US20080308662A1 - Transformer and coil winding method thereof - Google Patents
Transformer and coil winding method thereof Download PDFInfo
- Publication number
- US20080308662A1 US20080308662A1 US12/068,729 US6872908A US2008308662A1 US 20080308662 A1 US20080308662 A1 US 20080308662A1 US 6872908 A US6872908 A US 6872908A US 2008308662 A1 US2008308662 A1 US 2008308662A1
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- Prior art keywords
- coil
- winding
- core
- layer
- transformer
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- 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
- H01F27/2823—Wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/082—Devices for guiding or positioning the winding material on the former
-
- 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
Definitions
- the invention relates to a transformer and a coil winding method thereof, and more particularly to a transformer and a coil winding method utilized to increase efficiency and reduce volume thereof.
- ratio of winding of a primary winding and a secondary winding must be increased, i.e., the amount of the winding in the secondary winding must be increased.
- power jump occurs at the beginning and distal ends of the winding.
- a conventional transformer 1 is designed to overcome the above-mentioned power jump.
- the transformer 1 includes a core 10 , a plurality of blocking walls 11 spaced at intervals on the core 10 , a primary winding 12 , and a secondary winding 13 .
- One of the blocking walls 11 is utilized to separate the primary winding 12 from the secondary winding 13 , and the secondary winding 13 is divided into several slots by the blocking walls 11 . Because the amount of the windings in a single slot is few, power jump can be prevented.
- An object of the invention is to provide a transformer and a coil winding method for increasing efficiency and reducing volume thereof.
- the transformer of the invention includes a core includes a core including a first end and a second end; and a first coil wound around the core by forward winding the first coil from the first end of the core toward the second end of the core as a first layer, backward winding the first coil above the first layer toward the first end of the core from a position near a stop point of the first layer and repeatedly performing the forward and backward winding to form a first right-triangle area; winding the first coil along a slanted surface of the first right-triangle; and winding the first coil by a winding way opposite to that of the first right-triangle area.
- the invention further provides a coil winding method for forming a coil on a core with a first end and a second end.
- a coil winding method for forming a coil on a core with a first end and a second end includes the steps of: forward winding the first coil from the first end of the core toward the second end of the core as a first layer, backward winding the first coil above the first layer toward the first end of the core from a position near a stop point of the first layer and repeatedly performing the forward and backward winding to form a first right-triangle area; winding the first coil along a slanted surface of the first right-triangle; and winding the first coil by a winding way opposite to that of the first right-triangle area.
- the circle number of each of the circles is surrounded by circles with adjacent circle numbers. Therefore, the power jump can be prevented. Furthermore, the blocking walls noted in the conventional transformer can be omitted. Further, the first and second right-triangle areas of the transformer of the invention provide a higher efficiency than the conventional one, and, thus, costs and volume of the transformer can be reduced.
- FIG. 1 is a cross sectional view of a conventional transformer
- FIG. 2 is a cross sectional view of a transformer of an embodiment of the invention.
- FIG. 3 is a schematic view showing steps of a winding method of the transformer of FIG. 2 .
- FIG. 2 is a cross sectional view of a transformer 2 of an embodiment
- FIG. 3 is a schematic view showing steps of a winding method of the transformer 2 of FIG. 2 .
- the transformer 2 of the embodiment includes a core 20 having a first end 201 and a second end 202 , a first coil 21 wound around the core 20 , a second coil 23 wound outside the first coil 21 , a first insulating layer 22 disposed between the first and second coils 21 and 23 , and a second insulating layer 24 disposed outside the second coil 23 .
- the second coil 23 is a primary coil and the first coil 21 is a secondary coil. Note that the installation of the second insulating layer 24 is optional.
- the core 20 is a single slot wound core.
- the first coil 21 wound on the core 20 is sequentially formed by a first right-triangle area A 1 , a plurality of ramp areas A 2 , and a second right-triangle area A 3 .
- the first right-triangle area A 1 formed by a set of layers providing a slanted surface a 100 and an external layer L 5 is wound by the following steps.
- a first layer L 1 of the set of layers is a front layer wound in parallel along a first direction D 1 along the first end 201 to the second end 202 of the core 20 .
- a second layer L 2 a next layer subsequent to the first layer L 1 , is wound and bent at a beginning wound position (i.e. the position of the circle No. 6 ) selected from a region near an end wound position (i.e. the position of the circle No. 5 ) of the first layer L 1 (previous layer), above the circle No.
