JP2009041817A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of effectively sterilizing and deodorizing its inside. <P>SOLUTION: In this air conditioner provided with a cross flow fan 1 in an air passage connecting a suction port a and a supply port b, an ozone producing unit 3 producing ozone is disposed inside of the cross flow fan 1, and the cross flow fan 1 is rotated forward or backward. Thus the entire region in the machine can be effectively sterilized and deodorized in a short time by production of a small amount of ozone. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an air conditioner provided with a cross flow fan, and more particularly to a structure in which an ozone generation unit is provided inside a cross flow fan.

  As shown in FIG. 5, an electric dust collector having an indoor fan B and an ionizer is provided as a conventional air conditioner that provides an air conditioner that suppresses the propagation of fungi such as fungi inside an indoor unit. Opening and closing mechanisms F and G for closing the inlet D and the outlet E are provided in the inlet D and the outlet E of the indoor unit A having C, and when the inlet D and the outlet E are closed, the electric dust collector C Is provided with a control circuit portion H that operates to charge particles in the air with an ionizer so that the inside of the indoor unit A in a sealed state is deodorized and sterilized with ozone generated from the ionizer of the electrostatic precipitator C. Is known (for example, see Patent Document 1).

  In addition, by spreading the ozone from the ozone generator installed in the indoor unit, sterilization and sterilization of germs and fungi adhering to each internal device part to reduce the propagation of germs and fungi As shown in FIG. 6, the air conditioner includes a front opening B ′, a suction port of the upper suction port C ′, and an outlet D ′, and an indoor fan E ′ and an indoor heat exchanger F ′. And an ozone generator G ′ provided in the indoor unit A ′, an outlet D ′ portion, a front opening B ′, and an inlet portion of the upper inlet C ′. Is provided with a communication path H ′ that communicates with each other and a damper J that opens and closes the communication opening I of the communication path H ′ (see, for example, Patent Document 2).

However, in the configuration described in Patent Document 1 and Patent Document 2 described above, when ozone is sucked from the windward side of the indoor heat exchanger into the interior of the indoor unit (inside the apparatus), Most of them were adsorbed by the indoor heat exchanger, and there was a problem that the entire area including the crossflow fan and the air passage was not sufficiently distributed. This is because the indoor heat exchanger has a large surface area in contact with the sucked air, and is particularly wet during the cooling operation, so that the indoor heat exchanger adsorbs most of ozone.
JP-A-6-272888 JP 2002-286240 A

  Therefore, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an air conditioner that can effectively sterilize and deodorize the interior of the apparatus with a small amount of ozone.

  In order to achieve the above-described object, the present invention has the following features in order to ensure that most of ozone is not adsorbed by the indoor heat exchanger and is sufficiently distributed throughout the interior of the machine including the crossflow fan and the air passage. ing.

In an air conditioner in which a cross flow fan is provided in an air passage connecting the suction port and the air outlet,
An ozone generation unit for generating ozone is provided inside the cross flow fan.

  In addition, when ozone is released from the ozone generation unit, the cross flow fan is rotated forward or backward.

  ADVANTAGE OF THE INVENTION According to this invention, by providing an ozone production | generation unit in the inside of a crossflow fan, the air conditioner which enabled the inside of a machine to be sterilized and deodorized effectively with a small amount of ozone can be provided.

  Next, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is an explanatory view of an air conditioner according to the present invention, (A) is a perspective view, (B) is a sectional view, FIG. 2 is an explanatory view of a main part of the air conditioner according to the present invention, and (A) is FIG. 3B is a cross-sectional view showing the cross flow fan and the ozone generation unit provided therein, FIG. 3B is a cross-sectional view showing a state where the ozone generation unit is removed from the cross flow fan, and FIG. 4 is an enlarged cross-sectional view showing the ozone generation unit, FIG. 4 is an explanatory view of the ozone generation unit provided inside the cross flow fan, (A) is a perspective view, (B) is FIG. 4 (A) It is AA sectional drawing shown.

  As shown in FIG. 1 (A) and FIG. 1 (B), an air conditioner according to the present invention includes a suction port a for sucking room air, a vertical wind direction plate g and a diffuser h for deflecting the vertical wind direction. An air filter c, a heat exchanger d, and a cross flow fan 1 connected to the drive motor 2 are provided in an air passage connecting the air outlet b, and an ozone generation unit 3 made of an ionizer is installed inside the cross flow fan 1. It has a configuration provided.

  As shown in FIGS. 2 to 4, the ozone generation unit 3 is provided in a cylindrical unit case 4 extending in the longitudinal direction of the cross flow fan 1 having a plurality of unit case holes 4 a on the outer peripheral surface. The discharge electrode 5 extending in the longitudinal direction of the case 4 and a cylindrical counter electrode 6 having a plurality of counter electrode holes 6 a surrounding the discharge electrode 5 are provided.

  The discharge electrode 5 is electrically connected by a discharge electrode contact 7 shown in FIG. 4A provided at one end 3 a of the ozone generation unit 3. Further, since the counter electrode 6 cannot supply power to the other end 3b of the ozone generation unit 3 from the drive shaft 1d of the drive motor 2, a counter electrode contact is formed by passing a lead wire from the other end 3b to the ozone generation unit 3. 7 'is electrically connected.

