CN1847735B

CN1847735B - Indoor unit of air conditioner

Info

Publication number: CN1847735B
Application number: CN2006100794143A
Authority: CN
Inventors: 姜栋云; 金龙泽
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2005-01-27
Filing date: 2006-01-27
Publication date: 2010-06-23
Anticipated expiration: 2026-01-27
Also published as: KR100629342B1; KR20060086732A; CN1847735A

Abstract

An indoor unit of an air conditioner is provided. The indoor unit includes a cabinet, a heat exchanger, and at least one ventilation unit. The cabinet includes a plurality of discharge ports formed on different surfaces thereof. The heat exchanger is installed in one side of the cabinet. The ventilation unit is installed inside the cabinet and includes a discharge port selectively communicating with one of the plurality of discharge ports of the cabinet.

Description

The indoor unit of air-conditioner

Technical field

The present invention relates to a kind of indoor unit of air-conditioner, more particularly, this invention relates to the indoor unit of pipeline type air-conditioner, described pipeline type air-conditioner makes and can select from a plurality of exhaust outlets that are formed on the casing according to the fixed position of pipe laying, thereby makes the installation of indoor unit not be subjected to the restriction of pipeline fixed position.

Background technology

Air-conditioner is the device that the air of adjusting is provided to the inner space, and it can be divided into monomer air-conditioner and split-type air conditioner device, and all parts of monomer air-conditioner all are contained in the unit, and the split-type air conditioner device then comprises indoor unit and outdoor unit.

Owing to lack the interior space that indoor unit can occupy, so recent trend is to adopt the pipeline type air-conditioner, it is installed in ceiling, wall surface, balcony etc. with indoor unit, or be installed in roof or other exterior space, and the air through heat exchange in the indoor unit is transported to the interior space by pipeline.

Figure 25 is a perspective view, and it illustrates the indoor unit according to the described a kind of air-conditioner of prior art, and Figure 26 is the cutaway view according to the described air-conditioner indoor unit of the prior art.

With reference to Figure 25 and 26, comprise according to the indoor unit 1 of the described pipeline type air-conditioner of prior art: casing 3 is formed with air entry 7 and exhaust outlet 2 in this casing; Blower fan 4, this blower fan are arranged in the casing 3 and with exhaust outlet 2 and link to each other; Heat exchanger 5, this heat exchanger is arranged on the casing inboard, is used for making inhaled air to carry out heat exchange; With pipeline 6, this pipeline links to each other with exhaust outlet 2.

But, according to the described air-conditioner 1 of prior art such shortcoming is arranged, promptly on casing 3, only be formed with an exhaust outlet 2, described outlet 2 forms towards a side, this makes that the installation site of indoor unit 1 is dumb, and indoor unit 1 can't match with the pipeline that is positioned at other diverse location.

Summary of the invention

Therefore, the present invention aims to provide a kind of indoor unit of air-conditioner, and it can solve fully because the restriction of prior art and shortcoming cause one or more problem of occurring.

An object of the present invention is to provide a kind of indoor unit of air-conditioner, it makes can be according to the installation site of pipeline, select an exhaust outlet a plurality of exhaust outlets on being formed on casing,, and be not subjected to pipeline that the restriction of location or position is installed so that indoor unit can easily be installed.

Another object of the present invention provides a kind of indoor unit of air-conditioner, and it makes can repair or replace motor by remove side panel under the situation of not dismantling whole casing.

Another one purpose of the present invention provides a kind of indoor unit of air-conditioner, and it is convenient to supporting guide mounted thereto, therefore guide rail can be installed in the indoor unit base plate below, thereby can more easily transport indoor unit by forklift or other vehicle.

A further object of the present invention provides a kind of indoor unit of the air-conditioner with control cabinet, and electric component is installed in the casing of indoor unit, thereby makes indoor unit have the appearance of cleaning, and protects its control cabinet to avoid external force.

Other advantage, purpose and characteristics of part of the present invention will be set forth in the following description, for those of ordinary skill in the art, following content passes a test, other advantage, purpose and characteristics of part of the present invention can become very obvious, perhaps can know by putting into practice the present invention.By the structure of specifically noting in the specification with at this claim and figure, can realize and obtain purpose of the present invention and other advantage.

For realizing above-mentioned these purposes and other advantage, and, as instantiation and broad description here, the invention provides a kind of indoor unit of air-conditioner according to purpose of the present invention, this indoor unit comprises: casing, this casing comprise a plurality of exhaust outlets that are formed on the casing different surfaces; Be installed in the heat exchanger in casing one side; With at least one unit ventilators that is installed in the casing inboard, this unit ventilators comprises exhaust outlet, this exhaust outlet selectively with a plurality of exhaust outlets of casing in one be communicated with the casing exhaust outlet that comes conversion to open according to the direction of unit ventilators exhaust outlet wherein.

The present invention provides a kind of indoor unit of air-conditioner on the other hand, and this indoor unit comprises: base plate; Casing, this casing comprises the front panel that vertically is installed in base plate the place ahead, vertically is installed in the side panel of base plate side, is installed in the top panel on front panel and the side panel top, with the corner bracket that is used for being connected side panel and front panel; Be installed at least one unit ventilators on the base plate, this unit ventilators is used for sucking and the discharge room air; With the heat exchanger that is installed in the inner rear of casing part.

The present invention provides a kind of indoor unit of air-conditioner on the other hand, and this indoor unit comprises: base plate; The casing that is connected with base plate, this casing comprise a plurality of exhaust outlets that are formed on its front surface and/or the upper surface; Be installed in the heat exchanger of casing inboard; With the unit ventilators that is connected with base plate, this unit ventilators is used for sucking room air, wherein this unit ventilators comprises the blower fan that is used for sucking room air, drive the motor of blower fan, fan shroud, this fan shroud is used for guiding the emission direction by the blower fan inhaled air, and with the blower fan frame that is connected with base plate, this blower fan frame is used for supporting fan shroud.

