in particular to a suspension type transformer oil tank state parameter acquisition device.
Background
In order to ensure safe production, parameters such as oil level and temperature of a transformer oil tank need to be accurately grasped, and then a targeted safety control measure can be adopted to ensure safe operation of related equipment. In the prior art, the state parameter acquisition device of the transformer oil tank has the defects of complex structure, dispersed arrangement and insufficient real-time measurement precision, and the existing device also has the defects of inconvenient maintenance and the like due to the fact that the transformer oil tank is closed.
Disclosure of Invention
The invention aims to provide a suspension type transformer oil tank state parameter acquisition device which is compact in structure, simple to maintain and high in measurement accuracy.
The technical scheme for achieving the purpose of the invention is as follows.
A suspended transformer oil tank state parameter acquisition device comprises an oil level detection unit, an oil temperature detection unit and a communication unit, wherein the oil level detection unit and the oil temperature detection unit are both electrically connected with the communication unit, the communication unit is provided with a data output interface, the suspended transformer oil tank state parameter acquisition device also comprises an oil tank connecting part, the oil tank connecting part is a cylindrical device with an opening at the bottom, a detection device mounting frame is arranged in an inner cavity of the oil tank connecting part,
the oil level detection unit comprises a cylindrical filter cylinder with an opening at the top, a buoy and a laser ranging device, the cylindrical filter cylinder is vertically arranged, filter holes are formed in the cylinder bottom and the cylinder wall of the cylindrical filter cylinder, the buoy is arranged inside the cylindrical filter cylinder, the external size of the buoy is matched with the inner diameter of the cylindrical filter cylinder, the laser ranging device is electrically connected with the communication unit and is arranged on the detection device mounting frame, the top of the cylindrical filter cylinder is connected with the bottom of the connecting part of the oil tank,
the oil temperature detection unit comprises an infrared temperature measuring device which is electrically connected with the communication unit, the infrared temperature measuring device is arranged on the detection device mounting frame,
the data output interface is arranged on the wall of the oil tank connecting part;
during operation, the parameter acquisition device passes through the oil tank connecting portion and installs at the top of transformer tank, and data output interface is located the transformer tank outside, and the cylindricality is strained a section of thick bamboo and is partly soaked under the transformer oil level, and the buoy floats on the oil level, and the buoy goes up and down and rise in the cylindricality is strained a section of thick bamboo along with the oil level risees, and laser rangefinder measures the vertical displacement of buoy and reflects the oil level change to give communication unit with data transmission, infrared temperature measuring device measures the temperature of buoy, and gives communication unit with data transmission.
Further, a high-thermal-conductivity material is distributed on the outer surface of the buoy. The oil temperature can be conveniently and rapidly transferred to the buoy, the infrared temperature measuring device is ensured to obtain the oil body temperature in real time, and the data acquisition sensitivity is improved.
Further, the top of the oil tank connecting part is provided with an air pressure safety valve, and the air pressure safety valve is communicated with the inner cavity of the oil tank connecting part and the air outside the oil tank connecting part. When the air pressure safety valve works, the air pressure safety valve is used for releasing the air pressure at the top in the transformer oil tank, and the safety of the transformer oil tank is enhanced.
Further, still include baroceptor, baroceptor and communication unit electricity are connected and set up the inner chamber at oil tank connecting portion. When in operation, the pressure gauge is used for measuring the air pressure at the top of the transformer oil tank.
Further, still include temperature, humidity transducer is connected and is set up the inner chamber at the oil tank connecting portion with the communication unit electricity. When in work, the air temperature and humidity sensor is used for measuring the air temperature and humidity at the top of the transformer oil tank.
Further, the oil tank connecting part is a spiral device or a flange.
When the device is used, the device is installed at the top of the transformer oil tank, the sealing performance between the oil tank connecting part and the transformer oil tank is ensured, the cylindrical filter cylinder is semi-immersed under the oil surface in the transformer oil tank, oil enters the cylindrical filter cylinder through the filter hole until the oil surface inside and outside the filter cylinder is consistent, the buoy rises in the filter cylinder under the action of buoyancy, the laser ranging device obtains data of oil level change through measuring the vertical displacement of the buoy, the infrared temperature measuring device measures the temperature of the buoy to obtain the temperature of an oil body in the oil tank, and related data are transmitted to an upper computer or a control center through a data output interface of a communication unit to be processed so as to realize safety monitoring.
The suspended transformer oil tank state parameter acquisition device has the following whole or partial technical effects that firstly, the structure is simple, the fault rate is low, only the cylindrical filter cylinder of the suspended transformer oil tank state parameter acquisition device is half immersed below the oil surface, and various parameters are acquired in a non-contact mode, so that a measuring instrument is prevented from being stained, and the maintainability of equipment is improved; secondly, the installation and transformation cost is low, the installation hole is formed in the top of the existing transformer oil tank, and the device is inserted into the installation hole, so that the real-time intelligent acquisition of state parameters such as the oil level and the oil temperature of the transformer oil tank can be realized; the invention adopts the laser distance measuring device to achieve the purpose of measuring the oil level, has small volume and high precision, and can obtain data in real time; fourthly, the expandability is strong, the invention provides the data output interface, can adopt wired output or wireless output, the network deployment is flexible.
