CN108155755A - A kind of variable-frequency motor with cooling mechanism - Google Patents
A kind of variable-frequency motor with cooling mechanism Download PDFInfo
- Publication number
- CN108155755A CN108155755A CN201810124865.7A CN201810124865A CN108155755A CN 108155755 A CN108155755 A CN 108155755A CN 201810124865 A CN201810124865 A CN 201810124865A CN 108155755 A CN108155755 A CN 108155755A
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- China
- Prior art keywords
- motor
- auxiliary
- fan
- fan housing
- variable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention belongs to electrical equipment technical fields, more particularly to a kind of variable-frequency motor with cooling mechanism, including main motor, the fan housing being fixedly connected, setting wind turbine in the fan housing, the wind turbine includes auxiliary-motor and fan, the output shaft of auxiliary-motor is coaxially fixed with fan, and the fan housing is connected with the end cap of main motor, and transition bracket is set between the main motor and auxiliary-motor.The present invention solves the problems such as vibration generated due to fan rotates, noise, effect is highly desirable by setting transition bracket.
Description
Technical field
The invention belongs to electrical equipment technical field more particularly to a kind of variable-frequency motors with cooling mechanism.
Background technology
Motor is the electrical equipment for converting electrical energy into mechanical energy, but in use, the temperature of motor can increase,
Its reason has following several：
First, coil has resistance, and electric current flows through loss power；
2nd, the magnetic field of iron core has " hysteresis loop ", electric energy transformation magnetic energy some continue to be changed into thermal energy；
3rd, iron core, which also has, is vortexed, the magnetic energy of electric energy transformation some become electric current again and become thermal energy in turn；
4th, have friction between mechanical component, the kinetic energy of electric energy transformation some continue to be changed into thermal energy；
The long-term fever of motor can impact the service life of winding coil covering, once coil short can cause motor to lose
The problem of effect, so being commonly provided with heat sink on motor, is known as forced air device in industry.It is well known that conventional
Forced air device is mounted in the non-output shaft end auxiliary-motor of main motor and fan, installs fan housing around fan, auxiliary-motor leads to
Electricity drives fan rotation, realizes and gives main motor aeration-cooling purpose.Forced air device is mounted on fan housing, and fan housing is fan
Flabellum protection is provided, one end of fan housing is on the engine base lug of motor.Due to fan housing category thin-wall part, when auxiliary-motor rotates band
During dynamic fan rotation, thin-wall part vibration not only can generate noise but also can cause the vibration of main motor, how to inhibit fan housing
Vibration is the direction of people in the industry's long-term endeavour.
The patent document of Authorization Notice No. CN205960870U discloses a kind of low vibrations micromachine, including engine base, engine base
Bottom be provided with beam, be provided with outer cage at the top of engine base, the side of outer cage is provided with shakeproof layer, the one of shakeproof layer
Side is provided with inner casing, and rubber shock-absorbing layer is provided on the inside of shakeproof layer, damping shock absorption layer is provided on the inside of rubber shock-absorbing layer,
Inner casing is internally provided with anti-rattler, and outer snap ring is provided on the inside of anti-rattler, and the side of outer snap ring is provided with spring, spring
Side be provided with interior snap ring, the upper end of engine base is provided with fan housing, and fan housing is internally provided with fan, and the side of fan is provided with
Bearing cover afterwards, the side of rear bearing cover are provided with rear bearing, and the side of rear bearing is provided with rear internal bearing cover, axle stretch end end
The side of lid is provided with fore bearing outer cover, and fore bearing is provided on the inside of axle stretch end end cap, and the side of fore bearing is provided with front axle
Inner cover is held, it is effective to reduce equipment generated noise in work is run.The structure makes improvement in itself in motor, from inside and outside
The vibration problem of whole device is weakened, but the structure for being not directed to fan housing vibration is improved, and can not thoroughly solve to shake
Dynamic problem.
The patent document of Authorization Notice No. CN205349871U discloses a kind of noise-reduction type air-introduced machine, including rack, in rack
Shaft is rotatably connected to, shaft one end is fixed with impeller, cover body is equipped on the outside of impeller, and cover body is equipped with air inlet and air outlet,
Cover body both sides are additionally provided with the bracing piece for reducing cover body vibrations, and the axial connection of connection fan housing both ends of the surface is additionally provided with inside fan housing
Bar, the radial distance of connecting rod to flabellum side are equal with the distance of connecting rod to cover body inner wall.The structure is entered from cover body
Hand increases axis connecting rod, certainly will although solving the problems, such as the periodically-varied of vibration, wind direction and wind pressure in form
Different degrees of extruding can be caused to fan housing, and then generates vibration and noise.
