WO2016024351A1 - 空気清浄機 - Google Patents
空気清浄機 Download PDFInfo
- Publication number
- WO2016024351A1 WO2016024351A1 PCT/JP2014/071410 JP2014071410W WO2016024351A1 WO 2016024351 A1 WO2016024351 A1 WO 2016024351A1 JP 2014071410 W JP2014071410 W JP 2014071410W WO 2016024351 A1 WO2016024351 A1 WO 2016024351A1
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- WIPO (PCT)
- Prior art keywords
- air
- outlet
- wind speed
- cleaner according
- wind
- Prior art date
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
Definitions
- the present invention relates to an air purifier having a function of purifying sucked air and blowing it out.
- an air conditioner as described in Patent Document 1 is known.
- the air conditioner includes a plurality of blowers, a plurality of air paths, and a damper for switching the air paths.
- the pressure loss of the flow path is reduced by switching the air flow path with a damper. Thereby, the noise at the time of ventilation can be reduced, ensuring air volume.
- the applicant has recognized the following documents including the above-mentioned documents as related to the present invention.
- the air flow path is switched by a damper.
- this configuration is applied to an air purifier, there is a problem that when the flow path is enlarged, the wind speed of the blown air is reduced and the speed of cleaning the air is reduced.
- the present invention has been made in order to solve the above-described problems, and can secure the amount of generated air while keeping the installation area small, form a fast air flow as necessary, and efficiently clean the air. It aims to provide a possible air purifier.
- An air purifier includes a casing having an air inlet and an air outlet, a plurality of air passages provided in the casing and opened at different positions in the air outlet, and an air inlet for indoor air.
- a plurality of blowers that suck in the air and blow the air to each air passage, and open to the peripheral wall portion of the air passage on the route from the air blower to the air outlet, and at least two of the air passages communicate with each other
- a plurality of wind direction adjustments that individually adjust the wind direction of the air that is blown out from each air passage through the air outlets to each outside, And a mechanism.
- the air flowing through the air passage can be caused to flow into the other air passage from the communication hole.
- the flow-path area of a blower outlet can be reduced largely and the wind speed of blowing air can be increased efficiently. Therefore, even when the installation area of the air purifier is reduced, the generated air volume can be secured, a fast air flow can be generated to increase the dust removal speed, and the air can be efficiently cleaned.
- Embodiment 1 of this invention It is a perspective view which shows the air cleaner by Embodiment 1 of this invention. It is a longitudinal cross-sectional view which shows the air cleaner in FIG. It is a principal part enlarged view in FIG. 1 which shows the operation state (a) and (b) of a movable louver and a baffle plate. It is a block diagram which shows the control system of the air cleaner by Embodiment 1 of this invention. In Embodiment 1 of this invention, it is a longitudinal cross-sectional view which shows an example of the execution form of wind speed increase control. It is a flowchart which shows an example of the wind speed increase control by Embodiment 1 of this invention. It is a flowchart which shows an example of the wind speed increase control by Embodiment 2 of this invention.
- FIG. 1 is a perspective view showing an air cleaner according to Embodiment 1 of the present invention.
- FIG. 2 is a longitudinal sectional view showing the air cleaner in FIG.
- the air cleaner of the present embodiment includes a casing 1, a pedestal 2, a suction port 3, an outlet 4, air passages 5A and 5B, communication holes 6, blowers 7A and 7B, and a cleaning device. 8, movable louvers 9 ⁇ / b> A and 9 ⁇ / b> B, a current plate 13, a rotation mechanism 15, a contamination detection device 20, a control device 23 (see FIG. 4 described later), and the like.
- positioning of the suction inlet 3 and the cleaning apparatus 8 show an example of the structure which can be implemented, and do not limit this invention.
- the casing 1 is formed of, for example, a vertically long tower-shaped case that is formed in a substantially rectangular square tube shape and extends in a direction perpendicular to the floor surface of the room. Moreover, the casing 1 is supported in the state which can be rotated in the horizontal direction by the base 2 installed in a floor surface.
- a partition wall 1 ⁇ / b> A, air passages 5 ⁇ / b> A and 5 ⁇ / b> B, blowers 7 ⁇ / b> A and 7 ⁇ / b> B, a cleaning device 8, a contamination detection device 20, a control device 23 and the like are accommodated.
