CN212959247U - High-performance impeller device, fan and range hood - Google Patents
High-performance impeller device, fan and range hood Download PDFInfo
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- CN212959247U CN212959247U CN202021035396.0U CN202021035396U CN212959247U CN 212959247 U CN212959247 U CN 212959247U CN 202021035396 U CN202021035396 U CN 202021035396U CN 212959247 U CN212959247 U CN 212959247U
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Abstract
The utility model discloses a high performance impeller device, fan and range hood, wherein impeller device includes first apron, well dish, second apron and a plurality of fan blade, wherein first apron the well dish with the second apron interval sets up, and is a plurality of the fan blade along circumference interval and activity set up in first apron with between the second apron be provided with the adjusting member on the well dish, the adjusting member is with a plurality of the fan blade cooperatees, is used for adjusting the import angle and/or the export angle of blade, its simple structure can show the produced noise of reduction impeller device during operation.
Description
Technical Field
The utility model relates to a kitchen electricity technical field especially relates to a high performance impeller device, fan and range hood.
Background
In the related art, the range hood has become one of indispensable kitchen household appliances in modern families, wherein air volume, wind pressure and noise are the core indexes of the range hood. When asking about which problems the consumers will encounter when using the household range hood, 85% of consumers will mention that the range hood has small suction force and unsatisfactory range hood effect, and the consumers generally think that the suction force is large and the range hood effect is good as the greatest requirements for purchasing the range hood. In recent years, the whole industry collectively enters the era of large suction force, the large suction force range hood also becomes the first choice for consumers to purchase range hoods, the market share of the large suction force range hood is increased far faster than that of other types of range hoods, and the large suction force range hood is really generally accepted by the wide consumers.
In recent years, the domestic cigarette machine market mainly pushes the concepts of large air volume and large suction all the time, and along with the gradual improvement of the air volume, the noise generated by the range hood is also increasingly large. When the range hood is opened during cooking, the voice, the telephone sound, the doorbell sound and the child sound can not be heard, even the strong noise can cause the adverse reactions of dysphoria, headache, palpitation and the like of housewives and kitchen operators, and the long-term use can cause serious influence on the physical and mental health. Therefore, the noise becomes the technical problem to be solved urgently in the existing range hood. Along with the improvement of the requirements of people on the living quality, users pay more and more attention to the noise parameters of the range hood when purchasing the range hood. The quality of the noise performance of the cigarette machine can be said to be a big key factor of the product competitiveness. The noise that range hood produced mainly concentrates on the fan, and the noise that its produced is very big when the impeller of fan is rotatory, seriously influences housewife and kitchen operating personnel's use experience.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model discloses an aim at provides a high performance impeller device, and its simple structure can show the produced noise of reduction impeller device during operation.
The above purpose is realized by the following technical scheme:
the utility model provides a high performance impeller device, includes first apron, well dish, second apron and a plurality of fan blade, wherein first apron well dish with the second apron interval sets up, and is a plurality of fan blade along circumference interval and activity set up in first apron with between the second apron be provided with adjusting member on the well dish, adjusting member and a plurality of the fan blade cooperatees, is used for adjusting the import angle and/or the export angle of blade.
In some embodiments, the fan blade includes a first blade, a second blade, and a rotating shaft connected between the first blade and the second blade, the first blade is disposed between the first cover plate and the middle disc, and the second blade is disposed between the middle disc and the second cover plate.
In some embodiments, the adjustment member includes an inner ring rotatably disposed on an inner edge of the centerdisk.
In some embodiments, the outer edge of the inner ring is provided with adjusting grooves distributed at intervals along the circumferential direction, and the inner edge of each fan blade is embedded into the corresponding adjusting groove.
In some embodiments, a locking structure is provided on the inner ring or the center plate, by which the inner ring is released or fixed.
In some embodiments, an outer ring is fixedly arranged on the outer edge of the middle disc, limiting grooves are circumferentially arranged on the inner edge of the outer ring at intervals, and the outer edge of each fan blade is respectively embedded into the corresponding limiting groove.
Another object of the utility model is to provide a fan, its simple structure can show the produced noise of reduction fan during operation, does benefit to the use that improves the user and experiences.
The above purpose is realized by the following technical scheme:
a fan having an impeller device as described above.
The utility model discloses a still another aim at provides a range hood, and its simple structure can show the produced noise of reduction range hood during operation, improves indexes such as range hood's wind pressure, amount of wind, does benefit to the use that improves the user and experiences.
The above purpose is realized by the following technical scheme:
a range hood has the fan as above.