  One end 3a of the ozone generation unit 3 has a structure also serving as the discharge electrode contact 7, and the other end 3b has a structure also serving as a counter electrode contact 7 '.

  As shown in FIGS. 4A and 4B, the unit case hole 4a and the counter electrode hole 6a are arranged on a virtual straight line connecting the unit case hole 4a and the discharge electrode 5. The positions are shifted from each other so that the holes 6a are not positioned.

  As a result, when the discharge electrode 5 is discharged as shown by an arrow h in FIG. 4B, it is possible to prevent discharge to the outside of the unit case 4 and to prevent dust from entering the inside. It can be prevented.

  With the above-described configuration, the air sucked from the suction port a is removed by passing dust contained therein through the air filter c, and heat exchange is performed by the heat exchanger d, and then the cross The flow fan 1 blows out from the outlet b to the air-conditioned room.

  Most of the dust in the air sucked from the suction port a and heat-exchanged by the heat exchanger d is removed by the air filter c, but fine dust that could not be removed by the air filter c. Some of them adhere to the heat exchanger d and the cross flow fan 1 as dirt, and there is a possibility that bacteria will propagate and cause a strange odor.

  In order to prevent the user in the air-conditioned room from feeling uncomfortable by sterilizing and deodorizing the inside of the air conditioner so that a strange odor does not leak outside the air conditioner, the cross The ozone generation unit 3 for generating ozone is provided inside the flow fan 1.

  The ozone generated by the ozone generating unit 3 cannot exist for a long time in the state of ozone, and gradually has the property of releasing one oxygen atom and returning it to oxygen. If there are harmful bacteria that oxidize and oxidize their cell membranes, the bacteria themselves are killed, so that the bacteria attached to the inside of the crossflow fan 1 are killed and no odor is generated. In addition, sterilization and deodorization of the air passage can be performed by ozone released from the inside of the cross flow fan 1.

  Hereinafter, a configuration in which the ozone generation unit 3 is provided inside the cross flow fan 1 will be described in detail with reference to the accompanying drawings.

  The cross flow fan 1 is rotatably supported by connecting a drive shaft 1d of the drive motor 2 to an end plate 1b on one side, and the end plate 1b on the other side is rotatable by a support member 9 comprising a bearing. Is supported by the other end 3b, and is provided in an air passage in the main body which becomes the leeward side of the heat exchanger d.

  The ozone generation unit 3 is provided with the discharge electrode 5 and the counter electrode 6 surrounding the discharge electrode 5 inside the unit case 4 as shown in FIGS. 2 (A) and 2 (B). As described above, one end 3a is rotatably supported by a support portion 8 made of a bearing provided on one side of the cross flow fan 1 and is detachably supported in the rotation axis direction, and the other end 3b is supported by the cross flow fan 1. It is supported by a support member 9 comprising a bearing provided on the other side so as to be rotatable and removably inserted in the direction of the rotation axis.

  The ozone generation unit 3 is supported by the support portion 8 and the support member 9 so that it does not rotate with the cross flow fan 1 when the cross flow fan 1 is driven and rotated by the drive motor 2. It is like that.

  In addition, the said ozone production | generation unit 3 removes the said support member 9 from the attachment hole 1c provided in the other side part of the said crossflow fan 1, as the arrow a shown in FIG. It can be removed from the hole 1c.

  Next, the sterilization and deodorization operation of the ozone generation unit 3 will be described based on the configuration in which the ozone generation unit 3 is provided inside the cross flow fan 1.

  As shown by an arrow h shown in FIG. 4 (B), the ozone generation unit 3 is formed by the ozone generated by discharging the discharge electrode 5 through the counter electrode hole 6a as shown by an arrow o. It is discharged from the case hole 4a toward the fan blade 1a shown in FIG. 3, and thereby, the substance that becomes a source of mold and odor adhering to the cross flow fan 1 is oxidized and decomposed from the inside by ozone. It can be sterilized and deodorized.

  Next, the ozone sterilized and deodorized from the inside of the crossflow fan 1 is obtained by rotating the crossflow fan 1 forward as indicated by an arrow e as shown in FIG. 1B and FIG. As shown in f, it is drawn out into the air passage connecting the suction port a and the outlet b, whereby the heat exchanger d provided in the air passage and the air passage can be sterilized and deodorized. .

  In this case, in order for the ozone generation unit 3 to function as a normal operation of the air conditioner, the concentration of ozone released from the outlet b is suppressed to 0.05 ppm or less by performing low voltage discharge, for example. It is configured.

  As a result, during normal operation, the sterilization and deodorization effect inside the air conditioner by ozone can be exerted. For example, as a living standard value that is the safest concentration of ozone for humans, Since it is known that the concentration of ozone that is not affected is less than 0.06 ppm, the concentration of ozone released from the outlet is suppressed to 0.05 ppm or less, so that it is in the air-conditioned room. There is no possibility of adversely affecting the user.

