JP2017058025A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner which achieves further reduction in air blowing noise.SOLUTION: An air conditioner includes: an air cleaning part 4 which is air conditioning means provided in a body case; and blower means 5 for blowing air outside of the body case sucked from an intake port to a blower port 2 via the air cleaning part 4. The blower means 5 includes a casing air passage part 18 between a discharge port 14 and a fan part 12. The casing air passage part 18 is inclined to the front side from the back side in the body case. At the blower port 2, a first wind direction plate 16 and a plurality of second wind direction plates 17 extending in the longitudinal direction in the body case and also extending in the vertical direction are provided. The first wind direction plate 16 is arranged on the further back side in the body case than the center of the blower port 2. The plurality of second wind direction plates 17 are provided further on the back side and the front side than the first wind direction plate 16. A lower end part 19 in the first wind direction plate 16 is arranged below a lower end part 20 in the second wind direction plates.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an air conditioner used in a general home or office.

  Conventionally, this type of air conditioner includes a main body case having a suction port and a blower port, air conditioning means provided in the main body case, and air sucked from the suction port through the air passage. It was comprised from the ventilation means which blows off from the said ventilation opening through a harmony means.

Japanese Patent Laid-Open No. 2015-021640

  The problem of the above conventional example is further reduction of blowing noise.

  Conventionally, a main body case having a suction port and a blower port, air conditioning means provided in the main body case, and air blown out from the blower port through the air conditioning means by the air passage through the air sucked from the suction port It consists of means.

  In recent years, products equipped with the above air conditioners have been downsized, while increasing the volume of air flow has been demanded, and the speed of the air blown out from the air outlet has become faster, resulting in increased blowing noise. There is. In order to reduce the level of this blowing noise, there are a method of increasing the diameter of the blade part, a method of increasing the air outlet and a method of increasing the distance between the blade part and the air outlet, both of which increase the product housing, It was sometimes difficult.

  Then, this invention aims at the further reduction of the ventilation noise of an air conditioning apparatus.

In order to achieve this object, the present invention provides a main body case having an air inlet and an air outlet, air conditioning means provided in the main body case, and air outside the main body case sucked from the air inlet. A blower that blows air to the blower opening via an air conditioner, and the blower includes a scroll-shaped casing part, a motor part fixed to the casing part, and a fan part rotated by the motor part. The casing portion includes a suction port on a side surface, a discharge port on an upper surface, a casing air passage portion between the discharge port and the fan portion, and the casing air passage portion includes the main body. Inclined from the back side to the front side in the case, the air outlet opens upward and is provided on the top surface of the main body case.
A first wind direction plate and a plurality of second wind direction plates extending in the left-right direction and extending in the vertical direction in the main body case are provided, and the first wind direction plate is located on the back side of the main body case from the center of the air outlet. The plurality of second wind direction plates are provided on the back side and the front side of the first wind direction plate, and the lower end portion of the first wind direction plate is lower than the lower end portion of the second wind direction plate. It is characterized by being arranged below.

  This achieves the intended purpose.

  As described above, the present invention provides a main body case having an air inlet and an air outlet, air conditioning means provided in the main body case, and air outside the main body case sucked from the air inlet through the air conditioning means. A blower that blows air to the blower opening, and the blower includes a scroll-shaped casing part, a motor part fixed to the casing part, and a fan part rotated by the motor part. Has a suction port on the side surface, a discharge port on the upper surface, a casing air passage part between the discharge port and the fan part, the casing air passage part from the back side to the front side in the main body case The blower opening is opened upward and provided on the top surface of the main body case. The blower opening extends in the left-right direction of the main body case and extends in the vertical direction. A first wind direction plate and a plurality of second wind direction plates, the first wind direction plate being disposed on the back side of the main body case from the center of the air outlet, and a plurality of the second wind direction plates Is provided on the back side and the front side from the first wind direction plate, and the lower end portion of the first wind direction plate is disposed below the lower end portion of the second wind direction plate. Device.

  Thereby, the air discharged | emitted from a ventilation port is parted by the 1st wind direction board, and can be discharged from the whole ventilation port more. As a result, the air velocity in the vicinity of the air outlet can be suppressed without reducing the air volume, and the air blowing noise can be reduced.

The perspective view of the air conditioning apparatus of Embodiment 1 of this invention Cross section of the air cleaning device

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

(Embodiment 1)
As shown in FIGS. 1 and 2, the air conditioning apparatus of the present embodiment includes a main body case 3 having an air inlet 1 and an air outlet 2, and an air purifier that is an air conditioning means provided in the main body case 3. 4, a blowing unit 5, a control unit 6, and an operation unit 7.

  The main body case 3 has a vertically long rectangular box shape, and is provided with an air inlet 1 at a lower portion of the front surface of the main body case 3, and a horizontally elongated air blowing port 2 is provided on the back side of the top surface of the main body case 3. The blower opening 2 is provided with first wind direction adjusting means 8 and second wind direction adjusting means 9 which are provided so as to be freely opened and closed.

  The air cleaning unit 4 is provided in the vicinity of the air inlet 1 of the main body case 3, and is an air cleaning filter as an example. A pleat-shaped filter medium part (not shown) and a rectangular tube-shaped frame part (not shown) for fixing the filter medium part are formed. When air passes through the filter medium, dust in the air is collected.

