JPH11128769A - Air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air cleaner which can be set selectively on a floor surface, a table or a wall face for blowing air all over the corners of a room. SOLUTION: A setting switch 33 for setting the setting state is provided in an air cleaner, and a flap 31 for deflecting blowing air is provided on an air plenum 12a on an upper face 12 of a housing 10. The flap 31 is displaced on a controlled position corresponding to the setting mode by a stepping motor 32 to provide the blowing air in the direction suitable for the setting mode. The flap 32 is rocked and displayed to vary the blowing air. At the time of setting the device on the wall face, the remote control operation cannot be carrier out. The pollution of a sealing face, therefore, can be prevented by the arrangement.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air cleaning device. In particular, the present invention relates to a type that can be installed on a floor or a table, and installed on a wall.

[0002]

2. Description of the Related Art For example, an air passage is defined inside an air purifier, and air is purified while passing through the air passage. Then, clean air is blown out from the outlet. By the way, some floor or desk-mounted air purifiers have a suction port on the front face and an air outlet on the top face. Such an air purifying device may also be used for a wall-mounted type, and when installed on a wall, the air outlet on the upper surface is
A hood for directing the direction of the blowing wind was fixed as a retrofit part.

[0003]

However, it is also conceivable to forget to attach the hood of the retrofit part. If the air cleaning device is operated without the hood, the blown air is blown to the ceiling surface, and the blown air may not reach every corner of the room. Further, even when the hood is mounted, the fixed hood rectifies the blowing wind in a certain direction, so that the blowing wind may not sufficiently spread to every corner in the room. .

Accordingly, an object of the present invention is to solve the above-mentioned technical problems, and to provide an air purifying apparatus which can select a floor surface, a tabletop installation or a wall installation, and which can spread blown air over a wide range. It is to provide.

[0005]

In order to achieve this object, an air purifying apparatus according to the first aspect of the present invention comprises a blowing means for flowing air to an air passage from an inlet to a blow outlet through a purifying means. In the provided air cleaning device, the first installation mode installed on a floor or a table and the second installation mode installed on a wall surface can be selected while the air air path is partitioned inside, A housing having a portion to be used for installation in each installation mode, and a wind direction regulating member that is displaceably provided at the outlet and regulates the direction of air blown from the outlet at a regulation position according to each installation mode. And a drive mechanism for displacing the wind direction regulating member.

According to this configuration, the following operation is achieved.
That is, when the air purifying device is used in any of the above-described installation modes, the wind direction regulating member can be displaced by the drive mechanism to the regulation position corresponding to the installation mode. As a result of being able to switch to a suitable direction, the blowing wind can be spread to every corner of the room.

[0007] In particular, when the wind direction regulating member is fluctuated and displaced, the direction of the blown wind can be continuously changed, so that the blown wind can be fluctuated and surely spread to every corner of the room. . In addition, the above-mentioned restriction position is a position of the wind direction restriction member set according to each installation mode. The wind direction regulating member may be stopped at this regulating position as necessary, or the regulating position may be continuously varied within a certain range, and the wind direction regulating member may be variably displaced within that range.

[0008] The air purifying apparatus of the invention according to claim 2 is:
2. The air purifying apparatus according to claim 1, wherein a setting means for setting one of the first and second setting modes, and a wind direction restricting member at a restricting position corresponding to the setting mode set by the setting section. And a control means for controlling the position via a drive mechanism. According to this configuration, the following operation is achieved in addition to the operation of the first aspect of the invention. That is, when any of the installation modes is set by the setting unit, the control unit can automatically displace the wind direction restricting member to the restricting position corresponding to the set installation mode. Can be reliably obtained.

Although the control means controls the position of the wind direction regulating member, the wind direction regulating member may be stopped,
The displacement may be continuously varied. The setting means may set the installation mode automatically or in response to a manual operation. The air purifying apparatus of the invention according to claim 3 is:
In the air purifying apparatus according to claim 2, when the second installation mode is set, the angle between the direction of the blowing wind and the horizontal direction is an angle at which the blowing of the blowing wind onto the ceiling surface can be suppressed. The position of the wind direction restricting member is controlled as described below.

According to this configuration, in addition to the function of the second aspect, the following function is achieved. That is, by setting the direction of the blown wind to be equal to or less than the upper limit angle with respect to the horizontal direction, the blowout of the blown wind onto the ceiling surface can be suppressed, so that the ceiling surface due to the blown blown air can be prevented from being stained. . Note that an example of the angle that can be suppressed is 70 degrees.

[0011] The air purifying apparatus of the invention according to claim 4 is as follows.
4. The air cleaning device according to claim 2, wherein
When the installation mode is set, the direction of the blown wind is relatively upward, and when the second installation mode is set, the direction of the blown wind is relatively forward. The position of the wind direction regulating member is controlled.

According to this configuration, in addition to the function of the invention described in claim 2 or 3, the following function is provided. That is, since the air cleaning device of the first installation mode is generally located at a low position in the room, such as a floor surface or a table,
By making the airflow relatively upward as compared with the second installation mode, the blown air can be surely spread to every corner of the room.

[0013] The air purifying apparatus according to the second installation mode includes:
In general, since the wind is fixed at a high position on the wall surface, the blow wind can be reliably transmitted to every corner of the room by making the blow wind relatively forward. Further, in the second installation mode, since the blowing wind is directed forward, the blowing of the blowing wind onto the ceiling surface can be prevented, so that the ceiling surface due to the blowing can be reliably prevented from being stained.

[0014] It should be noted that the relatively upward direction is close to the upward direction, and the relatively forward direction is close to the frontal direction. The air purifying apparatus of the invention according to claim 5 is
5. The air cleaning device according to claim 2, wherein when the second installation mode is set, the control unit relatively narrows a variation range of a direction of the blown wind, and When it is set that the installation mode is
To make the range of variation of the direction of the blowing wind relatively large,
It is characterized in that the wind direction regulating member is fluctuated.

