JP3755010B2 - Air purifier - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an air cleaning device. More specifically, the present invention relates to an air cleaning device for easily removing various unnecessary items in the air.
[0002]
[Prior art]
Conventionally, as an air purifier that cleans indoor air in homes, offices, factories, etc., air is passed through a filter made of synthetic fibers, etc., and airborne substances such as dust, cigarette smoke and oil are removed. There is known an air purifying apparatus.
[0003]
However, the air cleaning device having such a configuration (hereinafter referred to as a conventional device) can remove airborne suspended matters larger than the filter eyes, but effectively removes suspended matters smaller than the filter eyes. I can't do it. Moreover, there is a problem that gaseous harmful components cannot be removed at all.
[0004]
In general, the air cleaning device needs to perform maintenance for periodically cleaning or replacing the filter. However, in the conventional apparatus, it is difficult to prevent dust and the like from being scattered at the time of cleaning and replacement of the filter, so that maintenance is not so easy, and rather, it is usually rather complicated work.
[0005]
For this reason, it is conceived and implemented that the filter is accommodated in the cassette and is replaced with a cartridge type that replaces the filter. However, even in this case, it is difficult to completely prevent scattering of dust and the like, and there is a problem that the unit price of the filter becomes high and the cost increases.
[0006]
[Problems to be solved by the invention]
The present invention has been made in view of the problems of the prior art, and an object thereof is to provide an air cleaning device that is simplified in configuration, easy to maintain, and low in running cost.
[0007]
[Means for Solving the Problems]
The air purifying apparatus of the present invention comprises a storage case having a purification unit, a blowing means for sending target air into the storage case, a cleaning liquid circulation mechanism for circulating and supplying cleaning liquid to the purification unit, and harmful components in the air. A sensor to detect and a control device;
The storage case is a wide rectangular parallelepiped box.
Inside the storage case, a purifying unit in the form of a bar-like body is provided with an inclination so that the side on which the watering nozzle is provided is the back side and the width direction thereof is matched,
An air intake is disposed at a lower portion of the surface of the storage case facing the back surface of the purification unit;
An air delivery port is disposed at a position located on the surface side of the purification unit on the upper surface of the storage case,
The cleaning liquid storage section is arranged to be opened at a position located on the surface side of the purification unit on the bottom surface of the storage case .
[0008]
In the air purification apparatus of this invention, it is preferable to provide the washing | cleaning liquid exchange mechanism.
[0009]
Moreover, in the air cleaning apparatus of this invention, it is preferable that the sterilant is mixed in the washing | cleaning liquid.
[0010]
Furthermore, in the air purification apparatus of the present invention, it is preferable that a draining sheet is disposed at the air outlet of the storage case. In that case, it is more preferable that the draining sheet contains a substance that generates negative ions.
[0011]
Further, in the air cleaning device of the present invention, the watering nozzle may be disposed only at the upper end of the uppermost slat.
[0012]
[Action]
Since the air cleaning device of the present invention is configured as described above, it is possible to reliably remove harmful components in the air despite the simplified configuration and easy maintenance.
[0013]
Further, since the air cleaning device of the present invention is configured as described above, it is not necessary to replace a filter or the like, and the running cost is reduced.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, although the present invention is explained based on an embodiment, referring to an accompanying drawing, the present invention is not limited only to this embodiment.
[0015]
Embodiment 1
FIG. 1 schematically shows an air cleaning apparatus (hereinafter simply referred to as an apparatus) according to Embodiment 1 of the present invention.
[0016]
Device A removes harmful and unnecessary particulate suspended matters such as dust in the air, cigarette smoke and fat, various dusts and pollen that induce allergies, as well as toxic components and building materials in tobacco smoke It is a device that cleans and cleans the air to remove harmful components such as formaldehyde released from the air.
[0017]
Specifically, the apparatus A stores a purification unit 10 that forms and purifies a water curtain F of a cleaning liquid (water or a mixed liquid obtained by mixing a sterilizing agent, a fragrance, or the like with water), and the purification unit 10. The storage case 20, the blower (air blowing means) 30 that sends indoor air (hereinafter referred to as target air) to be cleaned into the storage case 20, and the cleaning liquid after the air cleaning is collected and used as the water curtain F again. A cleaning liquid circulation mechanism 40 that circulates in the air, a cleaning liquid replacement mechanism 50 that replaces the cleaning liquid that has been cleaned by cleaning the target air with a new cleaning liquid by gradually discarding it, and harmful substances and harmful components (hereinafter referred to as harmful components). A sensor 60 that detects the amount (concentration) of indoor air in a general name) and a control device 70 that controls switching between starting and stopping of the blower 30 according to the detection result of the sensor 60. It becomes a by.
[0018]
As shown in FIG. 1, the purification unit 10 has a rectangular frame 11 having a predetermined size and a predetermined number of blades 12 (seven in the illustrated example) arranged at predetermined intervals. In the upper end of each slat 12, a watering nozzle 13 for spraying the cleaning liquid is provided in the width direction with an injection hole (not clearly shown) facing downward.
[0019]
The storage case 20 is a wide rectangular box whose width is adjusted so that the purification unit 10 can be stored. As shown in FIG. 1, the side on which the purification unit 10 is provided with the watering nozzle 13 is the back side. In this way, a slight inclination is provided so that the width directions thereof coincide with each other. An air intake 21 for taking in room air from the blower 30 is provided at a lower portion of the surface of the storage case 20 facing the back surface of the purification unit 10, while being positioned on the surface side of the purification unit 10 on the upper surface of the storage case 20. An air delivery port 22 for sending out the cleaned air (purified air) is provided at the location where the cleaning is performed. That is, the back side where the watering nozzle 13 of the purification unit 10 is provided is the air entry side.
[0020]
Here, immediately before the opening of the air outlet 22, a draining sheet 23 made of, for example, a nonwoven fabric for separating droplets (mist) in the air sent from the air outlet 22 is provided. Further, the draining sheet 23 may contain a substance that releases negative ions, such as Bincho charcoal.
[0021]
A cleaning liquid reservoir (hereinafter simply referred to as a reservoir) 24 is provided on the bottom surface of the storage case 20 with an opening positioned on the surface side of the purification unit 10.
[0022]
The blower 30 is a fan, for example, and sends the target air into the storage case 20 through the air intake 21. The target air sent into the storage case 20 passes through the purification unit 10 due to the blowing air pressure of the blower 30 and is sent to the air outlet 22. Here, the blower 30 is preferably disposed above the air intake 21 so that the cleaning liquid is not submerged.
[0023]
The cleaning liquid circulation mechanism 40 includes the storage section 24 described above, a cleaning liquid supply pipe (hereinafter referred to as a supply pipe) 41 that supplies the cleaning liquid stored in the storage section 24, and a circulation pump that is interposed in the supply pipe 41. (Cleaning liquid circulation means) 42, and a connection pipe 43 that connects the supply pipe 41 and the watering nozzle 13 described above.
[0024]
The cleaning liquid replacement mechanism 50 includes a liquid level detector 51 that detects a liquid level in the storage unit 24, for example, a float, and a liquid level detected by the liquid level detector 51 is a predetermined liquid level (hereinafter referred to as a water injection reference liquid). Water leveling device 52 for adding water so that a new cleaning liquid (water) is added when the liquid level falls below the liquid level, and the liquid level in the reservoir 24 exceeds a predetermined liquid level (hereinafter referred to as a drainage reference liquid level). It is comprised from the drainage apparatus 53 which drains a washing | cleaning liquid so that it may sometimes overflow. Here, the drainage reference liquid level is higher than the water injection reference liquid level.
[0025]
The sensor 60 is, for example, a ceramic gas sensor adapted to detect harmful components. The sensor 60 is installed at an appropriate place in the room, for example, near the ceiling.
[0026]
The control device 70 controls the start / stop of the motor 31 of the blower 30 and the motor 42a of the circulation pump 42 based on the detection signal of the sensor 60. For example, when the amount of harmful components in the indoor air is greater than or equal to a predetermined value, the motor 31 of the blower 30 and the motor 42a of the circulation pump 42 are activated, and when the amount of harmful components in the indoor air is less than or equal to a predetermined value. Then, the motor 31 of the blower 30 and the motor 42a of the circulation pump 42 are stopped.
[0027]
Next, purification of room air by the apparatus A having such a configuration will be described.
[0028]
(1) When the harmful component in the indoor air from the sensor 60 is detected to be a predetermined value or more, the control device 70 starts the circulation pump 42 based on the detection signal, and after a predetermined time has elapsed, for example, 10 The blower 30 is activated after a second. As a result, the cleaning liquid is sprayed from the watering nozzle 13 of the purification unit 10, and the sprayed cleaning liquid falls from the lower end of the slat 12 to form the water curtain F and the storage case in which the water curtain F is formed. Air blowing into 20 is started.
[0029]
(2) The target air blown into the storage case 20 passes through the purification unit 10 from the back side to the front side and is sent to the air outlet 22. At that time, the target air is cleaned by the water curtain F formed on the surface side to be purified air.
[0030]
(3) The purified air sent to the air outlet 22 is supplied to the room after the accompanying mist is removed by the draining sheet 23 disposed at the air outlet 22.
[0031]
(4) When the water level of the storage unit 24 falls below the reference water injection level, a predetermined amount of new cleaning liquid is injected by the water injection device 52, and the water level of the storage unit 24 returns to the reference water injection level or higher.
[0032]
(5) When the water level of the storage unit 24 exceeds the drainage reference water level, the cleaning liquid in the upper layer in the storage unit 24 overflows from the drainage device 53 and the water level returns to the drainage reference water level.
[0033]
(6) When the harmful component in the indoor air from the sensor 60 is detected to be equal to or less than the predetermined value, the control device 70 stops the blower 30 based on the detection signal, and for example, 10 seconds after the predetermined time has elapsed. Later, the circulation pump 42 is stopped. Thereby, the ventilation into the storage case 20 is stopped, and the formation of the water curtain F by the purification unit 10 is also stopped.
