CN107768123A - A kind of intelligent power-off protection electromagnetic potential transformer - Google Patents
A kind of intelligent power-off protection electromagnetic potential transformer Download PDFInfo
- Publication number
- CN107768123A CN107768123A CN201710994349.5A CN201710994349A CN107768123A CN 107768123 A CN107768123 A CN 107768123A CN 201710994349 A CN201710994349 A CN 201710994349A CN 107768123 A CN107768123 A CN 107768123A
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- China
- Prior art keywords
- winding
- relay
- containment vessel
- insulator
- intelligent power
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Classifications
-
- 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of intelligent power-off protection electromagnetic potential transformer, the structure of the present invention is simple, it is cheap, it is and practical, including the first insulator, the first insulator side is connected with the first containment vessel, the first containment vessel side is provided with the second insulator, the second insulator side is connected with the second containment vessel, the second insulation shell side is connected with shell, the shell side is provided with fire-wire interfaces, the fire-wire interfaces side is connected with winding case, the winding case side is provided with iron core, the side unshakable in one's determination is provided with zero line interface, the opposite side unshakable in one's determination is provided with base, the base side is provided with relay, the relay side is provided with Protector for electric appliance, the Protector for electric appliance side is provided with wiring hole, the relay surface is provided with indicator lamp；This kind of intelligent power-off protection electromagnetic potential transformer improves the security of transformer by the effect of Protector for electric appliance and relay.
Description
Technical field
The present invention relates to a kind of voltage transformer, more particularly to a kind of intelligent power-off protection electromagnetic potential transformer, category
In electric power applied technical field.
Background technology
Voltage transformer and transformer's type are the instruments of the voltage on conversion line seemingly.But transformer conversion electricity
The purpose of pressure is to convey electric energy, therefore capacity is very big, typically using kilovolt-ampere or megavolt-ampere as unit of account；And voltage
The purpose of transformer voltage of transformation, it is primarily used to measuring instrumentss and protective relaying device power supply, for the electricity of measurement circuitry
Pressure, power and electric energy, or for the expensive equipment in the protection circuit in line failure, motor and transformer, therefore
The capacity very little of voltage transformer, typically all there was only several volt-amperes, tens volt-amperes, maximum is also no more than one kilovolt-ampere.Entry introduction
It is its basic structure, operation principle, main Types, the mode of connection, points for attention, abnormal with processing and ferromagnetic resonance etc., and
In general voltage transformer voltage can not break in time when excessive, and it is connected, and is prone to accidents, and therefore, a kind of intelligence power-off is protected
Shield electromagnetic potential transformer will possess good market prospects.
The content of the invention
The technical problem to be solved in the present invention is the defects of overcoming prior art, there is provided a kind of intelligent power-off protection electromagnetic type
Voltage transformer, it is easy to use, save substantial amounts of cost.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
The present invention provides a kind of intelligent power-off protection electromagnetic potential transformer, including the first insulator, first insulator
Side is connected with the first containment vessel, and the first containment vessel side is provided with the second insulator, and the second insulator side connects
The second containment vessel is connected to, the second containment vessel side is connected with shell, and the shell side is provided with fire-wire interfaces, the fire
Line interface side is connected with winding case, is hollow inside the winding case, the winding case side is provided with iron core, the iron core
Upper surface is wound with first winding, and the lower surface unshakable in one's determination is wound with secondary winding, the number of turn of the turn ratio secondary winding of first winding
More, the secondary winding side is connected with voltmeter, and the iron core is arranged on inside the winding case, and the side unshakable in one's determination is set
There is zero line interface, live wire is connected with zero line by fire-wire interfaces, zero line interface with first winding and secondary winding, the iron core
Opposite side is provided with base, and the base side is provided with relay, and the relay side is provided with Protector for electric appliance, described
Protector for electric appliance side is provided with wiring hole, and the relay surface is provided with indicator lamp.
As a preferred technical solution of the present invention, first containment vessel, second containment vessel and the shell
Pass through welding.
As a preferred technical solution of the present invention, the first winding, the secondary winding and the relay, institute
Protector for electric appliance, voltmeter, indicator lamp is stated to be electrical connected.
As a preferred technical solution of the present invention, the relay, the Protector for electric appliance and voltmeter electricity
Property is connected.
As a preferred technical solution of the present invention, the indicator lamp is electrical connected with the voltmeter.
