CN1782515A - Indoor unit of air conditioner - Google Patents

Abstract

The present invention provides an indoor unit of air conditioner, which has axial fan set in the air passage inside the casing to raise air blowing efficiency and cooling and heating efficiency with a simple structure. It includes a casing with side air sucking port and opened top, a diffuser capable of being lifted on the casing and with air exhaust port, an axial fan set inside the casing to force airflow from the air sucking port to the air exhaust port, and a heat exchanger set in the air sucking port for heat exchange of air through the axial fan.

Description

Indoor machine of air-conditioner

Technical field

The present invention relates to indoor machine of air-conditioner, the air duct that particularly relates in the casing is provided with aerofoil fan to improve the air conditioner room unit of air-supply efficient even cooling and warming efficient with simple structure.

Background technology

Generally speaking, for more comfortable indoor environment is provided to the user, the refrigerant cooling and heating circulation system that the air-conditioner utilization is made of compressor, condenser, expansion mechanism, evaporimeter provides refrigeration, heats or purifies air to indoor.Air-conditioner is broadly divided into detachable air conditioner and integral air conditioner.

Detachable air conditioner is identical on function with package AC plant.But detachable air conditioner is at the indoor indoor set that cooling/heat release function is set, and at the outdoor off-premises station that heat release/cooling and compression function are set, two devices of separation interconnect with the refrigerant conduit; Package AC plant is the function integration of cooling, heat release and compression, directly is provided with by burrowing on the wall in room or hang the complete machine device on window.

As Fig. 5 and shown in Figure 6, the air conditioner room unit of prior art comprise chassis [base] 2, the upside setting on chassis 2 and be formed with air suction inlet 6 and the casing 10 of air outlet 8, be arranged on casing 10 inside make air suction inlet 6 suck air after at the pressure fan 20 of discharging be arranged on the heat exchanger 30 that casing 10 is inner and handle blows air and refrigerant carry out heat exchange by air outlet 8.

Casing 10 is by the chassis body 12 that is arranged on chassis 2 rear upsides and open at its front and be arranged on chassis 2 the place ahead upsides and the bottom is formed with the front panel 14 that air suction inlet 6, top be formed with air outlet 8 and constitutes.

Pressure fan 20 is arranged on casing 10 lower inside and adjacent air suction inlet 6.

Heat exchanger 30 is arranged on the inside upper part of casing 10 and is positioned at pressure fan 20 upsides, the drip tray [drain pan] 32 of the condensed water that gathering falls from heat exchanger 30 surfaces is installed between heat exchanger 30 and the pressure fan 20, is formed with on the drip tray 32 to indoor set is outside and discharges the condensed water assembled and to the outside scupper hose 34 that extends of indoor set.

In the air conditioner room unit of above-mentioned prior art,, discharged to the place ahead, top of indoor set by air outlet 8 after the heat exchanger 30 cooling/heating by air suction inlet 6 inhaled airs if pressure fan 20 drives.

But, in the air conditioner room unit of above-mentioned prior art, pressure fan 20 is made of the centrifugal fan structure that sucks air from side, the place ahead and discharge to upside, so load increases when pressure fan operates, existing increases electric power consumes the shortcoming that reduces air-supply efficient simultaneously.

Summary of the invention

The present invention is for the shortcoming that solves above-mentioned prior art and exist proposes, and its objective is that providing a kind of can suck air from the both sides of casing and discharge and air duct in the centre is provided with aerofoil fan and increases air-supply efficient to carry out the indoor machine of air-conditioner of effective cooling and warming three of upside.

In order to achieve the above object, indoor machine of air-conditioner of the present invention is characterised in that: comprise the casing that the side is formed with air suction inlet, opens above, liftably be arranged on open top of casing and be formed with the diffuser of air outlet, be arranged in the casing and from air suction inlet to the aerofoil fan of air outlet forced flow air be arranged on the air suction inlet of casing heat exchanger inboard and that the air that aerofoil fan blows is carried out heat exchange.

