CN219996278U - Transformer oil storage cabinet monitoring device and monitoring system - Google Patents
Transformer oil storage cabinet monitoring device and monitoring system Download PDFInfo
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- CN219996278U CN219996278U CN202321264480.3U CN202321264480U CN219996278U CN 219996278 U CN219996278 U CN 219996278U CN 202321264480 U CN202321264480 U CN 202321264480U CN 219996278 U CN219996278 U CN 219996278U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 46
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 71
- 238000012216 screening Methods 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a transformer oil storage cabinet monitoring device and a transformer oil storage cabinet monitoring system. The transformer oil storage cabinet monitoring device comprises a double-pressure acquisition unit, an oil temperature acquisition unit and a microcomputer processing unit; the double-pressure acquisition unit and the oil temperature acquisition unit are respectively connected with the oil drain pipe of the oil storage cabinet, and the double-pressure acquisition unit is used for measuring oil pressure values of two measuring points in the oil drain pipe of the oil storage cabinet; the oil temperature acquisition unit is used for acquiring the temperature value of the transformer oil in the oil drain pipe of the oil storage cabinet; the microcomputer processing unit is connected with the double-pressure acquisition unit and the oil temperature acquisition unit, and is used for screening and processing the data acquired by measuring the double-pressure acquisition unit and the oil temperature acquisition unit to obtain result data so as to monitor the working state of transformer oil in the oil storage cabinet. The transformer oil storage cabinet monitoring device adopts a modularized design, so that the situations of measurement, reading deviation and the like in the traditional mechanical measuring method are avoided, and the problem that the transformer oil storage cabinet in the prior art is difficult to accurately monitor in real time is solved.
Description
Technical Field
The utility model relates to the field of oil level monitoring of transformer oil storage cabinets, in particular to a transformer oil storage cabinet monitoring device and a monitoring system.
Background
The transformer oil can expand with heat and contract with cold due to the load, heat dissipation and environmental temperature change of the transformer, the oil level can rise or fall along with the temperature change, the oil level reflects the conditions of sealing and oil leakage of the transformer, and the temperature rise of the oil, the oil level and other non-electric quantity monitoring are very important for safe and reliable operation of the oil-immersed distribution transformer. Most of traditional oil level gauges are pointer oil level gauges, only can observe data on site, and have the problems of high failure rate, difficulty in reading, reading errors and the like, and cannot realize real-time accurate monitoring of a transformer oil storage cabinet.
Disclosure of Invention
The utility model mainly aims to provide a transformer oil storage cabinet monitoring device and a transformer oil storage cabinet monitoring system, which at least solve the problem that the transformer oil storage cabinet in the prior art is difficult to monitor accurately in real time.
In order to achieve the above purpose, the utility model provides a transformer oil storage cabinet monitoring device and a monitoring system.
To achieve the above object, according to one aspect of the present utility model, there is provided a transformer oil tank monitoring device, comprising: the system comprises a double-pressure acquisition unit, an oil temperature acquisition unit and a microcomputer processing unit; the double-pressure acquisition unit is connected with the oil drain pipe of the oil storage cabinet and is used for measuring oil pressure values of two measuring points in the oil drain pipe of the oil storage cabinet; the oil temperature acquisition unit is connected with the oil drain pipe of the oil storage cabinet and is used for acquiring the temperature value of transformer oil in the oil drain pipe of the oil storage cabinet; the microcomputer processing unit is connected with the double-pressure acquisition unit and the oil temperature acquisition unit, and is used for screening and processing the data acquired by measuring the double-pressure acquisition unit and the oil temperature acquisition unit to obtain result data so as to monitor the working state of transformer oil in the oil storage cabinet.
Further, the double-pressure acquisition unit comprises a first pressure sensor and a second pressure sensor, and the first pressure sensor and the second pressure sensor are arranged at intervals according to a preset distance along the length direction of the oil drain pipe of the oil storage cabinet.
Further, the microcomputer processing unit includes: an edge calculation module and a data processing module; the edge calculation module is connected with the double-pressure acquisition unit and the oil temperature acquisition unit and is used for screening the data measured and acquired by the double-pressure acquisition unit and the oil temperature acquisition unit to remove useless data; the data processing module is connected with the edge computing module and is used for computing the data screened and removed by the edge computing module to obtain result data and comparing the result data with a set value to monitor the working state of the transformer oil in the oil storage cabinet.
