CN105788814A - Power high-voltage transformer - Google Patents
Power high-voltage transformer Download PDFInfo
- Publication number
- CN105788814A CN105788814A CN201610099181.7A CN201610099181A CN105788814A CN 105788814 A CN105788814 A CN 105788814A CN 201610099181 A CN201610099181 A CN 201610099181A CN 105788814 A CN105788814 A CN 105788814A
- Authority
- CN
- China
- Prior art keywords
- paw
- radially
- traveller
- core tube
- 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.)
- Withdrawn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
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
Abstract
The invention discloses a power high-voltage transformer, which comprises a compression ring, a core tube, a current transformer body and two sets of wire clamping components, wherein the compression ring is rotationally arranged on the outer circumference wall of the core tube; the compression ring comprises a ratchet ring of which the inner circumference wall is provided with a plurality of slope grooves; a plurality of wedge-shaped anti-drop teeth are arranged in the slope grooves; a plurality of radial guide holes are formed in the tube wall of the core tube; each set of wire clamping components comprise a plurality of press claw components which are evenly distributed along the circumferential direction of the core tube; each press claw component comprises a plurality of press claws and reset springs for providing reset elasticity to the press claws; each press claw comprises a press plate part and a radial slide column; wedge-shaped teeth are arranged in the radial slide columns; the press plate parts of the press claws are located in a tube cavity of the core tube; each radial slide column passes through one corresponding radial guide hole; each wedge-shaped tooth is propped against one corresponding wedge-shaped anti-drop tooth; the current transformer body comprises an annular base body; and the ratchet ring synchronously drives the press plate parts in the two sets of wire clamping components to move towards the center of the core tube when rotating. The power high-voltage transformer is relatively stable to install.
Description
Technical field
The invention belongs to high-tension electricity technical field, be specifically related to a kind of power high voltage transformer.
Background technology
High-voltage mutual inductor apply to big voltage is converted to small voltage by 1kv to 220kv power system or convert big electric current to small area analysis so that measure, protection, the transformer that uses.
Mostly existing high-voltage mutual inductor is induction transformer, and operation principle is identical with transformator, and basic structure is also iron core and former and deputy winding.The Main Function of high-voltage mutual inductor is as follows: high voltage is converted to low-voltage, and big electric current converts small area analysis to, hereafter again for measuring, control, protecting.So not only can strengthen measurement instrument from journey, it is simple to instrument standard, reduce control, the voltage and current of protection equipment, and make instrument separate with equipment or high-tension circuit, it is ensured that the safety of instrument, equipment and staff.
Mostly the mounting means of existing high-voltage mutual inductor is to adopt flange install fixing or adopt bonding mode to fix, and its installation site is it is generally required to reserve, so that the application of high-voltage mutual inductor is subject to more restriction.
Summary of the invention
It is an object of the invention to provide and a kind of be easily installed location, there is the power high voltage transformer of better firmness.
The technical scheme realizing the object of the invention is: a kind of power high voltage transformer, including a pressure ring, a core pipe, a voltage transformer and two set wire clipping components；Pressure ring rotates and is arranged on core pipe periphery wall；Pressure ring includes internal perisporium and is provided with the spine ring of multiple slopes groove；Each slope groove is provided with multiple wedge shape anticreep tooth；Core tube wall is provided with multiple radially-directed hole；Paw assembly includes multiple paw and provides the back-moving spring of reseting elasticity for paw；Each set wire clipping component includes along the core pipe equally distributed multiple paw assemblies of circumference；Two set wire clipping components are axially arranged side by side along core pipe；Multiple paw assemblies in each set wire clipping component form a clamp hole for clamping；Each paw includes pressing plate portion and the radial direction traveller being arranged on pressing plate portion outer wall；The outboard end of each radially traveller is provided with the chisel teeth adaptive with the wedge shape anticreep tooth in the groove of spine ring slope；The pressing plate portion of each paw is arranged in core pipe tube chamber, and the radial direction traveller of each paw is through the corresponding radially-directed hole on core tube wall, under the elastic force effect of back-moving spring, on the wedge shape anticreep tooth in a corresponding slope groove of the chisel teeth apical grafting on each radially traveller；Voltage transformer includes annular matrix；Clamp hole is arranged in the vestibule of annular matrix；Each radially-directed hole includes accommodating hole and the guiding slide opening of connection；Guiding slide opening in each radially traveller and radially-directed hole is adaptive, each radially traveller under the position-limiting action of guiding slide opening along core caliber to reciprocatingly sliding；Each back-moving spring is set on a corresponding radial direction traveller；Being fixed with mat on each radially traveller, the outer end of each back-moving spring is connected in this mat, and the inner of each back-moving spring is connected on the diapire of accommodating hole；Drive wedge shape anticreep tooth to rotate when spine ring rotates, by pushing up the radial direction traveller pressing each paw, synchronize to drive each pressing plate portion in two set wire clipping components to move towards core tube hub.