[0034]
As described above, according to the first embodiment, the water curtain made of the cleaning liquid is formed on the front surface side (air outlet side) of the purifying unit 10 that is rugged, and the target air passes from the back surface side to the front surface side of the purification unit 10. Thus, since the target air is washed, harmful or unnecessary suspended matters and components in the air can be reliably removed regardless of the size of the particles, thereby purifying the room air. Further, since the apparatus A has the above-described configuration, the maintenance is facilitated and the apparatus A can be easily downsized. For example, the apparatus A can be applied as an air cleaner for general households.
[0035]
Embodiment 2
FIG. 2 schematically shows an air cleaning apparatus (hereinafter simply referred to as an apparatus) according to Embodiment 2 of the present invention. Since the device A1 according to the second embodiment is obtained by modifying the device A according to the first embodiment, only the modified portion will be described.
[0036]
As shown in FIG. 2, the apparatus A <b> 1 is configured such that the watering nozzle 13 in the purification unit 10 is disposed only at the upper end of the uppermost slat 12, and the water supply nozzle 41 is directly connected to the watering nozzle 13. It is said. The cleaning liquid sprayed from the watering nozzle 13 falls from the lower end of the uppermost slat 12 to the lower slat 12 while forming a water curtain F. The cleaning liquid dropped on the lower slat 12 falls on the slat 12 below the water curtain F in the same manner. In this way, the cleaning liquid sprayed from the watering nozzle 13 reaches the lowermost slat 12 and returns to the storage unit 24 while becoming the water curtain F.
[0037]
Thus, according to the second embodiment, the indoor air can be purified in the same manner as the first embodiment while simplifying the configuration.
[0038]
As described above, the present invention has been described based on the embodiments. However, the application of the present invention is not limited to ordinary households. For example, underground parking lots, tunnels and other facilities that are difficult to ventilate, semiconductor manufacturing facilities, and various types. Installed in facilities requiring high air cleanliness such as precision factories, facilities with high air pollution such as private houses and pachinko parlors along main roads, and facilities where clean air is desired such as hospitals, museums, and schools As an air cleaning device, it can be applied to clean the air inside these facilities, and when cleaning the air sent to various facilities, for example, in the air intake part of the air conditioning equipment of an office building, It is also possible to apply when purifying the air sent into the interior.
[0039]
Also, when purifying air released from a specific facility to the outside, for example, when purifying exhaust gas released into the atmosphere at the final stage of exhaust gas purification treatment at a waste incineration facility Is also possible.
[0040]
【The invention's effect】
As described above in detail, according to the present invention, it is possible to reliably remove harmful components in the air while simplifying the configuration of the air cleaning device and facilitating maintenance. In addition, according to the present invention, since there is no need to replace a filter or the like, an excellent effect that the running cost is reduced can be obtained.
[0041]
Moreover, according to the preferable form of the present invention in which the sterilizing agent is mixed in the cleaning liquid, an excellent effect that germs in the room air are also removed can be obtained.
[Brief description of the drawings]
FIG. 1 is a schematic view of an air cleaning device according to Embodiment 1 of the present invention.
FIG. 2 is a schematic view of an air cleaning device according to a second embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Purification unit 11 Rectangular frame 12 Wing board 13 Sprinkling nozzle 20 Storage case 21 Air inlet 22 Air outlet 23 Draining sheet 24 Storage part 30 Blower 31 Motor 40 Cleaning liquid circulation mechanism 41 Supply piping 42 Circulation pump 43 Connection pipe 50 Cleaning liquid replacement mechanism 51 Water level detector 52 Water injection device 53 Drainage device 60 Sensor 70 Control device A Air cleaning device F Water curtain

Claims (6)

A storage case having a purification unit, a blowing means for sending target air into the storage case, a cleaning liquid circulation mechanism for circulating and supplying cleaning liquid to the purification unit, a sensor for detecting harmful components in the air, and a control device Prepared,
The storage case is a wide rectangular parallelepiped box.
Inside the storage case, a purifying unit in the form of a bar-like body is provided with an inclination so that the side on which the watering nozzle is provided is the back side and the width direction thereof is matched,
An air intake is disposed at a lower portion of the surface of the storage case facing the back surface of the purification unit;
An air delivery port is disposed at a position located on the surface side of the purification unit on the upper surface of the storage case,
The air cleaning apparatus , wherein the cleaning liquid storage section is opened at a position located on the surface side of the purification unit on the bottom surface of the storage case .   The air cleaning apparatus according to claim 1, further comprising a cleaning liquid exchange mechanism.   The air cleaning apparatus according to claim 1, wherein a sterilizing agent is mixed in the cleaning liquid.   2. The air cleaning device according to claim 1, wherein a water draining sheet is disposed at the air outlet.   The air cleaning apparatus according to claim 1, wherein the draining sheet contains a substance that generates negative ions.   The air cleaning apparatus according to claim 1, wherein the watering nozzle is disposed only at the upper end of the uppermost slat.

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