CN105609252A - High-voltage transformer - Google Patents
High-voltage transformer Download PDFInfo
- Publication number
- CN105609252A CN105609252A CN201610097673.2A CN201610097673A CN105609252A CN 105609252 A CN105609252 A CN 105609252A CN 201610097673 A CN201610097673 A CN 201610097673A CN 105609252 A CN105609252 A CN 105609252A
- Authority
- CN
- China
- Prior art keywords
- paw
- voltage transformer
- core tube
- plate portion
- press
- 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.)
- Pending
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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
-
- 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
Abstract
The invention discloses a high-voltage transformer, which comprises a core tube, a voltage transformer, two compression rings and two sets of press claw components, wherein two groups of guide holes are arranged on the tube wall of the core tube in parallel; each group of guide holes are matched with one set of press claw component; each group of guide holes comprise three radial guide holes; each set of press claw component comprises three press claws; each press claw is provided with a press plate part, a guide slide block part and a drive plate part; the compression rings are rotationally arranged on the outer circumference wall of the core tube; one side end of each compression ring is adjacent to the guide slide block parts in corresponding one set of press claw component in a sliding manner; three spiral grooves are arranged on the end wall, adjacent to the guide slide block parts, of each compression ring; the three spiral grooves are matched with three drive plate parts in the corresponding one set of press claw component respectively; the drive plate part of each press claw is located in corresponding one spiral groove; the voltage transformer comprises an annular base body; wire clamping holes are located in hole cavities of the annular base body; and the compression rings push the press plate parts in the corresponding one set of press claw component to slide towards the center of the core tube when rotating. The high-voltage transformer is easy to install.
Description
Technical field
The invention belongs to high-tension electricity technical field, be specifically related to a kind of high-voltage mutual inductor.
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 high-voltage mutual inductor 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 high-voltage mutual inductor, comprise a core pipe, voltage transformer,Two pressure rings and two casing pressure claw assemblies; On core tube wall, be provided with side by side two groups of pilot holes, respectively organize pilot hole and a set of paw groupPart adaptation; Each group pilot hole comprises three radially-directed holes; Each casing pressure claw assembly comprises three paws; Each paw is provided with pressureBoard, guide runner portion and transmission board; Each pressing plate portion is arranged in core pipe tube chamber, three pressures in each casing pressure claw assemblyBoard clamping forms a clamp hole; Core tube wall is stretched out in the outer end of the guide runner portion of paw, and each driver plate portion is positioned at coreTube wall outside; Each paw reciprocatingly slides along a corresponding radially-directed hole; Each pressure ring rotates the periphery wall that is arranged on core pipeUpper, the guide runner portion slip adjacency in a side of each pressure ring and corresponding a set of paw assembly; Each pressure ring and guide runnerThe end wall of portion's adjacency is provided with three helicla flutes, these three helicla flutes respectively with corresponding a set of paw assembly in three transmissionsBoard adaptation; The driver plate portion of each paw is arranged in a corresponding helicla flute; Voltage transformer comprises annular matrix, clampHole is arranged in annular matrix vestibule; When rotating, each pressure ring pushes the transmission board of a corresponding paw by helicla flute, and thenThe pressing plate portion promoting in corresponding a set of paw assembly slides towards core tube hub.
In technique scheme, keeping off on the end wall of platform in abutting connection with annular of a pressure ring, is provided with annular arrangements groove; This voltage is mutualSensor is fixed in the resettlement groove of pressure ring.
In technique scheme, voltage transformer also comprises intelligent control module; Intelligent control module comprises wireless receiving and dispatching listUnit, the secondary voltage signal that intelligent control module senses annular matrix by wireless transmit/receive units sends long-range master toMachine.
The present invention has positive effect: (1) high-voltage mutual inductor of the present invention, owing to carrying press claw type retaining mechanism, does not needReserve installation position, be easy to install. (2) the present invention drives paw to clamp electric power cable by helicla flute, and by traditionBolt assembly clamp electric power cable and compare, there is excellent anti-loosening effect, effectively ensure the reliable and stable of long-term workProperty. (3) the present invention is by clamping cable to be arranged on core tube hub place, and its gravity centre distribution is comparatively reasonable, when for high-altitudeOn overhead power line time, be conducive to alleviate vibration. (4) the present invention adopts two casing pressure claw assemblies to be clamped on same cable,There is the effect of dual fail-safe, in use go wrong even wherein a set of, also have its service behaviour of another set of guarantee.
Brief description of the drawings
Fig. 1 is that the one of the first structure of the present invention is partly cutd open structural representation;
Fig. 2 is that high-voltage mutual inductor shown in Fig. 1 removes a kind of perspective view after voltage transformer;
Fig. 3 is a kind of front view of high-voltage mutual inductor shown in Fig. 1;
Fig. 4 is that the one of high-voltage mutual inductor shown in Fig. 1 is partly cutd open structural representation;
Fig. 5 is a kind of explosive view of high-voltage mutual inductor shown in Fig. 1;
Fig. 6 is that high-voltage mutual inductor shown in Fig. 1 removes a kind of explosive view after pressure ring.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of high-voltage mutual inductor, sees shown in Fig. 1 to Fig. 5, comprises a core pipe 2, a mutual induction of voltageDevice 8, two pressure rings 1 and two casing pressure claw assemblies 3.
Core pipe periphery wall is provided with the annular gear platform 21 of evagination; On core tube wall, be provided with side by side vertically two groups of pilot holes, eachGroup pilot hole and a set of paw assembly adaptation; Each group pilot hole comprises three radially-directed holes 23, these three radially-directed holesCircumferentially be evenly distributed on core tube wall along core pipe; In the present embodiment, each radially-directed hole is along core caliber to running through core pipe pipeWall.
Each radially-directed hole 23 comprises the guiding slide opening 231 and the anticreep slide opening 232 that axially set gradually along core pipe; Guiding is slidingHole is arranged on the edge of core pipe two side ends, and anticreep slide opening and guiding slide opening are communicated with; The radial section shape in each radially-directed holeShape is T font; Each radially-directed hole 23 forms a breach that is positioned at core tube edges place.
Each casing pressure claw assembly includes three paws 5; Each paw is provided with pressing plate portion 51, sliding to the guiding of extending along core caliberPiece portion 52 and be arranged on the transmission board 53 in guide runner portion; It is sliding that the transmission board of each paw is arranged on each guidingIn piece portion along axially outstanding flange of core pipe, the outboard end of this flange is provided with chisel teeth 54.
Each pressing plate portion is all arranged in core pipe tube chamber, and core tube wall is stretched out in the outer end of the guide runner portion of each paw, each driver platePortion is positioned at core tube wall outside; Each guide runner portion 52 comprises guide part 521 and anti-delinking part 522, and guide part is positioned at correspondingIn the guiding slide opening in a radially-directed hole, anti-delinking part is arranged in the anticreep slide opening in a corresponding radially-directed hole; Guide partWith the radial section shape of anti-delinking part be and the T font of radially-directed hole adaptation. Each paw the spacing of radially-directed hole andUnder guide effect, along core caliber to reciprocatingly sliding; The inwall of each pressing plate portion is provided with deep-slotted chip breaker 55, in each casing pressure claw assemblyThe deep-slotted chip breaker of three paws encloses and forms a clamp hole 61 for clamping connection electric power cable.
Two pressure rings 1 rotate and are arranged on the periphery wall of core pipe, and the both sides of separation annular gear platform; The internal perisporium of each pressure ringIt is the smooth inner wall with core pipe periphery wall slip adjacency; The periphery wall of each pressure ring is provided with multiple binding grooves 11; Each pressure ringOne side and annular gear platform slip adjacency, the guide runner portion slip adjacency in another side and corresponding a set of paw assembly;In the present embodiment, each pressure ring be provided with three helicla flutes 12 with end wall guide runner portion adjacency, these three helicla flutes andThree transmission board adaptations in corresponding a set of paw assembly.
In the present embodiment, each helicla flute comprises the anticreep district 121 that is communicated with pressure ring vestibule 13 and away from pressure ring vestibuleAccommodating area 122; The diapire in anticreep district is provided with multiple wedge shape anticreep teeth 123, the chisel teeth of each wedge shape anticreep tooth and pawAdaptive; Accommodating area is smooth chute; The present embodiment is in the time of operation, and the binding groove that adopts hook type spanner to catch on pressure ring is twistedTurn pressure ring.
The driver plate portion of each paw is arranged in a corresponding helicla flute; Each helicla flute, along with pressure ring synchronously rotates, makes correspondingA transmission board, from being positioned at accommodating area to being positioned at anticreep district, also produces pushing effect to this transmission board; The present embodimentIn, each pressure ring is the paw in corresponding a set of paw assembly separately, makes pressing plate portion in each casing pressure claw assembly in core pipeThe heart is close to each other, thereby clamps the electric power cable that is arranged in clamp hole.