Compared with the prior art, the utility model discloses an at least including following beneficial effect:
1. the utility model discloses a high performance impeller device, its simple structure can show the produced noise of reduction impeller device during operation.
2. The utility model discloses a fan, its simple structure can show the produced noise of reduction fan during operation, does benefit to the use that improves the user and experiences.
3. The utility model discloses a range hood, simple structure can show the produced noise of reduction range hood during operation, improves indexes such as range hood's wind pressure, amount of wind, does benefit to the use that improves the user and experiences.
Drawings
Fig. 1 is a schematic perspective view of an impeller device according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a fan blade in an embodiment of the present invention;
fig. 3 is a partial schematic view of an impeller device according to an embodiment of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.
The first embodiment is as follows: as shown in fig. 1, fig. 2 and fig. 3, the present embodiment provides a high performance impeller device, which includes a first cover plate 1, a middle disc 3, a second cover plate 2 and a plurality of blades 4, wherein the first cover plate 1, the middle disc 3 and the second cover plate 2 are arranged at intervals, the plurality of blades 4 are arranged between the first cover plate 1 and the second cover plate 2 at intervals and movably along the circumferential direction, an adjusting member 5 is arranged on the middle disc 3, and the adjusting member 5 is matched with the plurality of blades 4 for adjusting the inlet angle and/or the outlet angle of the blades 4.
The high-performance impeller device of the embodiment has a simple structure, and can obviously reduce the noise generated when the impeller device works. Specifically, the high-performance impeller device of the embodiment can reduce the phenomenon of fluid separation of the boundary layer of the fan blade 4 by adopting a fluid separation active control method, so that the noise level of the impeller device can be obviously improved, and the user experience is improved.
In the background art, when an impeller of a range hood rotates, a strong pressure gradient is formed on the windward side and the leeward side of the impeller of the range hood, so that a serious boundary layer fluid separation phenomenon is caused, the phenomenon is verified by experiments and simulation, and according to a wheel disc pressure cross section schematic diagram of the simulation, a lot of flow separation exists on the windward side and the leeward side of a fan blade. The invention takes the thought of active control into consideration, carries out innovative design on the impeller of the existing range hood, and reduces the boundary layer flow separation phenomenon of the fan blade.
Specifically, the fan blade 4 includes a first blade 41, a second blade 42 and a rotating shaft 43 connected between the first blade 41 and the second blade 42, the first blade 41 is disposed between the first cover plate 1 and the middle plate 3, and the second blade 42 is disposed between the middle plate 3 and the second cover plate 2, so that the first blade 41 and the second blade 42 can be linked, the first blade 41 and the second blade 42 can rotate around the axis of the rotating shaft 43, and the angle can be adjusted at will, thereby achieving the purpose of adjusting the inlet angle and/or the outlet angle of the blade 4. The middle disc 3 is disposed in the gap between the first blade 41 and the second blade 42, and shaft holes may be disposed on the middle disc 3 at intervals along the circumferential direction, and the rotating shaft 43 is inserted into the corresponding shaft holes.
Furthermore, the adjusting member 5 comprises an inner ring which is rotatably arranged on the inner edge of the middle disc 3, the structure is simple, the design is reasonable and ingenious, and the rotatable inner ring is matched with the plurality of blades 4 to adjust the inlet angles and/or the outlet angles of the blades 4, so that the inlet angles and/or the outlet angles of the blades 4 are simple and convenient.
Specifically, the outer edge of the inner ring is provided with adjusting grooves 50 distributed at intervals along the circumferential direction, and the inner edge of each fan blade 4 is respectively embedded into the corresponding adjusting grooves 50. More preferably, the outer edge of the inner ring is roughly in a sawtooth shape, the structure is simple, the design is reasonable and ingenious, the sawtooth-shaped inner ring is matched with the fan blades 4 and used for adjusting the inlet angles and/or the outlet angles of the fan blades 4, therefore, the balance of wind pressure, wind quantity and noise of the impeller device can be freely controlled, and meanwhile, the inlet angles and/or the outlet angles of the fan blades 4 are convenient and reliable.
In the present exemplary embodiment, a locking mechanism is provided on the inner ring or the central disk 3, by means of which locking mechanism the inner ring is released or fixed. Specifically, when the locking structure releases the inner ring, the inner ring may rotate in the circumferential direction to adjust the inlet angle and/or the outlet angle of the vane 4, and when the locking structure fixes the inner ring, the inner ring is fixed so as not to rotate in the circumferential direction, and at the same time, the vane 4 may be fixed so as to fix the inlet angle and/or the outlet angle of the vane 4.
