CN203404128U - Centrifugal fan and indoor unit of air conditioner - Google Patents
Centrifugal fan and indoor unit of air conditioner Download PDFInfo
- Publication number
- CN203404128U CN203404128U CN201320446053.7U CN201320446053U CN203404128U CN 203404128 U CN203404128 U CN 203404128U CN 201320446053 U CN201320446053 U CN 201320446053U CN 203404128 U CN203404128 U CN 203404128U
- Authority
- CN
- China
- Prior art keywords
- ring
- aluminium core
- core ring
- centrifugal cutter
- aluminum core
- 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.)
- Expired - Fee Related
Links
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 92
- 230000035939 shock Effects 0.000 claims description 37
- 241000883990 Flabellum Species 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000013016 damping Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The utility model provides a centrifugal fan. The centrifugal fan comprises a fan blade structure, a motor and an aluminum core, wherein the motor comprises a rotary shaft, the rotary shaft of the motor is sleeved with the aluminum core, the rotary shaft is fixedly arranged in the aluminum core, and the fan blade structure is fixedly connected to the outer side of the aluminum core, and is driven by the rotary shaft and the aluminum core to rotate. The centrifugal fan further comprises a damping ring, wherein the aluminum core comprises a first aluminum core ring and a second aluminum core ring, the second aluminum core ring, the damping ring and the first aluminum core ring are fixed in sequence in a sleeving connection mode, the first aluminum core ring is fixed to the rotary shaft, and the second aluminum core ring is connected to the fan blade structure. Due to the fact that vibration generated in the process of rotation of the centrifugal fan is damped by the damping ring, resonance between the centrifugal fan and the motor is avoided, and the vibration and noise caused by the vibration are greatly reduced. On the basis, the utility model provides an indoor unit of an air conditioner, and the indoor unit of the air conditioner comprises the centrifugal fan.
Description
Technical field
The utility model relates to air conditioner unit field, relates in particular to a kind of centrifugal cutter and air conditioner indoor machine.
Background technique
At present, in air conditioner indoor machine, the speed range of centrifugal cutter when work is between 200 to 600r/min, and centrifugal cutter can produce vibrations and noise in the course of the work.In actual application, the vibrations that user produces in compared with low engine speed range centrifugal cutter and noise are acceptable, are called and can accept noise; But after the rotating speed raising along with centrifugal cutter, can produce user's unacceptable vibration of institute and noise, be called unacceptable noise, for this part unacceptable noise, need to shield.
In the prior art, the scheme that unacceptable noise is shielded is generally the speed range that can accept the centrifugal cutter that noise is corresponding and is divided into some levels, and user can only select wind speed (regulating the rotating speed of centrifugal cutter) in the rank of setting, thereby has also just masked unacceptable noise.
The air-conditioning of selling on market is at present all to have adopted such scheme, still substantially, in this artificial other scheme of division wind speed level, for the corresponding wind speed of unacceptable noise, user but use less than, this has limited user and has freely selected, and reduces the satisfaction decline that user experiences.
Model utility content
Main purpose of the present utility model is to provide a kind of centrifugal cutter and air conditioner indoor machine, be intended to by being connected of centrifugal cutter and motor rotation axis, between main body, arrange shock ring with in having reduced centrifugal cutter working procedure, produce vibrations and noise, and then improve centrifugal cutter rotating speed and can use and range of choice.
To achieve these goals, the utility model provides a kind of centrifugal cutter, comprise blade structure, there is the motor of rotating shaft and be sheathed on the aluminium core in the rotating shaft of described motor, aluminium in-core is fixed in described rotating shaft, described blade structure is fixedly attached to the outside of aluminium core, and rotate under the drive of this rotating shaft and aluminium core, this centrifugal cutter also comprises shock ring, described aluminium core comprises the first aluminium core ring and the second aluminium core ring, described the second aluminium core ring, shock ring and the first aluminium core ring are fixed by socket successively, described the first aluminium core ring is fixed in described rotating shaft, described the second aluminium core ring is connected to described blade structure.
