CN1301385C

CN1301385C - Indoor unit of air conditioner

Info

Publication number: CN1301385C
Application number: CNB2003801006772A
Authority: CN
Inventors: 寺田祐一
Original assignee: Daikin Industries Ltd
Current assignee: Daikin Industries Ltd
Priority date: 2002-12-02
Filing date: 2003-11-20
Publication date: 2007-02-21
Anticipated expiration: 2023-11-20
Also published as: JP4341233B2; CN1692254A; JP2004183953A

Abstract

the object of invention is to provide an indoor unit of an air conditioner capable of increasing the degree of freedom of the layout of an auxiliary pipe. It comprises a cross flow fan 71, an indoor heat exchanger 50, the auxiliary pipe 51, and an indoor fan motor 72. The cross flow fan 71 is formed in a cylindrical shape. The indoor heat exchanger 50 is disposed to be opposed to the circular surface of the cross flow fan 71. The auxiliary pipe 51 extends from the side face of the indoor heat exchanger 50 to the outside. The indoor fan motor 72 is disposed parallel with the cross flow fan 71 in the rotating axis direction thereof and rotatingly driving the cross flow fan 71. Then the auxiliary pipe 51 extends to a position beyond the indoor fan motor 72 in the rotating axis direction.

Description

The indoor set of air conditioner

Technical field

The present invention relates to the indoor set of air conditioner.

Background technology

The indoor set of air conditioner has Air Blast fan, motor and heat exchanger, by heat exchanger to indoor conveying air.Motor is used for rotating and drives Air Blast fan, and Air Blast fan and motor in most of the cases are provided on the rotating shaft direction of Air Blast fan side by side.

In addition, in the indoor set of the air conditioner that has, have first drain pan and second drain pan and the communication paths of the condensed water that reception drips down from heat exchanger front end and rear end.Communication paths is the path that is used to be communicated with first drain pan and second drain pan.Owing to have such communication paths, therefore, can gather in any one drain pan or in the communication paths by the condensed water of first drain pan and the reception of second drain pan, and outside machine, discharge.

In the past, this communication paths in most of the cases was configured between Air Blast fan and the motor in the plane.In other words, in most of the cases, overlook state (observing), Air Blast fan, communication paths and motor from the plane, according to the order of Air Blast fan, communication paths, motor, be configured in the rotating shaft direction (opening the 2001-221497 communique) of Air Blast fan successively with reference to the spy.

On the other hand, in the indoor set of air conditioner, condensed water not only can drip down from heat exchanger, but also the auxiliary pipe arrangement that can extend from heat exchanger side towards the outside drips down.Therefore, dispose the motor cover that is used to cover motor below auxiliary pipe arrangement, the protection motor is avoided the influence of condensed water.But, brought the handling problem that drops onto the condensed water on the motor cover so again.As mentioned, in the plane, when the rotating shaft direction of Air Blast fan disposes Air Blast fan, communication paths and motor successively, be necessary to suppress to drip on the motor cover condensed water flowing laterally, i.e. flowing to the opposite side of configuration Air Blast fan one side.In order to suppress condensed water flowing laterally, on motor cover, be provided with the condensed water that guiding drips down, make rib that condensed water do not flow laterally etc., still, this has caused the complex-shaped of motor cover, has also raised manufacturing cost simultaneously.

Summary of the invention

The purpose of this invention is to provide the simple formation of a kind of usefulness and can handle the indoor set of the air conditioner of condensed water.

The indoor set of the air conditioner of the present invention's first invention record comprises: Air Blast fan, heat exchanger, auxiliary pipe arrangement, motor, motor cover, first drain pan, second are let out dish and communication paths.Air Blast fan has drum, its rotating shaft approximate horizontal ground configuration.Heat exchanger disposes in the mode that covers the Air Blast fan top, and is opposed with the periphery of Air Blast fan.Auxiliary pipe arrangement extends laterally from the side of heat exchanger.Motor and Air Blast fan are configured on the rotating shaft direction side by side, and rotation drives Air Blast fan.Motor cover is configured in the below of auxiliary pipe arrangement, covers motor.Clip Air Blast fan before and after first drain pan and second drain pan are configured to, be used to receive the condensed water that drips down from heat exchanger.In the plane, communication paths and motor cover are configured on the rotating shaft direction side by side, are communicated with first drain pan and second drain pan.Air Blast fan, motor and communication paths, in the plane, successively according to the arranged in order of Air Blast fan, motor, communication paths in the rotating shaft direction.

In the indoor set of this air conditioner, because in the plane, Air Blast fan, motor and communication paths are configured in the rotating shaft direction in turn, and therefore, even the condensed water that drips on the motor cover that covers motor flows laterally, communication paths also can receive this condensed water.And then, in the indoor set of this air conditioner, can handle condensed water with simple formation.

The indoor set of the air conditioner of second aspect present invention record, the indoor set according to the air conditioner of first aspect record also comprises the electric part box that holds electric component.And, Air Blast fan, motor, communication paths and electric part box, in the plane, successively according to the arranged in order of Air Blast fan, motor, communication paths and electric part box in the rotating shaft direction.

In the indoor set of this air conditioner, between electric part box and motor, be provided with communication paths.Therefore, utilize communication paths to receive the condensed water that drips on the motor cover, can suppress condensed water flowing on electric part box.Therefore, in the indoor set of this air conditioner, can suppress condensed water flowing on electric part box with simple formation.

The indoor set of the air conditioner of third aspect present invention record according to first or the indoor set of the air conditioner of second aspect record, also comprises the condensed water that will drip on the motor cover water guide path to the communication paths guiding.

In the indoor set of this air conditioner, the condensed water that drops onto on the motor cover can be guided to communication paths by the water guide path.Therefore, in the indoor set of this air conditioner, can more effectively handle condensed water.

The indoor set of the air conditioner of fourth aspect present invention record, in first the indoor set of air conditioner of arbitrary record to the third aspect, auxiliary pipe arrangement extends to the top of communication paths.

