CN101553970A

CN101553970A - Air conditioner and motor of air conditioner

Info

Publication number: CN101553970A
Application number: CNA2007800044807A
Authority: CN
Inventors: 李乃荣
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2006-04-07
Filing date: 2007-02-23
Publication date: 2009-10-07
Anticipated expiration: 2027-02-23
Also published as: KR101225971B1; CN101553970B; KR20070100519A

Abstract

A motor and an air conditioner including the motor are provided. The motor includes a stator, a rotor, a shaft, and a fixing member. The rotor rotates around an outside of the stator. The shaft is fixed to the rotor and protrudes in a direction opposite to a side at which the stator is received. The fixing member connects the rotor and the shaft.

Description

Air-conditioning and air conditioner motor

Technical field

The present invention relates to a kind of air-conditioning and a kind of air conditioner motor.

Background technology

Usually, motor is the device that electric energy is changed into mechanical energy, is installed in such as in the various household electrical appliance of air-conditioning and so on and in the various non-housed device, and comprises stator and rotor.

According to the application of its rotor, motor can be taked a lot of forms, comprises inner rotor type motor (its rotor rotates in stator) and external-rotor motor (its rotor is in the stator inner rotary).

Particularly, inner rotor type motor has less lead winding and higher control response, and be suitable on forward and reverse in the equipment of rotation repeatedly, and external-rotor motor has a large amount of lead winding constructions, and needing in the equipment of constant rotational speed to be suitable for.

Recently, exist motor slimming and the maximized trend of lighting that is installed in washing machine, the air-conditioning etc. that makes; Yet when the manufacturing cost of slim and the simpler motor of structure reduced, the performance that the equipment of described motor is installed had also reduced.

Fig. 1 is the profile according to the exemplary motor of prior art, and Fig. 2 is the decomposition diagram of rotor shown in Figure 1.

With reference to Fig. 1 and 2, according to the motor of prior art comprise stator 500, by means of stator 500 rotor rotated 510, by screw 513 be connected to rotor 510 centers connector 520, be coupled to the axle 530 and the support housing 550 of connector 520 by sawtooth 528, stator is fastened to support housing 550 with screw and support housing 550 comprises the

bearing

540 and 542 of back shaft 530 within it.

Particularly, stator 500 comprises stator core 502, is wrapped in stator core 502 drive coil 504 on every side.Apply electric current and be connected to stator 500 with the lead 506 that drives this drive coil 504.Lead 506 is by being installed in the outside that support housing 550 on the fixed structure (T) and the gap between the stator 500 extend to motor.

Rotor 510 comprises: have the rotor frame 512 of U-shaped cross-section, it has surrounded a side and the neighboring of stator 500; And a plurality of rotor frame 512 inner surfaces magnets 516 on every side that are arranged in.

Particularly, rotor frame 512 has the fastener hole 514 that is formed at wherein so that connector 520 can utilize screw 513 fastening with it.Connector 520 also has the fastener hole 522 that is formed at wherein, with the fastener hole 514 corresponding to rotor frame 512.

Connector 520 has the hub of giving prominence to from connector 520 524, is formed with sawtooth 528 on its inner surface, and an end of axle 530 and serrations phase-splitting coupling connection.

The fixed structure (T) of motor institute installed device is screwed and be fastened to support housing 550.Stator 500 utilizes screw to be coupled to the rear surface of support housing 550, and the front surface of support housing 550 is installed on the fixed structure (T) of equipment.For example, when motor application during to washing machine, support housing 550 is installed on the bottom surface of washing tub.

Axle 530 rear end is coupled to the hub that has sawtooth 524 of connector 520, and axle 530 is outstanding passes the center of stator and pass support housing 550 with outstanding forward.

Yet in the motor of as above structure, because axle 530 and sawtooth 522 couplings of connector 520 connection, and connector 520 usefulness screws 513 are fastened to rotor 510, thus spool the assembly technology complexity, increased manufacturing cost.

And although can make that by axle 530 directly being press-fit into rotor 510 assembly technology is simpler, during interference fit technology, axle 530 is easy to displacement in the longitudinal direction.When rotor 510 rotations, axle also may slippage on direction of rotation.

In addition, in the motor according to prior art, lead 506 extends to the motor outside by support housing 550 and the gap between the rotor 510 that is installed on the fixed structure (T).So, cause lead 506 to rock and may hinder rotor 510 from the vibration of motor transmission.

And, for lead 506 being extended to motor outside, stator 500 and rotor 510 must with the support housing 550 spaced apart predetermined distances that are installed on the fixed structure (T).Therefore, dust and other impurity can enter motor by described gap.

In addition, hook or like be installed in that fixed structure (T) that support housing 550 is fixed to is gone up or support housing 550 on the time, in order to prevent lead 506 motions, it is complicated more that the general structure of motor becomes.And, must carry out that lead 506 is hooked in further assembling process in the retaining element.

Summary of the invention

Technical problem

In order to address the above problem, the invention provides a kind of motor and adopt the air-conditioning of this motor, described motor has and allows rotor and axle coupling connection and need not to use the improvement structure of connector separately firmly and easily.

Another object of the present invention provides a kind of motor and adopts the air-conditioning of this motor, and described motor has with respect to the improved structure of prior art, and described structure can prevent that the electric wire and the rotor that are connected to stator from producing interference.

Another purpose of the present invention provides a kind of motor and adopts the air-conditioning of this motor, and described motor has minimum gap between stator and rotor and motor fixture, so that it is minimum to enter the dust of stator and rotor.

Technical scheme

According to an aspect of the present invention, provide a kind of motor, it comprises: stator; Outside rotor rotated around stator; The axle that is fixed to rotor and gives prominence to along the direction opposite with a side of holding stator; And the retaining element that connects rotor and axle.

According to a further aspect in the invention, provide a kind of motor, it comprises: stator; The rotor that holds stator within it; Pass the axle of rotor and stator; And cover the open side of rotor and be formed with the motor fixture of wire through-hole in its side, the lead that is connected to stator passes described wire through-hole.

According to another aspect of the invention, a kind of air-conditioning is provided, it comprises: motor, described motor comprise stator, around the outside rotor rotated of stator, outstanding and axle inserts wherein axle standing part along in internal direction and the outside direction at least one to outstanding at a distance axle and with respect to centre of rotor along the direction opposite with a side of holding stator to pass rotor and an end; The air blast that is connected to axle and rotates together with the axis; Be arranged on the heat exchanger in the space of contiguous air blast; And the main body that is used to hold motor, air blast and heat exchanger.

Beneficial effect

Be according to the motor of said structure of the present invention and the advantage of the air-conditioning that adopts this motor, simplified packaging technology and reduced manufacturing cost, because rotor and axle utilize retaining element directly fastening.

Like this, compare with interference fit or use adhesive, rotor and axle can be fastening more firmly.

Because the axle standing part that axle inserts wherein is formed on the rotor highlightedly, so at the assembly process of axle, the part that will be inserted into of axle can easily be recognized, makes that the assembling process of axle is easier.

And, because an axle standing part forms highlightedly with back shaft, so the rocking of energy minimization axle.

Motor according to the present invention has the axle standing part outstanding from rotor along outward direction, makes axle and rotor be easy to assemble and need not to dismantle motor.

In motor according to the present invention, when retaining element formed the pin that passes a standing part and axle, fixing of retaining element was very simple, and the assembling of axle is also simple.

And in motor according to the present invention, the retaining element of connecting axle and axle standing part can be easily fixing by the simple procedure that is inserted into through hole.

And in motor according to the present invention, through hole forms along passing an axle and an axle standing part transverse to the direction of shaft length, thus prevent axle when it rotate by rotor along length or direction of rotation generation displacement.

Because wire through-hole is formed in the motor fixture and lead passes motor fixture to stretch out from motor, produce interference so can prevent lead and rotor.

Because need not between rotor and motor fixture, to arrange lead, thus the gap energy minimization between rotor and the motor fixture, thus prevent that dust and other external particle from permeating by the gap.

In motor according to the present invention, wire through-hole is formed in the side of motor fixture, so that the wiring of lead.

And in motor according to the present invention, motor fixture comprises the plate portion that holds stator one side, from the edge right-angle bending of plate portion with the flange portion that covers gap between rotor and the plate portion and from the bandy marginal portion of flange portion.Thereby flange portion has prevented that the gap that external particle is passed between rotor and the motor fixture from entering, and the marginal portion has prevented that lead is towards rotor bow.

Be formed at according to the wire through-hole in the motor of the present invention in the side of flange portion, make conductor part ground by the wire through-hole restriction, so utilize simple structure to prevent the arbitrary motion of lead.

And the electric machine support that is fixed to according to motor stator of the present invention allows various electronic units, bearing etc. to be installed on the stator.

Control is installed on the electric machine support according to the driver of motor of the present invention, therefore when being installed in the motor outside dividually with driver mutually specific energy make motor compacter.

In addition, in motor according to the present invention, motor fixture is fastened to electric machine support with screw bolt and nut, makes the assembling of motor fixture be easy to.

In addition, be formed in the motor fixture according to motor of the present invention,, therefore can make overall assembly compacter so motor fixture can be assembled into more close stator because be used for avoiding the hole of keeping away of support housing part.

And the motor fixture of motor is installed in and makes it possible to absorb vibration on the analog bracket according to the present invention.Thereby, even, still can install by analog bracket being difficult to directly install under the situation of motor fixture.And, can weaken the vibration of transmitting by motor fixture.

Description of drawings

Fig. 1 is the sectional view according to the exemplary motor of prior art.

Fig. 2 is the decomposition diagram of rotor shown in Figure 1.

Fig. 3 is the perspective view according to the motor of first embodiment of the invention.

Fig. 4 is the decomposition diagram according to the motor of first embodiment of the invention.

Fig. 5 is the cross-sectional view according to the motor of first embodiment of the invention.

Fig. 6 is the longitdinal cross-section diagram of the I-I` intercepting along the line of the motor among Fig. 3.

Fig. 7 is the longitdinal cross-section diagram of the II-II` intercepting along the line of the motor among Fig. 3.

Fig. 8 is the decomposition diagram that illustrates according to the critical piece of the motor of second embodiment of the invention.

Fig. 9 is the longitdinal cross-section diagram according to the motor of second embodiment of the invention.

Figure 10 is the longitdinal cross-section diagram according to the motor of third embodiment of the invention.

Figure 11 is the longitdinal cross-section diagram according to the motor of fourth embodiment of the invention.

Figure 12 is the longitdinal cross-section diagram according to the motor of fifth embodiment of the invention.

Figure 13 is the longitdinal cross-section diagram according to the motor of sixth embodiment of the invention.

Figure 14 is the perspective view that comprises according to the air-conditioning of the motor of first embodiment of the invention.

Figure 15 is the front view of the air-conditioning among Figure 14.

Figure 16 is the side cross-sectional views of the air-conditioning among Figure 14.

Figure 17 is arranged on the decomposition diagram of the fan component in the air-conditioning of Figure 14.

Figure 18 is the side cross-sectional views that comprises according to the air-conditioning of the motor of second embodiment of the invention.

Figure 19 is arranged on the decomposition diagram of the fan component in the air-conditioning of Figure 18.

Figure 20 is the side cross-sectional views that comprises according to the air-conditioning of the motor of third embodiment of the invention.

Figure 21 is arranged on the decomposition diagram of the fan component in the air-conditioning of Figure 20.

Embodiment

Now will be specifically with reference to the preferred embodiments of the present invention, its example is shown in the drawings.As possible, identical reference number will all refer to identical or similar parts in the accompanying drawing.

With reference to Fig. 3, comprise rotor 20, be arranged in the rotor 20 that to be fixed to motor fixture 40 on it and motor fixture 40 with axle 30, the stator 2 that is applied to the stator 2 (Fig. 4) that produces electric field at that time at electric current, passes stator 2 and is connected to rotor 20 fixing and be coupled to analog bracket 60 on it according to the motor 1 of first embodiment of the invention.And electric wire 19 is connected in the motor 1, and electric energy is applied to stator 2 by electric wire 19.When motor 1 operation, rotor 20 and the rotation of axle 30 one are to be rotationally connected to the rotating object for the treatment of of axle 30.

Explanation according to the internal structure of the motor 1 of top embodiment will more specifically be described following.

Fig. 4 is the decomposition diagram according to the motor of first embodiment of the invention, Fig. 5 is the cross-sectional view according to the motor of first embodiment of the invention, Fig. 6 is the longitdinal cross-section diagram of the motor of Fig. 3 I-I` intercepting along the line, and Fig. 7 is the longitdinal cross-section diagram of the motor II-II` intercepting along the line of Fig. 3.

With reference to Fig. 4 to 7, comprise stator 2, rotor 20, axle 30, motor fixture 40 and analog bracket 60 as mentioned above according to motor of the present invention.

Particularly, stator 2 produces the electric field of rotation in a circumferential direction, and stator 2 comprises stator core 4 (as shown in Figure 5) and around the drive coil 9 of stator core 4, stator core 4 has the opening 3 that is formed at the middle part.

Stator core 4 can form the plate that the spirality of single annular element or predetermined length is piled up.

Particularly, stator core 4 comprises circular core framework 5 and a plurality of tooth 6 from the radially outstanding roughly T shape of core framework 5.A plurality of teeth 6 are separated by the groove 7 of therebetween preset width.The insulator 8 that the surface coverage of stator core 4 has compound resin to make.Drive coil 9 is wrapped in the outside of some part of the insulator 8 around the tooth 6.

Being used for rotatably, the bracing strut 13 of back shaft 30 is arranged on motor 1 inside.Just, bracing strut 13 can be arranged on motor 1 inside, rather than the bracing strut 13 that separates in motor 1 outer setting, so that make the overall dimension of motor 1 compact substantially.

More specifically, bracing strut 13 comprises a plurality of electric machine supports 14 that are fixed to

stator

2 and 15 and be installed on

electric machine support

14 and 15 and the

bearing

16 and 17 of back shaft 30.

For back shaft 30 more firmly,

electric machine support

14 and 15 and

bearing

16 and 17 can be set to many groups.In the present embodiment, be provided with two groups of electric machine supports and bearing.

Motor 1 has first electric machine support 14 of one of both sides of being fixed to stator 2 and is installed in clutch shaft bearing 16 on first electric machine support 14.And second electric machine support is fixed to another (just, the side relative with the side of fixing first electric machine support 14) on two surfaces of stator 2, and second bearing 17 is installed on second electric machine support 15.

A plurality of electric machine supports 14 and 15 usefulness bolts 10 and nut 11 are fastened to stator 2.

As shown in Figure 5, stator 2 has the bolt hole 4a and the 8a that are formed at wherein and is used to make bolt 10 to pass

through.Bolt hole

4a and 8a form with stator core 4 and insulator 8 and align.

Particularly, a plurality of electric machine supports 14 and 15 have the

bolt hole

141 and 151 that is formed at wherein and aligns with the bolt hole 4a and the 8a of stator 2 respectively.

And a plurality of electric machine supports 14 and 15 relatively are arranged in the either side of stator 2, and the opening 3 of covering stator core 4.Bolt 10 passes in the

bolt hole

141 and 151 of

electric machine support

14,15 one, the bolt hole 4a and the 8a of stator 2 successively, and in the

bolt hole

141 and 151 of

electric machine support

14 and 15 another, is coupled to nut 11 then.Like this, a plurality of

electric machine support

14 and 15 and stator 2 usefulness bolts 10 and nut 11 firmly fastening.

For each that makes a plurality of electric machine supports 14 and 15 has the ability of support housing,

support housing part

142 and 152 is formed at its

center.Bearing

16 and 17 inserts support

housing part

142 and 152.

Each

support housing part

142 and 152 just outstanding on the direction opposite with the opening 3 of stator core 4 at the outward direction of stator 2.

Be used for making axle 30 shaft through-holes that pass through 144 to be formed at the support housing part 142 of the electric machine support 14 of adjacent rotor 22 settings.

The driver 18 of circuit part (or drive coil 9) that is used for electric current is applied to control motor 1 also is included in motor 1.

Particularly, driver 18 is made of printed circuit board (PCB) (PCB) and the various electronic units that are installed on the PCB.Herein, though that driver 18 can be installed in motor 1 is outside and be connected to drive coil 9 etc. electric current being applied to drive coil 9, but that driver 18 also can be installed in motor 1 is inner so that make motor 1 compact substantially.

And driver 18 is connected to the electric wire 19 that extends to motor 1 outside.Driver 18 is arranged between stator 2 and the motor fixture 40.

Particularly, when driver 18 was arranged between a plurality of electric machine supports 14 and 15, one of them electric machine support 15 in a plurality of electric machine supports 14 and 15 and the slit between the motor fixture 40 were minimized.

And when driver 18 was arranged between stator 2 and the motor fixture 40, the structure of one of them electric machine support 15 in a plurality of electric machine supports 14 and 15 obtained simplifying, and makes that the wiring of electric wire 19 is easier.And driver 18 usefulness screws or other tightening member are fastened to motor fixture 40.Driver 18 in the present embodiment is arranged between stator 2 and the motor fixture 40.

Herein, driver 18 forms circular plate shape, wherein is formed centrally porose to prevent to disturb axle 30.

Rotor 20 rotates in stator 2 outsides by means of the electric field that stator 2 produces.Just, rotor 20 comprises rotor frame 22 that forms the U-shaped cross section and the magnet 28 that is attached to rotor frame 22.Motor 1 is the outer-rotor brushless direct current machine.

Rotor frame 22 forms the outward appearance of rotors 20, and the surface can have by the injection-molded rotor york piece of compound resin within it, or can be under the situation that does not have independent rotor york piece be formed by metal material and by the function of itself execution rotor york piece.It below is description about the rotor frame of the execution rotor yoke holder function that forms by metal.

