CN212410760U - Sensor for monitoring electric arc generation - Google Patents
Sensor for monitoring electric arc generation Download PDFInfo
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- CN212410760U CN212410760U CN202020499050.XU CN202020499050U CN212410760U CN 212410760 U CN212410760 U CN 212410760U CN 202020499050 U CN202020499050 U CN 202020499050U CN 212410760 U CN212410760 U CN 212410760U
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Abstract
The utility model discloses a sensor that monitoring power consumption electric arc took place, including fiber probe, last by interior optics conversion coating and the filter cover of being equipped with outside to of fiber probe, fiber probe connects transmission optical fiber, transmission optical fiber connects photomultiplier, photomultiplier connects photoelectric conversion circuit, photoelectric conversion circuit connects the voltage output end. Incident light is split by the filter cover, then medium and long wavelength band ultraviolet light in the environment is converted into visible light by the optical conversion film, only ultraviolet light UV-C of residual electric arc light is in the environment, after the optical fiber probe detects the ultraviolet light UV-C, the ultraviolet light is transmitted to the photomultiplier by the transmission optical fiber, the photomultiplier converts electric arc light signals into electric signals, the electric signals are output to a voltage output end through the photoelectric conversion circuit, whether electric arcs are generated by equipment is judged according to the result of the voltage output end, so that the harm of the electric arcs is treated, and the problem that the electric arc short circuit fault cannot be timely cleared due to the fact that the arc light sensor is easy to omit monitoring is solved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field, concretely relates to sensor that monitoring power consumption electric arc takes place.
[ background of the invention ]
In recent years, with the rapid development of domestic power industry, the application number of medium and low voltage switch cabinets is increasing. The arc light short circuit in the switch cabinet is a frequent and catastrophic failure, and the safe operation of the power equipment is threatened more and more seriously. The arc short circuit fault inside the switch cabinet is often developed into a medium-low voltage bus fault due to not being cleared in time, thereby causing catastrophic consequences such as instability of a power supply system, large-area power failure, serious burning of switch equipment and the like, and even causing personal casualty accidents. Therefore, the method has very important practical significance in analyzing and researching the reasons and influencing factors of the bus fault caused by the arc short circuit fault of the switch cabinet and further taking effective protective measures.
The method that is commonly used at present is exactly adopting arc light sensor to monitor the inside electric arc of cubical switchboard, but the arc light sensor who uses at present has many problems, and first circuit structure is complicated, and manufacturing cost is higher, and second arc light sensor's monitoring effect is not good, omits the monitoring easily, makes the short-circuit fault of electric arc clear away in untimely time, causes the emergence of accident.
[ Utility model ] content
An object of the utility model is to provide a sensor that monitoring power consumption electric arc takes place solves current arc light sensor and omits the problem that the monitoring caused electric arc short circuit fault can't in time clear away easily.
In order to solve the above problem, the utility model provides a technical scheme as follows: the utility model provides a sensor that monitoring power consumption electric arc took place, is including the fiber optic probe that is used for surveying ultraviolet ray UV-C wave band, be equipped with the optical conversion membrane that converts ultraviolet ray UV-A wave band and ultraviolet ray UV-B wave band into visible light and be used for the filter cover with incident light beam split by inside to outside on the fiber optic probe, fiber optic probe connects transmission optical fiber, transmission optical fiber connects photomultiplier, photomultiplier connects photoelectric conversion circuit, photoelectric conversion circuit connects voltage output end.
The optical fiber probe is connected with the transmission optical fiber through a connecting piece, a clamping hole is formed in the connecting piece, and the output end of the optical fiber probe and the input end of the transmission optical fiber are respectively inserted into the clamping hole and then are connected with each other.
The diameter of the output end of the optical fiber probe is 1.2-1.8 times of the diameter of the input end of the transmission optical fiber.
And a monitoring optical fiber connected with the output end of the optical fiber probe is arranged in the clamping hole, and the monitoring optical fiber is electrically connected with the self-checking circuit.
The core diameters of the monitoring optical fiber and the transmission optical fiber are the same.
The transmission optical fiber is a side optical fiber with a photosensitive side surface.
The filter shade is a glass cap and is spherical or ellipsoidal.
The optical conversion film is a red light fluorescent powder optical conversion film arranged on the inner side surface of the filter cover.
Compared with the prior art, the utility model discloses a sensor that monitoring power consumption electric arc takes place has following advantage:
1. the sensor for monitoring the electric arc generation comprises a light filter cover, an optical conversion film, a photoelectric multiplier tube, a photoelectric conversion circuit and a photoelectric conversion circuit, wherein incident light is split by the light filter cover to obtain appropriate light quantity, ultraviolet light UV-A, UV-B in the environment is converted into visible light in an orange-red to red wavelength range through the optical conversion film, the ultraviolet light UV-C radiated by the sun is reflected by the atmosphere, the ultraviolet light UV-C in the environment is not in the normal condition, only the ultraviolet light UV-C in the arc light is left in the environment, special arc light information, namely the ultraviolet light UV-C, is detected through the optical fiber probe and then is, the arc light sensor has the advantages that a worker can judge whether electric arcs are generated in the electrical equipment according to the result of the voltage output end and deal with the damage caused by the electric arcs, so that the greater loss is avoided, and the problem that the arc short circuit fault cannot be cleared in time due to the fact that the existing arc light sensor is easy to omit monitoring is solved;
2. the utility model provides a sensor that monitoring power consumption electric arc takes place is through the transmission optical fiber that adopts sidelight optical fiber and the cooperation of the filter cover of specific ball form or ellipsoid form, the filter cover of ball form or ellipsoid form has the emergence that can receive the power consumption electric arc in the bigger visual angle scope promptly, and the electric arc light characteristic of output changes little characteristics along with the angle, the monitoring rate of accuracy of arc light sensor has been improved, avoid the condition of current arc light sensor omitting the monitoring easily, the problem that the monitoring caused the unable timely clearance of electric arc short circuit trouble has been solved to current arc light sensor of omitting easily.
[ description of the drawings ]
Fig. 1 is a schematic diagram of a circuit connection according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: as shown in fig. 1 and fig. 2, this embodiment provides a sensor for monitoring electric arc occurrence, including an optical fiber probe 1 for detecting an ultraviolet UV-C band, an optical conversion film 11 for converting the ultraviolet UV-a band and the ultraviolet UV-B band into visible light and a filter cover 12 for splitting incident light are disposed on the optical fiber probe 1 from inside to outside, the optical fiber probe 1 is connected to a transmission optical fiber 2, the transmission optical fiber 2 is connected to a photomultiplier tube 3, the photomultiplier tube 3 is connected to a photoelectric conversion circuit 4, and the photoelectric conversion circuit 4 is connected to a voltage output end 5. The sensor for monitoring the electric arc generation firstly splits incident light through the filter cover to obtain proper light quantity, then converts ultraviolet light UV-A and ultraviolet light UV-B in the environment into visible light through the optical conversion film, because the ultraviolet light UV-C radiated by the sun is reflected by the atmosphere, the environment is generally free of the ultraviolet light UV-C, only the ultraviolet light UV-C in the arc light is left in the environment, after the arc light information, namely the ultraviolet light UV-C, is detected through the optical fiber probe, the arc light information is transmitted to the photomultiplier tube 3 through the transmission optical fiber 2, the photomultiplier tube 3 converts the arc light signal into an electric signal and simultaneously enhances the intensity of the electric signal, and the electric signal is output to the voltage output end 5 after being shaped and filtered and re-amplified by the photoelectric conversion circuit 4, so that a worker can judge whether the electric arc is generated by the electric equipment according to the result of the voltage output end, the arc light sensor solves the problem that the arc short circuit fault cannot be cleared away in time due to the fact that monitoring is easily omitted by an existing arc light sensor.
As shown in fig. 2, in this embodiment, the optical fiber probe 1 is connected to the transmission optical fiber 2 through a connecting member 6, a clamping hole 61 is formed in the connecting member 6, and the output end of the optical fiber probe 1 and the input end of the transmission optical fiber 2 are respectively inserted into the clamping hole 61 and then connected to each other.
The diameter of the output end of the optical fiber probe 1 is 1.2-1.8 times of the diameter of the input end of the transmission optical fiber 2, so that optical signals of electric arcs of the optical fiber probe 1 can be better transmitted to the transmission optical fiber, and normal photosensitive operation of a sensor for monitoring the occurrence of electric arcs is ensured.
Be equipped with in the joint hole 61 with monitoring optic fibre 62 that 1 output of fiber probe is connected, monitoring optic fibre 62 is connected with the self-checking circuit electricity, and monitoring optic fibre is used for monitoring whether fiber probe normally works with the self-checking circuit connection back. When the optical fiber probe 2 works normally, the monitoring optical fiber and the self-checking circuit work normally; when the optical fiber probe 2 goes wrong, the monitoring optical fiber and the self-checking circuit can send out an alarm to remind a worker to replace or maintain the optical fiber probe of the sensor.
The core diameter of the monitoring optical fiber 62 is the same as that of the transmission optical fiber 2, so that the optical signal of the electric arc of the optical fiber probe 1 can be better transmitted to the monitoring optical fiber, and the normal photosensitive operation of the sensor for monitoring the electric arc is ensured.
The transmission optical fiber 2 is a side optical fiber with a photosensitive side surface.
The filter cover 12 is a glass cap and is in a spherical or ellipsoidal shape, the spherical or ellipsoidal filter cover has the advantages that the generation of an electric arc within a larger visual angle range can be received, the output arc light characteristic changes slightly along with the angle, ultraviolet light long wave and medium wave bands in the filtered arc light, namely ultraviolet light UV-A and ultraviolet light UV-B, only ultraviolet light of the short wave bands in the arc light is received, namely ultraviolet light UV-C, the monitoring accuracy of the arc light sensor is improved by the larger visual angle detection range and special detection information, the problem that the arc short circuit fault cannot be timely cleared due to the fact that the existing arc light sensor is easily overlooked and monitored is better solved.
The optical conversion film 11 is a phosphor optical conversion film of visible light arranged on the inner side surface of the filter cover 12, and can convert ultraviolet light in arc light and environment into visible light, and ultraviolet light in a middle waveband, namely ultraviolet light in a UV-A, UV-B waveband, so as to reduce the influence of ultraviolet radiation in the environment on an ultraviolet short wave band, namely ultraviolet light UV-C, generated by the electric arc for monitoring the sensor. The optical conversion film of the red phosphor in the embodiment is made of the red phosphor described in patent CN101126025A, and the optical conversion film made of the red phosphor can convert ultraviolet light with a radiation waveband of 280-410 nm into visible light with a wavelength range of 615-628 nm orange red to red.
The sensor for monitoring the electric arc generation of the embodiment comprises the steps of firstly splitting incident light through a filter cover to obtain proper light quantity, then converting ultraviolet light UV-A and ultraviolet light UV-B in the environment into visible light in a wavelength range from orange red to red through an optical conversion film, wherein the ultraviolet light UV-C radiated by the sun is reflected by the atmosphere, the ultraviolet light UV-C is not existed in the environment under the common condition, only the ultraviolet light UV-C in arc light is remained in the environment, arc light information, namely the ultraviolet light UV-C generated by the arc light, is detected through a fiber probe, the ultraviolet light UV-C is transmitted to a photomultiplier through a transmission optical fiber, the photomultiplier converts an arc light signal into an electric signal, meanwhile, the intensity of the electric signal is enhanced, and the electric signal is subjected to shaping filtering, shaping filtering and the photoelectric conversion circuit, The signal is output to the voltage output end after being amplified again, so that a worker can judge whether electric arcs are generated in the electrical equipment according to the result of the voltage output end, the damage caused by the electric arcs can be dealt with in time, the larger loss is avoided, and the problem that the electric arc short circuit fault cannot be cleared in time due to the fact that the existing arc light sensor is easy to omit monitoring is solved; through the transmission optical fiber who adopts sidelight optical fiber and the cooperation of the filter cover of specific ball form or ellipsoid form, the filter cover of ball form or ellipsoid form has the emergence that can receive the power consumption electric arc in the bigger visual angle scope and the little characteristics of electric arc light characteristic of output along with the angular variation promptly, bigger visual angle detection range and special detected information have improved arc light sensor's monitoring rate of accuracy, avoid current arc light sensor to omit the monitoring easily, solved current arc light sensor and omitted the monitoring easily and cause the problem that electric arc short circuit fault can't in time clear up.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A sensor for monitoring the occurrence of an electrical arc, comprising: including optical fiber probe (1) that is used for surveying ultraviolet ray UV-C wave band, optical fiber probe (1) is gone up by interior outside to be equipped with optical conversion membrane (11) that convert ultraviolet ray UV-A wave band and ultraviolet ray UV-B wave band into visible light and be used for filter cover (12) with incident light beam split, transmission fiber (2) are connected in optical fiber probe (1), photomultiplier (3) are connected in transmission fiber (2), photoelectric conversion circuit is connected in photomultiplier (3), photoelectric conversion circuit connects the voltage output end.
2. A sensor for monitoring the occurrence of an electrical arc as in claim 1, wherein: the optical fiber probe (1) is connected with the transmission optical fiber (2) through a connecting piece (6), a clamping hole (61) is formed in the connecting piece (6), and the output end of the optical fiber probe (1) and the input end of the transmission optical fiber (2) are respectively inserted into the clamping hole (61) and then are connected with each other.
3. The sensor for monitoring the occurrence of an electrical arc according to claim 2, wherein: the diameter of the output end of the optical fiber probe (1) is 1.2-1.8 times of the diameter of the input end of the transmission optical fiber (2).
4. The sensor for monitoring the occurrence of an electrical arc according to claim 2, wherein: the optical fiber monitoring device is characterized in that a monitoring optical fiber (62) connected with the output end of the optical fiber probe (1) is arranged in the clamping hole (61), and the monitoring optical fiber (62) is electrically connected with the self-checking circuit.
5. The sensor for monitoring the occurrence of an electrical arc according to claim 4, wherein: the monitoring fiber (62) has the same core diameter as the transmission fiber (2).
6. A sensor for monitoring the occurrence of an electrical arc as in claim 1, wherein: the transmission optical fiber (2) is a side optical fiber with a photosensitive side surface.
7. A sensor for monitoring the occurrence of an electrical arc as in claim 1, wherein: the light filtering cover (12) is a glass cap and is spherical or ellipsoidal.
8. A sensor for monitoring the occurrence of an electrical arc as in claim 1, wherein: the optical conversion film (11) is a red fluorescent powder optical conversion film arranged on the inner side surface of the filter cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499050.XU CN212410760U (en) | 2020-04-07 | 2020-04-07 | Sensor for monitoring electric arc generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499050.XU CN212410760U (en) | 2020-04-07 | 2020-04-07 | Sensor for monitoring electric arc generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212410760U true CN212410760U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020499050.XU Active CN212410760U (en) | 2020-04-07 | 2020-04-07 | Sensor for monitoring electric arc generation |
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| CN (1) | CN212410760U (en) |
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- 2020-04-07 CN CN202020499050.XU patent/CN212410760U/en active Active
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Address after: 2 / F and 3 / F, block a, No.5 Dongli South Road, Torch Development Zone, Zhongshan City, Guangdong Province, 528400 Patentee after: Guangdong Xinxuan Electronic Technology Co.,Ltd. Address before: 2 / F and 3 / F, block a, No.5 Dongli South Road, Torch Development Zone, Zhongshan City, Guangdong Province, 528400 Patentee before: ZHONGSHAN XINXUAN ELECTRONIC TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |