CN108717897A - A kind of Self-protecting mutual inductor - Google Patents

A kind of Self-protecting mutual inductor Download PDF

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Publication number
CN108717897A
CN108717897A CN201810880977.5A CN201810880977A CN108717897A CN 108717897 A CN108717897 A CN 108717897A CN 201810880977 A CN201810880977 A CN 201810880977A CN 108717897 A CN108717897 A CN 108717897A
Authority
CN
China
Prior art keywords
self
voltage transformer
mutual inductor
protecting
groups
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.)
Granted
Application number
CN201810880977.5A
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Chinese (zh)
Other versions
CN108717897B (en
Inventor
王洁然
吴义汉
陶成法
刘民国
盛睿
吴书能
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.)
ANHUI HUANENG GROUP ELECTRIC APPLIANCE Co Ltd
Original Assignee
ANHUI HUANENG GROUP ELECTRIC APPLIANCE Co Ltd
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Priority to CN201810880977.5A priority Critical patent/CN108717897B/en
Publication of CN108717897A publication Critical patent/CN108717897A/en
Application granted granted Critical
Publication of CN108717897B publication Critical patent/CN108717897B/en
Active legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • H01F27/324Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • H01F2027/406Temperature sensor or protection

Abstract

The present invention relates to mutual inductor fields, specifically a kind of Self-protecting mutual inductor, including voltage transformer, two groups of junction poles being arranged on voltage transformer, two groups of windings being respectively cooperating with two groups of junction poles, the sensing device for experiencing voltage transformer internal temperature and being acted to controlling next device is provided in the voltage transformer, it is provided with and is used for junction pole cooperation so that the self-protecting device that junction pole, which rises, prevents short-circuit class failure from influencing junction pole in the voltage transformer, the separate of junction pole and winding after failure occurs is realized using mutually matched gear ring and gear, reduce the transmission of failure, present self-shield, reduce failure rate;Using electromagnet and connecting plate cooperation realize a small range promotion, convenient for it is subsequent rotation with it is separate.