According to this configuration, in addition to the function of the invention according to any one of claims 2 to 4, the following function is provided.
That is, since the air purifying device of the first installation mode is generally installed at a low position in a room, such as a floor surface or a tabletop, the fluctuation range of the direction of the blowing air is increased so that the blowing air is reduced to a corner of the room. It can be surely spread to all. Also,
Since the air purifying device of the second installation mode is generally fixed at a high position on the wall surface, even if the fluctuation range of the direction of the blowing wind is reduced, the blowing wind can be surely spread to every corner of the room. Can be. Further, the air purifying device of the second installation mode may be fixed at a high position on the wall surface and approaching the ceiling, so that the fluctuation range of the direction of the blowing wind is reduced to thereby reduce the ceiling surface of the blowing wind. Spray can be reliably prevented. As a result, it is possible to reliably prevent the ceiling surface from being stained due to the blowing of the blowing wind.

[0016] The air purifying apparatus of the invention according to claim 6 is as follows.
In the air cleaning device according to any one of claims 2 to 5, when the control unit is set to the second installation mode, the control unit stops the wind direction restriction member at a restriction position corresponding to the installation mode. It is characterized by putting. According to this configuration, in addition to the function of the invention described in any one of claims 2 to 5, the following function is provided. That is, since the air purifying device of the second installation mode is generally fixed at a high position on the wall surface, even when the direction of the blowing wind is fixed by stopping the wind direction regulating member, the blowing wind is distributed to every corner of the room. , And the wind direction regulating member is stopped, so that the control can be easily performed.

Further, since the direction of the blown air is fixed by stopping the wind direction regulating member, the blow of the blown wind onto the ceiling surface can be reliably prevented. As a result, dirt on the ceiling surface due to the blown blown wind can be reduced. It can be reliably prevented. Claim 7
The air purifying apparatus according to the invention according to any one of claims 2 to 6, further comprising operating means for receiving a human operation and outputting a signal relating to the position of the wind direction regulating member to the control means. It is characterized by having.

According to this structure, in addition to the operation of the invention described in any one of claims 2 to 6, the control means determines the position of the wind direction regulating member based on the respective signals from the setting means and the operation means. Since it can be controlled with a high degree of freedom, it is possible to obtain a blowing wind that meets the needs. The signal from the operation means may be a signal indicating a position where the wind direction regulating member is stopped, or a signal for causing the wind direction regulating member to fluctuate. Further, the position by the operation means may or may not be limited according to the above-described installation mode.

The air purifying apparatus of the invention according to claim 8 is:
In the air purifying apparatus according to claim 7, the control means includes:
When the second installation mode is set, no signal is received from the operation unit. According to this configuration, the following operation is achieved in addition to the operation of the invention described in claim 7. That is, in the case of the second installation mode, since the signal from the operation means is not received, the control and the operation can be simplified, and the blowout wind in an inappropriate direction caused by the user's operation can be reliably prevented. it can. For example, it is possible to reliably prevent upward blowing wind that may cause stain on the ceiling surface.

Note that only a part of the signal from the operating means is
It may not only be accepted by the control means. The air purifying apparatus according to the ninth aspect of the present invention is the seventh or eighth aspect.
The air purifying device according to the above, wherein the operating means can be operated so as to keep the wind direction regulating member stopped when the first installation mode is set.

According to this configuration, in addition to the function of the invention described in claim 7 or 8, the following function is provided. That is, the air purifying device of the first installation mode is generally assumed to be installed near the user, such as a floor surface or a table, so that there are cases where it is desired to fix the direction of the blown air. For example, there is a case where it is desired to direct a clean blowing wind to the user, or conversely, a case where it is desired to avoid the blowing wind in order to avoid an unpleasant draft feeling. In such a case, since the stopped wind direction regulating member can fix the direction of the blown wind, for example, the blown wind can be prevented from hitting the user, so that an unpleasant draft feeling can be reliably prevented. In addition, it is possible to direct the blowing wind toward the user and obtain a comfortable feeling.

According to a tenth aspect of the present invention, in the air purifying apparatus according to the ninth aspect, the air purifying apparatus is set in the first installation mode, and the wind direction regulating member is stopped by operating means. When operated in such a manner, the control means stops the wind direction regulating member at a stop position corresponding to the air volume. According to this configuration, the following operation is achieved in addition to the operation of the ninth aspect.
That is, since the blown air can be fixed in the direction of the blown air according to the amount of air, the draft feeling caused by the blown air can be reliably prevented according to the amount of air. For example, since a large amount of blowing wind tends to give an unpleasant draft feeling, it is preferable that the blowing wind is not directed to the user. Also, the operation can be simplified.

[0023] According to an eleventh aspect of the present invention, in the air purifying apparatus of the tenth aspect, the stop position is such that the direction of the blown air is relatively upward when the air volume is large. At the time of air volume, the direction of the blown wind is relatively forward. According to this configuration, the following operation is achieved in addition to the operation of the tenth aspect of the present invention. In other words, a relatively large upward blowing wind is unlikely to hit the user, so that the user does not need to give a draft feeling. In addition, at the time of a small air volume where there is no fear of the draft feeling, it is possible to provide a forward and comfortable blowing wind.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described with reference to the accompanying drawings. Hereinafter, an air cleaning device 1 having a function of purifying contaminants by a photocatalyst and a function of removing dust by ionization will be described as an example. FIG. 1 is an exploded perspective view of an air cleaning device according to an embodiment of the present invention. FIG. 2 is a cross-sectional side view of a schematic configuration of the air cleaning device of FIG.

The air purifying apparatus 1 includes a box-shaped housing 10 for defining an air passage therein, and a blower fan 27 as a blower for flowing air through the air passage in the housing 10. The housing 10 includes a front case 11 and a rear case 12, and has a suction port 11a serving as an inlet of an air passage.
Are formed on the front surface of the front case 11. Further, a blower fan 27 is provided in a portion of the rear case in the middle of the air passage, and an air outlet 12a serving as an outlet of the air passage is formed on the upper surface 12e of the rear case 12. The outlet 12a is provided with a wind direction adjusting device 30 for regulating the direction of the wind blown from the outlet 12a.

The blower fan 27 is composed of, for example, a sirocco fan for generating a ventilation flow in a predetermined direction, and is driven to rotate by a blower motor 28. Blower fan 27
Is mounted in a casing 12d formed integrally with the rear part of the rear case 12. The casing 12d is
A part of the air passage is sectioned, the front surface has an opening connected to the inside of the front case 11, and communicates with the upper outlet 12a.

