JP2008196746A - Air conveying tube and air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conveying tube and an air conditioner capable of suppressing generation of abnormal noise. <P>SOLUTION: The air conveying tube 3 is an air conveying tube connecting an outdoor unit 1 and an indoor unit 2 of the air conditioner, and it is for conveying humidified air from the outdoor unit 1 to the indoor unit 2. It is provided with a tubular conveying tube body 31, and a water absorbing member 32. The water absorbing member 32 is provided on at least one part of an inner face of the conveying tube body 31, and it can absorb water contents. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an air conveyance pipe and an air conditioner.

2. Description of the Related Art Conventionally, an air conveyance pipe that conveys air by connecting an outdoor unit and an indoor unit of an air conditioner has been used. This air conveyance pipe is used to convey the air humidified in the outdoor unit to the indoor unit.
JP 2002-089896 A (paragraph number 0022 and FIG. 1)

  In the air transport pipe as described above, high-humidity air passes through the inside, so that condensation is likely to occur. For this reason, there is a possibility that water generated by dew condensation accumulates inside the air transport pipe and abnormal noise is generated.

  The subject of this invention is providing the air conveyance pipe | tube and air conditioner which can suppress generation | occurrence | production of unusual noise.

  An air transport pipe according to a first aspect of the present invention is an air transport pipe for connecting an outdoor unit and an indoor unit of an air conditioner and transporting humidified air from the outdoor unit to the indoor unit, and is a tubular transport pipe A main body and a water absorbing member are provided. The water absorbing member is provided on at least a part of the inner surface of the transport pipe main body and can absorb moisture.

  In this air conveyance pipe, the water absorption member is provided on at least a part of the inner surface of the conveyance pipe main body, so that the condensed water generated inside the conveyance pipe main body is absorbed by the water absorption member. For this reason, generation | occurrence | production of the noise by condensed water can be suppressed.

  The air carrier pipe according to the second invention is the air carrier pipe of the first invention, and the water absorbing member is capable of evaporating water from the surface.

  In this air conveyance pipe, the water absorbed by the water absorption member evaporates from the surface of the water absorption member, whereby the air passing through the inside of the conveyance pipe body can be humidified. Thereby, humidification capability can be improved.

  The air conveyance pipe which concerns on 3rd invention is an air conveyance pipe of 2nd invention, Comprising: The water absorption member has water diffusibility, and is provided along the axial direction of a conveyance pipe main body.

  In this air conveyance pipe, moisture can be diffused in a wide range in the axial direction in the water absorbing member. For this reason, the evaporation amount of the water | moisture content from a water absorption member can be increased, and a humidification capability can be improved more.

  The air conveyance pipe which concerns on 4th invention is an air conveyance pipe of 2nd invention or 3rd invention, Comprising: A water absorption member has water diffusibility, and it is provided over the whole circumferential direction of the inner surface of a conveyance pipe main body. Yes.

  In this air conveyance pipe, moisture can be diffused in a wide range in the circumferential direction of the inner surface of the conveyance pipe main body in the water absorbing member. For this reason, the evaporation amount of the water | moisture content from a water absorption member can be increased, and a humidification capability can be improved more.

  An air carrier pipe according to a fifth aspect of the present invention is the air carrier pipe of any one of the first to fourth aspects, further comprising a discharge part for discharging moisture absorbed by the water absorbing member to the outside.

  In this air conveyance pipe, the moisture absorbed by the water absorbing member can be discharged from the discharge portion to the outside of the conveyance pipe main body. As a result, even when a large amount of dew condensation water is generated, it is possible to prevent water from accumulating inside the transport pipe body, and it is possible to suppress the generation of abnormal noise.

  An air carrying pipe according to a sixth invention is the air carrying pipe according to any one of the first to fifth inventions, wherein the water absorbing member is made of a porous material.

  In this air conveyance pipe, since the water absorbing member is formed of a porous material, water retention and moisture diffusibility are high.

  An air conditioner according to a seventh aspect of the invention includes an outdoor unit, an indoor unit, and the air conveyance pipe according to any one of the first to sixth aspects of the invention.

  In this air conditioner, in the air conveyance pipe, the water absorption member is provided on at least a part of the inner surface of the conveyance pipe main body, so that the condensed water generated inside the conveyance pipe main body is absorbed by the water absorption member. For this reason, generation | occurrence | production of the noise by condensed water can be suppressed.

  An air conditioner according to an eighth aspect of the present invention is the air conditioner according to the seventh aspect of the present invention, wherein the indoor unit has an indoor unit humidifying unit that humidifies air blown into the room using moisture absorbed by the water absorbing member. .

