CN106907791A - Air purifier - Google Patents
Air purifier Download PDFInfo
- Publication number
- CN106907791A CN106907791A CN201611157239.5A CN201611157239A CN106907791A CN 106907791 A CN106907791 A CN 106907791A CN 201611157239 A CN201611157239 A CN 201611157239A CN 106907791 A CN106907791 A CN 106907791A
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- Prior art keywords
- air
- detection
- output
- air purifier
- stream
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
Abstract
The present invention provides air purifier.Air purifier has main body cover, air supplying part, purification of air portion, pollution detection portion and control unit.Main body cover possesses suction inlet and blow-off outlet.Air supplying part makes to be blown out from blow-off outlet from suction inlet leaked-in air.Purification of air portion from suction inlet leaked-in air to purifying.Pollution detection portion exports output signal corresponding with the particle diameter through the detection object in detection zone.Control unit judges the particle diameter of the detection object in detection zone based on output signal, and the output of the air supplying part is controlled based on the judged result.On the stream of the air that the configuration of pollution detection portion is produced in the driving along with air supplying part.
Description
Technical field
The present invention relates to a kind of air purifier.
Background technology
It is in the past known to have following air purifier：There is purification of air portion, the Yi Jifeng such as filter in main body cover
The fan air supplying part such as motor, using purification of air portion remove (collections) by make air supplying part driving and from suction inlet leaked-in air
Contained dust etc. (referring for example to Japanese Unexamined Patent Publication 2015-64173 publications and Japanese Unexamined Patent Publication 2002-89907 publications).
Air purifier as described above possesses the pollution detection portion of the particulate such as contained dust in detection air (in Japan
It is dust detector in JP 2002-89907 publications).The air purifier is based on the testing result in pollution detection portion and controls
The output of air supplying part processed.
The pollution detection portion of such air purifier have send light light-emitting component, receive light photo detector and
Heating part.Heating part produces ascending air, is conveyed in the detection zone by particulates such as dust to pollution detection portion.Pollution detection portion
The light of light-emitting component is irradiated in detection zone, receive what is reflected from the particulate being present in detection zone using photo detector
Reflected light, thus the presence or absence of detection of particles.Then, the light that pollution detection portion will receive is converted to electric signal, and to electric signal
It is amplified, to cause that the control units such as microcontroller are easily processed.
However, in the pollution detection portion of air purifier as described above, being produced using being heated to heating part
Ascending air is to conveying the particulate such as dust in detection zone, and particulate to being delivered in detection zone is detected.
But, only it is difficult to than larger particulate convey pollen etc. in detection zone by heating part heat.
Accordingly, it is difficult to compared with the accuracy of detection in high maintenance pollution detection portion.
The content of the invention
It is an object of the present invention to provide a kind of air of the accuracy of detection that can improve the particulate in pollution detection portion is net
Change device.
Air purifier of the invention has main body cover, air supplying part, purification of air portion, pollution detection portion and control
Portion.Main body cover possesses suction inlet and blow-off outlet.Air supplying part makes to be blown out from blow-off outlet from suction inlet leaked-in air.Air is net
Change portion from suction inlet leaked-in air to purifying.Pollution detection portion export with through the detection object in detection zone
The grain corresponding output signal of diameter.Control unit judges the particle diameter of the detection object in detection zone based on output signal,
The output of the air supplying part is controlled based on the judged result.The configuration of pollution detection portion is produced in the driving along with air supplying part
Air stream on.
Air purifier of the invention can improve the accuracy of detection of the particulate in pollution detection portion.
Brief description of the drawings
Fig. 1 is the stereogram of the air purifier in implementation method.
Fig. 2 is the general profile chart of the air purifier in implementation method.
Fig. 3 is the summary construction diagram of the dust sensor of the air purifier in implementation method.
Fig. 4 is the block diagram of the electric structure for representing the air purifier in implementation method.
Fig. 5 is the schematic configuration for illustrating the configuration of the dust sensor of the air purifier in implementation method
Figure.
Fig. 6 A are the purification of air for illustrating the form that " the smell cigarette " of the air purifier in implementation method is acted
The general profile chart of device.
Fig. 6 B are the purification of air for illustrating the form that " the house dust " of the air purifier in implementation method is acted
The general profile chart of device.
Fig. 6 C are the air purifiers for illustrating the form that " pollen " of the air purifier in implementation method is acted
General profile chart.
Fig. 7 A are the light-receiving device signal and pulse for illustrating the dust sensor of the air purifier in implementation method
The figure of the waveform of signal.
Fig. 7 B are the light-receiving device signal and pulse for illustrating the dust sensor of the air purifier in implementation method
The figure of the waveform of signal.
Fig. 8 is the schematic configuration for illustrating the configuration of the dust sensor of the air purifier in other examples
Figure.
Fig. 9 is the schematic configuration for illustrating the configuration of the dust sensor of the air purifier in other examples
Figure.
Figure 10 is the schematic configuration for illustrating the configuration of the dust sensor of the air purifier in other examples
Figure.
Figure 11 is the schematic configuration for illustrating the configuration of the dust sensor of the air purifier in other examples
Figure.
Specific embodiment
Hereinafter, an implementation method of air purifier is illustrated with reference to the accompanying drawings.
[structure]
As shown in figure 1, the air purifier 100 of present embodiment has the main body cover 1 of substantially box like.In main body cover
1 front-surface side is provided with suction inlet 2.In addition, being provided with blow-off outlet 3 in upper surface (top surface) side of main body cover 1.
As shown in Figure 1 and Figure 2, at suction inlet 2, it is provided with the filter 4 as purification of air portion that can be loaded and unloaded.Cross
Filter 4 has two kinds of filters 4a, 4b.Filter 4a is the dust-collecting filter for for example collecting dust, so-called PM2.5 etc..Filtering
Device 4b is the odor removal filter for for example removing stink.That is, filter 4 pairs is purified from the leaked-in air of suction inlet 2.In main body
Housed in shell 1 as the fan motor 5 of air supplying part, the fan motor 5 makes to be blown from blow-off outlet 3 from the leaked-in air of suction inlet 2
Go out.
In addition, the front-surface side in filter 4 is provided with the panel 6 that can move in the way of precoat filter 4.Panel 6
It is connected with main body cover 1 via panel actuator 6a (reference picture 4).Panel actuator 6a is an example of panel adjustment portion
Son.Panel actuator 6a makes the entirety of panel 6 move in the longitudinal direction or only make the bottom of panel 6 in fore-and-aft direction
Upper movement.
In addition, being provided with the transom window 7 that can be verted in blow-off outlet 3.Transom window 7 via transom window with actuator 7a (reference picture 4) with
Main body cover 1 is connected.Transom window actuator 7a makes transom window 7 vert.
As shown in Figure 1 and Figure 2, it is provided with as the dust sensor 8 in pollution detection portion in main body cover 1.
More particularly, as shown in figure 5, dust sensor 8 is configured in the stream different from the stream R1 for being provided with filter 4
On (wind path) R2.It should be noted that being provided with the stream R2 of dust sensor 8 and being provided with the stream R1 of filter 4 in downstream
Interflow.And, in the interflow stream R3 that the stream R2 for being provided with dust sensor 8 collaborates with the stream R1 for being provided with filter 4
Middle collecting fan motor 5.That is, the stream R2 for being provided with dust sensor 8 is connected with the interflow stream R3 for being provided with fan motor 5.
As shown in Figure 3 and 4, dust sensor 8 has heating part 10 and test section 11 in sensor housing 9.
As shown in figure 3, sensor housing 9 is hollow, with linear stream forming portion 12 and from stream shape
Two test section resettlement sections 13,14 of test section 11 are housed at the position departed from into portion 12.
The opening portion that can be flowed into mainly for air is formed with the base end part (being in figure 3 lower section) of stream forming portion 12
12a.In addition, be formed with the leading section (being in figure 3 top) of stream forming portion 12 can be mainly for the opening of air outflow
Portion 12b.
Heating part 10 is supported in the base end part side of the inside of stream forming portion 12 by support (not shown).
Heating part 10 is, for example, resistive element.In other words, heating part 10 can utilize and be produced by supply electric power
The heat of itself of heating part 10, makes to produce ascending air in sensor housing 9.As long as it should be noted that heating part 10 can be with
Constant heating is produced, is then not limited to resistive element.
