CN105632694A - High-voltage mutual inductor for improving wire clamping strength - Google Patents
High-voltage mutual inductor for improving wire clamping strength Download PDFInfo
- Publication number
- CN105632694A CN105632694A CN201610096415.2A CN201610096415A CN105632694A CN 105632694 A CN105632694 A CN 105632694A CN 201610096415 A CN201610096415 A CN 201610096415A CN 105632694 A CN105632694 A CN 105632694A
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- CN
- China
- Prior art keywords
- press
- core pipe
- paw
- pipe portion
- mutual inductor
- 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.)
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Classifications
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- 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
Abstract
The invention discloses a high-voltage mutual inductor for improving wire clamping strength. The high-voltage mutual inductor comprises a base body, a press ring, a voltage transformer and a press claw assembly, wherein the base body comprises a basic pipe part, a core pipe part and connection plate part, the core pipe part is provided with a plurality of guide sliding holes, the press claw assembly comprises a plurality press claws, each press claw is provided with a press plate part and a guide sliding post part, a stress inclined surface is arranged at the top end of the guide sliding post part, the press plate part of each press claw is arranged in a pipe cavity of the core pipe part, the press plate parts of all press claws are clamped to form a wire clamping hole for clamping a power cable, the press ring comprises a conical crimping surface and an external thread region, the conical crimping surface is arranged on the inner peripheral wall of the press ring, the external thread region is arranged on the outer peripheral wall of the press ring, the conical crimping surface of the press ring is pressed on the stress inclined surface of each press claw, the external thread region of the press ring is adaptive to an internal thread region of the base pipe part, the voltage transformer comprises an annular sensing body, the wire clamping hole is arranged in a hole cavity of the annular sensing body, and the press plate part of each press claw is pushed and pressed to move towards the center of the core pipe part during the rotation of the press ring. The high-voltage mutual inductor has excellent electrical performance.
Description
Technical field
The invention belongs to high-tension electricity technical field, be specifically related to the high-voltage mutual inductor of a kind of improving clamping line strength.
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 high-voltage mutual inductor of the improving clamping line strength of better firmness.
The technical scheme realizing the object of the invention is: the high-voltage mutual inductor of a kind of improving clamping line strength, including a matrix, a pressure ring, a voltage transformer and a set of paw assembly; Matrix includes the base tube portion being provided with internal threaded regions, the core pipe portion being arranged in base tube tube chamber and for connecting fixing base tube portion and the web portion in core pipe portion; The tube wall in core pipe portion is provided with one group of pilot hole, and this group pilot hole includes multiple guiding slide opening; Each guiding slide opening extends radially through the tube wall in core pipe portion along core pipe portion; Paw assembly includes multiple paw; Each paw is provided with pressing plate portion and guiding traveller portion; Guiding traveller portion protrudes above formation from pressing plate portion, and the top in guiding traveller portion is provided with a stress inclined-plane; The pressing plate portion of each paw is arranged in the tube chamber in core pipe portion, and guiding traveller portion extend out to the outside in core pipe portion through a corresponding guiding slide opening, and is arranged in the tube chamber in base tube portion; The pressing plate portion clamping of each paw forms a clamp hole for clamping electric power cable; Pressure ring includes the taper electrolysis setting within it on perisporium and the external screw thread district being arranged on pressure ring periphery wall; The taper electrolysis of pressure ring is crimped on the stress inclined-plane of each paw, and the external screw thread district of pressure ring and the internal threaded regions in base tube portion are adaptive; Voltage transformer includes toroidal inductive body; Clamp hole is arranged in the vestibule of toroidal inductive body; Pressure ring along preset direction rotate time, pushed the stress inclined-plane of each paw by taper electrolysis so that the pressing plate portion of each paw moves towards the center in core pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
In such scheme, voltage transformer is fixedly installed on the tube wall in core pipe portion.
In such scheme, voltage transformer also includes intelligent control module; Intelligent control module can include wireless transmit/receive units, and secondary voltage or current signal that intelligent control module is sensed annular matrix by wireless transmit/receive units send distance host to.
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) pressure ring and base tube portion connect threadably, and make it clamp electric power cable by the taper electrolysis each paw of crimping, and its operation is comparatively laborsaving, and has good anti-loosening effect; (3) by cable clamping is arranged on core tube hub place so that overall gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.
Accompanying drawing explanation
The one that Fig. 1 is the present invention partly cuts open structural representation;
Fig. 2 is a kind of perspective view of high-voltage mutual inductor shown in Fig. 1;
Fig. 3 be high-voltage mutual inductor shown in Fig. 1 from another angle observe time a kind of perspective view;
Fig. 4 is that in high-voltage mutual inductor shown in Fig. 1, the one of matrix partly cuts open structural representation;
Fig. 5 is a kind of explosive view of high-voltage mutual inductor shown in Fig. 1;
Fig. 6 is a kind of explosive view after high-voltage mutual inductor shown in Fig. 1 removes pressure ring.
Detailed description of the invention
(embodiment 1)
The present embodiment is the high-voltage mutual inductor of a kind of improving clamping line strength, sees shown in Fig. 1 to Fig. 6, including a matrix 2, voltage transformer 8 of 1, pressure ring and a set of paw assembly 3.
Matrix 1 includes the base tube portion 11 being provided with internal threaded regions 111, the core pipe portion 12 being arranged in base tube tube chamber and for connecting fixing base tube portion and the web portion 13 in core pipe portion; Base tube portion and core pipe portion are arranged concentrically, and web portion is in the annular slab between base tube portion and core pipe portion, and in the present embodiment, web portion is positioned at the end margin place, the same side in base tube portion and core pipe portion; The planform of web portion has only to meet and is fixedly connected with in base tube portion and core pipe portion.
Base tube portion in the present embodiment, core pipe portion and web portion are integral pieces, may be used without the form of split part in concrete practice.
The tube wall in core pipe portion is provided with one group of pilot hole, and this group pilot hole includes four guiding slide openings 121, and these four guiding slide openings are evenly distributed on the tube wall in core pipe portion along the circumference in core pipe portion; Each guiding slide opening extends radially through the tube wall in core pipe portion along core pipe portion, and each shape leading slide opening is I shape. In concrete practice, the shape of guiding slide opening may be used without other shape, for instance circular, square, rhombus, is all feasible.
Paw assembly 3 includes four paws 31;
Each paw is provided with pressing plate portion 311 and guiding traveller portion 312; Guiding traveller portion protrudes from a side in pressing plate portion and is formed, and guiding traveller portion is arranged in a corresponding guiding slide opening, and the top in guiding traveller portion is provided with a stress inclined-plane 313; The one end away from guiding traveller portion in pressing plate portion is as the inwall in pressing plate portion, and the inwall in pressing plate portion is provided with arcuate groove 314. The shape in each traveller portion of leading and the shape adaptation of guiding slide opening.
The pressing plate portion of each paw is arranged in the tube chamber in core pipe portion, and guiding traveller portion extend out to the outside in core pipe portion through a corresponding guiding slide opening, and is arranged in the tube chamber in base tube portion.
In the present embodiment, the arcuate groove clamping in four pressing plate portions forms a clamp hole 4 for clamping electric power cable.
Pressure ring 2 includes the taper electrolysis 21 setting within it on perisporium and the external screw thread district 22 being arranged on pressure ring periphery wall; The taper electrolysis of pressure ring is crimped on the stress inclined-plane of each paw, and the external screw thread district of pressure ring and the internal threaded regions in base tube portion are adaptive.
In the present embodiment, pressure ring rotates and is arranged on the periphery wall in core pipe portion, and the inwall of pressure ring is provided with the concentric stroking junction adjacent with the slip of core pipe portion periphery wall; But in concrete practice, the internal perisporium of pressure ring can and the periphery wall in core pipe portion between reserve gap, be also feasible.
The present embodiment is equipped with multiple binding groove 5 on the periphery wall of pressure ring and the periphery wall in base tube portion, it is twisted and hook spanner can be adopted to operate, certainly may be used without other fastening means, hexagonal shape fastener head is such as set on the periphery wall in the periphery wall of pressure ring and base tube portion, is also feasible.
Pressure ring along preset direction rotate time, pushed the stress inclined-plane of each paw by taper electrolysis so that the pressing plate portion of each paw moves towards the center in core pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
In the present embodiment, in paw assembly, the quantity of paw is identical with the quantity of the slide opening that leads in each group of pilot hole, can select between two to five.
Voltage transformer includes toroidal inductive body 81 and intelligent control module; In the present embodiment, web portion is provided with annular groove 131 away from a side of pressure ring, and the toroidal inductive body of voltage transformer and intelligent control module are fixed in annular groove. In concrete practice, voltage transformer also can be fixedly installed on the tube wall in core pipe portion, as long as making clamp hole be arranged in the vestibule of toroidal inductive body, namely has only to so that the vestibule of cable traverse toroidal inductive body.
Intelligent control module can include wireless transmit/receive units, 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.
The present embodiment, in order to connect electricity from insulating power cable or promote chuck strength, is also provided with multiple puncture 6 in each arcuate groove; Specifically, the radially protruding along core pipe portion is respectively punctured. 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, be such as 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; 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.
