KR101103604B1 - Planar transformer - Google Patents

Planar transformer Download PDF

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Publication number
KR101103604B1
KR101103604B1 KR1020100077133A KR20100077133A KR101103604B1 KR 101103604 B1 KR101103604 B1 KR 101103604B1 KR 1020100077133 A KR1020100077133 A KR 1020100077133A KR 20100077133 A KR20100077133 A KR 20100077133A KR 101103604 B1 KR101103604 B1 KR 101103604B1
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KR
South Korea
Prior art keywords
power signal
thin film
winding
film pattern
metal thin
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KR1020100077133A
Other languages
Korean (ko)
Inventor
박민수
Original Assignee
엘지이노텍 주식회사
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Priority to KR1020100077133A priority Critical patent/KR101103604B1/en
Application granted granted Critical
Publication of KR101103604B1 publication Critical patent/KR101103604B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/0006—Printed inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/003—Printed circuit coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • H01F2005/046—Details of formers and pin terminals related to mounting on printed circuits
    • 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
    • H01F27/2804—Printed windings
    • H01F2027/2814—Printed windings with only part of the coil or of the winding in the printed circuit board, e.g. the remaining coil or winding sections can be made of wires or sheets
    • 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
    • H01F27/2804—Printed windings
    • H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Dc-Dc Converters (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

PURPOSE: A planar transformer is provided to stably supply and output a power source while reducing manufacturing costs. CONSTITUTION: A core(102) is arranged in order to induce magnetic field formation. A bobbin(104) is combined with a core by a first combining part(102a1,102a2). A primary side winding part(106) comprises a metal thin film pattern layer(LP1) which includes an inductance component. A first insulation part(108) is provided in order to insulate one or more primary side winding parts. A secondary side winding part(110) comprises a metal thin film pattern layer(LP2) which includes the inductance component. A second insulation part(112) is provided in order to insulate one or more secondary side winding parts.

Description

Planar Transformer

Embodiments relate to planar transformers.

Recently, a power supply employing a Switching Mode Power Supply (SMPS) has attracted attention, and such a Switching Mode Power Supply is a metal oxide semiconductor field effect transistor (MOS FET) or a bipolar junction transistor (MOS FET). Switching devices such as BJTs (bipolar junction transistors) and transformers are used to provide stable power.

On the other hand, as home appliances are developed in the trend of light and short, the switching mode power supply is also required to be slimmer, while reducing the volume of a transformer that occupies a large volume among the circuit components constituting the switching mode power supply and manufacturing cost. Research has been conducted to reduce power consumption and provide a stable power supply and power output.

Since the planar transformer according to the embodiment may make the plane transformer slim, it is possible to make the power supply device including the plane transformer slim.

In addition, the planar transformer according to the embodiment can stably provide power supply and power output while reducing the manufacturing cost of the planar transformer.

The planar transformer according to the embodiment comprises a core provided to induce magnetic field formation; A bobbin fastened between the cores; At least one primary winding portion provided between the core and the bobbin to supply a power signal; A first insulator provided on at least one primary side winding to insulate the at least one primary side winding; At least one secondary winding portion provided on the first insulation portion and insulated by the first insulation portion, and for transforming a power signal; A second insulator provided on the at least one secondary side winding to insulate the at least one secondary side winding; A first power signal supply unit fastened to one side of the bobbin and fixed while pressing an end portion of the at least one primary winding unit, and electrically connected to the at least one primary winding unit to supply a power signal to the at least one primary winding unit; ; And fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one secondary winding, and electrically connected to the at least one secondary winding to output a power signal transformed by the at least one secondary winding. It includes a first power signal output unit.

In addition, the planar transformer according to the embodiment includes a core provided to induce magnetic field formation; A bobbin fastened between the cores; At least one primary side winding portion provided between the core and the bobbin and including a first silicon layer to insulate and supply a power signal; At least one secondary side winding portion provided in at least one primary side winding portion, insulated by the first silicon layer, and including a second silicon layer to insulate the power signal; A first power signal supply unit fastened to one side of the bobbin and fixed while pressing an end portion of the at least one primary winding unit, and electrically connected to the at least one primary winding unit to supply a power signal to the at least one primary winding unit; ; And fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one secondary winding, and electrically connected to the at least one secondary winding to output a power signal transformed by the at least one secondary winding. It includes a first power signal output unit.

Since the planar transformer according to the embodiment may make the plane transformer slim, there is an effect of making the power supply manufactured by including the plane transformer slim.

In addition, the planar transformer according to the embodiment has another effect of stably providing a power supply and a power output while reducing the manufacturing cost of the planar transformer.

1 is an exploded perspective view showing a planar transformer according to a first embodiment of the present invention.
2 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of the planar transformer according to the first embodiment of the present invention are fixed to the first power signal supply part and the second power signal supply part;
3 is a cross-sectional view illustrating a state in which a secondary winding unit and another secondary winding unit of the planar transformer according to the first embodiment of the present invention are fixed to the first power signal output unit and the second power signal output unit.
Figure 4 is an exploded perspective view showing a planar transformer according to a second embodiment of the present invention.
5 is a cross-sectional view illustrating a state in which a primary winding unit and another primary winding unit of the planar transformer according to the second embodiment of the present invention are fixed to the first power signal supply unit and the second power signal supply unit.
6 is a cross-sectional view illustrating a state in which a secondary winding unit and another secondary winding unit of the planar transformer according to the second embodiment of the present invention are fixed to the first power signal output unit and the second power signal output unit.
7 is an exploded perspective view showing a planar transformer according to a third embodiment of the present invention.
8 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of the planar transformer according to the third embodiment of the present invention are fixed to the first power signal supply part and the third power signal supply part;
9 is a cross-sectional view illustrating a state in which a secondary winding unit and another secondary winding unit of the planar transformer according to the third embodiment of the present invention are fixed to the first power signal output unit and the third power signal output unit.
10 is an exploded perspective view showing a planar transformer according to a fourth embodiment of the present invention.
FIG. 11 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of a planar transformer according to a fourth embodiment of the present invention are fixed to the first power signal supply part and the third power signal supply part; FIG.
12 is a cross-sectional view illustrating a state in which the secondary winding portion and the other secondary winding portion of the planar transformer according to the fourth exemplary embodiment of the present invention are fixed to the first power signal output portion and the third power signal output portion.

Hereinafter, with reference to the accompanying drawings will be described in detail preferred embodiments of the present invention.

<First Embodiment>

1 is an exploded perspective view showing a planar transformer according to a first embodiment of the present invention.

2 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of the planar transformer according to the first embodiment of the present invention are fixed to the first power signal supply part and the second power signal supply part.

3 is a cross-sectional view illustrating a state in which the secondary winding portion and the other secondary winding portion of the planar transformer according to the first embodiment of the present invention are fixed to the first power signal output portion and the second power signal output portion.

1 to 3, the planar transformer 100 according to the first embodiment of the present invention may include a core 102, a bobbin 104, at least one primary winding 106, and a first insulating portion ( 108, at least one secondary winding unit 110, a second insulation unit 112, a first power signal supply unit 121, a first power signal output unit 123, and the like.

The core 102 has a first fastening portion 102a 1 , 102a 2 ) and provided to induce magnetic field formation, the bobbin 104 includes a first fastening portion 102a 1 ,. 102a 2 ) to provide engagement with the core 102.

Here, the core 102 may include a lower core 102b and an upper core 102c.

