CN115754249A - On-line monitoring system for micro-water content in transformer oil - Google Patents
On-line monitoring system for micro-water content in transformer oil Download PDFInfo
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- CN115754249A CN115754249A CN202211320428.5A CN202211320428A CN115754249A CN 115754249 A CN115754249 A CN 115754249A CN 202211320428 A CN202211320428 A CN 202211320428A CN 115754249 A CN115754249 A CN 115754249A
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Abstract
The application relates to the technical field of electrical equipment monitoring, in particular to an online monitoring system for micro-water content in transformer oil, which has the technical scheme that: the device comprises a detection module and a control module, wherein the detection module comprises an oil temperature acquisition unit, a micro-water acquisition unit and a parameter acquisition unit; the oil temperature acquisition unit is used for acquiring the real-time temperature of the transformer oil; the micro-water collection unit is used for collecting the moisture content of the transformer oil; the parameter acquisition unit is used for detecting the voltage and the current of the low-voltage side of the transformer; the control module comprises a signal transmission unit for receiving signals acquired by the oil temperature acquisition unit, the micro-water acquisition unit and the parameter acquisition unit, a main control unit for processing the signals, and an adjusting unit for controlling the working state of the transformer; this application has and carries out real-time detection to the transformer equipment of operation, improves the maintenance efficiency of transformer, and then quick accurate maintains appointed transformer, avoids unnecessary danger to appear.
Description
Technical Field
The invention relates to the technical field of electrical equipment monitoring, in particular to an online monitoring system for micro-water content in transformer oil.
Background
Along with the gradual expansion of the structure of electric power industry and the continuous improvement of voltage equipment grade, the maintenance of transformer is more and more important, and wherein moisture monitoring in the transformer oil has become the important detection part in the transformer maintenance, the water content in the oil has essential decision function in the safe operation of transformer, the content of moisture plays decisive influence to the insulating nature of transformer oil, too much water content in the oil will accelerate the ageing of insulating material, and reduce insulating nature, and then lead to the unstability and the potential danger of equipment operation, can lead to the coil to produce electric arc ring and short circuit phenomenon when moisture content is big, can explode even under some circumstances.
Therefore, the content of dissolved gas and micro water in the transformer oil can be known on line in time, premature or unnecessary power failure tests and maintenance can be reduced, and the maintenance workload is reduced. Meanwhile, the maintenance cost can be reduced, the pertinence of maintenance is improved, and dangerous events can be avoided.
Disclosure of Invention
In order to solve the technical problem, the invention provides an online monitoring system for the micro-water content in transformer oil.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the system comprises a detection module and a control module, wherein the detection module is used for detecting the transformer oil in real time and transmitting a detection signal to the control module, and the control module is used for receiving the detection signal transmitted by the detection module and analyzing and processing the signal;
the detection module comprises an oil temperature acquisition unit, a micro-water acquisition unit and a parameter acquisition unit;
the oil temperature acquisition unit is used for acquiring the real-time temperature of the transformer oil;
the micro-water collection unit is used for collecting the moisture content of the transformer oil;
the parameter acquisition unit is used for detecting the voltage and the current of the low-voltage side of the transformer;
the control module comprises a signal transmission unit for receiving signals acquired by the oil temperature acquisition unit, the micro-water acquisition unit and the parameter acquisition unit, a main control unit for processing the signals, and an adjusting unit for controlling the working state of the transformer.
Preferably, a signal processing module, a signal conversion module and a data processing module are arranged in the main control unit, the signal processing module receives the detection signal of the signal transmission unit and transmits the detection signal to the signal conversion module, the signal conversion module converts the received analog signal into a digital signal, and the data processing module performs data analysis on the received digital signal and outputs an analysis result.
Preferably, the main control unit further includes a central processing unit, the central processing unit is configured to receive a processing signal of the data processing module and determine the signal, the adjusting unit includes an instruction signal for receiving the central processing unit, and the adjusting unit includes a signal receiving assembly and a relay assembly.
Preferably, the signal transmission unit is configured as a wireless communication module, and the wireless communication module is used for remote communication.
Preferably, the oil temperature acquisition unit is set as a temperature sensor, the temperature sensors are provided with a plurality of temperature sensors, the micro-water acquisition unit is set as a micro-water sensor, and the parameter acquisition unit is set as a voltage current sensor.
Preferably, the control module further comprises a plurality of sub-control units, the sub-control units are used for detecting the working state of each sensor, and the sub-control units comprise a plurality of state detection sensors.
Preferably, the control module further comprises an alarm unit, the alarm unit is used for receiving an alarm signal of the central processing unit, the alarm unit comprises an alarm lamp and a buzzer, the alarm lamp is turned on when the acquired data of the transformer oil is abnormal, and the buzzer sounds at the same time.
Preferably, the system comprises a remote monitoring platform, wherein the remote monitoring platform is used for being in communication connection with the control module, and the remote monitoring platform is used for monitoring the working state of the transformer oil in real time.
The invention has the beneficial effects that:
1. the temperature and the water content of the transformer oil are detected in real time through the arrangement of a plurality of sensors, the detected data are transmitted to the data processing module, and the data processing module is used for carrying out data analysis on the received digital signals; the central processing unit judges and processes the output result, detects whether the transformer oil contains water or not and whether the temperature of the transformer oil is changed violently or not, and then sends out an alarm signal in time to inform maintenance personnel to carry out emergency repair;
2. through the adjusting unit who sets up, when detecting transformer oil trouble, after alarm signal sends, utilize the relay assembly to carry out timely outage processing to transformer circuit for transformer circuit breaks off rapidly, and then avoids unnecessary danger.
Drawings
FIG. 1 is a block diagram of an embodiment of the present application;
FIG. 2 is a block diagram of a control module according to an embodiment of the present disclosure;
fig. 3 is a block diagram of a main control unit according to an embodiment of the present application.
Wherein, 1, detecting module; 11. an oil temperature acquisition unit; 12. a micro water collecting unit; 13. a parameter acquisition unit; 2. a control module; 21. a wireless communication module; 22. a main control unit; 221. a signal processing module; 222. a signal conversion module; 223. a data processing module; 224. a central processing unit; 23. an adjustment unit; 24. a sub-control unit; 25. an alarm unit; 251. an alarm lamp; 252. a buzzer; 3. and (5) a remote monitoring platform.
Detailed Description
In order to enhance the understanding of the present invention, the present invention will be described in further detail with reference to the following examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
Example (b):
referring to fig. 1 to 3, the system for monitoring the micro water content in the transformer oil comprises a detection module 1 and a control module 2, the detection module 1 is used for detecting the working state of the transformer oil in real time, a detection signal is transmitted to the control module 2 for data processing, and the data is used for analyzing the working state of the transformer oil.
The detection module 1 comprises an oil temperature acquisition unit 11, a micro-water acquisition unit 12 and a parameter acquisition unit 13, wherein the oil temperature acquisition unit 11 is used for acquiring the real-time temperature of the transformer oil, the micro-water acquisition unit 12 is used for acquiring the moisture content of the transformer oil, and the parameter acquisition unit 13 is used for detecting the voltage and the current of the low-voltage side of the transformer. The voltage and current are detected in real time from the external environment and the internal environment, and the detected analog signals are transmitted to the control module 2.
The control module 2 comprises a signal transmission unit, a main control unit 22 and a regulating unit 23, the signal transmission unit is used for receiving the collected signals of the oil temperature collecting unit 11, the micro water collecting unit 12 and the parameter collecting unit 13, the signal transmission unit is set to be a wireless communication module 21, and the wireless communication module 21 is used for remote communication. The signal transmission unit further comprises a main control unit 22 for processing the signals and an adjustment unit 23 for controlling the operating state of the transformer.
Referring to fig. 1 to 3, a signal processing module 221, a signal conversion module 222, a data processing module 223 and a central processing unit 224 are disposed in the main control unit 22, the signal processing module 221 receives the detection signal of the signal transmission unit and transmits the detection signal to the signal conversion module 222, the signal conversion module 222 converts the received analog signal into a digital signal, and the data processing module 223 performs data analysis on the received digital signal. The central processing unit 224 judges and processes the output result, a comparison module is arranged in the central processing unit 224, the acquired signal is compared with the internal parameters of the comparison module, and whether the transformer oil contains water or not and whether the temperature of the transformer oil changes violently or not are detected. The adjusting unit 23 comprises a command signal for receiving the central processing unit, and the adjusting unit 23 comprises a signal receiving assembly and a relay assembly.
The control module 2 further comprises an alarm unit 25, the alarm unit 25 is used for receiving an alarm signal of the central processing unit 224, the alarm unit 25 comprises an alarm lamp 251 and a buzzer 252, the alarm lamp 251 is turned on when the acquired data of the transformer oil is abnormal, and the buzzer 252 makes a sound at the same time.
Referring to fig. 1 to 3, the oil temperature collection unit 11 is provided as a temperature sensor, and the temperature sensor is provided in plurality; the micro-water collection unit 12 is set as a micro-water sensor, and detects the temperature of the transformer oil in real time by using a plurality of temperature sensors, and the micro-water sensor detects the water content in the transformer oil. The detected analog signal is transmitted to the signal conversion module 222 by the signal transmission unit, the analog signal is converted into a digital signal by the signal conversion module 222, the comparison module arranged in the central processing unit 224 compares the acquired signal with the internal parameters of the comparison module, the change of the temperature and the water content of the transformer oil is judged by comparison, and then the central processing unit 224 controls the buzzer 252 to make a sound. The parameter acquisition unit 13 is set as a voltage current sensor, and the voltage current sensor is used for detecting the voltage current of the low-voltage side of the transformer, so that the effect of real-time monitoring is achieved.
The control module 2 further includes a plurality of sub-control units 24, the sub-control units 24 being configured to detect operating states of the respective sensors, the sub-control units 24 including a plurality of state detection sensors. The on-line monitoring system further comprises a remote monitoring platform 3, the remote monitoring platform 3 is used for being in communication connection with the control module 2, and the remote monitoring platform 3 is used for monitoring the working state of the transformer oil in real time.
The above embodiments should not limit the present invention in any way, and all technical solutions obtained by using equivalent substitution or equivalent conversion fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a little water content on-line monitoring system in transformer oil which characterized in that: the transformer oil detection device comprises a detection module (1) and a control module (2), wherein the detection module (1) is used for detecting transformer oil in real time and transmitting a detection signal to the control module (2), and the control module (2) is used for receiving the detection signal transmitted by the detection module (1) and analyzing and processing the signal;
the detection module (1) comprises an oil temperature acquisition unit (11), a micro-water acquisition unit (12) and a parameter acquisition unit (13);
the oil temperature acquisition unit (11) is used for acquiring the real-time temperature of the transformer oil;
the micro-water collecting unit (12) is used for collecting the moisture content of the transformer oil;
the parameter acquisition unit (13) is used for detecting the voltage and the current of the low-voltage side of the transformer;
the control module (2) comprises a signal transmission unit for receiving signals collected by the oil temperature collection unit (11), the micro-water collection unit (12) and the parameter collection unit (13), a main control unit (22) for processing the signals, and an adjusting unit (23) for controlling the working state of the transformer.
2. The system for on-line monitoring of the micro-water content in the transformer oil according to claim 1, wherein: the main control unit (22) is internally provided with a signal processing module (221), a signal conversion module (222) and a data processing module (223), the signal processing module (221) receives the detection signal of the signal transmission unit and transmits the detection signal to the signal conversion module (222), the signal conversion module (222) converts the received analog signal into a digital signal, and the data processing module (223) performs data analysis on the received digital signal and outputs an analysis result.
3. The system for on-line monitoring of the micro-water content in the transformer oil according to claim 2, wherein: the main control unit (22) further comprises a central processing unit (224), the central processing unit (224) is used for receiving the processing signal of the data processing module (223) and judging the signal, the adjusting unit (23) comprises an instruction signal used for receiving the central processing unit (224), and the adjusting unit (23) comprises a signal receiving assembly and a relay assembly.
4. The system for on-line monitoring of the micro-water content in the transformer oil according to claim 1, wherein: the signal transmission unit is set as a wireless communication module (21), and the wireless communication module (21) is used for remote communication.
5. The system for on-line monitoring of the micro-water content in the transformer oil according to claim 1, wherein: the oil temperature acquisition unit (11) is set as a temperature sensor, the temperature sensors are arranged in a plurality of numbers, the micro-water acquisition unit (12) is set as a micro-water sensor, and the parameter acquisition unit (13) is set as a voltage current sensor.
6. The system for on-line monitoring of the micro-water content in the transformer oil according to claim 5, wherein: the control module (2) further comprises a plurality of sub-control units (24), the sub-control units (24) are used for detecting the working states of the sensors, and the sub-control units (24) comprise a plurality of state detection sensors.
7. The system for on-line monitoring of the micro-water content in the transformer oil according to claim 3, wherein: the control module (2) further comprises an alarm unit (25), the alarm unit (25) is used for receiving an alarm signal of the central processing unit (224), the alarm unit (25) comprises an alarm lamp (251) and a buzzer (252), the alarm lamp (251) is turned on when the data collected by the transformer oil is abnormal, and the buzzer (252) makes a sound at the same time.
8. The system for on-line monitoring of the micro-water content in the transformer oil according to claim 1, wherein: the transformer oil monitoring system is characterized by comprising a remote monitoring platform (3), wherein the remote monitoring platform (3) is used for being connected with a control module (2) in a communication mode, and the remote monitoring platform (3) is used for monitoring the working state of transformer oil in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320428.5A CN115754249A (en) | 2022-10-26 | 2022-10-26 | On-line monitoring system for micro-water content in transformer oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211320428.5A CN115754249A (en) | 2022-10-26 | 2022-10-26 | On-line monitoring system for micro-water content in transformer oil |
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| CN115754249A true CN115754249A (en) | 2023-03-07 |
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| CN202211320428.5A Pending CN115754249A (en) | 2022-10-26 | 2022-10-26 | On-line monitoring system for micro-water content in transformer oil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116183774A (en) * | 2023-03-23 | 2023-05-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore platform transformer state monitoring system and method |
| CN117239917A (en) * | 2023-08-28 | 2023-12-15 | 连云港智源电力设计有限公司 | Substation data acquisition and processing device and method |
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2022
- 2022-10-26 CN CN202211320428.5A patent/CN115754249A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116183774A (en) * | 2023-03-23 | 2023-05-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore platform transformer state monitoring system and method |
| CN117239917A (en) * | 2023-08-28 | 2023-12-15 | 连云港智源电力设计有限公司 | Substation data acquisition and processing device and method |
| CN117239917B (en) * | 2023-08-28 | 2024-02-23 | 连云港智源电力设计有限公司 | Substation data acquisition and processing device and method |
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