In addition, two test section resettlement sections 13,14 and stream forming portion 12 are formed as, centered on stream forming portion 12
As trident shape.That is, test section resettlement section 13 is located at phase each other with test section resettlement section 14 centered on stream forming portion 12
Toss about.
As shown in figure 4, test section 11 has light-emitting component 15, photo detector 16, signal conversion part 17.Light-emitting component 15 shines
Penetrate light.Photo detector 16 receives light and exports electric signal (hereinafter referred to as " light-receiving device signal ") corresponding with the light quantity.Signal
The light-receiving device signal that converter section 17 will be exported from photo detector 16 is converted to pulse type corresponding with the amount of the particulate for detecting
Signal (hereinafter referred to as " output signal ") and exported to control unit 21.Light-emitting component 15 is contained in test section resettlement section 13.Separately
Outward, photo detector 16 is contained in test section resettlement section 14.
Light-emitting component 15 is, for example, the LED or semiconductor laser along a direction irradiation light by additional power source.In addition,
Photo detector 16 is, for example, to make the photodiode of conducting electric current change according to the light quantity for receiving.
As shown in figure 3, configuring collector lens 15a on the direction of illumination of the light of light-emitting component 15.By collector lens 15a
Aggregation light, thus the light quantity raising in detection zone Ar.In addition, in photo detector 16 by configuring collector lens on light direction
16a.Light is assembled by collector lens 16a, thus the light quantity in photo detector 16 is improved.Thereby, it is possible to detect small particulate.
It should be noted that collector lens 15a, 16a are used to improve light quantity.Therefore, if also can even if not configuring collector lens 15a, 16a
It is enough to meet as the detection specification of purpose, then can omit collector lens 15a, 16a.It should be noted that in present embodiment
In, detection zone Ar is configured in the inside of dust sensor 8.That is, detection zone Ar is configured on stream R2.
As shown in figure 4, signal conversion part 17 has amplifying circuit 18, comparison circuit 19 and output circuit 20.
18 pairs of light-receiving device signals from the output of photo detector 16 of amplifying circuit are amplified, so that it easily locates later
Reason, the electric signal after amplifying to the output of comparison circuit 19.
Comparison circuit 19 compares the electric signal and the threshold value VA and threshold for turning into determining reference value from the output of amplifying circuit 18
Value VB.Then, comparison circuit 19 is exported pulse signal as comparative result to output circuit 20.Hereinafter, will compare from amplification
The intensity of the electric signal of the output of circuit 18 is set to export A with comparative result obtained from threshold value VA, will compare from amplifying circuit 18
The intensity of the electric signal of output is set to export B with comparative result obtained from threshold value VB.
20 pairs of pulse signals exported by comparison circuit 19 of output circuit are suitably changed, so as to easily by control described later
Portion processed 21 is processed, and is exported the signal after conversion as output signal to control unit 21.
As shown in figure 4, control unit 21 is caused with fan motor 5, dust sensor 8, panel with actuator 6a and transom window
Dynamic device 7a is electrically connected, and air purifier 100 is uniformly controlled by controlling each several part.Control unit 21 is by controlling each portion
Point, thus control air net with any action in " smell cigarette " action, " house dust " action and " pollen " action
Change device 100.Control unit 21 is, for example, microcontroller.
In the case where for example dust sensor 8 detects the particulate less than 2 μm, control unit 21 is acted with " smell cigarette "
To control air purifier 100 (reference picture 6A).In this case, the counter plate actuator 6a of control unit 21 be controlled and
The entirety of panel 6 is set to move forwards.In addition, the control transom window actuator 7a of control unit 21 and make transom window 7 with outside relative to main body
The bottom surface of shell 1 turns into the mode of substantially 90 degree upward.Control unit 21 drives fan motor 5 in this condition.
In the case where such as dust sensor 8 detects more than 2 μm and particulate less than 10 μm, control unit 21 is with " room
Room dust " acts to control air purifier 100 (reference picture 6B).In this case, the counter plate actuator of control unit 21
6a is controlled and the bottom of panel 6 is moved forwards, so that panel 6 verts.In addition, the control transom window of control unit 21 is used
Actuator 7a and make transom window 7 by the bottom surface relative to main body cover 1 turn into substantially 45 degree in the way of vert.Control unit 21 is in the shape
Fan motor 5 is driven under state.
In the case where for example dust sensor 8 detects more than 10 μm of particulate, control unit 21 is come with " pollen " action
Control air purifier 100 (reference picture 6C).In this case, the counter plate actuator 6a of control unit 21 be controlled and only
The bottom of panel 6 is set to move forwards, so that panel 6 verts.In addition, control unit 21 controls transom window actuator 7a and makes gas
Window 7 is verted in the way of turning into substantially 30 degree relative to main body cover 1.Control unit 21 drives fan motor 5 in this condition.
In addition, in the air purifier 100 of present embodiment, as described above, due to being provided with the stream of dust sensor 8
R2 is connected with the interflow stream R3 for being provided with fan motor 5, therefore by changing the rotating speed (output) of fan motor 5, can
Wind speed (air quantity) in change stream R2.It should be noted that for example fan motor 5 drive when blow-off outlet 3 in minimum wind
It is 1.1m to measure3/ min, maximum quantity of wind is 8.7m3/min.Air purifier 100 is by the wind in change blow-off outlet 3 within the range
Amount, it is also possible to change the wind speed (air quantity) in stream R2.
Next, illustrating the change of light-receiving device signal caused by the difference of air quantity using Fig. 7 A and Fig. 7 B.
Fig. 7 A and Fig. 7 B represent corresponding with particle diameter different from each other, photo detector 16 signal (light respectively
Device signal) waveform with to control unit 21 export output signal waveform.Detection signal S1 in Fig. 7 A and Fig. 7 B is represented
Detect particle diameter be of about 1 μm and be light-receiving device signal in the case of more than 1 μm of particulate waveform.Fig. 7 A and figure
Detection signal S2 in 7B is represented and is detected that particle diameter is of about 2 μm and is light-receiving device in the case of more than 2 μm of particulate
The waveform of signal.Detection signal S3 in Fig. 7 A and Fig. 7 B is represented and is detected that particle diameter is of about 8 μm and is more than 8 μm
The waveform of the light-receiving device signal in the case of particulate.Detection signal S4 in Fig. 7 A and Fig. 7 B is represented and is detected that particle diameter is
About 10 μm and be light-receiving device signal in the case of more than 10 μm of particulate waveform.
In addition, Fig. 7 A show the waveform and therewith of the light-receiving device signal in the minimum air quantity i.e. air quantity W1 of fan motor 5
The waveform of associated output signal.And, Fig. 7 B show the light-receiving device signal in the air quantity W2 bigger than air quantity W1 waveform and
The waveform of associated output signal therewith.
From Fig. 7 A and Fig. 7 B, the particle diameter of particulate is bigger, and the intensity of light-receiving device signal is higher, therewith together,
The output time of light-receiving device signal is also elongated.In addition, by comparing Fig. 7 A and Fig. 7 B, even if as the particulate of detection object
Particle diameter it is identical, if air quantity is different, the waveform of light-receiving device signal is also different.More particularly, even if the particle of particulate
Diameter is identical, if air quantity is smaller, the intensity of light-receiving device signal is raised.
Therefore, in the present embodiment, threshold value VB is set as being used to judge right as detecting in the state of air quantity W1
The particulate of elephant is less than the judgment standard of 2 μm or more than 2 μm.Equally, threshold value VA is set as being used in the state of air quantity W1
In judging that the particulate as detection object is less than the judgment standard of 1 μm or more than 1 μm.Here, threshold value VB is set as
It is used to judge that as the particulate of detection object be less than the judgment standard of 10 μm or more than 10 μm in the state of air quantity W2.Separately
Outward, threshold value VA is set as in the state of air quantity W2 be used for judge as the particulate of detection object be less than 2 μm or 2 μm with
On judgment standard.Here, comparison circuit 19 is exported in the case where the intensity of light-receiving device signal is less than threshold value VA as output A
Signal is closed, in the case where the intensity of light-receiving device signal is for more than threshold value VA as output A output ON signals.In addition, relatively more electric
Signal is closed in road 19 in the case where the intensity of light-receiving device signal is less than threshold value VB as output B outputs, in the strong of light-receiving device signal
Spend to export ON signal as output B in the case of more than threshold value VB.Hereinafter, the state representation that will export ON signal is to open shape
State, will export the state representation for closing signal is closed state.
In other words, control unit 21 can judge according to the state of output A and output B with the air quantity of fan motor 5
The particle diameter of particulate.More particularly, as described below.
In the case that control unit 21 is in closed state in the state of air quantity W1 in output A and output B, it is judged as micro-
Grain do not exist or particulate particle diameter less than 1 μm.Control unit 21 in the state of air quantity W1 output A be in open state and
In the case that output B is in closed state, it is judged as the particle diameter of particulate for more than 1 μm and less than 2 μm.Control unit 21 is in air quantity
In the state of W1 in the case where output A and output B are in open state, it is judged as that the particle diameter of particulate is more than 2 μm.
In the case that control unit 21 is in closed state in the state of air quantity W2 in output A and output B, it is judged as micro-
The particle diameter of grain is less than 2 μm.Control unit 21 is in open state in output A in the state of air quantity W2 and output B is in and closes shape
In the case of state, it is judged as the particle diameter of particulate for more than 2 μm and less than 10 μm.Control unit 21 in the state of air quantity W2
In the case that output A and output B are in open state, it is judged as that the particle diameter of particulate is more than 10 μm.
[effect]
Illustrate the effect (action example) of air purifier 100 for constituting as described above.
In addition, control unit 21 is based on the particle diameter of the particulate detected by dust sensor 8, it is dynamic with " smell cigarette "
Any action in work, " house dust " action, " pollen " action acts air purifier 100.More particularly, following institute
State.
Control unit 21 is in air quantity W1 in the case where output A and output B are in closed state or in air quantity W1
Locate in output A and output B in the case where output A is in open state and output B is in closed state or in air quantity W2
In the case of closed state, it is judged as particle diameter less than 2 μm, implements " smell cigarette " action.
Control unit 21 is in air quantity W1 in the case where output A and output B are in open state or in air quantity W2
In the case where output A is in open state and output B is in closed state, it is judged as particle diameter for more than 2 μm and less than 10 μm,
Implement " house dust " action.
Control unit 21, in the case where output A and output B are in open state, is judged as particle diameter in air quantity W2
It is more than 10 μm, implements " pollen " action.
It should be noted that control unit 21 can also be based on by being operated to operating portion by user this operate come
Control the output of fan motor 5.
[effect]
Next, recording the effect of present embodiment.
(1) air purifier 100 possess main body cover 1, the fan motor 5 as air supplying part, as purification of air portion
Filter 4, dust sensor 8 and control unit 21 as pollution detection portion.Main body cover 1 possesses suction inlet 2 and blowout
Mouth 3.Fan motor 5 makes to be blown out from blow-off outlet 3 from the leaked-in air of suction inlet 2.Filter 4 pairs is from the leaked-in air of suction inlet 2
Purified.Dust sensor 8 exports output signal corresponding with the particle diameter through the detection object in detection zone Ar.
Control unit 21 judges the particle diameter of the detection object in detection zone Ar based on output signal, is controlled based on the judged result
The output of fan motor processed 5.Dust sensor 8 configures the stream R2 in the air produced along with the driving of fan motor 5
On.
Thus, make to be accessible in detection zone Ar only by the ascending air of heating part 10 using fan motor 5
Larger particulate easily reach in detection zone Ar.Therefore, air purifier 100 can improve micro- in dust sensor 8
The accuracy of detection of grain.
(2) control unit 21 is by controlling the output of fan motor 5 come the wind speed in the Ar of alteration detection region.
Thus, air purifier 100 can make the Strength Changes of the light-receiving device signal in dust sensor 8.Thus, ash is made
The detection range displacement of the particle diameter of the particulate in dust sensor 8.As a result, the detection of the particulate in dust sensor 8
Precision is improved.
(3) dust sensor 8 is configured on the stream R2 different from the stream R1 of filter 4 is configured with.
Thus, dust sensor 8 will not be reduced by the air quantity in the stream R1 that is produced by filter 4 and influenceed, can
Carry out the detection of particulate.
(4) air purifier 100 is also equipped with panel 6 and the panel actuator 6a as panel adjustment portion.Panel 6 with
The mode that can be moved relative to main body cover 1 is arranged on the position by upstream side than filter 4.Panel actuator 6a passes through
Panel 6 is set to move to adjust the amount from the leaked-in air of suction inlet 2.
Thus, it is also possible to wind speed of the adjustment for the stream R2 of the configuration of dust sensor 8.
(5) control unit 21 is based on threshold value VA set in advance and threshold value VB and output signal, judges in detection zone Ar
Detection object particulate particle diameter, the output of fan motor 5 is controlled based on the judged result.That is, it is many due to setting
Individual threshold value, therefore the accuracy of detection of the particle diameter of particulate is further improved.
[variation]
It should be noted that above-mentioned implementation method can also be changed as described below.
(1) in the above-described embodiment, threshold value VB is set to, and is used to judge right as detection in the state of air quantity W1
The particulate of elephant is less than the judgment standard of 2 μm or more than 2 μm and right as detection for judging in the state of air quantity W2
The particulate of elephant is less than the judgment standard of 10 μm or more than 10 μm.In addition, threshold value VA is set to, in the state of air quantity W1
Particulate for judging as detection object is less than the judgment standard of 1 μm or more than 1 μm, and in the state of air quantity W2
For judging that the particulate as detection object is less than the judgment standard of 2 μm or more than 2 μm.But, the setting of threshold value is not limited
In this, as long as can interpolate that the particle diameter for wanting detection, then can arbitrarily set.In addition, multiple threshold values can also be three
Threshold value above.
(2) in the above-described embodiment, employ and ash is set on the stream R2 different from the stream R1 of filter 4 is provided with
The structure of dust sensor 8, but it is also possible to do not use the structure.
As shown in Figure 8, it is also possible to dust sensor 8 is set in the side of suction inlet 2 relative to filter 4 using on stream R1
Structure.
As shown in Figure 9, it is also possible to use and be provided with the upstream side of the stream R1 of filter 4 and be provided with dust sensor 8
Stream R2 upstream side by the structure of each passage confluent.In other words, it would however also be possible to employ branch into stream R1 with stream from midway
The structure of road R2.
As shown in Figure 10, it would however also be possible to employ the structure of filter 4 is set on stream R3 is collaborated.
As shown in figure 11, air purifier 100 can also possess as the baffle plate 30 of air quantity adjustment portion.Baffle plate 30 is arranged on
It is configured with the stream R2 of dust sensor 8, and adjusts the air quantity in stream R2.Thereby, it is possible to be independently adjustable with stream R1
The wind speed of stream R2.As long as it should be noted that air quantity adjustment portion can adjust the air quantity in stream R2, being then not limited to baffle plate
30.In addition, baffle plate 30 is arranged on the side of suction inlet 2 on stream R2 relative to dust sensor 8 in fig. 11, but it is also possible to relative
The side of blow-off outlet 3 is arranged in dust sensor 8.
(3) in the above-described embodiment, the structure of dust sensor 8 is that have heating part 10 in sensor housing 9
Structure, but it is not limited to the structure.As long as dust sensor 8 can make to produce ascending air in sensor housing 9, then dust is passed
The electricity of sensor 8 can the outside of sensor housing 9 and be near the 12a of opening portion have heating part 10.Alternatively, it is also possible to using province
Omit heating part 10 and make to produce the structure of air-flow in dust sensor 8 merely with fan motor 5.
(4) in the above-described embodiment, the structure that panel 6 can be moved is employed, but it is also possible to using irremovable
Structure, the structure for securing panel 6.
(5) in the above-described embodiment, the structure of the air from front-surface side suction chamber is employed, but it is also possible to use
The structure of the air from side or back side suction chamber.In such a situation it is preferred to be set in mode corresponding with suction position
Filter 4 and panel 6.
(6) in the above-described embodiment, filter 4 is constituted by both filter 4a and filter 4b, but it is also possible to
Filter 4 is set to be made up of a filter or be made up of more than three filters.
(7) though not specified in the above-described embodiment, air purifier 100 can also for example possess carries out interior
Humidification humidifying unit or carry out interior dehumidifying Dehumidifying element.
(8) can also appropriately combined above-mentioned implementation method and each variation.
As described above, air purifier involved in the present invention can improve the detection essence of the particulate in dust sensor
Degree.Therefore, the present invention also can be suitable for the structure of the use dust sensor for example other air-conditioning devices etc..
Claims (6)
1. a kind of air purifier, it is characterised in that
The air purifier has：
Main body cover, it possesses suction inlet and blow-off outlet；
Air supplying part, it makes to be blown out from the blow-off outlet from the suction inlet leaked-in air；
Purification of air portion, it from the suction inlet leaked-in air to purifying；
Pollution detection portion, its output output signal corresponding with the particle diameter through the detection object in detection zone；And
Control unit, it is based on the output signal to judge the particle diameter of the detection object in the detection zone, and is based on
The judged result controls the output of the air supplying part,
The pollution detection portion configuration is on the stream of the air produced along with the driving of the air supplying part.
2. air purifier according to claim 1, it is characterised in that
The control unit changes the wind speed in the detection zone by controlling the output of the air supplying part.
3. air purifier according to claim 1 and 2, it is characterised in that
The pollution detection portion configuration is on the stream different from the stream in the purification of air portion is configured with.
4. air purifier according to claim 1 and 2, it is characterised in that
The air purifier is also equipped with：
Panel, it is arranged on than the purification of air portion by upstream side in the way of it can be moved relative to the main body cover
Position；And
Panel adjustment portion, it moves the panel according to the judged result, so as to adjust the sky flowed into from the suction inlet
The amount of gas.
5. air purifier according to claim 3, it is characterised in that
The air purifier is also equipped with air quantity adjustment portion, and the air quantity adjustment portion is arranged on the stream for being configured with the pollution detection portion
Lu Shang, and the air quantity in the stream is adjusted.
6. air purifier according to claim 1 and 2, it is characterised in that
The control unit judges the detection in the detection zone based on multiple threshold values set in advance and the output signal
The particle diameter of object, the output of the air supplying part is controlled based on the judged result.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-250151 | 2015-12-22 | ||
| JP2015250151A JP2017116147A (en) | 2015-12-22 | 2015-12-22 | Air cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106907791A true CN106907791A (en) | 2017-06-30 |
Family
ID=59207172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611157239.5A Pending CN106907791A (en) | 2015-12-22 | 2016-12-14 | Air purifier |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2017116147A (en) |
| CN (1) | CN106907791A (en) |
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| CN108526030A (en) * | 2018-05-16 | 2018-09-14 | 顺丰科技有限公司 | The control method of detection device, sorting device and sorting device |
| CN113227760A (en) * | 2018-12-27 | 2021-08-06 | 株式会社电装 | Dust detection device |
| WO2022265085A1 (en) | 2021-06-17 | 2022-12-22 | ダイキン工業株式会社 | Control method and device for purification equipment, and purification equipment |
| CN113227760B (en) * | 2018-12-27 | 2024-05-10 | 株式会社电装 | Dust detection device |
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| JP7234619B2 (en) * | 2018-12-20 | 2023-03-08 | 株式会社デンソー | vehicle air conditioner |
| CN110530016B (en) * | 2019-08-08 | 2021-02-23 | 浙江今顶集成吊顶有限公司 | Control method for self-cleaning of ceiling fan heater |
| CN111928369A (en) * | 2020-08-12 | 2020-11-13 | 深圳市万聚源科技股份有限公司 | Multi-scene available anion air purification device with sterilization function |
| CN113091197A (en) * | 2021-03-04 | 2021-07-09 | 珠海格力电器股份有限公司 | Automatic dust removal method for air conditioner outdoor unit and air conditioner |
| CN113587411A (en) * | 2021-08-04 | 2021-11-02 | 江苏净松环境科技有限公司 | Multi-stage speed regulation device and method for fresh air system |
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| JP2017116147A (en) | 2017-06-29 |
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Application publication date: 20170630 |