Particularly, rotor frame 22 comprises towards the disc portion 23 of one of two sides of stator 2, and the cylindrical portions may 27 of surrounding the circumferential surface of stator 2.And, be formed with in the rotor frame 22 louvre 231 with the hot type that will produce in the motor to the outside.

Rotor 20 can be integrally formed with the axle of giving prominence to from rotor frame 22 30, or use retaining element 36 separately that axle 30 is fixed to rotor frame 22.

Rotor frame 22 can be by the pressing metal plates shaping or by cast form.And when rotor frame 22 utilized die casting, axle 30 can be cast in rotor frame 22 highlightedly, and perhaps rotor frame 22 can separate formation with axle 30, and this rear axle 30 and rotor frame 22 usefulness retaining elements are fixed.

In following embodiment, axle 30 separates shaping with rotor frame 22, after this fastening these two parts with retaining element.

Axle standing part 24 is formed at the center of the disc portion 23 of rotor frame 22, so that support the axle 30 that inserts.Particularly, an axle standing part 24 forms than the big slightly so that axle 30 of axle 30 and inserts in the axle standing parts 24, and axle standing part 24 is from the outstanding predetermined altitude in the center of disc portion 23.

And axle standing part 24 forms at the center of rotor 20 outstanding, makes it can axle 30 be fastened to the center of rotor 20 by means of retaining element 36.Below, axle 30 is described as by the retaining element 36 of rotor 20 outsides fastening.

Through

hole

25 and 26 is formed in the standing part 24, is used to make retaining element 36 to pass.Through

hole

25 and 26 forms the longitudinal direction transverse to axle 30.

And magnet 28 is attached to the inner circumferential surface of cylindrical portions may 24.

Particularly, axle 30 is that revolving force is passed to the parts of rotating object such as air blast from rotor 20, and can be the cylindrical shape with hollow inside.Axle 30 thereby can form hollow circular cylinder with high moment of inertia.

More specifically, can in axle 30, form the through

hole

31 and 32 that retaining element 36 is passed of being used to transverse to the longitudinal direction of axle 30.

Axle 30 passes the opening 3 of stator core 4, and is fixed to the center of motor fixture 40.

Axle 30 will be called external shaft part 34 hereinafter from the outwards outstanding parts of stator 2, and the part of passing the opening 3 of stator 2 will be called inner shaft part 35 hereinafter.

The inner shaft part 35 of axle 30 is arranged in the motor 1 fully, and external shaft part 34 is passed stator 2 and fastening by retaining element 36.

The end of inner shaft part 35 is fixed to the support housing part 152 of second electric machine support 15.The end of external shaft part 34 has coupling connection part 38 formed thereon, is used to be coupled to air blast or other object to be rotated.

In the structure according to the motor of prior art, rotor is mounted to the opposite side for the treatment of rotating object with respect to stator, so stator fixedly is insecure.Yet in the present invention, rotor arrangements is in the same side for the treatment of rotating object, so stator can firmly fix.And because rotor, motor shaft and treat that rotating object rotates integratedly, the internal part of rotor (comprising stator) disturbs the problem for the treatment of rotating object just can not occur.And, because object to be rotated can be connected with rotor 20 contiguously, so the assembly of motor and air blast can be compact substantially.

Motor fixture 40 is that the part on it is fixed and be coupled to stator 2.Particularly, motor fixture 40 is as the stator cover of the lower openings that covers rotor 10, to prevent that water or other dopants penetration are in stator 2.

More specifically, motor fixture 40 comprises: plate portion 401, its covering stator 2 since rotor 10 expose and unprotected part; Flange portion 402, its neighboring from plate portion 401 in axial direction crooked vertically and the cylindrical portions may 27 of covering rotor frame 22 and the slit between the plate portion 401; And marginal portion 403, its end from flange portion 402 is radially crooked.

The plate portion 401 of motor fixture 40 has step part 42, at least one electric machine support 15 of be used for raising stator 2 and a plurality of electric machine support 14 and 15.Just, step part 42 is raised with outstanding with annular shape with the stator 2 that is fixed thereon.

Particularly, at least one electric machine support 15 in a plurality of electric machine supports 14 and 15 can raise on step part 42, makes drive coil 9 directly not contact motor fixture 40 with stator core 4.

Opening 44 be formed at motor fixture 40 the center so that support housing part 152 insert wherein.Opening 44 forms the external diameter greater than support housing part 152, so that motor 1 is compact substantially.

Herein, when driver 18 was installed between stator 2 and the motor fixture 40, driver 18 was contained in the space S.

Wire through-hole 46 is formed in the flange portion 402 of motor fixture 40 and passes wherein with the lead 19 that allows to be connected to driver 18.Particularly, wire through-hole 46 is along a side opening of the circumferential surface of flange portion 402.In other words, an end of lead 19 is connected to driver 18, and the other end passes the wire through-hole 46 of flange portion 402 and extends to a side of motor fixture 40.Therefore, lead 19 passes wire through-hole 46 and is circumferentially moved so that it can not center on motor fixture 40 by wire through-hole 46 restrictions then.And the part that lead 19 passes wire through-hole 46 is by marginal portion 403 restrictions and prevented towards rotor 20 bendings.

And at least one in a plurality of electric machine supports 14 and 15 is coupled to the upper surface of motor fixture 40.A plurality of electric machine supports 14 and 15 all can use identical bolt 47 and nut 48 to be connected to motor fixture 40.

Particularly,

electric machine support

14 and 15 has the

bolt hole

143 and 153 that is used to pass bolt 47 that is formed at wherein respectively.Motor fixture 40 also has the bolt hole 49 that is used to pass bolt 47 that is formed at wherein, and bolt hole 49 can form with

bolt hole

143 and 153 and aligns.Just, bolt hole 49 is formed in the step part 42 of motor fixture 40.

