CN1236542C - Motor, axial fan using said motor, and axial fan used for indoor machine of air conditioner - Google Patents
Motor, axial fan using said motor, and axial fan used for indoor machine of air conditioner Download PDFInfo
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- CN1236542C CN1236542C CNB011255099A CN01125509A CN1236542C CN 1236542 C CN1236542 C CN 1236542C CN B011255099 A CNB011255099 A CN B011255099A CN 01125509 A CN01125509 A CN 01125509A CN 1236542 C CN1236542 C CN 1236542C
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Abstract
A motor 56 is provided with a stator, a supporting shaft fixed to the stator concentrically, a cup-shaped rotor arranged outside virtually in the radial direction with respect to the stator and driven to rotate around the stator, and a rotation support member that is arranged between the supporting shaft and the rotor to support the rotor, in such a way as to be freely rotatable to the support shaft. The axial fan 23, one end of the direction of the axial line of which is fixed, for a room unit 55 of the air conditioner is fixed coaxially with the rotor. Thus the object of the invention is to increase the capability of the room unit of an air conditioner by reducing the number of parts and by shortening the length in the direction of the axial line of a motor.
Description
Technical field
The present invention relates to a kind of rotor configuration in stator foreign side's side and by around the motor of stator driving rotational, the tube-axial fan that utilizes this motor, and the used for indoor machine tube-axial fan of air conditioner radially.
Background technology
Figure 12 is the sectional drawing of the thin type external rotor brushless d.c. motor (to call motor in the following text) 1 of prior art.Below, the formation of motor 1 is described with reference to Figure 12.
Motor 1 is wound in iron core 2 with coil, constitutes to be roughly stator 4 cylindraceous.
Be rotor 5 cylindraceous in the radially foreign side of stator 4 and the configuration of stator 4 devices spaced apart ground substantially by what permanent magnet pieces etc. constituted.Axis direction one end of rotor 5 constitutes towards the footpath connecting portion 6 that extend inside side, at the hollow bulb and the connecting portion 6 of above-mentioned rotor 5 sleeve 7 is set integratedly.At sleeve 7 fixing gyroaxis 8 coaxially.But gyroaxis 8 at the axis direction both ends of the shell 9 that surrounds stator 4 and rotor 5 from the outside by with stator 4 and rotor 5 bearings such as annular bearing with rolling contact 10,11 free rotaring ground supportings along the configuration of axis direction devices spaced apart ground.Unshowned wiring substrate in the allocation plan in shell 9, control are to the energising of above-mentioned coil etc.
In such motor 1, the parts as realizing rotor 5 need sleeve 7, exist number of components to increase, constitute complicated problem.
In addition, this motor 1 is provided with at the axis direction both ends of the shell 9 that surrounds stator 4 and rotor 5 from the outside and stator 4 and rotor 5 bearing 10,11 along the configuration of axis direction devices spaced apart ground as described above, so, have the axis direction length increase of motor 1, the problem of structure large-scaleization.
In addition, when this motor 1 for example connects tube-axial fan etc., need be connected to the connecting portion that protrudes from above-mentioned bearing 11 of gyroaxis 8, for this reason, have the problem of the structure large-scaleization that comprises tube-axial fan.
In addition, as above-mentioned tube-axial fan, in the occasion of the indoor set of air conditioner, the axis direction length of motor 1 increases is restricted the axis direction length of tube-axial fan, and the air quantity of generation descends and makes the ability drop of indoor set.
Summary of the invention
The present invention makes in order to address the above problem, its purpose is to provide a kind of motor, utilizes the tube-axial fan of this motor, and the used for indoor machine tube-axial fan of air conditioner, this motor can reduce number of components, reduce the length of motor axis direction, the miniaturization of implementation structure, this used for indoor machine tube-axial fan can increase the air quantity that is produced by fan member, increases the ability of the indoor set of air conditioner.
The present invention program 1 invention provides a kind of motor, it is characterized in that: by the electrical insulating property resin fixing bolster of mold pressing stator and relative said stator integratedly, and having the rotor of cup-shaped, this rotor configuration is driven around said stator and is rotated in the radially foreign side side of the stator of above-mentioned mold pressing.
The present invention program's 2 described motors are on the basis of such scheme 1, control to the printed circuit board (PCB) of said stator energising also by the mold pressing of electrical insulating property resin one.
The present invention program's 3 described motors are on the basis of such scheme 1 or 2, and above-mentioned printed circuit board (PCB) is configured in the side of either party at least on the axis direction of said stator.
The present invention program 4 invention provides a kind of tube-axial fan, and this tube-axial fan is provided with motor; It is characterized in that: said motor is by electrical insulating property resin mold pressing stator integratedly, control is to the printed circuit board (PCB) of said stator energising, and the fixing bolster of relative said stator, and has a rotor of cup-shaped, this rotor is configured in the radially foreign side side of the stator of above-mentioned mold pressing in fact, driven around said stator and rotated, and, the heart nearby forms the ring-type protuberance therein, the protuberance of one side of above-mentioned tube-axial fan and the above-mentioned ring-type of above-mentioned rotor is fixing coaxially, and the hollow retaining member that is made of elastomer is set at the center of this side, keep above-mentioned bolster in this retaining member inside pivotally by the radial mode bearing, another member can be fixed in freely to rotate by bearing in its another side.
The motor of the present invention program's 5 described inventions has rotor, and the pivoting support member of stator, bolster, cup-shaped, this bolster is fixed in stator with one heart, the rotor of this cup-shaped is configured in the radially foreign side side of stator in fact, driven around stator and rotated, this pivoting support member is disposed between bolster and the rotor, relatively bolster free rotaring ground supporting rotor.
The present invention program's 6 described motors also have such feature on the basis of such scheme 5: above-mentioned pivoting support member is the radial mode rolling bearing.
The present invention program's 7 described motors also have such feature on the basis of such scheme 5: above-mentioned pivoting support member is the radial mode sliding bearing.
The present invention program's 8 described motors also have such feature on the basis of such scheme 5: axis direction one end at above-mentioned rotor connects tube-axial fan.
The present invention program 9 invention provides a kind of used for indoor machine tube-axial fan of air conditioner, this used for indoor machine tube-axial fan has motor: it is characterized in that: said motor has stator, bolster, the rotor of cup-shaped, and pivoting support member, this bolster is fixed in stator with one heart, the rotor of this cup-shaped is configured in the radially foreign side side of stator in fact, driven around stator and rotated, this pivoting support member is disposed between bolster and the rotor, bolster free rotaring ground supporting rotor relatively, above-mentioned rotor coaxial fix the used for indoor machine tube-axial fan member of the air conditioner that axis direction one end is fixing.
The present invention program 10 invention provides a kind of used for indoor machine tube-axial fan of air conditioner, and this used for indoor machine tube-axial fan has motor; It is characterized in that: said motor by the electrical insulating property resin integratedly mold pressing stator, control to the printed circuit board (PCB) of said stator energising, and the fixing bolster of relative said stator, and has a rotor of cup-shaped, this rotor is configured in the radially foreign side side of the stator of above-mentioned mold pressing in fact, drive to be rotated around said stator, fixed the used for indoor machine tube-axial fan member of the air conditioner that axis direction one end is fixed on above-mentioned rotor coaxial ground.
Effect
According to the motor of the invention of scheme 1, owing to can will be arranged at the motor outside with the bearing that rotor is provided with relatively by the mold pressing of one, so, can reduce the axis direction length of motor thus, make the formation miniaturization.
In addition, owing to stator and bolster are set mutually integratedly by mold pressing, so, do not need to be used for printed circuit board (PCB), stator, and the connecting elements that interfixes such as bolster can be reduced the number of components of motor.
According to the motor of the invention of scheme 2 because stator, printed circuit board (PCB), and bolster carry out mold pressing by the resinous shell one of electrical insulating property, so the occasion of comparable air layer further shortens the electric insulation required separation distance between stator and printed circuit board (PCB).Like this, can shorten the distance of printed circuit board (PCB) and stator, reduce the length of the axis direction of motor.Thus, but the miniaturization of implementation structure.
In addition, owing to printed circuit board (PCB), stator, and bolster are set mutually integratedly by mold pressing, so, do not need to be used for printed circuit board (PCB), stator, and the connecting elements that interfixes such as bolster can be reduced the number of components of motor.
According to the motor of the invention of scheme 3, above-mentioned printed circuit board (PCB) is configured in the side of either party at least on the axis direction of stator.By such constituting, also can realize the action effect same with above-mentioned action effect.
The structure of the tube-axial fan of the invention of scheme 4 is simple and easy, can be realized by low cost.