Drawings
FIG. 1 is an external structural view of an embodiment of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
In the figure, 1, a gas pressure safety valve; 2. an oil tank connecting part; 3. a cylindrical filter cartridge; 4. a float; 5. a laser ranging device; 6. an infrared temperature measuring device; 7. a seal ring; 8. and a data output interface.
Detailed Description
The invention is described in detail with reference to the following examples, and other embodiments obtained by equivalent substitution of the descriptions in the figures and the examples by those skilled in the art are within the scope of the invention.
Referring to fig. 1 and 2, a suspension type transformer oil tank state parameter acquisition device comprises an oil level detection unit, an oil temperature detection unit and a communication unit, wherein the oil level detection unit and the oil temperature detection unit are electrically connected with the communication unit, the communication unit is provided with a data output interface 8, the suspension type transformer oil tank state parameter acquisition device further comprises an oil tank connecting part 2, the oil tank connecting part 2 is a cylindrical device with an opening at the bottom, a detection device mounting frame is arranged in an inner cavity of the oil tank connecting part, threads are arranged on the outer wall of the lower part of the oil tank connecting part,
the oil level detection unit comprises a cylindrical filter cylinder 3, a buoy 4 and a laser ranging device 5, the cylindrical filter cylinder 3 is vertically arranged, the top of the cylindrical filter cylinder is provided with an opening, filter holes are formed in the bottom and the wall of the cylindrical filter cylinder, the buoy 4 is arranged inside the cylindrical filter cylinder 3, the external size of the buoy 4 is matched with the inner diameter of the cylindrical filter cylinder 3, the buoy 4 is restricted by the cylindrical filter cylinder and can only vertically lift, a high-heat-conductivity material is distributed on the outer surface of the buoy 4, the laser ranging device 5 is electrically connected with a communication unit and is arranged on a detection device mounting frame, the top of the cylindrical filter cylinder 3 is connected with the bottom of the oil tank connecting part 2, the oil temperature detection unit comprises an infrared temperature measurement device which; the data output interface 7 is arranged on the cylinder wall in the middle of the oil tank connecting part, in the embodiment, the air pressure safety valve 1 is arranged at the top of the oil tank connecting part 2, and when the air pressure safety valve 1 works, the air in the cylindrical filter cylinder 3 and the air outside the transformer oil tank are communicated; in this embodiment, the inner cavity of the oil tank connecting part 2 is further provided with an air pressure sensor and a temperature and humidity sensor electrically connected with the communication unit.
When the parameter acquisition device is used, a hole is formed at the top of the transformer oil tank, an internal thread matched with the thread of the outer wall at the lower part of the oil tank connecting part 2 is arranged in the hole, the oil tank connecting part 2 is screwed into the hole, the sealing ring 7 is utilized to ensure the sealing performance between the oil tank connecting part 2 and the transformer oil tank, so that the cylindrical filter cylinder 3 is half immersed under the oil surface in the transformer oil tank, oil enters the cylindrical filter cylinder 3 through the filter holes until the oil surface inside and outside the filter cylinder is consistent, the buoy 4 rises in the filter cylinder under the action of buoyancy, the laser distance measuring device 5 obtains the data of oil level change by measuring the vertical displacement of the buoy 4, the infrared temperature measuring device measures the temperature of the buoy 4 to obtain the temperature of the oil body in the oil tank, and the air pressure sensor and the temperature and humidity sensor obtain the air pressure, temperature and humidity data of the top in the oil tank, the data are transmitted to an upper computer or a control center through a data output interface 8 of the communication unit for processing so as to realize safety monitoring.
The floated transformer tank state parameter collection system of this embodiment can realize the oil level oil temperature, the detection of air pressure, humidity in the oil tank, and a plurality of functions are integrated in an organic whole, compact structure, and is small, and the good reliability, characteristics such as measured data sensitivity height have the installation of being convenient for and maintain, can realize rapidly the intelligent transformation of the state parameter collection data to current transformer tank.
Claims (7)
1. A suspended transformer oil tank state parameter acquisition device comprises an oil level detection unit, an oil temperature detection unit and a communication unit, wherein the oil level detection unit and the oil temperature detection unit are both electrically connected with the communication unit, the communication unit is provided with a data output interface, and the suspended transformer oil tank state parameter acquisition device is characterized by also comprising an oil tank connecting part which is a cylindrical device with an opening at the bottom, a detection device mounting frame is arranged in an inner cavity of the oil tank connecting part,
the oil level detection unit comprises a cylindrical filter cylinder with an opening at the top, a buoy and a laser ranging device, the cylindrical filter cylinder is vertically arranged, filter holes are formed in the cylinder bottom and the cylinder wall of the cylindrical filter cylinder, the buoy is arranged inside the cylindrical filter cylinder, the external size of the buoy is matched with the inner diameter of the cylindrical filter cylinder, the laser ranging device is electrically connected with the communication unit and is arranged on the detection device mounting frame, the top of the cylindrical filter cylinder is connected with the bottom of the connecting part of the oil tank,
the oil temperature detection unit comprises an infrared temperature measuring device which is electrically connected with the communication unit, the infrared temperature measuring device is arranged on the detection device mounting frame,
the data output interface is arranged on the wall of the oil tank connecting part;
during operation, the parameter acquisition device passes through the oil tank connecting portion and installs at the top of transformer tank, and data output interface is located the transformer tank outside, and the cylindricality is strained a section of thick bamboo and is partly soaked under the transformer oil level, and the buoy floats on the oil level, and the buoy goes up and down and rise in the cylindricality is strained a section of thick bamboo along with the oil level risees, and laser rangefinder measures the vertical displacement of buoy and reflects the oil level change to give communication unit with data transmission, infrared temperature measuring device measures the temperature of buoy, and gives communication unit with data transmission.
2. The device for acquiring the state parameters of the suspended transformer oil tank as claimed in claim 1, wherein a material with high thermal conductivity is arranged on the outer surface of the buoy.
3. The device for acquiring the state parameters of the suspended transformer oil tank as claimed in claim 1, wherein a pneumatic safety valve is arranged at the top of the oil tank connecting part, and the pneumatic safety valve is communicated with air inside and outside the oil tank connecting part.
4. The device for acquiring the state parameters of the suspended transformer oil tank as claimed in claim 1, further comprising an air pressure sensor electrically connected with the communication unit and disposed in an inner cavity of the oil tank connecting portion.
5. The device for acquiring the state parameters of the suspended transformer oil tank as claimed in claim 1, further comprising a temperature sensor electrically connected with the communication unit and disposed in an inner cavity of the oil tank connecting portion.
6. The device for acquiring the state parameters of the suspended transformer oil tank as claimed in claim 1, further comprising a humidity sensor electrically connected with the communication unit and disposed in an inner cavity of the oil tank connecting portion.
7. The device for acquiring the state parameters of the suspended transformer oil tank as claimed in claim 1, wherein the oil tank connecting part is a spiral device or a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011045544.1A CN112050862A (en) | 2020-09-29 | 2020-09-29 | Suspended transformer oil tank state parameter acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011045544.1A CN112050862A (en) | 2020-09-29 | 2020-09-29 | Suspended transformer oil tank state parameter acquisition device |
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| CN112050862A true CN112050862A (en) | 2020-12-08 |
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| CN202011045544.1A Pending CN112050862A (en) | 2020-09-29 | 2020-09-29 | Suspended transformer oil tank state parameter acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018367A (en) * | 2021-11-04 | 2022-02-08 | 广东电网有限责任公司 | Transformer oil conservator oil level monitoring device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0974018A (en) * | 1995-09-06 | 1997-03-18 | Hitachi Ltd | Immersed transformer with monitor |
| CN101074889A (en) * | 2007-06-14 | 2007-11-21 | 南京航空航天大学 | Float laser liquid-level measuring device |
| 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 |
| CN110243824A (en) * | 2019-06-25 | 2019-09-17 | 深圳供电局有限公司 | The detection device of oil-immersed type transformer |
| CN210014826U (en) * | 2019-06-27 | 2020-02-04 | 广东电网有限责任公司 | Tubular intelligent oil level indicator of transformer |
| CN210051405U (en) * | 2019-07-25 | 2020-02-11 | 西安交通大学 | Liquid level sensor adopting laser ranging technology |
| 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 |
| CN212340324U (en) * | 2020-09-29 | 2021-01-12 | 桂林天湖水利电业设备有限公司 | Suspended transformer oil tank state parameter acquisition device |
-
2020
- 2020-09-29 CN CN202011045544.1A patent/CN112050862A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0974018A (en) * | 1995-09-06 | 1997-03-18 | Hitachi Ltd | Immersed transformer with monitor |
| CN101074889A (en) * | 2007-06-14 | 2007-11-21 | 南京航空航天大学 | Float laser liquid-level measuring device |
| 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 |
| CN110243824A (en) * | 2019-06-25 | 2019-09-17 | 深圳供电局有限公司 | The detection device of oil-immersed type transformer |
| CN210014826U (en) * | 2019-06-27 | 2020-02-04 | 广东电网有限责任公司 | Tubular intelligent oil level indicator of transformer |
| CN210051405U (en) * | 2019-07-25 | 2020-02-11 | 西安交通大学 | Liquid level sensor adopting laser ranging technology |
| 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 |
| CN212340324U (en) * | 2020-09-29 | 2021-01-12 | 桂林天湖水利电业设备有限公司 | Suspended transformer oil tank state parameter acquisition device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018367A (en) * | 2021-11-04 | 2022-02-08 | 广东电网有限责任公司 | Transformer oil conservator oil level monitoring device |
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