CN103364697A - Ultraviolet real-time monitoring device of switch cabinet - Google Patents
Ultraviolet real-time monitoring device of switch cabinet Download PDFInfo
- Publication number
- CN103364697A CN103364697A CN2013103048648A CN201310304864A CN103364697A CN 103364697 A CN103364697 A CN 103364697A CN 2013103048648 A CN2013103048648 A CN 2013103048648A CN 201310304864 A CN201310304864 A CN 201310304864A CN 103364697 A CN103364697 A CN 103364697A
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- China
- Prior art keywords
- monitoring device
- time monitoring
- control module
- ultraviolet ray
- switch cubicle
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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.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
- H02H1/0015—Using arc detectors
- H02H1/0023—Using arc detectors sensing non electrical parameters, e.g. by optical, pneumatic, thermal or sonic sensors
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention relates to an ultraviolet real-time monitoring device of a switch cabinet and particularly belongs to the technical field of switch cabinets. The ultraviolet real-time monitoring device of the switch cabinet comprises a control module and a detection circuit electrically connected with the signal input end of the control module and further comprises a light filtering unit. The light filtering unit is connected between the detection circuit and the control module in series. The light filtering unit comprises a light filtering circuit. The light filtering circuit comprises an ultraviolet light filtering piece which is used for shielding radiation interference of ultraviolet light which is part of sunlight. The light filtering unit is adopted in the ultraviolet real-time monitoring device and can remove ultraviolet light in the sunlight and effectively shield interference of all the other light sources. As an electrical signal processing unit is adopted, the capability of low-frequency interference resistance is achieved and detection precision of a detection device is improved.
Description
Technical field
The present invention relates to a kind of switch cubicle ultraviolet ray real-time monitoring device, specifically belong to the switch cubicle technical field.
Background technology
At present a lot of to the detection method of electric arc.Application number is 200710115137.1 patent of invention, a kind of high-tension switch cabinet wrong some corona and arc detecting device are disclosed, comprise detecting unit, the data analysis processing unit, display unit, network communication power pack power supply unit, described detecting unit adopts sensor output switch cabinet contact arc discharge signal to data analysis unit, after the data analysis processing unit carries out analyzing and processing to input signal, one the tunnel exports display unit to carries out testing result, one the tunnel exports network communication unit inspection data communication device to crosses network and is sent to host computer, described power supply unit is the device power supply, this invention has solved the problem that how the high-tension switch cabinet contact arc discharge is detected, has distant place control function, can be reliable, in time, send a warning accurately, can be widely used in the contact arc discharge on-line monitoring of all kinds of circuit high-tension switch gears.But the spectrum of this arcing is easily received the too interference of eye spectrum, easily causes maloperation, and accuracy is lower.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of highly sensitive, the switch cubicle of good stability ultraviolet ray real-time monitoring device.
For achieving the above object, the technical solution used in the present invention is: a kind of switch cubicle ultraviolet ray real-time monitoring device, comprise control module, and the testing circuit that is electrically connected respectively with the signal input part of control module, also comprise filter unit, described filter unit is serially connected with between described testing circuit and the described control module, and described filter unit comprises the optical filtering circuit.Described optical filtering circuit comprises ultraviolet filter, and ultraviolet filter is to remove the interference of a part of UV radiation in the daylight.
Further preferred version, described filter unit also comprises the photomultiplier transit circuit, the input end of described photomultiplier transit circuit connects the output terminal of described optical filtering circuit.Described photomultiplier transit circuit converts faint incident light to photoelectron and obtains the vacuum photoemission of multiplication.
Further preferred version also comprises the Electric signal processing unit that is serially connected with between filter unit and the control module.Described Electric signal processing unit comprises amplifying circuit, and described amplifying circuit is connected with described photomultiplier transit circuit signal output terminal.Amplifying circuit amplifies the pulse signal of the output of Photomultiplier unit, and enlargement factor is adjustable.
