CN108895031B - Supercharging device, fan and range hood - Google Patents
Supercharging device, fan and range hood Download PDFInfo
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- CN108895031B CN108895031B CN201810945167.3A CN201810945167A CN108895031B CN 108895031 B CN108895031 B CN 108895031B CN 201810945167 A CN201810945167 A CN 201810945167A CN 108895031 B CN108895031 B CN 108895031B
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- supercharging
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- hole
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- 239000000779 smoke Substances 0.000 claims abstract description 79
- 238000009423 ventilation Methods 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000001914 filtration Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000002829 reductive effect Effects 0.000 description 13
- 239000006233 lamp black Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 235000021403 cultural food Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a supercharging device, a fan and a range hood, and relates to the technical field of purifying equipment. The pressurizing device comprises a pressurizing plate, wherein the pressurizing plate is provided with a vent hole, and the plate surface of the pressurizing plate is provided with a pressurizing body; the fan comprises a fan body, a driving part and the supercharging device, wherein an air inlet is formed in a volute of the fan body, the driving part is arranged on the volute, and a supercharging plate of the supercharging device is fixedly connected to a driving end of the driving part; the range hood comprises a shell and the fan, wherein a smoke suction opening and a smoke exhaust opening are formed in the shell, the fan is arranged in the shell, an air inlet of the fan is communicated with the smoke suction opening, and an air outlet of the fan is communicated with the smoke exhaust opening. In the running process of the supercharging device, on the basis of filtering and purifying the oil smoke air flow entering the volute, the supercharging body on the supercharging plate is used as a supercharger to compensate and even improve the suction performance of the fan, and correspondingly compensate and even improve the purifying effect of the range hood.
Description
Technical Field
The invention relates to the technical field of purifying equipment, in particular to a supercharging device, a fan and a range hood.
Background
The traditional Chinese food culture manufacturing process comprises frying, roasting and the like, a large amount of oil smoke is generated in the food manufacturing process, the oil smoke not only has serious environmental pollution to a kitchen, but also has serious harm to a body and even cancer caused by long-term stay of kitchen operators in the oil smoke environment, so that the range hood is widely applied to the kitchen, and is an electric appliance such as the oil smoke generated when a household kitchen is used for sucking and cooking.
During operation of the range hood, the fan arranged in the shell of the range hood generates suction force, so that the shell of the range hood is in a negative pressure state, oil smoke in a kitchen flows into the shell under the action of internal and external pressure differences and is finally conveyed to a designated position, the fan is a purifying power source in the range hood and plays a vital role, however, oil smoke particles in the oil smoke flow can adhere to a volute of the fan and parts in the volute to form oil dirt in the range hood, the oil dirt can cause adverse effects on normal operation of the fan, and people can be provided with a filtering device at an air inlet of the fan in order to reduce the occurrence of the situations, however, the filtering device can block the oil smoke flow entering the fan, so that the resistance of the oil smoke flow flowing into the fan is increased, and the suction performance of the fan is correspondingly reduced.
Namely, the air outlet of the fan of the existing range hood is provided with the filtering device, so that the resistance of the fume flow entering the fan is increased, and the purification performance of the fan and the range hood is correspondingly reduced.
Disclosure of Invention
The invention aims to provide a supercharging device, a fan and a range hood, and aims to solve the technical problems that in the prior art, a filter device is arranged at an air outlet of the fan of the range hood, so that resistance of lampblack airflow entering the fan is increased, and purification performance of the fan and the range hood is correspondingly reduced.
The invention provides a supercharging device, which comprises a supercharging plate, wherein a ventilation hole is formed in the supercharging plate, a supercharging body is arranged on the plate surface of the supercharging plate, and when the supercharging plate rotates around the axis of the supercharging plate, the supercharging body can drive air flow on one side of the supercharging plate to flow to the other side of the supercharging plate through the ventilation hole.
Further, the pressurizing body comprises a plurality of pressurizing blades, and the pressurizing blades are radially distributed on the plate surface of the pressurizing plate.
Further, the ventilation hole comprises a plurality of strip-shaped holes, the strip-shaped holes are radially distributed on the pressurizing plate, the pressurizing blades are in one-to-one correspondence with the strip-shaped holes, and the pressurizing blades are arranged at the edge of one side of the strip-shaped holes along the length direction of the strip-shaped holes.
Further, the strip-shaped hole is formed by processing the pressurizing plate, and the cutting body corresponding to the strip-shaped hole is connected to the pressurizing plate along one side edge of the length direction of the strip-shaped hole, and is folded to one side of the pressurizing plate to form the pressurizing blade.
Further, the strip-shaped hole comprises a plurality of first hole bodies and a plurality of second hole bodies, the first hole bodies are radially arranged, and the second hole bodies are sequentially arranged at positions between the adjacent first hole bodies at intervals.
The invention further aims to provide a fan which comprises a fan body, a driving component and the supercharging device, wherein an air inlet is formed in a volute of the fan body, the driving component is arranged on the volute, a supercharging plate of the supercharging device is fixedly connected to a driving end of the driving component, the driving component is used for driving the supercharging plate to rotate around the axis of the supercharging plate, and a supercharging body on the supercharging plate drives air outside the supercharging plate to flow into the volute through the air inlet and the air vent.
Further, the pressurizing plate of the pressurizing device is plugged on the air inlet of the volute, and the pressurizing body of the pressurizing device is arranged on the inner plate surface of the pressurizing plate.
Further, an impeller is arranged in the volute of the fan body, and the impeller is fixedly connected to the driving shaft of the driving component.
Further, the pressurizing body comprises a plurality of pressurizing blades, the pressurizing blades are radially arranged on the surface of the pressurizing plate, and the rotation direction of the pressurizing blades is opposite to that of the driving blades on the impeller.
The invention further aims to provide a range hood which comprises a shell and the fan, wherein a smoke suction opening and a smoke exhaust opening are formed in the shell, the fan is arranged in the shell, an air inlet of the fan is communicated with the smoke suction opening, and an air outlet of the fan is communicated with the smoke exhaust opening.
The supercharging device, the fan and the range hood have the beneficial effects that:
The invention provides a supercharging device, a fan and a range hood, wherein the supercharging device comprises a supercharging plate serving as a substrate, a ventilation hole for allowing oil smoke air flow to pass through and filtering and purifying oil smoke particles in the oil smoke air flow, and a supercharging body for driving the oil smoke air flow on one side of the supercharging plate to flow to the other side of the supercharging plate through the ventilation hole along with rotation of the supercharging plate; the fan comprises a volute for forming an oil supply smoke flow to flow through the air duct, a driving component for driving the supercharging plate of the supercharging device to rotate, and the supercharging device which can filter the smoke flow flowing into the volute and can drive the external smoke flow to flow into the volute when the fan operates; the range hood comprises a shell for containing a fan and oil smoke air flow, and a smoke suction port for allowing the external oil smoke air flow to enter the shell and a smoke discharge port for supplying oil smoke air flow to be discharged out of the shell are arranged on the shell.
When the range hood is required to be used, the fan body and the driving part are started, the fan body can suck the space inside the shell into a negative pressure state, external oil smoke flows into the shell through the smoke suction port under the action of internal and external pressure difference, then flows into the volute through the vent hole on the pressurizing plate of the pressurizing device and the air inlet of the fan, is discharged through the air outlet of the fan and the smoke discharge port of the range hood, and finishes the suction and discharge of oil smoke.
When the fan body operates, the driving part drives the supercharging plate to synchronously rotate with the supercharging plate, and when the oil smoke gas flow entering the volute through the vent holes on the supercharging plate passes through the vent holes, the vent holes filter and purify the oil smoke gas flow in the oil smoke gas flow so as to reduce the oil smoke content in the oil smoke gas flow entering the fan, correspondingly reduce the adhesion of oil smoke particles in the oil smoke gas flow on all parts in the fan and influence the occurrence of normal working conditions of all parts; meanwhile, the supercharging body on the supercharging plate is equivalent to a supercharger to suck the inside of the shell when rotating along with the driving part, so that external lampblack airflow is promoted to enter the inside of the shell, the supercharging effect of the fan is improved, the resistance of the supercharging plate to the lampblack airflow flowing into the inside of the volute is compensated, the suction performance of the fan is compensated and even improved, and the purifying effect of the lampblack absorber is correspondingly compensated and even improved.
Namely, in the running process of the supercharging device, on the basis that the fume and air flow entering the volute can be filtered and purified, the supercharging body on the supercharging plate is used as a supercharger to compensate and even improve the suction performance of the fan, and correspondingly compensate and even improve the purifying effect of the fume exhauster.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic three-dimensional structure of a fan according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an external structure and a schematic diagram of a partial internal structure of a fan according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a blower provided by an embodiment of the present invention;
Fig. 4 is a schematic three-dimensional structure of a supercharging device according to an embodiment of the present invention;
Fig. 5 is a schematic view of a partial enlarged structure of a in fig. 4.
Icon: 1-pressurizing plate; 2-ventilation holes; 3-supercharging blades; 4-volute; 5-a driving part; 6-impeller; 7-fixing the cap; 11-edge wrapping; 21-a first aperture; 22-a second aperture; 23-filling the hole; 41-an air inlet; 42-air outlet.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The embodiment provides a supercharging device, as shown in fig. 4, including a supercharging plate 1, a ventilation hole 2 is provided on the supercharging plate 1, a supercharging body is provided on the plate surface of the supercharging plate 1, and when the supercharging plate 1 rotates around its axis, the supercharging body can drive the air flow on one side of the supercharging plate 1 to flow to the other side of the supercharging plate 1 through the ventilation hole 2.
The embodiment further provides a fan, as shown in fig. 1-3, including a fan body, a driving component 5 and the supercharging device, an air inlet 41 is arranged on a volute 4 of the fan body, the driving component 5 is arranged on the volute 4, a supercharging plate 1 of the supercharging device is fixedly connected to a driving end of the driving component 5, the driving component 5 is used for driving the supercharging plate 1to rotate around an axis of the supercharging plate, and an air flow outside the supercharging body on the supercharging plate 1 is driven to flow into the volute 4 through a ventilation hole 2 and the air inlet 41.
The embodiment also provides a range hood, which comprises a shell and the fan, wherein the shell is provided with a smoke suction opening and a smoke exhaust opening, the fan is arranged in the shell, an air inlet 41 of the fan is communicated with the smoke suction opening, and an air outlet 42 of the fan is communicated with the smoke exhaust opening.
The supercharging device, the fan and the range hood provided by the embodiment, wherein the supercharging device comprises a supercharging plate 1 serving as a base body, a ventilation hole 2 for allowing oil smoke air flow to pass through and filtering and purifying oil smoke particles in the oil smoke air flow, and a supercharging body for driving the oil smoke air flow on one side of the supercharging plate 1 to flow to the other side of the supercharging plate 1 through the ventilation hole 2 along with the rotation of the supercharging plate 1; the fan comprises a volute 4 for forming an oil supply smoke flow to flow through the air duct, a driving component 5 for driving the supercharging plate 1 of the supercharging device to rotate, and the supercharging device which can filter the smoke flow flowing into the volute 4 and simultaneously drive the external smoke flow to flow into the volute 4 when the fan operates; the range hood comprises a shell for containing a fan and oil smoke air flow, and a smoke suction port for allowing the external oil smoke air flow to enter the shell and a smoke discharge port for supplying oil smoke air flow to be discharged out of the shell are arranged on the shell.
When the range hood is required to be used, the fan body and the driving part 5 are started, the fan body can suck the space inside the shell into a negative pressure state, external oil smoke flows into the shell through the smoke suction port under the action of internal and external pressure difference, then flows into the volute 4 through the vent hole 2 on the booster plate 1 of the booster device and the air inlet 41 of the fan, is discharged through the air outlet 42 of the fan and the smoke discharge port of the range hood, and completes the suction and discharge of oil smoke.
