CN109638670A - A kind of switchgear with electric arc on-line measuring device - Google Patents
A kind of switchgear with electric arc on-line measuring device Download PDFInfo
- Publication number
- CN109638670A CN109638670A CN201811505843.1A CN201811505843A CN109638670A CN 109638670 A CN109638670 A CN 109638670A CN 201811505843 A CN201811505843 A CN 201811505843A CN 109638670 A CN109638670 A CN 109638670A
- Authority
- CN
- China
- Prior art keywords
- groove
- switchgear
- electric arc
- detection device
- line measuring
- Prior art date
- 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.)
- Granted
Links
- 238000010891 electric arc Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000036760 body temperature Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The present invention relates to a kind of switchgears with electric arc on-line measuring device, including cabinet body, bottom of cabinet bulk is provided with groove, the setting of groove front openings, the left and right sides of groove is provided with several thermovents, at least provided with a sliding rail in groove, detection device bottom is slidably installed in sliding rail at least provided with a sliding slot, detection device by sliding slot.The present invention will test in the bottom groove that device is placed in switchgear, one side opening of groove, facilitate the installation and removal of detection device, sliding rail is set in groove, in detection device bottom, sliding slot is set, detection device is mounted in groove along sliding set of opening of groove, solves electric arc detecting device in existing switchgear and screw is mostly used to fix, mount and dismount troublesome problem；The left and right sides of groove opens up several thermovents, after generating a large amount of heat in electronic equipment operational process each in cabinet body, can effectively be radiated by thermovent, and heat is avoided to be gathered in cabinet body for a long time.
Description
Technical field
The present invention relates to a kind of switchgears with electric arc on-line measuring device.
Background technique
The switch cabinet equipment due to caused by arc short circuit failure is seriously burnt, and some even develops into substantial equipment thing
Therefore and most of these accidents are because caused by cannot finding arc fault in time, many switchgears in the prior art
Be provided with electric arc detecting device, and in the prior art in switchgear electric arc detecting device fixed form, mostly use screw solid
It is fixed, when needing repairing or replacing, disassembly trouble, and danger coefficient is big, back panel wiring structure easy to damage, and screw is fixed easy
Corrosion, it would therefore be highly desirable to provide a kind of switchgear for being easily installed switchgear electric arc detecting device.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of switchgear with electric arc on-line measuring device, solve existing
There is electric arc detecting device in switchgear that screw is mostly used to fix, mounts and dismounts troublesome problem.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of switchgear with electric arc on-line measuring device, including cabinet body and detection device, the bottom of cabinet bulk are provided with
Groove, the groove front openings setting, the left and right sides of the groove is provided with several thermovents, at least sets in the groove
There is a sliding rail, the detection device bottom is slidably installed in sliding rail at least provided with a sliding slot, detection device by sliding slot.
It by using above-mentioned technical proposal, will test in the bottom groove that device is placed in switchgear, groove side is opened
Mouthful, facilitate the installation and removal of detection device, sliding rail is set in groove, sliding slot, detection device edge are set in detection device bottom
Sliding set of the opening of groove is mounted in groove, and the left and right sides of groove opens up several thermovents, when electronic equipment each in cabinet body
It after generating a large amount of heat in operational process, can effectively be radiated by thermovent, heat is avoided to be gathered in cabinet body for a long time,
The service performance of equipment is influenced, or even burns internal components, in groove, heat dissipation channel is constituted between sliding rail and groove, into one
Step alleviates the heat dissipation of cabinet body, is that the good operation of electronic equipment creates good working environment.
Preferably, the thermovent is equipped with protection edge edge, and the protection edge is along with reclinate cambered surface.
By using above-mentioned technical proposal, the cambered surface on protection edge edge, which has thermovent, blocks effect well, when encountering
Rain and snow weather effectively can avoid sleet from falling into interior of the cabinet；Light direct irradiation interior of the cabinet device can also be effectively kept out, is kept away
Exempt from light irradiation and generates heat.
Preferably, the bottom portion of groove is respectively equipped with several air holes.
By using above-mentioned technical proposal, heat dissipation channel is constituted between sliding rail and groove, air hole is then in heat dissipation channel
Heat timely disperse so that the flat perseverance of cabinet body temperature, keeps body internal and external temperature harmony, electronic equipment is promoted to practice
In comprehensive benefit be not fully exerted.
Preferably, the detection device includes being sequentially connected light-receiving head, leaded light device and the detection of setting from top to bottom
Main body.
By using above-mentioned technical proposal, it is provided with detection device in switchgear, the electric arc in switchgear is carried out real
When detect, when detecting electric arc too high levels, can ahead of time find, reduce electric arc device in switchgear and switchgear is broken
It is bad；Light-receiving head is exposed in cabinet body for receiving arclight；Leaded light device is connected between light-receiving head and detection main body and uses
In conduction arclight；Detection main body receives arclight and filters to obtain ultraviolet signal for received arclight, then by ultraviolet light
Signal is converted to electric signal, and detection speed is fast, high sensitivity.
Preferably, the detection main body includes the sensor detection unit being sequentially connected electrically, processor and power module.
By using above-mentioned technical proposal, received arclight is filtered to obtain ultraviolet light letter for sensor detection unit
Number, and ultraviolet signal is converted into ultraviolet light photo signal, then ultraviolet light photo signal is converted into measurable electric signal；Processing
Device includes liquid crystal display, is class conversion and processing by carrying out one to measurable electric signal, finally on liquid crystal display
Display treated information, facilitates the quick reading of information；Power module provides power supply for processor and sensor detection unit,
Guarantee consistently online work.
Preferably, the sensor detection unit include sequentially connected filter unit, solar blind UV electricity multiplier tube and
UV sensor.
By using above-mentioned technical proposal, received arclight is filtered to obtain ultraviolet signal by filter unit, day blind purple
The faint ultraviolet signal that outer photomultiplier tube will test is converted into ultraviolet light photo signal, and UV sensor then will test
Ultraviolet light photo signal be converted into measurable electric signal；Solar blind UV electricity multiplier tube is only to the ultraviolet light spoke of day blind ultra-violet (UV) band
Penetrate it is sensitive, it is insensitive to spectral radiance such as visible light, near ultraviolets other than day blind ultra-violet (UV) band, to remove the dry of visible light source
It disturbs, can quickly and accurately detect electric arc, strong antijamming capability, high sensitivity.
In conclusion advantages of the present invention:
1. will test in the bottom groove that device is placed in switchgear, one side opening of groove facilitates the peace of detection device
Assembly and disassembly, groove is interior to be arranged sliding rail, sliding slot is arranged in detection device bottom, detection device is mounted on along sliding set of opening of groove
In groove, installation and removal are convenient；
2. the left and right sides of groove opens up several thermovents, a large amount of when generating in electronic equipment operational process each in cabinet body
Heat after, can effectively be radiated by thermovent, avoid heat for a long time be gathered in cabinet body, influence the usability of equipment
Can, or even internal components are burnt, in groove, heat dissipation channel is constituted between sliding rail and groove, further alleviates the heat dissipation of cabinet body,
Good working environment is created for the good operation of electronic equipment；
3. thermovent is equipped with protection edge edge, the cambered surface on protection edge edge, which has thermovent, blocks effect well, works as chance
To rain and snow weather, effectively sleet can be avoided to fall into interior of the cabinet；Light direct irradiation interior of the cabinet device can also be effectively kept out,
Light irradiation is avoided to generate heat；
4. bottom portion of groove there are several air holes respectively, heat dissipation channel is constituted between sliding rail and groove, air hole is then to heat dissipation
Heat in channel timely disperses, so that the flat perseverance of cabinet body temperature, keeps body internal and external temperature harmony, promote electronic equipment
Comprehensive benefit in practice is not fully exerted；
5. detection device includes solar blind UV electricity multiplier tube, solar blind UV electricity multiplier tube be will test faint ultraviolet
Optical signal is converted into ultraviolet light photo signal, and the ultraviolet light photo signal that UV sensor then will test is converted into measurable electricity
Signal；Solar blind UV electricity multiplier tube is only sensitive to the ultraviolet radiation of day blind ultra-violet (UV) band, to visible other than day blind ultra-violet (UV) band
The spectral radiance such as light, near ultraviolet are insensitive, to remove the interference of visible light source, can quickly and accurately detect electric arc, resist dry
It is strong to disturb ability, high sensitivity.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of further groove of the present invention；
Fig. 3 is the block diagram connection schematic diagram of detection device in the present invention；
Fig. 4 is the block diagram connection schematic diagram that main body is detected in the present invention.
Appended drawing reference:
1, cabinet body；2, groove；3, it is open；4, thermovent；5, sliding rail；6, sliding slot；7, detection device；8, protection edge edge；9,
Cambered surface；10, air hole；11, light-receiving head；12, leaded light device；13, main body is detected；14, sensor detection unit；15, it handles
Device；16, power module；17, filter unit；18, solar blind UV electricity multiplier tube；19, UV sensor；20, heat dissipation is logical
Road.
Specific embodiment
Embodiment:
A kind of switchgear with electric arc on-line measuring device, as shown in Figure 1, Figure 2, Fig. 3 and Fig. 4, including cabinet body 1 and detection dress
7 are set, 1 bottom of cabinet body is provided with groove 2,2 front openings 3 of the groove setting, if the left and right sides of the groove 2 is provided with
Dry thermovent 4, the groove 2 is interior at least provided with a sliding rail 5, and 7 bottom of detection device is at least provided with a sliding slot 6, inspection
Device 7 is surveyed to be slidably installed in sliding rail 5 by sliding slot 6.
It will test in the bottom groove 2 that device 7 is placed in switchgear, 2 one side opening 3 of groove facilitates detection device 7
Installation and removal, groove 2 is interior to be arranged sliding rail 5, and sliding slot 6, opening 3 of the detection device 7 along groove 2 is arranged in 7 bottom of detection device
Sliding set is mounted in groove 2, and the left and right sides of groove 2 opens up several thermovents 4, when electronic equipment each in cabinet body 1 was run
After generating a large amount of heat in journey, it can effectively be radiated by thermovent 4, avoid heat from being gathered in cabinet body 1 for a long time, influence
The service performance of equipment, or even internal components are burnt, in groove 2, heat dissipation channel is constituted between sliding rail 5 and groove 2, further
Alleviate the heat dissipation of cabinet body 1, is that the good operation of electronic equipment creates good working environment.
Thermovent 4 is equipped with protection edge along 8, and protection edge has a reclinate cambered surface 9 along 8, protection edge along 8 cambered surface 9
Have to thermovent 4 and block effect well, when encountering rain and snow weather, can effectively avoid sleet from falling into inside cabinet body 1；It can also
1 internal components of light direct irradiation cabinet body effectively are kept out, light irradiation is avoided to generate heat.
2 bottom of groove is respectively equipped with several air holes 10, and heat dissipation channel 20, air hole 10 are constituted between sliding rail 5 and groove 2
Then the heat in heat dissipation channel 20 is timely dispersed, so that the flat perseverance of temperature in cabinet body 1, keeps 1 internal and external temperature harmony of cabinet body,
The comprehensive benefit of electronic equipment in practice is promoted to be not fully exerted.
Detection device 7 includes the light-receiving head 11 for being sequentially connected setting from top to bottom, leaded light device 12 and detection main body 13；
It is provided with detection device 7 in switchgear, the electric arc in switchgear is measured in real time, when detecting electric arc too high levels
When, it can find ahead of time, reduce destruction of the electric arc to device in switchgear and switchgear；Light-receiving head 11 is exposed in cabinet body 1
For receiving arclight；Leaded light device 12 is connected between light-receiving head 11 and detection main body 13 for conducting arclight；Detection
Main body 13 receives arclight and filters received arclight to obtain ultraviolet signal, then ultraviolet signal is converted to telecommunications
Number, detection speed is fast, high sensitivity.
Detection main body 13 includes the sensor detection unit 14 being sequentially connected electrically, processor 15 and power module 16；Sensing
Received arclight is filtered to obtain ultraviolet signal for device detection unit 14, and ultraviolet signal is converted into ultraviolet light photo
Signal, then ultraviolet light photo signal is converted into measurable electric signal；Processor 15 includes liquid crystal display, by can survey
It is class conversion and processing that the electric signal of amount, which carries out one, finally in liquid crystal display screen display treated information, facilitates information
Quickly read；Power module 16 is processor 15 and sensor detection unit 14 provides power supply, guarantees consistently online work.
Sensor detection unit 14 includes sequentially connected filter unit 17, solar blind UV electricity multiplier tube 18 and ultraviolet
Line sensor 19；Filter unit 17 filters received arclight to obtain ultraviolet signal, and solar blind UV electricity multiplier tube 18 will
The faint ultraviolet signal of detection is converted into ultraviolet light photo signal, the ultraviolet light telecommunications that UV sensor 19 then will test
Number it is converted into measurable electric signal；Solar blind UV electricity multiplier tube 18 is only sensitive to the ultraviolet radiation of day blind ultra-violet (UV) band, right
The spectral radiance such as visible light, near ultraviolet other than day blind ultra-violet (UV) band are insensitive, so that the interference of visible light source is removed, it can be accurate
Quickly detection electric arc, strong antijamming capability, high sensitivity.
Exception is preferably implemented, there are other embodiments of the invention, and those skilled in the art can make according to the present invention
Various changes and variants out, as long as it does not depart from the spirit of the invention, should belong to model defined in appended claims of the present invention
It encloses.
Claims (6)
1. a kind of switchgear with electric arc on-line measuring device, it is characterised in that: including cabinet body and detection device, the cabinet body
Bottom is provided with groove, and the groove front openings setting, the left and right sides of the groove is provided with several thermovents, the groove
It is interior at least provided with a sliding rail, the detection device bottom is slidably installed in cunning by sliding slot at least provided with a sliding slot, detection device
In rail.
2. a kind of switchgear with electric arc on-line measuring device according to claim 1, it is characterised in that: the heat dissipation
Mouth is equipped with protection edge edge, and the protection edge is along with reclinate cambered surface.
3. a kind of switchgear with electric arc on-line measuring device according to claim 1, it is characterised in that: the groove
Bottom is respectively equipped with several air holes.
4. a kind of switchgear with electric arc on-line measuring device according to claim 1, it is characterised in that: the detection
Device includes the light-receiving head for being sequentially connected setting from top to bottom, leaded light device and detection main body.
5. a kind of switchgear with electric arc on-line measuring device according to claim 4, it is characterised in that: the detection
Main body includes the sensor detection unit being sequentially connected electrically, processor and power module.
6. a kind of switchgear with electric arc on-line measuring device according to claim 5, it is characterised in that: the sensing
Device detection unit includes sequentially connected filter unit, solar blind UV electricity multiplier tube and UV sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505843.1A CN109638670B (en) | 2018-12-10 | 2018-12-10 | Switch cabinet with electric arc on-line detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505843.1A CN109638670B (en) | 2018-12-10 | 2018-12-10 | Switch cabinet with electric arc on-line detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109638670A true CN109638670A (en) | 2019-04-16 |
| CN109638670B CN109638670B (en) | 2024-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811505843.1A Active CN109638670B (en) | 2018-12-10 | 2018-12-10 | Switch cabinet with electric arc on-line detection device |
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| Country | Link |
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| CN (1) | CN109638670B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109638670B (en) | 2024-04-02 |
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