CN205038312U - Power electronic fault diagnosis device - Google Patents
Power electronic fault diagnosis device Download PDFInfo
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- CN205038312U CN205038312U CN201520819262.0U CN201520819262U CN205038312U CN 205038312 U CN205038312 U CN 205038312U CN 201520819262 U CN201520819262 U CN 201520819262U CN 205038312 U CN205038312 U CN 205038312U
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- high voltage
- microcontroller
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- voltage isolator
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Abstract
The utility model relates to a power electronic fault diagnosis device, be used for carrying out fault detection to high voltage isolator, include infrared temperature sensors in proper order, the GPS sensor, microcontroller, audible -visual annunciator and wireless transmitter, high voltage isolator department is all located to infrared temperature sensors and GPS sensor, the output of the two all is connected with microcontroller, microcontroller's output is connected to audible -visual annunciator and wireless transmitter respectively, still be equipped with current sensor and voltage sensor on the transmission line at high voltage isolator place, the output of the two is connected with microcontroller's input through processing circuit, processing circuit is including the signal amplifying unit who connects gradually, signal filter unit and photoelectric coupling unit. Through adopting the structure mentioned above, the utility model discloses can monitor high voltage isolator in real time to in time discover and fault localization information, thereby guaranteed the security and the stability of power supply greatly.
Description
Technical field
The utility model relates to a kind of power electronic fault diagnose device, for carrying out fault detect to high voltage isolator.
Background technology
In field of power electronics, high voltage isolator is on-off element important in generating plant and transformer station's electrical system, and it is mainly used in ensureing High-Voltage Electrical Appliances and the safety of device when service work, plays the effect of isolation voltage.In the operational process of high voltage isolator, it all can produce heat because of electromagnetic action, own temperature is raised, especially when the contact electric current that is bad or carrying of disconnector exceedes higher limit, high voltage isolator all can abnormal heating, so burn for avoiding switch and cause security incident, often need to detect the high voltage isolator be distributed in each equipment in real time, with Timeliness coverage and localizing faults information.But adopt manual type to detect one by one each high voltage isolator with looking up the fault at present often, this not only wastes time and energy, but also greatly have impact on maintenance or the overhaul efficiency of disconnector, and then reduces the safety and stability of power supply.
Utility model content
For overcoming above the deficiencies in the prior art, the technical problems to be solved in the utility model is to provide one and can monitors with Timeliness coverage and localizing faults information high voltage isolator in real time, thus greatly ensures the power electronic fault diagnose device of security and the stability of powering.
The technical solution of the utility model is:
A kind of power electronic fault diagnose device, for carrying out fault detect to high voltage isolator, it comprises infrared temperature sensor, GPS sensor, microcontroller, audible-visual annunciator and wireless launcher successively, high voltage isolator place is all located at by described infrared temperature sensor and described GPS sensor, and the output terminal of described infrared temperature sensor and GPS sensor is connected with the input end of described microcontroller respectively, and the output terminal of described microcontroller is connected to the input end of described audible-visual annunciator and wireless launcher respectively; The transmission line of electricity at high voltage isolator place is also respectively equipped with current sensor and voltage sensor, and the output terminal of described current sensor and voltage sensor is connected through the input end of signal processing circuit with described microcontroller, the photoelectric coupling unit for promoting inhibition that wherein said signal processing circuit comprises signal amplification unit, the signal filtering unit be connected with the output terminal of described signal amplification unit successively and is connected with the output terminal of described signal filtering unit.
In above-mentioned power electronic fault diagnose device, be also provided with humidity sensor at described high voltage isolator place, and the output terminal of described humidity sensor is connected to the input end of described microcontroller.
In above-mentioned power electronic fault diagnose device, be also connected with storage unit at the output terminal of described microcontroller.
In above-mentioned power electronic fault diagnose device, described microcontroller is ARM microprocessor, and described wireless launcher adopts GPRS module, gsm module or M2M module.
In above-mentioned power electronic fault diagnose device, the extraction optical fiber being also respectively equipped with light-conductive optic fibre at high voltage isolator place and being connected with described light-conductive optic fibre, and described extraction optical fiber is also connected to the input end of photoelectric conversion unit, the output terminal of photoelectric conversion unit is connected to the input end of described microcontroller simultaneously.
The beneficial effects of the utility model are: by adopting said structure, the utility model can be monitored high voltage isolator in real time, so that Timeliness coverage and localizing faults information, thus greatly improve maintenance or the overhaul efficiency of high voltage isolator, and then ensure that security and the stability of power supply.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of power electronic fault diagnose device of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, a kind of power electronic fault diagnose device, for carrying out fault detect to high voltage isolator, it comprises infrared temperature sensor, GPS sensor, microcontroller, audible-visual annunciator and wireless launcher successively, high voltage isolator place is all located at by described infrared temperature sensor and described GPS sensor, and the output terminal of described infrared temperature sensor and GPS sensor is connected with the input end of described microcontroller respectively, and the output terminal of described microcontroller is connected to the input end of described audible-visual annunciator and wireless launcher respectively; The transmission line of electricity at high voltage isolator place is also respectively equipped with current sensor and voltage sensor, and the output terminal of described current sensor and voltage sensor is connected through the input end of signal processing circuit with described microcontroller, the photoelectric coupling unit for promoting inhibition that wherein said signal processing circuit comprises signal amplification unit, the signal filtering unit be connected with the output terminal of described signal amplification unit successively and is connected with the output terminal of described signal filtering unit.
Particularly, for above-mentioned power electronic fault diagnose device, wherein microcontroller can adopt ARM microprocessor, and wireless launcher can adopt GPRS module, gsm module or M2M module.
Under the above constitution, can be monitored the temperature of high voltage isolator in real time by infrared temperature sensor, thus temperature anomaly situation can be found in time, the position of high voltage isolator can be located by GPS sensor, just the temperature information of this switch and positional information externally can be sent (as being sent to long-range Surveillance center) in time by wireless launcher when disconnector temperature anomaly, carry out sound and light alarm by audible-visual annunciator at fault in-situ in addition.
Simultaneously, by being respectively equipped with current sensor and voltage sensor, just can the operational factor of perception high voltage isolator circuit further, thus the failure message and failure cause of determining disconnector can be assisted better, thus greatly facilitate it is safeguarded or maintenance.
Further, for above-mentioned power electronic fault diagnose device, wherein also be provided with humidity sensor at high voltage isolator place, and the output terminal of humidity sensor is connected to the input end of microcontroller, with the humidity information of real-time perception disconnector surrounding environment, and consequent short trouble can be avoided.
As further preferably, for above-mentioned power electronic fault diagnose device, be wherein also connected with storage unit at the output terminal of microcontroller.Like this, just the fault parameter information of disconnector can be stored, be convenient to follow-up fault statistics analysis and circuit structure improvement.
As further preferred, for above-mentioned power electronic fault diagnose device, the extraction optical fiber being wherein also respectively equipped with light-conductive optic fibre at high voltage isolator place and being connected with light-conductive optic fibre, and draw the input end that optical fiber is also connected to photoelectric conversion unit, the output terminal of photoelectric conversion unit is connected to the input end of microcontroller simultaneously.Like this, just can the arc information that produces in the moment contacted with disconnect of moving contact and the static contact of perception disconnector effectively, thus be conducive to searching and diagnose the fault isolating switch caused therefrom.
In sum, by adopting said structure, the utility model can be monitored high voltage isolator with Timeliness coverage and localizing faults information in real time, thus greatly improves maintenance or the overhaul efficiency of high voltage isolator, and then ensure that security and the stability of power supply.
By reference to the accompanying drawings the preferred embodiment of the utility model and embodiment are explained in detail above, but the utility model is not limited to the above-described embodiment and examples, in the ken that those skilled in the art possess, various change can also be made without departing from the concept of the premise utility.
Claims (5)
1. a power electronic fault diagnose device, for carrying out fault detect to high voltage isolator, it is characterized in that: comprise infrared temperature sensor, GPS sensor, microcontroller, audible-visual annunciator and wireless launcher successively, high voltage isolator place is all located at by described infrared temperature sensor and described GPS sensor, and the output terminal of described infrared temperature sensor and GPS sensor is connected with the input end of described microcontroller respectively, and the output terminal of described microcontroller is connected to the input end of described audible-visual annunciator and wireless launcher respectively; The transmission line of electricity at high voltage isolator place is also respectively equipped with current sensor and voltage sensor, and the output terminal of described current sensor and voltage sensor is connected through the input end of signal processing circuit with described microcontroller, the photoelectric coupling unit for promoting inhibition that wherein said signal processing circuit comprises signal amplification unit, the signal filtering unit be connected with the output terminal of described signal amplification unit successively and is connected with the output terminal of described signal filtering unit.
2. power electronic fault diagnose device as claimed in claim 1, is characterized in that: be also provided with humidity sensor at described high voltage isolator place, and the output terminal of described humidity sensor is connected to the input end of described microcontroller.
3. power electronic fault diagnose device as claimed in claim 1 or 2, is characterized in that: be also connected with storage unit at the output terminal of described microcontroller.
4. power electronic fault diagnose device as claimed in claim 3, is characterized in that: described microcontroller is ARM microprocessor, and described wireless launcher adopts GPRS module, gsm module or M2M module.
5. power electronic fault diagnose device as claimed in claim 4, it is characterized in that: the extraction optical fiber being also respectively equipped with light-conductive optic fibre at described high voltage isolator place and being connected with described light-conductive optic fibre, and described extraction optical fiber is also connected to the input end of photoelectric conversion unit, the output terminal of photoelectric conversion unit is connected to the input end of described microcontroller simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819262.0U CN205038312U (en) | 2015-10-22 | 2015-10-22 | Power electronic fault diagnosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819262.0U CN205038312U (en) | 2015-10-22 | 2015-10-22 | Power electronic fault diagnosis device |
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| Publication Number | Publication Date |
|---|---|
| CN205038312U true CN205038312U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520819262.0U Expired - Fee Related CN205038312U (en) | 2015-10-22 | 2015-10-22 | Power electronic fault diagnosis device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651393A (en) * | 2016-02-25 | 2016-06-08 | 成都迅德科技有限公司 | Novel temperature detection circuit |
| CN105866668A (en) * | 2016-04-26 | 2016-08-17 | 国网河南省电力公司商丘供电公司 | Detection device for secondary circuit of electric isolation disconnecting link |
| CN106093773A (en) * | 2016-08-26 | 2016-11-09 | 张振堂 | A kind of zone isolation on off state based on Internet of Things monitoring system |
| CN111157841A (en) * | 2019-12-25 | 2020-05-15 | 国网浙江省电力有限公司台州供电公司 | Fault quick positioning device for secondary circuit of electric operation type isolating switch |
| CN111237182A (en) * | 2018-11-29 | 2020-06-05 | 桂林航天工业学院 | Air condition compressor fault diagnosis system |
-
2015
- 2015-10-22 CN CN201520819262.0U patent/CN205038312U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651393A (en) * | 2016-02-25 | 2016-06-08 | 成都迅德科技有限公司 | Novel temperature detection circuit |
| CN105866668A (en) * | 2016-04-26 | 2016-08-17 | 国网河南省电力公司商丘供电公司 | Detection device for secondary circuit of electric isolation disconnecting link |
| CN106093773A (en) * | 2016-08-26 | 2016-11-09 | 张振堂 | A kind of zone isolation on off state based on Internet of Things monitoring system |
| CN111237182A (en) * | 2018-11-29 | 2020-06-05 | 桂林航天工业学院 | Air condition compressor fault diagnosis system |
| CN111157841A (en) * | 2019-12-25 | 2020-05-15 | 国网浙江省电力有限公司台州供电公司 | Fault quick positioning device for secondary circuit of electric operation type isolating switch |
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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: 20160217 Termination date: 20161022 |