The present invention has positive effect: the high-voltage mutual inductor of (1) present invention is owing to carrying press claw type retaining mechanism, it is not necessary to reserved installation position, it is easy to install.(2) each paw is positioned by the present invention by having the slope groove of wedge shape anticreep tooth, the technique effect preventing from falling back can be played, compare with by traditional bolt assembly clamping electric power cable, particularly excellent in anti-loosening effect, it is effectively ensured the reliability of long-term work.(3) present invention is by adopting two set wire clipping components clamping electric power cables, a set of is out of order, and another set of still can ensure that work, has the technique effect of dual fail-safe.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is that shown in Fig. 1, the one of high-voltage mutual inductor partly cuts open structural representation；
Fig. 3 is the A-A sectional view of Fig. 2；
Fig. 4 is a kind of explosive view of high-voltage mutual inductor shown in Fig. 1；
Fig. 5 is a kind of explosive view after high-voltage mutual inductor shown in Fig. 1 removes pressure ring and back-up ring；
The one that Fig. 6 is the second structure of the present invention partly cuts open structural representation；
Fig. 7 is a kind of perspective view of high-voltage mutual inductor core pipe shown in Fig. 6；
The one that Fig. 8 is the third structure of the present invention partly cuts open structural representation.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of power high voltage transformer, sees shown in Fig. 1 to Fig. 5, including the axial back-up ring 4 of 8, two, a pressure ring 2, voltage transformer of 1, core pipe and two set wire clipping components 9.
Pressure ring 1 includes spine ring 11, separation two clamping connection rings 12 of spine ring both sides and multiple connecting rivet 13, two clamping connection ring clamping spine rings, connecting rivet axially penetrates through described spine ring and two clamping connection rings along core pipe, thus spine ring and two clamping connection rings are fixedly connected into an entirety.The internal perisporium of spine ring is provided with multiple slopes groove 111, is provided with multiple wedge shape anticreep tooth 112 in the groove of each slope；In the present embodiment, the internal perisporium of spine ring and the internal perisporium of clamping connection ring are coplanar, and the periphery wall of spine ring and the periphery wall of clamping connection ring are coplanar；The periphery wall of pressure ring is provided with multiple binding groove 14 axially penetrating through whole pressure ring along core pipe, and the operation of twisting of pressure ring adopts hook type spanner (being commonly called as hook spanner).In concrete practice, the internal diameter of clamping connection ring also can be slightly smaller than the internal perisporium of spine ring.Slope groove in the present embodiment refers to the groove that depth of groove is incremented by gradually to another side from a side.
The periphery wall of core pipe 2 is provided with the annular groove 22 of two indents, and core pipe is provided with multiple radially-directed hole 23 on the tube wall between two annular grooves；In the present embodiment, each radially-directed hole extends radially through core tube wall along core pipe, each radially-directed hole includes accommodating hole 231 and the guiding slide opening 232 of connection, accommodating hole and guiding slide opening set gradually along direction from outside to inside, accommodating hole and guiding slide opening are all circular holes, the aperture of accommodating hole is more than the aperture of guiding slide opening, and the cross sectional shape in each radially-directed hole is T-shaped.Each axial back-up ring is arranged in a corresponding annular groove of core pipe.Pressure ring rotates and is arranged on core pipe periphery wall, and respectively with two axial back-up rings of the two side ends of pressure ring slide adjacent.
Each set wire clipping component includes along the core pipe equally distributed multiple paw assemblies 3 of circumference, and the present embodiment selects four, in concrete practice, can select between two to five.Two set wire clipping components are axially provided adjacent to side by side along core pipe.In the present embodiment, the multiple paw assemblies 3 in each set wire clipping component form a clamp hole 5 for clamping.
Each paw assembly 3 includes back-moving spring 32 and the mat being fixedly installed on each paw 33 that a paw 31, is paw offer reseting elasticity；Each paw includes pressing plate portion 311, be arranged on pressing plate portion outer wall radial direction traveller 312, the annular slot 313 being arranged on radially traveller periphery wall；Guiding slide opening in each radially traveller and radially-directed hole is adaptive, each radially traveller under the position-limiting action of guiding slide opening along core caliber to reciprocatingly sliding；The outboard end of each radially traveller is provided with chisel teeth 34；Wedge shape anticreep tooth in each chisel teeth and spine ring slope groove is adaptive.Each mat is fixed in the annular slot of a corresponding radial direction traveller, each back-moving spring is set on a corresponding radial direction traveller, each back-moving spring is connected in a corresponding annular mat along core caliber outer end upwards, and 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, the radial direction traveller of each paw is through the corresponding radially-directed hole on core tube wall, under the elastic force effect of back-moving spring, on the wedge shape anticreep tooth in a corresponding slope groove of spine ring of the chisel teeth apical grafting on each radially traveller.Under the position-limiting action of slope groove and chisel teeth, the pressure ring in the present embodiment is twisted only along a direction, has anti-retrogression namely anti-loosening technique effect.
The inwall in each paw pressing plate portion is provided with arcuate groove 314, and in the present embodiment, the arcuate groove clamping in each paw pressing plate portion forms the described clamp hole 5 for clamping electric power cable.
The present embodiment, in order to connect electricity or improving clamping line strength from insulating power cable, is also provided with multiple puncture 6 in each arcuate groove；Specifically, respectively puncture along core pipe radially protruding.The existence punctured, it is possible to without insulating power cable is carried out peeling process, can effectively connect electricity.In concrete practice, if what to clamp is bare wire, then can be not provided with puncturing.
In the present embodiment, each paw is the integral piece made by casting forming, and each puncture is made when casting forming；In concrete practice, puncture may be used without alternate manner and makes；In each arcuate groove, such as it is provided with multiple installation draw-in groove, then installs in draw-in groove being inlaid in corresponding one by the die-cut puncture sheet made；Puncturing sheet include installation portion and sting blade, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes installation draw-in groove and forms puncture.The benefit of this structure is to puncture sheet the material different with paw can be adopted to make, and especially selects and treats that same material used by clamp cable is made, being conducive to obtaining preferably electric property.
Voltage transformer includes annular matrix 81；Annular matrix is fixedly installed on a clamping connection ring；In the present embodiment, a clamping connection ring is provided with installation gap 121 at a side of adjacent spine ring, and annular matrix is inlaid in this installation gap；This structure makes the present embodiment can use as a high-voltage mutual inductor.
In concrete practice, no matter annular matrix is fixed on where, as long as making clamp hole be arranged in the vestibule of annular matrix, as long as namely allowing by folder electric power cable traverse annular matrix.
The present embodiment is when operation, hook type spanner is adopted to twist pressure ring, pressure ring is made to drive the wedge shape anticreep tooth in its slope groove to rotate, owing to each back-moving spring stress can deform shortening, make the chisel teeth of the radially traveller of each pressing plate in two set wire clipping components towards the shallower side shifting of groove depth in the groove of slope, and then make the pressing plate portion in two set wire clipping components along the radially-inwardly sliding of core pipe, so that two set wire clipping component synchronous clampings are arranged in the electric power cable in clamp hole.
