CN101675303A

CN101675303A - Air conditioner

Info

Publication number: CN101675303A
Application number: CN200780001881A
Authority: CN
Inventors: 李乃荣
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2006-02-16
Filing date: 2007-02-06
Publication date: 2010-03-17
Anticipated expiration: 2027-02-06
Also published as: WO2007094578A3; CN101675303B; WO2007094578A2; KR20070082295A; KR101314892B1

Abstract

An air conditioner is provided. The air conditioner includes a cabinet, a heat exchanger, a blower fan, and a motor. The heat exchanger is provided within the cabinet. The blower fan is installed in alocation near the heat exchanger, to forcefully generate a flow of air. The motor includes a rotor to which the blower fan is coupled, a stator enclosed by the rotor and generating a magnetic field through a supplied current, and a shaft fixed to the stator.

Description

Air-conditioning

Technical field

The present invention relates to a kind of air-conditioning, more specifically, relate to a kind of use brshless DC motor (BDCM) and blower fan and be installed in air-conditioning on this motor outside.

Background technology

Air-conditioning is the refrigeration/heating system commonly used that is used to cool off or heat the interior space.

Air-conditioning can be divided into substantially: split-type air conditioner, and it has the outdoor unit that is installed separately with indoor unit; And integrated air container, its parts with outdoor unit and indoor unit are integrated in the unit.

Recently, for one family is installed two or more air-conditionings, perhaps each office for many offices building installs an air-conditioner, and a kind of multicell air-conditioning has become the effective selection scheme that occurs on market.This multicell air-conditioning is having the single outdoor unit of use under the situation of a plurality of indoor units, so that the effect identical with a plurality of split-type air conditioners are installed to be provided.

Fig. 1 is the exemplary isometric view that the multicell air handling system is shown, and this air handling system has an outdoor unit that is connected to two indoor units.

With reference to Fig. 1, vertical type first indoor unit 20 is installed in the living room, and wall-hanging second indoor unit 30 is installed in the principal bedroom.An outdoor unit 10 that is used to carry out refrigerant compression, condensation and expansion is installed in outdoor balcony; And be installed in the evaporation that above-mentioned first indoor unit 20 in the different interior spaces and second indoor unit 30 are connected to outdoor unit 10 respectively and carry out refrigerant.So construct this air handling system.

Fig. 2 is the stereogram that illustrates according to the internal structure of the outdoor unit of prior art.

With reference to Fig. 2, comprise according to the outdoor unit 10 of prior art: compressor 40 is used for refrigerant is compressed to high temperature and high pressure; Outdoor heat converter 42, its be connected to compressor 40 and the refrigerant that will flow out from compressor 40 by carrying out condensation with the heat exchange of outdoor air; Outdoor blowers fan 44, it makes outdoor air blow to outdoor heat converter 42; And liquid-gas separator 46, be used for assembling liquid cryogen from the refrigerant of first

indoor unit

20 and 30 outflows of second indoor unit.

And, provide the fan electromotor 50 of revolving force to be arranged on the inside or the rear portion of outdoor blowers fan 44 to outdoor blowers fan 44.Fan electromotor 50 is supported on the motor cabinet 52.

Although not shown, first indoor unit 20 and second indoor unit 30 respectively have: built-in indoor heat converter produces cold air in order to the heat exchange by refrigerant and room air; The indoor blower fan is used to make room air to blow to indoor heat converter; Or the like.

Yet, as mentioned above, only have an outdoor blowers fan 44, a compressor 40 and an outdoor heat converter 42 according to the outdoor unit of the air-conditioning of prior art, make the performance of whole air handling system descend.

And the fan electromotor 50 that is used for traditional outdoor unit 10 uses alternating current to have brush as power supply and motor.Thereby after long-term the use, because the wearing and tearing of brush can make power supply interrupt or short circuit can occur.

Summary of the invention

Technical problem

Therefore, the present invention relates to a kind of air-conditioning, it has been avoided basically because the restriction of prior art and one or more problems that shortcoming is caused.

The purpose of this invention is to provide a kind of air-conditioning, its use need not the BLDC motor of brush.

Another object of the present invention provides a kind of air-conditioning, and its method by improved coupling connection blower fan and motor supplies power to the stator of motor better.

Another purpose of the present invention provides a kind of air-conditioning, and wherein the method by improved coupling connection blower fan and motor is rotated blower fan more reposefully.

Technical scheme

In order to realize these purposes and other advantage and,, to provide a kind of air-conditioning herein, comprising: shell as specializing and wide in range description according to purpose of the present invention; Heat exchanger, it is provided with in the enclosure; Blower fan, near the position that it is installed in the heat exchanger is used for the angry stream of powerful real estate; And motor, it comprises with the rotor of blower fan coupling connection, by rotor surrounds and electric current by supply produces the stator in magnetic field and is fixed to stator axle.

In another aspect of this invention, a kind of air-conditioning is provided, comprise: motor, described motor comprises stator, left side rotor, right side rotor, axle and fixed component, stator has around described stator and repeatedly twines the coil that is used to generate an electromagnetic field, and the left side rotor is arranged on a side and the rotation of stator, the right side rotor be arranged on the opposite side of stator and with left side rotor coupling connection so that rotation, axle and the whole coupling of stator join and provide the pivot of rotor, and fixed component is used for connecting axle and stator; A plurality of blower fans, it is coupled to left side rotor and right side rotor respectively; And a plurality of heat exchangers, it is arranged to respectively near blower fan.