- the rest layers of the set of layers i.e., a third layer 3 and a fourth layer L 4 , and the slanted surface a 100 are outwardly formed by repeating the winding sequence of the first and second layers L 1 and L 2 .
- the first coil 21 in the ramp areas A 2 are wound back and forth along the slanted surface a 100 of the first right-triangle area A 1 .
- a residual region is formed between the ramp areas A 2 and the core 20 .
- the first coil 21 in the second right-triangle area A 3 is inwardly wound opposite to the winding sequence of the first right-triangle area A 1 to form the residual region.
- a first coil 21 is wound around the core 20 by forward winding the first coil 21 from the first end 201 of the core 20 toward the second end 202 of the core 20 as the first layer L 1 , backward winding the first coil 21 above the first layer L 1 toward the first end 201 of the core 20 from a position near a stop point of the first layer L 1 and repeatedly performing the forward and backward winding to form a first right-triangle area A 1 . Then, the winding of the first coil 21 along the slanted surface of the first right-triangle area A 1 starts from repeatedly forward winding toward the second end 202 of the core 20 and then backward winding toward the first end 201 of the core 20 . Then, the first coil 21 is wound by a winding way opposite to that of the first right-triangle area A 1 .
- the first coil 21 is predetermined to be formed with five layers L 1 -L 5 .
- the first right-triangle area A 1 is formed from a 1 st circle (No. 1 ) to 15 th circle (No. 15 ).
- the ramp areas A 2 are formed from a 16 th circle (No. 16 ) to 70 th circle (No. 70 ).
- the second right-triangle area A 3 is formed from a 71 st circle (No. 71 ) to 85 th circle (No. 85 ).
- the first layer L 1 of the first right-triangle area A 1 is wound by five circles, including the 1 st circle (No. 1 ) to the 5 th circle (No. 5 ) in parallel.
- the second layer L 2 of the first right-triangle area A 1 is wound by four circles, including the 6 th circle (No. 6 ) to the 9 th circle (No. 9 ) in parallel and toward the first end 201 of the core 20 , wherein the 6 th circle (No. 6 ) is located on the 4 th circle (No. 4 ).
- the third layer L 3 of the first right-triangle area A 1 is wound by three circles, including the 10 th circle (No. 10 ) to the 12 th circle (No. 12 ) in parallel and toward the second end 202 of the core 20 , wherein the 10 th circle (No. 10 ) is located on the 9 th circle (No. 9 ).
- the fourth layer L 4 of the first right-triangle area A 1 is wound by two circles, including the 13 th circle (No. 13 ) to the 14 th circle (No. 14 ) in parallel and toward the first end 201 of the core 20 , wherein the 13 th circle (No. 13 ) is located on the 11 th circle (No. 11 ).
- the fifth layer L 5 of the first right-triangle area A 1 is wound by one circle, i.e., the 15 th circle (No. 15 ) in parallel and located on the 14 th circle (No. 14 ).
- the first right-triangle area A 1 is formed.
- the ramp areas A 2 include eleven ramp areas, from a 1 st ramp area R 1 to 11 th ramp area R 11 .
- the first ramp area R 1 is formed from the 16 th circle (No. 16 ) to the 20 th circle (No. 20 )
- the second ramp area R 2 is formed from the 21 st circle (No. 21 ) to the 25 th circle (No. 25 ).
- the position of the circle No. 20 is defined as an end wound position of the first ramp area R 1
- the position of the circle No. 21 selected near the end wound position (the position of the circle No. 20 of the first ramp area R 1 ) is defined as a beginning wound position of the second ramp area R 2 .
- the winding direction of the second ramp area R 2 is opposite to that of the first ramp area R 1 .
- the first ramp area R 1 to the 11 th ramp area R 11 along the slanted surface a 100 of the first right-triangle area A 1 is formed inward to outward, thus forming the ramp areas A 2 .
- the second right-triangle area A 3 formed from a 71 st circle (No. 71 ) to 85 th circle (No. 85 ) is an inverse right-triangle area or a residual region formed between the ramp areas A 2 and the second end 202 of the core 20 .
- the second right-triangle area A 3 is formed.
- the ramp areas A 2 of the embodiment wound next to the 5 th circle (No. 5 ), turned back and forth for eleven times, results in the same effect as the conventional core. Additionally, the first right-triangle area A 1 and the second right-triangle area A 3 are equilibrium to two slots. Thus, the voltage converting rate of the embodiment is superior to the conventional slotted transformer, and at least 30 percent of volume can be reduced.
