CN105609259A - Intelligent high-voltage current transformer - Google Patents
Intelligent high-voltage current transformer Download PDFInfo
- Publication number
- CN105609259A CN105609259A CN201610099185.5A CN201610099185A CN105609259A CN 105609259 A CN105609259 A CN 105609259A CN 201610099185 A CN201610099185 A CN 201610099185A CN 105609259 A CN105609259 A CN 105609259A
- Authority
- CN
- China
- Prior art keywords
- ring
- radially
- press
- paw
- traveller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/04—Arrangements or devices for relieving mechanical tension
Abstract
The invention discloses an intelligent high-voltage current transformer. The intelligent high-voltage current transformer comprises a core tube, a voltage transformer, two press rings and two sets of wire clamping assemblies, wherein a plurality of radial guide holes are formed on the tube wall of the core tube, each press ring is rotatably arranged on the outer peripheral wall of the core tube and comprises a ratchet ring, a plurality of slope grooves are formed on the inner peripheral wall of the ratchet ring, a plurality of wedge-shaped drop prevention teeth are arranged in each slop groove, each press ring is adaptive to corresponding one set of wire clamping assembly, each set of wire clamping assembly comprises a plurality of press claw assemblies uniformly arranged along the circumferential direction of the core tube, each press claw assembly comprises a plurality of press claws and a reset spring, each press claw comprises a press plate part and a radial sliding column, each radial sliding column is provided with wedge-shaped teeth, the press plate part of each press claw is arranged in a tube cavity of the core tube, the radial sliding column of each press claw passes through one of the radial guide holes, each wedge-shaped teeth props against corresponding one of the wedge-shaped drop prevention teeth, the voltage transformer comprises an annular substrate, wire clamping holes are arranged in a hole cavity of the annular substrate, and the press plate part in the corresponding one set of wire clamping assembly is driven to move towards the center of the core tube when each ratchet ring rotates. The intelligent high-voltage current transformer has excellent electrical performance.
Description
Technical field
The invention belongs to high-tension electricity technical field, be specifically related to a kind of Intelligent high-pressure transformer.
Background technology
High-voltage mutual inductor is be applicable in 1kv to 220kv power system, large voltage transitions be become small voltage or large electric current is turnedChange little electric current into so that the transformer of measuring, protecting, use.
Mostly existing high-voltage mutual inductor is induction transformer, and operation principle is identical with transformer, and basic structure is also ironCore and former and deputy winding. The Main Function of high-voltage mutual inductor is as follows: high voltage is converted to low-voltage, and large current conversion becomesLittle electric current, after this again for measuring, control, protecting. So not only can strengthen measuring instrument from journey, be convenient to instrument markStandardization, reduces the voltage and current of controlling, protecting equipment, and instrument and equipment or high-tension circuit is separated, and ensures instrumentTable, equipment and staff's safety.
Mostly the mounting means of existing high-voltage mutual inductor is to adopt flange install fixing or adopt bonding mode to fix, its installationPosition generally needs reserved, therefore make the application of high-voltage mutual inductor be subject to more restriction.
Summary of the invention
The object of this invention is to provide a kind of Intelligent high-pressure transformer of locating, thering is better firm degree of being convenient to install.
