CN108878208A - A kind of Novel intelligent vacuum circuit breaker - Google Patents
A kind of Novel intelligent vacuum circuit breaker Download PDFInfo
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- CN108878208A CN108878208A CN201810716649.1A CN201810716649A CN108878208A CN 108878208 A CN108878208 A CN 108878208A CN 201810716649 A CN201810716649 A CN 201810716649A CN 108878208 A CN108878208 A CN 108878208A
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
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- General Physics & Mathematics (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
A kind of Novel intelligent vacuum circuit breaker provided by the invention includes control cabinet and multiple poles, each pole includes shell, vacuum interrupter, conducting rod, high pressure end of incoming cables, high-voltage terminal end and electrical measurement component, the electrical measurement component includes multiple measurement sensors and lead-out wire skeleton, the measurement sensor compartment of terrain attaches to the lead-out wire skeleton, so that each measurement sensor is positioned in the side body, the lead-out wire skeleton bendingly passes through the side body and the main casing, be able to guide the wiring of each measurement sensor from the side body to the main casing below interface extend.Thus be able to for measurement sensor being installed in vacuum circuit breaker by merging one or two original part functions, it is not only compact-sized, but also greatly improve the measurement accuracy of electric current and voltage.
Description
Technical field
The present invention relates to high voltage electric equipment technical fields, specifically, being a kind of intelligence of one or two original part functions fusion
It can vacuum circuit breaker.
Background technique
Smart grid is built to China's energy strategy important role, is economically considered, by conventional power transformation
Standing and carrying out intellectualized reconstruction to be enterprise's creation more preferably economic benefit, crucial during the intellectualized reconstruction of substation
It is that intellectualized reconstruction is carried out to sensor, transformer and breaker.The intellectualized reconstruction of breaker is primarily referred to as installing intelligence additional
Component is monitored the operating status of equipment, and currently used intelligent vacuum circuit breaker generally uses first and second separation skill
Art, electromagnetic current transducer and voltage transformer all use external connection type structure, the high-voltage terminal end of breaker are external in, to inspection
The data measured are calculated, are analyzed, and result are synthesized intelligent information, then send out information by the exchange network of process layer
The monitoring host computer for giving station level obtains the conclusion of trend prediction and fault diagnosis using application server processes information.
And the intelligent assembly volume of Circumscribed structure is larger, due to be not installed on the inside of breaker and cause distance compared with
Greatly, measurement protection precision is poor, and assembly, installation workload are big, it is difficult to adapt to intelligent power network development.On the other hand, electromagnetic type electricity
Current transformer and voltage transformer use installation by adhering method to be installed individually in epoxy resin shell at present, sense one by one
Device insertion assembling, the overall volume that installation site may result in pole increase, are also easy to when injecting epoxy resin
It is subjected to displacement, and due to expanding with heat and contract with cold, is easy to produce gap, forms the generation climbed electric interface and lead to drain conditions.
Summary of the invention
The main purpose of the present invention is to provide a kind of Novel intelligent vacuum circuit breaker, overcome the deficiencies in the prior art,
It merges one or two original part functions, is able to for measurement sensor component being installed in vacuum circuit breaker, not only compact-sized, and
And greatly improve the measurement accuracy of electric current and voltage.
The main purpose of the present invention is to provide a kind of Novel intelligent vacuum circuit breakers, and assembling product is convenient, pass through heat
Sealing technology assembles electromagnetic current transducer, electronic voltage transducer, temperature sensor and vacuum interrupter together
In vacuum circuit breaker.
Another object of the present invention is to provide a kind of Novel intelligent vacuum circuit breakers, pass through the electrical measurement in pole
Component is measured, assembling link is simplified, connection reliability and measurement stability is improved, reduces the volume of vacuum circuit breaker, so that
Assembling product is convenient, and the sensor individually assembled one by one is avoided to be subjected to displacement when pressurizeing epoxy resin injection.
Another object of the present invention is to provide a kind of Novel intelligent vacuum circuit breakers, pass through lead-out wire skeleton enhancing electricity
The fixation and connection of magnetic-type current transformer and electronic voltage transducer improve bearing capacity and stability, rationally utilize sealing
The space structure of pole, built-in measurement sensor help to improve measurement accuracy.
To achieve the above objectives, the technical solution adopted by the present invention is：A kind of Novel intelligent vacuum circuit breaker includes control
Cabinet and multiple poles, the pole are electrically connected to the control cabinet, and each pole includes shell
Body, vacuum interrupter, conducting rod, high pressure end of incoming cables, high-voltage terminal end and electrical measurement component, the shell be equipped with main casing with
And the side body radially projecting from the main casing, the vacuum interrupter are installed in the main casing, the conducting rod position
In the central axis of the side body, the high pressure end of incoming cables is set to the upper end of the main casing, and the high-voltage terminal end is set
It is placed in the outer end of the side body, the electrical measurement component includes multiple measurement sensors and lead-out wire skeleton, the measurement
The lead-out wire skeleton is attached to sensor distance, so that each measurement sensor is positioned in the side body, institute
It states lead-out wire skeleton and bendingly passes through the side body and the main casing, be able to guide the wiring of each measurement sensor
Interface below from from the side body to the main casing extends.
