CN105551722A - High-voltage transformer - Google Patents
High-voltage transformer Download PDFInfo
- Publication number
- CN105551722A CN105551722A CN201610093585.5A CN201610093585A CN105551722A CN 105551722 A CN105551722 A CN 105551722A CN 201610093585 A CN201610093585 A CN 201610093585A CN 105551722 A CN105551722 A CN 105551722A
- Authority
- CN
- China
- Prior art keywords
- ring
- paw
- core pipe
- groove
- core tube
- 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- Withdrawn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
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- 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 high-voltage transformer, which comprises a compression ring, a core tube, a voltage transformer and two sets of wire clamping components, wherein the compression ring is rotationally arranged on the outer circumference wall of the core tube, and comprises a ratchet ring; a plurality of slope grooves are formed in the inner circumference wall of the ratchet ring; a plurality of wedge-shaped anti-drop teeth are arranged in the slope grooves; a plurality of radial guide holes are formed in the wall of the core tube; each set of wire clamping component comprises a plurality of press claw components which are evenly distributed along the circumference of the core tube; the press claw components comprise a plurality of press claws and reset springs for providing reset elasticity to the press claws; each press claw comprises a pressure plate part and a radial sliding column; the radial sliding columns are provided with the wedge-shaped teeth; the pressure plate parts of the press claws are located in a tube cavity of the core tube; each radial sliding column passes through the corresponding radial guide hole; each wedge-shaped tooth is propped against one corresponding wedge-shaped anti-drop tooth; the voltage transformer comprises an annular substrate; and the ratchet ring synchronously drives the pressure plate parts in the two sets of wire clamping components to move towards the center of the core tube when rotating. The 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 high-voltage mutual inductor.
Background technology
High-voltage mutual inductor is applicable to large voltage transitions be become in 1kv to 220kv electric power system small voltage or converts big current to small area analysis so that the instrument transformer of measurement, protection, use.
Mostly existing high-voltage mutual inductor is induction instrument transformer, and operation principle is identical with transformer, 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 current converts small area analysis to, after this again for measurement, control, protection.So not only can strengthen measuring instrument from journey, be convenient to instrument standard, reduce control, the voltage and current of proterctive equipment, and instrument and equipment or high-tension circuit are separated, the safety of guarantee 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 generally needs to reserve, therefore makes 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 being convenient to install location, there is better firmness.
The technical scheme realizing the object of the invention is: a kind of high-voltage mutual inductor, comprises a pressure ring, a core pipe, a voltage transformer and two cover wire clipping components; Pressure ring rotates and is arranged on core pipe periphery wall; Pressure ring comprises the sour jujube ring that internal perisporium is provided with multiple slopes groove; Multiple wedge shape anticreep tooth is provided with in the groove of each slope; Core tube wall is provided with multiple radially-directed hole; Paw assembly comprises multiple paw and provides the back-moving spring of reseting elasticity for paw; Each cover wire clipping component comprises along the equally distributed multiple paw assembly of core pipe circumference; Two cover wire clipping components are axially arranged side by side along core pipe; Multiple paw assemblies in each cover wire clipping component are used for clamping and form a clamp hole; Each paw comprises pressing plate portion and is arranged on the radial traveller on pressing plate portion outer wall; The outboard end of each radial traveller is provided with the chisel teeth with the wedge shape anticreep tooth adaptation in the groove of sour jujube ring slope; The pressing plate portion of each paw is arranged in core pipe tube chamber, the radial 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 of the chisel teeth apical grafting on each radial traveller in a corresponding slope groove; Voltage transformer comprises annular matrix; Clamp hole is arranged in the vestibule of annular matrix; Also comprise two axial back-up rings; The periphery wall of core pipe is provided with two annular grooves, and each axial back-up ring is arranged in a corresponding annular groove; The axial back-up ring of two side ends respectively with two of pressure ring slides adjacent; The internal perisporium of sour jujube ring and the internal perisporium of clamping connection ring coplanar, the periphery wall of sour jujube ring and the periphery wall of clamping connection ring coplanar; The periphery wall of pressure ring is provided with multiple binding groove axially running through whole pressure ring along core pipe; When sour jujube ring rotates, drive wedge shape anticreep tooth rotates, and by the radial traveller of each paw of top pressure, in synchronous driving two cover wire clipping components, each pressing plate portion moves towards core tube hub.