Further preferred version also comprises the filtering circuit of connecting with amplifying circuit, and the signal output part of described filtering circuit connects the input end of described control module.The main filtering low-frequency disturbance of filtering circuit, rearmounted amplifying circuit make output signal be fit to the input requirements of control module.
Further preferred version, described control module adopts the MCU control module.
Further preferred version also comprises emitter, the output terminal of described emitter link control module.Described emitter adopts wireless launcher, is used for to the remote control terminal transmitted data signal.
Further preferred version also comprises warning system, the output terminal of described warning system link control module; Audible and visible alarm is adopted in described warning system.
A kind of switch cubicle comprises switch cabinet body, also comprises above-mentioned any one switch cubicle ultraviolet ray real-time monitoring device, described switch cubicle ultraviolet ray real-time monitoring device is aimed at switch in the cabinet, be arranged at the crossbeam on switch cabinet body top, accurately find electric arc in the switch cubicle, thus the generation of Accident prevention.
Beneficial effect: 1) this device adopts filter unit, can remove the ultraviolet ray in the daylight, can effectively reject the interference that every other light source produces.
2) this device is established and is adopted the Electric signal processing unit, and the low frequency antijamming capability improves the pick-up unit detection accuracy.
Description of drawings
Fig. 1 is switch cubicle ultraviolet ray real-time monitoring device circuit theory diagrams;
Fig. 2 is switch cubicle ultraviolet ray real-time monitoring device application drawing.
Embodiment
The invention will be further described with embodiment by reference to the accompanying drawings.
Switch cubicle ultraviolet ray real-time monitoring device circuit theory diagrams as shown in Figure 1, comprise control module, and be electrically connected respectively testing circuit with the signal input part of control module, also comprise filter unit, described filter unit is serially connected with between described testing circuit and the described control module, and described filter unit comprises the optical filtering circuit.Described optical filtering circuit comprises ultraviolet filter, and ultraviolet filter is to remove the interference of a part of UV radiation in the daylight.
Further preferred embodiment, described filter unit also comprises the photomultiplier transit circuit, the input end of described photomultiplier transit circuit connects the output terminal of described optical filtering circuit.Described photomultiplier transit circuit converts faint incident light to photoelectron and obtains the vacuum photoemission of multiplication.
Further preferred embodiment also comprises the Electric signal processing unit that is serially connected with between filter unit and the control module.Described Electric signal processing unit comprises amplifying circuit, comprises that amplifying circuit is connected with described photomultiplier transit circuit signal output terminal.Amplifying circuit amplifies the pulse signal of the output of Photomultiplier unit, and enlargement factor is adjustable.
Further preferred embodiment also comprises the filtering circuit of connecting with amplifying circuit, and the signal output part of described filtering circuit connects the input end of described control module.The main filtering low-frequency disturbance of filtering circuit, rearmounted amplifying circuit make output signal be fit to the input requirements of control module.
Further preferred embodiment, described control module adopts the MCU control module.
Further preferred embodiment also comprises emitter, the output terminal of described emitter link control module.Described emitter adopts wireless launcher, is used for to the remote control terminal transmitted data signal.
Further preferred embodiment also comprises warning system, the output terminal of described warning system link control module.Audible and visible alarm is adopted in described warning system.
Switch cubicle ultraviolet ray real-time monitoring device application drawing as shown in Figure 2, comprise switch cabinet body, also comprise above-mentioned any one switch cubicle ultraviolet ray real-time monitoring device, described switch cubicle ultraviolet ray real-time monitoring device is aimed at switch in the cabinet, be arranged at the crossbeam on switch cabinet body top, accurately find electric arc in the switch cubicle, thus the generation of Accident prevention.
Claims (9)
1. switch cubicle ultraviolet ray real-time monitoring device comprises control module at least, and with the testing circuit that the signal input part of control module is electrically connected, it is characterized in that:
Also comprise filter unit, described filter unit is serially connected with between described testing circuit and the described control module, and described filter unit comprises the optical filtering circuit.
2. switch cubicle according to claim 1 ultraviolet ray real-time monitoring device, it is characterized in that: described filter unit also comprises the photomultiplier transit circuit, the input end of described photomultiplier transit circuit connects the output terminal of described optical filtering circuit.
3. switch cubicle ultraviolet ray real-time monitoring device according to claim 1 is characterized in that: also comprise the Electric signal processing unit that is serially connected with between filter unit and the control module.
4. switch cubicle according to claim 3 ultraviolet ray real-time monitoring device, it is characterized in that: described Electric signal processing unit comprises amplifying circuit, described amplifying circuit is connected with described photomultiplier transit circuit signal output terminal.
5. switch cubicle according to claim 4 ultraviolet ray real-time monitoring device, it is characterized in that: described Electric signal processing unit also comprises the filtering circuit of connecting with amplifying circuit, the signal output part of described filtering circuit connects the input end of described control module.
6. switch cubicle ultraviolet ray real-time monitoring device according to claim 1 is characterized in that: described control module employing MCU control module.
7. switch cubicle ultraviolet ray real-time monitoring device according to claim 1 is characterized in that: also comprise emitter, the output terminal of described emitter link control module.
8. switch cubicle ultraviolet ray real-time monitoring device according to claim 1 is characterized in that: also comprise warning system, the output terminal of described warning system link control module.
9. a switch cubicle comprises switch cabinet body, it is characterized in that: also comprise 1 ~ 8 any one switch cubicle ultraviolet ray real-time monitoring device, described switch cubicle ultraviolet ray real-time monitoring device is aimed at the switch cabinet body top of switch in the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103048648A CN103364697A (en) | 2013-07-19 | 2013-07-19 | Ultraviolet real-time monitoring device of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103048648A CN103364697A (en) | 2013-07-19 | 2013-07-19 | Ultraviolet real-time monitoring device of switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103364697A true CN103364697A (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013103048648A Pending CN103364697A (en) | 2013-07-19 | 2013-07-19 | Ultraviolet real-time monitoring device of switch cabinet |
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| CN (1) | CN103364697A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3439128A1 (en) * | 2017-08-03 | 2019-02-06 | Schneider Electric Industries SAS | Method and device for protection against internal arcing faults in an electrical distribution system, and electrical cabinet comprising such a device |
| CN109638670A (en) * | 2018-12-10 | 2019-04-16 | 国网浙江省电力有限公司金华供电公司 | A kind of switchgear with electric arc on-line measuring device |
| CN109738768A (en) * | 2018-12-10 | 2019-05-10 | 国网浙江省电力有限公司金华供电公司 | A kind of switchgear electric arc on-line measuring device |
-
2013
- 2013-07-19 CN CN2013103048648A patent/CN103364697A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3439128A1 (en) * | 2017-08-03 | 2019-02-06 | Schneider Electric Industries SAS | Method and device for protection against internal arcing faults in an electrical distribution system, and electrical cabinet comprising such a device |
| FR3069951A1 (en) * | 2017-08-03 | 2019-02-08 | Schneider Electric Industries Sas | METHOD AND DEVICE FOR PROTECTION AGAINST INTERNAL ARC DEFECTS IN AN ELECTRICAL DISTRIBUTION SYSTEM, AND ELECTRICAL CABINET HAVING SUCH A DEVICE |
| US10958061B2 (en) | 2017-08-03 | 2021-03-23 | Schneider Electric Industries Sas | Method and device for protection from internal arcs in an electrical distribution system, and electrical cabinet including such a device |
| CN109638670A (en) * | 2018-12-10 | 2019-04-16 | 国网浙江省电力有限公司金华供电公司 | A kind of switchgear with electric arc on-line measuring device |
| CN109738768A (en) * | 2018-12-10 | 2019-05-10 | 国网浙江省电力有限公司金华供电公司 | A kind of switchgear electric arc on-line measuring device |
| CN109638670B (en) * | 2018-12-10 | 2024-04-02 | 国网浙江省电力有限公司金华供电公司 | Switch cabinet with electric arc on-line detection device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131023 |