CN106369798A - Centrifugal wind wheel and cabinet air conditioner - Google Patents

Centrifugal wind wheel and cabinet air conditioner Download PDF

Info

Publication number
CN106369798A
CN106369798A CN201610768661.8A CN201610768661A CN106369798A CN 106369798 A CN106369798 A CN 106369798A CN 201610768661 A CN201610768661 A CN 201610768661A CN 106369798 A CN106369798 A CN 106369798A
Authority
CN
China
Prior art keywords
centrifugal wind
wheel hub
noise reduction
wind wheel
reduction hole
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.)
Pending
Application number
CN201610768661.8A
Other languages
Chinese (zh)
Inventor
叶海林
毛先友
李玉狮
许行臻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Wuhu Meizhi Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Wuhu Meizhi Air Conditioning Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Wuhu Meizhi Air Conditioning Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201610768661.8A priority Critical patent/CN106369798A/en
Publication of CN106369798A publication Critical patent/CN106369798A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)

Abstract

The invention discloses a centrifugal wind wheel and a cabinet air conditioner. The centrifugal wind wheel comprises a hub and a wheel arm which is connected with the hub, wherein a mounting hole for mounting a motor shaft is formed in the middle of the hub; the hub is provided with an outer side surface which faces a motor and an inner side surface which is opposite to the outer side surface; and noise reduction holes which are positioned in the periphery of the mounting hole are further formed in the hub, are inclined to a rotating direction of the centrifugal wind wheel from the inner side surface to the outer side surface. By the technical scheme of the invention, noises of the centrifugal wind wheel are reduced.

