CN112747365A - Vortex ring generating device, air conditioner indoor unit and air conditioner - Google Patents
Vortex ring generating device, air conditioner indoor unit and air conditioner Download PDFInfo
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- CN112747365A CN112747365A CN201911063595.4A CN201911063595A CN112747365A CN 112747365 A CN112747365 A CN 112747365A CN 201911063595 A CN201911063595 A CN 201911063595A CN 112747365 A CN112747365 A CN 112747365A
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- push plate
- air
- vortex ring
- ring generating
- flexible
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- 238000009423 ventilation Methods 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000737 periodic effect Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 206
- 230000000694 effects Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
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- 238000001125 extrusion Methods 0.000 description 2
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- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
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Images
Classifications
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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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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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
- 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
- F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a vortex ring generating device, an air conditioner indoor unit and an air conditioner, wherein the vortex ring generating device comprises a shell and a vortex ring generating part; the shell comprises an air duct and a flow collecting piece, the air duct is provided with an air outlet, the flow collecting piece is arranged at the air outlet, an air supply outlet communicated with the air duct is formed in the flow collecting piece, and the air passing area of the air supply outlet is smaller than that of the air outlet; vortex ring emergence portion includes push pedal subassembly and drive arrangement, and in the casing was located to the push pedal subassembly, the push pedal subassembly included the flexible piece and connected in the push pedal of flexible piece, and the flexible piece is connected in the perisporium face of casing, and the push pedal sets up towards the supply-air outlet, and drive arrangement drive push pedal reciprocating motion in the casing to periodic driving air current is blown out by the supply-air outlet. The vortex ring generating part of the vortex ring generating device has the advantages of simple structure, strong sealing property, high reliability and low cost.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to a vortex ring generating device, an air conditioner indoor unit and an air conditioner.
Background
The conventional air conditioner blows out air flow after heat exchange through a conventional air opening of the air conditioner, the air outlet mode of the conventional air conditioner is conventional air outlet, the air flow coming out of the conventional air outlet is fixed and unchangeable, the radiation range of the conventional air conditioner is short and narrow, large-range and remote air supply cannot be achieved, and the use experience of a user is reduced.
The long-distance air supply can be realized by arranging the vortex ring generating device. The vortex ring air supply part of the vortex ring generating device can be of a piston structure, however, the piston structure needs to be better sealed with the wall surface of the cavity, so that the driving force for pushing the piston to move is larger, the reciprocating movement of the piston easily influences the sealing performance, and the effect of the volume in the compression cavity is poor. The vortex ring air supply part can also be a structure of adding a push rod to the whole film, namely, the film is stretched or contracted through the push rod to extrude air in the cavity to form vortex ring air supply, however, the structure has extremely high requirement on the elasticity of the film material, the damage rate of the film material is high, and further the cost is increased. Meanwhile, the push rod pushes the film to deform, so that the stress area and the action area of the film are small, the effect of the volume in the compression cavity is poor, and the formation of the vortex ring and the blowing speed of the vortex ring airflow are affected.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
Disclosure of Invention
The main object of the present invention is to provide a vortex ring generator, which is aimed at solving one or more of the above-mentioned technical problems.
In order to achieve the above object, the vortex ring generating device provided by the invention comprises a housing and a vortex ring generating part;
the shell comprises an air duct and a flow collecting piece, the air duct is provided with an air outlet, the flow collecting piece is installed at the air outlet, an air supply opening communicated with the air duct is formed in the flow collecting piece, and the air passing area of the air supply opening is smaller than that of the air outlet;
the vortex ring generating part comprises a push plate assembly and a driving device, the push plate assembly is arranged in the shell and comprises a flexible part and a push plate connected to the flexible part, the flexible part is connected to the peripheral wall surface of the shell, the push plate faces the air supply opening, and the driving device drives the push plate to reciprocate in the shell to periodically drive air flow to be blown out of the air supply opening.
In one embodiment, the flexible member is in a stretchable or retractable arrangement.
In one embodiment, when the flexible member is in a natural state, the flexible member is arranged in a flat sheet shape, a mounting hole is formed in the middle of the flexible member, and the push plate is correspondingly connected to the mounting hole.
In an embodiment, when the flexible member is in a natural state, the flexible member is disposed in a cylindrical shape and has a first end and a second end opposite to each other, the push plate is connected to the first end, the second end is connected to the housing and is disposed in an opening, and the flexible member is disposed in a gradually expanding manner from the first end to the second end.
In an embodiment, the vortex ring generating portion further includes a first mounting ring mounted at the first end and a second mounting ring mounted at the second end, the second mounting ring is connected to an inner wall surface of the housing, and the first mounting ring is connected to the push plate.
In one embodiment, the peripheral wall surface of the air duct is provided with a mounting step, and the second mounting ring is mounted on the mounting step.
In one embodiment, the cross-sectional area of the push plate is larger than or equal to the air passing area of the air supply outlet.
In an embodiment, drive arrangement includes driving piece, driving medium and resets the piece, the driving medium connect in the push pedal, the driving piece drive the driving medium drives the push pedal orientation one side of casing removes, the one end that resets with the casing is connected, the other end with the push pedal is connected, with the drive the push pedal orientation with the opposite direction of transmission direction of driving medium resets and removes.