According to the motor of scheme 5 described engines, at stator fixed-bearing axis with one heart, the rotor relative stator is configured in radially foreign side's side in fact, by around the stator driving rotational.Between bolster and rotor, configuration is the pivoting support member of bolster free rotaring ground supporting rotor relatively.
That is, in motor of the present invention, above-mentioned bolster does not turn round, and the revolution of rotor is delivered to the outside.Therefore, as by the rotating example of motor driven, members such as fan are connected in above-mentioned rotor.
Therefore, owing to do not need gyroaxis, so, do not need the revolution of rotor is delivered to gyroaxis, can reduce number of components thus.
In addition, by the member of said motor driving rotational owing to directly be connected with rotor, so, comprise all axis direction length of formation of motor, the miniaturization of implementation structure in the time of can reducing to connect such member.
According to scheme 6 described inventions, above-mentioned pivoting support member is the radial mode rolling bearing, in such occasion, also can realize above-mentioned action effect.
According to scheme 7 described inventions, above-mentioned pivoting support member is the radial mode sliding bearing, in such occasion, also can realize above-mentioned action effect.
According to scheme 8 described inventions, connect tube-axial fan in axis direction one end of above-mentioned rotor, in such occasion, also can realize above-mentioned action effect.
According to scheme 9 described inventions, at stator fixed-bearing axis with one heart, rotor is configured in the radially foreign side side of stator in fact, is driven around stator and rotates.Configuration pivoting support member between bolster and rotor, this pivoting support member is bolster free rotaring ground supporting rotor relatively.Above-mentioned rotor coaxial fix the used for indoor machine tube-axial fan member of the air conditioner that axis direction one end is fixing, constitute the used for indoor machine tube-axial fan of air conditioner.
That is, in motor of the present invention, above-mentioned bolster does not turn round, and the revolution of rotor is delivered to the outside.Therefore, as by the rotating example of motor driven, members such as fan are connected in above-mentioned rotor.
Therefore, owing to do not need gyroaxis, so, do not need the revolution of rotor is delivered to gyroaxis, can reduce number of components thus.
In addition, by the member of said motor driving rotational owing to directly be connected with rotor, so, comprise all axis direction length of formation of motor, the miniaturization of implementation structure in the time of can reducing to connect such member.
In addition,, tube-axial fan member axis direction length measures accordingly because being increased with motor axis direction length decrease, so, can increase the air quantity that fan member produces, increase the ability of the indoor set of air conditioner.
According to the invention of scheme 10 because stator, printed circuit board (PCB), and bolster carry out mold pressing by the resinous shell one of electrical insulating property, so the occasion of comparable air layer further shortens the electric insulation required separation distance between stator and printed circuit board (PCB).Like this, can shorten the distance of printed circuit board (PCB) and stator, reduce the length of the axis direction of motor, thus, can realize the miniaturization that constitutes.
In addition, owing to can will be arranged at the motor outside with the bearing that rotor is provided with relatively by the mold pressing of above-mentioned one, so, can reduce the axis direction length of motor thus, make the formation miniaturization.
In addition, owing to printed circuit board (PCB), stator, and bolster are set mutually integratedly by mold pressing, so, do not need to be used for printed circuit board (PCB), stator, and the connecting elements that interfixes such as bolster can be reduced the number of components of motor.
In addition, reduce, tube-axial fan member axis direction length is increased with motor axis direction length decrease measure accordingly by the axis direction length that makes motor, so, can increase the air quantity that fan member produces, increase the ability of the indoor set of air conditioner.
Description of drawings
Fig. 1 is the sectional drawing of the motor 21 of the present invention the 1st embodiment.
Fig. 2 is the left surface figure of motor 21.
Fig. 3 is the right hand view of motor 21.
Fig. 4 is the sectional drawing of the motor 21a of the present invention the 2nd embodiment.
Fig. 5 is the sectional drawing of the motor 21b of the present invention the 3rd embodiment.
Fig. 6 is the sectional drawing of the motor 21c of the present invention the 4th embodiment.
Fig. 7 is the left surface figure of motor 21c.
Fig. 8 is the right hand view of motor 21c.
Fig. 9 is the sectional drawing of the motor 21d of the present invention the 5th embodiment.
Figure 10 is the sectional drawing of the motor 21e of the present invention the 6th embodiment.
Figure 11 for the simplification of the indoor set 55 of the present invention the 7th embodiment decomposition diagram.
Figure 12 is the sectional drawing of the motor 1 of prior art.
Embodiment
(the 1st embodiment)
Fig. 1-Fig. 3 is the figure that the present invention the 1st embodiment is shown, and Fig. 1 is the sectional drawing of the thin type external rotor brushless d.c. motor (to call motor in the following text) 21 of present embodiment, and Fig. 2 is the left surface figure of motor 21, and Fig. 3 is the right hand view of motor 21.Below, the formation of motor 21 is described with reference to Fig. 1-Fig. 3.
In the radially foreign side of stator 24, be roughly rotor 25 cylindraceous by what permanent magnet pieces etc. constituted from the ground configuration of stator 24 devices spaced apart.The connecting portion 26 that extended the side in axis direction one end of rotor 25 constituted radially is the protuberance 50 that the center of rotor 25 nearby forms ring-type in the inside square end in the footpath of connecting portion 26 portion.
On the other hand, cover the bellying 52 of connecting elements 33 central portions of being located at tube-axial fan 32 described later at this ring-type protuberance 50.The radial mode rolling bearing is set in the inboard of this bellying 52 constitutes bearing 27.The fixing bolster 28 with stator 24 arranged coaxial of inside side's side in the footpath of bearing 27.That is, rotor 25 can be connected to bolster 28 and stator 24 freely to rotate by bearing 27.Position at the bolster 28 suitable with stator 24 side ends is provided with E shape back-up ring 35, realizes the positioning function of the axis direction of bearing 27.
In addition, stator 24 with rotor 25 opposite sides, it is wired circuit board 30 that configuration has the printed circuit board (PCB) that is used for the outside splicing ear 29 that is electrically connected, and controls the energising of above-mentioned coil 23 etc.The inside square end position in opposite directions in this printed circuit board (PCB) 30 and axis direction end rotor 25 and footpath is provided with magnetic pole detecting element 43,44 respectively.
Above-mentioned bolster 28 is not limited to above-mentioned mold pressing with being connected of shell 38, for example, also can carry out annular knurl processing, carry out and the corresponding processing of this annular knurl processing, bolster 28 is inserted into the above-mentioned open-work of shell 38 at the open-work inner peripheral surface that is formed at shell 38 at bolster 28.Also can realize preventing the function of bolster 28 opposite shell 38 rotations thus.
In addition, a plurality of protruding 31 in the axis direction foreign side side of the connecting portion 26 of rotor 25 along circumferentially forming, be fixed on a plurality of open-works 34 of the circular connecting elements 33 that is formed at tube-axial fan 32 by ca(u)lk or screw etc.One end of a plurality of blades 36 of tube-axial fan 32 is fixed to connecting elements 33, and the other end is respectively fixed to circular connecting elements 37 as other example.
In addition, in the motor 21 of present embodiment, above-mentioned bolster 28 does not turn round, and the revolution of rotor 25 is delivered to the outside.Therefore, the tube-axial fan 32 by motor 21 driving rotational is connected with above-mentioned rotor 25.In the present embodiment, owing to do not need such gyroaxis of DESCRIPTION OF THE PRIOR ART, so, no longer need the revolution of rotor 25 is delivered to gyroaxis, can reduce number of components thus.
In the motor 21 of present embodiment, owing to above-mentioned bearing 27 can be arranged on the outside of motor 21, so, can make the structure miniaturization of motor 21.
In addition, directly be connected with rotor 25 by the tube-axial fan 32 of said motor 21 driving rotational, so, can reduce to comprise all axis direction length of formation of motor 21 and tube-axial fan 32, make the structure miniaturization.
(the 2nd embodiment)
Fig. 4 is the sectional drawing of the motor 21a of the 2nd embodiment.
Present embodiment and above-mentioned the 1st embodiment are similar, adopt identical reference marks at counterpart.
Present embodiment is characterised in that the annular bearing with rolling contact 27 of the 1st embodiment is replaced by bush(ing) bearing (to call sliding bearing in the following text) 39.For this reason, inwardly will be fixed in the protuberance 50 of the ring-type of rotor 25 by elastomer (for example vulcanie) base portion 41 that constitute, that be roughly hollow truncated cone-shaped retaining member 40 in the side in the footpath of the circular connecting elements 33 of tube-axial fan 32.