An embodiment according to the present invention, the measurement sensor component include electromagnetic current transducer and a pair of of electricity
Minor voltage sensor, the electromagnetic current transducer and the electronic voltage transducer compartment of terrain attach to the extraction
Line skeleton, so that the electromagnetic current transducer and the electronic voltage transducer are positioned at the side body in parallel
In.
An embodiment according to the present invention, the electromagnetic current transducer are equipped with a pair of of mutual inductor interstar connection and inner hole, institute
It states electromagnetic current transducer to be placed in the side body by the inner hole, so that the electromagnetic current transducer and institute
State the conducting rod co-axially align of pole, the mutual inductor interstar connection is along the extraction skeleton from the side body to the master
Shell extends.
An embodiment according to the present invention, spacing is equipped between two electronic voltage transducers, and the spacing is suitable
Inner hole assigned in the electromagnetic current transducer, the spacing are suitable for two electronic voltage transducers and are symmetrically disposed on
Transition position between the conducting rod and the vacuum interrupter.
An embodiment according to the present invention, the electronic voltage transducer include phase voltage sensor and zero-sequence current
Sensor, each electronic voltage transducer is equipped with wiring under wiring on a sensor and a pair of sensors, the biography
Wiring is electrically connected to the high pressure end of incoming cables on sensor, and wiring is electrically connected to the control below the main casing under the sensor
Cabinet interface.
An embodiment according to the present invention, the electronic voltage transducer are two phase voltage sensors, each described
Phase voltage sensor is equipped with wiring under wiring and a pair of sensors on a sensor, one of them phase voltage sensor
Wiring is electrically connected to the static side of the vacuum interrupter on sensor, wiring on the sensor of another phase voltage sensor
It is connected with conducting rod, wiring is electrically connected to the control cabinet interface below the main casing under the sensor.
An embodiment according to the present invention, two electronic voltage transducers are cylindrical structure, the electromagnetism
Formula current transformer is toroidal coil structure.
An embodiment according to the present invention, the lead-out wire skeleton include sensor stand and support frame, the sensing
Device bracket integrally connected is fixed in support frame as described above, and the front end of the sensor stand is fixed in each electronic type voltage
Sensor obtains so that two electronic voltage transducer compartment of terrain are positioned at same plane.
An embodiment according to the present invention, support frame as described above are equipped with longitudinal carrier and horizontal support, the electromagnetic type electricity
Current transformer longitudinally tangentially attaches to the horizontal support, so that the horizontal support is tightly attached to the electromagnetic type Current Mutual Inductance
Device, the longitudinal carrier are bendingly integrally connected to the horizontal support, and the sensor stand is fixed in the longitudinal carrier,
The interval location being maintained between the electromagnetic current transducer and the electronic voltage transducer.
An embodiment according to the present invention, the electrical measurement component further comprise holder and multiple solidus parts, described
Solidus part compartment of terrain connect the measurement sensor wiring and the lead-out wire skeleton so that the electromagnetic current transducer
Wiring with the electronic voltage transducer attaches to the lead-out wire skeleton, and the holder is overlapped by way of winding
The electromagnetic current transducer and the horizontal support are maintained the electromagnetic current transducer and the lead-out wire bone
The tangency location of frame, so that the electromagnetic current transducer and the electronic voltage transducer are in parallel alignment.
An embodiment according to the present invention, the horizontal support are equipped with fastening zone, the fastening zone and electromagnetic type electricity
Current transformer overlapping, wherein the U-shaped structure of horizontal support.
An embodiment according to the present invention, the electrical measurement component further comprise a pair of of connector, the connector point
It is not fixed in the side of each electronic voltage transducer, the sensor stand is equipped with a pair first section, Yi Dui
Two sections and a pair of of third branch section, first section and third branch section described in each second section integrally connected, described the
One end of one section is welded in the connector, and the other end arc of first section is connected to second section, described
The longitudinal carrier of second section and support frame as described above described in third branch section arc Opposite direction connection.
An embodiment according to the present invention, the longitudinal carrier are equipped with first and draw bracket, the second extraction bracket and bone
The outer end of frame inserts, the first extraction bracket and the second extraction bracket is fixed in the two sides of the skeleton inserts, described
Skeleton inserts is connected to the corresponding interface of the control cabinet, and the mutual inductor interstar connection of the electromagnetic current transducer passes through described
Solidus part attaches to described first and draws bracket, and wiring passes through described solid under the sensor of each electronic voltage transducer
Line piece attaches to described second and draws bracket.