Description

Centrifugal wind wheel and cabinet air-conditioner
Technical field
The present invention relates to air-conditioning technical field, particularly to a kind of centrifugal wind wheel and cabinet air-conditioner.
Background technology
It is usually provided with centrifugal wind wheel, centrifugal wind wheel can produce noise in the running, thus affecting user in cabinet air-conditioner Experience.
Content of the invention
The main object of the present invention is to propose a kind of centrifugal wind wheel it is intended to reduce making an uproar of operationally producing of centrifugal wind wheel Sound.
For achieving the above object, the spoke that centrifugal wind wheel proposed by the present invention includes wheel hub and connects described wheel hub, described The middle part of wheel hub is provided with the installing hole that a power supply arbor is installed, and described wheel hub has the lateral surface towards motor, and with described The relative medial surface of lateral surface, described wheel hub is additionally provided with the noise reduction hole positioned at described installing hole periphery, described noise reduction hole is from institute Stating inner side towards described lateral surface is in tilt to the rotation direction of described centrifugal wind wheel.
Preferably, described spoke includes multiple spokes connecting described wheel hub, and multiple described spokes are set in distance.
Preferably, described noise reduction hole is arranged at the junction of described wheel hub and described spoke.
Preferably, the junction of each described wheel hub and described spoke, being provided with described wheel hub is in radially interval The noise reduction hole at least described in two of arrangement..
Preferably, the junction of each described wheel hub and described spoke, is provided with the radial direction of described wheel hub and described wheel Noise reduction hole described in two all staggering in the circumference of hub.
Preferably, when described centrifugal wind wheel rotates, the wavelength of the mechanical wave that described hub vibrational produces is λ, drops described in two The odd-multiple for λ for the spacing radially in described wheel hub for the hole of making an uproar.
Preferably, described noise reduction hole is arranged at described in adjacent two between the junction of spoke and described wheel hub.
Preferably, the angle of inclination in described noise reduction hole is between 10 ° to 30 °.
Preferably, the lateral surface of described wheel hub is provided with the reinforcement positioned at described noise reduction hole peripheral.
The present invention also provides a kind of cabinet air-conditioner, and including centrifugal wind wheel, described centrifugal wind wheel includes wheel hub and connects described The spoke of wheel hub, the middle part of described wheel hub is provided with the installing hole that a power supply arbor is installed, and described wheel hub has outer towards motor Side, and the medial surface relative with described lateral surface, described wheel hub is additionally provided with the noise reduction hole positioned at described installing hole periphery, Described noise reduction hole is in tilt to the rotation direction of described centrifugal wind wheel from described inner side towards described lateral surface.
Technical scheme passes through to open up the rotation direction inclination towards centrifugal wind wheel on the wheel hub of centrifugal wind wheel Noise reduction hole, on the one hand reduce the rigidity of wheel hub, make the dromotropy of vibration, on the other hand make centrifugal wind wheel fan side and leaf The air of piece side mutually circulates, thus reducing the formation of vortex, above-mentioned two aspect reduces the noise of centrifugal wind wheel jointly.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of centrifugal wind wheel one embodiment of the present invention;
Fig. 2 is the top view of Fig. 1 centrifugal wind wheel;
Fig. 3 is the sectional view in Fig. 2 along m-m line;
Fig. 4 is mplifying structure schematic diagram at a in Fig. 3;
Fig. 5 is the structural representation of centrifugal wind wheel second embodiment of the present invention;
Fig. 6 is the structural representation of centrifugal wind wheel 3rd embodiment of the present invention;
Fig. 7 is the structural representation of centrifugal wind wheel fourth embodiment of the present invention;
Fig. 8 is the structural representation at another visual angle of centrifugal wind wheel in Fig. 1.
Drawing reference numeral illustrates:
The realization of the object of the invention, 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 the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of not making creative work all its His embodiment, broadly falls into the scope of protection of the invention.
If it is to be appreciated that relating to directivity instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention, Then directionality instruction be only used for explain under a certain particular pose (as shown in drawings) relative position relation between each part, Motion conditions etc., if this particular pose changes, directionality instruction also correspondingly changes therewith.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, should " first ", " second " etc. Description be only used for describing purpose, and it is not intended that instruction or imply its relative importance or implicit indicate indicated skill The quantity of art feature.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one this spy Levy.In addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy Based on enough realizations, will be understood that the knot of this technical scheme when the combination appearance of technical scheme is conflicting or cannot realize Close and do not exist, also not within the protection domain of application claims.
The present invention proposes a kind of centrifugal wind wheel, and the cabinet air-conditioner being provided with this centrifugal wind wheel.
With reference to Fig. 1, centrifugal wind wheel 10 generally includes air inducing circle 11, blade 12 and blade seat, and the opposite end of blade 12 divides Air inducing circle 11 and blade seat Dui Ying not connected.Blade seat includes wheel hub 13, spoke and mounting disc 15, and spoke connects mounting disc 15 He Wheel hub 13.
In embodiments of the present invention, as depicted in figs. 1 and 2, centrifugal wind wheel 10 includes wheel hub 13 and connects described wheel hub 13 Spoke, the middle part of described wheel hub 13 is provided with the installing hole 130 that a power supply arbor is installed, and described wheel hub 13 has towards motor Lateral surface, and the medial surface relative with described lateral surface, described wheel hub 13 are additionally provided with positioned at described installing hole 130 periphery Noise reduction hole 131, described noise reduction hole 131 is in incline to the rotation direction of described centrifugal wind wheel from described inner side towards described lateral surface Tiltedly.(with reference to Fig. 3 and Fig. 4).
