CN1329230A - Electric motor mounting structure for air conditioner - Google Patents

Electric motor mounting structure for air conditioner Download PDF

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Publication number
CN1329230A
CN1329230A CN01112144A CN01112144A CN1329230A CN 1329230 A CN1329230 A CN 1329230A CN 01112144 A CN01112144 A CN 01112144A CN 01112144 A CN01112144 A CN 01112144A CN 1329230 A CN1329230 A CN 1329230A
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CN
China
Prior art keywords
motor
vibration
proof rubber
aforementioned
air conditioner
Prior art date
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Granted
Application number
CN01112144A
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Chinese (zh)
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CN1143996C (en
Inventor
郑寅和
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LG Electronics Inc
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LG Electronics Inc
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Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CN1329230A publication Critical patent/CN1329230A/en
Application granted granted Critical
Publication of CN1143996C publication Critical patent/CN1143996C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • F24F2013/205Mounting a ventilator fan therein
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/245Means for preventing or suppressing noise using resonance

Abstract

To realize a motor mounting structure of an air conditioner capable of preventing excess vibration and noise occurring upon rotation of a motor and an impeller. An air conditioner is adapted to include a casing, an auxiliary steel sheet mounted on a rear surface in the casing for reinforcing the strength of the casing, a motor with its rotary shaft vertically mounted on the foregoing auxiliary steel sheet, an impeller coupled to through its shaft to the foregoing motor, and an upper side vibrationproof rubber mounted on an upper portion of the rotary shaft of the motor between the auxiliary steel sheet and the motor and a lower side vibration proof rubber provided on a lower portion of the rotary shaft of the motor. In the air conditioner, a tightening groove of the vibrationproof rubber on the foregoing lower side is isolated farther away from the auxiliary steel sheet compared with the tightening groove in the upper side vibrationproof rubber for tightening the foregoing motor.

Description

Electric motor mounting structure for air conditioner
The present invention relates to air-conditioning, particularly relate to the electric motor mounting structure that is installed in the indoor type of often putting (vertical) air-conditioning.
General air-conditioning is to make room air and refrigerant carry out heat exchange, makes the equipment of room temperature lowering.In the air-conditioning of exercising this function, the type of often the putting air-conditioning that uses is arranged in the refrigeration than large space.
Fig. 1 is the general normal sectional side view of putting the type indoor apparatus of air conditioner.Fig. 2 a is general normal side exploded view of putting type indoor apparatus of air conditioner blower fan, and Fig. 2 b is the general normal plane of putting type indoor apparatus of air conditioner motor.
As shown in FIG., the general type of often putting indoor apparatus of air conditioner is installed suction grille 11, air discharge grille 12 is installed, in aforementioned casing 10 inside heat exchanger 30 and blower fans 40 is installed in the casing front upper in the front lower of casing 10 usually.
Especially, aforementioned blower fan 40 is constituted by motor 41 and impeller 46.Aforementioned motor 41 is fixed on the auxiliary steel plate of installing at casing 10 rear portions 20.
At this moment, the vibration-proof rubber 50 of the vibration that absorbs motor 41 generations is installed between aforementioned motor 41 and aforementioned auxiliary steel plate 20.
The general air-conditioning of Gou Chenging is by 46 rotations of motor 41 impeller like this, thereby suck extraneous air by the suction grille 11 that is installed in casing 10 fronts, the extraneous air of aforementioned inspiration is cooled through heat exchanger 30, discharge by the air discharge grille 12 that is installed in aforementioned casing 10 fronts, and make indoor refrigeration.
In the indoor set of existing general air-conditioning, pass on the casing 10 for preventing the vibration that motor 41 produces, between aforementioned motor 41 and aforementioned auxiliary steel plate 20, vibration-proof rubber 50 is installed.
But aforementioned motor 41 is under the state perpendicular to aforementioned steel plate 20, only supported by its underpart connection, so the major part of motor 41 and impeller 46 loads has been added on the vibration-proof rubber 50 of the bottom that is installed in aforementioned motor 41 and aforementioned impeller 46 rotating shaft X, the load that is installed in like this on the vibration-proof rubber 50 on motor 41 rotating shaft X tops has just remained little.
Therefore, as shown in Figure 3, the rotating shaft X of aforementioned motor 41 and aforementioned impeller 46 is not and auxiliary steel plate 20 vertical installations, but downward-sloping certain angle θ.
In case produced initially in aforementioned motor 41 and impeller 46 under (just install, also do not move) sagging state, when rotating, can form excessive vibration, and the vibration displacement of impeller 46 leading sections is obviously increased by aforementioned motor 41 impeller.
When the leading section vibration of aforementioned impeller 46 increases, aforementioned impeller 46 and the impeller chimney 47 that wraps in aforementioned impeller 46 outsides are collided and send the friction sound, and when this vibration displacement is excessive, aforementioned impeller 46 and aforementioned impeller chimney are collided and causes breakage.
The concentricity of impeller 46 or mass centre are inconsistent slightly especially, and aforementioned impeller 46 leading section vibration displacements are obviously strengthened.And make the problem of the correctly consistent work of described impeller 46 concentricitys or mass centre because of the manufacture view of metal pattern etc., and difficult.
Fig. 4 a, Fig. 4 b show the general normal figure that puts the impeller 46 leading section vibration displacements of type indoor apparatus of air conditioner, are that blower fan is installed on the air-conditioning, impeller 46 has produced the test data under the initial hang.
As shown in the figure, the displacement of the vertical and horizontal of impeller 46 leading sections demonstrates very big peak value under the frequency that is equivalent to impeller 46 rotating speeds.And because aforementioned impeller 46 rotating speeds become big, peak value can be bigger.
Fig. 5 a, Fig. 5 b pull down the general type of often putting indoor apparatus of air conditioner blower fan and the vibration displacement figure of impeller 46 front ends that experimentize.Be that blower fan is being pulled down from air-conditioning, prevent the result who experimentizes under the sagging state of impeller 46.
As shown in the figure, the result that blower fan 40 is pulled down, impeller 46 front end vibration displacements are experimentized from indoor apparatus of air conditioner compares with the vibration displacement of impeller 46 front ends earlier figures 4a, Fig. 4 b, and is all very little in vertical and horizontal displacement as can be known.
From such result as can be seen, in existing indoor apparatus of air conditioner, the initial sagging vibration displacement to impeller 46 of motor 41 and impeller 46 has great role.
In addition, when resonance took place the air-conditioning whole system, the initial sagging vibration displacement of impeller 46 front ends that will make of motor 41 and impeller 46 was bigger.
The present invention develops in order to solve above-mentioned prior art problem, and its purpose is, prevent because the rotating shaft of motor and impeller is sagging under the load of aforementioned motor and aforementioned impeller, and the excessive vibration and the noise that when aforementioned motor and aforementioned wheel rotation, take place.
Another purpose of the present invention is that the resonant frequency of air-conditioning total system is not included in the blower fan rotational frequency, and impeller is not collided because of resonance and aforementioned impeller chimney.
In order to achieve the above object, the invention provides a kind of electric motor mounting structure for air conditioner, described air-conditioning comprises: casing, the auxiliary steel plate that install later, that the intensity of aforementioned casing carried out reinforcement of aforementioned box house, rotating shaft is vertically mounted on the motor on the aforementioned auxiliary steel plate, be connected the impeller on the axle of aforementioned motor, be contained between aforementioned auxiliary steel plate and the aforementioned motor, at the top vibration-proof rubber on the rotating shaft top of aforementioned motor and be contained in the bottom vibration-proof rubber of aforementioned electric arbor bottom; The link slot of aforementioned bottom vibration-proof rubber is far away apart from aforementioned auxiliary steel plate than the link slot of the aforementioned top vibration-proof rubber that connects aforementioned motor.
In addition, the invention provides a kind of electric motor mounting structure for air conditioner, described air-conditioning comprises: casing, the auxiliary steel plate that install later, that the intensity of aforementioned casing carried out reinforcement of aforementioned box house, rotating shaft is vertically mounted on the motor on the aforementioned auxiliary steel plate, be connected the impeller on the axle of aforementioned motor, be contained between aforementioned auxiliary steel plate and the aforementioned motor, at the top vibration-proof rubber on the rotating shaft top of aforementioned motor and be contained in the bottom vibration-proof rubber of the rotating shaft bottom of aforementioned motor; The rigidity of aforementioned bottom vibration-proof rubber is bigger than the rigidity of aforementioned top vibration-proof rubber.
The present invention also provides a kind of electric motor mounting structure for air conditioner, described air-conditioning comprises: casing, the auxiliary steel plate that install later, that the intensity of aforementioned casing carried out reinforcement of aforementioned box house, rotating shaft is vertically mounted on the motor on the aforementioned auxiliary steel plate, be connected the impeller on the axle of aforementioned motor, be contained between aforementioned auxiliary steel plate and the aforementioned motor, at the top vibration-proof rubber on the rotating shaft top of aforementioned motor and be contained in the bottom vibration-proof rubber of the rotating shaft bottom of aforementioned motor; On the faying face of the aforementioned auxiliary steel plate that is connected with aforementioned bottom vibration-proof rubber, be formed with and make aforementioned bottom vibration-proof rubber to the outstanding protuberance of aforementioned motor shaft.
Overall structure of often putting the type indoor apparatus of air conditioner of the present invention is identical with former structure, thus about the explanation of this point with reference to the prior art part.
Being simply described as follows of accompanying drawing:
Fig. 1 is the general type of often putting indoor apparatus of air conditioner sectional side view;
Fig. 2 a is the side exploded view of the general type of often putting indoor apparatus of air conditioner blower fan;
Fig. 2 b is the motor plane of the general type of often putting indoor apparatus of air conditioner;
Fig. 3 is illustrated in the side view that motor and impeller shaft tilt in the general type of often the putting indoor apparatus of air conditioner;
Fig. 4 a, Fig. 4 b are the curve maps of the vibration displacement of the general type of often the putting indoor apparatus of air conditioner impeller front end of expression;
Fig. 5 a, Fig. 5 b are the curve maps of the vibration displacement of the impeller front end in the experiment that the blower fan with the general type of often putting indoor apparatus of air conditioner separates;
Fig. 6 is the blower fan exploded view of the type of often the putting indoor apparatus of air conditioner of the present invention's first example first embodiment;
Fig. 7 is illustrated in to form crooked schematic diagram on the type of often the putting indoor apparatus of air conditioner casing of the present invention's first example second embodiment;
Fig. 8 is the stereogram that is illustrated in the bending of the variform that forms on the casing of the type of often putting indoor apparatus of air conditioner of the present invention's first example second embodiment;
Fig. 9 is the exploded view of the type of often the putting indoor apparatus of air conditioner blower fan of the present invention's second example first embodiment;
Figure 10 a, Figure 10 b are the curve maps of vibration displacement of impeller front end of the type of often putting indoor apparatus of air conditioner of representing to use simultaneously first embodiment of the present invention first example, first embodiment and second example;
Figure 11 a, Figure 11 b are the curve maps of the type of often putting indoor apparatus of air conditioner impeller front end vibration displacement of representing to use simultaneously first embodiment of the present invention first example, second embodiment and second example;
Figure 12 is the exploded view of the type of often the putting indoor apparatus of air conditioner blower fan of the present invention's the 3rd example first embodiment.
Followingly the present invention is described in further detail with reference to Fig. 6 to Figure 12.
Fig. 6 is the exploded view of the type of often the putting indoor apparatus of air conditioner blower fan of the present invention's first example first embodiment.
As shown in the figure, the blower fan 140 of the type of often the putting indoor apparatus of air conditioner of first embodiment of the present invention's first example is equipped with auxiliary steel plate 120 in casing 110 inside rear, motor 141 is connected on the aforementioned auxiliary steel plate 120, impeller 146 is connected on the aforementioned motor 141, between aforementioned motor 141 and aforementioned auxiliary steel plate 120 vibration-proof rubber 150 is installed.
At this moment, the bottom vibration-proof rubber 152 installed of the rotating shaft X bottom of the top vibration-proof rubber 151 installed by the rotating shaft X top of aforementioned motor 141 and aforementioned impeller 146 of aforementioned vibration-proof rubber 150 and aforementioned motor 141 and aforementioned impeller 146 constitutes.
Describe the annexation of aforementioned auxiliary steel plate 120 and aforementioned motor 141 below in detail, be formed with a plurality of connecting portions 142 on aforementioned motor 141, on aforementioned auxiliary steel plate 120, upper bolt 121 and lower bolt 122 form projection.
In addition, aforementioned each vibration-proof rubber 151,152 forms porose in order to be inserted by aforementioned each bolt 121,122, be to be connected with the connecting portion 142 of aforementioned motor simultaneously, and form binding groove 153,154 respectively at its outer peripheral face.
Especially, in first embodiment of the present invention's first example, it is farther from aforementioned auxiliary steel plate 120 that the binding groove 154 of aforementioned bottom vibration-proof rubber links groove 153 than the aforementioned top vibration-proof rubber on the connecting portion 142 that is connected aforementioned motor.
As mentioned above, by forming the binding groove 153,154 of vibration-proof rubber separately, being linked the fixing aforementioned motor 141 of groove 153,154 by separately vibration-proof rubber is the center with the rotating shaft X of aforementioned motor 141 and aforementioned impeller 146, and the faying face of bottom is more farther from aforementioned auxiliary steel plate 120 than the faying face on top.
That is to say, the rotating shaft X of aforementioned motor 141 and aforementioned impeller 146, proportional with the range difference of the binding groove 154 of the binding groove 153 of aforementioned top vibration-proof rubber and aforementioned bottom vibration-proof rubber, tilt to aforementioned auxiliary steel plate 120 vertical axis tops (clockwise direction on the figure).
But under such state, if the load of motor 141 and impeller 146 acts on aforementioned each vibration-proof rubber 151,152, then the rotating shaft X of aforementioned motor 141 and aforementioned impeller 146 becomes and assists steel plate 120 vertical.
This is because the major part of the load of aforementioned motor 141 and aforementioned impeller 146 acts on the aforementioned bottom vibration-proof rubber 152, material characteristics according to aforementioned vibration-proof rubber 151,152, when aforementioned bottom vibration-proof rubber 152 is subjected to the load of aforementioned motor 141 and aforementioned impeller 146, the result who contracts to aforementioned auxiliary steel plate 120 side pressures.
The position of the binding groove 153,154 that aforementioned certainly each vibration-proof rubber forms is according to the load decision of motor 141 and impeller 146.
Therefore the load at motor 141 and impeller 146 becomes big, should make the aforementioned distance that respectively links between the groove 153,154 farther, perhaps should make vibration-proof rubber 150 use minimized occasion, can as shown in the figure each vibration-proof rubber 151,152 length be form differently.
That is to say, can make aforementioned bottom vibration-proof rubber 152 longer than aforementioned top vibration-proof rubber 151.
Foregoing operation can prevent the initially sagging of motor 141 and impeller 146 in first embodiment of the present invention's first example, reduce the vibration displacement and the noise of aforementioned impeller 146 front ends.
Fig. 7 is that the casing of the type of often putting indoor apparatus of air conditioner that is illustrated in second embodiment of first example produces crooked skeleton diagram, and Fig. 8 is the stereogram of the bending of the variform that forms of the type of often the putting indoor apparatus of air conditioner casing of expression the present invention first example second example.
The overall structure of the type of often the putting air-conditioning of the present invention's first example second embodiment shown in the figure is identical with aforesaid first embodiment, and specifically, present embodiment has formed buckling 113 in the back of the casing 110 on blower fan 140 tops.
In addition in existing indoor apparatus of air conditioner, general weight and expense in order to reduce product, sheet metal is adopted in the back of casing 10, and therefore aforementioned casing 10 can be because the load of motor 41 and impeller 46 etc. produces amount of deflection, and the result has taken place by the initially sagging of motor 141 and impeller 146.
That is,, as previously mentioned, form a plurality of bendings 113 longitudinally at regular intervals, be used to strengthen the intensity of aforementioned casing 110 in the back of casing 110 in the present embodiment in order to address the above problem.
In addition, in the buckling that forms later 113 of aforementioned casing 110 as shown in Figure 8, can make garden shape, or as multiple shapes such as triangle, dimetric polygonals.
Therefore the result can reduce the vibration displacement and the noise of impeller 146 front ends because the present invention's first example second embodiment also can prevent the initially sagging of motor 141 and impeller 146.
Fig. 9 is the exploded view of the type of often the putting indoor apparatus of air conditioner blower fan of the present invention's second example first embodiment.
As shown in the figure, the overall structure of the type of often the putting indoor apparatus of air conditioner blower fan 140 of the present invention's second example first embodiment is identical with first embodiment of aforementioned the present invention's first example.
Particularly, among first embodiment of the present invention's second example, in order to prevent the initially sagging of motor 141 and impeller 146, compare with the rigidity of the top vibration-proof rubber of installing on the top of the rotating shaft X of motor 141 and impeller 146 151, the rigidity of the bottom vibration-proof rubber 152 that install the bottom of the rotating shaft X of motor 141 and impeller 146 is bigger.
That is to say, in view of the major part of motor 141 and impeller 146 loads concentrates on the bottom vibration-proof rubber 152, because the rigidity of aforementioned bottom vibration-proof rubber 152 increases greatly, make under the load of aforementioned motor 141 and aforementioned impeller 146, aforementioned bottom vibration-proof rubber 152 is not compressed, thereby has prevented the initially sagging of motor 141 and impeller 146.
In addition, allow the rigidity that vibration source blower fan 140 is fixed on the vibration-proof rubber 150 on the casing 110 increase,, can prevent the resonance between blower fan 140 and the system though the vibratory output that passes to aforementioned casing 110 from aforementioned blower fan 140 increases.
Otherwise if the rigidity of vibration-proof rubber 150 descends, though the vibratory output that passes to aforementioned casing 110 by aforementioned blower fan 140 reduces, the vibration of blower fan 140 will increase.
Thereby in this example, owing to increased the rigidity of bottom vibration-proof rubber 152, the high resonant frequency of frequency that has applied when having determined the whole system of indoor apparatus of air conditioner to have than running.Increase though pass to the vibratory output of casing 110, vibrational energy consumes in aforementioned casing 110, has reduced the vibration displacement of impeller 146.
As previously mentioned, in first embodiment of the present invention's second example, can reduce the vibration displacement of aforementioned impeller 146 front ends by the rigidity that increases bottom vibration-proof rubber 152.
In addition, though do not illustrate, first example, second embodiment according to the present invention also can form buckling 113 in the back of casing 110 in aforesaid the present invention's second example.
Illustrated in casing 110 phenomenons that form buckling 113 own by first example of the present invention and second example, but be not limited to this, also can the accessory that be formed with buckling be set in the back on casing 110 tops.
In addition, the present invention can use aforementioned first example and second example simultaneously.
That is to say, can making the bottom vibration-proof rubber link groove 154 as first example, to link groove 153 than top vibration-proof rubber farther from aforementioned auxiliary steel plate 120, makes the rigidity of bottom vibration-proof rubber 152 bigger than the rigidity of top vibration-proof rubber 151 again as second example simultaneously.
Figure 10 a, Figure 10 b are the curve maps of vibration displacement of impeller front end of the type of often putting indoor apparatus of air conditioner of representing to have used simultaneously first embodiment of first embodiment of first example of the present invention and second example, vibration displacement and Fig. 4 a with the impeller front end of the use indoor apparatus of air conditioner of the present invention shown in the figure, vibration displacement shown in Fig. 4 b, existing impeller front end relatively vertically reaches the oscillation crosswise displacement as can be seen and significantly reduces.
Such result is owing to prevented the initially sagging of motor 141 and impeller 146, has increased the rigidity of bottom vibration-proof rubber 152 simultaneously.
Figure 11 a, 11b are the curve maps of impeller front end vibration displacement of the type of often putting indoor apparatus of air conditioner of representing to have used simultaneously first embodiment of first example, second example of the present invention and second example.The binding groove 154 of its expression bottom vibration-proof rubber is away from auxiliary steel plate 120, and the rigidity of increase bottom vibration-proof rubber 154, is constituting under the state of buckling 113 vibration displacement of impeller front end on the casing 110.
As can be seen subject to the foregoing, and before forming buckling 113 on the casing 110, compare, further reduced the extensional vibration displacement.
Figure 12 is the blower fan exploded view of the type of often putting indoor apparatus of air conditioner of first embodiment of the present invention's the 3rd example.
As shown in the figure, the overall structure of the indoor set blower fan 140 of the type of often the putting air-conditioning of first embodiment of the present invention's the 3rd example is identical with first embodiment of aforesaid the present invention's first example.
Particularly, in first embodiment of the present invention's the 3rd example, in order to prevent the initially sagging of motor 141 and impeller 146, on the faying face of the auxiliary steel plate 120 that connects bottom vibration-proof rubber 152, be formed with and make aforementioned bottom vibration-proof rubber 152 to the side-prominent protuberance 125 of aforementioned motor 141 1.
Promptly form peripheral high protuberance 125, when the load of motor 141 and impeller 146 acts on each vibration-proof rubber 151,152, can prevent the initially sagging of aforementioned motor 141 and aforementioned impeller 146 than upper bolt 121 by periphery in the lower bolt 122 of the auxiliary steel plate that inserts bottom vibration-proof rubber 152.
In the 3rd example of the present invention, though protuberance 125 forms, directly be combined in occasion on the casing 120 at motor 141 on auxiliary steel plate 120, also can on casing 110, form this protuberance.
Though diagram not in addition also can be according to second embodiment of first example of the present invention, in the 3rd example of the present invention, form buckling 113 in casing 110 back.
More than just often put the type air-conditioning use be illustrated as an example, obviously, the present invention also is applicable to because motor vertically in conjunction with being supported on the casing, and the air-conditioning of other sagging form is taken place by load.
As previously mentioned, the present invention has following effect:
The first, in view of the load of motor and impeller effect, formed the binding groove ratio of bottom vibration-proof rubber The binding groove of the vibration-proof rubber on top is away from auxiliary steel plate.
Therefore under the load of aforementioned motor and aforementioned impeller acts on state on the aforementioned vibration-proof rubber, can The rotating shaft that makes aforementioned motor and impeller perpendicular to aforementioned auxiliary steel plate, prevent initially sagging, thereby can subtract Vibration displacement and the noise of few impeller front end.
Second, increase by the rigidity that makes the bottom vibration-proof rubber, can prevent that motor and impeller are initially sagging, simultaneously, so the frequency height that system's resonant frequency of air-conditioning integral body is applied than blower fan is the over-large displacement of the impeller front end that produces of can preventing from resonating
The 3rd, make by the faying face formation at the aforementioned auxiliary steel plate that connects the bottom vibration-proof rubber Aforementioned bottom vibration-proof rubber can prevent the initial of motor and impeller to the side-prominent protuberance of aforementioned motor one Sagging, thus vibration displacement and the noise of impeller front end can be reduced.
The 4th, form buckling in the back on casing top, there is the extensional vibration displacement that makes casing to advance The effect that one step reduced.

Claims (9)

1, a kind of electric motor mounting structure for air conditioner, described air-conditioning comprises: casing, the auxiliary steel plate that install later, that the intensity of described casing carried out reinforcement of described box house, rotating shaft is vertically mounted on the motor on the described auxiliary steel plate, be connected the impeller on the axle of described motor, be contained between described auxiliary steel plate and the described motor, at the top vibration-proof rubber on the rotating shaft top of described motor and be contained in the bottom vibration-proof rubber of the rotating shaft bottom of described motor; It is characterized in that compare with the link slot of the described top vibration-proof rubber of fastening described motor, the link slot of described bottom vibration-proof rubber is farther from described auxiliary steel plate.
2, electric motor mounting structure for air conditioner as claimed in claim 1 is characterized in that, compares with described top vibration-proof rubber, and described bottom vibration-proof rubber is longer.
3, electric motor mounting structure for air conditioner as claimed in claim 2 is characterized in that, compares with the rigidity of described top vibration-proof rubber, and the rigidity of described bottom vibration-proof rubber is big.
4, a kind of electric motor mounting structure for air conditioner, described air-conditioning comprises: casing, the auxiliary steel plate that install later, that the intensity of described casing carried out reinforcement of described box house, rotating shaft is vertically mounted on the motor on the described auxiliary steel plate, be connected the impeller on the axle of described motor, be contained between described auxiliary steel plate and the described motor, at the top vibration-proof rubber on the rotating shaft top of described motor and be contained in the bottom vibration-proof rubber of the rotating shaft bottom of described motor; It is characterized in that compare with the rigidity of described top vibration-proof rubber, the rigidity of described bottom vibration-proof rubber is big.
5, a kind of electric motor mounting structure for air conditioner, described air-conditioning comprises: casing, the auxiliary steel plate that install later, that the intensity of described casing carried out reinforcement of described box house, rotating shaft is vertically mounted on the motor on the described auxiliary steel plate, be connected the impeller on the axle of described motor, be contained between described auxiliary steel plate and the described motor, at the top vibration-proof rubber on the rotating shaft top of described motor and be contained in the bottom vibration-proof rubber of the rotating shaft bottom of described motor; It is characterized in that, on the faying face of the described auxiliary steel plate that is connected with described bottom vibration-proof rubber, be formed with the protuberance that described bottom vibration-proof rubber is given prominence to described motor shaft.
6, as each described electric motor mounting structure for air conditioner of claim 1 to 5, it is characterized in that, form buckling in the back on described casing top.
7, electric motor mounting structure for air conditioner as claimed in claim 6 is characterized in that, described bending polygonal shape at certain intervals constitutes.
8, electric motor mounting structure for air conditioner as claimed in claim 6 is characterized in that, described bending garden shape shape at certain intervals constitutes.
9, as each described electric motor mounting structure for air conditioner of claim 1 to 5, it is characterized in that, the accessory that is formed with buckling is installed in the back on described casing top.
CNB011121440A 2000-06-10 2001-03-29 Electric motor mounting structure for air conditioner Expired - Fee Related CN1143996C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2000-0031958A KR100370017B1 (en) 2000-06-10 2000-06-10 set structure of motor in air condition
KR31958/2000 2000-06-10

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CNB2004100041582A Division CN100394119C (en) 2000-06-10 2001-03-29 Motor mounting structure of air conditioner

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CN1329230A true CN1329230A (en) 2002-01-02
CN1143996C CN1143996C (en) 2004-03-31

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CN100334404C (en) * 2003-05-30 2007-08-29 乐金电子(天津)电器有限公司 Electric motor frame of air conditioner outdoor apparatus
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CN106338139A (en) * 2016-10-31 2017-01-18 佛山市顺德区美的电子科技有限公司 Mobile Air Conditioner and Its Installation Method
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CN1521466A (en) 2004-08-18
CN100394119C (en) 2008-06-11
CN1143996C (en) 2004-03-31

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