Detailed description of the invention
Fig. 1 is the front view of Novel intelligent vacuum circuit breaker according to a preferred embodiment of the invention.
Fig. 2 is the side view of the vacuum circuit breaker of above preferred embodiment according to the present invention.
Fig. 3 is the cross-sectional view of the vacuum circuit breaker of above preferred embodiment according to the present invention.
Fig. 4 A is the cross-sectional view of the line A-A according to the present invention along Fig. 2.
Fig. 4 B is the cross-sectional view of the line B-B according to the present invention along Fig. 3.
Fig. 5 is the three-dimensional structure diagram of the electrical measurement component of above preferred embodiment according to the present invention.
Fig. 6 is the schematic diagram of the lead-out wire skeleton of above preferred embodiment according to the present invention.
Fig. 7 is the schematic diagram of the electrical measurement component of above preferred embodiment according to the present invention.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
Embodiment 1
As shown in Figures 1 to 7 is a kind of Novel intelligent vacuum circuit breaker 1, and the Novel intelligent vacuum circuit breaker 1 includes
Cabinet 10 and multiple poles 20 are controlled, the pole 20 is electrically connected to the control cabinet 10, each described solid
Sealed pole 20 includes shell 21, vacuum interrupter 22, high pressure end of incoming cables 211, high-voltage terminal end 212 and electrical measurement component 30,
The shell 21 is equipped with main casing 214 and the side body 215 radially projecting from the main casing 214, the vacuum interrupter
22 are installed in the main casing 214, and the high pressure end of incoming cables 211 is set to the upper end of the main casing 214, the high extrusion
Line end 212 is set to the outer end of the side body 215, and the electrical measurement component 30 is built in the side body 215, the electricity
Measuring component 30 includes multiple measurement sensors 100 and lead-out wire skeleton 40, and 100 compartment of terrain of measurement sensor attaches to
The lead-out wire skeleton 40, so that each measurement sensor 100 is positioned in the side body 215, the lead-out wire bone
Frame 40 bendingly passes through the side body 215 and the main casing 214, is able to guide connecing for each measurement sensor 100
Line extends from the side body 215 to the interface 213 of 214 lower section of main casing, thus by melting one or two original part functions
It closes, is able to for measurement sensor 100 being installed in vacuum circuit breaker 1, it is not only compact-sized, but also greatly improve electric current and voltage
Measurement accuracy.
Wherein, the measurement sensor 100 includes electromagnetic current transducer 31 and pair of electrons formula voltage sensor
32, the electromagnetic current transducer 31 and 32 compartment of terrain of the electronic voltage transducer attach to the lead-out wire skeleton
40, so that the electromagnetic current transducer 31 and the electronic voltage transducer 32 are fixed in the side body 215.
The control cabinet 10 is equipped with control module, and the control module is electrically connected in each pole
20, it is controlled the operation of the pole 20.
The control cabinet 10 further comprises earth stud 121, aviation socket 122, divides platform instruction 123, energy storage instruction
124, departure handle 126 and suspension hook 127 are closed, the suspension hook 127 symmetrically prolongs from the upside of the control cabinet 10 to outer ring
It stretches, the earth stud 121, aviation socket 122 divide platform instruction 123, energy storage instruction 124 and conjunction departure handle 126 to be installed on institute
State the outer surface of control cabinet 10.
The pole 20 further comprises conducting rod 24 and guide sleeve 25, and the guide sleeve 25 is fixed in described true
The static side axis of empty arc-chutes 22 is maintained the vacuum interrupter 22 in the center of the pole 20, so that institute
The central axis for stating vacuum interrupter 22 is vertical with 20 baseplane of pole, and the conducting rod 24 is electrically connected to described true
The leading-out terminal of empty arc-chutes 22, the conducting rod 24 are located at the central axis of the side body 215.
Wherein, the electromagnetic current transducer 31 is equipped with a pair of of mutual inductor interstar connection 311 and inner hole 312, the electromagnetic type
Current transformer 31 is placed in the side body 215 by the inner hole 312, and the mutual inductor interstar connection 311 draws along described
Skeleton extends from the side body 215 to the main casing 214 out.
