CN105546782A - Air rectification device and air conditioner - Google Patents
Air rectification device and air conditioner Download PDFInfo
- Publication number
- CN105546782A CN105546782A CN201511024826.2A CN201511024826A CN105546782A CN 105546782 A CN105546782 A CN 105546782A CN 201511024826 A CN201511024826 A CN 201511024826A CN 105546782 A CN105546782 A CN 105546782A
- Authority
- CN
- China
- Prior art keywords
- air
- lower frame
- rectification block
- fairing
- spiral case
- 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.)
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
-
- 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)
- Duct Arrangements (AREA)
Abstract
The invention discloses an air rectification device. The air rectification device comprises a rectification stop block and an air duct volute, wherein a through-flow wind wheel of an air conditioner is accommodated in the air duct volute, the air duct volute comprises a lower frame and an upper frame which constitute an air duct of the air conditioner, air flow introduced by the through-flow wind wheel of the air conditioner is guided by the air duct volute to an air outlet to flow out, and the rectification stop block is arranged in the position, close to the air outlet, of the lower frame. With the adoption of the air rectification device, air outside the air outlet is inhibited from flowing back to the air outlet, so that the pulsation surging sound is inhibited, and the technical problem that air conditioners have the pulsation surging sound is solved.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of air fairing and air-conditioner.
Background technology
When the separated wall hanging type air conditioner that part is equipped with tubular wine wheel is in order to take into account refrigeration, wind energy is as far as possible toward blowing up, when heating, air outlet upper end molded line, toward blowing down, when designing air outlet duct, consciously to press down by wind energy, but for keeping the air-out expansion segment angle of flare, air outlet lower end molded line also can consciously press down, and in air outlet direction, air outlet diffuser low bottom-disc can form the low regime of relative other positions of air outlet; Particularly after air-conditioner Long-Time Service, screen pack laying dust, or under air-conditioner refrigerating state, evaporator fin ponding, air intake resistance all can be caused to increase, and air intake has some setbacks, and during with rotating speed, can fall sharply under air quantity compared with normal state; Thus causing local, air conditioner air-out region wind speed too small, part low regime is not enough to overcome air channel inside static pressure, and the gas backstreaming produced outside air port enters in air outlet to cause the generation of pulsation surge sound.
Summary of the invention
Main purpose of the present invention is to provide a kind of air fairing and air-conditioner, is intended to the technical problem solving air-conditioner appearance pulsation surge sound.
For achieving the above object, the embodiment of the present invention provides a kind of air fairing, this air fairing comprises rectification block and air-duct spiral case, the tubular wine wheel of air-conditioner is equipped with in described air-duct spiral case, this air-duct spiral case comprises the lower frame and upper side frame that form air-conditioned wind tunnel, the air-flow that the tubular wine wheel of air-conditioner is introduced is guided to air outlet and flows out by described air-duct spiral case, and described rectification block is arranged on described lower frame near air outlet place.
Preferably, the cross section of described rectification block is arc.
Preferably, described rectification block is inner concave arc surface towards the one side of described air-duct spiral case inside.
Preferably, the inner concave arc surface of described rectification block and the plane tangent of described lower frame.
Preferably, based on the low regime of angle determination air-conditioner on this lower frame of described lower frame and upper side frame, described rectification block is arranged in this low regime.
Preferably, described low regime cross section is triangle, the point of contact that the inner concave arc surface of described rectification block is tangent with lower frame overlaps with the boundary point of described low regime away from air outlet, the inner concave arc surface of described rectification block overlaps with eccentric arc, this eccentric arc is with the center of the eccentric vortex of air-conditioned wind tunnel for the center of circle, with this center of circle to low regime away from the distance of the boundary point of air outlet for radius institute camber.
Preferably, the inner concave arc surface peak of described rectification block is more than or equal to the distance of described low regime peak to lower frame to the distance of lower frame.
Preferably, described rectification block is multiple, and this rectification block is located at described lower frame two ends along its length.
Preferably, described rectification block is fixedly connected with described lower frame or one-body molded.
The embodiment of the present invention also provides a kind of air-conditioner, described air-conditioner comprises above-mentioned air fairing and tubular wine wheel, described tubular wine wheel is arranged in the air-duct spiral case of this air fairing, and this tubular wine wheel is introduced external air flow and is drained to by described air-duct spiral case the air outlet blowout that the upper side frame of this air-duct spiral case and lower frame form.