- the circle number of each of the circles is surrounded by circles with adjacent circle numbers. Therefore, the power jump can be prevented. Moreover, the blocking walls noted in the conventional transformer can be omitted. Further, the first and second right-triangle areas of the transformer of the embodiment provide a higher efficiency than the conventional one. Thus, costs and volume of the transformer can be reduced.
Abstract
A transformer includes a core, a primary coil and a secondary coil. The secondary coil is formed by a first right-triangle area, ramp areas and a second right-triangle area. The first right-triangle area is formed by a set of layers providing a slanted surface and outwardly wound by continuous bending. A first layer of the set of layers is wound to be formed with an end wound position. A second layer subsequent to the first layer is wound to be started at a beginning wound position where is bent near the end wound position of the first layer. The rest layers of the set of layers are outwardly formed by repeating the winding sequence of the first and second layers. The ramp areas are wound along the slanted surface, and the second right-triangle area is inwardly wound opposite to the winding sequence of the first right-triangle area.
Description
- 1. Field of the Invention
- The invention relates to a transformer and a coil winding method thereof, and more particularly to a transformer and a coil winding method utilized to increase efficiency and reduce volume thereof.
- 2. Description of the Related Art
- To use a conventional transformer in an environment with high voltage, ratio of winding of a primary winding and a secondary winding must be increased, i.e., the amount of the winding in the secondary winding must be increased. However, power jump occurs at the beginning and distal ends of the winding.
- As shown in
FIG. 1 , aconventional transformer 1 is designed to overcome the above-mentioned power jump. Thetransformer 1 includes acore 10, a plurality of blockingwalls 11 spaced at intervals on thecore 10, aprimary winding 12, and asecondary winding 13. One of the blockingwalls 11 is utilized to separate theprimary winding 12 from thesecondary winding 13, and thesecondary winding 13 is divided into several slots by the blockingwalls 11. Because the amount of the windings in a single slot is few, power jump can be prevented. - However, at least 30 percent of the available space or volume for the windings is occupied by the location of the five blocking
walls 11 formed on thecore 10. Moreover, a higher voltage environment requires more blockingwalls 11. Thus, the volume of thetransformer 1 cannot be reduced, and utility and application of the structure thereof are relatively decreased. - An object of the invention is to provide a transformer and a coil winding method for increasing efficiency and reducing volume thereof.
- To achieve the above, the transformer of the invention includes a core includes a core including a first end and a second end; and a first coil wound around the core by forward winding the first coil from the first end of the core toward the second end of the core as a first layer, backward winding the first coil above the first layer toward the first end of the core from a position near a stop point of the first layer and repeatedly performing the forward and backward winding to form a first right-triangle area; winding the first coil along a slanted surface of the first right-triangle; and winding the first coil by a winding way opposite to that of the first right-triangle area.
- The invention further provides a coil winding method for forming a coil on a core with a first end and a second end. A coil winding method for forming a coil on a core with a first end and a second end includes the steps of: forward winding the first coil from the first end of the core toward the second end of the core as a first layer, backward winding the first coil above the first layer toward the first end of the core from a position near a stop point of the first layer and repeatedly performing the forward and backward winding to form a first right-triangle area; winding the first coil along a slanted surface of the first right-triangle; and winding the first coil by a winding way opposite to that of the first right-triangle area.
- According to the described features of the invention, the circle number of each of the circles is surrounded by circles with adjacent circle numbers. Therefore, the power jump can be prevented. Furthermore, the blocking walls noted in the conventional transformer can be omitted. Further, the first and second right-triangle areas of the transformer of the invention provide a higher efficiency than the conventional one, and, thus, costs and volume of the transformer can be reduced.
- A detailed description is given in the following embodiments with reference to the accompanying drawings.
- The invention can be more fully understood by reading the subsequent detailed description and examples with references made to the accompanying drawings, wherein:
-
FIG. 1 is a cross sectional view of a conventional transformer; -
FIG. 2 is a cross sectional view of a transformer of an embodiment of the invention; and -
FIG. 3 is a schematic view showing steps of a winding method of the transformer ofFIG. 2 . - The following description is of the best-contemplated mode of carrying out the invention. This description is made for the purpose of illustrating the general principles of the invention and should not be taken in a limiting sense. The scope of the invention is best determined by reference to the appended claims.
