Air treatment device

Patent metadata

Field	Value
Publication number	US-9259498-B2
Application number	US-201214232739-A
Country	US
Kind code	B2
Filing date	Jul 13, 2012
Priority date	Jul 18, 2011
Publication date	Feb 16, 2016
Grant date	Feb 16, 2016

Abstract

An embodiment of the invention provides an air treatment device. The air treatment device comprises an air purifying unit configured to purify air; a scent dispenser configured to dispense scent; an air detector, configured to detect the purified air and provide an output signal; and a processor configured to receive the output signal from the air detector and control the operation speed of the air purifying unit and the dispensing flow of scent dispensed by the scent dispenser, based on the output signal, wherein the dispensing flow of scent dispensed by the scent dispenser is decreased with the increase of the operating speed of the air purifying unit. Another embodiment of the invention provides a method of controlling a scent dispenser and an air purifying unit of an air treatment device, wherein the air treatment device further includes an air detector and a processor. The method comprises the steps of purifying air by using the air purifying unit; detecting the purified air by using the air detector; controlling, by using the processor, the operating speed of the air purifying unit and the dispensing flow of scent dispensed by the scent dispenser, based on the detection result, wherein the dispensing flow of scent dispensed by the scent dispenser is decreased with the increase of the operating speed of the air purifying unit.

First claim

The invention claimed is:

1. An air treatment device comprising:
an air purifying unit configured to purify:
a scent dispenser configured to dispense scent;
an air detector configured to detect the purified air and provide an output signal, wherein the air detector comprises a particle sensor;
a processor configured to:
receive the output signal from the air detector; and
control an operating speed of the air purifying unit and the dispensing flow of scent dispensed by the scent dispenser based on the output signal, wherein the dispensing flow of scent dispensed by the scent dispenser is decreased with an increase of the operating speed of the air purifying unit.

2. The air treatment device of claim 1 , wherein the processor is configured to
determine a quality of the purified air based on the output signal;
control the air purifying unit to purify air at a first speed and control the scent dispenser to dispense a first dispensing flow of scent when the quality of the purified air meets a first criterion; and control the air purifying unit to purify air at a second speed and control the scent dispenser to dispense a second dispensing flow of scent when the quality of the purified air meets a second criterion, wherein the first speed is higher than the second speed and the first dispensing flow is smaller than the second dispensed flow.

3. The air treatment device of claim 2 , further comprising
a user interface configured to receive a first signal and provide the first signal to the processor;
wherein the processor is further configured to:
control the scent dispenser to dispense a predefined dispensing flow of scent and control the air purifying unit to purify air at a predefined speed, based on the first signal, until a predetermined condition is satisfied.

4. The air treatment device of claim 3 , wherein the predetermined condition comprises one of:
whether a predefined duration has expired and
whether a second signal is received.

5. An air treatment device comprising:
a scent dispenser;
an air purifying unit
a particle sensor air detector; and
a processor:
detecting air purified by the air detector;
controlling an operating speed of the air purifying unit and a dispensing flow of the scent dispensed by the scent dispenser, based on a result of the detected purified air, wherein the dispensing flow of scent dispensed by the scent dispenser is decreased with an increase of the operating speed of the air purifying unit.

6. The device of claim 5 , wherein the processor further:
determining a quality of the purified air based on the detection result;
controlling the air purifying unit to purify air at a first speed and controlling the scent dispenser to dispense a first dispensing flow of scent when the quality of the purified air meets a first criterion; and
controlling the air purifying unit to purify air at a second speed and controlling the scent dispenser to dispense a second dispensing flow of scent when the quality of the purified air meets a second criterion,
wherein the first speed is larger than the second speed and the first dispensing flow is smaller than the second dispensing flow.

7. The device claim 6 , the processor further:
receiving a first signal; and
controlling the scent dispenser to dispense a predefined dispensing flow of scent and controlling the air purifying unit to purify air at a predefined speed, based on the first signal, until a predetermined condition is satisfied.

8. The device of claim 7 , wherein the predetermined condition is satisfied if one of is fulfilled:
a predefined duration is reached; and
a second signal is received.

9. A set of computer-executable instructions stored on a non-transitory medium, which is not a signal or a wave, which when accessed by a processor causes the processor to:
control:
an operating speed of an air purifying unit, and
a dispensing flow of a scent dispensed by a scent dispenser, based on a detection result provided by a particle sensor detection system, wherein the dispensing flow of scent dispensed by the scent dispenser is decreased with an increase of the operating speed of the air purifying unit.

Assignees

• Shen Fangzhong
• Koninkl Philips Nv

Inventors

• Shen Fangzhong

Classifications

• B60H3/0035

  characterised by the control methods for adding the substance · CPC title

• B60H2003/0042

  with ventilating means for adding the substances · CPC title

• F24F2003/1689

  Mechanical Engineering · mapped topic

• Y02B30/746

  Cross-Sectional Technologies · mapped topic

• B60H2003/0683

  the quality of the filter or the air being checked · CPC title