JP2002061864A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioning indoor unit which can exhibit extremely excellent dust collecting function without hindering the temperature regulating function being the primary function, and can remove gas components. SOLUTION: A water scattering mechanism 16 which purifies the indoor air sucked in is provided upstream of a heat exchanger 2. An air cleaning filter 27 to which the water scattered by the above water scattering mechanism 16 adheres is provided downstream of this water scattering mechanism 16 besides being upstream of the above heat exchanger 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioning indoor unit having an air purifying function.

[0002]

2. Description of the Related Art In recent years, many air conditioner indoor units of an air conditioner have an air purifying function. As the air purifying function, there are a type using a dry filtration filter and a type using an electric dust collector. This electric dust collector uses a corona discharge to apply electric charges to particles in a dust-containing gas, and electrically collects the charged particles.

[0003]

However, in the case where a dry filter is used, it is necessary to make the filter finer in order to improve the dust collection efficiency. And the temperature control function as an air conditioner may be impaired. Further, in the electric dust collector, fine dust can be sucked, but it is difficult to remove gas components in the air.

The present invention has been made to solve the above-mentioned conventional drawbacks, and has an object to exhibit an extremely excellent dust collecting function without impairing a temperature adjusting function which is an original function. Another object of the present invention is to provide an air-conditioning indoor unit capable of removing gas components.

[0005]

Therefore, the air conditioner indoor unit according to claim 1 is characterized in that a water scattering mechanism 16 for purifying indoor air sucked in is provided upstream of the heat exchanger 2.

In the air conditioner indoor unit according to the first aspect, the indoor air sucked by the water scattering mechanism 16 is purified.
By using water as an adsorbent, it is possible to demonstrate an excellent dust collection function without increasing ventilation resistance, that is, without impairing the temperature adjustment function that is the original function of an air conditioning indoor unit. It is also possible to remove gas components in the air.

The air-conditioning indoor unit according to claim 2 is an air-cleaning filter to which water scattered by the water scattering mechanism 16 adheres.
7 is provided on the upstream side of the heat exchanger 2 and on the downstream side of the water scattering mechanism 16.

In the air conditioner indoor unit according to the second aspect, since water scattered by the water scattering mechanism 16 adheres to the air cleaning filter 27, the air cleaning filter 27 becomes a so-called wet type air cleaning filter 27. Therefore, indoor air can be purified by the scattered water and the wet air cleaning filter 27, and the dust collecting function can be improved.

The air conditioner indoor unit according to claim 3 is characterized in that the heat exchanger 2
Is supplied to the water scattering mechanism 16 from the dew.

In the air conditioner indoor unit according to the third aspect, the water used by the water splashing mechanism 16 can be covered by the dew condensation water from the heat exchanger 2, and no separate water supply tank is required. Can be simplified.

The air conditioner indoor unit according to a fourth aspect of the present invention is characterized in that a mesh-shaped cover 32 for preventing water drops from dripping into the room is provided upstream of the water scattering mechanism 16.

In the air-conditioning indoor unit according to the fourth aspect, the mesh-shaped cover 32 can prevent water drops from dripping into the room, prevent the floor surface and the like in the room from getting wet, and suppress a decrease in use comfort. it can.

A fifth aspect of the present invention is characterized in that the water flowing from the water scattering mechanism 16 and the air cleaning filter 27 is collected in the drain pan 15.

In the air conditioner indoor unit according to the fifth aspect, since water flowing down from the water scattering mechanism 16 and the air cleaning filter 27 can be collected in the drain pan 15, water used for dust removal can be collected. The comfort of use can be maintained without wetting the inside of the aircraft.

The air conditioner indoor unit according to claim 6 is characterized in that: It is characterized in that water flowing down from the water scattering mechanism 16 and the air cleaning filter 27 is discharged to the outside of the machine via a drain hose 28.

In the air conditioner indoor unit according to the sixth aspect, the water flowing down from the water scattering mechanism 16 and the air purification filter 27 can be discharged to the outside through the drain hose 28 to maintain the comfortable use. can do.

The air-conditioning indoor unit according to claim 7 is characterized in that a part of the mist water scattered by the water scattering mechanism 16 is diffused into the room.

In the air conditioner indoor unit according to the seventh aspect, the room can be naturally humidified by diffusing a part of the atomized water scattered by the water scattering mechanism 16 into the room.

An eighth aspect of the present invention is characterized in that the air conditioning indoor unit is provided with a water scattering mechanism 16 for generating negative ions.

In the air conditioner indoor unit according to the eighth aspect, since negative ions are generated, it is possible to cause the "Leonard phenomenon" which feels comfortable like the vicinity of a waterfall, a mountain stream or a forest.

According to the ninth aspect of the present invention, the air-conditioning indoor unit is
Is an ultrasonic vibrator 1 that applies vibration to water to generate fog
8 is provided.

In the air conditioner indoor unit according to the ninth aspect, since the mist is generated by the vibration of the ultrasonic vibrator 18, the mist can be quickly atomized and the generated mist particles are fine. Becomes

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the air-conditioning indoor unit according to the present invention will be described in detail with reference to the drawings.

FIGS. 1 and 3 show an air-conditioning indoor unit. The air-conditioning indoor unit has an indoor unit casing 1, in which a heat exchanger 2, a fan (cross flow fan) 3 and the like are provided. It is stored. The indoor unit casing 1 includes a main body casing 4 to which main components such as the heat exchanger 2 and the fan 3 are attached, a front grille 5 attached to a front surface of the main body casing 4, and a further front surface of the front grille 5. And a front panel 6 provided. A ceiling suction port 7 is formed at the ceiling of the front grille 5, and a front suction port 8 is formed on the front panel 6. Among them, the top surface suction port 7 is formed by forming a ceiling portion of the front grille 5 in a lattice shape, and the front surface suction port 8 extends in an approximately upward central portion of the front panel 6 through an opening directed upward. (Not shown).

The heat exchanger 2 has a plate fin configuration in which a front heat exchanger 9 and a rear heat exchanger 10 are arranged in an inverted V-shape. An auxiliary heat exchanger 11 is provided. Further, the cross flow fan 3 is arranged inside the heat exchanger 2 so that the axial direction thereof is along the longitudinal direction of the indoor unit casing 1. A back scroll 12 is formed behind the cross flow fan 3, and is smoothly connected to an outlet 13 opening at a lower portion on the front side of the indoor unit casing 1. The front casing 14 of the outlet 13 is formed integrally with a drain pan 15 located below the front heat exchanger 9.

On the upstream side of the heat exchanger 2, a water scattering mechanism 16 for purifying room air sucked from the front suction port 8 is provided. This water splashing mechanism 1
6 includes a water collecting pan 17 integrally formed with the front casing 14 and an ultrasonic vibrator 18 that applies vibration to the water in the water collecting pan 17 to generate mist-like water. The water collecting pan 17 includes a main body 20a extending along the longitudinal direction of the indoor unit casing 1 and a main body 2a, as shown in FIGS.
A central water storage portion 20b is provided at the center of the center water storage portion 0a, and the ultrasonic vibrator 18 projects into a lower opening of the central water storage portion 20b. Further, as shown in FIG. 2, the main body 20a of the water collecting pan 17 has a front wall 21 which is sequentially inclined forward from below and upward, and a rear wall which is sequentially inclined upward from the lower end of the front wall 21. A bottom wall 22 is formed, and a rear wall 23 which is sequentially inclined forward and upward from the upper end of the bottom wall 22 to form a water receiving recess 19 which expands upward. Also, the bottom wall 22 is shown in FIG.
As shown in the figure, left and right walls 2 inclined downward toward the center
2a and 22b, and at the center of the bottom wall 22,
As shown in FIG. 2, the central water storage 20
b is provided continuously. The left and right ends of the main body 20a are provided with side walls 25, 25, respectively. Therefore, the water receiving recess 19 can collect the dew water from the heat exchanger 2, and the collected water accumulates in the central water storage portion 20b.

Therefore, by driving the ultrasonic vibrator 18,
If ultrasonic waves are generated in the water stored in the central water storage portion 20b, the water vibrates violently, and the vibrating vibration causes a cavity phenomenon, which quickly generates fine fog. As the ultrasonic vibrator 18, various vibrators such as a magnetostrictive vibrator utilizing a magnetostrictive phenomenon, a piezoelectric vibrator utilizing a piezoelectric phenomenon, and an electrostrictive vibrator utilizing an electrostrictive phenomenon may be used. Can be.

As shown in FIGS. 1 and 2, a receiving frame 26 is provided on the front side of the front heat exchanger 9. The receiving frame portion 26 includes a vertical first portion 26a and the first portion 26a.
and a second portion 26b bent rearward from a. An air cleaning filter 27 is attached to the front surface (front surface) of the second portion 26b.
That is, the air purification filter 27 is provided on the upstream side of the heat exchanger 2 and on the downstream side of the water scattering mechanism 16. The air purifying filter 27 includes a vertical first portion 27a and a second portion 27b bent backward from the first portion 27a, like the receiving frame portion 26, and is made of metal (for example, stainless steel). It is composed of a mesh. In this case, the lower part of the second part 26 b of the receiving frame part 26 and the lower part of the second part 27 b of the air purification filter 27 are protruding into the drain pan 15. Therefore, the drain pan 15 can collect the water flowing down from the water scattering mechanism 16 and the air purification filter 27. As shown in FIG. 5, a drain hose 28 is connected to the drain pan 15.