Further, the transformer oil conservator monitoring device still includes: the digital display unit is connected with the edge calculation module, and the oil pressure value screened by the edge calculation module is displayed in real time through the digital display unit.
Further, the transformer oil conservator monitoring device still includes: the power supply unit is connected with the double-pressure acquisition unit, the oil temperature acquisition unit, the microcomputer processing unit and the digital display unit to supply power to the double-pressure acquisition unit, the oil temperature acquisition unit, the microcomputer processing unit and the digital display unit.
Further, the power supply unit includes: at least one of a lithium battery power supply module, a mains supply module and a solar panel power supply module.
Further, the transformer oil conservator monitoring device still includes: the environment temperature acquisition unit is connected with the oil drain pipe of the oil storage cabinet and the microcomputer processing unit, and is used for acquiring the temperature value of the environment where the oil drain pipe of the oil storage cabinet is located, transmitting the temperature value to the microcomputer processing unit and sending out an overtemperature alarm signal; the microcomputer processing unit is also used for carrying out supplementary screening on the data measured and collected by the double-pressure collecting unit and the oil temperature collecting unit according to the temperature value of the environment where the oil drain pipe of the oil storage cabinet is located.
Further, the temperature probe of the oil temperature acquisition unit is arranged in the oil drain pipe of the oil storage cabinet, and the temperature probe of the environment temperature acquisition unit is arranged in the environment where the outside of the transformer oil storage cabinet monitoring device is located.
Further, the transformer oil conservator monitoring device still includes: and the microcomputer processing unit is connected with the cloud processing platform through the internet of things transmission unit so as to send result data to the cloud processing platform.
According to another aspect of the present utility model, there is provided a transformer oil conservator monitoring system comprising: the transformer oil storage cabinet monitoring device is connected with the cloud processing platform through a wireless network to remotely monitor the working state of transformer oil in the oil storage cabinet.
The utility model provides a transformer oil storage cabinet monitoring device, which comprises: the system comprises a double-pressure acquisition unit, an oil temperature acquisition unit and a microcomputer processing unit; the double-pressure acquisition unit is connected with the oil drain pipe of the oil storage cabinet and is used for measuring oil pressure values of two measuring points in the oil drain pipe of the oil storage cabinet; the oil temperature acquisition unit is connected with the oil drain pipe of the oil storage cabinet and is used for acquiring the temperature value of transformer oil in the oil drain pipe of the oil storage cabinet; the microcomputer processing unit is connected with the double-pressure acquisition unit and the oil temperature acquisition unit, and is used for screening and processing the data acquired by measuring the double-pressure acquisition unit and the oil temperature acquisition unit to obtain result data so as to monitor the working state of transformer oil in the oil storage cabinet. The utility model relates to a transformer oil storage cabinet monitoring system, which comprises: the transformer oil storage cabinet monitoring device is connected with the cloud platform through a wireless network to remotely monitor the working state of transformer oil in the oil storage cabinet. The problem of transformer oil storage cabinet real-time accurate monitoring difficulty among the prior art has been solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of an alternative transformer tank monitoring device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a dual pressure acquisition unit of an alternative transformer tank monitoring device according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a microcomputer processing unit of an alternative transformer tank monitoring device according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a digital display unit of a transformer oil conservator monitoring device according to an alternative embodiment of the present utility model;
FIG. 5 is a schematic diagram of a power supply unit of an alternative transformer tank monitoring device according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of an environmental temperature collection unit of an alternative transformer tank monitoring device according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of an internet of things transmission unit of an alternative transformer oil conservator monitoring device according to an embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a cloud processing platform of an alternative transformer tank monitoring system according to an embodiment of the present utility model.