When the fan body runs, the driving part 5 drives the pressurizing plate 1 to synchronously rotate with the pressurizing plate, and when the oil smoke gas flow entering the volute 4 through the vent holes 2 on the pressurizing plate 1 passes through the vent holes 2, the vent holes 2 filter and purify the oil smoke gas flow in the oil smoke gas flow so as to reduce the oil smoke content in the oil smoke gas flow entering the fan, and accordingly, the adhesion of oil smoke particles in the oil smoke gas flow on all parts in the fan is reduced, and the normal working condition of all parts is influenced; meanwhile, the supercharging body on the supercharging plate 1 is equivalent to a supercharger to suck the inside of the shell when rotating along with the driving part 5, so that external lampblack airflow is promoted to enter the inside of the shell, the supercharging effect of the fan is improved from the inside of the shell to the inside of the volute 4, the resistance of the supercharging plate 1 to the lampblack airflow flowing into the inside of the volute 4 is compensated, the sucking performance of the fan is compensated and even improved, and the purifying effect of the lampblack absorber is correspondingly compensated and even improved.
Namely, in the running process of the supercharging device, on the basis that the lampblack airflow entering the volute 4 can be filtered and purified, the supercharging body on the supercharging plate 1 serves as a supercharger, so that the suction performance of a fan can be compensated and even improved, and the purifying effect of the lampblack absorber can be correspondingly compensated and even improved.
Specifically, in this embodiment, as shown in fig. 3, an impeller 6 may be disposed in the volute 4 of the fan body, and the impeller 6 is fixedly connected to the driving shaft of the driving component 5. The driving part 5 is fixedly arranged on the volute 4, the impeller 6 is arranged in the volute 4, the impeller 6 is fixedly arranged on a driving shaft of the driving part 5, the pressurizing plate 1 of the pressurizing device can be fixedly arranged at the end part of the driving shaft of the driving part 5 through the fixing cap 7, and when the fan operates, the driving part 5 can drive the impeller 6 and the pressurizing plate 1 to synchronously rotate along with the driving shaft, so that the energy output is reduced, and the working efficiency of the fan is improved; in addition, the number of driving devices in the fan can be reduced, so that the fan structure is simpler. Specifically, the driving part 5 may include a driving motor, and the pressurizing body may be provided at one side or both sides of the pressurizing plate 1.
In this embodiment, as shown in fig. 4 and 5, a wrapping edge 11 may be further provided along the periphery Xiang Bao of the booster plate 1 at the edge of the booster plate 1, so as to improve the strength of the booster plate 1 and reduce the occurrence of stress deformation.
In this embodiment, as shown in fig. 4 and 5, the pressurizing body may include a plurality of pressurizing blades 3, and the plurality of pressurizing blades 3 are radially arranged on the plate surface of the pressurizing plate 1. Here, in a specific form of the booster, a plurality of radial booster blades 3 form another impeller 6, when the fan operates, the driving component 5 generates suction force to drive the oil smoke air flow outside the volute 4 to enter the volute 4, wherein the booster rotates to drive the oil smoke air flow inside the housing to enter the volute 4 from outside to inside through the vent holes 2 on the booster plate 1, and the suction performance of the impeller 6 in the driving component 5 is compensated and improved.
Specifically, in this embodiment, the ventilation hole 2 may include a plurality of strip-shaped holes, the plurality of strip-shaped holes are radially arranged on the supercharging plate 1, the supercharging blades 3 are in one-to-one correspondence with the strip-shaped holes, and are disposed at an edge of one side of the strip-shaped holes along a length direction of the strip-shaped holes. The supercharging blades 3 are arranged at the edges of the strip-shaped holes in a one-to-one correspondence manner, in the rotation process of the supercharging plate 1, the driving force formed by the supercharging blades 3 can directly act on the lampblack air flow at two sides of the supercharging plate 1 through the ventilation holes 2, so that the blocking weakening of the supercharging plate 1 on the supercharging effect of the supercharging body is reduced, the supercharging effect of the supercharging body is improved, and the suction and purification effects of a fan and a range hood are correspondingly enhanced; in addition, the greasy dirt adhered to the strip-shaped holes through filtration flows to the outer edges of the strip-shaped holes under the action of centrifugal force and is thrown out, so that the occurrence of blocking of the vent holes 2 caused by the adhesion of the greasy dirt to the supercharging plate 1 is reduced.
In this embodiment, as shown in fig. 5, the strip-shaped hole may be formed on the supercharging plate 1, and the cutting body corresponding to the strip-shaped hole is connected to the supercharging plate 1 along one side of the length direction of the strip-shaped hole, and turned over to one side of the supercharging plate 1 to form the supercharging blade 3. In this embodiment, the pressurizing vane 3 of the pressurizing body is formed by cutting or punching the pressurizing plate 1 to form the contour of the strip-shaped hole, wherein one side of the cut-out cutting body along the length direction of the strip-shaped hole is partially or completely connected to the pressurizing plate 1 (i.e. the part is not processed), and then the cutting body is turned over to one side of the pressurizing plate 1 along the connection part to form a flanging, and the flanging forms the pressurizing vane 3; by adopting the method, on one hand, the processing of the supercharging blade 3 and the connection operation with the supercharging plate 1 are facilitated, the supercharging blade 3 and the supercharging plate 1 are integrally formed, the connection firmness is high, and the situation that the supercharging blade 3 falls off from the supercharging plate 1 in the rotation process of the supercharging plate 1 can be effectively reduced; on the other hand, the supercharging blade 3 is directly processed and manufactured on the supercharging plate 1, and the supercharging blade 3 does not need to be additionally processed, so that the processing cost of the supercharging device can be effectively reduced, and the cost of a fan and a range hood is correspondingly reduced. Specifically, the height of the supercharging blade 3 formed by the flanging can be 5 mm-10 mm.
Specifically, in this embodiment, as shown in fig. 4 and 5, the strip-shaped hole may include a plurality of first hole bodies 21 and a plurality of second hole bodies 22, where the plurality of first hole bodies 21 are radially arranged, and the plurality of second hole bodies 22 are sequentially arranged at positions between adjacent first hole bodies 21 at intervals; the vent hole 2 may further include a filling hole 23, and the filling hole 23 is provided in a region surrounded between the inner end of the second hole body 22 and the first hole body 21 adjacent to both sides. Here, the specific structure and the arrangement form of ventilation hole 2, wherein, first hole body 21 is as basic hole to locate on the pressure increasing board 1, and second hole body 22 carries out make full use of to the clearance between the first hole body 21, and the clearance between first hole body 21 and the second hole body 22 is then fully utilized to the filling hole 23, on the basis that the corresponding pressure boost blade 3 of rolling over in bar hole can play the pressure boost effect, increase ventilation area of ventilation hole 2 as far as, reduce the resistance effect that pressure increasing board 1 formed to the oil smoke air current entering spiral case 4 inside, the suction performance of fan is improved correspondingly.
In this embodiment, as shown in fig. 4 and 5, each of the first hole body 21, the second hole body 22, and the filling hole 23 has an arc shape with the same bending direction, and the supercharging blade 3 has an arc shape accordingly. Here, a specific shape of the first hole body 21, the second hole body 22 and the filling hole 23 forms an arc radial vent hole 2 together, and correspondingly, the supercharging blades 3 outside the vent hole 2 also form an arc radial supercharging body together, so that the supercharging effect of the supercharging body in the rotation process of the supercharging plate 1 can be effectively enhanced. Specifically, as shown in fig. 2, the rotation direction of the vent hole 2 is consistent with the rotation direction of the driving motor, so as to facilitate the throwing-out of the greasy dirt.
Specifically, in this embodiment, as shown in fig. 2, the rotation direction of the supercharging blade 3 may be opposite to the rotation direction of the driving blade on the impeller 6. The supercharging blades 3 and the driving blades on the impeller 6 are arc-shaped, and when the supercharging body and the impeller 6 rotate along with the driving part 5, the driving and sucking effects on the lampblack airflow are better.
The ventilation holes 2 and the supercharging blades 3 may be linear outside the arc shape.
In this embodiment, as shown in fig. 1 and 2, a pressurizing plate 1 of the pressurizing device may be plugged onto an air inlet 41 of the volute 4, and a pressurizing body of the pressurizing device is disposed on an inner plate surface of the pressurizing plate 1. The pressurizing plate 1 is blocked on the air inlet 41 of the volute 4, and the oil smoke flow outside the volute 4 can flow into the volute 4 only through the vent holes 2 on the pressurizing plate 1, namely, all the oil smoke flow needs to be filtered and purified through the vent holes 2 on the pressurizing plate 1, so that the purifying effect of the pressurizing plate 1 on the oil smoke flow is improved, and the pollution, blockage and damage of the oil smoke flow on all parts inside the volute 4 are reduced; in addition, the pressurizing body is positioned inside the volute 4, so that damage to the pressurizing body caused by external factors can be effectively reduced on the basis of realizing the pressurizing effect.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present invention.
Claims (8)
1. The supercharging device is characterized by comprising a supercharging plate (1), wherein a ventilation hole (2) is formed in the supercharging plate (1), a supercharging body is arranged on the plate surface of the supercharging plate (1), and when the supercharging plate (1) rotates around the axis of the supercharging plate, the supercharging body can drive air on one side of the supercharging plate (1) to flow to the other side of the supercharging plate (1) through the ventilation hole (2);
The supercharging body comprises a plurality of supercharging blades (3), and the plurality of supercharging blades (3) are radially distributed on the surface of the supercharging plate (1);
The air vent (2) comprises a plurality of strip-shaped holes, the strip-shaped holes are radially distributed on the pressurizing plate (1), the pressurizing blades (3) are in one-to-one correspondence with the strip-shaped holes, and the pressurizing blades are arranged at the edge of one side of the strip-shaped holes along the length direction of the strip-shaped holes;
The edge of the pressure increasing plate (1) is provided with a wrapping edge (11) along the periphery Xiang Bao.
2. Supercharging device according to claim 1, characterized in that the strip-shaped hole is machined in the supercharging plate (1), the corresponding cutting body of the strip-shaped hole is connected to the supercharging plate (1) along one side of the length direction of the strip-shaped hole, and the supercharging blade (3) is formed by folding the strip-shaped hole towards one side of the supercharging plate (1).
3. Supercharging device according to claim 1 or 2, characterized in that the strip-shaped hole comprises a plurality of first hole bodies (21) and a plurality of second hole bodies (22), the first hole bodies (21) are radially arranged, and the second hole bodies (22) are sequentially arranged at intervals between adjacent first hole bodies (21).
4. A fan, characterized by, including fan body, drive part (5) and the supercharging device of any one of claims 1-3, be equipped with air intake (41) on spiral case (4) of fan body, drive part (5) are located on spiral case (4), supercharging device's supercharging plate (1) rigid coupling in on the drive end of drive part (5), drive part (5) are used for the drive supercharging plate (1) rotate around its axis, the supercharging body on supercharging plate (1) drives the air current of its outside to flow through ventilation hole (2) and air intake (41) inflow spiral case (4) are inside.
5. The fan according to claim 4, characterized in that a supercharging plate (1) of the supercharging device is plugged onto an air inlet (41) of the volute (4), and a supercharging body of the supercharging device is arranged on an inner plate surface of the supercharging plate (1).
6. Fan according to claim 4 or 5, characterized in that an impeller (6) is arranged in the volute (4) of the fan body, which impeller (6) is fixedly connected to the drive shaft of the drive component (5).
7. The fan according to claim 6, wherein the booster body comprises a plurality of booster blades (3), the booster blades (3) are radially arranged on the plate surface of the booster plate (1), and the rotation direction of the booster blades (3) is opposite to the rotation direction of the driving blades on the impeller (6).
8. A range hood, characterized by comprising a shell and the fan according to any one of claims 4-7, wherein a smoke suction port and a smoke exhaust port are arranged on the shell, the fan is arranged in the shell, an air inlet (41) of the fan is communicated with the smoke suction port, and an air outlet (42) of the fan is communicated with the smoke exhaust port.
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| CN201810945167.3A CN108895031B (en) | 2018-08-17 | 2018-08-17 | Supercharging device, fan and range hood |
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| CN201810945167.3A CN108895031B (en) | 2018-08-17 | 2018-08-17 | Supercharging device, fan and range hood |
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| CN108895031A CN108895031A (en) | 2018-11-27 |
| CN108895031B true CN108895031B (en) | 2024-06-04 |
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| CN108895031A (en) | 2018-11-27 |
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