Multi-mode air supply terminal and method

Patent metadata

Field	Value
Publication number	US-12498128-B2
Application number	US-202418596754-A
Country	US
Kind code	B2
Filing date	Mar 6, 2024
Priority date	Mar 7, 2023
Publication date	Dec 16, 2025
Grant date	Dec 16, 2025

Abstract

The present invention discloses a multi-mode air supply terminal and method, and relates to the technical field of indoor ventilation. The multi-mode air supply terminal includes: a shell body ( 2 ) as well as a pore-plate air supply mechanism and an air-curtain air supply mechanism which are installed inside the shell body; the shell body is connected with one end of an air supply branch pipe), the air-curtain air supply mechanism is arranged around the pore-plate air supply mechanism, and an inner wall of the shell body ( 2 ) forms an empty cavity ( 6 ) with the pore-plate air supply mechanism and the air-curtain air supply mechanism; and the pore-plate air supply mechanism and the air-curtain air supply mechanism are respectively used for controlling opening/closing of a pore-plate air supply port and an air-curtain air supply port to form a plurality of air supply modes.

First claim

What is claimed is:

1 . A multi-mode air supply method, comprising:
acquiring position information of a target to be supplied with air, and ventilation demand information, wherein the ventilation demand information comprises a set temperature and/or a limited concentration of pollutants; determining an air supply terminal closest to the target to be supplied with air according to the position information of the target to be supplied with air, wherein the air supply terminal is provided with a plurality of air supply modes; determining a target air supply mode and a target air supply parameter corresponding to the air supply terminal according to the position information of the target to be supplied with air, and the ventilation demand information; and controlling the air supply terminal to carry out air supply on the basis of the target air supply mode and the target air supply parameter; wherein the determining a target air supply mode and a target air supply parameter corresponding to the air supply terminal according to the position information of the target to be supplied with air, and the ventilation demand information comprises: determining the target to be supplied with air is located at a set position according to the position information, and determining the ventilation demand information is the set temperature, then determining the target air supply mode to be a pore-plate air supply mode, calculating an air supply temperature of the pore-plate air supply port according to the set temperature, and determining the air supply temperature of the pore-plate air supply port to be the target air supply parameter; determining the target to be supplied with air is located at the set position according to the position information, and determining the ventilation demand information is the limited concentration of pollutants, then determining the target air supply mode to be an air-curtain air supply mode or the pore-plate air supply mode, calculating an air supply volume of the air-curtain air supply port or an air supply volume of the pore-plate air supply port according to the limited concentration of pollutants, and determining the air supply volume of the air-curtain air supply port or the air supply volume of the pore-plate air supply port to be the target air supply parameter; determining the target to be supplied with air is located at the set position according to the position information, and determining the ventilation demand information is the set temperature and the limited concentration of pollutants, then determining the target air supply mode to be an air curtain-pore plate combined air supply mode, respectively calculating an air supply volume of the air-curtain air supply port and an air supply temperature of the pore-plate air supply port according to the limited concentration of pollutants and the set temperature, and determining the air supply volume of the air-curtain air supply port and the air supply temperature of the pore-plate air supply port to be the target air supply parameters; and determining the target to be supplied with air is not located at the set position according to the position information, then determining the target air supply mode to be a directional air supply mode or a mixed air supply mode, and determining the target air supply parameter to be an air supply angle calculated in real time or a basic air supply angle; wherein the calculating the air supply temperature of the pore-plate air supply port according to the set temperature comprises: obtaining an initial environment temperature, an air supply density, intensity of a heat source, specific heat capacity of air, and an air supply volume of the pore-plate air supply port; determining first accessibility of the pore-plate air supply port to a position of the target to be supplied with air, and second accessibility of the heat source to the position of the target to be supplied with air; and calculating an air supply temperature of the pore-plate air supply port according to the set temperature, the initial environment temperature, the air supply density, the intensity of the heat source, the specific heat capacity of air, the air supply volume of the pore-plate air supply port, the first accessibility, and the second accessibility, and a calculation formula for the temperature difference of the pore-plate air supply port is as follows:

θ
set

Target
,
j

=

∑

n
S

=
1

N
S

[

θ
S

n
S

⁢

a

θ
,
S

n
S

,
Target
,
j

]

+

∑

n
H

=
1

N
H

[

q

n
H

p
⁢

C
p

⁢
Q

⁢

a

θ
,
H

n
H

,
Target
,
j

]

wherein θ set Target,j is a preferred temperature difference of the target j to be supplied with air, the preferred temperature difference θ set Target,j is obtained by subtracting the set temperature from the known initial environment temperature, θ S n S is temperature difference of the

Assignees

• Univ Beijing Science & Technology

Inventors

• Shao Xiaoliang
• Liu Yemin
• Jin Chengxu
• Liu Yu
• Wen Xueying

Classifications

• F24F2221/38

  Personalised air distribution · CPC title

• F24F13/075

  having parallel rods or lamellae directing the outflow, e.g. the rods or lamellae being individually adjustable (F24F13/072 takes precedence) · CPC title

• F24F11/0001

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

• F24F11/79

  for controlling the direction of the supplied air · CPC title

• F24F11/65 Primary

  for selecting an operating mode · CPC title