CN204594613U - For the online pressure monitoring device of transformer - Google Patents
For the online pressure monitoring device of transformer Download PDFInfo
- Publication number
- CN204594613U CN204594613U CN201520137031.1U CN201520137031U CN204594613U CN 204594613 U CN204594613 U CN 204594613U CN 201520137031 U CN201520137031 U CN 201520137031U CN 204594613 U CN204594613 U CN 204594613U
- Authority
- CN
- China
- Prior art keywords
- sensor signal
- collecting sensor
- transformer
- pressure transducer
- pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
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, described pressure transducer wire is connected on external collecting sensor signal device, and by this collecting sensor signal device by the tank pressure signal that collects by after Data Analysis through the wireless telecommunications networking first line of a couplet in A8 Monitor Computer Control System; 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; It has structure composition rationally, easy to use and reliable, can realize intellectual monitoring, ensures the features such as power circuit safe operation.
Description
Technical field
The utility model relates to a kind of for the online pressure monitoring device of transformer, belong 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 purpose of this utility model is to overcome the deficiency that prior art exists, and provides a kind of structure to form rationally, easy to use and reliable, can realize intellectual monitoring, ensure power circuit safe operation for the online pressure monitoring device of transformer.
The purpose of this utility model has been 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 utility model 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 utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail: shown in Fig. 1, a kind of online pressure monitoring device for transformer described in the utility model, 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 described in the utility model 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 described in the utility model is arranged on one specially and is placed in the other vertical cabinet 5 of power transformer.
What A8 host computer described in the utility model 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. 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 |
|---|---|---|---|
| CN201520137031.1U CN204594613U (en) | 2015-03-11 | 2015-03-11 | For the online pressure monitoring device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520137031.1U CN204594613U (en) | 2015-03-11 | 2015-03-11 | For the online pressure monitoring device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204594613U true CN204594613U (en) | 2015-08-26 |
Family
ID=53930758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520137031.1U Expired - Fee Related CN204594613U (en) | 2015-03-11 | 2015-03-11 | For the online pressure monitoring device of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204594613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833453A (en) * | 2015-03-11 | 2015-08-12 | 国网浙江海盐县供电公司 | On-line pressure monitoring device used for transformer |
-
2015
- 2015-03-11 CN CN201520137031.1U patent/CN204594613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833453A (en) * | 2015-03-11 | 2015-08-12 | 国网浙江海盐县供电公司 | On-line pressure monitoring device used for transformer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20200311 |