The technical scheme that realizes the object of the invention is: a kind of Intelligent high-pressure transformer, comprises a core pipe, a voltageTransformer, two pressure rings and two cover wire clipping components; Core tube wall is provided with multiple radially-directeds hole; Each pressure ring rotates and arrangesOn core pipe periphery wall; Each pressure ring comprises that internal perisporium is provided with the sour jujube ring of multiple slopes groove; In the groove of each slope, be provided with multiple wedgesShape anticreep tooth; Each pressure ring and corresponding a set of wire clipping component adaptation; Each cover wire clipping component comprises along core pipe circumferentially equally distributedMultiple paw assemblies; Two cover wire clipping components are axially arranged side by side along core pipe; Each paw assembly comprises multiple paws and is pawThe back-moving spring of reseting elasticity is provided; Each paw comprises pressing plate portion and is arranged on the radially traveller on pressing plate portion outer wall; Each footpathTo the outboard end of traveller be provided with sour jujube ring slope groove in the chisel teeth of wedge shape anticreep tooth adaptation; The pressing plate portion of each paw is positioned atIn core pipe tube chamber, the radially traveller of each paw is through the corresponding radially-directed hole on core tube wall, at back-moving springUnder elastic force effect, on the wedge shape anticreep tooth of the chisel teeth apical grafting on each radially traveller in a corresponding slope groove; Each cartridge clipRadially traveller in line component is the inwall setting to a corresponding pressure ring just, and the equal apical grafting of chisel teeth respectively overlapping in wire clipping component existsOn wedge shape anticreep tooth in a corresponding pressure ring; Voltage transformer comprises annular matrix; Clamp hole is positioned at the hole of annular matrixIn chamber; Each pressure ring also comprises two clamping connection rings and multiple connecting rivet, two clamping connection ring separation sour jujube ring both sides, connecting rivetAxially sour jujube ring and two clamping connection ring riveted joints are fixed along core pipe; Each paw assembly also comprises mat; Each paw also comprises settingAnnular slot on traveller periphery wall radially; Each mat is fixed on corresponding one radially in the annular slot of traveller;Each back-moving spring is set in corresponding one radially on traveller, and the outer end of each back-moving spring is connected to a corresponding annular matUpper, the inner of each back-moving spring is connected on core pipe; Each sour jujube ring drives the wedge shape anticreep tooth on its inwall to rotate while rotation,By pushing the radially traveller of each paw, drive the pressing plate portion in corresponding a set of wire clipping component to move towards core tube hub.
The present invention has positive effect: (1) Intelligent high-pressure transformer of the present invention is owing to carrying press claw type retaining mechanism,Do not need reserved installation position, be easy to install. (2) the present invention carries out each paw by the slope groove with wedge shape anticreep toothLocation, can play and prevent the technique effect that falls back, clamps electric power cable and compares, anti-with the bolt assembly by traditionalParticularly excellent in loosening effect, effectively ensure the reliability of long-term work. (3) the present invention is by adopting two cover clampsAssembly clamps electric power cable, and a set of being out of order another set ofly still can ensure work, has the technique effect of dual fail-safe.
Brief description of the drawings
Fig. 1 is a kind of perspective view of the first structure of the present invention;
Fig. 2 is that the one of Intelligent high-pressure transformer shown in Fig. 1 is partly cutd open structural representation;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is a kind of explosive view of Intelligent high-pressure transformer shown in Fig. 1;
Fig. 5 is that Intelligent high-pressure transformer shown in Fig. 1 removes a kind of explosive view after pressure ring and back-up ring;
Fig. 6 is a kind of explosive view of paw assembly in Intelligent high-pressure transformer shown in Fig. 1;
Fig. 7 is that the one of the second structure of the present invention is partly cutd open structural representation;
Fig. 8 is the B-B cutaway view of Intelligent high-pressure transformer shown in Fig. 7;
Fig. 9 is a kind of perspective view of the core pipe of Intelligent high-pressure transformer shown in Fig. 7;
Figure 10 is that the one of the third structure of the present invention is partly cutd open structural representation.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of Intelligent high-pressure transformer, sees shown in Fig. 1 to Fig. 6, comprises a core pipe 2, an electricityPress transformer 8, two pressure rings 1, two axial back-up rings 4 and two cover wire clipping components 9.
Each pressure ring 1 comprises two clamping connection rings 12 and multiple connecting rivet 13 of sour jujube ring 11, separation sour jujube ring both sides; Each pressureIn ring, two clamping connection rings clamp sour jujube ring, and connecting rivet axially runs through described sour jujube ring and two clamping connection rings along core pipe, thereby willSour jujube ring is fixedly connected into an entirety with two clamping connection rings. The internal perisporium of sour jujube ring is provided with multiple slopes groove 111, each slopeIn groove, be provided with multiple wedge shape anticreep teeth 112; In the present embodiment, the internal perisporium of the internal perisporium of sour jujube ring and clamping connection ring is coplanar, sour jujubeThe periphery wall of ring and the periphery wall of clamping connection ring are coplanar; The periphery wall of pressure ring is provided with and multiplely axially runs through whole pressure ring along core pipeBinding groove 14, pressure ring twist operation adopt hook type spanner (being commonly called as hook spanner). In concrete practice, clamping connection ringInternal diameter also can be slightly smaller than the internal perisporium of sour jujube ring. Slope groove in the present embodiment refers to that depth of groove is from a side to opposite sideThe groove that end increases progressively gradually.
