CN105788811A - Intelligent power transformer - Google Patents
Intelligent power transformer Download PDFInfo
- Publication number
- CN105788811A CN105788811A CN201610098843.9A CN201610098843A CN105788811A CN 105788811 A CN105788811 A CN 105788811A CN 201610098843 A CN201610098843 A CN 201610098843A CN 105788811 A CN105788811 A CN 105788811A
- Authority
- CN
- China
- Prior art keywords
- paw
- pressure ring
- press
- core tube
- plate portion
- 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- Withdrawn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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses an intelligent power transformer, which comprises a compression ring, a core tube, a voltage transformer body and one set of press claw components, wherein three radial guide holes are formed in the core tube; the set of press claw components comprise three press claws; each press claw is provided with a press plate part, a guide slide block part and a drive plate part; the press plate parts are located in a tube cavity of the core tube; three press plate parts are clamped to form a wire clamping hole; the outer end of the guide slide block part of each press claw extends out of the tube wall of the core tube; the drive plate parts are located at the outer side of the tube wall of the core tube; each press claw slides along one corresponding radial guide hole in a reciprocating manner; the compression ring is rotationally arranged on the outer circumference wall of the core tube; the compression ring and three guide slide block parts in the press claw components are arranged adjacently; three spiral grooves are formed in one side end, adjacent to the guide slide block part of each press claw, of the compression ring; the drive plate part of each press claw is located in one corresponding spiral groove; the voltage transformer body comprises an annular base body; the wire clamping hole is located in a hole cavity of the annular base body; and the compression ring pushes the corresponding press claws to slide towards the center of the core tube when rotating. The intelligent power transformer has relatively good performance.
Description
Technical field
The invention belongs to high-tension electricity technical field, be specifically related to a kind of intelligent electric power transformer.
Background technology
Electric power 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 electric power 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 electric power 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 electric power 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 electric power 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 intelligent electric power transformer of better firmness.
The technical scheme realizing the object of the invention is: a kind of intelligent electric power transformer, including a pressure ring, a core pipe, a voltage transformer and a set of paw assembly；Core tube wall is provided with three radially-directed holes；Paw assembly includes three paws；Each paw is provided with pressing plate portion, guide runner portion and driver plate portion；Each pressing plate portion is arranged in core pipe tube chamber, and three pressing plate portion clampings in paw assembly form a clamp hole；Core tube wall is stretched out in the outer end in the guide runner portion of each paw, and each driver plate portion is positioned at outside core tube wall；Each paw reciprocatingly slides along a corresponding radially-directed hole；Pressure ring rotates and is arranged on the periphery wall of core pipe, and pressure ring and three guide runner portions in paw assembly are provided adjacent to；The side that pressure ring and each paw guide runner portion adjoin is provided with three helicla flutes；The driver plate portion of each paw is arranged in a corresponding helicla flute；Voltage transformer includes annular matrix, and clamp hole is arranged in annular matrix vestibule；Also include an axial back-up ring；The periphery wall of core pipe is provided with the gear platform of evagination and the annular groove of indent, and axial back-up ring is arranged in the annular groove of core pipe；The internal perisporium of pressure ring is the smooth inner wall adjacent with the slip of core pipe periphery wall；The periphery wall of pressure ring is provided with multiple binding groove；One side of pressure ring and axial back-up ring slide adjacent, and another side of pressure ring and the guide runner portion of each paw slide adjacent；Extruded the driver plate portion of a corresponding paw when pressure ring rotates by each helicla flute, and then promote corresponding paw to slide towards core tube hub.
