CN114464492A - Simulated SF6Gas-decomposing isolating knife switch - Google Patents
Simulated SF6Gas-decomposing isolating knife switch Download PDFInfo
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- CN114464492A CN114464492A CN202111605756.5A CN202111605756A CN114464492A CN 114464492 A CN114464492 A CN 114464492A CN 202111605756 A CN202111605756 A CN 202111605756A CN 114464492 A CN114464492 A CN 114464492A
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- 238000002955 isolation Methods 0.000 claims abstract description 55
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 45
- 230000003068 static effect Effects 0.000 claims abstract description 22
- 238000002211 ultraviolet spectrum Methods 0.000 claims abstract description 14
- 238000001228 spectrum Methods 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000004088 simulation Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/04—Cases; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
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Abstract
The invention relates to a simulated SF6And an isolation knife switch for gas decomposition. The simulated SF6The gas decomposition isolating switch comprises a shell, an isolating switch moving contact, an isolating switch static contact, an ultraviolet light emitter, an ultraviolet light receiver and an ultraviolet spectrum detector. When the ultraviolet light receiver is used, ultraviolet light emitted by the ultraviolet light emitter penetrates through the interior of the shell through the first through hole and the second through hole and is received by the ultraviolet light receiver. The ultraviolet spectrum detector detects the spectrum of the ultraviolet light received by the ultraviolet light receiver, so that the SF inside the shell can be judged by detecting the ultraviolet light spectrum6Whether gas decomposition occurs and SF6Degree of gas decomposition, establishing an ultraviolet spectrumAnd SF6The relationship of gas decomposition is whether the isolating switch is due to SF6The judgment of the fault generated by gas decomposition provides a basis.
Description
Technical Field
The invention relates to the technical field of electrical elements, in particular to a simulation SF6And an isolation knife switch for gas decomposition.
Background
The isolating knife switch is in the electrical equipmentThe use of more electrical elements, in electrical equipment, can carry out effective control to the break-make of circuit through the setting of isolation switch, guarantee the safe operation of circuit. During the design process of the isolation switch, the isolation switch is usually filled with SF6The gas keeps the insulativity among all parts in the isolation disconnecting link, the short circuit problem in the isolation disconnecting link is avoided, and the safety of the isolation disconnecting link in work can be effectively improved.
As the service life of the isolation switch is prolonged, SF inevitably occurs6The problem of gas decomposition. SF6The decomposition of the gas can adversely affect the sensitivity of the isolation switch and can also lead to the rejection of the isolation switch to a serious extent. In the traditional use process, the use fault of the isolation disconnecting link is often judged according to the service life of components in the isolation disconnecting link, and the SF is difficult to judge according to6And judging the use fault of the isolation knife by using the gas decomposition condition.
Disclosure of Invention
Based on this, it is necessary to provide a simulated SF6And an isolation knife switch for gas decomposition. The isolation disconnecting link can be used for SF connection6The gas decomposition condition is simulated, and the isolation switch is made of SF6The judgment of the fault generated by gas decomposition provides a basis.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an object of the present invention is to provide a simulated SF6And an isolation knife switch for gas decomposition. The simulated SF6The gas decomposition isolation switch comprises a shell, an isolation switch moving contact, an isolation switch static contact, an ultraviolet light emitter, an ultraviolet light receiver and an ultraviolet spectrum detector;
the isolating switch moving contact is movably connected to the inside of the shell, the isolating switch static contact is fixed to the inside of the shell, the isolating switch moving contact can move to abut against the isolating switch static contact, and the isolating switch moving contact and the isolating switch static contact are matched to realize the on-off of a circuit;
the shell is provided with a first side wall and a second side wall, a first through hole is formed in the first side wall, a second through hole is formed in the second side wall, the first through hole is far away from the bottom of the shell compared with the moving contact and the static contact of the isolating switch, and the second through hole is far away from the bottom of the shell compared with the moving contact and the static contact of the isolating switch;
the ultraviolet light emitter is arranged outside the shell, the emitting end of the ultraviolet light emitter is positioned on the first side wall, the ultraviolet light receiver is arranged outside the shell, and the receiving end of the ultraviolet light receiver is positioned on the second side wall; the transmitting end of the ultraviolet light emitter transmits the emitted ultraviolet light through the first through hole and the second through hole and the ultraviolet light receiver receives the ultraviolet light through the inner part of the shell;
the ultraviolet spectrum detector is electrically connected with the ultraviolet light receiver and is used for detecting the spectrum of the ultraviolet light received by the ultraviolet light receiver.
In one embodiment, the first sidewall and the second sidewall are oppositely disposed.
In one embodiment, the height of the first through hole from the bottom of the shell is equal to the height of the second through hole from the bottom of the shell.
In one embodiment, the diameter of the first through hole is 8 mm-12 mm; and/or the presence of a gas in the gas,
the diameter of the second through hole is 8 mm-12 mm.
In one embodiment, the simulated SF6The gas decomposition isolation switch also comprises a first quartz glass sheet which covers the first through hole; and/or the presence of a gas in the gas,
the second quartz glass sheet covers the second through hole.
In one embodiment, the simulated SF6The gas decomposition isolation switch also comprises a heater connected to the inside of the shell for heating the inside of the shell.
In one embodiment, the heater is further away from the bottom of the housing than the moving isolating switch contact and the fixed isolating switch contact.
In one embodiment, the simulated SF6The isolation switch for gas decomposition further comprises a moisture detector connected to the inside of the housing for detecting the humidity inside the housing.
In one embodiment, the moisture detector is further away from the bottom of the housing than the moving isolator contact and the stationary isolator contact.
In one embodiment, the first through hole is located between the heater and the moisture detector in a direction along a bottom to a top of the housing.
The above-mentioned simulated SF6The gas decomposition isolating switch comprises a shell, an isolating switch moving contact, an isolating switch static contact, an ultraviolet light emitter, an ultraviolet light receiver and an ultraviolet spectrum detector. The isolator moving contact swing joint is in the inside of casing, and the isolator static contact is fixed in the inside of casing, and the isolator moving contact can move to the butt in the isolator static contact, and the isolator moving contact can cooperate the break-make that realizes the circuit with the isolator static contact. The shell is provided with a first side wall and a second side wall, a first through hole is formed in the first side wall, a second through hole is formed in the second side wall, the first through hole is far away from the bottom of the shell compared with the isolating switch moving contact and the isolating switch static contact, and the second through hole is far away from the bottom of the shell compared with the isolating switch moving contact and the isolating switch static contact. The ultraviolet light emitter is arranged outside the shell, the emitting end of the ultraviolet light emitter is positioned on the first side wall, the ultraviolet light receiver is arranged outside the shell, and the receiving end of the ultraviolet light receiver is positioned on the second side wall; the transmitting end of the ultraviolet light transmitter transmits the emitted ultraviolet light through the first through hole and the second through hole and the ultraviolet light receiver receives the ultraviolet light through the inner part of the shell. The ultraviolet spectrum detector is electrically connected with the ultraviolet light receiver and is used for detecting the spectrum of the ultraviolet light received by the ultraviolet light receiver. In the above-mentioned simulated SF6In the gas-decomposing isolating switch, the first through hole and the second through holeThe through holes are far away from the bottom of the shell body compared with the isolating switch moving contact and the isolating switch static contact, so that a light channel formed by connecting the first through hole and the second through hole is located in the position, without other connecting parts, of the shell body, and the influence of light on the transmission process is reduced. When using the above-described simulated SF6When the gas is decomposed to separate the knife switch, SF is filled in the shell6And the ultraviolet light emitted by the ultraviolet light emitter passes through the inside of the shell through the first through hole and the second through hole and is received by the ultraviolet light receiver. When the ultraviolet light is received, the ultraviolet spectrum detector detects the spectrum of the ultraviolet light received by the ultraviolet light receiver, so that the SF inside the housing can be determined by detecting the ultraviolet light spectrum6Whether gas decomposition occurs and SF6Degree of gas decomposition, establishment of ultraviolet spectra and SF6The relationship of gas decomposition is whether the isolating switch is due to SF6The judgment of the fault generated by gas decomposition provides a basis.
Drawings
FIG. 1 is a diagram of simulated SF data in an embodiment of the present invention6The structure schematic diagram of the gas decomposition isolation knife switch;
FIG. 2 is a schematic view of the direction A corresponding to FIG. 1;
FIG. 3 is a schematic view of the direction B corresponding to FIG. 1;
FIG. 4 is a simulated SF corresponding to FIG. 16The internal structure schematic diagram of the gas decomposition isolation disconnecting link;
FIG. 5 is a schematic view in the direction C-C of FIG. 4;
FIG. 6 is a simulated SF corresponding to FIG. 16The structure of the heater in the gas decomposition isolation knife switch is shown schematically.