Invention content
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of variable-frequency electrics with cooling mechanism
Machine by setting transition bracket, solves the defects of vibration generated due to fan rotates, noise, effect is highly desirable.
In order to achieve the above objectives, the present invention uses following technical scheme：
Including main motor, the fan housing being fixedly connected, wind turbine, institute are set in the fan housing for a kind of variable-frequency motor with cooling mechanism
It states wind turbine and includes auxiliary-motor and fan, the output shaft of auxiliary-motor is coaxially fixed with fan, the end cap phase of the fan housing and main motor
Connection, transition bracket is set between the main motor and auxiliary-motor.
Further, the transition bracket includes multiple tilting bars and a fixed seat, one end of multiple tilting bars are uniform
It is arranged in fixed seat, the other end of the tilting bar is fixedly connected with the end cap of main motor, and the fixed seat is consolidated with auxiliary-motor
Fixed connection.
Further, the outer surface of the auxiliary-motor sets multiple heat sinks.
Further, the fan housing sets air outlet in one end of the end cap close to main motor, and the fan housing is close to wind
One end setting air inlet of fan.
Further, the air inlet is arc.
Further, location hole on the tilting bar is set, bracing piece is set between adjacent inclined bar.
Further, notch is set on the bracing piece.
The beneficial effects of the invention are as follows：
1. it is typically that the vibration damping of fan structure, main motor is improved in the prior art, to reduce wind pressure caused by fan housing
Vibration problem, the application change conventional thinking, by designing a transition bracket, auxiliary-motor between main motor and auxiliary-motor
One end dress fan drive fan rotation, the other end of auxiliary-motor is mounted on bolt on transition bracket, the transition bracket other end
It is connected on the end cap of main motor with bolt, the wind that fan generates cools down for the end cap and casing of main motor, fan and pair electricity
Machine is included in fan housing.Total is compact and rotating part is using rigid attachment, and steady application solutions are divulged information to main motor
The purpose of cooling；Additionally, due to control circuit is equipped on auxiliary-motor, belong to irregular structure, it is secondary in fan rotation process
For the stress of driving motor there are unbalanced problem, the present invention to disperse the vibration that auxiliary-motor generates to main drive by transition bracket
Dynamic motor is unloaded, and the stability of the auxiliary-motor course of work has been effectively ensured.
2. transition bracket includes multiple tilting bars and a fixed seat, one end of multiple tilting bars are evenly provided on fixation
On seat, the other end of tilting bar is fixedly connected with the end cap of main motor, and fixed seat is fixedly connected with auxiliary-motor, transition in the application
The structure design of stent can not only provide stable support, but also in fan work process for the main motor of irregular shape
In, the direction flowed with air in fan housing is mutually parallel, and has the advantages that the problem of windage is small, so as to which fan housing be prevented to vibrate.
3. in actual use, the rotating speed of auxiliary-motor is higher, itself can also generate heat, although there is air stream in fan housing
It is dynamic to cool down to auxiliary-motor, but have little effect, the application sets multiple heat sinks in the outer surface of auxiliary-motor, can prevent pair
The problem of motor temperature is excessively high.
4. fan housing sets air outlet in one end of the end cap close to main motor, fan housing is setting outlet air close to one end of fan
Mouthful, air outlet is arcuate structure, and the structure design of arc air inlet is conducive to provide smoothly exhaust effect, and reduction was entered the wind
Windage in journey.
5. setting location hole on tilting bar, bracing piece is set, this structure design effectively improves transition between adjacent inclined bar
The structural strength of stent.
6. in order to mitigate the weight of bracing piece, notch is set on bracing piece.
Description of the drawings
Fig. 1 is the structure diagram of embodiment one；
Fig. 2 is the structure diagram of two fan housing of embodiment；
Fig. 3 is the structure diagram of embodiment three.
Figure label：1- main motors, 2- fan housings, 3- auxiliary-motors, 4- fans, 5- tilting bars, 6- fixed seats, 7- heat sinks,
8- air outlets, 9- air inlets, 10- bracing pieces, 11- notches.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment one
As shown in Figure 1, the present invention includes the main motor 1, the fan housing 2 that are fixedly connected, wind turbine, the wind turbine are set in the fan housing 2
Including auxiliary-motor 3 and fan 4, the output shaft and fan 4 of auxiliary-motor 3 are coaxial fixed, the end cap phase of the fan housing 2 and main motor 1
Connection sets transition bracket between the main motor 1 and auxiliary-motor 3, the transition bracket includes multiple tilting bars 5 and one solid
Reservation 6, one end of multiple tilting bars 5 are uniformly arranged in fixed seat 6, the other end of the tilting bar 5 and the end of main motor 1
Lid is fixedly connected, and the fixed seat 6 is fixedly connected with auxiliary-motor 3, and the outer surface of the auxiliary-motor 3 sets multiple heat sinks 7.