The air passage is an air passage that flows from the inlet 11a through the front case 11 and the rear case 12 from the front to the rear, and turns upward in the casing 12d to reach the outlet 12a. . The air is purified by the purifying means 20 in the portion of the air passage before entering the blower fan 27. The purifying means 20 is constituted by the following components arranged sequentially along the air passage in the housing 10. That is, a pre-filter 21 for removing relatively large dirt and dust, an ionization unit 22 for ionizing dust particles in a flow (air flow) along an air passage, and an electrostatic device for adsorbing ionized dust particles. A roll filter 23 including a filter 23a and a deodorizing filter 23b supporting a photocatalyst;
A photocatalyst element 25 for holding the photocatalyst, and a light source 26 for purifying contaminants by irradiating the photocatalyst element 25 and the like with ultraviolet light to excite the photocatalyst.
Are disposed from upstream to downstream in the flow direction of the ventilation flow.

The ionization section 22 includes a plurality of ionization lines 22a extending in a direction perpendicular to the direction of the air flow and being parallel to each other, and a pair of opposing electrode plates disposed opposite each other with the ionization lines 22a interposed therebetween. 22b.
The ionization unit 22 charges the dust particles in the ventilation flow by an ion shower generated by corona discharge. The charged dust particles are electrically absorbed by the electrostatic filter 23a.

The photocatalyst element 25 carries a photocatalyst which decomposes odor components and the like upon irradiation of ultraviolet rays on the surface or inside of a photocatalyst carrier having a ventilation surface. The photocatalyst means a substance that absorbs light and gives the energy to a reactant to cause a chemical reaction, and specifically, titanium oxide (TiO ₂ ) and zinc oxide (ZnO) having an anatase type crystal structure And tungsten oxide (WO ₃ ). The light source 26 has, for example, a wavelength of 320 to 420 n.
m of light can be emitted, which can activate the photocatalyst to purify contaminants.

According to the air purifying apparatus 1, when the blower fan 27 is operated, air is sucked from the suction port 11a, and relatively large dust is captured by the pre-filter 21 while flowing through the above-described air passage. Fine dust is charged in the ionization unit 22 and captured by the electrostatic filter 23a, and contaminants such as odor components are purified by the photocatalytic element 25 and the deodorizing filter 23b. The air thus purified is blown out from the outlet 12a (arrows A to A).
C).

By the way, in the air purifying apparatus 1, a first installation mode installed on the floor TF or a table and a second installation mode installed on the wall surface W0 can be selected.
For this reason, the housing 10 has portions used for installation in each installation mode. The air blown from the air outlet 12a is blown out by the wind direction adjusting device 30 in a direction suitable for the selected installation mode.

The details will be described below. On the rear surface of the rear case 12 of the housing 10, a hook portion 12b that can be used when used in the second installation mode is integrally formed. The air purifier 1 can be installed on the wall surface W0 by hooking and engaging the hook portion 12b with a mounting bracket W1 fixed to the wall surface W0. Also, the rear case 12
A plurality of legs 12c that can be used when used in the first installation mode are integrally formed on the lower surface of the.

The wind direction adjusting device 30 is provided at the outlet 12a so as to be displaceable and controls the direction of the blown air. The flap 31 serves as a wind direction regulating member, and the stepping motor 32 (SP) serves as a drive mechanism for displacing the flap 31. Motor). The flap 31 is a plate-like member having a lower surface 31b formed of, for example, a concave curved surface, which deflects the blowing wind, and is formed in a single plate shape having substantially the same size as the outlet 12a. The flap 31 has a pair of rotation center shafts 31a provided near the rear end edge and extending in a straight line in the horizontal direction, and these rotation center shafts 31a are rotatably supported by the rear case 12. . Further, one rotation center shaft 31 a is drivingly connected to the output shaft of the stepping motor 32 in a directly connected state.

When a predetermined drive signal is input to the stepping motor 32, the output shaft can be displaced to an angular position corresponding to the signal. The operation of the flap 31 will be described. When the stepping motor 32 is driven, the flap 3
1 is rotationally displaced about the rotation center axis 31a,
By deflecting the flow of the air passing through the outlet 12a, the deflection angle (shown by D1 in FIG. 3) between the flow direction immediately before the blown air passes through the flap 31 and the flow direction immediately after the blown flap 31 can be made different. . As a result, the blowing direction of the blowing wind can be changed, for example, from the flow direction from the bottom upward to the forward direction.

A plurality of restriction positions are set in advance on the flap 31 in accordance with the installation mode and the air volume. Flap 31
Is stopped at each restriction position, as described later, and the direction of the blown wind is determined accordingly. Also, flap 31
Is fluctuated and displaced between positions within a certain range including the regulation position, and the direction of the blown wind changes accordingly. Flap 3
Specifically, the following positions are set as the one restriction position according to each installation mode. For example, flap 3
A closed position (P0) in which 1 is housed flush with the upper surface 12e of the rear case 12 and the outlet 12a is closed. A first position (P) in which the flap 31 is rotationally displaced by 20 degrees in a direction (clockwise direction in FIG. 3) in which the outlet 12a is opened from the closed position.
1). From the first position, the flap 31
Is a second position (P2) where is rotated upward by 10 degrees.
A third position (P3) in which the flap 31 is rotationally displaced by 10 degrees in a direction to open from the second position. A fourth position (P4) in which the flap 31 is rotationally displaced by 30 degrees in a direction in which the flap 31 is opened from the third position, and the flap 31 is substantially erected on the outlet 12a and the outlet 12a is opened. In the above-described closed state, the lower surface 3 of the flap 31 is in the direction of the blowing wind.
The angle between the direction in which the front end of the front end 1b extends forward and the horizontal direction (hereinafter, referred to as the blowout angle, shown as D2 in FIG. 3)
Is set to almost 0 degrees. Further, the blowing angle from the flap 31 at the first position is approximately 20 degrees upward with respect to the horizontal direction. The blowing angle at the second position is set at approximately 30 degrees, the blowing angle at the third position is set at approximately 40 degrees, and the blowing angle at the fourth position is set at approximately 70 degrees.

As described above, when the air purifying apparatus is used in any of the above-described installation modes, the flap 31 can be displaced by the drive mechanism to the restricting position corresponding to the installation mode. As a result of being able to switch to a direction suitable for the mode, the blown wind can be spread to every corner of the room. Further, the air purifying apparatus 1 has a control unit 40 as a control unit for controlling the position of the flap 31 via a driving mechanism, and a setting unit for setting which of the first and second installation modes. , And an operation panel 34 and a remote control device 35 as operation means for giving various settings and commands to the control unit 40 for operation.

