CN1291524A - Air purifier - Google Patents
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- CN1291524A CN1291524A CN 00123897 CN00123897A CN1291524A CN 1291524 A CN1291524 A CN 1291524A CN 00123897 CN00123897 CN 00123897 CN 00123897 A CN00123897 A CN 00123897A CN 1291524 A CN1291524 A CN 1291524A
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Abstract
An air cleaner capable of preventing the operation of a fan caused by transient dirt and noise. A motor for driving a fan, a motor control circuit for controlling the operation of the motor, a dirt detecting part, a human body sensitive sensor and a control circuit for controlling the motor control circuit based on the output signal of the human sensitive sensor and the output signal of the dirt detecting part when automatic mode is selected by an operation switch SW are provided. The dirt detecting part is provided with a signal processing circuit for outputting the output signal in accordance with the dirt of air based on the input from a dust sensor and a gas sensor. The control circuit controls the motor control circuit so that the fan is driven for delay time later when detected output is inputted from the dirt detecting part after lapse of a specified time after detecting no human movement by the human body sensitive sensor.
Description
The present invention relates to a kind of air purifier that purifies air.
At present, such air purifier can be provided, possess in order to detect the pollution condition of air, dust (ash in the sensing chamber, dust etc.) and the dust sensor of the dust (particle) of pollen particle etc., can select automatic mode, this automatic mode is the pattern according to the detection output handover configurations fan-status in the enclosure of dust sensor.As this automatic mode, have corresponding to the detection output of for example dust sensor and the magnitude relationship of 3 threshold values, with low speed, middling speed, the pattern of the velocity of rotation of 3 gear switch fans at a high speed.In addition, such air purifier can also be provided, this defecator can be selected 2 kinds of following automatic modes by the user: the one, corresponding to the magnitude relationship of the detection of dust sensor output and 3 threshold values at low speed, middling speed, switch the automatic mode of fan velocity of rotation between these 3 shelves at a high speed, the 2nd, no matter dust sensor detects the size of exporting when the detection output of dust sensor surpasses minimum threshold, all rotate, and the fan velocity of rotation can not jump at a high speed or the automatic mode of mid ranger with the driven at low speed fan.Also have such air purifier, except dust sensor, also possess the gas sensor of the foul smell composition that detects smoke from cigarette etc., and can be output as the basis, select to switch the automatic mode of fan-status with the detection of gas sensor.
When above-mentioned air purifier uses, in most cases adopt automatic mode in the room as bedroom or study etc. that needs peace and quiet.Yet indoor dust will be suspended in the air in personnel walk about, and stop in case personnel walk about, and air flow to reduce, floating dust fall gradually (sending the dust settling phenomenon).Therefore, for being arranged at as the air purifier in the bedroom, when having selected on low speed, middling speed, at a high speed 3 grades, to switch the automatic mode of fan velocity of rotation, even before going to bed, the detected detected value of dust sensor is littler than minimum threshold, and fan is stopping, and after going to bed, because of fall the gradually reason of (this dust is momentary pollution) of dust, the detected value of dust sensor surpasses minimum threshold, and fan also can be to slowly run.In addition, because fan rotates, suck surrounding air, detected value rises, and fan can switch to middling speed from low speed and rotate, and the dry sound of the rotation of fan can pass in people's ear.
Also have such situation and take place, even as the study, people's seat seldom and is walked about, and because of momentary pollution cause, fan also can be to slowly run.In addition, when momentary noise takes place as dust sensor detection output surpasses above-mentioned threshold value, also the improper point that fan begins to rotate can appear.
The present invention makes in view of the foregoing, and its purpose is to provide a kind of air purifier that can prevent because of the former thereby fan rotation of momentary pollution.
The present invention 1 to achieve these goals, it is characterized in that possessing fan drive device, this drive unit is configured in the support, drive fan sucks extraneous air and blow out; Air cleaning unit, this purifier carries out purified treatment to the air that is inhaled into; Pollution detection portion, this test section can obtain the detection output corresponding with air pollution degree; The personnel in the district to be detected of detecting walk about situation human body sensor and control the control device of fan drive device by following mode, promptly, not detecting personnel at human body sensor walks about, and through after the stipulated time, during from a detection of pollution detection portion input control device output signal, a rear drive time delay fan that only postpones regulation rotates.Therefore, this device can prevent that under the human body sensor state that personnel of detecting do not walk about the detection output that momentary pollution or noise (unnecessary driving fan this moment) cause is under the situation of pollution detection portion generation, and directly the phenomenon of drive fan takes place.
The present invention's 2 feature is on the present invention's 1 basis, and fan can many grades switches velocities of rotation.
The present invention's 3 feature is on the present invention's 2 basis, fan drive device at least can low-speed mode, middle fast mode, 3 gear switch fan speeds of fast mode, control device is when postponing to control fan drive device after above-mentioned time delay, make fan control fan drive device in the mode of low-speed mode operation, so when using in the room that needs peace and quiet with the study in the bedroom, can prevent that one crosses under the situation that detection output that contact scar or noise (unnecessary driving fan this moment) cause sends from pollution detection portion, directly the phenomenon of drive fan takes place, and guarantees the room peace and quiet.
The present invention's 4 is on the present invention's 3 basis, control device is postponing above-mentioned time delay, after low-speed mode drive fan ground control fan drive device, this low-speed mode is kept a period of time ground control fan drive device, therefore, can keep the room peace and quiet more reliably.
The present invention's 5 is on the present invention's 3 basis, possesses the operating portion that can on 3 gears of low-speed mode, middle fast mode, fast mode at least, switch the velocity of rotation of sending out the setting fan, control device, after utilizing operating portion to set only to postpone above-mentioned time delay under the situation of a pattern except that low-speed mode during the control fan drive device, drive fan is controlled fan drive device rotationally with low-speed mode in a period of time, therefore, can guarantee peace and quiet more reliably.
The present invention 6 based on the present invention 1 to the present invention's 5, pollution detection portion constitutes by contaminant sensor with according to the signal processing circuit that the detection output signal of contaminant sensor obtains the detection output signal corresponding with the pollution level of air; Above-mentioned contaminant sensor is made of at least one with the gas sensor that detects the foul smell composition of the dust sensor that detects dust.
The present invention's 7 is characterised in that to possess fan drive device, and this drive unit is configured in the support, and drive fan sucks extraneous air and blow out; Air cleaning unit, this purifier carries out purified treatment to the air that is inhaled into; Pollution detection portion, this test section can obtain the detection output corresponding with air pollution degree; Obtain with respect to a reference value of surrounding brightness and light and shade sensors bright/dark corresponding 2 value output signals and control the control device of fan drive device by following mode, promptly, when the output of light and shade sensor becomes black level, and through after the stipulated time, during from pollution detection portion input detection output signal, a rear drive time delay fan that only postpones regulation rotates.After so just can preventing deepening around, under the situation that the detection output that momentary pollution or noise (this moment unnecessary driving fan) cause is sent from pollution detection portion, directly the phenomenon of drive fan takes place.
The present invention's 8 feature is on the present invention's 7 basis, and fan can many grades switches velocities of rotation.
