CN106706989A - Intelligent intermediate-and-high-voltage mutual inductor - Google Patents

Intelligent intermediate-and-high-voltage mutual inductor Download PDF

Info

Publication number
CN106706989A
CN106706989A CN201611085163.XA CN201611085163A CN106706989A CN 106706989 A CN106706989 A CN 106706989A CN 201611085163 A CN201611085163 A CN 201611085163A CN 106706989 A CN106706989 A CN 106706989A
Authority
CN
China
Prior art keywords
paw
core pipe
voltage transformer
plate portion
wall
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Withdrawn
Application number
CN201611085163.XA
Other languages
Chinese (zh)
Inventor
林海涛
罗永利
曹春诚
姬磊
段炼
马超群
王超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201611085163.XA priority Critical patent/CN106706989A/en
Publication of CN106706989A publication Critical patent/CN106706989A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers

Abstract

The invention discloses an intelligent intermediate-and-high-voltage mutual inductor comprising a compression ring, a core tube, a voltage transformer, a pressing claw assembly, and an annular ring body. Radial guide holes are formed in the wall of the core tube. The pressing claw assembly includes pressing claws provided with pressing plate parts, guiding sliding block parts, and transmission plate parts; all pressing plate parts are arranged in the cavity of the core tube; and the three pressing plate parts in the pressing claw assemblies form a wire clamp hole in a clamping manner. The voltage transformer includes an annular base body and an annular ring body sleeving the annular base body; the annular base body is fixed at the peripheral wall of the core tube in a sleeving manner; an intelligent central control module, a temperature sensor for temperature detection of the outer wall of the voltage transformer, and a wireless sensing unit for sending information to a remote host; and a secondary wiring terminal of the voltage transformer, the temperature sensor, and the wireless sensing unit are connected with the intelligent central control unit. The intelligent intermediate-and-high-voltage mutual inductor has a high intelligent degree and is capable of providing real-time monitoring information for the intermediate-and-high-voltage mutual inductor for a remote host.