Description

A kind of Self-protecting mutual inductor
Technical field
The present invention relates to mutual inductor field, specifically a kind of Self-protecting mutual inductor.
Background technology
National grid and upgrade of rural power grids, city electric energy meter update and external electrotechnical instrument and meter production capacity to Under the influence of the active factors such as China's transfer, Chinese mutual inductor market speedup compared with world market is very fast.2012, China was mutual Sensor market scale is about 2.18 hundred million pieces, and as the important component of electric power power transmission and transforming equipment, the electric power mutual-inductor in China is used Amount is increased with 8% speed every year, but since mutual inductor often breaks down, while glitch transmission is regretted causing entirely mutually Sensor cannot all be used, so in time so that internal insulation is very important after failure generation.
Invention content
To solve the above-mentioned problems, the present invention proposes a kind of Self-protecting mutual inductor.
A kind of Self-protecting mutual inductor, including voltage transformer, be arranged on voltage transformer two groups of junction poles, with two Two groups of windings that junction pole is respectively cooperating with are organized, are provided in the voltage transformer for experiencing voltage transformer internal temperature And the sensing device acted to controlling next device, it is provided in the voltage transformer and coordinates for making with junction pole It obtains junction pole and rises the self-protecting device for preventing short-circuit class failure from influencing junction pole.
Two groups of junction poles coordinate with two groups of windings respectively, and the outside of described two groups of junction poles is both provided with insulation Full skirt.
Capacitance tube is provided in the junction pole, the upper end of the junction pole is provided with connecting terminal.
The both ends of two groups of windings are both provided with the collets for insulation, on the end face of the voltage transformer It is provided with the baffle of cross section L-type, is provided on the baffle convenient for portable through-hole.
The sensing device includes controller, the power supply coordinated with controller, the temperature-sensitive being arranged on voltage transformer Resistance temperature sensor is arranged on voltage transformer for making after thermistor temperature sensor is detected and broken down The lifting device that junction pole is promoted.
Connecting rod that the lifting device includes connecting plate, is arranged on voltage transformer and connect with connecting plate is set The electromagnet on connection boom end, the connecting plate being arranged on junction pole are set, the electromagnet coordinates with power supply.
The connecting plate is permanent magnet.
The self-protecting device includes the gear ring being arranged in connecting plate, coordinates with gear ring meshed gears, with gear Gear motor.
The track coordinated with gear motor is provided on the end face of the voltage transformer.
The beneficial effects of the invention are as follows:Junction pole and winding after being occurred using mutually matched gear ring and gear realization failure It is separate, reduce the transmission of failure, present self-shield reduces failure rate;A small range is realized using electromagnet and connecting plate cooperation Promotion, convenient for it is subsequent rotation with it is separate.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the main structure diagram of the present invention;
Fig. 2 is the overlooking structure diagram of the present invention;
Fig. 3 is the I partial enlarged views of Fig. 1 of the present invention.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, below it is right The present invention is expanded on further.
As shown in Figure 1 to Figure 3, a kind of Self-protecting mutual inductor, including voltage transformer 8, setting are on voltage transformer 8 Two groups of junction poles 4, two groups of windings 11 being respectively cooperating with two groups of junction poles 4, be provided in the voltage transformer 8 and be used for The sensing device experienced 8 internal temperature of voltage transformer and acted to controlling next device, in the voltage transformer 8 It is provided with and is used for so that the self-protecting device that junction pole 4, which rises, prevents short-circuit class failure from influencing junction pole 4 with the cooperation of junction pole 4.
The sensing device is arranged in voltage transformer 8, for experiencing 8 internal temperature of voltage transformer and to control Next device is acted;The self-protecting device setting coordinates in voltage transformer 8 and with junction pole 4, for making The rising of junction pole 4 prevents short-circuit class failure from influencing junction pole 4.
Two groups of junction poles 4 coordinate with two groups of windings 11 respectively, and the outside of described two groups of junction poles 4 is both provided with Parachute skirt 1.
Separate, the reduction of junction pole 4 and winding 11 after failure generation is realized using mutually matched gear ring 16a and gear 15 The transmission of failure, present self-shield reduce failure rate.
Using electromagnet 17 and connecting plate 16 cooperation realize a small range promotion, convenient for it is subsequent rotation with it is separate.
First so that thermistor temperature sensor 7 is in running order, when thermistor temperature sensor 7 detects electricity After pressing mutual inductor 8 to break down, to reduce the transmission rate of failure, controller 9 issues action command to the next device.
Capacitance tube 2 is provided in the junction pole 4, the upper end of the junction pole 4 is provided with connecting terminal 3.
The both ends of two groups of windings 5 are both provided with the collets 19 for insulation, the end of the voltage transformer 8 It is provided with the baffle 5 that cross section is L-type on face, is provided with convenient for portable through-hole 5a on the baffle 5.
Portable handhold is realized using the through-hole 5a on baffle 5.
The sensing device includes controller 9, the power supply 10 coordinated with controller 9, is arranged on voltage transformer 8 Thermistor temperature sensor 7 is arranged on voltage transformer 8 for detecting generation event in thermistor temperature sensor 7 So that the lifting device that junction pole 4 is promoted after barrier.
Drive electromagnet 17 coordinates with power supply 10 so that electromagnet 17 coordinates with connecting plate 16 so that connecting plate 16 drives junction pole 4 It is promoted far from winding 11;Then driving gear motor 12 rotated with moving gear 15 so that junction pole 4 and winding 11 further away from, It realizes self-protection, reduces the transmission of failure.
The connection that the lifting device includes connecting plate 13, is arranged on voltage transformer 8 and is connect with connecting plate 13 Bar 14, the electromagnet 17 being arranged on 14 end of connecting rod, the connecting plate 16 being arranged on junction pole 4, the electromagnet 17 with Power supply 10 coordinates.
The connecting plate 16 is permanent magnet.
The self-protecting device include the gear ring 16a being arranged in connecting plate 16, with gear ring 16a meshed gears 15, with The gear motor 12 that gear 15 coordinates.
The track 18 coordinated with gear motor 12 is provided on the end face of the voltage transformer 8.
The application method of the present invention:First so that thermistor temperature sensor 7 is in running order, when thermistor temperature After degree sensor 7 detects that voltage transformer 8 breaks down, to reduce the transmission rate of failure, controller 9 sends out the next device Cloth action command;Drive electromagnet 17 coordinates with power supply 10 so that electromagnet 17 coordinates with connecting plate 16 so that connecting plate 16 drives wiring Bar 4 is promoted far from winding 11;Then driving gear motor 12 is rotated with moving gear 15 so that junction pole 4 is further remote with winding 11 From realization self-protection reduces the transmission of failure.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent Object defines.

Claims (9)

1. a kind of Self-protecting mutual inductor includes the two groups of junction poles of voltage transformer (8), setting on voltage transformer (8) (4), two groups of windings (11) being respectively cooperating with two groups of junction poles (4), it is characterised in that:It is set in the voltage transformer (8) It is equipped with the sensing device for experiencing voltage transformer (8) internal temperature and being acted to controlling next device, the electricity It is provided with and is used for junction pole (4) cooperation so that junction pole (4) rising prevents short-circuit class failure from influencing wiring in pressure mutual inductor (8) The self-protecting device of bar (4).
2. a kind of Self-protecting mutual inductor according to claim 1, it is characterised in that:Two groups of junction poles (4) point Do not coordinate with two groups of windings (11), the outside of described two groups of junction poles (4) is both provided with parachute skirt (1).
3. a kind of Self-protecting mutual inductor according to claim 1, it is characterised in that:Setting in the junction pole (4) There are capacitance tube (2), the upper end of the junction pole (4) to be provided with connecting terminal (3).
4. a kind of Self-protecting mutual inductor according to claim 1, it is characterised in that:The two of two groups of windings (5) End is both provided with the collets (19) for insulation, and it is L-type that cross section is provided on the end face of the voltage transformer (8) Baffle (5) is provided with convenient for portable through-hole (5a) on the baffle (5).
5. a kind of Self-protecting mutual inductor according to claim 1, it is characterised in that:The sensing device includes control Device (9), with the power supply (10) of controller (9) cooperation, be arranged thermistor temperature sensor (7) on voltage transformer (8), It is arranged on voltage transformer (8) for making junction pole (4) after thermistor temperature sensor (7) is detected and broken down The lifting device of promotion.
6. a kind of Self-protecting mutual inductor according to claim 5, it is characterised in that:The lifting device includes connection Plate (13), the connecting rod (14) for being arranged on voltage transformer (8) and being connect with connecting plate (13), setting are held in connecting rod (14) The connecting plate (16) of electromagnet (17), setting on junction pole (4) in portion, the electromagnet (17) coordinate with power supply (10).
7. a kind of Self-protecting mutual inductor according to claim 6, it is characterised in that:The connecting plate (16) is permanent magnetism Iron.
8. a kind of Self-protecting mutual inductor according to claim 6, it is characterised in that:The self-protecting device includes setting Set the gear ring (16a) in connecting plate (16), the gear motor with gear ring (16a) meshed gears (15), with gear (15) cooperation (12)。
9. a kind of Self-protecting mutual inductor according to claim 8, it is characterised in that:The voltage transformer (8) The track (18) with gear motor (12) cooperation is provided on end face.
CN201810880977.5A 2018-08-04 2018-08-04 Self-protection type mutual inductor Active CN108717897B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810880977.5A CN108717897B (en) 2018-08-04 2018-08-04 Self-protection type mutual inductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810880977.5A CN108717897B (en) 2018-08-04 2018-08-04 Self-protection type mutual inductor

Publications (2)

Publication Number Publication Date
CN108717897A true CN108717897A (en) 2018-10-30
CN108717897B CN108717897B (en) 2023-11-17

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002135920A (en) * 2000-10-20 2002-05-10 Toshiba Corp Voltage transformer
JP2006059823A (en) * 2005-11-07 2006-03-02 Hitachi Ltd Solenoid operation device
JP2013214634A (en) * 2012-04-03 2013-10-17 Toshiba Corp Gas-insulation instrument transformer
CN104361986A (en) * 2014-11-07 2015-02-18 中国西电电气股份有限公司 Electromagnetic type potential transformer
CN205406273U (en) * 2016-03-06 2016-07-27 国网山东省电力公司巨野县供电公司 Combined mutual inductor
CN108335890A (en) * 2017-12-20 2018-07-27 安徽华能集团电器有限公司 A kind of Portable voltage mutual inductor
CN108335891A (en) * 2017-12-20 2018-07-27 安徽华能集团电器有限公司 A kind of heat dissipation type voltage transformer
CN108335892A (en) * 2018-04-07 2018-07-27 华建电气有限公司 Voltage transformer overload protection arrangement
CN208903817U (en) * 2018-08-04 2019-05-24 安徽华能集团电器有限公司 A kind of Self-protecting mutual inductor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002135920A (en) * 2000-10-20 2002-05-10 Toshiba Corp Voltage transformer
JP2006059823A (en) * 2005-11-07 2006-03-02 Hitachi Ltd Solenoid operation device
JP2013214634A (en) * 2012-04-03 2013-10-17 Toshiba Corp Gas-insulation instrument transformer
CN104361986A (en) * 2014-11-07 2015-02-18 中国西电电气股份有限公司 Electromagnetic type potential transformer
CN205406273U (en) * 2016-03-06 2016-07-27 国网山东省电力公司巨野县供电公司 Combined mutual inductor
CN108335890A (en) * 2017-12-20 2018-07-27 安徽华能集团电器有限公司 A kind of Portable voltage mutual inductor
CN108335891A (en) * 2017-12-20 2018-07-27 安徽华能集团电器有限公司 A kind of heat dissipation type voltage transformer
CN108335892A (en) * 2018-04-07 2018-07-27 华建电气有限公司 Voltage transformer overload protection arrangement
CN208903817U (en) * 2018-08-04 2019-05-24 安徽华能集团电器有限公司 A kind of Self-protecting mutual inductor

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