Wherein the above figures include the following reference numerals:
10. a dual pressure acquisition unit; 11. a first pressure sensor; 12. a second pressure sensor; 20. an oil temperature acquisition unit; 30. a microcomputer processing unit; 31. an edge calculation module; 32. a data processing module; 40. a digital display unit; 50. a power supply unit; 51. a lithium battery power supply module; 52. a mains supply module; 53. a solar panel power supply module; 60. an ambient temperature acquisition unit; 70. the transmission unit of the Internet of things; 80. and a cloud processing platform.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
According to one embodiment of the utility model, a transformer oil storage tank monitoring device comprises a double-pressure acquisition unit 10, an oil temperature acquisition unit 20 and a microcomputer processing unit 30 as shown in fig. 1; the double-pressure acquisition unit 10 is connected with the oil drain pipe of the oil storage cabinet, and the double-pressure acquisition unit 10 is used for measuring oil pressure values of two measuring points in the oil drain pipe of the oil storage cabinet; the oil temperature acquisition unit 20 is connected with an oil drain pipe of the oil storage cabinet, and the oil temperature acquisition unit 20 is used for acquiring the temperature value of transformer oil in the oil drain pipe of the oil storage cabinet; the microcomputer processing unit 30 is connected with the dual-pressure acquisition unit 10 and the oil temperature acquisition unit 20, and the microcomputer processing unit 30 is used for screening and processing the data acquired by measuring the dual-pressure acquisition unit 10 and the oil temperature acquisition unit 20 to obtain result data so as to monitor the working state of transformer oil in the oil storage cabinet. The transformer oil storage cabinet monitoring device adopts a modularized design, so that the situations of measurement, reading deviation and the like caused by floating ball damage, transmission gear abrasion, mechanical jamming, meter dial fouling in the traditional mechanical measuring method are avoided, and the problem of difficulty in real-time accurate monitoring of the transformer oil storage cabinet in the prior art is solved.
In specific implementation, as shown in fig. 2, the dual-pressure acquisition unit 10 includes a first pressure sensor 11 and a second pressure sensor 12, where the first pressure sensor 11 and the second pressure sensor 12 are disposed along the length direction of the oil drain pipe of the oil storage tank at a preset distance interval, and the high-precision dual-pressure sensor is used to acquire pressure signals of two measuring points in the oil drain pipe of the oil storage tank of the transformer in real time.
Further, as shown in fig. 3, the microcomputer processing unit 30 includes an edge calculation module 31 and a data processing module 32; the edge calculation module 31 is connected with the double-pressure acquisition unit 10 and the oil temperature acquisition unit 20, and the edge calculation module 31 is used for screening the data measured and acquired by the double-pressure acquisition unit 10 and the oil temperature acquisition unit 20 to remove useless data; the data processing module 32 is connected with the edge computing module 31, and the data processing module 32 is used for computing the data screened and removed by the edge computing module 31 to obtain result data and comparing the result data with a set value to monitor the working state of the transformer oil in the oil storage tank. The influence of the transformer oil temperature, the transformer load and the like on the density of the transformer oil is fully considered, and the calculation result error caused by the transformer oil temperature, the transformer load and the like is reduced.
Further, as shown in fig. 4, the transformer oil conservator monitoring device further includes a digital display unit 40, the digital display unit 40 is connected with the edge calculation module 31, and the oil pressure value screened by the edge calculation module 31 is displayed in real time through the digital display unit 40, so that errors caused by manual reading are reduced.
In specific implementation, as shown in fig. 5, the transformer oil conservator monitoring device further includes a power supply unit 50, where the power supply unit 50 is connected with the dual-pressure acquisition unit 10, the oil temperature acquisition unit 20, the microcomputer processing unit 30 and the digital display unit 40, so as to supply power to the dual-pressure acquisition unit 10, the oil temperature acquisition unit 20, the microcomputer processing unit 30 and the digital display unit 40, so that the transformer oil conservator monitoring device can work normally under various conditions.
Further, the power supply unit 50 includes at least one of a lithium battery power supply module 51, a utility power supply module 52, and a solar panel power supply module 53.
In specific implementation, as shown in fig. 6, the transformer oil conservator monitoring device further includes an environmental temperature acquisition unit 60, where the environmental temperature acquisition unit 60 is connected with the oil drain pipe of the oil conservator and the microcomputer processing unit 30, and the environmental temperature acquisition unit 60 is used for acquiring a temperature value of an environment where the oil drain pipe of the oil conservator is located and sending the temperature value to the microcomputer processing unit 30, and sending out an overtemperature alarm signal when the environmental temperature exceeds 50 ℃; the microcomputer processing unit 30 is further configured to perform supplementary screening on the data collected by the dual-pressure acquisition unit 10 and the oil temperature acquisition unit 20 according to the temperature value of the environment where the oil drain pipe of the oil storage tank is located, fully consider the influence of the environmental temperature and the like on the density of the transformer oil, and reduce the calculation result error caused by the environmental temperature and the like.
Further, as shown in fig. 7, the temperature probe of the oil temperature acquisition unit 20 is disposed in the oil drain pipe of the oil storage tank, and the temperature probe of the ambient temperature acquisition unit 60 is disposed in the environment outside the transformer oil storage tank monitoring device.