The control unit 40 is provided in the housing 10 and includes a microcomputer C and the like.
PU, RAM, ROM, etc. are included. The control unit 40
Control is performed based on programs, data, and the like stored in a ROM or the like. Further, the control unit 40 includes a clock (not shown), and can measure an interval when the stepping motor 32 is temporarily stopped as described later.

The control unit 40 is connected to the installation switch 33 and the operation panel 34,
A signal from each switch of the operation panel 34 is input.
Further, a connection circuit (not shown) capable of receiving a signal via infrared rays or the like is connected to the control unit 40, and the control unit 40 receives a signal from a remote control device 35 for remote operation provided separately from the air purifying device main body. Can be input to the control unit 40.

The control unit 40 can control the operations of the blower fan motor 28, the stepping motor 32, and the like via a drive circuit (not shown). For example, the blower fan motor 28 is driven to change the air volume, and changes the air volume of the blown air according to a command from the operating means to a large air volume (air volume H), a medium air volume (air volume M), and a small air volume (air volume L). And the amount of fine air (air volume LL). Here, the relationship between the air volumes is H>M>L> LL.

The installation switch 33 is a switch that can be manually operated. The installation switch 33 can be operated in two states according to the first and second installation modes, for example, an open state and a closed state, and can maintain that state. The installation switch 33 is disposed on the front surface of the rear case 12, and is operable with the front case 11 removed to prevent inappropriate operation by an uninformed user. The setting unit may respond to the manual operation as described above, or may be configured to automatically set the installation mode.

As described above, when one of the installation modes is set by the installation switch 33, the flap 31 can be automatically displaced to the restricted position corresponding to the set installation mode by the control means, so that it is suitable for the installation mode. It is possible to reliably obtain a blown wind in a different direction. The operating means specifically has the following switches for operating each part of the present air cleaning device. These switches are provided on both the operation panel 34 and the remote controller 35. Each switch outputs a predetermined signal to the control unit 40 in response to a human operation. These switches include a power switch for turning the power on and off, a start switch for operating the air blowing fan 27 and the purifying means 20 to perform an air cleaning operation, an air volume switch for setting the air volume of the blown air, and a flap 31. As a signal related to the regulation position, a swing switch for giving a swing operation command (swing input) for fluctuating the flap 31 can be exemplified.

As described above, by providing the operating means in addition to the setting means, the control means can control the position of the flap 31 with a high degree of freedom based on the respective signals from the setting means and the operating means. As a result, it is possible to obtain a blowing wind that meets the needs. Note that, in the present embodiment, the operation means is limited in the operation content according to the installation mode as described later, and thereby, it is possible to surely generate a blowing wind suitable for a situation assumed in advance according to the installation mode. Obtainable. Further, the operation content of the operation means may not be limited as described above.
As the signal related to the first regulated position, a signal for setting an arbitrary regulated position or a position variation range may be output. In this case, it is possible to obtain a blowing wind suitable for use in a situation that cannot be assumed in advance depending on the installation mode.

Next, the contents of the control will be described. The air purifying apparatus 1 is operated automatically or manually in a selectable manner according to the contents of the installation mode set as described above. Hereinafter, the flow charts of FIGS. 4 to 8 will be described for the case where the swing operation is performed in the first installation mode, the case where the swing operation is not performed in the first installation mode, and the case of the second installation mode. This will be described with reference to FIG. 9 (a) to 9 (l),
The schematic diagram of the position of the flap 31 in each case is illustrated according to the installation mode, the swing input, and the air volume.

In this air cleaning device, the installation mode in which the device is installed is set in advance by manually operating the installation switch 33. First, reference is made to FIG. When the swing operation is performed in the first installation mode.

When the power is turned on, first, a swing input is disabled (step S1). next,
By driving the stepping motor 32, the flap 31 is returned to the closed position, and the flap 31 is returned (step S2). Next, the contents set in the installation switch 33 are read (step S3). Step S4
Then, based on the content set in the installation switch 33,
Determine the installation mode. That is, if the installation switch 33 is in the closed state (H), it can be determined that the operation mode is the first installation mode (desktop installation). On the other hand, if the installation switch 33 is in the open state (L), it can be determined that the installation mode is the second installation mode (wall installation). Control is performed according to the determined content.

In the first installation mode (YE in step S4)
S), swing control (step S5) shown in FIG. 5 is performed. After the setting of the air volume and the like is performed by the operating means, the operation is started by operating the start switch.
Thereby, the swing control is started (Step S2)
First, a flap position setting process (step S22) for displacing the flap 31 to the initial position is performed. The initial position here is a start position when the flap 31 is fluctuated.

In the flap position setting process, as shown in FIG. 7, first, in accordance with the content of the setting switch 33 (YES in step S11), the inhibition of the acceptance of the swing input is released (step S12), and the reciprocation of the flap 31 is performed. It is made possible to select fluctuation or stop. Next, the rotation speed of the stepping motor 32 is set (step S13). This rotation speed is set to be faster than the rotation speed at the time of reciprocating fluctuation, for example, twice, so that the flap 31 can be quickly arranged at the start position.

In the case of the first installation mode (NO in step S14), the initial position is set according to the amount of blown air. That is, when the air volume is LL or L (YES in step S15), the stepping motor 32 is driven so that the flap 31 is displaced to the third position (step S16). If the air volume is M or H (NO in step S15), the flap 31
The stepping motor 32 is driven to move to the position (step S17).

Returning to FIG. After that, the presence or absence of a swing input and operation stop input is constantly monitored,
Control is performed. In step S23, the presence or absence of a swing input is determined. In the case of swing driving (step S
First, the rotational speed of the stepping motor 32 is set (step S24). This rotation speed is a rotation speed when the flap 31 is reciprocated. For example, the rotation speed is set to 5 degrees per second.

Next, the flap 3
The content of the position control of No. 1 is set. That is, when the air volume is H (YES in step S25), the stepping motor 32 is driven such that the flap 31 continuously reciprocates between the fourth position and the third position (step S26). ) (See FIG. 9A). Also, if the air volume is M
(NO in step S25, YES in step S27), the stepping motor 3 is moved so that the flap 31 continuously reciprocates between the fourth position and the second position.
2 is driven (step S28) (see FIG. 9B).