Further aspect of the present invention provides a kind of indoor unit of air-conditioner, and this indoor unit comprises: base plate; Casing, this casing comprises front panel, side panel and top panel, described front panel, side panel and top panel vertically are connected from the top of base plate; Be installed in the control cabinet on side panel one side; Be fixed on the fan assembly of casing inboard; Be used for driving the motor sub-assembly of fan assembly; With the supporting guide that is connected the base plate bottom.

Should be appreciated that content of summarizing previously and following detailed description of the invention all are examples and illustrative, is to provide further instruction for claimed invention.

Description of drawings

Embodiments of the invention shown in the accompanying drawing, itself and detailed description part are used for explaining principle of the present invention together.Here the accompanying drawing that comprises is to the invention provides further understanding, and these accompanying drawings of comprising of the application constitute the application's a part.In the accompanying drawings:

Fig. 1 is the perspective view according to the indoor unit of the pipeline type air-conditioner of first embodiment of the invention;

Fig. 2 is the decomposition diagram according to the indoor unit of pipeline type air-conditioner of the present invention;

Fig. 3 is the rear view according to the indoor unit of pipeline type air-conditioner of the present invention, and this illustrates the outside of side panel;

Fig. 4 is the perspective view of the indoor unit of taking apart of air-conditioner according to the present invention, and this illustrates the structure of electric component unit;

Fig. 5 is an enlarged perspective, and it illustrates the assembly structure of the electric component unit shown in Fig. 4;

Fig. 6 is the perspective view that is installed in according to the unit ventilators on the base plate of pipeline type air-conditioner of the present invention;

Fig. 7 is a side sectional view, and it illustrates the internal structure according to unit ventilators of the present invention;

Fig. 8 is according to the perspective view that is used for the blower fan of unit ventilators of the present invention;

Fig. 9 is the plane of the blower fan among Fig. 8;

Figure 10 is according to the profile that is installed on the motor of support component of the present invention;

Figure 11 is the section view according to motor rotor of the present invention;

Figure 12 is the perspective view according to motor stator of the present invention;

Figure 13 is the decomposition diagram of the stator shown in Figure 12;

Figure 14 is the rear view according to support component of the present invention;

Figure 15 is the front perspective view of the support component shown in Figure 14;

Figure 16 is a decomposition diagram, and it illustrates according to the assembling of air-conditioner indoor unit of the present invention and unloading process;

Figure 17 is a perspective view, and it illustrates according to air-conditioner indoor unit of the present invention, and the top of this indoor unit links to each other with pipeline;

Figure 18 is a perspective view, and it illustrates the air-conditioner indoor unit according to second embodiment of the invention, and the top of this indoor unit links to each other with two pipelines;

Figure 19 is a perspective view, and it illustrates the indoor unit that different pipelines connect configuration that has among Figure 18;

Figure 20 is the perspective view that other different pipeline connects the indoor unit of configuration that has shown in Figure 18;

Figure 21 is the cutaway view according to the unit ventilators of second embodiment of the invention;

Figure 22 is the decomposition diagram according to the air-conditioner indoor unit of third embodiment of the invention;

Figure 23 is a cutaway view, and it illustrates the installation site according to the unit ventilators and the seal cover of the link position of pipeline;

Figure 24 is a cutaway view, and it illustrates a kind of alternative site according to the unit ventilators of pipeline link position and seal cover;

Figure 25 is the perspective view according to the indoor unit of the air-conditioner of prior art; With

Figure 26 is the cutaway view according to the indoor unit of the air-conditioner of prior art.

The specific embodiment

To at length introduce the preferred embodiments of the present invention now, there is shown the sample of these embodiment.In whole figure, adopt identical figure mark to represent identical or similar parts as much as possible.

Fig. 1 is a perspective view, and it illustrates the indoor unit according to the pipeline type air-conditioner of first embodiment of the invention.Fig. 2 is a decomposition diagram, and it illustrates the indoor unit according to pipeline type air-conditioner of the present invention.

With reference to Fig. 1 and 2, comprise: the casing 11 that constitutes indoor unit 10 profiles according to the indoor unit 10 of air-conditioner of the present invention; Be installed in the unit ventilators 20 of casing 11 inboards; Be installed in the heat exchanger 30 of casing 11 inside rear; With the electric component unit 40 that is installed in casing 11 inboard end places.

In more detail, casing 11 comprises: base plate 50 is used for unit ventilators 20 is installed in this base plate 50 tops; The vertically installed front panel 52 from the place ahead of base plate 50; The side panel of installing from the side upright of base plate 50 54; Be installed in the top panel 58 of the top of front panel 52 and side panel 54; Be installed in the preceding corner bracket 55 on the turning, base plate 50 the place ahead and be installed in the back corner bracket 56 of base plate 50 rear corners.

In addition, be formed with the front-seat gas port 14 of preliminary dimension in front on the plate 52, be formed with the last exhaust outlet 16 of preliminary dimension in the above on the plate 58.

Support

52a and 58a are installed on the edge of front-seat gas port 14 and last exhaust outlet 16, so that pipeline can be fixedly mounted on front panel 52 or the top panel 58.Be formed with air entry 12 on the rear portion of casing 11, heat exchanger 30 is installed in the place ahead of air entry 12.Like this, the air that enters by air entry 12 passes heat exchanger 30, thereby becomes more nice and cool or hotter.Here, air entry 12 is sealed up fully, thereby make air must pass heat exchanger 30, so that flow into air entry 12 by heat exchanger 30.Front panel 52 and side panel 54 are supported by preceding corner bracket 55 and back corner bracket 56.

In more detail, the lower end of

corner bracket

55,56 links to each other with base plate 50, and its upper end links to each other with top panel 58, thereby casing 11 can not moved and is firmly fixed.

The edge of heat exchanger 30 is provided with support 32, to connect back corner bracket 56.Back corner bracket 56 also has fixing support 34, is used for connecting the aspirating air pipe (not shown).The sutaining valve mechanism 35 that links to each other with heat exchanger 30 is installed in after two in the corner bracket 56.The refrigerant pipe (not shown) that connects outdoor unit links to each other with sutaining valve mechanism 35, and sutaining valve mechanism 35 links to each other with heat exchanger 30.