In the said modules structure, bolt 47 passes the

bolt hole

143 and 153 of a plurality of electric machine supports 14 and 15 successively.Bolt 47 also passes the bolt hole 49 of motor fixture 40, and is fastened to nut 48 then, thereby a plurality of electric machine supports 14 and 15 are assembled to motor fixture 40 securely.

Certainly, motor fixture 40 can be directly installed on the air-conditioning, and perhaps motor 1 can be fixed to air-conditioning by the electric machine support 60 that separates.

Below, will providing the description of the motor 1 that is installed on the motor fixture 40, motor fixture 40 is installed on the analog bracket 60 with absorption of vibrations structure, and analog bracket 60 is fixed on the air-conditioning etc.

Analog bracket 60 forms three legs structure generally, and comprises that discoid core 601 and a plurality of 120 degree that separate each other divide 601 legs 602,603 and 604 that extend from central division, and motor fixture 40 is fixed on leg 602,603 and 604.

Also comprise anti-vibration element 50, be used for when support motor 1, absorbing the vibration of transmitting from motor fixture 40.

Particularly, anti-vibration element 50 comprise the spring 56 of the rubber parts 52 that is installed on the motor fixture 40, support rubber part 52 and place spring 56 and analog bracket 60 between packing ring 58.And the hole that is used to insert rubber parts 52 is formed at the neighboring of motor fixture 40.Slot 521 is formed in the outer surface of rubber parts 52 so that the edge in hole is inserted described slot 521.Connect in the structure at this coupling, rubber parts 52 is fixed in the hole of motor fixture 40.And through hole 522 forms the length at the center of passing rubber parts 52, is used to pass retaining element.

Motor fixture 40 is fixed to analog bracket 60 by means of the retaining element 54 that passes anti-vibration element 50.Particularly, retaining element 54 passes the through hole 522 of rubber parts 52, and inserts and pass analog bracket 60.And through hole 63 is formed in the analog bracket 60, is used to pass retaining element 54.

More specifically, retaining element 54 has the main body of inserting in the through

hole

522 and 63, and the head that is stuck in rubber parts 52 end faces.And the lower end of main body is attached to the lower surface of analog bracket 60 by welding or other means.

The specific descriptions of the assembling process of motor fixture 40 and analog bracket 60 below will be provided.

At first, the slot 521 of rubber parts 52 is coupled to and is formed in the motor fixture 40 excircles hole on every side, and rubber parts 52 is fixed to motor fixture 40.In the drawings, the hole is formed at from the extension that the outer surface of motor fixture 40 extends.

Then, the motor fixture 40 that packing ring 58, spring 56 and rubber parts 52 insert wherein is positioned on the surface of analog bracket 60 successively, and the main body of retaining element 54 is inserted the through hole 63 that passes rubber parts 52, spring 56, packing ring 58 and analog bracket 60 successively.

At last, be pressed under the situation of rubber parts 52 upper surfaces at the head of retaining element 54, the end of retaining element 54 directly is fixed to analog bracket 60 by welding.

Analog bracket 60 has the through hole that separates 68 that is formed at wherein, and the retaining element 66 of through hole 68 can be fixed to air-conditioning with analog bracket 60 or other treats fixed object so that pass.

As shown in Figure 4, reference number 88 is the Hall elements that are installed on the stator 2, is used for the rotation of sensing rotor 20.

As shown in Figure 6, reference number 404 is the holes of keeping away that are formed in the motor fixture 40, is used for avoiding fastening first and second electric machine supports 14 and 15 and the bolt 10 and the nut 11 of stator 2.

The operation of the motor of said structure will be described now.

At first, when electric current is applied to drive coil 9 by driver 18, produce electric field, cause rotor 20 rotations so the magnetic field of electric field and the magnet 28 that is attached to rotor 20 interacts by stator 2.One is coupled to the also rotation of axle 30 of rotor 20.

Particularly, axle 30

bearings

16 and 17 by means of a plurality of rotatably

support motor carriages

14 and 15 make object rotation to be rotated.

The vibration that rotation produced by rotor 20 and axle 30 is not transmitted by motor fixture 40, but is eliminated by anti-vibration element 50.

Fig. 8 is the decomposition diagram that illustrates according to the critical piece of the motor of second embodiment of the invention, and Fig. 9 is the longitdinal cross-section diagram according to the motor of second embodiment of the invention.

With reference to Fig. 8 and 9, be characterised in that the driver 18` that is arranged between a plurality of electric machine supports 14 and 15 according to the motor of second embodiment of the invention.When driver 18` so was arranged between a plurality of electric machine supports 14 and 15, motor 1 can be compact substantially.

Particularly, pass a electric machine support 15 in a plurality of electric machine supports 14 and 15, be formed with through hole 154 in order to make lead 19.And driver 18` can be fixed to one of

electric machine support

14 or 15 with screw or other tightening member.Shaft through-hole 181 forms the center of passing driver 18`, is used to pass axle 30.And the predetermined point in driver 18` is formed with bolt hole 182, be used for fastening first and second electric machine supports 14 and 15 and the bolt 47 of motor fixture 40 pass this bolt hole 182.

With reference to Figure 10, comprise a plurality of drivers 18 according to the motor of third embodiment of the invention, its part is installed between a plurality of electric machine supports 14 and 15, and remainder is arranged between stator 2 and the motor fixture 40.Particularly, driver 18 comprises inner drive 18a and peripheral driver 18b, and wherein inner drive 18a is arranged between a plurality of electric machine supports 14 and 15, and peripheral driver 18b is arranged between stator 2 and the motor fixture 40.And the lead of driver 18a extension internally passes wire through-hole 154 and is connected to peripheral driver 18b.

Be provided with under the above-mentioned situation of a plurality of drivers 18, can integrated more electronic component, and can allow the circuit variation.

With reference to Figure 11, comprise the anti-vibration element 50 and the analog bracket 60 of usefulness bolt 71 and nut 73 assemblings according to the motor of the 4th embodiment.