  In this air conditioner, the indoor humidifier can humidify the air using the moisture absorbed by the air transport pipe. For this reason, a humidification capability can further be improved. Moreover, the process of dew condensation water becomes easy.

  In the air conveyance pipe according to the first aspect of the present invention, the water absorption member is provided on at least a part of the inner surface of the conveyance pipe main body, so that the condensed water generated inside the conveyance pipe main body is absorbed by the water absorption member. For this reason, generation | occurrence | production of the noise by condensed water can be suppressed.

  In the air conveyance pipe concerning the 2nd invention, the air which passes through the inside of a conveyance pipe body can be humidified because the water absorbed by the water absorption member evaporates from the surface of a water absorption member. Thereby, humidification capability can be improved.

  In the air conveyance pipe according to the third aspect of the invention, moisture can be diffused in a wide range in the axial direction in the water absorbing member. For this reason, the evaporation amount of the water | moisture content from a water absorption member can be increased, and a humidification capability can be improved more.

  In the air conveyance pipe which concerns on 4th invention, a water | moisture content can be spread | diffused in the wide range of the circumferential direction of the inner surface of a conveyance pipe main body in a water absorption member. For this reason, the evaporation amount of the water | moisture content from a water absorption member can be increased, and a humidification capability can be improved more.

  In the air conveyance pipe concerning the 5th invention, the moisture absorbed by the water absorption member can be discharged from the discharge part to the outside of the conveyance pipe main body. As a result, even when a large amount of dew condensation water is generated, it is possible to prevent water from accumulating inside the transport pipe body, and it is possible to suppress the generation of abnormal noise.

  In the air carrying pipe according to the sixth aspect of the present invention, the water absorbing member is made of a porous material, so that water retention and moisture diffusibility are high.

  In the air conditioner according to the seventh aspect of the present invention, in the air conveyance pipe, the water absorption member is provided on at least a part of the inner surface of the conveyance pipe main body, so that the condensed water generated inside the conveyance pipe main body is absorbed by the water absorption member. . For this reason, generation | occurrence | production of the noise by condensed water can be suppressed.

  In the air conditioner according to the eighth aspect of the invention, the indoor humidifier can humidify the air using the moisture absorbed by the air transport pipe. For this reason, a humidification capability can further be improved. Moreover, the process of dew condensation water becomes easy.

<First Embodiment>
〔Constitution〕
An air conditioner 100 according to a first embodiment of the present invention is shown in FIG. The air conditioner 100 includes an outdoor unit 1, an indoor unit 2, and an air conveyance pipe 3 that connects the outdoor unit 1 and the indoor unit 2.

  The outdoor unit 1 is disposed outside and has an outdoor unit main body 4 and a humidifying unit 5 as shown in FIG.

  The outdoor unit main body 4 includes refrigerant circuit components such as an outdoor heat exchanger 11, a compressor 12, a four-way switching valve 13, an expansion valve 14, an outdoor blower 15 for passing outside air through the outdoor heat exchanger 11, and the like. Is provided. FIG. 2 is a configuration diagram showing a refrigerant circuit and other components provided in the air conditioner 100.

  The humidifying unit 5 is a device that humidifies the outside air and sends it to the indoor unit 2 via the air conveyance pipe 3. The humidifying unit 5 adsorbs moisture from the outside air and is heated to remove moisture from the air sent to the indoor unit 2, a heater 17 that heats the moisture adsorption / desorption member 16, and a moisture adsorption / desorption member 16. A motor (not shown) for rotating the air, a humidifying blower 18 for generating a flow of air (see arrow A1) sent from the humidifying unit 5 through the air conveying pipe 3 into the room, and the like are provided. In the humidifying unit 5, the moisture adsorbing / desorbing member 16 rotates, so that the portion that adsorbs moisture and the portion that separates are continuously exchanged, and humidification without water supply is possible. Further, in the humidifying section 5, by switching the direction of the air flow by the supply / exhaust switching device 19, it is possible to execute an exhaust operation for taking in indoor air and discharging it outside the room (see arrow A2). In addition, the code | symbols 7a-7c in a figure have shown the exit and inlet of the air provided in the casing of the humidification part 5. FIG.

  The indoor unit 2 is disposed indoors, and includes an indoor heat exchanger 21, an indoor blower 22 that generates a flow of air blown into the room through the indoor heat exchanger 21, and the like. The outdoor unit 1 and the indoor unit 2 are connected by refrigerant pipes 23 and 24, and the indoor heat exchanger 21, the outdoor heat exchanger 11, the compressor 12, the four-way switching valve 13, and the expansion valve 14 are refrigerant circuits. Is configured.

  The air conveyance pipe 3 is a pipe that conveys humidified air from the outdoor unit 1 to the indoor unit 2, and is arranged in a vertical direction along the wall surface of the building as shown in FIG. Are bent in the direction of the indoor unit 2 and connected to the indoor unit 2 through through holes provided in the wall surface. As shown in FIG. 3, the air carrying tube 3 includes a tubular carrying tube main body 31 and a water absorbing member 32. FIG. 3 is a cross-sectional view of the air carrying tube 3 cut along a plane including an axis.

  One end of the transport pipe main body 31 is connected to the humidifying unit 5, and the other end is connected to the indoor unit 2, and high humidity air blown out from the humidifying unit 5 passes through.

  The water absorbing member 32 is attached to the inner surface of the transport pipe body 31 and is a member that can absorb moisture. The water absorbing member 32 is made of a porous material that is hydrophilic or has been subjected to a hydrophilic treatment, and has high water retention and water diffusibility. Further, the water absorbing member 32 can easily evaporate the absorbed water, and the water from the surface of the water absorbing member 32 can be evaporated. As the water absorbing member 32, for example, fiber materials such as woven fabric, non-woven fabric, paper, glass wool, and foamable materials such as sponge and foam metal can be used. More specifically, Japanese paper as papers, those using hydrophilic polyurethane as sponges, polyethylene, polypropylene, polycarbonate, polyesters having a hydrophilic treatment with polyurethane, and the like can be suitably used. As shown in FIG. 4, the water absorbing member 32 is provided on a part of the inner surface of the transport pipe body 31 in the circumferential direction. Specifically, the water absorbing member 32 is provided in a portion located on the lower side in the horizontal portion of the inner surface of the transport pipe main body 31. Since this portion is a position where water generated by condensation is likely to accumulate, the water absorbing member 32 is provided in this portion, so that water can be efficiently absorbed. Further, as shown in FIG. 3, the water absorbing member 32 is provided from the vicinity of the upper end of the transport pipe body 31 to the vicinity of the lower end along the axial direction of the transport pipe body 31. FIG. 4 is a cross-sectional view of the air carrying tube 3 taken along a plane perpendicular to the axis. A through hole is provided near the end of the transport pipe body 31 on the humidifying section 5 side, that is, near the lower end, and serves as a discharge section 33 for discharging moisture absorbed by the water absorbing member 32 to the outside. The lower end portion of the water absorbing member 32 is guided to the outside of the transport pipe main body 31 through the discharge portion 33, and moisture inside the transport pipe main body 31 is discharged to the outside from the discharge portion 33 through the water absorbing member 32. The

〔Characteristic〕
In the air conditioner 100, moisture generated by condensation inside the air transport pipe 3 is absorbed by the water absorbing member 32. Since the water absorbing member 32 has water conductivity, the water absorbed by the water absorbing member 32 moves along the water absorbing member 32 toward the inlet of the air conveyance pipe 3, that is, near the lower end. At this time, the moisture contained in the water absorbing member 32 is heated and evaporated by the warm humidified air passing through the inside of the transport pipe main body 31, and is sent into the room together with the humidified air. Thereby, it is possible to suppress the generation of abnormal noise due to the moisture generated inside the transport pipe main body 31, and it is possible to improve the humidification ability using the moisture absorbed by the water absorbing member 32.

  Moreover, in the conventional air conditioner, in order to prevent generation | occurrence | production of abnormal noise, the humidification capability may be restrict | limited and the humidity of the air which passes an air conveyance pipe may be reduced. However, in the air conditioner 100 according to the present invention, the dew condensation water is absorbed by the water absorbing member 32, so that there is little possibility that abnormal noise is generated even if the humidifying capacity is improved.

  Further, in the air conditioner 100, moisture that cannot be evaporated can be processed by being discharged to the outside through the discharge portion 33 provided in the vicinity of the lower end of the transport pipe main body 31.

Second Embodiment
An air conditioner 200 according to a second embodiment of the present invention is shown in FIG. In the air conditioner 200, the indoor unit humidification unit 8 is provided inside the indoor unit 2.

  The indoor unit humidification unit 8 is a part that humidifies air blown into the room using moisture absorbed by the water absorbing member 32. The indoor unit humidification unit 8 is in contact with the water absorbing member 32 of the air conveyance pipe 3, and is formed of the same material as that of the water absorbing member 32, for example, and the air through which the air blown into the room (hereinafter referred to as "blowing air") passes. It is provided facing the passage. And the water | moisture content absorbed by the water absorption member 32 is supplied to the indoor unit humidification part 8, and when the moisture is supplied from the indoor unit humidification part 8 to the blown air, the blown air is humidified.