-
FIG. 2 is a cross sectional view of atransformer 2 of an embodiment, andFIG. 3 is a schematic view showing steps of a winding method of thetransformer 2 ofFIG. 2 . - Referring to
FIG. 2 , thetransformer 2 of the embodiment includes acore 20 having afirst end 201 and asecond end 202, afirst coil 21 wound around thecore 20, asecond coil 23 wound outside thefirst coil 21, a firstinsulating layer 22 disposed between the first andsecond coils insulating layer 24 disposed outside thesecond coil 23. Thesecond coil 23 is a primary coil and thefirst coil 21 is a secondary coil. Note that the installation of the secondinsulating layer 24 is optional. In the embodiment, thecore 20 is a single slot wound core. Thefirst coil 21 wound on thecore 20 is sequentially formed by a first right-triangle area A1, a plurality of ramp areas A2, and a second right-triangle area A3. - Referring to
FIG. 3 , the first right-triangle area A1 formed by a set of layers providing a slanted surface a100 and an external layer L5 is wound by the following steps. First, a first layer L1 of the set of layers is a front layer wound in parallel along a first direction D1 along thefirst end 201 to thesecond end 202 of thecore 20. Then, a second layer L2, a next layer subsequent to the first layer L1, is wound and bent at a beginning wound position (i.e. the position of the circle No. 6) selected from a region near an end wound position (i.e. the position of the circle No. 5) of the first layer L1 (previous layer), above the circle No. 4, along a second direction D2 opposite to the first direction D1 of the first layer L1 toward thefirst end 201 of thecore 20. The rest layers of the set of layers, i.e., a third layer 3 and a fourth layer L4, and the slanted surface a100 are outwardly formed by repeating the winding sequence of the first and second layers L1 and L2. - Then, the
first coil 21 in the ramp areas A2 are wound back and forth along the slanted surface a100 of the first right-triangle area A1. A residual region is formed between the ramp areas A2 and thecore 20. Thus, thefirst coil 21 in the second right-triangle area A3 is inwardly wound opposite to the winding sequence of the first right-triangle area A1 to form the residual region. - Therefore, a
first coil 21 is wound around thecore 20 by forward winding thefirst coil 21 from thefirst end 201 of thecore 20 toward thesecond end 202 of thecore 20 as the first layer L1, backward winding thefirst coil 21 above the first layer L1 toward thefirst end 201 of thecore 20 from a position near a stop point of the first layer L1 and repeatedly performing the forward and backward winding to form a first right-triangle area A1. Then, the winding of thefirst coil 21 along the slanted surface of the first right-triangle area A1 starts from repeatedly forward winding toward thesecond end 202 of thecore 20 and then backward winding toward thefirst end 201 of thecore 20. Then, thefirst coil 21 is wound by a winding way opposite to that of the first right-triangle area A1. - As shown in
FIG. 3 , thefirst coil 21 is predetermined to be formed with five layers L1-L5. The first right-triangle area A1 is formed from a 1st circle (No. 1) to 15th circle (No. 15). The ramp areas A2 are formed from a 16th circle (No. 16) to 70th circle (No. 70). The second right-triangle area A3 is formed from a 71st circle (No. 71) to 85th circle (No. 85). The first layer L1 of the first right-triangle area A1 is wound by five circles, including the 1st circle (No. 1) to the 5th circle (No. 5) in parallel. The second layer L2 of the first right-triangle area A1 is wound by four circles, including the 6th circle (No. 6) to the 9th circle (No. 9) in parallel and toward thefirst end 201 of thecore 20, wherein the 6th circle (No. 6) is located on the 4th circle (No. 4). The third layer L3 of the first right-triangle area A1 is wound by three circles, including the 10th circle (No. 10) to the 12th circle (No. 12) in parallel and toward thesecond end 202 of thecore 20, wherein the 10th circle (No. 10) is located on the 9th circle (No. 9). The fourth layer L4 of the first right-triangle area A1 is wound by two circles, including the 13th circle (No. 13) to the 14th circle (No. 14) in parallel and toward thefirst end 201 of thecore 20, wherein the 13th circle (No. 13) is located on the 11th circle (No. 11). The fifth layer L5 of the first right-triangle area A1 is wound by one circle, i.e., the 15th circle (No. 15) in parallel and located on the 14th circle (No. 14). Thus, the first right-triangle area A1 is formed. - In the embodiment, the ramp areas A2 include eleven ramp areas, from a 1st ramp area R1 to 11th ramp area R11. For example, the first ramp area R1 is formed from the 16th circle (No. 16) to the 20th circle (No. 20), and the second ramp area R2 is formed from the 21st circle (No. 21) to the 25th circle (No. 25). The position of the circle No. 20 is defined as an end wound position of the first ramp area R1, and the position of the circle No. 21 selected near the end wound position (the position of the circle No. 20 of the first ramp area R1) is defined as a beginning wound position of the second ramp area R2. The winding direction of the second ramp area R2 is opposite to that of the first ramp area R1. Thus, the first ramp area R1 to the 11th ramp area R11 along the slanted surface a100 of the first right-triangle area A1 is formed inward to outward, thus forming the ramp areas A2.
- The second right-triangle area A3 formed from a 71st circle (No. 71) to 85th circle (No. 85) is an inverse right-triangle area or a residual region formed between the ramp areas A2 and the
second end 202 of thecore 20. Thus, using a winding method opposite to that of the first right-triangle area A1, the second right-triangle area A3 is formed. - Compared to the conventional core divided by the blocking walls into eleven slots for forming the winding with fifty-five circles, the ramp areas A2 of the embodiment, wound next to the 5th circle (No. 5), turned back and forth for eleven times, results in the same effect as the conventional core. Additionally, the first right-triangle area A1 and the second right-triangle area A3 are equilibrium to two slots. Thus, the voltage converting rate of the embodiment is superior to the conventional slotted transformer, and at least 30 percent of volume can be reduced.
- According to the above-described features of the embodiment, the circle number of each of the circles is surrounded by circles with adjacent circle numbers. Therefore, the power jump can be prevented. Moreover, the blocking walls noted in the conventional transformer can be omitted. Further, the first and second right-triangle areas of the transformer of the embodiment provide a higher efficiency than the conventional one. Thus, costs and volume of the transformer can be reduced.
- While the invention has been described by way of example and in terms of the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. To the contrary, it is intended to cover various modifications and similar arrangements (as would be apparent to those skilled in the art). Therefore, the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and similar arrangements.
Claims (14)
1. A transformer comprising:
a core comprising a first end and a second end; and
a first coil wound around the core by forward winding the first coil from the first end of the core toward the second end of the core as a first layer, backward winding the first coil above the first layer toward the first end of the core from a position near a stop point of the first layer and repeatedly performing the forward and backward winding to form a first right-triangle area; winding the first coil along a slanted surface of the first right-triangle; and winding the first coil by a winding way opposite to that of the first right-triangle area.
2. The transformer as claimed in claim 1 , wherein the winding of the first coil along the slanted surface of the first right-triangle area starts from repeatedly forward winding toward the second end of the core and then backward winding toward the first end of the core.
3. The transformer as claimed in claim 1 , further comprising a second coil wound outside the first coil.
4. The transformer as claimed in claim 3 , wherein the second coil is a primary coil, and the first coil is a secondary coil.
5. The transformer as claimed in claim 3 , further comprising a first insulating layer disposed between the first and second coils.
6. The transformer as claimed in claim 5 , further comprising a second insulating layer disposed outside the second coil.
7. The transformer as claimed in claim 1 , wherein the core comprises a single slot.
8. A coil winding method for forming a coil on a core with a first end and a second end, comprising the steps of:
forward winding the first coil from the first end of the core toward the second end of the core as a first layer, backward winding the first coil above the first layer toward the first end of the core from a position near a stop point of the first layer and repeatedly performing the forward and backward winding to form a first right-triangle area;
winding the first coil along a slanted surface of the first right-triangle; and
winding the first coil by a winding way opposite to that of the first right-triangle area.
9. The coil winding method as claimed in claim 8 , wherein the winding of the first coil along the slanted surface of the first right-triangle area starts from repeatedly forward winding toward the second end of the core and then backward winding toward the first end of the core.
10. The coil winding method as claimed in claim 8 , further comprising winding a second coil outside the first winding.
11. The coil winding method as claimed in claim 10 , wherein the second coil is a primary coil, and the first coil is a secondary coil.
12. The coil winding method as claimed in claim 10 , further comprising forming a first insulating layer between the first and second coils.
13. The coil winding method as claimed in claim 12 , further comprising forming a second insulating layer outside the second coil.