Particularly, bolt 71 passes rubber parts 52, spring 56 and packing ring 58 successively, passes the through hole 63 of analog bracket 60 then.Then, the head of bolt 71 is stuck on the rubber parts 52, and the end of bolt 71 main bodys is coupled to nut 73.Therefore, anti-vibration element 50 and analog bracket 60 use bolt 71 and nut 73 coupling connection securely.

In alternative, bolt 71 can be along opposite direction from analog bracket 60 inserts towards motor fixture 40.

With reference to Figure 12, comprise towards rotor frame 22 inner outstanding axle standing part 24` according to the motor 1 of the 5th embodiment, and axle 30 and an axle standing part 24` are fixed in rotor frame 22 inside by means of retaining element 36.Except the fixed structure of axle standing part 24` and axle, the structure of the structure of motor and operation and previous embodiment and operate identical.Therefore, the description of employed same parts will not repeat.

Outside being characterised in that according to the motor of present embodiment the coupling connection part of rotor frame 22 and axle 30 is not exposed to.In other words, retaining element 36 is arranged in the motor 1, makes dust and other exterior object can not concentrate in the coupling connection part of rotor frame 22 and axle 30, has kept clean conditions.And, between the delivery period of motor, can prevent that retaining element 36 is owing to external vibration etc. is thrown off.

With reference to Figure 13, in the motor according to the 6th embodiment, axle standing part 24`` is not only outwards outstanding from rotor frame 22, and inwardly outstanding.Except that the structure and operation of axle standing part 24``, all the other aspects of motor are identical with those aspects of first embodiment, and therefore its description will not repeat.

Particularly, axle standing part 24`` comprises from rotor frame 22 outside outstanding outside insertion portion 24a and from the inwardly outstanding inside insertion portion 24b of rotor frame 22.

In above-mentioned situation, because axle standing part 24`` is outside and inwardly outstanding with respect to rotor frame 22, so the length ratio increase that axle 30 is supported by axle standing part 24``.Therefore, when the bearing length of axle 30 increased, the possibility of axle distortion reduced.

Figure 14 is the perspective view that comprises according to the air-conditioning of the motor of first embodiment of the invention, and Figure 15 is the front view of air-conditioning among Figure 14, and Figure 16 is the side view of air-conditioning among Figure 14, and Figure 17 is arranged on the decomposition diagram of the fan component in the air-conditioning of Figure 14.

With reference to Figure 14 to 17, comprise that the air-conditioning according to motor of the present invention comprises main body 100, main body 100 comprises that being formed at being used in the main body 100 sucks the air inlet 101,102 and 103 of room air, and is used for discharging with the refrigerant heat exchange and has been cooled or the gas outlet 104,105 and 106 of the air that heats.

Particularly, main body 100 be included in its front be formed with air inlet 103 base portion 109, be installed on the base portion 109 and the casing 110 of its front surface and lower surface opening, be fixed to casing 110 end faces top board 115, be arranged on casing 110 front upper places and form left gas outlet 104 and the upper plate 122 of right gas outlet 105 and gas outlet, top 106, be arranged in the left side, bottom of upper plate 122 and form the lower-left plate 140 of left air inlet 101 and be arranged in the right, bottom of upper plate 122 and form the bottom right plate 150 of right air inlet 102.

After the lower end of casing 110 was elevated on the end face of base portion 109, it was coupled to base portion 109 vertically by screw or other fastener.And header board 130 is installed on the front portion of main body 100 pivotly, to allow inside approaching and inspection main body 100.

Header board 130 can be pivotally connected to main body 100 by the hinge bracket 130a that is installed on upper plate 72 and the base portion 109.

Main body 100 inside are air conditioning part 200 and the blower sections 160 that are used to cool off or purify air in the casing 110, and blower section 160 is used for sucking room air, air circulation being drained into the outside by gas outlet 104,105 and 106 with air then by main body 100 by air inlet 101,102 and 103.

Particularly, blower section 160 comprise the motor 1 that is installed on the casing 110, be connected to the axle 30 of motor 1 air blast 162, be installed on the casing 110 and hold air blast 162 and the blower-casting 165 of motor 1 and being installed on the blower-casting 165 inhaled air is imported the aperture 166 of blower-casting 165.

Herein, motor 1 is installed on the inner surface of casing 110, makes it 30 outstanding towards the front of air-conditioning.

Particularly, the motor fixture in the present embodiment 40 directly is fixed to casing with the anti-vibration element 50 that will be described below.

More specifically, the retaining element 54 that passes anti-vibration element 50 passes casing 110, and the end of retaining element 54 is by being welded and fixed to casing 110 or being assembled to casing 110 by means of bolt 71 and nut 73.

Through hole 111 is formed at and is used to pass retaining element 54 or bolt 71 in the casing 110.

Blower-casting 165 surrounds air blast 162 and forms SS 163 and form tap 164 at its end face place at its front surface.

Particularly, aperture 166 comprises: form tabular flange 167, it is pressed in the front surface of blower-casting 165 and is installed on the front surface of blower-casting 165, and horn mouth 168, and its center that is arranged on flange 167 is used for guiding the air-flow by air blast 162 suctions.

Air conditioning part 200 is at least one in heat exchanger, humidifier, dehumidifier and the air purifier.Below, will provide the description that is limited to air-conditioning with the air purifier 220 that is used between the air of discharging towards the gas outlet, carrying out the heat exchanger 210 of heat exchange and is used for purifying the air that aspirates by blower section 160 by blower section 160.

Heat exchanger 210 is arranged in the main body 100 in the mode that tilts.Air purifier 220 is arranged in nose air intake 103 tops of base portion 109, and is made of a plurality of filters.

Particularly, a plurality of filters be included in the dust in the phase I filtered air bottom prefilter 221, be installed on the HEPA (Hepa filter) 222 of bottom prefilter 221 tops and the fine dust particle in the second stage filtered air and be installed on HEPA 222 tops and remove the nanofilter 223 of airborne odor particles and bacterium.

Air purifier 220 also comprises left side prefilter 224 that is arranged in left air inlet 101 places and the right side prefilter that is arranged in right air inlet 102 places.

