CN205229861U - Temperature control system that transformer oil chromatographic monitoring device was held on spot - Google Patents
Temperature control system that transformer oil chromatographic monitoring device was held on spot Download PDFInfo
- Publication number
- CN205229861U CN205229861U CN201520846717.8U CN201520846717U CN205229861U CN 205229861 U CN205229861 U CN 205229861U CN 201520846717 U CN201520846717 U CN 201520846717U CN 205229861 U CN205229861 U CN 205229861U
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- monitoring device
- transformer oil
- spot
- temperature
- control
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a temperature control system that transformer oil chromatographic monitoring device was held on spot, by the temperature detection part, control unit, the heater block is constituteed, all install at the transformer oil chromatographic monitoring device on the spot in the terminal cabinet, through the real -time supervision transformer oil chromatographic monitoring device inside upper portion of terminal cabinet on the spot, the lower part temperature, and calculate its weighted mean, obtain the average temperature value, according to the internal average temperature of cabinet, through work of controlled heating part and the operating condition that stops, when the transformer oil chromatographic monitoring device on the spot in the terminal cabinet during average temperature less than or equal to 15 DEG C, the heater block is heating phase, when detecting the transformer oil chromatographic monitoring device on the spot in the terminal cabinet during average temperature more than or equal to 25 DEG C, the heater block heating work stop, analogize cycle control with this, ensured that the transformer oil chromatographic monitoring device is held on the spot and worked in the temperature range of measuring error timing signal all the time, thereby the operational temperature range of transformer oil chromatographic monitoring device equipment has been expanded, the stability of measure is improved and precision.
Description
Technical field
The utility model belongs to transformer oil chromatographic monitoring equipment field, for improving operating temperature range and the stability of transformer oil chromatographic monitoring device under the severe low temperature environments such as Desert of Gobi.
Background technology
For the medium-and-large-sized Transformer Condition Monitoring in Guangzhou Power equipment of operation, transformer oil chromatographic monitoring device is essential, increasing oil dissolved gas on-Line Monitor Device will be used in the status monitoring of transformer equipment, transformer oil chromatographic monitoring device is held on the spot and is arranged on open air, near transformer body, be connected with transformer body oil circuit with pipeline, regulation in Q/GDW540.2-2010 " converting equipment on-Line Monitor Device inspection specification Part II: Gases Dissolved in Transformer Oil on-Line Monitor Device ", " for transformer oil chromatographic monitoring device test condition and to measure minimum gas in insulating oil be hydrogen, acetylene, ethene, the gas content values such as carbon monoxide, for the demarcation of measuring error, in 15 DEG C of-35 DEG C of temperature ranges ", but under the extreme climate environments such as Desert of Gobi, day and night temperature is large, winter temperature is lower, due to the impact of lower temperature, the measuring accuracy of transformer oil chromatographic monitoring device is declined, transformer oil chromatographic monitoring device false alarm can be caused time serious, directly affect the normal operation of transformer oil chromatographic monitoring device, the temperature control system that a kind of transformer oil chromatographic monitoring device is held on the spot, by temperature detection part, control assembly, heater block forms, by Real-Time Monitoring transformer oil chromatographic monitoring device terminal cabinet internal temperature on the spot, when interior of equipment cabinet temperature is lower than temperature range during device measuring error calibration, this attemperating unit is opened by controlling heater block, close when reaching the temperature range temperature value of measuring error timing signal, make transformer oil chromatographic monitoring device terminal in-cabinet temperature on the spot, all the time in the temperature range of measuring error timing signal, thus extend the operating temperature range of transformer oil chromatographic monitoring device equipment, improve Measurement sensibility and precision.
Summary of the invention
The technical solution of the utility model solves like this: the utility model discloses the temperature control system that a kind of transformer oil chromatographic monitoring device is held on the spot
,by temperature detection part (1), control assembly (2), heater block (3) forms, be installed in transformer oil chromatographic monitoring device on the spot in terminal cabinet, wherein temperature detection part (1), by the first and second temperature sensors being arranged on transformer oil chromatographic monitoring device terminal upper part in cabinet and bottom on the spot, with for signal madulation, the signal processing unit composition of analog output, control assembly (2) is by industrial single-chip microcomputer, with the control driver element driven for control signal power amplification, with the pilot relay composition of a band two-way normally opened contact, heater block (3) is made up of an infrared hot plate, first temperature sensor of temperature detection part (1) and the second temperature sensor, obtain the temperature signal of transformer oil chromatographic monitoring device terminal upper part in cabinet and bottom on the spot respectively, the output terminal of the first temperature sensor, with the output terminal of the second temperature sensor, all be connected with the input end of signal processing unit with cable, signal processing unit passes through signal madulation, analog output, by temperature detection signal to the industrial single-chip microcomputer of control assembly (2), the industrial single-chip microcomputer input end of temperature detection part (1) output terminal cable connection control unit (2), industry single-chip microcomputer is by obtaining rack internal upper part and two, the bottom real-time measured value of temperature sensor, be weighted average computation again, obtain the real-time average temperature value of transformer oil chromatographic monitoring device on the spot in terminal cabinet, the control driver element input end of industrial single-chip microcomputer output terminal cable connection control unit (2) of control assembly (2), the control driver element output terminal of control assembly (2), with the control end of cable connection control relay, the control driver element of control assembly (2) carries out power amplification to the control signal that industrial single-chip microcomputer sends, meet pilot relay job requirement, one end of the two-way normally opened contact of pilot relay, the input end of heater block (3) is all connected with cable, another termination 220VAC power supply of pilot relay two-way normally opened contact,
whentransformer oil chromatographic monitoring device is when medial temperature is less than or equal to 15 DEG C in terminal cabinet on the spot, the industrial single-chip microcomputer of control assembly (2) sends control signal, the two-way normally opened contact of Closed control relay, heater block (3) connects 220VAC power supply, for heated condition, when transformer oil chromatographic monitoring device being detected medial temperature being more than or equal to 25 DEG C in terminal cabinet on the spot, in control assembly (2), industrial single-chip microcomputer goes out control signal, disconnect the two-way normally opened contact of pilot relay, heater block (3) disconnects 220VAC power supply, heating work stops, cycle control by that analogy, ensure that transformer oil chromatographic monitoring device is held on the spot to work in the temperature range of measuring error timing signal all the time, thus extend the operating temperature range of transformer oil chromatographic monitoring device equipment, improve Measurement sensibility and precision.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Below in conjunction with accompanying drawing 1, content of the present utility model is described in further detail.
Accompanying drawing 1: be syndeton block diagram of the present utility model.By temperature detection part (1), control assembly (2), heater block (3) forms.
Embodiment:
In fig. 1, the temperature control system held on the spot of a kind of transformer oil chromatographic monitoring device
,by temperature detection part (1), control assembly (2), heater block (3) forms, be installed in transformer oil chromatographic monitoring device on the spot in terminal cabinet, wherein temperature detection part (1), by the first and second temperature sensors being arranged on transformer oil chromatographic monitoring device terminal upper part in cabinet and bottom on the spot, with for signal madulation, the signal processing unit composition of analog output, control assembly (2) is by industrial single-chip microcomputer, with the control driver element driven for control signal power amplification, with the pilot relay composition of a band two-way normally opened contact, heater block (3) is made up of an infrared hot plate, first temperature sensor of temperature detection part (1) and the second temperature sensor, obtain the temperature signal of transformer oil chromatographic monitoring device terminal upper part in cabinet and bottom on the spot respectively, the output terminal of the first temperature sensor, with the output terminal of the second temperature sensor, all be connected with the input end of signal processing unit with cable, signal processing unit passes through signal madulation, analog output, by temperature detection signal to the industrial single-chip microcomputer of control assembly (2), the industrial single-chip microcomputer input end of temperature detection part (1) output terminal cable connection control unit (2), industry single-chip microcomputer is by obtaining rack internal upper part and two, the bottom real-time measured value of temperature sensor, be weighted average computation again, obtain the real-time average temperature value of transformer oil chromatographic monitoring device on the spot in terminal cabinet, the control driver element input end of industrial single-chip microcomputer output terminal cable connection control unit (2) of control assembly (2), the control driver element output terminal of control assembly (2), with the control end of cable connection control relay, the control driver element of control assembly (2) carries out power amplification to the control signal that industrial single-chip microcomputer sends, meet pilot relay job requirement, one end of the two-way normally opened contact of pilot relay, the input end of heater block (3) is all connected with cable, another termination 220VAC power supply of pilot relay two-way normally opened contact,
whentransformer oil chromatographic monitoring device is when medial temperature is less than or equal to 15 DEG C in terminal cabinet on the spot, the industrial single-chip microcomputer of control assembly (2) sends control signal, the two-way normally opened contact of Closed control relay, heater block (3) connects 220VAC power supply, for heated condition, when transformer oil chromatographic monitoring device being detected medial temperature being more than or equal to 25 DEG C in terminal cabinet on the spot, in control assembly (2), industrial single-chip microcomputer goes out control signal, disconnect the two-way normally opened contact of pilot relay, heater block (3) disconnects 220VAC power supply, heating work stops, cycle control by that analogy, ensure that transformer oil chromatographic monitoring device is held on the spot to work in the temperature range of measuring error timing signal all the time.
Claims (1)
1. the temperature control system held on the spot of a transformer oil chromatographic monitoring device
,it is characterized in that: by temperature detection part (1), control assembly (2), heater block (3) forms, be installed in transformer oil chromatographic monitoring device on the spot in terminal cabinet, wherein temperature detection part (1), by the first and second temperature sensors being arranged on transformer oil chromatographic monitoring device terminal upper part in cabinet and bottom on the spot, with for signal madulation, the signal processing unit composition of analog output, control assembly (2) is by industrial single-chip microcomputer, with the control driver element driven for control signal power amplification, with the pilot relay composition of a band two-way normally opened contact, heater block (3) is made up of an infrared hot plate, first temperature sensor of temperature detection part (1) and the second temperature sensor, obtain the temperature signal of transformer oil chromatographic monitoring device terminal upper part in cabinet and bottom on the spot respectively, the output terminal of the first temperature sensor, with the output terminal of the second temperature sensor, all be connected with the input end of signal processing unit with cable, signal processing unit passes through signal madulation, analog output, by temperature detection signal to the industrial single-chip microcomputer of control assembly (2), the industrial single-chip microcomputer input end of temperature detection part (1) output terminal cable connection control unit (2), industry single-chip microcomputer is by obtaining rack internal upper part and two, the bottom real-time measured value of temperature sensor, be weighted average computation again, obtain the real-time average temperature value of transformer oil chromatographic monitoring device on the spot in terminal cabinet, the control driver element input end of industrial single-chip microcomputer output terminal cable connection control unit (2) of control assembly (2), the control driver element output terminal of control assembly (2), with the control end of cable connection control relay, the control driver element of control assembly (2) carries out power amplification to the control signal that industrial single-chip microcomputer sends, meet pilot relay job requirement, one end of the two-way normally opened contact of pilot relay, the input end of heater block (3) is all connected with cable, another termination 220VAC power supply of pilot relay two-way normally opened contact,
whentransformer oil chromatographic monitoring device is when medial temperature is less than or equal to 15 DEG C in terminal cabinet on the spot, the industrial single-chip microcomputer of control assembly (2) sends control signal, the two-way normally opened contact of Closed control relay, heater block (3) connects 220VAC power supply, for heated condition, when transformer oil chromatographic monitoring device being detected medial temperature being more than or equal to 25 DEG C in terminal cabinet on the spot, in control assembly (2), industrial single-chip microcomputer goes out control signal, disconnect the two-way normally opened contact of pilot relay, heater block (3) disconnects 220VAC power supply, heating work stops, cycle control by that analogy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520846717.8U CN205229861U (en) | 2015-10-29 | 2015-10-29 | Temperature control system that transformer oil chromatographic monitoring device was held on spot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520846717.8U CN205229861U (en) | 2015-10-29 | 2015-10-29 | Temperature control system that transformer oil chromatographic monitoring device was held on spot |
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| Publication Number | Publication Date |
|---|---|
| CN205229861U true CN205229861U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520846717.8U Expired - Fee Related CN205229861U (en) | 2015-10-29 | 2015-10-29 | Temperature control system that transformer oil chromatographic monitoring device was held on spot |
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| CN (1) | CN205229861U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105912054A (en) * | 2016-06-24 | 2016-08-31 | 国网山东省电力公司聊城供电公司 | Oil chromatogram online device cabinet temperature control system, and working method and applications thereof |
| CN109901556A (en) * | 2019-03-27 | 2019-06-18 | 同共科技(赤壁)有限公司 | A kind of electric control device Working state analysis method and system |
-
2015
- 2015-10-29 CN CN201520846717.8U patent/CN205229861U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105912054A (en) * | 2016-06-24 | 2016-08-31 | 国网山东省电力公司聊城供电公司 | Oil chromatogram online device cabinet temperature control system, and working method and applications thereof |
| CN109901556A (en) * | 2019-03-27 | 2019-06-18 | 同共科技(赤壁)有限公司 | A kind of electric control device Working state analysis method and system |
| CN109901556B (en) * | 2019-03-27 | 2023-11-21 | 同共科技(赤壁)有限公司 | Method and system for analyzing working state of electric control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |