CN116660700B - Online monitoring equipment and method for ring main unit partial discharge and internal temperature and humidity - Google Patents
Online monitoring equipment and method for ring main unit partial discharge and internal temperature and humidity Download PDFInfo
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- CN116660700B CN116660700B CN202310919508.0A CN202310919508A CN116660700B CN 116660700 B CN116660700 B CN 116660700B CN 202310919508 A CN202310919508 A CN 202310919508A CN 116660700 B CN116660700 B CN 116660700B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000010079 rubber tapping Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 8
- 239000011120 plywood Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims 8
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000005530 etching Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses equipment and a method for ring main unit partial discharge and internal temperature and humidity on-line monitoring, and belongs to the technical field of ring main unit partial discharge. The utility model provides a be used for looped netowrk cabinet office to put and inside humiture on-line monitoring equipment and method, includes signal collector and data gateway, still includes external sensor, and it sets up in the below of signal collector, signal collector's one end is provided with input interface, and one side of signal collector is provided with output interface, data gateway's below is provided with data port, and data port and output interface connection, data gateway's top is provided with the tapping port. In order to solve the problem that the mounting mode adopting the screw structure can destroy the plate structure when being applied to the detection of the etching circuit board in the cabinet body, the external sensor adopts a nondestructive mounting mode, and the external sensor is directly adsorbed on the surfaces of the circuit board and various electronic components through the vacuum chuck at the bottom during mounting, so that the external sensor cannot be damaged.
Description
Technical Field
The invention relates to the technical field of ring main unit partial discharge, in particular to equipment and a method for ring main unit partial discharge and internal temperature and humidity on-line monitoring.
Background
With the development of distribution network automation and distribution Internet of things, a power grid company monitors the state of power grid equipment running on line, and the most important information of the running state of the partial discharge main equipment is timely and effectively monitored on the partial discharge of the switch cabinet, so that accidents can be avoided, and loss is reduced.
The Chinese patent with publication number CN204422709U discloses a partial discharge detector device with temperature and humidity real-time monitoring, integrated temperature and humidity sensor design is integrated through a partial discharge detector probe, integrated design is realized, waveform optimization processing is uniformly carried out, temperature and humidity sensor module current sharing is inhibited against partial discharge counter current influence, and the like, the comparison of partial discharge detection results and temperature and humidity environment factors is realized, the temperature and humidity real-time monitoring of the partial discharge detector is realized through the temperature and humidity detector, monitoring data of a user measurement environment is provided, the situation of high-voltage equipment is comprehensively judged through the data of temperature and humidity, partial discharge and the like, misjudgment of the partial discharge result caused by the temperature and humidity environment factors is avoided, and the detection precision of the partial discharge detector is provided.
In the above patent, the partial discharge detection device needs to be fixed by adopting a screw structure when being installed and fixed, and the installation mode can damage the plate structure when being applied to the detection of the etched circuit board in the cabinet body; therefore, the existing requirements are not met, and the device and the method for ring main unit partial discharge and internal temperature and humidity on-line monitoring are provided.
Disclosure of Invention
The invention aims to provide equipment and a method for local discharge and internal temperature and humidity on-line monitoring of a ring main unit, wherein an external sensor is used for collecting discharge conditions of each point area in the interior of the ring main unit, the external sensor adopts a nondestructive installation mode, and the external sensor is directly adsorbed on the surfaces of a circuit board and various electronic components through a vacuum chuck at the bottom during installation, so that the external sensor cannot be damaged, and the problems in the prior art can be solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a be used for looped netowrk cabinet partial discharge and inside humiture on-line monitoring equipment, includes signal collector and data gateway, still includes external sensor, and it sets up in signal collector's below, signal collector's one end is provided with input interface, and one side of signal collector is provided with output interface, data gateway's below is provided with data port, and data port and output interface connection, data gateway's top is provided with the tapping port, and data gateway's surface is provided with the control instrument, external sensor includes component shell and vacuum chuck, and the component shell is located vacuum chuck's top, component shell's top is provided with flexible screw, and flexible screw's inside is provided with the contact and links the axle, the contact is connected through internal thread rotation with flexible screw, vacuum chuck's bottom is provided with the soft rubber gasket, and the outside of soft rubber gasket is provided with the rubber ring props, all is provided with the gas pocket around the soft rubber gasket and is provided with pressure inner chamber between the vacuum chuck, the contact is connected with the soft rubber gasket through the bearing rotation.
Preferably, the rubber ring support is connected with the vacuum chuck through a telescopic ring groove, a plurality of reset springs are arranged between the telescopic ring groove and the rubber ring support, two ends of each reset spring are respectively connected with the rubber ring support and the vacuum chuck, and the soft rubber pad is connected with the vacuum chuck through a clamp.
Preferably, the top of the rubber ring support is provided with a limiting pull groove, the limiting pull groove corresponds to the air hole, a ball piston is arranged in the limiting pull groove and is in sliding connection with the limiting pull groove through a clamping ring, and the ball piston slides to the inside of the air hole through the limiting pull groove.
Preferably, the inside of contact connecting axle is provided with the sensing electrode, and sensing electrode has two, sensing electrode's one end extends to the surface of contact connecting axle both sides, and sensing electrode's the other end is connected with the chip subassembly, the inside at the contact connecting axle is installed to the chip subassembly, and the top of contact connecting axle is provided with the cross interface.
Preferably, the outside of chip subassembly is provided with annular contact, annular contact and chip subassembly electric connection, the below of chip subassembly is provided with copper utmost point electric core, and copper utmost point electric core extends to the surface of contact connecting axle.
Preferably, the inside of component casing is provided with the electric coil, and the bottom of electric coil is provided with insulating cassette, the electric wire passes through insulating cassette and is connected with the component casing, and chip assembly passes through annular contact and electric coil electric connection, rotate through the support bearing between component casing and the vacuum chuck and be connected, support bearing installs the inside at the bearing groove, the top of vacuum chuck is provided with the latch closure.
Preferably, the input interface is internally provided with a nesting groove, a cross clip is arranged in the nesting groove, a data line is arranged above the cross clip, the output interface is electrically connected with the cross clip through the data line, the input interface is connected with the contact connecting shaft through the nesting groove, and the cross clip is connected with the cross interface.
Preferably, the cross clip comprises a metal contact piece and a plywood, the four plywood are connected through screws, an elastic pull rod is arranged at one end of the plywood, the elastic pull rod is in telescopic connection with the plywood, and the plywood is connected with the grounding thimble through the elastic pull rod.
Preferably, one end of the metal contact piece is provided with a connecting arm, the connecting arm is connected with the metal contact piece through a screw, one end of the connecting arm is respectively connected with the elastic pull rod and the plywood in a rotating mode, and the metal contact piece is connected with the cross joint in a fitting mode.
An implementation method for ring main unit partial discharge and internal temperature and humidity on-line monitoring equipment comprises the following steps:
step one: selecting corresponding monitoring points according to the distribution condition of the components in the ring main unit, wiping and cleaning the area after the monitoring points are determined, attaching a vacuum chuck at the bottom of the external sensor to the point area, fixing the chuck by one hand after attaching the vacuum chuck, and pressing the rotating element shell by the other hand;
step two: when the element shell rotates, the contact connecting shaft extends outwards along the telescopic screw hole, the extended contact connecting shaft can pull the central area of the soft rubber gasket to shrink inwards, at the moment, the air pressure in the pressure inner cavity is discharged through the air hole, and meanwhile, the hand fixing the sucker presses the sucker downwards, so that the rubber ring support completely enters the telescopic ring groove;
step three: when the rubber ring is lifted to the top end, the limiting pull groove corresponds to the air hole, the pressure in the pressure cavity is smaller than the external air pressure in the contracted state, the air pressure outside the air hole can push the sphere piston inwards, meanwhile, the sphere piston is also sucked inwards under the influence of the pressure in the cavity on the inner side of the air hole, so that the sphere piston enters the air hole, and the sucking operation of the sucking disc is completed;
step four: after the sucker is fixed, the sensing electrode at the top end of the contact connecting shaft is exposed, the temperature and humidity conditions of the space of the cabinet body can be detected by means of the sensing electrode, when the cabinet body is discharged, the discharge conditions can be sensed by the copper electrode cell at the bottom of the contact connecting shaft, and finally, the signal collector is in butt joint with the cross interface at the top of the contact connecting shaft, so that data transmission and collection can be realized.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, corresponding monitoring points are selected according to the distribution condition of the components in the ring main unit, the monitoring points are determined, then the area is wiped and cleaned, then the vacuum chuck at the bottom of the external sensor is adsorbed and fixed in the point area, the external sensor is responsible for collecting the discharge condition of each point area in the cabinet body, and the external sensor adopts a nondestructive installation mode, and is directly adsorbed on the surfaces of a circuit board and various electronic components through the vacuum chuck at the bottom during installation, so that the damage to the circuit board and the surfaces of various electronic components can be avoided.