- a portion of the side surface portion of the casing 1 that is disposed mainly facing the indoor space is referred to as a front portion, and a portion that faces the front portion is referred to as a rear portion.
- a direction in which the front surface portion and the rear surface portion face each other is denoted as a front-rear direction, and a direction orthogonal to the front-rear direction is denoted as a left-right direction.
- a suction port 3 for sucking indoor air is provided in the front portion of the casing 1.
- the suction port 3 is formed as a vertically long opening extending in the vertical direction, and opens to the casing 1 at a position at least in front of the fans 7A and 7B.
- the suction port 3 may be disposed on the rear surface portion, the left and right side surface portions, etc. of the casing 1.
- a substantially rectangular air outlet 4 that blows out air is provided on the upper surface of the casing 1.
- the blower outlet 4 includes a front blower outlet 4A that opens to the front side of the upper surface part, and a rear blower outlet 4B that opens to the rear side of the upper face part.
- the air blown out from the air outlet 4 (the air outlets 4A and 4B) may be referred to as “blow air”.
- the air passages 5A and 5B are formed as two ducts extending in the vertical direction.
- the air passages 5A and 5B are partitioned by a flat partition 1A extending in the vertical direction and the left-right direction.
- the partition 1A constitutes a peripheral wall portion of the air passages 5A and 5B.
- the air passages 5A and 5B have, for example, a flat rectangular cross-sectional shape elongated in the left-right direction, and are arranged side by side in the front-rear direction.
- the upper ends of the air passages 5A and 5B are opened at different positions in the air outlet 4 to form two air outlets 4A and 4B.
- the lower end of the air passage 5A is connected to the blower opening of the blower 7A.
- the lower end of the air passage 5B is connected to the blower opening of the blower 7B. That is, the air passages 5A and 5B extend in parallel toward the air outlets 4A and 4B with the blowers 7A and 7B as lower
- the partition wall 1A is formed with a communication hole 6 that allows the air passages 5A and 5B to communicate with each other.
- the communication hole 6 opens to the partition wall 1A on the path from the blowers 7A and 7B to the outlets 4A and 4B. More specifically, the communication hole 6 is preferably provided at a position as close as possible to the air outlets 4A and 4B in the extending direction of the air passages 5A and 5B, that is, at the upper end of the partition wall 1A. The function of the communication hole 6 will be described later.
- the blowers 7A and 7B are constituted by, for example, a centrifugal fan that blows out air in the radial direction, and are arranged in a state where the rotation shaft extends in the front-rear direction.
- the centrifugal fan include a sirocco fan and a turbo fan.
- the two blowers 7A and 7B are arranged so as to be shifted in the front-rear direction while being arranged in the vertical direction when viewed from the front.
- One blower 7A located on the upper side and the front side includes a fan 7C and a motor 7D connected to the rear side of the fan 7C.
- a blower port is provided on the outer peripheral side of the blower 7A, and this blower port is connected to the front air passage 5A.
- the other blower 7B located on the lower side and the rear side is configured in substantially the same manner as the blower 7A, but the motor 7D is connected to the front side of the fan 7C.
- the blower opening of the blower 7B is connected to the rear air passage 5B.
- the blowers 7A and 7B are configured to blow air sucked in the axial direction from the suction port 3 to the air passages 5A and 5B, respectively.
- a line flow fan may be adopted as the blowers 7A and 7B.
- the cleaning device 8 cleans the air sucked from the suction port 3 and constitutes the cleaning means of the present embodiment (see FIGS. 2 and 4).
- the cleaning device 8 has, for example, a vertically long outer shape extending in the vertical direction, and is provided between the suction port 3 and the fans 7A and 7B.
- cleaning means removing contaminants such as dust, smoke, pollen, viruses, molds, fungi, allergens, and odor molecules floating in the air. More specifically, the cleaning device 8 collects, inactivates, adsorbs and decomposes the contaminants.
- the cleaning device 8 is configured by a dust collection filter, a deodorizing filter, a voltage application device, or the like, or a combination thereof.
- the dust collection filter collects dust and the like, and the deodorization filter adsorbs odor components.
- the voltage application device removes and decomposes contaminants by applying a high voltage to the electrodes.
- FIG. 3 is an enlarged view of the main part in FIG. 1 showing the operating states (a) and (b) of the movable louver and the current plate.