The present invention's 9 feature is on the present invention's 8 basis, fan drive device at least can low-speed mode, middle fast mode, 3 gear switch fan speeds of fast mode, control device is when postponing to control fan drive device after above-mentioned time delay, make fan control fan drive device in the mode of low-speed mode operation, so when using in the room that needs peace and quiet with the study in the bedroom, can prevent that one crosses under the situation that detection output that contact scar or noise (unnecessary driving fan this moment) cause sends from pollution detection portion, directly the phenomenon of drive fan takes place, and guarantees the room peace and quiet.
The present invention's 10 is on the present invention's 9 basis, because control device is postponing above-mentioned time delay, after low-speed mode drive fan ground control fan drive device, this low-speed mode is kept a period of time ground control fan drive device, therefore, can keep the room peace and quiet more reliably.
The present invention's 11 is on the present invention's 9 basis, possesses the operating portion of on 3 gears of low-speed mode, middle fast mode, fast mode at least, setting the velocity of rotation of fan, because control device, after utilizing operating portion to set only to postpone above-mentioned time delay under the situation of a pattern except that low-speed mode during the control fan drive device, drive fan is controlled fan drive device rotationally with low-speed mode in a period of time, therefore, can guarantee peace and quiet more reliably.
Below accompanying drawing and label thereof are briefly explained.
Fig. 1 is the circuit block diagram of embodiment 1.
Fig. 2 is the circuit diagram of the pollution detection portion of embodiment 1.
Fig. 3 is the circuit diagram of the circuit for controlling motor of embodiment 1.
Fig. 4 is the circuit diagram of the control circuit of embodiment 1.
Fig. 5 is the action specification figure of embodiment 1.
Fig. 6 illustrates the structure of embodiment 1, and wherein (a) is front view, (b) is vertical view.
Fig. 7 is the left side view that embodiment 1 structure is shown.
Fig. 8 is the right side view that embodiment 1 structure is shown.
Fig. 9 is the front view of the major part of embodiment 1.
Figure 10 illustrates embodiment 2, wherein, (a) is front view, (b) is main cutaway view, (c) is sectional view.
Figure 11 is the main circuit figure of embodiment 2.
Figure 12 is the action specification figure of embodiment 2.
Figure 13 is the main circuit figure of embodiment 3.
Figure 14 is the action specification figure of embodiment 3.
Figure 15 is the main circuit figure of embodiment 4.
Figure 16 is the action specification figure of embodiment 4.
Figure 17 is the main circuit figure of embodiment 5.
Figure 18 is the action specification figure of embodiment 5.
Figure 19 is the main circuit figure of embodiment 6.
Figure 20 is the action specification figure of embodiment 6.
In above-mentioned accompanying drawing, 1-fan control circuitry, 2-pollution detection portion, 2a-dust sensor, 2b-gas sensor, 3-signal processing circuit, 4-human body sensor, 5-control circuit.
As shown in Figure 1, the air purifier of present embodiment possesses the motor M as fan drive device, this motor M can be set operation mode with the running switch SW and (comprise automatic mode described later, low-speed mode, in fast mode, and fast mode) drive arrangements is at support 20 (2 fans (with reference to Fig. 6 to Fig. 9) in Fig. 6-Fig. 9), that be made of Sirocco fan; The circuit for controlling motor 1 of control motor M action; Obtain pollution detection portion 2 with the corresponding testing result of pollution of air; Be formed on shell 20 the place aheads, the walk about human body sensor 4 of situation of the personnel in the district to be checked of checking; According to the output signal of human body sensor 4 and the output signal OH of pollution detection portion 2, OM, OL, the control circuit 5 of control circuit for controlling motor 1.Herein, pollution detection portion 2 is by the dust sensor 2a of the dust (particle) of dust and pollen etc. in the sensing chamber, detect cigarette smog etc. the foul smell composition gas sensor 2b and according to the input signal output output signal OH corresponding of each sensor 2a, 2b with air pollution, OM, the signal processing circuit 3 of OL constitutes.Control circuit 5 is to control above-mentioned circuit for controlling motor 1 like this, promptly work as human body sensor 4 and do not have the human body detection signal, and through behind the stipulated time T1, during from pollution detection portion 2 input human detection signals, the rear drive time delay fan F that only postpones regulation.Circuit for controlling motor 1 has the output signal OH according to pollution detection portion 2, OM, the function of the output signal control motor M action of OL and control circuit 5.
Yet, extremely shown in Figure 9 as Fig. 6, air purifier with foregoing circuit formation has been installed grid 27 dismantledly and has been constituted shell on the front face of support 20, above-mentioned 2 fan F and motor M etc. are contained in the support 20, on the rear portion of a sidepiece of support 20 and a side surface part, be provided with respectively utilize fan F rotation with the air inhaled air suction 28a of portion, 28b, and the air that is provided with the rotation blow out air that utilizes fan F on the opposite side face of support 20 blows out portion 19.In support 20, held discharge electrode assembly 23, plasma takes place in this discharge electrode assembly 23, by plasma or make the indoor dust that sucks from the air suction 28a of portion, 28b (for example, ash, dust) and pollen etc. charged, or make the foul smell composition resolve into the odorless composition, also held filter assemblies 24, the downstream that this filter assemblies 24 is positioned at discharge electrode assembly 23 (promptly, between discharge electrode assembly 23 and the fan F), or absorption is acted on and charged indoor dust and pollen or sorption foul smell composition by discharge electrode assembly 23.Filter assemblies 24 can be by the grey screen pack of the collection of charged indoor dust of sorption and pollen (for example, so-called HEPA filter) and the activated carbon of sorption foul smell composition constitute, also can be made of dust-collecting filter and deodorization screen pack, certainly, structure in addition also can adopt.
Therefore, the formation of the air purifier of present embodiment is the rotation by fan F, from the air suction 28a of portion, 28b air is sucked, and air is purified by discharge electrode assembly 23 and filter assemblies 24, and cleaned air passes is blown out from the air portion of blowing out.On the front face side of support 20, be provided with and lead to the air introduction part 41 of dust sensor 2a, detect easily on the position that is inhaled into indoor dust that the air in the air suction 28a of portion carries secretly and pollen etc. but preferably this air introduction part 41 is arranged on.That is, preferably air introduction part 41 is arranged on air suction 28a of portion or the air suction 28b of portion near.In the present embodiment, constitute the air cleaning unit of the air in the peace and quiet suction support 20 by discharge electrode assembly 23 and filter assemblies 24.Constitute control device by circuit for controlling motor 1 and control circuit 5.
Yet, as shown in Figure 9, in support 20, also held circuit substrate 40, on this circuit substrate 40, run switch SW has been installed, human body sensor 4, gas sensor 2b, action described later shows the LED 1-LED4 of usefulness etc., as shown in Figure 6, on the front of grid 17, set guidance panel 26, on this guidance panel 26, be provided with the operating portion 12 of run switch SW and the light inlet window LE1-LE4 of above-mentioned LED 1-LED4 etc.Possess pollution displaying body 50 in the air purifier of present embodiment, this pollution displaying body 50 has the air pollution degree [1m that shows based on the output signal of dust sensor 2a with digital
3The digital display part 22 (with reference to Fig. 9) of airborne Dust Capacity (mg) and level demonstrate level display part 24 (with reference to Fig. 9) based on the foul smell amount of the output signal of gas sensor 2b.Pollution displaying body 50 is provided with the nameplate of each display part 22,24 of record displaying contents separately near each display part 22,24.Pollution displaying body 50 is freely to rotate in comprising the plane of display surface.