Further, a valve mechanism 29 is provided in the central water storage section 20b.
Is provided. That is, an opening 30 is opened at the rear of the central water storage section 20b, and the valve 3 for opening and closing the opening 30 is provided.
The valve mechanism 29 is constituted by adding the number 1. The opening / closing operation of the valve 31 is controlled by a control means (not shown), and the valve 31 is opened by the water pressure with respect to the valve 31 of the water stored in the central water storage portion 20b, even if it is performed as needed. May be set. In addition, another drain pan 36 is provided below the auxiliary heat exchanger 11, and the drain water of the drain pan 36 is supplied to the collecting pan 1.
7 and the drain pan 15.

On the upstream side of the water scattering mechanism 16, a mesh-like cover 32 for preventing water drops from dripping into the room is provided.
(Specifically, the same metal as the air cleaning filter 27, for example, a stainless steel mesh) is provided. That is, the cover 32 includes the vertical portion 32a and the vertical portion 3a.
The upper end of the other drain pan 36 is engaged with a locking piece 33 integrally provided on the other drain pan 36, and the upper end of the lower portion 2a is used for collecting water. The lower end of the inwardly projecting piece 34 provided on the main body 20a of the pan 17 is locked (contacted). Therefore, a space 35 is provided between the cover 32 and the air purification filter 27, and water (fog water) scattered by the water scattering mechanism 16 drifts in the space 35.

The air-conditioning indoor unit described above forms a refrigerant system circuit with a compressor, a decompression mechanism, a heat exchanger, and the like, thereby enabling a cooling and heating operation. When performing the heating operation, the heat exchanger 2 of the air conditioning indoor unit functions as a condenser, and the heat exchanger of the air conditioning outdoor unit functions as an evaporator. That is, when the cross flow fan 3 is driven, the room air is sucked into the air-conditioning indoor unit from the front suction port 8 and is heated by the heat exchanger 2 functioning as a condenser. 13
The room can be warmed. In the case of performing the cooling operation, the heat exchanger 2 of the air-conditioning indoor unit functions as an evaporator, and the heat exchanger of the air-conditioning outdoor unit functions as a condenser. That is, when the cross flow fan 3 is driven, the indoor air is drawn into the air-conditioning indoor unit from the front suction port 8 and cooled by the heat exchanger 2 functioning as an evaporator.
This cooled air is blown out from the air outlet 13 to cool the room.

When the mist water is generated by the water scattering mechanism 16, the mist water drifts in the space 35 and a part of the mist water adheres to the air cleaning filter 27. When the air purifying filter 27 is a so-called wet type air purifying filter, and the room air is sucked through the front suction port 8, the room air entering the machine from the front suction port 8 becomes a mist and flows through the space 35. After passing through the scattered water, the air further passes through a wet air purifying filter 27 (sprayed water adheres to the air purifying filter 27 by suction of indoor air), thereby purifying the air. The purified air is heated or cooled and is blown out from the outlet 13.

As described above, according to the air conditioner indoor unit, the indoor air can be purified in both the heating operation and the cooling operation, and water is used as the adsorbing substance. It is also possible to remove gas components.
Further, the dew condensation water from the heat exchanger 2 is collected in the water collecting pan 17, and the water in the water collecting pan 17 can be used as the water used by the water scattering mechanism 16. No water tank is required. In addition, when more water than necessary is collected in the water collecting pan 17, the valve 31 can be opened to flow to the drain pan 15, and the water flowing from the water scattering mechanism 16 and the air cleaning filter 27 can be drained to the drain pan 15. The water can be collected, and the water collected in the drain pan 15 can be discharged to the outside through the drain hose 28.
Further, when the water scattering mechanism 16 generates mist-like water, the water collides violently, thereby generating negative ions. In other words, it is possible to cause the "Leonard phenomenon" that feels comfortable, as in the vicinity of a waterfall, a mountain stream or a forest. Moreover, since the ultrasonic vibrator 18 is used for the water scattering mechanism 16 for generating fog, it can be atomized quickly, and the air-cleaning operation of this air-conditioning indoor unit can be performed immediately. There is an advantage that the generated mist particles are fine and have an excellent cleaning effect.

Further, the lower end of the cover 32 is
7 is in contact with the inner surface of the body 20a of the cover 7, and water droplets adhering to the inner surface (back surface) of the cover 32
2 and the main body 2 of the water collecting pan 17
0a. Further, even if water droplets attached to the air purification filter 27 drop from the air purification filter 27 to the space 35, the water droplets can be prevented from dripping indoors by the cover 32. Further, since the cover 32 is in a mesh shape as described above, a part of the mist-like water scattered by the water scattering mechanism 16 can be diffused into the room through the cover 32. Therefore, the room can be humidified. In this case, as described above, a part of the scattered mist of water (that is, fine mist of water that has passed through the cover 32) is diffused, but does not allow dripping of water drops into the room.

