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Combined inductor and assembling method thereof

An inductor and combined technology, applied in the field of inductance, can solve the problems of increased number of coils, large amount of inductance used, and increased volume occupied by inductance, achieving the effect of reducing the number, reducing the total consumables, and reducing the total volume

Pending Publication Date: 2019-11-29
梁镇海
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are many filter circuits in many electronic devices, and each filter circuit uses an inductor, so multiple inductors are used in one device, the amount of inductor used is relatively large, the volume occupied by the inductor will greatly increase, and the number of coils wound will also greatly increase

Method used

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  • Combined inductor and assembling method thereof
  • Combined inductor and assembling method thereof
  • Combined inductor and assembling method thereof

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Experimental program
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Embodiment 1

[0029] Such as Figure 1-Figure 3 As shown, Embodiment 1 of the present invention provides a combined inductor, including a magnetic core assembly and a coil. The magnetic core assembly includes at least two magnetic cores 10, and each magnetic core 10 includes a laminated section 11 and a branch section 12. , the superimposed sections 11 of each magnetic core 10 are superimposed together. The coil includes a main circuit coil 20 and a branch circuit coil 30. The superimposed sections 11 of each magnetic core 10 are stacked together and then wound through the main circuit coil 20 to form a main circuit inductance. The branch sections 12 of each magnetic core 10 are respectively passed through a The branch coils 30 are wound to form a branch inductor, and the branch coils 30 of each branch inductor are electrically connected to the main coil 20 of the main inductor.

[0030] The combined inductor is integrated with a main circuit inductance and a plurality of branch circuit in...

Embodiment 2

[0037] Such as Figure 4-Figure 5 As shown, Embodiment 2 of the present invention provides a combined inductor. The connection relationship between each component and each component in Embodiment 2 is basically the same, the difference lies in: the superimposed section 11 and branch Sections 12 are all overlapped together, and the branch section 12 of two adjacent magnetic cores 10 is provided with the space 14 that passes through for branch circuit coil 30, separates each branch circuit inductance in space, prevents branch circuit coil 30 cause interference. Specifically, a groove 15 is provided on the side of the branch section 12 of the magnetic core 10 , and the grooves 15 of two adjacent magnetic cores 10 face each other to form a space 14 between the two grooves 15 .

Embodiment 3

[0039] Embodiment 3 of the present invention provides a method for assembling the combined inductor of the above embodiment, including the following steps:

[0040] Step S1, respectively winding branch coils 30 around the outer circumferences of the branch sections 12 of each magnetic core 10;

[0041] Step S2, stacking the lamination sections 11 of the respective magnetic cores 10 wound around the branch coil 30, and winding the main circuit coil 20 on its outer periphery;

[0042] Step S3 , connecting the ends of the branch coils 30 to the ends of the main coil 20 respectively.

[0043] The method adopts the sequence of firstly winding the branch coil 30 and then winding the main circuit coil 20, which facilitates coil winding and inductor assembly, reduces the difficulty of assembly, and improves assembly efficiency.

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Abstract

The invention discloses a combined inductor and an assembling method. The combined inductor comprises a magnetic core assembly and a coil, wherein the magnetic core assembly comprises at least two magnetic cores, each magnetic core comprises a superimposed section and a branch section, and the superimposed sections of the magnetic cores are superimposed together; the coil comprises a main coil andbranch coils, the superimposed sections of the magnetic cores are overlapped together and then are wound by the main coil to form a main inductor, the branch section of each magnetic core is wound byone branch coil to form a branch inductor, and the branch coil of each branch inductor is electrically connected with the main coil of the main inductor. According to the invention, the total volumeof the inductor is reduced on the premise of ensuring the inductance value of each filter circuit, and the total material consumption for manufacturing the inductor is reduced.

Description

technical field [0001] The invention relates to the technical field of inductors, in particular to a combined inductor and an assembly method. Background technique [0002] Inductors are widely used in the receiving and transmitting directions in the communication field. With the miniaturization of communicators proposed, how to reduce the volume of inductors has become a hot topic. In the prior art, there are two main methods for reducing the volume of the inductor in the circuit: one is to reduce the volume of the inductor in the circuit by improving the manufacturing process of the inductor and improving the manufacturing process of the laminated inductor; It increases the inductance of the inductor in the circuit by increasing the frequency of the power supply in the circuit, thereby reducing the volume of the inductor in the circuit. [0003] However, these two methods are very limited in reducing the volume of the inductor in the circuit, and how to further reduce the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/24H01F27/28H01F27/30H01F17/04H01F37/00H01F41/00H01F41/06
CPCH01F17/04H01F27/24H01F27/28H01F27/306H01F37/00H01F41/00H01F41/06
Inventor 梁镇海盛方怡刘一樊李小兵易小龙时昀泽
Owner 梁镇海