Below, specifically describe pollution detection portion 2, fan control circuitry 1 and control circuit 5 respectively.Pollution detection test section 2 has circuit structure shown in Figure 2, and the structure of signal processing circuit 3 is that output signal OH, OM, OL change according to the output signal of each sensor 2a, 2b.That is to say, signal processing circuit 3 possesses comparator C P1-CP3, these comparator C P1-CP3 relatively dust sensor 2a output signal and be each comparator preset threshold by first threshold configuration part 31, wherein, this threshold value configuration part 31 is made of the series circuit of resistance R 1-R4.Signal processing circuit 3 possesses comparator C P4-CP6, these comparator C P4-CP6 relatively gas sensor 2b output signal and be each comparator preset threshold by the second threshold value configuration part 32, wherein, this threshold value configuration part 32 is made of the series circuit of resistance R 4-R6.In addition, signal processing circuit 3 possesses AND (with door) element AN7-AN14, OR element Or15-17, AND element AN18, AN19.The output signal of OR element Or15 is corresponding to above-mentioned output signal OH, and the output signal of AND element AN18 is corresponding to above-mentioned output signal OM, and the output signal of AND element AN19 is corresponding to above-mentioned output signal OL.The formation of pollution detection portion 2 is according to the signal of sensor decision output signal OH, OM, the OL that surpass more upper threshold value among dust sensor 2a and the gas sensor 2b.
Below, the action of signal processing circuit 3 is described.For example, when bigger than the threshold value of comparator CP2 from dust sensor 2a output, but during the output signal of the level littler than the threshold value of comparator CP1, comparator C P2, CP3 output signal separately becomes " H " level, and the output signal of comparator C P1 becomes " L " level.So the output signal of AND element AN7 becomes " L " level, and the output signal of AND element AN8 becomes " H " level.Because the output signal of AND element AN7, AN8, the output signal of AND element AN11 becomes ｀ H ｀ level, and the output signal of AND element AN12 becomes " L " level.
On the other hand, for example, when bigger than the threshold value of comparator CP6 from gas sensor 2b output, but during the output signal of the level littler than the threshold value of comparator CP5, the output signal of comparator C P6 becomes " H " level, and the output signal of comparator C P4, CP5 is respectively " H " level.So AND element AN9, AN10 output signal separately become " L " level.Because the output signal of AND element AN9, AN10, the output signal of AND element AN13 becomes " L " level, and the output signal of AND element AN14 becomes " H " level.
Thereby, OR element Or15, Or16, the output signal of Or17 is respectively " L " level, " H " level, " H " level.The output signal of AND element AN18 becomes " H " level, and the output signal of AND element AN19 becomes " L " level.The result, if it is bigger than the threshold value of comparator CP2 (3 second big threshold value threshold value) from dust sensor 2a output, but the output signal of the level littler than the threshold value of comparator CP1 (3 threshold value in maximum threshold value), and it is bigger than the threshold value (minimum threshold value 3 threshold values) of comparator CP6 from gas sensor 2b output, but the output signal of the level littler than the threshold value of comparator CP5 (3 threshold value in second largest threshold value), then the output signal OH of pollution detection portion 2, OM, OL become " L " level, " H " level, " L " level respectively.In the present embodiment, though contaminant sensor is made of dust sensor 2a and gas sensor 2b, but when only constituting contaminant sensor by dust sensor 2a, the output signal OH of the signal processing circuit 3 of pollution detection portion 2, OM, OL becomes " L " level respectively, " H " level, behind " L " level, fan F just rotates with middling speed, when only constituting contaminant sensor by gas sensor 2b, the output signal OH of the signal processing circuit 3 of pollution detection portion 2, OM, OL becomes " L " level respectively, " L " level, behind " H " level, fan F is just to slowly run.
Below, circuit for controlling motor 1 is described.
As shown in Figure 3, above-mentioned run switch SW is connected on the circuit for controlling motor 34, utilize above-mentioned run switch SW between following pattern, to do in order to switch to select, these patterns comprise the output signal OH corresponding to signal processing circuit 3, OM, the running status that the output signal of OL or control circuit 5 is switched fan F (stops, low speed, middling speed, automatic mode at a high speed), make the low-speed mode of fan F, make the middle fast mode that fan F rotates with middling speed and make the fast mode of fan F with high speed rotating to slowly run.That is, designed counter 11 on circuit for controlling motor 1, this counter 11 is according to the operation of run switch SW, at output signal AUTO, and LOW, MID, HIGH switches between OFF.The output signal AUTO of counter 11, LOW, MID, HIGH, OFF, the every operation of run switch SW with AUTO → LOW → MID → HIGH → OFF order, is that a signal becomes " H " level once.In addition, fan control circuitry 1 also possesses an input and accepts the AUTO signal, and another input is accepted AN30, AN31 and the AN32 of AND element of output signal OL, OM, the OH of above-mentioned pollution detection portion 2 respectively; Above-mentioned action shows the LED 1 of usefulness, LED2, LED3, LED4; Bidirectional triode thyristor TRC1, TRC2, TRC3 between the AC power Vs that inserts motor M separately and constitute by source power supply and connect, disconnect each bidirectional triode thyristor TRC1, TRC2, photo-coupler PC1, the PC2 of TRC3, PC3 respectively.Operating portion 12 (with reference to Fig. 6) design of run switch SW is on the front face side of support 20.
Below, the action of circuit for controlling motor 1 is described.In case operation run switch SW once, because the output signal AUTO of counter 11 just becomes " H " level, LED 1 is lighted.Because LED 1 is lighted, the operational mode that then demonstrates fan F is an automatic mode.Afterwards, if operation run switch SW, because the output signal LOW of counter 11 is a ｀ H ｀ level, LED 2 is lighted, and photo-coupler PC1 connection, and bidirectional triode thyristor TRC1 also connects, and motor M is with slowly run (that is, fan F slowly runs).Here, light because of LED 2, the operational mode that demonstrates fan F is a low-speed mode.Afterwards, if operate run switch SW again, because the output signal MID of counter 11 is " H " level, LED 3 is lighted, and photo-coupler PC2 connection, and bidirectional triode thyristor TRC2 also connects, and motor M is rotated (that is, fan F middling speed is rotated) with middling speed.Here, light because of LED 3, the operational mode that demonstrates fan F is middle fast mode.Then, if operate run switch SW once more, because the output signal HIGH of counter 11 is " H " level, LED 4 is lighted, and photo-coupler PC3 connection, and bidirectional triode thyristor TRC3 also connects, and motor M is with high speed rotating (that is fan F high speed rotating).Here, light because of LED 4, the operational mode that demonstrates fan F is a fast mode.Then, if operate run switch SW again, the output signal OFF of counter 11 becomes " H " level, and other output signal AUTO, and LOW, MID, HIGH all are " L " level, therefore, and motor M stop operating (that is, fan F stops operating).
Below, control circuit 5 is described.
