Air purifier

Patent metadata

Field	Value
Publication number	US-9266118-B2
Application number	US-201214241756-A
Country	US
Kind code	B2
Filing date	Sep 6, 2012
Priority date	Sep 27, 2011
Publication date	Feb 23, 2016
Grant date	Feb 23, 2016

Abstract

Provided is an air purifier capable of increased air purification properties due to charged particles being blown out. A first air-blower blasts air, thus drawing air in from the outside to a first air-flow path, and an air-purification unit purifies the air and blows out same. A second air blower blasts air, thus drawing air in from the outside to a second air-flow path, and the air is blown out together with charged particles generated by a charged particle generator. A control unit controls the amount of air blasted by the second air-blower, according to the amount of air blasted by the first air-blower. Alternatively, the control unit controls the angle to be adjusted by the regulator, according to the amount of air blasted by the first air-blower.

First claim

What is claimed is:

1. An air purifier comprising:
a first air blower taking air from outside into the air purifier;
a first airflow path through which the air taken in by the first air blower passes and which blows out the air to outside;
an air cleaning unit cleaning the air passing through the first airflow path;
a second air blower taking air from outside into the air purifier;
a second airflow path through which the air taken in by the second air blower passes and which blows out the air passed through the second airflow path in a direction different from the direction in which the air is blown out from the first airflow path;
a charged particle generator generating charged particles in the air passing through the second airflow path; and
a control mechanism controlling an amount or angle of the air blown by the second air blower in accordance with the amount of the air blown by the first air blower,
wherein the control mechanism includes:
a regulator regulating an angle in a vertical direction of the air blown out from the second airflow path, and
a second control unit controlling operation of each of the first air blower and the regulator, the second control unit controlling an angle to be regulated by the regulator in accordance with the amount of the air blown by the first air blower.

2. The air purifier according to claim 1 , wherein
the first airflow path and the second airflow path blow out air diagonally upward from the air purifier in directions not interfering with each other.

3. The air purifier according to claim 1 , wherein
the second control unit controls the angle to be regulated by the regulator to a lower side when the amount of the air blown by the first air blower is increased, and the angle to be regulated by the regulator to an upper side when the amount of the air blown by the first air blower is decreased.

4. The air purifier according to claim 1 , wherein
the second control unit includes a second memory memorizing a pre-set air volume, and
the second memory memorizes such setting of the angle to be regulated by the regulator as to be lower side or maintained when the amount of the air blown by the first air blower is increased in association with set values in a plurality of stages for the amount of the air blown by the first air blower.

5. The air purifier according to claim 1 , further comprising a pollution detection unit detecting a degree of pollution in the air taken into the first airflow path,
wherein the second control unit controls the amount of the air blown by the first air blower and the angle to be regulated by the regulator in accordance with a detection result obtained by the pollution detection unit.

6. The air purifier according to claim 1 , further comprising:
a humidity detection unit detecting humidity of the air taken into the first airflow path; and
a humidification unit humidifying the air taken into the first airflow path,
wherein the second control unit controls the amount of the air blown by the first air blower and the angle to be regulated by the regulator in accordance with a detection result obtained by the humidity detection unit.

7. The air purifier according to claim 5 , wherein
the second control unit performs such control that the amount of the air blown by the first air blower is increased and the angle to be regulated by the regulator is changed to a lower side when the pollution detected by the pollution detection unit is changed to be equal to or larger than a predetermined amount, and that the amount of the air blown by the first air blower is decreased and the angle to be regulated by the regulator is changed to an upper side when the pollution detected by the pollution detection unit is changed to be smaller than the predetermined amount.

8. The air purifier according to claim 5 , wherein
the second control unit includes a fifth memory memorizing a pre-set air volume, the fifth memory memorizing a plurality of combinations of the amount of the air blown by each of the first air blower and the angle to be regulated by the regulator in association with different predetermined amounts for pollution, respectively,
the amount of the air blown by the first air blower associated with one of the predetermined amounts for pollution is set to be equal to or larger than the amount of the air associated with another one of the predetermined amounts for pollution which is smaller than said one of the predetermined amounts for pollution, and
the angle to be regulated by the regulator associated with one of the predetermined amounts for pollution is set to be more upward than the angle associated with said another one of the predetermined amounts for pollution.

9. The air purifier according to claim 6 , wherein
the second control unit increases the amount of the air blown by the first air blower and controls the angle to be regulated by the regulator to the lower side when the humidity detected by the humidity detection unit is changed to be lower than a predetermined humidity, and
the second control unit decreases the amount of the air blown by the first air blower and controls the angle to be regulated by the regulator to the upper side when the humidity is changed to be equal to or higher than the predetermined humidity.

10. The air purifier according to claim 6 , wherein
the second control unit includes a sixth memory memorizing a pre-set air volume, the sixth memory memorizing a plurality of combinations of the amount of the air blown by the first air blower and the angle to be regulated by the regulator in association with different predetermined humidity values, respectively, and
the amount of the air blown by the first air blower associated with one of the predetermined humidity values is equal to or higher than the amount of the air associated with another one of the predetermined humidity values which is higher than said one of the predetermined humidity values, and
the angle to be regulated by the regulator associated with said one of the predetermined humidity values is set downward side than an angle associated with said another one of the predetermined humidity values.

11. An air purifier comprising:
a first air blower taking air from outside into the air purifier;
a first airflow path through which the air taken in by the first air blower passes and which blows out the air to outside;
an air cleaning unit cleaning the air passing through the first airflow path;
a second air blower taking air from outside into the air purifier;
a second airflow path through which the air taken in by the second air blower passes and which blows out the air passed through the second airflow path in a direction different from the direction in which the air is blown out from the first airflow path;
a charged particle generator generating charged particles in the air passing through the second airflow path; and
a control mechanism controlling an amount or angle of the air blown by the second air blower in accordance with the amount of the air blown by the first air blower,
wherein
the control mechanism includes a first control unit controlling the amount of the air blown by each of the first air blower and the second air blower, the first control unit controlling the amount of the air blown by the second air blower in accordance with the amount of the air blown by the first air blower.

12. The air purifier according to claim 11 , wherein
the first airflow path and the second airflow path blow out air diagonally upward from the air purifier in directions not interfering with each other.

13. The air purifier according to claim 11 , wherein
the first control

Assignees

• Iwaki Nobuhiro
• Sharp Kk

Inventors

• Iwaki Nobuhiro

Classifications

• F24F11/79

  for controlling the direction of the supplied air · CPC title

• F24F11/77

  by controlling the speed of ventilators · CPC title

• F24F11/64

  using pre-stored data · CPC title

• F24F11/52

  Indication arrangements, e.g. displays · CPC title

• Y02B30/78

  Cross-Sectional Technologies · mapped topic