Wherein, the electronic voltage transducer 32 includes phase voltage sensor 33 and zero sequence current sensor 34, institute
It states and is equipped with spacing 320 between phase voltage sensor 33 and the zero sequence current sensor 34, the spacing 320 adapts to the electricity
The inner hole 312 of magnetic-type current transformer 31, each electronic voltage transducer 32 be equipped with a sensor on wiring 321 and
Wiring 322 under a pair of sensors, wiring 321 is electrically connected to the high pressure end of incoming cables 211 on the sensor, under the sensor
Wiring 322 is electrically connected to 10 interface 213 of control cabinet of 214 lower section of main casing, is passed by each electronic type voltage
Sensor 32 is able to convert low-voltage signal for high-voltage electricity, is convenient for detection voltage and current.To the phase voltage sensor
33, zero sequence current mutual inductor, electromagnetic current transducer 31 have wiring to draw pole 20, are able to be connected to the control
The corresponding interface 213 of cabinet 10, it can be ensured that the correct transmission of detection data.
Wherein, the phase voltage sensor 33 is to judge voltage-phase for measuring.The zero sequence current sensor 34 with
Size of current when for judging zero.To can determine whether zero sequence through intelligent controller by the zero-sequence current detected and three-phase voltage
The direction of failure.
Wherein, the phase voltage sensor 33 and the zero sequence current sensor 34 are cylindrical structure, the electromagnetic type
Current transformer 31 is toroidal coil structure.Detection essence is improved while to effectively reduce the volume of the pole 20
Degree, the phase voltage sensor 33 and the zero sequence current sensor 34 are made into the cylindrical body of φ 30x50 or so.
The electrical measurement component 30 further comprises a pair of of connector 35, and the connector 35 is respectively and fixedly connected in each described
The side of electronic voltage transducer 32, the lead-out wire skeleton 40 are fixed in the connector 35, thus each electronics
Formula voltage sensor 32 attaches to the lead-out wire skeleton 40 by the connector 35, avoids the lead-out wire skeleton 40 and institute
State the direct contact on 32 surface of electronic voltage transducer.
The lead-out wire skeleton 40 includes sensor stand 41 and support frame 42,41 integrally connected of sensor stand
Or it is fixed in support frame as described above 42, the front end of the sensor stand 41 is fixed in each electronic voltage transducer 32
Connector 35 obtains so that the phase voltage sensor 33 and 34 compartment of terrain of zero sequence current sensor are positioned at same plane.
The sensor stand 41 is equipped with a pair of first section 411, a pair of second section 412 and a pair of of third branch section
413, first section 411 and third branch section 413 described in 412 integrally connected of each second section, first section 411
One end is welded in the connector 35 of the electronic voltage transducer 32, and the other end arc of first section 411 is connected to
Second section 412, second section 412 and support frame as described above 42 described in the 413 arc Opposite direction connection of third branch section.
Wherein, the third branch section 413 is located at the top of support frame as described above 42, also can according to need positioned at the support
The side or lower section of frame 42.
Support frame as described above 42 extends from the electromagnetic current transducer 31 to the interface 213 of 214 lower section of main casing,
Support frame as described above 42 is equipped with longitudinal carrier 422 and horizontal support 421, and the electromagnetic current transducer 31 is longitudinal tangentially attached
It is connected to the horizontal support 421, so that the horizontal support 421 is tightly attached to the electromagnetic current transducer 31, the longitudinal direction
Bracket 422 is bendingly integrally connected to the horizontal support 421, and the sensor stand 41 is fixed in the longitudinal carrier 422,
The interval location being maintained between the electromagnetic current transducer 31 and the electronic voltage transducer 32.
Wherein, the electrical measurement component 30 further comprises holder 36, and the holder 36 is taken by way of winding
The electromagnetic current transducer 31 and the horizontal support 421 are connect, the electromagnetic current transducer 31 and institute are maintained
The tangency location of lead-out wire skeleton 40 is stated, so that at the electromagnetic current transducer 31 and the electronic voltage transducer 32
In parallel alignment.
Wherein, the horizontal support 421 includes that a pair of of traversing section 423 and a fastening section 424, the fastening section 424 are curved
Traversing section 423 described in bent ground integrally connected, the other side of the traversing section 423 is integrally connected to the longitudinal carrier 422, described
Holder 36 winds the fastening section 424 and the electromagnetic current transducer 31, and the area that the holder 36 is wound is close
Half in 31 surface of electromagnetic current transducer, to enhance electromagnetic current transducer 31 by lead-out wire skeleton 40
With the fixation and connection of electronic voltage transducer 32, bearing capacity and stability are improved, the space of pole 20 is rationally utilized
Structure.
In other words, the horizontal support 421 is equipped with fastening zone 420, and the fastening zone 420 and the electromagnetic type electric current are mutual
Sensor 31 be overlapped, by the holder 36 overlap the horizontal support 421 fastening zone 420 and the electromagnetic type Current Mutual Inductance
Device 31, the fastening zone 420 are formed between the traversing section 423 and the fastening section 424, and the fastening section 424 can be in
Different shapes, such as linear, winding arc, W-shaped.Preferably, the U-shaped structure of the horizontal support 421, passes through the extraction
Line skeleton 40 be able to by lateral position electromagnetic current transducer 31 and electronic voltage transducer 32 be linked as entirety, it is U-shaped
The horizontal support 421 of structure helps to prevent the lead-out wire skeleton 40 from occurring crooked phenomenon in use, by described
The canoe of holder 36 binds the horizontal support 421 and the electromagnetic current transducer 31, so that the transverse direction
The uniform load that bracket 421 is born is distributed in U-shaped 420 periphery of fastening zone, if binding is unstable or stresses difference, it will
Cause the distribution of load not uniform enough, structure is easy to cause to wreck, stability is low.