Preferably, described blade structure comprises flabellum, wheel hub, small end cover and large end cap; Described wheel hub connects this small end cover and large end cap; Flabellum is arranged at large end cap away from a side of small end cover, and vertical with this small end cover, large end cap place plane; Described blade structure is by small end cover described the second aluminium core ring that is connected to.
Preferably, the thickness of described shock ring is 3 to 8 times of the first aluminium core ring thickness.
Preferably, the thickness of described shock ring is 3 to 8 times of the second aluminium core ring thickness.
Preferably, described shock ring is secured together described the second aluminium core ring and the first aluminium core ring by the mode of sulfuration.
The utility model further provides a kind of air conditioner indoor machine, comprise centrifugal cutter, this centrifugal cutter comprises blade structure, there is the motor of rotating shaft and be sheathed on the aluminium core in the rotating shaft of described motor, aluminium in-core is fixed in described rotating shaft, described blade structure is fixedly attached to the outside of aluminium core, and rotate under the drive of this rotating shaft and aluminium core, this centrifugal cutter also comprises shock ring, described aluminium core comprises the first aluminium core ring and the second aluminium core ring, described the second aluminium core ring, shock ring and the first aluminium core ring are fixed by socket successively, described the first aluminium core ring is fixed in described rotating shaft, described the second aluminium core ring is connected to described blade structure.
The utility model proposes a kind of centrifugal cutter, comprise aluminium core and shock ring in the rotating shaft that is sheathed on motor, wherein, this aluminium core comprises the first aluminium core ring and the second aluminium core ring, and the first aluminium core ring set is located in the rotating shaft of motor, and shock ring is set on the first aluminium core ring, the second aluminium core ring set is located on shock ring, the second aluminium core ring is away from connecting end cap in machine shaft direction one side, and end cap connects wheel hub away from the second aluminium core ring one side, and wheel hub connects blade structure away from end cap direction one end.In the utility model, because the vibrations that produce in centrifugal cutter rotation process needed by being located at the shock ring between the first aluminium core ring and the second aluminium core ring before being transmitted on motor, and shock ring can well carry out the vibrations of centrifugal cutter damping, avoid the resonance between centrifugal cutter and motor, thereby well reduced the noise that centrifugal cutter produces.On this basis, the utility model newly further provides a kind of air conditioner indoor machine that comprises above-mentioned centrifugal cutter.
Accompanying drawing explanation
Fig. 1 is the structural representation of centrifugal cutter of the present utility model;
Fig. 2 is the cut-away illustration of the A-A face in Fig. 1.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment solution is mainly: the utility model proposes a kind of centrifugal cutter, comprise aluminium core and shock ring in the rotating shaft that is sheathed on motor, wherein, this aluminium core comprises the first aluminium core ring and the second aluminium core ring, the first aluminium core ring set is located in the rotating shaft of motor, shock ring is set on the first aluminium core ring, the second aluminium core ring set is located on shock ring, the second aluminium core ring is away from connecting end cap in machine shaft direction one side, end cap connects wheel hub away from the second aluminium core ring one side, and wheel hub connects blade structure away from end cap direction one end.In the utility model, because the vibrations that produce in centrifugal cutter rotation process needed by being located at the shock ring between the first aluminium core ring and the second aluminium core ring before being transmitted on motor, and shock ring can well carry out the vibrations of centrifugal cutter damping, avoid the resonance between centrifugal cutter and motor, thereby well reduced the noise that centrifugal cutter produces.
Please with reference to shown in Fig. 1 to Fig. 2, wherein, Fig. 1 is the structural representation of centrifugal cutter of the present utility model; Fig. 2 is the cut-away illustration of the A-A face in Fig. 1.
The utility model one embodiment proposes a kind of centrifugal cutter, comprise blade structure (figure is mark not), there is the motor (not shown) of rotating shaft 6 and be sheathed on the aluminium core 4 in the rotating shaft 6 of described motor, described rotating shaft 6 is fixed in aluminium core 4, described blade structure is fixedly attached to the outside of aluminium core 4, and rotate under the drive of this rotating shaft 6 and aluminium core 4, this centrifugal cutter also comprises shock ring 5, described aluminium core 4 comprises the first aluminium core ring 41 and the second aluminium core ring 42, described the second aluminium core ring 42, shock ring 5 and the first aluminium core ring 41 are fixed by socket successively, described the first aluminium core ring 41 is fixed in described rotating shaft 6, described the second aluminium core ring 42 is connected to described blade structure.
