JP2011251149A - Air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air cleaner capable of effectively cleaning air due to various air cleaning effects with a liquid drug as well as air cleaning effect with ozone.SOLUTION: The air cleaner 1 to clean air using ozone includes an inlet 4 to introduce air thereinto, an outlet 5 to discharge the air, an air flow channel F running from the inlet 4 to the outlet 5, which is formed in a case body 2 of the air cleaner 1, an ozone tube 8 to generate ozone, and a spray nozzle 12 provided in a direction (indicated by an arrow R) crossing a discharging direction (indicated by an arrow F1) of the outlet 5 so that the liquid drug L could spout. Utilizing an airflow in the discharging direction (indicated by an arrow F1) of the outlet 5 and spraying the liquid drug L spurted from the spray nozzle 12 evenly and extensively as it remains atomized allow the liquid drug L to be effectively diffused for the various air cleaning with the liquid drug L.

Description

  The present invention relates to an air purifier that purifies air.

  2. Description of the Related Art Conventionally, an air cleaner that artificially generates ozone and deodorizes and sterilizes air by the action of ozone to clean the air is known. Such an air purifier is provided with an ozone generating means in an apparatus main body having an intake portion and an exhaust portion. Air is sucked from the intake portion by an intake fan and air is generated by the action of ozone generated by the ozone generating means. Is deodorized and sterilized, and the air purified thereby is blown out from the exhaust section (see, for example, Patent Document 1).

JP 2002-24206 A

  However, the sterilization / deodorization effect using only ozone as in the air purifier of Patent Document 1 is not satisfactory for the various air purification effects that the user should have desired.

  In addition, when this type of air purifier is installed indoors, it is desired to have a low driving sound.

  Then, an object of this invention is to provide the air cleaner which can perform an effective air cleaning by the various air cleaning effect by a liquid agent in addition to the air cleaning effect by ozone.

  The present invention according to claim 1 is an air purifier for purifying air, wherein an intake part for taking in the air, an exhaust part for exhausting the air, and a main body of the air cleaner from the intake part to the exhaust part The air flow path formed inside, a liquid agent tank provided so as to be able to store the liquid agent, and a liquid agent supply part provided so as to be able to spray the liquid agent, and from the liquid agent supply part by an ultrasonic vibrator The liquid agent is sprayed, the spray direction of the liquid agent supply unit is provided obliquely upward, and the mist-like liquid agent sprayed from the liquid agent supply unit is sprayed on the flow of air exhausted from the exhaust unit It is characterized by that.

  The present invention according to claim 2 includes sterilizing means for sterilizing the air.

  The present invention according to claim 3 is characterized in that the sterilizing means is ozone generating means for generating ozone.

  The present invention according to claim 4 is characterized in that the sterilizing means is an ultraviolet germicidal lamp.

  The present invention according to claim 5 is characterized in that the liquid agent is a deodorant liquid.

  According to the invention of claim 1, by using the flow of air in the exhaust direction of the exhaust part, it becomes possible to perform effective liquid agent spraying by spraying the liquid agent uniformly over a wide range in a mist state, Various air cleaning by liquid agent can be performed.

  According to the first aspect of the present invention, the liquid agent can be atomized and ejected by the ultrasonic vibrator.

  According to invention of Claim 2, air can be sterilized by a sterilization means.

  According to the invention of claim 3, air can be sterilized by ozone.

  According to the invention of claim 4, air can be sterilized by ultraviolet rays.

  According to the first aspect of the present invention, the liquid agent ejected from the liquid agent supply section can be sprayed farther, and the liquid agent can be dispersed over a wide range.

  According to the fifth aspect of the present invention, the air cleaning effect by ozone can be further improved by deodorizing the air with the deodorizing liquid.

It is an approximate line sectional view showing the side section configuration of the air cleaner by the reference example of the present invention. It is a rough-line front view which shows the state which opened the opening part in an air cleaner same as the above. It is a block diagram which shows the flow of the air of an air cleaner same as the above. It is an approximate line sectional view showing the side section configuration of the air cleaner by Example 1 of the present invention. It is a rough-line front view which shows the state which opened the opening part in an air cleaner same as the above. It is a block diagram which shows the flow of the air of an air cleaner same as the above. It is a rough-line sectional drawing which shows the side cross-section structure of the air cleaner by Example 2 of this invention. It is a rough-line sectional drawing which shows the side cross-section structure of the air cleaner by Example 3 of this invention. It is a block diagram which shows the flow of the air of the air cleaner by Example 4 of this invention.

  Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention.

