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Line filter, AC power supply and method for manufacturing the line filter

A technology of AC power supply and AC power, applied in AC network to reduce harmonics/ripples, conversion equipment with intermediate conversion to AC, electrical components, etc., can solve the problem of increased manufacturing costs, increased drilling work, and linear filters Larger area and other issues, to achieve the effect of process reduction, PCB area reduction and cost saving

Active Publication Date: 2013-05-15
LG INNOTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] However, in figure 2 In the case of the two-stage linear filter shown, since the two linear filters are provided consecutively on the PCB, the area of ​​the linear filter becomes larger than that of a normal one-stage linear filter, which causes an increase in manufacturing cost. Increase
Also, two insertion processes are required to apply the linear filter twice, thus doubling the eyelet work

Method used

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  • Line filter, AC power supply and method for manufacturing the line filter
  • Line filter, AC power supply and method for manufacturing the line filter
  • Line filter, AC power supply and method for manufacturing the line filter

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Embodiment Construction

[0041] Hereinafter, the present disclosure will be described in more detail with reference to the accompanying drawings.

[0042] In the following description, only the suffixes "module" and "unit" are added for convenience of description in the specification, and the suffixes "module" and "unit" may be used compatible with each other.

[0043] In addition, although the embodiments will be described in detail below with reference to the drawings and the contents indicated in the drawings, the embodiments are not limited thereto.

[0044] image 3 is a view showing the structure of the two-stage linear filter 100 according to one embodiment.

[0045] Below, will refer to image 3 The two-stage linear filter 100 according to one embodiment is described in detail.

[0046] Such as image 3 As shown, the two-stage linear filter 100 according to this embodiment includes a bobbin 110 , a first coil 120 , a second coil 130 , an input line 140 , an output line 150 and a connection...

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Abstract

The invention discloses a line filter, an AC power supply, and a method for manufacturing the line filter. The line filter outputs the AC power supply via removing noise from the AC power supply. The line filter comprises a winding barrel, a first coil, a second coil, and a connecting line. The winding barrel is provided with two surfaces, coils are winded at the two surfaces, the first coil winds around a first surface of the winding barrel and is connected to an input line, the second coil winds around a second surface of the winding barrel and is connected to an output line, the connecting lines connect the first coil to the second coil and filtering of the AC power supply provided by the first coil is performed to transmit the AC power supply to the second coil.

Description

technical field [0001] The present disclosure relates to a two-stage linear filter, a method of manufacturing the two-stage linear filter, and an AC power supply. More particularly, the present disclosure relates to an integral-type two-stage linear filter capable of reducing manufacturing cost, occupying a small area, and reducing the manufacturing process of the two-stage linear filter and a device using the integral-type two-stage linear filter. AC power. Background technique [0002] Generally, an AC power supply for supplying AC power to home appliances is realized by using a switching mode power supply (SMPS: switching mode power supply). [0003] The SMPS supplies alternating current through switching operations. At this time, noise is caused. In addition, this noise may be conducted through a case disposed near the SMPS, so that the noise is introduced into a capacitor included in a noise filter of the power supply. [0004] In addition, the noise introduced to t...

Claims

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Application Information

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IPC IPC(8): H03H7/09H03H3/00H02J3/01
CPCY02E40/40H02M1/44H02M3/28
Inventor 金洞禧朴钟准
Owner LG INNOTEK CO LTD
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