The present invention has positive effect: the electric power 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) present invention has the anti-loosening effect of excellence, is effectively ensured the reliability of long-term work.(3) present invention is by being arranged on core tube hub place cable clamping, and its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the present invention；
Fig. 2 is a kind of perspective view after electric power mutual-inductor shown in Fig. 1 removes voltage transformer；
Fig. 3 be electric power mutual-inductor shown in Fig. 2 from another angle observe time a kind of perspective view；
Fig. 4 is a kind of front view of electric power mutual-inductor shown in Fig. 2；
Fig. 5 is that shown in Fig. 2, the one of electric power mutual-inductor partly cuts open structural representation；
Fig. 6 is a kind of explosive view of electric power mutual-inductor shown in Fig. 2；
Fig. 7 be electric power mutual-inductor shown in Fig. 2 from another angle observe time a kind of explosive view；
Fig. 8 is a kind of explosive view after electric power mutual-inductor shown in Fig. 2 removes pressure ring and back-up ring；
Fig. 9 be after electric power mutual-inductor shown in Fig. 2 removes pressure ring and back-up ring from another angle observe time a kind of explosive view.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of intelligent electric power transformer, sees shown in Fig. 1 to Fig. 9, including 1, core pipe 2 of a pressure ring, 3, voltage transformer 8 of a set of paw assembly and an axial back-up ring 4.
The periphery wall of core pipe 2 is provided with the gear platform 21 of evagination and the annular groove 22 of indent, and core tube wall has been uniformly distributed circumferentially three radially-directed holes 23；In the present embodiment, each radially-directed hole extends radially through core tube wall along core pipe.Axial back-up ring is arranged in the annular groove of core pipe.
Each radially-directed hole 23 includes the guiding slide opening 231 and the anticreep slide opening 232 that axially set gradually along core pipe；Guiding slide opening is arranged on the core pipe edge away from a side of axial back-up ring, and anticreep slide opening connects with guiding slide opening；The radial cross-sectional shape in each radially-directed hole is T-shaped；Each radially-directed hole 23 forms a breach being positioned at core tube edges place；In the present embodiment, each radially-directed hole extends radially through gear platform 21 along core pipe.
Paw assembly includes three paws 5；Each paw is provided with pressing plate portion 51, along the guide runner portion 52 that core pipe radially extends and the driver plate portion 53 that is arranged in guide runner portion；The driver plate portion of each paw is provided in the flange axially projecting along core pipe in each guide runner portion, and the outboard end of this flange is provided with chisel teeth 54.
Each pressing plate portion is arranged in core pipe tube chamber, and core tube wall is stretched out in the outer end in the guide runner portion of each paw, and each driver plate portion is positioned at outside core tube wall；Each guide runner portion 52 includes guide part 521 and anti-delinking part 522, and guide part is arranged in the guiding slide opening in a corresponding radially-directed hole, and anti-delinking part is arranged in the anticreep slide opening in a corresponding radially-directed hole；The radial cross-sectional shape of guide part and anti-delinking part is adaptive with radially-directed hole T-shaped.Each paw is under the spacing of radially-directed hole and guide effect, along core caliber to reciprocatingly sliding；The inwall in each pressing plate portion is provided with arcuate groove 55, and the arcuate groove of three paws encloses the formation one clamp hole 61 for clamping connection electric power cable.
Pressure ring 1 rotates and is arranged on the periphery wall of core pipe, and at gear platform with axially between back-up ring；The internal perisporium of pressure ring is the smooth inner wall adjacent with the slip of core pipe periphery wall；The periphery wall of pressure ring is provided with multiple binding groove 11；In the present embodiment, a side of pressure ring and axial back-up ring slide adjacent, and another side of pressure ring and the guide runner portion of each paw slide adjacent；The side that pressure ring and each paw guide runner portion adjoin is provided with three helicla flutes 12；In the present embodiment, each helicla flute includes the anticreep district 121 that connects with pressure ring vestibule 13 and the accommodating area 122 away from pressure ring vestibule；The diapire in anticreep district is provided with multiple wedge shape anticreep tooth 123, and the chisel teeth of each wedge shape anticreep tooth and paw is adaptive；Accommodating area is smooth chute；The present embodiment, when operation, adopts the binding groove that hook type spanner catches on pressure ring to twist pressure ring.
The driver plate portion of each paw is arranged in a corresponding helicla flute；Each helicla flute rotates along with pressure ring so that a corresponding driver plate portion is from being positioned at accommodating area to being positioned at anticreep district, namely this driver plate portion is produced squeezing action；Pressure ring synchronizes to drive three paws by three helicla flutes so that each pressing plate portion is close to each other towards core tube hub, thus clamping is arranged in the electric power cable in clamp hole.
When the chisel teeth in each pressing plate portion is clamped on the wedge shape anticreep tooth in corresponding anticreep district, wedge shape anticreep tooth prevents pressure ring from reversing, so that the present embodiment has good anti-loosening effect.
The present embodiment, in order to better clamp cable, is also provided with multiple puncture 62 in each arcuate groove；Specifically, respectively puncture along core pipe radially protruding.
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.
Voltage transformer includes annular matrix 81 and intelligent control module；In the present embodiment, on the sheathed periphery wall being fixed on core pipe of this voltage transformer.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.
In concrete practice, this voltage transformer could be secured on other position, as long as making clamp hole be arranged in annular matrix vestibule, is all feasible.
The present embodiment is by being arranged on cable clamping at the longitudinal center line place of electric power 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.
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. an intelligent electric power transformer, it is characterised in that: include a pressure ring, a core pipe, a voltage transformer and a set of paw assembly；Core tube wall is provided with three radially-directed holes；Paw assembly includes three paws；Each paw is provided with pressing plate portion, guide runner portion and driver plate portion；Each pressing plate portion is arranged in core pipe tube chamber, and three pressing plate portion clampings in paw assembly form a clamp hole；Core tube wall is stretched out in the outer end in the guide runner portion of each paw, and each driver plate portion is positioned at outside core tube wall；Each paw reciprocatingly slides along a corresponding radially-directed hole；Pressure ring rotates and is arranged on the periphery wall of core pipe, and pressure ring and three guide runner portions in paw assembly are provided adjacent to；The side that pressure ring and each paw guide runner portion adjoin is provided with three helicla flutes；The driver plate portion of each paw is arranged in a corresponding helicla flute；Voltage transformer includes annular matrix, and clamp hole is arranged in annular matrix vestibule；Also include an axial back-up ring；The periphery wall of core pipe is provided with the gear platform of evagination and the annular groove of indent, and axial back-up ring is arranged in the annular groove of core pipe；The internal perisporium of pressure ring is the smooth inner wall adjacent with the slip of core pipe periphery wall；The periphery wall of pressure ring is provided with multiple binding groove；One side of pressure ring and axial back-up ring slide adjacent, and another side of pressure ring and the guide runner portion of each paw slide adjacent；Extruded the driver plate portion of a corresponding paw when pressure ring rotates by each helicla flute, and then promote corresponding paw to slide towards core tube hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098843.9A CN105788811A (en) | 2016-01-15 | 2016-01-15 | Intelligent power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098843.9A CN105788811A (en) | 2016-01-15 | 2016-01-15 | Intelligent power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105788811A true CN105788811A (en) | 2016-07-20 |
Family
ID=56403557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098843.9A Withdrawn CN105788811A (en) | 2016-01-15 | 2016-01-15 | Intelligent power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105788811A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5869785A (en) * | 1997-06-10 | 1999-02-09 | Antec Corporation | Wire clamp with parallel gripping action |
| CN102354940A (en) * | 2011-10-29 | 2012-02-15 | 浙江左易电力设备有限公司 | Wedge-shape strain clamp of bunched cable |
| 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 |
-
2016
- 2016-01-15 CN CN201610098843.9A patent/CN105788811A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5869785A (en) * | 1997-06-10 | 1999-02-09 | Antec Corporation | Wire clamp with parallel gripping action |
| CN102354940A (en) * | 2011-10-29 | 2012-02-15 | 浙江左易电力设备有限公司 | Wedge-shape strain clamp of bunched cable |
| 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 |
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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 |
Application publication date: 20160720 |
|
| WW01 | Invention patent application withdrawn after publication |