In specific implementation, as shown in fig. 8, the transformer oil conservator monitoring device further includes an internet of things transmission unit 70, and the microcomputer processing unit 30 is connected with the cloud processing platform 80 through the internet of things transmission unit 70 to send result data to the cloud processing platform 80.
According to another embodiment of the utility model, a transformer oil conservator monitoring system comprises a transformer oil conservator monitoring device and a cloud processing platform 80, wherein the transformer oil conservator monitoring device is connected with the cloud processing platform 80 through a wireless network to remotely monitor the working state of transformer oil in an oil conservator. The cloud processing platform can form a graph of the oil level of the transformer oil storage cabinet, the running state of the transformer is judged by combining the transformer load, the oil temperature graph, the environment temperature graph, the transformer oil chromatograph and the like, and when the oil pressure exceeds 5Kpa within 1 hour, the cloud processing platform can send out a pressure change overrun alarm signal, so that a basis is provided for the safe running of the whole life cycle of the transformer. The transformer oil storage cabinet monitoring system can be installed without power failure, normal operation of the transformer is not affected, and real-time online monitoring can be realized reliably after installation: the oil level, the oil pressure, the pressure change curve, the oil pressure abrupt change alarm and the like in the transformer oil storage cabinet can be quantitatively, real-time and wirelessly measured remotely, and the measurement accuracy meets the requirement of oil level judgment. The change of oil in the transformer oil storage cabinet can be well monitored, and an irreplaceable effect is provided for the safe operation of the transformer.
When the transformer oil storage cabinet monitoring system is specifically used, after the installation and the starting of the transformer oil storage cabinet monitoring system are completed, the double-pressure acquisition unit 10, the oil temperature acquisition unit 20 and the environment temperature acquisition unit 60 respectively acquire data such as oil pressure values of two measuring points, transformer oil temperature and environment temperature, and the like, and the pressure data measured by the first pressure sensor 11 is set to be F 1 The height from the horizontal plane of the first pressure sensor 11 to the liquid level of the transformer oil is set to be h 1 The transformer oil density at the height of the first pressure sensor 11 is set to ρ 1 The pressure measured by the second pressure sensor 12 is set to be F 2 Setting the height from the horizontal plane of the second pressure sensor 12 to the liquid level of the transformer oil as h 2 Setting a second pressure sensorTransformer oil density at the height of the vessel 12 is ρ 2 Setting the vertical distance between the first pressure sensor 11 and the second pressure sensor 12 as h 3 Due to h 3 Smaller, so the oil segment between two stations can be regarded as uniform in density, ρ 1 ＝ρ 2 . The microcomputer processing unit 30 firstly screens and filters the acquired data, eliminates useless oil level height and other data, and displays the screened oil pressure value on the digital display unit 40 in real time. The microcomputer processing unit 30 can calculate the pressure according to the pressure calculation formula P=F/S and the liquid pressure formula P=ρghWherein g=9.8 m/s 2 H is known to be 3 For the calibration value, finally calculate the result h 1 Comparing the oil level with a preset value to judge whether the oil level in the transformer oil storage cabinet is normal, and screening and filtering the data and calculating a result h 1 And the comparison result is sent to the cloud processing platform through the internet of things transmission unit for further data processing. A user can remotely observe an oil pressure change curve, an oil level change curve, a pressure change curve and the like in the transformer oil storage cabinet in real time through the cloud processing platform, and can also receive an oil pressure fault alarm signal, an oil level abnormality alarm signal, a pressure change overrun alarm signal and the like sent by the cloud processing platform. The transformer oil storage cabinet monitoring system adopts a modularized design, so that the situations of measurement, reading deviation and the like caused by floating ball damage, transmission gear abrasion, mechanical jamming, meter dial fouling in the traditional mechanical measuring method are avoided, and the problem of difficulty in real-time accurate monitoring of the transformer oil storage cabinet in the prior art is solved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A transformer oil conservator monitoring device, comprising:
the double-pressure acquisition unit (10), the double-pressure acquisition unit (10) is connected with an oil drain pipe of the oil storage cabinet, and the double-pressure acquisition unit (10) is used for measuring oil pressure values of two measuring points in the oil drain pipe of the oil storage cabinet;
the oil temperature acquisition unit (20), the oil temperature acquisition unit (20) is connected with the oil drain pipe of the oil storage cabinet, and the oil temperature acquisition unit (20) is used for acquiring the temperature value of transformer oil in the oil drain pipe of the oil storage cabinet;
the microcomputer processing unit (30), microcomputer processing unit (30) with two pressure acquisition unit (10) with oil temperature acquisition unit (20) all are connected, microcomputer processing unit (30) are used for to two pressure acquisition unit (10) with oil temperature acquisition unit (20) measurement data screening and processing obtain result data in order to monitor the operating condition of transformer oil in the oil storage cabinet.
