CN113776095B - Noise reduction structure for range hood and range hood - Google Patents
Noise reduction structure for range hood and range hood Download PDFInfo
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- CN113776095B CN113776095B CN202110598404.5A CN202110598404A CN113776095B CN 113776095 B CN113776095 B CN 113776095B CN 202110598404 A CN202110598404 A CN 202110598404A CN 113776095 B CN113776095 B CN 113776095B
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- heat exchange
- range hood
- noise
- uproar
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- 230000009467 reduction Effects 0.000 title claims abstract description 104
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000007921 spray Substances 0.000 claims abstract description 73
- 239000003595 mist Substances 0.000 claims abstract description 22
- 238000005507 spraying Methods 0.000 claims description 33
- 239000000779 smoke Substances 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 19
- 235000019504 cigarettes Nutrition 0.000 claims description 18
- 238000001704 evaporation Methods 0.000 claims description 18
- 230000008020 evaporation Effects 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 13
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000000889 atomisation Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 206010033557 Palpitations Diseases 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
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- 238000004140 cleaning Methods 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
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- 231100000869 headache Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
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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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5846—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling by injection
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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
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a noise reduction structure for a range hood and the range hood, wherein the noise reduction structure for the range hood comprises a range hood main body, a box body is arranged on the range hood main body, a fan is arranged in the box body, the range hood further comprises a noise reduction plate, a spray assembly and a heat exchange assembly, the noise reduction plate is arranged on the inner wall of the box body and is used for reducing noise and guiding the noise into the noise reduction plate, the spray assembly is arranged on the noise reduction plate and is communicated with external water supply, the heat exchange assembly is arranged on the spray assembly and is suitable for carrying out heat exchange on the external water supply so as to reduce the temperature of the external water supply, water mist is generated through the operation of the spray assembly, and the generated water mist is sprayed into the noise reduction plate so as to convert the noise entering the noise reduction plate. The range hood is simple in structure, and the noise reduction effect of the range hood and the use experience of a user can be effectively improved.
Description
Technical Field
The invention relates to the technical field of kitchen electricity, in particular to a noise reduction structure for a range hood and the range hood.
Background
In the related technology, the 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 larger and larger. In the cooking process of most range hoods, after the range hood is opened, the voice, the telephone sound, the doorbell sound and the child sound cannot be heard, even the strong noise can cause adverse reactions such as dysphoria, headache, palpitation and the like to housewives and kitchen operators, and the long-term use can cause serious influence on the physical and mental health. Therefore, the noise becomes a technical problem to be solved urgently in the existing range hood.
Disclosure of Invention
The invention aims to solve at least one of the problems in the prior art to a certain extent, and therefore, the invention provides a noise reduction structure for a range hood, which has a simple structure and can effectively improve the noise reduction effect of the range hood and the use experience of a user.
In addition, the invention also provides a range hood which is reasonable in design and can effectively improve the use experience of users.
The first object is achieved by the following technical scheme:
the utility model provides a structure of making an uproar falls for range hood, includes the cigarette machine main part be provided with the box in the cigarette machine main part be provided with the fan in the box, still including falling the board of making an uproar, spraying subassembly and heat exchange assembly, wherein it sets up to fall the board of making an uproar on the box inner wall, fall the board of making an uproar be used for falling the noise and make an uproar and lead the noise extremely fall in the board of making an uproar, spraying subassembly sets up fall on the board of making an uproar and be linked together with outside water supply, heat exchange assembly sets up on the spraying subassembly, heat exchange assembly is suitable for right outside water supply carries out the heat transfer in order to reduce the outside temperature that supplies water, through spraying subassembly's work produces the water smoke and with produced the water smoke toward fall and spray in the board of making an uproar in order to get into noise in the board of making an uproar carries out the conversion.
In some embodiments, a noise reduction cavity is defined in the noise reduction plate, the noise reduction plate is provided with a plurality of through holes on one side close to the fan, and the through holes are covered with a flexible material layer to reduce noise and guide the noise into the noise reduction cavity.