- the movable louvers 9A and 9B individually adjust the air direction of the air blown from the outlets 4A and 4B for each of the air passages 5A and 5B. It is arranged one by one.
- the movable louvers 9A and 9B are formed of, for example, an elongated plate material, and extend in the left-right direction of the casing 1 in a state where they are arranged in the front-rear direction. As shown in FIG.
- the base end side of the movable louver 9A is attached to the rear end portion of the outlet 4A via the louver drive portion 10A.
- the base end side of the movable louver 9B is attached to the rear end portion of the outlet 4B via the louver driving unit 10B.
- the louver drive unit 10A swings the front movable louver 9A in the vertical direction, and includes a support shaft that supports the movable louver 9A so as to swing, and an actuator (not shown) that rotates the support shaft. ing.
- the louver drive unit 10B swings the rear movable louver 9B in the vertical direction, and is configured in the same manner as the louver drive unit 10A.
- the movable louver 9A and the louver driving unit 10A constitute a front wind direction adjusting mechanism
- the movable louver 9B and the louver driving unit 10B constitute a rear wind direction adjusting mechanism.
- the movable louvers 9A and 9B swing at the opening positions of the outlets 4A and 4B, and the air direction of the blown air swings in the vertical direction according to the swing angle.
- the movable louvers 9A and 9B change the area of the flow path through which the blown air flows according to the swing angle. Specifically, for example, when the movable louver 9A is swung downward, the air direction of the air blown from the outlet 4A is inclined forward. Moreover, since the air path 5A becomes narrow at the position of the outlet 4A and the flow passage area of the blown air decreases, the wind speed increases. On the other hand, when the movable louver 9A is swung upward, the wind direction changes upward.
- the movable louvers 9A and 9B are configured to be able to block the air passages 5A and 5B (air outlets 4A and 4B), respectively, as shown in an example in FIG.
- an opening variable mechanism 11 is provided at the front outlet 4A.
- the opening variable mechanism 11 changes the opening area of the outlet 4A in cooperation with the movable louver 9A.
- the opening variable mechanism 11 is disposed, for example, at a position facing the movable louver 9A in the front-rear direction, and is swung in the front-rear direction by the opening driving unit 12.
- the opening drive unit 12 has substantially the same configuration as the louver drive units 10A and 10B. In FIGS. 1 and 3, the opening variable mechanism 11 is not shown in order to clearly show the rectifying plate 13.
- the rectifying plate 13 changes the wind direction in the horizontal direction (left-right direction) while maintaining the elevation angle of the wind direction set by the movable louvers 9A and 9B.
- the current plate 13 is formed of, for example, a substantially triangular (fan-shaped) fin.
- the baffle plate 13 protrudes from the wind-receiving surface side of movable louver 9A, 9B, and multiple pieces are arrange
- the individual rectifying plates 13 swing in the left-right direction and change the direction of the blown air in the left-right direction according to the swing angle.
- the rectifying plate 13 is swung by, for example, a rectifying drive unit 14 (see FIG. 4) provided in each of the movable louvers 9A and 9B.
- the rectifying plate 13 and the rectifying drive unit 14 constitute a specific example of a rectifying mechanism.
- the opening variable mechanism 11 and the rectifying plate 13 may not be mounted.
- the rotation mechanism 15 is provided between the casing 1 and the pedestal 2 as shown in FIGS. 1 and 2, and rotates the casing 1 on the pedestal 2 at least in the horizontal direction.
- the rotation mechanism 15 can rotate the direction of the air outlet 4 together with the casing 1 in the horizontal direction.
- FIG. 4 is a configuration diagram showing a control system of the air cleaner according to the first embodiment of the present invention.
- the air purifier includes a sensor system including a contamination detection device 20 and an external detection device 21, an operation unit 22 for operating the air purifier, and a control device 23 for controlling the operating state of the air purifier. .
- the contamination detection device 20 detects the amount of contaminants in the air sucked from the suction port 3, and is arranged upstream of the cleaning device 8 in the air flow direction.
- the contamination detection apparatus 20 is configured by, for example, a dust sensor, a gas sensor, a wind speed sensor, or the like, or is configured by a composite sensor in which these sensors are combined.
- the dust sensor is composed of a semiconductor element, an optical element, and the like, and detects the concentration of dust, smoke, pollen, etc. in the air.
- the contamination detection device 20 air is blown out in a specific direction by an air cleaner, and the amount of contaminants in the air returning from this direction is detected, whereby the degree of air pollution in the specific direction is determined. Can be detected.
- the contamination detection apparatus 20 comprises the contaminant detection means of this Embodiment.
- the external detection device 21 detects the room information of the room where the air purifier is installed.
- the room information includes, for example, the presence / absence of a person in the room, the wall surface in the room, the obstacle, the distance to the person, and the like.
- the control device 23 can appropriately control the air volume, the wind speed, the wind direction, and the like of the blown air based on the room information.
- the control device 23 includes an arithmetic processing device, an input / output port, a storage circuit, and the like (not shown). As shown in FIG. 4, a sensor system including a contamination detection device 20 and an external detection device 21 is connected to the input side of the control device 23. Actuators including the blowers 7A and 7B, the cleaning device 8, the louver driving units 10A and 10B, the opening driving unit 12, the rectification driving unit 14, the rotation mechanism 15 and the like are connected to the output side of the control device 23. The control device 23 operates the air cleaner by controlling the actuator based on the output of the sensor system.
- the angle (elevation angle) of the blown air in the vertical direction is controlled according to the swing angle of the movable louvers 9A, 9B. Further, the angle (rotation angle) of the wind direction in the horizontal direction is controlled by the rotation mechanism 15 and the rectifying plate 13. Further, when the swing angle of the movable louvers 9A and 9B and the opening variable mechanism 11 is changed, the flow passage area of the blown air changes, and thereby the wind speed of the blown air is controlled. Further, the control device 23 changes the rotational speed of the blowers 7A and 7B to control the air volume of the blown air. In this way, the air purified by the air purifier is blown out from the outlets 4A and 4B toward each part in the room. The blown air circulates in the room and is then sucked into the suction port 3 together with the contaminants in the air. By repeating this circulation operation, indoor air is purified.
- FIG. 5 is a longitudinal sectional view showing an example of an execution form of the wind speed increase control in the first embodiment of the present invention.
- the wind speed increase control for example, the rear air passage 5B is closed by the movable louver 9B. Then, the wind direction of the air blown from the front outlet 4A is controlled by the movable louver 9A and the opening variable mechanism 11. As a result, the air flowing through the rear air passage 5B passes through the communication hole 6 and flows into the front air passage 5A.
- the target air blowing position is often in front of the air cleaner, it is preferable to block the rear air passage 5B and blow out air from the front air passage 5A in the wind speed increase control.
- the front air passage 5A may be closed or narrowed as necessary, and air may be blown out from the rear air passage 5B.
- the wind speed of the air blown out from the blower outlet 4B can be increased.
- the rear air passage 5B is closed or narrowed.
- the front air passage 5A is closed or narrowed. It is good also as a structure.
- the control device 23 increases the drive current supplied to, for example, the fans 7A and 7B, and keeps the rotation speed of the motor 7D constant. According to this control, even when the opening area of the air outlet 4 is narrowed by the wind speed increase control and the pressure loss is increased, a desired air volume can be stably secured.
- FIG. 6 is a flowchart showing an example of wind speed increase control according to the first embodiment of the present invention.
- step S100 when the power switch of the air cleaner is turned on, the control device 23 is activated.
- the control device 23 activates the fans 7A and 7B and the cleaning device 8. Thereby, the basic air cleaning operation described above is executed.
- step S101 the contamination detection device 20 detects the amount of contaminants in the air.
- step S102 it is determined whether or not the amount of contaminants is equal to or greater than a preset reference value.
- the reference value is set in correspondence with, for example, a contamination level that requires wind speed increase control, and is stored in the control device 23 in advance. If the determination in step S102 is not established, the pollution level is such that the wind speed increase control need not be executed, and the process waits while repeating the processes in steps S101 and S102.
- step S102 determines whether the determination in step S102 is established. If the determination in step S102 is established, the process proceeds to step S103, and wind speed increase control is executed. That is, in step S103, one of the wind paths (for example, the wind path 5B) is narrowed by the wind direction adjusting mechanism.
- step S104 the amount of contaminants in the air is detected as in step S101. For example, when the detected amount of the contaminant is within the allowable range, it is determined that the air cleaning has been once completed, and this routine is terminated.
