CN111664117A - Intelligent adjustment's impeller device, fan and range hood - Google Patents
Intelligent adjustment's impeller device, fan and range hood Download PDFInfo
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- CN111664117A CN111664117A CN202010514632.5A CN202010514632A CN111664117A CN 111664117 A CN111664117 A CN 111664117A CN 202010514632 A CN202010514632 A CN 202010514632A CN 111664117 A CN111664117 A CN 111664117A
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- impeller device
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- 239000000779 smoke Substances 0.000 claims description 14
- 230000004044 response Effects 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000000670 limiting effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002829 reductive effect Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000010411 cooking Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 206010013954 Dysphoria Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010033557 Palpitations Diseases 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/287—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps with adjusting means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
Abstract
The invention discloses an intelligently-adjusted impeller device, a fan and a range hood, wherein the impeller device comprises a first cover plate, a middle disc, a second cover plate, a plurality of fan blades, an inner disc and a driving device, wherein the first cover plate, the middle disc and the second cover plate are arranged at intervals, the plurality of fan blades are circumferentially arranged at intervals and movably arranged between the first cover plate and the second cover plate, the fan blades penetrate through the middle disc, the inner disc is arranged in the middle disc, the outer edge of the inner disc is matched with the plurality of fan blades, the driving device is connected with the inner disc and is used for driving the inner disc to rotate so as to adjust the inlet angle and/or the outlet angle of the fan blades, the structure is simple, and the noise generated when the impeller device works can be remarkably reduced.
Description
Technical Field
The invention relates to the technical field of kitchen electricity, in particular to an intelligently adjusted impeller device, a fan and a 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.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the related art to some extent, and therefore an object of the present invention is to provide an intelligent adjustment impeller device which has a simple structure and can significantly reduce the noise generated when the impeller device is operated.
The above purpose is realized by the following technical scheme:
the utility model provides an intelligent regulation's impeller device, impeller device is used for in the fan, including first apron, well dish, second apron, a plurality of fan blade, inner disc and drive arrangement, wherein first apron 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, the fan blade wears to locate on the well dish, the inner disc sets up in well dish just the outer fringe of inner disc cooperatees with a plurality of the fan blade, drive arrangement with the inner disc is connected and is used for the drive the inner disc rotates in order to adjust 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, the second blade is disposed between the middle disc and the second cover plate, and the rotating shaft penetrates through the middle disc.
In some embodiments, the outer edge of the inner disk 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, the driving device is a motor, the motor is arranged on one side of the inner disc, a chassis is arranged on the other side of the inner disc, the chassis and the inner disc are assembled together, and a rotating shaft of the motor is connected with the chassis.
In some embodiments, a wind scooper is arranged outside the motor, and the wind scooper adopts a conical structure.
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.
In some embodiments, the outer ring includes an upper ring and a lower ring, the upper ring and the lower ring are spaced apart from each other, a locking groove is formed between the upper ring and the lower ring, and an outer edge of the middle disc is inserted into the locking groove.
In some embodiments, the connecting portions are arranged between the upper ring and the lower ring and are circumferentially spaced apart, the outer edge of the middle disc is provided with connecting grooves circumferentially spaced apart, and the connecting portions of the outer ring are inserted into the corresponding connecting grooves.
In some embodiments, a reduction member is disposed between the outer ring and the center disk.
The invention also aims to provide the fan which is simple in structure, can obviously reduce the noise generated when the fan works, and is beneficial to improving the use experience of users.
The above purpose is realized by the following technical scheme:
a fan having an impeller device as described above.
The invention further aims to provide the range hood which is simple in structure, can obviously reduce noise generated by the range hood during working, improves indexes such as wind pressure and wind volume of the range hood and is beneficial to improving use experience of users.
The above purpose is realized by the following technical scheme:
the utility model provides a range hood, includes box, controlling means, wind pressure response module and as above-mentioned the fan, wherein the fan set up in the box, wind pressure response module set up in the smoke vent department of box, controlling means respectively with wind pressure response module fan electric connection.
In some embodiments, the cooking device further comprises a cooking fume sensing module, and the cooking fume sensing module is electrically connected with the control device.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the intelligent adjustment impeller device is simple in structure, and can obviously reduce noise generated when the impeller device works.
2. The fan disclosed by the invention is simple in structure, can obviously reduce the noise generated when the fan works, and is beneficial to improving the use experience of a user.
3. The range hood disclosed by the invention has a simple structure, can obviously reduce the noise generated when the range hood works, improves indexes such as the air pressure and the air volume of the range hood and is beneficial to improving the use experience of a user.
Drawings
FIG. 1 is a perspective view of an impeller device in an embodiment of the present invention;
FIG. 2 is a schematic view of an assembly of an inner disc and a drive unit according to an embodiment of the present invention;
FIG. 3 is a partial schematic view of an impeller device in an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a fan blade according to an embodiment of the present invention;
FIG. 5 is a perspective view of an outer ring in an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a mid-tray in an embodiment of the present invention;
fig. 7 is a circuit block diagram of a range hood in an embodiment of the invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.
The first embodiment is as follows: as shown in fig. 1 to 6, this embodiment provides an intelligent adjustment's impeller device, impeller device is used in the fan, including first apron 1, well dish 3, second apron 2, a plurality of fan blades 4, inner disc 5 and drive arrangement 6, wherein first apron 1, well dish 3 and the interval setting of second apron 2, a plurality of fan blades 4 along circumference interval and activity set up between first apron 1 and second apron 2, fan blade 4 wears to locate on well dish 3, inner disc 5 sets up in well dish 3 and the outer fringe of inner disc 5 cooperatees with a plurality of fan blades 4, drive arrangement 6 is connected with inner disc 5 and is used for driving inner disc 5 to rotate in order to adjust the import angle and/or the export angle of blade 4.
The intelligent adjustment impeller device of the embodiment has a simple structure, and can obviously reduce the noise generated when the impeller device works. Specifically, the intelligently adjusted 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 disc 3, the second blade 42 is disposed between the middle disc 3 and the second cover plate 2, and the rotating shaft 43 penetrates through the middle disc 3. Therefore, 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, the angle can be adjusted at will, and the purpose of adjusting the inlet angle and/or the outlet angle of the blade 4 is achieved. 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 outer edge of the inner disk 5 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. Preferably, the outer edge of the inner disc 5 is roughly in a sawtooth shape, the structure is simple, the design is reasonable and ingenious, the outer edge of the inner disc 5 in the sawtooth shape is matched with the plurality of 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 this embodiment, the driving device 6 is a motor, the motor is disposed on one side of the inner disc 5, the chassis 7 is disposed on the other side of the inner disc 5, the chassis 7 and the inner disc 5 are assembled together, and the rotating shaft of the motor is connected with the chassis 7. The chassis 7 and the inner disc 5 are assembled together to form an inner disc assembly, a rotating shaft of the motor is connected with the chassis 7, and the motor drives the chassis 7 to rotate through the rotating shaft, so that the inner disc 5 can be driven. The relative position of the inner disc 5 can be adjusted by the positive rotation and the negative rotation of the motor so as to adjust the inlet angle and/or the outlet angle of the fan blade 4.
In addition, a separate motor is provided for driving the impeller device, i.e. there are two motors, each driving separately.
Preferably, the air guide cover 8 is arranged outside the motor, and the air guide cover 8 is of a conical structure, so that the wind resistance at the end part of the motor can be effectively reduced, the efficiency of the impeller device is improved, and the noise generated when the impeller device works is reduced.
In this embodiment, an outer ring 9 is fixedly disposed on an outer edge of the middle plate 3, limiting grooves 90 are disposed on an inner edge of the outer ring 9 at intervals along the circumferential direction, and an outer edge of each of the blades 4 is respectively embedded into the corresponding limiting grooves 90. More preferably, the inner edge of the outer ring 9 is roughly saw-toothed, and the structure is simple, and the design is reasonable and ingenious. In this embodiment, the teeth on the outer edge of the inner disc 5 are matched with the teeth on the inner edge of the outer ring 6, and each pair of teeth is used for clamping one fan blade 4 and adjusting the inlet angle and/or the outlet angle of the fan blade 4.
