CN104653513A - Fan, air-cooled cold storage plant and air-cooled refrigerator - Google Patents
Fan, air-cooled cold storage plant and air-cooled refrigerator Download PDFInfo
- Publication number
- CN104653513A CN104653513A CN201510045258.8A CN201510045258A CN104653513A CN 104653513 A CN104653513 A CN 104653513A CN 201510045258 A CN201510045258 A CN 201510045258A CN 104653513 A CN104653513 A CN 104653513A
- Authority
- CN
- China
- Prior art keywords
- fan
- air
- blade
- frame
- cold storage
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/382—Flexible blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
- F04D29/305—Flexible vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fan, an air-cooled cold storage plant and an air-cooled refrigerator, and relates to the technical field of the fan, and the fan, the air-cooled cold storage plant and the air-cooled refrigerator are invented so as to solve the problems that noise generated when the fan runs is big and the motor efficiency is low in the prior art. The fan disclosed by the invention comprises fan blades; each fan blade comprises a frame and a flexible blade body which is fixedly arranged in the frame, wherein the frame is made of a rigid material. The fan disclosed by the invention is used as an evaporator fan and a condenser fan in the air-cooled refrigerator, a fan of an air conditioner, and the like.
Description
Technical field
The present invention relates to fan technology field, particularly relate to a kind of fan, air-cooled cold storage plant and wind cooling refrigerator.
Background technique
Adopt cold air forced cyclic type to carry out the refrigerator freezed, we claim it to be indirect-cooling type (air-cooled) refrigerator, also our said wind cooling refrigerator just.Wind cooling refrigerator utilizes a small-sized fans to force case inner air convection, to reach the object of cooling.
Fig. 1 is the schematic diagram of wind cooling refrigerator internal fan in prior art, comprises rotating shaft 01 and is arranged on the rotating shaft fan blade of 01 1 weeks 02.Fan rotates convection cell and produces impetus, makes fluid pass back through fan blade 02 from fan blade 02 and flow to before fan blade 02, define air quantity and blast.
When the flow curve of fluid is stable, when fan blade 02 is when the active force of A point place convection cell is perpendicular to fan blade 02, namely fan blade 02 produces the tangent plane of A point, in fan blade 02, different selecting produces different tangent planes, tangent plane a little finally define desirable cambered surface, desirable cambered surface can coordinate preferably with the flow curve of fluid, but in practice, shape due to fan blade 02 is fixing, and the flow curve of fluid because of the impact being subject to rotation speed of the fan be complicated and changeable, the fan blade 02 that shape is fixed only can coordinate wherein a kind of flow curve preferably, can not coordinate preferably with all flow curves, thus make fluid produce turbulent phenomenon, cause between fluid and mutually impact generation noise, in addition, the material of fan blade 02 is metal or plastics, the weight of fan is increased, the efficiency of motor is caused to reduce, the noise that vibration when fan blade 02 rotates produces also increases, certain impact is brought on the quality of the life of user.
Summary of the invention
Embodiments of the invention provide a kind of fan, air-cooled cold storage plant and wind cooling refrigerator, can solve the problem that noise is large and electric efficiency is low that prior art fan operationally produces.
For achieving the above object, embodiments of the invention adopt following technological scheme:
A kind of fan, comprise fan blade, described fan blade comprises the frame be made up of rigid material and the flexible blade body be fixed in described frame.
The fan that the embodiment of the present invention provides, blade body due to fan blade is flexible blade body, the difference of the fluid matasomatism force direction that flexible blade body can be subject to according to self, the radian of automatic adjustment cambered surface, the cambered surface of fan blade is coordinated preferably with the flow curve of fluid, thus alleviate the turbulent phenomenon of fluid, reduce the mutual impact between fluid, the noise produced when fan is run significantly reduces, flexible blade body is adopted to also reduce the weight of fan, improve the efficiency of motor, reduce the noise because fan blade vibration produces, in addition, frame is made up of rigid material, the edge of flexible blade body can be prevented because of stressed excessive and deformation occurs, produce pressure release phenomenon, ensure that the turning power on motor can be passed in fan blade smoothly.
Embodiments of the invention additionally provide a kind of air-cooled cold storage plant, and described air-cooled cold storage plant comprises evaporator fan and condenser fan, and described evaporator fan and/or condenser fan are above-mentioned fan.
Embodiments of the invention additionally provide a kind of wind cooling refrigerator, and described wind cooling refrigerator comprises above-mentioned air-cooled cold storage plant.