Motor drives centrifugal wind wheel 10 when rotated, and mainly there are two aspects in source of making an uproar.On the one hand, line voltage is unstable, easily Produce harmonic wave, this harmonic wave can impact to the operating of motor.Affected by this harmonic wave, during motor high-speed rotation, Vibration is necessarily led to (because motor shaft is to there is portion gap with the inwall of installing hole 130 between motor shaft and centrifugal wind wheel 10 , even without the impact of harmonic wave, motor shaft also can produce mechanical vibration and wheel hub 13 between, here, harmonic wave can make vibration add By force), this vibration can be conducted to spoke by wheel hub 13, is then conducted to mounting disc 15 by spoke, then conducts to blade 12, The noise that whole blade 12 produces is larger.
On the other hand, centrifugal wind wheel 10 operationally, all can enter by the side of the motor side of centrifugal wind wheel 10 and air inducing circle 11 Wind, centrifugal wind wheel 10 is internal easily to produce vortex, thus producing 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, thus Reduce the rigidity of centrifugal wind wheel 10 in design strength allowed band, the centrifugal wind wheel 10 making has more preferable toughness, thus can With the conduction vibrated during reducing wheel hub 13 and motor movement.
Opening up of noise reduction hole 131 can make the air of motor side and blade-side mutually circulate, thus reducing the formation of vortex, And then reduce the noise that vortex produces.Furthermore, motor can drive centrifugal wind wheel 10 to turn clockwise, and may also be the inverse time Pin rotates.Taking turn clockwise as a example, when air enters centrifugal wind wheel 10 inside by motor side, wheel hub is with respect to air-flow for here Turn clockwise, conversely, air-flow makees up time reverse rotation with respect to wheel hub.Although opening up of noise reduction hole 131 can supply wheel hub two The air circulation of side, because the air of motor side can enter from noise reduction hole 131, centrifugal wind wheel 10 is internal, and therefore, air-flow is relatively It is along rotate counterclockwise in wheel hub 131, so, noise reduction hole 131 is arranged in the flow direction complying with air-flow, air-flow will be substantially reduced Flow through the resistance in noise reduction hole, such that it is able to reduce the formation of vortex it is also possible to reduce the noise that air blast noise reduction hole produces.
In order to verify in the present embodiment, the effect to centrifugal wind wheel 10 noise reduction for the noise reduction hole 131, made with 9 centrifugal wind wheels 10 Test, wherein, 3 centrifugal wind wheels 10 do not open up noise reduction hole 131;3 centrifugal wind wheels 10 offer and provide direction perpendicular to wheel The noise reduction hole 131 (follow-up referred to as vertical noise reduction hole) of hub, 3 centrifugal wind wheels 10 provide direction towards the rotation of centrifugal wind wheel 10 Direction tilts (follow-up referred to as inclination noise reduction hole).The noise reduction hole 131 of above-mentioned 6 centrifugal wind wheels 10 opens up quantity, position and size All same), convey 220v constant voltage to motor simultaneously, and measure the noise that 9 centrifugal wind wheels 10 produce simultaneously.
Table 1, centrifugal wind wheel noise contrast table before and after perforate
From table 1, after opening up vertical noise reduction hole 131, the noise of centrifugal wind wheel 10 averagely reduces 1.43db.Open up and incline Oblique deascension make an uproar hole 131 centrifugal wind wheel 10 with respect to the centrifugal wind wheel 10 not opening up noise reduction hole 131, noise averagely reduces 2.03db.
Technical scheme is passed through to open up the rotation side towards centrifugal wind wheel 10 on the wheel hub 13 of centrifugal wind wheel 10 To the noise reduction hole 131 tilting, on the one hand reduce the rigidity of wheel hub 13, make the dromotropy of vibration, on the other hand make centrifugation wind Take turns 10 blower fan sides and the air of blade-side mutually circulates, thus reducing the formation of vortex, above-mentioned two aspect reduces jointly The noise of centrifugal wind wheel 10.
See figures.1.and.2, in one embodiment, described spoke includes multiple spokes 14 connecting described wheel hub 13, multiple Described spoke 14 is set in distance.So, the overall rigidity of mounting disc reduce further, and noise also can reduce.
In one embodiment, with continued reference to Fig. 1, in order to reduce noise further, described noise reduction hole 131 is arranged at described wheel Hub 13 and the junction of described spoke 14.The vibration producing 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.Because spoke 14 is in ribbon Setting, in the process, the noise reduction hole 131 being arranged at wheel hub 13 and the junction of spoke 14 can effectively reduce spoke 14 to shaking 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, do following experiment: Convey 220v constant voltage to motor simultaneously, and measure the noise that 6 centrifugal wind wheels 10 produce, wherein 3 centrifugal wind wheels simultaneously 10 noise reduction hole 131 is arranged at the middle part (in the middle part of referred to as) between installing hole 130 and wheel hub 13 periphery, 3 centrifugal wind wheels 10 Noise reduction hole 131 is arranged at the junction (abbreviation junction) of wheel hub 13 and spoke 14.
Table 2, noise reduction hole is arranged at the middle part of centrifugal wind wheel and the noise contrast table of junction
Can be drawn by table 2, noise reduction hole 131 is arranged at junction ratio and is arranged at middle part, noise relative reduction 1.03db.
On the basis of a upper embodiment, with reference to Fig. 1, Fig. 5 to Fig. 7, in order to reduce the biography to vibration for the wheel hub 13 further Lead, in the present embodiment, the junction of each described wheel hub 13 and described spoke 14 be provided with positioned at described wheel hub 13 with described First noise reduction hole of the junction of spoke 14 and the second noise reduction hole.Two noise reduction holes 131 are to the barriering effect of Vibration propagation more preferably.Two The arrangement mode in noise reduction hole 131 can be wheel hub 13 circumference stagger arrangement or the radial direction in described wheel hub 13 Upper is in arrangement of staggering.Here, described first noise reduction hole and described second noise reduction hole radially setting in stacking in described wheel hub 13 Put, be equivalent to and be applied with two blockages to vibration, the conduction of vibration can be reduced further.
