CN108717897A - A kind of Self-protecting mutual inductor - Google Patents
A kind of Self-protecting mutual inductor Download PDFInfo
- 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
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- China
- Prior art keywords
- self
- voltage transformer
- mutual inductor
- protecting
- groups
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Links
- 238000004804 winding Methods 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000005389 magnetism Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
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- 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
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature 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
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.
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 |
Family
ID=63914475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810880977.5A Active CN108717897B (en) | 2018-08-04 | 2018-08-04 | Self-protection type mutual inductor |
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CN (1) | CN108717897B (en) |
Citations (9)
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 |
-
2018
- 2018-08-04 CN CN201810880977.5A patent/CN108717897B/en active Active
Patent Citations (9)
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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CN108717897B (en) | 2023-11-17 |
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