In still another aspect of the invention, provide a kind of air-conditioning, comprising: motor, described motor comprises fixed axis, fixed component, stator and rotor, fixed component heart place therein is coupled to fixed axis, and stator is fixed to the end of fixed component, and rotor surrounds stator and rotation; Blower fan, it is coupled to the outer surface of rotor; And heat exchanger, be used in the rotation by blower fan and heat-shift between inhaled air and the refrigerant, wherein fixed axis and stator are static, and rotor and blower fan integrally rotate.

Advantageous effects

Advantage according to air-conditioning of the present invention is to have used the BLDC motor, thereby can prevent the interruption according to the power supply in the air-conditioning of prior art.That is, can prevent after long-time the use or damage caused short circuit and various other electric fault owing to the wearing and tearing of brush.Therefore, improved product reliability.

Another advantage according to air-conditioning of the present invention is that the BLDC motor that uses among the present invention is different from traditional BLDC motor, because the Stator and electrical machine axle fixes, and rotor is around the outer sideway swivel of stator.Therefore, greatly improved the supply of electric power of being undertaken by fixed stator.

Be outside that blower fan is fixed to rotor in order to rotating according to the another advantage of air-conditioning of the present invention, thereby blower fan can rotate more reposefully with rotor.

Description of drawings

Fig. 1 is the exemplary isometric view that a kind of multicell air handling system is shown, and described air handling system has an outdoor unit that is connected to two indoor units.

Fig. 3 is the stereogram that illustrates according to the outside of the outdoor unit of air-conditioning of the present invention.

Figure 4 and 5 are stereograms that the internal structure of the outdoor unit among Fig. 3 is shown.

Fig. 6 is the exploded perspective view of the outdoor unit among Fig. 3.

Fig. 7 is the stereogram that illustrates according to the outside of air blast of the present invention.

Fig. 8 is the exploded perspective view of the air blast among Fig. 7.

Fig. 9 is the stereogram that illustrates according to the outside of blower fan of the present invention.

Figure 10 and 11 is the stereograms that illustrate according to the structure of the right side fan of blower fan of the present invention.

Figure 12 is the stereogram that is illustrated in according to the outside of the motor that comprises in the air blast of the present invention.

Figure 13 is the exploded perspective view that is included in according to the motor in the air blast of the present invention.

Figure 14 is the stereogram that the internal structure of the rotor in the motor that is included among Figure 13 is shown.

Figure 15 is the cross-sectional view that the motor among Figure 12 is got along line I-I '.

Figure 16 is the sectional stereogram that the motor among Figure 12 is got along line I-I '.

Figure 17 illustrates the stereogram that is included in according to the coupling connection of Support bracket in the air blast of the present invention and reinforcement.

The specific embodiment

Now will be concrete with reference to preferred implementation of the present invention, embodiment is shown in the drawings.Under possible situation, run through accompanying drawing and use identical Reference numeral to point out same or analogous parts.

Fig. 3 is the stereogram according to the outdoor unit of air-conditioning of the present invention, and Figure 4 and 5 are stereograms that the internal structure of the outdoor unit among Fig. 3 is shown, and Fig. 6 is the exploded perspective view of the outdoor unit among Fig. 3.

With reference to Fig. 3 to Fig. 6,110--its formation in chassis is according to the base plate of the outdoor unit 100 of air-conditioning of the present invention--be arranged on the bottom of outdoor unit 100.And it is outstanding outwardly that a plurality of standing parts 112 form from the chassis 110 left side and right side.When the clamp structure of for example screw passed standing part 112, they can be fastened to chassis 110 ground of building.

A pair of heat exchanger 120 and 120 ' vertically install--each heat exchanger is positioned at a wherein side on chassis 110.Heat exchanger 120 and 120 ' heat-shift between through wherein refrigerant and outdoor air, and towards installing each other.That is, left side heat exchanger 120 is installed on the left side edge on chassis 110, and right side heat exchanger 120 ' be installed on the right side edge on chassis 110.

The air-

inlet grille

130 and 130 that left side and right side heat exchanger 120 and 120 ' respectively have are mounted thereon '.Air-inlet grille 130 and 130 ' guiding air flows in the outdoor unit 100 and comprises a plurality of grill-shaped air flues.More specifically, left side air-inlet grille 130 is formed on left side heat exchanger 120 1 sides, and right side air-inlet grille 130 ' be formed on right side heat exchanger 120 ' one sides.

And, safety net 135 and 135 ' be installed on respectively heat exchanger 120 and 120 ' and air-inlet grille 130 and 130 ' between.That is, left side safety net 135 is arranged between left side heat exchanger 120 and the left side air-inlet grille 130, and right side safety net 135 ' be arranged on right side heat exchanger 120 ' and right side air-inlet grille 130 ' between.Particularly, safety net 135 and 135 ' have is netted, and from pass air-inlet grille 130 and 130 ' air filter foreign object, for example also stoping simultaneously, the body part of finger inserts in the outdoor unit.

A pair of front baffle 140 is installed on the front end place on chassis 110.Particularly, front baffle 140 is installed on the left side and the right side of chassis 110 front ends respectively, and support air-inlet grille 130 and 130 ' and safety net 135 and 135 '.

And exhaust, safety grid 142 is installed between the paired front baffle 140.Exhaust, safety grid 142 is installed on the leading edge place on chassis 110 vertically.Exhaust, safety grid 142 form be similar to safety net 135 and 135 ' netted, and prevent that body part from inserting in the exhaust outlet 232 of blower-casting 230 (will be described below).

Back support frame 144 be installed on respectively air-inlet grille 130 and 130 ' and safety net 135 and 135 ' rear end.Support frame 144 support air-inlet grilles 130 and 130 ' and safety net 135 and 135 ' the rear end, and support simultaneously the

air blast

200 and 200 that will be described below ' front end.

And shell 150 is installed on the rear end on chassis 110.Shell 150 has " U " shape cross section, makes shell 150 cover the rear surface of outdoor unit 100 and the part of left side and right lateral surface.

Simultaneously, a side of shell 150 has the inspection opening 152 of perforation.Inspection opening 152 is used for easily obtaining the passage from rear to outdoor unit 100 inside of outdoor unit 100.And control cabinet 190 is positioned at the place ahead of inspection opening 152.

Inspection opening 152 is by inspection plate 152 ' sealing.Particularly, the identical shape and size of inspection plate 152 ' have and inspection opening 152.Therefore, the coupling member by for example screw is with inspection plate 152 ' be coupled to shell 150 in order to leakage check hole 152 from the rear of outdoor unit 100.

And pipeline through hole 154 is formed at the posterior end of shell 150, is used to allow pipeline to pass shell 150 backward about shell 150 in the past.And conduit bracket 156 is installed on the pipeline through hole 154.That is, pipeline through hole 154 is sealed by the conduit bracket 156 that size equals pipeline through hole 154.Be used to guide the pipeline (not shown) that refrigerant flows between outdoor unit 100 inside and outside to pass pipeline through hole 154.

Bulkhead bracket 158 is formed at the front end place of shell 150 respectively.Bulkhead bracket 158 is formed at the left front end of shell 150 and right front ends respectively and forms has a pair of of predetermined gap therebetween.Therefore, be used to insert the septalium 158 of dividing plate 160 both side ends ' be formed between the paired bulkhead bracket 158.Dividing plate 160 will be described below.

Particularly, septalium 158 ' extend at vertical direction.And the inner surface of the end of shell 150 is to form towards each other mode.Preferably, septalium 158 ' width equal the thickness of dividing plate 160.More specifically, septalium 158 ' width be a bit larger tham the thickness of the dividing plate 160 that describes below.Therefore, preferably, dividing plate 160 in the vertical directions can be attached in the mode of sliding septalium 158 ' in.

The dividing plate 160 that spaces in the outdoor unit 100 are divided into front space and back space be installed in heat exchanger 120 and 120 ' backmost between the part.

Dividing plate 160 with rectangular plate shape be installed in the part backmost of left side heat exchanger 120 and right side heat exchanger 120 ' backmost between the part, and will wherein be equipped with the

compressor

180 and 180 that will be described below ' the space with wherein be equipped with

air blast

200 and 200 ' the space separate.

More specifically, dividing plate 160 inserts the groove that is arranged in shell 150 front end places regularly, that is, two lateral margins of dividing plate 160 insert from the top along direction down respectively the septalium 158 that is formed at dividing plate 160 front ends ' in, in order to dividing plate 160 is coupled to shell 150.

And top panel 170 is installed on the upside of shell 150.Top panel 170 has the square plate shape that size equals the size on chassis 110.Therefore, top panel 170 forms the outer surface of upper of outdoor unit 100.

Be used to force the mobile air blast of air to be installed on the place ahead of dividing plate 160.Particularly, a pair of

air blast

200 and 200 ' vertically be arranged in paired heat exchanger 120 and 120 ' between.

More specifically, air blast is by down air blast 200 and last air blast 200 ' form, following air blast 200 is installed on the bottom in the inner space on chassis 110 and goes up air blast 200 ' be installed on down the top of air blast 200 tops, and time air blast 200 and last air blast 200 ' have identical construction.

Air blast

200 and 200 ' be slidably inserted in the paired support frame 144 is in order to air

blast

200 and 200 ' be coupled to support frame 144.Therefore, air blast fixture 201 extends in the left side of air blast and right side respectively, make the air blast fixture 201 that extends can insert air blast holddown groove 144 in the support frame 144 ' in.

Herein, the thickness of air blast fixture 201 less than air blast holddown groove 144 ' width.Therefore, can be when air blast fixture 201 inserts air blast holddown grooves 144 ' middle along air blast holddown groove 144 ' slip.

And shell holder 202 is arranged on down the lower end of air blast 200.Shell holder 202 be installed on the upper surface on chassis 110 in order to support

drum blower fan

200 and 200 '.The upper surface of shell holder 202 has the corresponding shape in bottom with following air blast 200.That is, the upper surface of shell holder 202 is with crooked so that fully compress blower casing 230 with the corresponding shape of the lower surface of blower casing 230 (will be described below).

As embodiment illustrate the

air blast

200 and 200 of two of the same form ', yet can be arranged to three or more of single-piece, the same form.Paired

air blast

200 and 200 ' blow from its each side suction air and with the direction of air

forward.Air blast

200 and 200 ' specific descriptions will provide below.

A plurality of compressors 180 and 180 ' be installed on rear of dividing plate 160.Compressor 180 and 180 ' be installed on regularly on the chassis 110, and refrigerant is compressed to high temperature and high pressure.

As shown in the figure, two of the same form of compressor 180 and 180 ' be arranged to.That is, one is the constant speed compressor 180 with constant speed operation, and another be the frequency-changeable compressor 180 that can control its service speed '.Constant speed compressor 180 is compressors of operating down in uniform revolutions per minute (RPM), and frequency-changeable compressor 180 ' be the frequency-changing cyclone formula compressor of regulating its RPM according to its load of handling.

Therefore, thus when only using minority indoor unit load light, frequency-changeable compressor 180 ' at first operation, and increase to frequency-changeable compressor 180 ' in the time of can't handling load separately, constant speed compressor 180 operations gradually at load.

Liquid-gas separator 182 and liquid reservoir 184 be installed in respectively compressor 180 and 180 ' near.Liquid-gas separator 182 filter the refrigerant of liquid forms and only allow gaseous refrigerant flow into compressor 180 and 180 ' in.But liquid reservoir 184 is stored remaining refrigerant in the mode of regulated quantity.

And control cabinet 190 is installed on the behind of dividing plate 160.Particularly, control cabinet installation bracket 192 is installed on the back on dividing plate 160 tops, and control cabinet 190 is installed on the control cabinet installation bracket 192.Control cabinet 190 comprises a plurality of control assemblies that are installed on wherein, is controlling the overall operation of indoor unit 100.

Support frame has on the upper left surface that is installed on chassis 110 respectively and the upper right surface and a plurality of blower assembly couplings are unified into is the support frame 144 of a unit.And the transversary of support frame 144 forms " U " shape.When mounted, support frame 144 is that mode with vertical extension forms and forms with towards each other with symmetrical manner.Air blast holddown groove 144 ' be formed in the inner surface of support frame 144 is used to insert air blast fixture 201.Air blast holddown groove 144 ' width corresponding to the thickness of air blast fixture 201.Particularly, so air blast holddown groove 144 ' the be slightly wider than thickness of air blast fixture 201 is can be along air blast holddown groove 144 ' slip when air blast fixture 201 inserts air blast holddown grooves 144 ' middle.

Fig. 7 is the stereogram that illustrates according to the outside of air blast of the present invention, and Fig. 8 is the exploded perspective view of the air blast among Fig. 7, and Fig. 9 is the stereogram that illustrates according to the outside of blower fan of the present invention.

With reference to Fig. 7 to 9, air blast 200 comprises: blower fan 210 is used for producing air-flow by rotation; Motor 220, it produces revolving force in order to rotary blower fan 210; And blower-casting 230, the exterior circumferential that it is arranged on blower fan 210 is used to guide the discharge by blower fan 210 inhaled airs.Herein, motor 220 is BLDC motors, will more specifically describe its structure with reference to accompanying drawing below.

Blower fan 210 forms in order to form the fan of a pair of coupling connection with symmetrical manner.As shown in Figure 8, blower fan 210 comprise that coupling is associated in together and form the left fan 210 of symmetry ' and right side fan 210 ".

Left fan 210 ' and right side fan 210 " utilize screw or other clamp structure to tighten together, and in conjunction with forming the monomer assembly.Therefore, left fan 210 ' and right side fan 210 " surround the outside of motor 220.

Motor 220 is not for having the motor of the brush that is used to transmit electric power.This motor is brushless direct-current (being commonly referred to a BLDC) motor.

Motor is arranged in the blower fan 210.That is, motor 220 be enclosed in left fan 210 ' and right side fan 210 " between.

More specifically, left fan 210 ' and right side fan 210 " be mounted to the outside of motor 220 regularly, and with the rotation of the rotor 226 (among Figure 13) of motor 220.

Blower casing 230 forms in order to surrounding the outside of blower fan 210, and the left side of blower casing 230 and right side open wide, and exhaust outlet 232 is formed on the front portion of blower casing 230 simultaneously.Exhaust outlet 232 is discharged the air that is blowed by blower fan 210 powerfully.

The left side of blower casing 230 and right side also have the

orifice plate framework

234 and 234 that is mounted thereon '.Particularly, the left side has setting left hole plate framework 234 thereon, and the right side have thereon right ports plate framework 234 of setting '.Left hole plate framework 234 has aperture, the left side 234a that is formed at wherein, and right ports plate framework 234 ' have aperture, the right side 234 ' a that is formed at wherein.

In addition, the left side of blower casing 230 and right side have Support bracket 240 and 240 ', be used to support two ends of the motor 220 that is mounted thereon respectively.In other words, the left side of blower casing 230 is provided with left side Support bracket 240 in order to the left end of support motor 220, and the right side of blower casing 230 is provided with right side support bracket 240 ' in order to the right-hand end of support motor 220.