Near perimembranous in retaining member 40 and ends base portion 41 opposition sides forms the maintenance groove 42 of concavity along full week.Outer peripheral face constitutes and keeps the shape corresponding shape of groove 42, the above-mentioned sliding bearing 39 that inner peripheral surface is the straight cylinder shape to be configured between maintenance groove 42 and the bolster 28.Clearly, can realize the function same by this sliding bearing 39 with the rolling bearing 27 of above-mentioned the 1st embodiment.
That is, in the present embodiment, also can realize with the 1st embodiment in the same action effect of action effect that illustrates.In addition, in the occasion of present embodiment, because retaining member 40 is made of elastomer, so, can prevent transfer of vibration from motor 21a, further prevent vibration.
(the 3rd embodiment)
Fig. 5 is the sectional drawing that the motor 21b of the 3rd embodiment is shown.
In above-mentioned the 1st embodiment and the 2nd embodiment, wiring substrate 30 relative stator 24 are configured in the opposition side of tube-axial fan 32, but in the present invention also can be as shown in Figure 5, and relative stator 24 is configured in wiring substrate 30 same side of tube-axial fan 32.Clearly, in such modified example, also can realize with above-mentioned the 1st embodiment in the same action effect of action effect that illustrates.
That is, in the present embodiment, also can realize with above-mentioned the 1st embodiment in the same action effect of action effect that illustrates.
(the 4th embodiment)
Below, the 4th embodiment of the present invention is described with reference to the accompanying drawings.
Fig. 6-Fig. 8 illustrates the 4th embodiment of the present invention, and Fig. 6 is the sectional drawing of thin type external rotor brushless motor (the to call motor in the following text) 21c of present embodiment, and Fig. 7 is the left surface figure of motor 21c, and Fig. 8 is the right hand view of motor 21c.Below, the formation of motor 21c is described with reference to Fig. 6-Fig. 8.
Motor 21c is at 22 coiling coils 23 unshakable in one's determination, and formation is roughly stator 24 cylindraceous.In the radially foreign side of stator 24, the rotor 25 that is roughly cylindric (being cup-shaped) that constitutes by permanent magnet pieces etc. from the ground configuration of stator 24 devices spaced apart.The connecting portion 26 that extended the side in axis direction one end of rotor 25 constituted radially, the inside square end in the footpath of connecting portion 26 portion is connected to foreign side's side of bearings 27 such as radial mode rolling bearing.The fixing bolster 28 with stator 24 arranged coaxial of inside side's side in the footpath of bearing 27.That is, rotor 25 can be connected to bolster 28 and stator 24 freely to rotate by bearing 27.Position at the bolster 28 suitable with stator 24 side ends is provided with E shape back-up ring 35, realizes the positioning function of the axis direction of bearing 27.
In addition, stator 24 with rotor 25 opposite sides, it is wired circuit board 30 that configuration has the printed circuit board (PCB) that is used for the outside splicing ear 29 that is electrically connected, and controls the energising of above-mentioned coil 23 etc.The inside square end position in opposite directions in this printed circuit board (PCB) 30 and axis direction end rotor 25 and footpath is provided with magnetic pole detecting element 43,44 respectively.
In addition, in the axis direction foreign side side of above-mentioned connecting portion 26, a plurality of protruding 31 along circumferentially forming, the example as constituting tube-axial fan 32 is entrenched in a plurality of open-works 34 that are formed at circular connecting elements 33, prevents to rotate.One end of a plurality of blades 36 of tube-axial fan 32 is fixed to connecting elements 33, and the other end is respectively fixed to circular connecting elements 37 as other example.
Motor 21c with such formation from magnetic field and the magnetic pull in the magnetic field that produces from rotor 25 and the effect of repulsion that stator 24 produces, is subjected to the revolution of ground, location at axis direction during by energising.
In addition, in the motor 21c of present embodiment, above-mentioned bolster 28 does not turn round, and the revolution of rotor 25 is delivered to the outside.Therefore, the tube-axial fan 32 by motor 21c driving rotational is connected with above-mentioned rotor 25.Therefore, in the present embodiment, owing to do not need such gyroaxis of DESCRIPTION OF THE PRIOR ART, so, no longer need the revolution of rotor 25 is delivered to gyroaxis, can reduce number of components thus.
In the motor 21c of present embodiment, owing to above-mentioned bearing 27 can be arranged on the outside of motor 21c, so, can make the formation miniaturization of motor 21c.
In addition, directly be connected with rotor 25 by the tube-axial fan 32 of said motor 21c driving rotational, so, can reduce to comprise all axis direction length of formation of motor 21c and tube-axial fan 32, make the formation miniaturization.
(the 5th embodiment)
Fig. 9 is the sectional drawing of the motor 21d of the 5th embodiment.
Present embodiment and above-mentioned the 4th embodiment are similar, adopt identical reference marks at counterpart.Present embodiment is characterised in that the annular bearing with rolling contact 27 of the 5th embodiment is replaced by bush(ing) bearing (to call sliding bearing in the following text) 39.
Clearly, can realize the function same by this sliding bearing 39 with the rolling bearing 27 of above-mentioned the 4th embodiment.
That is, in the present embodiment, also can realize with the 5th embodiment in the same action effect of action effect that illustrates.
(the 6th embodiment)
Figure 10 is the sectional drawing that the motor 21e of the 6th embodiment is shown.
In above-mentioned the 4th embodiment and the 5th embodiment, wiring substrate 30 relative stator 24 are configured in the opposition side of tube-axial fan 32, but in the present embodiment also can be as shown in Figure 10, and relative stator 24 is configured in wiring substrate 30 same side of tube-axial fan 32.Clearly, in such modified example, also can realize above-mentioned action effect.
That is, in the present embodiment, also can realize with above-mentioned the 5th embodiment in the same action effect of action effect that illustrates.
(the 7th embodiment)
Figure 11 is the decomposition diagram that constitutes substantially of indoor set 55 that the air conditioner of the present invention the 7th embodiment is shown.
Present embodiment and the various embodiments described above are similar, and corresponding part adopts identical reference marks.Present embodiment is characterised in that, drives from the tube-axial fan 32 rotating motors 56 of indoor set 55 to indoor air-supply as being used to, use above-mentioned the 1st embodiment-the 6th embodiment each motor 21 ..., among the 21e any one.
In the present embodiment, by adopting such formation, as the various embodiments described above explanation, can reduce the axis direction length of motor 56.Like this, the axis direction length increase of tube-axial fan 32 is measured accordingly with the axis direction length decrease of motor 56, so, can increase the air quantity that tube-axial fan 32 produces, increase the ability of the indoor set 55 of air conditioner.
In addition, as modified example of the present invention, motor of the present invention and tube-axial fan also can be used for the hot water supply device to be implemented.
The invention is not restricted to the foregoing description, in the scope that does not break away from spirit of the present invention, comprise modified example widely.
The possibility of utilizing on the industry
According to the motor of the invention of scheme 1 and since can by the mold pressing of one will with rotor relatively The bearing that arranges is arranged at the motor outside, so, can reduce thus the axis direction length of motor, Make miniaturized structure.
In addition, owing to by mold pressing stator and bolster are set integratedly mutually, so, do not need To be used for printed circuit board (PCB), stator, and the connecting elements that interfixes such as bolster can be subtracted The number of components of few motor.
According to the motor of the invention of scheme 2 because stator, printed circuit board (PCB), and bolster by The resinous shell one of electrical insulating property is carried out mold pressing, so the occasion of comparable air layer advances one Step shortens the electric insulation required separation distance between stator and printed circuit board (PCB). Like this, can shorten the printing electricity The distance of road plate and stator reduces the axis direction length of motor. Thus, but implementation structure Miniaturization.
In addition, owing to printed circuit board (PCB), stator are set mutually integratedly, reach supporting by mold pressing Axle, so, do not need for printed circuit board (PCB), stator, and bolster etc. interfix Connecting elements can reduce the number of components of motor.
According to the motor of the invention of scheme 3, in claim 1 and 2 any, on State at least either party side on the axis direction that printed circuit board (PCB) is configured in stator. By such structure Become, also can realize the action effect same with above-mentioned action effect.
Structure according to the tube-axial fan of the invention of scheme 4 is simple and easy, can be realized by low cost. In addition, because retaining member is made of elastomer, so, can prevent from the vibration of motor Transmit, further prevent vibration.
According to the motor of scheme 5 described engines, at stator fixed-bearing axis with one heart, turn to Sub-relative stator is configured in fact radially foreign side's side, is driven revolution around stator. At bolster And between the rotor, configuration is the pivoting support member of bolster free rotaring ground supporting rotor relatively.