Reference example 1
1 and 2, reference numeral 1 denotes an air cleaner according to the present embodiment as a whole. The air cleaner 1 has a case body 2 formed in a box shape as a whole, and a lower surface portion of the case body 2. By attaching the detachable installation part 3 to the case, for example, the case body 2 can be installed in a standing state on a floor surface (not shown). Incidentally, the case main body 2 can be installed in a state where it is hung on the wall by attaching a detachable attachment blanket (not shown) to the back portion of the case main body 2 instead of the installation portion 3. .

  Here, an air inlet 4 is formed in the lower part of the front portion of the case body 2 along the longitudinal direction, and air can be sucked into the case body 2 from the air inlet 4.

  Further, an exhaust port 5 is formed in the upper part of the front portion of the case body 2 along the longitudinal direction so that air sucked into the case body 2 can be exhausted from the exhaust port 5.

  Here, in the case body 2, a pre-filter 6, a HEPA (High Efficiency Particulate Air) filter 7, an ozone tube 8 that is a sterilization means, and a blower fan 9 are arranged in this order from the intake port 4 to the exhaust port 5. .

  Here, both the pre-filter 6 and the HEPA filter 7 are detachably provided on the main body case 2, and the pre-filter 6 collects relatively large dust (dust up to about 50 μm), and HEPA. The filter 7 can remove about 99.7% or more of dust of about 0.3 μm or more contained in the air.

  Above the HEPA filter 7, a straight ozone tube 8 is detachably attached to the main body case 2 in a horizontal state.

  Here, the ozone tube 8 is sealed so that electrode coils are opposed to both ends of a transparent glass tube, and an AC voltage is applied by energizing both electrode coils, thereby irradiating ultraviolet rays. Ozone in the air can be absorbed in the case body 2 to generate ozone.

  The blower fan 9 is disposed in the vicinity of the exhaust port 5 on the upper portion of the case body 2, and the blower fan 9 is rotated by a fan motor (not shown) to suck air from the lower intake port 4. The air flow that can be discharged from the exhaust port 5 of the case body 2 after passing the pre-filter 6 and the HEPA filter 7 in this order and guiding the air to the central part inside the case body 2 provided with the ozone pipe 8 F is formed.

  Between the HEPA filter 7 and the ozone pipe 8 in the central part inside the case body 2, a liquid agent tank 10 provided to store the liquid agent L is disposed, and the upper opening portion of the liquid agent tank 10 is closed. The lid body 11 includes a first tube 13 that connects the liquid agent tank 10 and the spray nozzle 12, and a second tube 15 that connects the liquid agent tank 10 and the compressor 14. Here, a deodorizing liquid such as a sterilizing liquid, chlorine dioxide, and a fragrance is stored as a liquid L in the liquid tank 10.

  Here, the spray nozzle 12 is disposed below the installation position of the exhaust port 5 on the front side wall surface of the case main body 2 so as to be able to eject approximately 45 degrees upward, and can be exhausted in a substantially horizontal direction. The liquid L can be ejected in a direction (arrow R in the figure) intersecting the exhaust direction (arrow F1 in the figure) of the exhaust port 5 provided.

  Further, the compressor 14 is disposed in the front side internal space 2A of the case body 2 in which the air flow path F is formed, in the back side internal space 2C provided through the inner wall 2B. The second tube 15 is inserted through the inner wall 2B.

  Here, in this reference example, the liquid L in the liquid agent tank 10 is discharged from the spray nozzle 12 via the first tube 13 by compressed air supplied from the compressor 14 via the second tube 15 into the liquid agent tank 10. A liquid spraying device 16 is provided so as to be sprayable.

  Further, the exhaust port 5 includes a wind direction plate 17 formed by inclining a plurality of plate members arranged in parallel in the vertical direction by an inclination angle θ, and with respect to the inclination angle θ of the wind direction plate 17, The spray angle α of the spray nozzle 12 is set large. That is, irrespective of the inclination angle θ of the wind direction plate 17, the spray direction of the spray nozzle 12 (arrow R) and the exhaust direction of the exhaust port 5 (arrow F1) are provided so as to be able to intersect.

  Further, the front side wall surface of the case body 2 is formed so as to communicate with the inside and outside of the case body 2, and the prefilter 6, the HEPA filter 7, the ozone pipe 8, and the liquid agent tank 10 housed in the case body 2 are provided in the case body 2. A work opening 18 having a rectangular shape in front view that is visible from the outside is disposed, and the work opening 18 is provided so as to be freely closed by a lid (not shown).