  The air blowing means 5 is located in the air path between the air cleaning part 4 and the air blowing port 2 of the main body case 3, and is formed of a casing part 10, a motor part 11, and a fan part 12. The casing portion 10 has a scroll shape, is provided with a circular suction port 13 on a side surface, a horizontally elongated discharge port 14 is provided on the upper surface, and a casing air passage unit 18 is provided between the discharge port 14 and the fan unit 12. I have. A motor part 11 is fixed to the casing part 10. A centrifugal blower type fan section 12 is fixed to a shaft section 15 extending in the horizontal direction of the motor section 11.

  When the fan unit 12 is rotated by the motor unit 11, the air outside the main body case 3 is sucked into the main body case 3 from the air inlet 1 and blown to the air outlet 2 through the air purifying unit 4 and the air blowing means 5 in order. It is what is done.

  The operation unit 7 is located on the front side of the top surface of the main body case 3 with respect to the blower opening 2. By the operation of the operation unit 7, the control unit 6 controls the air volume of the air blowing unit 5 and the air blowing angles of the first air direction adjusting unit 8 and the second air direction adjusting unit 9.

  The feature in this embodiment is the casing part 10, the 1st wind direction board 16 provided in the ventilation port 2, and the several 2nd wind direction board 17. FIG.

  The casing unit 10 includes a casing air passage unit 18 between the discharge port 14 and the fan unit 12. The casing air passage portion 18 is inclined from the back side to the front side in the main body case 3.

  The air outlet 2 includes a first wind direction plate 16 extending in the left-right direction and extending in the vertical direction in the main body case 3, and a plurality of second wind direction plates 17 extending in the left-right direction and extending in the vertical direction in the main body case 3. I have.

  The first wind direction plate 16 is disposed on the back side of the main body case 3 from the center of the air outlet 2 in the front-rear direction of the main body case 3. The plurality of second wind direction plates 17 are provided on the back side and the front side from the first wind direction plate 16. The position of the lower end 19 in the first wind direction plate 16 is arranged below the position of the lower end 20 in the second wind direction plate 17.

  Accordingly, the casing air passage portion 18 is inclined from the back surface side to the front surface side in the main body case 3, and therefore flows along the casing rear air passage portion 18 </ b> A that is the back surface side of the main body case 3 of the casing air passage portion 18. Although the air volume is large, the main body case 3 flows in an inclined manner from the back side to the front side.

  This inclined air flow hits the lower end portion 19 of the first wind direction plate 16 and is divided into air A flowing from the first wind direction plate 16 to the back side and air B flowing from the first wind direction plate 16 to the front side. Divided. Here, since the 1st wind direction plate 16 is arrange | positioned in the back side in the main body case 3 from the center in the front-back direction of the main body case 3 of the ventilation opening 2, it is thought that it becomes easy to flow into the air B compared with the air A. Thereby, compared with the case where there is no 1st wind direction board 16, air becomes easy to flow into the ventilation opening 2 more uniformly. As a result, the air speed in the vicinity of the air outlet 2 can be suppressed without reducing the air volume, and the blowing noise can be reduced.

  Further, the leeward side of the front side of the main body case of the casing air passage portion 18 has a larger inclination angle than the rear side of the main body case of the casing air passage portion 18. The leeward side of the casing front air passage portion 18B which is the front surface side of the main body case of the casing air passage portion 18 is more greatly inclined from the back surface side to the front side of the main body case 3 than the casing rear air passage portion 18A. Thereby, it is thought that it becomes easier to flow to the air B than the air A.

  As described above, the present invention is expected to be used as an air purifier, a humidifier, a dehumidifier, etc., which are air conditioners for home use and office use.

DESCRIPTION OF SYMBOLS 1 Air inlet 2 Air outlet 3 Main body case 4 Air-cleaning part 5 Air blowing means 6 Control means 7 Operation part 8 1st wind direction adjustment means 9 2nd wind direction adjustment means 10 Casing part 11 Motor part 12 Fan part 13 Inlet 14 Exhaust Exit 15 Shaft portion 16 First wind direction plate 17 Second wind direction plate 18 Casing air passage portion 18A Casing rear air passage portion 18B Casing front air passage portion 19 Lower end portion 20 Lower end portion

Claims (2)

A main body case having an air inlet and an air outlet, air conditioning means provided in the main body case, and air blowing means for blowing air outside the main body case sucked from the air inlet to the air outlet through the air conditioning means The air blowing means includes a scroll-shaped casing part, a motor part fixed to the casing part, and a fan part rotated by the motor part. The casing part has a suction port on a side surface. A discharge port is provided on the upper surface, and a casing air passage portion is provided between the discharge port and the fan portion. The casing air passage portion is inclined from the back side to the front side of the main body case, and the air blowing port. Is provided on the top surface of the main body case, and the air outlet has a first wind direction plate extending in the left-right direction and the vertical direction in the main body case. The second wind direction plate is disposed on the back side of the main body case from the center of the air outlet, and the plurality of second wind direction plates are the first wind direction plate. The air conditioner is further provided on a back side and a front side, and a lower end portion of the first wind direction plate is disposed below a lower end portion of the second wind direction plate. 2. The air conditioner according to claim 1, wherein the leeward side of the front surface side of the main body case of the casing air passage portion has a larger inclination angle than the rear surface side of the main body case of the casing air passage portion.

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