Description

A kind of intelligent mesohigh transformer
Technical field
The invention belongs to mesohigh technical field of electric power, and in particular to a kind of intelligent mesohigh transformer.
Background technology
Intelligent mesohigh transformer apply to big voltage conversion in 1kv to 220kv power systems into small voltage or High current is converted into low current in order to the transformer that measures, protect, use.
Existing intelligent mesohigh transformer is mostly induction transformer, and operation principle is identical with transformer, substantially Structure is also iron core and former and deputy winding.The Main Function of intelligent mesohigh transformer is as follows:High voltage is converted into low electricity Pressure, high current is converted into low current, hereafter again for measurement, control, protection.Measuring instrumentss from journey so can be not only increased, Be easy to instrument standard, reduce control, the voltage and current of protection equipment, and make instrument and equipment or mesohigh circuit every Open, it is ensured that the safety of instrument, equipment and staff.
The mounting means of existing intelligent mesohigh transformer is to install to fix or use bonding mode using flange mostly It is fixed, its installation site generally require it is reserved so that the application of intelligent mesohigh transformer is subject to more limitation.
The content of the invention
Positioning is easily installed it is an object of the invention to provide one kind, can have with preferable firmness and to itself real-time The intelligent mesohigh transformer of temperature-monitoring function.
Realizing the technical scheme of the object of the invention is:A kind of intelligent mesohigh transformer, including pressure ring, a core Pipe, a voltage transformer and a set of paw component;Core pipe tube wall is provided with three radially-directed holes;Paw component includes three Paw;Each paw is provided with pressing plate portion, guide runner portion and transmission plate portion;Each pressing plate portion is located in core pipe tube chamber, paw component In three pressing plate portion clampings form a clamp hole;Core pipe tube wall is stretched out in the outer end in the guide runner portion of each paw, each transmission Plate portion is located at core pipe tube wall outside;Each paw reciprocatingly slides along a corresponding radially-directed hole;Pressure ring is rotatably arranged on core pipe On periphery wall, three guide runner portions in pressure ring and paw component are provided adjacent to;Pressure ring and each paw guide runner portion abut A side be provided with three helicla flutes;The driver plate portion of each paw is located in a corresponding helicla flute;Pressure ring passes through when rotating Each helicla flute extrudes the transmission plate portion of a corresponding paw, and then promotes corresponding paw towards core pipe central slide;Voltage is mutual Sensor includes annular matrix and the annular body being set on annular matrix;Annular matrix is arranged the periphery wall for being fixed on core pipe On;Be provided with annular body in intelligence control module, the temperature sensor for carrying out temperature detection to voltage transformer outer wall and Wireless sensing unit for sending from information to distance host;The secondary connection end of voltage transformer, temperature sensor and wireless Sensing unit is connected with control module in intelligence.
In such scheme, the sensing unit of temperature sensor is close to the outer wall setting of voltage transformer.
The present invention has positive effect:(1)Intelligent mesohigh transformer of the invention due to carrying press claw type retaining mechanism, Installation position need not be reserved, it is easy to install.(2)The present invention has excellent anti-loosening effect, and the steady of long-term work is effectively ensured Determine reliability.(3)The present invention is arranged on core pipe center by the way that cable is clamped, and its gravity centre distribution is relatively reasonable, when used for height When on empty overhead power line, be conducive to mitigating and vibrate.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the invention;
Fig. 2 is a kind of dimensional structure diagram that intelligent mesohigh transformer shown in Fig. 1 removes after voltage transformer;
Fig. 3 be intelligent mesohigh transformer shown in Fig. 2 from another angle observe when a kind of dimensional structure diagram;
Fig. 4 is a kind of front view of intelligent mesohigh transformer shown in Fig. 2;
Fig. 5 is a kind of half-sectional structural representation of intelligent mesohigh transformer shown in Fig. 2;
Fig. 6 is a kind of explosive view of intelligent mesohigh transformer shown in Fig. 2;
Fig. 7 be intelligent mesohigh transformer shown in Fig. 2 from another angle observe when a kind of explosive view;
Fig. 8 is a kind of explosive view that intelligent mesohigh transformer shown in Fig. 2 removes after pressure ring and back-up ring;
A kind of blast when Fig. 9 from another angle after intelligent mesohigh transformer removal pressure ring shown in Fig. 2 and back-up ring to observe Figure.
Specific embodiment
(Embodiment 1)
The present embodiment is a kind of intelligent mesohigh transformer, as 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 component 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, circumferentially equal on core pipe tube wall It is even that three radially-directed holes 23 are distributed with;In the present embodiment, each radially-directed hole extends radially through core pipe tube wall along core pipe.Axially keep off Circle is arranged in the annular groove of core pipe.
Each radially-directed hole 23 includes the guiding slide opening 231 and anticreep slide opening 232 that are axially set gradually along core pipe;It is oriented to and slides Hole is arranged on edge of the core pipe away from a side of axial back-up ring, and anticreep slide opening is connected with slide opening is oriented to;Each radially-directed hole Radial cross-sectional shape be T-shaped;Each radially-directed hole 23 forms a breach for being located at core pipe edge;In the present embodiment, respectively Radially-directed hole extends radially through gear platform 21 along core pipe.
Paw component includes three paws 5;Each paw is provided with pressing plate portion 51, the guide runner portion 52 radially extended along core pipe And it is arranged on the transmission plate portion 53 in guide runner portion;The transmission plate portion of each paw is provided in the edge in each guide runner portion The axially projecting protrusive board of core pipe, the outboard end of the protrusive board is provided with chisel teeth 54.
Each pressing plate portion is located in core pipe tube chamber, and core pipe tube wall, each driver plate are stretched out in the outer end in the guide runner portion of each paw Portion is located at core pipe tube wall outside;Each guide runner portion 52 includes guide part 521 and anti-delinking part 522, and guide part is located at corresponding one In the guiding slide opening in radially-directed hole, anti-delinking part is located in the anticreep slide opening in a corresponding radially-directed hole;Guide part and anticreep The radial cross-sectional shape in portion is T-shaped with what radially-directed hole was adapted to.Spacing and guide effect of each paw in radially-directed hole Under, radially reciprocatingly slided along core pipe;The inwall in each pressing plate portion is provided with deep-slotted chip breaker 55, and the deep-slotted chip breaker of three paws encloses to form one For the clamp hole 61 of clamping connection electric power cable.
Pressure ring 1 is rotatably arranged on the periphery wall of core pipe, and between gear platform and axial back-up ring;The internal perisporium of pressure ring is Adjacent smooth inner wall is slided with core pipe periphery wall;The periphery wall of pressure ring is provided with multiple binding grooves 11;In the present embodiment, pressure ring A side and axial back-up ring slide adjoining, adjoining is slided in another side of pressure ring and the guide runner portion of each paw;Pressure ring and One side of each paw guide runner portion adjoining is provided with three helicla flutes 12;In the present embodiment, each helicla flute includes and pressure ring The anticreep area 121 and the accommodating area 122 away from pressure ring vestibule of the connection of vestibule 13;It is anti-that the bottom wall in anticreep area is provided with multiple wedge shapes The chisel teeth adaptation of de- tooth 123, each wedge-shaped anticreep tooth and paw;Accommodating area is smooth chute;The present embodiment is adopted in operation The binding groove on pressure ring is caught on hook type spanner twist pressure ring.
The driver plate portion of each paw is located in a corresponding helicla flute;Each helicla flute is rotated with pressure ring so that corresponding one Individual transmission plate portion to positioned at anticreep area, namely produces squeezing action from positioned at accommodating area to the transmission plate portion;Pressure ring passes through three Helicla flute synchronously drives three paws so that each pressing plate portion is close to each other towards core pipe center, so as to clamp in clamp hole Electric power cable.
When the chisel teeth in each pressing plate portion is clamped on the wedge-shaped anticreep tooth in corresponding anticreep area, wedge-shaped anticreep tooth prevents pressure Ring is reversed, so that the present embodiment has preferable anti-loosening effect.
The present embodiment is also provided with multiple punctures 62 to preferably clamp cable in each deep-slotted chip breaker;Specifically, respectively wear Thorn is along core pipe radially protruding.
In the present embodiment, each paw is the integral piece being made up of casting forming, and each puncture is made in casting forming; In concrete practice, puncture can be also made of other manner;Multiple installation draw-in grooves are for example provided with each deep-slotted chip breaker, then logical The puncture piece that overshoot cuts into is inlaid in corresponding installation draw-in groove;Puncturing piece includes installation portion and thorn blade, and installation portion is embedding In draw-in groove is installed, thorn blade then exposes installation draw-in groove and forms puncture.The benefit of this structure be puncture piece can using and The different material of paw is made.
Voltage transformer includes producing the annular matrix 81 of secondary voltage for sensing and is set on annular matrix 81 Annular body 82;Annular matrix 81 is arranged on the periphery wall for being fixed on core pipe;It is provided with annular body in intelligence and controls module, is used for The temperature sensor and the wireless sensing list for sending information to distance host of temperature detection are carried out to voltage transformer outer wall Unit;The secondary connection end of voltage transformer, temperature sensor are connected with wireless sensing unit with control module in intelligence.
The outer wall that the sensing unit of temperature sensor is close to voltage transformer is set.
Annular matrix realizes the monitor in real time to circuit in itself while induced voltage, meanwhile, annular matrix is produced Secondary induction voltage can be additionally used in for control module and its accessory circuit provide electric energy in intelligence;Because voltage transformer is an appearance The equipment easily generated heat, and often understand causing trouble or damage because temperature is too high, so carry out monitoring temperature to it being a need for , real-time monitoring information is sent by distance host, it can timely be repaired or is changed.
The present embodiment is arranged at the longitudinal center line of intelligent mesohigh transformer by the way that cable is clamped, its center of gravity point Cloth is relatively reasonable, when on the overhead power line of high-altitude, is conducive to mitigating and vibrates;In addition, the present embodiment is by with wedge The slope groove of shape anticreep tooth is positioned to each paw, can play the technique effect for preventing falling back, and by traditional bolt Component clamps electric power cable and compares, particularly excellent in anti-loosening effect, and the reliability of long-term work is effectively ensured.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.And these Belong to obvious change that connotation of the invention extends out or variation still falls within protection scope of the present invention.

Claims (2)

1. a kind of intelligent mesohigh transformer, including pressure ring, core pipe, a voltage transformer and an a set of paw group Part;Core pipe tube wall is provided with three radially-directed holes;Paw component includes three paws;Each paw is provided with pressing plate portion, is oriented to and slides Block portion and transmission plate portion;Each pressing plate portion is located in core pipe tube chamber, and three pressing plate portion clampings in paw component form a folder String holes;It is characterized in that:Core pipe tube wall is stretched out in the outer end in the guide runner portion of each paw, and each driver plate portion is located at outside core pipe tube wall Side;Each paw reciprocatingly slides along a corresponding radially-directed hole;Pressure ring is rotatably arranged on the periphery wall of core pipe, pressure ring and paw Three guide runner portions in component are provided adjacent to;Pressure ring and a side of each paw guide runner portion adjoining are provided with three spiral shells Spin slot;The driver plate portion of each paw is located in a corresponding helicla flute;Extrude corresponding one by each helicla flute when pressure ring is rotated The transmission plate portion of paw, and then promote corresponding paw towards core pipe central slide;Voltage transformer includes annular matrix and set It is located at the annular body on annular matrix;Annular matrix is arranged on the periphery wall for being fixed on core pipe;Intelligence is provided with annular body It is middle to control module, the temperature sensor for carrying out temperature detection to voltage transformer outer wall and for sending information to distance host Wireless sensing unit;The secondary connection end of voltage transformer, temperature sensor and wireless sensing unit and in intelligence control mould Block is connected.
2. intelligent mesohigh transformer according to claim 1, it is characterised in that:The sensing unit of temperature sensor is tight The outer wall for being attached to voltage transformer is set.
CN201611085163.XA 2016-11-30 2016-11-30 Intelligent intermediate-and-high-voltage mutual inductor Withdrawn CN106706989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611085163.XA CN106706989A (en) 2016-11-30 2016-11-30 Intelligent intermediate-and-high-voltage mutual inductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611085163.XA CN106706989A (en) 2016-11-30 2016-11-30 Intelligent intermediate-and-high-voltage mutual inductor

Publications (1)

Publication Number Publication Date
CN106706989A true CN106706989A (en) 2017-05-24

Family

ID=58934270

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611085163.XA Withdrawn CN106706989A (en) 2016-11-30 2016-11-30 Intelligent intermediate-and-high-voltage mutual inductor

Country Status (1)

Country Link
CN (1) CN106706989A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226973A (en) * 2011-03-11 2011-10-26 厦门骐航实业有限公司 Electronic voltage transformer with temperature-measuring device
CN105259397A (en) * 2015-11-16 2016-01-20 王爱玲 Electronic voltage transformer
CN105609971A (en) * 2016-01-15 2016-05-25 胡妍 Electric power fitting capable of preventing cable from loosening
CN205582705U (en) * 2016-04-19 2016-09-14 陕钢集团汉中钢铁有限责任公司 Voltage transformer device of temperature measurement on line

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226973A (en) * 2011-03-11 2011-10-26 厦门骐航实业有限公司 Electronic voltage transformer with temperature-measuring device
CN105259397A (en) * 2015-11-16 2016-01-20 王爱玲 Electronic voltage transformer
CN105609971A (en) * 2016-01-15 2016-05-25 胡妍 Electric power fitting capable of preventing cable from loosening
CN205582705U (en) * 2016-04-19 2016-09-14 陕钢集团汉中钢铁有限责任公司 Voltage transformer device of temperature measurement on line

Similar Documents

Publication Publication Date Title
CN106706989A (en) Intelligent intermediate-and-high-voltage mutual inductor
CN107045920A (en) A kind of intelligent mesohigh transformer
CN105810398A (en) Intelligent high-voltage transformer having excellent loosing prevention performance
CN205992471U (en) There is the zero sequence current mutual inductor of preferably anti-loosening performance
CN105609255B (en) Intelligent electric power mutual inductor
CN206075995U (en) Intelligent high-pressure electric power mutual-inductor
CN105609243B (en) A kind of Intelligent high-pressure mutual inductor
CN105788811A (en) Intelligent power transformer
CN206476602U (en) It is conveniently replaceable the cable drum of cable
CN105869836A (en) Intelligent type high voltage transformer
CN206516447U (en) A kind of Multifunctional high-voltage transformer
CN105742017B (en) A kind of intelligent mesohigh electric power mutual-inductor
CN105826002B (en) A kind of Intelligent high-pressure mutual inductor
CN105575598A (en) Electric transformer
CN105575601A (en) High-voltage electric transformer for improving wire clamping strength
CN105609244A (en) Intelligent high-voltage transformer capable of promoting wire clamping strength
CN105989996A (en) Three-phase electric zero sequence current transformer for preventing cable from loosening
CN105551747A (en) Middle-high voltage power transformer
CN106654627A (en) Power stringing armor clamp
CN105609249A (en) Easy-to-install and position high-voltage transformer
CN105575613A (en) Intelligent high-voltage transformer
CN105575610A (en) High-voltage mutual inductor
CN105845326A (en) High-voltage power transformer
CN105575611A (en) High-voltage mutual inductor
CN105590727A (en) Intelligent medium-and-high-voltage electric transformer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
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: 20170524