CN206490541U - The cooling denoising structure of threephase asynchronous machine - Google Patents
The cooling denoising structure of threephase asynchronous machine Download PDFInfo
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- CN206490541U CN206490541U CN201720201056.2U CN201720201056U CN206490541U CN 206490541 U CN206490541 U CN 206490541U CN 201720201056 U CN201720201056 U CN 201720201056U CN 206490541 U CN206490541 U CN 206490541U
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- cooling
- shell body
- threephase asynchronous
- asynchronous machine
- denoising structure
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Abstract
The utility model provides a kind of cooling denoising structure of threephase asynchronous machine, belongs to technical field of motors.The cooling denoising structure of this threephase asynchronous machine, threephase asynchronous machine includes housing, housing is made up of shell body, left end cap and right end cap, stator is provided with shell body, rotor is penetrated in stator, there is drive shaft on rotor, it is characterized in that, this cooling denoising structure is by for motor reduce the cooling structure of surface temperature and being constituted for the denoising structure for motor reduce noise, cooling structure includes being arranged on the mounting base below shell body, and mounting base is provided with the cooling box that can be cooled to shell body；Denoising structure includes wire netting and Sound-proof material, and shell body includes inner wall layer, outer wall layer and hollow layer, and wire netting is arranged in hollow layer, and Sound-proof material is arranged on the both sides of wire netting.The utility model has the advantages that motor can be carried out reduction temperature and reduction noise.
Description
Technical field
The utility model belongs to technical field of motors, is related to a kind of threephase asynchronous machine, particularly a kind of phase asynchronous electricity
The cooling denoising structure of machine.
Background technology
Motor refers to a kind of calutron that electric energy conversion or transmission are realized according to the law of electromagnetic induction, and motor can be divided into electricity
Motivation and the major class of generator two.Motor represents that its main function is to produce driving torque with letter M in circuit, as
Electrical appliance or various mechanical power sources.Generator represents that its main function is to utilize electric energy conversion with letter G in circuit
For mechanical energy.
Threephase asynchronous machine is by while the class for accessing 380V three-phase alternating-current supplies (120 degree of phase difference) power supply is electronic
, because rotor and stator the rotating excitation field rotating speed in the same direction, different of threephase asynchronous machine are into rotation, there is slip in machine
Rate, so being threephase asynchronous machine.Threephase asynchronous machine is induction machine, and stator is passed through after electric current, and part magnetic flux passes through short
Lu Huan, and induced-current is produced wherein.Electric current in short-circuited conducting sleeve hinders the change of magnetic flux, has caused short-circuit loop section and has not had
The magnetic flux that short-circuit loop section is produced has phase difference, so as to form rotating excitation field.It is powered after starting, rotor windings are because between magnetic field
There is relative motion and induced electromotive force and electric current, i.e. rotating excitation field and rotor have a relative rotation speed, and with magnetic field phase interaction
With electromagnetic torque is produced, rotor is turned over, energy conversion is realized.
In the prior art, there is many deficiencies in threephase asynchronous machine, such as：1st, electric machine casing easily heating causes it to reduce
Service life；2nd, noise when motor works is very big, and the noise pollution produced to surrounding environment is obvious.
The above-mentioned deficiency due to existing, those skilled in the art make improvements, through retrieval, such as Chinese patent text
Offer and disclose a kind of electric motor temperature reduction device【The patent No.：ZL201310558038.6；Authorization Notice No.：CN 104638832A】.This
Plant and be provided with cooling box, the cooling box outside electric motor temperature reduction device, including motor body storehouse and fan, the motor body storehouse
Including bottom plate, top plate and side plate, it was provided with the bottom plate on dust-filtering plate, the top plate and is provided with thermovent, the cooling
Case interior bottom portion is additionally provided with electric machine support, and the electric machine support links together motor body storehouse and bottom plate, the cooling
Case interior bottom portion is provided with cooling fan, and the cooling fan is several to be arranged on the outside of cooling box bottom, the motor body storehouse
Fan governor is provided with, the several in parallel and fan governors of the cooling fan link together.
Through retrieval, such as Chinese patent literature also discloses a kind of noise reduction structure of motor【The patent No.：ZL
201610648626.2；Authorization Notice No.：CN 106073631 A】.This noise reduction structure of motor, including provided with air inlet and go out
The motor cover of the accommodating motor in air port, the motor cover inner chamber body includes movable vane wheel successively by the air inlet to the air outlet
Chamber and silencing cavity, the movable vane wheel intracavitary is provided with movable impeller component, the silencing cavity to disappear provided with the first noise elimination part and/or second
Line, first noise elimination part includes oblique grid, the oblique grid include oblique panel and two neighboring oblique panel it
Between the narrow air channel that is formed, the minimum widith in the narrow air channel is not more than 3mm；Second noise elimination part includes being arranged on the air-out
The Process of mouth.
But, above-mentioned two patent documents after improvement, for heat sink, only simply from the bottom pair of motor
It carries out fan for cooling, and its effect is not fine；For noise reducing mechanism, its structure is relatively complicated, hence it is evident that add motor
Production cost, is unfavorable for the production in enormous quantities of motor.
So, the deficiency in above-mentioned motor is faced, for those skilled in the art, is need to of the prior art
The temperature reduction structure and noise reducing structure of threephase asynchronous machine are improved, and can not only make threephase asynchronous machine work shape
The heat produced under state is rapidly spread, while the noise produced under electric machine operation state can also be substantially reduced, so that
Improve the service life of threephase asynchronous machine.
The content of the invention
The purpose of this utility model is there is above mentioned problem for existing technology, it is proposed that a kind of threephase asynchronous machine
Cool denoising structure, and technical problem to be solved in the utility model is how threephase asynchronous machine cool while and energy
It is enough that noise reduction is carried out to it.
The purpose of this utility model can be realized by following technical proposal：The cooling denoising structure of threephase asynchronous machine,
Described threephase asynchronous machine includes housing, and housing is by shell body and the left end cap and right end cap group that are fixed on shell body two ends
Into, be provided with shell body in stator, stator and penetrate rotor, on rotor have drive shaft, it is characterised in that this cooling noise reduction knot
Structure is by for motor reduce the cooling structure of surface temperature and for carrying out reducing the denoising structure structure of noise to motor
Into described cooling structure includes being arranged on the mounting base below shell body, and described mounting base is provided with can be to shell
The cooling box that body is cooled, the cooling box includes two blocks of side plates, two end plates and the setting being fixed on mounting base
Some fresh air inlets are provided with top plate on side plate and end plate top, the shell body, are done if being offered on described top plate
Electric machine support is further fixed on air holes, the mounting base, described shell body is connected on electric machine support, on described end plate
It is removably fixed with some cooling fans one, described mounting base and is removably fixed with some cooling fans two；Described
Denoising structure includes wire netting and Sound-proof material, and described shell body includes inner wall layer, outer wall layer and is arranged on inner wall layer and outer wall
Hollow layer between layer, described wire netting is arranged in hollow layer, and wire netting is cylindrical in shape, and described Sound-proof material is arranged on metal
The both sides of net, described Sound-proof material be fixed on by embedded mode between wire netting and inner wall layer and wire netting and outer wall layer it
Between.
The cooling denoising structure of this threephase asynchronous machine, by the way that shell body is set in inner wall layer, outer wall layer and hollow layer,
And wire netting and Sound-proof material are added in hollow layer, it is possible to the soundproof effect of electric machine casing is improved, so as to reduce rotor and fixed
The noise that son is sent from inside.Cold wind is sent into by motor internal, and drop by fresh air inlet from the sidepiece of motor by cooling fan one
Cold wind is sent into motor internal by warm air fan two from the bottom of motor by fresh air inlet, so as to reduce rotor and stator running institute for a long time
The heat of generation.The cooling denoising structure of this threephase asynchronous machine, by carrying out reduction temperature and reduction noise simultaneously to it, from
And it is possessed the characteristics of service life is long.
In the cooling denoising structure of above-mentioned threephase asynchronous machine, some bar shaped teeth are offered in described inner wall layer
Line, described bar shaped groove is along shell inner body wall annular spread.Bar shaped groove can increase the surface area of shell body, so that more
Be conducive to radiating.
In the cooling denoising structure of above-mentioned threephase asynchronous machine, some T-shaped radiatings are provided with described outer wall layer
Piece, described T-shaped fin is uniformly distributed along shell body outer wall.T-shaped fin can increase the surface area of shell body, so that
It is more beneficial for radiating.
