CN104833453A - On-line pressure monitoring device used for transformer - Google Patents
On-line pressure monitoring device used for transformer Download PDFInfo
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- CN104833453A CN104833453A CN201510105639.0A CN201510105639A CN104833453A CN 104833453 A CN104833453 A CN 104833453A CN 201510105639 A CN201510105639 A CN 201510105639A CN 104833453 A CN104833453 A CN 104833453A
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Abstract
An on-line pressure monitoring device used for a transformer comprises a pressure sensor which is installed in an oil tank of the transformer for collecting the pressure of the oil tank, wherein the pressure sensor is connected to an external sensor signal collector through wires, the sensor signal collector performs data analysis for a collected pressure signal of the oil tank and then uploads the analyzed pressure signal to an A8 upper computer monitoring system through a wireless communication network; the pressure sensor is a 20B-10MPIG pressure sensor capable of directly converting a pressure signal within the range of 0-10Mpa into an output current signal within the range of 4-20mA, the sensor signal collector is an STM32F103 sensor signal collection system, the pressure sensor is connected to the sensor signal collector through 2 wires. The on-line pressure monitoring device of the present invention has the characteristics of reasonable structure, convenient and reliable use, capacity of achieving intelligent monitoring, capacity of ensuring safe operation of a power line, etc.
Description
Technical field
What the present invention relates to is a kind of for the online pressure monitoring device of transformer, belongs to the malfunction monitoring technical field of power equipment.
Background technology
Transformer is the important power equipment of one in electric power facility, the transformer be in During Process of Long-term Operation can because the generation of a variety of causes causing trouble, once break down requiring that electric power first-aid workman goes to immediately, to drop into repairing as early as possible, ensure the normal operation of power circuit.How the fault of Timeliness coverage transformer can become the normal key factor run of power circuit safety, power department at different levels is all putting forth effort the device studying on-line fault monitoring for this reason.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, and provide a kind of structure to form rationally, easy to use and reliable, intellectual monitoring can be realized, ensure power circuit safe operation for the online pressure monitoring device of transformer.
The object of the invention is to have come by following technical solution, a kind of for the online pressure monitoring device of transformer, it comprises one and is arranged in oil tank of transformer to gather the pressure transducer of tank pressure signal, described pressure transducer wire is connected on external collecting sensor signal device, and by this collecting sensor signal device by the tank pressure signal collected by upload after Data Analysis in be connected A8 host computer or industrial computer.
The pressure signal of described pressure transducer to be one can be by range 0-10Mpa changes the 20B-10MPIG pressure transducer of 4-20mA output current signal into, described collecting sensor signal device is a STM32F103 collecting sensor signal system, and described pressure transducer is connected to described collecting sensor signal device by 2 lines.
Described collecting sensor signal device is arranged on one specially and is placed in the other vertical cabinet of power transformer.
The present invention has structure composition rationally, easy to use and reliable, can realize intellectual monitoring, ensures the features such as power circuit safe operation.
Accompanying drawing explanation
Fig. 1 is structure theory of constitution schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1, a kind of online pressure monitoring device for transformer of the present invention, it comprises one and is arranged in transformer 1 fuel tank to gather the pressure transducer 2 of tank pressure signal, described pressure transducer 2 wire 3 is connected on external collecting sensor signal device 4, and by this collecting sensor signal device 4 by the tank pressure signal collected by upload after Data Analysis in be connected A8 host computer (not shown); Described A8 host computer also can replace with any one industrial computer existing, comprises intelligent industrial computer.
Embodiment:
Shown in figure, the pressure signal of pressure transducer 2 of the present invention to be one can be by range 0-10Mpa changes the 20B-10MPIG pressure transducer of 4-20mA output current signal into, described collecting sensor signal device 4 is a STM32F103 collecting sensor signal system, and described pressure transducer 2 is connected to described collecting sensor signal device 4 by 2 wires 3.
Collecting sensor signal device 4 of the present invention is arranged on one specially and is placed in the other vertical cabinet 5 of power transformer.