2. Transformer tank monitoring device according to claim 1, characterized in that the dual pressure acquisition unit (10) comprises a first pressure sensor (11) and a second pressure sensor (12), the first pressure sensor (11) and the second pressure sensor (12) being arranged at intervals of a preset distance along the length direction of the tank drain pipe.
3. Transformer tank monitoring device according to claim 1, characterized in that the microcomputer processing unit (30) comprises:
the edge computing module (31), the said edge computing module (31) is connected with said dual pressure acquisition unit (10) and said oil temperature acquisition unit (20), the said edge computing module (31) is used for screening the data that the said dual pressure acquisition unit (10) and said oil temperature acquisition unit (20) measure and gather in order to reject the useless data;
the data processing module (32), the data processing module (32) with edge calculation module (31) are connected, data processing module (32) are used for to the data after the screening of edge calculation module (31) is rejected carries out calculation processing and obtains result data and compares with the setting value in order to monitor the operating condition of the transformer oil in the oil storage cabinet.
4. A transformer oil conservator monitoring device as set forth in claim 3, further comprising:
the digital display unit (40), the digital display unit (40) is connected with the edge calculation module (31), and the oil pressure value screened by the edge calculation module (31) is displayed in real time through the digital display unit (40).
5. The transformer oil conservator monitoring device of claim 4, further comprising:
the power supply unit (50), power supply unit (50) with two pressure acquisition unit (10), oil temperature acquisition unit (20), microcomputer processing unit (30) with digital display unit (40) all are connected, in order to supply power to two pressure acquisition unit (10), oil temperature acquisition unit (20), microcomputer processing unit (30) with digital display unit (40).
6. Transformer tank monitoring device according to claim 5, characterized in that the power supply unit (50) comprises:
at least one of a lithium battery power supply module (51), a mains power supply module (52) and a solar panel power supply module (53).
7. The transformer tank monitoring device of claim 1, further comprising:
the environment temperature acquisition unit (60), the environment temperature acquisition unit (60) is connected with the oil drain pipe of the oil storage cabinet and the microcomputer processing unit (30), and the environment temperature acquisition unit (60) is used for acquiring the temperature value of the environment where the oil drain pipe of the oil storage cabinet is located and sending the temperature value to the microcomputer processing unit (30) and sending out an overtemperature alarm signal;
the microcomputer processing unit (30) is further used for carrying out supplementary screening on the data measured and collected by the double-pressure collecting unit (10) and the oil temperature collecting unit (20) according to the temperature value of the environment where the oil drain pipe of the oil storage cabinet is located.
8. The transformer oil conservator monitoring device according to claim 7, wherein the temperature probe of the oil temperature acquisition unit (20) is disposed within the oil drain pipe of the oil conservator, and the temperature probe of the ambient temperature acquisition unit (60) is disposed within the environment external to the transformer oil conservator monitoring device.
9. The transformer oil conservator monitoring device of claim 1, further comprising:
the internet of things transmission unit (70), the microcomputer processing unit (30) is connected with the cloud processing platform (80) through the internet of things transmission unit (70) so as to send the result data to the cloud processing platform (80).
10. A transformer oil conservator monitoring system, comprising: the transformer tank monitoring device of any one of claims 1 to 9 and a cloud processing platform (80), the transformer tank monitoring device being connected to the cloud processing platform (80) via a wireless network to remotely monitor the working state of transformer oil in the tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321264480.3U CN219996278U (en) | 2023-05-24 | 2023-05-24 | Transformer oil storage cabinet monitoring device and monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321264480.3U CN219996278U (en) | 2023-05-24 | 2023-05-24 | Transformer oil storage cabinet monitoring device and monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219996278U true CN219996278U (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321264480.3U Active CN219996278U (en) | 2023-05-24 | 2023-05-24 | Transformer oil storage cabinet monitoring device and monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219996278U (en) |
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2023
- 2023-05-24 CN CN202321264480.3U patent/CN219996278U/en active Active
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