CN202675484U - Air conditioner, outdoor machine and fan protection grate thereof - Google Patents
Air conditioner, outdoor machine and fan protection grate thereof Download PDFInfo
- Publication number
- CN202675484U CN202675484U CN 201220344697 CN201220344697U CN202675484U CN 202675484 U CN202675484 U CN 202675484U CN 201220344697 CN201220344697 CN 201220344697 CN 201220344697 U CN201220344697 U CN 201220344697U CN 202675484 U CN202675484 U CN 202675484U
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- protective grille
- fan
- spoke
- arc section
- fan protective
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Abstract
The utility model discloses a fan protection grate which comprises an outer frame and a plurality of spokes, wherein the spokes extend outwards from the center of the outer frame, and the inclined angle of the spoke and an incoming flow is lower than or equal to 10 DEG. Thus, the fan protection grate disclosed by the utility model can be used for efficiently reducing the influence of the protection grate on the air exhaust quantity, and efficiently reducing the eddy noise generated by collision of the air flow and the fan protection grate. The utility model further discloses an outdoor machine provided with the fan protection grate and an air conditioner provided with the outdoor machine.
Description
Technical field
The utility model relates to air-conditioning technical field, relates to more specifically a kind of air-conditioning, off-premises station and fan protective grille thereof.
Background technology
Split-type air conditioner is comprised of indoor set and off-premises station, is installed in respectively indoor and outdoors, and indoor set is connected with circuit by pipeline with off-premises station.Following content describes in detail in connection with the off-premises station of accompanying drawing to air-conditioning of the prior art.
Please refer to Fig. 1, Fig. 1 is air-conditioning outdoor unit structure schematic diagram in the prior art.
Air-conditioner outdoor unit comprises shell 01, heat exchanger 02 and fan protective grille 03, and wherein, shell 01 is provided with air intlet 031, and shell 01 inside is provided with electric machine support 04, and motor 05 is fixedly installed in the shell 01 by electric machine support 04.Motor-driven fan 06 rotates, and the outer rim of fan 06 is provided with guiding device 07, for the flow field of improving fan 06, and then the operating efficiency of raising blower fan.Air-flow is passed in the heat exchanger 02 rear arrival shell 01 by air intlet 031, and flows out shell 01 via fan protective grille 03 under the driving of fan 06.
Please refer to Fig. 2, Fig. 2 is air-flow streamline schematic diagram.During fan 06 driving air-flow, rotate the centrifugal force that produces because air mainly is subject to pressure and the fan blade fin 061 of the pressure face of fan blade fin 061, what these two power formed is not vertical relation with fan protective grille 03 with joint efforts, but angled.Therefore what flow out that the air-flow of fan blade fin 061 rotates at a certain angle enters fan protective grille 03.
Fan protective grille 03 Main Function is the security protection to moving components such as fan 06, motors 05, what fan protective grille 03 of the prior art was considered is the requirement of outward appearance and the safety standard of grid, usually adopt crisscross twigs of the chaste tree type or rotation spoke-type, but do not consider that grid is on the impact in the flow field of air-flow.Please refer to Fig. 3, Fig. 3 is that prior art fan protective grille and air-flow concern schematic diagram.Obviously, fan protective grille of the prior art easily causes air-flow and grid to produce intense impact, and then exhaust air rate is produced larger impact, and simultaneously air-flow and collision place of fan protective grille easily produces eddy current crack.
Therefore, how to reduce the fan protective grille to the impact of discharging air quantity and how to reduce the collision of air-flow and fan protective grille and the eddy current noise of generation becomes those skilled in the art's important technological problems to be solved.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of fan protective grille, and it can effectively reduce protective grille to the impact of discharging air quantity and effectively reduce the eddy current noise that air-flow and fan protective grille produce because of collision.The utility model also provides a kind of air-conditioning that comprises the off-premises station of said fans protective grille and comprise this off-premises station.
The fan protective grille that the utility model provides comprises housing, a plurality of spoke that is extended by the middle mind-set peripheral direction of described housing, and the angle between described spoke and the incoming flow is less than or equal to 10 degree.
Preferably, the cross-sectional edge line of described spoke comprises first footpath arc section and the first path arc section that is oppositely arranged, and the two ends of described first footpath arc section transit to the two ends of described the first path arc section by streamline; The cross section string of a musical instrument of described spoke and the angle between the incoming flow are less than or equal to 10 degree.
Preferably, the cross-sectional edge of described spoke is shaped as rectangle, and the side of described spoke and the angle between the incoming flow are less than or equal to 10 degree.
Preferably, also comprise centered by the center of described housing, a plurality of circle bars that distribute with one heart, described spoke is serially connected together a plurality of described circle bars.