  About another structure, it is the same as that of the air conditioner 100 which concerns on 1st Embodiment.

  In this air conditioner 200, a part of the water absorbed by the water absorbing member 32 moves toward the upper end of the water absorbing member 32 by capillary action and is supplied to the indoor unit humidifying unit 8. Then, moisture is supplied from the indoor unit humidification unit 8 to the blown air, and the blown air is humidified. Thereby, in this air conditioner 200, a humidification capability can further be improved.

  Moreover, since the water can be transported to the indoor unit 2 by the water absorbing member 32, the transport amount of the moisture for humidification can be increased.

<Other embodiments>
(A)
In the above embodiment, the water absorbing member 32 is provided on a part of the inner surface of the transport pipe body 31 in the circumferential direction. However, as shown in FIG. It may be provided. Thereby, moisture absorbability and evaporability can be improved.

  Further, the water absorbing member 32 may be provided on the entire inner surface of the transport pipe main body 31.

  Furthermore, in the above-described embodiment, the water absorbing member 32 is provided only on one side surface of the inner surface of the transport pipe main body 31, but the position where the water absorbing member 32 is provided is not limited to the above.

(B)
In the above embodiment, the water absorbing member 32 is provided from the vicinity of the upper end of the transport pipe main body 31 to the vicinity of the lower end along the axial direction of the transport pipe main body 31, but is provided in a part of the axial direction. Also good. Also in this case, the water absorption member 32 absorbs and holds the water generated by the dew condensation, so that the generation of abnormal noise can be suppressed.

(C)
At the end of the humidifying operation, the air in the air conveyance pipe 3 may be dried by sending the air dried from the outdoor unit 1 or the indoor unit 2 to the air conveyance pipe 3 for a predetermined time.

(D)
In the above-described embodiment, the water absorbing member 32 capable of evaporating moisture from the surface is used. However, if moisture can be absorbed, even if the moisture cannot be re-evaporated, abnormal noise is generated. It is possible to suppress the occurrence. For this reason, materials other than the above porous materials can be used as long as they are water-absorbing materials. However, it is desirable to use the water absorbing member 32 capable of evaporating moisture from the surface as described above from the viewpoint of improving the humidifying ability and treating the absorbed water.

  INDUSTRIAL APPLICABILITY The present invention has an effect of suppressing the generation of abnormal noise, and is useful as an air carrier pipe and an air conditioner.

The external view of an air conditioner. The block diagram of the refrigerant circuit of an air conditioner. Sectional drawing of an air conveyance pipe. Sectional drawing of an air conveyance pipe. The external view of the air conditioner which concerns on 2nd Embodiment. Sectional drawing of the air conveyance pipe | tube which concerns on other embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outdoor unit 2 Indoor unit 3 Air conveyance pipe 8 Indoor unit humidification part 31 Conveyance pipe main body 32 Water absorption member 33 Discharge part 100,200 Air conditioner

Claims (8)

An air transport pipe for connecting the outdoor unit (1) and the indoor unit (2) of the air conditioner and transporting humidified air from the outdoor unit (1) to the indoor unit (2),
A tubular transport pipe body (31);
A water absorbing member (32) provided on at least a part of the inner surface of the transport pipe body (31) and capable of absorbing moisture;
An air carrying pipe (3) comprising: The water absorbing member (32) is capable of evaporating water from the surface.
The air conveyance pipe (3) according to claim 1. The water absorbing member (32) has water diffusibility and is provided along the axial direction of the transport pipe body (31).
The air conveyance pipe (3) according to claim 2. The water absorbing member (32) has water diffusibility and is provided over the entire circumferential direction of the inner surface of the transport pipe body (31).
The air conveyance pipe (3) according to claim 2 or 3. A discharge portion (33) for discharging moisture absorbed by the water absorbing member (32) to the outside;
The air conveyance pipe (3) according to any one of claims 1 to 4. The water absorbing member (32) is formed of a porous material,
The air conveyance pipe (3) according to any one of claims 1 to 5. Outdoor unit (1),
Indoor unit (2),
An air conveying pipe (3) according to any of claims 1 to 6;
An air conditioner (100, 200). The indoor unit (2) includes an indoor unit humidification unit (8) that humidifies air blown into the room using moisture absorbed by the water absorbing member (32).
The air conditioner (200) according to claim 7.

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