Air purifier 220 also comprises the electrostatic precipitator 230 that is installed on 156 fronts, aperture removedly.Particularly, electrostatic precipitator 230 ionization and collection dust in air and other external particle.

Below, description is had the operation of the air-conditioning of said structure motor.

At first, when rotor 20 rotation of motor 1, axle 30 rotates with rotary blower 162 with rotor 20.And when air blast 162 rotations, room air is drawn in the main body 50 by left air inlet 101, right air inlet 102 and nose air intake 103.

Particularly, the room air by air inlet 101 suction passes left side prefilter 224 filtering dust, and passes right side prefilter 225 to filter dust by the room air of right air inlet 102 suctions.And the room air that aspirates by nose air intake 103 passes bottom prefilter 221 to filter dust in the phase I, and after this air passes HEPA 222 to filter fine dust at second filtration stage.Then air by nanofilter 223 therefrom to remove odor particles, bacterium etc.

The room air of above-mentioned purification is then towards the suction of the front in blower section 160 or aperture 166.Then, the external particle that is not removed in each filter 221-225 is by electrostatic precipitator 230 ionization and collection.

The air that passes electrostatic precipitator 230 continues across aperture 166 and blower-casting 165, from blower-casting 165 upwards air blast, thereby and passes heat exchanger 210 to be cooled with the refrigerant heat exchange or to heat.

So the part of cooling or indoor air heated is passed gas outlet, top 106 and is partly discharged by the upper front of main body 100.Remainder is discharged from the front side of main body 100 by the right gas outlet 105 in gas outlet 104, a left side, front and front.

Figure 18 is the side cross-sectional views that comprises according to the air-conditioning of the motor of second embodiment of the invention, and Figure 19 is arranged on the decomposition diagram of the fan component in the air-conditioning of Figure 18.

With reference to Figure 18 and 19, comprise that air-conditioning according to motor of the present invention comprises stator 2 and rotor 20, axle 30, motor fixture 40, anti-vibration element 50, analog bracket 60 etc., and analog bracket 60 directly is assembled to casing 110 by retaining element 66.Therefore and except that the analog bracket 60 that directly is fixed to casing, all the other structures and effect are same as the previously described embodiments and will no longer describe.

At first, assembling stator 2, rotor 20, axle 30, motor fixture 40 and analog bracket 60 etc. are to form motor 1, and after this analog bracket 60 is assembled to casing 110.

Retaining element 66 can be made of bolt 661 and nut 662, perhaps can be rivet or other retaining element.In embodiment described below, retaining element is the bolt 661 and the nut 662 of fixedly analog bracket 60.

Particularly, after bolt 661 passed the through hole 68 of the through hole 11 of casing 110 and analog bracket 60, nut 662 was fastened to bolt 661 so that motor 1 is assembled to casing 110.

Figure 20 is the side cross-sectional views that comprises according to the air-conditioning of the motor of third embodiment of the invention, and Figure 21 is arranged on the decomposition diagram of the fan component in the air-conditioning of Figure 20.

With reference to Figure 20 and 21, having that air-conditioning according to motor of the present invention has not is to be installed on the casing 110 but to be installed on motor 1 on blower-casting 165 or the aperture 166, and axle 30 is flatly arranged towards the back of air-conditioning.

Except that last, have according to all the other structures of the air-conditioning of motor of the present invention identical with first and second embodiment with effect.Therefore will omit the description of its repetition.

Below, will provide the description that analog bracket 60 is installed on the motor 1 on the aperture.

Particularly, pass through between the horn mouth 168 in motor fixture 40 and aperture 166 in order to make air, the motor fixture 40 of motor 1, rotor 20 etc. form the horn mouth 168 less than aperture 166.And when analog bracket 60 was installed on 166 fronts, aperture, except that analog bracket 60, motor fixture 40, rotor 20 etc. was positioned at the inside center of horn mouth 168.

For analog bracket 60 being fastened to aperture 166, be formed with fastener hole 169 in the aperture 166 with screw or other retaining element 90.

Particularly, motor fixture 40, rotor 20 etc. is positioned the center of the horn mouth 168 in aperture 166, and fastener hole 169 alignment in the through hole 68 of analog bracket 60 and aperture 166.And retaining element 90 inserts and passes the through hole 68 of analog bracket 60 and the fastener hole 160 in aperture 166.Then, axle 30 is assembled to aperture 166 with flatly outstanding backward.

In the air-conditioning that has according to the motor of present embodiment, when rotor 20 rotations of motor 1, level is outstanding backward axle 30 rotates with rotary blower 162 with rotor 20.

Then, when above-mentioned air blast 162 rotated, room air was sucked and enters in the main body 50, and concentrated towards the front of blower section 160 especially aperture 166 then.The air that guides to 166 fronts, aperture then passes through between the leg 602,603 and 604 of analog bracket 60.Then, air passes the horn mouth 168 and the motor fixture 40 in aperture 166, and is sucked and enters in the blower-casting 165.

The air of suction is upwards discharged from blower-casting 165 by air blast 162 and blower-casting 165.Air is followed the path that has according to the air-conditioning of the motor of first embodiment of the invention and is advanced then.

Though the present invention is described and illustrates with reference to its preferred embodiment at this, those skilled in the art will appreciate that do not breaking away under the spirit and scope of the present invention, can make various modification and variation.Therefore, the present invention is intended to cover of the present invention various modification and the variation in the scope that falls into claims and equivalents thereof.

Industrial applicibility

At the motor of above structure with have in the air-conditioning according to motor of the present invention, because rotor and axle Directly be coupled by retaining element, thus the assembling process simplified, and the production cost that reduces, have Higher industrial applicibility.

Claims

1. motor comprises:

Stator;

Rotor, described rotor is around the outside rotation of described stator;

Axle, described axle is fixed to described rotor and outstanding along the direction opposite with a side of holding described stator; And

The retaining element that connects described rotor and described axle.

2. motor according to claim 1, wherein said rotor comprise the axle standing part outstanding from its center, are used for supporting the described axle that passes wherein.