The present embodiment is by being arranged on cable clamping at the longitudinal center line place of high-voltage mutual inductor, and its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration；Additionally, each paw is positioned by the present embodiment by having the slope groove of wedge shape anticreep tooth, it is possible to play the technique effect preventing from falling back, and compares with by traditional bolt assembly clamping electric power cable, in anti-loosening effect particularly excellent, be effectively ensured the reliability of long-term work.Additionally, the present embodiment is by adopting two set wire clipping components clamping electric power cables, a set of it is out of order, another set of still can ensure that work, there is the technique effect of dual fail-safe.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, are different in that: see shown in Fig. 6 and Fig. 7, and the voltage transformer 8 in the present embodiment also includes intelligent control module 82；The periphery wall of core pipe is provided with resettlement groove 25, and intelligent control module is arranged in resettlement groove；Intelligent control module can include wireless transmit/receive units and alarm buzzer, and secondary voltage or current signal that intelligent control module is sensed annular matrix by wireless transmit/receive units send distance host to, to realize the long-range no worker monitor of precision；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 essentially identical, it is different in that: as shown in Figure 8, the present embodiment is no longer arranged on the annular matrix of voltage transformer in clamping connection ring, in the present embodiment, the annular matrix of voltage transformer is fixedly installed on core pipe periphery wall, this scheme is also feasible, and structure is compacter and easily fabricated processing.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change that these connotations belonging to the present invention are extended out or variation still fall within protection scope of the present invention.
Claims (1)
1. a power high voltage transformer, it is characterised in that: include a pressure ring, a core pipe, a voltage transformer and two set wire clipping components；Pressure ring rotates and is arranged on core pipe periphery wall；Pressure ring includes internal perisporium and is provided with the spine ring of multiple slopes groove；Each slope groove is provided with multiple wedge shape anticreep tooth；Core tube wall is provided with multiple radially-directed hole；Paw assembly includes multiple paw and provides the back-moving spring of reseting elasticity for paw；Each set wire clipping component includes along the core pipe equally distributed multiple paw assemblies of circumference；Two set wire clipping components are axially arranged side by side along core pipe；Multiple paw assemblies in each set wire clipping component form a clamp hole for clamping；Each paw includes pressing plate portion and the radial direction traveller being arranged on pressing plate portion outer wall；The outboard end of each radially traveller is provided with the chisel teeth adaptive with the wedge shape anticreep tooth in the groove of spine ring slope；The pressing plate portion of each paw is arranged in core pipe tube chamber, and the radial direction traveller of each paw is through the corresponding radially-directed hole on core tube wall, under the elastic force effect of back-moving spring, on the wedge shape anticreep tooth in a corresponding slope groove of the chisel teeth apical grafting on each radially traveller；Voltage transformer includes annular matrix；Clamp hole is arranged in the vestibule of annular matrix；Each radially-directed hole includes accommodating hole and the guiding slide opening of connection；Guiding slide opening in each radially traveller and radially-directed hole is adaptive, each radially traveller under the position-limiting action of guiding slide opening along core caliber to reciprocatingly sliding；Each back-moving spring is set on a corresponding radial direction traveller；Being fixed with mat on each radially traveller, the outer end of each back-moving spring is connected in this mat, and the inner of each back-moving spring is connected on the diapire of accommodating hole；Drive wedge shape anticreep tooth to rotate when spine ring rotates, by pushing up the radial direction traveller pressing each paw, synchronize to drive each pressing plate portion in two set wire clipping components to move towards core tube hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099181.7A CN105788814A (en) | 2016-01-15 | 2016-01-15 | Power high-voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099181.7A CN105788814A (en) | 2016-01-15 | 2016-01-15 | Power high-voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105788814A true CN105788814A (en) | 2016-07-20 |
Family
ID=56402889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610099181.7A Withdrawn CN105788814A (en) | 2016-01-15 | 2016-01-15 | Power high-voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105788814A (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 CN201610099181.7A patent/CN105788814A/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: 20160720 |