If the air volume is L (step S2)
7, NO in step S29), and the stepping motor 32 is driven so that the flap 31 continuously reciprocates between the fourth position and the first position (step S30) ((FIG. 9 ( c)). When the air volume is LL (NO in step S29), the flap 31 is stopped at the third position (step S31) (see FIG. 9D).

As described above, depending on the position of the flap 31 according to the air flow, it is possible to obtain blown air in an appropriate direction according to the air flow. Thereafter, as shown in FIG. 4, when an operation stop is commanded (YES in step S7), stop processing is performed (step S8). In the stop process, as shown in FIG. 8, first, the swing input is not accepted (step S81), and then the stepping motor 32 is driven so as to displace the flap 31 to the closing position (step S82). ). As described above, when the operation is stopped, since the air outlet 12a is closed by the flap 31, it is possible to prevent dust and the like from entering from the air outlet 12a.

When the swing operation is not performed in the first installation mode. In this case, the content of the swing control in step S5 is as follows.
This is different from the case described above. First, as shown in FIG. 5, the initial position displaced in the flap position setting process (step S22) is a restriction position where the flap 31 is stopped. As described above, when the air volume is LL or L (YES in step S15 of FIG. 7), the flap 31
Is stopped at the third position (step S16). Also,
If the air volume is M or H (N in step S15)
O), the flap 31 is stopped at the fourth position (Step S17).

When the swing operation is not performed (NO in step S23 in FIG. 5), the direction of the blown air is determined by the flap 31 stopped at the restriction position as described above. That is, when the air volume is M or H, the flap 31 stops at the fourth position (see FIGS. 9E and 9F), and when the air volume is L or LL, the flap 31 stops at the third position. (See (g) and (h) of FIG. 9).

Thereafter, as described above, when operation stop is instructed (YES in step S7 in FIG. 4), stop processing is performed (step S8). Thus, the operating means is
When the first installation mode is set, it is possible to operate the flap 31 to be stopped, thereby realizing a comfortable air cleaning device 1. This is because the air purifying device of the first installation mode is
In general, it is assumed that the apparatus is installed near the user, such as on a floor or a table, so that it may be desired to fix the direction of the blowing wind. For example, there is a case where it is desired to direct a clean blowing wind to the user, or conversely, a case where it is desired to avoid the blowing wind in order to avoid an unpleasant draft feeling. In such a case, the stopped flap 31 can fix the direction of the blowing wind,
For example, as a result that the blowing wind does not hit the user, an unpleasant draft feeling can be reliably prevented. In addition, it is possible to direct the blowing wind toward the user and obtain a comfortable feeling.

In particular, when the first installation mode is set and the operating means is operated to stop the flap 31, the flap 31 stops at the stop position corresponding to the air volume. (FIG. 9E)
(H)). This allows the blown air to be fixed in the direction of the blown air according to the amount of air, so that the sense of draft caused by the blown air can be reliably prevented according to the amount of air. For example, since a large amount of blowing wind tends to give an unpleasant draft feeling, it is preferable that the blowing wind is not directed to the user. Also, the operation can be simplified.

Further, the stop position at which the flap 31 is stopped in accordance with the air volume is such that the direction of the blown air is relatively upward when the air volume is large, and the direction of the blow air is relatively forward when the air volume is small. Have been. by this,
A relatively large upward blowing wind is difficult to hit the user, so that the user does not need to give a draft feeling. In addition, at the time of a small air volume where there is no fear of the draft feeling, it is possible to provide a forward and comfortable blowing wind.

For example, when the air volume H is relatively large, the flap 31 is at the fourth position, whereas when the air volume L is relatively small, the flap 31 is at the third position. It should be noted that relatively upward is close to right above,
Relatively forward is close to the frontal direction. For example, the flap 31 at the fourth position is relatively upward with respect to the third position, and conversely, the flap 31 at the third position is relatively forward with respect to the fourth position. It is.

In the case of the second installation mode In this case (NO in step S4 of FIG. 4), flap control (step S6) is performed. In this case, the swing input by the operation means is not accepted, and the position of the flap 31 is controlled in a preset mode. As shown in FIG. 6, when the operation is started by operating the start switch after the setting of the air volume or the like is performed by the operation means, the flap control is started (YES in step S61). First, a flap position setting process (step S62) for displacing the flap 31 to the initial position is performed.

In the flap position setting process, as shown in FIG. 7, in the case of (NO in step S11), the rotation speed of the stepping motor 32 is immediately set (step S13). In the case of the second installation mode (YES in step S14), the initial position is set irrespective of the amount of blown air. That is, the stepping motor 32 is driven so that the flap 31 is displaced to the third position (Step S16). Thereby, control is simplified. This is because the air purifying device of the second installation mode is assumed to be installed close to the ceiling, and the range in which the direction of the blown wind can be adopted is narrowed. As a result, the range of the restricted position of the flap 31 is also narrow. is there.

Referring back to FIG. Thereafter, the operation is performed while the presence or absence of the operation stop input is constantly monitored.
First, the rotation speed of the stepping motor 32 is set (step S63). This rotation speed is a rotation speed when the flap 31 is reciprocated. For example, the rotation speed is set to 5 degrees per second.

Next, the flap 31 is set in accordance with the amount of the blown air.
Is position-controlled. If the air volume is H (step S6)
4 (YES in step 4), the flap 31 is stopped at the third position (step S65) (see (i) in FIG. 9). If the air volume is M (N in step S64)
O, YES in step S66), the stepping motor 32 is driven so that the flap 31 reciprocates between the third position and the second position while temporarily stopping at both positions (step S67). For example, the flap 31 is displaced from the third position to the second position, and at the second position, for example, 1
After stopping for 0 second, the cycle is repeated from the second position to the third position and stopped at the third position, for example, for 10 seconds (see FIG. 9 (j)).

When the air volume is L (step S6)
6; NO), so that the flap 31 reciprocates between the third position and the first position while temporarily stopping at both positions.
The stepping motor 32 is driven (step S6).
8). For example, the flap 31 is displaced from the third position to the first position, and after stopping at the first position for, for example, 10 seconds,
This cycle of displacing from the first position to the third position and stopping at the third position for, for example, 10 seconds is repeated (see (k) in FIG. 9).