14. The coil winding method as claimed in claim 8 , wherein the core comprises a single slot.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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TW96121345 | 2007-06-13 | ||
TW096121345A TW200849290A (en) | 2007-06-13 | 2007-06-13 | Transformer and winding wound method thereof |
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US20080308662A1 true US20080308662A1 (en) | 2008-12-18 |
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US12/068,729 Abandoned US20080308662A1 (en) | 2007-06-13 | 2008-02-11 | Transformer and coil winding method thereof |
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US (1) | US20080308662A1 (en) |
JP (1) | JP2008311626A (en) |
TW (1) | TW200849290A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110199176A1 (en) * | 2010-02-17 | 2011-08-18 | Koji Tada | Electronic component, vehicle and electronic apparatus |
US10645811B2 (en) * | 2015-07-02 | 2020-05-05 | Pulse Electronics, Inc. | Inductive devices with splits and methods of making and using the same |
WO2020229523A1 (en) * | 2019-05-13 | 2020-11-19 | Omicron Electronics Gmbh | High voltage transformer, method for producing a high voltage transformer and test system and test signal device comprising a high voltage transformer |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6069873B2 (en) * | 2012-04-03 | 2017-02-01 | Tdk株式会社 | Step-up transformer |
TWI558494B (en) * | 2013-01-25 | 2016-11-21 | All Ring Tech Co Ltd | Deoxidation method and device for welding head of winding machine |
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JPH043475Y2 (en) * | 1985-11-18 | 1992-02-04 | ||
JPH02106910A (en) * | 1988-10-17 | 1990-04-19 | Kijima:Kk | Winding of electric winding component |
JP2727462B2 (en) * | 1988-12-09 | 1998-03-11 | 株式会社キジマ | Electric winding parts and winding method |
JPH01264207A (en) * | 1989-02-14 | 1989-10-20 | Kijima Musen Kk | Trigger transformer for flash discharge light-emitting device |
JPH0344908A (en) * | 1989-07-13 | 1991-02-26 | Kijima:Kk | High voltage output small-sized transformer |
JPH0334294U (en) * | 1989-08-10 | 1991-04-04 | ||
JPH0715854B2 (en) * | 1991-01-31 | 1995-02-22 | 太陽誘電株式会社 | Winding method for electric winding parts |
JPH0585023U (en) * | 1991-05-22 | 1993-11-16 | デルタ エレクトロニクス インコーポレイティド | Winding structure of transformer |
JPH06112057A (en) * | 1991-12-25 | 1994-04-22 | Sumida Denki Kk | Coil |
JPH09283342A (en) * | 1996-04-08 | 1997-10-31 | Kijima:Kk | Small-sized transformer |
JP2006332341A (en) * | 2005-05-26 | 2006-12-07 | Minebea Co Ltd | High voltage transformer |
-
2007
- 2007-06-13 TW TW096121345A patent/TW200849290A/en unknown
-
2008
- 2008-02-11 US US12/068,729 patent/US20080308662A1/en not_active Abandoned
- 2008-04-18 JP JP2008109598A patent/JP2008311626A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110199176A1 (en) * | 2010-02-17 | 2011-08-18 | Koji Tada | Electronic component, vehicle and electronic apparatus |
US8289120B2 (en) | 2010-02-17 | 2012-10-16 | Kabushiki Kaisha Toshiba | Electronic component, vehicle and electronic apparatus |
US10645811B2 (en) * | 2015-07-02 | 2020-05-05 | Pulse Electronics, Inc. | Inductive devices with splits and methods of making and using the same |
WO2020229523A1 (en) * | 2019-05-13 | 2020-11-19 | Omicron Electronics Gmbh | High voltage transformer, method for producing a high voltage transformer and test system and test signal device comprising a high voltage transformer |
AT522601A1 (en) * | 2019-05-13 | 2020-12-15 | Omicron Electronics Gmbh | High-voltage transformer, method for manufacturing a high-voltage transformer, and test system and test signal device with a high-voltage transformer |
CN113841209A (en) * | 2019-05-13 | 2021-12-24 | 欧米克朗电子仪器有限公司 | High voltage transformer, method of manufacturing a high voltage transformer, and test system and test signal device comprising a high voltage transformer |
AU2020273556B2 (en) * | 2019-05-13 | 2023-02-02 | Omicron Electronics Gmbh | High voltage transformer, method for producing a high voltage transformer and test system and test signal device comprising a high voltage transformer |
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JP2008311626A (en) | 2008-12-25 |
TW200849290A (en) | 2008-12-16 |
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Owner name: DELTA ELECTRONICS, INC., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:YANG, MAN-SHENG;REEL/FRAME:020539/0728 Effective date: 20071015 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |