Air quality control system based on occupancy
First Claim
Patent Images
1. A method of controlling air quality comprising:
- maintaining a count of people in an area to be ventilated based on information provided by an access control system; and
, ventilating the area with an amount of fresh air dependent on the count such that higher numbers of people in the area results in more ventilation than if one person is in the area.
1 Assignment
0 Petitions
Accused Products
Abstract
Air quality within a building is controlled by maintaining a count of people in the building and by ventilating the building with an amount of air dependent on the count. The count may be determined in accordance with an access control system and/or entry and exit sensors, such as infrared sensors.
121 Citations
25 Claims
-
1. A method of controlling air quality comprising:
-
maintaining a count of people in an area to be ventilated based on information provided by an access control system; and
,ventilating the area with an amount of fresh air dependent on the count such that higher numbers of people in the area results in more ventilation than if one person is in the area. - View Dependent Claims (2, 3, 4, 5, 25)
-
-
6. A method of controlling air quality comprising:
-
maintaining a first count of people in a first space to be ventilated based on information from an access control system;
maintaining a second count of people in a second space to be ventilated based on information from a sensor, wherein the first and second spaces are within the same building, and wherein the first and second counts are separate counts;
ventilating the first space with an amount of air dependent on the first count; and
,ventilating the second space with an amount of air dependent on the second count. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A method of controlling air quality comprising:
-
maintaining a first count of people in a first space to be ventilated based on information from an access control system;
maintaining a second count of people in a second space to be ventilated based on information from a sensor, wherein the first and second spaces are within the same building, and wherein the first and second counts are separate counts;
controlling a first damper to supply fresh air to the first space dependent on the first count; and
,controlling a second damper to supply fresh air to the second space dependent on the second count. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
-
-
24. A method of controlling air quality comprising:
-
maintaining a first count of people in a first space to be ventilated;
maintaining a second count of people in a second space to be ventilated, wherein the first and second spaces are within the same building, wherein the second space is accessed through the first space, and wherein the first and second counts are separate counts;
ventilating the first space with an amount of air dependent on the first count; and
,ventilating the second space with an amount of air dependent on the second count, wherein the ventilating of the first and second spaces comprises decreasing ventilation to the first space and increasing ventilation to the second space when a person moves from the first space to the second space, and wherein the ventilating of the first and second spaces comprises increasing ventilation to the first space and decreasing ventilation to the second space when a person moves from the second space to the first space.
-
Specification