The present invention goes out to arrange rectification block by the lower frame at air fairing near air outlet, rectification block is arranged on the air-out direction of air-conditioner, thus air outlet cross section is blocked by rectification block, reduce the air-out cross section of air outlet, the local lifting flow velocity of eluting gas, use pneumatic pressure to strengthen, thus air-out dynamic pressure is larger just can overcome larger airflow reflux static pressure, thus the outer gas backstreaming of suppression air outlet is in air outlet, and then inhibit pulsation surge sound, thus solve the technical problem of air-conditioner appearance pulsation surge sound.
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, the structure according to these accompanying drawings can also obtain other accompanying drawing.
Fig. 1 is air fairing section first schematic diagram of the present invention;
Fig. 2 is air fairing section second schematic diagram of the present invention;
Fig. 3 is the partial schematic diagram of air fairing of the present invention;
Fig. 4 is the position relationship schematic diagram of this air-conditioning fairing and air-conditioner in air-conditioning fairing one embodiment of the present invention.
Drawing reference numeral illustrates:
| Rectification block 1 | Air-duct spiral case 2 | Lower frame 21 | Upper side frame 22 |
| Tubular wine wheel 10 | Wind direction F | Center of vorticity O | Air outlet W |
| Low regime S | Boundary point P |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
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 a part of embodiment of the present invention, 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.
Need explanation, all directionality instruction (such as up, down, left, right, before and afters in the embodiment of the present invention ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, relate to the description of " first ", " second " etc. in the present invention only for describing object, and instruction can not be interpreted as or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In addition; technical scheme between each embodiment can be combined with each other; but must be can be embodied as basis with those of ordinary skill in the art; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exist, also not within the protection domain of application claims.
The present invention proposes a kind of air fairing, with reference to Fig. 2 and Fig. 3, this air fairing comprises rectification block 1 and air-duct spiral case 2, the tubular wine wheel 10 of air-conditioner is equipped with in air-duct spiral case 2, this air-duct spiral case 2 comprises the lower frame 21 and upper side frame 22 that form air-conditioned wind tunnel, the air outlet W that the air-flow that the tubular wine wheel 10 of air-conditioner is introduced is guided to air channel by air-duct spiral case 2 flows out, and rectification block 1 is arranged on lower frame 21 near air outlet W place.
Tubular wine wheel 10 is installed on its inside by air-duct spiral case 2, the inwall of air-duct spiral case 2 carries out drainage (as shown in Fig. 2 air current flow direction F) to tubular wine wheel 10 from the air-flow of external suction, the circulation of major part air-flow is flowed out to air-conditioned wind tunnel air outlet W, and fraction air-flow enters the airflow circulating in air-duct spiral case 2 again from the whirlpool tongue walking around upper side frame 22 end.Rectification block 1 is arranged near air outlet place on lower frame 21, and namely rectification block 1 is arranged on the air-out direction of air-conditioner, and the cross section of this rectification block 1 can be arbitrary shape, such as square, outer convex, indent arc etc.With reference to Fig. 4, this rectification block 1 is one, and this rectification block 1 is for being located at lower frame 21 surface and the overall continuous print strip block extended along the length direction of this lower frame 21; Rectification block 1 is multiple, and this rectification block 1 is located at lower frame 21 two ends alongst.
In the present embodiment, go out to arrange rectification block 1 by the lower frame 21 at air fairing near air outlet W, rectification block 1 is arranged on the air-out direction of air-conditioner, thus air outlet W air-out cross section is blocked by rectification block 1, reduce the air-out cross section of air outlet W, the local lifting flow velocity of eluting gas, use pneumatic pressure to strengthen, thus air-out dynamic pressure is larger just can overcome larger airflow reflux static pressure, thus suppress the outer gas backstreaming of air outlet W in air outlet W, and then inhibit pulsation surge sound, thus solve the technical problem of air-conditioner appearance pulsation surge sound.
Further, with reference to Fig. 2 and Fig. 3, the cross section of rectification block 1 is arc, when airflow passes rectification block 1 position, the rectification block 1 of arc makes air-flow change direction more soft, the change in flow of blowout air-flow is more mild, avoids occurring abnormal sound because sharply changing through air outlet blowout air-flow velocity.
Preferably, rectification block 1 is inner concave arc surface towards the one side of air-duct spiral case inside, namely the side that rectification block 1 is highly lower is inner towards air-duct spiral case 2, deviate from mutually with air-out direction, the side that this rectification block 1 is highly higher is consistent with air-out direction, thus alleviate the air-flow wind speed generation drastic change flowing through rectification block 1 further, weaken abnormal sound appears in air-out air-flow intensity because air-flow velocity sharply changes further.Alternatively, the inner concave arc surface of rectification block 1 and the plane tangent of lower frame, the air-flow flowing through rectification block 1 can enter on its inner concave arc surface by non-resistance, thus alleviate the air-flow wind speed generation drastic change flowing through rectification block 1 further, improve the structural stability of air fairing, also reduce intensity and probability that abnormal sound occurs.
Further, see figures.1.and.2, based on the low regime S of angle determination air-conditioner on this lower frame 21 of lower frame 21 and upper side frame 22, rectification block 1 is arranged in the S of this low regime.
Formed by the lower frame 21 of low regime and air-duct spiral case 1 and upper side frame 22, angle is relevant, and the scope of the larger then low regime of this angle is larger.Particularly, by probe velocimetry on lower frame 21, the particularly two ends of lower frame 21 length direction, air-out direction on detection draw low regime S (gas flow rate is less than preset value and is called low speed), rectification block 1 is arranged in the S of this low regime, preferably, the coverage of rectification block 1 is slightly larger than the coverage of low regime S, thus the air-flow of rectification block 1 couple of low regime S raises speed comprehensively, guarantee can not reflux after flowing through all air-flows outflow air outlet W of low regime S further.
Preferably, with reference to Fig. 2, low regime S cross section is triangle, the point of contact that the inner concave arc surface of rectification block 1 is tangent with lower frame 21 overlaps away from the boundary point P of air outlet W with low regime S, the inner concave arc surface of rectification block 1 overlaps with eccentric arc, this eccentric arc is with the center O of the eccentric vortex of air-conditioned wind tunnel for the center of circle, with this center of circle to low regime S away from the distance of the boundary point P of air outlet for radius institute camber.In addition, inner concave arc surface is greater than the distance of low regime S apogee distance lower frame 21 away from the distance of the end distance lower frame 21 of boundary point P (i.e. inner concave arc surface peak).Adopt this scheme, rectification block 1, to the gas flow speeding best results flowing through low regime S, is eliminated or alleviates surge phenomenon the best.
In addition, rectification block is fixedly connected with lower frame or one-body molded, namely rectification block directly can be fixedly connected on the two ends of lower frame length direction, or rectification stop block structure is directly accomplished on mould, when injection moulding lower frame in the lump by the injection mo(u)lding of rectification block, be convenient to simplified manufacturing technique, enhance productivity.
The present invention also proposes a kind of air-conditioner, this air-conditioner is preferably Split wall-mounted type air conditioner, with reference to Fig. 1, this air-conditioner comprises above-mentioned air fairing and tubular wine wheel 10, tubular wine wheel 10 is arranged in the air-duct spiral case 2 of this air fairing, and this tubular wine wheel 10 is introduced external air flow and is drained to by air-duct spiral case 2 the air outlet W that the upper side frame 22 of this air-duct spiral case 2 and lower frame 21 form and blows out.Because this air-conditioner have employed the above-mentioned whole technical schemes leading all embodiments of air fairing, therefore, all beneficial effects that the technical scheme at least with above-mentioned air fairing embodiment is brought, this is no longer going to repeat them.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every under inventive concept of the present invention; utilize the equivalent structure transformation that description of the present invention and accompanying drawing content are done, or directly/be indirectly used in other relevant technical fields to include in scope of patent protection of the present invention.
Claims (10)
1. an air fairing, it is characterized in that, this air fairing comprises rectification block and air-duct spiral case, the tubular wine wheel of air-conditioner is equipped with in described air-duct spiral case, this air-duct spiral case comprises the lower frame and upper side frame that form air-conditioned wind tunnel, the air-flow that the tubular wine wheel of air-conditioner is introduced is guided to air outlet and flows out by described air-duct spiral case, and described rectification block is arranged on described lower frame near air outlet place.
2. air fairing as claimed in claim 1, it is characterized in that, the cross section of described rectification block is arc.
3. air fairing as claimed in claim 2, it is characterized in that, described rectification block is inner concave arc surface towards the one side of described air-duct spiral case inside.
4. air fairing as claimed in claim 3, is characterized in that, the inner concave arc surface of described rectification block and the plane tangent of described lower frame.
5. air fairing as claimed in claim 4, is characterized in that, based on the low regime of angle determination air-conditioner on this lower frame of described lower frame and upper side frame, described rectification block is arranged in this low regime.
6. air fairing as claimed in claim 5, it is characterized in that, described low regime cross section is triangle, the point of contact that the inner concave arc surface of described rectification block is tangent with lower frame overlaps with the boundary point of described low regime away from air outlet, the inner concave arc surface of described rectification block overlaps with eccentric arc, this eccentric arc is with the center of the eccentric vortex of air-conditioned wind tunnel for the center of circle, with this center of circle to low regime away from the distance of the boundary point of air outlet for radius institute camber.
7. air fairing as claimed in claim 6, is characterized in that, the inner concave arc surface peak of described rectification block is more than or equal to the distance of described low regime peak to lower frame to the distance of lower frame.
8. the air fairing as described in claim 1 to 7 any one, is characterized in that, described rectification block is multiple, and this rectification block is located at described lower frame two ends along its length.
9. the air fairing as described in claim 1 to 7 any one, is characterized in that, described rectification block is fixedly connected with described lower frame or one-body molded.
10. an air-conditioner, it is characterized in that, described air-conditioner comprises air fairing described in claim 1 to 9 any one and tubular wine wheel, described tubular wine wheel is arranged in the air-duct spiral case of this air fairing, and this tubular wine wheel is introduced external air flow and is drained to by described air-duct spiral case the air outlet blowout that the upper side frame of this air-duct spiral case and lower frame form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024826.2A CN105546782B (en) | 2015-12-30 | 2015-12-30 | Air fairing and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024826.2A CN105546782B (en) | 2015-12-30 | 2015-12-30 | Air fairing and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105546782A true CN105546782A (en) | 2016-05-04 |
| CN105546782B CN105546782B (en) | 2018-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511024826.2A Active CN105546782B (en) | 2015-12-30 | 2015-12-30 | Air fairing and air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN105546782B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506351A (en) * | 2018-11-28 | 2019-03-22 | 奥克斯空调股份有限公司 | Air channel structure and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002106944A (en) * | 2000-09-29 | 2002-04-10 | Matsushita Electric Ind Co Ltd | Rectifier plate integrally formed blow-off grill |
| JP2007205641A (en) * | 2006-02-02 | 2007-08-16 | Max Co Ltd | Air blower |
| CN101509506A (en) * | 2008-07-10 | 2009-08-19 | 吉林大学 | Bionic coupling noise elimination noise reduction spiral tougue |
| CN104697058A (en) * | 2015-02-13 | 2015-06-10 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner and control method of indoor unit |
| CN205316620U (en) * | 2015-12-30 | 2016-06-15 | 美的集团武汉制冷设备有限公司 | Air fairing and air conditioner |
-
2015
- 2015-12-30 CN CN201511024826.2A patent/CN105546782B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002106944A (en) * | 2000-09-29 | 2002-04-10 | Matsushita Electric Ind Co Ltd | Rectifier plate integrally formed blow-off grill |
| JP2007205641A (en) * | 2006-02-02 | 2007-08-16 | Max Co Ltd | Air blower |
| CN101509506A (en) * | 2008-07-10 | 2009-08-19 | 吉林大学 | Bionic coupling noise elimination noise reduction spiral tougue |
| CN104697058A (en) * | 2015-02-13 | 2015-06-10 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner and control method of indoor unit |
| CN205316620U (en) * | 2015-12-30 | 2016-06-15 | 美的集团武汉制冷设备有限公司 | Air fairing and air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506351A (en) * | 2018-11-28 | 2019-03-22 | 奥克斯空调股份有限公司 | Air channel structure and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN105546782B (en) | 2018-09-04 |
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