  Further, on the front side of the case body 2, there is an operation button for setting the air volume, a time setting button for stopping the operation after a predetermined time has passed, a control switch having a power switch and the like (both not shown) The control switch unit 19 is electrically connected to a control board 20 which is a control means having a CPU (Central Processing Unit) (not shown) for comprehensively controlling the air purifier 1 provided inside the case body 2. It is connected to the.

  The operation of the air cleaner 1 will be described. When the operator operates the control switch unit 19 to activate the air purifier 1, electric power is supplied to the ozone pipe 8, ozone is generated inside the case body 2, and the blower fan 9 and the compressor 14 are activated. Here, along with the operation of the blower fan 9, outside air is taken into the case body 2 from the intake port 4, and the air taken into the case body 2 is prefilter 6, HEPA filter 7, ozone tube 8, blower. A flow path F is formed in which the fan 9 is circulated in order and exhausted from the exhaust port 5 to the outside of the case body 2.

  Here, the air flowing in the flow path F is generated by the ozone tube 8 when dust contained in the air flowing when passing through the prefilter 6 and the HEPA filter 7 is captured and then passed through the ozone tube 8. The circulated air is sterilized and deodorized by the ozone, and the air purified by the prefilter 6, the HEPA filter 7 and the ozone pipe 8 is exhausted from the exhaust port 5.

  Here, the spraying direction (arrow R) of the spray nozzle 12 and the exhausting direction (arrow F1) of the exhaust port 5 are provided so as to intersect with each other. 12 is mixed, and the mist-like liquid L is sprayed on the flow of air from the exhaust port 5 in the exhaust direction (arrow F1). In this case, the liquid L ejected from the spray nozzle 12 is diffused in the air to form a mist having poor directivity with respect to the ejection direction (arrow R), but the exhaust direction of the exhaust port 5 (arrow F1). ), The effective dispersion of the liquid L can be performed by spraying the liquid L evenly over a wide area in the form of a mist, and effective deodorization over a wide area. be able to.

  Furthermore, by setting the spraying direction (arrow R) of the spray nozzle 12 to be approximately 45 degrees upward, it becomes possible to spray the liquid agent L ejected from the spray nozzle 12 further, and the liquid agent L can be spread over a wide range. It becomes possible to disperse and effective deodorization over a wide range can be performed.

  Here, the deodorizing effect of the air by the liquid agent L is different depending on the type of the liquid agent L stored in the liquid agent tank 10, and when the liquid agent L is used as an air freshener, the air deodorizing effect is reduced by the aroma action. When the sterilizing liquid is used, the air is deodorized by its sterilizing action. In particular, when the liquid L is chlorine dioxide, the synergistic effect with ozone generated from the ozone tube 8 causes chlorine dioxide and Deodorizing, deodorizing and sterilizing air can be performed more stably by utilizing the deodorizing, deodorizing and sterilizing actions of ozone.

  As described above, in this reference example, in the air purifier 1 that cleans air using ozone, the intake port 4 as an intake unit that takes in air, the exhaust port 5 as an exhaust unit that exhausts air, and the intake air An air flow path F formed inside the case body 2 as the main body of the air purifier 1 from the port 4 to the exhaust port 5, an ozone pipe 8 as a sterilizing unit as an ozone generating unit for generating ozone, and an exhaust port 5 is provided with a spray nozzle 12 as a liquid supply section provided so that the liquid L can be ejected in a direction (arrow R) crossing the exhaust direction 5 (arrow F1).

  In this case, by using the air flow in the exhaust direction (arrow F1) of the exhaust port 5, the liquid agent L ejected from the spray nozzle 12 is sprayed uniformly over a wide range in the form of a mist. Can be sprayed, and various air cleansing with the liquid L can be performed.

  Further, in this reference example, the spraying direction (arrow R) of the spray nozzle 12 is provided obliquely upward, so that the liquid L ejected from the spray nozzle 12 can be sprayed farther, and the liquid is spread over a wide range. L can be dispersed.

  Furthermore, in this reference example, the air cleaning effect by ozone can be further improved by deodorizing the air with the deodorizing liquid.

  As described above, in this reference example, in the air purifier 1 for purifying air, the intake port 4 serving as an intake unit for taking in the air, the exhaust port 5 serving as an exhaust unit for exhausting the air, and the exhaust port 4 to the exhaust port 5 is a spray nozzle which is a liquid agent supply section provided so that the liquid agent L can be ejected in a direction intersecting the exhaust direction of the exhaust port 5 and the air flow path F formed inside the cake body 2 which is the main body of the air purifier 1 12, by using the air flow in the exhaust direction of the exhaust port 5, the liquid agent L can be sprayed evenly over a wide area in the form of a mist. Various air cleaning by L can be performed.

  In this way, in this reference example, since the liquid agent L is sprayed from the spray nozzle 12 which is the liquid agent supply unit by the compressor 14, the liquid agent L can be pumped by the compressor 14 and the liquid agent L can be ejected.

  In addition, in this reference example, the ozone pipe 8 serving as a sterilization means is provided in this way, so that the air can be sterilized by the ozone pipe 8.

  In addition, as an effect on the embodiment, by making the liquid L as chlorine dioxide, by utilizing a synergistic effect with ozone generated from the ozone tube 8, utilizing the deodorizing / deodorizing / sterilizing action of chlorine dioxide and ozone, It becomes possible to deodorize / deodorize / sterilize air more stably.

  Further, the lid 11 is provided in the medicine tank 10 to be in a sealed state, and the compressor 14 is driven to pressurize the inside of the liquid agent tank 10, whereby the liquid agent L is pumped to the first tube, whereby the liquid agent is supplied from the spray nozzle 12. L can be sprayed. Furthermore, since the outlet of the spray nozzle 12 is provided outside the case body 2, the spray of the liquid agent L does not enter the case body 2. Further, the upper surface portion 5A and the lower surface portion 5B of the exhaust port 5 are substantially parallel and obliquely upward, and the inclination angle thereof is smaller than the inclination angle θ and is obliquely upward to the inclination angle θ of the wind direction plate 17. The spray angle 12 of the spray nozzle 12 is set to be larger, and the spray direction (arrow R) of the spray nozzle 12 is set to be upward at an angle of approximately 45 degrees or more, so that the air exiting from the exhaust port 5 becomes upward, and the liquid L is It can be efficiently sprayed over a wide area. The inclination angle θ is preferably about 3 to 15 degrees, and the injection angle α is preferably 40 to 50 degrees.

  3 to 5 show Embodiment 1 of the present invention, in which the same reference numerals are assigned to the same parts as in the above-described reference example, and detailed description thereof is omitted. In this example, an ultraviolet germicidal lamp 31 is provided as a sterilizing means instead of the ozone tube 8. Further, the liquid agent spraying device 16 </ b> A of this example uses an ultrasonic vibrator 32 instead of the compressor 14.

  The ultraviolet germicidal lamp 31 is a quartz lamp or the like, which is sealed so that the electrode coils are opposed to both ends of the quartz glass tube, and an AC voltage is applied by energizing both the electrode coils. Irradiate ultraviolet rays to sterilize and deodorize air.

  The liquid spraying device 16 </ b> A is provided with a receiving tank 33 in the case main body 2, and the receiving tank 33 is connected to the liquid tank 10 through a supply pipe 34, and the liquid L is supplied from the liquid tank 10. The ultrasonic transducer 32 is disposed at the bottom of the receiving tank 33, a receiving cylinder 35 is provided on the ultrasonic transducer 32, and a reduction portion that reduces toward the top is provided at the upper end of the receiving cylinder 35. 35A is provided, and the reduced portion 35A and the spray nozzle 12 are connected by a tube 36 having a diameter smaller than that of the receiving cylinder 35. A fan 37 that receives the liquid L and sends it to the cylinder 35 is provided in the receiving tank 33, and this fan 37 is rotationally driven by a driving mechanism (not shown).

  Then, under the control of the control board 20, the ultraviolet sterilization lamp 31 is irradiated to sterilize and deodorize the air. Also, under the control of the control board 20, the ultrasonic vibrator 32 is vibrated and the fan serving as the liquid feeding means When 37 is driven, the liquid L in the receiving cylinder 35 and the tube 36 vibrates, and the liquid L is atomized and sprayed from the spray nozzle 12.

  Thus, in the present embodiment, corresponding to claim 1, in the air purifier 1 for purifying the air, the intake port 4 as an intake portion for taking in air, the exhaust port 5 as an exhaust portion for exhausting air, An air flow path F formed inside the case body 2 which is the main body of the air purifier 1 from the air inlet 4 to the air outlet 5, a liquid tank 10 provided to store the liquid L, and the liquid L A spray nozzle 12 serving as a liquid agent supply section provided so as to be sprayable, the liquid agent L is sprayed from the spray nozzle 12 by an ultrasonic vibrator 32, the spray direction of the spray nozzle 12 is provided obliquely upward, and sprayed from the spray nozzle 12 Since the mist-like liquid agent L is configured to be sprayed on the air flow exhausted from the exhaust port 5, the liquid agent can be obtained by utilizing the air flow in the exhaust direction (arrow F <b> 1) of the exhaust port 5. L to fog While by evenly spraying over a wide range it is possible to perform effective watered, it is possible to perform a variety of air cleaning by liquid L in.

  In this way, in this embodiment, since the liquid agent L is sprayed from the spray nozzle 12 as the liquid agent supply unit by the ultrasonic vibrator 32 according to the first aspect, the liquid agent is atomized by the ultrasonic vibrator 32. It can be ejected, the driving means is simplified, and efficient spraying can be performed. In addition, by using the ultrasonic vibrator 32 in the liquid agent spraying device 16A, the air cleaner 1 can be clean.

  In this way, in this embodiment, the sterilizing means is the ultraviolet sterilizing lamp 31 corresponding to the fourth aspect, so that the air can be sterilized by the ultraviolet rays.

  FIG. 7 shows a third embodiment of the present invention. The same reference numerals are given to the same portions as those of the above-described embodiments, and detailed description thereof will be omitted. In this example, an ultraviolet germicidal lamp 31 is provided as a sterilizing means instead of the ozone tube 8 in the reference example.

  As described above, in this embodiment, the same actions and effects as those in the above-described reference example and embodiment are obtained, and the liquid agent L is sprayed from the spray nozzle 12 serving as the liquid agent supply unit by the compressor 14, and the sterilizing means is an ultraviolet germicidal lamp. Since it is 31, air can be sterilized and deodorized by ultraviolet rays.

  FIG. 8 shows a third embodiment of the present invention, in which the same reference numerals are given to the same portions as those in the reference example and the embodiment, and detailed description thereof is omitted. In this example, in the first embodiment, an ozone tube 8 is provided as a sterilizing means instead of the ultraviolet sterilizing lamp 31.

  As described above, in this embodiment, the same actions and effects as those of the above-described reference example and the embodiment are obtained, and the liquid agent L is sprayed from the spray nozzle 12 which is the liquid agent supply unit by the ultrasonic vibrator 32. Since it is the ozone tube 8, air can be sterilized and deodorized by ozone.

  FIG. 9 shows a fourth embodiment of the present invention, in which the same reference numerals are given to the same portions as those in the reference example and the embodiment, and detailed description thereof is omitted. In this example, the ozone tube 8 and the ultraviolet germicidal lamp 31 are not provided in the reference example and the example, but at least one of the liquid spraying devices 16 and 16A is provided.

  As described above, in this embodiment, the same operations and effects as those of the above-described reference example and embodiment are provided, and since at least one of the liquid spraying devices 16 and 16A is provided, the air is sterilized and deodorized by ozone or ultraviolet rays. Can do.

  In addition, this invention is not limited to a present Example, A various deformation | transformation is possible. For example, instead of the HEPA filter 7, a high-pressure electric dust collection unit capable of collecting dust by adsorbing dust of about 50 μm to 0.01 μm on a charging filter (not shown) may be used. The structure of the filter that performs dust is not limited to these. Furthermore, an ozone decomposition catalyst that instantaneously converts ozone into oxygen by decomposing ozone in the air may be disposed in the downstream portion of the ozone pipe 8 in the flow path F. The ozone generation means other than the ozone tube 8 may be, for example, a short wavelength ultraviolet irradiation method using a mercury lamp or a low temperature discharge method using a high voltage, but is not limited thereto. In addition, ozone may be generated by adjusting a voltage applied to the ultraviolet germicidal lamp, or ultraviolet light may be irradiated so that ozone is not generated or is small.

1 Air purifier 2 Case body (main body)
4 Intake port (intake part)
5 Exhaust port (exhaust part)
8 Ozone tube (sterilization means)
10 Liquid tank 12 Spray nozzle (Liquid supply part)
31 UV germicidal lamp (sterilization means)
32 Ultrasonic vibrator F Flow path F1 Exhaust direction L Liquid agent R Injection direction

Claims (5)

An air purifier for purifying air, wherein an air intake section for taking in the air, an exhaust section for exhausting the air, and a flow of the air formed inside the main body of the air purifier from the intake section to the exhaust section. A liquid agent tank provided so as to be able to store the liquid agent, and a liquid agent supply unit provided so that the liquid agent can be sprayed, and spraying the liquid agent from the liquid agent supply unit by an ultrasonic vibrator, the liquid agent supply unit The air purifier is configured such that the mist liquid sprayed from the liquid supply section is sprayed on the flow of air exhausted from the exhaust section. . The air purifier according to claim 1, further comprising a sterilizing means for sterilizing the air. The air purifier according to claim 2, wherein the sterilizing means is an ozone generating means for generating ozone. The air cleaner according to claim 2, wherein the sterilizing means is an ultraviolet germicidal lamp. The air cleaner according to any one of claims 1 to 4, wherein the liquid agent is a deodorant liquid.

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