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 need reserved installation position, is easy to install.(2) the present invention is positioned each paw by the slope groove with 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, effectively ensure the reliability of long-term work.(3) the present invention overlaps wire clipping component clamping electric power cable by employing two, is a set ofly out of order, and another set ofly still can ensure 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 partly cuts open structural representation for the one of high-voltage mutual inductor shown in Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
A kind of explosive view that Fig. 4 is high-voltage mutual inductor shown in Fig. 1;
Fig. 5 removes a kind of explosive view after pressure ring and back-up ring for high-voltage mutual inductor shown in Fig. 1;
Fig. 6 is that the one of the second structure of the present invention partly cuts open structural representation;
Fig. 7 is a kind of perspective view of the core pipe of high-voltage mutual inductor shown in Fig. 6;
Fig. 8 is that the one of the third structure of the present invention partly cuts open structural representation.
Embodiment
(embodiment 1)
The present embodiment is a kind of high-voltage mutual inductor, sees shown in Fig. 1 to Fig. 5, comprises the axial back-up ring 4 of 8, two, a pressure ring 1, core pipe 2, voltage transformer and two cover wire clipping components 9.
Pressure ring 1 comprises sour jujube ring 11, separation two clamping connection rings 12 of sour jujube ring both sides and multiple connecting rivet 13, two clamping connection ring clamping sour jujube rings, connecting rivet axially runs through described sour jujube ring and two clamping connection rings along core pipe, thus sour 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, is provided with multiple wedge shape anticreep tooth 112 in the groove of each slope; In the present embodiment, the internal perisporium of sour jujube ring and the internal perisporium of clamping connection ring coplanar, the periphery wall of sour jujube ring and the periphery wall of clamping connection ring coplanar; The periphery wall of pressure ring is provided with multiple binding groove 14 axially running 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 sour jujube ring.Slope groove in the present embodiment refers to the groove that depth of groove increases progressively from a side gradually to another side.
The periphery wall of core pipe 2 is provided with the annular groove 22 of two indents, and the tube wall of core pipe between two annular grooves is provided with multiple radially-directed hole 23; In the present embodiment, each radially-directed hole is along core caliber to running through core tube wall, each radially-directed hole comprises containing hole 231 and the guiding slide opening 232 of connection, containing hole and guiding slide opening set gradually along direction from outside to inside, containing hole and guiding slide opening are all circular holes, the aperture of containing hole is greater 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 the axial back-up ring of two side ends respectively with two of pressure ring slides adjacent.
Each cover wire clipping component comprises along the equally distributed multiple paw assembly 3 of core pipe circumference, and the present embodiment selects four, in concrete practice, can select between two to five.Two cover wire clipping components are arranged along core pipe is axially adjacent side by side.In the present embodiment, the multiple paw assemblies 3 in each cover wire clipping component form a clamp hole 5 for clamping.
Each paw assembly 3 comprises a paw 31, for paw provides back-moving spring 32 and the mat 33 be fixedly installed on each paw of reseting elasticity; Each paw comprises pressing plate portion 311, the radial traveller 312 be arranged on pressing plate portion outer wall, the annular slot 313 be arranged on radial traveller periphery wall; Guiding slide opening in each radial traveller and radially-directed hole is adaptive, each radial traveller under the position-limiting action of guiding slide opening along core caliber to reciprocatingly sliding; The outboard end of each radial traveller is provided with chisel teeth 34; Wedge shape anticreep tooth in each chisel teeth and sour jujube ring slope groove is adaptive.Each mat is fixed in the annular slot of a corresponding radial traveller, each back-moving spring is set on a corresponding radial 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 containing hole along core caliber the inner upwards;
The pressing plate portion of each paw is arranged in core pipe tube chamber, the radial 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 of the chisel teeth apical grafting on each radial traveller in a corresponding slope groove of sour jujube ring.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, has the technique effect that anti-retrogression is also namely anti-loosening.
The inwall in each paw pressing plate portion is provided with deep-slotted chip breaker 314, and in the present embodiment, the deep-slotted chip breaker 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 deep-slotted chip breaker; Specifically, respectively puncture along core caliber to protrusion.The existence of puncture, without the need to carrying out peeling process to insulating power cable, effectively can connect electricity.In concrete practice, if what will clamp is bare wire, then can not puncture be set.
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 also can adopt alternate manner to make; Such as in each deep-slotted chip breaker, be provided with multiple installation draw-in groove, then install in draw-in groove be inlaid in corresponding one by the die-cut puncture sheet made; Puncture sheet comprises installation portion and thorn blade, and installation portion is inlaid in be installed in draw-in groove, and thorn blade then exposes installing card groove and forms puncture.The benefit of this structure is that puncture sheet can adopt the material different with paw to make, and especially selects and treats that clamp cable same material used is made, being conducive to obtaining better electrical gas performance.
Voltage transformer comprises 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 sour jujube 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 make clamp hole be arranged in the vestibule of annular matrix, as long as also namely allow by folder electric power cable through annular matrix.
The present embodiment is when operating, 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, shortening can be out of shape because each back-moving spring is stressed, the chisel teeth of the radial traveller of each pressing plate in two cover wire clipping components is moved towards the side that groove depth in the groove of slope is more shallow, and then make pressing plate portion in two cover wire clipping components along the radially-inwardly slippage of core pipe, thus two cover wire clipping component synchronous clampings are made to be arranged in the electric power cable in clamp hole.
The present embodiment is by being arranged on the longitudinal center line place of high-voltage mutual inductor cable clamping, and its gravity centre distribution is comparatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration; In addition, the present embodiment is positioned each paw by the slope groove with wedge shape anticreep tooth, can play the technique effect preventing from falling back, and compares with by traditional bolt assembly clamping electric power cable, particularly excellent in anti-loosening effect, effectively ensure the reliability of long-term work.In addition, the present embodiment overlaps wire clipping component clamping electric power cable by employing two, is a set ofly out of order, and another set ofly still can ensure work, has the technique effect of dual fail-safe.
(embodiment 2)
The present embodiment is substantially identical with embodiment 1, and difference is: see shown in Fig. 6 and Fig. 7, and the voltage transformer 8 in the present embodiment also comprises 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 comprise wireless transmit/receive units and alarm buzzer, and the secondary voltage that intelligent control module is sensed annular matrix by wireless transmit/receive units or current signal send distance host to, to realize accurate 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 is substantially identical with embodiment 2, difference is: 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, 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 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 exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (1)
1. a high-voltage mutual inductor, is characterized in that: comprise a pressure ring, a core pipe, a voltage transformer and two cover wire clipping components; Pressure ring rotates and is arranged on core pipe periphery wall; Pressure ring comprises the sour jujube ring that internal perisporium is provided with multiple slopes groove; Multiple wedge shape anticreep tooth is provided with in the groove of each slope; Core tube wall is provided with multiple radially-directed hole; Paw assembly comprises multiple paw and provides the back-moving spring of reseting elasticity for paw; Each cover wire clipping component comprises along the equally distributed multiple paw assembly of core pipe circumference; Two cover wire clipping components are axially arranged side by side along core pipe; Multiple paw assemblies in each cover wire clipping component are used for clamping and form a clamp hole; Each paw comprises pressing plate portion and is arranged on the radial traveller on pressing plate portion outer wall; The outboard end of each radial traveller is provided with the chisel teeth with the wedge shape anticreep tooth adaptation in the groove of sour jujube ring slope; The pressing plate portion of each paw is arranged in core pipe tube chamber, the radial 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 of the chisel teeth apical grafting on each radial traveller in a corresponding slope groove; Voltage transformer comprises annular matrix; Clamp hole is arranged in the vestibule of annular matrix; Also comprise two axial back-up rings; The periphery wall of core pipe is provided with two annular grooves, and each axial back-up ring is arranged in a corresponding annular groove; The axial back-up ring of two side ends respectively with two of pressure ring slides adjacent; The internal perisporium of sour jujube ring and the internal perisporium of clamping connection ring coplanar, the periphery wall of sour jujube ring and the periphery wall of clamping connection ring coplanar; The periphery wall of pressure ring is provided with multiple binding groove axially running through whole pressure ring along core pipe; When sour jujube ring rotates, drive wedge shape anticreep tooth rotates, and by the radial traveller of each paw of top pressure, in synchronous driving two cover wire clipping components, each pressing plate portion moves towards core tube hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093585.5A CN105551722A (en) | 2016-01-15 | 2016-01-15 | High-voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093585.5A CN105551722A (en) | 2016-01-15 | 2016-01-15 | High-voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105551722A true CN105551722A (en) | 2016-05-04 |
Family
ID=55830852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610093585.5A Withdrawn CN105551722A (en) | 2016-01-15 | 2016-01-15 | High-voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105551722A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0958758A1 (en) * | 1998-05-20 | 1999-11-24 | Fickinger, Helga | Screw-less tube connector |
| 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 CN201610093585.5A patent/CN105551722A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0958758A1 (en) * | 1998-05-20 | 1999-11-24 | Fickinger, Helga | Screw-less tube connector |
| 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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| 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: 20160504 |