As shown in Figure 4, control circuit 5 possesses 2 timing circuits 51,52, and the output signal of human body sensor 4 is by analog switch AS1 and phase inverter INV1 input timing circuit 51,52.Herein, when the output signal AUTO of the counter 11 of the circuit for controlling motor shown in Fig. 31 became " H " level, analog switch AS1 connected, and then disconnects when becoming " L " level.The formation of each timing circuit 51,52 is when the human detection output signal input timing circuit of human body sensor 4, T1 at the appointed time only, (T1 ＇ in the present embodiment=T1) make each output signal O1, O3 is " H " level to T1 ＇, at the appointed time after T1, the T1 ＇ warp, make output signal O1, O3 become " L " level, and make output signal O2, O4 become " H " level.But, human body sensor 4 detects after the people walks about slightly, obtain output serially, the formation of each timing circuit 51,52 is when the human detection signal of (before time is up) human body sensor 4 generations in the counting of afore mentioned rules time T 1, T1 ＇ is transfused to once more, the readjustment counter begins the counting (with the mode of heavy trigger) of afore mentioned rules time T 1, T1 ＇ once more.Thereby each timing circuit 51,52 is not when human body sensor 4 detects personnel when walking about, and behind afore mentioned rules time T 1, T1 ＇, output signal O1, O3 become " L " level, and output signal O2, O4 become " H " level.Herein, the motor that the output signal O1 of timing circuit 51 input is shown in Figure 3, the terminal LO of control circuit 1. Timing circuit 51,52 also can not adopt the mode of heavy trigger.
If the action during the beginning automatic mode then becomes as shown in Figure 5.The detected state of Fig. 5 (a) expression human body sensor 4, (b) detected state of expression dust sensor 2a, (c) detected state of expression gas sensor 2b, (d) operating state of expression fan F.In the embodiment shown in fig. 5, the output signal of the gas sensor 2b shown in Fig. 5 (c) can not surpass any threshold value of being set by the second threshold value configuration part 32 shown in Fig. 2.
At first, shown in Fig. 5 (a), at moment t1, human body sensor 4 detects personnel when walking about, because the output signal O1 of the timing circuit 51 of control circuit 5 becomes " H " level, therefore, after the photo-coupler PC1 of circuit for controlling motor 1 connects, bidirectional triode thyristor TRC1 connects, and motor M is to slowly run, and 2 fan F also begin to rotate [with reference to Fig. 5 (d)] with low speed.Afterwards, shown in Fig. 5 (a), in moment t2, after the personnel that do not detect walked about, fan F stopped operating.After above-mentioned moment t2 does not detect personnel and walks about, after having passed through afore mentioned rules time T 1, the output signal O4 of the timing circuit 5 of control circuit 5 becomes " H " level (scheming not shown), shown in Fig. 5 (b), if in moment t3, when the output signal of dust sensor 2a surpasses by the threshold value of the current potential decision at the tie point place of the resistance R 3 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 4, the output signal OH of pollution detection portion 2, OM, OL becomes " L " level respectively, " L " level and " H " level, thereby, each AND element AN40 of control circuit 5 shown in Fig. 4, AN41, the output signal of AN42 becomes " L " level, " L " level and " H " level, from the output signal of AND element AN42 to delay timing circuit 55 input " H " level, the time delay that postpones regulation is behind the T2, the terminal LO of circuit for controlling motor 1 becomes " H " level, and fan F begins with slowly run [with reference to Fig. 5 (d)].
Thereby, the air purifier of present embodiment is arranged in the room as the bedroom that needs peace and quiet or study etc., when utilizing run switch SW to select automatic mode, human body sensor 4 does not detect under the state that personnel walk about (for example gone to bed or seat time), can prevent that the phenomenon of drive fan F takes place immediately when the detection that momentary pollution or noise from the 2 generation unnecessary driving fan F of pollution detection portion cause is exported.
The air purifier of present embodiment is provided with light and shade sensor 6 as shown in figure 10 on the front face side of support 20.This light and shade sensor 6 obtain with relative around bright, dark corresponding 2 being worth and exporting of light, a reference value.This light and shade sensor 6 is the sensors that send the output of 2 values according to the magnitude relationship of detected brightness and a reference value.In the air purifier of present embodiment, side, front face side are provided with the air suction 28a of portion, 28b respectively below support 20, at the upper face side of support 20 air are set and blow out portion 29.The inscape identical with embodiment 1 given identical symbol, and omit their explanation.
The basic circuit formation of the air purifier of present embodiment is basic identical with embodiment's 1, difference between them is to replace with light and shade sensor 6 shown in Figure 11 and control circuit 5 ＇ human body sensor 4 and the control circuit 5 of embodiment 1, for the inscape identical, diagram and explanation have been omitted with embodiment 1.
Below, control circuit 5 ＇ are described.
As shown in figure 11, control circuit 5 ＇ possess timing circuit 57, and the output of light and shade sensor 6 is by analog switch AS11, and phase inverter INV1 and differential circuit 56 are imported timing circuits 57., when analog switch AS11 becomes " H " level at the output signal AUTO of the counter 11 of the circuit for controlling motor shown in Fig. 31, connect herein, when becoming " L " level, disconnect.The formation of timing circuit 57 be if in the output of light and shade sensor 6 from " H " level (bright degree) when changing to " L " level (dim degree), when being transfused to the signal of differential circuit 56 outputs, make output signal O13 become " H " level in stipulated time T1, the T1 warp makes output signal O13 become " L " level later at the appointed time, and makes output signal O14 become " H " level.
Control circuit 5 ＇ possess AND element AN40, AN41, AN42 and delay timing circuit 53,54,55.The input of AND element AN40, AN41, AN42 is accepted the output signal O14 of timing circuit 57, and its another input output signal OH, OM, the OL of the signal processing circuit shown in the acceptance pattern 23 (pollution detection portion 2) respectively postpone timing circuit 53,54,55 and are connected with the output of each AND element AN40, AN41, AN42 respectively.The output signal of each delay circuit 53,54,55 is input to respectively on terminal HI, MI, the LO of the circuit for controlling motor 1 shown in Fig. 3.When each delay circuit 53,54,55 becomes " H " level when the output signal of AND element AN40, AN41, AN42, postpone T2 time delay of regulation respectively herein,, T2 ＇, " in the present embodiment of back, T2=T2 ＇=T2 ") makes output signal become " H " level to T2.
If the action during the beginning automatic mode then becomes as shown in Figure 12.The detected state of Figure 12 (a) expression light and shade sensor 6, (b) detected state of expression dust sensor 2a, (c) detected state of expression gas sensor 2b, (d) operating state of expression fan F.In the embodiment shown in fig. 12, the output signal of the gas sensor 2b shown in Figure 12 (c) can not surpass any threshold value of being set by the second threshold value configuration part 32 shown in Fig. 2.
At first, shown in Figure 12 (a), if at moment t11, the output signal of light and shade sensor 6 changes to " L " level when (secretly) from " H " level (bright), when the signal of differential circuit output is imported in the timing circuit 57, the output signal O13 of timing circuit 57 becomes " H " level, through behind the stipulated time T1, the output signal O14 of timing circuit 57 becomes " H " level, shown in Figure 12 (b), if in moment t12, when the output signal of dust sensor 2a surpasses by the threshold value of the current potential decision at the tie point place of the resistance R 3 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 4, the output signal OH of pollution detection portion 2, OM, OL becomes " L " level respectively, " L " level and " H " level, thereby, each the AND element AN40 of control circuit 5 ＇ shown in Figure 11, AN41, the output signal of AN42 becomes " L " level, " L " level and " H " level, from the output signal of AND element AN42 to delay timing circuit 55 input " H " level, the time delay that postpones regulation is behind the T2, the terminal LO of circuit for controlling motor 1 becomes ｀ H ｀ level, and fan F begins with slowly run [with reference to Figure 12 (d)].
