CN107424811A - Toroidal transformer, charger diode full-wave rectifying circuit and charger - Google Patents
Toroidal transformer, charger diode full-wave rectifying circuit and charger Download PDFInfo
- Publication number
- CN107424811A CN107424811A CN201710633049.4A CN201710633049A CN107424811A CN 107424811 A CN107424811 A CN 107424811A CN 201710633049 A CN201710633049 A CN 201710633049A CN 107424811 A CN107424811 A CN 107424811A
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- Prior art keywords
- winding
- primary winding
- charger
- toroidal transformer
- secondary winding
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 109
- 230000001808 coupling effect Effects 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/16—Toroidal 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
- H01F27/24—Magnetic cores
-
- 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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
- H01F27/323—Insulation between winding turns, between winding layers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
This application discloses a kind of toroidal transformer and charger diode full-wave rectifying circuit and charger with the toroidal transformer, the wherein toroidal transformer include：Core assembly；And armature winding, the first secondary windings and second subprime winding；Wherein, armature winding is set around on core assembly, has multiple positions, the first secondary windings and second subprime winding on armature winding rotating around the diverse location on armature winding, and the first secondary windings and second subprime winding separate each other；And insulating barrier, at least provided between the first secondary windings and armature winding and between second subprime winding and armature winding.By the first secondary windings and second subprime winding for being set to separate each other by secondary windings, and rotating around the diverse location on armature winding, reduce coupling effect during transformer work so that output current air-conditioning, simple in construction and handling ease.
Description
Technical Field
The invention belongs to the technical field of transformer manufacturing, and particularly relates to a toroidal transformer, a charger diode full-wave rectification circuit with the toroidal transformer and a charger.
Background
Referring to fig. 4, a conventional toroidal transformer structure in the prior art is described, which includes a toroidal core and a primary winding 201 and a secondary winding 202 uniformly wound around the toroidal core, in which the magnetic field distribution of the transformer is uniform and the coupling performance is excellent, but there is a problem in that the output current of the transformer after diode rectification is very large and increases with the increase of voltage and cannot be adjusted when the transformer operates.
Therefore, a new toroidal transformer is urgently needed to solve the above-mentioned disadvantages.
Disclosure of Invention
An embodiment of the present application provides a toroidal transformer for solve prior art toroidal transformer during operation output current too big, and the unable problem of adjusting, this toroidal transformer includes:
a magnetic core assembly; and
a primary winding, a first secondary winding and a second secondary winding; wherein,
the primary winding is wound on the magnetic core assembly, the primary winding is provided with a plurality of positions, the first secondary winding and the second secondary winding are respectively wound on different positions of the primary winding, and the first secondary winding and the second secondary winding are separated from each other; and
and the insulating layers are at least arranged between the first secondary winding and the primary winding and between the second secondary winding and the primary winding.
As a further improvement of an embodiment of the present application, the first secondary winding and the second secondary winding are wound on the primary winding symmetrically to each other.
As a further improvement of an embodiment of the present application, the first secondary winding and the second secondary winding have a projection axis symmetry on a plane perpendicular to the central axis of the magnetic core assembly.
As a further improvement of an embodiment of the present application, the magnetic core assembly includes an iron core and an insulating sleeve housing on the iron core.
An embodiment of the present application further provides an annular transformer, including:
a magnetic core assembly; and
a primary winding, and a plurality of secondary windings; wherein,
the primary winding is wound on the magnetic core assembly, the primary winding is provided with a plurality of positions, the plurality of secondary windings are respectively wound on different positions of the primary winding, and the plurality of secondary windings are separated from each other; and
an insulating layer disposed at least between the plurality of secondary windings and the primary winding.
An embodiment of the invention further provides a charger diode full-wave rectification circuit applying the toroidal transformer.
An embodiment of the invention further provides a charger applying the toroidal transformer.
Compared with the prior art, the technical scheme of this application is through establishing secondary into the first secondary winding and the second secondary winding that separate each other, and respectively around locating the different positions on primary, has reduced the coupling effect of transformer during operation for output current air conditioner, simple structure and processing are easy.
Drawings
Fig. 1 is a schematic structural diagram of an annular transformer according to an embodiment of the present application;
FIG. 2 is a side view of an annular transformer in an embodiment of the present application;
FIG. 3 is a schematic diagram of an annular transformer according to an embodiment of the present application;
fig. 4 is a schematic diagram of a prior art toroidal transformer.
Detailed Description
The present application will now be described in detail with reference to specific embodiments thereof as illustrated in the accompanying drawings. These embodiments are not intended to limit the present application, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present application.
Referring to fig. 1 and 2, a toroidal transformer 100 according to an embodiment of the present application is described, in which the toroidal transformer 100 includes a magnetic core assembly, a primary winding 30, a first secondary winding 41, a second secondary winding 42, and an insulating layer (not shown).
The magnetic core assembly includes an iron core 10 and an insulating sleeve 20 sleeved on the iron core 10, wherein the iron core 10 may be, for example, laminated by silicon steel sheets. The primary winding 30 is wound on the magnetic core assembly, the primary winding 30 has a plurality of positions, the first secondary winding 41 and the second secondary winding 42 are respectively wound on different positions of the primary winding 30, the first secondary winding 41 and the second secondary winding 42 are separated from each other, and the insulating layers are at least arranged between the first secondary winding 41 and the primary winding 30 and between the second secondary winding 42 and the primary winding 30.
