CN105258314A - Fan system and air outlet grille thereof - Google Patents
Fan system and air outlet grille thereof Download PDFInfo
- Publication number
- CN105258314A CN105258314A CN201510772614.6A CN201510772614A CN105258314A CN 105258314 A CN105258314 A CN 105258314A CN 201510772614 A CN201510772614 A CN 201510772614A CN 105258314 A CN105258314 A CN 105258314A
- Authority
- CN
- China
- Prior art keywords
- air outlet
- outlet grate
- fan system
- blower fan
- spider
- 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
Links
- 230000005855 radiation Effects 0.000 claims abstract description 23
- 241000239290 Araneae Species 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
- F24F13/084—Grilles, registers or guards with mounting arrangements, e.g. snap fasteners for mounting to the wall or duct
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active 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)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a fan system and an air outlet grid thereof, wherein the air outlet grid comprises a central disc (1), an outer edge (2) and radiation ribs (3) extending from the central disc (1) to the outer edge (2), the radiation ribs (3) are provided with inclined side walls (32) towards the inner side of the air outlet grid, an included angle a is formed between the inclined side walls (32) and the central line of the central disc (1), and the included angle a is reduced from the central disc (1) to the outer edge (2). According to the air outlet grille provided by the invention, after the air outlet grille and the fan are correspondingly arranged, the air outlet angle close to the central disc is larger, and the included angle a at the position is larger; the air outlet angle close to the outer edge is smaller, and the included angle a at the position is smaller. Through the arrangement, the blocking effect of the air outlet grating on the air outlet fluid is effectively reduced, so that the air outlet quantity is improved, and the noise is reduced. And, effectively improved the performance of fan system.
Description
Technical field
The present invention relates to Fan Equipment technical field, particularly a kind of blower fan system and air outlet grate thereof.
Background technology
Existing blower fan system adopts axial flow blower mostly, because the rotating speed of axial flow blower is high, to be sucked or fan blade is touched by people in order to avoid larger foreign matter by blower fan, all can increase the air outlet grate structure of protection before blower fan.
For air-conditioner outdoor unit, in order to promote the heat transfer effect of heat exchanger in air-conditioner outdoor unit, in the one side design ducting system of heat exchanger, forced convection can be carried out by axial flow blower heat exchanger, the heat exchange amount of elevator system.And on the shell of air-conditioner outdoor unit, be provided with air outlet grate, correspondingly with the air side of axial flow blower to arrange.
The air-out fluid of axial flow blower flows out along the circumference of fan blade at a certain angle, and the inboard portion of the radiation rib of air outlet grate is set to acuter angles, so that the entity part of minimizing air outlet grate is to the inhibition of air-out fluid.But the air-out fluid of axial flow blower nonuniform mutation operator, arrange acuter angles and still can there is obstruction to air-out fluid, and then affect air output; The entity part of air-out fluid and air outlet grate is impacted, and produces larger noise, affects the performance of blower fan system.
Therefore, how to improve the performance of air output and blower fan system, reducing noise, is the art personnel problem demanding prompt solutions.
Summary of the invention
In view of this, the invention provides a kind of air outlet grate, to improve the performance of air output and blower fan system, reduce noise.The invention also discloses a kind of blower fan system.
For achieving the above object, the invention provides following technical scheme:
As can be seen from above-mentioned technical scheme, air outlet grate provided by the invention, the radiation rib comprising spider, outer rim and extended to described outer rim by described spider, described radiation rib has sloped sidewall towards the inner side of described air outlet grate, have angle a between the center line of described sloped sidewall and described spider, described angle a is reduced by the direction of described spider to described outer rim.
Preferably, in above-mentioned air outlet grate, described sloped sidewall also comprises the upright side walls with the centerline parallel of described spider, and described upright side walls is connected with described sloped sidewall one end towards the outside of air outlet grate.
Preferably, in above-mentioned air outlet grate, described radiation rib is the arc rib bending along its windward side.
Preferably, in above-mentioned air outlet grate, also comprise the concentric annular rib arranged with described outer rim, described annular rib is connected with described radiation rib.
Preferably, in above-mentioned air outlet grate, the span of described angle a is 20 °-40 °.