The support frame 42 of the lead-out wire skeleton 40 is of an L-shaped structure, and is fixed described in two by the sensor stand 41
The position of electronic voltage transducer 32, the fixed electromagnetic current transducer 31 of support frame as described above 42 and the sensor branch
Frame 41, so that each electronic voltage transducer 32 and the electromagnetic current transducer 31 are so stable that be installed on the side
In shell 215, the stability of lead-out wire skeleton 40 described in effective guarantee, to improve total bearing capacity, thus simplify assembling link,
Connection reliability and measurement stability are improved, the volume of vacuum circuit breaker 1 is reduced, so that assembling product is convenient, avoids single group
The sensor of dress is subjected to displacement when pressurizeing epoxy resin injection.
Wherein, the holder 36 can be this kind of frivolous, with toughness for cloth, nonwoven fabric belts, insulating tape, rope band
Insulating part is able to the electromagnetic current transducer 31 and the horizontal support 421 is fixed.
Wherein, the distance between first section 411 of the sensor stand 41 adapts to two electronic type voltages
Spacing 320 between sensor 32 is facilitated by the lead-out wire skeleton 40 by the phase voltage sensor 33 and described zero
Sequence current sensor 34 is installed in the side body 215, efficiently uses the space of the side body 215, so that the sealing
Pole 20 it is compact-sized, rather than the electronic voltage transducer 32 is installed in the main casing 214, leads to main casing
The volume of body 214 increases, and influences to install, also results in unnecessary waste to 21 raw material of shell, cause breaker overweight.
Wherein, the longitudinal carrier 422 is equipped with first and draws the extraction bracket 427 of bracket 426, second and skeleton inserts
425, the third branch section 413 of the sensor stand 41 is symmetrically fixed in the first extraction bracket 426 and described second and draws
The outer end of bracket 427 out, the first extraction bracket 426 and the second extraction bracket 427 is fixed in the skeleton inserts 425
Two sides, the skeleton inserts 425 is connected to the corresponding interface 213 of the control cabinet 10.
Wherein, the electrical measurement component 30 further comprises multiple solidus parts 37, and 37 compartment of terrain of solidus part connects institute
State measurement sensor 100 wiring and the lead-out wire skeleton 40 so that the electromagnetic current transducer 31 and the electronics
The wiring of formula voltage sensor 32 attaches to the lead-out wire skeleton 40, effectively avoids the measurement sensor 100 excessively mixed and disorderly
And difficulty is connected, or even 213 connection error of interface corresponding with the control cabinet 10, it helps avoid these wiring shadows
Sizing is sealed in the thermosetting for ringing the shell 21.
Wherein, the solidus part 37 can be binding band, cotton rope, fake, so that the wiring edge of the measurement sensor 100
The lead-out wire skeleton 40 extend to the corresponding interface 213 of the control cabinet 10.
Wherein, the mutual inductor interstar connection 311 of the electromagnetic current transducer 31 is attached to described by the solidus part 37
First draws bracket 426, and wiring 322 is attached by the solidus part 37 under the sensor of each electronic voltage transducer 32
It is connected to described second and draws bracket 427, consequently facilitating being rapidly connected to the wiring of each measurement sensor 100 each
The corresponding interface 213 of the control cabinet 10.
The lead-out wire skeleton 40 is made of iron wire or this kind of metal of stainless steel, and the outer surface of the lead-out wire skeleton 40 applies
It is covered with electro-insulating rubber.
Wherein, the attachment in the present invention refers to the electromagnetic current transducer 31, the phase voltage sensor 33, described
Zero sequence current sensor 34 is into a single integrated structure by 40 fixed set of lead-out wire skeleton.
Wherein, the spacing 320 between the electronic voltage transducer 32 is suitable for the phase voltage sensor 33 and described
Zero sequence current sensor 34 is symmetrically disposed on the transition position between the conducting rod 24 and the vacuum interrupter 22, the electronics
Formula voltage sensor 32 is aligned the electromagnetic current transducer 31, so that the phase voltage sensor 33, zero-sequence current sense
Device 34 and electromagnetic current transducer 31 are fixed by special 40 structure of lead-out wire skeleton, guarantee that the phase voltage passes
Sensor 33 and zero sequence current sensor 34 are symmetrically fixed in side body 215, the electromagnetic current transducer 31 of Ring-cylindrical
With 24 co-axially align of conducting rod of the pole 20, it is accurate to improve relative position when assembled, guarantees each measurement
Sensor 100 is not subjected to displacement when pressurizeing epoxy resin injection, once the measurement sensor 100 is in the side body 215
Position have a deviation, and the concentricity of the vacuum interrupter 22 can generate deviation, the data of measurement will inaccuracy, if
By individually assembling, the corresponding fixation member in the pole 20 not only will increase, increase process time, also be easy to cause
Position deviation causes the disqualification rate of product to increase, and is able to disposably by the integral electrical measurement component 30 of set
It is assembled into correct position, as long as the skeleton inserts 425 of the lead-out wire skeleton 40 interface 213 corresponding with bottom is fixed.
Wherein, the periphery of the measurement sensor 100 of the vacuum interrupter 22 and side body 215 of the main casing 214
The epoxy resin insulation material cladding for thering is 10mm or more to arrive, that is to say, that by the fixation of the lead-out wire skeleton 40, not only
Improve assembly efficiency so that the electromagnetic type great current mutual inductor, phase voltage sensor 33, zero sequence current sensor 34 with it is described
There is the epoxy resin layer of 10mm or more on the periphery of vacuum interrupter 22, does not need to adjust position or measurement sensor in turn
It 100 position, can be by 3 measurement sensors 100 as long as the lead-out wire skeleton 40 is once fixed to prevent deviation
Position meet the standard requirements of periphery epoxy resin.
The Novel intelligent vacuum circuit breaker 1 is integrally formed by thermosetting encapsulation technique, the measurement in the pole 20
100 external sheath silicone gum rubber layer of sensor, when preparation will control cabinet 10, vacuum interrupter 22, electrical measurement component 30 and
Other conductive components are installed in a mold, reinject epoxy resin, are vacuumized, pressurized, heated, and cure package is at described novel
Intelligent vacuum circuit breaker 1.
The silastic cord breaker elasticity of 100 outer surface of measurement sensor is excellent, for buffering two kinds of different heat expansion materials
Mutual extruding force between material, it is ensured that epoxy resin layer will not cracking under high and low temperature variation, prevent solid dielectric insulation layer
It is breakdown, prevent voltage ageing.
The silastic-layer with a thickness of 2~3mm, since the shrinkage ratio epoxy resin of silastic cord breaker is big, if slow
Thickness degree > 5mm is rushed, at 110~120 DEG C of forming temperature, silicon rubber occupies certain volume, when being cooled to room temperature, especially
After low-temperature test, there is gap between silicon rubber and epoxy resin, there is breakdown hidden danger in when use.As buffer layer thickness < 3mm, low
Do not occur intermittency when to -40 DEG C.
The Novel intelligent breaker further comprises temperature sensor, and the temperature sensor is passive and wireless temperature biography
Sensor, the temperature sensor are installed in the side body 215, and the Novel intelligent breaker cooperation intelligent controller is realized
The on-line monitoring of electric network performance, analysis, upload, statistics.The Novel intelligent breaker is total to pedestal using three poles 20
Structure, 1 ontology of Novel intelligent vacuum circuit breaker are connect with intelligent control box using aviation socket 122, and monitoring function is increased
With the reliability of monitoring, increase to the automatic detection of temperature, auto-alarm function, and makes it have display power, electric energy, three-phase
Voltage and current, power factor (PF), phase, failure logging, frequency analysis, temperature curve function.
To which the pole 20 seals technique for the electromagnetic current transducer 31, phase voltage sensor using thermosetting
33, zero sequence current sensor 34, temperature sensor sealing are an entirety, greatly reduce the volume of breaker body, are improved
Detection accuracy.
Embodiment 2
Embodiment 2 difference from example 1 is that, the electronic voltage transducer 32 is two phase voltages sensing
Device 33, each phase voltage sensor 33 are equipped with wiring 322 under wiring 321 and a pair of sensors on a sensor, wherein
Wiring 321 is electrically connected to the static side of the vacuum interrupter 22 on the sensor of one phase voltage sensor 33, another
Wiring 321 is connected with conducting rod 24 on the sensor of the phase voltage sensor 33, and wiring 322 is electrically connected under the sensor
10 interface 213 of control cabinet of 214 lower section of main casing.From regardless of whether the vacuum interrupter 22 has electricity, the electricity
Pressure sensor has electrical connection, when the vacuum circuit breaker 1 is used as interconnection switch, 2 electronic voltage transducers 32
The original 2 external voltage transformers of substitution.The volume and installation workload of interconnection switch device are greatly reduced in this way, are improved
Reliability, avoiding external voltage transformer, the more situation of failure occurs in operation.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of Novel intelligent vacuum circuit breaker, which is characterized in that including control cabinet and multiple poles, the sealing
Pole is electrically connected to the control cabinet, and each pole includes shell, vacuum interrupter, conducting rod, high pressure inlet wire
End, high-voltage terminal end and electrical measurement component, the shell are equipped with main casing and the side shell radially projecting from the main casing
Body, the vacuum interrupter are installed in the main casing, and the conducting rod is located at the central axis of the side body, the height
It is pressed into the upper end that line end is set to the main casing, high-voltage terminal end is set to the outer end of the side body, the electrical measurement
Measuring component includes multiple measurement sensors and lead-out wire skeleton, and the measurement sensor compartment of terrain attaches to the lead-out wire bone
Frame, so that each measurement sensor is positioned in the side body, the lead-out wire skeleton bendingly passes through the side shell
Body and the main casing, be able to guide the wiring of each measurement sensor from the side body to the main casing below
Interface extends.