That is, in motor of the present invention, above-mentioned bolster does not turn round, and the revolution of rotor is delivered to Outside. Therefore, as driven rotating example by motor, be connected in the members such as fan above-mentioned Rotor.
Therefore, owing to do not need gyroaxis, so, do not need the revolution of rotor is delivered to back Rotating shaft can reduce number of components thus.
In addition, drive rotating member owing to directly be connected with rotor by said motor, so, The all axis direction length of formation that comprises motor in the time of can reducing to connect such member realizes The miniaturization of structure.
According to scheme 6 described inventions, above-mentioned pivoting support member is the radial mode rolling bearing, In such occasion, also can realize above-mentioned action effect.
According to scheme 7 described inventions, above-mentioned pivoting support member is the radial mode sliding bearing, In such occasion, also can realize above-mentioned action effect.
According to scheme 8 described inventions, connect axial flow in axis direction one end of above-mentioned rotor The formula fan in such occasion, also can be realized above-mentioned action effect.
According to scheme 9 described inventions, the chamber of the air conditioner that axis direction one end is fixed Interior machine with the tube-axial fan component coaxial be fixed on and driven rotating rotor around stator, consist of The used for indoor machine tube-axial fan of air conditioner. Therefore, in the present invention, can respectively invent with above-mentioned Similarly realize the effect of above-mentioned each invention, and can make the axis direction of tube-axial fan member long Degree increases with motor axis direction length decrease to be measured accordingly, so, can increase fan member The air quantity that produces, the ability of the indoor set of increase air conditioner.
According to the invention of scheme 10 because stator, printed circuit board (PCB), and bolster by electric insulation The resinous shell one of property is carried out mold pressing, so the occasion of comparable air layer further shortens Electric insulation required separation distance between stator and printed circuit board (PCB). Like this, can shorten printed circuit board (PCB) with The distance of stator reduces the length of the axis direction of motor. Thus, can respectively invent together with above-mentioned The effect of above-mentioned each invention is realized on sample ground, and, reduce by the axis direction length that makes motor, The axis direction length of tube-axial fan member is increased and motor axis direction length decrease Corresponding amount, so, can increase the air quantity that fan member produces, increase the indoor set of air conditioner Ability.
Claims (2)
1. a tube-axial fan has motor; It is characterized in that:
Said motor by the electrical insulating property resin integratedly mold pressing stator, control to the printed circuit board (PCB) of said stator energising, and the fixing bolster of relative said stator;
Rotor with cup-shaped, this rotor are configured in the radially foreign side side of the stator of above-mentioned mold pressing in fact, driven around said stator and rotate, and the heart nearby forms the ring-type protuberance therein;
The protuberance of one side of above-mentioned tube-axial fan and the above-mentioned ring-type of above-mentioned rotor is fixing coaxially, and the hollow retaining member that is made of elastomer is set at the center of this side, keep above-mentioned bolster in this retaining member inside pivotally by the radial mode bearing, another member can be fixed in freely to rotate by bearing in its another side.
2. tube-axial fan as claimed in claim 1 is characterized in that, described tube-axial fan is the used for indoor machine tube-axial fan of air conditioner.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000238390A JP3513654B2 (en) | 2000-01-14 | 2000-08-07 | Axial fan |
| JP238390/2000 | 2000-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1337771A CN1337771A (en) | 2002-02-27 |
| CN1236542C true CN1236542C (en) | 2006-01-11 |
Family
ID=18730098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011255099A Expired - Fee Related CN1236542C (en) | 2000-08-07 | 2001-08-07 | Motor, axial fan using said motor, and axial fan used for indoor machine of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1236542C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424360C (en) * | 2004-02-11 | 2008-10-08 | 台达电子工业股份有限公司 | Fan and its flabellum assembly |
| CN1900616B (en) * | 2005-07-19 | 2010-12-22 | 乐金电子(天津)电器有限公司 | Air blower |
| CN102751821A (en) * | 2011-04-20 | 2012-10-24 | 台达电子工业股份有限公司 | Motor and fan applying same |
| CN104428595B (en) * | 2012-07-03 | 2017-06-27 | 三菱电机株式会社 | The indoor set of air conditioner and the air conditioner with the indoor set |
| CN104913386B (en) * | 2015-05-29 | 2018-03-27 | 广东美的制冷设备有限公司 | Indoor set |
-
2001
- 2001-08-07 CN CNB011255099A patent/CN1236542C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1337771A (en) | 2002-02-27 |
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