JP2003004252A - Integral type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent large sized water droplets from being dropped onto a propeller fan during its rotation. SOLUTION: A slinger ring 31a integrally formed around a propeller fan 31 is eliminated and in place of it, a water absorbing material 50 such as a member having non-woven fabric, for example, fixed to a frame member is vertically installed at a water receiving pan 2c in front of the propeller fan 31.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated air conditioner that reduces abnormal noise generated by splashing water droplets attached to a ceiling and colliding with a fan.

[0002]

2. Description of the Related Art FIG. 4 is a longitudinal sectional view of an essential part showing an example of a conventional integrated air conditioner. A main body 1 is provided with a partition plate 4 on a base 2 to mount a unit section partitioned into an indoor side and an outdoor side. Reference numeral 5 denotes a motor mount that holds the blower motor 6, and is fixed to the base 2. Reference numeral 2a denotes an indoor heat exchanger, which is disposed on the indoor front surface of the main body 1. 7 is the indoor heat exchanger 2a
A casing provided on the back surface of the partition is connected to an air outlet (not shown) to form an air passage together with the partition plate 4. A sirocco fan 8 is installed in the casing 7 and sends cold air to the room through the air passage. An outdoor heat exchanger 32 forms an air passage with the baffle plate 33 installed on the outdoor side and a cylindrical bell mouth 34. Reference numeral 31 is a propeller fan, and slinger ring 3 is provided via a support portion 31b.
Bell mouth 3 which is formed integrally with 1a and is on the outdoor side
4 are arranged so that their axial directions coincide with each other. The slinger ring 31a is arranged on the outdoor heat exchanger 32 side of the opening of the cylindrical bell mouth 34. Reference numeral 6 denotes a blower electric motor, and the propeller fan 31 and the sirocco fan 8 are supported and fixed to the extended shafts 6a and 6b, respectively. Reference numeral 10 denotes an outer case having a vent hole (louver hole) on the outside of the room, which accommodates the main body 1 therein, and which has a suction port and a blow-out port (not shown) on the front surface of the indoor heat exchanger 2a.
I wear 0.

Conventionally, as shown in FIG. 4, a drain splash of an integrated air conditioner in which a main body 1 is divided into an indoor side and an outdoor side by a partition plate 4 provided on a base 2 is used to cool the indoor side by cooling operation. The drain water condensed by the indoor heat exchanger 2a is collected in the drain pan 2b, guided to the water receiving portion 2c provided on the base 2 below the propeller fan 31 outside the room, and slinger ring 31 formed integrally with the propeller fan 31.
By a, the drain water is scooped up, scattered and blown to the outdoor heat exchanger 32 to be evaporated, and the heat taken from the outdoor heat exchanger 32 during evaporation is intended to enhance the condensation effect.

However, as shown in the sectional view (a) of the main part and the front view (b) of the main part in FIG. 5, the splash of drain water by the slinger ring 31a of the propeller fan 31 is blown to the outdoor heat exchanger 32. Not only that, the water is also scattered on both side surfaces and the upper surface of the wind guide plate 33 forming the air passage. Especially, the drain water scattered on the ceiling (upper surface) of the wind guide plate 33 grows little by little and becomes a large water drop. It drops to 9 and finally falls on the propeller fan 31 which is rotating, for example, at point A. At this time, a creaking sound was emitted, and when this continued, this noise was surprisingly noisy and caused the complaint.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide an integrated air conditioner that prevents large-sized water droplets from falling onto a propeller fan.

[0006]

In order to solve the above problems, the present invention has the following means.

The main body is divided into an indoor side and an outdoor side by a partition plate provided on a base, an indoor side heat exchanger and a centrifugal fan facing the indoor side heat exchanger are provided, and an outdoor side heat exchanger is provided on the outdoor side. And a propeller fan provided opposite thereto, a motor for driving the propeller fan and the centrifugal fan, and a baffle plate provided with a substantially cylindrical bell mouth surrounding the outdoor heat exchanger and the propeller fan. With the provision of a water receiving portion for collecting drain water on the outdoor side base, between the propeller fan and the outdoor heat exchanger, facing the propeller fan, a water absorbing material in the water receiving portion. The drain water condensed by the indoor heat exchanger is guided to the outdoor water receiver, and the drain water sucked by the water absorbing material is transferred to the outdoor heat exchanger by blowing the propeller fan. Evaporate into a vessel To management.

Further, the water absorbing material is formed into an annular band having an ascending part and a descending part, and the annular band is stretched over a pair of upper and lower rollers supplying a rotational driving force, thereby endlessly. I tried to rotate.

Further, the water absorbing material is formed in a net shape.

The water absorbent material is a net having a square mesh formed by weft threads and warp threads.

Further, a biased horizontal row of contact portions is provided above the outdoor heat exchanger, and the contact portions are brought into contact with the water absorbing material.

Further, a second roller is arranged so as to be pressed against and interlock with the upper roller of the pair of rollers, and the upper roller and the second roller are sandwiched so as to roll the water absorbing material.

A plurality of horizontal louvers having a slope lower on the propeller fan side and higher on the outdoor heat exchanger side are provided between the ascending portion and the descending portion of the water absorbent material.

Further, between the ascending portion and the descending portion of the water absorbent material, the cross-sectional shape is greater than a value where the distance from the center of rotation to the end is smaller than the distance from the center of rotation to the ascending portion. A rotor having an outer shape having a value that changes between certain values is arranged.

Further, the rotor is arranged horizontally in front of an extension of the rotation axis of the propeller fan and has a cross section of an ellipse or a triangle.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION An integrated air conditioner according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is a cross-sectional view (a) of a main part on the outdoor side and a front view (b) of the main part, taken along the line AA ′ showing an embodiment of the integrated air conditioner according to the present invention.

As shown in FIGS. 1 (a) and 1 (b), the slinger ring 31a integrally formed around the propeller fan 31 is eliminated, and instead, it is provided on the base so as to face the propeller fan 31. In the water receiving portion 2c, a water absorbing material 50, such as a form in which a non-woven fabric is attached to a frame, is provided upright. The water absorbing material 50 absorbs the drain water of the water receiving portion 2c by a capillary phenomenon and sucks it up. By the way, since the air blown by the peller fan 31 installed at the rear side acts as a strong wind on the water absorbing material 50 that is absorbing water,
The wind that has passed through the water absorbent material 50 reaches the front outdoor heat exchanger 32 with water droplets, and the water droplets are scattered. The water absorption and the spraying of water droplets are continuously performed, and the drain water is sprayed on the outdoor heat exchanger 32 to be evaporated, and the heat taken away from the outdoor heat exchanger 32 during evaporation enhances the condensation effect. Therefore, unlike the conventional case, drain water does not scatter on the ceiling (upper surface) of the baffle plate 33, and noise due to falling water drops does not occur.

FIG. 2 is a sectional view (a) of the main part of the outdoor side and a front view (b) of the main part, taken along the line AA 'showing the second embodiment of the integrated air conditioner according to the present invention. is there. Figure 2
As shown in (a) and (b), the water-absorbing material is used for the rising portion 51.
forming an annular band 51 having a and a descending portion 51b,
The annular belt 51 is stretched over a pair of upper and lower rollers 52 and 53 which supply a rotational driving force so that the belt 51 can be rotated endlessly. As the power for rotation driving, for example, a second motor 61 that drives the upper roller 52 is provided.

The operation of the second embodiment will be described below. Due to the shaft rotation of the second motor 61, the roller 5
Since 2 rotates, for example, the ring-shaped band 51 formed by connecting the nets is one of the upper roller 52 and the lower roller 53.
It rotates endlessly between a pair of rollers. That is, the ascending portion 51a of the annular band 51 of the water-absorbent material moves upward and the descending portion 51b moves downward with a continuous rotation operation. However, since the ring-shaped band 51 is immersed in the drain water of the water receiving portion 2c for a predetermined time and is sequentially transferred while absorbing and adhering the drain water, the drain water continuously moves as the ring-shaped band 51 moves upward. Be carried upwards.

On the other hand, the net-shaped annular band 51 made of a water absorbing material is arranged so as to widely cover the front surface of the propeller fan 31, and since the propeller fan 31 blows a strong wind,
The strong wind passes through the mesh of the annular band 51 and reaches the outdoor heat exchanger 32 in front. At this time, the water absorbed and attached to the net is scattered and scattered on the outdoor heat exchanger 32. Since these water absorption and spraying operations are continuously performed, the drain water is sprayed to the outdoor heat exchanger 32 one after another.

In particular, as shown in FIG. 2B, a mesh 5 having a ring-shaped band 51 in which the weft threads and the warp threads are arranged in a zigzag pattern.
In the case of 1c, the drain water that has absorbed water or adhered to the net flows down the warp of the net in the ascending portion 51a, but reaches a horizontal weft that intersects in a T-shape, and a large amount of drain water collects on this horizontal weft. Or, it becomes a state of falling as water drops. The strong wind supplied by the propeller fan 31 easily blows off the drain water accumulated in the weft thread or the water droplets that are falling, so that the water droplets can be efficiently dispersed. still,
In order to efficiently carry out the spraying operation of the drain water to the outdoor heat exchanger 32, the second motor 61 of the second motor 61 is arranged so that the ascending portion 51a of the annular band 51 is on the front side, that is, the outdoor heat exchanger 32 side. It is better to set the axis rotation direction.

FIG. 3 is a sectional view and a partially enlarged view of the essential parts showing the third to sixth embodiments of the integrated air conditioner according to the present invention. The third embodiment (a) and the fourth embodiment (b. ), A fifth embodiment (c), and a sixth embodiment (d).

As shown in the third embodiment (a) of FIG. 3, a biased horizontal row of contact portions 32a is provided above the outdoor heat exchanger 32. By slightly abutting the contact portion 32a on the upper portion 51a of the annular band 51 made of the water absorbing material, the drain water absorbed in the net (water absorbing material) or adhering to the mesh is squeezed and is transmitted through the contact portion 32a. It flows down to the upper part of the outdoor heat exchanger 32. Therefore, in addition to the drain water spraying action of the second embodiment of FIG. 2, the drain water is directly supplied to the outdoor heat exchanger 32 from the contact portion 32a.

As shown in the fourth embodiment (b) of FIG. 3, 1
The second roller 52a is arranged so as to interlock with the upper roller 52 of the pair of rollers 52, 53 by pressing.
And the second roller 52a sandwiched the annular belt 51 so as to roll it. Therefore, since the annular band 51 is strongly squeezed at the upper end of the ascending portion 51a, the drain water that has absorbed or adhered to the annular band 51 made of a net (water absorbing material) is squeezed into water droplets, and the propeller fan of FIG. The strong wind supplied by 31 reliably sprays the heat to the outdoor heat exchanger 32. Further, since the descending portion 51b is sufficiently squeezed and has a small amount of water, the annular belt 51 can absorb and attach a large amount of drain water when immersed in the drain water of the water receiving portion 2c, resulting in efficient drainage. Water can be transferred upward.

As shown in the fifth embodiment (C) of FIG. 3, the rising portion 5 of the annular belt 51 made of a water absorbing material, such as a net, is used.
Between the 1a and the descending portion 51b, a horizontal louver 54 having an inclination that the height of the outdoor heat exchanger 32 side becomes higher is provided. As a specific arrangement position, for example, the horizontal louver 54 is arranged slightly below the upper roller 52. In the case of this embodiment, the upper range part of the strong wind supplied by the propeller fan 31 passes through the horizontal louver 54 and is blown up obliquely upward. By the way, an ascending portion 51a of the annular band 51 is arranged in front of the horizontal louver 54, and the strong wind that blows upward acts to cause the drain water of the ascending portion 51a to be scattered obliquely upward. for that reason,
The drain water also scatters and adheres to the uppermost part of the outdoor heat exchanger 32. As compared with the case where the horizontal louver 54 is not provided, the drain water can be sprayed to the outdoor heat exchanger 32 in a wider range, and the efficiency of heat exchange can be improved.

As shown in the sixth embodiment (2) of FIG. 3, between the ascending portion 51a and the descending portion 51b of the annular belt 51,
The cross-sectional shape is such that the distance from the center of rotation to the end changes between a value that is smaller than the distance from the center of rotation to the rising portion and a value that is larger than the distance from the rotation center to the rising portion. The rotor 55 is arranged. When the rotor 55 is rotationally driven by a drive system (not shown), the upstream portion 51a is pushed forward in the front and rear of the position where the outer shape of the rotor is the maximum from the rotation center, and the outer shape of the rotor is the minimum position from the rotation center. Before and after, the ascending portion 51a returns to its original position due to the tension of the annular band 51. That is, when the rotor 55 rotates, contact and non-contact with the ascending portion 51a are repeated in a constant cycle to periodically vibrate the ascending portion 51a back and forth. Therefore, the vibration acts to more shake off the drain water in the ascending portion 51a, so that the amount of splashing increases.

Further, the rotor 55 is horizontally arranged in front of the rotation axis of the propeller fan 31 shown in FIG. 1 and has a cross section of an ellipse or a triangle. Even with this configuration, as shown in the sixth embodiment (2) of FIG. 3, since the ascending portion 51a can be periodically rocked back and forth, it is possible to increase the amount of drain water sprayed.

[0028]

As described above, according to the present invention, the drain splash due to slinger ring is abolished and, instead, the drain water is sprinkled on the outdoor heat exchanger by the strong wind supplied by the water absorbing material and the propeller fan to perform the evaporation treatment. Is. Therefore, an integrated air conditioner is provided which prevents generation of noise caused by water droplets scattered by the conventional drain splash growing on the top plate into large water droplets and falling on a rotating propeller fan.