Described shock ring 5 adopts elastic material to make, and adopt rubber to make, and density is not less than 1.6g/m in present embodiment
3.More specifically, in order to make 5 noise reductions that can play of shock ring best, the density of described rubber material is at 1.6g/m
3to 1.8g/m
3between.
In the utility model mode of execution, described shock ring 5 is secured together described the second aluminium core ring 42 and the first aluminium core ring 41 by the mode of sulfuration.
Described blade structure comprises flabellum 1, wheel hub 2, small end cover 3 and large end cap 7, described wheel hub 2 connects this small end cover 3 and large end cap 7, flabellum 1 is arranged at large end cap 7 away from a side of small end cover 3, and vertical with this small end cover 3, large end cap 7 place planes, this blade structure is by small end cover 3 described the second aluminium core ring 42 that is connected to.
In the utility model embodiment, shock ring 5 is fine reduced in centrifugal cutter working procedure, produce vibrations and noise, compare and the centrifugal cutter that does not assemble shock ring 5, have two advantages at least: 1, under same rotational speed and air quantity, the noise of centrifugal cutter of the present utility model can reduce 2-3dB (A); 2, can improve the range of choice that centrifugal cutter can be used rotating speed.
In actual application of the present utility model, more specifically, after centrifugal cutter is assembled in air conditioner indoor machine, the noise producing due to centrifugal cutter of the present utility model is very low, therefore, do not need again the rotating speed of centrifugal cutter to be carried out to classification according to the noise situation producing, user can select freely, arbitrarily any wind speed, more convenient operation when using this air conditioner.
In further implementation process, after guaranteeing, between centrifugal cutter 1 and machine shaft, shock ring is set, may there is the problem of connective stability between the two, in the utility model embodiment, the thickness of described shock ring 5 is 3 to 8 times of the first aluminium core ring 41 thickness, more specifically, the thickness of described shock ring 5 is 3 to 8 times of the second aluminium core ring 42 thickness.
In actual application of the present utility model, if when the thickness of shock ring 5 is excessive, the dynamic balancing of fan 1, radial beat eccentricity and high speed running performance decline, and can not meet the running of fan; If the thickness of shock ring 5 too hour, 5 of shock rings can not play good damped vibration and fall low noise effect.In the utility model embodiment, when the thickness of shock ring 5 is 3 to 8 times of thickness of the first aluminium core ring 41 and/or the second aluminium core ring 42, effect is best, can guarantee the properties of fan 1, has well damped vibration, reduces noise.
The utility model further provides a kind of air conditioner indoor machine with above-mentioned centrifugal cutter.In the present embodiment, concrete structure and the working principle of described centrifugal cutter refer to above-described embodiment, repeat no more herein.
Shortcoming and defect compared to existing technology, the utility model is by adopting above-mentioned design and improvement, and this makes the utlity model has following advantage: centrifugal cutter of the present utility model is simple in structure, easily manufactured; The noise that centrifugal cutter of the present utility model produces while effectively reducing work, quieter environmental protection; Quieter environmental protection during air conditioner indoor machine of the present utility model work, can accept under noise intensity to wind speed select with regulation range extensivelyr, user experiences better.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a centrifugal cutter, comprise blade structure, there is the motor of rotating shaft and be sheathed on the aluminium core in the rotating shaft of described motor, aluminium in-core is fixed in described rotating shaft, described blade structure is fixedly attached to the outside of aluminium core, and rotate under the drive of this rotating shaft and aluminium core, it is characterized in that, this centrifugal cutter also comprises shock ring, described aluminium core comprises the first aluminium core ring and the second aluminium core ring, described the second aluminium core ring, shock ring and the first aluminium core ring are fixed by socket successively, described the first aluminium core ring is fixed in described rotating shaft, described the second aluminium core ring is connected to described blade structure.
2. centrifugal cutter as claimed in claim 1, is characterized in that, described blade structure comprises flabellum, wheel hub, small end cover and large end cap; Described wheel hub connects this small end cover and large end cap; Flabellum is arranged at large end cap away from a side of small end cover, and vertical with this small end cover, large end cap place plane; Described blade structure is by small end cover described the second aluminium core ring that is connected to.
3. centrifugal cutter as claimed in claim 2, is characterized in that, the thickness of described shock ring is 3 to 8 times of the first aluminium core ring thickness.
4. centrifugal cutter as claimed in claim 3, is characterized in that, the thickness of described shock ring is 3 to 8 times of the second aluminium core ring thickness.
5. centrifugal cutter as claimed in claim 1, is characterized in that, described shock ring is secured together described the second aluminium core ring and the first aluminium core ring by the mode of sulfuration.
6. an air conditioner indoor machine, is characterized in that, comprises the centrifugal cutter as described in claim 1-5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320446053.7U CN203404128U (en) | 2013-07-24 | 2013-07-24 | Centrifugal fan and indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320446053.7U CN203404128U (en) | 2013-07-24 | 2013-07-24 | Centrifugal fan and indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404128U true CN203404128U (en) | 2014-01-22 |
Family
ID=49940066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320446053.7U Expired - Fee Related CN203404128U (en) | 2013-07-24 | 2013-07-24 | Centrifugal fan and indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134652A (en) * | 2015-10-09 | 2015-12-09 | 珠海格力电器股份有限公司 | Impeller assembly, air conditioner, range hood and vibration damping method of impeller assembly |
| CN106907349A (en) * | 2017-03-09 | 2017-06-30 | 深圳兴奇宏科技有限公司 | Fan blade structure |
-
2013
- 2013-07-24 CN CN201320446053.7U patent/CN203404128U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134652A (en) * | 2015-10-09 | 2015-12-09 | 珠海格力电器股份有限公司 | Impeller assembly, air conditioner, range hood and vibration damping method of impeller assembly |
| CN106907349A (en) * | 2017-03-09 | 2017-06-30 | 深圳兴奇宏科技有限公司 | Fan blade structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203453084U (en) | Shock-absorbing fan | |
| CN203404128U (en) | Centrifugal fan and indoor unit of air conditioner | |
| CN208634070U (en) | A kind of centrifugal blower component and the centrifugal blower using it | |
| CN105201923B (en) | Wind turbine damper, wind turbine | |
| CN207124518U (en) | Motor and its bearing block mounting assembly | |
| CN203685680U (en) | Centrifugal wind wheel on air purifier | |
| CN206250938U (en) | A kind of automobile winch motor | |
| CN207647806U (en) | High-speed electric expreess locomotive and electric tool | |
| CN205277913U (en) | Not leafy axial compressor fan blade of equidistance and electric fan | |
| CN108316999A (en) | A kind of cooling fan of engine with bending compound vibration-damper | |
| CN207437294U (en) | The Crankshaft motion structure and compressor and air conditioner of compressor | |
| CN203589902U (en) | External rotor motor | |
| CN205401591U (en) | Increase square energy storage flywheel | |
| CN207173293U (en) | A kind of car radiation noise reducing type fan electromotor assembly | |
| CN211046614U (en) | Shock attenuation formula servo motor | |
| CN205278232U (en) | Dry friction piece formula torsional damper | |
| CN206023458U (en) | A kind of shock-absorbing motor | |
| CN105443657B (en) | Unlubricated friction scraping-piece type torsional vibration damper | |
| CN209511869U (en) | A kind of novel pattern disk component | |
| CN210806947U (en) | Fault-tolerant servo motor with strong fault tolerance and high performance | |
| CN203656047U (en) | Torsional vibration absorber | |
| CN214888614U (en) | Novel damping structure for engine cylinder block | |
| CN207526571U (en) | A kind of flywheel fan and engine | |
| CN203412823U (en) | Anti-resonance heat dissipation fan on servo motor | |
| CN207777579U (en) | Double frequency damper pulley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |