CN1272580C

CN1272580C - Air conditioner

Info

Publication number: CN1272580C
Application number: CNB2004100312387A
Authority: CN
Inventors: 小林淳; 小关正雄; 冈田晃; 大滨靖程
Original assignee: Sanyo Electric Co Ltd; Sanyo Air Conditioners Co Ltd
Current assignee: Sanyo Electric Co Ltd; Sanyo Air Conditioners Co Ltd
Priority date: 2003-03-28
Filing date: 2004-03-26
Publication date: 2006-08-30
Anticipated expiration: 2024-03-26
Also published as: JP2004294021A; KR100541302B1; KR20040084985A; CN1542325A

Abstract

Provided is an air conditioner capable of reducing amount of drain remaining in a drain pan and suppressing the occurrence of scale and the growth of mosquitoes due to drain. This air conditioner is provided with a unit main body 7 installed in a ceiling part 6 of a building 3, a heat exchanger 18 and an air blow fan 19 stored in the unit main body 7, the drain pan 37 storing condensed water generated in the heat exchanger 18, and a drain pump 41 draining water stored in the drain pan 37. A solid object 45 reducing internal volume of the drain pan 37 is arranged in the drain pan 37.

Description

Air conditioner

Technical field

The present invention relates to equipment body and is arranged at air conditioner building courtyard portion, that have heat exchanger and blowing fan in the equipment body.

Background technology

At present, in the equipment body that is arranged at building courtyard portion, have heat exchanger and blowing fan in to establish the type air conditioner be well-known.

This air conditioner, for example extension is provided with passing away in the equipment body side, by the air after the heat exchanger heat exchange, can be imported into indoor appropriate location and be discharged to indoor via passing away, so do not influence indoor attractive in appearancely, can realize that optimal air regulates.

Shown in Fig. 5,6, establish the type air conditioner in this and comprise establishing in the panel type and establish air conditioner 71 in air conditioner 61 and the channel-type.Establish air conditioner 61 in the panel type and suck room air from the ceiling panel 62 that is arranged at below the equipment body 61A and be arranged on the ceiling.And establish air conditioner 71 in the channel-type suction passage 72 is set at the back side of equipment body 71A, sucks room air by this suction passage 72.

As shown in Figure 7, these equipment bodies 61A, 71A are provided with dividing plate 81 in casing 80, are divided into the heat exchanger chamber 83 and the supply fan room 85 that holds pressure fan and fan motor 84 of receiving heat-exchanger 82 by this dividing plate 81.Heat exchanger chamber 83 has disposed in the bottom and has received from the drain pan 86 of the condensed water of heat exchanger 82, draining pump 87 is equipped with in these drain pan 86 tops, and the suction inlet 88 of draining pump 87 is arranged on than drain pan 86 bottom surfaces 89 slightly by last position (for example with reference to patent documentation 1).

Patent documentation 1: the spy opens the 2000-283491 communique.

Summary of the invention

When operation of air conditioner, the condensed water that heat exchanger 82 takes place forms draining and is deposited in the drain pan 86.Most of draining of retaining is promoted and emits by draining pump, but because the suction inlet 88 of draining pump 87 be positioned at drain pan 86 bottom surface 89 slightly by last position, it is residual to have a small amount of draining in the drain pan 86.Residual draining is evaporated by the hot gas in the courtyard.

But unevaporated draining sometimes can remain on the bottom surface 89 for a long time in the drain pan 86, and this draining meeting that retains sometimes is attached indoor dust, and under the effect of bacterium, produces incrustation scale on the surface of drain pan 86.(also might produce mosquito.)

At this incrustation scale dry solidification, when this incrustation scale solidfied material remains near the suction inlet 88 of draining pump 87, just might be difficult to suction drain or obstruction suction inlet 88.

The present invention is in view of the above problems and exploitation, and its purpose is, provides a kind of and can reduce draining residual in the drain pan, suppresses the air conditioner of the generation of incrustation scale that this draining causes and mosquito.

In order to achieve the above object, first aspect present invention provides a kind of air conditioner, this air conditioner comprises: the equipment body that is arranged at building courtyard portion, be contained in heat exchanger and blowing fan in this equipment body, retain the drain pan of the condensed water that produces in the above-mentioned heat exchanger, discharge retains in the draining pump of the water in this drain pan, has set the solid matter that dwindles the drain pan internal capacity in above-mentioned drain pan.

Second aspect present invention provides a kind of air conditioner, this air conditioner comprises: the equipment body that is arranged at building courtyard portion, be contained in heat exchanger and blowing fan in this equipment body, retain the drain pan of the condensed water that produces in the above-mentioned heat exchanger, discharge retains in the draining pump of the water in this drain pan, the said equipment body interior is divided into heat exchanger chamber that holds above-mentioned heat exchanger and the supply fan room that holds said fan, above-mentioned drain pan is arranged on the whole bottom of heat exchanger, above-mentioned drain pan is provided with the water-accepting part and the retain recess that retain condensed water of reception from the next condensed water of hot machine interchanger, and in above-mentioned water-accepting part, set solid matter, reduce the area of the part that receives condensed water.

Third aspect present invention is in the described air conditioner of second aspect present invention, at the above-mentioned solid matter that has set the internal capacity that reduces to retain recess in the recess that retains.

Description of drawings

Fig. 1 is a side view of establishing the type air conditioner in the panel type of one embodiment of the invention;

Fig. 2 is a side view of establishing the type air conditioner in the channel-type of one embodiment of the invention;

Fig. 3 is the profile of equipment body of the air conditioner of Fig. 2;

Fig. 4 is the plane of drain pan;

Fig. 5 is a stereogram of establishing the type air conditioner in the existing panel type;

Fig. 6 is a stereogram of establishing the type air conditioner in the existing channel-type;

Fig. 7 is the profile of equipment body of the air conditioner of Fig. 6.

The specific embodiment

One embodiment of the invention are described with reference to the accompanying drawings.

Fig. 1 is a side view of establishing the type air conditioner in the panel type of one embodiment of the invention.Fig. 2 is a side view of establishing the type air conditioner in the channel-type of one embodiment of the invention.Fig. 3 is the profile of equipment body of the air conditioner of Fig. 2.

Establish in the panel type shown in Figure 1 and establish type air conditioner 2 in type air conditioner 1 and the channel-type shown in Figure 2 and all suspend in midair in the roof 4 and the courtyard space 6 between the ceiling 5 that is equipped on building 3, have equipment body 7, passing away 8 and operation control electricity consumption vanning 9.

The casing 12 of the said equipment main body 7 is fixed with top board 13 in the upper edge that mutual subtend is set to four blocks of square side plates 13, in the localized immobilization of lower edge portion drain pan pressing plate 15 is arranged.In the surfaces externally and internally of these side plates 13, top board 14 and drain pan pressing plate 15 or inboard or outer surface (being outer surface in the present embodiment) be pasted with heat insulating member.

Be fixed with lifting part 16 on the side plate 13 of the casing 12 of this equipment body 7, this lifting part 16 is fixed on the lifting bolt 17 that hangs down from the roof 4 of building 3, establishes the roof 4 that type air conditioner 2 can be suspended to building 3 in type air conditioner 1 or the channel-type thereby make to establish in the panel type.

This equipment body 7 is folding and unfolding heat exchanger 18, blowing fan 19 and fan motor 20 as shown in Figure 3 in casing 12.Heat exchanger 18 is by the refrigerant piping of two refrigerant piping connectors 21 being connected equipment body 7 sides and being provided with, is connected with not shown off-premises station.The heat exchanger 18 of equipment body 7 is by the evaporation or the condensation of the cold-producing medium that imports from off-premises station, cools off or heats air in the inhalation device main body 7 as described later.

In addition, the 22 expression drainage piping connectors of the symbol among Fig. 1, Fig. 2.

Above-mentioned passing away 8 shown in Figure 1 is provided with many from equipment body 7 extensions usually.One end of each passing away 8 is inlaid in the outlet 23 that is made as one with the side plate 13A of the casing 12 of equipment body 7, and the other end is equipped with air discharge grille 24.This air discharge grille 24 is arranged on the appropriate location of ceiling 5.The rotation of the fan by equipment body 7, as described later, room air is inhaled in the equipment body 7, carries out heat-exchanged air by heat exchanger 18 and is discharged to indoor via passing away 8 from air discharge grille 24.

Establish type air conditioner 1 in the panel type shown in Figure 1 and be embedded with ceiling panel 25 in the lower openings of equipment body 7.These ceiling panel 25 middle positions have suction opening, and room air is inhaled into from this suction opening, in the introducing equipment main body 7.

In addition, establish in the channel-type shown in Figure 2 in the type air conditioner 2, side plate 13 at equipment body 7 casings 12, with the side plate 13A opposing sideplates 13B that is provided with exhaust outlet 23 on form not shown suction opening, a common suction passage 27 for example connects by Rose Box 26 and is arranged on this side plate 13B.One end of suction passage 27 is embedded with and sucks grid 28, and this suction grid 28 is arranged on the appropriate location of ceiling 5.Room air enters from this suction grid 28, is inhaled in the equipment body 7 via suction passage 27.

Establish the lower openings of the equipment body 7 of type air conditioner 2 in the channel-type and close (lower openings of establishing the equipment body 7 of type air conditioner 1 in the panel type is opened) by deep bead 31.In the present embodiment, the outside of this deep bead 31 also is pasted with heat insulating member.As shown in Figure 2, above-mentioned Denso case 9 is installed in the side plate 13 of equipment body 7 and does not set on the side plate 13C of passing away 8 or suction passage 27.

As shown in Figure 3, in the casing 12 of equipment body 7, be divided into heat exchanger chamber 33 that holds indoor heat converter 18 and the supply fan room 34 that holds fan and fan motor by dividing plate 32.This dividing plate 32 is fixed on the top board 14 by not shown self-tapping screw.

Protrude the reinforcement welding bead 35 that is formed with the extension of T font on the dividing plate 32 and expand, offer air outlet 36 simultaneously.Strengthen welding bead 35 owing to form, the intensity of dividing plate 32 increases.The installation site of air outlet 36 corresponding fans and forming will import in the heat-exchanging chamber 33 from the wind of fan.

Disposed drain pan 37 in the bottom of heat-exchanging chamber 33, this drain pan 37 is covered by drain pan pressing plate 15.Drain pan 37 is generally formed by Foamexes such as foamed styrenes.Drain pan pressing plate 15 and the deep bead 25 the same rectangles that roughly form.

The edge part 15E of drain pan pressing plate 15 all is fixed on the dividing plate 32 with self-tapping screw etc. together with the edge part of deep bead 25.Three opposite side edge part 15F of drain pan pressing plate 15 are fixed on

side plate

13A, 13C, the 13D of casing 12 with self-tapping screw etc.Three opposite side edge parts of deep bead 25 are fixed on

side plate

13B, 13C, the 13D of casing 12 with self-tapping screw.

Above-mentioned drain pan 37 is along the almost entire portion setting of heat exchanger 33 bottoms, and shown in Fig. 3,4, what be formed with the plane water-accepting part 44 of the condensed water that receives automatic heat-exchanger 18 and retain condensed water retains recess 38.Water-accepting part 44 is directed downwards inclination to retaining recess 38.Leave the position of heat exchanger 18 and lay the solid matter 45 that foamed styrene is made in water-accepting part 44, laying reduces the volume of water-accepting part 44 thus, and heat exchanger 18 belows only form to the water route that retains recess 38.Solid matter 45 is covered by lid 46.

Above-mentionedly retain the end that recess 38 is located at drain pan 37, retain draining temporarily, retain recess 38 inboards and dispose float switch, the top disposes draining pump 41.Above-mentioned float switch 39 detects the water level that retains recess 38, when water level reaches assigned position, makes draining pump 41 work.Above-mentioned draining pump 41 its outlets are connected above-mentioned drainage piping connector 22,, are located at than the bottom that retains recess 38 slightly by last position in retaining recess 38 as the suction inlet 43 that enters the mouth.In retaining recess 38, below draining pump 41, the configuration section of float switch 39 reaches in the face of the position beyond the part of water-accepting part 44, lays foamed styrene system solid matter 45, lays the volume that reduces to retain recess 38 thus.Solid matter 45 is covered by lid 47.

The condensed water that indoor heat converter 18 produces forms draining, splashes into the water-accepting part 44 of drain pan 37.Draining is promoted by draining pump 41 after remaining in and retaining recess 38, forces to discharge via the drainage piping that is connected drainage piping connector 22 (not shown).

Effect below the drain pan of Gou Chenging has played like this.

Because the internal volume of water-accepting part 44 reduces, the condensed water that flows down in the heat exchanger is after dropping in water-accepting part 44, and indiffusion but flow at once and retain recess 38, and the surface of water-accepting part 44 becomes dry easily, can make in the water-accepting part 44 to keep clean.

Reduce because retain the internal volume of recess 38, the water surface that retains recess 38 rises rapidly, makes very fast motion of draining pump.Below the suction inlet 43 of draining pump 41, retain 38 drainings that stay seldom of recess,, retain recess 38 contents and easily become dry, can suppress the generation of incrustation scale and mosquito because the water yield is few.

Reduce because retain the internal volume of recess 38, the size of incrustation scale is restricted.Like this, the solid matter that this incrustation scale forms can not stop up the suction inlet 43 of draining pump 41, but is sucked and be discharged from draining by draining pump 41, so can avoid the fault of draining pump 41.

More than describe the present invention based on the above embodiments, but the invention is not restricted to this.

As mentioned above, according to air conditioner of the present invention, because reduced to be configured in the volume of the drain pan of heat-exchanging chamber bottom, so can reduce the residual water yield in the drain pan, the drain pan content easily becomes dry, and can suppress the generation of incrustation scale and mosquito, can keep the cleaning in the drain pan.

Claims

1. air conditioner, it comprises: be arranged at building courtyard portion equipment body, be contained in heat exchanger and blowing fan in this equipment body, retain the condensed water that produces in the described heat exchanger drain pan, discharge the draining pump that retains in the water in the described drain pan, it is characterized in that: be equipped with the solid matter that reduces described drain pan internal volume in the described drain pan.

2. air conditioner, it comprises: the equipment body that is arranged at building courtyard portion, be contained in heat exchanger and blowing fan in this equipment body, retain the drain pan of the condensed water that produces in the above-mentioned heat exchanger, discharge retains in the draining pump of the water in this drain pan, the said equipment body interior is divided into heat exchanger chamber that holds above-mentioned heat exchanger and the supply fan room that holds said fan, above-mentioned drain pan is arranged on the whole bottom of heat exchanger, it is characterized in that: above-mentioned drain pan is provided with the water-accepting part of the condensed water that receives automatic heat-exchanger and retains the recess that retains of condensed water, and in above-mentioned water-accepting part, set solid matter, reduce the area of the part that receives condensed water.

3. as claim 2 described air conditioners, it is characterized in that: at the above-mentioned solid matter that has set the internal volume that reduces to retain recess in the recess that retains.