What A8 host computer of the present invention was selected is a kind of AM335X microprocessor based on ARMcortex-A8, with the SD card being greater than 2G, it connects the liquid crystal display that can show various data in real time by parallel data grabbing card, respectively connected GPRS module and RF module by dual serial mouth, and send note to corresponding with SIM card terminating machine by described at least one GPRS module; Described A8 host computer and collecting sensor signal system are all installed in a monitoring box body, and the front of described monitoring box body is provided with described liquid crystal display.
Claims (3)
1. one kind for the online pressure monitoring device of transformer, it comprises one and is arranged in oil tank of transformer to gather the pressure transducer of tank pressure signal, it is characterized in that described pressure transducer wire is connected on external collecting sensor signal device, and by this collecting sensor signal device by the tank pressure signal collected by upload after Data Analysis in be connected A8 host computer or industrial computer.
2. according to claim 1 for the online pressure monitoring device of transformer, it is characterized in that described pressure transducer to be one can be by range that the pressure signal of 0-10Mpa changes the 20B-10MPIG pressure transducer of 4-20mA output current signal into, described collecting sensor signal device is a STM32F103 collecting sensor signal system, and described pressure transducer is connected to described collecting sensor signal device by 2 lines.
3. according to claim 2 for the online pressure monitoring device of transformer, it is characterized in that described collecting sensor signal device is arranged on one specially and is placed in the other vertical cabinet of power transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105639.0A CN104833453A (en) | 2015-03-11 | 2015-03-11 | On-line pressure monitoring device used for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105639.0A CN104833453A (en) | 2015-03-11 | 2015-03-11 | On-line pressure monitoring device used for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104833453A true CN104833453A (en) | 2015-08-12 |
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ID=53811479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510105639.0A Pending CN104833453A (en) | 2015-03-11 | 2015-03-11 | On-line pressure monitoring device used for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104833453A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168770A (en) * | 2017-12-29 | 2018-06-15 | 国家电网公司 | A kind of on-load tap changers of transformers grease chamber pressure on-line monitoring system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816801A (en) * | 1973-01-11 | 1974-06-11 | Westinghouse Electric Corp | Electrical transformer |
| CN201854090U (en) * | 2010-11-23 | 2011-06-01 | 广州德昊电子科技有限公司 | Intelligent transformer |
| CN202420748U (en) * | 2011-12-30 | 2012-09-05 | 天威云南变压器股份有限公司 | Monitoring system for oil pressure in transformer oil tank |
| CN204188339U (en) * | 2014-11-25 | 2015-03-04 | 国网辽宁省电力有限公司丹东供电公司 | A kind of network distribution transformer fuel tank sealing exponential forecasting device |
| CN204594613U (en) * | 2015-03-11 | 2015-08-26 | 国网浙江海盐县供电公司 | For the online pressure monitoring device of transformer |
-
2015
- 2015-03-11 CN CN201510105639.0A patent/CN104833453A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816801A (en) * | 1973-01-11 | 1974-06-11 | Westinghouse Electric Corp | Electrical transformer |
| CN201854090U (en) * | 2010-11-23 | 2011-06-01 | 广州德昊电子科技有限公司 | Intelligent transformer |
| CN202420748U (en) * | 2011-12-30 | 2012-09-05 | 天威云南变压器股份有限公司 | Monitoring system for oil pressure in transformer oil tank |
| CN204188339U (en) * | 2014-11-25 | 2015-03-04 | 国网辽宁省电力有限公司丹东供电公司 | A kind of network distribution transformer fuel tank sealing exponential forecasting device |
| CN204594613U (en) * | 2015-03-11 | 2015-08-26 | 国网浙江海盐县供电公司 | For the online pressure monitoring device of transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168770A (en) * | 2017-12-29 | 2018-06-15 | 国家电网公司 | A kind of on-load tap changers of transformers grease chamber pressure on-line monitoring system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150812 |