Thereby, the air purifier of present embodiment is arranged in the room as the bedroom that needs peace and quiet or study etc., when utilizing run switch SW to select automatic mode, can prevent when after room darkens, when the momentary pollution of unnecessary driving fan F or detection output that noise causes took place for pollution detection portion 2, the phenomenon of drive fan F took place immediately.
The basic comprising of the air purifier of present embodiment is identical with the cardinal principle of embodiment 1, and as shown in figure 13, the design feature of present embodiment is that the output signal that respectively postpones timing circuit 53-55 in the control circuit 5 is imported into the terminal LO of circuit for controlling motor 1.Because other formation is identical with embodiment's 1, has therefore omitted diagram and explanation.
If the action during the beginning automatic mode then becomes as shown in Figure 14.The detected state of Figure 14 (a) expression human body sensor 4, (b) detected state of expression dust sensor 2a, (c) detected state of expression gas sensor 2b, (d) operating state of expression fan F.In the embodiment shown in fig. 14, the output signal of the gas sensor 2b shown in Figure 14 (c) can not surpass any threshold value of being set by the second threshold value configuration part 32 shown in Fig. 2.
At first, shown in Figure 14 (a), at moment t1, human body sensor 4 detects personnel when walking about, because the output signal O1 of the timing circuit 51 of control circuit 5 becomes " H " level, therefore, after the photo-coupler PC1 of circuit for controlling motor 1 connects, bidirectional triode thyristor TRC1 connects, and motor M is to slowly run, and 2 fan F also begin to rotate [with reference to Figure 14 (d)] with low speed.Afterwards, shown in Figure 14 (a), in moment t2, after the personnel that do not detect walked about, fan F stopped operating.After above-mentioned moment t2 does not detect personnel and walks about, after having passed through afore mentioned rules time T 1, the output signal O4 of the timing circuit 52 of control circuit 5 becomes " H " level (scheming not shown), shown in Figure 14 (b), if in moment t3, when the output signal of dust sensor 2a surpasses by the threshold value of the current potential decision at the tie point place of the resistance R 3 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 4, the output signal OH of pollution detection portion 2, OM, OL becomes " L " level respectively, " L " level and " H " level, thereby, each AND element AN40 of control circuit 5 shown in Figure 13, AN41, the output signal of AN42 becomes " L " level, " L " level and " H " level, from the output signal of AND element AN42 to delay timing circuit 55 input " H " level, the time delay that postpones regulation is behind the T2, the terminal LO of fan control circuitry 1 becomes " H " level, and fan F begins with slowly run [with reference to Figure 14 (d)].Afterwards, shown in Figure 14 (b), the output signal of dust sensor 2a rises, and when surpassing threshold value ThM by the current potential decision at the tie point place of the resistance R 2 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 3, the output signal OH of pollution detection portion 2, OM, OL becomes " L " level respectively, " H " level and " L " level, thereby, each AND element AN40 of control circuit 5 shown in Figure 13, AN41, the output signal of AN42 becomes " L " level, " H " level and " L " level, from the output signal of AND element AN41 to delay timing circuit 54 input " H " level, the time delay that postpones regulation is behind the T2, from the output signal of delay circuit 54 output ｀ H ｀ level.If the output signal of dust sensor 2a rises, and when surpassing threshold value ThH by the current potential decision at the tie point place of the resistance R 1 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 2, the output signal OH of pollution detection portion 2, OM, OL becomes " H " level respectively, " L " level and " L " level, thereby, each AND element AN40 of control circuit 5 shown in Figure 13, AN41, the output signal of AN42 becomes " H " level, " L " level and " L " level, from the output signal of AND element AN40 to delay timing circuit 53 input " H " level, the time delay that postpones regulation is behind the T2, from the output signal of delay circuit 53 output " H " level.
Thereby, the air purifier of present embodiment is arranged in the room as the bedroom that needs peace and quiet or study etc., when utilizing run switch SW to select automatic mode, not detecting personnel at human body sensor 4 walks about, and through behind the certain hour, when any one of the output signal OH of pollution detection portion 2, OM, OL becomes " H " level, the time delay of delay circuit 53-55 T2 through after, fan F is to slowly run.That is to say that it is irrelevant that output signal OH, the OM of fan F and pollution detection portion 2, among the OL which become " H " level, all to slowly run.
The basic comprising of the air purifier of present embodiment is identical with the cardinal principle of embodiment 2, and as shown in figure 15, the design feature of present embodiment is that the output signal that respectively postpones timing circuit 53-55 among control circuit 5 ＇ is imported into the terminal LO of circuit for controlling motor 1.Because other formation is identical with embodiment's 2, has therefore omitted diagram and explanation.
If the action during the beginning automatic mode then becomes as shown in Figure 16.The detected state of Figure 16 (a) expression light and shade sensor 6, (b) detected state of expression dust sensor 2a, (c) detected state of expression gas sensor 2b, (d) operating state of expression fan F.In the embodiment shown in Figure 16, the output signal of the gas sensor 2b shown in Figure 16 (c) can not surpass any threshold value of being set by the second threshold value configuration part 32 shown in Fig. 2.
At first, shown in Figure 16 (a), if at moment t11, the output signal of light and shade sensor 6 changes to " L " level when (secretly) from " H " level (bright), when the signal of differential circuit 56 outputs is imported in the timing circuit 57, the output signal O13 of timing circuit 57 becomes " H " level (scheming not shown), through behind the stipulated time T1, the output signal O14 of timing circuit 57 becomes " H " level (scheming not shown), shown in Figure 16 (b), if in moment t12, when the output signal of dust sensor 2a surpasses by the threshold value ThL of the current potential decision at the tie point place of the resistance R 3 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 4, the output signal OH of pollution detection portion 2, OM, OL becomes " L " level respectively, " L " level and " H " level, thereby, each the AND element AN40 of control circuit 5` shown in Figure 15, AN41, the output signal of AN42 becomes " L " level, " L " level and " H " level, from the output signal of AND element AN42 to delay timing circuit 55 input " H " level, the time delay that postpones regulation is behind the T2, the terminal LO of fan control circuitry 1 becomes " H " level, and fan F begins with slowly run [with reference to Figure 16 (d)].Afterwards, shown in Figure 16 (b), the output signal of dust sensor 2a rises, and when surpassing threshold value ThM by the current potential decision at the tie point place of the resistance R 2 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 3, the output signal OH of pollution detection portion 2, OM, OL becomes " L " level respectively, " H " level and " L " level, thereby, each the AND element AN40 of control circuit 5 ＇ shown in Figure 15, AN41, the output signal of AN42 becomes " L " level, " H " level and " L " level, from the output signal of AND element AN41 to delay timing circuit 54 input " H " level, the time delay that postpones regulation is behind the T2, from the output signal of delay circuit 54 output " H " level.As shown in figure 16, if the output signal of dust sensor 2a further rises, and when surpassing threshold value ThH by the current potential decision at the tie point place of the resistance R 1 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 2, the output signal OH of pollution detection portion 2, OM, OL becomes " H " level respectively, " L " level and " L " level, thereby, each the AND element AN40 of control circuit 5` shown in Figure 15, AN41, the output signal of AN42 becomes " H " level, " L " level and " L " level, from the output signal of AND element AN40 to delay timing circuit 53 input " H " level, the time delay that postpones regulation is behind the T2, from the output signal of delay circuit 53 output " H " level.