The notation in the figure is:
100. simulated SF6An isolation switch for gas decomposition; 101. a housing; 1011. a first side wall; 10111. a first through hole; 1012. a second side wall; 10121. a second through hole; 102. a moving contact of the isolating switch; 103. a fixed contact of the isolating switch; 104. a first quartz glass sheet; 105. a second quartz glass plate; 106. a heater; 1061. air holes; 1062. an aluminum alloy sleeve; 1063. solid insulating material(ii) a 1064. Heating a tube; 1065. a thermocouple; 1066. an outgoing line; 1067. setting a temperature display; 1068. an actual temperature display; 1069. a controller; 107. a moisture detector; 108. an adsorber; 109. pushing a cart; 1091. a handle.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 6, an embodiment of the invention provides a simulated SF6Gas-decomposed isolation switch 100. The simulated SF6The gas-decomposing isolating switch 100 includes a housing 101, a moving isolator contactor 102, a stationary isolator contactor 103, an ultraviolet light emitter (not shown), an ultraviolet light receiver (not shown), and an ultraviolet spectrum detector (not shown). The isolating switch moving contact 102 is movably connected inside the shell 101, the isolating switch fixed contact 103 is fixed inside the shell 101, the isolating switch moving contact 102 can move to abut against the isolating switch fixed contact 103, and the isolating switch moving contact 102 and the isolating switch fixed contact 103 are matched to achieve on-off of a circuit. The housing 101 has a first sidewall 1011 and a second sidewall 1012, the first sidewall 1011 is provided with a first through hole 10111, the second sidewall 1012 is provided with a second through hole 10121, the first through hole 10111 is farther away from the bottom of the housing 101 than the disconnecting switch moving contact 102 and the disconnecting switch static contact 103, and the second through hole 10121 is farther away from the bottom of the housing 101 than the disconnecting switch moving contact 102 and the disconnecting switch static contact 103. The ultraviolet light emitter is arranged outside the shell 101, the emitting end of the ultraviolet light emitter is positioned on the first side wall 1011, the ultraviolet light receiver is arranged outside the shell 101, and the ultraviolet light receiver receives ultraviolet lightThe receiving end of the device is located on the second side wall 1012; the transmitting end of the ultraviolet light emitter transmits the emitted ultraviolet light through the first through hole 10111 and the second through hole 10121 through the inside of the housing 101 and is received by the receiving end of the ultraviolet light receiver. The ultraviolet spectrum detector is electrically connected with the ultraviolet light receiver and is used for detecting the spectrum of the ultraviolet light received by the ultraviolet light receiver.
Simulated SF in this example6In the gas-decomposed isolating switch 100, the first through hole 10111 and the second through hole 10121 are both farther away from the bottom of the housing 101 than the moving contact 102 of the isolating switch and the static contact 103 of the isolating switch, so that a light channel formed by connecting the first through hole 10111 and the second through hole 10121 is located in the housing 101 at a position without other connecting parts, and the influence on light in the transmission process is reduced. When using the above-described simulated SF6In the case of the gas-decomposed disconnecting switch 100, SF is charged into the case 1016The gas, ultraviolet light emitted from the ultraviolet light emitter, passes through the inside of the case 101 through the first through hole 10111 and the second through hole 10121, and is received by the ultraviolet light receiver. When the ultraviolet light is received, the ultraviolet spectrum detector detects the spectrum of the ultraviolet light received by the ultraviolet light receiver, so that the SF inside the housing 101 can be determined by detecting the spectrum of the ultraviolet light6Whether gas decomposition occurs and SF6Degree of gas decomposition, establishment of ultraviolet spectra and SF6The relationship of gas decomposition is whether the isolating switch is due to SF6The judgment of the fault generated by gas decomposition provides a basis.
In one particular example, the first sidewall 1011 and the second sidewall 1012 are oppositely disposed. The opposing arrangement of the first and second sidewalls 1011 and 1012 facilitates the simulation of SF6The components in the gas-decomposed isolation switch 100 are arranged regularly, so that the simulated SF can be improved6Integrity of installation of the gas-decomposing isolation switch 100. Meanwhile, the first side wall 1011 and the second side wall 1012 are oppositely arranged, so that the first through hole 10111 and the second through hole 10121 are conveniently arranged, ultraviolet light emitted by the ultraviolet light emitter can more directly pass through the first through hole 10111 and the second through hole 10121, and then the ultraviolet light passes through the inside of the shell 101 and then is purple-tintedAnd receiving by an external light receiver. It is understood that the first sidewall 1011 and the second sidewall 1012 may also be adjacent sidewalls, and in this case, a first through hole 10111 and a second through hole 10121 may be respectively formed on the first sidewall 1011 and the second sidewall 1012 to allow the ultraviolet light to pass through the first through hole 10111, the interior of the housing 101, and the second through hole 10121.