  At that time, at least the vertical wind direction plate g of the vertical wind direction plate g and the diffuser h is rotated to a position where the air outlet b is opened.

  Thereby, the ozone produced | generated inside the said crossflow fan 1 can be spread in the inside of a machine, diffusing by the crossflow fan 1, and a sterilization deodorization in an inside of an apparatus can be performed effectively.

  In the present invention, by providing the ozone generation unit 3 inside the cross flow fan 1, the ozone generated by the ozone generation unit 3 is not adsorbed to the heat exchanger d, This achieves a specific function and effect that the cross flow fan 1 is sufficiently diffused in the aircraft while being diffused by the rotation of the cross flow fan 1.

  Further, by rotating the cross flow fan 1 in the reverse direction as indicated by the arrow e ′, the ozone is agitated, and in the air passage connecting the suction port a and the outlet b as indicated by the broken line arrow f ′. Thus, the air passage and the heat exchanger d provided in the air passage are evenly distributed, and more effective sterilization and deodorization can be realized.

  In this case, since the ozone generation unit 3 functions as an internal clean operation that performs sterilization and deodorization inside the air conditioner, for example, ozone of about 1.0 ppm or less is generated and released into the apparatus by performing high voltage discharge. To do.

  At the same time, as described above, the cross-flow fan 1 is configured to rotate in the reverse direction, and thus, the ozone can be stirred during the internal clean operation, and can be spread throughout the entire area of the air conditioner. Thus, an effective sterilization and deodorization effect can be achieved in a short time.

  At that time, as shown in FIG. 1 (B), the up-and-down wind direction plate g and the diffuser h are slightly rotated at positions where gaps b and b ′ for allowing a small amount of room air to flow from the outlet b can be formed. Keep it moving.

  In this manner, ozone is generated and released by the ozone generation unit 3 provided inside the cross flow fan 1, so that, for example, an ozone generation unit is provided upstream of the heat exchanger d. The sterilizing and deodorizing effect on the cross flow fan 1 is obtained by the amount of ozone generated at a low concentration.

  Further, not only the cross flow fan 1, but the ozone is sequentially distributed to the air passage connecting the suction port a and the outlet b, the heat exchanger d provided in the air passage, While it is possible to effectively sterilize and deodorize the entire interior of the air conditioner, ozone is adsorbed to the air passage and the heat exchanger d, so the concentration of ozone that goes out of the machine is suppressed to 0.05 ppm or less. Therefore, there is no possibility of adversely affecting users in the air-conditioned room.

  The ozone generation unit 3 stops operating when a predetermined time has elapsed and the ozone concentration in the entire air conditioner exceeds a predetermined concentration, so that the amount of generated ozone does not become excessive. .

  The air sucked from the suction port a is cleaned by removing most of the dust contained in the air by passing through the air filter c, and then heat exchanged by the heat exchanger d. Then, it goes to the ozone generation unit 3 provided inside the cross flow fan 1.

  As a result, air that has been cleaned by removing most of the dust is directed to the ozone generation unit 3, so that dust can be prevented from adhering to the discharge electrode 5 and the counter electrode 6. 5 and the need for maintenance to clean the counter electrode 6 can be greatly reduced.

  As described above, according to this configuration, by providing the ozone generation unit 3 inside the cross flow fan 1, the dirt adhering to the cross flow fan 1 is oxidatively decomposed from the inside and effectively sterilized. An air conditioner that can be deodorized.

It is explanatory drawing of the air conditioner by this invention, (A) is a perspective view, (B) is sectional drawing. BRIEF DESCRIPTION OF THE DRAWINGS It is principal part explanatory drawing of the air conditioner by this invention, (A) is sectional drawing which shows a cross flow fan and the ozone generation unit provided in the inside, (B) removes an ozone generation unit from a cross flow fan It is sectional drawing which shows a state. It is an expanded sectional view showing a cross flow fan and an ozone generation unit provided in the inside. It is explanatory drawing of the ozone production | generation unit provided in the inside of a cross flow fan, (A) is a perspective view, (B) is AA sectional drawing shown to FIG. 4 (A). It is explanatory drawing of the air conditioning apparatus by a prior art example. It is sectional drawing of the air conditioner by a prior art example.

Explanation of symbols

a inlet port b outlet port c air filter d heat exchanger g top and bottom wind direction plate h diffuser 1 crossflow fan 1a fan blade 1b end plate 1c mounting hole 1d drive shaft 2 drive motor 3 ozone generation unit 3a one end 3b other end 4 unit case 4a Unit case hole 5 Discharge electrode 6 Counter electrode 6a Counter electrode hole 7 Discharge electrode contact 7 'Counter electrode contact 8 Support part 9 Support member

Claims (2)

In an air conditioner in which a cross flow fan is provided in an air passage connecting the suction port and the air outlet,
An air conditioner comprising an ozone generation unit for generating ozone inside the cross flow fan.   The air conditioner according to claim 1, wherein when the ozone is released from the ozone generation unit, the cross flow fan is rotated forward or backward.

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