It is typically that the vibration damping of fan structure, main motor is improved in the prior art, fan housing is caused to reduce wind pressure
Vibration problem, the application changes conventional thinking, by adding an auxiliary-motor, and designed between main motor and auxiliary-motor
One transition bracket, one end dress fan of auxiliary-motor drive fan rotation, and the other end is mounted on bolt on transition bracket, transition
The stent other end is connected in bolt on the end cap of main motor, and fan is included in auxiliary-motor in fan housing.Total is compact and turns
Using rigid attachment, steady application solutions give main motor aeration-cooling purpose for dynamic part；Transition bracket includes multiple inclinations
Bar and a fixed seat, one end of multiple tilting bars are uniformly arranged in fixed seat, the other end of tilting bar and main motor
End cap is fixedly connected, and fixed seat is fixedly connected with auxiliary-motor, the structure design of transition bracket in the application, can be not only not advise
Then the main motor of shape provides stable support, and during fan work, and the direction flowed with air in fan housing is mutual
It is parallel, there is the problem of windage is small, so as to which fan housing be prevented to vibrate.
Due to auxiliary-motor, residing environment has been surrounded by hot-air in itself, although being free flow of air in fan housing to auxiliary-motor
Cool down, but have little effect, the application sets multiple heat sinks in the outer surface of auxiliary-motor, can prevent auxiliary-motor temperature mistake
The problem of high.
Embodiment two
With reference to shown in Fig. 1 and Fig. 2, the present invention includes the main motor 1, the fan housing 2 that are fixedly connected, and wind turbine, institute are set in the fan housing 2
It states wind turbine and includes auxiliary-motor 3 and fan 4, the output shaft and fan 4 of auxiliary-motor 3 are coaxial fixed, the fan housing 2 and main motor 1
End cap is connected, and transition bracket is set between the main motor 1 and auxiliary-motor 3, and the transition bracket includes multiple 5 Hes of tilting bar
One fixed seat 6, one end of multiple tilting bars 5 are uniformly arranged in fixed seat 6, the other end and the main electricity of the tilting bar 5
The end cap of machine 1 is fixedly connected, and the fixed seat 6 is fixedly connected with auxiliary-motor 3, and the outer surface setting of the auxiliary-motor 3 is multiple to be dissipated
Hot plate 7, the fan housing 2 open up air outlet 8 close to one end of the end cap of main motor, and the fan housing 2 is opened up close to one end of fan
Air inlet 9, the air inlet 9 are multiple arcs structure.
Fan housing sets air inlet, the other end setting air outlet of fan housing close to one end of the end cap of main motor, and air outlet is
Arcuate structure, the structure design of arc air outlet are conducive to provide smoothly exhaust effect, reduce windage, the rotating speed of auxiliary-motor
Higher, itself can also generate heat, although there is free flow of air to cool down auxiliary-motor in fan housing, have little effect, this Shen
Multiple heat sinks please are set in the outer surface of auxiliary-motor, the problem of auxiliary-motor temperature is excessively high can be prevented.
Embodiment three
With reference to shown in Fig. 2, Fig. 3, the present invention includes the main motor 1, the fan housing 2 that are fixedly connected, and wind turbine, institute are set in the fan housing 2
It states wind turbine and includes auxiliary-motor 3 and fan 4, the output shaft and fan 4 of auxiliary-motor 3 are coaxial fixed, the fan housing 2 and main motor 1
End cap is connected, and transition bracket is set between the main motor 1 and auxiliary-motor 3, and the transition bracket includes multiple 5 Hes of tilting bar
One fixed seat 6, one end of multiple tilting bars 5 are uniformly arranged in fixed seat 6, the other end and the main electricity of the tilting bar 5
The end cap of machine 1 is fixedly connected, and the fixed seat 6 is fixedly connected with auxiliary-motor 3, and the outer surface setting of the auxiliary-motor 3 is multiple to be dissipated
Hot plate 7, the fan housing 2 set air inlet 8, the other end setting air outlet of the fan housing 2 close to one end of the end cap of main motor
9, the air outlet 9 is multiple arcs structure, sets location hole on the tilting bar 5, bracing piece is set between adjacent inclined bar 5
10, notch 11 is set on the bracing piece 10.
Location hole on tilting bar is set, bracing piece is set between adjacent inclined bar, this structure design effectively improves transition branch
The structural strength of frame in order to mitigate the weight of bracing piece, sets notch on bracing piece.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this field is common
Other modifications or equivalent replacement that technical staff makes technical scheme of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (5)
1. including main motor, the fan housing being fixedly connected, wind turbine is set in the fan housing for a kind of variable-frequency motor with cooling mechanism,
The wind turbine includes auxiliary-motor and fan, and the output shaft of auxiliary-motor is coaxially fixed with fan, it is characterised in that：The fan housing and master
The end cap of motor is connected, and transition bracket is set between the main motor and auxiliary-motor.
2. a kind of variable-frequency motor with cooling mechanism according to claim 1, it is characterised in that：The transition bracket includes
Multiple tilting bars and a fixed seat, one end of multiple tilting bars are uniformly arranged in fixed seat, the other end of the tilting bar
It is fixedly connected with the end cap of main motor, the fixed seat is fixedly connected with auxiliary-motor.
3. a kind of variable-frequency motor with cooling mechanism according to claim 1, it is characterised in that：The appearance of the auxiliary-motor
Face sets multiple heat sinks.
4. a kind of variable-frequency motor with cooling mechanism according to claim 1, it is characterised in that：The fan housing is close to main
One end setting air outlet of the end cap of motor, the fan housing are setting air inlet close to one end of fan.
5. a kind of variable-frequency motor with cooling mechanism according to claim 4, it is characterised in that：The air inlet is arc
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124865.7A CN108155755A (en) | 2018-02-07 | 2018-02-07 | A kind of variable-frequency motor with cooling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124865.7A CN108155755A (en) | 2018-02-07 | 2018-02-07 | A kind of variable-frequency motor with cooling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108155755A true CN108155755A (en) | 2018-06-12 |
Family
ID=62457152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810124865.7A Pending CN108155755A (en) | 2018-02-07 | 2018-02-07 | A kind of variable-frequency motor with cooling mechanism |
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| Country | Link |
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| CN (1) | CN108155755A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2540696Y (en) * | 2002-05-10 | 2003-03-19 | 江苏锡安达防爆股份有限公司 | Frequency conversion motor |
| CN1938521A (en) * | 2004-04-09 | 2007-03-28 | Lg电子株式会社 | Fan for air conditioner |
| CN200969540Y (en) * | 2006-10-31 | 2007-10-31 | 山东新风股份有限公司 | Integration damping bracket for external rotor motor |
| CN104632529A (en) * | 2013-11-06 | 2015-05-20 | 毕献奎 | Vertical axis efficient hollow-core megawatt wind driven generator and generator set |
| CN205544793U (en) * | 2015-12-31 | 2016-08-31 | 上海德驱驰电气有限公司 | Variable frequency motor |
| CN106015108A (en) * | 2016-08-01 | 2016-10-12 | 珠海格力电器股份有限公司 | Fan bracket, fan and small household appliance |
| CN207910627U (en) * | 2018-02-07 | 2018-09-25 | 河南宝天机电科技有限公司 | A kind of Novel variable-frequency motor with cooling mechanism |
-
2018
- 2018-02-07 CN CN201810124865.7A patent/CN108155755A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2540696Y (en) * | 2002-05-10 | 2003-03-19 | 江苏锡安达防爆股份有限公司 | Frequency conversion motor |
| CN1938521A (en) * | 2004-04-09 | 2007-03-28 | Lg电子株式会社 | Fan for air conditioner |
| CN200969540Y (en) * | 2006-10-31 | 2007-10-31 | 山东新风股份有限公司 | Integration damping bracket for external rotor motor |
| CN104632529A (en) * | 2013-11-06 | 2015-05-20 | 毕献奎 | Vertical axis efficient hollow-core megawatt wind driven generator and generator set |
| CN205544793U (en) * | 2015-12-31 | 2016-08-31 | 上海德驱驰电气有限公司 | Variable frequency motor |
| CN106015108A (en) * | 2016-08-01 | 2016-10-12 | 珠海格力电器股份有限公司 | Fan bracket, fan and small household appliance |
| CN207910627U (en) * | 2018-02-07 | 2018-09-25 | 河南宝天机电科技有限公司 | A kind of Novel variable-frequency motor with cooling mechanism |
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