CN109141633A - A kind of electric power arc detection device based on ultraviolet light - Google Patents
A kind of electric power arc detection device based on ultraviolet light Download PDFInfo
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- CN109141633A CN109141633A CN201811224324.8A CN201811224324A CN109141633A CN 109141633 A CN109141633 A CN 109141633A CN 201811224324 A CN201811224324 A CN 201811224324A CN 109141633 A CN109141633 A CN 109141633A
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- circuit
- ultraviolet light
- detection device
- ultraviolet
- threshold value
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 239000000523 sample Substances 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000010849 ion bombardment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000825 ultraviolet detection Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
A kind of electric power arc detection device based on ultraviolet light, it is related to electronic technology field, and in particular to a kind of electric power arc detection device based on ultraviolet light.It includes detection device ontology, ultraviolet probe, ultraviolet light detection sensor, amplifying circuit, threshold value comparison circuit, filter circuit, step count circuit, power interface, ultraviolet probe is provided on the right side of the detection device ontology, detection device ontology is internally provided with ultraviolet light detection sensor, amplifying circuit, threshold value comparison circuit, filter circuit and step count circuit, and each circuit and power interface are electrically connected.After adopting the above technical scheme, the application has the beneficial effect that it has the function of threshold value comparison, the susceptibility of adjustable equipment improves accuracy, and judges whether to generate the mode multiplicity of arc light, is provided with blind type probe, and when white light is reactionless.
Description
Technical field
This application involves electronic technology fields, and in particular to a kind of electric power arc detection device based on ultraviolet light.
Background technique
Power equipment arc light caused by meeting due to various short circuits.Electric arc is a kind of gas discharge phenomenon, and electric current passes through
Moment spark caused by certain dielectrics (such as air).Electric arc is a kind of self maintained gas conduction (electricity in ionized gas
Conduction), most of carriers are electronics caused by primary electron emits.Contact metal surface emits (heat because of primary electron
Emission of ions, field emission or photoemission) cause electronics to escape, gas atom or molecule can be because of ionization (collision electricity in gap
From, photo-ionisation and thermal ionization) and generate electronics and ion.In addition, electronics or ion bombardment emitting surface can cause secondary electricity again
Son transmitting.When gap intermediate ion concentration is sufficiently large, gap, which is electrically shocked, wears and electric arc occurs.Once electric arc is generated, it will be with
The speed of 300m/s is broken out, and destroys any substance on the way.As long as not powering off in system, arc light will be always existed.Arc
Light generates, inevitable with ultraviolet light, can judge whether to generate arc light by detecting ultraviolet light.More there is presently no one
Complete suitable electric arc detecting device, and judgment method is more single, and equipment susceptibility is not high.
Summary of the invention
The purpose of the application is in view of the drawbacks of the prior art and insufficient, provides a kind of electric power arc based on ultraviolet light and visits
Device is surveyed, it has the function of threshold value comparison, and the susceptibility of adjustable equipment improves precision and accuracy, and judgement is
The no mode multiplicity for generating arc light, is provided with blind type probe, when white light is reactionless.
To achieve the above object, the application is using following technical scheme: it includes detection device ontology 1, ultraviolet probe
2, ultraviolet light detection sensor 3, amplifying circuit 4, threshold value comparison circuit 5, filter circuit 6, step count circuit 7, power interface
8, the right side of the detection device ontology 1 is provided with ultraviolet probe 2, and detection device ontology 1 is internally provided with ultraviolet light spy
Survey sensor 3, amplifying circuit 4, threshold value comparison circuit 5, filter circuit 6 and step count circuit 7, ultraviolet light detection sensor 3
It is connected to the input terminal of amplifying circuit 4, the output end of amplifying circuit 4 is connected to the input terminal of threshold value comparison circuit 5, threshold value comparison
The output end of circuit 5 is connected to the input terminal of filter circuit 6, and the output end of filter circuit 6 is connected to the defeated of step count circuit 7
Enter end, each circuit and power interface 8 are electrically connected.
The left side of the detection device ontology 1 is provided with fixed device 9.
The ultraviolet probe 2 is blind type probe.
The ultraviolet light detection sensor 3 is charge negative-pressure type ultraviolet light detection sensor.
The working principle of the application:, can be with ultraviolet light, the performance of ultraviolet light signal when there are arc light generation in switch or contact
The mode of impact signal out, by ultraviolet 2 detection ultraviolet light of probe, ultraviolet light detection sensor 3 is converted to ultraviolet light signal
Electric signal is amplified by amplifying circuit 4, is then judged by threshold value comparison circuit 5, sees whether reach threshold value, if
Reach, be filtered by filter circuit 6, if not up to, being waited, then repeats amplification, threshold value comparison,
Filtering starts step count by step count circuit 7 later, judges whether more than 100 times, hardware step count, reaches in 1s
Arc light is thought in 100 jumps, generates Transistor-Transistor Logic level, triggering MCU sends fault code, if it is not, then reentering waiting shape
State, triggering MCU then indicate that ultraviolet light is that arc light generates.
After adopting the above technical scheme, the application has the beneficial effect that it has the function of threshold value comparison, adjustable equipment
Susceptibility, improve precision and accuracy, and judge whether to generate the mode multiplicity of arc light, be provided with blind type probe, it is white
Light is reactionless when irradiating.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the application；
Fig. 2 is that schematic diagram occurs for the ultraviolet light signal of the application；
Fig. 3 is the work flow diagram of the application.
Description of symbols: detection device ontology 1, ultraviolet probe 2, ultraviolet light detection sensor 3, amplifying circuit 4, threshold value
Comparison circuit 5, filter circuit 6, step count circuit 7, power interface 8, fixed device 9.
Specific embodiment
Referring to shown in Fig. 1-Fig. 3, present embodiment is the technical solution adopted is that it includes detection device ontology 1, purple
Outer probe 2, ultraviolet light detection sensor 3, amplifying circuit 4, threshold value comparison circuit 5, filter circuit 6, step count circuit 7, electricity
Source interface 8, the right side of the detection device ontology 1 are provided with ultraviolet probe 2, and detection device ontology 1 is internally provided with purple
Outside line detection sensor 3, amplifying circuit 4, threshold value comparison circuit 5, filter circuit 6 and step count circuit 7, ultraviolet detection pass
Sensor 3 is connected to the input terminal of amplifying circuit 4, and the output end of amplifying circuit 4 is connected to the input terminal of threshold value comparison circuit 5, threshold
The output end of value comparison circuit 5 is connected to the input terminal of filter circuit 6, and the output end of filter circuit 6 is connected to step count electricity
The input terminal on road 7, each circuit and power interface 8 are electrically connected.
The left side of the detection device ontology 1 is provided with fixed device 9.Fixed device 9 is for fixing detection device.
The ultraviolet probe 2 is blind type probe.White light is reactionless.
The ultraviolet light detection sensor 3 is charge negative-pressure type ultraviolet light detection sensor.UV sensor is to pass
One kind of sensor can use light-sensitive element by photovoltaic mode and guided optical mode and ultraviolet light signal be converted to measurable electricity
Signal.
The working principle of the application:, can be with ultraviolet light, the performance of ultraviolet light signal when there are arc light generation in switch or contact
The mode of impact signal out, detection device is powered on, and passes through ultraviolet 2 detection ultraviolet light of probe, ultraviolet light detection sensor 3
Ultraviolet light signal is converted into electric signal, is amplified by amplifying circuit 4, is then judged by threshold value comparison circuit 5,
It sees whether reach threshold value, is filtered if reaching by filter circuit 6, if not up to, being waited, then repeating to put
Greatly, threshold value comparison, filtering start step count by step count circuit 7 later, judge whether more than 100 times, firmly
Part step count reaches 100 jumps in 1s and thinks arc light, generates Transistor-Transistor Logic level, triggers MCU transmission fault code, if
It is no, then wait state is reentered, triggering MCU then indicates that ultraviolet light is that arc light generates.
After adopting the above technical scheme, the application has the beneficial effect that it has the function of threshold value comparison, adjustable equipment
Susceptibility, improve precision and accuracy, and judge whether to generate the mode multiplicity of arc light, be provided with blind type probe, it is white
Light is reactionless when irradiating.
The above is only to illustrate the technical solution of the application rather than limits, and those of ordinary skill in the art are to this Shen
The other modifications or equivalent replacement that technical solution please is made, without departing from the spirit and scope of technical scheme,
It should all cover in claims hereof range.
Claims (4)
1. a kind of electric power arc detection device based on ultraviolet light, it is characterised in that: it includes detection device ontology (1), ultraviolet spy
Head (2), ultraviolet light detection sensor (3), amplifying circuit (4), threshold value comparison circuit (5), filter circuit (6), step count electricity
Road (7), power interface (8) are provided with ultraviolet probe (2), detection device ontology on the right side of the detection device ontology (1)
(1) be internally provided with ultraviolet light detection sensor (3), amplifying circuit (4), threshold value comparison circuit (5), filter circuit (6) and
Step count circuit (7), ultraviolet light detection sensor (3) are connected to the input terminal of amplifying circuit (4), amplifying circuit (4) it is defeated
Outlet is connected to the input terminal of threshold value comparison circuit (5), and the output end of threshold value comparison circuit (5) is connected to filter circuit (6)
Input terminal, the output end of filter circuit (6) are connected to the input terminal of step count circuit (7), each circuit and power interface (8) electricity
Property connection.
2. a kind of electric power arc detection device based on ultraviolet light according to claim 1, it is characterised in that: the detection
Fixed device (9) are provided on the left of device noumenon (1).
3. a kind of electric power arc detection device based on ultraviolet light according to claim 1, it is characterised in that: described is ultraviolet
(2) are popped one's head in as blind type probe.
4. a kind of electric power arc detection device based on ultraviolet light according to claim 1, it is characterised in that: described is ultraviolet
Line detection sensor (3) is charge negative-pressure type ultraviolet light detection sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811224324.8A CN109141633A (en) | 2018-10-19 | 2018-10-19 | A kind of electric power arc detection device based on ultraviolet light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811224324.8A CN109141633A (en) | 2018-10-19 | 2018-10-19 | A kind of electric power arc detection device based on ultraviolet light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109141633A true CN109141633A (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811224324.8A Pending CN109141633A (en) | 2018-10-19 | 2018-10-19 | A kind of electric power arc detection device based on ultraviolet light |
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| CN (1) | CN109141633A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030099070A1 (en) * | 2001-11-09 | 2003-05-29 | Macbeth Bruce F. | Arc fault circuit interrupter which detects the cessation of arcs of an arc fault |
| KR101358089B1 (en) * | 2013-08-14 | 2014-02-06 | 한국전기안전공사 | Apparatus for detecting ultra violet arc diagnois of switchgear |
| CN205280837U (en) * | 2015-12-08 | 2016-06-01 | 江苏奥雷光电有限公司 | Arc light detection sensor |
| CN205679713U (en) * | 2016-06-23 | 2016-11-09 | 国网辽宁省电力有限公司锦州供电公司 | Switch cubicle arc light state monitoring apparatus |
| CN208765848U (en) * | 2018-10-19 | 2019-04-19 | 江苏未来智慧信息科技有限公司 | A kind of electric power arc detection device based on ultraviolet light |
-
2018
- 2018-10-19 CN CN201811224324.8A patent/CN109141633A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030099070A1 (en) * | 2001-11-09 | 2003-05-29 | Macbeth Bruce F. | Arc fault circuit interrupter which detects the cessation of arcs of an arc fault |
| KR101358089B1 (en) * | 2013-08-14 | 2014-02-06 | 한국전기안전공사 | Apparatus for detecting ultra violet arc diagnois of switchgear |
| CN205280837U (en) * | 2015-12-08 | 2016-06-01 | 江苏奥雷光电有限公司 | Arc light detection sensor |
| CN205679713U (en) * | 2016-06-23 | 2016-11-09 | 国网辽宁省电力有限公司锦州供电公司 | Switch cubicle arc light state monitoring apparatus |
| CN208765848U (en) * | 2018-10-19 | 2019-04-19 | 江苏未来智慧信息科技有限公司 | A kind of electric power arc detection device based on ultraviolet light |
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