CN205372948U - Air fairing and air conditioner - Google Patents
Air fairing and air conditioner Download PDFInfo
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- CN205372948U CN205372948U CN201521132257.9U CN201521132257U CN205372948U CN 205372948 U CN205372948 U CN 205372948U CN 201521132257 U CN201521132257 U CN 201521132257U CN 205372948 U CN205372948 U CN 205372948U
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Abstract
The utility model discloses an air fairing, this air fairing include rectification dog and wind channel spiral case, the free tubular wine wheel of transferring the ware of holding in the spiral case of wind channel, this wind channel spiral case be including the lower frame and the last frame that constitute the air conditioner wind channel, the tubular wine wheel of air conditioner was introduced to the wind channel spiral case air flow guide flows to the air outlet, the rectification dog set up in the both ends that are close to air outlet department on the lower frame, the rectification dog includes that the multirow is the wedge structure that the cusp was arranged. The utility model discloses still disclose an air conditioner. The utility model discloses the scheme can be local the velocity of flow of promotion eluting gas, prevent to produce the instability who flows, simultaneously when the backward flow possibly leaded to surging, the rectification dog can block the backward flow air current again, had reduced the sound of panting that gas reflux produced, and then restrained the pulsation sound of surging, had solved the air conditioner and the surge technical problem of sound of pulsation had appeared, simultaneously, had still solved the problem of the condensation of rectification dog own.
Description
Technical field
This utility model relates to air-conditioning technical field, particularly to a kind of air fairing and air-conditioner.
Background technology
Common separated wall hanging type air conditioner (tubular wine wheel), when having some on-hooks to take into account refrigeration, wind energy is as far as possible toward blowing up, when heating, wind energy is toward blowing down, the wind simultaneously preventing air outlet is back to air inlet, when designing air outlet duct, conscious pressing under the molded line of air outlet upper end, in air outlet direction, air outlet diffuser low bottom-disc can form the low regime of relative other positions of air outlet.After long-term use, on drainage screen, meeting laying dust, causes that air intake resistance increases, and air intake has some setbacks；Simultaneously under refrigerating state, due to meeting hydrops on evaporator fin, cause that air intake resistance increases, air intake has some setbacks, falling sharply under air quantity compared with normal state during with rotating speed, local wind speed is too small, and part low regime is not enough to overcome air channel inside static pressure, gas backstreaming outside air outlet enters the generation that then can cause pulsation surge sound in air outlet, and the use sense affecting user is subject to.
Utility model content
Main purpose of the present utility model is to provide a kind of air fairing and air-conditioner, it is intended to the unstability preventing gas from producing flowing from air outlet when flowing out, avoid the gas backstreaming outside air outlet to enter to cause in air outlet pulsation surge sound simultaneously, the use sense promoting user is subject to, meanwhile, the problem producing condensation can be eliminated.
For achieving the above object, a kind of air fairing that the utility model proposes, this air fairing includes rectification block and air-duct spiral case, the tubular wine wheel of air-conditioner it is equipped with in described air-duct spiral case, this air-duct spiral case includes the lower frame and the upper side frame that constitute air-conditioned wind tunnel, the air-flow that the tubular wine wheel of air-conditioner is introduced by described air-duct spiral case guides to air outlet outflow, described rectification block is arranged on described lower frame near the two ends at air outlet place, and described rectification block includes multiple rows of wedge structure in tooth-like formation.
Preferably, described rectification block is two rows is the wedge structure of tooth-like formation, and air-flow is entered by the gap of first row wedge structure, flows out via the gap of second row wedge structure.
Preferably, each tooth front end of described first row wedge structure is set to arc convex surface, and rear end is set to plane, and the gap between each two tooth front end is more than the gap between each two tooth rear end；Air-flow is entered by the gap between two tooth front ends of described first row wedge structure, flows out from the gap between two tooth rear ends of described first row wedge structure.
Preferably, the front-end and back-end of each tooth of described second row wedge structure are set to arc convex surface, and the sectional area of the arc convex surface of the front end of each tooth is less than the sectional area of the arc convex surface of the rear end of each tooth.
Preferably, each tooth nose width of described second row wedge structure is less than the gap between each two tooth rear end of first row wedge structure, and each tooth rear end width of described second row wedge structure is more than the gap between each two tooth rear end of first row wedge structure.
Preferably, the ratio between the gap between gap and each two tooth rear end between each two tooth front end of described first row wedge structure is 1.5～2.
Preferably, the height of each tooth of described first row wedge structure is identical with the height of each tooth of described second row wedge structure.
Preferably, described rectification block is fixing with described lower frame is connected or one-body molded.
In addition, this utility model also provides for a kind of air-conditioner, described air-conditioner includes air fairing and tubular wine wheel, described tubular wine wheel is arranged in the air-duct spiral case of this air fairing, this tubular wine wheel introduces external air flow, and by described air-duct spiral case external air flow is drained to the upper side frame of this air-duct spiral case and the air outlet in air channel that lower frame is constituted blows out.
This utility model arranges rectification block by the two ends at air outlet place close on lower frame, this rectification block is set to include multiple rows of wedge structure in tooth-like formation, when air-flow forward goes out air outlet, rectification block can the flow velocity of local lifting eluting gas, prevent the unstability of flowing, and the windward side of first row wedge structure wind is led second row wedge structure by wind side, under cooling situations, the back side condensation of the windward side even eliminating first row wedge structure can be weakened, construction features due to second row wedge structure itself, himself is then not likely to produce condensation problem；When there being backflow to be likely to result in surge, rectification block can stop again reflux airflow, decreases the whoop that gas backstreaming produces, and then inhibits pulsation surge sound, solves air-conditioner and the technical problem of pulsation surge sound occur.
Accompanying drawing explanation
Fig. 1 is the generalized section of this utility model air fairing one embodiment；
Fig. 2 is the schematic cross-section of this utility model air fairing；
Fig. 3 is that in this utility model one embodiment, air-out seasonal epidemic pathogens stream flows to schematic diagram through air fairing；
Fig. 4 is that in this utility model one embodiment, return air seasonal epidemic pathogens stream flows to schematic diagram through air fairing；
Fig. 5 is the position relationship schematic diagram of this utility model one embodiment air fairing and air-conditioner；
Fig. 6 is the enlarged diagram at A place in Fig. 5.
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 | First row wedge structure 11 | Second row wedge structure 12 |
The realization of this utility model purpose, 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 this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Need explanation, in this utility model embodiment, directional instruction (such as up, down, left, right, before and after ...) is only for explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if this particular pose changes, then directionality instruction also correspondingly changes therewith.
It addition, relate to the description of " first ", " second " etc. in this utility model only for descriptive purposes, and it is not intended that instruction or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.Additionally; technical scheme between each embodiment can be combined with each other; but must be based on those of ordinary skill in the art are capable of; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme is absent from, also not this utility model require protection domain within.
The utility model proposes a kind of air fairing, see figures.1.and.2, this air fairing includes rectification block 1 and air-duct spiral case 2, the tubular wine wheel 10 of air-conditioner it is equipped with in air-duct spiral case 2, this air-duct spiral case 2 includes the lower frame 21 and the upper side frame 22 that constitute air-conditioned wind tunnel, the air outlet W that the air-flow that the tubular wine wheel 10 of air-conditioner is introduced by air-duct spiral case 2 guides to air channel flows out, described rectification block 1 is arranged on described lower frame 21 near the two ends at air outlet place, and described rectification block 1 includes multiple rows of wedge structure in tooth-like formation.
Air-duct spiral case 2 is by mounted therein for tubular wine wheel 10, tubular wine wheel 10 is carried out drain (as shown in Fig. 1 air current flow direction F) from the air-flow of extraneous suction by the inwall of air-duct spiral case 2, major part air-flow circulation is flowed out to air conditioner wind outlet W, and fraction air-flow is again introduced into the circulation of air flow in air-duct spiral case 2 from the snail tongue walking around upper side frame 22 end.Described rectification block 1 is arranged on described lower frame 21 near the two ends at air outlet place, when gas from tubular wine wheel out, when forward goes out air outlet, rectification block 1 can improve the exhaust flow path of cross flow fan, so that the local promoting flowing is accelerated, prevent the unstability of flowing simultaneously；When there being backflow to be likely to result in surge, this rectification block 1 can stop again reflux airflow, can reduce the whoop that gas backstreaming produces, thus reducing the noise of air-conditioning.
The present embodiment arranges rectification block 1 by the two ends at air outlet place close on lower frame 21, this rectification block 1 is set to include multiple rows of wedge structure in tooth-like formation, when air-flow forward goes out air outlet, rectification block 1 can the flow velocity of local lifting eluting gas, prevent the unstability of flowing, and the windward side of first row wedge structure 11 wind is led second row wedge structure 12 by wind side, under cooling situations, the back side condensation of the windward side even eliminating first row wedge structure 11 can be weakened, construction features due to second row wedge structure 12 itself, himself is then not likely to produce condensation problem；When there being backflow to be likely to result in surge, rectification block 1 can stop again reflux airflow, decreases the whoop that gas backstreaming produces, and then inhibits pulsation surge sound, solves air-conditioner and the technical problem of pulsation surge sound occur.
Further, with reference to Fig. 3 and Fig. 4, described rectification block 1 is two rows is the wedge structure of tooth-like formation, when gas from tubular wine wheel out, when forward goes out air outlet, air-flow is entered by the gap of first row wedge structure 11, and flows out via the gap of second row wedge structure 22.In the present embodiment, each tooth front end of described first row wedge structure 11 is set to arc convex surface, and rear end is set to plane, when air-flow is entered by first row wedge structure 11, arc convex surface can be easy to gas and flow into, and as there is gas backstreaming, then can stop that air-flow enters by the plane of tooth rear end.Gap between each two tooth front end of first row wedge structure 11 is set greater than the gap of each two tooth rear end, as shown in Figure 2, gap between each two tooth front end is expressed as d1, gap between each two tooth rear end is expressed as d2, d1 > d2, air-flow is entered by the gap d 1 between two tooth front ends of described first row wedge structure 11, flow out from the gap d 2 between two tooth rear ends of described first row wedge structure 11, owing to the gap of gas entrance is more than the gap flowed out, gas through over commutation block 1 time, can the flow velocity of local lifting eluting gas；In the present embodiment, when having considered air quantity and efficiency, the ratio between the gap between the gap between each two tooth front end of first row wedge structure and each two tooth rear end is set to 1.5～2, i.e. 1.5 < d1/d2 < 2.
Further, the front-end and back-end of each tooth of described second row wedge structure 12 are set to arc convex surface, and the sectional area of the arc convex surface of the front end of each tooth is less than the sectional area of the arc convex surface of the rear end of each tooth；Each tooth nose width of described second row wedge structure 12 is less than the gap between each two tooth rear end of first row wedge structure 11, and each tooth rear end width of described second row wedge structure 12 is more than the gap between each two tooth rear end of first row wedge structure 11.
During air-out, with reference to Fig. 3, flow out from tubular wine wheel air-flow out from gap d 1 and the d2 of described first row wedge structure 11, and indoor can be expelled to smoothly through the backlash of second row wedge structure 12, additionally, due to d1 > d2, therefore can the flow velocity of local lifting eluting gas；And when there being gas backstreaming to be likely to result in surge, with reference to Fig. 4, owing to the sectional area of arc convex surface of tooth rear end of second row wedge structure 12 is more than the sectional area of the arc convex surface of tooth front end, and each tooth rear end width of second row wedge structure 12 is more than the gap between each two tooth rear end of first row wedge structure 11, therefore the whoop that gas backstreaming produces reflux airflow can be stopped, thus can be reduced.
In this utility model embodiment, preferably the height of the height of each tooth of first row wedge structure 11 Yu each tooth of described second row wedge structure 12 is set to identical, certainly, in other embodiments of the present utility model, contemplate air quantity and other practical factors, it is also possible to carry out other targetedly and arrange.Specifically, according to flowing into the volume flow of rectification block 1 and the constant Q of volume flow flowing out rectification block 1Enter=QGo out, i.e. d1*H*VIN=d2*H1*VOUT, obtain VOUT/VIN=(d1/d2) * (H/H1), and owing to gas is through the entrance area (S of over commutation block 1IN=d1*H) more than the area (S flowed outOUT=d2*H1), due to H=H1, d1 > d2, it is known that VOUT>VIN；Therefore, when air is expelled to indoor by rectification block 1, by the two of rectification block 1 row's wedge structures, can change exhaust flow path, and can the flow velocity of local lifting eluting gas, use pneumatic pressure and strengthen, the static pressure produced by tubular wine wheel just can be overcome when the dynamic pressure of gas increases to sufficiently large, simultaneously because the structure of rectification block 1, just can stop airflow reflux when gas backstreaming, thus suppressing the gas backstreaming outside air outlet to enter in air outlet.
In addition, rectification block 1 is fixing with lower frame 21 to be connected or one-body molded, namely rectification block 1 can directly be fixedly connected on the two ends of lower frame 21 length direction, or rectification block 1 structure is directly accomplished on mould, when injection moulding lower frame 21 in the lump by rectification block 1 injection mo(u)lding, it is easy to simplify manufacturing process, improves production efficiency.
This utility model also proposes a kind of air-conditioner, this air-conditioner is preferably Split wall-mounted type air conditioner, with reference to Fig. 5 and Fig. 6, air-conditioner includes 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 introduces the air outlet W blowout in the air channel that external air flow is drained to the upper side frame 22 of this air-duct spiral case 2 by air-duct spiral case 2 and lower frame 21 is constituted.Owing to this air-conditioner have employed the above-mentioned whole technical schemes leading all embodiments of air fairing, therefore, at least having all beneficial effects that the technical scheme of above-mentioned air fairing embodiment is brought, this is no longer going to repeat them.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; it is every under utility model of the present utility model is conceived; utilize the equivalent structure transformation that this utility model description and accompanying drawing content are made, or directly/be indirectly used in other relevant technical fields and be included in scope of patent protection of the present utility model.
Claims (9)
1. an air fairing, it is characterized in that, this air fairing includes rectification block and air-duct spiral case, the tubular wine wheel of air-conditioner it is equipped with in described air-duct spiral case, this air-duct spiral case includes the lower frame and the upper side frame that constitute air-conditioned wind tunnel, the air-flow that the tubular wine wheel of air-conditioner is introduced by described air-duct spiral case guides and flows out to air outlet, and described rectification block is arranged on described lower frame near the two ends at air outlet place, and described rectification block includes multiple rows of wedge structure in tooth-like formation.
2. air fairing as claimed in claim 1, it is characterised in that described rectification block is two rows is the wedge structure of tooth-like formation, and air-flow is entered by the gap of first row wedge structure, flows out via the gap of second row wedge structure.
3. air fairing as claimed in claim 2, it is characterised in that each tooth front end of described first row wedge structure is set to arc convex surface, and rear end is set to plane, and the gap between each two tooth front end is more than the gap between each two tooth rear end；Air-flow is entered by the gap between two tooth front ends of described first row wedge structure, flows out from the gap between two tooth rear ends of described first row wedge structure.
4. air fairing as claimed in claim 3, it is characterized in that, the front-end and back-end of each tooth of described second row wedge structure are set to arc convex surface, and the sectional area of the arc convex surface of the front end of each tooth is less than the sectional area of the arc convex surface of the rear end of each tooth.
5. air fairing as claimed in claim 4, it is characterized in that, each tooth nose width of described second row wedge structure is less than the gap between each two tooth rear end of first row wedge structure, and each tooth rear end width of described second row wedge structure is more than the gap between each two tooth rear end of first row wedge structure.
6. air fairing as claimed in claim 5, it is characterised in that the ratio between the gap between gap and each two tooth rear end between each two tooth front end of described first row wedge structure is 1.5～2.
7. air fairing as claimed in claim 6, it is characterised in that the height of each tooth of described first row wedge structure is identical with the height of each tooth of described second row wedge structure.
8. the air fairing as described in any one of claim 1 to 7, it is characterised in that described rectification block is fixing with described lower frame to be connected or one-body molded.
9. an air-conditioner, it is characterized in that, described air-conditioner includes the air fairing described in claim 1 to 8 any one and tubular wine wheel, described tubular wine wheel is arranged in the air-duct spiral case of this air fairing, this tubular wine wheel introduces external air flow, and by described air-duct spiral case external air flow is drained to the upper side frame of this air-duct spiral case and the air outlet in air channel that lower frame is constituted blows out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132257.9U CN205372948U (en) | 2015-12-30 | 2015-12-30 | Air fairing and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132257.9U CN205372948U (en) | 2015-12-30 | 2015-12-30 | Air fairing and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN205372948U true CN205372948U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521132257.9U Active CN205372948U (en) | 2015-12-30 | 2015-12-30 | Air fairing and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444388A (en) * | 2015-12-30 | 2016-03-30 | 美的集团武汉制冷设备有限公司 | Air fairing device and air conditioner |
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2015
- 2015-12-30 CN CN201521132257.9U patent/CN205372948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444388A (en) * | 2015-12-30 | 2016-03-30 | 美的集团武汉制冷设备有限公司 | Air fairing device and air conditioner |
| CN105444388B (en) * | 2015-12-30 | 2018-03-30 | 美的集团武汉制冷设备有限公司 | Air fairing and air conditioner |
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