Thereby, the air purifier of present embodiment is arranged in the room as the bedroom that needs peace and quiet or study etc., when utilizing run switch SW to select automatic mode, behind room darkens and the process certain hour, when any one of the output signal OH of pollution detection portion 2, OM, OL becomes " H " level, the time delay of delay circuit 53-55 T2 through after, fan F is to slowly run.That is to say that it is irrelevant that output signal OH, the OM of fan F and pollution detection portion 2, among the OL which become " H " level, all to slowly run.
The basic comprising of the air purifier of present embodiment and embodiment's 1 is basic identical, and it is different only to be that the circuit of control circuit 5 constitutes, because other constitutes identical with embodiment 1, therefore, for the inscape identical with embodiment 1, omits and illustrates and explanation.
As shown in figure 17, the control circuit 5 of present embodiment possesses 2 timing circuits 51,52, and the output signal of human body sensor 4 is by analog switch AS11 and phase inverter INV1 input timing circuit 51,52.Herein, when the output signal AUTO of the counter 11 of the circuit for controlling motor shown in Fig. 31 became " H " level, analog switch AS1 connected, and became disconnection when becoming " L " level.The formation of each timing circuit 51,52 is when the human detection output signal input timing circuit of human body sensor 4, T1 at the appointed time only, T1 ＇ is (the same with embodiment 1 in the present embodiment, T1=T1 ＇) making each output signal O1, O3 is ｀ H ｀ level, at the appointed time after T1, the T1 ＇ warp, make output signal O1, O3 become " L " level, and make output signal O2, O4 become " H " level.But, human body sensor 4 detects after the people walks about slightly, obtain output serially, each timing circuit 51,52 is when in the counting of afore mentioned rules time T 1, when the human detection signal that human body sensor 4 produces is transfused to once more, the counter of will resetting begins the counting of afore mentioned rules time T 1 once more.Thereby each timing circuit 51,52 is not when human body sensor 4 detects personnel when walking about, and after afore mentioned rules time T 1, output signal O1, O3 become " L " level, and output signal O2, O4 become " H " level.Herein, timing circuit 51,52 output signal O1, O3 separately imports the terminal LO of circuit for controlling motor 1 shown in Figure 3.
If the action during the beginning automatic mode then becomes as shown in Figure 18.The detected state of Figure 18 (a) expression human body sensor 4, (b) detected state of expression dust sensor 2a, (c) detected state of expression gas sensor 2b, (d) operating state of expression fan F.In the embodiment shown in Figure 18, the output signal of the gas sensor 2b shown in Figure 18 (c) can not surpass any threshold value of being set by the second threshold value configuration part 32 shown in Fig. 2.
At first, shown in Figure 18 (a), at moment t1, human body sensor 4 detects personnel when walking about, because the output signal O1 of the timing circuit 51 of control circuit 5 becomes " H " level, therefore, after the photo-coupler PC1 of circuit for controlling motor 1 connects, bidirectional triode thyristor TRC1 connects, and motor M is to slowly run, and 2 fan F also begin to rotate [with reference to Figure 18 (d)] with low speed.Afterwards, shown in Figure 18 (b), if when above-mentioned moment t2 does not detect personnel and walks about, after having passed through afore mentioned rules time T 1, the output signal O2 of the timing circuit 52,53 of control circuit 5, O4 becomes " H " level (scheming not shown), shown in Figure 18 (c), if in moment t3, when the output signal of dust sensor 2a surpassed by the threshold value ThL of the current potential decision at the tie point place of the resistance R 3 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 4, the output signal OH of pollution detection portion 2, OM, OL became " L ", " L " level and " H " level respectively.So, the input signal of the OR element OR64 of control circuit 5 shown in Figure 17 becomes ｀ H ｀ level, the output signal of AND element AN63 becomes " H " level, when the output signal of AND element AN63 when " L " level changes to " H " level, when the signal of differential circuit 58 output is input to timing circuit 59, owing to make output signal O25 only in certain time interval T 3, become " H " level, therefore, the photo-coupler PC1 of circuit for controlling motor 1 connects, bidirectional triode thyristor TRC1 connects, motor M slowly runs, and therefore, two fan F also begin to rotate [with reference to Figure 18 (d)] with low speed.Through after the above-mentioned certain time interval T 3, output signal O26 becomes " H " level, therefore, after, fan F is that rotate on the basis with output signal OH, OM, the OL of pollution detection portion 2.In brief, for example, if output signal OH, OM, the OL of pollution detection portion 2 become " L " level, " H " level, " L " level respectively, fan F velocity of rotation is varied to middling speed, if output signal OH, OM, the OL of pollution detection portion 2 become " H " level, " L " level, " L " level respectively, fan F velocity of rotation is varied at a high speed.
Thereby, the air purifier of present embodiment is arranged in the room as the bedroom that needs peace and quiet or study etc., when utilizing run switch SW to select automatic mode, not detecting personnel at human body sensor 4 walks about, and through behind the certain hour, when any one of the output signal OH of pollution detection portion 2, OM, OL became " H " level, before the output signal O25 of timing circuit 59 became " L " level from " H " level, fan F was to slowly run.That is to say that it is irrelevant that output signal OH, the OM of fan F and pollution detection portion 2, among the OL which become " H " level, all to slowly run.
The basic comprising of the air purifier of present embodiment and embodiment's 2 is basic identical, and it is different only to be that the circuit of control circuit 5` constitutes, because other constitutes identical with embodiment 2, therefore, for the inscape identical with embodiment 2, omits and illustrates and explanation.
As shown in figure 19, control circuit 5 ＇ of present embodiment possess timing circuit 57, and the output signal of light and shade sensor 6 is by analog switch AS11, phase inverter INV1 and differential circuit 56 input timing circuits 57.Herein, when the output signal AUTO of the counter 11 of the circuit for controlling motor shown in Fig. 31 became " H " level, analog switch AS11 connected, and then disconnects when becoming " H " level.The formation of timing circuit 57 be when the output of light and shade sensor 6 when " H " level (bright) is changed to the signal input timing circuit 57 of " L " level differential circuit 56 outputs when (secretly), only at the appointed time T1 to make output signal O13 be " H " level, through behind the stipulated time T1, make output signal O13 become " L " level, and make output signal O14 become the element level.
Control circuit 5` possesses the output signal OH that receives pollution detection portion 2, OM, the OR element OR64 of OL, one input receives the output signal O14 of timing circuit 57, and another input receives the AND element AN63 of the output signal of OR element OR64, receive the differential circuit 58 of the output signal of AND element AN63,59, one inputs of timing circuit that receive the output signal of differential circuit 58 receive the output signal of timing circuit 59) O26, another input receives the output signal OH of the signal processing circuit 3 shown in Fig. 2 (pollution detection portion 2) respectively, OM, the AND element AN60 of OL, AN61, AN62.The output signal of each AND element AN60, AN61, AN62 is imported terminal HI, MI, the LO of the circuit for controlling motor 1 shown in Fig. 3 respectively.The formation of timing circuit 59 be in the output signal of AND element 63 when " L " level changes to " H " level, if when receiving the signal from differential circuit 58 output, only making output signal O25 in certain time interval T 3 is " H " level, through after the certain time interval T 3, making output signal O25 is " L " level, and makes output signal O26 become " H " level.In addition, make the terminal LO of the output 2 signal O25 input circuit for controlling motor 1 of timing circuit 59.
If the action during the beginning automatic mode then becomes as shown in Figure 20.The detected state of Figure 20 (a) expression human body sensor 4, (b) detected state of expression dust sensor 2a, (c) detected state of expression gas sensor 2b, (d) operating state of expression fan F.In the embodiment shown in Figure 20, the output signal of the gas sensor 2b shown in Figure 20 (c) can not surpass any threshold value of being set by the second threshold value configuration part 32 shown in Fig. 2.
At first, shown in Figure 20 (a), if at moment t11, light and shade sensor 6 output signals change to " L " level when (secretly) from " H " level (bright), if the signal of differential circuit 56 outputs is imported into timing circuit 57, the output signal O13 of timing circuit 57 becomes " H " level (not shown), and behind process stipulated time T1, the output signal O14 of timing circuit 57 becomes " H " level (not shown).Afterwards, shown in Figure 20 (b), if when the output signal of moment t12 dust sensor 2a surpassed threshold value ThL by the current potential decision at the tie point place of the resistance R 3 of the first threshold configuration part 31 shown in Fig. 2 and resistance R 4, the output signal OH of pollution detection portion 2, OM, OL became " L " level, " L " level and " H " level respectively.So, the output signal of the OR element OR64 of control circuit 5 ＇ shown in Figure 19 becomes " H " level, the output signal of AND element AN63 becomes " H " level, when the output signal of AND element AN63 when " L " level changes to " H " level, when the signal of differential circuit 58 output is input to timing circuit 59, owing to make output signal O25 only in certain time interval T 3, become " H " level, therefore, the photo-coupler PC1 of circuit for controlling motor 1 connects, bidirectional triode thyristor TRC1 connects, motor M slowly runs, and therefore, two fan F also begin to rotate [with reference to Figure 20 (d)] with low speed.Through after the above-mentioned certain time interval T 3, output signal O26 becomes " H " level, is that the basis is carried out fan F and rotated with aft-fan F with output signal OH, OM, the OL of pollution detection portion 2.In brief, for example, if output signal OH, OM, the OL of pollution detection portion 2 become " L " level, " H " level and " L " level respectively, fan F velocity of rotation becomes middling speed, if output signal OH, OM, the OL of pollution detection portion 2 become " H " level, " L " level and " L " level respectively, fan F velocity of rotation becomes at a high speed.
Thereby, the air purifier of present embodiment is arranged in the room in the bedroom that needs peace and quiet or study etc., when utilizing run switch SW to select automatic mode, in room darkens, and through after the above-mentioned certain time interval T 1, when even any one of the output signal OH of pollution detection portion 2, OM, OL becomes " H " level, before the output signal O25 of timing circuit 59 became " L " level from " H " level, fan F was to slowly run.That is to say that it is irrelevant that output signal OH, the OM of fan F and pollution detection portion 2, among the OL which become " H " level, all to slowly run.
In the various embodiments described above, although understand and can switch the velocity of rotation of fan F on 3 gears, but also can between the gear more than 4, switch.
The present invention has following effect.
The present invention 1 to achieve these goals, possess fan drive device, this drive unit is configured in the support, drive fan sucks extraneous air and blow out; Air cleaning unit, this purifier carries out purified treatment to the air that is inhaled into; Pollution detection portion, this test section can obtain the detection output corresponding with air pollution degree; The personnel in the district to be detected of detecting walk about situation human body sensor and control the control device of fan drive device by following mode, promptly, not detecting personnel at human body sensor walks about, and through after the stipulated time, during from a detection of pollution detection portion input control device output signal, a rear drive time delay fan that only postpones regulation rotates.Therefore, has following effect, promptly this device can prevent under the human body sensor state that personnel of detecting do not walk about, and the detection output that momentary pollution or noise (unnecessary driving fan this moment) cause is under the situation of pollution detection portion generation, and directly the phenomenon of drive fan takes place.
The present invention's 3 is on the present invention's 2 basis, fan drive device at least can low-speed mode, middle fast mode, 3 gear switch fan speeds of fast mode, control device is to make fan control fan drive device in the mode of low-speed mode operation when postponing to control fan drive device after above-mentioned time delay, so when using in the room that needs peace and quiet with the study in the bedroom, have and to prevent that one crosses under the situation that detection output that contact scar or noise (unnecessary driving fan this moment) cause sends from pollution detection portion, directly the phenomenon of drive fan takes place, and guarantees the quiet effect in room.
The present invention's 4 is on the present invention's 3 basis, because control device is postponing above-mentioned time delay, after low-speed mode drive fan ground control fan drive device, this low-speed mode is kept a period of time ground control fan drive device, therefore, have and to keep the quiet effect in room more reliably.
The present invention's 5 is on the present invention's 3 basis, possesses the operating portion that can on 3 gears of low-speed mode, middle fast mode, fast mode at least, switch the velocity of rotation of sending out the setting fan, because control device, after utilizing operating portion to set only to postpone above-mentioned time delay under the situation of a pattern except that low-speed mode during the control fan drive device, drive fan is controlled fan drive device rotationally with low-speed mode in a period of time, therefore, have and to guarantee quiet effect more reliably.
The present invention's 7 possesses fan drive device, and this drive unit is configured in the support, and drive fan sucks extraneous air and blow out; Air cleaning unit, this purifier carries out purified treatment to the air that is inhaled into; Pollution detection portion, this test section can obtain the detection output corresponding with air pollution degree; Obtain with respect to a reference value of surrounding brightness and light and shade sensors bright/dark corresponding 2 value output signals and control the control device of fan drive device by following mode, promptly, when the output of light and shade sensor becomes black level, and through after the stipulated time, during from pollution detection portion input detection output signal, a rear drive time delay fan that only postpones regulation rotates.Therefore, have following effect, promptly can prevent deepening around after, under the situation that the detection output that momentary pollution or noise (this moment unnecessary driving fan) cause is sent from pollution detection portion, directly the phenomenon of drive fan takes place.
The present invention's 9 is on the present invention's 8 basis, fan drive device at least can low-speed mode, middle fast mode, 3 gear switch fan speeds of fast mode, control device is when postponing to control fan drive device after above-mentioned time delay, make fan control fan drive device in the mode of low-speed mode operation, so when using in the room that needs peace and quiet with the study in the bedroom, has following effect, can prevent that promptly one crosses under the situation that detection output that contact scar or noise (unnecessary driving fan this moment) cause sends from pollution detection portion, directly the phenomenon of drive fan takes place, and guarantees the room peace and quiet.
The present invention's 10 is on the present invention's 9 basis, control device is postponing above-mentioned time delay, after low-speed mode drive fan ground control fan drive device, this low-speed mode is kept a period of time ground control fan drive device, therefore, have and to keep the quiet effect in room more reliably.
The present invention's 11 is on the present invention's 9 basis, possesses the operating portion of on 3 gears of low-speed mode, middle fast mode, fast mode at least, setting the velocity of rotation of fan, because control device, after utilizing operating portion to set only to postpone above-mentioned time delay under the situation of a pattern except that low-speed mode during the control fan drive device, drive fan is controlled fan drive device rotationally with low-speed mode in a period of time, therefore, have and to guarantee quiet effect more reliably.
Claims (11)
1. an air purifier is characterized in that possessing fan drive device, and this drive unit is configured in the support, and drive fan sucks extraneous air and blow out; Air cleaning unit, this purifier carries out purified treatment to the air that is inhaled into; Pollution detection portion, this test section can obtain the detection output corresponding with air pollution degree; The personnel in the district to be detected of detecting walk about situation human body sensor and control the control device of fan drive device by following mode, promptly, not detecting personnel at human body sensor walks about, and through after the stipulated time, during from a detection of pollution detection portion input control device output signal, a rear drive time delay fan that only postpones regulation rotates.
2. air purifier according to claim 1 is characterized in that fan can many grades of switching velocities of rotation.
3. air purifier according to claim 2, it is characterized in that fan drive device at least can low-speed mode, middle fast mode, 3 gear switch fans of fast mode velocity of rotation, control device is when postponing to control fan drive device after above-mentioned time delay, makes fan control fan drive device in the mode of low-speed mode operation.
4. air purifier according to claim 1 is characterized in that control device is postponing above-mentioned time delay, after low-speed mode drive fan ground control fan drive device, this low-speed mode is kept a period of time ground control fan drive device.
5. air purifier according to claim 3, it is characterized in that also possessing the operating portion that can on 3 gears of low-speed mode, middle fast mode, fast mode at least, switch the velocity of rotation of setting fan, control device, after utilizing operating portion to set only to postpone above-mentioned time delay under the situation of a pattern except that low-speed mode, during the control fan drive device, in a period of time, control fan drive device rotationally with the low-speed mode drive fan.
6. according to any one described air purifier in the claim 1 to 5, it is characterized in that pollution detection portion constitutes by contaminant sensor with according to the signal processing circuit that the detection output signal of contaminant sensor obtains the detection output signal corresponding with the pollution level of air; Above-mentioned contaminant sensor is made of at least one with the gas sensor that detects the foul smell composition of the dust sensor that detects dust.
7. an air purifier is characterized in that possessing fan drive device, and this drive unit is configured in the support, and drive fan sucks extraneous air and blow out; Air cleaning unit, this purifier carries out purified treatment to the air that is inhaled into; Pollution detection portion, this test section can obtain the detection output corresponding with air pollution degree; Obtain with respect to a reference value of surrounding brightness and light and shade sensors bright/dark corresponding 2 value output signals and control the control device of fan drive device by following mode, promptly, when the output of light and shade sensor becomes black level, and through after the stipulated time, during from pollution detection portion input detection output signal, a rear drive time delay fan that only postpones regulation rotates.
8. air purifier according to claim 7 is characterized in that fan can many grades of switching velocities of rotation.
9. air purifier according to claim 8, it is characterized in that fan drive device at least can low-speed mode, middle fast mode, 3 gear switch fan speeds of fast mode, control device is when postponing to control fan drive device after above-mentioned time delay, makes fan control fan drive device in the mode of low-speed mode operation.
10. air purifier according to claim 9 is characterized in that control device is postponing above-mentioned time delay, after low-speed mode drive fan ground control fan drive device, this low-speed mode is kept a period of time ground control fan drive device.
11. air purifier according to claim 9, it is characterized in that also possessing the operating portion of on 3 gears of low-speed mode, middle fast mode, fast mode at least, setting the velocity of rotation of fan, because control device, after utilizing operating portion to set only to postpone above-mentioned time delay under the situation of a pattern except that low-speed mode, during the control fan drive device, in a period of time, control fan drive device rotationally with the low-speed mode drive fan.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24666899A JP3769994B2 (en) | 1999-08-31 | 1999-08-31 | air purifier |
| JP246668/1999 | 1999-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1291524A true CN1291524A (en) | 2001-04-18 |
| CN1140317C CN1140317C (en) | 2004-03-03 |
Family
ID=17151847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001238973A Expired - Fee Related CN1140317C (en) | 1999-08-31 | 2000-08-29 | Air purifier |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3769994B2 (en) |
| CN (1) | CN1140317C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1873334B (en) * | 2005-06-03 | 2010-04-28 | 三洋电机株式会社 | Air cleaner |
| CN103028133A (en) * | 2011-09-30 | 2013-04-10 | 浙江金兆丰光电科技有限公司 | Sterilization equipment frequency conversion control method |
| CN103322623A (en) * | 2013-07-12 | 2013-09-25 | 关玉园 | Air cleaning device |
| CN104315663A (en) * | 2014-10-29 | 2015-01-28 | 小米科技有限责任公司 | Method and device for controlling work of air purifier |
| CN104121661B (en) * | 2014-06-30 | 2017-02-22 | 邯郸美的制冷设备有限公司 | Method and system for controlling air conditioner purification device |
| CN107624078A (en) * | 2015-05-20 | 2018-01-23 | 夏普株式会社 | Air purifier |
| CN108404547A (en) * | 2018-04-02 | 2018-08-17 | 广州海科电子科技有限公司 | Control system of air purifier and air purifier |
| CN109579246A (en) * | 2018-12-12 | 2019-04-05 | 北京环都拓普空调有限公司 | For the control method of new blower, control system and new blower |
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| KR101010687B1 (en) * | 2004-02-03 | 2011-01-24 | 엘지전자 주식회사 | Control System of Air-cleaner and the Method for the Same |
| KR100652801B1 (en) * | 2005-09-12 | 2006-12-01 | 삼성전자주식회사 | Apparatus for operating noiseless mode of air cleaner and control method thereof |
| KR101612447B1 (en) * | 2014-05-08 | 2016-04-14 | 박진환 | Input/output signal detecting system |
| CN104436925B (en) * | 2014-11-25 | 2016-05-04 | 阿尔西制冷工程技术（北京）有限公司 | A kind of air cleaner protective device |
| KR102331431B1 (en) * | 2014-12-17 | 2021-11-30 | 코웨이 주식회사 | Air purifier, system for controling air purifier and method for controling air purifier |
| CN106765995A (en) * | 2017-01-20 | 2017-05-31 | 深圳美智方科技有限公司 | Air purification method and system |
| CN107726519A (en) * | 2017-11-14 | 2018-02-23 | 科林贝思（深圳）科技有限公司 | A kind of new blower fan and its control method of achievable fast purification air |
| CN110538538A (en) * | 2019-09-17 | 2019-12-06 | 杨治军 | Multi-mode air purifier based on PM2.5 testing result |
-
1999
- 1999-08-31 JP JP24666899A patent/JP3769994B2/en not_active Expired - Fee Related
-
2000
- 2000-08-29 CN CNB001238973A patent/CN1140317C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1873334B (en) * | 2005-06-03 | 2010-04-28 | 三洋电机株式会社 | Air cleaner |
| CN103028133A (en) * | 2011-09-30 | 2013-04-10 | 浙江金兆丰光电科技有限公司 | Sterilization equipment frequency conversion control method |
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| CN109579246A (en) * | 2018-12-12 | 2019-04-05 | 北京环都拓普空调有限公司 | For the control method of new blower, control system and new blower |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2001062230A (en) | 2001-03-13 |
| JP3769994B2 (en) | 2006-04-26 |
| CN1140317C (en) | 2004-03-03 |
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