In the cooling denoising structure of above-mentioned threephase asynchronous machine, some mounting grooves one are offered on described side plate,
Described cooling fan one is fixed in mounting groove one by vertical fan mounting seat.
In the cooling denoising structure of above-mentioned threephase asynchronous machine, some mounting grooves are offered on described mounting base
Two, described cooling fan two is fixed in mounting groove one by horizontal fans mounting seat.
In the cooling denoising structure of above-mentioned threephase asynchronous machine, also set up between described mounting base and shell body
There is filter.Filter can filter the cold wind blowed by cooling fan two into shell body.
In the cooling denoising structure of above-mentioned threephase asynchronous machine, described side plate is imperforate plate.
Compared with prior art, the utility model has advantages below：
1st, the sound insulation that the utility model can improve electric machine casing by the wire netting and Sound-proof material that are set in shell body is imitated
Really, so as to reduce the noise that rotor and stator are sent from inside.
2nd, the utility model be able to can be incited somebody to action by cooling fan one and cooling fan two by the fresh air inlet on shell body
Cold wind is blown into the shell body of motor, so as to reduce the heat of rotor and stator for a long time produced by running.
Brief description of the drawings
Fig. 1 is of the present utility model to face cross section structure diagram.
Fig. 2 is diagrammatic side-view cross-sectional structural representation of the present utility model.
Fig. 3 is the structural representation of shell body in the utility model.
In figure, 1, housing；1a, shell body；1b, left end cap；1c, right end cap；1a1, inner wall layer；1a2, outer wall layer；1a3、
Wire netting；1a4, Sound-proof material；2nd, stator；3rd, rotor；4th, drive shaft；5th, mounting disc one；6th, mounting disc two；7th, infrared receiver
Device；8th, RF transmitter；9th, grating disc；10th, infrared unthreaded hole；11st, mounting base；12nd, cooling box；13rd, electric machine support；14、
Cooling fan one；15th, cooling fan two；16th, bar shaped groove；17th, T-shaped fin；18th, filter.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, a kind of threephase asynchronous machine, including housing 1, described housing 1 by tubular shell body 1a and
It is fixed in left end cap 1b and right end cap the 1c composition at shell body 1a two ends, described shell body 1a and is provided with stator 2, it is described
Being penetrated in stator 2 has drive shaft 4 on rotor 3, described rotor 3, one end of drive shaft 4 passes right end cap 1c formation drivings
End, the other end of drive shaft 4 is provided with the survey rotation mechanism for being capable of the rotating speed of canonical measure drive shaft 4.
Specifically, surveying rotation mechanism includes the mounting disc 1 being installed in drive shaft 4 and the peace being fixed on left end cap 1b
Sabot 26, mounting disc 1 is provided with infrared receiver 7, and infrared receiver 7 is fixed on mounting disc one by mounting seat one
On, and mounting seat one being radially moved in mounting disc 1, mounting disc 26 be provided with RF transmitter 8, outside
Line transmitter 8 is fixed in mounting disc two by mounting seat two, and mounting seat two being capable of radially moving in mounting disc 25
It is dynamic, a grating disc 9 is provided between mounting disc 1 and mounting disc 26, grating disc 9 is fixed on left end cap 1b, opened on grating disc 9
Provided with three infrared unthreaded hole 10, the spacing between the center of circle of first infrared unthreaded hole, 10 distance grating disk 9 is 12cm, second infrared
Spacing between the center of circle of 10 distance grating disk of unthreaded hole 9 be between 15cm, the 3rd infrared center of circle of 10 distance grating disk of unthreaded hole 9 between
Away from living apart for 18cm, RF transmitter 8 and infrared receiver 7 in the both sides of grating disc 9, and infrared receiver 7 can
Pass through swashing that the infrared energy receiving infrared-ray of unthreaded hole 10 transmitter 8 is sent when following the rotation of mounting disc 1 and turning to predetermined angle
Light beam, infrared receiver 7 connects a single-chip microcomputer, and single-chip microcomputer connects a digital display tube.
Specifically, mounting disc 1 is integrally fixed in drive shaft 4, when 4 normal rotation of drive shaft, mounting disc 1 with
The normal rotation of drive shaft 4, so that infrared receiver 7 is also with the normal rotation of drive shaft 4, and mounting disc 26 is integrally fixed at
On left end cap 1b, left end cap 1b is static, and mounting disc 26 is static, so that RF transmitter 8 is static, grating disc 9 is integrally fixed at
On left end cap 1b, grating disc 9 is also in inactive state, red when proceeding to a predetermined angle due to infrared receiver 7
Outside line transmitter 8, infrared receiver 7 and the three of infrared unthreaded hole 10 can be conllinear, from swashing that RF transmitter 8 is emitted
Light beam may pass through infrared unthreaded hole 10, after the infrared receiver 7 in mounting disc 1, which completes a circle, to be rotated, can receive once
The information sent by RF transmitter 8, and numerical value is shown in digital display tube by single-chip microcomputer, the numerical value is that motor turns
The analog value of speed.
The cooling denoising structure of a kind of threephase asynchronous machine, by for carrying out reducing the cooling structure of surface temperature to motor
Constituted with the denoising structure for motor reduce noise.
As shown in figure 1, cooling structure includes being arranged on the mounting base 11 below shell body 1a, mounting base 11 is provided with
The cooling box 12 that housing 1 can be surrounded, the cooling box 12 includes being fixed on two blocks of side plates on mounting base 11, two pieces of ends
Plate and the top plate for being arranged on side plate and end plate top, side plate is imperforate plate, and some fresh air inlets, institute are provided with the shell body 1a
Offered on the top plate stated and electric machine support 13 is further fixed on some exhaust vents, the mounting base 11, described shell body 1a
It is connected on electric machine support 13.In the present embodiment, offered on end plate in some mounting grooves one, mounting groove one and pass through vertical wind
Fan mounting seat, which is removably fixed with some cooling fans 1, mounting base 11, offers some mounting grooves two, mounting groove two
In some cooling fans 2 15 are removably fixed with by horizontal fans mounting seat.Also set between mounting base 11 and shell body 1a
It is equipped with filter 18.Filter 18 can be filtered to be blowed into the cold wind in shell body 1a by cooling fan 2 15.
The cooling denoising structure of this threephase asynchronous machine, by cooling fan 1 from the sidepiece of motor by cold wind by radiating
Motor internal is sent into hole, and cold wind is sent into motor internal by cooling fan 2 15 from the bottom of motor by heat emission hole, so as to reduce
Rotor 3 and stator 2 operate produced heat for a long time.
As shown in Figures 2 and 3, denoising structure include wire netting 1a3 and Sound-proof material 1a4, shell body 1a include inner wall layer 1a1,
Outer wall layer 1a2 and the hollow layer being arranged between inner wall layer 1a1 and outer wall layer 1a2, described wire netting 1a3 are arranged on hollow layer
In, in a ring, described Sound-proof material 1a4 is arranged on wire netting 1a3 both sides to wire netting 1a3, and described Sound-proof material 1a4 passes through embedding
The mode entered is fixed between wire netting 1a3 and inner wall layer 1a1 between wire netting 1a3 and outer wall layer 1a2.In the present embodiment
In, offer some bar shaped grooves 16 on inner wall layer 1a1, bar shaped groove 16 is along shell body 1a inwall annular spreads, bar shaped tooth
Line 16 can increase shell body 1a surface area, so as to be more beneficial for radiating.Some T-shaped fin are provided with outer wall layer 1a2
17, T-shaped fin 17 is uniformly distributed along shell body 1a outer walls, and T-shaped fin 17 can increase shell body 1a surface area, from
And it is more beneficial for radiating.
The cooling denoising structure of this threephase asynchronous machine, is in inner wall layer 1a1, outer wall layer 1a2 by the way that shell body 1a is set
And hollow layer, and add in hollow layer wire netting 1a3 and Sound-proof material 1a4, it is possible to the soundproof effect of electric machine casing 1 is improved,
So as to reduce the noise that rotor 3 and stator 2 are sent from inside.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used 1, housing herein；1a, shell body；1b, left end cap；1c, right end cap；1a1, inner wall layer；
1a2, outer wall layer；1a3, wire netting；1a4, Sound-proof material；2nd, stator；3rd, rotor；4th, drive shaft；5th, mounting disc one；6th, mounting disc
Two；7th, infrared receiver；8th, RF transmitter；9th, grating disc；10th, infrared unthreaded hole；11st, mounting base；12nd, cooling box；
13rd, electric machine support；14th, cooling fan one；15th, cooling fan two；16th, bar shaped groove；17th, T-shaped fin；18th, filter etc.
Term, but it is not precluded from the possibility using other terms.It is used for the purpose of more easily describing and explaining using these terms
Essence of the present utility model；Any additional limitation is construed as all to disagree with the utility model spirit.
Claims (7)
1. the cooling denoising structure of threephase asynchronous machine, described threephase asynchronous machine includes housing, housing is by shell body and admittedly
It is scheduled on to be provided with stator, stator in the left end cap and right end cap composition at shell body two ends, shell body and penetrates rotor, has on rotor
There is drive shaft, it is characterised in that this cooling denoising structure is by the cooling structure and use for motor reduce surface temperature
Constituted in the denoising structure for motor reduce noise, described cooling structure includes being arranged on the installation bottom below shell body
Plate, described mounting base is provided with the cooling box that can be cooled to shell body, and the cooling box includes being fixed on installation
It is provided with two pieces of side plates, two end plates on bottom plate and the top plate for being arranged on side plate and end plate top, the shell body some
Offered on fresh air inlet, described top plate and electric machine support is further fixed on some exhaust vents, the mounting base, described shell sheet
Body is connected on electric machine support, and being removably fixed with described end plate can on some cooling fans one, described mounting base
Dismounting is fixed with some cooling fans two；Described denoising structure includes wire netting and Sound-proof material, and described shell body includes interior
Parietal layer, outer wall layer and the hollow layer being arranged between inner wall layer and outer wall layer, described wire netting are arranged in hollow layer, metal
Net is cylindrical in shape, and described Sound-proof material is arranged on the both sides of wire netting, and described Sound-proof material is fixed on metal by embedded mode
Between net and inner wall layer between wire netting and outer wall layer.
2. the cooling denoising structure of threephase asynchronous machine according to claim 1, it is characterised in that in described inner wall layer
Offer some bar shaped grooves, described bar shaped groove is along shell inner body wall annular spread.
3. the cooling denoising structure of threephase asynchronous machine according to claim 2, it is characterised in that on described outer wall layer
Some T-shaped fin are provided with, described T-shaped fin is uniformly distributed along shell body outer wall.
4. the cooling denoising structure of threephase asynchronous machine according to claim 3, it is characterised in that opened on described end plate
Provided with some mounting grooves one, described cooling fan one is fixed in mounting groove one by vertical fan mounting seat.
5. the cooling denoising structure of threephase asynchronous machine according to claim 4, it is characterised in that described mounting base
On offer some mounting grooves two, described cooling fan two is fixed in mounting groove one by horizontal fans mounting seat.
6. the cooling denoising structure of threephase asynchronous machine according to claim 5, it is characterised in that described mounting base
Filter is additionally provided between shell body.
7. the cooling denoising structure of threephase asynchronous machine according to claim 6, it is characterised in that described side plate is nothing
Orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720201056.2U CN206490541U (en) | 2017-03-03 | 2017-03-03 | The cooling denoising structure of threephase asynchronous machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720201056.2U CN206490541U (en) | 2017-03-03 | 2017-03-03 | The cooling denoising structure of threephase asynchronous machine |
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| Publication Number | Publication Date |
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| CN206490541U true CN206490541U (en) | 2017-09-12 |
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ID=59763198
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720201056.2U Active CN206490541U (en) | 2017-03-03 | 2017-03-03 | The cooling denoising structure of threephase asynchronous machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787444A (en) * | 2017-03-03 | 2017-05-31 | 浙江永发机电有限公司 | The cooling denoising structure of threephase asynchronous machine |
| CN108611720A (en) * | 2018-06-21 | 2018-10-02 | 浙江宇昌纺织科技有限公司 | A kind of spindle device of silk covering machine |
-
2017
- 2017-03-03 CN CN201720201056.2U patent/CN206490541U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787444A (en) * | 2017-03-03 | 2017-05-31 | 浙江永发机电有限公司 | The cooling denoising structure of threephase asynchronous machine |
| CN108611720A (en) * | 2018-06-21 | 2018-10-02 | 浙江宇昌纺织科技有限公司 | A kind of spindle device of silk covering machine |
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