Preferably, the outer ring 6 is fixedly arranged on the outer edge of the middle disc 3, the limiting grooves 60 are circumferentially distributed at intervals on the inner edge of the outer ring 6, and the outer edge of each fan blade 4 is respectively embedded into the corresponding limiting groove 60. More preferably, the inner edge of the outer ring is approximately sawtooth-shaped, and the outer ring is simple in structure, reasonable in design and ingenious. In this embodiment, the serrations on the outer edge of the inner ring are matched with those on the outer ring 6, and each pair of serrations is used for clamping one of the blades 4.
In the impeller device of the embodiment, the inner ring can rotate freely, when the locking structure loosens the inner ring, the inner ring can rotate along the circumferential direction to adjust the inlet angle and/or the outlet angle of the blades 4, and the outer ring 6 is fixedly arranged to be matched with the inner ring to adjust the angle of the blades; when the locking structure fixes the inner ring, which is fixed against rotation in the circumferential direction, the blades 4 are fixed by the serration engagement of the inner and outer rings 6 to fix the inlet and/or outlet angles of the blades 4.
For users with low floors, the air exhaust resistance is large, the maximum static pressure provided by the range hood is insufficient, the inner ring rotates anticlockwise through manual adjustment, the outer ring 6 rotates clockwise, the outlet angle of the fan blade 4 is increased, and the air pressure is improved;
for high-rise users, the air exhaust resistance is low, when the exhaust flow needs to be increased, the inner ring needs to rotate clockwise and the outer ring 6 needs to rotate anticlockwise through manual adjustment, so that the outlet angle of the fan blades 4 can be reduced, and the air volume is increased as much as possible.
Example two: the embodiment provides a fan, has as embodiment one the impeller device, its simple structure can show the produced noise of reduction fan during operation, does benefit to the use experience that improves the user.
Example three: the embodiment provides a range hood, has as embodiment two the fan, its simple structure can show the produced noise of reduction range hood during operation, improves indexes such as range hood's wind pressure, amount of wind, does benefit to the use that improves the user and experiences.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (8)
1. The utility model provides a high performance impeller device, its characterized in that includes first apron (1), well dish (3), second apron (2) and a plurality of fan blade (4), wherein first apron (1) well dish (3) with second apron (2) interval sets up, and is a plurality of fan blade (4) along circumference interval and activity set up in first apron (1) with between second apron (2) be provided with adjusting member (5) on well dish (3), adjusting member (5) cooperate with a plurality of fan blade (4) for adjust the entrance angle and/or the exit angle of fan blade (4).
2. The high-performance impeller device according to claim 1, wherein the fan blade (4) comprises a first blade (41), a second blade (42) and a rotating shaft (43) connected between the first blade (41) and the second blade (42), the first blade (41) is disposed between the first cover plate (1) and the middle disc (3), and the second blade (42) is disposed between the middle disc (3) and the second cover plate (2).
3. A high performance impeller device according to claim 1, characterized in that the adjusting member (5) comprises an inner ring, which is rotatably arranged on the inner edge of the centre disc (3).
4. A high performance impeller device according to claim 3, wherein the outer edge of the inner ring is provided with adjusting grooves (50) distributed at intervals along the circumferential direction, and the inner edge of each fan blade (4) is respectively embedded into the corresponding adjusting grooves (50).
5. A high performance impeller device according to claim 3, characterized in that locking structures are provided on the inner ring or the central disc (3), by means of which the inner ring is released or fixed.
6. The high-performance impeller device according to claim 4 or 5, characterized in that an outer ring (6) is fixedly arranged on the outer edge of the central disc (3), limiting grooves (60) are arranged on the inner edge of the outer ring (6) at intervals along the circumferential direction, and the outer edge of each fan blade (4) is respectively embedded into the corresponding limiting groove (60).
7. A fan having an impeller device according to any one of claims 1 to 6.
8. A range hood having a fan as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021035396.0U CN212959247U (en) | 2020-06-08 | 2020-06-08 | High-performance impeller device, fan and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021035396.0U CN212959247U (en) | 2020-06-08 | 2020-06-08 | High-performance impeller device, fan and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959247U true CN212959247U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021035396.0U Active CN212959247U (en) | 2020-06-08 | 2020-06-08 | High-performance impeller device, fan and range hood |
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| Country | Link |
|---|---|
| CN (1) | CN212959247U (en) |
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- 2020-06-08 CN CN202021035396.0U patent/CN212959247U/en active Active
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