CN109346271A - A kind of step-up transformer - Google Patents

A kind of step-up transformer Download PDF

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Publication number
CN109346271A
CN109346271A CN201811352856.XA CN201811352856A CN109346271A CN 109346271 A CN109346271 A CN 109346271A CN 201811352856 A CN201811352856 A CN 201811352856A CN 109346271 A CN109346271 A CN 109346271A
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China
Prior art keywords
tension coil
voltage
coil
low
voltage terminal
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Application number
CN201811352856.XA
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Chinese (zh)
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CN109346271B (en
Inventor
邢镇云
孙冲
施淋枫
洪湖
顾赟
叶奇临
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Jiangsu Sieyuan Hertz Instrument Transformer Co Ltd
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Jiangsu Sieyuan Hertz Instrument Transformer Co Ltd
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Priority to CN201811352856.XA priority Critical patent/CN109346271B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00Fixed transformers not covered by group H01F19/00
    • H01F30/04Fixed transformers not covered by group H01F19/00 having two or more secondary windings, each supplying a separate load, e.g. for radio set power supplies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • 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
    • 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
    • H01F30/00Fixed transformers not covered by group H01F19/00
    • H01F30/06Fixed transformers not covered by group H01F19/00 characterised by the structure

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

The present invention relates to transformer technology fields, specifically disclose a kind of step-up transformer, including body shell, single-phase double-column formula iron core, low-voltage coil, first high-tension coil and the second high-tension coil, single-phase double-column formula iron core is mounted in body shell, low-voltage coil is wound on the outside of single-phase double-column formula iron core, first high-tension coil and the second high-tension coil are disposed in parallel on low-voltage coil, it draws jointly the starting point of first high-tension coil and the second high-tension coil, first high-tension coil and the second high-tension coil around to opposite, first sleeve and the second casing are respectively equipped with above body shell.Step-up transformer of the present invention is compact-sized, arrangement is reasonable, it is usually used in energizing to dc circuit breaker, using low pressure winding and two are arranged on single-phase double-column formula iron core around to opposite high-voltage winding, make transformer by low pressure winding excitation, while realizing from two high-voltage windings and exporting the function that two phase differences are 180 ° of high voltages.

Description

A kind of step-up transformer
Technical field
The present invention relates to transformer technology fields, and in particular to a kind of step-up transformer.
Background technique
Transformer is a kind of common electrical equipment, and the alternating voltage of a certain numerical value can be used to be transformed to the another of same frequency The alternating voltage of one numerical value.Step-up transformer is exactly another higher number for the alternating voltage of low numerical value being transformed to same frequency It is worth the transformer of alternating voltage.
Currently, being carried out when step-up transformer needs to export two ac voltage in the prior art frequently with four-column type iron core The coiling of high-voltage winding, manufacturing cost is high, and overall volume is big, it has not been convenient to transport and installation, so in step-up transformer There are also very big rooms for improvement in design.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of step-up transformer, structure Rationally, two high-tension coils are arranged in compact, arrangement on an iron core, export two opposite alternating voltages, disconnected for direct current In the device of road.
In order to solve the above technical problems, the present invention provides a kind of step-up transformer, including body shell, single-phase double-column formula Iron core, low-voltage coil, the first high-tension coil and the second high-tension coil, the single-phase double-column formula iron core are mounted on the body shell Interior, the low-voltage coil is wound on the outside of the single-phase double-column formula iron core, first high-tension coil and the second high-tension coil It is disposed in parallel on the low-voltage coil, the starting point of first high-tension coil and the second high-tension coil is drawn jointly, described First high-tension coil and the second high-tension coil around to opposite;First sleeve and second are respectively equipped with above the body shell The outside of the first high-tension coil is arranged in casing, the first sleeve, and the top of the first sleeve is equipped with the first high-voltage connection End, the first high-tension coil tail end are connected to first high-voltage terminal;The second casing setting is high described second The outside of crimping circle, the outside of second casing are equipped with the second high-voltage terminal, and the second high-tension coil tail end is connected to described Second high-voltage terminal.
Further, it is all provided with once fairlead in the first sleeve and the second casing, one in the first sleeve One end of secondary fairlead is fixed on first high-voltage terminal, and the other end is put in the body shell, first high pressure Coil tail end enters the first high-voltage terminal out of a fairlead;One end of a fairlead in second casing is fixed In second high-voltage terminal, the other end is put in the body shell, and the second high-tension coil tail end is from a lead Enter the second high-voltage terminal in pipe.
Further, the low-voltage coil includes the first low-voltage coil and the second low-voltage coil, first low-voltage coil It is wrapped in the inside of first high-tension coil, second low-voltage coil is wrapped in the inside of second high-tension coil.
Further, the first sleeve and the bottom inside of the second casing are respectively equipped with bucking electrode.
Specifically, the body outer side of shell is equipped with low voltage electrical connectors, is equipped with low voltage terminal in the low voltage electrical connectors, The low voltage terminal is connect with the low-voltage coil.
Further, the body outer side of shell is additionally provided with charge valve, and the charge valve is equipped with density meter.
Further, the step-up transformer further includes pressure relief device, and the pressure relief device is arranged described The lower section of the external inflation valve of body shell.
The beneficial effects of the present invention are: step-up transformer of the present invention is compact-sized, arrangement is reasonable, overall volume is small, manufacture It is at low cost, convenient transportation and installation, using low pressure winding and two are arranged on single-phase double-column formula iron core around to opposite high pressure Winding makes transformer by low pressure winding excitation, while realizing from two high-voltage windings and exporting two phase differences as 180 ° of height The function of voltage can be applied to dc circuit breaker well.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Its attached drawing.
Fig. 1 is the structural schematic diagram of step-up transformer of the present invention;
Fig. 2 is step-up transformer output voltage wave figure of the present invention;
Fig. 3 is the elementary diagram of booster high-tension coil of the present invention part.
In figure: 1- body shell, 2- single-phase double-column formula iron core, 3- low-voltage coil, the first high-tension coil of 4-, 5- first set Pipe, the first high-voltage terminal of 6-, the second high-tension coil of 7-, the second casing of 8-, the second high-voltage terminal of 9-, the first high-voltage line of 10- Circle tail end, 11- the second high-tension coil tail end, fairlead of 12-, 13- bucking electrode, 14- low voltage electrical connectors, 15- charge valve, 16- density meter, 17- pressure relief device, A- the first high-tension coil output voltage waveforms, B- the second high-tension coil output voltage wave Shape, C- input voltage waveform.
Specific embodiment
Below in conjunction with Figure of description, technical scheme in the embodiment of the invention is clearly and completely described, shows So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention Apply example, those of ordinary skill in the art's every other embodiment obtained without creative labor, all Belong to the scope of protection of the invention.
In a specific embodiment of the present invention, as shown in Figure 1 to Figure 3, the invention particularly discloses a kind of step-up transformer, It is described single-phase including body shell 1, single-phase double-column formula iron core 2, low-voltage coil 3, the first high-tension coil 4 and the second high-tension coil 7 Two-legs type core 2 is mounted in the body shell 1, and the low-voltage coil 3 is wound on the outer of the single-phase double-column formula iron core 2 Side, first high-tension coil 4 and the second high-tension coil 7 are disposed in parallel on the low-voltage coil 3, first high-tension coil 4 and second the starting point of high-tension coil 7 draw jointly, after same root high-voltage line is drawn, then draw both threads and carry out first respectively The coil winding-direction of the coiling of high-tension coil and the second high-tension coil, first high-tension coil 4 and the second high-tension coil 7 is opposite; First sleeve 5 and the second casing 8 are respectively equipped with above the body shell, the first sleeve 5 is arranged in the first high-voltage line The outer upper side of circle 4, the top of the first sleeve 5 are equipped with the first high-voltage terminal 6, and the first high-tension coil tail end 10 connects It is connected to first high-voltage terminal 6;Second casing 8 is arranged in the outside of second high-tension coil 7, and described second set The outside of pipe 8 is equipped with the second high-voltage terminal 9, and the second high-tension coil tail end 11 is connected to second high-voltage terminal 9, and two It is 180 ° of high voltages around two phase differences are exported to the first opposite high-tension coil and the second high-tension coil, voltage oscillogram is as schemed Shown in 2.
Once fairlead 12 are all provided in the first sleeve 5 and the second casing 8, a fairlead 12 is aluminum pipe, One end of a fairlead 12 in the first sleeve 5 is fixed on first high-voltage terminal 6, and the other end puts in the device In body shell 1, the first high-tension coil tail end 10 enters the first high-voltage terminal 6 out of a fairlead 12;Described second One end of a fairlead 12 in casing 8 is fixed on second high-voltage terminal 9, and the other end puts in the body shell 1 Interior, the second high-tension coil tail end 11 enters the second high-voltage terminal 9 out of a fairlead 12.
The first sleeve 5 and the second casing 8 are silicone rubber sleeve, 8 bottom of the first sleeve 5 and the second casing Inside is respectively equipped with bucking electrode 13, and the bucking electrode 13 improves inner electric field and outer electric field distribution, improve equipment insulating properties and Reliability.
It is equipped with low voltage electrical connectors 14 on the outside of the body shell 1, is equipped with low voltage terminal, institute in the low voltage electrical connectors 14 Low voltage terminal is stated to connect with the low-voltage coil 3.
Charge valve 15 is additionally provided on the outside of the body shell 1, the charge valve 15 is equipped with density meter 16, the charge valve 15 for it is envelope filled to body enter gas to carry out gas-insulated increase the insulating properties and stability of body, the density Table is used to detect the situation that gas leaks in body shell, avoids that safety accident occurs.
The step-up transformer further includes pressure relief device 17, and the pressure relief device 17 is arranged outside the body The lower section of the external inflation valve of shell, the pressure relief device 17 are used to discharge the pressure in body, avoid pressure is excessive from causing Internal injury extends the service life of step-up transformer.
Low-voltage coil 3 described in another specific embodiment of the invention can also be set as including that the first low-voltage coil and second are low The inside of first high-tension coil 4 is arranged in crimping circle, first low-voltage coil, and second low-voltage coil is arranged in institute State the inside of the second high-tension coil 7.
The beneficial effects of the present invention are: step-up transformer of the present invention is compact-sized, arrangement is reasonable, overall volume is small, manufacture It is at low cost, convenient transportation and installation, using low pressure winding and two are arranged on single-phase double-column formula iron core around to opposite high pressure Winding makes transformer by low pressure winding excitation, while realizing from two high-voltage windings and exporting two phase differences as 180 ° of height The function of voltage can be applied to dc circuit breaker well.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (7)

