CN1137355C - Induced cyclone air-supplying outlet - Google Patents
Induced cyclone air-supplying outlet Download PDFInfo
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- CN1137355C CN1137355C CNB01113092XA CN01113092A CN1137355C CN 1137355 C CN1137355 C CN 1137355C CN B01113092X A CNB01113092X A CN B01113092XA CN 01113092 A CN01113092 A CN 01113092A CN 1137355 C CN1137355 C CN 1137355C
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- inner core
- urceolus
- cylinder
- diameter
- secondary wind
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Abstract
The present invention relates to an induced rotational flow air-supply outlet which is composed of an inner cylinder, an outer cylinder, a secondary air inlet cylinder, a tapered cap, a stock cap, etc., wherein the outer cylinder is a cylinder body; the inner cylinder is composed of the cylinder body and an inverted round platform cylinder body, and an annular space between the inner cylinder and the outer cylinder is divided into a plurality of bar-shaped channels 6 which are orderly parallel and inclined to an axial direction by a plurality of small partition plates; bar-shaped orifices are arranged on the walls of the inner cylinder and the outer cylinder; the secondary air inlet cylinder is sheathed outside the outer cylinder; the stock cap is embedded in the secondary air inlet cylinder, covered at the upper end of the outer cylinder, and is parallel to a raised floor. Primary air enters in an axial direction to form rotary airflow so as to generate negative pressure, so that secondary air is sucked into the inner cylinder from the bar-shaped orifice through the stock cap and the secondary air inlet cylinder. After being mixed, the primary air and the secondary air are jetted reelingly.
Description
Technical field:
What the present invention relates to is the cyclonic air outlet that is used for each air-conditioned room in a kind of central air-conditioning, particularly is suitable for the induced cyclone air-supplying outlet in under-floor air distribution air-conditioning room, belongs to Building Environment and Equipment Engineering and Refrigeration Engineering technical field.
Background technology:
The developing direction of modern air conditioning is good indoor air quality and lower energy consumption.Reach this purpose, suitable air current composition form is essential.Following air-supply is exactly the wind pushing form that satisfies above-mentioned two conditions that development in recent years is got up, but its air current composition effect air-supply arrangement terminal with it (air outlet) has much relations, and this just need be optimized terminal air-supply arrangement.
The following air-supply spiral-flow type air outlets that adopt more.In prior art, swirl diffuser has a lot of forms, and more representational is the inner guiding type swirl diffuser of development such as Ma Renmin, and china national practical new-type patent has been obtained in this air port, and the patent No. is 91203761.X.This air port is made up of inside and outside tube, and the annular space between inside and outside is divided into the strip channel of several and axioversion, and has the bar shaped hole on inside and outside barrel, and the inner core bottom is sealed by a tapered cap.One time wind forms swirling eddy by axially entering, owing to produce negative pressure, secondary wind enters inner core by the bar shaped hole, at last by outlet air end rotation ejection.Because general tapered cap resistance is big, so a wind air quantity is less than normal; Strip channel and bar shaped hole direct and axioversion make that the secondary air resistance is big, and air output is low, thereby makes induction ratio low.And for secondary wind can be entered, generally outstanding ground, air port during installation perhaps in order to make not outstanding ground, air port, need fix by special pallet, but the former has influenced the use of room functions, and the latter causes installing complicated again.
Summary of the invention:
The present invention seeks to deficiency and defective in order to overcome prior art, design a kind of simple in structure, induction ratio is high, air quantity is big, resistance is little, installation is simple, convenient, be applicable to the induced cyclone air-supplying outlet that under-floor air distribution air-conditioning uses.
For achieving the above object, technical scheme of the present invention is: mainly comprise urceolus, inner core, secondary wind air intake tube, tapered cap, stock cap etc., urceolus is that a diameter is D
1Cylinder, inner core upper end is that a diameter is d
1Cylinder, the inner core lower end is that a diameter is from d
1Become d
2Be down round table-like cylindrical shell.Annular space between urceolus and the inner core is separated into several and the axial earlier strip channel of parallel rear-inclined with some small baffles, clamps between small baffle and the inside and outside barrel, seals.Be close on each strip channel other urceolus and inner tube wall, begin to have and the axial strip shape gob of parallel rear-inclined earlier, with small baffle two strip shape gobs on the inside and outside barrel are coupled together then and form the bar shaped hole from interior tube bottom.Strip channel and bar shaped hole are spaced.Interior tube bottom covers and seals with a special tapered cap.Diameter is D
2Secondary wind air intake jacket casing in urceolus outside, the outer drum outer wall Joint that the bottom of secondary wind air intake tube is corresponding with interior tube bottom.Have circular hole on the raised flooring, secondary wind air intake tube upper end is clamped in the circular hole of raised flooring.Stock cap is embedded in the secondary wind air intake tube, covers on urceolus, and concordant with raised flooring.
Because interior tube bottom is sealed with tapered cap,, can only advance along the strip channel rotation so a wind that axially enters can not enter inner core.It is that secondary wind is by the stock cap between secondary wind air intake tube and the urceolus that the negative pressure that produces by wind swirling eddy can make air outside, suck in the inner core by the bar shaped hole, primary and secondary air is rotation ejection together after mix the inner core upper end, the rotating jet of ejection still has very high diffusion, can carry out secondary with room air and mix.The structural parameters of induced cyclone air-supplying outlet can decide according to the size of actual air output.
The present invention has tangible economic benefit and social benefit, and it is simple in structure, induction ratio is high, and air quantity is big, resistance is little, installation is simple and convenient, and does not influence the normal use in room after installing.For example under common operating position, the induction ratio in air port increases by 31%, wind pressure loss and does not only increase, and reduces 39% on the contrary, and resistance coefficient also reduces 39%.
Description of drawings:
Fig. 1 is an induced cyclone air-supplying outlet structural principle front view;
Fig. 2 is an induced cyclone air-supplying outlet structural principle vertical view.
1 is urceolus among the figure, the 2nd, and inner core, the 3rd, secondary wind air intake tube, the 4th, tapered cap, the 5th, stock cap, the 6th, strip channel, the 7th, bar shaped hole, the 8th, raised flooring.
The specific embodiment:
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described.
As shown in Figure 1 and Figure 2, the present invention mainly comprises urceolus 1, inner core 2, secondary wind air intake tube 3, tapered cap 4, stock cap 5 etc., and urceolus 1 is that a diameter is D
1Cylinder, inner core 2 upper ends are that a diameter is d
1Cylinder, inner core 2 lower ends are that a diameter is from d
1Become d
2Be down round table-like cylindrical shell, the annular space between urceolus 1 and the inner core 2 is separated into several and axial parallel rear-inclined earlier with some small baffles, clamps between small baffle and the inside and outside barrel, seals.Be close on the inside and outside barrel on each strip channel 6 side, from interior tube bottom, have and the axial strip shape gob of parallel rear-inclined earlier, with small baffle two strip shape gobs on the inside and outside barrel are coupled together then and form bar shaped hole 7, strip channel 6 be spaced, inner core 2 bottoms cover and seal with a special tapered cap 4.Diameter is D
2Secondary wind air intake tube 3 be enclosed within urceolus 1 outside, the urceolus 1 outer wall Joint that the bottom of secondary wind air intake tube 3 is corresponding with inner core 2 bottoms.Have circular hole on the raised flooring 8, in the circular hole that secondary wind air intake tube 3 upper ends are clamped in.Stock cap 5 is embedded in the secondary wind air intake tube 3, covers on urceolus 1, and concordant with raised flooring 8.
Because seal with tapered cap 4 inner core 2 bottoms,, can only advance along strip channel 6 rotations so a wind that axially enters can not enter inner core 2.It is that secondary wind is by the stock cap 5 between secondary wind air intake tube 3 and the urceolus 1 that the negative pressure that produces by wind swirling eddy can make air outside, suck in the inner core 2 by bar shaped hole 7, primary and secondary air is rotation ejection together after mix inner core 2 upper ends, the rotating jet of ejection still has very high diffusion, can carry out secondary with room air and mix.
From aerodynamic viewpoint, the higher pressure loss can be thought the unreasonable structure in air port.The structural design of induced cyclone air-supplying outlet is compared with the inner guiding type swirl diffuser of introducing in the prior art, and the present invention has done the improvement of following several respects to the tuyere structure emphasis:
1, for reducing wind resistance one time, inner core 2 and tapered cap 4 have been redesigned.Inner core 2 only is a cylindrical tube in the prior art, and only for sealing inner core 2 bottoms, the inner core 2 of the present invention's design is d by diameter in the effect of tapered cap 4
1Cylindrical tube and diameter from d
1Become d
2Rounding platform cylindrical shell two parts form d
2≤ d
1Tapered cap 4 is the entrance of a wind, and rounding platform cylindrical shell is the section of revolving that rises of a wind, and through experimental results demonstrate, its cone-apex angle β is best between 20-50 °;
2, increase a secondary wind air intake tube 3, do not influence the normal use in room with convenient installation again.Secondary wind air intake tube 3 diameters are D
2, D
2>D
1
3, for reducing the secondary wind resistance, increase induction ratio and air output, the present invention makes strip channel 6 and bar shaped hole 7 with axially first parallel, and then with the structure of axioversion, sloping portion and axis angle θ≤50 °.
4, inner core zero dimension length h=h/D
1<0.133, wherein h is that 7 tops, bar shaped hole are to inner core 2 distance from tops, D
1Be urceolus 1 diameter; Inner core zero dimension diameter d=d
1/ D
1About=0.8, d wherein
1Be inner core 2 garden column-shaped barrel diameters;
If 5 are not subjected to the restriction of floor level, air port urceolus zero dimension length H=H/D then
1〉=1 is advisable; If limited by floor level, then urceolus length should be got length as far as possible, and wherein H is that 7 tops, bar shaped hole are to urceolus 1 distance from top.
Claims (3)
1, a kind of induced cyclone air-supplying outlet by urceolus (1), inner core (2), tapered cap formations such as (4), is characterized in that also comprising secondary wind air intake tube (3), stock cap (5), and urceolus (1) is that a diameter is D
1Cylinder, inner core (2) upper end is that a diameter is d
1Cylinder, inner core (2) lower end is that a diameter is from d
1Become d
2Be down round table-like cylindrical shell, annular space between urceolus (1) and the inner core (2) is separated into several and the axial strip channel (6) of parallel rear-inclined earlier with some small baffles, small baffle with in, clamp between the outer tube wall, sealing, be close to each strip channel (6) other in, on the outer tube wall, from inner core (2) bottom, have and the axial strip shape gob of parallel rear-inclined earlier, in inciting somebody to action with small baffle then, two strip shape gobs on the outer tube wall couple together and form bar shaped hole (7), strip channel (6) is spaced with bar shaped hole (7), inner core (2) bottom covers and seals with a special tapered cap (4), and diameter is D
2Secondary wind air intake tube (3) be enclosed within urceolus (1) outside, the bottom of secondary wind air intake tube (3) and corresponding urceolus (1) the outer wall Joint in inner core (2) bottom, raised flooring has circular hole on (8), secondary wind air intake tube (3) upper end is clamped in the circular hole of raised flooring (8), stock cap (5) is embedded in the secondary wind air intake tube (3), cover on urceolus (1), and concordant with raised flooring (8).
2, induced cyclone air-supplying outlet according to claim 1, its feature are that also the cone-apex angle β of tapered cap (4) is between 20-50 °; Strip channel (6) and bar shaped hole (7) sloping portion and axis angle θ≤50 °.
3, induced cyclone air-supplying outlet according to claim 1, its feature also are inner core zero dimension length h=h/D
1<0.133, wherein h is that top, bar shaped hole (7) is to inner core (2) distance from top, D
1Be urceolus (1) diameter; Inner core zero dimension diameter length d=d
1/ D
1About=0.8, d wherein
1Be inner core (2) garden column-shaped barrel diameter; Urceolus zero dimension length H=H/D
1〉=1, wherein H is that top, bar shaped hole (7) is to urceolus (1) distance from top.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB01113092XA CN1137355C (en) | 2001-06-07 | 2001-06-07 | Induced cyclone air-supplying outlet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB01113092XA CN1137355C (en) | 2001-06-07 | 2001-06-07 | Induced cyclone air-supplying outlet |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1317672A CN1317672A (en) | 2001-10-17 |
CN1137355C true CN1137355C (en) | 2004-02-04 |
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CNB01113092XA Expired - Fee Related CN1137355C (en) | 2001-06-07 | 2001-06-07 | Induced cyclone air-supplying outlet |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102302185B (en) * | 2011-08-29 | 2013-03-20 | 河南省淇县永达食业有限公司 | Preparation method of glutinous rice chicken rod |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103453635B (en) * | 2012-09-19 | 2015-09-02 | 海尔集团公司 | Vertical air conditioner air supply method |
CN107702308A (en) * | 2017-10-02 | 2018-02-16 | 广东美的制冷设备有限公司 | Deep bead, air conditioner room unit and air conditioner |
CN109826796B (en) * | 2019-01-30 | 2021-08-03 | 青岛冠尔科技股份有限公司 | Induced spiral airflow swirler |
-
2001
- 2001-06-07 CN CNB01113092XA patent/CN1137355C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102302185B (en) * | 2011-08-29 | 2013-03-20 | 河南省淇县永达食业有限公司 | Preparation method of glutinous rice chicken rod |
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CN1317672A (en) | 2001-10-17 |
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