Method for controlling an air cleaner

• US 5,334,248 A
• Filed: 11/02/1992
• Issued: 08/02/1994
• Est. Priority Date: 11/02/1991
• Status: Expired due to Term

• Current Assignee: GOLDSTAR CO., LTD. PRESIDENT: HUN JO LEE
• Original Assignee: Goldstar Jewellery LLC
• Inventors: Kwak, Byung K.
• Primary Examiner(s): SPITZER, ROBERT H
• Application Number:
  US07/970,470
• Time in Patent Office: 638 Days
• Field of Search: 55/18, 55/210, 55/270, 55/271, 95/8, 95/12, 95/23, 95/273
• US Class Current: 95/12
• CPC Class Codes: B01D 46/46 automatic
• CPC Class Codes: F24F 11/30 for purposes related to the operation of the system, e.g. for safety or monitoring
• CPC Class Codes: F24F 11/64 using pre-stored data
• CPC Class Codes: F24F 11/77 by controlling the speed of ventilators
• CPC Class Codes: F24F 2110/50 Air quality properties
• CPC Class Codes: F24F 8/10 by separation, e.g. by filtering
• CPC Class Codes: Y02B 30/70 Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

According to the disclosure the amount of wind for an air cleaner is controlled regardless of the initial value of the air pollution level sensed by a sensor in an air cleaner. This allows the air cleaner to efficiently perform the air cleaning regardless of the area in which the air cleaner is installed. The method for cleaning the air requires that an initial value of the air pollution is sensed. Thereafter, an air pollution grade from a plurality of air pollution grades having a plurality of blow control sections set according to each of the air pollution grades. A present value of the air pollution is then sensed. An increment of air pollution is determined from the initial value of the air pollution and the value of the air pollution sensed at a later time. Based on this increment that has been determined, the amount of air from the air cleaner is controlled depending on that increment.

Claims

1. A method for cleaning air regardless of initial value of air pollution in an air cleaner, comprising the steps performed in sequence of:

a) sensing at a first time an initial value of air pollution and obtaining a first air pollution increment when the air cleaner is first powered on;

b) sensing a present value of air pollution a certain time later than said first time and obtaining a second air pollution increment;

c) obtaining a third air pollution increment from said initial value of air pollution and said present value of air pollution by subtracting said first air pollution increment from said second air pollution increment;

d) determining an air pollution grade from a plurality of air pollution grades having a plurality of blow control section set according to each of said air pollution grades by use of the third air pollution increment; and

e) controlling air blow according to a blow control section covering said third air pollution increment of said air pollution grade determined in step d).

2. A method for cleaning air as claimed in claim 1,

wherein said plurality of blow control section comprises a base increment of air pollution inherently pre-set according to each of said air pollution grades and at least one multiple of said base increment.

3. A method for cleaning air as claimed in claim 2,

wherein a base increment of an air pollution grade of higher initial value of air pollution is lower than a base increment of an air pollution grade of lower air pollution.

4. A method for cleaning air as claimed in claim 1, further comprising a step of varying an interval between said blow control sections in response to a user'"'"'s manual selection.

5. A method for cleaning air regardless of initial value of air pollution in an air cleaner, comprising the steps of:

a) sensing at a first time an initial value of air pollution and obtaining a first air pollution increment when the air cleaner is powered on;

b) determining a base increment of air pollution according to said initial value;

c) sensing a present value of air pollution a certain time later than said first time and obtaining a second air pollution increment;

d) obtaining a third air pollution increment from said initial value of air pollution and said present value of air pollution first by subtracting said first air pollution increment from said second air pollution increment;

e) comparing said third air pollution increment with said base increment and at least one multiple of said base increment; and

f) controlling an amount of air blow in accordance with the comparison performed in step e).

6. A method for cleaning air as claimed in claim 5,

wherein said base increment is determined lower as said initial value is sensed higher.

7. A method for cleaning air as claimed in claim 5, further comprising a step of varying a value for said base increment in response to a user'"'"'s manual selection.

8. A method for cleaning air independent of an initial value of air pollution in an air cleaner, comprising the steps of:

(a) manually activating a switch to provide a preselected voltage as an emergency operation signal to a microcomputer;

(b) sensing at a first time an initial value of air pollution and obtaining a first air pollution increment when the air cleaner is first powered on;

(c) sensing a present value of air pollution at a time after step (b) which is a time later than said first time and obtaining a second air pollution increment;

(d) obtaining a third air pollution increment from said first air pollution and said second air pollution increments by subtracting said first air pollution increment from said second air pollution increment; and

(e) operating a blower in an air cleaner that can generate different amounts of wind, the different amounts of wind dependent on the third air pollution increment obtained in step (d).