3. motor according to claim 2, wherein said axle standing part is along the internal direction of described rotor and at least one extension in the outside direction.

4. motor according to claim 2, wherein said retaining element comprise the pin that passes described axle standing part and described axle.

5. motor according to claim 2, wherein said retaining element is along pass described axle and described axle standing part perpendicular to the direction of described axle.

6. motor according to claim 1 also comprises:

Electric machine support, its edge is connected to described stator, and described axle passes the center of described electric machine support;

Be contained in the bearing in the described electric machine support, be used for allowing the rotation reliably of described axle; And

Motor fixture, described electric machine support is fixed to described motor fixture.

7. motor according to claim 6, wherein said electric machine support is arranged to a pair of, and each electric machine support of this centering is connected to the top and bottom of described stator respectively, and this is fixed to described motor fixture to one in the electric machine support.

8. motor according to claim 6 also comprises:

Analog bracket, described motor fixture is fixed in described analog bracket; And

Anti-vibration element, described anti-vibration element connect described motor fixture and described analog bracket to absorb the vibration of transmitting from described motor fixture.

9. motor according to claim 6, wherein said motor fixture is formed with wire through-hole in its side.

10. motor according to claim 6 also comprises driver, and described driver is fixed on the upper surface of described motor fixture and is used for controlling the electric current that is applied to described stator.

11. a motor comprises:

Stator;

Rotor holds described stator in the described rotor;

Axle, described axle passes described rotor and described stator; And

Motor fixture, described motor fixture cover the open side of described rotor and are formed with wire through-hole in its side, and the lead that is connected to described stator passes described wire through-hole.

12. motor according to claim 11, wherein said wire through-hole are the grooves that along the circumferential direction is formed in the described motor fixture.

13. motor according to claim 11, wherein said axle is given prominence to along outward direction from described rotor and is coupled to described rotor by retaining element.

14. motor according to claim 11, wherein said motor fixture comprises:

The plate portion that holds the side of described stator;

Flange portion from the curved edge of described plate portion; And

Radially from the marginal portion of described flange portion bending.

15. motor according to claim 14, wherein said wire through-hole is formed in the described flange portion.

16. motor according to claim 11 also comprises:

Be connected to the upper bracket of the upper surface of described stator; And

Be connected to the lower tray of the lower surface of described stator.

17. motor according to claim 16, wherein said lower tray is fixed to described motor fixture.

18. motor according to claim 16, wherein said lower tray has upper surface, and described upper surface is fixed in the end of described axle.

19. motor according to claim 16, wherein said upper bracket and described lower tray form the support housing part respectively, and described support housing is used for partly therein that heart place holds bearing.

20. motor according to claim 19, wherein said motor fixture heart place therein are formed with and keep away the hole, the support housing that is used for avoiding and being formed in the described lower tray partly produces interference.

21. motor according to claim 16, wherein said motor fixture comprises step part, and described lower tray is fixed to described step part.

22. motor according to claim 16 also comprises the driver that is fixed to described lower tray, wherein is formed with wire through-hole in the side of described lower tray, to pass the lead that is connected to described driver.

23. motor according to claim 16 also comprises a plurality of drivers, the part of described driver places this between the electric machine support, and the remainder of described driver places between described stator and the described motor fixture.

24. motor according to claim 11 also comprises the driver that places between described motor fixture and the described stator.

25. motor according to claim 11 also comprises:

Analog bracket, described motor fixture is mounted to described analog bracket in the mode that absorbs vibration; And

The anti-vibration element that connects described motor fixture and described analog bracket, wherein said anti-vibration element comprises:

Insert the rubber parts in the described motor fixture;

Place the flexible member between described motor fixture and the described analog bracket; And

Pass the retaining element of described rubber parts and described flexible member.

26. motor according to claim 25, wherein said retaining element comprises:

Press the head of described rubber parts; And

Be soldered to the main body of described analog bracket.

27. motor according to claim 25, wherein said retaining element comprises:

Press the head of described rubber parts; And

Insert the main body in the nut.

28. motor according to claim 11 also comprises:

The axle standing part, described axle standing part is outstanding along in outside direction and the internal direction at least one with respect to described centre of rotor, and described axle inserts and is supported in the described axle standing part; And

Retaining element, it passes described axle standing part and described axle.

29. an air-conditioning comprises:

Motor, described motor comprise stator, around the outside rotor rotated of described stator, pass described rotor and an end and insert wherein axle standing part to outstanding axle and with respect to described centre of rotor along at least one the outstanding and described axle in internal direction and the outside direction at a distance along the direction opposite with a side of holding described stator;

Air blast, described air blast are connected to described axle and rotate with described axle;

Heat exchanger, described heat exchanger are arranged in the space of contiguous described air blast; And

Main body, it is used to hold described motor, described air blast and described heat exchanger.

30. air-conditioning according to claim 29 also comprises the retaining element that passes described axle standing part and described axle.

31. air-conditioning according to claim 29 also comprises being arranged on the driver that described motor internal is used for controlling the operation of described motor.

32. air-conditioning according to claim 29 also comprises:

Cover the motor fixture of the opening portion of described rotor; And

Electric machine support, described electric machine support connect described stator and described motor fixture so that described stator is fixed to described motor fixture.

33. air-conditioning according to claim 32, wherein said motor fixture is directly fixed in the described main body by the anti-vibration element.

34. air-conditioning according to claim 32 also comprises the analog bracket that places between described motor fixture and the described main body.

35. air-conditioning according to claim 32 also comprises:

Blower-casting, described blower-casting hold described air blast and are formed with air inlet in its side;

Be arranged on the aperture at described air inlet place; And

Analog bracket, described motor fixture are fixed on the described analog bracket, and wherein said analog bracket is fixed in the front in described aperture.

36. air-conditioning according to claim 29 also comprises:

The blower-casting that holds described air blast; And

A side that is arranged on described blower-casting is used for guiding the aperture of suction air,

Wherein said motor is fixed to described aperture.