At this time, the first fastening part 102a 1 , 102a 2 ) may include a first fastening protrusion 102a 1 and a first fastening groove 102a 2 .

In addition, the bobbin 104 has a first fastening portion 102a 1 ,. 102a 2 ) may include a second fastening portion 104a spaced apart from each other, and the core 102 may include a third fastening portion 102d to be fastened to the second fastening portion 104a.

In this case, the second fastening portion 104a may be provided to the second fastening hole 104a, and the third fastening portion 102d may be provided to the lower core 102b and the upper core 102c to provide a second fastening hole ( It may be provided to the third fastening protrusion 102d to be engaged with 104a).

At least one primary winding 106 is provided between the core 102 and the bobbin 104, is provided on top of the bobbin 104 and has a first fastening portion 102a 1 ,. 102a 2 ) is provided to supply a power signal.

Here, the at least one primary side winding part 106 may include a metal thin film pattern layer LP 1 having an inductance component.

In addition, the metal thin film pattern layer LP 1 having an inductance component may be provided of a metal material having a high conductivity so as to efficiently and smoothly supply a power signal supplied through the first power signal supply 121 to be described later. There is a number.

In this case, the metal thin film pattern layer LP 1 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.

The at least one primary winding 106 may be provided in at least one of a circle, an ellipse, and a polygon.

The first insulating portion 108 is provided on the at least one primary side winding portion 106, and the first fastening portion 102a 1 , 102a 2 ) is provided to insulate at least one primary winding 106.

In this case, the first insulation unit 108 may be provided as an insulating sheet, and the first insulation unit 108 may be provided in at least one of a circle, an ellipse, and a polygon.

At least one secondary winding 110 is provided on the upper portion of the first insulating portion 108, the first fastening portion (102a 1 , 102a 2 ) and insulated by the first insulator 108 and provided to transform the power signal.

Here, the at least one secondary side winding part 110 may include a metal thin film pattern layer LP 2 having an inductance component.

In addition, the metal thin film pattern layer LP 2 having an inductance component may be provided of a metal material having high conductivity, and may be provided to efficiently and smoothly output the transformed power signal through the at least one secondary winding 110. .

In this case, the metal thin film pattern layer LP 2 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.

The at least one secondary winding 110 may be provided in at least one of a circle, an ellipse, and a polygon.

The second insulation 112 is provided on the at least one secondary winding 110 and the first fastening portion 102a 1 ,. 102a 2 ) is provided to insulate at least one secondary winding 110.

In this case, the second insulating part 112 may be provided as an insulating sheet, and the second insulating part 112 may be provided in at least one shape of a circle, an ellipse, and a polygon.

In addition, the at least one secondary winding 113 may be provided between the core 102 and the bobbin 104, may be provided below the bobbin 104, and may be provided with a first fastening portion 102a 1 ,. 102a 2 ) may be provided to transform the power signal.

Here, the at least one second secondary winding 113 may include a metal thin film pattern layer LP 3 having an inductance component.

In addition, the metal thin film pattern layer LP 3 having an inductance component may be provided of a metal material having high conductivity so as to efficiently and efficiently output the power signal transformed through at least one secondary winding 113. have.

In this case, the metal thin film pattern layer LP 3 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.

The at least one other secondary winding 113 may be provided in at least one of a circle, an ellipse, and a polygon.

The third insulating portion 115 may be provided under the at least one secondary winding portion 113, and the first fastening portion 102a 1 ,. 102a 2 ) may be provided to insulate at least one other secondary winding 113.

In this case, the third insulation portion 115 may be provided as an insulating sheet, and the third insulation portion 115 may be provided in at least one of a circle, an ellipse, and a polygon.

At least one other primary side winding part 117 may be provided under the third insulating part 115, and the first fastening part 102a 1 ,. 102a 2 ) and may be insulated by the third insulator 115 and provided to supply a power signal.

Here, at least one other primary side winding part 117 may include a metal thin film pattern layer LP 4 having an inductance component.

In addition, the metal thin film pattern layer LP 4 having an inductance component may be provided of a metal material having high conductivity so as to efficiently and smoothly supply a power signal supplied through the second power signal supply 127 to be described later. There is a number.

In this case, the metal thin film pattern layer LP 4 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.

The at least one primary winding unit 117 may be provided in at least one of a circle, an ellipse, and a polygon.

The fourth insulating part 119 may be provided under the at least one primary winding part 117, and the first fastening part 102a 1 ,. 102a 2 ) may be provided to insulate at least one other primary winding 117.

In this case, the fourth insulation unit 119 may be provided as an insulating sheet, and the fourth insulation unit 119 may be provided in at least one of a circle, an ellipse, and a polygon.

The first power signal supply unit 121 is fastened to one side of the bobbin 104 and is fixed while pressing an end portion of the at least one primary winding unit 106, and is electrically connected to the at least one primary winding unit 106. Connected to provide a power signal to at least one primary winding 106.

Here, the first power signal supply unit 121 may be provided to press and fix at least two of the end portions of the at least one primary side winding unit 106.

In this case, the first power signal supply unit 121 may be provided including a metal material having high conductivity, and the first power signal supply unit 121 may be provided as a terminal terminal.

The first power signal output unit 123 is fastened to the other side of the bobbin 104 and is fixed while pressing the end portion of the at least one secondary winding unit 110, and is electrically connected to the at least one secondary winding unit 110. Is provided to output a power signal transformed by at least one secondary winding 110.

Here, the first power signal output unit 123 may be provided to press and fix at least two of the end portions of the at least one secondary winding unit 110.

In this case, the first power signal output unit 123 may include a metal material having high conductivity, and the first power signal output unit 123 may be provided as a terminal terminal.

In addition, the second power signal output unit 125 may be fastened to the other side of the bobbin 104 and may be fixed while pressing at least an end portion of the at least one secondary winding unit 113. The secondary winding unit 113 may be electrically connected to and may be provided to output a power signal transformed by at least one secondary winding unit 113.

Here, the second power signal output unit 125 may be provided to press and fix at least two of the end portions of the at least one secondary winding unit 113.

In this case, the second power signal output unit 125 may include a metal material having high conductivity, and the second power signal output unit 125 may be provided as a terminal terminal.

In addition, the second power signal supply unit 127 may be fastened to the other side of the bobbin 104 and may be fixed while pressing at least one end portion of the other primary winding unit 117, and at least one other It may be electrically connected with the secondary winding 117 to provide a power signal to at least one other primary winding 117.

Here, the second power signal supply unit 127 may be provided to press and fix at least two of the end portions of the at least one primary winding unit 117.

In this case, the second power signal supply unit 127 may be provided including a metal material having high conductivity, and the second power signal supply unit 127 may be provided as a terminal terminal.

As such, the planar transformer 100 according to the first embodiment of the present invention includes a core 102, a bobbin 104, at least one primary winding 106, a first insulation 108, and at least one The secondary winding unit 110, the second insulation unit 112, the first power signal supply unit 121, and the first power signal output unit 123 may be included.

In addition, the planar transformer 100 according to the first exemplary embodiment of the present invention may include at least one secondary winding 113, a third insulation 115, at least one primary winding 117, and the other. 4 may include an insulation unit 119, a second power signal supply unit 127, a second power signal output unit 125, and the like.

Therefore, the planar transformer 100 according to the first embodiment of the present invention can manufacture the planar transformer 100 in a slim manner, and thus, the power supply device (not shown) manufactured including the planar transformer 100 can be manufactured in a slim manner. It becomes the number.