In some embodiments, the lower end of the noise reduction chamber is open to communicate the noise reduction chamber with the spray assembly at a bottom position thereof.
In some embodiments, the spray assembly includes a spray pipe, a spray arm, and a circulation pump, wherein one end of the spray pipe is communicated with the external water supply, and the other end of the spray pipe is communicated with the spray arm, the spray arm is disposed at a bottom position of the noise reduction plate, a plurality of spray nozzles are opened on the spray arm, and the spray arm is communicated with the inside of the noise reduction plate through the spray nozzles so that the spray arm sprays water mist into the noise reduction plate, and the circulation pump is disposed on the spray pipe.
In some embodiments, the noise reduction plate is communicated with an air outlet pipe, and the air outlet pipe is communicated with the outside and/or the circulating pump at one end far away from the noise reduction plate.
In some embodiments, the orifice has an orifice diameter of less than or equal to 1mm.
In some embodiments, the heat exchange assembly includes a heat exchange module, an evaporation module and a condensation module, wherein the heat exchange module is disposed on the spray assembly to exchange heat with the external water supply and then deliver the external water supply to the spray assembly, the evaporation module is disposed on the heat exchange module to exchange heat with the external water supply through the heat exchange module, and the condensation module is connected to the evaporation module to discharge heat generated by the evaporation module to the outside.
In some embodiments, the heat exchange module includes a heat exchange shell and a plurality of partition plates, wherein a heat exchange cavity is defined in the heat exchange shell, the evaporation module is disposed on the heat exchange shell to absorb heat on the heat exchange shell, the partition plates are respectively spaced in the heat exchange cavity so that two adjacent partition plates jointly define a flow channel, and when wash water entering the heat exchange cavity flows through the flow channel, the wash water is subjected to heat exchange through the two adjacent partition plates.
In some embodiments, the box body has a front side wall, a left side wall, a rear side wall and a right side wall which are connected in sequence, wherein the noise reduction plate is respectively arranged on the front side wall, the left side wall, the rear side wall and the right side wall.
The second objective is achieved by the following technical scheme:
a range hood comprises the noise reduction structure for the range hood in any one of the above embodiments.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the noise reduction structure of the range hood is simple in structure, and the noise reduction effect of the range hood and the use experience of a user can be effectively improved.
2. The range hood disclosed by the invention is reasonable in design, and the use experience of a user can be effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a range hood in an embodiment of the invention;
FIG. 2 is a schematic view of a first structure of a partial structure of a range hood according to an embodiment of the present invention
Fig. 3 is a second structural schematic diagram of a partial structure of the range hood in the embodiment of the invention;
fig. 4 is an exploded schematic view of a partial structure of the range hood according to the embodiment of the present invention;
fig. 5 is a sectional view of a heat exchange module in an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the claims of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 5, the embodiment provides a structure of making an uproar falls for range hood, including cigarette machine main part 1, be provided with box 2 on cigarette machine main part 1, be provided with fan 3 in box 2, still including falling board 4 of making an uproar, spraying subassembly 5 and heat exchange assemblies 6, wherein fall board 4 of making an uproar and set up on box 2 inner wall, fall board 4 of making an uproar and be used for making an uproar and fall the noise guide to falling in the board 4 of making an uproar, spraying subassembly 5 sets up on falling board 4 of making an uproar and is linked together with the outside water supply, heat exchange assemblies 6 sets up on spraying subassembly 5, heat exchange assemblies 6 is suitable for carrying out the heat transfer in order to reduce the temperature that the outside supplied water to the outside water supply, produce water smoke through spraying subassembly 5's work and spray produced water toward falling board 4 of making an uproar and spray in order to change the noise that gets into and fall in the board 4 of making an uproar.