In an embodiment, the driving member is a motor, the driving member includes a gear and a rack that are engaged with each other, the rack is connected to the pushing plate, and a driving shaft of the motor is fixedly connected to the gear to drive the rack to move and drive the pushing plate to move.
In an embodiment, the gear is an incomplete gear, when the rack is engaged with a toothed portion of the incomplete gear, the rack drives the push plate to move towards a side away from the air supply outlet, and when the rack corresponds to a non-toothed portion of the incomplete gear, the rack drives the push plate to move towards the side of the air supply outlet under the action of the reset piece.
In an embodiment, the reset piece is a spring, the driving device further comprises a guide rod, the guide rod is connected to the shell, a guide hole for the guide rod to penetrate is formed in the push plate, and the spring is sleeved on the periphery of the guide rod.
In an embodiment, the number of the guide rods is multiple, the guide rods are arranged along the circumferential direction of the push plate at intervals, the vortex ring generation portion further comprises a pressing piece connected with the push plate, the flexible piece is clamped between the push plate and the pressing piece, the guide rods penetrate through the pressing piece, and the spring is connected to the pressing piece.
In one embodiment, the vortex ring generating device further comprises a fixing bracket, the fixing bracket is pressed and connected to the flexible member and the housing, one end of the guide rod is connected to the fixing bracket, and the other end of the guide rod is connected to the housing.
In one embodiment, the air duct comprises a bottom wall surface and a peripheral wall surface, and the air duct further comprises a ventilation opening, wherein the ventilation opening is formed in the bottom wall surface and/or the peripheral wall surface.
The invention also provides an air-conditioning indoor unit, which comprises a shell and a vortex ring generating device, wherein the vortex ring generating device is arranged on the shell and comprises a shell and a vortex ring generating part;
the shell comprises an air duct and a flow collecting piece, the air duct is provided with an air outlet, the flow collecting piece is installed at the air outlet, an air supply opening communicated with the air duct is formed in the flow collecting piece, and the air passing area of the air supply opening is smaller than that of the air outlet;
the vortex ring generating part comprises a push plate assembly and a driving device, the push plate assembly is arranged in the shell and comprises a flexible part and a push plate connected to the flexible part, the flexible part is connected to the peripheral wall surface of the shell, the push plate faces the air supply opening, and the driving device drives the push plate to reciprocate in the shell to periodically drive air flow to be blown out of the air supply opening.
The invention also provides an air conditioner, which comprises an air conditioner indoor unit and an air conditioner outdoor unit which are connected through the refrigerant pipe, wherein the air conditioner indoor unit comprises a shell and a vortex ring generating device which is arranged on the shell, and the vortex ring generating device comprises a shell and a vortex ring generating part;
the shell comprises an air duct and a flow collecting piece, the air duct is provided with an air outlet, the flow collecting piece is installed at the air outlet, an air supply opening communicated with the air duct is formed in the flow collecting piece, and the air passing area of the air supply opening is smaller than that of the air outlet;
the vortex ring generating part comprises a push plate assembly and a driving device, the push plate assembly is arranged in the shell and comprises a flexible part and a push plate connected to the flexible part, the flexible part is connected to the peripheral wall surface of the shell, the push plate faces the air supply opening, and the driving device drives the push plate to reciprocate in the shell so as to periodically drive air flow to be blown out of the air supply opening.
The vortex ring generating device comprises a push plate assembly, a flexible piece and a push plate, wherein the push plate assembly is composed of the flexible piece and the push plate, the flexible piece is connected to the peripheral wall surface of the shell, the push plate is connected to the flexible piece and arranged towards the air supply outlet, and the drive device drives the push plate to move in the shell in a reciprocating mode. The structure of the flexible piece and the push plate is simple in structure, and on one hand, the movable push plate can be prevented from moving when the push plate component is always sealed with the inner wall surface of the shell by utilizing the characteristics of extension and folding of the flexible piece. The volume in the extrusion casing that then push pedal subassembly can be better, the reliability is high, and the removal of push pedal is more smooth and easy, and required drive power is littleer, and requires lowly to the material performance of flexible piece, effectively the cost is reduced. On the other hand utilizes the extension and the folding of push pedal promotion flexible member for lifting surface area is big, promotes more smoothly, and the area of action of push pedal is big under the same promotion distance, and then makes farther, the radiation scope that the vortex ring blows wider.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a vortex ring generator according to an embodiment of the present invention;
FIG. 2 is an exploded view of the vortex ring generator of FIG. 1;
FIG. 3 is a schematic view of a portion of the vortex ring generator of FIG. 2;
FIG. 4 is a schematic cross-sectional view of the vortex ring generator of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic view of a portion of the vortex ring generator of the present invention;
FIG. 7 is a schematic structural diagram of a gear of the vortex ring generator according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 9 is an exploded view of the air conditioning indoor unit of fig. 8;
fig. 10 is a schematic sectional view of the air conditioning indoor unit of fig. 8.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Vortex ring generating device | 2 | Vortex |
30a | Toothed part |
| 1 | |
21 | |
30b | |
| 11 | |
211 | |
40 | |
| 111 | Ventilation opening | 10 | |
223 | |
| 112 | |
20 | |
224 | |
| 113 | |
212 | |
23 | |
| 114 | |
22 | |
24 | |
| 115 | |
221 | |
25 | Compressing |
| 12 | Flow collecting piece | 222 | |
3 | |
| 121 | |
30 | |
200 | Outer casing |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied.