In addition, the planar transformer 100 according to the first exemplary embodiment of the present invention may reduce the manufacturing cost of the planar transformer 100 while reducing the first power signal supply unit 121, the first power signal output unit 123, and the second power source. Through the signal supply unit 127 and the second power signal output unit 125, the power supply and the power output can be stably provided.

&Lt; Embodiment 2 >

4 is an exploded perspective view of a planar transformer according to a second exemplary embodiment of the present invention.

FIG. 5 is a cross-sectional view illustrating a state in which a primary winding unit and another primary winding unit of the planar transformer according to the second embodiment of the present invention are fixed to the first power signal supply unit and the second power signal supply unit.

FIG. 6 is a cross-sectional view illustrating a state in which the secondary winding and the other secondary winding of the planar transformer according to the second embodiment of the present invention are fixed to the first power signal output unit and the second power signal output unit.

4 to 6, the planar transformer 400 according to the second exemplary embodiment of the present invention may include a core 402, a bobbin 404, at least one primary side winding part 406, and a first insulating part ( 408, at least one secondary winding unit 410, a second insulation unit 412, a first power signal supply unit 421, a first power signal output unit 423, and the like.

The core 402 has a first fastening portion 402a 1 ,. 402a 2 ) and provided to induce magnetic field formation, the bobbin 10904 includes a first fastening portion 402a 1 ,. 402a 2 ) to provide engagement with the core 402.

Here, the core 402 may include a lower core 402b and an upper core 402c.

At this time, the first fastening part 402a 1 , 402a 2 may include a first fastening protrusion 402a 1 and a first fastening groove 402a 2 .

In addition, the bobbin 404 is the first fastening portion 402a 1 , The second fastening part 404a may be spaced apart from the 402a 2 , and the core 402 may include a third fastening part 402d to be fastened to the second fastening part 404a.

In this case, the second fastening portion 404a may be provided as the second fastening hole 404a, and the third fastening portion 402d may be provided in the lower core 402b and the upper core 402c to provide a second fastening hole ( The third fastening protrusion 402d may be provided to be engaged with the 404a.

At least one primary winding 406 is provided between the core 402 and the bobbin 404, is provided on top of the bobbin 404 and the first fastening portion 402a 1 , 402a 2 ) to provide a power signal.

In this case, the at least one primary side winding part 406 may include the metal thin film pattern layers LP 5 and LP 6 having at least two inductance components, and the metal thin film pattern layers LP 5 and LP 6 having at least two inductance components. ) May include at least one primary side insulating layer (IP 1 ) provided between the metal insulating layer (LP 5 , LP 6 ) having at least two inductance components.

In addition, the metal thin film pattern layers LP 5 and LP 6 having at least two inductance components may be made of a high conductive metal material to efficiently supply power signals supplied through the first power signal supply 421 to be described later. It can be provided to supply smoothly.

In this case, the metal thin film pattern layers LP 5 and LP 6 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.

The at least one primary side winding 406 may be provided in at least one of a circle, an ellipse, and a polygon.

The first insulating part 408 is provided on the at least one primary side winding part 406, and the first fastening part 402a 1 ,. 402a 2 ) is provided to insulate at least one primary winding 406.

In this case, the first insulation portion 408 may be provided as an insulating sheet, and the first insulation portion 408 may be provided in at least one of a circle, an ellipse, and a polygon.

At least one secondary side winding part 410 is provided on the first insulating part 408, and the first fastening part 402a 1 ,. 402a 2 ) and insulated by the first insulator 408 and provided to transform the power signal.

In this case, the at least one secondary side winding part 410 includes a metal thin film pattern layer LP 7 and LP 8 having at least two inductance components and a metal thin film pattern layer LP 7 and LP 8 having at least two inductance components. ) May include at least one secondary side insulating layer IP 2 provided between the two layers to insulate the metal thin film pattern layers LP 7 and LP 8 having at least two inductance components.

In addition, the metal thin film pattern layers LP 7 and LP 8 having at least two inductance components may be made of a metal having high conductivity to efficiently and smoothly transform the power signal transformed through the at least one secondary winding 410. Can be provided to output.

In this case, the metal thin film pattern layers LP 7 and LP 8 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.

The at least one secondary side winding part 410 may be provided in at least one of a circle, an ellipse, and a polygon.

The second insulating part 412 is provided on the at least one secondary winding part 410, and the first fastening part 402a 1 ,. 402a 2 ) is provided to insulate at least one secondary winding 410.

In this case, the second insulation portion 412 may be provided as an insulating sheet, and the second insulation portion 412 may be provided in at least one of a circle, an ellipse, and a polygon.

At least one other secondary winding 413 may be provided between the core 402 and the bobbin 404, may be provided below the bobbin 404, and the first fastening portion 402a 1 ,. 402a 2 ) may be provided to transform the power signal.

In this case, the at least one second secondary winding 413 may include the metal thin film pattern layers LP 9 and LP 10 having at least two inductance components, and the metal thin film pattern layers LP 9 and LP having at least two inductance components. 10 ) and at least one secondary side insulating layer IP 3 provided between the metal thin film pattern layers LP 9 and LP 10 having at least two inductance components.

In addition, the metal thin film pattern layers LP 9 and LP 10 having at least two inductance components may be formed of a metal material having high conductivity. The at least one secondary winding unit 413 may be provided to efficiently and smoothly output the transformed power signal.

In this case, the metal thin film pattern layers LP 9 and LP 10 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.

The at least one other secondary winding 413 may be provided in at least one of a circle, an ellipse, and a polygon.

The third insulation portion 415 may be provided under the at least one secondary winding portion 413, and the first fastening portion 402a 1 ,. 402a 2 ) may be provided to insulate at least one other secondary winding 413.

In this case, the third insulation portion 415 may be provided as an insulating sheet, and the third insulation portion 415 may be provided in at least one of a circle, an ellipse, and a polygon.

At least one other primary side winding part 417 may be provided under the third insulating part 415, and the first fastening part 402a 1 ,. 402a 2 ) and may be insulated by the third insulator 415 and provided to supply a power signal.

In this case, the at least one primary winding unit 417 may include the metal thin film pattern layers LP 11 and LP 12 having at least two inductance components, and the metal thin film pattern layers LP 11 and LP having at least two inductance components. 12 ) and at least one other primary side insulating layer IP 4 provided between the metal thin film pattern layers LP 11 and LP 12 having at least two inductance components.

In addition, the metal thin film pattern layers LP 11 and LP 12 having at least two inductance components may be made of a high conductive metal material to efficiently supply a power signal supplied through the second power signal supply 427 to be described later. It can be provided to supply smoothly.

In this case, the metal thin film pattern layers LP 11 and LP 12 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.

The at least one primary winding unit 417 may be provided in at least one of a circle, an ellipse, and a polygon.

The fourth insulating part 419 may be provided under the at least one primary winding part 417 and the first fastening part 402a 1 ,. 402a 2 ) may be provided to insulate at least one other primary winding 417.

In this case, the fourth insulation unit 419 may be provided as an insulating sheet, and the fourth insulation unit 419 may be provided in at least one of a circle, an ellipse, and a polygon.

The first power signal supply unit 421 is fastened to one side of the bobbin 404 and is fixed while pressing an end portion of the at least one primary winding unit 406, and is electrically connected to the at least one primary winding unit 406. Connected to provide a power signal to at least one primary winding 406.

Here, the first power signal supply unit 421 may be provided to press and fix at least two of the end portions of the at least one primary side winding unit 406.

In this case, the first power signal supply unit 421 may include a metal material having high conductivity, and the first power signal supply unit 421 may be provided as a terminal terminal.

The first power signal output unit 423 is fastened to the other side of the bobbin 404 and is fixed while pressing an end portion of the at least one secondary winding unit 410, and is electrically connected to the at least one secondary winding unit 410. Is connected to and provided to output the power signal transformed by the at least one secondary winding unit 410.

Here, the first power signal output unit 423 may be provided to press and fix at least two of the end portions of the at least one secondary winding unit 410.

In this case, the first power signal output unit 423 may include a metal material having high conductivity, and the first power signal output unit 423 may be provided as a terminal terminal.

In addition, the second power signal output unit 425 may be fastened to the other side of the bobbin 404 and may be fixed while pressing at least one end portion of the at least one secondary winding unit 413, and at least the other The secondary winding unit 413 may be electrically connected to and may be provided to output a power signal transformed by at least one secondary winding unit 413.

Here, the second power signal output unit 425 may be provided to press and fix at least two of end portions of the at least one secondary winding unit 413.

In this case, the second power signal output unit 425 may include a metal material having high conductivity, and the second power signal output unit 425 may be provided as a terminal terminal.

In addition, the second power signal supply unit 427 may be fastened to the other side of the bobbin 404 and may be fixed while pressing at least one end portion of the other primary winding unit 417, and at least one other It may be electrically connected with the secondary winding 417 to provide a power signal to at least one other primary winding 417.

Here, the second power signal supply unit 427 may be provided to press and fix at least two of the end portions of the at least one primary winding unit 417.

In this case, the second power signal supply unit 427 may be provided including a metal material having high conductivity, and the second power signal supply unit 427 may be provided as a terminal terminal.

As such, the planar transformer 400 according to the second embodiment of the present invention includes a core 402, a bobbin 404, at least one primary winding 406, a first insulation 408, and at least one The secondary winding unit 410, the second insulation unit 412, the first power signal supply unit 421, and the first power signal output unit 423 may be included.

In addition, the planar transformer 400 according to the second exemplary embodiment of the present invention may include at least one secondary winding 413, a third insulation 415, at least another primary winding 417, and a second transformer. 4 may include an insulation unit 419, a second power signal supply unit 427, a second power signal output unit 425, and the like.

Therefore, the planar transformer 400 according to the second embodiment of the present invention can manufacture the plane transformer 400 slim, and thus, the power supply device (not shown) manufactured including the planar transformer 400 can be manufactured slim. It becomes the number.

In addition, the planar transformer 400 according to the second exemplary embodiment of the present invention may reduce the manufacturing cost of the planar transformer 400, while the first power signal supply unit 421, the first power signal output unit 423, and the second power source may be reduced. Through the signal supply unit 427, the second power signal output unit 425, and the like, the power supply and the power output can be stably provided.

Third Embodiment

7 is an exploded perspective view showing a planar transformer according to a third embodiment of the present invention.

8 is a cross-sectional view illustrating a state in which a primary winding unit and another primary winding unit of the planar transformer according to the third exemplary embodiment of the present invention are fixed to the first power signal supply unit and the third power signal supply unit.

9 is a cross-sectional view illustrating a state in which a secondary side winding portion and the other secondary side winding portion of the planar transformer according to the third embodiment of the present invention are fixed to the first power signal output portion and the third power signal output portion.

7 to 9, a planar transformer 700 according to a third exemplary embodiment of the present invention may include a core 702, a bobbin 704, at least one primary winding 706, and a first insulating part ( 708, at least one secondary winding 710, a second insulation 712, a first power signal supply 721, a first power signal output 723, and the like.

The core 702 includes first fastenings 702a 1 , 702a 2 and is provided to induce magnetic field formation, and the bobbin 704 is connected with the core 702 by the first fastenings 702a 1 , 702a 2 . It is provided to be fastened.

Here, the core 702 may include a lower core 702b and an upper core 702c.

In this case, the first fastening parts 702a 1 and 702a 2 may include a first fastening protrusion 702a 1 and a first fastening groove 702a 2 .

In addition, the bobbin 704 may include a second fastening portion 704a spaced apart from the first fastening portions 702a 1 , 702a 2 , and the core 702 may be fastened to the second fastening portion 704a. It may include three fastening portions 702d.

In this case, the second fastening part 704a may be provided as the second fastening hole 704a, and the third fastening part 702d may be provided to the lower core 702b and the upper core 702c to provide a second fastening hole ( It may be provided to the third fastening protrusion 702d to be engaged with the 704a.

At least one primary winding 706 is provided between the core 702 and the bobbin 704, is provided on top of the bobbin 704, and is fastened to the first fastening portions 702a 1 , 702a 2 , and One silicon layer 706a is provided to provide a power signal while insulated.

Here, the at least one primary side winding part 706 may include a metal thin film pattern layer LP 13 having an inductance component.

In addition, the metal thin film pattern layer LP 13 having an inductance component may be provided of a metal material having high conductivity so as to efficiently and smoothly supply a power signal supplied through the first power signal supply unit 721 to be described later. There is a number.

In this case, the metal thin film pattern layer LP 13 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.

The at least one primary winding 706 may be provided in at least one of a circle, an ellipse, and a polygon.

The first silicon layer 706a is provided on the metal thin film pattern layer LP 13 having an inductance component and is fastened to the first fastening portions 702a 1 and 702a 2 to have a metal thin film pattern layer LP having an inductance component. 13 ) is provided to insulate.

In this case, the first silicon layer 706a may be formed by spraying with insulating silicon, and the first silicon layer 706a may be provided in at least one of a circle, an ellipse, and a polygon, and the first silicon layer 706a. ) May be provided including a heat resistant silicon layer.

At least one secondary winding 710 is provided on top of the first silicon layer 706a, is fastened with the first fastening portions 702a 1 , 702a 2 , and is insulated by the first silicon layer 706a, and 2 silicon layer 710a is provided to transform the power signal while insulated.

Here, the at least one secondary side winding part 710 may include a metal thin film pattern layer LP 14 having an inductance component.

In addition, the metal thin film pattern layer LP 14 having an inductance component may be provided of a metal material having high conductivity, and may be provided to efficiently and efficiently output the power signal transformed through the at least one secondary winding 710. .

In this case, the metal thin film pattern layer LP 14 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.

The at least one secondary winding 710 may be provided in at least one of a circle, an ellipse, and a polygon.

The second silicon layer 710a is provided on the metal thin film pattern layer LP 14 having an inductance component and is fastened to the first fastening portions 702a 1 and 702a 2 to have a metal thin film pattern layer LP having an inductance component. 14 ) to provide insulation.

In this case, the second silicon layer 710a may be formed by spraying with insulating silicon, and the second silicon layer 710a may be provided in at least one of a circle, an ellipse, and a polygon, and the second silicon layer 710a may be formed. ) May be provided including a heat resistant silicon layer.

At least one other secondary winding 713 may be provided between the core 702 and the bobbin 704, may be provided below the bobbin 704, and the first fastening portions 702a 1 , 702a 2. ) And may be provided to transform the power signal while insulated including the third silicon layer 713a.

Here, the at least one second secondary winding 713 may include a metal thin film pattern layer LP 15 having an inductance component.

In addition, the metal thin film pattern layer LP 15 having an inductance component may be provided of a metal having a high conductivity, so that the metal thin film pattern layer LP 15 may be provided to efficiently and efficiently output the power signal transformed through at least one secondary winding 713. have.

In this case, the metal thin film pattern layer LP 15 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.

The at least one other secondary winding 713 may be provided in at least one of a circle, an ellipse, and a polygon.

The third silicon layer 713a may be provided under the metal thin film pattern layer LP 15 having the inductance component, and may be fastened to the first fastening portions 702a 1 and 702a 2 to have the metal thin film pattern layer having the inductance component. LP 15 is provided to insulate.

In this case, the third silicon layer 713a may be formed by spraying with insulating silicon, and the third silicon layer 713a may be provided in at least one of a circle, an ellipse, and a polygon, and the third silicon layer 713a. ) May be provided including a heat resistant silicon layer.

At least one other primary side winding part 717 may be provided under the third silicon layer 713a, may be fastened with the first fastening parts 702a 1 , 702a 2 , and the third silicon layer 713a. It may be insulated by and may be provided to supply a power signal while insulated including the fourth silicon layer 717a.

Here, at least one other primary side winding part 717 may include a metal thin film pattern layer LP 16 having an inductance component.

In addition, the metal thin film pattern layer LP 16 having an inductance component may be provided of a metal material having high conductivity, so as to efficiently and smoothly supply a power signal supplied through the third power signal supply unit 728 to be described later. There is a number.

In this case, the metal thin film pattern layer LP 16 having an inductance component may be formed by at least one of a photolithography method using a photo mask and an etching solution or an injection method using a compression press. There is a number.

The at least one other primary winding 717 may be provided in at least one of a circle, an ellipse, and a polygon.

The fourth silicon layer 717a may be provided under the metal thin film pattern layer LP 16 having the inductance component, and may be fastened to the first fastening portions 702a 1 and 702a 2 to have the metal thin film pattern layer having the inductance component. LP 16 may be provided to insulate.

In this case, the fourth silicon layer 717a may be formed by spraying with insulating silicon, and the fourth silicon layer 717a may be provided in at least one of a circle, an ellipse, and a polygon, and the fourth silicon layer 717a. ) May be provided including a heat resistant silicon layer.

The first power signal supply unit 721 is fastened to one side of the bobbin 704 and is fixed while pressing an end portion of the at least one primary winding unit 706, and is electrically connected to the at least one primary winding unit 706. Connected to provide a power signal to at least one primary winding 706.

Here, the first power signal supply unit 721 may be provided to press and fix at least two of the end portions of the at least one primary side winding unit 706.

In this case, the first power signal supply unit 721 may be provided including a metal material having high conductivity, and the first power signal supply unit 721 may be provided as a terminal terminal.

The first power signal output unit 723 is fastened to the other side of the bobbin 704 and is fixed while pressing an end portion of the at least one secondary winding unit 710, and is electrically connected to the at least one secondary winding unit 710. Is provided to output a power signal transformed by the at least one secondary winding unit 710.

Here, the first power signal output unit 723 may be provided to press and fix at least two of the end portions of the at least one secondary winding unit 710.

In this case, the first power signal output unit 723 may include a metal material having high conductivity, and the first power signal output unit 723 may be provided as a terminal terminal.

In addition, the third power signal output unit 726 may be fastened to the other side of the bobbin 704 and may be fixed while pressing at least one end portion of the at least one secondary winding unit 713, and at least the other The secondary winding unit 713 may be electrically connected to the secondary winding unit 713, and may be provided to output a power signal transformed by at least one secondary winding unit 713.

Here, the third power signal output unit 726 may be provided to press and fix at least two of the end portions of the at least one secondary winding unit 713.

In this case, the third power signal output unit 726 may include a metal material having high conductivity, and the third power signal output unit 726 may be provided as a terminal terminal.

In addition, the third power signal supply unit 728 may be fastened to the other side of the bobbin 704 and may be fixed while pressing the end portion of the at least one primary winding unit 717 and at least one other It may be electrically connected with the secondary winding 717 to provide a power signal to at least one other primary winding 717.

Here, the third power signal supply unit 728 may be provided to press and fix at least two of the end portions of the at least one primary winding unit 717.

In this case, the third power signal supply unit 728 may be provided including a metal material having high conductivity, and the third power signal supply unit 728 may be provided as a terminal terminal.

As described above, the planar transformer 700 according to the third embodiment of the present invention may include a core 702, a bobbin 704, at least one primary winding 706, a first insulation 708, and at least one The secondary winding unit 710, the second insulation unit 712, the first power signal supply unit 721, and the first power signal output unit 723 are included.

In addition, the planar transformer 700 according to the third embodiment of the present invention may include at least one secondary winding 713, the third insulation 715, the at least one primary winding 717, and the other. 4 may include an insulator 719, a third power signal supply unit 728, a third power signal output unit 726, and the like.

Therefore, the planar transformer 700 according to the third embodiment of the present invention can manufacture the plane transformer 700 slim, and thus, the power supply device (not shown) including the planar transformer 700 can be manufactured slim. It becomes the number.

In addition, the planar transformer 700 according to the third embodiment of the present invention may reduce the manufacturing cost of the planar transformer 700 while reducing the cost of the first power signal supply unit 721, the first power signal output unit 723, and the third power source. Through the signal supply unit 728, the third power signal output unit 726, and the like, the power supply and the power output can be stably provided.

<Fourth Embodiment>

10 is an exploded perspective view showing a planar transformer according to a fourth embodiment of the present invention.

FIG. 11 is a cross-sectional view illustrating a state in which a primary side winding part and the other primary side winding part of the planar transformer according to the fourth exemplary embodiment are fixed to the first power signal supply part and the third power signal supply part.

12 is a cross-sectional view illustrating a state in which a secondary side winding part and the other secondary side winding part of the planar transformer according to the fourth exemplary embodiment are fixed to the first power signal output part and the third power signal output part.

10 to 12, a planar transformer 1000 according to a fourth exemplary embodiment of the present invention may include a core 1002, a bobbin 1004, at least one primary winding 1006, and a first insulation unit ( 1008, at least one secondary winding 1010, a second insulation 1012, a first power signal supply 1021, a first power signal output 1023, and the like.

The core 1002 has a first fastening portion 1002a 1 , 1002a 2 ) and provided to induce magnetic field formation, the bobbin 1004 includes a first fastening portion 1002a 1 ,. 1002a 2 ) to provide engagement with the core 1002.

Here, the core 1002 may include a lower core 1002b and an upper core 1002c.

At this time, the first fastening portion 1002a 1 , 1002a 2 ) may include a first fastening protrusion 1002a 1 and a first fastening groove 1002a 2 .

In addition, the bobbin 1004 has a first fastening portion 1002a 1 ,. And may contain 1002a 2) and a spaced second fastening portions (1004a), the core 1002 can comprise a third locking part (1002d) to be locked with the second locking part (1004a).

In this case, the second fastening part 1004a may be provided as the second fastening hole 1004a, and the third fastening part 1002d may be provided to the lower core 1002b and the upper core 1002c to provide a second fastening hole ( It may be provided as a third fastening protrusion 1002d to be engaged with 1004a).

At least one primary side winding portion 1006 is provided between the core 1002 and the bobbin 1004, is provided on top of the bobbin 1004 and has a first fastening portion 1002a 1 ,. 1002a 2 ) and provided with a first silicon layer 1006a to insulate and provide a power signal.

Here, the at least one primary side winding portion 1006 may include the metal thin film pattern layers LP 17 and LP 18 having at least two inductance components, and the metal thin film pattern layers LP 17 and LP 18 having at least two inductance components. ) May include at least one primary side silicon layer (IP 5 ) provided between the insulator to insulate the metal thin film pattern layers (LP 17 , LP 18 ) having at least two inductance components.

In this case, at least one primary side silicon layer IP 5 may be provided including a heat resistant silicon layer.

In addition, the metal thin film pattern layers LP 17 and LP 18 having at least two inductance components may be made of a high conductive metal material to efficiently supply a power signal supplied through the first power signal supply 1021 to be described later. It can be provided to supply smoothly.

In this case, the metal thin film pattern layers LP 17 and LP 18 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.

The at least one primary side winding portion 1006 may be provided in at least one of a circle, an ellipse, and a polygon.

The first silicon layer 1006a is provided on the metal thin film pattern layer LP 18 having at least two inductance components, and the first fastening portions 1002a 1 ,. 1002a 2 ) is provided to insulate the metal thin film pattern layer LP 18 having at least two inductance components.

In this case, the first silicon layer 1006a may be formed by spraying with insulating silicon, and the first silicon layer 1006a may be provided in at least one of a circle, an ellipse, and a polygon, and the first silicon layer 1006a. ) May be provided including a heat resistant silicon layer.

At least one secondary side winding portion 1010 is provided on an upper portion of the first silicon layer 1006a and includes a first fastening portion 1002a 1 ,. Fastening 1002a and 2) and is provided to the power transformer signal while insulation, including a first silicon layer (1006a) and a second silicon layer (1010a) is isolated by.

The at least one secondary side winding part 1010 may include at least one metal thin film pattern layer LP 19 and LP 20 having at least two inductance components, and at least two metal thin film pattern layers LP 19 and LP 20 having at least two inductance components. ) May include at least one secondary silicon (IP 6 ) that is provided between and insulates the metal thin film pattern layers (LP 19 , LP 20 ) having at least two inductance components.

In this case, at least one secondary side silicon IP 6 may be provided including a heat resistant silicon layer.

In addition, the metal thin film pattern layers LP 19 and LP 20 having at least two inductance components may be made of a metal having high conductivity to efficiently and smoothly transform the power signal transformed through the at least one secondary winding 1010. Can be provided to output.

In this case, the metal thin film pattern layers LP 19 and LP 20 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.

The at least one secondary winding 1010 may be provided in at least one of a circle, an ellipse, and a polygon.

The second silicon layer 1010a is provided on the metal thin film pattern layer LP 20 having at least two inductance components, and the first fastening portion 1002a 1 ,. 1002a 2 ) is provided to insulate the metal thin film pattern layer LP 20 having at least two inductance components.

In this case, the second silicon layer 1010a may be formed by spraying with insulating silicon, and the second silicon layer 1010a may be provided in at least one of a circle, an ellipse, and a polygon, and the second silicon layer 1010a may be formed. ) May be provided including a heat resistant silicon layer.

At least one other secondary winding 1013 may be provided between the core 1002 and the bobbin 1004, may be provided below the bobbin 1004, and may include the first fastening portion 1002a 1 ,. 1002a 2 ) and may include a third silicon layer 1013a to provide insulation to transform the power supply signal.

Here, the at least one other secondary winding part 1013 may include the metal thin film pattern layers LP 21 and LP 22 having at least two inductance components, and the metal thin film pattern layers LP 21 and LP having at least two inductance components. 22 ) may include at least one secondary side silicon layer IP 7 provided between the layers to insulate the metal thin film pattern layers LP 21 and LP 22 having at least two inductance components.

In this case, at least one secondary side silicon layer IP 7 may be provided including a heat resistant silicon layer.

In addition, the metal thin film pattern layers LP 21 and LP 22 having at least two inductance components may be made of a metal having high conductivity. It may be provided to efficiently and smoothly output the power signal transformed through the at least one secondary winding portion 1013.

In this case, the metal thin film pattern layers LP 21 and LP 22 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.

The at least one other secondary winding 1013 may be provided in at least one of a circle, an ellipse, and a polygon.

The third silicon layer 1013a may be provided under the metal thin film pattern layer LP 22 having at least two inductance components, and the first fastening portion 1002a 1 ,. 1002a 2 ) is provided to insulate the metal thin film pattern layer LP 22 having at least two inductance components.

In this case, the third silicon layer 1013a may be formed by spraying with insulating silicon, and the third silicon layer 1013a may be provided in at least one of a circle, an ellipse, and a polygon, and the third silicon layer 1013a. ) May be provided including a heat resistant silicon layer.

At least one other primary side winding portion 1017 may be provided under the third silicon layer 1013a, and the first fastening portion 1002a 1 ,. 1002a 2 ), may be insulated by the third silicon layer 1013a, and may be provided to supply a power signal while insulated including the fourth silicon layer 1017a.

Here, the at least one other primary winding part 1017 may include the metal thin film pattern layers LP 23 and LP 24 having at least two inductance components, and the metal thin film pattern layers LP 23 and LP having at least two inductance components. 24 may include at least one other primary side silicon layer IP 8 provided between the layers to insulate the metal thin film pattern layers LP 23 and LP 24 having at least two inductance components.

In this case, at least one other primary side silicon layer IP 8 may be provided including a heat resistant silicon layer.

In addition, the metal thin film pattern layers LP 23 and LP 24 having at least two inductance components may be made of a high conductive metal material to efficiently supply a power signal supplied through the third power signal supply unit 1028 to be described later. It can be provided to supply smoothly.

In this case, the metal thin film pattern layers LP 23 and LP 24 having at least two inductance components may include at least one of a photo lithography method using a photo mask and an etching solution or an injection method using a compression press. It can be formed by one method.

The at least one other primary winding 1017 may be provided in at least one of a circle, an ellipse, and a polygon.

The fourth silicon layer 1017a may be provided under the metal thin film pattern layer LP 24 having at least two inductance components, and the first fastening portion 1002a 1 ,. 1002a 2 ) may be provided to insulate the metal thin film pattern layer LP 24 having at least two inductance components.

In this case, the fourth silicon layer 1017a may be formed by spraying with insulating silicon, and the fourth silicon layer 1017a may be provided in at least one of a circle, an ellipse, and a polygon, and the fourth silicon layer 1017a. ) May be provided including a heat resistant silicon layer.

The first power signal supply part 1021 is fastened to one side of the bobbin 1004 and is fixed while pressing the end portion of the at least one primary side winding part 1006, and is electrically connected to the at least one primary side winding part 1006. Connected to provide a power signal to at least one primary winding 1006.

Here, the first power signal supply unit 1021 may be provided to press and fix at least two of the end portions of the at least one primary side winding unit 1006.

In this case, the first power signal supply unit 1021 may be provided including a metal material having high conductivity, and the first power signal supply unit 1021 may be provided as a terminal terminal.

The first power signal output unit 1023 is fastened to the other side of the bobbin 1004 and fixed while pressing the end portion of the at least one secondary winding unit 1010 and electrically connected to the at least one secondary winding unit 1010. Is provided to output a power signal transformed by the at least one secondary winding 1010.

Here, the first power signal output unit 1023 may be provided to press and fix at least two of the end portions of the at least one secondary winding unit 1010.

In this case, the first power signal output unit 1023 may include a metal material having high conductivity, and the first power signal output unit 1023 may be provided as a terminal terminal.

In addition, the third power signal output unit 1026 may be fastened to the other side of the bobbin 1004, and may be fixed while pressing at least one end portion of the at least one secondary winding unit 1013, and at least the other It may be provided to be electrically connected to the secondary winding 1013 and output the power signal transformed by at least one secondary winding 1010.

Here, the third power signal output unit 1026 may be provided to press and fix at least two of the end portions of the at least one secondary winding unit 1013.

In this case, the third power signal output unit 1026 may include a metal material having high conductivity, and the third power signal output unit 1026 may be provided as a terminal terminal.

In addition, the third power signal supply unit 1028 may be fastened to the other side of the bobbin 1004 and may be fixed while pressing at least one end portion of the other primary winding unit 1017, and at least one other 1 It may be electrically connected with the secondary winding 1017 to provide a power signal to at least one other primary winding 1017.

Here, the third power signal supply unit 1028 may be provided to press and fix at least two of the end portions of the at least one primary winding unit 1017.

In this case, the third power signal supply unit 1028 may be provided including a metal material having high conductivity, and the third power signal supply unit 1028 may be provided as a terminal terminal.

As described above, the planar transformer 1000 according to the third embodiment of the present invention may include a core 1002, a bobbin 1004, at least one primary winding 1006, a first insulation 1008, and at least one And a secondary winding unit 1010, a second insulation unit 1012, a first power signal supply unit 1021, a first power signal output unit 1023, and the like.

In addition, the planar transformer 1000 according to the third embodiment of the present invention may include at least one secondary winding portion 1013, a third insulation portion 1015, at least one primary winding portion 1017, and a second winding. 4 may include an insulator 1019, a third power signal supply unit 1028, a third power signal output unit 1026, and the like.

Therefore, the planar transformer 1000 according to the third embodiment of the present invention can manufacture the planar transformer 1000 in a slim manner, so that the power supply device (not shown) manufactured including the planar transformer 1000 can be manufactured in a slim manner. It becomes the number.

In addition, the planar transformer 1000 according to the third embodiment of the present invention may reduce the manufacturing cost of the planar transformer 1000, while reducing the cost of manufacturing the planar transformer 1000, the first power signal supply unit 1021, the first power signal output unit 1023, and the third power source. Through the signal supply unit 1028 and the third power signal output unit 1026, the power supply and the power output can be stably provided.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the appended claims rather than the foregoing description, and the meaning and scope of the claims and All changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

100, 400, 700, 1000: Planar Transformer 102, 402, 702, 1002: Core
102a 1 , 102a 2 , 402a 1 , 402a 2 : first fastening portion
702a 1 , 702a 2 , 1002a 1 , 1002a 2 : first fastening portion
102b, 402b, 702b, 1002b: lower core
102c, 402c, 702c, 1002c: upper core
102d, 402d, 702d, 1002d: Third fastening portion 104, 404, 704, 1004: Bobbin
104a, 404a, 704a, 1004a: second fastening portion
106, 406, 706, 1006: one primary winding
108, 408, 708, 1008: first insulation
110, 410, 710, 1010: one secondary winding
112, 412, 712, 1012: second insulation
113, 413, 713, 1013: the other secondary winding
115, 415, 715, 1015: third insulation
117, 417, 717, 1017: the other primary winding
119, 419, 719, 1019: fourth insulation
121, 421, 721, and 1021: first power signal supply unit
123, 423, 723, 1023: first power signal output unit
125, 425: second power signal output section
127 and 427: second power signal supply unit 706a and 1006a: first silicon layer
710a, 1010a: second silicon layer 713a, 1013a: third silicon layer
717a and 1017a: fourth silicon layer
726 and 1026: third power signal output unit
728 and 1028: third power signal supply unit

Claims (81)