Although the specific embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and can be implemented with various modifications within the scope of the present invention. For example, the water scattering mechanism 16 may include a rotating body that scatters water by centrifugal force generated by rotation without using the ultrasonic oscillator 18.

[0036]

According to the air conditioner indoor unit of the first aspect, the indoor air sucked in is cleaned by the water scattering mechanism.
By using water as the adsorbent, it is possible to exhibit an excellent dust collection function without increasing ventilation resistance, that is, without impairing the temperature adjustment function, which is the original function of the air conditioning indoor unit, Moreover, it is possible to remove gas components in the air.

In the air conditioner indoor unit according to the second aspect, the water scattered by the water scatter mechanism adheres to the air cleaning filter, so that the air cleaning filter is a so-called wet type air cleaning filter. For this reason, indoor air can be purified by the scattered water and the wet air cleaning filter, and the dust collecting function can be improved.

In the air conditioner indoor unit of the third aspect, the water used by the water splashing mechanism can be covered by the dew condensation water from the heat exchanger, and a separate water supply tank is not required. Can be achieved.

In the air conditioner indoor unit according to the fourth aspect, the mesh-shaped cover can prevent water drops from dripping into the room, prevent the floor surface and the like in the room from getting wet, and suppress a decrease in the use comfort. .

In the air conditioner indoor unit according to the fifth aspect, since water flowing down from the water scattering mechanism and the air purification filter can be collected in the drain pan, water used for dust removal can be collected and the inside of the air conditioner indoor unit can be wetted. Without using, comfort can be maintained.

In the air conditioner indoor unit according to the sixth aspect, the water flowing down from the water scattering mechanism and the air cleaning filter can be discharged to the outside via the drain hose, so that the use comfort can be maintained. .

In the air conditioner indoor unit according to the seventh aspect, the room can be naturally humidified by diffusing a part of the atomized water scattered by the water scattering mechanism into the room. To give moisture.

In the air conditioner indoor unit according to the eighth aspect, since negative ions are generated, the "Leonard phenomenon" that feels comfortable can be caused in the same manner as in the vicinity of a waterfall, a mountain stream, a forest, and the like. It can be a space.

In the air conditioner indoor unit according to the ninth aspect, since the mist is generated by the vibration of the ultrasonic vibrator, it can be atomized quickly, and the air cleaning operation of the air conditioner indoor unit can be performed immediately. It is possible to perform the cleaning, and the generated fog particles are finer, which is advantageous in that the cleaning effect is excellent.

[Brief description of the drawings]

FIG. 1 is a sectional view of an air-conditioning indoor unit according to an embodiment of the present invention.

FIG. 2 is a front view of a main part of the air conditioner indoor unit.

FIG. 3 is an enlarged view of a main part of the air conditioner indoor unit.

FIG. 4 is a simplified front view of a main part of the air conditioner indoor unit.

FIG. 5 is a simplified perspective view of the air conditioner indoor unit.

[Explanation of symbols]

 2 Heat exchanger 15 Drain pan 16 Water scattering mechanism 18 Ultrasonic vibrator 21 Air cleaning filter 28 Drain hose 32 Cover

Claims (9)

[Claims] 1. An air-conditioning indoor unit comprising a water scattering mechanism (16) for purifying indoor air sucked in, provided upstream of a heat exchanger (2). 2. An air purifying filter (27) to which water scattered by the water scattering mechanism (16) adheres is provided upstream of the heat exchanger (2) and downstream of the water scattering mechanism (16). The air conditioner indoor unit according to claim 1, wherein 3. The air-conditioning indoor unit according to claim 1, wherein the condensed water from the heat exchanger (2) is supplied to the water scattering mechanism (16). 4. A mesh cover (3) provided upstream of the water scattering mechanism (16) to prevent water droplets from dropping into a room.
The air conditioner indoor unit according to any one of claims 1 to 3, wherein (2) is provided. 5. A drain pan (15) for discharging water flowing down from the water scattering mechanism (16) and the air purification filter (27).
The air-conditioning indoor unit according to any one of claims 2 to 4, wherein the air-conditioning indoor unit is collected. 6. A drain hose (2) for discharging water flowing down from the water scattering mechanism (16) and the air cleaning filter (27).
3. The method according to claim 2, wherein the air is discharged to the outside of the machine via the above (8).
The air-conditioning indoor unit according to claim 5. 7. The air-conditioning indoor unit according to claim 1, wherein a part of the atomized water scattered by the water scattering mechanism (16) is diffused into the room. 8. A water scattering mechanism (16) for generating negative ions is provided.
Any of the air conditioning indoor units. 9. The water scattering mechanism (16) comprises an ultrasonic vibrator (18) for applying vibration to water to generate fog. Air conditioning indoor unit.