In the time that the chisel teeth of each pressing plate portion is clamped on the wedge shape anticreep tooth in corresponding anticreep district, wedge shape anticreep tooth prevents pressure ringReversing, thus make the present embodiment there is good anti-loosening effect.
This voltage transformer comprises annular matrix 81 and intelligent control module; In the present embodiment, a pressure ring in abutting connection with ringOn the end wall of shape gear platform, be provided with annular arrangements groove; This voltage transformer is fixed in the resettlement groove of pressure ring; Outside pressure ringOn perisporium, be still provided with binding groove. Intelligent control module can comprise wireless transmit/receive units, and intelligent control module is by wireless receiptsSecondary voltage or current signal that bill unit senses annular matrix send distance host to, to realize accurate long-range nothingPeople's monitoring; This structure can make full use of space, is conducive to the small-sized and integrated of entirety. The present embodiment can be used asA high-voltage mutual inductor uses.
The present embodiment is in order to promote clamping connection intensity, and the present embodiment is also provided with multiple punctures 62 in each deep-slotted chip breaker; Specifically,Respectively puncture along core caliber to protrusion.
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 canMake to adopt the material different with paw.
The present embodiment is by clamping cable at the longitudinal center line place that is arranged on high-voltage mutual inductor, and its gravity centre distribution is comparatively closedReason, on for high-altitude overhead power line time, is conducive to alleviate vibration; In addition, the present embodiment is anti-by having wedge shapeThe slope groove of de-tooth positions each paw, and can play and prevent the technique effect that falls back, and by traditional bolt groupPart clamps electric power cable and compares, particularly excellent in anti-loosening effect, effectively ensures the reliability of long-term work.
The present embodiment adopts two casing pressure claw assemblies to be clamped on same cable, has the effect of dual fail-safe, even wherein a set ofIn use go wrong, also have its service behaviour of another set of guarantee.
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 (3)
1. a high-voltage mutual inductor, is characterized in that: comprise a core pipe, voltage transformer, two pressure rings andTwo casing pressure claw assemblies; On core tube wall, be provided with side by side two groups of pilot holes, respectively organize pilot hole and a set of paw assembly adaptation; RespectivelyGroup pilot hole comprises three radially-directed holes; Each casing pressure claw assembly comprises three paws; Each paw is provided with pressing plate portion, guidingSlide section and transmission board; Each pressing plate portion is arranged in core pipe tube chamber, three pressing plate portion clamping shapes in each casing pressure claw assemblyBecome a clamp hole; Core tube wall is stretched out in the outer end of the guide runner portion of paw, and each driver plate portion is positioned at core tube wall outside;Each paw reciprocatingly slides along a corresponding radially-directed hole; Each pressure ring rotates and is arranged on the periphery wall of core pipe, each pressure ringGuide runner portion slip adjacency in one side and corresponding a set of paw assembly; The end wall of each pressure ring and guide runner portion adjacencyBe provided with three helicla flutes, these three helicla flutes respectively with corresponding a set of paw assembly in three transmission board adaptations; RespectivelyThe driver plate portion of paw is arranged in a corresponding helicla flute; Voltage transformer comprises annular matrix, and clamp hole is positioned at circular baseIn body opening chamber; Each pressure ring pushes the transmission board of a corresponding paw by helicla flute while rotation, and then promotes corresponding a set ofPressing plate portion in paw assembly slides towards core tube hub.
2. high-voltage mutual inductor according to claim 1, is characterized in that: a pressure ring in abutting connection with annular gear platformOn end wall, be provided with annular arrangements groove; This voltage transformer is fixed in the resettlement groove of pressure ring.
3. high-voltage mutual inductor according to claim 1, is characterized in that: voltage transformer also comprises Based Intelligent ControlModule; Intelligent control module comprises wireless transmit/receive units, intelligent control module by wireless transmit/receive units annular matrix senseRequired secondary voltage signal sends distance host to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097673.2A CN105609252A (en) | 2016-01-15 | 2016-01-15 | High-voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097673.2A CN105609252A (en) | 2016-01-15 | 2016-01-15 | High-voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105609252A true CN105609252A (en) | 2016-05-25 |
Family
ID=55989101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610097673.2A Pending CN105609252A (en) | 2016-01-15 | 2016-01-15 | High-voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105609252A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| JP2011208778A (en) * | 2010-03-30 | 2011-10-20 | Sanwa Tekki Corp | Piping fixing device |
| 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 CN201610097673.2A patent/CN105609252A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| JP2011208778A (en) * | 2010-03-30 | 2011-10-20 | Sanwa Tekki Corp | Piping fixing device |
| 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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