- the processes in steps S102 to S104 are repeatedly executed until the detected amount falls within the allowable range.
- the wind speed increase control can be executed to increase the wind speed of the air blown from the air cleaner. Thereby, indoor air can be efficiently cleaned and contaminants in the air can be quickly removed.
- the present invention is not limited to this, and the flow path area of one of the air passages may be reduced as the detected amount of contaminants increases. Thereby, the wind speed of blowing air can be changed continuously or stepwise according to the quantity of contaminants. Therefore, it is possible to avoid excessively increasing the blowing wind speed and the indoor wind speed with respect to the contamination level.
- one air passage 5B can be closed or narrowed, and the air flow can be biased to the other air passage 5A by the communication hole 6.
- the flow path area of the air path 5B can be greatly reduced, and the wind speed can be increased efficiently. Therefore, even when the installation area of the air purifier is reduced, a fast air flow can be generated to increase the dust removal speed, and the air can be efficiently cleaned.
- the fans 7A and 7B are constituted by centrifugal fans, and are arranged shifted in the front-rear direction while being arranged in the vertical direction. And it is set as the structure which extends air path 5A, 5B in parallel with the perpendicular direction toward the upper blower outlets 4A, 4B from blower 7A, 7B. Thereby, the two air paths 5A and 5B can be formed inside the casing 1 while keeping the installation area of the air purifier as viewed from above small. Moreover, an air outlet is arrange
- a plurality of air passages 5A, 5B, blowers 7A, 7B and movable louvers 9A, 9B are provided, and a communication hole 6 is provided between the air passages 5A, 5B.
- FIG. 7 is a flowchart showing an example of wind speed increase control according to the second embodiment of the present invention. The routine shown in this figure is obtained by adding step S200 to the same processing as in the first embodiment (FIG. 6).
- step S200 an indoor search for the contamination level is executed using the rotation mechanism 15 and the contamination detection device 20.
- the contamination detection device 20 detects the contamination level in each direction while rotating the air direction of the blown air in the horizontal direction by the rotation mechanism 15. Then, for example, the direction with the highest contamination level is specified, and the processes of steps S101 to S104 are executed in the specified direction.
- the wind direction increase control can be executed in a desired direction such as a place (direction) where the air pollution level is the highest.
- a desired direction such as a place (direction) where the air pollution level is the highest.
- the air of the target place can be preferentially cleaned efficiently and the effect of the wind direction increase control can be exhibited more remarkably.
- the rotation angle of the wind direction can be adjusted with high accuracy and the directivity of the blown air can be enhanced.
- the desired direction described above is not limited to a place where the contamination level is the highest, and may be set as appropriate based on, for example, the position of a person in the room, the distribution state of the contamination level, and the like.
- FIG. 8 is a longitudinal sectional view showing an air cleaner according to Embodiment 3 of the present invention.
- the air cleaner of the present embodiment includes a communication hole 30 that allows the air passages 5A and 5B to communicate with each other.
- the communication hole 30 is provided at the lower end of the partition wall 1A on the path from the blowers 7A and 7B to the outlets 4A and 4B. In the present embodiment configured as described above, the same effect as in the first embodiment can be obtained.
- FIG. 9 is a longitudinal sectional view showing an air cleaner according to Embodiment 4 of the present invention.
- the air cleaner according to the present embodiment includes a slide-type movable mechanism 40.
- the movable mechanism 40 is driven by the control device 23, and is slidably provided on the partition wall 1A of the casing 1, for example. And the movable mechanism 40 changes the opening area of the communicating hole 6 by sliding to a perpendicular direction.
- the same effect as in the first embodiment can be obtained.
- the amount of air flowing into the air passage 5A from the air passage 5B through the communication hole 6 can be adjusted by the movable mechanism 40. Thereby, the wind speed of blowing air can be controlled more accurately.
- FIG. 10 is a longitudinal sectional view showing an air cleaner according to Embodiment 5 of the present invention.
- the air cleaner according to the present embodiment includes a swinging movable mechanism 50 formed in a plate shape, for example.
- the base end side of the movable mechanism 50 is swingably attached to the partition wall 1 ⁇ / b> A of the casing 1 at the lower end portion of the communication hole 6.
- the distal end side of the movable mechanism 50 is disposed inside the communication hole 6 and can swing in the front-rear direction.
- the movable mechanism 50 is driven by the control device 23 to swing in the front-rear direction, and is configured to change the air volume and direction of the air passing through the communication hole 6 according to the swing angle.
- the same effect as in the fourth embodiment can be obtained. That is, for example, at the time of executing the wind speed increase control for narrowing one of the air passages 5B, the amount and direction of the air flowing into the air passage 5A from the air passage 5B through the communication hole 6 can be adjusted by the movable mechanism 50. Thereby, the wind speed and direction of the blown air can be controlled with higher accuracy.
- FIG. 11 is a perspective view showing an air cleaner according to Embodiment 6 of the present invention.
- FIG. 12 is a longitudinal cross-sectional view which shows the state which fractured
- FIG. 13 is a longitudinal sectional view showing a state in which the air purifier in FIG. 11 is broken along a plane extending in the front-rear direction. 11 shows a state where the left outlet 62A is closed, and FIG. 12 shows a state where the outlets 62A and 62B on both sides are opened.
- the air cleaner of the present embodiment includes a casing 60, a suction port 61, an air outlet 62, air passages 63 ⁇ / b> A and 63 ⁇ / b> B, communication holes 64, blowers 65 ⁇ / b> A and 65 ⁇ / b> B, movable louvers 67 ⁇ / b> A, 67B, a current plate 68, and the like.
- the casing 60 is formed in a horizontally long, substantially rectangular shape that is elongated in the horizontal direction.
- a partition wall 60A, air passages 63A and 63B, blowers 65A and 65B, a cleaning device, a control device (not shown), and the like are accommodated inside the casing 60.
- a suction port 61 covered with a front panel 60 ⁇ / b> B is provided in the front portion of the casing 60.
- An air outlet 62 is provided on the upper surface of the casing 60.
- the air outlet 62 includes a left air outlet 62A that opens to the left portion of the upper surface portion, and a right air outlet 62B that opens to the right portion of the upper surface portion.
- the air paths 63A and 63B are arranged in the left-right direction and extend in the vertical direction.
- the air paths 63A and 63B are partitioned by a flat partition wall 60A.
- the upper ends of the air passages 63A and 63B are opened at different positions in the air outlet 62, and constitute two air outlets 62A and 62B.
- the lower ends of the air passages 63A and 63B are connected to the air outlets of the blowers 65A and 65B, respectively.
- the partition wall 60A is formed with a communication hole 64 that allows the air passages 63A and 63B to communicate with each other.
- the communication hole 64 opens to the partition wall 60A on the path from the blowers 65A and 65B to the outlets 62A and 62B.
- Blowers 65A and 65B are constituted by centrifugal fans and are arranged side by side in the left-right direction.
- a filter 66 is provided between the suction port 61 and the blowers 65A and 65B.
- One movable louver 67A, 67B is provided at each of the air outlets 62A, 62B, and is arranged side by side in the left-right direction.
- the rectifying plate 68 is provided on each of the movable louvers 67A and 67B.
- the movable louvers 67A and 67B and the rectifying plate 68 have the same configuration and function as in the first embodiment.
- substantially the same effect as that of the first embodiment can be obtained. That is, with a simple structure using the two air passages 63A and 63B and the communication hole 64, the wind speed increase control can be executed and the indoor air can be efficiently cleaned. Moreover, since the air paths 63A and 63B are arranged side by side in the horizontal direction, an air cleaner having a small installation area in the height direction can be realized.
- the air cleaner may be provided with three or more air passages and three or more blowers, and the communication hole may be configured to communicate at least two air passages with each other. Good.
- the communication hole may be configured to communicate at least two air passages with each other. Good.
- at least one of the air passages communicated by the communication hole may be blocked or narrowed.
- the casing 1 is rotated by the rotation mechanism 15.
- this invention is not restricted to this, It is good also as a structure which rotates only the blower outlet 4 with a rotation mechanism.
- the cleaning device 8 is exemplified as the cleaning means.
- the present invention is not limited to this, and any means having a function of cleaning air can be employed as the cleaning means. Therefore, the cleaning means of the present invention may be constituted by a filter or the like not equipped with a power source, or may be constituted by a dust collecting device or the like equipped with a power source.