When the air volume is LL (YES in step S64), the flap 31 is stopped at the third position (step S65) (see (l) of FIG. 9).
In this manner, by the position and movement of the flap 31 according to the air flow, it is possible to obtain blown air in an appropriate direction according to the air flow. Thereafter, as shown in FIG. 4, when an operation stop is instructed by the operation means (YES in step S7), stop processing is performed (step S8).

As described above, when the second installation mode is set, the position of the flap 31 is set to, for example,
The third position to the first position are controlled, and the angle D2 between the direction of the blowing wind and the horizontal direction is set to 40 degrees or less,
The angle is set to be equal to or less than the angle at which the blowing of the blowing wind onto the ceiling surface can be suppressed. In this way, by setting the direction of the blown wind to be equal to or less than the upper limit angle with respect to the horizontal direction, the blowing of the blown wind onto the ceiling surface can be suppressed, and therefore, the ceiling surface can be prevented from being stained due to the blown wind. Can be.
Here, 70 degrees can be exemplified as the upper limit angle of the angle that can be suppressed.

When the second installation mode is set, the flap 31 is stopped at the regulating position according to the installation mode. For example, in the case of the air volume H and the air volume LL in the second installation mode, the flap 3
1 is stopped at the third position. Thereby, since the air purifying device of the second installation mode is generally fixed at a high position on the wall surface, even if the flap 31 is stopped and the direction of the blown air is fixed, the blown air is distributed to every corner of the room. , And the flap 31 is stopped, so that the control can be simplified. Further, since the direction of the blown air is fixed by stopping the flap 31, it is possible to reliably prevent the blown wind from being blown onto the ceiling surface. As a result, it is possible to reliably prevent the ceiling surface from being stained due to the blown blown air. be able to.

The control unit 40 is configured not to receive a signal from the operating means when the second installation mode is set. As described above, by not receiving a signal, control and operation can be simplified, and blowout in an inappropriate direction due to a user operation can be reliably prevented. For example, it is possible to reliably prevent upward blowing wind that may cause stain on the ceiling surface.

As described above, according to the present embodiment, by displacing the flap 31 of the air outlet 12a by the drive mechanism, the air purifying apparatus can be used in any of the first and second installation modes. In addition, since the blowing wind in a direction suitable for the installation mode is obtained as shown in FIG. 9, the blowing wind can be spread to every corner of the room. In particular, when the flap 31 is fluctuated, the blown air can be fluctuated and can be surely spread to every corner of the room. For example, in the case of the air volume H, M, L in the above case,
The above cases are the cases of the air volumes M and L.

Further, by setting the installation mode by the setting means, it is possible to automatically and reliably obtain a blown wind in a direction suitable for the installation mode. Further, in the case of the second installation mode, the flap 31 is set to the first to third positions, the direction of the blowing wind is controlled, the angle D2 is set to the upper limit angle or less, and the blowing of the blowing wind to the ceiling surface is performed. Since it can be suppressed, it is possible to prevent the ceiling surface from being stained due to the blowing of the blowing wind.

When the first installation mode is set, the direction of the blown air is relatively upward, and when the second installation mode is set, the direction of the blown air is relatively high. The position of the flap 31 is controlled so as to be directed forward. Thereby, since the air cleaning device 1 of the first installation mode is generally located at a low position in the room, such as a floor or a table, the direction of the blown air is relatively upward as compared with the second installation mode. By doing so, it is possible to make sure that the blown wind can reach all corners of the room.
In addition, since the air purifying device 1 of the second installation mode is generally fixed at a high position on the wall surface, by making the direction of the blown air relatively forward, the blown air can be surely spread to every corner of the room. Can be spread. In the second installation mode, the direction of the blowing wind is directed forward,
Since the blowing of the blown wind onto the ceiling surface can be prevented, the ceiling surface can be reliably prevented from being stained due to the blowing.

For example, in each of FIGS. 9A to 9C,
For each of the cases of FIGS. 9 (i) to 9 (k), the direction of the blowing wind that is relatively upward is included. Also, FIG.
In each case of (f), the direction of the blowing wind is set to be relatively upward with respect to the cases of FIGS. 9 (i) and 9 (j). In addition, the case of FIG. 9K includes the direction of the blown wind that is relatively forward with respect to the case of FIG. 9G.

Further, when the second installation mode is set, the fluctuation range of the direction of the blown wind is relatively reduced. When the first installation mode is set, the blowout wind direction is changed. The flap 31 is fluctuated so as to relatively increase the range of fluctuating direction. Thereby, in the air purifying apparatus 1 according to the first installation mode, which is generally installed at a low position in a room such as a floor surface or a tabletop, the range of variation in the direction of the blown wind is increased, so that the blown wind is reduced to the corner of the room It can be surely spread to all. Also, the second
Since the air purifying apparatus 1 of the installation mode of (1) is generally fixed at a high position on the wall surface, even if the fluctuation range of the direction of the blowing wind is reduced, the blowing wind can be surely spread to every corner of the room. it can. Further, since the air cleaning device 1 of the second installation mode may be fixed to a high position on the wall surface and approaching the ceiling, the fluctuation range of the direction of the blown wind is reduced to reduce the ceiling of the blown wind. Spraying on the surface can be reliably prevented. As a result, it is possible to reliably prevent the ceiling surface from being stained due to the blowing of the blowing wind.

For example, in each of FIGS. 9A to 9C,
In each case of FIGS. 9 (i) to 9 (k), the fluctuation range in the direction of the blown wind is set to be relatively large. Further, as shown in FIGS. 9 (i) and 9 (l), in the second installation mode, the flap 31 is stopped to fix the direction of the blown air, thereby spreading the blown air to every corner of the room. , And can be easily controlled. In addition, the fixed blowing air can reliably prevent the above-described stain on the ceiling surface.

Further, as shown in the case, the signal from the operating means is not accepted in the second installation mode, so that the control and the operation can be simplified, and the inappropriate operation caused by the user's operation can be achieved. It is possible to reliably prevent the blowout wind in the direction, for example, the blowout wind that causes the above-described ceiling surface dirt.
Note that a part of the signal from the operation unit, for example, only the swing input signal may not be accepted by the control unit 40.

In the first installation mode in which it is assumed that the user is near the user, the direction of the blowing air can be fixed as desired by the user, as in the case described above. For example, a comfortable feeling can be obtained by directing a clean blowing wind toward the user. Conversely, the blowing wind does not hit the user, so that an unpleasant draft feeling can be reliably avoided.

In particular, when the direction of the blowing air is fixed in the first installation mode, this direction can be fixed according to the amount of air.
For example, it is possible to reliably prevent the draft sensation in accordance with the air volume by preventing the large-volume blowing wind that easily gives an unpleasant draft sensation to the user, and further simplify the operation. Furthermore, when the direction of the blowing air is fixed in accordance with the air flow in the first installation mode, the blowing air having a large air flow is relatively directed upward so that a draft feeling can be prevented. At times, it is possible to provide a forward and comfortable blowing wind.

The flap 31 displaced by the drive mechanism
Since both the mechanism for dispersing the direction of the blowing wind and the mechanism for regulating the direction of the blowing wind according to the installation mode can be simplified, the structure of the air cleaning device 1 can be simplified. . Further, the flap 31 is controlled so as to have a deflection angle D1 corresponding to the amount of blown air. As a result, the blowing wind can be set to the deflection angle D1 corresponding to the air volume,
As a result of being able to finely adjust the blown air, for example, noise at a large air volume can be reduced.

In particular, as the deflection angle according to the amount of the blown air, a magnitude relationship is established such that the deflection angle when the amount of the blown air is large is smaller than the deflection angle when the amount of the blown air is small. Has been. As a result, the deflection angle at a large air volume can be reliably reduced, so that noise generated at a large air volume and a large deflection angle can be reliably reduced. Note that the magnitude relationship may be partially satisfied.

For example, each of the cases of FIGS. 9A to 9C includes a direction in which the smaller the air volume, the larger the deflection angle D1. Further, in each of the cases of FIGS. 9E to 9H, the deflection angle D1 at the air volumes H and M is smaller than the deflection angle D1 at the air volumes L and LL. FIG. 9 (i)-
Each case of (k) includes a direction in which the smaller the air volume, the larger the deflection angle D1.

When the flap 31 is reciprocatingly displaced, the width of the deflection angle fluctuation range when the amount of blown air is large is defined as the width of the deflection angle fluctuation range when the amount of blown air is small. The relationship is smaller than the size. As a result, the largest deflection angle in the fluctuation range can be reduced, so that excessive deflection of the blown wind can be prevented. As a result, the above-described noise can be more reliably reduced. In particular, it is more preferable that the maximum deflection angle in the width of the fluctuation range when the air flow is large is smaller than the maximum deflection angle in the width of the fluctuation range when the air flow is small.

For example, in each of the cases shown in FIGS. 9A to 9C, the smaller the air flow, the larger the range of the deflection angle variation range. Also, in the case of FIG. 9 (k), FIG.
Compared with the case of (j), the width of the deflection angle fluctuation range is larger. When the air volume is LL, FIG.
As shown in (d), (h) and (l), the swing operation is disabled and the flap 31 is stopped. Thereby, the operating noise of the drive mechanism can be prevented, and the operating noise can be further reduced.

In the air purifying apparatus 1, the air outlet 1
Since 2a is located on the upper surface 12e of the housing 10, it is generally necessary to urge the blowout wind forward, so that the deflection angle D1 of the blowout wind tends to increase and noise tends to increase. Even in such a case, the deflection angle D1 according to the air volume is
Therefore, it is possible to suppress noise at a large air volume.

In the above embodiment, the air outlet 12
a is not limited to the upper surface 12e of the housing 10, and may be, for example, on the front surface of the housing 10. Further, the configurations of the flap 31 and the drive mechanism are not limited to those described above. For example, the flap 31 may be a grill having a plurality of members. Further, the drive mechanism may include a motion conversion mechanism such as a link mechanism, a position detection sensor, and the like. In short, the flap 31 is provided at the outlet so as to be displaceable, and may be any wind direction regulating member that can regulate the direction of the blown air from the outlet at the regulating position according to each installation mode. It is sufficient that the wind direction regulating member can be displaced to the regulating position.

In the above embodiment, the purifying means 2
As 0, a photocatalyst having a function of purifying contaminants and a function of removing dust by ionization is exemplified, but is not limited thereto. For example, only one of the functions may be used. Other known purifying means can also be used. In short, the present invention can be applied to an air purifying device in which wind passing through a purifying unit is blown out from an outlet.

In addition, various design changes can be made without changing the gist of the present invention.

[0086]

According to the first aspect of the present invention, the following effects can be obtained. That is, when the air purifying device is used in any of the first and second installation modes, the air direction regulating member is displaced to a regulation position corresponding to the installation mode, so that the air purifying device has a direction suitable for the installation mode. The blowing wind can spread the blowing wind to every corner of the room. In particular, when the wind direction regulating member is fluctuated and displaced, the blown air can be fluctuated and can be surely spread to every corner of the room.

According to the second aspect of the present invention, in addition to the effect of the first aspect, the blowing wind in the direction suitable for the installation mode is automatically generated according to the installation mode set by the setting means. Can be obtained reliably. According to the third aspect of the invention, in addition to the effect of the second aspect, in the second installation mode, the direction of the blown wind is controlled to blow the blown wind onto the ceiling surface. Therefore, it is possible to prevent the ceiling surface from being stained due to the blowing of the blowing wind.

According to the fourth aspect of the present invention, the following effects are obtained in addition to the effects of the second or third aspect of the present invention. That is, by making the direction of the blowout wind in the first installation mode relatively upward as compared with the case of the second installation mode, the blowout wind can be surely spread to every corner of the room. it can. In addition, by making the direction of the blowing wind in the second installation mode relatively forward, the blowing wind can be surely spread to every corner of the room,
In addition, it is possible to reliably prevent the ceiling surface from being stained due to the blowing of the blown wind onto the ceiling surface.

According to the fifth aspect of the invention, the following effects are obtained in addition to the effects of the second aspect of the invention. In other words, by increasing the width of the variation range of the direction of the blown wind in the first installation mode, the blown wind can be surely spread to every corner of the room. Also,
By reducing the width of the variation range of the direction of the blown wind in the second installation mode, the blown wind is reliably spread to every corner of the room, and is caused by blowing of the blown wind onto the ceiling surface. Dirt on the ceiling surface can be reliably prevented.

According to the sixth aspect of the invention, the following effects are obtained in addition to the effects of the second aspect of the invention. That is, in the case of the second installation mode, by stopping the wind direction regulating member and fixing the direction of the blown wind, the blowout wind can be distributed to every corner of the room, and the control can be simplified. Moreover, the fixed blowing air can reliably prevent the ceiling surface from being stained due to the blowing onto the ceiling surface.

According to the seventh aspect of the present invention, in addition to the effects of the second aspect, the wind direction regulating member can be raised based on the respective signals from the setting means and the operating means. Since it can be controlled with a degree of freedom, it is possible to obtain a blowing wind that meets the needs. According to the invention of claim 8, in addition to the effect of the invention of claim 7, when installed on a wall, a signal from the operation means is not received, so that control and operation can be simplified, and It is possible to reliably prevent a blown wind in an inappropriate direction due to a user operation. As a result, for example, the ceiling surface can be reliably prevented from being stained.

According to the ninth aspect of the present invention, the following effects are obtained in addition to the effects of the seventh or eighth aspect of the present invention. That is, in the first installation mode in which it is assumed to be near the user, it is preferable because the direction of the blowing wind can be fixed to the user's preference. For example, a comfortable feeling can be obtained by directing a clean blowing wind toward the user. Conversely, the blowing wind does not hit the user, so that an unpleasant draft feeling can be reliably avoided.

According to the tenth aspect, the ninth aspect is provided.
In addition to the effects of the invention described in the above, since the direction of the blowing wind can be fixed according to the wind volume, for example, to prevent the user from blowing a large wind volume that tends to give an unpleasant draft feeling,
Draft feeling can be reliably prevented according to the air volume,
In addition, the operation can be simplified. According to the eleventh aspect of the present invention, in addition to the effect of the tenth aspect of the present invention, a large amount of blown wind can be relatively directed upward to prevent a draft feeling, and there is no fear of a draft feeling. When the amount of air is small, it is possible to provide a forward and comfortable blowing wind.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an air cleaning device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional side view of a schematic configuration of the air cleaning device of FIG.

FIG. 3 is a sectional side view of a wind direction adjusting device of the air cleaning device of FIG. 1;

FIG. 4 is a flowchart showing an outline of control contents of the air cleaning device of FIG. 1;

FIG. 5 is a detailed flowchart of the swing control in FIG. 4;

FIG. 6 is a detailed flowchart of the flap control of FIG. 4;

FIG. 7 is a detailed flowchart of a flap position setting process of FIG. 4;

FIG. 8 is a detailed flowchart of a stop process of FIG. 4;

FIG. 9 is a schematic view of a position of a flap of the air cleaning device of FIG. 1, and is shown in (a) to (l) according to an installation mode, a swing input, and an air volume.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air purifier 10 Housing 11a Suction port 12a Blow-off port 12b Hook part (part used in the 2nd installation mode) 12c Leg part (portion used in a 1st installation mode) 20 Purification means 27 Blowing fan (blowing means) Reference Signs List 31 flap (wind direction regulating member) 32 stepping motor (drive mechanism) 33 installation switch (setting means) 34 operation panel (operation means) 35 remote control operation device (operation means) 40 control unit (control means) Arrows A to C Air flow path D2 Angle between the direction of the blowing wind and the horizontal direction P1 to P4 Restriction position TF Floor surface W0 Wall surface

Claims (11)

[Claims] An air blowing means (2) for flowing air from an air inlet (11a) to an air flow path (AC) from a suction means (20) to an air outlet (12a) through a purifying means (20).
7) In the air purifying apparatus (1) equipped with the above (7), the above air passage (AC) is partitioned inside and the floor (TF)
Or the first installation mode installed on a table, and the wall (W
The second installation mode installed in (0) can be selected, and can be displaced to the housing (10) having portions (12b, 12c) respectively used for installation in each installation mode, and the outlet (12a). A wind direction regulating member (31) that regulates the direction of the wind blown out from the outlet (12a) at a regulating position (P1-P4) corresponding to each installation mode, and displaces the wind direction regulating member (31). An air purifying device, comprising: a driving mechanism (32) for causing the air to be cleaned. 2. An air purifying apparatus according to claim 1, wherein said setting means sets one of the first and second installation modes, and said setting means sets said setting means. The position of the wind direction regulating member (31) is moved to the regulating position (P1-P4) according to the mode.
An air purifying apparatus, further comprising control means (40) for controlling via (32). 3. The air purifying apparatus according to claim 2, wherein when the second installation mode is set, the angle (D2) between the direction of the blown wind and the horizontal direction is equal to the ceiling of the blown wind. An air purifying device, wherein the position of the wind direction regulating member (31) is controlled so as to be equal to or less than an angle at which spraying on a surface can be suppressed. 4. The air purifying apparatus according to claim 2, wherein when the first installation mode is set, the direction of the blown air is relatively upward and the second installation mode. An air purifying device, wherein the position of the wind direction regulating member (31) is controlled so that the direction of the blown wind is relatively forward when the setting is made. 5. The air purifying apparatus according to claim 2, wherein the control means (40) sets a fluctuation range of the direction of the blown wind when the second installation mode is set. When it is set to be relatively small and the first installation mode is set, the wind direction regulating member (31) is fluctuated and displaced so as to relatively widen the fluctuation range of the direction of the blown wind. Air purifying equipment. 6. The air purifying apparatus according to claim 2, wherein the control means (40), when the second installation mode is set, sets the regulating position according to the installation mode. (P3) The air purification device characterized in that the wind direction regulating member (31) is stopped. 7. The operating means according to claim 2, wherein a signal relating to the position of the wind direction regulating member (31) is output to the control means (40) in response to a human operation. An air purifying device further comprising (34,35). 8. The air purifying apparatus according to claim 7, wherein the control means (40) transmits a signal from the operation means (34, 35) when the second installation mode is set. An air purifier that is not accepted. 9. The air purifying apparatus according to claim 7, wherein the operation means stops the wind direction regulating member when the first installation mode is set. An air purifying device, which can be operated so as to keep it. 10. The air purifying apparatus according to claim 9, wherein the first installation mode is set, and the operating means (3
The control means (40) stops the wind direction regulating member (31) at the stop position (P3, P4) according to the air flow when the wind direction regulating member (31) is operated to be stopped by (4, 35). An air purifying device characterized by being allowed to operate. 11. The air purifying apparatus according to claim 10, wherein the stop position (P3, P4) is such that the direction of the blown wind is relatively upward when the air flow is large, and the stop position (P3, P4) when the air flow is small. An air purifying device characterized in that the direction is relatively forward.