The invention provides a vortex ring generating device which can be used independently and can also be matched with an air conditioner, a purifier and the like.
In the embodiment of the present invention, as shown in fig. 1 to 5, the vortex ring generating device 100 includes a housing 1 and a vortex ring generating portion 2. The casing 1 comprises an air duct 11 and a flow collecting piece 12, wherein the air duct 11 is provided with a ventilating opening 111 and an air outlet 112, the flow collecting piece 12 is installed at the air outlet 112, an air supply opening 121 communicated with the air duct 11 is formed in the flow collecting piece 12, and the air passing area of the air supply opening 121 is smaller than that of the air outlet 112. The vortex ring generating part 2 comprises a push plate assembly 21 and a driving device 22, the push plate assembly 21 is arranged in the shell 1, the push plate assembly 21 comprises a flexible piece 211 and a push plate 212 connected to the flexible piece 211, the flexible piece 211 is connected to the peripheral wall surface 115 of the shell 1, the push plate 212 is arranged towards the air supply opening 121, and the driving device 22 drives the push plate 212 to reciprocate between the ventilation opening 111 and the air supply opening 121 so as to periodically drive airflow to be blown out from the air supply opening 121.
In this embodiment, the inner cavity of the housing 1 forms a vortex ring air duct, and the shape of the housing 1 may be a straight cylinder shape or a bent cylinder shape, and the cross section thereof may be a rectangular shape, a circular shape, an oval shape, a polygonal shape, an irregular shape, and the like, which is not limited herein. The overall shape and the cross-sectional shape of the vortex ring air duct can be selected according to the use requirement, and are not particularly limited herein. The flexible member 211 is connected to the peripheral wall surface 115 of the housing 1, and the shape of the flexible member 211 is substantially matched with the shape of the inner cavity of the housing 1. The shape of the push plate 212 may be circular, elliptical, rectangular, irregular, etc., and is not particularly limited herein.
The shape of the ventilation opening 111 may be circular, rectangular, oval, polygonal, etc., or may be a plurality of holes or micropores, which is not particularly limited herein. The shapes of the air outlet 112 and the air supply outlet 121 may be circular, rectangular, oval, polygonal, etc. The air duct 11 is substantially cylindrical. In one embodiment, the collecting member 12 is a collecting cover, and the collecting cover is tapered from the air outlet 112 to the air inlet 121. The cross-sectional shape of the manifold can be circular, oval, rectangular, etc. In order to reduce wind resistance, the collecting cover is substantially cylindrical. By making the collecting cover gradually taper from the air outlet 112 to the air supply outlet 121, the collecting cover can collect the air discharged from the air outlet 112, and the generation and blowing of the vortex ring are smoother.
In another embodiment, the collecting member 12 is a collecting plate, and the collecting plate is installed at the air outlet 112 and is provided with an air supply outlet 121. The collecting plate may be a plate covering the air outlet 112, and the air outlet 121 smaller than the air outlet 112 may be formed in the collecting plate, so that when the air flow is blown out from the air outlet 112 to the air outlet 121, the air flow blown out from the air outlet 121 may be in a vortex shape due to a partial blocking effect of the collecting plate. And the collector plate has simple structure and is easy to manufacture and process. In other embodiments, the collector 12 may be formed by several plates, and the formation of a vortex ring may also be achieved by providing a supply air outlet 121 in one of the plates.
The collecting member 12 and the air duct 11 may be integrally formed or may be separately formed. It can be understood that when the collecting member 12 is formed separately from the air duct 11, the collecting member 12 is hermetically connected to the air duct 11. When the collecting hood is integrally formed with the air duct 11, a virtual boundary is defined by using a joint of the air duct 11 and the collecting piece 12 as a boundary, one side of the boundary is the air duct 11, the other side is the collecting piece 12, and an air outlet 112 of the air duct 11 is formed at the boundary. Clearly, the air outlet 112 has an air passing area larger than that of the air supply outlet 121 of the collecting member 12. The extension directions of the outer wall surfaces of the collecting piece 12 and the air duct 11 can be consistent, that is, the length extension lines of the outer wall surfaces of the collecting piece and the air duct are in a straight line, and at the moment, the vortex ring air supply part is in a complete shape without a patch cord. The extending directions of the collecting piece 12 and the outer wall surface of the air duct 11 may be different, that is, the length extending lines of the outer wall surfaces of the collecting piece 12 and the air duct 11 form an included angle, and at this time, a junction line is formed at the junction of the collecting piece 12 and the air duct 11.
Since the air flow passing through the air outlet 112 to the air inlet 121 is smaller than the air flow passing through the air outlet 112, a part of the air flow flowing from the air outlet 112 to the air inlet 121 flows along the inner wall surface of the collecting member 12 and then flows out from the periphery of the air inlet 121, and the other part of the air flow flows out from the middle of the air inlet 121. The partial flow flowing out from the edge of the supply port 121 is defined as edge flow, and the flow flowing out from the middle of the supply port 121 is positioned as middle flow. Then, the edge flow is subjected to resistance by the inner wall surface of the manifold 12. The flow velocity is lower compared to the middle stream. This difference in flow velocity will cause a vortex ring flow to occur as the air flows out of the supply opening 121. Under the same air quantity, the mode of vortex ring air supply can realize directional, fixed-point and remote air supply. And the vortex ring exchanges heat with ambient air in the transmission process, the temperature difference between the temperature of the vortex ring and the ambient air is not large, so that the vortex ring cannot generate obvious supercooling or overheating feeling when being blown on a person, and the comfort is improved.
The flexible member 211 is a structure that can be easily deformed but not easily broken, and has a characteristic of being quickly foldable and stretchable. The flexible member 211 may be made of cloth material such as nylon, cotton, fiber, etc., plastic material such as polyethylene, polypropylene, polyester, etc., rubber material, etc. The flexible member 211 is only required to be flexible, and can be folded and stretched, and the material of the flexible member 211 is not particularly limited. The push plate 212 is a plate-like structure. The edge of the flexible member 211 may be connected to the inner wall surface of the housing 1, and a portion of the flexible member 211 near the edge may also be connected to the inner wall surface of the housing 1. The flexible member 211 may be connected to the housing 1 by means of screws, bonding, crimping, etc., and the connection manner is not limited herein. The flexible member 211 may be connected within the air duct 11, within the manifold 12, or at the connection of the air duct 11 and the manifold 12. In order to make the moving path of the push plate 212 longer and the compression effect better, the flexible member 211 is selectively connected to a position near the ventilation opening 111 in the air duct 11. The fixing method of the push plate 212 and the flexible member 211 can be bonding, crimping, screwing, etc.
It can be understood that, the push plate assembly 21 divides the inner cavity of the housing 1 into two parts along the axial direction of the housing 1, the inner cavity of the housing 1 can be divided into two parts for the flexible member 211 as a whole, the push plate 212 is connected to one side of the flexible member 211, or the flexible member 211 only seals the peripheral position, and the flexible member 211 and the push plate 212 together divide the inner cavity of the housing 1 into two parts along the axial direction by sealing the middle position through the push plate 212. Due to the foldable and extendable structural characteristics of the flexible member 211, the push plate 212 can move back and forth within a certain range without damaging the flexible member 211. In the moving process of the push plate 212, the flexible part 211 and the inner cavity of the housing 1, and the flexible part 211 and the push plate 212 are always sealed, so that the push plate assembly 21 is divided into two chambers which are not communicated with each other, and the gas effect of the push plate 212 in the cavity on one side in the moving process is better. The push plate assembly 21 has good sealing performance, high reliability and simple structure.
The structure of the drive means 22 may be varied. In one embodiment, the driving device 22 includes an electromagnetic driving element 221 and a push rod, one end of the push rod is connected to the push plate 212, and the other end is connected to the electromagnetic driving element 221. The push rod is driven to reciprocate by the on/off of the electromagnetic driving element 221, so as to drive the push plate 212 to reciprocate between the air supply opening 121 and the ventilation opening 111. In another embodiment, the driving device 22 includes a driving motor, a worm ring and a worm screw, wherein one end of the worm screw is connected to the push plate 212, and the other end is connected to a worm wheel, and the worm wheel is fixedly installed with a driving shaft of the driving motor. The worm is driven to reciprocate by the driving motor to drive the worm to reciprocate, so as to drive the push plate 212 to reciprocate between the air supply outlet 121 and the ventilation opening 111. In another embodiment, the driving device 22 comprises a driving motor, an eccentric wheel disposed on the driving motor, and a connecting rod having one end connected to a rotating shaft of the eccentric wheel and the other end connected to the push plate 212. Thus, the connecting rod drives the push plate 212 to reciprocate.
When the vortex ring airflow needs to be pushed out, the driving device 22 drives the push plate 212 to move towards the ventilation opening 111 side, the air in the shell 1 is discharged from the ventilation opening 111, then the driving device 22 drives the push plate 212 to rapidly move towards the side of the air supply opening 121, the push plate 212 pushes the airflow to be rapidly blown out from the air supply opening 121, and the vortex ring airflow can be blown out from the air supply opening 121 by enabling the air passing area of the air supply opening 121 to be smaller than the air passing area of the air outlet 112. This cycle makes it possible to periodically blow out the vortex ring airflow from the air outlet 121.
In the vortex ring generator 100 of the present invention, the push plate assembly 21 is composed of the flexible member 211 and the push plate 212, the flexible member 211 is connected to the peripheral wall surface 115 of the casing 1, the push plate 212 is connected to the flexible member 211 and is disposed toward the air blowing port 121, and the drive unit 22 drives the push plate 212 to reciprocate between the ventilating port 111 and the air blowing port 121. The structure of the flexible member 211 and the push plate 212 is simple, and on one hand, the flexible member 211 can be stretched and folded, so that the push plate assembly 21 can be always sealed with the inner wall surface of the housing 1, and the movement of the push plate 212 is not affected. The push plate assembly 21 can better extrude the volume in the shell 1, the reliability is high, the movement of the push plate 212 is smoother, the required driving force is smaller, the requirement on the material performance of the flexible part 211 is low, and the cost is effectively reduced. On the other hand, the push plate 212 is used for pushing the flexible part 211 to stretch and fold, so that the stress area is large, the pushing is smoother, the action area of the push plate 212 is large under the same pushing distance, and further the vortex ring blows farther and the radiation range is wider.
In one embodiment, the flexible member 211 is in a stretchable or retractable arrangement. The flexible member 211 has a stretchable or contractible property under the condition of having a foldable and contractible property. Therefore, the flexible part 211 can be deformed and has certain elasticity, so that the moving distance of the push plate 212 connected to the flexible part 211 is longer, the effect of pushing the airflow of the push plate assembly 21 is better, the air supply distance of the vortex ring is longer, and the radiation range is wider. At this time, the flexible member 211 may be rubber, silicon rubber, or the like.
On the basis of the above embodiment that the flexible member 211 is stretchable or retractable, further, when the flexible member 211 is in a natural state, the flexible member 211 is in a flat sheet shape, a mounting hole is formed in the middle of the flexible member 211, and the push plate 212 is correspondingly connected to the mounting hole. In a natural state, the flexible member 211 is disposed in a flat sheet shape, that is, the flexible member 211 is disposed in a sheet shape or a flat shape in an unstretched state. The shape of the mounting hole provided in the middle of the flexible member 211 may be the same as or different from that of the push plate 212. To ensure hermeticity, the push plate 212 should be made to entirely cover the mounting hole. Utilize the flexible piece 211 elastically deformable's performance, make push plate 212 portable under the condition of guaranteeing the leakproofness to the gas in the extrusion casing 1, can effectual noise reduction, and the structure is simpler, easily realize. Be the trompil in the middle part of the flexible piece 211 that the plat form set up, on the one hand can reduce the volume of flexible piece 211, reduce cost, on the other hand compares and sets up push pedal 212 in the middle of monoblock flexible piece 211 for push pedal 212's removal is more smooth and easy.
In an embodiment, referring to fig. 2, fig. 3, fig. 5 and fig. 6, when the flexible element 211 is in a natural state, the flexible element 211 is disposed in a cylindrical shape and has a first end 10 and a second end 20 opposite to the first end, the push plate 212 is connected to the first end 10, the second end 20 is connected to the housing 1 and is disposed in an open configuration, and the flexible element 211 is disposed in a gradually expanding manner from the first end 10 to the second end 20.
In this embodiment, the flexible member 211 is in a natural state, that is, the flexible member 211 is in a natural extending state when only having the foldable and extensible capability, and is in a natural extending and non-deformed state when the flexible member 211 also has the stretchable and contractible capability. The first end 10 of the flexible member 211 may be an opening, or a sealing, for simplifying the structure, and making the movement of the push plate 212 smoother, so that the first end 10 is an opening, and the push plate 212 should cover the opening of the first end 10. Through making flexible piece 211 be the tube-shape setting, then the moving distance of push pedal 212 is the length size of tube-shape flexible piece 211 at least, through folding and extending tube-shape flexible piece 211 in the axial, just can realize the removal of push pedal 212, simple structure, low to the material performance requirement of flexible piece 211, reduce cost, and the reliability is high, the leakproofness is high. By providing the flexible member 211 with a diverging configuration from the first end 10 to the second end 20, the opening of the second end 20 can be passed through during the movement of the push plate 212, i.e., the push plate 212 can be flipped about the second end 20. Therefore, the moving distance of the push plate 212 is greatly increased, the effect of pushing the push plate 212 to push the air flow is better, and the air supply distance of the vortex ring is farther.
In other embodiments, the flexible member 211 may also be substantially in a shape of a straight cylinder, the first end 10 of the flexible member 211 is connected to the push plate 212, the push plate 212 is disposed at a gap with the inner wall surface of the housing 1, and the second end 20 of the flexible member 211 is connected to the housing 1 and is in an open configuration.
In the above embodiment in which the flexible member 211 is disposed in a cylindrical shape, the vortex ring generating portion 2 further includes a first mounting ring 23 mounted on the first end 10 and a second mounting ring 24 mounted on the second end 20, the second mounting ring 24 is connected to the inner wall surface of the housing 1, and the first mounting ring 23 is connected to the push plate 212.
In this embodiment, the first and second mounting rings 23 and 24 may be made of hard materials such as hard plastics and hard rubbers. The first mounting ring 23 and the flexible part 211, and the second mounting ring 24 and the flexible part 211 can be connected by means of screws, scarf joint, crimping, bonding, and the like. It will be appreciated that due to the flexibility of the flexible member 211, it is difficult and difficult to attach the flexible member 211 to other structures. Therefore, by first connecting the first end 10 and the second end 20 of the flexible member 211 to the first mounting ring 23 and the second mounting ring 24, when the flexible member 211 needs to be connected and mounted, it is only necessary to connect other structures to the first mounting ring 23 and the second mounting ring 24. So that the flexible member 211 can be more easily and quickly mounted to other structures.
Specifically, as shown in fig. 3, the peripheral wall surface 115 of the air duct 11 is provided with a mounting step 113, and the second mounting ring 24 is mounted on the mounting step 113. The mounting step 113 of the inner wall surface of the air duct 11 may be circumferentially provided along the circumferential direction of the duct wall surface. Make second collar 24 be connected with installation step 113, on the one hand play spacing and the effect of location to the installation of flexible piece 211, on the other hand makes the connection of second collar 24 and dryer 11 convenient and fast more. The second mounting ring 24 and the mounting step 113 can be connected by screws, bonding, etc.
In one embodiment, as shown in FIG. 4, the cross-sectional area of the pusher plate 212 is greater than or equal to the air flow area of the supply air outlet 121. It will be appreciated that the push plate 212 is disposed toward the supply vent 121, and the push plate 212 sends the air flow out of the supply vent 121 when it is pressed to push the air flow. Therefore, the cross-sectional area of the push plate 212 greatly affects the delivery rate and the degree of turbulence of the airflow. Through making the cross-sectional area of push pedal 212 be greater than the area of crossing the wind of supply-air outlet 121, then can guarantee the sufficient effect area of push pedal 212, and then improve the air velocity and the air current volume that supply-air outlet 121 blew off for the vortex blows farther, the radiation scope is wider.
In one embodiment, the driving device 22 includes a driving member 221, a transmission member 222 and a reset member 223, the transmission member 222 is connected to the push plate 212, the driving member 221 drives the transmission member 222 to drive the push plate 212 to move toward the ventilation opening 111 or the air supply opening 121, one end of the reset member 223 is connected to the housing 1, and the other end is connected to the push plate 212 to drive the push plate 212 to reset and move in a direction opposite to the transmission direction of the transmission member 222.
In this embodiment, the transmission member 222 may be a gear 30 and a rack 40, a worm gear and a worm, which are engaged with each other. The rack 40 or worm is connected to the push plate 212. The driving member 221 drives the gear 30 or the worm wheel to move the rack 40 or the worm, and further drives the push plate 212 to move toward one side of the ventilation opening 111 or the air supply opening 121. The push plate 212 is reset to move in a direction opposite to the driving direction of the driving member 222 by the action of the reset member 223. The reset member 223 is utilized to drive the driving member 221 to move the push plate 212 in only one direction, so as to reduce the requirement on the driving member 221 and the cost. And the resetting member 223 has a good resetting effect and can meet the requirement of sending out the vortex ring.
Specifically, referring to fig. 2 to 4, the driving member 221 is a motor, the transmission member 222 includes a gear 30 and a rack 40 engaged with each other, the rack 40 is connected to the push plate 212, and a driving shaft of the motor is fixedly connected to the gear 30 to drive the rack 40 to move and drive the push plate 212 to move. The rack 40 may be fixedly attached to the push plate 212 by a screw or the like. The motor is used for driving, so that the volume is small, the occupied space is small, and the driving force is sufficient. In order not to affect the generation of the vortex ring airflow, the motor and the gear 30 may be optionally placed outside the housing 1, so that the rack 40 is engaged with the gear 30 through the bottom wall surface 114 of the air duct 11. The motor drives the gear 30 to rotate so as to drive the rack 40 to move, and further drives the push plate 212 to move, so that the structure is simple, the implementation is easy, and the control is convenient.
In combination with the embodiment that the transmission member 222 includes the gear 30 and the rack 40 engaged with each other, please refer to fig. 7, further, the gear 30 is an incomplete gear 30, when the rack 40 is engaged with the toothed portion 30a of the incomplete gear 30, the push plate 212 is driven to move toward the ventilation opening 111 side, and when the rack 40 corresponds to the non-toothed portion 30b of the incomplete gear 30, the push plate 212 is driven to move toward the air blowing opening 121 side by the reset member 223.
In the present embodiment, the gear 30 is made to be an incomplete gear 30, and the gear 30 has a toothed portion 30a and a non-toothed portion 30 b. When the rack 40 is engaged with the toothed portion 30a of the incomplete gear 30, the motor drives the gear 30 to rotate to move the rack 40, thereby moving the push plate 212 toward the ventilation port 111 side, and compressing the restoring member 223. When the gear 30 rotates to the non-toothed part 30b corresponding to the rack 40, and at this time, the gear 30 and the rack 40 are separated from each other, the push plate 212 is pushed rapidly to move towards the side of the air supply opening 121 under the reset action of the reset piece 223, so that the air flow passes through the air supply opening 121 rapidly, and thus a vortex ring air flow is formed. By designing the ratio of the toothed part 30a to the toothless part 30b, that is, the number of teeth on the gear 30, the reciprocating distance of the push plate 212 can be controlled, so that the speed of the blown vortex ring airflow can be conveniently controlled, and directional, fixed-point and remote air supply can be realized. And when breaking away from each other through making gear 30 and rack 40, promote push plate 212 and move towards supply-air outlet 121 one side through the effect of piece 223 that resets, then compare motor drive push plate 212 and move towards supply-air outlet 121 one side, the promotion speed is faster, requires lowly to the motor speed, and then makes holistic design more reasonable, reduces overall cost.