Preferably, the cross-sectional edge of described circle bar comprises second largest footpath arc section and the second path arc section that is oppositely arranged, and the two ends of described second largest footpath arc section transit to the two ends of described the second path arc section by streamline.
Preferably, the shape of cross section of described circle bar is rectangle.
The utility model also provides a kind of off-premises station, comprises fan and fan protective grille, and described fan protective grille is above-mentioned each described fan protective grille.
Preferably, described fan protective grille comprises the central part corresponding with the wheel hub of described fan, one end of described spoke is connected with described central part, and described central part is circle or polygon, and the diameter of described central part or circumcircle diameter be described hub diameter 0.9-1.1 doubly.
The utility model also provides a kind of air-conditioning, comprises off-premises station, and described off-premises station is above-mentioned each described off-premises station.
The fan protective grille that the utility model provides comprises housing, a plurality of spoke that is extended by the middle mind-set peripheral direction of described housing, and the angle between described spoke and the incoming flow is less than or equal to 10 degree.So arrange, the fan protective grille that the utility model provides, because the angle between its spoke and the incoming flow is less than or equal to 10 degree, be that the fan of off-premises station is when blowing air-flow to the fan protective grille, the flow vector of air-flow and the angle between the spoke are less than or equal to 10 degree, because the angle between air-flow and the spoke is less, so the collision of air-flow and spoke reduces, and then effectively reduce the fan protective grille to the barrier effect of air-flow, namely effectively reduce protective grille to the impact of discharging air quantity, simultaneously, effectively reduce the eddy current noise that air-flow and fan protective grille produce because of collision.
In the preferred version that the utility model provides, the cross-sectional edge line of described spoke comprises first footpath arc section and the first path arc section that is oppositely arranged, and the two ends of described first footpath arc section transit to the two ends of described the first path arc section by streamline; The cross section string of a musical instrument of described spoke and the angle between the incoming flow are less than or equal to 10 degree.Need to prove, the cross-sectional edge line of spoke comprises first footpath arc section and the first path arc section that is oppositely arranged, mean when it is mounted to the shell of off-premises station, its cross section is first footpath arc section near an end of fan, end away from fan is the first path arc section, and first footpath arc section transits to the first path arc section by streamline, so spoke adopts the design of class airfoil, has preferably streamline shape, the fan protective grille can further reduce the resistance of air-flow, and then further reduced the impact of protective grille on the discharging air quantity, simultaneously, further reduced the eddy current noise.
The utility model also provides a kind of off-premises station, comprises fan and fan protective grille, and described fan protective grille is fan protective grille described above.So arrange, the off-premises station that the utility model provides, its protective grille is less on the impact of discharging air quantity, and simultaneously, its fan protective grille and air-flow are less because of the eddy current noise that collision produces.The derivation of this beneficial effect is identical with the derivation of the beneficial effect that the said fans protective grille is brought, so this paper repeats no more.
The utility model also provides a kind of air-conditioning that comprises above-mentioned off-premises station, and is same, and its protective grille is less on the impact of discharging air quantity, and simultaneously, its fan protective grille and air-flow are less because of the eddy current noise that collision produces.
Description of drawings
Fig. 1 is air-conditioning outdoor unit structure schematic diagram in the prior art;
Fig. 2 is air-flow streamline schematic diagram;
Fig. 3 is that prior art fan protective grille and air-flow concern schematic diagram;
Fig. 4 is the utility model specific embodiment fan protective grille structural representation;
Fig. 5 is the utility model specific embodiment fan and fan protective grille deployed configuration schematic diagram;
Fig. 6 is the utility model specific embodiment fan structural representation;
Fig. 7 is spoke structure schematic diagram in the utility model specific embodiment;
Among Fig. 1-Fig. 3:
Shell-01, heat exchanger-02, fan protective grille-03, air intlet-031, electric machine support-04, motor-05, fan-06, guiding device-07, fan blade fin-061;
Among Fig. 4-Fig. 7:
Housing-11, spoke-12, first footpath arc section-121, the first path arc section-122, fan-13, fan blade-131, circle bar-14, space-15, central part-16.
The specific embodiment
The utility model provides a kind of fan protective grille, and it can effectively reduce protective grille to the impact of discharging air quantity and effectively reduce the eddy current noise that air-flow and fan protective grille produce because of collision.The utility model also provides a kind of air-conditioning that comprises the off-premises station of said fans protective grille and comprise this off-premises station.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 4 to Fig. 7, Fig. 4 is the utility model specific embodiment fan protective grille structural representation; Fig. 5 is the utility model specific embodiment fan and fan protective grille deployed configuration schematic diagram; Fig. 6 is the utility model specific embodiment fan structural representation; Fig. 7 is spoke structure schematic diagram in the utility model specific embodiment.