Further, the height of the first through hole 10111 from the bottom of the housing 101 is equal to the height of the second through hole 10121 from the bottom of the housing 101. At this time, the first through hole 10111 and the second through hole 10121 are located on the same horizontal line, and light emitted from the ultraviolet light emitter can sequentially pass through the first through hole 10111, the inside of the housing 101, and the second through hole 10121 in a horizontal direction, and then be received by the ultraviolet light receiver.
In a specific example, the moving isolator contact 102 is movably connected to the first sidewall 1011 or the second sidewall 1012, and the stationary isolator contact 103 is fixed to the bottom of the housing 101. The moving contact 102 of the isolating switch is movably connected to the first sidewall 1011 or the second sidewall 1012, and the static contact 103 of the isolating switch is fixed to the bottom of the housing 101, so that the on-off of a circuit can be stably and quickly realized. Simulated SF corresponding to FIG. 16The gas decomposition isolation switch 100 and the isolation switch movable contact 102 are movably connected to the second side wall 1012.
It will be appreciated that the first side wall 1011 and the second side wall 1012 are flanges by which mounting and sealing of the housing 101 is achieved. It will also be appreciated that in simulating SF6In the gas decomposition isolation switch 100, simulation of SF can be realized through a flange6The connection on the gas-decomposing isolating switch 100 is sealed.
In a specific example, the diameter of the first through hole 10111 is 8mm to 12 mm. Optionally, the diameter of the first through hole 10111 is 8mm, 9mm, 10mm, 11mm or 12 mm. Preferably, the diameter of the first through hole 10111 is 10 mm. It can be understood that the first through hole 10111 is formed on the first sidewall 1011 by means of an opening.
In a specific example, the diameter of the second through hole 10121 is 8mm to 12 mm. Optionally, the diameter of the second through hole 10121 is 8mm, 9mm, 10mm, 11mm, or 12 mm. Preferably, the diameter of the second through hole 10121 is 10 mm. It is understood that the second through hole 10121 is formed by drilling on the second side wall 1012.
It is understood that the diameter of the first through hole 10111 can be arbitrarily selected from the above listed ranges and values. The diameter of the second through hole 10121 may be arbitrarily selected from the ranges and values set forth above. The diameter of the first through hole 10111 and the diameter of the second through hole 10121 may be equal or different. Preferably, the diameter of the first through hole 10111 and the diameter of the second through hole 10121 are equal. Further, the diameter of the first through hole 10111 and the diameter of the second through hole 10121 are equal, and the diameter of the first through hole 10111 and the diameter of the second through hole 10121 are both 10 mm.
In one specific example, SF is simulated6The gas-decomposed isolating switch 100 further includes a first quartz glass piece 104, and the first quartz glass piece 104 covers the first through hole 10111. Covering the first through hole 10111 with the first quartz glass plate 104 may function as a seal for the first through hole 10111 while not affecting the passage of ultraviolet light. It is understood that the first quartz glass piece 104 is a piece of tempered quartz glass.
In one specific example, SF is simulated6The gas-decomposed isolating switch 100 further comprises a second quartz glass piece 105, the second quartz glass piece 105 covering the second through hole 10121. Covering the second through hole 10121 with the second piece of quartz glass 105 may act as a seal for the second through hole 10121 without affecting the passage of ultraviolet light. It is understood that the second quartz glass piece 105 is a tempered quartz glass piece.
Please refer to fig. 4 again. In one specific example, SF is simulated6The gas decomposition isolation switch 100 further includes a heater 106, and the heater 106 is connected to the inside of the housing 101 for heating the inside of the housing 101. The inside of the casing 101 can be heated by the provision of the heater 106. When using the simulated SF in this example6When the gas is decomposed to isolate the knife switch 100, the heater 106 can be used to heat SF in the shell 1016The gas is heated, so as to further explore the temperature and SF6The relationship of gas decomposition is SF6The relationship between the gas decomposition and the temperature is judged and provided.
