Electronic device system, manufacturing method, and method for controlling electronic device system

Patent metadata

Field	Value
Publication number	US-11812586-B2
Application number	US-202117508745-A
Country	US
Kind code	B2
Filing date	Oct 22, 2021
Priority date	Oct 26, 2020
Publication date	Nov 7, 2023
Grant date	Nov 7, 2023

Abstract

An electronic device system, a manufacturing method, and a method for controlling the electronic device system, in field of heat dissipation technologies. The electronic device system includes a heat source, a plurality of fans, and a plurality of air guiding apparatuses. The heat source is located on air inlet sides of the plurality of fans, and the plurality of air guiding apparatuses are located on air outlet sides of the plurality of fans. The plurality of air guiding apparatuses are configured such that, when there is a faulty fan, an air guiding direction of an air guiding apparatus corresponding to the faulty fan and an air guiding direction of an air guiding apparatus corresponding to a neighboring fan deviate from each other.

First claim

What is claimed is:

1. An electronic device system, comprising:
a heat source;
a plurality of fans; and
a plurality of air guiding apparatuses, each air guiding apparatus having a plurality of air deflectors that are connected together and configured to be moved together in a same direction, wherein each air guiding apparatus is disposed behind a fan of the plurality of fans, wherein at least one air deflector of a respective air guiding apparatus disposed behind a respective fan is aligned directly behind the respective fan;
wherein the heat source is located on air inlet sides of the plurality of fans, and wherein the plurality of air guiding apparatuses are located on air outlet sides of the plurality of fans; and
wherein each air guiding apparatus of the plurality of air guiding apparatuses are configured to have, in response to at least one fan of the plurality of fans being a faulty fan, an air guiding direction of an air guiding apparatus corresponding to the faulty fan and an air guiding direction of an air guiding apparatus corresponding to a neighboring fan deviate from each other, wherein each angle of a plurality of angles is associated with a measurement of a temperature at the heat source corresponding to the faulty fan while air deflectors associated with the air guiding apparatus behind the faulty fan are at the respective angle, and wherein an angle of air deflectors associated with the air guiding apparatus behind the faulty fan is an angle selected from the plurality of angles and is set to an angle corresponding to a lowest temperature of temperatures of the plurality of angles.

2. The electronic device system according to claim 1 , wherein an air guiding direction of each air guiding apparatus of the plurality of air guiding apparatuses is fixed, and wherein air guiding directions of air guiding apparatuses corresponding to two neighboring fans deviate from each other.

3. The electronic device system according to claim 1 , wherein an air guiding direction of each air guiding apparatus of the plurality of air guiding apparatuses is adjustable.

4. The electronic device system according to claim 3 , further comprising:
at least one adjustment motor; and
a control unit, configured to:
control, in response to detecting a faulty fan, by using the at least one adjustment motor, a first air guiding direction of an air guiding apparatus corresponding to the faulty fan and further control, in response to detecting the faulty fan, by using the at least one adjustment motor, a second air guiding direction of an air guiding apparatus corresponding to a neighboring fan to deviate from the first air guiding direction.

5. The electronic device system according to claim 4 , wherein the control unit is configured to:
determine, in response to detecting the faulty fan, a target angle based on the lowest temperature of the heat source corresponding to the faulty fan; and
control, based on the target angle, by using the adjustment motor, the air guiding direction of the air guiding apparatus corresponding to the faulty fan and the air guiding direction of the air guiding apparatus corresponding to the neighboring fan to deviate from each other.

6. The electronic device system according to claim 1 , wherein the plurality of air guiding apparatuses comprises a first air guiding apparatus and a second air guiding apparatus; and
wherein, in response to at least one fan of the plurality of fans being a faulty fan, an air guiding direction of the first air guiding apparatus is inclined at negative α degrees to a horizontal direction, and an air guiding direction of the second air guiding apparatus is inclined at positive β degrees to the horizontal direction, wherein both α and β are values ranging from 15 to 30.

7. The electronic device system according to claim 1 , wherein the plurality of air guiding apparatuses comprises a first air guiding apparatus, a second air guiding apparatus, and a third air guiding apparatus;
wherein the second air guiding apparatus is located between the first air guiding apparatus and the third air guiding apparatus; and
wherein when there is a faulty fan, an air guiding direction of the first air guiding apparatus is inclined at negative α degrees to a horizontal direction in response to at least one fan of the plurality of fans being a faulty fan, wherein an air guiding direction of the second air guiding apparatus is parallel to the horizontal direction in response to the at least one fan of the plurality of fans being the faulty fan, and an air guiding direction of the third air guiding apparatus is inclined at positive β degrees to the horizontal direction in response to the at least one fan of the plurality of fans being the faulty fan, and wherein both α and β are values ranging from 30 to 60.

8. The electronic device system according to claim 1 , wherein the plurality of air guiding apparatuses comprise a first air guiding apparatus, a second air guiding apparatus, a third air guiding apparatus, and a fourth air guiding apparatus;
wherein the first air guiding apparatus, the second air guiding apparatus, the third air guiding apparatus, and the fourth air guiding apparatus are sequentially arranged adjacent to each other;
wherein an air guiding direction of the first air guiding apparatus is inclined at negative α degrees to a horizontal direction in response to at least one fan of the plurality of fans being a faulty fan, wherein an air guiding direction of the second air guiding apparatus is inclined at negative β degrees to the horizontal direction in response to the at least one fan of the plurality of fans being the faulty fan, wherein α is a value ranging from 45 to 60, and wherein β is a value ranging from 15 to 30; and
wherein an air guiding direction of the third air guiding apparatus is inclined at positive γ degrees to the horizontal direction, wherein an air guiding direction of the fourth air guiding apparatus is inclined at positive δ degrees to the horizontal direction, wherein γ is a value ranging from 15 to 30, and wherein δ is a value ranging from 45 to 60.

9. The electronic device system according to claim 1 , wherein the plurality of air guiding apparatuses are fastened on outer surfaces of housings of the plurality of fans.

10. The electronic device system according to claim 1 , further comprising a cabinet;
wherein both the heat source and the plurality of fans are fastened to the cabinet; and
wherein each air guiding apparatus of the plurality of air guiding apparatuses is fastened on an outer surface of a wall of the cabinet.

11. The electronic device system according to claim 1 , further comprising:
a cabinet; and
a rack;
wherein both the heat source and the plurality of fans are fastened to the cabinet;
wherein the cabinet is fastened to the rack; and
wherein each air guiding apparatus of the plurality of air guiding apparatuses is fastened on an outer surface of a door of the rack.

12. A method for manufacturing an electronic device system, comprising:
providing a plurality of fans and a plurality of air guiding apparatuses, wherein a heat source is located on air inlet sides of fans of the plurality of fans, and the plurality of air guiding apparatuses is located on air outlet sides of fans the plurality of fans, each air guiding apparatus having a plurality of air deflectors that are connected together and configured to be moved together in a same direction, wherein each air guiding apparatus is disposed behind a fan of the plurality of fans, wherein at least one air deflector of a respective air guiding apparatus disposed behind a respective fan is aligned directly behind the respective fan;

Assignees

• Huawei Tech Co Ltd

Inventors

• Li Baosheng
• Yan Tao
• Hou Xiaojing
• Zhou Lujun
• Zhang Liang

Classifications

• H05K7/20736 Primary

  within cabinets for removing heat from server blades · CPC title

• H05K7/20745

  within rooms for removing heat from cabinets, e.g. by air conditioning device · CPC title

• H05K7/20181 Primary

  Filters; Louvers · CPC title

• H05K7/20145

  Means for directing air flow, e.g. ducts, deflectors, plenum or guides · CPC title