In an embodiment, as shown in fig. 2 to 5, the restoring element 223 is a spring, the driving device 22 further includes a guiding rod 224, the guiding rod 224 is connected to the housing 1, the pushing plate 212 is provided with a guiding hole for the guiding rod 224 to pass through, and the spring is sleeved on the periphery of the guiding rod 224. It is understood that the push plate 212 is movable in the axial direction of the guide rod 224. The reset member 223 is a spring, which has a simple structure, sufficient reset driving force and low cost. By sleeving the spring around the guide rod 224, the guide rod 224 acts as a support and guide for the spring, and thus acts as a guide for the movement of the push plate 212.
On the basis of the above embodiment, further, the number of the guide rods 224 is multiple, the guide rods 224 are arranged at intervals along the circumferential direction of the push plate 212, the scroll ring generating portion 2 further includes the pressing member 25 connected to the push plate 212, the flexible member 211 is sandwiched between the push plate 212 and the pressing member 25, the guide rods 224 are arranged by penetrating the pressing member 25, and the spring is connected to the pressing member 25.
In this embodiment, a plurality of guide bars 224 may be uniformly spaced along the circumferential direction of the push plate 212. The number of the springs is also plural corresponding to the number of the guide rods 224. The guide rods 224 and the springs are arranged, so that the guiding and resetting effects are better. Through compressing tightly 25 and being connected with push pedal 212, and clamp flexible piece 211 and locate between the two, so, not only make being connected of flexible piece 211 and push pedal 212 more firm, simultaneously, when removing, compress tightly 25 and drive push pedal 212 along the axial displacement of guide bar 224 together to compressible spring has then increased the area of contact with guide bar 224, makes the direction more firm. The pressing member 25 may be a pressing ring or a pressing plate, and in order to reduce the weight of the entire vortex ring generation part 2, the pressing member 25 is designed in the form of a pressing ring.
In an embodiment, referring to fig. 2 and 4, the vortex ring generating device 100 further includes a fixing bracket 3, the fixing bracket 3 is connected to the flexible member 211 in a pressing manner and is connected to the housing 1, one end of the guide rod 224 is connected to the fixing bracket 3, and the other end is connected to the housing 1. The fixing support 3 may have a ring structure. The fixing support 3 and the shell 1 can be connected through screws, clamping, glue bonding and other modes. The flexible piece 211 is connected with the shell 1 through the fixed support 3 in a crimping mode, so that the connection between the flexible piece 211 and the shell 1 is firmer. And the fixing bracket 3 can play a role of connecting the fixing guide rod 224, so that the whole structure is more stable.
In an embodiment, referring to fig. 2 and fig. 3, the air duct 11 includes a bottom wall surface 114 and a peripheral wall surface 115, the air duct 11 further has a ventilation opening 111, and the ventilation opening 111 is opened on the bottom wall surface 114 and/or the peripheral wall surface 115. The ventilation opening 111 may be a plurality of holes provided at intervals, or may be an annular hole. In order to improve the ventilation effect, the plurality of ventilation ports 111 are formed at the junction between the bottom wall surface 114 and the peripheral wall surface 115 of the air duct 11.
The present invention further provides an indoor unit of an air conditioner, please refer to fig. 8 to 10, which includes a casing 200 and a vortex ring generating device 100, wherein the vortex ring generating device 100 is installed in the casing 200, and the specific structure of the vortex ring generating device 100 refers to the above embodiments. The indoor unit of the air conditioner can be an indoor unit of the air conditioner, a mobile air conditioner, an indoor unit of a wall-mounted air conditioner, a window unit and the like.
In an embodiment, the casing 200 of the indoor unit of the air conditioner has a main air inlet, a main air outlet, and a heat exchange air duct communicating the main air inlet and the main air outlet, the vortex ring generating device 100 is installed in the heat exchange air duct, and the ventilation opening 111 is communicated with the heat exchange air duct. The vortex ring generating device 100 can circularly blow out indoor air, and because the vortex ring airflow can realize remote air supply, the indoor temperature distribution is more uniform, and the indoor comfort level is improved.
In an embodiment, a plurality of ventilation holes are formed in the flow collecting piece 12, so that the push plate assembly 21 can introduce airflow in the heat exchange air channel through the ventilation holes when being pushed and pulled, and further the blown vortex ring airflow is the gas after heat exchange, and the heat exchange can be realized in the area far away from the indoor unit of the air conditioner by combining the characteristic of remote air supply of the vortex ring, so that the heat exchange efficiency of the indoor space is improved, the room temperature is more uniform, and the comfort level of a user is improved.
The invention further provides an air conditioner, which comprises an air conditioner indoor unit and an air conditioner outdoor unit which are connected through a refrigerant pipe, wherein the air conditioner indoor unit comprises a vortex ring generating device 100, the specific structure of the vortex ring generating device 100 refers to the embodiments, and the air conditioner indoor unit adopts all the technical schemes of all the embodiments, so that the air conditioner indoor unit at least has all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (16)
1. A vortex ring generating apparatus, comprising:
the air duct is provided with an air outlet, the flow collecting piece is installed at the air outlet, an air supply outlet communicated with the air duct is formed in the flow collecting piece, and the air passing area of the air supply outlet is smaller than that of the air outlet; and
the vortex ring generating part comprises a push plate assembly and a driving device, the push plate assembly is arranged in the shell and comprises a flexible part and a push plate connected to the flexible part, the flexible part is connected to the peripheral wall surface of the shell, the push plate faces the air supply opening, and the driving device drives the push plate to reciprocate in the shell to periodically drive air flow to be blown out of the air supply opening.
2. The vortex ring generating apparatus according to claim 1, wherein said flexible member is in a stretchable or retractable arrangement.
3. The vortex ring generating device according to claim 2, wherein when the flexible member is in a natural state, the flexible member is disposed in a flat sheet shape, a mounting hole is formed in a middle portion of the flexible member, and the push plate is correspondingly connected to the mounting hole.
4. The vortex ring generating device according to claim 1 or 2, wherein when said flexible member is in a natural state, said flexible member is disposed in a cylindrical shape and has a first end and a second end opposite to each other, said push plate is connected to said first end, said second end is connected to said housing and is disposed in an open configuration, and said flexible member is disposed in a gradually expanding manner from said first end to said second end.
5. The vortex ring generating apparatus according to claim 4, wherein said vortex ring generating portion further comprises a first mounting ring mounted to said first end and a second mounting ring mounted to said second end, said second mounting ring being attached to an inner wall surface of said housing, said first mounting ring being attached to said push plate.
6. The vortex ring generating apparatus according to claim 5, wherein a mounting step is provided on a peripheral wall surface of said air duct, and said second mounting ring is mounted to said mounting step.
7. The vortex ring generating apparatus according to claim 1, wherein the cross-sectional area of said push plate is greater than or equal to the air passing area of said air blowing port.
8. The vortex ring generating device according to claim 1, wherein said driving device comprises a driving member, a transmission member and a reset member, said transmission member is connected to said push plate, said driving member drives said transmission member to move said push plate toward one side of said housing, one end of said reset member is connected to said housing, and the other end of said reset member is connected to said push plate to drive said push plate to reset and move in a direction opposite to the transmission direction of said transmission member.
9. The vortex ring generating apparatus according to claim 8, wherein said driving member is a motor, said transmission member comprises a gear and a rack engaged with each other, said rack is connected to said pushing plate, and a driving shaft of said motor is fixedly connected to said gear to drive said rack to move and drive said pushing plate to move.
10. The vortex ring generating apparatus according to claim 9, wherein said gear is an incomplete gear, when said rack gear is engaged with a toothed portion (30a) of said incomplete gear, said rack gear drives said push plate to move toward a side away from said supply port, and when said rack gear is engaged with a non-toothed portion (30b) of said incomplete gear, said rack gear moves toward said supply port side by said reset member.
11. The vortex ring generating device according to any one of claims 8 to 10, wherein the restoring member is a spring, the driving device further comprises a guide rod, the guide rod is connected to the housing, the push plate is provided with a guide hole for the guide rod to pass through, and the spring is sleeved on the periphery of the guide rod.
12. The vortex ring generating device according to claim 11, wherein the number of the guide rods is plural, and the plural guide rods are arranged at intervals along the circumferential direction of the push plate, the vortex ring generating portion further includes a pressing member connected to the push plate, the flexible member is sandwiched between the push plate and the pressing member, the guide rods are arranged to penetrate through the pressing member, and the spring is connected to the pressing member.
13. The vortex ring generating apparatus according to claim 11, further comprising a fixing bracket crimped to said flexible member and coupled to said housing, wherein one end of said guide rod is coupled to said fixing bracket and the other end is coupled to said housing.
14. The vortex ring generating device according to claim 1, wherein the air duct comprises a bottom wall surface and a peripheral wall surface, and the air duct further comprises a ventilation opening, and the ventilation opening is formed in the bottom wall surface and/or the peripheral wall surface.
15. An indoor unit of an air conditioner, comprising a casing and the vortex ring generating device according to any one of claims 1 to 14, wherein the vortex ring generating device is mounted to the casing.
16. An air conditioner comprising an outdoor unit and the indoor unit as claimed in claim 15, wherein the outdoor unit is connected to the indoor unit through refrigerant pipes.
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| CN201911063595.4A CN112747365A (en) | 2019-10-31 | 2019-10-31 | Vortex ring generating device, air conditioner indoor unit and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911063595.4A CN112747365A (en) | 2019-10-31 | 2019-10-31 | Vortex ring generating device, air conditioner indoor unit and air conditioner |
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| CN113465074A (en) * | 2021-07-23 | 2021-10-01 | 西安建筑科技大学 | Vortex ring air supply device with high fresh air volume |
| CN114100889A (en) * | 2021-12-06 | 2022-03-01 | 无锡曲速智能科技有限公司 | Vortex ring fog gun |
| CN115013870A (en) * | 2022-06-30 | 2022-09-06 | 广东美的制冷设备有限公司 | Air outlet device, air conditioner indoor unit and air conditioner |
| CN115364604A (en) * | 2022-08-29 | 2022-11-22 | 浙江省特种设备科学研究院 | Vortex gun equipment for dust removal |
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