The supporting guide 60 that supports base plate 50 is installed in the bottom of base plate 50.Specifically, supporting guide 60 has groove part 61 that curves " u " shape and the top that is fixed on base plate 50 bottoms.Supporting guide 60 is fixed on relative two ends, base plate 50 bottoms, and it is even at interval, and aligns from front to back or from left to right on base plate 50.

By the mode of above-mentioned supporting guide 60 is installed on base plate 50 bottoms, when mobile indoor unit 10, the fork (not shown) of forklift can be inserted in the groove part 61 of supporting guide.Like this, though forklift this in the process of transportation, wave, do not have indoor unit 10 the slip away fork of forklift and the danger that falls yet.And owing to by bolt or screw (not shown) supporting guide 60 is fixed on the base plate 50, the operation of installation supporting guide is very simple.

For guaranteeing to realize above-mentioned effect, make the supporting guide 60 predetermined distance that is spaced apart from each other, so that the forklift fork of the standard of insertion, and groove part 61 formed have enough big width, so that can be wherein the fork insertion of forklift.

Fig. 3 is that this illustrates the outside of side panel according to the rear view of pipeline type air-conditioner indoor unit of the present invention.

With reference to Fig. 3, be installed in the inboard of casing 11 according to electric component unit 40 of the present invention, and by side panel 54 with these electric component unit 40 sealings, avoid it to be exposed to the external world.

Specifically, the front-end and back-end of side panel 54 are separately fixed on preceding corner bracket 55 and the back corner bracket 56.Handle 53 is formed on the outer surface of side panel 54, and like this, when dismounting and assembling side panel 54, the user can catch handle 53.

Handle 53 is inserted and secured in the hole that is formed on the side panel 54, perhaps is fixed on the outer surface of side panel 54 by fixed part.In more detail, if handle is inserted and secured on the side panel 54, then this handle comprises: insertion portion 53a, this insertion portion are inserted in the hole that is formed in the side panel 54; Be fixed on the standing part 53b of the outer surface on the side panel 53; With grasping hole 53c, its be formed for making the user can insert his/her hand enters this hole so that grasping.

For opening the application scenario of side panel, can make side panel 54 hinged by the edge of side panel 54, so that make side panel along up/down or direction turn-off from left to right with corner bracket 55, corner bracket 56 or top panel 58 with periodic maintenance.

Fig. 4 is the perspective view of the indoor unit of taking apart of air-conditioner according to the present invention, and this illustrates the structure of electric component unit.Fig. 5 is an enlarged perspective, and it illustrates the assembly structure of the electric component unit shown in Fig. 4.

With reference to Figure 4 and 5, the two ends of electric component unit 40 are inserted on

corner bracket

55 and 56, by bolt or screw these two ends are fixed on the

corner bracket

55,56 then.

Specifically, electric component unit 40 comprises: the control cabinet 42 that is connected with 56 with corner bracket 55; Be installed in the main printed circuit board (PCB) 45 of control cabinet 42 inboards; The motor driver (not shown) of electric current is provided for unit ventilators 20; With SPM (IPM) (not shown) that DC current is provided for the motor driver (not shown).

In more detail, SPM IPM is combined in igbt (IGBT) in the single shell with special purpose driver, SPM IPM is the parts of developing recently, and it is used in the occasion of various control power in the large capacity motor control field.SPM IPM comprises driver IC, high current protecting circuit, short-circuit protection circuit and many other internal protection circuitries.This SPM IPM has reduced the size of motor driver, and has the low and little advantage of size of energy consumption.

Control cabinet 42 is processed into cube shaped, main printed circuit board 45 is installed in the control cabinet 42, can open and close by the front portion of side panel 54 with this control cabinet.That is to say, when taking side panel 54 apart, will expose the inside of electric component unit 40, this is convenient to maintenance.Control cabinet 42 is exposed to the outside by side panel 54 sealings to prevent electric component.

Control cabinet 42 two ends all have the flange 44 of formation, and this flange stretches out to connect

corner bracket

55 and 56 from control cabinet.

Corner bracket 55 and the inner of 56 comprise flange 57, the front portion that this flange extends and presses control cabinet 42 flanges 44, and the top of flange 57 has the latch slot 57a of the desired depth of reaching.And the flange 44 of control cabinet 42 has bolt lock structure 47, and this bolt lock structure extends from the front portion of flange 44 with flange 57 pinnings with corner bracket 55.The bottom of bolt lock structure 47 has the latch slot 47a that upwards reaches desired depth.

In more detail, latch slot 47a that forms in bolt lock structure 47 and the latch slot 57a that forms in

corner bracket

55,56 tops link together, so that control cabinet 42 is fixed on corner bracket 55 and 56.The flange 57 of

corner bracket

55,56 and the bolt lock structure 47 of control cabinet 42 form along the direction that intersects respectively, so that by bolt lock structure 47 and flange 57 modes intersected with each other are fixed.Thereby, as long as the assembly crewman makes control cabinet 42 press the rear surface of flange 57, and falling control cabinet 42, just bolt lock structure 47 can be connected each other securely with flange 57.Therefore can carry out assembling work easily.

Further fixing if desired, then the assembly crewman can use secure component that control cabinet 42 is fixed on the corner bracket 55.

Fig. 6 is the perspective view that is installed in according to the unit ventilators on the base plate of pipeline type air-conditioner of the present invention.

With reference to Fig. 6, comprise according to unit ventilators 20 of the present invention: be fixed on the blower fan frame 22 on the casing 11, room air is sucked blower fan 24 in the casing 11, drive the motor 70 of blower fan 24, to guide to the fan shroud 28 of exhaust outlet 14 by the air of blower fan 24 circulation and motor 70 will be fixed on support component 90 on fan shroud 28 1 sides.

In more detail, blower fan 24 can be multiblade fan, and this blower fan sucks air from the both sides of fan shroud 28, and passes through the front-seat gas port discharged air of fan shroud 28.

In addition, the skeleton of blower fan frame 22 is cube shaped, and has the fan shroud 28 that is fixed in the blower fan frame.The blower fan frame is used for fan shroud 28 is fixed on the base plate 50.

Here, top cover labyrinth 21 is installed in the top of blower fan frame 22, and this top cover labyrinth 21 is used for sealing the last exhaust outlet 16 that is formed on the top panel 58.In addition, lower sealing cover 23 is installed on the bottom of blower fan frame 22, and seal cover 23 is used for sealing the front-seat gas port 14 that is formed on the front panel 52.When unit ventilators 20 is installed on the base plate 50, so that when opening front-seat gas port 14, then be formed on last exhaust outlet 16 on the top panel 58 by top cover labyrinth 21 sealings, top cover labyrinth 21 is installed in the top of blower fan frame 22.Otherwise, when unit ventilators 20 is installed on the base plate 50,, then being formed on front-seat gas port 14 on the front panel 52 by lower sealing cover 23 sealings so that when opening exhaust outlet, lower sealing cover 23 is installed in the bottom of blower fan frame 11.

In addition, when top panel 58 was placed in the top of unit ventilators 20, then top cover labyrinth 21 or preceding seal cover 23 were formed on the same plane with the outer surface of top panel 58 or front panel 52 respectively.That is to say that

seal cover

21,23 is not outstanding from top panel 58 or front panel 52, they flush with top panel 58 or front panel 52.

Seal cover

21,23 and the blower fan frame 22 that is installed on the base plate 50 are assembled into one, and therefore, the process of closing

exhaust outlet

14 or 16 comprises installs front panel 52 or top panel 58 and unit ventilators 20 is installed.

Similarly, for sealing in the

exhaust outlet

14 and 16,, then need not to install independent cover cap when

seal cover

21,23 and unit ventilators 20 are linked into an integrated entity.

With reference to figure each parts of unit ventilators are illustrated in greater detail below.

Fig. 7 is a side sectional view, and it illustrates the internal structure according to unit ventilators of the present invention.Fig. 8 is that Fig. 9 is the plane of the blower fan among Fig. 8 according to the perspective view that is used for the blower fan of unit ventilators of the present invention.

With reference to Fig. 7 to 9, be fixed on the blower fan frame 22 according to unit ventilators 20 of the present invention.

Comprise according to unit ventilators 20 of the present invention: blower fan frame 22, be fixed on the fan shroud 28 on the blower fan frame 22, be installed in the blower fan 24 that is used for sucking air in the fan shroud 28, be used for making motor 70 that blower fan 24 rotates and motor 70 is fixed on support component 90 on fan shroud 28 1 sides.

In more detail, the motor 70 of driving blower fan 24 can be brushless direct-current (BLDC) motor.Fan shroud 28 is fixed on the blower fan frame 22, and fan shroud 28 has air entry 28a, 28b, and air entry 28a, 28b are respectively formed at the left side and the right side of fan shroud.Motor 70 is installed in one of them air entry 28a, 28b place.Here, each air entry 28a, 28b have at the predetermined aduncate shield of sweep.

Motor 70 comprises: the axle 71 that links to each other with blower fan 24, the rotor 72 that is connected with an end of axle 71 and being mounted to inwardly and the stator 80 in the gap that the inner surface of rotor 72 is scheduled at interval.Stator 80 is fixedly mounted on the support component 90.The center that axle 71 passes blower fan 24, and with blower fan 24 unitary rotation.

In addition, blower fan 24 has blade 24a and is connected the also plate 24b of fixed blade 24a.

Specifically, 27 in sleeve is connected on the outer surface of axle 71, and blower fan 24 is connected on the axle 71 by sleeve 27.

More particularly, sleeve 27 comprises stylolitic part 27a (axle 71 passes this stylolitic part) and flange portion 27b, and this flange portion 27b is radially outwards outstanding from stylolitic part 27a, and plate 24b is connected with this flange portion securely.In addition, the flange portion 27b of sleeve 27 has mounted thereto rivet 27c, is used for connecting the flange portion 27b of plate 24b and sleeve 27.For sleeve being fixed on the axle 71, the stylolitic part 27a of sleeve 27 has bolt 27d, and these bolts pass stylolitic part and insert wherein.

With reference to figure the structure of motor and support component is described in detail below.

Figure 10 is according to the profile that is installed on the motor of support component of the present invention.Figure 11 is the section view according to motor rotor of the present invention.Figure 12 is the perspective view according to motor stator of the present invention.Figure 13 is the decomposition diagram of the stator shown in Figure 12.

With reference to Figure 10 to 13, comprise according to motor 70 of the present invention: rotary rotor 72 that is connected with axle 71 and stator 80, this stator 80 inwardly is installed to rotor 72 and is fixed on the support component 90.

Specifically, rotor 72 comprises: the rotor sleeve 73 that is connected with axle 71; Be connected with rotor sleeve 73 and be mounted to the rotor cap 75 that covers stator 80; Be installed on the rotor cap 75 and with stator 80 magnet 76 in predetermined gap at interval.

In more detail, on the outer surface of the inner surface of rotor sleeve 73 and axle 71, form the sawtooth (not shown), so that their sawtooth separately are meshing with each other.By bolt 71a or other fixed part axle 71 and rotor sleeve 73 are fixed together.Here, rotor sleeve 73 can be made of non electrically conductive material.

In addition, with bolt 73a rotor sleeve 73 and rotor cap 75 are fixed together.Though not shown, rotor sleeve can be connected the outside of rotor cap.

Magnet 76 is fixed on the inner surface of cylindrical rotor cover 75, so that stator rotates and interacts with stator.Here, settle magnet 76 against protuberance 75f, and along the formation magnet 76 of the inwall cylinder of rotor cap 75.Described edge 75f forms at the inwall of rotor cap 75.

Rotor cap 75 comprises substrate surface 75a that roughly is plate-like and the sidewall 75b that stretches out from the edge-perpendicular of substrate surface 75a.Sidewall 75b becomes the one-level ladder at least by protuberance 75f.At rotor cap 75 is under the situation of steel plate, makes substrate surface 75a and sidewall 75b one-body molded by compression moulding.

Here, the end of sidewall 75b has sweep 75c, this sweep is bent to outside open form, thereby when rotor high-speed rotated, this sweep 75c had sidewall 75b and prevents the rigidity of rotor 72 distortion and can prevent the noise that is produced by above-mentioned distortion.

The inside of rotor cap 75 substrate surface 75a comprises: outstanding wheel hub 75d is used for installing rotor sleeve 73; With cooling fins 75e, be used for air from motor cover 75 exterior guidings to motor cover 75.Specifically, cooling fins 75e adopts joint-cutting technology to form, to spring inwards in the rotor cap 75.Be formed with a plurality of cooling fins 75e, and these cooling fins are arranged radially around described axle.Interior sidewall surface 76b along rotor cap 75 also is equipped with a plurality of magnets 76.

Be formed with a plurality of holes in the wheel hub 75d, fixed part passes these holes and connects rotor sleeve 73.

Stator 80 comprises: the central layer 82 that forms tooth 82a; Be wrapped in the coil 84 on the central layer 82; With the insulator 86 that surrounds central layer 82.

More specifically, central layer 82 is the form of single lamination, and its steel part spiral is wound with lead, thereby the global shape of central layer 82 is an annular.

Say that in further detail under central layer 82 ringwise situations, tooth 82a radially is provided with around central layer 82.A plurality of central layers 82 are stacked on over each other mutually.In addition, coil 84 twines repeatedly around multilayer tooth 82a.

Insulator 86 comprises insulator 86a and following insulator 86b, and last insulator 86a links to each other with the upper end of central layer 82, and following insulator 86b is around the lower end of central layer 82 and be attached thereto.Insulator 86 can with present embodiment in different, it can be one, in this case, in manufacture process central layer is inserted in the resin.

In vertical direction, insulator 86 that is to say that than outstanding more of the thickness of coil 84 rib rib 86c surpasses coil 84 on direction up and down thickness highlights more, and described rib rib 86c covers the tooth 82a of central layer 82, and described coil 84 is around tooth 82a.

Last insulator 86a and following insulator 86b have respectively from its inner inwardly outstanding connecting portion 87.The face down connecting portion of insulator 86b of the connecting portion 87 of last insulator 86a.More particularly, form three at least from the inwardly outstanding connecting portion 87 of central layer 82.Be formed with the connecting hole 87a of predetermined diameter in the connecting portion 87.Press-fit metal tube 87b, make its connecting portion 87 that passes insulator 86a and following insulator 86b, so that make metal tube 87b will go up the external surface peripheral that insulator 86a and following insulator 86b are fixed on central layer 82.

Here, the vertical length of connecting portion 87 (thickness) is than the thickness that piles up central layer 82 big 20% or more.This is owing to in the motor operation process, can bear the vibration of generation, connecting portion 87 must be formed at least than piling up central layer 82 thick 20%.

Stator 80 links to each other with support component 90, and this stator closes on the air entry 28a of fan shroud 28.Motor 70 is by the air cooling of flowing through fan shroud 28.

Figure 14 shows the rear view according to support component of the present invention.Figure 15 is the front perspective view of the support component among Figure 14.

With reference to Figure 14 and 15, comprise bearing housing 92 according to support component 90 of the present invention, these bearing housing self-supporting parts 90 extend predetermined distance forward, and support and pass the axle 71 that bearing housing 92 inserts.

More specifically, support component 90 has: the bearing housing 92 of bearing 91 wherein is installed, bearing 91 back shafts 71; Fixed arm 94, fixed arm 94 extends radially from the lower external face of bearing housing 92, and to connect and to be fixed on the fan shroud 28 and to be formed at the stator installation portion 96 of fixed arm 94 belows, this stator installation portion is used for connecting and fixed stator 80.

In addition, form the slotted hole 92a that runs through bearing housing 92, this slotted hole is used for passing wherein for axle 71, and a plurality of bearings 91 are installed in the slotted hole 92a, and bearing is used for the outer surface of back shaft 71.

Stator installation portion 96 is fixed on the stator 80 by bolt etc., and this stator installation portion is oblate dish type, and its bottom has predetermined diameter, and is combined into one with bearing housing 92.

Here, stator installation portion 96 not only has and is used for passing wherein hole 96a with fixed stator 80 for fixed part, but also is formed with the through hole 96b of broad, and through hole 96b is used for the heat that stator 80 produces is dispersed into the outside.

Three fixed arms 94 form tripod, and fixed arm 94 radially extends from the outer surface of bearing housing 92, and its end is formed with the hole 94a of preliminary dimension.Pass hole 94a inserting bolt 95, so that support component 90 is connected on the side of fan shroud 28.

In more detail, installing component 97 is inserted between the end and fan shroud 28 of fixed arm 94.Installing component 97 absorbs the vibration that is caused by motor 70 and blower fan 24.Therefore, installing component 97 can be made by elastomeric material, and support component 90 can be formed by the aluminium casting.

In addition, also be formed with reinforcement 98, with the upper surface that is connected and fixed arm 94 and the outer surface of support component 90 bearing housings 92.Reinforcement 98 prevents fixed arm 94 crooked or fractures, to increase the structural strength of support component 90.

Figure 16 is a decomposition diagram, and it illustrates according to the assembling of air-conditioner indoor unit of the present invention and unloading process.

With reference to Figure 16, will describe assembling and unloading process below in detail according to air-conditioner indoor unit 10 of the present invention.

At first, be the assembling indoor unit, the assembly crewman will be fixed on supporting guide 60 bottom of base plate 50, and blower fan frame 22 (unit ventilators 20 is fixed on this blower fan frame) is fixed on the upper surface of base plate 50.

Here, adjust the installation site of blower fan 24, so that make the exhaust outlet of fan shroud 28 and following exhaust outlet coupling, described exhaust outlet is in the last exhaust outlet 16 of in the front-seat gas port 14 of front panel 52 or top panel 58.In more detail, when the exhaust outlet of blower fan frame 22 is communicated with front-seat gas port 14, top cover labyrinth 21 will be gone up exhaust outlet 16 sealings.

Then, the assembly crewman connects

corner bracket

55 and 56 in four bights of base plate 50 respectively, and electric component unit 40 connections are at one end gone up.

Installation process to electric component unit 40 describes once more, and the control cabinet 42 of electric component unit 40 is moved down, so that make latch 47 pin the latch slot 57a of flange 57.Described latch 47 is formed on the either side of control cabinet 42, and described latch slot 57a is formed on the corner bracket 55.Latch 47 lockings of control cabinet 42 also are fixed on the flange 57 of corner bracket 55, by fixed part coupler latch lock assembly and flange 057.

Next, the assembly crewman will be installed on the motor that is wired to unit ventilators 20 70 in the control cabinet 42, so that can be by electric component unit 40 control motors 70.Then, side panel 54 is connected between preceding corner bracket 55 and the rear leg 56, with sealing electric component unit 40.

Then, the assembly crewman is assemblied in heat exchanger 30 at the rear portion of casing 11.The side panel 54 and the front panel 52 of remainder are connected respectively on corner bracket 55 and 56.After assembling side panel 54 and front panel 52, the assembly crewman is installed in top panel 58 on the casing 11, thereby finishes assembling work.

Here, the top cover labyrinth 21 that seals top panel 58 exhaust outlets 16 is connected with blower fan frame 22 one, so that make the assembly crewman only need fit on panel 58 just can finish the assembling work of casing 11.

The upper surface of top panel 58 formed have the flat surface that flushes, and if the pipeline (not shown) is connected on the exhaust outlet 16, then the independent support 58a with connecting pipe is connected on the upper surface of top panel.

Figure 17 is a perspective view, and it illustrates the indoor unit according to air-conditioner of the present invention, and the top of this indoor unit links to each other with pipeline;

With reference to Figure 17, will assembly technology and the pipeline according to indoor unit 10 of the present invention be described below.

Before Figure 17 is described, at first will the pipeline 200 that be installed in indoor unit 10 front portions be described.

As shown in Figure 1, when pipeline 200 being arranged on indoor unit 10 anterior, the assembly crewman is connected to the edge that support 52a is installed in front-seat gas port 14 on the front panel 52 with pipeline 200 by support 52a then.

But as shown in figure 17, when the position of the exhaust outlet of opening when pipeline 200 and casing 11 did not overlap, installation personnel will be dismantled casing 11, with the position of conversion exhaust outlet and the installation site of unit ventilators 20.

For achieving the above object, installation personnel at first will be removed top panel 58, to open casing 11, dismantles base plate 50 and blower fan frame 22 then.Secondly installation personnel will upwards rotate the blower fan frame 22 of dismantling, so that the exhaust outlet of fan shroud 28 is moved up.And then blower fan frame 22 is fixed on the base plate 50.

Here, rotate, so that lower sealing cover 23 is exposed to the front portion of casing 11, thereby make front-seat gas port 14 sealings of front panel 52 by rotating blower fan frame 22, make the lower sealing cover 23 that is fixed on blower fan frame 22 bottoms.Then, the assembly crewman is fixed to unit ventilators 20 on the base plate 50, and the new fit on panel 58 of laying equal stress on is so that make the exhaust outlet of fan shroud 28 align with the last exhaust outlet 16 of top panel 58.

At last, the assembly crewman installs the support 58a of panel 58, and top panel 58 is connected on the pipeline 200.

The unloading process of motor will be described below.

If indoor unit breaks down, then the maintenance personal need remove and install the motor 70 in casing 11, and the maintenance personal need remove the side panel 54 of casing 11 from corner bracket 55.

In more detail, maintenance personal's bolt in the side panel 54 of outwarding winding, and side panel 54 removed from corner bracket 55,56.Here, maintenance personal's grasping is also held the handle 53 that is installed in the side panel 54, drops to prevent side panel.Next, the maintenance personal removes electric component unit 40 from corner bracket 55.

When dismantling the control cabinet 42 of electric component unit 40, the maintenance personal can contact the motor 70 that is installed in the unit ventilators 20, and the motor 70 that exposes is removed from dial hood 28.

In more detail, the maintenance personal removes the bolt 95 of the support component 90 that connects fan shroud 28 and motor 70, and motor 70 is removed from fan shroud 28.

If the maintenance personal attempts to think only to dismantle the rotor 72 of motor 70, then he (she) can finish this work by the mode of removing bolt 71a, can easily rotor 72 be removed from motor 70 like this.Described bolt 71a connects rotor sleeve 73 and axle 71.

In addition, when dismounting rotor 72, the maintenance personal also can touch stationary part 80, thereby she (he) can easily check defective part.

That is to say, not only make the operation of dismounting motor 70 need not to dismantle unit ventilators 20 according to indoor unit 10 of the present invention, and, for detecting the inside of motor 70,, also can remove rotor 72 at first not removing under the situation of motor 70.

Figure 18 is a perspective view, and it illustrates according to the described air-conditioner indoor unit of second embodiment of the invention, and the top of this indoor unit links to each other with two pipelines.Figure 19 is a perspective view, and it illustrates the indoor unit that different pipelines connect configuration that has among Figure 18.Figure 20 is the perspective view that different in addition pipelines connects the indoor unit of configuration that has shown in Figure 18.

Figure 21 is the cutaway view according to the described unit ventilators of second embodiment of the invention.

With reference to Figure 19 to 20, be according to the difference of second embodiment of the present invention and its first embodiment: a plurality of

pipelines

200 and 300 are installed on the casing 11.

Specifically, comprise the many groups exhaust outlet that connects a plurality of pipelines 200,300 and make air flow through the unit ventilators 220 of a plurality of

pipelines

200 and 300 according to indoor unit 10 of the present invention.

In more detail, organize exhaust outlet more and comprise first exhaust outlet group (having front-seat gas port 14a and last exhaust outlet 16a) and the second exhaust outlet group (having front-seat gas port 14b and last exhaust outlet 16b).According to the quantity of pipeline, can form more groups of exhaust outlets.For to each group exhaust outlet discharged air, the unit ventilators 220 with a plurality of blower fans has been installed, the quantity of blower fan is corresponding with the quantity of pipeline.Except structural above-mentioned difference, all identical among the parts of the second embodiment remainder and first embodiment, thus just omitted explanation here to these parts.

Described a plurality of pipeline comprises first and

second pipelines

200 and 300, and these pipelines can be installed in identical direction (as shown in figure 19) or different directions from each other (as shown in figure 20).

Though not shown, casing 11 can be connected on a plurality of

pipelines

200 and 300, but casing 11 also can only be connected on the pipeline.

Specifically, can be installed in refrigerating capacity or add the different zone of heat according to the described air-conditioner indoor unit 10 of second embodiment of the invention, it can increase or reduce the air capacity of passing

pipeline

200 and 300 circulations by blower fan.

For example, can cool off or heat the little interior space according to initial setting up, can only one group in first group of exhaust outlet (14a and 16a) and the second group of exhaust outlet (14b and 16b) be connected on the pipeline, will be with packaged unit less than the other one group of exhaust outlet sealing that connects.If the interior space to be cooled or to be heated increases, then need not to install extra air-conditioner.The packaged unit of sealing exhaust outlet group be can remove,, the refrigeration or the heating load amount that can obtain to increase be used for so that can utilize other pipeline.

Be provided with the space except initial, if increase the space that to cool off or to heat, then owing to exchange between closure and the top closure forwardly according to the described pipeline of second embodiment and be connected direction on the casing 11, therefore, this indoor unit can more easily reach extra requirement.

By special blower fan is provided, so that air passes through each

pipeline

200 and 300 of casing 11, this indoor unit just can not throw into question.

But, although two

blower fans

224 and 234 have been installed in this embodiment, flowing through two

passages

200 and 300 to make air respectively, these two blower fans 224 are driven by identical motor 270 with 234.

In more detail, motor 270 has the axle 271 of installation, makes its center of passing

blower fan

224 and 234, and axle 271 also passes a fan shroud 228, and wherein the blower fan 234 that closes in the fan shroud 238 is installed and be connected to motor 270.

Though two blower fans 224 are connected on the identical motor 270 with 234 in this embodiment,

blower fan

224 and 234 is contained in the fan shroud 228 and 238 of independent installation.

Therefore, can make a rotation in fan shroud 228 and 238 according to the closure of

pipeline

200 and 300, thus position that can conversion fan shroud exhaust outlet.

All identical among the assembling of axle 271, blower fan 224,234 and other configuration aspects and first embodiment, thereby will omit explanation here to these assembling works.

Figure 22 is the decomposition diagram according to the described air-conditioner indoor unit of third embodiment of the invention.

With reference to Figure 22, comprise independent seal cover 400 according to the described air-conditioner indoor unit 10 of third embodiment of the invention, the sealing lid is used for sealing the exhaust outlet that is formed on casing front panel or the top panel.

Except that seal cover 400, have the structure identical with first embodiment according to the described indoor unit 10 of third embodiment of the invention.Therefore, with the explanation of omitting to these same parts.

In more detail, indoor unit 10 has by the exhaust outlet of seal cover 400 sealing (not being the exhaust outlet of the casing 11 that communicates with the exhaust outlet of fan shroud 28).

Figure 23 is a cutaway view, and it illustrates the installation site according to the unit ventilators and the seal cover of the link position of pipeline.Figure 24 is a cutaway view, and it illustrates a kind of alternative site according to the unit ventilators of pipeline link position and seal cover.

Figure 23 illustrates the situation that pipeline 100 is connected indoor unit 10 front portions.Here, the exhaust outlet of fan shroud 28 communicates with front-seat gas port 14, and seal cover 400 is connected with last exhaust outlet 16 on the top panel 58.

Figure 24 illustrates the situation that pipeline 100 is connected indoor unit 10 tops.Here, upwards rotate unit ventilators 20, so that the exhaust outlet of fan shroud 28 is communicated with last exhaust outlet 16.And seal cover 400 is connected with front-seat gas port 14 on the front panel 52.

According to indoor unit of the present invention can with in a plurality of exhaust outlets that are formed on the casing of indoor unit one be connected on the single pipeline.So just can be according to the position of the installation site of indoor unit and pipeline to be connected, the freely link position of conversion pipeline on casing.

In addition, according to the present invention, install and used brushless direct-current (BLDC) motor in the air-conditioner indoor unit, owing to compare with the motor of other type, this motor has very high reliability and operational efficiency, so that the indoor unit of air-conditioner improved.

According to the present invention, the Brushless DC motor of installing in the indoor unit has it and is fixed on stator case on the fan shroud, and therefore, this has simplified the assembling work of Brushless DC motor, and has reduced the vibration in its running.

And, having the support component of three arms according to the Brushless DC motor of air-conditioner indoor unit of the present invention, this support component is fixed on the blower fan by fixture, thereby can freely introduce air by the either side of fan shroud.

In addition, can be connected on a plurality of pipelines according to air-conditioner indoor unit of the present invention.Form the exhaust outlet that is connected with these pipelines in front on plate and the top panel, so can make exhaust outlet be equipped with the installation site of pipeline easily.Therefore, a plurality of ducted each can be connected on the indoor unit of air-conditioner according to different directions from each other, thereby can conversion from the emission direction of the air of indoor unit.

In addition, also can be only from a plurality of ducted one of them discharge of pipes air, with the load capacity of conversion indoor unit.

Can be according to air-conditioner indoor unit of the present invention at the identical or a plurality of pipelines of different directions up conversion, thus the spatial constraints that indoor unit is installed reduced.

Because this air-conditioner indoor unit has the supporting guide that is fixed on its bottom, therefore, can use forklift easily to transport this indoor unit.

When the position of the exhaust unit on being connected to pipeline on the air-conditioner indoor unit changes, the frame of unit ventilators can be rotated and assemble, therefore untapped exhaust outlet can be sealed.

At last, according to air-conditioner indoor unit of the present invention, can make the sealing exhaust outlet lid and unit ventilators integrally formed, so the surface of seal cover can with the flush of front panel or top panel.Like this, in the process of transportation indoor unit, the join domain of seal cover can not hinder outside object, can't be damaged.

Obviously, those skilled in the art can make multiple modification and distortion to the present invention.Thereby, if multiple modification that the present invention is made and distortion drop on after claim and the scope of their equivalent within, then the present invention includes such modification and conversion.

Claims

1. the indoor unit of an air-conditioner comprises:

One casing comprises a plurality of exhaust outlets that are formed on its different surfaces;

One is installed in the heat exchanger in casing one side; With

At least one unit ventilators, be installed in casing inboard and include selectively with a plurality of exhaust outlets of casing in an exhaust outlet that is communicated with,

The casing exhaust outlet that comes conversion to open according to the direction of unit ventilators exhaust outlet wherein.

2. indoor unit according to claim 1, wherein heat exchanger is installed on the edge of casing one side, and this casing has the air entry of the back that is formed directly into heat exchanger.

3. indoor unit according to claim 1, wherein the exhaust outlet of unit ventilators is communicated with one of them exhaust outlet of casing, and the casing exhaust outlet that is communicated with the exhaust outlet of unit ventilators is connected on the pipeline.

4. indoor unit according to claim 1, the casing exhaust outlet that wherein is communicated with the unit ventilators exhaust outlet is opened, and remaining simultaneously casing exhaust outlet seals.

5. indoor unit according to claim 1 also comprises seal member, is used for sealing the casing exhaust outlet that is not communicated with the exhaust outlet of unit ventilators.

6. indoor unit according to claim 5, wherein seal member is connected on the casing.

7. indoor unit according to claim 5, wherein seal member is connected with the unit ventilators one.

8. indoor unit according to claim 1 wherein is formed on front surface and upper surface that exhaust outlet on the casing is formed at casing.

9. indoor unit according to claim 1, wherein unit ventilators comprises:

One is fixed on the blower fan frame on the casing;

One is fixed on the fan shroud on the blower fan frame, and forms air suction inlet and air discharge ports;

One is arranged on the blower fan in the fan shroud, is used for sucking and the discharge air; With

One is used for driving the motor sub-assembly of blower fan.

10. indoor unit according to claim 9, wherein motor sub-assembly has:

One is fixed on the support component on the fan shroud;

One is fixed on the stator on the support component;

One rotor around the rotation of stator outer surface; With

One passes the center of stator and is connected epitrochanterian axle.

11. indoor unit according to claim 1 also comprises the electronic component unit that is installed in the casing.

12. indoor unit according to claim 1, wherein casing also comprises:

One base plate;

One is installed in the corner bracket of base plate corner vertically;

One is installed in the front panel at place, base plate the place ahead vertically;

One is installed in the side panel of base plate side vertically; With

One is installed in the top panel of corner bracket top.

13. indoor unit according to claim 12, wherein casing also comprises on the inboard that closely anchors at side panel and the control cabinet that is connected with corner bracket.

14. indoor unit according to claim 1 also comprises the supporting guide that is installed in bottom of shell and comprises the groove part with preset width and degree of depth.

15. indoor unit according to claim 1, wherein casing comprises that many groups have the exhaust outlet that is formed on the front panel and are formed on the exhaust outlets of the exhaust outlet on the top panel, and group quantity that should many group exhaust outlets is corresponding with the quantity of unit ventilators.

16. indoor unit according to claim 15, wherein

Locate unit ventilators respectively and respectively organize exhaust outlet with corresponding casing;

Unit ventilators have respectively with the many groups exhaust outlet that constitutes casing in a exhaust outlet that links to each other in one group the exhaust outlet, and

Each exhaust outlet of unit ventilators is installed along identical or different directions.

17. indoor unit according to claim 12, wherein side panel articulates with corner bracket or removably is connected.

18. indoor unit according to claim 12 wherein has only side panel removably to connect or is articulated on the casing, so that replaceable or maintenance unit ventilators.

19. indoor unit according to claim 12, wherein side panel has handle mounted thereto.

20. indoor unit according to claim 13, wherein control cabinet is connected to corner bracket by flange portion, and this control cabinet has by the side panel sealed opening.

21. indoor unit according to claim 20, wherein flange portion comprises the flange that is formed on the corner bracket and from the outstanding flange of control cabinet either side, and be formed on the corner bracket flange and from the outstanding flange interlocking of control cabinet either side.

22. indoor unit according to claim 9, wherein the casing exhaust outlet that is communicated with the air discharge ports of fan shroud is connected on the pipeline, and can change the installation site of blower fan frame, with the direction according to the link position conversion fan shroud exhaust outlet of pipeline.

23. indoor unit according to claim 5, wherein when one of them exhaust outlet of seal member sealed enclosure, casing and seal member form and flush each other.

24. indoor unit according to claim 9, wherein motor sub-assembly is external-rotor-type brushless direct-current (BLDC) motor.

25. indoor unit according to claim 10, wherein said support component are fixed on the air suction inlet side of described fan shroud.

26. indoor unit according to claim 10, wherein support component also comprises:

One holds the bearing housing of bearing, is used for supporting the axle that passes this bearing housing;

One extends radially and is fixed on fixed arm on the side of fan shroud from bearing housing; With

One is positioned at the stator installation portion that place, bearing housing rear portion has predetermined diameter.

27. indoor unit according to claim 26 also has the damping means that is inserted between fixed arm and the fan shroud.

28. indoor unit according to claim 9 also comprises at least one secondary ventilation unit, it comprises:

One further is connected accessory fan on the motor sub-assembly by turning cylinder;

The accessory fan cover of one encapsulation accessory fan; With

One is used for supporting the accessory fan frame of accessory fan cover.

29. indoor unit according to claim 28 wherein can be installed unit ventilators and at least one secondary ventilation unit respectively, so as to be arranged on the air discharge ports of fan shroud identical or different directions from each other on.

30. indoor unit according to claim 13, wherein said casing also comprises the motor sub-assembly that is used for driving blower fan, and the operation of replacing or maintenance motor sub-assembly comprises:

The first step pivots or the dismounting side panel;

Second step dismounting control cabinet; With

The 3rd step is by the side opening dismounting motor sub-assembly of casing.

31. indoor unit according to claim 14, wherein supporting guide has U-shaped cross-section, and be provided with along from left to right or the preset distance that is spaced apart from each other of direction from front to back be installed in pair of guide rails on the bottom of base plate.

32. indoor unit according to claim 9, wherein blower fan is a multiblade fan.