In the embodiment, a fan 3 is arranged on a cigarette machine main body 1, the fan 3 is provided with a volute arranged in a cigarette box body 2 and an impeller arranged in the volute, oil smoke generated by cooking outside the cigarette machine main body 1 is guided into the cigarette machine main body 1 through a smoke guide port of the cigarette machine main body 1, then the oil smoke is discharged outwards under the action of the fan 3, noise reduction plates 4 are arranged on the inner wall of the box body 2 to perform primary noise reduction on noise in the box body 2, meanwhile, the noise subjected to primary noise reduction is guided into the noise reduction plates 4, water mist is generated through the operation of a spraying component 5, and the generated water mist is sprayed into the noise reduction plates 4 to convert the noise entering the noise reduction plates 4, thereby the realization is fallen the noise secondarily, the outside supplies water after the atomizing momentum that produces with the air current organizational structure coupling in original flow field, the energy exchanges, directly reduced the sound effect conversion efficiency that high-speed air current formed the noise, can realize falling the noise that range hood work produced through erupting the water smoke toward falling the board 4 the inside of making an uproar and fall, and cool off so that spun water smoke absorbs the sound energy better through cooling down the washing water, so can carry out the sound effect exchange to the produced energy of noise that gets into the board 4 of making an uproar that falls better, thereby effectively improve the sound effect conversion efficiency of noise, the steam generator is simple in structure, can effectively improve range hood's the effect of making an uproar and user's use experience.
Further, it makes an uproar chamber 41 to fall to be injectd in board 4 of making an uproar to fall, falls board 4 of making an uproar and has seted up a plurality of through-hole 42 in the one side that is close to fan 3, covers on through-hole 42 and has fallen the flexible material layer and make an uproar and guide the noise to fall in the chamber 41 of making an uproar to the noise, its simple structure, reasonable in design can effectively fall the noise for the first time.
Preferably, the lower end of the noise reduction cavity 41 is in an open state so that the bottom position of the noise reduction cavity 41 is communicated with the spray assembly 5, the structure is simple and compact, and the sound effect conversion between the sprayed water mist and the noise entering the noise reduction cavity 41 can be favorably realized, so that the noise reduction effect of the range hood is improved.
Specifically, the box body 2 has a front side wall, a left side wall, a rear side wall and a right side wall which are connected in sequence, wherein the front side wall, the left side wall, the rear side wall and the right side wall are respectively provided with a noise reduction plate 4, the design is reasonable and ingenious, and the noise reduction effect of the range hood can be further improved.
In this embodiment, the case 2 has a front side wall, a left side wall, a rear side wall and a right side wall connected in sequence, the noise reduction plates 4 are respectively disposed on the front side wall, the left side wall, the rear side wall and the right side wall, and the noise reduction plates 4 on two adjacent side walls are communicated with each other, that is, the noise reduction plates 4 on the front side wall, the left side wall, the rear side wall and the right side wall are communicated with each other, a noise reduction cavity 41 with an open lower end is defined in the noise reduction plate 4, a plurality of through holes 42 are disposed on one side of the noise reduction plate 4 close to the fan 3, that is, the through holes 42 are disposed on one side of the inner side wall of the case 2, the through holes 42 are covered with a flexible material layer to reduce noise and guide the noise into the noise reduction cavity 41 through the flexible material layer on the through holes 42, the flexible material layer has different thicknesses and different functions, preferably, the thickness of the flexible material layer is preferably 10 μm to 2000 μm, the inner loss when the thin film vibrates as a whole, which can be regarded as a simple mass-spring system, the noise absorption layer can be introduced into the front side of the noise absorption cavity 41, and other noise absorption materials can be made into a flexible material layer, and other materials can be made according to the requirements.
Further, the spraying assembly 5 comprises a spraying pipe 51, a spraying arm 52 and a circulating pump 53, wherein one end of the spraying pipe 51 is communicated with external water supply, the other end of the spraying pipe is communicated with the spraying arm 52, the spraying arm 52 is arranged at the bottom of the noise reduction plate 4, a plurality of nozzles 54 are arranged on the spraying arm 52, the spraying arm 52 is communicated with the inside of the noise reduction plate 4 through the nozzles 54 so that the spraying arm 52 sprays water mist into the noise reduction plate 4, and the circulating pump 53 is arranged on the spraying pipe 51.
Preferably, the noise reduction plate 4 is communicated with an air outlet pipe 43, one end of the air outlet pipe 43, which is far away from the noise reduction plate 4, is communicated with the outside and/or is communicated with the circulating pump 53, and the structure of the noise reduction plate is simple, so that the water mist in the noise reduction cavity 41 can be discharged outwards or recycled.
Specifically, the aperture of the nozzle 54 is less than or equal to 1mm, and the design is reasonable, so that the nozzle arm 52 can realize high-efficiency atomization.
In the present embodiment, one end of the spray pipe 51 is communicated with an external water supply, the other end is communicated with the spray arm 52, the circulating pump 53 is disposed on the spray pipe 51 for conveying washing water to the spray arm 52, the spray arm 52 is disposed at the bottom position of each noise reduction plate 4 so that the spray arm 52 is communicated with the inside of the noise reduction plate 4 through the spray nozzle 54, even if the spray arm 52 is communicated with the noise reduction chamber 41 through the spray nozzle 54, since the noise reduction plates 4 on the front side wall, the left side wall, the rear side wall and the right side wall are communicated with each other, the spray arms 52 on the front side wall, the left side wall, the rear side wall and the right side wall are respectively provided with a plurality of spray nozzles 54 at intervals at one end close to the noise reduction plate 4, namely, the spray nozzles 54 are opened at the upper end position of the noise reduction plate 4, so that the external water supply enters the spray arm 52 through the spray pipe 51 and is quickly guided to the plurality of spray nozzles 54, thereby the atomized water vapor can completely cover the noise reduction plate 4 structure and uniformly flow into the noise reduction chamber 41, preferably, the cross section of the spray nozzles 54 is circular, and the spray aperture of the spray arm 54 is less than 1mm, thereby the spray water mist is uniformly flowed into the noise reduction chamber 41, and the spray efficiency of the spray 52 is improved, and the spray water mist is improved, and the spray is further, thereby the circulating pump 52, the noise reduction water mist is efficiently converted to the noise reduction water mist generated by the spray 52, and the spray noise reduction working of the spray 52, and the range hood, thereby the range hood, and the range hood. In addition, spray pipe 51 can be directly linked together with the outside water supply, still can be provided with the storage water tank on cigarette machine main part 1 to provide the required water source of spraying water smoke, certainly can also select other more suitable water supply modes according to the actual demand, because the required discharge of spraying is less relatively, thereby can satisfy the long-time water resource consumption of opening of cigarette machine, furtherly, circulating pump 53 is preferred to be high-pressure circulating pump 53 among the this embodiment, and high-pressure circulating pump 53 produces pressure and is more than or equal to 1Bar, thereby in order to better provide the energy that produces the atomizing water droplet.
Further, heat exchange assembly 6 includes heat exchange module 7, evaporation module 8 and condensation module 9, wherein heat exchange module 7 sets up on spraying assembly 5 in order to carry out the heat exchange with outside water supply and carry to spraying assembly 5 again, evaporation module 8 sets up on heat exchange module 7 in order to carry out the heat exchange to outside water supply through heat exchange module 7, condensation module 9 is connected with evaporation module 8 and discharges toward outside with the heat that evaporation module 8 produced, a structure is simple, and reasonable design can effectively carry out the heat transfer to the washing water of outside supply.
Particularly, the heat exchange module 7 includes a heat exchange case 71 and a plurality of partition plates 72, wherein a heat exchange cavity is defined in the heat exchange case 71, the evaporation module 8 is disposed on the heat exchange case 71 to absorb heat on the heat exchange case 71, the plurality of partition plates 72 are respectively spaced in the heat exchange cavity to make two adjacent partition plates 72 define a flow passage together, and when the washing water entering the heat exchange cavity flows through the flow passage, the washing water is heat-exchanged by two adjacent partition plates 72, which is simple and compact in structure, and can make the washing water supplied from the outside fully exchange heat.
In this embodiment, the heat exchange shell 71 of the heat exchange module 7 is disposed on the smoke ventilator main body 1, a heat exchange cavity is defined in the heat exchange shell 71, a plurality of partition plates 72 are disposed at intervals in the heat exchange cavity to enable the plurality of partition plates 72 to define a plurality of flow channels together, the water inlet end of the heat exchange cavity is communicated with external water supply through the circulating pump 53, the water outlet end of the heat exchange cavity is communicated with the spray pipe 51, i.e., the water inlet and outlet ends of the flow channels are respectively communicated with external water supply and the spray pipe 51, the evaporation module 8 is disposed at the top of the heat exchange shell 71 to absorb heat of the heat exchange shell 71 and transfer low temperature to the heat exchange shell 71 or the partition plates 72, when washing water entering the heat exchange cavity flows through the flow channels, the washing water supplied from the outside is subjected to heat exchange through the adjacent two partition plates 72 and the heat exchange shell 71, so that the washing water supplied from the outside is subjected to heat exchange sufficiently, so that the washing water sprayed from the spray arm 52 into the noise reduction cavity 41 is sprayed, and heat generated by the evaporation module 8 is discharged outside through the condenser so as to transfer heat to the air around the condenser, thereby achieving a basic heat exchange function of the smoke ventilator main body, cooling, and achieving a more effective heat exchange efficiency conversion of the smoke ventilator main body, and a more effective heat exchange structure, thereby achieving a more effective heat exchange effect of the heat exchange module 8 by the heat exchange structure of the smoke ventilator main body, and a more effective heat exchange structure, and a more effective noise reduction structure of the heat exchange structure of the smoke ventilator, and a more effective noise reduction structure, thereby achieving a better noise reduction structure of the heat exchange structure of the smoke ventilator main body 8, in order to improve the heat exchange effect more effectively, the width of the cross section of the partition 72 is gradually reduced from the evaporation module 8 to the heat exchange module 7, so that the width of the cross section of the side end of the partition 72 is larger than that of the cross section of the other side end thereof, and preferably, the partition 72 is a solid structure.
In this embodiment, in the range hood, the noise sources are the vortex noise and the rotation noise caused by the rotation of the impeller, so that the noise generated by the range hood is guided into the noise reduction cavity 41, and the sound effect conversion is performed between the sprayed water mist and the noise of the noise reduction cavity 41 to achieve the purpose of noise reduction. Firstly, after water mist is sprayed into a jet flow turbulent flow mixing boundary layer, the transverse transport strength and the shearing strength of turbulent flow are reduced through momentum exchange, so that the noise caused by turbulent flow pulsation is reduced; secondly, after the water mist is sprayed into the turbulent flow, the temperature and the speed of local high-temperature oil smoke are reduced through energy and momentum exchange, so that the conversion efficiency and the sound energy of airflow noise are reduced; thirdly, after the water mist is sprayed into the jet flow, a special mixed layer structure is formed, and a noise propagation path is changed or diverged; finally, cold water after heat exchange is sprayed into the jet flow, and the energy, momentum and mass are mixed to locally change the propagation track and the wave system structure of the jet flow, so that the noise forming mechanism is changed.
In this embodiment, under the condition that the rotation speed of the range hood is low, the generated noise is relatively low, so that the circulating pump 53 does not need to be started for atomization and noise reduction, under the condition that the rotation speed of the range hood is high, the generated noise is relatively high, the circulating pump 53 is started for atomization and noise reduction, in addition, the rotation speed of the range hood is combined, the driving voltage of the fan 3 is combined, the circulating pump 53 and the heat exchange module 7 are linked to better achieve the purpose of noise reduction, the higher the driving voltage of the general fan 3 is, the faster the rotation speed of the fan 3 is, so that the generated noise is larger, that is, if the current rotation speed of the fan 3 is greater than a set value, the circulating pump 53 is controlled to work so as to spray water mist in the noise reduction cavity 41, so that the purpose of noise reduction of the range hood is achieved, further, under the condition that the rotation speed of the range hood is low, the whole noise condition is low, a user can exit from the atomization and noise reduction mode through the operation function on the operation panel, and the range hood can normally work after exiting from the noise reduction mode, in addition, the spray assembly 5 in this embodiment can replace the original cold water cleaning function of the range hood, and can operate and control program according to actual requirements.
The second embodiment:
as shown in fig. 1 to 5, the present embodiment provides a range hood, which includes the noise reduction structure for a range hood as described in the first embodiment.
In the embodiment, the fan 3 is arranged on the cigarette machine main body 1, the oil smoke generated by cooking outside the cigarette machine main body 1 is guided into the cigarette machine main body 1 through the smoke guide port of the cigarette machine main body 1, then the oil smoke is discharged outwards under the action of the fan 3, the noise in the box body 2 is primarily reduced by arranging the noise reduction plate 4 on the inner wall of the box body 2, meanwhile, the noise subjected to primary noise reduction is guided into the noise reduction plate 4, then the water mist is generated through the operation of the spraying component 5, and the generated water mist is sprayed into the noise reduction plate 4 to convert the noise entering the noise reduction plate 4, so that the secondary noise reduction is realized, momentum generated by the coupling effect of an air flow organization structure of an original flow field after atomization by external water supply and energy exchange, the efficiency of sound effect conversion of noise formed by high-speed air flow is directly reduced, noise reduction of noise generated during the work of the range hood can be realized by spraying water mist into the noise reduction plate 4, and the washing water is cooled so that the sprayed water mist can better absorb sound energy, so that the energy generated by the noise entering the noise reduction plate 4 can be better subjected to sound effect exchange, the efficiency of sound effect conversion of the noise is effectively improved, the structure is simple, and the noise reduction effect of the range hood can be effectively improved and the use experience of a user can be effectively improved.
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 (9)
1. The utility model provides a structure of making an uproar falls for range hood, includes cigarette machine main part (1) be provided with box (2) on cigarette machine main part (1) be provided with fan (3) in box (2), its characterized in that still includes and falls board (4), spraying subassembly (5) and heat exchange assembly (6) of making an uproar, wherein fall board (4) of making an uproar and set up on box (2) inner wall, fall board (4) of making an uproar and be used for making an uproar and fall the noise guide to fall in board (4), spraying subassembly (5) set up fall on board (4) of making an uproar and be linked together with outside water supply, heat exchange assembly (6) set up on spraying subassembly (5), heat exchange assembly (6) are suitable for to outside water supply heat transfer in order to reduce the temperature of outside water supply, produce the water smoke through the work of spraying subassembly (5) and with the water smoke that produces toward fall board (4) of making an uproar in spraying with falling noise in order to convert the noise that gets into fall in board (4) of making an uproar, it has limited to fall the chamber (41) of making an uproar and to fall the noise guide to have the fan (42) and cover a plurality of making an uproar in the board (42) of making an uproar and fall the noise guide to have a plurality of making an uproar on one side the board (42).
2. The noise reduction structure for the range hood according to claim 1, wherein the lower end of the noise reduction cavity (41) is open so that the bottom of the noise reduction cavity (41) is communicated with the spray assembly (5).
3. The structure of claim 1, wherein the spray assembly (5) comprises a spray pipe (51), a spray arm (52) and a circulation pump (53), wherein one end of the spray pipe (51) is connected to the external water supply, the other end of the spray pipe is connected to the spray arm (52), the spray arm (52) is disposed at the bottom of the noise reduction plate (4), a plurality of spray nozzles (54) are disposed on the spray arm (52), the spray arm (52) is connected to the interior of the noise reduction plate (4) through the spray nozzles (54) so that the spray arm (52) sprays water mist into the noise reduction plate (4), and the circulation pump (53) is disposed on the spray pipe (51).
4. A noise reduction structure for a range hood according to claim 3, wherein the noise reduction plate (4) is communicated with an air outlet pipe (43), and the air outlet pipe (43) is communicated with the outside and/or the circulating pump (53) at an end far away from the noise reduction plate (4).
5. A noise reducing structure for a range hood according to claim 3, wherein the aperture of the nozzle (54) is less than or equal to 1mm.
6. The noise reduction structure for the range hood according to claim 1, wherein the heat exchange assembly (6) comprises a heat exchange module (7), an evaporation module (8) and a condensation module (9), wherein the heat exchange module (7) is arranged on the spraying assembly (5) to exchange heat with the external water supply and then convey the external water supply to the spraying assembly (5), the evaporation module (8) is arranged on the heat exchange module (7) to exchange heat with the external water supply through the heat exchange module (7), and the condensation module (9) is connected with the evaporation module (8) to discharge heat generated by the evaporation module (8) outwards.
7. The noise reduction structure for the range hood according to claim 6, wherein the heat exchange module (7) comprises a heat exchange shell (71) and a plurality of partition plates (72), wherein a heat exchange cavity is defined in the heat exchange shell (71), the evaporation module (8) is disposed on the heat exchange shell (71) to absorb heat on the heat exchange shell (71), the partition plates (72) are respectively spaced in the heat exchange cavity to enable two adjacent partition plates (72) to jointly define a flow passage, and when the washing water entering the heat exchange cavity flows through the flow passage, the washing water is subjected to heat exchange through two adjacent partition plates (72).
8. The structure of making an uproar falls for range hood according to any one of claims 1 to 7, characterized in that, the box (2) has preceding lateral wall, left lateral wall, back lateral wall and right lateral wall that connects gradually, wherein fall and have and fall board (4) on preceding lateral wall, left lateral wall, back lateral wall, right lateral wall respectively.
9. A range hood, characterized by comprising the noise reduction structure for a range hood as claimed in any one of claims 1 to 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110598404.5A CN113776095B (en) | 2021-05-31 | 2021-05-31 | Noise reduction structure for range hood and range hood |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206817562U (en) * | 2017-03-22 | 2017-12-29 | 广东美的厨房电器制造有限公司 | side-suction type range hood |
CN208920166U (en) * | 2018-09-27 | 2019-05-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood |
CN110131764A (en) * | 2019-05-06 | 2019-08-16 | 华帝股份有限公司 | Range hood and noise reduction structure thereof |
CN110332575A (en) * | 2019-06-20 | 2019-10-15 | 华帝股份有限公司 | Range hood with noise reduction structure |
CN212081369U (en) * | 2020-05-12 | 2020-12-04 | 佛山市顺德区美的洗涤电器制造有限公司 | Smoke exhaust ventilator |
CN112228407A (en) * | 2020-09-15 | 2021-01-15 | 华帝股份有限公司 | Noise reduction structure of fan and range hood |
CN112555942A (en) * | 2020-12-02 | 2021-03-26 | 青岛海尔智慧厨房电器有限公司 | Noise reduction structure of range hood and range hood |
-
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- 2021-05-31 CN CN202110598404.5A patent/CN113776095B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206817562U (en) * | 2017-03-22 | 2017-12-29 | 广东美的厨房电器制造有限公司 | side-suction type range hood |
CN208920166U (en) * | 2018-09-27 | 2019-05-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood |
CN110131764A (en) * | 2019-05-06 | 2019-08-16 | 华帝股份有限公司 | Range hood and noise reduction structure thereof |
CN110332575A (en) * | 2019-06-20 | 2019-10-15 | 华帝股份有限公司 | Range hood with noise reduction structure |
CN212081369U (en) * | 2020-05-12 | 2020-12-04 | 佛山市顺德区美的洗涤电器制造有限公司 | Smoke exhaust ventilator |
CN112228407A (en) * | 2020-09-15 | 2021-01-15 | 华帝股份有限公司 | Noise reduction structure of fan and range hood |
CN112555942A (en) * | 2020-12-02 | 2021-03-26 | 青岛海尔智慧厨房电器有限公司 | Noise reduction structure of range hood and range hood |
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