The present embodiment has following Advantageous Effects: (1) pressure ring and base tube portion connect threadably, and makes it clamp electric power cable by the taper electrolysis each paw of crimping, and its operation is comparatively laborsaving, and has good anti-loosening effect; (2) by cable clamping is arranged on center, core pipe portion so that overall gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.
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 (3)
1. the high-voltage mutual inductor of an improving clamping line strength, it is characterised in that: include a matrix, a pressure ring, a voltage transformer and a set of paw assembly; Matrix includes the base tube portion being provided with internal threaded regions, the core pipe portion being arranged in base tube tube chamber and for connecting fixing base tube portion and the web portion in core pipe portion; The tube wall in core pipe portion is provided with one group of pilot hole, and this group pilot hole includes multiple guiding slide opening; Each guiding slide opening extends radially through the tube wall in core pipe portion along core pipe portion; Paw assembly includes multiple paw; Each paw is provided with pressing plate portion and guiding traveller portion; Guiding traveller portion protrudes above formation from pressing plate portion, and the top in guiding traveller portion is provided with a stress inclined-plane; The pressing plate portion of each paw is arranged in the tube chamber in core pipe portion, and guiding traveller portion extend out to the outside in core pipe portion through a corresponding guiding slide opening, and is arranged in the tube chamber in base tube portion; The pressing plate portion clamping of each paw forms a clamp hole for clamping electric power cable; Pressure ring includes the taper electrolysis setting within it on perisporium and the external screw thread district being arranged on pressure ring periphery wall; The taper electrolysis of pressure ring is crimped on the stress inclined-plane of each paw, and the external screw thread district of pressure ring and the internal threaded regions in base tube portion are adaptive; Voltage transformer includes toroidal inductive body; Clamp hole is arranged in the vestibule of toroidal inductive body; Pressure ring along preset direction rotate time, pushed the stress inclined-plane of each paw by taper electrolysis so that the pressing plate portion of each paw moves towards the center in core pipe portion, thus clamping is arranged in the electric power cable in clamp hole.
2. the high-voltage mutual inductor of improving clamping line strength according to claim 1, it is characterised in that: voltage transformer is fixedly installed on the tube wall in core pipe portion.
3. the high-voltage mutual inductor of improving clamping line strength according to claim 1, it is characterised in that: voltage transformer also includes intelligent control module; Intelligent control module can include wireless transmit/receive units, and secondary voltage or current signal that intelligent control module is sensed annular matrix by wireless transmit/receive units send distance host to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096415.2A CN105632694A (en) | 2016-01-15 | 2016-01-15 | High-voltage mutual inductor for improving wire clamping strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096415.2A CN105632694A (en) | 2016-01-15 | 2016-01-15 | High-voltage mutual inductor for improving wire clamping strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105632694A true CN105632694A (en) | 2016-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610096415.2A Withdrawn CN105632694A (en) | 2016-01-15 | 2016-01-15 | High-voltage mutual inductor for improving wire clamping strength |
Country Status (1)
| Country | Link |
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| CN (1) | CN105632694A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2712063A1 (en) * | 1977-03-15 | 1978-09-21 | Siemens Ag | INDUCTIVE, GAS- OR LIQUID-ISOLATED VOLTAGE CONVERTER |
| CN202151702U (en) * | 2011-07-05 | 2012-02-29 | 湖北三江航天险峰电子信息有限公司 | Tool for centring and clamping large-scale rotational part |
| CN102510128A (en) * | 2011-10-27 | 2012-06-20 | 王成楷 | Intelligent electric leakage remote monitoring protector of low-voltage power grid |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
| CN204724882U (en) * | 2015-06-01 | 2015-10-28 | 冯炯培 | A kind of three-jaw clamping device |
-
2016
- 2016-01-15 CN CN201610096415.2A patent/CN105632694A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2712063A1 (en) * | 1977-03-15 | 1978-09-21 | Siemens Ag | INDUCTIVE, GAS- OR LIQUID-ISOLATED VOLTAGE CONVERTER |
| CN202151702U (en) * | 2011-07-05 | 2012-02-29 | 湖北三江航天险峰电子信息有限公司 | Tool for centring and clamping large-scale rotational part |
| CN102510128A (en) * | 2011-10-27 | 2012-06-20 | 王成楷 | Intelligent electric leakage remote monitoring protector of low-voltage power grid |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
| CN204724882U (en) * | 2015-06-01 | 2015-10-28 | 冯炯培 | A kind of three-jaw clamping device |
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Legal Events
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| 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: 20160601 |