In the indoor set of this air conditioner, auxiliary pipe arrangement extends to the top of communication paths.In other words, auxiliary pipe arrangement not only is positioned on the motor cover, extends to the communication paths place but also cross motor cover.Therefore, in the indoor set of this air conditioner, enlarge the space that is provided with of auxiliary pipe arrangement, can improve the free degree that is provided with of auxiliary pipe arrangement.

The indoor set of the air conditioner of fifth aspect present invention record, according to the indoor set of the air conditioner of the arbitrary record in first to fourth aspect, communication paths is positioned at the following position of rotating shaft height of Air Blast fan.

In the indoor set of this air conditioner, communication paths is positioned at the following position of rotating shaft height of Air Blast fan, is in position lower in the indoor set of air conditioner, therefore, can reduce the position of first drain pan and second drain pan, and then the position that also can reduce heat exchanger.Therefore, can make the compact in size of short transverse of the indoor set of air conditioner.

The indoor set of the air conditioner of sixth aspect present invention record, according to the indoor set of the air conditioner of the arbitrary record in first to the 5th aspect, first drain pan, communication paths and second drain pan form one.

In the indoor set of this air conditioner, first drain pan, communication paths and second drain pan that receive condensed water form one.If they form separately and are bonded together, the possibility that then has condensed water to leak from the bonding part.But, in the indoor set of this air conditioner, because these parts are formed one, so, can reduce the possibility that water leaks takes place.

The indoor set of the air conditioner of seventh aspect present invention record, the indoor set according to the air conditioner of the 6th aspect record also comprises the Drainage Division.The Drainage Division is provided with osculum, and this osculum is used for discharging condensed water from first drain pan, communication paths and second drain pan to the outside.And first drain pan, communication paths, second drain pan and Drainage Division form one.

Condensed water is not limited to flow to first drain pan, communication paths and second drain pan, also can flow to the Drainage Division of discharging condensed water from these parts to the outside.Therefore, under the situation that this Drainage Division and communication paths form separately and engage, possible that condensed water leaks from this bonding part arranged also.

But, in the indoor set of this air conditioner, because first drain pan, communication paths, second drain pan and Drainage Division form one.So, can further reduce the possibility that water leaks takes place.

The indoor set of the air conditioner of eighth aspect present invention record, according to the indoor set of the air conditioner of first aspect record, auxiliary pipe arrangement extends to the position of crossing motor along the rotating shaft direction.

The indoor set of the air conditioner that in general, has has: the heat exchanger that has the Air Blast fan of drum, relatively disposes with the periphery of Air Blast fan, be configured in being used on the rotating shaft direction side by side with Air Blast fan and rotate the motor that drives Air Blast fan.And, on heat exchanger, be connected with the auxiliary pipe arrangement that makes flow of refrigerant.As a rule, this auxiliary pipe arrangement extends laterally from the side of heat exchanger, and the outer refrigerant piping of the space, side that is set to heat exchanger and indoor set is connected (opening flat 11-173591 communique with reference to the spy).

But,,, a plurality of component parts are being disposed thick and fast for miniaturization of indoor set etc. in the inside of air conditioner indoor unit.For example, said motor mostly is configured in the space of heat exchanger side, occupies the part of heat exchanger side side space.Therefore, limited from heat exchanger side towards the outside space that is provided with of the auxiliary pipe arrangement that extends, the free degree of auxiliary pipe arrangement setting is restricted.On the other hand, from the viewpoints such as easiness of design, preferably improve the free degree that auxiliary pipe arrangement is provided with.

In the indoor set of this air conditioner, the auxiliary pipe arrangement that extends from the heat exchanger side extends to the position of crossing motor.If auxiliary pipe arrangement does not extend to the position of crossing motor, make motor be positioned at the below of auxiliary pipe arrangement, at least a portion in space, auxiliary pipe arrangement below will be occupied by motor, therefore, auxiliary pipe arrangement extension downwards will be restricted.But, in the indoor set of this air conditioner,, therefore,, also can reduce the possibility of the auxiliary pipe arrangement extension downwards of motor restriction even in this case because auxiliary pipe arrangement extends to the position of crossing motor.Therefore, in the indoor set of this air conditioner, the situation that does not extend to the position of crossing motor with auxiliary pipe arrangement is compared, and has improved the free degree that is provided with of auxiliary pipe arrangement.So, can improve the free degree that the auxiliary pipe arrangement in the indoor set of this air conditioner is provided with.

The indoor set of the air conditioner of ninth aspect present invention record, according to the indoor set of the air conditioner of eight aspect record, auxiliary pipe arrangement extends to the position of crossing motor cover along the rotating shaft direction.

In the indoor set of this air conditioner,, therefore, can reduce the possibility of motor cover to the restriction of the setting of auxiliary pipe arrangement because auxiliary pipe arrangement extends to the position of crossing motor cover along the rotating shaft direction.Therefore, can improve the free degree that the auxiliary pipe arrangement in the indoor set of this air conditioner is provided with.

The indoor set of the air conditioner of tenth aspect present invention record, according to the indoor set of the air conditioner of the 9th aspect record, communication paths is configured in the position of crossing motor cover along the rotating shaft direction.

In the indoor set of this air conditioner, communication paths is configured in the position of crossing motor cover, therefore, even under the situation that condensed water drips down from the auxiliary pipe arrangement that extends to the position of crossing motor cover, communication paths also can receive the condensed water that drips down.So, in the indoor set of this air conditioner,, also can suitably handle the condensed water that drips down from auxiliary pipe arrangement even auxiliary pipe arrangement extends to the position of crossing motor cover.

Description of drawings

Fig. 1 is the outside drawing of air conditioner.

Fig. 2 is the structure chart of refrigerant loop.

Fig. 3 (a) is the front view of indoor set.

Fig. 3 (b) is the right side view of indoor set.

Fig. 4 is a right side view of upper body being unloaded down indoor set afterwards.

Fig. 5 is a vertical view of upper body being unloaded down the right side part of indoor set afterwards.

Fig. 6 is the oblique view of the right side part of indoor heat converter unit.

Fig. 7 is an indoor set right flank sectional drawing.

Fig. 8 is the right side view of lower unit.

Fig. 9 is the vertical view of the right side part of lower unit.

Figure 10 is a lower unit right flank sectional drawing.

The specific embodiment

[all formations of air conditioner]

Fig. 1 shows the outward appearance of the air conditioner 1 that adopts embodiment of the present invention one.

This air conditioner 1 has the indoor set 2 that is installed on the indoor wall etc. and is arranged on outdoor off-premises station 3.

Hold the interior heat exchanger 50 (heat exchanger) of having family in the indoor set 2, hold the outer heat-exchanger 30 of having family in the off-premises station 3, each heat exchanger 30,50 connects by refrigerant piping 4, constitutes refrigerant loop.

(the formation general introduction of the refrigerating circuit of air conditioner)

Fig. 2 shows the formation of the refrigerant loop of air conditioner 1.This refrigerant loop mainly is made of indoor heat converter 50, accumulator 31, compressor 32, four-way change-over valve 33, outdoor heat converter 30 and electric expansion valve 34.

Be arranged between indoor heat converter 50 and the air that contacts in the indoor set 2 and carry out heat exchange.In addition, in indoor set 2, also be provided with in order to suck room air and to make it carry out the Air Blast fan 71 as cross flow fan of heat-exchanged air to indoor discharge usefulness by indoor heat converter 50.This Air Blast fan 71 is made of elongated drum, is configured to its central shaft and is parallel to horizontal direction.By means of the indoor fan motor 72 (motor) that is arranged in the indoor set 2, be that the center rotation drives this Air Blast fan 71 with the central shaft.The detailed formation of indoor set 2 will be explained below.

On off-premises station 3, be provided with compressor 32, the four-way change-over valve 33 that is connected with the discharge side of compressor 32, the accumulator 31 that is connected with the suction side of compressor 32, the outdoor heat converter 30 that is connected with four-way change-over valve 33 and the electric expansion valve 34 that is connected with outdoor heat converter 30.Electric expansion valve 34 is connected with pipe arrangement 41 by filter 35 and pushswitch valve 36, and is connected with an end of indoor heat converter 50 by this pipe arrangement 41.In addition, four-way change-over valve 33 is connected with pipe arrangement 42 by pneumatic on-off valve 37, and is connected with the other end of indoor heat converter 50 by this pipe arrangement 42.This pipe arrangement 41,42 is equivalent to the refrigerant piping 4 among Fig. 1.On off-premises station 3, be provided with the air that is used for being undertaken by outdoor heat converter 30 after the heat exchange and be discharged to outside propeller fan 38.This propeller fan 38 is driven by outdoor fan motor 39 rotations.

(formation of indoor set)

Fig. 3 (a) is the front view of indoor set 2, and Fig. 3 (b) is the right side view of indoor set 2.Indoor set 2 has from the laterally long shape of top view, from top view and observe from the side, and the duotone that separates for color up and down.

Indoor set 2 mainly is made of upper body 6, lower unit 7 and the indoor heat converter unit 5 that is contained in indoor set 2 inside.Upper body 6 covers the top of indoor set 2.Lower unit 7 constitutes the bottom of indoor set 2.Upper body 6 forms with lower unit 7 is independent separately, and at off-premises station 2 in appearance, upper body 6 presents as horizontal line with the border of the part of lower unit 7.In addition, upper body 6 is different colors with the part of lower unit 7, is the boundary with the horizontal line as upper body 6 and the border of lower unit 7, forms the different duotone of color up and down.

Each formation of indoor set 2 hereinafter, is described.

(indoor heat converter unit)

Indoor heat converter unit 5, is made of indoor heat converter 50, auxiliary pipe arrangement 51 and heat exchanger holding components 52 etc. to shown in Figure 6 as Fig. 4.In addition, Fig. 4 is a right side view of upper body 6 being unloaded down the indoor set 2 under the state afterwards, and Fig. 5 is a vertical view of upper body 6 being unloaded down the indoor set 2 under the state afterwards, and Fig. 6 is the perspective view of the right side part of indoor heat converter unit 5.

(indoor heat converter)

Indoor heat converter 50 relatively disposes with the periphery of Air Blast fan 71 as shown in Figure 7, is installed with around the place ahead, top and the rear of Air Blast fan 71.In addition, Fig. 7 is the side sectional drawing of indoor set 2.Indoor heat converter 50 allows and passes through Air Blast fan 71 sides by the rotation of Air Blast fan 71 from suction inlet 601,611 inhaled airs, and and by carrying out heat exchange between the cold-producing medium of heat-transfer pipe inside.Indoor heat converter 50 is divided into four parts of heat exchanger 50d in the first indoor heat converter 50a, the second indoor heat converter 50b, the 3rd indoor heat converter 50c and the fourth ventricle.Indoor heat converter 50 constitutes to have and sees the two ends structure of the section configuration of crooked slightly inverted v-shaped downwards from the side by each

indoor heat converter

50a, 50b, 50c, 50d are bonded together respectively.

Each

indoor heat converter

50a, 50b, 50c, 50d see to have the long plate shape shape along horizontal direction separately.The heat-transfer pipe that each

indoor heat converter

50a, 50b, 50c, 50d are repeatedly turned back by two side ends and constituted by OBL a plurality of fin that heat-transfer pipe passes.Heat-transfer pipe turns back by U font heat-transfer pipe in the two side ends of each

indoor heat converter

50a, 50b, 50c, 50d.

The first indoor heat converter 50a is configured to the place ahead inclination of upper end towards indoor set 2, and is configured to cover back side top from the central authorities top of Air Blast fan 71.

The second indoor heat converter 50b, its upper end tilts towards the rear of indoor set 2, and is configured in the place ahead of the first indoor heat converter 50a.The upper end of the second indoor heat converter 50b engages with the upper end of the first indoor heat converter 50a, and the first indoor heat converter 50a and the second indoor heat converter 50b are combined into to observe from the side has the structure of inverted v-shaped.The second indoor heat converter 50b is configured to cover the top, front side from the central authorities top of Air Blast fan 71.

The 3rd indoor heat converter 50c is configured in the below of the second indoor heat converter 50b, and covers the place ahead of Air Blast fan 71.The lower end of the upper end of the 3rd indoor heat converter 50c and the second indoor heat converter 50b is bonded together angledly, forms the obtuse angle by the 3rd indoor heat converter 50c and the second indoor heat converter 50b.The 3rd indoor heat converter 50c co-altitude direction is that vertical direction is parallel, and vertical with the lower unit 7 of the lower horizontal face that covers indoor heat converter 50.In addition, the lower end of the 3rd indoor heat converter 50c is the lower end of indoor heat converter 50, the lower end of the 3rd indoor heat converter 50c, is the lower end, front side of indoor heat converter 50, be positioned at the central shaft height of Air Blast fan 71 slightly with the position.

Heat exchanger 50d is configured in the below of the first indoor heat converter 50a in the fourth ventricle, covers the rear of Air Blast fan 71.The upper end of heat exchanger 50d and the lower end of the first indoor heat converter 50a are bonded together angledly in the fourth ventricle, form the obtuse angle by the heat exchanger 50d in the fourth ventricle and the first indoor heat converter 50a.Heat exchanger 50d co-altitude direction is that vertical direction is parallel in the fourth ventricle, and vertical with the lower unit 7 of the lower horizontal face that covers indoor heat converter 50.In addition, the lower end of heat exchanger 50d is the lower end of indoor heat converter 50 rear sides in the fourth ventricle, the lower end of heat exchanger 50d in the fourth ventricle, is the rear side lower end of indoor heat converter 50, be positioned at the central shaft height of Air Blast fan 71 slightly with the position.

The 3rd indoor heat converter 50c has length identical on short transverse, the upper end of heat exchanger 50d and the position that the lower end is positioned at equal height in the 3rd indoor heat converter 50c and the fourth ventricle with the interior heat exchanger 50d of fourth ventricle.Therefore, the lower end, front side of indoor heat converter 50 is identical with rear side lower end height, is positioned at the central shaft height position slightly together with Air Blast fan 71.In addition, the lower end, front side of indoor heat converter 50 and rear side lower end extend downwardly into the position slightly same with the central shaft height of Air Blast fan 71 from the lower end, front and back of inverted v-shaped part towards vertical direction.

Heat exchanger 50d is fixed to one another by the fixed head that is separately positioned on both end sides (from the end of the left and right directions of top view) in the first indoor heat converter 50a, the second indoor heat converter 50b, the 3rd indoor heat converter 50c and the fourth ventricle, thus, be bonded into one, form indoor heat converter 50.Indoor heat converter 50 have with the formed inverted v-shaped part of the first indoor heat converter 50a and the second indoor heat converter 50b, from the first indoor heat converter 50a and the second indoor heat converter 50b lower end separately in the vertical direction section configuration combined of the straight line portion of extension downwards.Indoor heat converter 50, have opposing parallel and become the section configuration of line symmetry along front and back in the straight line of the vertical direction by the inverted v-shaped summit, the interior heat exchanger 50d of the first indoor heat converter 50a and the second indoor heat converter 50b or the 3rd indoor heat converter 50c and fourth ventricle is along the front and back symmetry.Though indoor heat converter 50 to be observing the section configuration form the inverted v-shaped that comprises above-mentioned front and back symmetry from the side,, have the shape of horizontal length from top view.The length of the length direction of the length of the length direction of indoor heat converter 50 and Air Blast fan 71 is omited together, and the side of indoor heat converter 50 roughly aligns with the side of Air Blast fan 71.

(auxiliary pipe arrangement)

Auxiliary pipe arrangement 51 links together indoor heat converter 50 and the refrigerant piping 4 that is positioned at indoor set 2 outsides, makes the flow of refrigerant of dealing between indoor heat converter 50 and the outdoor heat converter 30.Auxiliary pipe arrangement 51 is connected with the heat-transfer pipe of indoor heat converter 50 as shown in Figure 6, extends laterally from the side of indoor heat converter 50.Auxiliary pipe arrangement 51 is outstanding from the right flank of indoor heat converter 50, and is arranged in the space of indoor heat converter 50 sides.Specifically, as shown in Figure 5, auxiliary pipe arrangement 51 extends laterally from the right flank of indoor heat converter 50, and by indoor fan motor 72 and cover the motor cover 55 (motor covers of indoor fan motor 72, aftermentioned) top, cross indoor fan motor 72 and motor cover 55, extend to the top of communication paths 783 described later.Afterwards, auxiliary pipe arrangement 51 as shown in Figure 4, to the rear side of indoor set 2 and be bent downwardly a little, the outside of the motor cover 55 by covering indoor fan motor 72, further crooked upward in the rear side of indoor set 2.Then, many auxiliary pipe arrangements 51 are pooled together, cover by protection tube 53.The auxiliary pipe arrangement 51 that pools together is as Fig. 4 and shown in Figure 6, the right side of indoor heat converter 50 side space along the rear side of indoor set 2 towards below extend, in the space of the back side lower part of indoor set 2, further crooked towards the left surface of indoor set 2, be connected with refrigerant piping 4.

Heat exchanger holding components 52 is arranged near the right flank of indoor heat converter 50, as shown in Figure 4, supports indoor heat converter 50 from the inboard, simultaneously, covers indoor fan motor 72.Heat exchanger holding components 52 protection indoor fan motor 72 are avoided the influence of condensed water.The formation of this heat exchanger holding components 52 will be described hereinafter.

(upper body)

Upper body 6 constitutes the top of indoor set 2 as Fig. 3 and shown in Figure 7, is made of last front face 60, top part 61 and upside face 62,63.

Last front face 60 covers the preceding upper lateral part of indoor set 2, and covers the place ahead of indoor heat converter 50.Last front face 60 is probably made smooth structure, and its part is provided with step.Be provided with the front suction inlet 601 that constitutes by slit-shaped openings above the step at this along the length direction of indoor set 2.Front suction inlet 601 is provided with towards the top of indoor set 2.

Top part 61 covers the end face of indoor set 2, and covers the top of indoor heat converter 50.Top part 61 is provided with the end face suction inlet 611 that is made of a plurality of groove shape openings.This end face suction inlet 611 is arranged to be cross over rear side from the front side of top part 61, and it sucks the suction area of area greater than front suction inlet 601.Therefore, also can suck sufficient air from the end face rear side of indoor set 2.

Upside face 62,63 covers the top, side of indoor set 2, and covers the side of indoor heat converter 50.Upside face 62,63 is divided into upper right side facial 62 and upper left side face 63, and upper right side face 62 is configured in the right side side of indoor heat converter 50 from top view, and upper left side face 63 is configured in the left side side of indoor heat converter 50.

In addition, the lower end of upper body 6 flatly forms, and upper body 6 is covered by lower unit 7, and thus, the border of upper body 6 and lower unit 7 is as horizontal line, and the top view and the side that are presented on indoor set 2 are observed in appearance.

(lower unit)

Lower unit 7 constitutes the bottom of indoor set 2, as Fig. 8 and shown in Figure 9, by modularizations such as lower case 70, Air Blast fan 71, indoor fan motor 72 and electric part box 73 are constituted lower unit 7.

(lower case)

Lower case 70 is made of down front face 74, bottom surface sections 75, downside face 76,77 and support sector 78 etc., is the color different with upper body 6.

Following front face 74 is to be presented on part in the visual field as the front lower of indoor set 2 from top view, is configured to the upper end and tilts towards the front side of indoor set 2.Shown in Fig. 3 (a), the upper end of following front face 74 flatly forms, and constitutes the horizontal sides boundary line jointly with the lower end of upper body 6.In addition, following front face 74 is provided with the outlet 741 that is made of the opening along the length direction of indoor set 2.This outlet 741 is communicated with the inner space of the support sector 78 that accommodates Air Blast fan 71 as shown in Figure 7, and the air stream that Air Blast fan 71 produces blows out to indoor by this outlet 741.Be provided with the horizontal baffle 742 of the air guide that will blow out in the outlet 741.The axle that this horizontal baffle 742 is arranged to be parallel to indoor set 2 length directions is that freely rotate at the center, and drives by the rotation of baffle plate motor (not shown), carries out the switching of outlet 741.

Bottom surface sections 75 covers the bottom surface of indoor set 2, makes flat structures.Bottom surface sections 75 is flatly disposed, and disposes support sector 78 on it.

Downside face the 76, the 77th as the bottom, side of indoor set 2, is the part that is presented in the visual field in the side is observed, and covers the bottom, side of indoor set 2.Downside face 76,77 is divided into lower right side facial 76 and lower-left side surface part 77, and lower right side face 76 is configured in the right side of indoor set 2 from top view, and lower-left side surface part 77 is configured in the left side of indoor heat converter 50.In addition, the upper end of downside face 76,77 and following front face 74 are same, flatly form.Under the state that upper body 6 is covered by lower unit 7, dock with the following front face 74 of lower unit 7 and the upper end of downside face 76,77 lower end of upper body 6, constitutes the horizontal sides boundary line.

Support sector 78 is by front face 74, bottom surface sections 75, downside face 76,77 surround the position of the upper end of front face 74 and downside face 76,77 under being positioned at above the support sector 78 down.In support sector 78, from the top Air Blast fan 71, indoor fan motor 72, electric part box 73 and indoor heat converter unit 5 etc. are installed, support Air Blast fan 71, indoor fan motor 72, electric part box 73 and indoor heat converter unit 5 etc. from the below.

Support sector 78 supports indoor heat converter 50 by the heat exchanger holding components 52 of indoor heat converter unit 5.The central shaft height of the top and cross flow fan of support sector 78 slightly together.On support sector 78, be provided with drain pan 781,782 and fan accommodation section 787.

Drain pan the 781, the 782nd, the part of the water droplet that is produced on indoor heat converter 50 surfaces when being received in heat exchange is formed by the female member that falls in downwards above support sector 78.This drain pan 781,782 be divided into before drain pan 781 (first drain pan) with the back drain pan 782 (second drain pan), preceding drain pan 781 as shown in Figure 5, be configured in the 3rd indoor heat converter 50c the below, be the below of the lower end, front side of indoor heat converter 50.Back drain pan 782 be configured in heat exchanger 50d in the fourth ventricle the below, be the below of the rear side lower end of indoor heat converter 50.Preceding drain pan 781 clips Air Blast fan 71 before and after being configured to back drain pan 782.Preceding drain pan 781 is positioned at back drain pan 782 and highly omits position together, and the bottom surface of preceding drain pan 781 and back drain pan 782 is positioned at the position of the central shaft height that is lower than Air Blast fan 71, still, and near the lower end configuration of indoor heat converter 50.In addition, preceding drain pan 781 tilts towards the right side of indoor set 2 respectively a little with the bottom surface of the reception condensed water of back drain pan 782.And,, on the part of the right side of support sector 78, be provided with the communication paths 783 that connects preceding drain pan 781 and back drain pan 782 as Fig. 9 and shown in Figure 10.As shown in Figure 9, communication paths 783 is in the plane between indoor fan motor 72 and electric part box 73.In addition, as shown in figure 10, communication paths 783 is observed below the rotating shaft height that is positioned at Air Blast fan 71 from the side.In addition, this communication paths 783 is provided with Drainage Division 789 continuously.This Drainage Division 789 is provided with the osculum 784 that connects from communication paths 783 downwards.This osculum 784 as shown in Figure 9, with the internal communication of condensed water being discharged the condensate hoses 785 of usefulness from drain pan 781,782 to the outside.The condensed water that drips down from indoor heat converter 50 or auxiliary pipe arrangement 51 is received by preceding drain pan 781 and back drain pan 782, and collects in the communication paths 783, discharges outside machine through condensate hoses 785 from osculum 784.And this preceding drain pan 781, back drain pan 782, communication paths 783 and osculum 784 form as one, and become the structure that does not have seam.Specifically, the anterior end of the right-hand end of preceding drain pan 781 and communication paths 783 is an one.The rear end of the right-hand end of back drain pan 782 and communication paths 783 is an one.In addition, communication paths 783 is an one with Drainage Division 789.Therefore, the bottom surface of the communication paths 783 of reception condensed water and the osculum 784 of Drainage Division 789 are one, do not link together with having seam.

Fan accommodation section 787 is parts of holding Air Blast fan 71 and indoor fan motor 72, is arranged near the central authorities above the support sector 78.Fan accommodation section 787 is used to hold the latter half of Air Blast fan 71 and indoor fan motor 72 by forming with the recessed parts of semicircular cylinder shape downwards above support sector 78.Be provided with the air path that the Air Blast fan 71 that will be held is communicated with outlet 741 in the inside of support sector 78.

In addition, between back drain pan 782 and Air Blast fan 71, support sector 78 has the outstanding tongue 786 from the side of facing up of support sector 78.This tongue 786 covers the rear of Air Blast fan 71, and the upper end of tongue 786 is positioned at the height place lower slightly than the top, top of Air Blast fan 71.

Like this, drain pan 781, back drain pan 782 and fan accommodation section 787 before this is provided with above support sector 78, though tongue 786 is outstanding towards the top, but, other parts above the support sector 78 form general planar and level, are positioned at the center line height position slightly together with Air Blast fan 71.

As indicated above, the part that is positioned at the extreme higher position of support sector 78 is a tongue 786, and still, tongue 786 is positioned at the following position of height, top, Air Blast fan 71 top.In addition, support sector 78 above be positioned at the down position of the upper end of front face 74 and downside face 76,77.Therefore, the each several part that comprises the lower case 70 of support sector 78 is below the height on top, top of Air Blast fan 71.

The top rear side of support sector 78 is also below the height of Air Blast fan 71, but, part between the top part 61 of upper body 6 and the top rear side of support sector 78 is blocked (with reference to Fig. 7) by the installing plate 8 that is installed on the indoor wall, on the length direction of indoor set 2, installing plate 8 has and indoor heat converter 50 length slightly together, covers the rear side of indoor heat converter 50.Installing plate 8 is by covering the rear side of indoor set 2, forms the air flow circuit that the air that carries out heat exchange at indoor heat converter 50 is passed through with upper body 6, particularly forms the rear side air flow circuit.

(cross flow fan)

Air Blast fan 71 constitutes elongated drum, and being configured to central shaft is rotating shaft maintenance level.The side face of Air Blast fan 71 is provided with blade, around the rotating shaft rotation, generates air stream by Air Blast fan 71.This air stream is to suck, flow to the indoor air that blows out from outlet 741 by indoor heat converter 50 from front suction inlet 601 and end face suction inlet 611.Air Blast fan 71 is observed the central authorities that roughly are positioned at indoor set 2 from the side, and Air Blast fan 71 is supported by support sector 78, and the first half of the Air Blast fan 71 under the state that is supported is outstanding upward above support sector 78.

(indoor fan motor)

Indoor fan motor 72 drives Air Blast fan 71 around the rotating shaft rotation.Indoor fan motor 72 has and Air Blast fan 71 diameters thin drum slightly together as Fig. 8 and shown in Figure 9.Indoor fan motor 72 is configured in Air Blast fan 71 right side sides coaxially with Air Blast fan 71, in the plane, is configured in side by side on the rotating shaft direction with Air Blast fan 71.Indoor fan motor 72 disposes in abutting connection with ground with the right side of Air Blast fan 71, on the right side of indoor fan motor 72, is disposing to adjacency communication paths 783.In addition, in the plane, indoor fan motor 72 and Air Blast fan 71 are centered on around it by preceding drain pan 781, communication paths 783 and back drain pan 782.In addition, under the state that indoor fan motor 72 is installed in the support sector 78, the height on the top, top of indoor fan motor 72 and Air Blast fan 71 is slightly with (with reference to Fig. 8).

(electric part box)

As Fig. 5 and shown in Figure 9, electric part box 73 holds the control substrate 731 of the running usefulness of controlling indoor set 2.Electric part box 73 has the shape of cuboid box shape, is configured between the lower right sides 76 and support sector 78 of lower case 70, is positioned at the right side side of indoor heat converter unit 5.Electric part box 73 is configured in the outside of support sector 78, in the plane, is configured in side by side on the rotating shaft direction of Air Blast fan 71 with communication paths 783.Therefore, in the plane, Air Blast fan 71, indoor fan motor 72, communication paths 783 and electric part box 73 are configured on the rotating shaft direction in turn side by side.In addition, in indoor fan motor 72 right side sides, electric part box 73 is mounted and supports, on the right flank of support sector 78, and can be installed to indoor heat converter unit 5 on the lower unit 7 before, be installed in the support sector 78.In addition, near front side configuration electric part box 73, the space that the auxiliary pipe arrangement 51 that the rear space of electric part box 73 is covered by above-mentioned protection tube 53 passes through.Electric part box 73 is configured to such structure, make forceful electric power parts and indoor fan motor 72 configuration side by side vertically such as the electric capacity capacious that is installed in the control assembly of control on the substrate 731 or power transistor, and observe from the side indoor fan motor 72 and electric part box 73 are disposed overlappingly.In addition, above the electric part box 73, under the state of being supported by lower case 70, being positioned at the top, top of indoor fan motor 72 is top, the top height position slightly together of Air Blast fan 71.

Like this, the integral part of indoor fan motor 72, electric part box 73 and lower case 70 is positioned at by the Air Blast fan under lower case 70 status of supports 71 and pushes up below the height on top, and lower unit 7 becomes the smaller shape of overall dimensions on the short transverse.

(heat exchanger holding components)

Below, the formation of heat exchanger holding components 52 is described according to Fig. 5 and Fig. 6.Heat exchanger holding components 52 is arranged near the right flank of indoor heat converter 50, has heat exchanger support sector 54, motor cover 55 and water guide road 56 (being specially the condensed water guide part in an embodiment).

Heat exchanger support sector 54 is the plate portions along the inverted v-shaped shape of indoor heat converter 50, supports indoor heat converter 50 from the inboard.

Motor cover 55 covers the first half of indoor fan motor 72, mainly is made of upper cover 551, side lid 552, front cover 553 and back cover 554.

Upper cover 551 has the curve form with arc-shaped bend, and is outstanding to the side of indoor heat converter 50 from heat exchanger support sector 54.Upper cover 551 is opposed with the first half of indoor fan motor 72 peripheries, covers the top of indoor fan motor 72.

Side lid 552 is to be roughly semicircular plate portion, and is vertical with respect to upper cover 551.Side lid 552 is opposed with the first half of the circular face that constitutes indoor fan motor 72 its right end face, covers the right side side of indoor fan motor 72.

Front cover 553 and back cover 554 cover the place ahead and the rear of indoor fan motor 72 respectively.

In addition, as indicated above, because the outside side extension from the side of indoor heat converter 50 of auxiliary pipe arrangement 51, so motor cover 55 is positioned at the below of auxiliary pipe arrangement 51.The structure that motor cover 55 forms is such, and the condensed water that drips down from auxiliary pipe arrangement 51 56 is flowed towards the water guide road, and protection indoor fan motor 72 is avoided the influence of condensed water.

Water guide road 56 flows to the condensed water on the motor cover 55 around the place ahead, right side side and the rear of motor cover 55 with dripping down, to drain pan 781,782 or communication paths 783 guidings.Water guide road 56 has bottom surface sections 561 and side wall portion 562, and in the plane, bottom surface sections 561 and side wall portion 562 have the コ font shape along front side, right side and the rear side of motor cover 55.

Bottom surface sections 561 vertically is connected with the lower end of side lid 552, front cover 553 and back cover 554.The left-hand end of bottom surface sections 561 that is positioned at motor cover 55 front sides is near the lower end, side of the 3rd indoor heat converter 50c, the top of drain pan 781 before being positioned at.In addition, the left-hand end of bottom surface 561 that is positioned at motor cover 55 rear sides is positioned at the top of back drain pan 782 near the lower end, side of fourth ventricle heat exchanger 50d.

Side wall portion 562 is vertically holded up from bottom surface sections 561, and condensed water is led.

Between the front side left-hand end of the lower end, side of the 3rd indoor heat converter 50c and bottom surface sections 561, be provided with the gap.In addition, in fourth ventricle, be provided with the gap between the rear side left-hand end of the lower end, side of heat exchanger 50d and bottom surface sections 561.Therefore, drain pan 781 or back drain pan 782 are mobile forward from these gaps for that part of condensed water that water guide road 56 is received, and are discharged to machine outer (with reference to the blank arrow A 1 of Fig. 6).In addition, the part of the part that is positioned at motor cover 55 right side sides on the side wall portion 562 is provided with grooving 563, and the condensed water that drips on the motor cover 55 is discharged from this grooving 563.The part that is positioned at motor cover 55 right side sides on the side wall portion 562 in the plane, is positioned at the top of communication paths 783, joins with the part of communication paths 783, is accepted by communication paths 783 from the condensed water that grooving 563 is discharged, and discharges outside machine.

Like this, communication paths 783 is configured in the rotating shaft direction of Air Blast fan 71 in the plane in the outside of crossing motor cover 55, and is configured to receive the structure of the condensed water that drips down from auxiliary pipe arrangement 51.Specifically, the condensed water that drips down from auxiliary pipe arrangement 51 is received by upper cover 551, water guide road 56 or communication paths.

Drip on the upper cover 551 condensed water through on curved surface towards the place ahead, rear or side flow, and flows to water guide road 56.Condensed water from the left-hand end on water guide road 56 forward drain pan 781 or back drain pan 782 flow, and outside machine, discharge.In addition, the condensed water that flows towards the side is also discharged from the grooving 563 on water guide road 56, is received by communication paths 783, and discharges outside machine.

Directly drip to the condensed water on water guide road 56, similarly from the left-hand end on water guide road 56 forward drain pan 781 or back drain pan 782 flow, or flow to communication paths 783, and outside machine, discharge from grooving 563.

In addition, because auxiliary pipe arrangement 51 crosses motor cover 55 and extends to the top of communication paths 783, so, the situations that have condensed water directly to drip down to communication paths 783 from auxiliary pipe arrangement 51.In this case, receive condensed waters by communication paths 783 and outside machine, discharge.

(feature)

〔1〕

In the indoor set 2 of this air conditioner 1, in the plane, Air Blast fan 71, indoor fan motor 72, communication paths 783 are configured in the rotating shaft direction of Air Blast fan 71 in turn, therefore, even drop onto condensed water on the motor cover 55 that covers indoor fan motor 72 to the flows outside of motor cover 55, also can receive these condensed waters by communication paths 783.

Drip to the condensed water on the motor cover 55, flow to the front and back of motor cover 55, can receive and handle by preceding drain pan 781 and back drain pan 782.

Like this, in the indoor set 2 of this air conditioner 1, do not need for preventing the condensed water mobile rib etc. that on motor cover, is provided with laterally, can be by the condensed water of communication paths 783 processing to motor cover 55 flows outside.As a result, in the indoor set 2 of this air conditioner 1, can handle condensed water with simple formation.

〔2〕

In the indoor set 2 of this air conditioner 1, between electric part box 73 and indoor fan motor 72, be provided with communication paths 783.Therefore, drip to the condensed water on the motor cover 55, before flowing to electric part box 73, receive and handle by communication paths 783.Therefore, in the indoor set 2 of this air conditioner 1, can prevent condensed water flowing on electric part box 73.

〔3〕

In the indoor set 2 of this air conditioner 1, by means of water guide road 56, can be with condensed water drain pan 781, back drain pan 782 or the communication paths guiding forward that drips on the motor cover 55.Therefore, in the indoor set 2 of this air conditioner 1, drip to the condensed water on the motor cover 55, be easy to forward drain pan 781, back drain pan 782 or communication paths 783 and flow, can handle condensed water effectively.

〔4〕

In the indoor set 2 of this air conditioner 1, auxiliary pipe arrangement 51 extends to the top of communication paths 783.In other words, auxiliary pipe arrangement 51 not only extends to the top of motor cover 55, extends to communication paths 783 places but also cross motor cover 55.Therefore, in the indoor set 2 of this air conditioner 1, enlarge the space that is provided with of auxiliary pipe arrangement 51, improved the free degree of the setting of auxiliary pipe arrangement 51.

Further, under the situation that condensed water drips down from auxiliary pipe arrangement 51, communication paths 783 can receive condensed water, therefore, also can suitably handle and discharge the condensed water that drips down from auxiliary pipe arrangement 51.

〔5〕

In the indoor set 2 of this air conditioner 1, communication paths 783 is positioned at the following position of rotating shaft height of Air Blast fan 71, be in lower position in the indoor set 2 of air conditioner 1, therefore, the position of drain pan 781 and back drain pan 782 before also can reducing.Therefore, also can reduce the position of indoor heat converter 50.As a result, can make the compact in size of short transverse of the indoor set 2 of air conditioner 1.

〔6〕

In the indoor set 2 of this air conditioner 1, preceding drain pan 781, back drain pan 782, communication paths 783 and osculum 784 form one, become the structure that does not have seam.These parts form separately and situation about being bonded together under, produce minim gap in these junction surface branches, have leak from this gap may.But, in the indoor set 2 of this air conditioner 1 since with preceding drain pan 781, after let out dish 782, communication paths 783 and osculum 784 forms one, so, can not produce such gap, reduce the possibility that water leaks take place.

〔7〕

In the indoor set 2 of this air conditioner 1, the auxiliary pipe arrangement 51 that extends laterally from the side of indoor heat converter 50 extends to the position of crossing indoor fan motor 72 and motor cover 55.Therefore, auxiliary pipe arrangement 51 can be arranged to lead to the outside of motor cover 55.In other words, as shown in Figure 4, observe from the side, auxiliary pipe arrangement 51 can be in overlapping state with motor cover 55.

If auxiliary pipe arrangement 51 does not extend under the situation of the position of crossing indoor fan motor 72 and motor cover 55, because indoor fan motor 72 and motor cover 55 are positioned at the below of auxiliary pipe arrangement 51, so auxiliary pipe arrangement 51 extension downwards is restricted.

But as indicated above in the indoor set 2 of this air conditioner 1, auxiliary pipe arrangement 51 extends to the position of crossing indoor fan motor 72 and motor cover 55, may extend into observe from the side with the overlapping height of motor cover 55 on extend downwards.Like this, in the indoor set 2 of this air conditioner 1, enlarge the space that auxiliary pipe arrangement 51 can be set, improved the free degree that is provided with of auxiliary pipe arrangement 51.

〔8〕

In the indoor set 2 of this air conditioner 1, communication paths 783 is configured in the position of the motor cover 55 of crossing heat exchanger holding components 52, therefore, even under the situation that condensed water drips down from the auxiliary pipe arrangement 51 that extends to the position of crossing motor cover 55, also can receive the condensed water that communication paths 783 are dripped by communication paths 783.Like this, in the indoor set 2 of this air conditioner 1, can suitably handle the condensed water that drips down from auxiliary pipe arrangement 51.

(other forms of implementation)

Air Blast fan 71, indoor fan motor 72 and communication paths 783 can be configured on the rotating shaft direction at least in the plane in turn side by side, and it also is feasible that whole parts do not dispose on identical height side by side.

In addition, though electric part box also be configured in side by side in the plane on the rotating shaft direction,, might not need to be configured on the position that intersects with rotating shaft.

(industrial application)

Utilize the indoor set of air conditioner of the present invention, because in the plane, Air Blast fan, horse Reach and communication paths is configured on the rotating shaft direction of Air Blast fan in turn, therefore, drip to covering Even condensed water on the motor cover of motor towards flows outside, can be received by communication paths also that this is cold Solidifying water can be processed condensed water with easy formation.

Claims

1. The indoor unit (2) of the air conditioner (1), including:

A blower fan (71) having a cylindrical shape and a substantially horizontally arranged rotating shaft;

a heat exchanger (50) arranged to cover the top of the air supply fan (71), and facing the circumferential surface of the air supply fan (71);

Auxiliary piping (51) extending outward from the side of the heat exchanger (50);

Arranging side by side with the air blowing fan (71) along the direction of the rotation axis, and rotatingly driving the motor (72) of the air blowing fan (71);

A motor cover (55) arranged under the auxiliary piping (51) to cover the motor (72);

The first drain pan (781) and the second drain pan (782) for receiving the drain water dripping from the heat exchanger (50) are arranged with the blower fan (71) front and back; and

Viewed from a plane, a communication passage ( 783),

The air blowing fan (71), the motor (72) and the communication path (783) are viewed from a plane, along the direction of the rotation axis, in accordance with the flow from the air blowing fan (71), the The sequential configuration of the motor (72) to the communication passage (783).

2. The indoor unit (2) of the air conditioner (1) according to claim 1, further comprising an electrical component box (73) for accommodating electrical components (731, 732),

The blower fan (71), the motor (72), the communicating path (783) and the electrical component box (73) are viewed from a plane, along the direction of the rotation axis, according to the The air blowing fan (71), the motor (72), the communication path (783) and the electrical component box (73) are arranged in sequence.

3. The indoor unit (2) of the air conditioner (1) according to claim 1, characterized in that it further includes a function of draining water dripped on the motor cover (55) to the communication path (783) Guided water guide (56).

4. The indoor unit (2) of an air conditioner (1) according to any one of claims 1 to 3, wherein the auxiliary pipe (51) extends above the communicating passage (783).

5. The indoor unit (2) of the air conditioner (1) according to any one of claims 1 to 3, characterized in that, the communicating path (783) is located at the side of the blowing fan (71). The position below the height of the axis of rotation.

6. The indoor unit (2) of the air conditioner (1) according to any one of claims 1 to 3, characterized in that the first drain pan (781), the communicating passage (783) and The second drain pan (782) is integrally formed.

7. The indoor unit (2) of the air conditioner (1) according to claim 6, further comprising: a drain part (789) provided with a drain hole (784), and the drain hole (784) is used for draining water from the first drain pan (781), the communicating passage (783) and the second drain pan (782) to the outside,

The first drain pan (781), the communication passage (783), the second drain pan (782) and the drainage part (789) are integrated.

8. The indoor unit (2) of the air conditioner (1) according to claim 1, wherein the auxiliary pipe (51) extends along the direction of the rotation axis to a position beyond the motor (72) .

9. The indoor unit (2) of the air conditioner (1) according to claim 8, characterized in that the auxiliary pipe (51) extends along the direction of the rotation axis to beyond the motor cover (55). Location.

10. The indoor unit (2) of the air conditioner (1) according to claim 9, characterized in that, the communication passage (783) is arranged at the side of the motor cover (55) along the direction of the rotation axis. Location.