Abstract
Description
尚、出願人は、本発明に関連するものとして、上記の文献を含めて、以下に記載する文献を認識している。
まず、図1から図6を参照して、本発明の実施の形態1について説明する。図1は、本発明の実施の形態1による空気清浄機を示す斜視図である。また、図2は、図1中の空気清浄機を示す縦断面図である。これらの図に示すように、本実施の形態の空気清浄機は、ケーシング1、台座2、吸込口3、吹出口4、風路5A,5B、連通孔6、送風機7A,7B、清浄化装置8、可動ルーバー9A,9B、整流板13、回転機構15、汚染検出装置20、制御装置23(後述の図4参照)等を備えている。なお、図1及び図2において、吸込口3及び清浄化装置8の形状、構成及び配置は、実施可能な構成の一例を示すもので、本発明を限定するものではない。
次に、空気清浄機の基本的な動作について説明する。空気清浄機の作動時には、制御装置23により送風機7A,7B及び清浄化装置8が起動される。これにより、室内の空気が吸込口3からケーシング1の内部に吸込まれ、この空気は清浄化装置8により清浄化される。そして、清浄化された空気は、2つの送風機7A,7Bを通過して風路5A,5Bにそれぞれ送風される。風路5A,5Bを流れる空気は、それぞれ吹出口4A,4Bに到達し、吹出口4A,4Bから外部に吹出す。このとき、制御装置23は、汚染検出装置20により空気中の汚染物質の量を検出し、外部検出装置21により室内情報を検出する。そして、これらの検出結果等に基いて、ルーバー駆動部10A,10B、開口駆動部12、整流駆動部14及び回転機構15を駆動する。
制御装置23は、吹出し空気の風速を増加させる必要がある場合に、風速増加制御を実行する。図5は、本発明の実施の形態1において、風速増加制御の実行形態の一例を示す縦断面図である。この図に示すように、風速増加制御では、例えば後側の風路5Bを可動ルーバー9Bにより閉塞する。そして、前側の吹出口4Aから吹出す空気の風向を、可動ルーバー9A及び開口可変機構11により制御する。これにより、後側の風路5Bを流れる空気は、連通孔6を通過して前側の風路5Aに流入する。即ち、2つの風路5A,5Bを流れる空気は、単一の吹出口4Aから吹出すようになるので、吹出し空気の流量に対して吹出口4の流路面積が減少する。従って、風速増加制御によれば、連通孔6を利用して吹出し空気の風速を効率よく増加させることができる。
次に、図7を参照して、本発明の実施の形態2について説明する。本実施の形態の特徴は、前記実施の形態1とほぼ同様の構成及び制御において、吹出口を水平方向に回転させて汚染レベルの高い場所に向けるようにしたことにある。図7は、本発明の実施の形態2による風速増加制御の一例を示すフローチャートである。この図に示すルーチンは、実施の形態1(図6)と同様の処理に対して、ステップS200を追加したものである。
次に、図8を参照して、本発明の実施の形態3について説明する。本実施の形態の特徴は、前記実施の形態1とほぼ同様の構成において、実施の形態1と異なる位置に連通孔を設けたことにある。図8は、本発明の実施の形態3による空気清浄機を示す縦断面図である。この図に示すように、本実施の形態の空気清浄機は、風路5A,5Bを相互に連通する連通孔30を備えている。しかし、連通孔30は、送風機7A,7Bから吹出口4A,4Bに至る経路上で、隔壁1Aの下端部に設けられている。このように構成される本実施の形態でも、実施の形態1と同様の効果を得ることができる。
次に、図9を参照して、本発明の実施の形態4について説明する。本実施の形態の特徴は、前記実施の形態1とほぼ同様の構成に加えて、連通孔を通過する空気の風量を変更可能な可動機構を設けたことにある。図9は、本発明の実施の形態4による空気清浄機を示す縦断面図である。この図に示すように、本実施の形態の空気清浄機は、スライド式の可動機構40を備えている。可動機構40は、制御装置23により駆動されるもので、例えばケーシング1の隔壁1Aにスライド可能に設けられている。そして、可動機構40は、鉛直方向にスライドすることにより、連通孔6の開口面積を変更するものである。