2. Novel intelligent vacuum circuit breaker according to claim 1, which is characterized in that the measurement sensor component includes
Electromagnetic current transducer and pair of electrons formula voltage sensor, the electromagnetic current transducer and the electronic type voltage
The lead-out wire skeleton is attached to sensor distance, so that the electromagnetic current transducer and electronic type voltage sensing
Device is positioned in parallel in the side body.
3. Novel intelligent vacuum circuit breaker according to claim 2, which is characterized in that the electromagnetic current transducer is set
There are a pair of of mutual inductor interstar connection and inner hole, the electromagnetic current transducer is placed in the side body by the inner hole, is made
The conducting rod co-axially align of the electromagnetic current transducer and the pole is obtained, the mutual inductor interstar connection draws along described
Skeleton extends from the side body to the main casing out, and spacing is equipped between two electronic voltage transducers, described
Spacing adapts to the inner hole of the electromagnetic current transducer, and it is symmetrical that the spacing is suitable for two electronic voltage transducers
The transition position being set between the conducting rod and the vacuum interrupter.
4. Novel intelligent vacuum circuit breaker according to claim 3, which is characterized in that the lead-out wire skeleton includes sensing
Device bracket and support frame, the sensor stand integrally connected or are fixed in support frame as described above, before the sensor stand
End is fixed in each electronic voltage transducer, obtains so that two electronic voltage transducer compartment of terrain are positioned at together
One plane.
5. Novel intelligent vacuum circuit breaker according to claim 4, which is characterized in that support frame as described above is equipped with longitudinal carrier
And horizontal support, the electromagnetic current transducer longitudinally tangentially attach to the horizontal support, so that the laterally branch
Frame is tightly attached to the electromagnetic current transducer, and the longitudinal carrier is bendingly integrally connected to the horizontal support, the biography
Sensor bracket is fixed in the longitudinal carrier, is maintained the electromagnetic current transducer and the electronic voltage transducer
Between interval location.
6. Novel intelligent vacuum circuit breaker according to claim 5, which is characterized in that the horizontal support is equipped with fastening
Area, the fastening zone are Chong Die with the electromagnetic current transducer, wherein the U-shaped structure of horizontal support.
7. Novel intelligent vacuum circuit breaker according to claim 6, which is characterized in that the electrical measurement component further wraps
Include holder and multiple solidus parts, solidus part compartment of terrain connect the measurement sensor wiring and the lead-out wire bone
Frame, so that the wiring of the electromagnetic current transducer and the electronic voltage transducer attaches to the lead-out wire skeleton,
The holder overlaps the electromagnetic current transducer and the horizontal support by way of winding, is maintained the electricity
The tangency location of magnetic-type current transformer and the lead-out wire skeleton, so that the electromagnetic current transducer and the electronic type
Voltage sensor is in parallel alignment.
8. according to the Novel intelligent vacuum circuit breaker any in claim 2~7, which is characterized in that two electronics
Formula voltage sensor is cylindrical structure, and the electromagnetic current transducer is toroidal coil structure, wherein the electronic type
Voltage sensor includes phase voltage sensor and zero sequence current sensor, and each electronic voltage transducer is equipped with one and passes
Wiring under wiring and a pair of sensors on sensor, wiring is electrically connected to the high pressure end of incoming cables, the biography on the sensor
Wiring is electrically connected to the control cabinet interface below the main casing under sensor.
9. according to the Novel intelligent vacuum circuit breaker any in claim 2~7, which is characterized in that two electronics
Formula voltage sensor is cylindrical structure, and the electromagnetic current transducer is toroidal coil structure, wherein the electronic type
Voltage sensor is two phase voltage sensors, and each phase voltage sensor is equipped with wiring and a pair of of biography on a sensor
Wiring under sensor, wiring is electrically connected to the quiet of the vacuum interrupter on the sensor of one of them phase voltage sensor
It holds, wiring is connected with conducting rod on the sensor of another phase voltage sensor, and wiring is electrically connected under the sensor
Control cabinet interface below the main casing.
