CN209217862U - A kind of low vibration noise abatement motor - Google Patents
A kind of low vibration noise abatement motor Download PDFInfo
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- CN209217862U CN209217862U CN201920056298.6U CN201920056298U CN209217862U CN 209217862 U CN209217862 U CN 209217862U CN 201920056298 U CN201920056298 U CN 201920056298U CN 209217862 U CN209217862 U CN 209217862U
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Abstract
The utility model discloses a kind of low vibration noise abatement motor, belong to motor technology field, it includes base, end cap, stator, rotor, fan and fan housing, the end cap and the fan is respectively set in the base both ends, the fan housing is arranged on the outside of the fan, setting stator and rotor in the base, the wire casing quantity of the rotor is greater than the wire casing quantity of the stator, the wire casing of the rotor is obliquely installed, shaft one end of the rotor is equipped with bearing, bearing chamber is arranged in the center of the end cap, vibration damping copper sheathing is set in the bearing chamber, the bearing is fixed on the vibration damping copper sheathing, the wind direction of the fan is backwards to the direction of the fan housing, two support legs are set under the base, two support foot plate surfaces are equipped with groove, elastic cushion block is set in the groove, the thickness of the elastic cushion block is greater than institute State the depth of groove.The utility model can reduce motor vibration from basic, and vibration absorbing low noise effect is good.
Description
Technical field
The utility model relates to motor technology field, specifically a kind of low vibration noise abatement motor.
Background technique
In the processing and fabricating of motor, due to designing and manufacturing etc., motor inevitable real estate in the process of running
Raw vibration.Moreover, there is only electric and magnetic oscillations for motor oscillating, while there is also various mechanical oscillation, traditional technology is generallyd use
Increase material utilization amount, i.e. lengthening core length realizes vibration damping with the method for increasing Stator winding wires, although can receive certain
Effect, but can not eliminate foozle and bring vibration and the system resonance that is led in a certain frequency range.Moreover, such electricity
Machine damping mode makes the volume of motor larger, and weight is also big more compared with the motor of same specification, subtracts although can reach certain
Vibration effect, but largely increase the manufacturing cost of motor.Moreover using increasing core length and motor volume side
Formula necessarily brings the increase of spinning momentum, and different degrees of negative effect is generated to vibration damping.In addition, the vibration of motor mainly comes
From in the fit clearance of rotating part, the vibration of rotor rotation process is generated, and then is led to the variation of air gap and brings electromagnetic vibration
It is dynamic.Its transmitting for generating vibration mainly passes through motor bearings and end cap reaches shell and stator.Therefore by increasing material utilization amount
It is not highly desirable to reach reduction motor oscillating effect.
The fan of existing motor usually blow outward by fan housing direction, after wind contacts fan housing, change of the wind, from fan housing edge
Blowout, this wind direction setting, be easy to cause fan housing vibration larger, the Oscillation Amplitude of motor is aggravated, to make making an uproar for motor
Sound aggravates.
Notification number is that the patent of 202634221 U of CN discloses the middle-size and small-size asynchronous electric of a kind of low vibration and low noise
Machine is fixedly connected with hot jacket composite damping set in end cap and forms composite damping end cap, to inhibit rotor, bearing, end cap, machine
The vibration of seat, installation under-chassis transmission path；Bracket is by 45 ° of directions on end ring and end ring and is pasted with the four ribs of damping sheet
Composition, and damping piece, end plate, iron core, end plate, damping piece, pressing ring are successively laminated, for inhibiting stator core, base, fitting machine
The vibration of foot transmission path.The utility model can reduce the vibration noise of middle and small motor, and improve power density.But it should
Utility model only reduces the transmitting of motor internal vibration by setting damping buffering part, cannot fundamentally reduce the vibration of motor
Traverse degree, effectiveness in vibration suppression are limited.
Summary of the invention
In view of this, in view of the shortcomings of the prior art, the utility model provides one kind can reduce motor from basic
Vibration, the good low vibration noise abatement motor of vibration absorbing low noise effect.
In order to solve the above technical problems, technical solution adopted in the utility model is: a kind of low vibration noise abatement motor,
Including base, end cap, stator, rotor, fan and fan housing, the end cap and the fan, institute is respectively set in the base both ends
It states fan housing to be arranged on the outside of the fan, setting stator and rotor in the base, the wire casing quantity of the rotor are greater than described
The wire casing quantity of stator, the wire casing of the rotor are obliquely installed, and shaft one end of the rotor is equipped with bearing, in the end cap
Bearing chamber is arranged in heart position, vibration damping copper sheathing is arranged in the bearing chamber, the bearing is fixed on the vibration damping copper sheathing, the fan
Wind direction be that two support legs are set under the base backwards to the direction of the fan housing, two support foot plate surfaces are equipped with
Groove, the groove is interior to be arranged elastic cushion block, and the thickness of the elastic cushion block is greater than the depth of the groove.
Further, the wire casing quantity A of the rotor1, the wire casing quantity A of the stator2, A1-A2> 4.
Further, the elastic cushion block is rubber part.
Further, the fan is windmill-shaped wind wheel, and the fan housing is steel wire product.
Further, the fan is connect by fan end cover with the base, and the fan end cover outer surface is cambered surface.
Compared with prior art, the beneficial effects of the utility model are as follows:
The low vibration noise abatement motor of the utility model, the wire casing quantity of the rotor are greater than the wire casing number of the stator
Amount can reduce the exciting Reeb that the harmonic field of motor generates, and the wire casing of the rotor is obliquely installed, and can weaken single order
The Reeb that slot ripples generates, thus in the vibration for fundamentally weakening motor sending；Vibration damping copper sheathing is set in the bearing chamber, relatively
In end cap, vibration damping copper sheathing quality is relatively soft, preferable buffer shock-absorbing effect can be played, to subtract in motor operation course
Weak noise；The wind direction of the fan is backwards to the direction of the fan housing, and the wind of fan blowout directly blows to base, solves existing
Electric motor fan causes fan housing to vibrate strong problem to fan housing blowing；Elastic cushion block is set under support leg under base, works as base
When connecting with other objects, the elastic cushion block can slow down base and the vibration of other object contact surfaces is transmitted, and avoid vibrating
It makes a noise.
In addition, rotor line slot number is much larger than stator slot number, caused by the electromagnetic force wave that can effectively reduce stator generation
Vibration, to play the effect of vibration and noise reducing；The elastic cushion block be rubber part, wear-resisting, long service life, and have it is good
Good buffering effect；The fan is windmill-shaped wind wheel, and fan blade has volute chamber, and air quantity is more, and wind-force is bigger, good cooling effect,
Fan housing can reduce fan housing weight while playing safety protection function using steel wire product, to weaken fan housing vibration
It is dynamic；Fan end cover surface is cambered surface, and the wind that fan is blown out blows to base with cambered surface, increases contact of the wind with base
Face effectively can carry out radiating and cooling to motor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment one；
Fig. 2 is the front view of the utility model embodiment one；
Fig. 3 is the structural schematic diagram of the utility model embodiment two；
Wherein, 1- base, 2- end cap, 3- stator, 4- rotor, 5- fan, 6- fan housing, 7- bearing, 8- vibration damping copper sheathing, 9- branch
Support foot, 10- elastic cushion block.
Specific embodiment
The utility model in order to better understand is further fairly set out in the utility model below with reference to embodiment
Hold, but the protection content of the utility model is not limited solely to the following examples.In the following description, a large amount of tools are given
The details of body more thoroughly understands in order to provide to the utility model.However, aobvious and easy to those skilled in the art
See, the utility model may not need one or more of these details and be carried out.
Embodiment one
As shown in Figure 1 and 2, a kind of low vibration noise abatement motor, including base 1, end cap 2, stator 3, rotor 4,5 and of fan
The end cap 2 and the fan 5 is respectively set in fan housing 6,1 both ends of base, and the fan housing 6 is arranged in 5 outside of fan,
Setting stator 3 and rotor 4 in the base 1, the wire casing quantity of the rotor 4 are greater than the wire casing quantity of the stator 3, and described turn
The wire casing of son 3 is obliquely installed, and shaft one end of the rotor 4 is equipped with bearing 7, and bearing chamber is arranged in the center of the end cap 2,
Vibration damping copper sheathing 8 is set in the bearing chamber, and the bearing is fixed on the vibration damping copper sheathing 8, and the wind direction of the fan 5 is backwards to institute
State the direction of fan housing 6, the base 1 is lower to be arranged two support legs 9, two 9 bottom surfaces of support leg be all provided with it is fluted, it is described recessed
Elastic cushion block 10 is set in slot, and the thickness of the elastic cushion block 10 is greater than the depth of the groove.
Specifically, the wire casing quantity A of the rotor 41, the wire casing quantity A of the stator 32, A1-A2> 4.
The elastic cushion block 10 is rubber part.
The low vibration noise abatement motor of the utility model embodiment, the wire casing quantity of the rotor are greater than the line of the stator
Slot number, can reduce the exciting Reeb that the harmonic field of motor generates, and the wire casing of the rotor is obliquely installed, can weaken
The Reeb that single order slot ripples generates, thus in the vibration for fundamentally weakening motor sending；Vibration damping copper sheathing is set in the bearing chamber,
Relative to end cap, vibration damping copper sheathing quality is relatively soft, preferable buffer shock-absorbing effect can be played, thus in motor operation course
Middle decrease noise；The wind direction of the fan is backwards to the direction of the fan housing, and the wind of fan blowout directly blows to base, solves
Existing electric motor fan causes fan housing to vibrate strong problem to fan housing blowing；Elastic cushion block is set under support leg under base, when
When base is connect with other objects, the elastic cushion block can slow down base and the vibration of other object contact surfaces is transmitted, and avoid
Vibration makes a noise；In addition, rotor line slot number is much larger than stator slot number, the electromagnetic force wave that can effectively reduce stator generation draws
The vibration risen, to play the effect of vibration and noise reducing；The elastic cushion block is rubber part, wear-resisting, long service life, and tool
There is good buffering effect.
Embodiment two
As shown in Fig. 1 ~ 3, a kind of low vibration noise abatement motor, including base 1, end cap 2, stator 3, rotor 4,5 and of fan
The end cap 2 and the fan 5 is respectively set in fan housing 6,1 both ends of base, and the fan housing 6 is arranged in 5 outside of fan,
Setting stator 3 and rotor 4 in the base 1, the wire casing quantity of the rotor 4 are greater than the wire casing quantity of the stator 3, and described turn
The wire casing of son 3 is obliquely installed, and shaft one end of the rotor 4 is equipped with bearing 7, and bearing chamber is arranged in the center of the end cap 2,
Vibration damping copper sheathing 8 is set in the bearing chamber, and the bearing is fixed on the vibration damping copper sheathing 8, and the wind direction of the fan 5 is backwards to institute
State the direction of fan housing 6, the base 1 is lower to be arranged two support legs 9, two 9 bottom surfaces of support leg be all provided with it is fluted, it is described recessed
Elastic cushion block 10 is set in slot, and the thickness of the elastic cushion block 10 is greater than the depth of the groove.
Specifically, the wire casing quantity A of the rotor 41, the wire casing quantity A of the stator 32, A1-A2> 4.
The elastic cushion block 10 is rubber part.
The low vibration noise abatement motor of the utility model embodiment, with embodiment one the difference is that: the fan 5
For windmill-shaped wind wheel, fan blade has volute chamber, and air quantity is more, and wind-force is bigger, good cooling effect；The fan housing 6 is steel wire product,
While playing safety protection function, fan housing weight can reduce, to weaken fan housing vibration.
The fan 5 is connect by fan end cover 11 with the base 1, and 11 outer surface of fan end cover is cambered surface, is made
The wind for obtaining fan blowout can blow to base with cambered surface, increase the contact surface of wind and base, can effectively carry out to motor
Radiating and cooling.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of low vibration noise abatement motor, including base, end cap, stator, rotor, fan and fan housing, the base both ends point
The end cap and the fan are not set, the fan housing is arranged on the outside of the fan, setting stator and rotor in the base,
It is characterized by: the wire casing quantity of the rotor is greater than the wire casing quantity of the stator, the wire casing of the rotor is obliquely installed, institute
The shaft one end for stating rotor is equipped with bearing, and the center of the end cap is arranged bearing chamber, vibration damping copper is arranged in the bearing chamber
Set, the bearing are fixed on the vibration damping copper sheathing, and the wind direction of the fan is backwards to the direction of the fan housing, and the base is divided into
Two support legs are set, two support foot plate surfaces are equipped with groove, elastic cushion block, the elastic cushion block is arranged in the groove
Thickness be greater than the groove depth.
2. low vibration noise abatement motor as described in claim 1, it is characterised in that: the wire casing quantity A of the rotor1, described
The wire casing quantity A of stator2, A1-A2> 4.
3. low vibration noise abatement motor as described in claim 1, it is characterised in that: the elastic cushion block is rubber part.
4. low vibration noise abatement motor as described in claim 1, it is characterised in that: the fan is windmill-shaped wind wheel, described
Fan housing is steel wire product.
5. low vibration noise abatement motor as described in claim 1 or 4, it is characterised in that: the fan by fan end cover with
The base connection, the fan end cover outer surface are cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056298.6U CN209217862U (en) | 2019-01-14 | 2019-01-14 | A kind of low vibration noise abatement motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056298.6U CN209217862U (en) | 2019-01-14 | 2019-01-14 | A kind of low vibration noise abatement motor |
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| Publication Number | Publication Date |
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| CN209217862U true CN209217862U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920056298.6U Active CN209217862U (en) | 2019-01-14 | 2019-01-14 | A kind of low vibration noise abatement motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152411A (en) * | 2019-10-16 | 2020-12-29 | 中山悦莱智能科技有限公司 | Three-phase brushless permanent magnet direct current motor |
| CN112865346A (en) * | 2021-01-20 | 2021-05-28 | 深圳市康弘环保技术有限公司 | AC motor capable of reducing electromagnetic sound during operation |
-
2019
- 2019-01-14 CN CN201920056298.6U patent/CN209217862U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152411A (en) * | 2019-10-16 | 2020-12-29 | 中山悦莱智能科技有限公司 | Three-phase brushless permanent magnet direct current motor |
| CN112865346A (en) * | 2021-01-20 | 2021-05-28 | 深圳市康弘环保技术有限公司 | AC motor capable of reducing electromagnetic sound during operation |
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