Fan protective grille provided in the present embodiment comprises housing 11, a plurality of spoke 12 that is extended by the middle mind-set peripheral direction of housing 11, and wherein, the angle β between spoke 12 and the incoming flow is less than or equal to 10 degree.
So arrange, fan protective grille provided in the present embodiment, because the angle β between its spoke 12 and the incoming flow is less than or equal to 10 degree, be that the fan 13 of off-premises station is when blowing air-flow to the fan protective grille, angle between the flow vector of air-flow and the spoke 12 is less than or equal to 10 degree, because the angle β between air-flow and the spoke 12 is less, so the collision of air-flow and spoke 12 reduces, and then effectively reduce the fan protective grille to the barrier effect of air-flow, namely effectively reduce protective grille to the impact of discharging air quantity, simultaneously, effectively reduce the eddy current noise that air-flow and fan protective grille produce because of collision.
Preferably, the cross-sectional edge line of spoke 12 comprises first footpath arc section 121 and the first path arc section 122 that is oppositely arranged, and the two ends of first footpath arc section 121 transit to the two ends of the first path arc section 122 by streamline; The cross section string of a musical instrument of spoke 12 and the angle β between the incoming flow are less than or equal to 10 degree.
Need to prove, the cross-sectional edge line of spoke 12 comprises first footpath arc section 121 and the first path arc section 122 that is oppositely arranged, mean when it is mounted to the shell of off-premises station, its cross section is first footpath arc section 121 near an end of fan 13, end away from fan 13 is the first path arc section 122, and first footpath arc section 121 transits to the first path arc section 122 by streamline, so spoke 12 adopts the design of class airfoil, has preferably streamline shape, air-flow had preferably guide functions, the fan protective grille can further reduce the resistance of air-flow, and then further reduced protective grille to discharging the impact of air quantity, simultaneously, further reduced the eddy current noise.
Need to prove that the direction vector of air-flow is relevant with the established angle of the fan blade 131 of fan 13.When the established angle of the fan blade 131 of fan 13 was fixed value, the cross section string of a musical instrument of spoke provided in the present embodiment 12 optional positions was fixed value with respect to conplane angle of inclination.When the established angle of the fan blade 131 of fan 13 by an end when the other end increases gradually or reduce gradually, the cross section string of a musical instrument of spoke 12 also increases gradually with respect to conplane angle of inclination or reduces gradually.
In addition, this improve the intensity of fan protective grille provided in the present embodiment, fan protective grille provided in the present embodiment also comprises a plurality of circle bars 14, a plurality of circle bars 14 arrange centered by the center of housing 11 with one heart, and spoke 12 is serially connected together a plurality of circle bars 14.
So arrange, spoke 12 and the space 15 of enclosing bar 14 formation array arrangements, the size in space 15 can specifically be set according to actual conditions, only needs its requirement of shelter that can satisfy inner moving component to get final product.
In addition, in order to reduce air-flow to the percussion of circle bar 14, in this specific embodiment, the cross-sectional edge of circle bar 14 also can comprise second largest footpath arc section (not shown) and the second path arc section (not shown) that is oppositely arranged, and the two ends of large footpath arc section transit to the two ends of path arc section by streamline.
So arrange, the shape of circle bar 14 is similar to the shape of wing equally, and air-flow is had preferably guide functions, and then effectively reduces air-flow to the percussion of circle bar 14.
Certainly, circle bar 14 provided in the present embodiment also can be the circle bar of other type, such as, its shape of cross section also can be rectangle, namely encloses bar 14 and is the bar template.
This specific embodiment also provides a kind of off-premises station, and it comprises fan 13 and fan protective grille, and this fan protective grille is the described fan protective grille of above-mentioned arbitrary specific embodiment.
So arrange, off-premises station provided in the present embodiment, its protective grille is less on the impact of discharging air quantity, and simultaneously, its fan protective grille and air-flow are less because of the eddy current noise that collision produces.The derivation of this beneficial effect is identical with the derivation of the beneficial effect that the said fans protective grille is brought, so this paper repeats no more.
In the preferred version of off-premises station provided in the present embodiment, the fan protective grille comprises the central part corresponding with the wheel hub of fan 13 16, one end of spoke 12 is connected with central part 16, central part 16 is circle or polygon, and the diameter of central part 16 or circumcircle diameter be hub diameter 0.9-1.1 doubly.