10. Novel intelligent vacuum circuit breaker according to claim 8, which is characterized in that the longitudinal carrier is equipped with first
Bracket, the second extraction bracket and skeleton inserts are drawn, the outer end that the first extraction bracket and described second draw bracket is solid
The two sides of the skeleton inserts are connected to, the skeleton inserts is connected to the corresponding interface of the control cabinet, the electromagnetic type electricity
The mutual inductor interstar connection of current transformer attaches to described first by the solidus part and draws bracket, and each electronic type voltage passes
Under the sensor of sensor wiring by the solidus part attach to it is described second draw bracket, wherein the electrical measurement component into
One step includes a pair of of connector, and the connector is respectively and fixedly connected in the side of each electronic voltage transducer, the biography
Sensor bracket is equipped with a pair of first section, a pair of second section and a pair of of third branch section, each second section and integrally connects
Connect first section and third branch section, one end of first section is welded in the connector, first section it is another
One end arc is connected to second section, second section described in the third branch section arc Opposite direction connection and support frame as described above
Longitudinal carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810716649.1A CN108878208B (en) | 2018-07-03 | 2018-07-03 | Intelligent vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810716649.1A CN108878208B (en) | 2018-07-03 | 2018-07-03 | Intelligent vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108878208A true CN108878208A (en) | 2018-11-23 |
| CN108878208B CN108878208B (en) | 2023-11-07 |
Family
ID=64298609
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810716649.1A Active CN108878208B (en) | 2018-07-03 | 2018-07-03 | Intelligent vacuum circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN108878208B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610351A (en) * | 2020-06-04 | 2020-09-01 | 贵州电网有限责任公司 | Lap joint type high-altitude junction pole |
| CN112185752A (en) * | 2020-09-28 | 2021-01-05 | 许继集团有限公司 | Solid-sealed polar pole |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363347U (en) * | 2011-11-03 | 2012-08-01 | 北京电研华源电力技术有限公司 | Packed pole for outdoor vacuum circuit breaker |
| CN105742109A (en) * | 2016-03-28 | 2016-07-06 | 苏刚印 | Side-mounting type high-voltage vacuum circuit breaker |
| CN105977090A (en) * | 2016-07-02 | 2016-09-28 | 安徽互感器有限公司 | Outdoor integrated embedded pole |
| CN106093535A (en) * | 2016-08-10 | 2016-11-09 | 浙江华仪电器科技有限公司 | Pole |
| CN106783378A (en) * | 2017-02-18 | 2017-05-31 | 特变电工湖南电气有限公司 | One or two fusion vacuum circuit breaker on outdoor lamppost |
| CN206849759U (en) * | 2017-05-16 | 2018-01-05 | 朝瑞电气有限公司 | A kind of built-in current sensor vacuum circuit breaker |
| CN107968016A (en) * | 2018-01-10 | 2018-04-27 | 福建德普乐能源科技有限公司 | A kind of pole that can improve electrical insulation properties |
-
2018
- 2018-07-03 CN CN201810716649.1A patent/CN108878208B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363347U (en) * | 2011-11-03 | 2012-08-01 | 北京电研华源电力技术有限公司 | Packed pole for outdoor vacuum circuit breaker |
| CN105742109A (en) * | 2016-03-28 | 2016-07-06 | 苏刚印 | Side-mounting type high-voltage vacuum circuit breaker |
| CN105977090A (en) * | 2016-07-02 | 2016-09-28 | 安徽互感器有限公司 | Outdoor integrated embedded pole |
| CN106093535A (en) * | 2016-08-10 | 2016-11-09 | 浙江华仪电器科技有限公司 | Pole |
| CN106783378A (en) * | 2017-02-18 | 2017-05-31 | 特变电工湖南电气有限公司 | One or two fusion vacuum circuit breaker on outdoor lamppost |
| CN206849759U (en) * | 2017-05-16 | 2018-01-05 | 朝瑞电气有限公司 | A kind of built-in current sensor vacuum circuit breaker |
| CN107968016A (en) * | 2018-01-10 | 2018-04-27 | 福建德普乐能源科技有限公司 | A kind of pole that can improve electrical insulation properties |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610351A (en) * | 2020-06-04 | 2020-09-01 | 贵州电网有限责任公司 | Lap joint type high-altitude junction pole |
| CN111610351B (en) * | 2020-06-04 | 2022-09-16 | 贵州电网有限责任公司 | Lap joint type high-altitude junction pole |
| CN112185752A (en) * | 2020-09-28 | 2021-01-05 | 许继集团有限公司 | Solid-sealed polar pole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108878208B (en) | 2023-11-07 |
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