Present invention also offers a kind of blower fan system, comprise air outlet grate, described air outlet grate is the air outlet grate as described in above-mentioned any one
Preferably, in above-mentioned blower fan system, the inner side of described air outlet grate has buckle structure, and the installation panel of described blower fan system has the fastening structure matched with described buckle structure.
Preferably, in above-mentioned blower fan system, described fastening structure comprise along described air outlet grate sliding tray circumferentially and be arranged at one end of described sliding tray, for the positioning convex be clasped with described buckle structure.
Preferably, in above-mentioned blower fan system, described buckle structure is positioned in the outer rim of described air outlet grate.
Preferably, in above-mentioned blower fan system, the quantity of described buckle structure is that multiple and along described air outlet grate circumference is evenly arranged.
Air outlet grate provided by the invention, by being reduced by the direction of spider to outer rim by angle a, such that the angle a near spider is comparatively large and angle a near outer rim is less.Air outlet grate is corresponding with blower fan arrange after, the air outlet angle near spider is comparatively large, and the angle a at this place is larger; Air outlet angle near outer rim is less, and the angle a at this place is less.By above-mentioned setting, effectively reduce the inhibition of air outlet grate to air-out fluid, and then improve air output, reduce noise.Further, effectively improve the performance of blower fan system.
Present invention also offers a kind of blower fan system with above-mentioned air outlet grate.Because above-mentioned air outlet grate has above-mentioned technique effect, the blower fan system with above-mentioned air outlet grate also should have same technique effect, introduces no longer in detail at this.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical 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.
The structural representation of the air outlet grate that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the cut-away illustration along A-A face in Fig. 1;
Fig. 3 is the close-up schematic view of part A in Fig. 2;
Fig. 4 is the cut-away illustration along B-B face in Fig. 1;
Fig. 5 is the close-up schematic view of part B in Fig. 4;
The schematic front view of the blower fan system that Fig. 6 provides for the embodiment of the present invention;
The schematic perspective view of the blower fan system that Fig. 7 provides for the embodiment of the present invention;
Fig. 8 is the close-up schematic view of C part in Fig. 7.
Detailed description of the invention
The invention discloses a kind of air outlet grate, to improve the performance of air output and blower fan system, reduce noise.The invention also discloses a kind of blower fan system.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical 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.
Please refer to Fig. 1-Fig. 5, the structural representation of the air outlet grate that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is the cut-away illustration along A-A face in Fig. 1; Fig. 3 is the close-up schematic view of part A in Fig. 2; Fig. 4 is the cut-away illustration along B-B face in Fig. 1; Fig. 5 is the close-up schematic view of part B in Fig. 4.
The air outlet grate that the embodiment of the present invention provides, the radiation rib 3 comprising spider 1, outer rim 2 and extended to outer rim 2 by spider 1, radiation rib 3 has sloped sidewall 32 towards the inner side of air outlet grate, have angle a between the center line of sloped sidewall 32 and spider 1, angle a is reduced by the direction of spider 1 to outer rim 2.
The air outlet grate that the embodiment of the present invention provides, by being reduced by the direction of spider 1 to outer rim 2 by angle a, such that the angle a near spider 1 is comparatively large and angle a near outer rim 2 is less.Air outlet grate is corresponding with blower fan arrange after, the air outlet angle near spider 1 is comparatively large, and the angle a at this place is larger; Air outlet angle near outer rim 2 is less, and the angle a at this place is less.By above-mentioned setting, effectively reduce the inhibition of air outlet grate to air-out fluid, and then improve air output, reduce noise.Further, effectively improve the performance of blower fan system.
Wherein, the numerical value of angle a and variate preferably draw according to CFD (ComputationalFluidDynamics, computational fluid dynamics) simulation calculation.
As shown in Figure 3, sloped sidewall 32 also comprises the upright side walls 31 with the centerline parallel of spider 1, and upright side walls 31 is connected with sloped sidewall 32 one end towards the outside of air outlet grate.By arranging upright side walls 31, the center line that the wind after air outlet grate centrally coils 1 being flowed out, improves the smooth and easy degree of air-out fluid flowing.
Further, radiation rib 3 is the arc rib bending along its windward side.By above-mentioned setting, air-out fluid is flowed out along it under the guiding of radiation rib 3, further increasing the smooth and easy degree of air-out fluid flowing.
In the air outlet grate that the embodiment of the present invention provides, also comprise the concentric annular rib arranged with outer rim 2, annular rib is connected with radiation rib 3.By arranging annular rib, the co-located of multiple radiation rib 3 (position that the distance of distance center dish 1 is identical) being connected by same annular rib, effectively improves the stability maintenance of radiation rib 3.
As Figure 1-Figure 5, according to CFD simulation calculation angle a, so that farthest reduce the windage of radiation rib 3.In the present embodiment, the span of angle a is 20 °-40 °.That is, on the radiation rib 3 of spider 1, angle a is about 40 °; On the radiation rib 3 of outer rim 2, angle a is about 20 °.The variate that effectively prevent angle a is excessive and hinder air-out fluid, reduce further the windage of radiation rib 3.
The embodiment of the present invention additionally provides a kind of blower fan system, comprises air outlet grate, and the air outlet grate of blower fan system is as any one air outlet grate above-mentioned.Because above-mentioned air outlet grate has above-mentioned technique effect, the blower fan system with above-mentioned air outlet grate also should have same technique effect, tires out no longer one by one state at this.
In the present embodiment, as shown in Figure 6, the inner side of air outlet grate has buckle structure 4, and the installation panel 5 of blower fan system has the fastening structure matched with buckle structure 4.By arranging coordinating of buckle structure 4 and fastening structure, avoiding screw and connecting, so that the assembling of air outlet grate.
As shown in Figure 7 and Figure 8, fastening structure comprises sliding tray 51 and positioning convex 52.Along air outlet grate circumferentially, positioning convex 52 is for being clasped with buckle structure 4 for sliding tray 51.Positioning convex 52 is arranged at one end of sliding tray 51.In installation process, buckle structure 4 is stretched into sliding tray 51, rotate air outlet grate, buckle structure 4 is slided along sliding tray 51; Until buckle structure 4 slides into one end of sliding tray 51, be clasped with positioning convex 52, complete coordinating of buckle structure 4 and fastening structure.By arranging sliding tray 51, only need during installation to guarantee that buckle structure 4 stretches into sliding tray 51, can complete being clasped of buckle structure 4 and positioning convex 52 by the rotation of air outlet grate, the aligning and the buckle structure 4 that facilitate air outlet grate are connected with being clasped of fastening structure.
The buckle slot that also only can arrange positioning convex 52 or stretch into for buckle structure 4, to introduce and all within protection domain no longer in detail at this.
For the ease of arranging, buckle structure 4 is positioned in the outer rim 2 of air outlet grate.Certainly, also buckle structure 4 can be arranged on radiation rib 3.Only need to guarantee that buckle structure 4 is positioned at the inner side of air outlet grate, so that coordinate with fastening structure.
The quantity of buckle structure 4 is that multiple and along air outlet grate circumference is evenly arranged.In the present embodiment, the quantity of buckle structure 4 is eight, and the quantity of fastening structure is eight and arranges with buckle structure 4 one_to_one corresponding.By above-mentioned setting, effectively improve the installation stability of air outlet grate.
In the blower fan system that the embodiment of the present invention provides, the inner side of installation panel 5 has air-ducting ring 6, so that be directed on air outlet grate by the air-out of blower fan, further increases air-out volume.
In the present embodiment, blower fan system is air-conditioner outdoor unit.Certainly, can be also other structures, as vertical fan etc. needs the device arranging air outlet grate.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an air outlet grate, the radiation rib (3) comprising spider (1), outer rim (2) and extended to described outer rim (2) by described spider (1), it is characterized in that, described radiation rib (3) has sloped sidewall (32) towards the inner side of described air outlet grate, have angle a between the center line of described sloped sidewall (32) and described spider (1), described angle a is reduced by the direction of described spider (1) to described outer rim (2).
2. air outlet grate as claimed in claim 1, it is characterized in that, described sloped sidewall (32) also comprises the upright side walls (31) with the centerline parallel of described spider (1), and described upright side walls (31) is connected with described sloped sidewall (32) one end towards the outside of air outlet grate.
3. air outlet grate as claimed in claim 1, is characterized in that, described radiation rib (3) is the arc rib bending along its windward side.
4. air outlet grate as claimed in claim 1, it is characterized in that, also comprise the concentric annular rib arranged with described outer rim (2), described annular rib is connected with described radiation rib (3).
5. the air outlet grate as described in any one of claim 1-4, is characterized in that, the span of described angle a is 20 °-40 °.
6. a blower fan system, comprises air outlet grate, it is characterized in that, described air outlet grate is the air outlet grate as described in any one of claim 1-5.
7. blower fan system as claimed in claim 6, it is characterized in that, the inner side of described air outlet grate has buckle structure (4), and the installation panel (5) of described blower fan system has the fastening structure matched with described buckle structure (4).
8. blower fan system as claimed in claim 7, it is characterized in that, described fastening structure comprise along described air outlet grate sliding tray (51) circumferentially and be arranged at one end of described sliding tray (51), for the positioning convex (52) be clasped with described buckle structure (4).
9. blower fan system as claimed in claim 7, it is characterized in that, described buckle structure (4) is positioned in the outer rim (2) of described air outlet grate.
10. the blower fan system as described in any one of claim 7-9, is characterized in that, the quantity of described buckle structure (4) is that multiple and along described air outlet grate circumference is evenly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772614.6A CN105258314B (en) | 2015-11-12 | 2015-11-12 | Fan system and air outlet grille thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772614.6A CN105258314B (en) | 2015-11-12 | 2015-11-12 | Fan system and air outlet grille thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105258314A true CN105258314A (en) | 2016-01-20 |
| CN105258314B CN105258314B (en) | 2018-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510772614.6A Active CN105258314B (en) | 2015-11-12 | 2015-11-12 | Fan system and air outlet grille thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN105258314B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016511A (en) * | 2016-07-14 | 2016-10-12 | 广东美的暖通设备有限公司 | Air outlet hood and air-conditioning outdoor unit equipped with same |
| CN106352514A (en) * | 2016-10-08 | 2017-01-25 | 珠海格力电器股份有限公司 | Air duct assembly of air conditioner and air conditioner |
| CN108731128A (en) * | 2018-06-20 | 2018-11-02 | 广东美的制冷设备有限公司 | Air outlet mesh and air-conditioner outdoor unit |
| WO2020098313A1 (en) * | 2018-11-15 | 2020-05-22 | 珠海格力电器股份有限公司 | Air outlet grille and air purifier |
| CN113834137A (en) * | 2021-09-24 | 2021-12-24 | 珠海格力电器股份有限公司 | Air outlet grille, air conditioner outdoor unit and air conditioner |
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| CN204329267U (en) * | 2014-12-02 | 2015-05-13 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit and air outlet grate thereof |
| CN204717927U (en) * | 2015-05-25 | 2015-10-21 | 广东美的制冷设备有限公司 | Fan assembly and the air-conditioner outdoor unit with it |
| CN205137818U (en) * | 2015-11-12 | 2016-04-06 | 珠海格力电器股份有限公司 | Fan system and air outlet grille thereof |
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| CN201259295Y (en) * | 2008-07-22 | 2009-06-17 | 珠海格力电器股份有限公司 | Novel air outlet grille of air conditioner outdoor unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016511A (en) * | 2016-07-14 | 2016-10-12 | 广东美的暖通设备有限公司 | Air outlet hood and air-conditioning outdoor unit equipped with same |
| CN106352514A (en) * | 2016-10-08 | 2017-01-25 | 珠海格力电器股份有限公司 | Air duct assembly of air conditioner and air conditioner |
| CN108731128A (en) * | 2018-06-20 | 2018-11-02 | 广东美的制冷设备有限公司 | Air outlet mesh and air-conditioner outdoor unit |
| CN108731128B (en) * | 2018-06-20 | 2021-01-22 | 广东美的制冷设备有限公司 | Air outlet mesh enclosure and air conditioner outdoor unit |
| WO2020098313A1 (en) * | 2018-11-15 | 2020-05-22 | 珠海格力电器股份有限公司 | Air outlet grille and air purifier |
| CN113834137A (en) * | 2021-09-24 | 2021-12-24 | 珠海格力电器股份有限公司 | Air outlet grille, air conditioner outdoor unit and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN105258314B (en) | 2018-09-07 |
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