The beneficial effect that is reached of the present invention is：The structure of the present invention is simple, cheap and practical, big when having
Electric current by when, transformer may be caused one damage, so effect of the present apparatus by voltmeter, leads to when there is high current
Crossing makes voltmeter to detect immediately, so as to transmit a signal to relay, when relay receives signal, can power off immediately,
Electric current is set to continue to circulate, and it is unstable when an electric current passes through it, and voltage is fluctuated, and at this moment Protector for electric appliance also can be immediately
Power-off carries out second protection to its transformer, improves the security of transformer, has saved substantial amounts of cost, uses simple side
Just, there are good economic benefit and social benefit, be adapted to promote the use of.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the subjective structural representation of the present invention；
Fig. 2 is the side structure schematic diagram of the present invention；
Fig. 3 is the internal circuit attachment structure schematic diagram of the present invention；
In figure：1st, the first insulator；2nd, the first containment vessel；3rd, the second insulator；4th, the second containment vessel；5th, shell；6th, live wire connects
Mouthful；7th, winding case；8th, it is unshakable in one's determination；9th, base；10th, relay；11st, Protector for electric appliance；12nd, wiring hole；13rd, zero line interface；14th, two
Secondary winding；15th, voltmeter；16th, indicator lamp；17th, first winding.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment：As Figure 1-3, a kind of intelligent power-off protection electromagnetic potential transformer of present invention offer, including the
One insulator 1, the side of the first insulator 1 are connected with the first containment vessel 2, and the side of the first containment vessel 2 is provided with second
Insulator 3, the side of the second insulator 3 are connected with the second containment vessel 4, and the side of the second containment vessel shell 4 is connected with shell
5, the side of shell 5 is provided with fire-wire interfaces 6, and the side of fire-wire interfaces 6 is connected with winding case 7, inside the winding case 7
To be hollow, the side of winding case 7 is provided with iron core 8, and 8 upper surface unshakable in one's determination is wound with first winding 17,8 following table unshakable in one's determination
Face is wound with secondary winding 14, and the number of turn of the turn ratio secondary winding 14 of first winding 17 is more, the side of secondary winding 14 connection
There is voltmeter 15, described unshakable in one's determination 8 are arranged on inside the winding case 7, and 8 side unshakable in one's determination is provided with zero line interface 13, live wire
It is connected with zero line by fire-wire interfaces 6, zero line interface 13 with first winding 17 and secondary winding 14,8 opposite side unshakable in one's determination
Base 9 is provided with, the side of base 9 is provided with relay 10, and the side of relay 10 is provided with Protector for electric appliance 11, institute
State the side of Protector for electric appliance 11 and be provided with wiring hole 12, the surface of relay 10 is provided with indicator lamp 16.
In order that this kind of intelligent power-off protection electromagnetic potential transformer, easy to use, operating efficiency is high, and described first protects
Protective case 2, second containment vessel 4 and the shell 5 by welding, the first winding 17, the secondary winding 14 with it is described
Relay 10, the Protector for electric appliance 11, voltmeter 15, indicator lamp 16 are electrical connected, the relay 10, the electric prospection
Device 11 is electrical connected with the voltmeter 15, and the indicator lamp 16 is electrical connected with the voltmeter 15.
In the use of the present invention, when electric current is entered inside transformer by live wire and zero line, then by first winding 17 with
The effect of secondary winding 14, voltage is reduced, and is reached using size, and these can then need voluntarily to adjust by voltage once around
Group 17 and the numbers of turn of secondary winding 14, and when have high current by when, a damage may be caused to transformer, so this dress
Put the effect by voltmeter 15, when having high current by making voltmeter 15 to detect immediately, so as to transmit a signal to after
It electrical equipment 10, when relay 10 receives signal, can immediately power off, make electric current to continue to circulate, and when an electric current passes through it not
Stable, voltage is fluctuated, and at this moment Protector for electric appliance 11 can also power off immediately carries out second protection to its transformer.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of intelligent power-off protection electromagnetic potential transformer, including the first insulator（1）, it is characterised in that described first
Insulator（1）Side is connected with the first containment vessel（2）, first containment vessel（2）Side is provided with the second insulator（3）, institute
State the second insulator（3）Side is connected with the second containment vessel（4）, the second containment vessel shell（4）Side is connected with shell（5）,
The shell（5）Side is provided with fire-wire interfaces（6）, the fire-wire interfaces（6）Side is connected with winding case（7）, the winding
Case（7）Inside is hollow, the winding case（7）Side is provided with iron core（8）, the iron core（8）Upper surface is wound with first winding
（17）, the iron core（8）Lower surface is wound with secondary winding（14）, first winding（17）Turn ratio secondary winding（14）The number of turn
It is more, the secondary winding（14）Side is connected with voltmeter（15）, the iron core（8）It is arranged on the winding case（7）Inside, institute
State iron core（8）Side is provided with zero line interface（13）, live wire and zero line pass through fire-wire interfaces（6）, zero line interface（13）With once
Winding（17）And secondary winding（14）It is connected, the iron core（8）Opposite side is provided with base（9）, the base（9）Side is set
It is equipped with relay（10）, the relay（10）Side is provided with Protector for electric appliance（11）, the Protector for electric appliance（11）Side
It is provided with wiring hole（12）, the relay（10）Surface is provided with indicator lamp（16）.
2. a kind of intelligent power-off protection electromagnetic potential transformer according to claim 1, it is characterised in that described first
Containment vessel（2）, second containment vessel（4）With the shell（5）Pass through welding.
A kind of 3. intelligent power-off protection electromagnetic potential transformer according to claim 1, it is characterised in that it is described once
Winding（17）, the secondary winding（14）With the relay（10）, the Protector for electric appliance（11）, voltmeter（15）, instruction
Lamp（16）It is electrical connected.
A kind of 4. intelligent power-off protection electromagnetic potential transformer according to claim 1, it is characterised in that the relay
Device（10）, the Protector for electric appliance（11）With the voltmeter（15）It is electrical connected.
A kind of 5. intelligent power-off protection electromagnetic potential transformer according to claim 1, it is characterised in that the instruction
Lamp（16）With the voltmeter（15）It is electrical connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994349.5A CN107768123A (en) | 2017-10-23 | 2017-10-23 | A kind of intelligent power-off protection electromagnetic potential transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994349.5A CN107768123A (en) | 2017-10-23 | 2017-10-23 | A kind of intelligent power-off protection electromagnetic potential transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107768123A true CN107768123A (en) | 2018-03-06 |
Family
ID=61268355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710994349.5A Pending CN107768123A (en) | 2017-10-23 | 2017-10-23 | A kind of intelligent power-off protection electromagnetic potential transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107768123A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545529A (en) * | 2018-12-30 | 2019-03-29 | 江西伊发电力科技股份有限公司 | A kind of voltage transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986853Y (en) * | 2006-12-20 | 2007-12-05 | 唐晃 | Dry-type capacitive electromagnetic potential transformer |
| CN201489989U (en) * | 2009-08-21 | 2010-05-26 | 四川金成铭电器有限责任公司 | Multi-purpose totally closed voltage transformer |
| CN201754527U (en) * | 2010-04-19 | 2011-03-02 | 河南博特电气有限公司 | Intelligent high-voltage electric switch device |
| CN201812665U (en) * | 2010-10-27 | 2011-04-27 | 河南省电力公司信阳供电公司 | Anti-resonance three-phase voltage transformer |
| CN202495745U (en) * | 2012-01-12 | 2012-10-17 | 陈思雅 | Novel voltage transformer overcurrent protector |
| CN103077816A (en) * | 2013-01-30 | 2013-05-01 | 江苏博斯特科技电力有限公司 | Intelligent voltage transformer |
| CN203552919U (en) * | 2013-11-26 | 2014-04-16 | 江苏科兴电器有限公司 | Voltage transformer with high and low voltage fuse protection function |
| CN103730246A (en) * | 2013-12-17 | 2014-04-16 | 安徽互感器有限公司 | 10KV potential transformer |
| KR20170031562A (en) * | 2015-09-11 | 2017-03-21 | 한국전력공사 | Apparatus and method for preventing malfunction of digital protection relay |
-
2017
- 2017-10-23 CN CN201710994349.5A patent/CN107768123A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986853Y (en) * | 2006-12-20 | 2007-12-05 | 唐晃 | Dry-type capacitive electromagnetic potential transformer |
| CN201489989U (en) * | 2009-08-21 | 2010-05-26 | 四川金成铭电器有限责任公司 | Multi-purpose totally closed voltage transformer |
| CN201754527U (en) * | 2010-04-19 | 2011-03-02 | 河南博特电气有限公司 | Intelligent high-voltage electric switch device |
| CN201812665U (en) * | 2010-10-27 | 2011-04-27 | 河南省电力公司信阳供电公司 | Anti-resonance three-phase voltage transformer |
| CN202495745U (en) * | 2012-01-12 | 2012-10-17 | 陈思雅 | Novel voltage transformer overcurrent protector |
| CN103077816A (en) * | 2013-01-30 | 2013-05-01 | 江苏博斯特科技电力有限公司 | Intelligent voltage transformer |
| CN203552919U (en) * | 2013-11-26 | 2014-04-16 | 江苏科兴电器有限公司 | Voltage transformer with high and low voltage fuse protection function |
| CN103730246A (en) * | 2013-12-17 | 2014-04-16 | 安徽互感器有限公司 | 10KV potential transformer |
| KR20170031562A (en) * | 2015-09-11 | 2017-03-21 | 한국전력공사 | Apparatus and method for preventing malfunction of digital protection relay |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545529A (en) * | 2018-12-30 | 2019-03-29 | 江西伊发电力科技股份有限公司 | A kind of voltage transformer |
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Application publication date: 20180306 |
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