Ventilation and air conditioning system and method for regulating air opening

Patent metadata

Field	Value
Publication number	US-11879645-B2
Application number	US-202017062959-A
Country	US
Kind code	B2
Filing date	Oct 5, 2020
Priority date	Apr 14, 2020
Publication date	Jan 23, 2024
Grant date	Jan 23, 2024

Abstract

A ventilation and air conditioning system includes: a ventilation and air conditioning body; and an air-opening varying component provided at a ventilation outlet of the ventilation and air conditioning body.

First claim

What is claimed is:

1. A ventilation and air conditioning system, comprising:
a housing;
a ventilation and air conditioning body comprising a ventilation system and a heat exchanging system, the ventilation system and the heat exchanging system being arranged in the housing, the heat exchanging system comprising a heat exchanging outlet, and the ventilation system comprising a ventilation inlet, a ventilation outlet, and a first blower;
an air-opening varying component provided at the ventilation outlet of the ventilation system; and
a controller,
wherein a partition board is provided in the housing and between the ventilation system and the heat exchanging system and separates the ventilation system and the heat exchanging system;
a purification chamber is provided in the ventilation system, and the purification chamber has a first end connected with the ventilation inlet and a second end connected with the ventilation outlet;
an air inlet duct is arranged between the ventilation inlet and the ventilation outlet, has a first end leading to the ventilation outlet and a second end connected with the purification chamber, and penetrates the partition board and extends through the heat exchanging outlet;
the controller sends the first blower a request command for requesting a rotation-speed value of the first blower, and the first blower sends the rotation-speed value to the controller in response to the request command;
the controller determines a size of an air opening of the ventilation outlet according to the rotation-speed value, and sends the air-opening varying component a control command for regulating the size of the air opening; and
the air-opening varying component regulates the size of the air opening of the ventilation outlet according to the control command.

2. The ventilation and air conditioning system according to claim 1 , wherein the ventilation system has a first end configured as the ventilation outlet and a second end configured as the ventilation inlet; and
a heat exchanging inlet of the heat exchanging system and the ventilation outlet of the ventilation system are on a common surface of the housing.

3. The ventilation and air conditioning system according to claim 1 , wherein the purification chamber is provided with a detachable filter screen, and the first blower is provided between the detachable filter screen and the ventilation outlet and adjacent to the ventilation outlet.

4. The ventilation and air conditioning system according to claim 1 , wherein a heat exchanging unit is provided between the heat exchanging inlet and the heat exchanging outlet of the heat exchanging system; and
the ventilation outlet runs through the housing and is in connection with an exterior of the housing.

5. The ventilation and air conditioning system according to claim 4 , wherein the heat exchanging unit is configured in a U-shaped structure, an end of the heat exchanging unit away from an opening of the U-shaped structure faces the heat exchanging inlet, and the heat exchanging outlet is arranged at an end adjacent to the opening of the U-shaped structure; and
a second blower is provided at the end adjacent to the opening of the U-shaped structure.

6. The ventilation and air conditioning system according to claim 3 , wherein:
first blowers are provided at both sides of the detachable filter screen, one of the first blowers is adjacent to the air inlet duct, and another one of the first blowers is adjacent to the ventilation outlet.

7. The ventilation and air conditioning system according to claim 1 , wherein the ventilation outlet is also provided with a closing device configured to open or close the ventilation outlet.

8. The ventilation and air conditioning system according to claim 7 , wherein the ventilation outlet is provided with a first notch on a side adjacent to an exterior of the housing, and the first notch is arranged along a circle of the ventilation outlet and configured to cooperate with the closing device to close the ventilation outlet.

9. The ventilation and air conditioning system according to claim 7 , wherein the closing device comprises a baffle, a first gear, and a linkage mechanism; and
the linkage mechanism has a first end connected to the baffle and a second end connected to the first gear.

10. The ventilation and air conditioning system according to claim 1 , wherein the air-opening varying component comprises a gear ring, a first connecting disc, a second connecting disc, and an air opening regulating mechanism;
a ventilation outlet regulating port is provided in a center of the first connecting disc; and
the air opening regulating mechanism is arranged between the gear ring and the first connecting disc, and comprises a plurality of regulating plates evenly arranged around a center of the ventilation outlet regulating port.

11. The ventilation and air conditioning system according to claim 10 , wherein a first end of a regulating plate located at the ventilation outlet regulating port is configured as an inclined surface, and the inclined surface of each regulating plate abuts against a side wall of an adjacent regulating plate.

12. The ventilation and air conditioning system according to claim 10 , wherein a plurality of first grooves are evenly provided in the first connecting disc; the regulating plate is provided with a limiting shaft; and the limiting shaft reciprocates in the first groove.

13. The ventilation and air conditioning system according to claim 11 , wherein a second groove of a U-shaped structure is provided in a second end of the regulating plate away from the inclined surface.

14. The ventilation and air conditioning system according to claim 11 , wherein the first end of the regulating plate adjacent to the inclined surface is provided with a third groove.

15. A method for regulating an air opening, applicable to a ventilation and air conditioning system that comprises: a housing; a ventilation and air conditioning body; and an air-opening varying component provided at a ventilation outlet of the ventilation and air conditioning body,
wherein the ventilation and air conditioning body comprises a ventilation system and a heat exchanging system, the ventilation system and the heat exchanging system being arranged in the housing, the heat exchanging system comprising a heat exchanging outlet, and the ventilation system comprising a ventilation inlet and the ventilation outlet;
a partition board is provided in the housing and between the ventilation system and the heat exchanging system and separates the ventilation system and the heat exchanging system;
a purification chamber is provided in the ventilation system, and the purification chamber has a first end connected with the ventilation inlet and a second end connected with the ventilation outlet; and
an air inlet duct is arranged between the ventilation inlet and the ventilation outlet; has a first end leading to the ventilation outlet and a second end connected with the purification chamber; penetrates the partition board and extends through the heat exchanging outlet,
wherein the method comprises:
sending, by a controller to a first blower, a request command for requesting a rotation-speed value of the first blower;
in response to the request command, sending, by the first blower, the rotation-speed value to the controller;
determining, by the controller, a size of an air opening of the ventilation outlet according to the rotation-speed value, and sending the air-opening varying component a control command for regulating the size of the air opening; and
regulating, by the air-opening

Assignees

• Beijing Xiaomi Mobile Software Co Ltd

Inventors

• Shan Lianyu

Classifications

• F24F11/0001 Primary

  for ventilation (F24F11/30 takes precedence) · CPC title

• F24F7/065

  fan combined with single duct; mounting arrangements of a fan in a duct · CPC title

• F24F11/74

  for controlling air flow rate or air velocity · CPC title

• F24F13/14

  built up of tilting members, e.g. louvre · CPC title

• F24F13/20

  Casings or covers · CPC title