CN210108633U - Oil leakage detection device for oil circuit breaker - Google Patents
Oil leakage detection device for oil circuit breaker Download PDFInfo
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- CN210108633U CN210108633U CN201921283159.3U CN201921283159U CN210108633U CN 210108633 U CN210108633 U CN 210108633U CN 201921283159 U CN201921283159 U CN 201921283159U CN 210108633 U CN210108633 U CN 210108633U
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Abstract
The application provides an oil circuit breaker oil leak detection device, including laser emergence source, spectral crystal, quantitative fluorescence detector and spectral processing industrial computer. The laser generating source comprises an ultraviolet light emitting source and is arranged on one side of the oil circuit breaker, the laser emitting direction of the laser generating source faces the oil circuit breaker, and the laser generating source is used for emitting ultraviolet laser with preset frequency to the oil circuit breaker; the light splitting crystal is arranged on the other side of the oil circuit breaker and is used for filtering light rays outside a preset frequency; the quantitative fluorescence detector is arranged on a transmission light path of the beam splitter crystal and is used for receiving laser light transmitted by the beam splitter crystal and generating a fluorescence image signal according to the laser light; the spectrum processing industrial personal computer is electrically connected with the quantitative fluorescence detector and is used for acquiring a fluorescence image signal and obtaining a fluorescence image of the oil circuit breaker according to the fluorescence image signal. According to the embodiment of the application, the oil leakage position of the oil circuit breaker is obtained through the fluorescent image, and the detection accuracy is high.
Description
Technical Field
The application relates to an oil leakage detection technical field of oil circuit breakers, in particular to an oil leakage detection device of an oil circuit breaker.
Background
An oil circuit breaker is a switching device in which a sealed insulating oil is used as an arc extinguishing medium for breaking a fault. When the oil circuit breaker is switched on and off, electric arcs are generated between a moving contact and a fixed contact of the oil circuit breaker, insulating oil nearby the electric arcs is evaporated and gasified and thermally decomposed at high temperature to form gas (mainly hydrogen) with strong arc extinguishing capacity and bubbles with high pressure, and the electric arcs are extinguished quickly.
Due to the reasons that the manufacturing process of the oil circuit breaker is not strict when the oil circuit breaker leaves a factory, mechanical parts are aged after operation and the like, the oil leakage phenomenon of the oil circuit breaker in an electric power system often occurs, too much oil leakage of the oil circuit breaker affects the insulation condition, the capacity of breaking short circuit current and the like, the heat dissipation capacity and the like of the circuit breaker, the electric power accidents of breaker breakdown short circuit, explosion and the like can occur when the oil leakage is serious, and attention needs to be paid to the oil circuit breaker when a small amount of oil leakage occurs.
In the related art, the oil leakage detection of the oil circuit breaker can be detected by technical means such as naked eye detection, infrared imager test and partial discharge test, however, for a small amount of oil leakage phenomena occurring in the operation of the oil circuit breaker, the detection effect by the technical means such as the infrared imager test and the partial discharge test is not obvious.
SUMMERY OF THE UTILITY MODEL
The application provides an oil leakage detection device of an oil circuit breaker to solve the problem that a small amount of oil leakage of the oil circuit breaker is difficult to discover.
The application provides an oil circuit breaker oil leak detection device, this oil circuit breaker oil leak detection device includes: a laser generating source, a spectroscopic crystal, a quantitative fluorescence detector and a spectrum processing industrial personal computer, wherein,
the laser generating source comprises an ultraviolet light emitting source, the laser generating source is arranged on one side of the oil circuit breaker, the laser emitting direction of the laser generating source faces the oil circuit breaker, and the laser generating source is used for emitting ultraviolet laser with preset frequency to the oil circuit breaker;
the light splitting crystal is arranged on the other side of the oil circuit breaker and is used for filtering light rays outside the preset frequency;
the quantitative fluorescence detector is arranged on a transmission light path of the spectral crystal and is used for receiving laser light transmitted by the spectral crystal and generating a fluorescence image signal according to the laser light;
the spectrum processing industrial personal computer is electrically connected with the quantitative fluorescence detector and is used for acquiring the fluorescence image signal and obtaining the fluorescence image of the oil circuit breaker according to the fluorescence image signal.
Optionally, the laser generating source emits laser light in a frequency range of 360nm to 460 nm.
Optionally, the laser generating source emits laser light at a frequency comprising 365 nm.
Optionally, the fluorescence quantitative detection device further comprises an amplifier, an input end of the amplifier is connected with the quantitative fluorescence detection instrument, an output end of the amplifier is connected with the spectrum processing industrial personal computer, and the amplifier is used for amplifying the fluorescence image signal and sending the amplified signal to the spectrum processing industrial personal computer.
The application provides an oil circuit breaker oil leak detection device's beneficial effect includes:
the oil circuit breaker oil leak detection device that this application embodiment provided, the oil that utilizes ultraviolet irradiation to shine the oil circuit breaker produces the characteristic of fluorescence, utilize the laser generating source to produce ultraviolet laser irradiation oil circuit breaker, and utilize the beam splitting crystal to filter, the ultraviolet fluorescence after the filtration is received through quantitative fluorescence detector, be connected quantitative fluorescence detector and spectrum processing industrial computer, make the spectrum processing industrial computer can show the fluorescence image that contains the oil circuit breaker, according to fluorescence point or fluorescence color piece on the fluorescence image, can obtain the position that the oil circuit breaker takes place the oil leak. The embodiment of the application utilizes the light splitting crystal to carry out light filtering, improves the accuracy of oil leakage detection of the oil circuit breaker, and has the remarkable advantages of no external interference, high efficiency, portability, no damage, safety and the like.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic structural diagram of an oil leakage detection device for an oil circuit breaker according to an embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides an oil leakage detection device for an oil circuit breaker, which is used for detecting whether the oil circuit breaker has an oil leakage phenomenon. Referring to fig. 1, a schematic structural diagram of an oil leakage detection apparatus for an oil circuit breaker is provided for an embodiment of the present application.
As shown in fig. 1, an oil leakage detection apparatus for an oil circuit breaker according to an embodiment of the present application includes: the device comprises a laser generating source 1, a spectroscopic crystal 2, a quantitative fluorescence detector 3 and a spectrum processing industrial personal computer 5.
The laser generating source 1 includes an ultraviolet light emitting source capable of emitting laser light in an ultraviolet band.
In the embodiment of the application, the laser frequency range emitted by the laser generating source 1 can be selected from 360nm to 460nm, the specific selectable laser frequency is 365nm, the detection effect is good, and the oil leakage position of the oil breaker 6 can be effectively found.
The laser generating source 1 is arranged on one side of the oil breaker 6, the laser emitting direction of the laser generating source 1 faces the oil breaker 6, and the laser generating source 1 is used for emitting ultraviolet laser with preset frequency to the oil breaker 6.
The ultraviolet laser emitted by the laser generating source 1 irradiates the oil breaker 6, and if there is an oil leakage place on the oil breaker 6, the oil leaked on the oil breaker 6 will generate fluorescence after being irradiated by the ultraviolet laser of the laser generating source 1 in the embodiment of the application.
The light splitting crystal 2 is arranged on the other side of the oil breaker 6, and the light splitting crystal 2 is used for filtering light rays out of the preset frequency. After the oil breaker 6 is irradiated by ultraviolet laser emitted by the laser emission source 1, the ultraviolet laser is transmitted through the spectroscope 2.
The interference principle of light is utilized to spectral crystal 2, when multiple wavelength mixed light passed spectral crystal 2, because the refracting index difference and produce interference effect, lead to specific wavelength light to have very high transmissivity and other wavelength light by reflection and absorption, can obtain the ultraviolet fluorescence that circuit breaker oil sent behind spectral crystal 2, other light, like the ambient light of spectral crystal 2 position, like infrared ray etc., will be filtered by spectral crystal 2, make the purity of follow-up quantitative fluorescence detector's spectral image obtain promoting, image analysis's interference has been reduced.
The quantitative fluorescence detector 3 is arranged on a transmission light path of the light splitting crystal 2, and the quantitative fluorescence detector 3 is used for receiving laser light transmitted by the light splitting crystal 2 and generating a fluorescence image signal according to the laser light.
The output end of the quantitative fluorescence detector 3 can be directly connected with the spectrum processing industrial personal computer 5, the fluorescence image signal is sent to the spectrum processing industrial personal computer 5, and the fluorescence image is displayed on the spectrum processing industrial personal computer 5.
The output end of the quantitative fluorescence detector 3 can be connected with the input end of the amplifier 4, the amplifier 4 is used for amplifying a fluorescence image signal, display is convenient to be carried out on the spectrum processing industrial personal computer 5, the output end of the amplifier 4 is connected with the spectrum processing industrial personal computer 5, and the amplifier 4 sends the amplified signal to the spectrum processing industrial personal computer 5.
The spectrum processing industrial personal computer 5 comprises a display, and can acquire the amplified fluorescent image signal and obtain the amplified fluorescent image of the oil circuit breaker 6 according to the fluorescent image signal.
The fluorescent image of the oil circuit breaker 6 is manually analyzed, and the oil leakage at the fluorescent position can be judged. In fig. 1, the spectrum processing industrial personal computer 5 points to a fluorescent image, a black color block at the upper end of the oil circuit breaker in the fluorescent image is actually a fluorescent color block, and the oil leakage phenomenon at the position of the fluorescent color block of the oil circuit breaker can be judged according to the fluorescent color block.
Further, a software platform can be carried on the spectrum processing industrial personal computer 5, the software platform can be provided with an image processing and analyzing and judging module, the fluorescence image received by the spectrum processing industrial personal computer 5 is analyzed, and if the fluorescence image has no fluorescence point or fluorescence color block, the oil circuit breaker 6 is judged and displayed to have no oil leakage phenomenon; if the circuit breaker has the fluorescent points or the fluorescent color blocks, the oil leakage phenomenon of the circuit breaker is judged, and the specific position of the oil leakage of the oil circuit breaker 6 is judged according to the specific position of the fluorescent points or the fluorescent color blocks, so that the oil leakage position of the oil circuit breaker 6 is automatically identified.
It can be seen from the above embodiments that, according to the oil circuit breaker oil leakage detection device provided in this embodiment of the application, the characteristic that oil irradiated by ultraviolet light generates fluorescence is utilized, the oil circuit breaker is irradiated by ultraviolet laser generated by a laser generation source, and the ultraviolet laser is filtered by a spectroscopic crystal, the filtered ultraviolet fluorescence is received by a quantitative fluorescence detector, the quantitative fluorescence detector is connected with a spectrum processing industrial personal computer, so that the spectrum processing industrial computer can display a fluorescence image containing the oil circuit breaker, and the position of the oil circuit breaker where oil leakage occurs can be obtained according to a fluorescence point or a fluorescence color block on the fluorescence image. The embodiment of the application utilizes the light splitting crystal to carry out light ray filtration, improves the accuracy of oil leakage detection of the oil circuit breaker, and has the remarkable advantages of no external interference, high efficiency, portability, no damage, safety and the like; the amplifier is used for amplifying the fluorescent image signal generated by the quantitative fluorescent detector, so that the fluorescent image display effect on the spectral processing industrial personal computer 5 is improved, and the image analysis is facilitated.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It should be noted that in this specification, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (4)
1. An oil circuit breaker oil leak detection device, comprising: a laser generating source (1), a spectroscopic crystal (2), a quantitative fluorescence detector (3) and a spectrum processing industrial personal computer (5), wherein,
the laser generating source (1) comprises an ultraviolet light emitting source, the laser generating source (1) is arranged on one side of the oil circuit breaker, the laser emitting direction of the laser generating source (1) faces the oil circuit breaker, and the laser generating source (1) is used for emitting ultraviolet laser with preset frequency to the oil circuit breaker;
the light splitting crystal (2) is arranged on the other side of the oil circuit breaker, and the light splitting crystal (2) is used for filtering light rays outside the preset frequency;
the quantitative fluorescence detector (3) is arranged on a transmission light path of the light splitting crystal (2), and the quantitative fluorescence detector (3) is used for receiving laser light transmitted by the light splitting crystal (2) and generating a fluorescence image signal according to the laser light;
the spectrum processing industrial personal computer (5) is electrically connected with the quantitative fluorescence detector (3), the spectrum processing industrial personal computer (5) is used for obtaining the fluorescence image signal, and the fluorescence image of the oil circuit breaker is obtained according to the fluorescence image signal.
2. The oil leakage detecting apparatus of an oil circuit breaker according to claim 1, wherein the laser generating source (1) emits laser light in a frequency range including 360nm to 460 nm.
3. The oil leakage detecting apparatus of an oil circuit breaker according to claim 1, characterized in that the laser frequency emitted by the laser generating source (1) includes 365 nm.
4. The oil leakage detection device for the oil circuit breaker according to claim 1, further comprising an amplifier (4), wherein an input end of the amplifier (4) is connected with the quantitative fluorescence detector (3), an output end of the amplifier (4) is connected with the spectral processing industrial personal computer (5), and the amplifier (4) is used for amplifying the fluorescence image signal and sending the amplified signal to the spectral processing industrial personal computer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283159.3U CN210108633U (en) | 2019-08-09 | 2019-08-09 | Oil leakage detection device for oil circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283159.3U CN210108633U (en) | 2019-08-09 | 2019-08-09 | Oil leakage detection device for oil circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210108633U true CN210108633U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921283159.3U Active CN210108633U (en) | 2019-08-09 | 2019-08-09 | Oil leakage detection device for oil circuit breaker |
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| CN (1) | CN210108633U (en) |
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- 2019-08-09 CN CN201921283159.3U patent/CN210108633U/en active Active
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