1. a kind of step-up transformer, which is characterized in that including body shell, single-phase double-column formula iron core, low-voltage coil, the first high pressure Coil and the second high-tension coil, the single-phase double-column formula iron core are mounted in the body shell, and the low-voltage coil is wound on The outside of the single-phase double-column formula iron core, first high-tension coil and the second high-tension coil are disposed in parallel in the low-voltage coil On, the starting point of first high-tension coil and the second high-tension coil is drawn jointly, first high-tension coil and the second high pressure Coil around to opposite;First sleeve and the second casing, the first sleeve setting are respectively equipped with above the body shell In the outside of the first high-tension coil, the top of the first sleeve is equipped with the first high-voltage terminal, the first high-tension coil tail End is connected to first high-voltage terminal;Second casing is arranged in the outside of second high-tension coil, and described second The outside of casing is equipped with the second high-voltage terminal, and the second high-tension coil tail end is connected to second high-voltage terminal.
2. a kind of step-up transformer according to claim 1, which is characterized in that in the first sleeve and the second casing Equipped with a fairlead, one end of a fairlead in the first sleeve is fixed on first high-voltage terminal, another End is put in the body shell, and the first high-tension coil tail end enters the first high-voltage terminal out of a fairlead;Institute The one end for stating in the second casing fairlead is fixed on second high-voltage terminal, and the other end puts in the body shell Interior, the second high-tension coil tail end enters the second high-voltage terminal out of a fairlead.
3. a kind of step-up transformer according to claim 1, which is characterized in that the low-voltage coil includes the first low-voltage line Circle and the second low-voltage coil, first low-voltage coil are wrapped in the inside of first high-tension coil, second low-voltage line Circle is wrapped in the inside of second high-tension coil.
4. a kind of step-up transformer according to claim 2, which is characterized in that the bottom of the first sleeve and the second casing Bucking electrode is respectively equipped on the inside of portion.
5. a kind of step-up transformer according to claim 1, which is characterized in that the body outer side of shell connects equipped with low pressure Wire box, the low voltage electrical connectors are interior to be equipped with low voltage terminal, and the low voltage terminal is connect with the low-voltage coil.
6. a kind of step-up transformer according to claim 4, which is characterized in that the body outer side of shell is additionally provided with inflation Valve, the charge valve are equipped with density meter.
7. a kind of step-up transformer according to claim 5, which is characterized in that the step-up transformer further includes that pressure is released Device is put, the lower section of the external inflation valve of the body shell is arranged in the pressure relief device.
CN201811352856.XA 2018-11-14 2018-11-14 Step-up transformer Active CN109346271B (en)