Preferably, the outer ring 9 comprises an upper ring 91 and a lower ring 92, the upper ring 91 and the lower ring 92 are arranged at intervals, a clamping groove 93 is formed between the upper ring 91 and the lower ring 92, the outer edge of the middle disc 3 is embedded into the clamping groove 93, the structure is simple, the design is reasonable and ingenious, and the connection stability and reliability between the middle disc 3 and the outer ring 9 can be effectively improved.
More preferably, the connecting portions 94 are circumferentially spaced between the upper ring 91 and the lower ring 92, the connecting grooves 30 are circumferentially spaced at the outer edge of the middle disc 3, and the connecting portions 94 of the outer ring 9 are embedded into the corresponding connecting grooves 30, so that the structure is simple, the design is reasonable and ingenious, and the stability and reliability of the connection between the middle disc 3 and the outer ring 9 can be further improved.
In the present embodiment, a return member is provided between the outer ring 9 and the central disc 3. Preferably, the return member is a return spring, whereby a rotational preload is maintained between the outer ring 9 and the intermediate disk 3 and a return force is maintained at the junction between the two. In the impeller device of the embodiment, the motor drives the sawteeth on the outer edge of the inner disc 5, and the sawteeth on the inner edge of the outer ring 6 are passive stressed parts and only provide restoring force, so that the free adjustment and installation and fixation of the inlet and outlet angles of the fan blades 4 can be realized through the structure.
For users with low floors, the air exhaust resistance is large, the maximum static pressure provided by the range hood is insufficient, the inner disc 5 rotates anticlockwise and the outer ring 9 rotates clockwise through automatic adjustment, so that 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 9 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: as shown in fig. 1 to 7, the present embodiment provides a range hood, which includes a box, a control device, a wind pressure sensing module and a fan as described in the second embodiment, wherein the fan is disposed in the box, the wind pressure sensing module is disposed at a smoke exhaust port of the box, and the control device is respectively electrically connected to the wind pressure sensing module and the fan. The novel range hood is simple in structure, noise generated during operation of the range hood can be remarkably reduced, indexes such as air pressure and air quantity of the range hood are improved, and use experience of users is improved.
Specifically, for users in low floors, the air exhaust resistance is large, the maximum static pressure provided by a smoke machine is insufficient, and when the resistance of a smoke exhaust port is detected to be large, namely the back pressure is large, the outlet angle of the fan blade 4 needs to be adjusted through the built-in wind pressure sensing module to be increased, so that the control device can control the driving device 6 to drive the inner disc 5 to rotate anticlockwise, the outer ring 9 rotates clockwise in a self-adaptive mode, and the static pressure provided by the fan is increased;
for high-rise users, the air exhaust resistance is not very large, when the exhaust flow needs to be increased, the outlet angle of the fan blades 4 can be reduced through the built-in air pressure sensing module when the resistance of the exhaust port is detected to be small, namely the back pressure is not large, so that the air volume is as large as possible, therefore, the control device can control the driving device 6 to drive the inner disc 5 to rotate clockwise, the outer ring 9 rotates anticlockwise in a self-adaptive mode, and the flow of the fan is increased.
Further, still including oil smoke response module, oil smoke response module and controlling means electric connection can further realize the automatically regulated to the fan from this. Specifically, through the oil smoke concentration of oil smoke response module detection user environment, when detecting oil smoke concentration when big, controlling means can control drive arrangement 6 drive inner disc 5 anticlockwise rotation, improves the wind pressure of fan, and the suction of increase fan to increase the impeller rotational speed, thereby both improved and held together cigarette suction, improve the flow again, thereby arrange the oil smoke rapidly.
The range hood of this embodiment detects through the oil smoke, and the declination of automatic control fan blade 4, and then control air inlet/static pressure does benefit to the use that improves the user and experiences.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (12)
1. An intelligently adjusted impeller device used in a fan is characterized by comprising a first cover plate (1), a middle disc (3), a second cover plate (2), a plurality of fan blades (4), an inner disc (5) and a driving device (6), wherein the first cover plate (1), the middle disc (3) and the second cover plate (2) are arranged at intervals, a plurality of fan blades (4) are arranged between the first cover plate (1) and the second cover plate (2) at intervals along the circumferential direction and movably, the fan blades (4) are arranged on the middle disc (3) in a penetrating way, the inner disc (5) is arranged in the middle disc (3), the outer edge of the inner disc (5) is matched with the fan blades (4), the driving device (6) is connected with the inner disc (5) and used for driving the inner disc (5) to rotate so as to adjust the inlet angle and/or the outlet angle of the blades (4).
