Conical inductor, printed circuit board, and optical module

Patent metadata

Field	Value
Publication number	US-9681549-B2
Application number	US-201615261389-A
Country	US
Kind code	B2
Filing date	Sep 9, 2016
Priority date	Mar 12, 2014
Publication date	Jun 13, 2017
Grant date	Jun 13, 2017

Abstract

A conical inductor provided in the present invention includes: a housing, a conical coil located inside the housing, a first pin and a second pin respectively connected to two ends of the conical coil, where one end of the first pin is connected to one end of the conical coil, the other end of the first pin is connected to a hole in a first side wall of the housing in a fastened manner, one end of the second pin is connected to the other end of the conical inductor, and the other end of the second pin is connected to a hole in a second side wall of the housing in a fastened manner; and each of the first pin and the second pin includes one segment of waveform segment fluctuating in a direction perpendicular to a top wall of the housing.

First claim

What is claimed is:

1. A conical inductor, comprising:
a housing;
a conical coil;
a first pin; and
a second pin;
wherein the housing comprises:
a top wall, and a first side wall and a second side wall that are connected to the top wall, and a hole that is separately disposed on a side, away from the top wall, of each of the first side wall and the second side wall;

wherein the conical coil is located in a cavity formed by the top wall, the first side wall, and the second side wall of the housing;
wherein one end of the first pin is connected to one end of the conical coil, the other end of the first pin is connected to the hole in the first side wall in a fastened manner, one end of the second pin is connected to the other end of the conical coil, and the other end of the second pin is connected to the hole in the second side wall in a fastened manner; and
wherein each of the first pin and the second pin comprises one waveform segment fluctuating in a direction perpendicular to the top wall, wherein each trough of the waveform segment is connected to a printed circuit board in a fastened manner.

2. The conical inductor according to claim 1 , wherein:
the waveform segment is a square wave segment, wherein the waveform segment comprises at least two troughs.

3. The conical inductor according to claim 1 , wherein:
a height between a trough of a waveform segment of the first pin and the hole in the first side wall is greater than a height between the hole in the first side wall and the side, away from the top wall, of the first side wall;
a height between a trough of a waveform segment of the second pin and the hole in the second side wall is greater than a height between the hole in the second side wall and the side, away from the top wall, of the second side wall; and
a trough of the waveform segment of the first pin and a trough of the waveform segment of the second pin are located on a same plane.

4. The conical inductor according to claim 1 , wherein:
a width of the waveform segment is greater than a diameter of a conducting wire of the conical coil.

5. The conical inductor according to claim 1 , wherein:
the first pin is led out from one end of the conical inductor; and
the second pin is led out from the other end of the conical inductor.

6. A printed circuit board, comprising:
a conical inductor, the conical inductor comprising:
a housing,
a conical coil
a first pin, and
a second pin;

wherein the housing comprises:
a top wall, and a first side wall and a second side wall that are connected to the top wall, and a hole that is separately disposed on a side, away from the top wall, of each of the first side wall and the second side wall;

wherein the conical coil is located in a cavity formed by the top wall, the first side wall, and the second side wall of the housing;
wherein one end of the first pin is connected to one end of the conical coil, the other end of the first pin is connected to the hole in the first side wall in a fastened manner, one end of the second pin is connected to the other end of the conical coil, and the other end of the second pin is connected to the hole in the second side wall in a fastened manner; and
wherein each of the first pin and the second pin comprises one waveform segment fluctuating in a direction perpendicular to the top wall, wherein each trough of the waveform segment is connected to a printed circuit board in a fastened manner.

7. The printed circuit board according to claim 6 , wherein:
troughs of each pin of the conical inductor are connected to the printed circuit board in a fastened manner through a pad of the printed circuit board.

8. An optical module, comprising:
a printed circuit board, the printed circuit board comprising:
a conical inductor, the conical inductor comprising:
a housing,
a conical coil,
a first pin, and
a second pin;

wherein the housing comprises:
a top wall, and a first side wall and a second side wall that are connected to the top wall, and a hole that is separately disposed on a side, away from the top wall, of each of the first side wall and the second side wall;

wherein the conical coil is located in a cavity formed by the top wall, the first side wall, and the second side wall of the housing;
wherein one end of the first pin is connected to one end of the conical coil, the other end of the first pin is connected to the hole in the first side wall in a fastened manner, one end of the second pin is connected to the other end of the conical coil, and the other end of the second pin is connected to the hole in the second side wall in a fastened manner; and
wherein each of the first pin and the second pin comprises one waveform segment fluctuating in a direction perpendicular to the top wall, wherein each trough of the waveform segment is connected to a printed circuit board in a fastened manner.

Assignees

• Huawei Tech Co Ltd

Inventors

• Chen Tewei
• Fu Huili
• Zhao Nan

Classifications

• Y02P70/613

  Cross-Sectional Technologies · mapped topic

• H01F27/292

  Surface mounted devices · CPC title

• H01F5/00

  Coils (superconducting coils H01F6/06; fixed inductances of the signal type H01F17/00) · CPC title

• H05K1/181 Primary

  associated with surface mounted components · CPC title

• H05K2201/10757

  Bent leads · CPC title