Left side Support bracket 240 and right side support bracket 240 ' also comprise

reinforcement

250 and 250 '.That is, left side Support bracket 240 comprises left side reinforcement 250, and right side support bracket 240 ' comprise right side reinforcement 250 '.Herein, reinforcement 250 and 250 ' with two ends of Support bracket 240 and 240 ' support motor 220.

Although not shown, cushioning members (filler) also can be arranged on Support bracket 240 and 240 ' the central part office.Particularly, cushioning members absorbs the vibration from motor 220 or blower fan 210, in order to prevent

air blast

200 and 200 ' vibration be sent to the outside.Cushioning members can be formed by rubber or other elastomeric material.

With reference to Figure 10 and 11, the right side fan 210 that forms according to blower fan 210 of the present invention " comprising: hub 212; A plurality of blades 216, described blade is arranged at regular intervals around the periphery of hub; And guard shield 214.

Particularly, the base plate of hub 212 forms circular slab, and is attached to the flange portion 228 of rotor 226 (will be described below).In other words, every side of flange portion 228 be attached to respectively left fan 210 ' and right side fan 210 " the hub base plate.And, form a plurality of fan screw hole 212a around the base plate of hub 212.Fan screw hole 212a is the hole that is used to insert fan screw (not shown), in order to left fan 210 ' be coupled to right side fan 210 ".

Motor screw fastener hole 212b also is formed in the base plate of hub 212.Motor screw fastener hole 212b is the hole of exposing the head of the motor screw 228b that is fastened to flange portion 228.Therefore, motor screw fastener hole 212b can be formed with the diameter greater than fan screw hole 212a diameter.As shown in the figure, motor screw fastener hole 212b is formed between the fan screw hole 212a with predetermined balanced interval.

Motor cover 218 is recessed with the predetermined degree of depth at the core of hub 212.An end of motor 220 is contained in the motor cover 218.The shaft through-hole 218a that is used for allowing fixed component 224 pass is formed at the core of motor cover 218.The diameter of shaft through-hole 218a is greater than the external diameter of fixed component 224.This will more specifically describe below.

Guard shield 214 connects the also end of support blade 216, and forms annular mushroom shaped.Blade 216 directly produces air-flow, and to have rule mode at interval therebetween a plurality of blades 216 is set.

Left fan 210 ' form and right side fan 210 " identical, and fan is set to towards each other.Its specific descriptions will no longer provide.

Figure 12 illustrates the stereogram that is included in according to the outside of the motor in the air blast of the present invention, Figure 13 is the exploded perspective view that is included in according to the motor in the air blast of the present invention, Figure 14 is the stereogram that the internal structure of the rotor in the motor that is included among Figure 13 is shown, Figure 15 is the cross-sectional view that the motor among Figure 12 is got along line I-I ', and Figure 16 is the sectional stereogram that the motor among Figure 12 is got along line I-I '.

With reference to Figure 12 to 16, motor 220 according to the present invention comprises: stator 222, and it has the coil (C) that is used to generate an electromagnetic field, repeatedly twine; Fixed component 224 is used for fixing stator 222; And rotor 226, form described rotor 226 and make its outside that surrounds stator 222 and its be provided with a plurality of permanent magnets (M).

Particularly, stator 222 is connected with fixed component 224, and fixed component 224 passes the center of stator 222 in order to the pivot as rotor 226.In other words, rotor 226 is around fixed component 224 rotations that are positioned at the center.Therefore, bearing (B) is arranged between rotor 226 and the fixed component 224.

Fixed component 224 comprises: be used for fixing the fixed disk 224 of stator 222 ', and the rod fixed axis 224 that passes fixed disk 224 ' center ".

Particularly, fixed axis 224 " comprising: insert and be fixed to fixed disk 224 ' the left side fixed axis 224 of left side core ", and insert and be fixed to fixed disk 224 ' the right side fixed axis 224 of right side core ".

Fixed disk 224 ' comprising: be connected to the circular plate type dish 224 ' a of portion of stator 222, and the axle support section 224 ' b that extends preset distance from a side of dish portion 224 ' a center with predetermined diameter.Stator 222 is fixed to the edge of the side of the 224 ' a of dish portion.Left side fixed axis 224 " a insert fixed disk 224 ' the center." b inserts the center of axle support section 224 ' b to right side fixed axis 224.That is, form a central shaft towards left side fixed axis 224 " a and the right side fixed axis 224 " b that is provided with each other in the center of the 224 ' a of dish portion.

Bearing B respectively around left side fixed axis 224 " a and right side fixed axis 224 " thus the outer surface setting of b helps the steady rotation of rotor 226.That is, in order to help the rotation of left side rotor 226 and right side rotor 226 ' (will be described below), bearing B installs around the outer surface of left side fixed axis 224 " a and right side fixed axis 224 " b respectively, and is surrounded by rotor 226.

Electric wire groove 224b is formed at right side fixed axis 224 " among the b.That is, electric wire groove 224b is recessed into right side fixed axis 224 " in the left side of b with the predetermined degree of depth.Electric wire groove 224b is used to allow the electric wire (not shown) of power supply to stator 222 coil C passed through.Certainly, identical electric wire groove 224b also can be formed at left side fixed axis 224 " among a, or is formed among two of left side fixed axis 224 " a and the right side fixed axis 224 " b.

Two ends that the fixed disk 224 that is used for support stator 222 is fixed on fixed axis 224 " center, and fixed axis 224 " are mounted to Support bracket 240 and 240 ' (among Figure 17) regularly.Particularly, left side fixed axis 224 " end of a is supported by left side Support bracket 240, and right side fixed axis 224 " end of b is by right side support bracket 240 ' support.

Built-in edge 224a is cut fixed axis 224 " each end.That is, fixed axis 224, and " outer surface at each place, end is cut off in order to form built-in edge 224a.Built-in edge 224a contact Support bracket 240 and 240 ' standing part 246 ' (describing below), the and " rotation that prevents fixed axis 224.

Stator 222 also comprises: around fixed component 224 ' the bobbin guide 222 pushed of outer surface ', and form from bobbin guide 222 ' the radially outstanding bobbin 222 of outer surface ".

And the outer surface of a plurality of bobbins 222 of roll guide 222 ' form at regular intervals ", and coil C is around each bobbin 222 " repeatedly twines.Therefore, when from the outside to coil C supply electric current, " form electromagnetic field on every side at bobbin 222.

Rotor 226 by the left side rotor 226 that is formed on its left hand external ', " and a plurality of permanent magnet M forms to be formed on the right side rotor 226 of its right hand external.Left side rotor 226 ' " use clamp structure to carry out the coupling connection with right side rotor 226.

Rotor 226 on the left of stator case 227 is formed at ' in.Stator case 227 has formed in order to stator 222 being enclosed in space wherein, and recessed with the distance corresponding to stator 222 external dimensions.

More specifically, the internal diameter of stator case 227 is dimensionally corresponding to the external diameter of stator 222.And, in stator case 227, form a plurality of holes and be used to allow air to flow through.

Certainly, stator case 227 can be formed at right side rotor 226 " in, or be formed at left side rotor 226 ' and right side rotor 226 " in two.

A plurality of permanent magnet M are installed on the inner surface of stator case 227 at regular intervals.That is, a plurality of permanent magnet M are attached on the inner surface of stator case of rotor 226 at regular intervals, and the quantity of permanent magnet M equals bobbin 222 " quantity.

Equally, the permanent magnet M roll 222 of rotor 226 " is arranged to have closely spaced mode therebetween.That is, when rotor 226 when stator 222 is installed, bobbin 222 " end and the spaced apart little gap of permanent magnet.

Therefore, when electric current flows through bobbin 222 around stator 222 " during the coil C that twines, thereby by coil C electromagnetic field that produces and the magnetic field interaction rotary rotor 226 that produces by permanent magnet M.That is, stator 222 and fixed axis 224 " static, and rotor 226 rotations.

In addition, son 226 the periphery that rotates forms flange portion 228.Flange portion 228 forms from the periphery of rotor 226 radially outstanding outwardly.Particularly, left side flange portion 228 ' be by from left side rotor 226 ' crooked diametrically formation of cylindrical, and right side flange portion 228 " corresponding to left side flange portion 228 ' at right side rotor 226 " is gone up and is formed.So, left side flange portion 228 ' " utilize screw coupling connection with right side flange portion 228.

Blower fan 210 is installed on the flange portion 228.That is, left fan 210 ' and right side fan 210 " be fastened to flange portion 228, and left fan 210 ' " utilize identical clamp structure (fan screw) to be fastened to flange portion 228 together with right side fan 210.

A plurality of fan screwing through hole 228a are formed in the flange portion 228.Fan screwing through hole 228a is used to allow fan screw (not shown) pass.That is, when left fan 210 ' with right side fan 210 " in the mode of contact when being connected, the flange portion 228 of motor 220 be arranged on left fan 210 ' and right side fan 210 " hub 212 between.Herein, fastening left fan 210 ' and right side fan 210 " the fan screw pass fan screwing through hole 228a.

Three motor screw 228b are fastened to flange portion 228.Two parts of motor screw 228b coupling connection rotor 226.That is, motor screw 228b be used for left side rotor 226 ' and right side rotor 226 " coupling is associated in together, thus make the left side flange portion 228 ' and right side flange portion 228 " tighten together.Therefore, left side flange portion 228 ' and right side flange portion 228 " have and run through wherein three motor screw hole 228b ' that form.

With reference to Figure 17, core 242 is wherein passed in Support bracket 240 and 240 ' be formed with each end that makes fixed component 224, and divides the 242 a plurality of support sections 244 that radially extend from central division.

Core forms circular plate shape, and it is fixed in order to each end of support motor axle directly.Therefore, core 242 has the shaft through-hole 246 that passes its core formation, is used to make each end of fixed component 224 to be inserted.

Support section 244 divides 242 to give prominence to from central division outwardly, and secures it to blower casing 230 at place, support section 244 ends by screw or other securing member.As shown in the figure, three radial support parts 244 can be set.More specifically, the support section 244 that is set to three of the same form can balancedly separate each other.That is, all angles between the support section 244 can be 120 degree, so that form balance.

And, shaft through-hole 246 also can comprise standing part 246 '.That is, shaft through-hole 246 forms with the shape of fixed component 224 corresponding round-shaped; Yet the part circumferential of shaft through-hole 246 becomes straight line, then formation standing part 246 '.The fixed surface 224 of standing part 246 ' form contact said fixing member 224.Therefore, fixed component 224 because standing part 246 ' and fixed surface 224 " mutual maintenance and do not rotate.

A pair of rib fastener hole 248 is formed in the core 242.Rib fastener hole 248 be

reinforcement

250 and 250 as described below ' the part inserted wherein of fastening rib 254.

Reinforcement 250 and 250 ' be fastened to Support bracket 240 and 240 ' core 242 in order to each end together with Support bracket 240 and 240 ' support fixation member 224, and have the shaft through-hole 252 that is formed at its core.Shaft through-hole 252 have be formed at Support bracket 240 and 240 ' the shape and size of shaft through-hole 246 of core 242.Therefore, form with the axle standing part 252 of standing part 246 ' identical and be formed in the shaft through-hole 252.

Reinforcement 250 and 250 ' upper end and the bottom fastening rib 254 that has thereon the bending that forms respectively.Fastening rib 254 allow reinforcements 250 and 250 ' be fastened to

Support bracket

240 and 240 '.Therefore, fastening rib 254 inserts in the rib fastener hole 248 that is formed at Support bracket 240 and 240 ' core 242 respectively.

Below, will the application of the outdoor unit of the air-conditioning of above-mentioned embodiment according to the present invention be described.

At first, when air-conditioning is operated (refrigeration mode), refrigerant flows between outdoor unit 100 and indoor unit (not shown).To refrigerant flowing in outdoor unit 100 be described herein.

The refrigerant that is in gaseous state flows into the liquid-gas separator 182 from the indoor unit (not shown).The gaseous refrigerant that leaves liquid-gas separator 182 flow into compressor 180 and 180 ' in.Employed compressor 180 and 180 ', as mentioned above, only comprise frequency-changeable compressor 180 according to load operation ', or comprise constant speed compressor 180 and frequency-changeable compressor 180 '.

From the refrigerant of compressor 180 and 180 ' discharge flow into

heat exchanger

120 and 120 '.Heat exchanger 120 and 120 ' in refrigerating mode, use, in order to heat-shift between refrigerant and outdoor air, thus cooling liquid refrigerant.

Through compressor 120 and 120 ' the liquid reservoir 184 of refrigerant through overregulating refrigerant flow, flow into then in the indoor unit (not shown).Although not shown, the refrigerant that enters indoor unit heat-shift and be back to outdoor unit 100 in as the indoor heat converter of evaporimeter from indoor heat converter.Therefore, in these steps, finish kind of refrigeration cycle.

Below, with describe

air blast

200 and 200 ' operation.

When from external power source when stator 222 applies electric power, the electric current of the coil (C) that is twined by the roll 222a that flows through generates an electromagnetic field.Therefore, the electromagnetic force around the bobbin 222a interacts rotor 226 with the magnetic field that is produced by permanent magnet (M).Herein, the blower fan 210 that is installed on rotor 226 flange portions 228 rotates to produce air-flow with rotor 226.

When blower fan 210 rotations, air is inhaled in the outdoor unit 100 by the both sides of outdoor unit 100.That is, from the air of outdoor unit 100 outsides by left side air-inlet grille 130 and right side air-inlet grille 130 ' enter outdoor unit 100.

--perhaps more specifically by towards aperture, the left side 234a of blower fan 210 inside and aperture, right side 234 '--enters the inside of blower casing 230 by left side air-inlet grille 130 and right side air-inlet grille 130 ' the enter left side and the right side of the air of outdoor unit 100 inside by blower casing 230.

Thereby the air that enters blower fan 210 inside is discharged at the exhaust outlet 232 that is blowed in the radial direction by being positioned at blower-casting 230 front portions powerfully.The air of discharging by exhaust outlet 232 passes exhaust, safety grid 142 and discharges from the front portion of outdoor unit 100.

With describe

briefly air blast

200 and 200 ' installation.

At first, be arranged to the rotor of two parts, promptly left side rotor 226 ' and right side rotor 226 ", by left side flange portion 228 ' and right side flange portion 228 " in three motor screw 228b couplings connection.Therefore, stator 222 is arranged on stator case 227 inside of rotor 226.Herein, permanent magnet M roll 222 " the outside be provided with to have closely spaced mode therebetween.

In said process, fan 210 is coupled to the outside of assembling motor 220.

Particularly, motor be arranged on left fan 210 ' and right side fan 210 " between after, left fan 210 ' and right side fan 210 " force together.Therefore, left side and right side fan 210 ' and 210 " motor cover 218 hold motor 200.And, use screw or other clamp structure that the flange portion 228 of hub 212 and motor 220 is fastening.

Herein, fan screw (not shown) passes fan screwing through hole 228a and is fastened to each fan screw hole 212a in the hub 212.Therefore, left fan 210 ' " and the flange portion 228 of motor 220 is unified into as a whole by a kind of clamp structure (fan screw) coupling with right side fan 210.And the head that is fastened to the motor screw 228b of motor 220 flange portions 228 is arranged in the motor screw fastener hole 212b of hub 212.

Next, two of fixed axis 224 ends insert be formed at Support bracket 240 and 240 ' the shaft through-hole of core 242.Herein, the standing part 246 of shaft through-hole 246 ' and the built-in edge 224a of fixed axis 224 contact with each other.And, reinforcement 250 and 250 ' be installed on Support bracket 240 and 240 ' on.

At last, use screw with Support bracket 240 and 240 ' support section 244 be fastened to the periphery of blower casing 230.Thereby finish

air blast

200 and 200 ' assembling.

It will be understood by those of skill in the art that can be to making multiple remodeling and variation among the present invention.Therefore, the present invention has covered the remodeling and the variation of this invention, as long as it falls within the scope of claims and equivalent thereof.

Industrial applicibility

In air-conditioning according to the present invention, use the BLDC motor, thereby can prevent because brush The interruption of wearing and tearing and the power supply that causes and greatly having improved is undertaken by fixing stator Supply of electric power; And blower fan is fixed to the outside of rotor in order to rotate with rotor, thereby Blower fan can rotate more reposefully, so that the air-conditioning with height industrial applicibility to be provided.

Claims

1. air-conditioning comprises:

Shell;

Heat exchanger, it is arranged in the described shell;

Blower fan, near the position that it is installed in the described heat exchanger is used for the angry stream of powerful real estate; And

Motor, it comprises with the rotor of described blower fan coupling connection, by described rotor surrounds and electric current by supply produces the stator in magnetic field and is fixed to described stator axle.

2. air-conditioning according to claim 1, wherein said rotor and described blower fan are arranged to two of the same form respectively, two rotor covers towards each other and two blower fans be coupled to the outside of each rotor respectively.

3. air-conditioning according to claim 1 also comprises the fixed component that is used for described axle is connected to described stator.

4. air-conditioning according to claim 3, wherein said axle is coupled to the both sides of described fixed component.

5. air-conditioning according to claim 1, wherein said stator and described axle are fixed, described rotor rotation.

6. air-conditioning comprises:

Motor, it comprises stator, left side rotor, right side rotor, axle and fixed component, described stator has around described stator and repeatedly twines the coil that is used to generate an electromagnetic field, described left side rotor is arranged on a side and the rotation of described stator, described right side rotor is arranged on the opposite side of described stator and joins so that rotation with described left side rotor coupling, described axle and described stator coupling are unified into as a whole and the pivot of described rotor are provided, and described fixed component is used to connect described and described stator;

A plurality of blower fans, it is coupled to described left side rotor and described right side rotor respectively; And

A plurality of heat exchangers, it is arranged to respectively near described blower fan.

7. air-conditioning according to claim 6, wherein said blower fan comprises:

Be coupled to the left side blower fan of the outer surface of described left side rotor; And

Be coupled to the right-hand drum blower fan of the outer surface of described right side rotor.

8. air-conditioning according to claim 6, wherein said rotor and described blower fan are unified into as a whole by shared clamp structure coupling.

9. air-conditioning according to claim 6 also comprises the Support bracket of the end that is used to support described axle.

10. air-conditioning according to claim 9, the axle and the stator of wherein said coupling connection are fixed by described Support bracket, and the rotor of described coupling connection and blower fan rotation.

11. air-conditioning according to claim 6 also comprises the magnet that is arranged on one of them the inner surface of described left side rotor and described right side rotor.

12. air-conditioning according to claim 6 also comprises a plurality of bearings that are arranged between described rotor and the described axle.

13. air-conditioning according to claim 6, wherein said fixed component is coupled to described stator by clamp structure at the outer rim place of described fixed component.

14. air-conditioning according to claim 6, wherein said axle comprises:

Insert the left side fixed axis at described fixed component one side center; And

Insert the right side fixed axis at described fixed component opposite side center.

15. air-conditioning according to claim 6 also comprises:

Blower-casting, it surrounds described blower fan; And

Carriage, it is fixed to described blower-casting, and described carriage is fixed and be coupled in the end of described axle.

16. an air-conditioning comprises:

Motor, it comprises fixed axis, fixed component, stator and rotor, and described fixed component heart place therein is coupled to described fixed axis, and described stator is fixed to described fixed component end, and described rotor surrounds described stator and rotation;

Blower fan, it is coupled to the outer surface of described rotor; And

Heat exchanger, it is used at the heat-shift between inhaled air and the refrigerant by the rotation of described blower fan, wherein

Described fixed axis and described stator are static, and described rotor and described blower fan integrally rotate.

17. air-conditioning according to claim 16, wherein said rotor is arranged to a plurality of, is used for surrounding respectively a surface and another surface of described stator.

18. air-conditioning according to claim 17, wherein said blower fan is arranged to a plurality of, and each blower fan is coupled to each described rotor respectively.

19. air-conditioning according to claim 17 also is included in the bearing between described fixed axis and the described rotor, is used to make described rotor to rotate reposefully.

20. air-conditioning according to claim 19, wherein said bearing is arranged to a plurality of, and a bearing in described a plurality of bearing is set in each described rotor.