2. The intelligent adjusting 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), the second blade (42) is disposed between the middle disc (3) and the second cover plate (2), and the rotating shaft (43) penetrates through the middle disc (3).
3. The intelligent-regulation impeller device according to claim 1, wherein the outer edge of the inner disk (5) is provided with regulation grooves (50) which are distributed at intervals along the circumferential direction, and the inner edge of each fan blade (4) is respectively embedded into the corresponding regulation groove (50).
4. A smart regulating impeller device according to claim 3, characterized in that the driving device (6) is a motor, the motor is arranged on one side of the inner disk (5), a chassis (7) is arranged on the other side of the inner disk (5), the chassis (7) and the inner disk (5) are assembled together, and the rotating shaft of the motor and the chassis (7) are connected together.
5. The intelligent adjusting impeller device according to claim 4, wherein a wind scooper (8) is arranged outside the motor, and the wind scooper (8) adopts a conical structure.
6. The intelligent regulating impeller device according to any one of claims 1 to 5, wherein an outer ring (9) is fixedly arranged on the outer edge of the central disc (3), limiting grooves (90) are circumferentially arranged on the inner edge of the outer ring (9) at intervals, and the outer edge of each fan blade (4) is respectively embedded into the corresponding limiting groove (90).
7. A smart regulated impeller device according to claim 6, characterized in that the outer ring (9) comprises an upper ring (91) and a lower ring (92), the upper ring (91) and the lower ring (92) are arranged at intervals, a clamping groove (93) is formed between the upper ring (91) and the lower ring (92), and the outer edge of the central disc (3) is embedded in the clamping groove (93).
8. A smart regulating impeller device according to claim 7, characterized in that connecting portions (94) are provided between the upper ring (91) and the lower ring (92) and circumferentially spaced connecting slots (30) are provided on the outer rim of the central disc (3), the connecting portions (94) of the outer ring (9) being embedded in the corresponding connecting slots (30).
9. A smart regulated impeller device according to claim 8, characterized in that a reset member is provided between the outer ring (9) and the central disc (3).
10. A fan having an impeller device according to any one of claims 1 to 9.
11. A range hood, characterized by, including box, controlling means, wind pressure response module and as claim 10 the fan, wherein the fan set up in the box, the wind pressure response module set up in the smoke vent department of box, controlling means respectively with the wind pressure response module the fan electric connection.
12. The range hood of claim 11, further comprising a smoke sensing module, wherein the smoke sensing module is electrically connected to the control device.
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CN212959246U (en) * | 2020-06-08 | 2021-04-13 | 华帝股份有限公司 | Intelligent adjustment's impeller device, fan and range hood |
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GB1001153A (en) * | 1960-09-08 | 1965-08-11 | Firth Cleveland Ltd | Improvements relating to rotors for flow machines |
DE2606817A1 (en) * | 1976-02-20 | 1977-09-08 | Heidolph Elektro Kg | Centrifugal impeller for fans - has central disc on which straight or curved fan blades are mounted |
EP2221486A2 (en) * | 2009-02-19 | 2010-08-25 | Faber S.p.A. | Impeller for fans |
CN206207518U (en) * | 2016-11-11 | 2017-05-31 | 宁波方太厨具有限公司 | A kind of noise reduction impeller and application have the range hood of the impeller |
CN207064321U (en) * | 2017-08-15 | 2018-03-02 | 芜湖美的厨房电器制造有限公司 | Range hood, impeller assembly and blower fan apparatus for range hood |
CN207777269U (en) * | 2017-12-19 | 2018-08-28 | 宁波朗迪叶轮机械有限公司 | A kind of through-flow fan blade and air-conditioning |
CN209818390U (en) * | 2019-04-02 | 2019-12-20 | 浙江帅康电气股份有限公司 | Centrifugal impeller |
CN209908838U (en) * | 2019-04-03 | 2020-01-07 | 鞍山钢峰风机有限责任公司 | Assembled centrifugal fan impeller of adjustable blade angle |
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