Referring to fig. 6 again, the heater 106 includes an air hole 1061, an aluminum alloy sheath 1062, a solid insulating material 1063, a heating pipe 1064, a thermocouple 1065, an outgoing line 1066, a set temperature display 1067, an actual temperature display 1068, and a controller 1069. Gas holes 1061 are located in the aluminum alloy sleeve 1062 for supplying gas, such as SF6The gas passes through while conducting heat to the interior of the housing 101. Solid insulation 1063, heating tube 1064, thermocouple 1065, and lead-out wire 1066 are located inside aluminum alloy sheath 1062. The solid insulating material 1063 provides a certain insulating effect, thereby improving the safety of the heater 106. The heating pipe 1064 is connected to the set temperature display 1067, the actual temperature display 1068 and the controller 1069 through an outgoing line 1066. The controller 1069 can set the set temperature to control the heating temperature of the heating pipe 1064.
In one particular example, heater 106 is secured to the top of housing 101. Further, the heater 106 is further away from the bottom of the housing 101 than the moving isolator contact 102 and the stationary isolator contact 103. During installation of heater 106, heater 106 may be installed on top of housing 101 to match SF on top of housing 1016The gas is heated. It is understood that during installation of heater 106, heater 106 may be installed via a connection. It will also be appreciated that the distance of the heater 106 from the top of the housing 101 can be controlled by the length of the connector.
In one specific example, SF is simulated6The gas-decomposed isolation switch 100 further includes a moisture detector 107, and the moisture detector 107 is connected to the inside of the housing 101 for detecting the moisture inside the housing 101.
It is understood that during installation of moisture detector 107, moisture detector 107 may be installed via a connector. It will also be appreciated that the distance of the moisture detector 107 from the top of the housing 101 may be controlled by the length of the connector.
In one particular example, moisture detector 107 is secured to the top of housing 101. Further, the humidity detector 107 is further away from the bottom of the housing 101 than the moving isolator contact 102 and the stationary isolator contact 103. Further, the moisture detector 107 is further away from the bottom of the housing 101 than the heater 106. Still further, the first through hole 10111 is located between the heater 106 and the moisture detector 107 in a direction along the bottom to the top of the housing 101.
In one specific example, SF is simulated6The gas-decomposed isolation switch 100 is vertically placed. In a direction from the bottom to the top of the housing 101, i.e., in the height direction, the moisture detector 107, the first through hole 10111 (the second through hole 10121), the heater 106, the disconnecting switch moving contact 102, and the disconnecting switch stationary contact 103 are arranged in sequence from high to low.
Referring again to fig. 1 and 4, in one specific example, the SF is simulated6The gas decomposition isolation switch 100 further comprises a cart 109, and the cart 109 is provided with a handle 1091. Convenient simulation of SF by cart 1096The gas-decomposed isolation switch 100 is transferred. It will be appreciated that the cart 109 is provided with rollers at the bottom for easy movement.
Referring again to FIG. 4, in one specific example, the SF is simulated6The gas decomposing isolation switch 100 also includes an adsorber 108. The adsorber 108 is located at the bottom of the casing 101 to adsorb moisture inside the casing 101 and reduce humidity inside the casing 101. Specifically, the adsorber 108 contains an adsorbent therein.
It will be appreciated that some of the size information, which represents the simulated SF in one embodiment, is labeled in fig. 1 and 46The dimensions of the corresponding components of the gas-resolved isolation switch 100. Optionally, the dimensions are in mm.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the patent of the invention is subject to the appended claims, and the description can be used for explaining the contents of the claims.
Claims (10)
1. Simulation SF6The isolation switch for gas decomposition is characterized by comprising a shell, an isolation switch moving contact, an isolation switch static contact, an ultraviolet light emitter, an ultraviolet light receiver and an ultraviolet spectrum detector;
the isolating switch moving contact is movably connected to the inside of the shell, the isolating switch static contact is fixed to the inside of the shell, the isolating switch moving contact can move to abut against the isolating switch static contact, and the isolating switch moving contact and the isolating switch static contact are matched to realize the on-off of a circuit;
the shell is provided with a first side wall and a second side wall, a first through hole is formed in the first side wall, a second through hole is formed in the second side wall, the first through hole is far away from the bottom of the shell compared with the moving contact of the isolating switch and the fixed contact of the isolating switch, and the second through hole is far away from the bottom of the shell compared with the moving contact of the isolating switch and the fixed contact of the isolating switch;
the ultraviolet light emitter is arranged outside the shell, the emitting end of the ultraviolet light emitter is positioned on the first side wall, the ultraviolet light receiver is arranged outside the shell, and the receiving end of the ultraviolet light receiver is positioned on the second side wall; the transmitting end of the ultraviolet light emitter transmits the emitted ultraviolet light through the first through hole and the second through hole and the ultraviolet light receiver receives the ultraviolet light through the inner part of the shell;
the ultraviolet spectrum detector is electrically connected with the ultraviolet light receiver and is used for detecting the spectrum of the ultraviolet light received by the ultraviolet light receiver.
2. Simulated SF according to claim 16The gas-decomposing isolation switch is characterized in that the first side wall and the second side wall are oppositely arranged.
3. Simulated SF according to claim 26The isolation switch for gas decomposition is characterized in that the height from the first through hole to the bottom of the shell is equal to the height from the second through hole to the bottom of the shell.
4. Simulated SF according to claim 16The isolation switch for gas decomposition is characterized in that the diameter of the first through hole is 8-12 mm; and/or the presence of a gas in the gas,
the diameter of the second through hole is 8 mm-12 mm.
5. Simulated SF according to claim 16The gas decomposition isolation switch is characterized by further comprising a first quartz glass sheet, wherein the first quartz glass sheet covers the first through hole; and/or the presence of a gas in the gas,
the second quartz glass sheet covers the second through hole.
6. Simulated SF according to any of claims 1 to 56The gas decomposition isolation switch is characterized by further comprising a heater connected to the inside of the shell for heating the inside of the shell.
7. Simulated SF according to claim 66The gas decomposition isolation switch is characterized in that the heater is far away from the bottom of the shell compared with the moving contact of the isolation switch and the fixed contact of the isolation switch.
8. Simulated SF according to claim 66The gas-decomposing isolating switch is characterized by also comprising a wet partA humidity detector connected to an inside of the case for detecting humidity inside the case.
9. Simulated SF according to claim 86The gas decomposition isolation switch is characterized in that the moisture detector is far away from the bottom of the shell body compared with the moving contact of the isolating switch and the fixed contact of the isolating switch.
10. Simulated SF as in claim 96An isolation switch for gas decomposition, characterized in that the first through hole is located between the heater and the moisture detector in a direction from the bottom to the top of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111605756.5A CN114464492B (en) | 2021-12-25 | 2021-12-25 | Analog SF 6 Isolation knife switch for gas decomposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111605756.5A CN114464492B (en) | 2021-12-25 | 2021-12-25 | Analog SF 6 Isolation knife switch for gas decomposition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114464492A true CN114464492A (en) | 2022-05-10 |
| CN114464492B CN114464492B (en) | 2023-11-24 |
Family
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| CN202111605756.5A Active CN114464492B (en) | 2021-12-25 | 2021-12-25 | Analog SF 6 Isolation knife switch for gas decomposition |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941166A (en) * | 2014-04-23 | 2014-07-23 | 沈阳工业大学 | High-temperature gas breakdown characteristic detection device and method under VFTO condition |
| CN205789563U (en) * | 2016-06-02 | 2016-12-07 | 中国南方电网有限责任公司超高压输电公司昆明局 | Gas-insulating and fully-enclosed electrical installation |
| WO2018086456A1 (en) * | 2016-11-14 | 2018-05-17 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolating switch having grounding linkage |
| CN108511229A (en) * | 2018-06-04 | 2018-09-07 | 广东电网有限责任公司 | A kind of divide-shut brake location calibration device, open isolating switch and system |
| CN210805558U (en) * | 2019-12-24 | 2020-06-19 | 山东睿创电力技术有限公司 | Novel high-precision isolating switch opening and closing indicator |
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2021
- 2021-12-25 CN CN202111605756.5A patent/CN114464492B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941166A (en) * | 2014-04-23 | 2014-07-23 | 沈阳工业大学 | High-temperature gas breakdown characteristic detection device and method under VFTO condition |
| CN205789563U (en) * | 2016-06-02 | 2016-12-07 | 中国南方电网有限责任公司超高压输电公司昆明局 | Gas-insulating and fully-enclosed electrical installation |
| WO2018086456A1 (en) * | 2016-11-14 | 2018-05-17 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolating switch having grounding linkage |
| CN108511229A (en) * | 2018-06-04 | 2018-09-07 | 广东电网有限责任公司 | A kind of divide-shut brake location calibration device, open isolating switch and system |
| CN210805558U (en) * | 2019-12-24 | 2020-06-19 | 山东睿创电力技术有限公司 | Novel high-precision isolating switch opening and closing indicator |
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| CN114464492B (en) | 2023-11-24 |
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