The air-cooled cold storage plant that the embodiment of the present invention provides and wind cooling refrigerator, the blade body of the fan blade of evaporator fan and/or condenser fan is flexible blade body, the difference of the fluid matasomatism force direction that flexible blade body can be subject to according to self, the radian of automatic adjustment cambered surface, the cambered surface of fan blade is coordinated preferably with the flow curve of fluid, thus alleviate the turbulent phenomenon of fluid, reduce the mutual impact between fluid, the noise produced when fan is run significantly reduces, flexible blade body is adopted to also reduce the weight of fan, improve the efficiency of motor, reduce the noise because fan blade vibration produces, in addition, frame is made up of rigid material, the edge of flexible blade body can be prevented because of stressed excessive and deformation occurs, produce pressure release phenomenon, ensure that the turning power on motor can be passed in fan blade smoothly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of prior art fan;
Fig. 2 is the structural representation of embodiment of the present invention fan;
The structural representation of Fig. 3 to be embodiment of the present invention fan be centrifugal cutter;
Fig. 4 is the schematic diagram of embodiment of the present invention centrifugal cutter blade;
Fig. 5 is the schematic diagram of spliced frame in embodiment of the present invention centrifugal cutter blade.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Fig. 2 is a specific embodiment of embodiment of the present invention fan, and the present embodiment fan, comprises fan blade 1, and fan blade 1 comprises the frame 11 be made up of rigid material and the flexible blade body 12 be fixed in frame 11.
The fan that the embodiment of the present invention provides, blade body due to fan blade 1 is flexible blade body 12, the difference of the fluid matasomatism force direction that flexible blade body 12 can be subject to according to self, the radian of automatic adjustment cambered surface, the cambered surface of fan blade 1 is coordinated preferably with the flow curve of fluid, thus alleviate the turbulent phenomenon of fluid, reduce the mutual impact between fluid, the noise produced when fan is run significantly reduces, flexible blade body 12 is adopted to also reduce the weight of fan, improve the efficiency of motor, reduce because fan blade 1 vibrates the noise produced, in addition, frame 11 is made up of rigid material, the edge of flexible blade body 12 can be prevented because of stressed excessive and deformation occurs, produce pressure release phenomenon, ensure that the turning power on motor can be passed in fan blade 1 smoothly.
The fan that the embodiment of the present invention provides, fan blade 1 is in transmission connection with the drive unit of fan, and described drive unit can drive described fan blade to rotate.And preferably, fan blade 1 is that multiple and around fan running shaft is uniformly distributed.
In the above-described embodiments, frame 11 can a week of coated flexible blade body 12, also can be a part for the periphery of only coated flexible blade body, also can adopt the edge of the coated flexible blade body 12 at multiple frame section interval.In order to make a Zhou Junneng of flexible blade body 12 obtain good protection, within one week of the coated flexible blade body 12 of preferred frame 11, arranging, thus, can better prevent the edge of flexible blade body 12 from deforming.
In the present embodiment, the material of frame 11 is generally plastic material, and flexible blade body 12 can adopt flexible membrane to make, and when making blade, the edge of flexible blade body 12 and frame 11 can adopt high-temperature laminating technique to fix, and forms fan blade 1.The process step of process for pressing is simple, and the blade joint difficult drop-off made, stability is high.
In an embodiment of the present invention, with reference to Fig. 2, fan is axial fan, fan blade 1 is axial fan blade, frame 11 is fixedly connected with the rotating shaft 2 of axial fan, and the blade body of axial fan blade is flexible blade body, and flexible blade body can adjust the radian of cambered surface automatically according to the hydrodynamic pressure be subject to, axial fan blade is coordinated preferably with the flow curve of fluid, thus reduces the noise produced when axial fan runs.
In another embodiment of the invention, with reference to Fig. 3 and Fig. 4, fan is centrifugal cutter, fan blade 1 is centrifugal cutter blade, frame 11 is fixedly connected with the chassis 3 of centrifugal cutter, when centrifugal cutter blade arranges flexible blade body, the intermediate portion of centrifugal cutter blade is needed to hollow out, form rectangular shaped slot 4, the surface of the centrifugal cutter blade after hollowing out arranges flexible blade body, ensure that flexible blade body covers whole rectangular shaped slot 4, flexible blade body can adjust the radian of cambered surface automatically according to the hydrodynamic pressure be subject to, centrifugal cutter blade is coordinated preferably with the flow curve of fluid, thus reduce the noise produced when centrifugal cutter runs.
With reference to Fig. 5, because the size of centrifugal cutter blade is little, the technology difficulty causing rectangular shaped slot 4 to add man-hour strengthens, the technology difficulty in man-hour is added in order to reduce rectangular shaped slot 4, frame 11 is spliced frame, comprise frame 11a and 11b, add and first on centrifugal cutter blade, cut out frame 11b man-hour, then on remaining centrifugal cutter blade, remove material form frame 11a, finally frame 11a with 11b is fixedly connected with, form rectangular shaped slot 4, compare directly centrifugal cutter blade intermediate portion to be hollowed out and form rectangular shaped slot 4, processing method in the present embodiment reduces the technology difficulty adding man-hour.
Embodiments of the invention additionally provide a kind of air-cooled cold storage plant, and described air-cooled cold storage plant comprises evaporator fan and condenser fan, and described evaporator fan and/or condenser fan are the fan described in above-mentioned any embodiment.
Embodiments of the invention additionally provide a kind of wind cooling refrigerator, and described wind cooling refrigerator comprises above-mentioned air-cooled cold storage plant.
The air-cooled cold storage plant that the embodiment of the present invention provides and wind cooling refrigerator, the blade body of the fan blade 1 of evaporator fan and/or condenser fan is flexible blade body 12, the difference of the fluid matasomatism force direction that flexible blade body 12 can be subject to according to self, the radian of automatic adjustment cambered surface, the cambered surface of fan blade 1 is coordinated preferably with the flow curve of fluid, thus alleviate the turbulent phenomenon of fluid, reduce the mutual impact between fluid, the noise produced when fan is run significantly reduces, flexible blade body 12 is adopted to also reduce the weight of fan, improve the efficiency of motor, reduce because fan blade 1 vibrates the noise produced, in addition, frame 11 is made up of rigid material, the edge of flexible blade body 12 can be prevented because of stressed excessive and deformation occurs, produce pressure release phenomenon, ensure that the turning power on motor can be passed in fan blade 1 smoothly.
About the air-cooled cold storage plant of the embodiment of the present invention and other formations of wind cooling refrigerator etc. known by those skilled in the art, no longer describe in detail at this.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (8)
1. a fan, is characterized in that, comprises fan blade, and described fan blade comprises the frame be made up of rigid material and the flexible blade body be fixed in described frame.
2. fan according to claim 1, is characterized in that, a week of the coated described flexible blade body of described frame.
3. fan according to claim 1, is characterized in that, edge and the described frame pressing of described flexible blade body are fixed.
4. the fan according to any one of claims 1 to 3, is characterized in that, described fan is axial fan, and described fan blade is axial fan blade, and described frame is fixedly connected with the rotating shaft of described axial fan.
5. the fan according to any one of claims 1 to 3, is characterized in that, described fan is centrifugal cutter, and described fan blade is centrifugal cutter blade, and described frame is fixedly connected with the chassis of described centrifugal cutter.
6. fan according to claim 5, is characterized in that, described frame is spliced frame.
7. an air-cooled cold storage plant, described air-cooled cold storage plant comprises evaporator fan and condenser fan, it is characterized in that, described evaporator fan and/or the fan of condenser fan according to any one of claim 1 ~ 6.
8. a wind cooling refrigerator, is characterized in that, comprises air-cooled cold storage plant according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510045258.8A CN104653513B (en) | 2015-01-28 | 2015-01-28 | A kind of fan, air-cooled cold storage plant and wind cooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510045258.8A CN104653513B (en) | 2015-01-28 | 2015-01-28 | A kind of fan, air-cooled cold storage plant and wind cooling refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104653513A true CN104653513A (en) | 2015-05-27 |
| CN104653513B CN104653513B (en) | 2017-10-27 |
Family
ID=53245025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510045258.8A Expired - Fee Related CN104653513B (en) | 2015-01-28 | 2015-01-28 | A kind of fan, air-cooled cold storage plant and wind cooling refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104653513B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2288232A1 (en) * | 1974-10-14 | 1976-05-14 | Stielau Martin | Bladed fan or propellor - has blades on rotor arm mounted on shaft by ball bearings at centre |
| US20050002792A1 (en) * | 2003-05-08 | 2005-01-06 | Thomas Cartwright | Fabric fan blade and fan body trim |
| CN2804741Y (en) * | 2005-05-20 | 2006-08-09 | 合肥华凌股份有限公司 | Air colling ice maker |
| CN202867332U (en) * | 2012-07-20 | 2013-04-10 | 台州市中联电器有限公司 | Combined blade |
| CN203550389U (en) * | 2013-11-25 | 2014-04-16 | 合肥美菱股份有限公司 | Air cooling refrigerator with three-circulation refrigeration system |
-
2015
- 2015-01-28 CN CN201510045258.8A patent/CN104653513B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2288232A1 (en) * | 1974-10-14 | 1976-05-14 | Stielau Martin | Bladed fan or propellor - has blades on rotor arm mounted on shaft by ball bearings at centre |
| US20050002792A1 (en) * | 2003-05-08 | 2005-01-06 | Thomas Cartwright | Fabric fan blade and fan body trim |
| CN2804741Y (en) * | 2005-05-20 | 2006-08-09 | 合肥华凌股份有限公司 | Air colling ice maker |
| CN202867332U (en) * | 2012-07-20 | 2013-04-10 | 台州市中联电器有限公司 | Combined blade |
| CN203550389U (en) * | 2013-11-25 | 2014-04-16 | 合肥美菱股份有限公司 | Air cooling refrigerator with three-circulation refrigeration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104653513B (en) | 2017-10-27 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20220128 |