CN206017257U - Centrifugal wind wheel and air-conditioner - Google Patents
Centrifugal wind wheel and air-conditioner Download PDFInfo
- Publication number
- CN206017257U CN206017257U CN201620994346.2U CN201620994346U CN206017257U CN 206017257 U CN206017257 U CN 206017257U CN 201620994346 U CN201620994346 U CN 201620994346U CN 206017257 U CN206017257 U CN 206017257U
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- centrifugal wind
- wheel hub
- noise reduction
- wind wheel
- wheel
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Abstract
This utility model discloses a kind of centrifugal wind wheel and air-conditioner, and wherein, centrifugal wind wheel includes that the spoke of wheel hub and the connection wheel hub, the wheel hub have the installing hole that power supply arbor is installed, also provided positioned at the noise reduction hole of the installing hole periphery on the wheel hub.The technical solution of the utility model is by opening up noise reduction hole on the wheel hub of centrifugal wind wheel, on the one hand the rigidity of wheel hub is reduced, make the dromotropy of vibration, on the other hand centrifugal wind wheel fan side and the air of blade-side is made mutually to circulate, the noise of centrifugal wind wheel is reduced in terms of so as to reduce the formation of vortex, above-mentioned two jointly.
Description
Technical field
This utility model is related to air-conditioning technical field, more particularly to a kind of centrifugal wind wheel and the sky for being provided with the centrifugal wind wheel
Adjust device.
Background technology
Centrifugal wind wheel is usually provided with air-conditioner, and centrifugal wind wheel can produce noise in the running, so as to affect user's body
Test.
Utility model content
Main purpose of the present utility model is to propose a kind of centrifugal wind wheel, it is intended to reduce what centrifugal wind wheel was operationally produced
Noise.
For achieving the above object, the utility model proposes centrifugal wind wheel include the spoke of wheel hub and the connection wheel hub,
The wheel hub has the installing hole that power supply arbor is installed, and also provides the noise reduction positioned at the installing hole periphery on the wheel hub
Hole.
Preferably, the back side of the wheel hub is provided with the reinforcement positioned at the noise reduction hole peripheral.
Preferably, the spoke includes that the spoke of multiple connections wheel hub, multiple spokes are set in distance.
Preferably, the noise reduction hole is arranged at the junction of the wheel hub and the spoke.
Preferably, each described wheel hub with the junction of the spoke at least provided with noise reduction hole described in two.
Preferably, noise reduction hole described in two in the wheel hub radially in being intervally arranged.
Preferably, the two noise reductions hole is staggered in radially and circumferentially going up for the wheel hub.
Preferably, the wavelength of the mechanical wave that the wheel hub is produced is λ, noise reduction hole described in two in the wheel hub radially
Odd-multiple of the spacing for λ.
Preferably, the noise reduction hole is arranged at described in adjacent two between the junction of spoke and the wheel hub.
This utility model also provides a kind of air-conditioner, and including centrifugal wind wheel, the centrifugal wind wheel includes wheel hub and connection institute
The spoke of wheel hub is stated, the wheel hub has the installing hole that power supply arbor is installed, also provided positioned at the installation on the wheel hub
The noise reduction hole of hole periphery.
On the one hand the technical solution of the utility model reduces wheel hub by opening up noise reduction hole on the wheel hub of centrifugal wind wheel
Rigidity, make the dromotropy of vibration, on the other hand make centrifugal wind wheel fan side and the air of blade-side mutually circulate, so as to drop
The noise of centrifugal wind wheel is reduced in terms of the formation of low vortex, above-mentioned two jointly.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, other accompanying drawings can be obtained with the structure according to these accompanying drawings.
Structural representations of the Fig. 1 for this utility model centrifugal wind wheel first embodiment；
Fig. 2 is the structural representation at another visual angle of centrifugal wind wheel in Fig. 1；
Structural representations of the Fig. 3 for this utility model centrifugal wind wheel second embodiment；
Top views of the Fig. 4 for Fig. 3；
Structural representations of the Fig. 5 for this utility model centrifugal wind wheel 3rd embodiment；
Structural representations of the Fig. 6 for this utility model centrifugal wind wheel fourth embodiment；
Structural representations of the Fig. 7 for the 5th embodiment of this utility model centrifugal wind wheel.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Centrifugal wind wheel | 11 | Air inducing circle |
| 12 | Blade | 13 | Wheel hub |
| 14 | Spoke | 15 | Mounting disc |
| 130 | Installing hole | 131 | Noise reduction hole |
| 132 | Reinforcement |
The realization of this utility model purpose, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Embodiment in based on this utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of this utility model protection.
If it is to be appreciated that relate in this utility model embodiment directivity indicate (such as upper and lower, left and right, front,
Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly to change therewith.
If in addition, relate to the description of " first ", " second " etc. in this utility model embodiment, should " first ", " the
Two " description etc. is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate indication
The quantity of the technical characteristic for showing.Thus, " first " is defined, the feature of " second " can be expressed or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, will be understood that this technical side when the combination appearance of technical scheme is conflicting or cannot realize
The combination of case is not present, also not within the protection domain that this utility model is required.
The utility model proposes a kind of centrifugal wind wheel and the air-conditioner for being provided with the centrifugal wind wheel.
With reference to Fig. 1, centrifugal wind wheel 10 generally includes air inducing circle 11, blade 12 and blade seat, the opposite end point of blade 12
Air inducing circle 11 and blade seat are not correspondingly connected.Blade seat includes that wheel hub 13, spoke and mounting disc 15, spoke connect 15 He of mounting disc
Wheel hub 13.
In this utility model embodiment, as shown in figure 1, centrifugal wind wheel 10 includes wheel hub 13 and connects the wheel hub 13
Spoke, the wheel hub 13 have the installing hole 130 that the rotating shaft of power supply machine is installed, and the outer peripheral edge being connected with the spoke, institute
State and provide on wheel hub 13 positioned at the noise reduction hole 131 of 130 periphery of the installing hole.
Specifically, centrifugal wind wheel 10 operationally, originate in terms of mainly having two by source of making an uproar.On the one hand, line voltage is unstable, holds
Harmonic wave is also easy to produce, the harmonic wave can be impacted to the operating of motor.Affected by the harmonic wave, the process of motor high-speed rotation
In, necessarily lead to vibration between motor shaft and centrifugal wind wheel 10 (because the inwall of motor shaft and installing hole 130 is present between part
Gap, even without the impact of harmonic wave, motor shaft also can produce vibration between wheel hub 13, and harmonic wave strengthens can vibration), this shakes
Move and can be conducted to spoke by wheel hub 13, then conducted to mounting disc 15 by spoke, be ultimately conducted to blade 12, and in this biography
During leading, vibration is a process that progressively amplifies, and therefore, the noise that final blade 12 is produced is larger.
On the other hand, centrifugal wind wheel 10 operationally, can enter by the side of the motor side of centrifugal wind wheel 10 and air inducing circle 11
Wind, easily produces vortex inside centrifugal wind wheel 10, so as to produce noise.
In the present embodiment, noise reduction hole 131 is opened up on wheel hub 13, on the one hand can reduce the internal stress of wheel hub 13, so as to
Reduce the rigidity of wind wheel in design strength allowed band, the wind wheel for making has more preferable toughness, wheel hub 13 can be reduced with electricity
The conduction that vibrates in machine motor process.
Opening up for noise reduction hole 131 can make the air of motor side and blade-side mutually circulate, so as to reduce the formation being vortexed,
And then reduce the noise that vortex is produced.
In order to verify in the present embodiment, effect of the perforate to wind wheel noise reduction is tested with 6 centrifugal wind wheels 10, wherein, 3
Platform centrifugal wind wheel 10 does not open up 131,3, noise reduction hole centrifugal wind wheel 10 and offers the 131 (drop of 3 centrifugal wind wheels 10 of noise reduction hole
Hole 131 of making an uproar opens up quantity, position and size all same), while give motor conveying 220v constant voltages, and determine simultaneously 6 from
The noise that heart-wind syndrome wheel 10 is produced.
Table 1, centrifugal wind wheel noise contrast table before and after perforate
Can be seen that from the table and open up the noise of the centrifugal wind wheel 10 behind noise reduction hole 131 and averagely reduce 1.27dB.
On the one hand the technical solution of the utility model is dropped by opening up noise reduction hole 131 on the wheel hub 13 of centrifugal wind wheel 10
The low rigidity of wheel hub 13, makes the dromotropy of vibration, on the other hand makes the air of 10 blower fan side of centrifugal wind wheel and 12 side of blade
Mutually circulate, so as to reduce the formation of vortex, above-mentioned two in terms of reduce jointly the noise of centrifugal wind wheel 10.
With reference to Fig. 2,10 rotating speed of centrifugal wind wheel is higher, opens up noise reduction hole 131 and may result in noise reduction hole 131 on wheel hub 13
Periphery local strength weakens, and the long-term operating of centrifugal wind wheel 10 may result in noise reduction hole 131 periphery cracking.In the present embodiment,
In order to strengthen the intensity of wheel hub 13, the lateral surface (towards the one side of motor) of the wheel hub 13 is provided with positioned at the noise reduction hole 131
The reinforcement 132 of periphery.In the present embodiment, equally, tested with 6 centrifugal wind wheels 10,6 centrifugal wind wheels 10 are in wheel hub
Noise reduction hole 131 (noise reduction hole 131 opens up quantity, position and size all same) is offered on 13, and the back side of wherein 3 is arranged to be strengthened
Muscle 132, in addition 3 are not provided with reinforcement 132.
Table 2, arranges centrifugal wind wheel noise contrast table before and after ring stiffener
By the table 2 as can be seen that after arranging ring stiffener 142, the noise of centrifugal wind wheel 10 is slightly raised.
The analysis of causes：Before arranging annular ring stiffener 142, this is to cause centrifugal wind wheel 10 due to ring stiffener 142
Integral rigidity strengthen again, the very big effect of the benefit of perforate itself is exactly the integral rigidity in order to reduce centrifugal wind wheel 10,
Reduce the transmission of vibration, to a certain extent equivalent to the beneficial effect for reducing noise reduction hole 141 after setting ring stiffener 142
Really.If being not provided with ring stiffener 142, strong 10 degree of centrifugal wind wheel may can not meet requirement, cause centrifugal wind wheel 10 to exist
Occurs the phenomenon of rupture when rotation.So in the case of less to noise effect, arranging ring stiffener 142 can protect
Barrier improves the service life of centrifugal wind wheel 10.
See figures.1.and.2, in one embodiment, the spoke includes the spoke 14 of multiple connections wheel hub 13, multiple
The spoke 14 is set in distance.Thus, the overall rigidity of blade seat reduce further, noise can also reduce.
With reference to Fig. 3 to Fig. 5, in one embodiment, in order to further reduce noise, the noise reduction hole 131 is arranged at described
The junction of wheel hub 13 and the spoke 14.The vibration produced between motor shaft and wheel hub 13 is conducted to spoke by wheel hub 13 first
14, then conducted to mounting disc 15 by spoke 14, finally conducted to blade 12 by mounting disc 15.As spoke 14 is in ribbon
Arrange, in the process, be arranged at wheel hub 13 and can effectively reduce spoke 14 pairs with the noise reduction hole 131 of the junction of spoke 14 and shake
Dynamic conduction.In order to verify that noise reduction hole 131 is arranged at the noise reduction of wheel hub 13 and the junction of spoke 14, following experiment is done：
220v constant voltages are conveyed to motor simultaneously, and determines the noise that 6 centrifugal wind wheels 10 are produced, wherein 3 centrifugal wind wheels simultaneously
10 noise reduction hole 131 is arranged at the middle part between 13 periphery of installing hole 130 and wheel hub (referred to as middle part), 3 centrifugal wind wheels 10
Noise reduction hole 131 is arranged at the junction (abbreviation junction) of wheel hub 13 and spoke 14.
Table 3, noise reduction hole are arranged at the noise contrast table at the middle part and junction of centrifugal wind wheel
Can be drawn by table 3, noise reduction hole 131 is arranged at junction ratio and is arranged at middle part, noise relative reduction 1.87dB.
With reference to Fig. 3 to Fig. 5, on the basis of a upper embodiment, in order to further reduce the conduction of 13 pairs of vibrations of wheel hub, in
In the present embodiment, the junction of each described wheel hub 13 and the spoke 14 is at least provided with noise reduction hole 131 described in two.Two noise reductions
Hole 131 to the barriering effect of Vibration propagation more preferably.
With reference to Fig. 5 and Fig. 6, in a further preferred embodiment, the noise reduction hole 131 is arranged at wheel hub 13 described in adjacent two
And the junction of the spoke 14 between.In order to verify the noise reduction in noise reduction hole 131 in the present embodiment, following experiment is done：With
When give motor conveying 220v constant voltages, and simultaneously determine the noise that 6 centrifugal wind wheels 10 are produced, wherein 3 centrifugal wind wheels 10
Noise reduction hole 131 be arranged at the middle part between 13 periphery of installing hole 130 and wheel hub (referred to as middle part), the drop of 3 centrifugal wind wheels 10
Hole 131 of making an uproar is arranged at (abbreviation edge) between two adjacent spokes 14 and the junction of wheel hub 13.
Table 4, noise reduction hole are arranged at the noise contrast table at the middle part and junction of centrifugal wind wheel
Can be drawn by table 3, noise reduction hole 131 is arranged at edge and is arranged at middle part relative to noise reduction hole 131, noise is average
Reduce 0.73dB.
With reference to Fig. 7, on the basis of a upper embodiment, in order to further reduce noise, the two noise reductions hole 131 (first
Noise reduction hole and the second noise reduction hole) stagger in the radial direction of the wheel hub 13 and the circumference of the wheel hub 13, thus, wheel hub 13 shakes
Conducting path of the mechanical wave of movable property life on spoke 14 is lengthened, and the amplitude of the mechanical wave being ultimately conducted on blade can weaken,
So as to reach the effect of noise reduction.
In addition, further, in order to reduce noise, the wavelength X of the mechanical wave that the wheel hub 13 is produced, noise reduction described in two
Hole 131 is L in the spacing radially of the wheel hub 13, and wherein L is the odd-multiple of λ.Specifically, vibration is from wheel hub 13 to wheel
During spoke conducts, noise reduction hole 131 can produce Phase delay to mechanical wave, through the mechanical wave in the first noise reduction hole, and enter
The mechanical wave in the second noise reduction hole will be interfered, due to L for λ odd-multiple, so, through the first noise reduction hole mechanical wave with
The mechanical wave for entering the second noise reduction hole can occur superposition cancellation (crest is met) with trough, such that it is able to substantially reduce the biography of vibration
Lead, noise is greatly reduced.
Here, λ is variable, different centrifugal wind wheels 10, its λ value is different, the motor of different rotating speeds, and λ value is not yet
With.So, by taking air-conditioner as an example, during air-conditioner normal work, the rotating speed of the motor for driving centrifugal wind wheel 10 to rotate is generally
850rpm, now can rotate 10 with the Motor drive centrifugal wind wheel of 850rpm, and determine the machine that now centrifugal wind wheel 10 is produced
The wavelength X of tool ripple, then based on the odd-multiple with L as λ, opens up noise reduction hole 131.
The arrangement mode in two noise reduction holes 131 can be wheel hub 13 periphery in laid out in parallel, or described
Wheel hub is in radially to be intervally arranged.Here, two noise reduction holes be applied with two blockages equivalent to vibration in being intervally arranged, can be with
Further reduce the conduction that vibrates.
The shape in noise reduction hole 131 can be multiple, and such as waist-shaped hole, circular hole, square opening, tri-angle-holed and other are regular
Or irregular be all possible.In the present embodiment, the noise reduction hole 131 is waist-shaped hole, and the waist-shaped hole is along the wheel hub
13 circumferentially extending.When wheel hub 13 vibrates, direction of vibration Shi Youqi is conducted to edge at center, as waist-shaped hole is elongated
, waist-shaped hole is along the circumferentially extending preferable to the barriering effect for vibrating of wheel hub 13.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
Every equivalent structure change that under inventive concept of the present utility model, is made using this utility model description and accompanying drawing content
Change, or directly/be used in indirectly other related technical fields and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of centrifugal wind wheel, including wheel hub and the spoke of the connection wheel hub, it is characterised in that the wheel hub has power supply machine
The installing hole that axle is installed, also provides on the wheel hub positioned at the noise reduction hole of the installing hole periphery.
2. centrifugal wind wheel as claimed in claim 1, it is characterised in that the lateral surface of the wheel hub is provided with positioned at the noise reduction hole
The reinforcement of periphery.
3. centrifugal wind wheel as claimed in claim 1, it is characterised in that the spoke includes the spokes of multiple connections wheel hub
Bar, multiple spokes are set in distance.
4. centrifugal wind wheel as claimed in claim 3, it is characterised in that the noise reduction hole is arranged at the wheel hub with the spoke
Junction.
5. centrifugal wind wheel as claimed in claim 4, it is characterised in that the junction of each described wheel hub and the spoke is at least
It is provided with noise reduction hole described in two.
6. centrifugal wind wheel as claimed in claim 5, it is characterised in that noise reduction hole described in two the wheel hub be in radially between
Every arrangement.
7. centrifugal wind wheel as claimed in claim 5, it is characterised in that noise reduction hole described in two in the wheel hub radially and circumferentially
On stagger.
8. centrifugal wind wheel as claimed in claim 7, it is characterised in that the wavelength of the mechanical wave that the hub vibrational is produced is λ,
Noise reduction hole described in two the wheel hub spacing radially for λ odd-multiple.
9. centrifugal wind wheel as claimed in claim 3, it is characterised in that the noise reduction hole be arranged at spoke described in adjacent two with
Between the junction of the wheel hub.
10. a kind of air-conditioner, it is characterised in that include the centrifugal wind wheel as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994346.2U CN206017257U (en) | 2016-08-30 | 2016-08-30 | Centrifugal wind wheel and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620994346.2U CN206017257U (en) | 2016-08-30 | 2016-08-30 | Centrifugal wind wheel and air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017257U true CN206017257U (en) | 2017-03-15 |
Family
ID=58254866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620994346.2U Active CN206017257U (en) | 2016-08-30 | 2016-08-30 | Centrifugal wind wheel and air-conditioner |
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| CN (1) | CN206017257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224287A (en) * | 2016-08-30 | 2016-12-14 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and air-conditioner |
-
2016
- 2016-08-30 CN CN201620994346.2U patent/CN206017257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224287A (en) * | 2016-08-30 | 2016-12-14 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and air-conditioner |
| CN106224287B (en) * | 2016-08-30 | 2019-03-15 | 芜湖美智空调设备有限公司 | Centrifugal wind wheel and air conditioner |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |