CN109405980A - A kind of three function integration intelligent monitoring device of transformer - Google Patents
A kind of three function integration intelligent monitoring device of transformer Download PDFInfo
- Publication number
- CN109405980A CN109405980A CN201710721133.1A CN201710721133A CN109405980A CN 109405980 A CN109405980 A CN 109405980A CN 201710721133 A CN201710721133 A CN 201710721133A CN 109405980 A CN109405980 A CN 109405980A
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- Prior art keywords
- sensor
- shell
- reader
- antenna
- transformer
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Classifications
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- 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
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of three function integration intelligent monitoring devices of transformer, including reader, shell, sensor antenna, pressure relief valve, mark pipe, float, connecting rod, oil temperature sensor, feeder line and fuel level sensor, the outside of the shell is arranged in the reader, is provided with reader antenna on the reader；Observation window is offered on the side wall of the shell；The top of the shell offers antenna installing hole；The top of the shell is arranged in the pressure relief valve；The mark pipe is arranged in the shell；The upper and lower side of the connecting rod is connected with mark pipe and float correspondingly；The bottom of the float is arranged in the oil temperature sensor；One end of the feeder line is connected with the sensor antenna, and the other end is connected with the oil temperature sensor and fuel level sensor respectively.Three function integration intelligent monitoring device of transformer of the invention, has the characteristics that structure is simple, monitoring function is comprehensive, integrated level is high, convenient for installation and maintenance.
Description
Technical field
The present invention relates to a kind of intelligent transformer monitoring devices, and in particular to a kind of three function integration of transformer intelligence prison
Device is surveyed, by temperature of oil in transformer monitoring, oil level monitoring and three kinds of function integrations of pressure release guard.
Background technique
The oil temperature of transformer has usually reacted the load of transformer, heat dispersal situations, oil level then reacted transformer sealing,
The non electrical quantities such as leakage of oil situation, oil temperature and oil level monitor extremely important for the safe and reliable operation of oil immersion-type distribution transformer.
Traditional distribution transformer oil temperature monitoring realizes using wired sensing by the way of, and oil level is unable to monitor and (can only be showed by mark
Visualizing inspection), meanwhile, the functions such as oil temperature, oil level detection are all isolated designs, not only electrically, complicated in mechanical structure, but also
There are problems that power supply and signal transmission reliability；Common top dress pipe type oil-level gauge cannot achieve long-range monitoring function.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of three function integration intellectual monitoring of transformer dress is provided
It sets, is based on passive wireless sensor skill by temperature of oil in transformer monitoring, oil level monitoring and three kinds of function integrations of pressure release guard
The Intelligent monitoring device of art has the characteristics that structure is simple, monitoring function is comprehensive, integrated level is high, convenient for installation and maintenance.
Realizing the technical solution of above-mentioned purpose is: a kind of three function integration intelligent monitoring device of transformer, including reads
Device, shell, sensor antenna, pressure relief valve, mark pipe, float, connecting rod, oil temperature sensor, feeder line and fuel level sensor,
In:
The outside of the shell is arranged in the reader, is provided with reader antenna on the reader；
Observation window is offered on the side wall of the shell；
The top of the shell offers antenna installing hole, and the sensor antenna is plugged in the antenna installing hole；
The top of the shell is arranged in the pressure relief valve；
The mark pipe is arranged in the shell；
The outside of the shell is arranged in the float, and is located at the lower section of the shell；
The bottom end of the shell offers connecting rod mounting hole, and the connecting rod is plugged in the connecting rod mounting hole, and described
The upper and lower side of connecting rod is connected with mark pipe and float correspondingly；
The bottom of the float is arranged in the oil temperature sensor；
One end of the feeder line is connected with the sensor antenna, and the other end is passed with the oil temperature sensor and oil level respectively
Sensor is connected；
The fuel level sensor is fixed by the bracket on the housing, and is located at the lower section of the shell.
Above-mentioned three function integration intelligent monitoring device of a kind of transformer, wherein be equipped on the observation window transparent
Glass plate.
Above-mentioned three function integration intelligent monitoring device of a kind of transformer, wherein the oil temperature sensor uses sound table
The passive wireless sensor of wave technology, the top-oil temperature for measuring transformer fuel tank.
Above-mentioned three function integration intelligent monitoring device of a kind of transformer, wherein the fuel level sensor uses sound table
The passive wireless sensor of wave technology, for measuring environment temperature, and for monitor the oil level in oil tank of transformer normally with
Abnormal state.
Above-mentioned three function integration intelligent monitoring device of a kind of transformer, wherein on the mark pipe, connecting rod and float
Offer axially extending bore respectively, the feeder line is successively interspersed in the axially extending bore of the mark pipe, the axially extending bore of connecting rod and floating
In the axially extending bore of son.
Above-mentioned three function integration intelligent monitoring device of a kind of transformer, wherein the reader passes through reader day
Line emits signal；
The sensor antenna receives the signal from the reader, and the signal is passed respectively by the feeder line
It is defeated by the oil temperature sensor and fuel level sensor；
The oil temperature sensor and fuel level sensor issue feedback signal respectively, and the feedback signal passes sequentially through the feedback
Line, sensor antenna and reader antenna are transferred to the reader；
The reader handles the feedback signal of the oil temperature sensor and fuel level sensor respectively, obtains corresponding oil temperature
With the state of oil level.
Above-mentioned three function integration intelligent monitoring device of a kind of transformer, wherein when inside transformer gas pressure liter
Height, when being more than certain threshold value, the pressure relief valve is released stress.
Temperature of oil in transformer monitoring, oil level are monitored and are pressed by three function integration intelligent monitoring device of transformer of the invention
Three kinds of function integrations of power release guard are realized by using the exploitation and integrated structure design of passive wireless sensor technology
The intelligent online monitoring of distribution transformer provides technical support for operation data acquisition, is to be based on passive wireless sensor technology
Intelligent monitoring device, have the characteristics that structure is simple, monitoring function is comprehensive, integrated level is high, convenient for installation and maintenance, not only solve
The existing power supply of traditional wire sensing mode and the inconvenient problem of installation, and substantially increase the integrated level of monitoring device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of three function integration intelligent monitoring device of transformer of the invention；
Fig. 2 is the usage state diagram of three function integration intelligent monitoring device of transformer of the invention.
Specific embodiment
It is right with reference to the accompanying drawing in order to make those skilled in the art be better understood when technical solution of the present invention
Its specific embodiment is described in detail:
Referring to Fig. 1, highly preferred embodiment of the present invention, a kind of three function integration intelligent monitoring device of transformer, including
Reader 101, shell 206, sensor antenna 202, pressure relief valve 201, mark pipe 205, float 207, connecting rod 210, oil temperature
Sensor 208, feeder line 203 and fuel level sensor 209.
The outside of shell 206 is arranged in reader 101, and reader antenna 102 is provided on reader 101；Shell 206
Observation window 204 is offered on side wall, and transparency glass plate is installed on observation window 204；The top of shell 206 offers antenna installation
Hole, sensor antenna 202 are plugged in antenna installing hole；The top of shell 206 is arranged in pressure relief valve 201；Identify pipe 205
It is arranged in shell 206, there are two types of different colours for the lateral surface coating of mark pipe 205；The outer of shell 206 is arranged in float 207
Portion, and it is located at the lower section of shell 206；The bottom end of shell 206 offers connecting rod mounting hole, and connecting rod 210 is plugged on connecting rod mounting hole
It is interior, and the upper and lower side of connecting rod 210 is connected with mark pipe 205 and float 207 correspondingly；The setting of oil temperature sensor 208 is floating
The bottom of son 207；One end of feeder line 203 is connected with sensor antenna 202, the other end respectively with oil temperature sensor 208 and oil level
Sensor 209 is connected；Fuel level sensor 209 is fixed by the bracket on shell 206, and is located at the lower section of shell 206.
Axially extending bore is offered respectively on mark pipe 205, connecting rod 210 and float 207, and feeder line 203 is successively interspersed in mark
In the axially extending bore of the axially extending bore of pipe 205, the axially extending bore of connecting rod 210 and float 207.
Passive wireless sensor of the oil temperature sensor 208 using surface acoustic wave techniques, the top for measuring transformer fuel tank
Layer oil temperature.Fuel level sensor 209 for measuring environment temperature, and is used for using the passive wireless sensor of surface acoustic wave techniques
Monitor oil level in oil tank of transformer normally and abnormal state.
Shell 206 all parts combines the makeup that is connected to form one and sets；Reader 101 wirelessly reads each biography
Sensor data, and teletransmission interface is provided.
Three function integration intelligent monitoring device of a kind of transformer of the invention, working principle are as follows: reader 101 is by readding
It reads device antenna 102 and emits signal；Sensor antenna 202 receives the signal from reader 101, and signal is passed through feeder line 203
It is transferred to oil temperature sensor 208 and fuel level sensor 209 respectively；Signal enters oil temperature sensor 208 and fuel level sensor 209
Afterwards, feedback signal is issued respectively by conversion process of energy, oil temperature sensor 208 and fuel level sensor 209, feedback signal is successively
Reader 102 is transferred to by feeder line 203, sensor antenna 202 and reader antenna 102；Reader 102 handles oil temperature respectively
The feedback signal of sensor 208 and fuel level sensor 209 obtains the state of corresponding oil temperature and oil level.When inside transformer gas
Body pressure rise, when being more than certain threshold value, 201 releases pressure of pressure relief valve plays a protective role.
Referring to Fig. 2, when in use, three function integration intelligent monitoring device 200 of transformer of the invention is mounted directly
On the case lid of transformer 400, oil temperature sensor 208 and fuel level sensor 209 immerse in oil tank of transformer, low-voltage distribution 300
It is mounted on 400 lower section of transformer, reader 101 is mounted on inside low-voltage distribution 300, and reader 101 is guided to by feeder line 103 and read
It reads on device antenna 102.
The bottom of float 207 is arranged in oil temperature sensor 208, for the top-oil temperature of measuring transformer fuel tank, even if oily
Fluctuation also can be measured normally up and down for position；Fuel level sensor 209 is fixed on shell 206, can accurately sense the variation of oil level；With
The variation of oil level, the also variation up and down of float 207, and push mark pipe 205 to move up and down by connecting rod 210 therefore pass through sight
The color for examining the mark pipe 205 that window 204 is seen can also change.
In conclusion three function integration intelligent monitoring device of transformer of the invention, while there is temperature of oil in transformer prison
Brake, oil level function for monitoring and pressure release guard function, are the Intelligent monitoring devices based on passive wireless sensor technology, tool
There is the features such as structure is simple, monitoring function is comprehensive, integrated level is high, convenient for installation and maintenance.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (7)
1. a kind of three function integration intelligent monitoring device of transformer, which is characterized in that including reader, shell, sensor day
Line, pressure relief valve, mark pipe, float, connecting rod, oil temperature sensor, feeder line and fuel level sensor, in which:
The outside of the shell is arranged in the reader, is provided with reader antenna on the reader；
Observation window is offered on the side wall of the shell；
The top of the shell offers antenna installing hole, and the sensor antenna is plugged in the antenna installing hole；
The top of the shell is arranged in the pressure relief valve；
The mark pipe is arranged in the shell；
The outside of the shell is arranged in the float, and is located at the lower section of the shell；
The bottom end of the shell offers connecting rod mounting hole, and the connecting rod is plugged in the connecting rod mounting hole, and the connecting rod
Upper and lower side correspondingly with the mark pipe and float be connected；
The bottom of the float is arranged in the oil temperature sensor；
One end of the feeder line is connected with the sensor antenna, the other end respectively with the oil temperature sensor and fuel level sensor
It is connected；
The fuel level sensor is fixed by the bracket on the housing, and is located at the lower section of the shell.
2. three function integration intelligent monitoring device of a kind of transformer according to claim 1, which is characterized in that the sight
It examines and transparency glass plate is installed on window.
3. three function integration intelligent monitoring device of a kind of transformer according to claim 1, which is characterized in that the oil
Temperature sensor uses the passive wireless sensor of surface acoustic wave techniques, the top-oil temperature for measuring transformer fuel tank.
4. three function integration intelligent monitoring device of a kind of transformer according to claim 1, which is characterized in that the oil
Level sensor uses the passive wireless sensor of surface acoustic wave techniques, for measuring environment temperature, and for monitoring transformer oil
Oil level in case is normally and abnormal state.
5. three function integration intelligent monitoring device of a kind of transformer according to claim 1, which is characterized in that the mark
Know and offer axially extending bore on pipe, connecting rod and float respectively, the feeder line is successively interspersed in the axially extending bore of the mark pipe, connects
In the axially extending bore of bar and the axially extending bore of float.
6. three function integration intelligent monitoring device of a kind of transformer according to claim 1, which is characterized in that
The reader emits signal by reader antenna；
The sensor antenna receives the signal from the reader, and the signal is transferred to respectively by the feeder line
The oil temperature sensor and fuel level sensor；
The feedback signal passes sequentially through the feeder line, sensor antenna and reader antenna and is transferred to the reader；
The reader handles the feedback signal of the oil temperature sensor and fuel level sensor respectively, obtains corresponding oil temperature and oil
The state of position.
7. three function integration intelligent monitoring device of a kind of transformer according to claim 1, which is characterized in that work as transformation
Device internal gas pressure increases, and when being more than certain threshold value, the pressure relief valve is released stress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721133.1A CN109405980A (en) | 2017-08-17 | 2017-08-17 | A kind of three function integration intelligent monitoring device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710721133.1A CN109405980A (en) | 2017-08-17 | 2017-08-17 | A kind of three function integration intelligent monitoring device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109405980A true CN109405980A (en) | 2019-03-01 |
Family
ID=65463326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710721133.1A Pending CN109405980A (en) | 2017-08-17 | 2017-08-17 | A kind of three function integration intelligent monitoring device of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109405980A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913134A (en) * | 2020-07-16 | 2020-11-10 | 沈阳德广电气科技有限公司 | Oil-immersed power transformer on-line monitoring device |
| CN114427900A (en) * | 2021-12-01 | 2022-05-03 | 保定天威互感器有限公司 | Intelligent mutual inductor capable of automatically monitoring oil level and temperature rise and judging fault |
| CN114563046A (en) * | 2022-03-07 | 2022-05-31 | 广东中鹏电气有限公司 | Beautiful intelligent monitor terminal that becomes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030126913A1 (en) * | 2002-01-08 | 2003-07-10 | Spengler Carlos Alberto | Management equipment and method for hydraulic contents |
| CN102226961A (en) * | 2011-04-01 | 2011-10-26 | 江苏省电力公司南京供电公司 | Electrically-charged oil-change device in transformer switch room and application method thereof |
| CN103868618A (en) * | 2014-03-03 | 2014-06-18 | 上海交通大学 | Multi-sensor recognition-based temperature detection system |
| 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 |
-
2017
- 2017-08-17 CN CN201710721133.1A patent/CN109405980A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030126913A1 (en) * | 2002-01-08 | 2003-07-10 | Spengler Carlos Alberto | Management equipment and method for hydraulic contents |
| CN102226961A (en) * | 2011-04-01 | 2011-10-26 | 江苏省电力公司南京供电公司 | Electrically-charged oil-change device in transformer switch room and application method thereof |
| CN103868618A (en) * | 2014-03-03 | 2014-06-18 | 上海交通大学 | Multi-sensor recognition-based temperature detection system |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913134A (en) * | 2020-07-16 | 2020-11-10 | 沈阳德广电气科技有限公司 | Oil-immersed power transformer on-line monitoring device |
| CN114427900A (en) * | 2021-12-01 | 2022-05-03 | 保定天威互感器有限公司 | Intelligent mutual inductor capable of automatically monitoring oil level and temperature rise and judging fault |
| CN114563046A (en) * | 2022-03-07 | 2022-05-31 | 广东中鹏电气有限公司 | Beautiful intelligent monitor terminal that becomes |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190301 |
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| WD01 | Invention patent application deemed withdrawn after publication |