Need to prove, central part 16 is circle or polygon, and the diameter of central part 16 or circumcircle diameter are 0.9-1.1 times of hub diameter, mean when central part 16 is circle, central part 16 diameters are 0.9-1.1 times of hub diameter, when central part 16 was polygon, the 0.9-1.1 that its circumcircle diameter is hub diameter doubly.
So arrange, the central part 16 of fan protective grille provided in the present embodiment can put the wheel hub gear air draft that does not affect off-premises station when improving its aesthetic property.
This specific embodiment also provides a kind of air-conditioning that comprises above-mentioned off-premises station, and is same, and its protective grille is less on the impact of discharging air quantity, and simultaneously, its fan protective grille and air-flow are less because of the eddy current noise that collision produces.
More than a kind of air-conditioning provided by the utility model, off-premises station and fan protective grille thereof are described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. a fan protective grille comprises housing, a plurality of spoke that is extended by the middle mind-set peripheral direction of described housing, it is characterized in that the angle between described spoke and the incoming flow is less than or equal to 10 degree.
2. fan protective grille as claimed in claim 1, it is characterized in that, the cross-sectional edge line of described spoke comprises first footpath arc section and the first path arc section that is oppositely arranged, and the two ends of described first footpath arc section transit to the two ends of described the first path arc section by streamline; The cross section string of a musical instrument of described spoke and the angle between the incoming flow are less than or equal to 10 degree.
3. fan protective grille as claimed in claim 1 is characterized in that, the cross-sectional edge of described spoke is shaped as rectangle, and the side of described spoke and the angle between the incoming flow are less than or equal to 10 degree.
4. fan protective grille as claimed in claim 1 is characterized in that, also comprise centered by the center of described housing, and a plurality of circle bars that distribute with one heart, described spoke is serially connected together a plurality of described circle bars.
5. fan protective grille as claimed in claim 4, it is characterized in that, the cross-sectional edge of described circle bar comprises second largest footpath arc section and the second path arc section that is oppositely arranged, and the two ends of described second largest footpath arc section transit to the two ends of described the second path arc section by streamline.
6. fan protective grille as claimed in claim 4 is characterized in that, the shape of cross section of described circle bar is rectangle.
7. an off-premises station comprises fan and fan protective grille, it is characterized in that, described fan protective grille is such as each described fan protective grille of claim 1-6.
8. off-premises station as claimed in claim 7, it is characterized in that, described fan protective grille comprises the central part corresponding with the wheel hub of described fan, one end of described spoke is connected with described central part, described central part is circle or polygon, and the diameter of described central part or circumcircle diameter be described hub diameter 0.9-1.1 doubly.
9. an air-conditioning comprises off-premises station, it is characterized in that, described off-premises station is such as each described off-premises station of claim 7-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344697 CN202675484U (en) | 2012-07-16 | 2012-07-16 | Air conditioner, outdoor machine and fan protection grate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344697 CN202675484U (en) | 2012-07-16 | 2012-07-16 | Air conditioner, outdoor machine and fan protection grate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202675484U true CN202675484U (en) | 2013-01-16 |
Family
ID=47496386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344697 Withdrawn - After Issue CN202675484U (en) | 2012-07-16 | 2012-07-16 | Air conditioner, outdoor machine and fan protection grate thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202675484U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542468A (en) * | 2012-07-16 | 2014-01-29 | 珠海格力电器股份有限公司 | Air conditioner, outdoor unit and fan protection grating of outdoor unit |
| CN103899576A (en) * | 2014-03-21 | 2014-07-02 | 美的集团股份有限公司 | Fan and air conditioner outdoor machine |
| CN104235971A (en) * | 2013-06-08 | 2014-12-24 | 海信（山东）空调有限公司 | Fan cover for air-conditioner outdoor machine and air-conditioner outdoor machine |
-
2012
- 2012-07-16 CN CN 201220344697 patent/CN202675484U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542468A (en) * | 2012-07-16 | 2014-01-29 | 珠海格力电器股份有限公司 | Air conditioner, outdoor unit and fan protection grating of outdoor unit |
| CN103542468B (en) * | 2012-07-16 | 2016-07-06 | 珠海格力电器股份有限公司 | A kind of air-conditioning, off-premises station and fan protective grille thereof |
| CN104235971A (en) * | 2013-06-08 | 2014-12-24 | 海信（山东）空调有限公司 | Fan cover for air-conditioner outdoor machine and air-conditioner outdoor machine |
| CN103899576A (en) * | 2014-03-21 | 2014-07-02 | 美的集团股份有限公司 | Fan and air conditioner outdoor machine |
| CN103899576B (en) * | 2014-03-21 | 2017-05-24 | 美的集团股份有限公司 | fan and air conditioner outdoor machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |