CN210265204U - Rotary pulsating vortex air supply device - Google Patents
Rotary pulsating vortex air supply device Download PDFInfo
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- CN210265204U CN210265204U CN201921068854.8U CN201921068854U CN210265204U CN 210265204 U CN210265204 U CN 210265204U CN 201921068854 U CN201921068854 U CN 201921068854U CN 210265204 U CN210265204 U CN 210265204U
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- air supply
- cylinder
- air
- impeller
- central shaft
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Abstract
The rotary pulsating vortex air supply device comprises an air supply cylinder, a mesh enclosure end cover, a central shaft and an impeller; the air supply barrel is a barrel with openings at two ends, one end of the air supply barrel is an air inlet end, and the other end of the air supply barrel is an air outlet end; the number of the mesh enclosure end covers is two, and the two mesh enclosure end covers are respectively arranged at openings at two ends of the air supply cylinder; the central shaft is arranged in the inner cavity of the air supply cylinder, and two ends of the central shaft are respectively connected to the centers of the two mesh cover end covers; the impeller comprises a central cylinder and a plurality of wing-shaped blades which are uniformly distributed in an annular mode and welded on the outer wall of the central cylinder, and the impeller is movably sleeved on the central shaft through the central cylinder. The utility model has the advantages of, when the air current passes through airfoil blade, form the pressure differential at evagination cambered surface and indent cambered surface, and then the drive impeller rotates, in addition, because airfoil structure of airfoil blade, the afterbody that the air current reachd airfoil blade can produce the pulsation vortex to make the air current break away from and form a rotatory pulsation vortex behind the airfoil blade, reach the effect of imitative natural wind, promote indoor thermal comfort.
Description
Technical Field
The utility model relates to an air conditioner end equipment field, especially a rotatory pulsation vortex air supply arrangement.
Background
The central air conditioner air outlet is the end equipment for air supply and return in the central air conditioning system, and is one kind of air distributing equipment directly related to the distribution of indoor air temperature, humidity, etc.
The traditional air port only plays a role in conveying cold energy to the indoor space in an air conditioning system, lacks the effect similar to natural wind pulsation, and is difficult to achieve the effect of imitating natural wind.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, and provide a rotatory pulsation vortex air supply arrangement, it can produce rotatory pulsation vortex and promote indoor thermal comfort, builds out the air-out effect of imitative natural wind.
The technical scheme of the utility model is that: the rotary pulsating vortex air supply device comprises an air supply cylinder, a mesh enclosure end cover, a central shaft and an impeller; the air supply barrel is a barrel with openings at two ends, one end of the air supply barrel is an air inlet end, and the other end of the air supply barrel is an air outlet end; the number of the mesh enclosure end covers is two, and the two mesh enclosure end covers are respectively arranged at openings at two ends of the air supply cylinder; the central shaft is arranged in the inner cavity of the air supply cylinder, and two ends of the central shaft are respectively connected to the centers of the two mesh cover end covers; the impeller comprises a central cylinder and a plurality of wing-shaped blades which are uniformly distributed in an annular mode and are fixedly welded on the outer wall of the central cylinder, and the impeller is movably sleeved on the central shaft through the central cylinder, is positioned in the inner cavity of the air supply cylinder and is positioned in the axial direction.
The utility model discloses further technical scheme is: wing blade side surface is evagination cambered surface, the opposite side surface is the indent cambered surface, and wing blade front end is towards air supply section of thick bamboo air inlet end, and the rear end is towards air supply section of thick bamboo air-out end, and wing blade reduces gradually from the front end to rear end thickness, and wing blade's evagination cambered surface and indent cambered surface pass through cambered surface smooth transition at wing blade front end, cross at wing blade's rear end and form a arris.
The utility model discloses still further technical scheme is: the number of the airfoil blades of the impeller is 4.
Compared with the prior art, the utility model have following advantage:
1. when the air current passes through the airfoil blade, form the pressure differential at evagination cambered surface and interior cambered surface, and then the drive impeller rotates, in addition, because the wing structure of airfoil blade, the afterbody that the air current reachd airfoil blade can produce the pulsation vortex to make the air current break away from and form a rotatory pulsation vortex behind the airfoil blade, reach the effect of imitative natural wind, promote indoor thermal comfort.
2. The impeller is a part which can be replaced independently, and in practical application, the impeller with different airfoil blade sizes and different airfoil blade numbers can be replaced to achieve the effect of regulating and controlling the pulsation scale and the frequency spectrum of the rotating pulsating vortex, so that the requirements of different environments on the pulsation scale and the frequency spectrum of wind can be met.
The invention is further described below with reference to the figures and examples.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic structural view of an impeller;
description of the drawings: the blower barrel in fig. 2 is not shown.
Detailed Description
Example 1:
as shown in fig. 1-3, the rotary pulsating vortex air supply device includes an air supply cylinder 1, a mesh enclosure end cover 2, a central shaft 3 and an impeller 4.
The air supply barrel 1 is a cylinder with two open ends, one end of the air supply barrel is an air inlet end, and the other end of the air supply barrel is an air outlet end.
The number of the net cover end covers 2 is two, and the two net cover end covers 2 are respectively arranged at openings at two ends of the air supply cylinder 1.
The central shaft 3 is arranged in the inner cavity of the air supply cylinder 1, and two ends of the central shaft are respectively connected with the centers of the two mesh cover end covers 2.
Impeller 4 includes a central section of thick bamboo 41 and annular equipartition and welds the multi-disc airfoil blade 42 on a central section of thick bamboo 41 outer wall firmly, airfoil blade 42 side surface is the evagination cambered surface, the opposite side surface is the indent cambered surface, airfoil blade 42 front end is towards the 1 air inlet end of a section of thick bamboo, the rear end is towards 1 air-out end of a section of thick bamboo, airfoil blade 42 from the front end to rear end thickness taper gradually, the evagination cambered surface and the indent cambered surface of airfoil blade 42 pass through cambered surface smooth transition at airfoil blade 42 front end, cross at airfoil blade 42's rear end and form a arris. The impeller 4 is movably sleeved on the central shaft 3 through a central cylinder 41 (a bearing 5 is arranged between the central cylinder 41 and the central shaft 3, and the central cylinder 41 and the central shaft 3 realize relative rotation through the bearing 5), is positioned in an inner cavity of the air supply cylinder 41, and is positioned in the axial direction.
Preferably, the number of the airfoil blades 42 of the impeller 4 is 4.
Preferably, the outer convex arc surface of the airfoil blade 42 of the impeller 4 is opposite to the inner concave arc surface of the adjacent airfoil blade 42, and the inner concave arc surface of the airfoil blade 42 is opposite to the outer convex arc surface of the adjacent airfoil blade 42.
Preferably, the airfoil blades 42 of the impeller 4 have a right-angled trapezoidal planar projection shape (see fig. 2).
Brief description the utility model discloses a use: the air supply barrel 1 is arranged on an air outlet of air outlet equipment (such as a central air conditioner), and exhaust air of the air outlet equipment enters an inner cavity of the air supply barrel 1 through an air inlet end of the air supply barrel 1 and flows to an air outlet end of the air supply barrel 1. When the airflow passes through the wing-shaped blades 42 of the impeller 4, a pressure difference is formed between the convex cambered surface and the concave cambered surface due to the lift effect of the wing-shaped blades 42, and then the impeller 4 is driven to rotate. In addition, due to the airfoil shape of the airfoil blades 42, the airflow reaching the tail of the airfoil blades 42 generates pulsating vortex flows. Under the combined action of the two, the airflow can form rotary pulsating vortex after separating from the airfoil blades 42, and the air outlet effect of imitating natural wind is achieved.
Claims (3)
1. Rotatory pulsation vortex air supply arrangement, characterized by: comprises an air supply cylinder, a mesh enclosure end cover, a central shaft and an impeller; the air supply barrel is a barrel with openings at two ends, one end of the air supply barrel is an air inlet end, and the other end of the air supply barrel is an air outlet end; the number of the mesh enclosure end covers is two, and the two mesh enclosure end covers are respectively arranged at openings at two ends of the air supply cylinder; the central shaft is arranged in the inner cavity of the air supply cylinder, and two ends of the central shaft are respectively connected to the centers of the two mesh cover end covers; the impeller comprises a central cylinder and a plurality of wing-shaped blades which are uniformly distributed in an annular mode and are fixedly welded on the outer wall of the central cylinder, and the impeller is movably sleeved on the central shaft through the central cylinder, is positioned in the inner cavity of the air supply cylinder and is positioned in the axial direction.
2. The rotary pulsating vortex blowing apparatus as claimed in claim 1, wherein: wing blade side surface is evagination cambered surface, the opposite side surface is the indent cambered surface, and wing blade front end is towards air supply section of thick bamboo air inlet end, and the rear end is towards air supply section of thick bamboo air-out end, and wing blade reduces gradually from the front end to rear end thickness, and wing blade's evagination cambered surface and indent cambered surface pass through cambered surface smooth transition at wing blade front end, cross at wing blade's rear end and form a arris.
3. The rotary pulsating vortex blowing apparatus as claimed in claim 2, wherein: the number of the airfoil blades of the impeller is 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921068854.8U CN210265204U (en) | 2019-07-10 | 2019-07-10 | Rotary pulsating vortex air supply device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921068854.8U CN210265204U (en) | 2019-07-10 | 2019-07-10 | Rotary pulsating vortex air supply device |
Publications (1)
Publication Number | Publication Date |
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CN210265204U true CN210265204U (en) | 2020-04-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921068854.8U Expired - Fee Related CN210265204U (en) | 2019-07-10 | 2019-07-10 | Rotary pulsating vortex air supply device |
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CN (1) | CN210265204U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110285084A (en) * | 2019-07-10 | 2019-09-27 | 南华大学 | Rotary pulse is vortexed air supply device |
-
2019
- 2019-07-10 CN CN201921068854.8U patent/CN210265204U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110285084A (en) * | 2019-07-10 | 2019-09-27 | 南华大学 | Rotary pulse is vortexed air supply device |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210710 |
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CF01 | Termination of patent right due to non-payment of annual fee |