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Application Number Priority Date Filing Date Title
CN201811352856.XA CN109346271B (en) 2018-11-14 2018-11-14 Step-up transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811352856.XA CN109346271B (en) 2018-11-14 2018-11-14 Step-up transformer

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CN109346271A true CN109346271A (en) 2019-02-15
CN109346271B CN109346271B (en) 2024-02-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021077431A1 (en) * 2019-10-26 2021-04-29 江苏思源赫兹互感器有限公司 Boosting transformer

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200416467Y1 (en) * 2006-03-02 2006-05-15 부전전자부품 주식회사 2-in-1 transformer having auxiliary-coil winding area
JP4523076B1 (en) * 2009-02-13 2010-08-11 三菱電機株式会社 Transformer
EP2549495A1 (en) * 2011-07-18 2013-01-23 ABB Technology AG Dry type transformer
CN103515072A (en) * 2013-10-28 2014-01-15 三变科技股份有限公司 Dual-high-voltage on-load tap changing single-phase testing transformer
CN204010978U (en) * 2014-08-29 2014-12-10 江苏南瑞帕威尔电气有限公司 Single-phase axial quadripartion amorphous alloy dry-type isolating transformer
CN207319890U (en) * 2017-07-04 2018-05-04 特变电工沈阳变压器集团有限公司 A kind of Vv Connection Traction Transformers of three column machine body structure of two-phase
CN207503797U (en) * 2017-12-09 2018-06-15 山东希波电气科技股份有限公司 Two-tap intermediate frequency exciting test transformer
CN208834849U (en) * 2018-11-14 2019-05-07 江苏思源赫兹互感器有限公司 A kind of step-up transformer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200416467Y1 (en) * 2006-03-02 2006-05-15 부전전자부품 주식회사 2-in-1 transformer having auxiliary-coil winding area
JP4523076B1 (en) * 2009-02-13 2010-08-11 三菱電機株式会社 Transformer
EP2549495A1 (en) * 2011-07-18 2013-01-23 ABB Technology AG Dry type transformer
CN103515072A (en) * 2013-10-28 2014-01-15 三变科技股份有限公司 Dual-high-voltage on-load tap changing single-phase testing transformer
CN204010978U (en) * 2014-08-29 2014-12-10 江苏南瑞帕威尔电气有限公司 Single-phase axial quadripartion amorphous alloy dry-type isolating transformer
CN207319890U (en) * 2017-07-04 2018-05-04 特变电工沈阳变压器集团有限公司 A kind of Vv Connection Traction Transformers of three column machine body structure of two-phase
CN207503797U (en) * 2017-12-09 2018-06-15 山东希波电气科技股份有限公司 Two-tap intermediate frequency exciting test transformer
CN208834849U (en) * 2018-11-14 2019-05-07 江苏思源赫兹互感器有限公司 A kind of step-up transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021077431A1 (en) * 2019-10-26 2021-04-29 江苏思源赫兹互感器有限公司 Boosting transformer

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