次に、図10を参照して、本発明の実施の形態5について説明する。本実施の形態の特徴は、前記実施の形態4の可動機構に代えて、揺動式の可動機構を設けたことにある。図10は、本発明の実施の形態5による空気清浄機を示す縦断面図である。この図に示すように、本実施の形態の空気清浄機は、例えば板状に形成された揺動式の可動機構50を備えている。
次に、図11から図13を参照して、本発明の実施の形態6について説明する。本実施の形態の特徴は、複数の送風機を水平方向に並べて配置したことにある。図11は、本発明の実施の形態6による空気清浄機を示す斜視図である。また、図12は、図11中の空気清浄機を左右方向に延びる平面で破断した状態を示す縦断面図である。図13は、図11中の空気清浄機を前後方向に延びる平面で破断した状態を示す縦断面図である。なお、図11は、左側の吹出口62Aを閉塞した状態を示し、図12は、両側の吹出口62A,62Bを開いた状態を示している。
Claims (12)
- 空気の吸込口及び吹出口を有するケーシングと、
前記ケーシングの内部に設けられ、前記吹出口内でそれぞれ異なる位置に開口した複数の風路と、
室内の空気を前記吸込口から吸込んで当該空気を前記各風路にそれぞれ送風する複数の送風機と、
前記送風機から前記吹出口に至る経路上で前記風路の周壁部に開口し、前記各風路のうち少なくとも2つの風路を相互に連通する連通孔と、
前記吸込口から吸込まれた空気を清浄化する清浄化手段と、
前記各風路から前記吹出口を介して外部に吹出す空気の風向を前記風路毎に個別に調整する複数の風向調整機構と、
を備えた空気清浄機。 - 前記風向調整機構を制御する制御装置を備え、
前記制御装置は、前記吹出口から吹出す空気の風速を増加させる必要がある場合に、前記各風路のうち少なくとも1つの風路を前記風向調整機構により閉塞または狭くする風速増加制御を実行する請求項1に記載の空気清浄機。 - 空気中の汚染物質を検出する汚染物質検出手段を備え、
前記風速増加制御では、前記少なくとも1つの風路の流路面積を、空気中の汚染物質の量が多いほど縮小する請求項2に記載の空気清浄機。 - 空気中の汚染物質を検出する汚染物質検出手段を備え、
前記風速増加制御では、空気中の汚染物質の量が予め設定された基準値を超えた場合に、前記少なくとも1つの風路を閉塞する請求項2または3に記載の空気清浄機。 - 空気中の汚染物質を検出する汚染物質検出手段と、
前記吹出口から吹出す空気の風向を水平方向に回転させる回転機構と、を備え、
前記風速増加制御では、空気中の汚染物質の量に基いて水平方向における空気の風向を設定し、当該風向において前記少なくとも1つの風路を閉塞または狭くする請求項2から4のうち何れか1項に記載の空気清浄機。 - 前記風速増加制御では、前記送風機の駆動力を増加させ、前記吹出口から吹出す空気の風量を一定に保持する請求項2から5のうち何れか1項に記載の空気清浄機。
- 前記複数の送風機は、前記ケーシングの内部で鉛直方向に並べて配置する構成とした請求項1から6のうち何れか1項に記載の空気清浄機。
- 前記吹出口は前記ケーシングの上面部に配置し、
前記複数の送風機は、空気を径方向に吹出す遠心ファンにより構成し、かつ、鉛直方向に並べた状態で前後方向にずらして配置し、
前記複数の風路は、前記各送風機から前記吹出口に向けて鉛直方向に並列に伸長させる構成とした請求項1から6のうち何れか1項に記載の空気清浄機。 - 前記複数の送風機は、前記ケーシングの内部で水平方向に並べて配置する構成とした請求項1から6のうち何れか1項に記載の空気清浄機。
- 前記連通孔を通過する空気の風量と風向のうち少なくとも一方を変更可能な可動機構を備えた請求項1から9のうち何れか1項に記載の空気清浄機。
- 前記風向調整機構は、前記風路の開口位置で揺動することにより揺動角に応じて空気の風向及び流路面積を変更する可動ルーバーを備え、
前記可動ルーバーは、前記風路を閉塞可能な構成とした請求項1から10のうち何れか1項に記載の空気清浄機。 - 前記風向調整機構は、空気の風向を水平方向において変更可能な整流機構を備えた請求項1から11のうち何れか1項に記載の空気清浄機。
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