The indoor machine of air-conditioner of the present invention of above-mentioned formation forms the air flow structure that can suck air and carry out three discharges at upside from the both sides of casing, meanwhile, the median air passage of casing is provided with the aerofoil fan of suitable size, so can increase air-supply efficient, carry out more effective cooling and warming running.

Description of drawings

Fig. 1 is the oblique view in the air conditioner room unit running of the present invention.

Fig. 2 is that air conditioner room unit of the present invention operates the oblique view when stopping.

Fig. 3 is the exploded perspective view of air conditioner room unit of the present invention.

Fig. 4 is the profile of air conditioner room unit internal structure of the present invention.

Fig. 5 is the oblique view of the air-conditioner of prior art.

Fig. 6 is the exploded perspective view that the air-conditioner front panel of prior art separates.

The description of symbols of major part among the figure:

50: the chassis, 52: the chassis installation portion,

54: drip tray, 55: scupper hose,

60: casing, 61: the right side casing,

62: the left side casing, 63: the front lower panel,

64: the front upper panel, 65: the right side sucks grid,

66: the left side sucks grid, and 70: diffuser,

72: diffuser body, 74: the shutter eyelid retractor,

76: shutter, 78: top cover,

80: wind pushing mechanism, 82: side plate,

84: aerofoil fan, 86: fan electromotor,

88: motor base, 90: heat exchanger,

90a: the refrigerant pipe, 91: the right side heat exchanger,

92: the left side heat exchanger, 93: front cover,

94: back side lid, 95: heat exchanger rear analog bracket,

96: heat exchanger the place ahead analog bracket, 100: the diffuser guider,

110: lowering or hoisting gear, 112: motor,

114: pinion, 116: tooth bar.

The specific embodiment

Embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is the oblique view in the air conditioner room unit running of the present invention, Fig. 2 is that air conditioner room unit of the present invention operates the oblique view when stopping, Fig. 3 is the exploded perspective view of air conditioner room unit of the present invention, and Fig. 4 is the profile of air conditioner room unit internal structure of the present invention.

As shown in Figures 1 to 4, the formation of indoor machine of air-conditioner of the present invention includes chassis [base] 50, be arranged on the chassis 50 and two sides are formed with the casing 60 of air suction inlet 60a, 60b and top opening separately, it is inboard and be positioned at the heat exchanger 90 of drip tray 54 upsides to be arranged on casing 60, be arranged on the upside of heat exchanger 90 and be positioned at the wind pushing mechanism 80 of casing 60 inboards, and liftably be arranged on casing 60 diffuser [diffuser] 70 inner and that come in and go out above by casing 60.

Chassis 50 is made of chassis installation portion [base install] 52 and drip tray 54, and chassis installation portion 52 is provided with and is installed in casing 60 lower ends.The condensed water that drip tray 54 falls from heat exchanger 90 for gathering is formed on the central authorities above the chassis installation portion 52, and the periphery of drip tray 54 is higher than heat exchanger 90 lower end positions.

And chassis 50 also comprises and the lateral edge position is installed than isolated part 58 outstanding around the installation portion 52, and indoor machine of air-conditioner and indoor wall or other furniture etc. are separated.

Casing 60 by the right side casing 61 that is formed with right side air suction inlet 60a, be formed with left side air suction inlet 60b left side casing 62, be arranged on right side casing 61 and left side casing 62 front lower front lower panel 63 and be arranged on right side casing 61 and the front upper panel 64 of the front upper of left side casing 62 constitutes.Be provided with the right side on air suction inlet 60a, the 60b of right side casing 61 and left side casing 62 separately and suck grid 65 and left side suction grid 66.

Right side casing 61 is bent to form its back side portion, right side face and right side front face for the back side and a part of outward appearance of right flank and front that forms indoor machine of air-conditioner, and is fixed on above the chassis installation portion 52.And for the scupper hose 55 on making the refrigerant pipe 70a that connects heat exchanger 70 and being connected drip tray 54 to the extension of the outside of indoor set 1 and overleaf subordinate's side formation refrigerant pipe and flexible pipe through hole 61a.

Left side casing 62 is bent to form the facial and left side front face in its left side for left surface and the front part outward appearance that forms indoor machine of air-conditioner, and be fixed on chassis installation portion 52 above.

Front upper panel 64 is equipped with the display part 64a that shows the indoor machine of air-conditioner operation information, and the rear of front upper panel 64 is equipped with the electrical equipment control portion that comprises the operation of control air-conditioner.Control part is made of main printed circuit board 64b and auxiliary printing circuit board 64c, and is vertically set between right side casing 61 front faces and left side casing 62 front faces.

Front lower panel 66 be fixed on chassis installation portion 52 above.

Heat exchanger 90 constitutes and comprises and be arranged on the right side heat exchanger 91 that casing 61 next doors in right side tilt to casing 60 inboard central authorities more to downside more, be arranged on the left side heat exchanger 92 that casing 62 next doors, left side tilt to casing 60 inboard central authorities more to downside more, for the gap, front of sealing right side heat exchanger 91 and left side heat exchanger 92 is installed in the front cover 93 of right side heat exchanger 91 and left side heat exchanger 92 fronts and the back side lid 94 that is installed in the right side heat exchanger 91 and left side heat exchanger 92 back sides for the back gap of sealing right side heat exchanger 91 and left side heat exchanger 92.Be connected refrigerant pipe 90a at least one in right side heat exchanger 91 and the left side heat exchanger 92, and refrigerant pipe 90a be fixed on casing 60 back side portion front stationary heat exchangers rear analog bracket [bracket] 95 and fixedly on the place ahead analog bracket 96 of the front face back side stationary heat exchangers of casing 60.And refrigerant pipe 90a lower end is positioned at the upside of drip tray portion 54 and is installed in the inside of casing 60.

Wind pushing mechanism 80 is arranged on the upside of heat exchanger 90, makes by heat exchanger 90 to carry out the air of heat exchange to the air-supply of the top of casing 60.Wind pushing mechanism 80 is by being installed in the casing 60 and above-below direction forms the side plate 82 of air-supply passage, the aerofoil fan 84, the rotating shaft that are positioned at side plate 82 inboards and is inserted in the fan electromotor 86 on the aerofoil fan 84 and constitutes at the motor base [mounter] 88 of casing 60 internal fixation fan electromotors 86.

The last face closure of diffuser 70, when it is descended sealing casing 60 above.The front of diffuser 70 and two sides are open, and the back side is closed.So, guiding undertaken by heat exchanger 90 air that blows to casing 60 inside upper part after the heat exchange by front air outlet 70a, left surface air outlet 90b and right flank air outlet 70c to three discharges.

In addition, indoor machine of air-conditioner also comprise be arranged on casing 60 tops and for lifting diffuser 70 design by central upper and lower opening with the diffuser guider 100 of guiding diffuser 70 liftings and the lowering or hoisting gear 110 of lifting diffuser 70.

Diffuser 70 is to be made of the shutter supporter [louversuportor] 74 that supports by the diffuser body of lowering or hoisting gear 110 liftings [diffuserbody] 72, by diffuser body 72, be separated by up and down on shutter supporter 74 a plurality of horizontal louvres 76 of installing and the top cover 78 that is arranged on above the horizontal louvres 76.

Shutter supporter 74 is by upwards holding up upper panel 74a that top cover 78 and back side portion be closed, projecting upwards in four edges, upper panel 74a bottom surface and be fixed on above the diffuser body 72 and a plurality of shutter insertion parts 74c that are formed with the insertion groove 74b that inserts horizontal louvres 76 parts of being separated by up and down constitute.

Horizontal louvres 76 is to form with four jiaos of hook-like, and a part is inserted in the insertion groove 74b of shutter insertion parts 74c, and cuts a side both sides can be fixed on a plurality of shutter insertion parts 74c by elastic force after strutting.

Lowering or hoisting gear 110 be by be installed in motor 112 on the diffuser guider 100, be installed in pinion [pinion] 114 on motor 112 rotating shafts, the back side of diffuser body 72 front side above-below direction form more longways and and the tooth bar [rack] 116 of pinion 114 engagements constitute.

The following describes the effect of the air conditioner room unit of the present invention of above-mentioned formation.

At first, if operating air conditioner air conditioner indoor machine operation, then the compressor of drive installation on the off-premises station that connects refrigerant pipe 90a drives wind pushing mechanism 80 again, diffuser 70 by lowering or hoisting gear 110 to casing 60 upside liftings.

In the time of driven compressor, refrigerant flows in the right side heat exchanger 91 of heat exchanger indoor unit 90 and the left side heat exchanger 92, and, when the aerofoil fan 84 of wind pushing mechanism 80 drives, the air of casing 60 both sides by casing 60 the right side and left side air suction inlet 60a and 60b to be drawn into casing 60 inner and lowered the temperature/heat by heat exchanger 90.

Air front air outlet 70a, left surface air outlet 70b and the right flank air outlet 70c by diffuser 70 after the air-supply of casing 60 inside upper part that lower the temperature/was heated by heat exchanger 90 discharges to three directions of upside of casing 60.

In addition, heat exchanger 90 carries out in the process of heat exchange, and the condensed water that the surface of right side heat exchanger 91 and left side heat exchanger 92 generates falls and gathers on the horizontal card of drip tray 54, and discharges to the outside of indoor set by scupper hose 55.

And the indoor machine of air-conditioner running stops, and then the compressor of off-premises station and wind pushing mechanism 80 stop to drive, and diffuser 70 is descended by the inboard of lowering or hoisting gear 110 to casing 60, above the sealing casing 60.

That is, indoor machine of air-conditioner prevents by casing 60 from top intrusion foreign matter because of the decline of diffuser 70, and its whole reduced height, so be easy to carrying or keeping.

Particularly, be provided with the wind pushing mechanism 80 that comprises aerofoil fan 84 between heat exchanger 90 and the diffuser 70 in the casing 60,, reduce power consumption simultaneously so increase the air capacity to air outlet 90a, 90b, 90c discharge by air suction inlet 60a, 60b.

Promptly; wind pushing mechanism of the present invention is under the cross-sectional area situation much at one of guaranteeing air duct in the casing 60 between heat exchanger 90 and the diffuser 70; the aerofoil fan 82 of suitable size can be set on its passage; running makes by heat exchanger 90 leaked-in airs and directly discharges, so can improve corresponding air-supply efficient under the state of flow resistance minimum to diffuser 70 1 sides.

Claims (4)

1, a kind of indoor machine of air-conditioner, it is characterized in that the casing that comprises that the side is formed with air suction inlet, opens above, liftably be arranged on open top of casing and be formed with the diffuser of air outlet, be arranged in the casing and from air suction inlet to the aerofoil fan of air outlet forced flow air be arranged on the air suction inlet of casing heat exchanger inboard and that the air that aerofoil fan blows is carried out heat exchange.

2, indoor machine of air-conditioner according to claim 1 is characterized in that aerofoil fan is arranged on the upside of heat exchanger.

3, indoor machine of air-conditioner according to claim 1 is characterized in that being provided with side plate around the aerofoil fan.

4, according to the indoor machine of air-conditioner described in the claim 1,2 or 3, it is characterized in that the aerofoil fan axle is combined on the rotating shaft of fan electromotor, fan electromotor is installed on the motor chassis fixing in the casing.

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