The periphery wall of core pipe 2 is provided with the gear platform 21 of evagination and the annular groove 22 of two indents, and gear platform is positioned at two ringsIn the middle of connected in star; Core pipe is provided with four radially-directed holes 23, these four footpaths on the tube wall between gear platform and each annular grooveCircumferentially be uniformly distributed along core pipe to pilot hole; In the present embodiment, each radially-directed hole is along core caliber to running through core tube wall,Each radially-directed hole comprises accommodating hole 231 and the guiding slide opening 232 of connection, and accommodating hole and guiding slide opening are along from outside to insideDirection sets gradually, and accommodating hole and guiding slide opening are all circular holes, and the aperture of accommodating hole is greater than the aperture of the slide opening that leads, each footpathT font to the cross sectional shape of pilot hole. Each axial back-up ring is arranged in a corresponding annular groove of core pipe.
Each pressure ring rotates and is arranged on core pipe periphery wall, the both sides of two pressure ring separation gear platforms, a side and the gear of each pressure ringOne end slip adjacency of platform, another side and a corresponding axial back-up ring slip adjacency.
Each cover wire clipping component comprises that the present embodiment is selected four, tool along circumferentially equally distributed multiple paw assemblies 3 of core pipeIn body practice, can between two to five, select. Two cover wire clipping components are along the axially adjacency setting side by side of core pipe. The present embodimentIn, the multiple paw assemblies 3 that respectively overlap in wire clipping component form a clamp hole 5 for clamping. Each cover wire clipping component and phaseAnswer a pressure ring adaptation.
Each paw assembly 3 comprise a paw 31, one for paw provide the back-moving spring 32 of reseting elasticity and one solidSurely be arranged on the mat 33 on each paw; Each paw comprises pressing plate portion 311, is arranged on the radially traveller on pressing plate portion outer wall312, be arranged on the annular slot 313 on traveller periphery wall radially; Guiding slide opening in each radially traveller and radially-directed holeAdaptation, each radially traveller under the position-limiting action of guiding slide opening along core caliber to reciprocatingly sliding; Each radially outboard end of travellerBe provided with chisel teeth 34; Wedge shape anticreep tooth adaptation in each chisel teeth and sour jujube ring slope groove; Radially sliding in each cover wire clipping componentPost is the inwall setting to a corresponding pressure ring just. Each mat is fixed on corresponding one radially in the annular slot of traveller,Each back-moving spring is set in corresponding one radially on traveller, and each back-moving spring is connected to corresponding one along core caliber outer end upwardsIn individual annular mat, back-moving spring is connected on the diapire of accommodating hole along core caliber the inner upwards;
The pressing plate portion of each paw is arranged in core pipe tube chamber, and the radially traveller of each paw is through the corresponding footpath on core tube wallTo pilot hole; Under the elastic force effect of back-moving spring, the chisel teeth apical grafting on each radially traveller sour jujube ring corresponding one tiltedlyOn wedge shape anticreep tooth in the groove of slope; The wedge shape anticreep of the equal apical grafting of chisel teeth in each cover wire clipping component in a corresponding pressure ringOn tooth; Under the position-limiting action of slope groove and chisel teeth, the pressure ring in the present embodiment can only be twisted along a direction, toolHaving anti-retrogression is also anti-loosening technique effect.
The inwall of each paw pressing plate portion is provided with deep-slotted chip breaker 314, in the present embodiment, and the deep-slotted chip breaker clamping of each paw pressing plate portionForm described for clamping the clamp hole 5 of electric power cable.