2. When the component shell rotates, the contact connecting shaft stretches outwards along the telescopic screw hole, the stretched contact connecting shaft can pull the central area of the soft rubber gasket to shrink inwards, at the moment, air pressure in the pressure inner cavity is discharged through the air hole, meanwhile, the sucker is pressed down by a hand for fixing the sucker, the rubber ring support completely enters the telescopic ring groove, when the rubber ring support is lifted to the top end, the limiting pull groove corresponds to the air hole, the pressure in the pressure inner cavity is smaller than the external air pressure in the contracted state, the air pressure outside the air hole can push the ball piston inwards, meanwhile, the ball piston is also sucked inwards under the influence of the pressure of the cavity body, the ball piston enters the air hole, the rubber ring support and the sucker can be clamped and fixed after the ball piston stretches into the air hole, and meanwhile, the piston can also play a closed role of the air hole, so that the external air pressure cannot enter the pressure inner cavity, the adsorption state of the sucker is maintained, and the rebound of the spring and the condition that the air hole caused by the internal air pressure and external air pressure is sucked can be avoided.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a schematic diagram of an external sensor according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of the external sensor according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at A;
FIG. 5 is an exploded view of an external sensor according to the present invention;
FIG. 6 is a schematic diagram of the internal structure of the signal collector of the present invention;
FIG. 7 is a schematic view of a cross clip according to the present invention;
fig. 8 is a schematic view of a metal contact structure according to the present invention.
In the figure: 1. an external sensor; 2. a signal collector; 3. a data gateway; 101. a component case; 102. a vacuum chuck; 103. a rubber ring support; 104. a contact connecting shaft; 105. a soft rubber gasket; 106. a power-on coil; 1011. a telescopic screw hole; 1012. a support bearing; 1021. air holes; 1022. a pressure lumen; 1023. a clamp; 1024. a telescopic ring groove; 1025. a ring buckle; 1026. a bearing groove; 1031. a return spring; 1032. a sphere piston; 1033. a clasp; 1034. limiting pull grooves; 1041. a cross interface; 1042. an induction electrode; 1043. a chip assembly; 1044. an annular contact; 1045. a copper electrode cell; 1061. an insulating clamping seat; 201. an input interface; 202. an output interface; 203. a data line; 204. cross clip; 2011. a nesting groove; 2041. a grounding thimble; 2042. a veneer board; 2043. a link arm; 2044. a metal contact; 2045. an elastic pull rod; 301. a tap port; 302. a control instrument; 303. a data port.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the problem that the existing partial discharge detection device needs to be fixed by adopting a screw structure when being installed and fixed, and the plate structure can be damaged when the installation mode is applied to the detection of the etching circuit board in the cabinet body, referring to fig. 1-3, the embodiment provides the following technical scheme:
the utility model provides a be used for looped netowrk cabinet partial discharge and inside humiture on-line monitoring equipment, including signal collector 2 and data gateway 3, still include external sensor 1, it sets up in the below of signal collector 2, one end of signal collector 2 is provided with input interface 201, one side of signal collector 2 is provided with output interface 202, the below of data gateway 3 is provided with data port 303, data port 303 is connected with output interface 202, the top of data gateway 3 is provided with tapping port 301, the surface of data gateway 3 is provided with control instrument 302, the monitoring point position that corresponds is selected according to the distribution condition of looped netowrk cabinet internal component, wipe the clearance to this district after confirming the monitoring point position, afterwards with the vacuum chuck 102 absorption of external sensor 1 bottom in the point position region, finally with signal collector 2 with external sensor 1 dock, can realize the transmission collection of data, external sensor 1 includes component casing 101 and vacuum chuck 102, component casing 101 is located the top of vacuum chuck 102, the top of component casing 101 is provided with flexible screw 1011, the inside of flexible 1011 is provided with contact link shaft 104, the flexible pad 104 is provided with flexible pad 105 through the vacuum chuck 102 and the vacuum chuck 102 of external rubber pad 105 rotation of external pad 105, the vacuum chuck is installed in the vacuum chuck 102 mode and vacuum chuck is provided with the direct connection mode of vacuum chuck pad 105, vacuum chuck is equipped with the vacuum pad 102 in the vacuum chuck region of vacuum chuck is equipped with the vacuum chuck area through the external pad 105, vacuum chuck's inner cavity's surface of vacuum chuck's side pad's connection mode is equipped with vacuum pad's inner cup's 105, vacuum chuck's surface is directly connected with vacuum pad's inner cavity's 105, vacuum chuck' is equipped with vacuum pad 'and vacuum chuck's vacuum chuck 'is directly connected with vacuum pad' vacuum chuck 'and vacuum chuck' is directly inside, so that it is not damaged.
In order to solve the problem that the existing suction cup is air-leaking and loosening in the suction process, please refer to fig. 2-5, the present embodiment provides the following technical scheme:
the rubber ring support 103 is connected with the vacuum chuck 102 through the telescopic ring groove 1024, a plurality of return springs 1031 are arranged between the telescopic ring groove 1024 and the rubber ring support 103, two ends of the return springs 1031 are respectively connected with the rubber ring support 103 and the vacuum chuck 102, the soft rubber gasket 105 is connected with the vacuum chuck 102 through the clamp 1023, the top of the rubber ring support 103 is provided with a limit pull groove 1034, the limit pull groove 1034 corresponds to the air hole 1021, a ball piston 1032 is arranged in the limit pull groove 1034, the ball piston 1032 is in sliding connection with the limit pull groove 1034 through the clamp ring 1033, the ball piston 1032 slides to the inside of the air hole 1021 through the limit pull groove 1034, when the element shell 101 rotates, the contact connecting shaft 104 stretches outwards along the telescopic screw hole 1011, the stretched contact connecting shaft 104 pulls the central area of the soft rubber pad 105 to shrink inwards, at the moment, the air pressure in the inside of the pressure cavity 1022 is discharged through the air hole 1021, simultaneously, the hand fixing the suction cup presses the suction cup, the rubber ring 1032 103 completely enters into the telescopic ring groove 1024, when the rubber ring support 103 rises to the top, the limit pull groove 1034 corresponds to the air hole 1021, the pressure of the air hole 1021, the pressure in the contracted state is smaller than the air hole 1021, the air hole 1021 is sucked to the inside of the ball piston 1021, the air hole 1021 is also can be sucked to the inside, the air hole 1021, the air pressure can be sucked inside the piston 1021, and the air hole 1021 is also can be sucked inside, the air cavity is prevented from the inside, the air hole 1021, and the inside the air cavity is sucked inside the air cavity is also can be sucked inside the air cavity, and the inside the air cavity is kept inside, and the air cavity is and the inside, and the air cavity can be sucked, and the inside, and the air compression can be closed, the sensor electrode 1042 has two, the one end of sensor electrode 1042 extends to the surface of contact connecting axle 104 both sides, the sensor electrode 1042 on contact connecting axle 104 top will expose, can detect the temperature and humidity condition in cabinet body space with the help of sensor electrode 1042, at last, can realize the transmission collection of data with the cross interface 1041 at contact connecting axle 104 top with signal collector 2, the other end and the chip subassembly 1043 of sensor electrode 1042 are connected, chip subassembly 1043 installs in contact connecting axle 104's inside, the top of contact connecting axle 104 is provided with cross interface 1041, the outside of chip subassembly 1043 is provided with annular contact 1044, annular contact 1044 and chip subassembly 1043 electric connection, the below of chip subassembly 1043 is provided with copper electrode electric core 1045, when the cabinet body exists the discharge, then can be through the copper electrode electric core 1045 of contact connecting axle 104 bottom inductive discharge condition, copper electrode 1045 extends to the surface of contact connecting axle 104, the inside of component housing 101 is provided with the power on coil 106, the bottom of power on coil 106 is provided with insulating card seat 1061, the power on wire is connected with chip housing 101 through insulating card seat 1041 and annular contact housing 102 electric connection with the chip subassembly 1043 through the bearing 102, the inside of vacuum chuck 102, the vacuum chuck is connected with the inside of bearing 102, the vacuum chuck is provided with the bearing assembly 1012, the vacuum chuck is connected with the inside of the bearing assembly 102 through the bearing assembly is connected with the bearing assembly 102.
In order to solve the problems of unstable signal output intensity and interference in data acquisition of the existing sensor, please refer to fig. 6-8, the present embodiment provides the following technical scheme:
the input interface 201 is internally provided with a nesting groove 2011, the nesting groove 2011 is internally provided with a cross clip 204, a data line 203 is arranged above the cross clip 204, the output interface 202 is electrically connected with the cross clip 204 through the data line 203, the input interface 201 is connected with the contact connecting shaft 104 through the nesting groove 2011, the cross clip 204 is connected with the cross interface 1041, the cross clip 204 comprises a metal contact 2044 and a veneer 2042, the four veneer boards 2042 are connected through screws, one end of the veneer board 2042 is provided with an elastic pull rod 2045, the elastic pull rod 2045 is in telescopic connection with the veneer board 2042, the veneer board 2042 is connected with a grounding thimble 2041 through the elastic pull rod 2045, one end of the metal contact 2044 is provided with a connecting arm 2043, the connecting arm 2043 is connected with the metal contact 2044 through screws, one end of the link arm 2043 is respectively connected with the elastic pull rod 2045 and the link plate 2042 in a rotating way, the metal contact sheet 2044 is connected with the cross interface 1041 in a fitting way, the sleeve groove 2011 is sleeved at the top end of the contact link shaft 104 through the sleeve groove 2011 and does not cover an electrode hole site, the sleeve back cross clip 204 corresponds to the cross interface 1041, then the input interface 201 is lifted upwards, the metal contact sheet 2044 after being out of constraint is outwards expanded and sprung out by the elastic pull rod 2045 and the link arm 2043 so as to be meshed with the cross interface 1041, and the four groups of metal contact sheets 2044 can collect electric signals at the cross interface 1041 from four points for integration compensation, so that the signal transmission quality is ensured, and the situation of poor contact is avoided.
Referring to fig. 1-8, an implementation method for ring main unit partial discharge and internal temperature and humidity on-line monitoring equipment includes the following steps:
step one: selecting corresponding monitoring points according to the distribution condition of the components in the ring main unit, wiping and cleaning the area after the monitoring points are determined, attaching the vacuum chuck 102 at the bottom of the external sensor 1 to the point area, fixing the chuck by one hand after attaching the vacuum chuck 102, and pressing the rotating element shell 101 by the other hand;
step two: when the element housing 101 rotates, the contact connecting shaft 104 extends outwards along the telescopic screw hole 1011, the extended contact connecting shaft 104 pulls the central area of the soft rubber pad 105 to shrink inwards, at the moment, the air pressure in the pressure cavity 1022 is discharged through the air hole 1021, and meanwhile, the suction cup is pressed down by the hand for fixing the suction cup, so that the rubber ring support 103 completely enters the telescopic ring groove 1024;
step three: when the rubber ring support 103 is lifted to the top end, the limit pull groove 1034 corresponds to the air hole 1021, the pressure of the pressure cavity 1022 is smaller than the external air pressure in the contracted state, the air pressure outside the air hole 1021 can push the ball piston 1032 inwards, meanwhile, the inner side of the air hole 1021 is influenced by the cavity pressure and can suck the ball piston 1032 inwards, so that the ball piston 1032 enters the air hole 1021, and the suction operation of the suction disc is completed;
step four: after the sucker is fixed, the sensing electrode 1042 at the top end of the contact connecting shaft 104 is exposed, the temperature and humidity conditions of the cabinet space can be detected by means of the sensing electrode 1042, when the cabinet is discharged, the discharge conditions can be sensed by the copper electrode electric core 1045 at the bottom of the contact connecting shaft 104, and finally the signal collector 2 is in butt joint with the cross interface 1041 at the top of the contact connecting shaft 104, so that data transmission and collection can be realized.
The operation principle, select the monitoring point position that corresponds according to the distribution condition of the inside component of looped netowrk cabinet, clean this district after confirming the monitoring point position, afterwards laminate the vacuum chuck 102 of external sensor 1 bottom in the point position region, fix the sucking disc in vacuum chuck 102 laminating back one hand, the other hand presses rotating element casing 101, when element casing 101 is rotatory, contact connecting axle 104 can outwards stretch out along flexible screw 1011, the contact connecting axle 104 of stretching out can pull the central zone of soft rubber pad 105 inwards shrink, the atmospheric pressure of pressure inner chamber 1022 is discharged through gas pocket 1021 at this moment, simultaneously the manual sucking disc of fixed sucking disc, make rubber ring support 103 fully enter into flexible annular 1024, when rubber ring support 103 rises to the top, limit draw groove 1034 can correspond with gas pocket 1021, pressure inner chamber 1022 pressure is less than outside atmospheric pressure under the shrink state, the atmospheric pressure in the gas pocket 1021 outside can inwards push away the spheroid piston, the inboard cavity pressure influence of gas pocket 1032 also can inwards inhale spheroid piston 1032, make spheroid piston 1032 get into gas pocket 1021, accomplish the absorption operation of sucking disc, after fixing the sucking disc, the top, the sensing electrode pad 1042 can be with the help of sensing chamber 104 and the help of sensing temperature and humidity can realize with the help of the time of the sensing of the bottom of the copper electrode 1041, can realize that the temperature sensing the bottom of the copper electrode 1041 is connected with the current collector interface, can be with the condition of the bottom of the copper electrode 104is in the measuring the phase of the contact chamber, can be with the condition of the bottom of the electrode of the measuring current, the electrode is 5, can be discharged when the bottom of the electrode is connected with the electrode of the electrode is 5.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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 process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an on-line monitoring equipment for looped netowrk cabinet partial discharge and inside humiture, includes signal acquisition ware (2) and data gateway (3), its characterized in that;
the system comprises a signal acquisition device (2), and is characterized by further comprising an external sensor (1), wherein the external sensor is arranged below the signal acquisition device (2), an input interface (201) is arranged at one end of the signal acquisition device (2), an output interface (202) is arranged at one side of the signal acquisition device (2), a data port (303) is arranged below the data gateway (3), the data port (303) is connected with the output interface (202), a tapping port (301) is arranged at the top of the data gateway (3), and a control instrument (302) is arranged on the outer surface of the data gateway (3);
the external sensor (1) comprises an element shell (101) and a vacuum chuck (102), wherein the element shell (101) is located above the vacuum chuck (102), a telescopic screw hole (1011) is formed in the top of the element shell (101), a contact connecting shaft (104) is arranged in the telescopic screw hole (1011), the contact connecting shaft (104) is rotationally connected with the telescopic screw hole (1011) through internal threads, a soft rubber gasket (105) is arranged at the bottom of the vacuum chuck (102), a rubber ring support (103) is arranged on the outer side of the soft rubber gasket (105), air holes (1021) are formed in the periphery of the vacuum chuck (102), a pressure inner cavity (1022) is formed between the soft rubber gasket (105) and the vacuum chuck (102), and the contact connecting shaft (104) is rotationally connected with the soft rubber gasket (105) through a bearing.
2. The on-line monitoring device for partial discharge and internal temperature and humidity of a ring main unit according to claim 1, wherein: the rubber ring support (103) is connected with the vacuum chuck (102) through a telescopic ring groove (1024), a plurality of return springs (1031) are arranged between the telescopic ring groove (1024) and the rubber ring support (103), two ends of each return spring (1031) are respectively connected with the rubber ring support (103) and the vacuum chuck (102), and the soft rubber gasket (105) is connected with the vacuum chuck (102) through a clamp (1023).
3. The on-line monitoring device for partial discharge and internal temperature and humidity of a ring main unit according to claim 2, wherein: the top of rubber ring support (103) is provided with spacing draw groove (1034), and spacing draw groove (1034) is corresponding with gas pocket (1021), the inside of spacing draw groove (1034) is provided with spheroid piston (1032), and spheroid piston (1032) pass through snap ring (1033) and spacing draw groove (1034) sliding connection, spheroid piston (1032) pass through the inside of spacing draw groove (1034) slip to gas pocket (1021).
4. The on-line monitoring device for partial discharge and internal temperature and humidity of a ring main unit according to claim 3, wherein: the inside of contact connecting axle (104) is provided with sensing electrode (1042), and sensing electrode (1042) have two, the one end of sensing electrode (1042) extends to the surface of contact connecting axle (104) both sides, and the other end of sensing electrode (1042) is connected with chip assembly (1043), chip assembly (1043) installs in the inside of contact connecting axle (104), and the top of contact connecting axle (104) is provided with cross interface (1041).
5. The on-line monitoring device for partial discharge and internal temperature and humidity of a ring main unit according to claim 4, wherein: the outside of chip subassembly (1043) is provided with annular contact (1044), annular contact (1044) and chip subassembly (1043) electric connection, the below of chip subassembly (1043) is provided with copper utmost point electric core (1045), and copper utmost point electric core (1045) extend to the surface of contact connecting axle (104).
6. The on-line monitoring device for partial discharge and internal temperature and humidity of a ring main unit according to claim 5, wherein: the device is characterized in that an energizing coil (106) is arranged inside the element housing (101), an insulating clamping seat (1061) is arranged at the bottom of the energizing coil (106), the energizing wire is connected with the element housing (101) through the insulating clamping seat (1061), a chip assembly (1043) is electrically connected with the energizing coil (106) through an annular contact piece (1044), the element housing (101) is rotationally connected with a vacuum chuck (102) through a support bearing (1012), the support bearing (1012) is arranged inside a bearing groove (1026), and a ring buckle (1025) is arranged at the top of the vacuum chuck (102).
7. The on-line monitoring device for partial discharge and internal temperature and humidity of a ring main unit according to claim 6, wherein: the input interface (201) is internally provided with a nesting groove (2011), a cross clip (204) is arranged in the nesting groove (2011), a data line (203) is arranged above the cross clip (204), the output interface (202) is electrically connected with the cross clip (204) through the data line (203), the input interface (201) is connected with the contact connecting shaft (104) through the nesting groove (2011), and the cross clip (204) is connected with the cross interface (1041).
8. The on-line monitoring device for partial discharge and internal temperature and humidity of a ring main unit according to claim 7, wherein: the cross clip (204) comprises a metal contact sheet (2044) and a plurality of plates (2042), wherein the four plates (2042) are connected through screws, an elastic pull rod (2045) is arranged at one end of each plate (2042), the elastic pull rod (2045) is in telescopic connection with the plates (2042), and the plates (2042) are connected with a grounding thimble (2041) through the elastic pull rod (2045).
9. The on-line monitoring device for partial discharge and internal temperature and humidity of a ring main unit according to claim 8, wherein: one end of the metal contact piece (2044) is provided with a connecting arm (2043), the connecting arm (2043) is connected with the metal contact piece (2044) through a screw, one end of the connecting arm (2043) is respectively connected with an elastic pull rod (2045) and a plywood (2042) in a rotating mode, and the metal contact piece (2044) is connected with the cross-shaped interface (1041) in a fitting mode.
10. An implementation method for ring main unit partial discharge and internal temperature and humidity online monitoring equipment, based on the implementation method for ring main unit partial discharge and internal temperature and humidity online monitoring equipment according to claim 9, wherein the implementation method comprises the following steps:
step one: selecting corresponding monitoring points according to the distribution condition of the components in the ring main unit, wiping and cleaning the area after the monitoring points are determined, attaching a vacuum chuck (102) at the bottom of an external sensor (1) to the point area, fixing the chuck by one hand after attaching the vacuum chuck (102), and pressing a rotating element shell (101) by the other hand;
step two: when the element shell (101) rotates, the contact connecting shaft (104) can extend outwards along the telescopic screw hole (1011), the extended contact connecting shaft (104) can pull the central area of the soft rubber gasket (105) to shrink inwards, at the moment, gas in the pressure inner cavity (1022) is discharged through the air hole (1021), and meanwhile, the sucker is pressed down by a hand for fixing the sucker, so that the rubber ring support (103) completely enters the telescopic ring groove (1024);
step three: when the rubber ring support (103) is lifted to the top end, the limit pull groove (1034) corresponds to the air hole (1021), the pressure of the pressure inner cavity (1022) is smaller than the external air pressure in the contracted state, the air pressure outside the air hole (1021) can push the ball piston (1032) inwards, meanwhile, the ball piston (1032) can be sucked inwards under the influence of the cavity pressure inside the air hole (1021), so that the ball piston (1032) enters the air hole (1021), and the suction operation of the suction disc is completed;
step four: after the sucker is fixed, an induction electrode (1042) at the top end of the contact connecting shaft (104) is exposed, the temperature and humidity conditions of the space of the cabinet body can be detected by means of the induction electrode (1042), when the cabinet body is discharged, the discharge conditions can be induced by a copper electrode cell (1045) at the bottom of the contact connecting shaft (104), and finally, the signal collector (2) is in butt joint with a cross interface (1041) at the top of the contact connecting shaft (104), so that data transmission and collection can be realized.
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| CN116660700B true CN116660700B (en) | 2023-10-10 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651897A (en) * | 2005-03-25 | 2005-08-10 | 中国建筑材料科学研究院 | Glass nondestructive on-line tester |
| CN201903614U (en) * | 2010-12-18 | 2011-07-20 | 保定天威新域科技发展有限公司 | Self-absorption switch cabinet partial discharge detection sensor |
| CN110972452A (en) * | 2019-12-10 | 2020-04-07 | 深圳市晟睿通信有限公司 | All-pass communication filter structure |
| CN211377194U (en) * | 2020-03-02 | 2020-08-28 | 山东科能电气设备有限公司 | Industrial electrical control cabinet |
| CN217263211U (en) * | 2022-03-04 | 2022-08-23 | 孙永强 | Mechanical automation sucking disc formula grabbing device |
| CN217807388U (en) * | 2022-07-25 | 2022-11-15 | 永康市尚成交通安全设施有限公司 | Electric vacuum chuck |
| CN115589694A (en) * | 2022-09-28 | 2023-01-10 | 上海鸣釜科技有限公司 | Magnetic sensor convenient to dismantle |
| CN115848737A (en) * | 2022-12-01 | 2023-03-28 | 合肥研力电子科技有限公司 | Partition board paper feed mechanism |
-
2023
- 2023-07-26 CN CN202310919508.0A patent/CN116660700B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651897A (en) * | 2005-03-25 | 2005-08-10 | 中国建筑材料科学研究院 | Glass nondestructive on-line tester |
| CN201903614U (en) * | 2010-12-18 | 2011-07-20 | 保定天威新域科技发展有限公司 | Self-absorption switch cabinet partial discharge detection sensor |
| CN110972452A (en) * | 2019-12-10 | 2020-04-07 | 深圳市晟睿通信有限公司 | All-pass communication filter structure |
| CN211377194U (en) * | 2020-03-02 | 2020-08-28 | 山东科能电气设备有限公司 | Industrial electrical control cabinet |
| CN217263211U (en) * | 2022-03-04 | 2022-08-23 | 孙永强 | Mechanical automation sucking disc formula grabbing device |
| CN217807388U (en) * | 2022-07-25 | 2022-11-15 | 永康市尚成交通安全设施有限公司 | Electric vacuum chuck |
| CN115589694A (en) * | 2022-09-28 | 2023-01-10 | 上海鸣釜科技有限公司 | Magnetic sensor convenient to dismantle |
| CN115848737A (en) * | 2022-12-01 | 2023-03-28 | 合肥研力电子科技有限公司 | Partition board paper feed mechanism |
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| CN116660700A (en) | 2023-08-29 |
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