The shape in above-mentioned noise reduction hole 131 can be multiple, for example waist-shaped hole, circular hole, square opening, tri-angle-holed and other Regular or irregular be all possible.In the present embodiment, described noise reduction hole 131 is waist-shaped hole, and described waist-shaped hole is along described Wheel hub 13 circumferentially extending.During wheel hub 13 vibration, direction of vibration Shi Youqi conducts to edge at center, because waist-shaped hole is in length Bar shaped, waist-shaped hole is preferable along the circumferentially extending barriering effect to vibration of wheel hub 13.
Referring to figs. 1 to Fig. 4, in order to reduce noise further, described first noise reduction hole and described second noise reduction hole are described Radially the staggering of wheel hub 13, so, mechanical wave that wheel hub 13 vibration the produces conducting path on spoke 14 lengthens, and final passes The amplitude of the mechanical wave being directed on blade 12 can weaken, thus reaching the effect of noise reduction.
On the basis of a upper embodiment, in order to reduce noise, the mechanical wave producing during described wheel hub 13 vibration further Wavelength X, described first noise reduction hole and described second noise reduction hole are l in the spacing radially of described wheel hub 13, and wherein l is λ Odd-multiple.Specifically, during vibration is conducted from wheel hub 13 to spoke 14, noise reduction hole 131 can produce phase to mechanical wave Position postpones, and through the mechanical wave in the first noise reduction hole, will interfere with the mechanical wave entering the second noise reduction hole, because l is for λ's Odd-multiple, so, the mechanical wave through the first noise reduction hole can be superimposed cancellation (crest with the mechanical wave entering the second noise reduction hole Meet with trough), such that it is able to substantially reduce the conduction of vibration, noise is greatly reduced.
Here, λ is variable, different centrifugal wind wheel 10, its λ value is different, the motor of different rotating speeds, and λ value is not yet With.So, drive the rotating speed of motor that centrifugal wind wheel 10 rotates to be generally 850rpm taking air-conditioner as a example, now can be with The Motor drive centrifugal wind wheel 10 of 850rpm rotates, and measures the wavelength X of the mechanical wave that now centrifugal wind wheel 10 produces, then with Based on l is the odd-multiple of λ, open up noise reduction hole 131.
With reference to Fig. 7, in another embodiment, described noise reduction hole 131 is arranged at spoke 14 described in adjacent two and institute State between the junction of wheel hub 13.In order to verify the noise reduction in noise reduction hole 131 in the present embodiment, do following experiment: simultaneously to Motor conveys 220v constant voltage, and measures the noise that 6 centrifugal wind wheels 10 produce, the wherein fall of 3 centrifugal wind wheels 10 simultaneously Make an uproar the middle part (in the middle part of referred to as) that hole 131 is arranged between installing hole 130 and wheel hub 13 periphery, the noise reduction hole of 3 centrifugal wind wheels 10 131 are arranged at (abbreviation edge) between two adjacent spoke 14 and the junction of wheel hub 13.
Table 3, noise reduction hole is arranged at the middle part of centrifugal wind wheel and the noise contrast table of junction
Can be drawn by table 3, noise reduction hole 131 is arranged at edge and is arranged at middle part with respect to noise reduction hole 131, noise is average Reduce 0.47db.
With reference to Fig. 3 and Fig. 4, in one embodiment, in order that the noise reduction in noise reduction hole 131 is more preferably, do following experiment: with When convey 220v constant voltage to motor, and measure the noise that 15 centrifugal wind wheels 10 produce, the tilt angle alpha in noise reduction hole simultaneously =0 ° of centrifugal wind wheel 10 has 3,15 ° have 3,30 ° have 3,45 ° have 3,3 of 60 °.(15 centrifugal wind wheels 10 noise reduction hole opens up that position, size and shape are all identical, and the position in noise reduction hole may be contained within wheel hub and spoke 14 junction)
Table 4, noise reduction hole is arranged at the middle part of centrifugal wind wheel and the noise contrast table of junction
As shown in Table 4, when α increases to 10 ° by 0 °, lower noise is inconspicuous, and when α increases to 30 ° by 10 °, noise is obvious Reduce, and, noise is in reduced levels.When α increases to 45 ° by 30 °, noise gos up again;When α increases to 60 ° by 45 °, make an uproar Sound continues to raise.
So, it is preferred embodiment that here takes α scope to be 10 ° to 30 °.Namely the angle of inclination in noise reduction hole 131 is at 10 ° extremely Between 30 °.
With reference to Fig. 8, centrifugal wind wheel 10 rotating speed 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 centrifugal wind wheel 10 operates for a long time and may result in noise reduction hole 131 periphery cracking.In the present embodiment, In order to strengthen the intensity of wheel hub 13, described wheel hub 13 has the back side towards motor, and described noise reduction hole 131 has positioned at the described back of the body The outer hole face in face, the periphery of described outer hole face is equipped with reinforcement 132.In the present embodiment, equally, with 6 centrifugal wind wheels 10 Test, 6 centrifugal wind wheels 10 all offer noise reduction hole 131 on wheel hub 13, and (noise reduction hole 131 opens up quantity, position and size All same), the back side setting reinforcement 132 of wherein 3, in addition 3 are not provided with reinforcement 132.
Table 5, centrifugal wind wheel noise contrast table before and after setting ring stiffener
By this table 5 as can be seen that after setting ring stiffener 142, the noise of centrifugal wind wheel 10 slightly raises.
The analysis of causes: before setting ring stiffener 142, this is because ring stiffener 142 makes the whole of centrifugal wind wheel 10 Body rigidity strengthens again, and the effect that the benefit of perforate itself is very big is exactly to reduce the integral rigidity of centrifugal wind wheel 10, reducing The transmission of vibration, is equivalent to, after setting ring stiffener 142, the beneficial effect reducing noise reduction hole 141 to a certain extent.As Fruit is not provided with ring stiffener 142, and strong 10 degree of centrifugal wind wheel may can not meet requirement, leads to centrifugal wind wheel 10 in rotation When occur rupture phenomenon.So in the case of less to noise effect, setting ring stiffener 142 can ensure raising The service life of centrifugal wind wheel 10.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every this Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/indirectly use In the scope of patent protection that other related technical fields are included in the present invention.

Claims (10)

1. a kind of centrifugal wind wheel, including the spoke of wheel hub and the described wheel hub of connection, the middle part of described wheel hub is provided with a power supply arbor Install installing hole it is characterised in that described wheel hub has the lateral surface towards motor, and relative with described lateral surface in Side, described wheel hub is additionally provided with the noise reduction hole positioned at described installing hole periphery, and described noise reduction hole is from described inner side towards described Lateral surface is in tilt to the rotation direction of described centrifugal wind wheel.
2. centrifugal wind wheel as claimed in claim 1 is it is characterised in that described spoke includes multiple spokes connecting described wheel hub Bar, multiple described spokes are set in distance.
3. centrifugal wind wheel as claimed in claim 2 is it is characterised in that described noise reduction hole is arranged at described wheel hub and described spoke Junction.
4. centrifugal wind wheel as claimed in claim 3 is it is characterised in that the junction of each described wheel hub and described spoke, if Being equipped with described wheel hub is in radially the noise reduction hole at least described in two being intervally arranged.
5. centrifugal wind wheel as claimed in claim 3 is it is characterised in that the junction of each described wheel hub and described spoke, if The noise reduction hole described in two all staggered is equipped with the radial direction of described wheel hub and the circumference of described wheel hub.
6. centrifugal wind wheel as claimed in claim 5 is it is characterised in that when described centrifugal wind wheel rotates, described hub vibrational produces The wavelength of raw mechanical wave is λ, noise reduction hole described in two described wheel hub spacing radially be λ odd-multiple.
7. centrifugal wind wheel as claimed in claim 2 it is characterised in that described noise reduction hole be arranged at spoke described in adjacent two with Between the junction of described wheel hub.
8. centrifugal wind wheel as claimed in claim 1 it is characterised in that described noise reduction hole angle of inclination 10 ° to 30 ° it Between.
9. centrifugal wind wheel as claimed in claim 1 is it is characterised in that the lateral surface of described wheel hub is provided with positioned at described noise reduction hole The reinforcement of periphery.
10. a kind of cabinet air-conditioner is it is characterised in that include the centrifugal wind wheel as described in claim 1 to 9 any one.
CN201610768661.8A 2016-08-30 2016-08-30 Centrifugal wind wheel and cabinet air conditioner Pending CN106369798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610768661.8A CN106369798A (en) 2016-08-30 2016-08-30 Centrifugal wind wheel and cabinet air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610768661.8A CN106369798A (en) 2016-08-30 2016-08-30 Centrifugal wind wheel and cabinet air conditioner

Publications (1)

Publication Number Publication Date
CN106369798A true CN106369798A (en) 2017-02-01

Family

ID=57901416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610768661.8A Pending CN106369798A (en) 2016-08-30 2016-08-30 Centrifugal wind wheel and cabinet air conditioner

Country Status (1)

Country Link
CN (1) CN106369798A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110025914A (en) * 2018-01-12 2019-07-19 开利公司 End cap type reagent nozzle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003097488A (en) * 2001-09-27 2003-04-03 Hitachi Ltd Centrifugal air blower and air conditioner
CN101099044A (en) * 2005-10-06 2008-01-02 三菱电机株式会社 Turbo fan and air conditioner
CN202659562U (en) * 2012-06-04 2013-01-09 广东美的制冷设备有限公司 Eccentric wind wheel and air processing device with same
CN204283989U (en) * 2014-05-26 2015-04-22 珠海格力电器股份有限公司 Centrifugal blower and air conditioner using same
CN204591782U (en) * 2015-02-06 2015-08-26 一汽-法雷奥汽车空调有限公司 Blower wheel and comprise the blower of this impeller
CN204783822U (en) * 2014-07-10 2015-11-18 松下知识产权经营株式会社 Centrifugal aerator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003097488A (en) * 2001-09-27 2003-04-03 Hitachi Ltd Centrifugal air blower and air conditioner
CN101099044A (en) * 2005-10-06 2008-01-02 三菱电机株式会社 Turbo fan and air conditioner
CN202659562U (en) * 2012-06-04 2013-01-09 广东美的制冷设备有限公司 Eccentric wind wheel and air processing device with same
CN204283989U (en) * 2014-05-26 2015-04-22 珠海格力电器股份有限公司 Centrifugal blower and air conditioner using same
CN204783822U (en) * 2014-07-10 2015-11-18 松下知识产权经营株式会社 Centrifugal aerator
CN204591782U (en) * 2015-02-06 2015-08-26 一汽-法雷奥汽车空调有限公司 Blower wheel and comprise the blower of this impeller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110025914A (en) * 2018-01-12 2019-07-19 开利公司 End cap type reagent nozzle
US11305142B2 (en) 2018-01-12 2022-04-19 Carrier Corporation End cap agent nozzle

Similar Documents

Publication Publication Date Title
JP6685474B2 (en) Axial fan and air conditioner
US20050249596A1 (en) Balance adjusted fan
WO2017036317A1 (en) Fan head part, vertical type and wall-mounted type fans, household appliance and air blowing method
US10119553B2 (en) Centrifugal fan
JP6604981B2 (en) Axial blower impeller and axial blower
JP3469857B2 (en) Axial flow fan for cooling air circulation
CN106640758A (en) Wind wheel with double air ducts
TW201430221A (en) Turbofan and graphics card with the turbofan
CN102287385A (en) Centrifugal blower fan
CN109779932A (en) Air agitates system
CN106122085B (en) Centrifugal wind wheel and air conditioner
CN107461345A (en) Aerofoil fan and electric fan
CN106369798A (en) Centrifugal wind wheel and cabinet air conditioner
CN107956739A (en) Tubular wine wheel and air conditioner
CN106224287B (en) Centrifugal wind wheel and air conditioner
CN206017258U (en) Centrifugal wind wheel and air-conditioner
CN106122086A (en) Centrifugal wind wheel and air-conditioner
CN208831327U (en) Blower and air-conditioning system
CN206017257U (en) Centrifugal wind wheel and air-conditioner
CN207161352U (en) Aerofoil fan and electric fan
CN105889128A (en) Centrifugal fan blade, outer rotor fan and air conditioner
CN106122087A (en) Centrifugal wind wheel and air-conditioner
CN106286386A (en) Centrifugal wind wheel and air-conditioner
CN107983018A (en) A kind of self-priming is forward and reverse to intercept poly- oil type oil fume purifier
CN108223457A (en) A kind of cooling denoising device of household fan motor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170201