The present embodiment, in order to connect electricity from insulating power cable, is also provided with multiple punctures 6 in each deep-slotted chip breaker; Specifically,Respectively puncture along core caliber to protrusion. The existence of puncture, can be without insulating power cable is carried out to peeling processing, Ji KeyouEffect connects electricity. In concrete practice, if clamping is bare wire, puncture can be set.
In the present embodiment, each paw is the integral piece of making by casting forming, and each puncture is made in the time of casting forming; ?In concrete practice, puncture also can adopt alternate manner to make; For example in each deep-slotted chip breaker, be provided with multiple installation draw-in grooves, thenInstall in draw-in groove be inlaid in corresponding one by the die-cut puncture sheet of making; Puncture sheet comprises installation portion and thorn blade, peaceDress portion is inlaid in installs in draw-in groove, and thorn blade exposes installing card groove and forms puncture. The benefit of this structure is that puncture sheet canTo adopt the material different with paw to make, especially select and treat that clamp cable same material used makes, be conducive to acquisitionBetter electrical gas performance.
Voltage transformer comprises annular matrix 81; Annular matrix is fixedly installed on a clamping connection ring; In the present embodiment, oneIndividual clamping connection ring is provided with installation gap 121 at the side in abutting connection with sour jujube ring, and annular matrix is inlaid in this installation gap; ThisStructure makes the present embodiment can be used as an Intelligent high-pressure transformer use.
In concrete practice, no matter where annular matrix is fixed on, as long as make clamp hole be arranged in the vestibule of annular matrix,As long as also allow by folder electric power cable through annular matrix.
The present embodiment, in the time of operation, adopts hook type spanner to twist each pressure ring, makes each pressure ring drive the wedge shape in its slope grooveAnticreep tooth rotates, thereby pushes the radially traveller in corresponding a set of wire clipping component, overcomes the elastic force of each back-moving spring, makesPressing plate portion in this cover wire clipping component, along core caliber to inside slippage, is positioned at clamp hole thereby this cover wire clipping component is clampedIn electric power cable. The respectively corresponding corresponding a set of wire clipping component of two pressure rings in the present embodiment, can operate separately separately;By adopting two cover wire clipping components to clamp electric power cables, a set of being out of order, another set ofly still can ensure work, has twoThe technique effect of insurance.
The present embodiment is by clamping cable at the longitudinal center line place that is arranged on Intelligent high-pressure transformer, and its gravity centre distributionFor rationally, on for high-altitude overhead power line time, be conducive to alleviate vibration; In addition, the present embodiment is by having wedgeThe slope groove of shape anticreep tooth positions each paw, and can play and prevent the technique effect that falls back, and by traditional spiral shellBolt assembly clamps electric power cable and compares, particularly excellent in anti-loosening effect, effectively ensures the reliability of long-term work.
(embodiment 2)
The present embodiment and embodiment 1 are basic identical, and difference is: see shown in Fig. 7 to Fig. 9, in the present embodimentVoltage transformer 8 also comprises intelligent control module 82; The periphery wall of core pipe is provided with resettlement groove 25, intelligent control moduleBe arranged in resettlement groove; Intelligent control module can comprise wireless transmit/receive units and alarm buzzer, intelligent control moduleThe secondary voltage or the current signal that annular matrix are sensed by wireless transmit/receive units send distance host to, to realize essenceClose long-range no worker monitor; This structure can make full use of space, is conducive to the small-sized and integrated of entirety.
(embodiment 3)
The present embodiment and embodiment 2 are basic identical, and difference is: as shown in Figure 10, the present embodiment is no longer electricityPress the annular matrix of transformer to be arranged in clamping connection ring, in the present embodiment, the annular matrix of voltage transformer is fixedly installed on coreOn pipe periphery wall, this scheme is also feasible, structure compacter and be easy to manufacture processing.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not to thisThe restriction of working of an invention mode. For those of ordinary skill in the field, also can on the basis of the above descriptionTo make other changes in different forms. Here without also giving exhaustive to all embodiments. And thisThe apparent variation that belongs to connotation of the present invention a bit and extended out or variation still belong to protection scope of the present invention.
Claims (1)
1. an Intelligent high-pressure transformer, is characterized in that: comprise a core pipe, voltage transformer, twoPressure ring and two cover wire clipping components; Core tube wall is provided with multiple radially-directeds hole; Each pressure ring rotates and is arranged on core pipe periphery wallOn; Each pressure ring comprises that internal perisporium is provided with the sour jujube ring of multiple slopes groove; In the groove of each slope, be provided with multiple wedge shape anticreep teeth; RespectivelyPressure ring and corresponding a set of wire clipping component adaptation; Each cover wire clipping component comprises along circumferentially equally distributed multiple paw groups of core pipePart; Two cover wire clipping components are axially arranged side by side along core pipe; Each paw assembly comprises multiple paws and provides reset bullet for pawThe back-moving spring of power; Each paw comprises pressing plate portion and is arranged on the radially traveller on pressing plate portion outer wall; Outside each radially travellerSide be provided with sour jujube ring slope groove in the chisel teeth of wedge shape anticreep tooth adaptation; The pressing plate portion of each paw is positioned at core pipe tube chamberIn, the radially traveller of each paw is through the corresponding radially-directed hole on core tube wall, in the elastic force effect of back-moving springUnder, on the wedge shape anticreep tooth of the chisel teeth apical grafting on each radially traveller in a corresponding slope groove; In each cover wire clipping componentThe just inwall setting to a corresponding pressure ring of radially traveller, respectively overlap the equal apical grafting of chisel teeth in wire clipping component at corresponding oneOn wedge shape anticreep tooth in pressure ring; Voltage transformer comprises annular matrix; Clamp hole is arranged in the vestibule of annular matrix; RespectivelyPressure ring also comprises two clamping connection rings and multiple connecting rivet, two clamping connection ring separation sour jujube ring both sides, and connecting rivet is along core tubular axisTo sour jujube ring and two clamping connection ring riveted joints are fixed; Each paw assembly also comprises mat; Each paw also comprises being arranged on radially to be slidedAnnular slot on post periphery wall; Each mat is fixed on corresponding one radially in the annular slot of traveller; Each reset bulletSpring is set in corresponding one radially on traveller, and the outer end of each back-moving spring is connected in a corresponding annular mat, respectively resetsThe inner of spring is connected on core pipe; Each sour jujube ring drives the wedge shape anticreep tooth on its inwall to rotate while rotation, each by pushingThe radially traveller of paw, drives the pressing plate portion in corresponding a set of wire clipping component to move towards core tube hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099185.5A CN105609259A (en) | 2016-01-15 | 2016-01-15 | Intelligent high-voltage current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099185.5A CN105609259A (en) | 2016-01-15 | 2016-01-15 | Intelligent high-voltage current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105609259A true CN105609259A (en) | 2016-05-25 |
Family
ID=55989108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610099185.5A Withdrawn CN105609259A (en) | 2016-01-15 | 2016-01-15 | Intelligent high-voltage current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105609259A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1319448A2 (en) * | 2001-12-11 | 2003-06-18 | Mario Fabris | Two stage clamping pinion |
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN103490350A (en) * | 2013-10-08 | 2014-01-01 | 国家电网公司 | Peeling and cutting tool for outer semi-conducting layer of crosslinked power cable |
| CN204884841U (en) * | 2015-08-17 | 2015-12-16 | 广东腾达电力科技有限公司 | Undercurrent route selection is high accuracy opening CT for device |
-
2016
- 2016-01-15 CN CN201610099185.5A patent/CN105609259A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1319448A2 (en) * | 2001-12-11 | 2003-06-18 | Mario Fabris | Two stage clamping pinion |
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN103490350A (en) * | 2013-10-08 | 2014-01-01 | 国家电网公司 | Peeling and cutting tool for outer semi-conducting layer of crosslinked power cable |
| CN204884841U (en) * | 2015-08-17 | 2015-12-16 | 广东腾达电力科技有限公司 | Undercurrent route selection is high accuracy opening CT for device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160525 |