[Brief description of drawings]

FIG. 1 is a cross-sectional view (a) of a main part on the outdoor side and a front view (b) of the main part taken along the line AA ′ showing an embodiment of an integrated air conditioner according to the present invention.

FIG. 2 is a cross-sectional view (a) of a main part of the outdoor side taken along the line AA ′ showing the second embodiment of the integrated air conditioner according to the present invention,
It is a front view of the main part (b).

FIG. 3 is a cross-sectional view and a partially enlarged view of the essential parts showing the third to sixth embodiments of the integrated air conditioner according to the present invention, showing the third embodiment (a), the fourth embodiment (b), and the The fifth example (c) and the sixth example (d) are set.

FIG. 4 is a longitudinal sectional view of an essential part showing an example of a conventional integrated air conditioner.

FIG. 5 is a cross-sectional view (a) of a main part and a front view (b) of the main part showing an example of a conventional integrated air conditioner.

[Explanation of symbols]

1 body 10 outer body 2 base 20 panels 2a Indoor heat exchanger 2b drain pan 2c Water receiver 31 Propeller fan 31a slinger ring 31b Support part 32 outdoor heat exchanger 32a contact part 33 Wind guide plate 34 Bellmouth 4 partition boards 5 Motor mount 50 water absorbing material 51 ring belt 51a upstream part 51b descending part 51c Staggered mesh 52, 53 rollers 52a second roller 54 horizontal louvers 55 rotor 6 Blower electric motor 6a, 6b both shafts 61 Second motor 7 casing 8 Sirocco fan 9 water drops

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Kazuya Funada             1116 Suenaga, Takatsu-ku, Kawasaki-shi Fuji Co., Ltd.             Through General (72) Inventor Toshiki Kanamori             1116 Suenaga, Takatsu-ku, Kawasaki-shi Fuji Co., Ltd.             Through General (72) Inventor Tadaharu Nagai             1116 Suenaga, Takatsu-ku, Kawasaki-shi Fuji Co., Ltd.             Through General (72) Inventor, Okamoto British Univ.             1116 Suenaga, Takatsu-ku, Kawasaki-shi Fuji Co., Ltd.             Through General F-term (reference) 3L050 AA05 BD05 BF03 BF07

Claims (9)

[Claims] 1. A main body is divided into an indoor side and an outdoor side by a partition plate provided on a base, an indoor side heat exchanger and a centrifugal fan facing the indoor side heat exchanger are provided, and the outdoor side heat exchanger is provided on the outdoor side. An air guide provided with an exchanger and a propeller fan provided opposite to the exchanger, a motor for driving the propeller fan and the centrifugal fan, and a substantially cylindrical bell mouth surrounding the outdoor heat exchanger and the propeller fan. A plate and a water receiver for collecting drain water are provided on the outdoor side base, and water is absorbed in the water receiving part between the propeller fan and the outdoor heat exchanger so as to face the propeller fan. The material is erected, the drain water condensed in the indoor heat exchanger is guided to the outdoor water receiving portion, and the drain water in the water receiving portion sucked up by the water absorbing material is blown by the propeller fan to the outdoor side. Steamed to a heat exchanger Integrated air conditioner to be processed. 2. The water absorbing material is formed in an annular band having an up portion and a down portion, and the annular band is stretched over a pair of upper and lower rollers supplying a rotational driving force, thereby endlessly. The integrated air conditioner according to claim 1, which is adapted to rotate. 3. The integrated air conditioner according to claim 2, wherein the water absorbing material is formed in a net shape. 4. The integrated air conditioner according to claim 2, wherein the water absorbing material is a net having a square mesh formed of weft threads and warp threads. 5. The integrated air conditioner according to claim 2, wherein a biased horizontal row of contact portions is provided on the upper portion of the outdoor heat exchanger, and the contact portions are in contact with the water absorbing material. 6. The second roller is arranged so as to be pressed against and interlock with the upper roller of the pair of rollers, and the upper roller and the second roller are sandwiched so as to roll the water absorbing material. 2. The integrated air conditioner described in 2. 7. A plurality of horizontal louvers having a slope lower on the propeller fan side and higher on the outdoor heat exchanger side are provided between an ascending portion and a descending portion of the water absorbent material.
The integrated air conditioner described. 8. The cross-sectional shape between the ascending part and the descending part of the water absorbent material is greater than a value such that the distance from the center of rotation to the end is smaller than the distance from the center of rotation to the ascending part. The integrated air conditioner according to claim 2, wherein a rotor having an outer shape having a value that changes between certain values is provided. 9. The integrated air conditioner according to claim 8, wherein the rotor is horizontally disposed in front of an extension of the rotation axis of the propeller fan and has a cross section of an ellipse or a triangle.