In the present embodiment, the first secondary winding 41 and the second secondary winding 42 are symmetrically wound around the primary winding 30, and particularly, the projection axes of the first secondary winding 41 and the second secondary winding 42 on a plane perpendicular to the central axis of the magnetic core assembly are symmetrical.
Referring to fig. 3, a toroidal transformer 100 according to yet another embodiment of the present application is described, wherein the toroidal transformer 100 includes a magnetic core assembly, a primary winding 30, a plurality of secondary windings 40, and an insulating layer (not shown).
The magnetic core assembly includes an iron core 10 and an insulating sleeve 20 sleeved on the iron core 10, wherein the iron core 10 may be, for example, laminated by silicon steel sheets. The primary winding 30 is wound on the magnetic core assembly, the primary winding 30 has a plurality of positions, the plurality of secondary windings 40 are respectively wound on different positions on the primary winding 30, the plurality of secondary windings 40 are separated from each other, and the insulating layer is at least arranged between the plurality of secondary windings 40 and the primary winding 30.
The embodiment of the application also provides a charger diode full-wave rectifying circuit and a charger using the toroidal transformer, and the specific structures of the charger diode full-wave rectifying circuit and the charger are not repeated herein because the structure or function improvement of other parts is not related except the toroidal transformer.
Through the above embodiments/examples, the present application has the following beneficial effects: the secondary windings are set to be at least two secondary windings separated from each other and are respectively wound at different positions on the primary winding, so that the coupling effect of the transformer during working is reduced, the output current air conditioner is simple in structure and easy to machine.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the concrete description of the feasible embodiments of the present application, they are not intended to limit the scope of the present application, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present application are intended to be included within the scope of the present application.
Claims (7)
1. An annular transformer, comprising:
a magnetic core assembly; and
a primary winding, a first secondary winding and a second secondary winding; wherein,
the primary winding is wound on the magnetic core assembly, the primary winding is provided with a plurality of positions, the first secondary winding and the second secondary winding are respectively wound on different positions of the primary winding, and the first secondary winding and the second secondary winding are separated from each other; and
and the insulating layers are at least arranged between the first secondary winding and the primary winding and between the second secondary winding and the primary winding.
2. The toroidal transformer according to claim 1, wherein said first secondary winding and said second secondary winding are wound on said primary winding symmetrically to each other.
3. The toroidal transformer according to claim 2, wherein said first secondary winding and said second secondary winding are axisymmetrical in projection on a plane perpendicular to said central axis of said core assembly.
4. The toroidal transformer according to claim 1, wherein said core assembly comprises a core and an insulating sleeve disposed on said core.
5. An annular transformer, comprising:
a magnetic core assembly; and
a primary winding, and a plurality of secondary windings; wherein,
the primary winding is wound on the magnetic core assembly, the primary winding is provided with a plurality of positions, the plurality of secondary windings are respectively wound on different positions of the primary winding, and the plurality of secondary windings are separated from each other; and
an insulating layer disposed at least between the plurality of secondary windings and the primary winding.
6. A charger diode full wave rectifier circuit, characterized in that it comprises a toroidal transformer according to any of claims 1 to 5.
7. A charger characterized in that it comprises a toroidal transformer according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633049.4A CN107424811A (en) | 2017-07-28 | 2017-07-28 | Toroidal transformer, charger diode full-wave rectifying circuit and charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633049.4A CN107424811A (en) | 2017-07-28 | 2017-07-28 | Toroidal transformer, charger diode full-wave rectifying circuit and charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107424811A true CN107424811A (en) | 2017-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710633049.4A Pending CN107424811A (en) | 2017-07-28 | 2017-07-28 | Toroidal transformer, charger diode full-wave rectifying circuit and charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107424811A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112385005A (en) * | 2018-06-29 | 2021-02-19 | 索尤若驱动有限及两合公司 | Transformer with annular core and system for supplying power to load |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190907630A (en) * | 1908-04-10 | 1909-07-08 | Frank Conrad | Improvements in Transformers for Operating Vapour Electric Apparatus. |
| CN2295269Y (en) * | 1997-05-07 | 1998-10-21 | 浙江阳光集团公司 | Pulse transformer |
| CN202736696U (en) * | 2012-06-29 | 2013-02-13 | 马鞍山豪远电子有限公司 | Annular transformer convenient to wind |
| CN204720289U (en) * | 2015-07-08 | 2015-10-21 | 王欣怡 | Thyristor high speed Trigger transformers |
| CN206022091U (en) * | 2016-08-24 | 2017-03-15 | 东莞市立勤塑胶制品有限公司 | A kind of toroidal transformer for possessing function of shielding |
-
2017
- 2017-07-28 CN CN201710633049.4A patent/CN107424811A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190907630A (en) * | 1908-04-10 | 1909-07-08 | Frank Conrad | Improvements in Transformers for Operating Vapour Electric Apparatus. |
| CN2295269Y (en) * | 1997-05-07 | 1998-10-21 | 浙江阳光集团公司 | Pulse transformer |
| CN202736696U (en) * | 2012-06-29 | 2013-02-13 | 马鞍山豪远电子有限公司 | Annular transformer convenient to wind |
| CN204720289U (en) * | 2015-07-08 | 2015-10-21 | 王欣怡 | Thyristor high speed Trigger transformers |
| CN206022091U (en) * | 2016-08-24 | 2017-03-15 | 东莞市立勤塑胶制品有限公司 | A kind of toroidal transformer for possessing function of shielding |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112385005A (en) * | 2018-06-29 | 2021-02-19 | 索尤若驱动有限及两合公司 | Transformer with annular core and system for supplying power to load |
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Application publication date: 20171201 |