A core provided to induce magnetic field formation;
A bobbin fastened between the cores;
At least one primary winding unit provided between the core and the bobbin to supply a power signal;
A first insulator provided on the at least one primary side winding to insulate the at least one primary side winding;
At least one secondary winding unit provided on the first insulation unit and insulated by the first insulation unit, and configured to transform the power signal;
A second insulator provided on said at least one secondary side winding to insulate said at least one secondary side winding;
It is fastened to one side of the bobbin and fixed while pressing at least two of the end portion of the at least one primary side winding portion, is electrically connected to the at least one primary side winding portion to transmit the power signal to the at least one primary side A first power signal supply unit supplying the winding unit; And
It is fastened to the other side of the bobbin and fixed while pressing at least two of the end portion of the at least one secondary side winding portion, is electrically connected to the at least one secondary side winding portion by the at least one secondary side winding portion And a first power signal output unit configured to output the transformed power signal.
A core provided to induce magnetic field formation;
A bobbin fastened between the cores;
At least one primary side winding portion provided between the core and the bobbin and including a first silicon layer to insulate and supply a power signal;
At least one secondary side winding portion provided in the at least one primary side winding portion to be insulated by the first silicon layer and to transform the power signal while insulated including a second silicon layer;
It is fastened to one side of the bobbin and fixed while pressing at least two of the end portion of the at least one primary side winding portion, is electrically connected to the at least one primary side winding portion to transmit the power signal to the at least one primary side A first power signal supply unit supplying the winding unit; And
It is fastened to the other side of the bobbin and fixed while pressing at least two of the end portion of the at least one secondary side winding portion, is electrically connected to the at least one secondary side winding portion by the at least one secondary side winding portion And a first power signal output unit configured to output the transformed power signal.
delete delete 3. The method according to claim 1 or 2,
And the first power signal supply unit is a terminal terminal.
delete delete 3. The method according to claim 1 or 2,
And the first power signal output unit is a terminal terminal.
The method of claim 1,
At least one other portion provided between the core and the bobbin, spaced apart from the at least one primary winding portion and the at least one secondary winding portion, and fastened to the first fastening portion to transform the power signal. A secondary winding;
And a third insulator provided on the at least one second secondary winding, the third insulator coupled to the first fastening to insulate the at least another secondary winding.
The method of claim 9,
Fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one secondary winding part, and electrically connected to the at least another secondary winding part, by the at least one secondary winding part And a second power signal output unit configured to output the transformed power signal.
The method of claim 10,
The second power signal output unit,
And at least two of the end portions of the at least one secondary winding of the second winding portion are fixed by pressing.
delete The method of claim 10,
And the second power signal output unit is a terminal terminal.
The method of claim 1,
At least one other portion provided between the core and the bobbin, spaced apart from the at least one primary winding portion and the at least one secondary winding portion, and fastened to the first fastening portion to supply the power signal. A primary winding;
And a fourth insulator provided on the at least one other primary winding, and insulated with the first coupling to insulate the at least one primary winding.
The method of claim 14,
Fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one primary winding part, and electrically connected to the at least one primary winding part to transmit the power signal to the at least another primary side Planar transformer comprising a second power signal supply for supplying the winding portion.
16. The method of claim 15,
The second power signal supply unit,
And at least two of end portions of the at least one primary winding unit to press and fix the at least two portions.
delete 16. The method of claim 15,
And the second power signal supply unit is a terminal terminal.
The method of claim 1,
The at least one primary side winding portion is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components to provide the metal thin film pattern layer having the at least two or more inductance components. Planar transformer including at least one primary side insulating layer for insulating.
delete The method of claim 1,
The at least one secondary side winding part is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components, and the metal thin film pattern layer having the at least two or more inductance components. Planar transformer comprising at least one secondary side insulating layer for insulating.
delete The method of claim 9,
The at least one second secondary winding part is provided between the metal thin film pattern layer having at least two inductance components and the metal thin film pattern layer having the at least two inductance components, and the metal thin film pattern having the at least two inductance components. A planar transformer comprising at least one secondary side insulating layer that insulates the layer.
delete The method of claim 14,
The at least one other primary side winding part is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components, and the metal thin film pattern having the at least two or more inductance components. A planar transformer comprising at least one other primary side insulating layer to insulate the layer.
delete The method of claim 1,
And the first insulator is provided in at least one of a circle, an ellipse, and a polygon.
The method of claim 1 or 27,
And the first insulating portion is an insulating sheet.
The method of claim 1,
And the second insulator is provided in at least one shape of a circle, an oval, and a polygon.
The method of claim 1 or 29,
And the second insulating portion is an insulating sheet.
The method of claim 9,
And the third insulator is provided in at least one of a circle, an oval, and a polygon.
The method of claim 9 or 31,
And the third insulating portion is an insulating sheet.
The method of claim 14,
And the fourth insulator is provided in at least one of a circle, an ellipse, and a polygon.
34. The method of claim 14 or 33,
And said fourth insulating portion is an insulating sheet.
The method of claim 2,
It is provided between the core and the bobbin, spaced apart from the at least one primary side winding portion and the at least one secondary winding portion and fastened to the first fastening portion, and insulated including a third silicon layer. And at least one other secondary winding for transforming the power signal.
36. The method of claim 35,
Fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one secondary winding part, and electrically connected to the at least another secondary winding part, by the at least one secondary winding part And a third power signal output unit configured to output the transformed power signal.
37. The method of claim 36,
The third power signal output unit,
And at least two of the end portions of the at least one secondary winding of the second winding portion are fixed by pressing.
delete 37. The method of claim 36,
And the third power signal output unit is a terminal terminal.
The method of claim 2,
A space between the core and the bobbin, spaced apart from the at least one primary winding and the at least one secondary winding, and fastened to the first fastening, and including a fourth silicon layer to insulate it. And at least one other primary winding that supplies the power signal.
41. The method of claim 40,
Fastened to the other side of the bobbin and fixed while pressing an end portion of the at least one primary winding part, and electrically connected to the at least one primary winding part to transmit the power signal to the at least another primary side Planar transformer comprising a third power signal supply for supplying the winding portion.
42. The method of claim 41 wherein
The third power signal supply unit,
And at least two of end portions of the at least one primary winding unit to press and fix the at least two portions.
delete 42. The method of claim 41 wherein
And the third power signal supply unit is a terminal terminal.
The method of claim 2,
The at least one primary side winding portion is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components to provide the metal thin film pattern layer having the at least two or more inductance components. Planar transformer comprising at least one primary side silicon layer for insulating the.
delete The method of claim 2,
The at least one secondary side winding part is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components, and the metal thin film pattern layer having the at least two or more inductance components. Planar transformer comprising at least one secondary side silicon layer for insulating the.
delete 36. The method of claim 35,
The at least one second secondary winding part is provided between the metal thin film pattern layer having at least two inductance components and the metal thin film pattern layer having the at least two inductance components, and the metal thin film pattern having the at least two inductance components. A planar transformer comprising at least one other secondary side silicon layer to insulate the layer.
delete 41. The method of claim 40,
The at least one other primary side winding part is provided between the metal thin film pattern layer having at least two or more inductance components and the metal thin film pattern layer having the at least two or more inductance components, and the metal thin film pattern having the at least two or more inductance components. A planar transformer comprising at least one other primary side silicon layer to insulate the layer.
delete The method of claim 2,
And the first silicon layer is provided in at least one of a circle, an ellipse, and a polygon.
The method of claim 2,
The first silicon layer is a plane transformer formed by spraying with insulating silicon.
The method of claim 2,
And said first silicon layer comprises a heat resistant silicon layer.
The method of claim 2,
And said second silicon layer is provided in the shape of at least one of a circle, an oval, and a polygon.
The method of claim 2,
And the second silicon layer is formed by spraying with insulating silicon.
The method of claim 1,
And said second silicon layer comprises a heat resistant silicon layer.
36. The method of claim 35,
And said third silicon layer is provided in at least one of a circle, an ellipse, and a polygon.
36. The method of claim 35,
The third silicon layer is a plane transformer formed by spraying with insulating silicon.
36. The method of claim 35,
And said third silicon layer comprises a heat resistant silicon layer.
41. The method of claim 40,
And the fourth silicon layer is provided in the shape of at least one of a circle, an oval, and a polygon.
41. The method of claim 40,
And the fourth silicon layer is formed by spraying with insulating silicon.
41. The method of claim 40,
And said fourth silicon layer comprises a heat resistant silicon layer.
46. The method of claim 45,
And said at least one primary side silicon layer comprises a heat resistant silicon layer.
The method of claim 47,
And the at least one secondary side silicon layer comprises a heat resistant silicon layer.
The method of claim 49,
And said at least one other secondary side silicon layer comprises a heat resistant silicon layer.
The method of claim 51,
And said at least one other primary side silicon layer comprises a heat resistant silicon layer.
3. The method according to claim 1 or 2,
And the at least one primary winding part comprises a metal thin film pattern layer having an inductance component.
delete 3. The method according to claim 1 or 2,
And said at least one primary winding is provided in the shape of at least one of a circle, an oval, and a polygon.
3. The method according to claim 1 or 2,
And the at least one secondary side winding part includes a metal thin film pattern layer having an inductance component.
delete 3. The method according to claim 1 or 2,
And said at least one secondary winding is provided in the shape of at least one of a circle, an oval, and a polygon.
The method of claim 9 or 35,
And the at least one other secondary winding part includes a metal thin film pattern layer having an inductance component.
delete The method of claim 9 or 35,
And said at least another secondary winding is provided in the shape of at least one of a circle, an oval, and a polygon.
The method of claim 14 or 40,
And the at least one other primary winding part includes a metal thin film pattern layer having an inductance component.
delete The method of claim 14 or 40,
And the at least one other primary winding unit is provided in at least one of a circular, elliptical, and polygonal shape.
3. The method according to claim 1 or 2,
The core comprises a lower core and an upper core.




KR1020100077133A 2010-08-11 2010-08-11 Planar transformer KR101103604B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07263232A (en) * 1994-03-18 1995-10-13 Murata Mfg Co Ltd Multilayer coil and its manufacture
JPH09270343A (en) * 1996-03-29 1997-10-14 Toko Inc Sheet coil stacked type transformer and structure of its terminal
JP2004039878A (en) * 2002-07-03 2004-02-05 Fdk Corp Coil component
KR20040042088A (en) * 2002-11-13 2004-05-20 이수세라믹 주식회사 Planar inductor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07263232A (en) * 1994-03-18 1995-10-13 Murata Mfg Co Ltd Multilayer coil and its manufacture
JPH09270343A (en) * 1996-03-29 1997-10-14 Toko Inc Sheet coil stacked type transformer and structure of its terminal
JP2004039878A (en) * 2002-07-03 2004-02-05 Fdk Corp Coil component
KR20040042088A (en) * 2002-11-13 2004-05-20 이수세라믹 주식회사 Planar inductor

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