CN113776095A - 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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- CN113776095A CN113776095A CN202110598404.5A CN202110598404A CN113776095A CN 113776095 A CN113776095 A CN 113776095A CN 202110598404 A CN202110598404 A CN 202110598404A CN 113776095 A CN113776095 A CN 113776095A
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- heat exchange
- noise
- noise reduction
- range hood
- uproar
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- 230000009467 reduction Effects 0.000 title claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000005507 spraying Methods 0.000 claims abstract description 27
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 21
- 239000003595 mist Substances 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims description 67
- 239000000779 smoke Substances 0.000 claims description 23
- 238000001704 evaporation Methods 0.000 claims description 20
- 230000008020 evaporation Effects 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 19
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- 238000006243 chemical reaction Methods 0.000 description 10
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- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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Images
Classifications
-
- 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
-
- 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
-
- 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 of the range hood comprises a range hood main body, the cigarette machine main body is provided with a box body, the box body is internally provided with a fan, and the cigarette machine also comprises a noise reduction plate, a spraying assembly and a heat exchange assembly, wherein 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 spraying component is arranged on the noise reduction plate and communicated with external water supply, the heat exchange component is arranged on the spraying component, the heat exchange assembly is adapted to exchange heat with the external supply water to reduce the temperature of the external supply water, and generating water mist through the work of the spraying assembly and spraying the generated water mist 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 the 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 users.
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 aperture diameter of less than or equal to 1 mm.
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 can effectively improve the noise reduction effect of the range hood and the use experience of a user.
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 view of a portion of the range hood according to the embodiment of the present invention;
fig. 5 is a cross-sectional view of a heat exchange module in an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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 in the box body 2 is subjected to primary noise reduction through a noise reduction plate 4 arranged 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, water mist is generated through the work of a spraying assembly 5, the generated water mist is sprayed into the noise reduction plate 4 to convert the noise entering the noise reduction plate 4, so that secondary noise reduction is realized, momentum and energy generated by the coupling effect of an original air flow organization structure after external water supply and atomization are exchanged, directly reduced the sound effect conversion efficiency of high-speed air current formation noise, can realize falling the noise that range hood work produced through erupting the water smoke toward falling the board of making an uproar 4 the inside and fall and make an uproar, and cool off so that spun water smoke absorbs the acoustic energy better through falling the washing water, so can carry out the sound effect exchange to the produced energy of the noise that gets into in the board of making an uproar 4 better, thereby effectively improve the sound effect conversion efficiency of noise, the steam generator is simple in structure, the noise reduction effect that can effectively improve range hood advances 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 which are connected in sequence, the noise reduction plates 4 are respectively arranged on the front side wall, the left side wall, the rear side wall and the right side wall, 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, one side of the noise reduction plate 4 close to the fan 3 is provided with a plurality of through holes 42, that is, the through holes 42 are arranged on one side of the noise reduction plate 4 far away from 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 has different thicknesses and different functions, preferably, the thickness of the flexible material layer is preferably 10 μm to 2000 μm, the sound absorption mechanism of the thin material layer is mainly the internal damping loss when the film makes overall vibration, so that the thin material layer can be approximately regarded as a simple mass-spring system, partial noise in the noise can be absorbed before the noise is transmitted into the noise reduction cavity 41, in addition, the flexible material layer is preferably made of flame-retardant films, flame-retardant paper, artificial leather and the like, and other more suitable materials can be selected according to actual requirements.
Further, spraying assembly 5 includes spray tube 51, spray arm 52 and circulating pump 53, wherein spray tube 51 one end is linked together with the outside water supply, the other end is linked together with spray arm 52, spray arm 52 sets up the bottom position department at the board 4 of making an uproar that falls, a plurality of spouts 54 have been seted up on spray arm 52, and spray arm 52 is linked together so that spray arm 52 jets the water smoke toward falling the board 4 of making an uproar through spout 54 and the board 4 of making an uproar that falls, circulating pump 53 sets up on spray tube 51, a structure is simple, and reasonable design, can be through the spout water smoke toward falling the board 4 of making an uproar in order to change the noise that gets into the board 4 of making an uproar that falls, thereby realize making an uproar falls to the produced noise of range hood work.
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 a circulating pump 53, the structure is simple, and the water mist in the noise reduction cavity 41 is favorably discharged outwards or recycled after being 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 this embodiment, one end of the spray pipe 51 is connected to the external water supply, the other end is connected to the spray arm 52, the circulating pump 53 is disposed on the spray pipe 51 for delivering the washing water to the spray arm 52, the spray arm 52 is disposed at the bottom of each noise reduction plate 4 to connect the spray arm 52 to the interior of the noise reduction plate 4 through the nozzle 54, even if the spray arm 52 is connected to the noise reduction chamber 41 through the nozzle 54, since the noise reduction plates 4 on the front, left, rear, and right side walls are connected to each other, the spray arms 52 on the front, left, rear, and right side walls are connected to each other, the spray arm 52 is provided with a plurality of nozzles 54 at an end close to the noise reduction plate 4, i.e. the nozzle 54 is opened at the upper end of the noise reduction plate 4, so that the external water supply enters the spray arm 52 through the spray pipe 51 and is rapidly guided to the plurality of nozzles 54, thereby making the atomized water vapor fully cover the structure of the noise reduction plate 4 and making the water vapor flow into the noise reduction chamber 41 uniformly, more preferably, the cross section of spout 54 is for being circular, and the aperture of spout 54 is less than or equal to 1mm, thereby make spray arm 52 realize high-efficient atomizing, work through circulating pump 53 is in order to carry outside water supply to spray arm 52 after spray tube 51, produce the water smoke and erupt the produced water smoke in chamber 41 of making an uproar through spout 54 through spray arm 52's work, so can convert the noise that gets into chamber 41 of making an uproar, thereby improved the sound effect conversion efficiency of noise, and then realize making an uproar falls to the produced noise of range hood work. In addition, the spray pipe 51 can be directly communicated with external water supply, and a water storage tank can be arranged on the cigarette machine main body 1, so that a water source required by spraying water mist is provided, and other more suitable water supply modes can be selected according to actual requirements, and the water flow required by spraying is relatively small, so that the water resource consumption of long-time opening of the cigarette machine can be met, furthermore, the circulating pump 53 is preferably a high-pressure circulating pump 53 in the embodiment, and the pressure generated by the high-pressure circulating pump 53 is more than or equal to 1Bar, so that the energy for generating atomized water drops can be better provided.
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 housing 71 and a plurality of partition plates 72, wherein a heat exchange cavity is defined in the heat exchange housing 71, the evaporation module 8 is disposed on the heat exchange housing 71 to absorb heat on the heat exchange housing 71, the plurality of partition plates 72 are respectively spaced in the heat exchange cavity to enable two adjacent partition plates 72 to 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 through the two adjacent partition plates 72, which is simple and compact in structure, and the washing water supplied from the outside can be sufficiently heat-exchanged.
In this embodiment, the heat exchange shell 71 of the heat exchange module 7 is disposed on the cigarette maker 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 define a plurality of flow channels together by the partition plates 72, the water inlet end of the heat exchange cavity is communicated with external water supply through the circulation 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 the 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 transmit low temperature to the heat exchange shell 71 or the partition plates 72, when the washing water entering the heat exchange cavity flows through the flow channels, the washing water is subjected to heat exchange through the adjacent two partition plates 72 and the heat exchange shell 71 to sufficiently exchange heat the washing water supplied from the outside, so that the washing water after heat exchange is sprayed into the noise reduction cavity 41 through the spray arm 52, meanwhile, the heat generated by the work of the evaporation module 8 is discharged outwards through the condenser to transfer the heat to the air around the condenser, thereby realizing the basic heat exchange function, the sprayed water mist can better absorb the sound energy by cooling the washing water, so that the energy generated by the coupling effect of the air flow organization structure of the original flow field in the smoke machine main body 1 can be better exchanged, namely the noise entering the noise reduction cavity 41 is converted, thereby improving the sound effect conversion efficiency of the noise, further realizing the noise reduction of the noise generated by the work of the smoke exhaust ventilator, moreover, the evaporation module 8 and the condensation module 9 can both adopt fin structures, thereby effectively improving the heat exchange efficiency through the enhanced heat exchange modes such as active forced convection and the like, in addition, because the side end of the heat exchange shell 71 is the position which is connected with the evaporation module 8 to form the contact of the heat exchange surface, 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 one 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 of 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 air flow noise conversion efficiency and the sound energy are reduced; thirdly, after the water mist is sprayed into the jet flow, a special mixed layer structure is formed, and a noise transmission 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 of low rotation speed of the range hood, the generated noise is relatively low, so that the circulating pump 53 is not required to be started for atomization and noise reduction, under the condition of high rotation speed of the range hood, the generated noise is relatively high, so that the circulating pump 53 is started for atomization and noise reduction, in addition, the purpose of noise reduction is better achieved by combining the rotation speed of the range hood, the driving voltage of the fan 3, the rotating speed of the fan 3 and the heat exchange module 7 for linkage, generally, the higher the driving voltage of the fan 3 is, the faster the rotating 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 to spray water mist in the conventional noise reduction cavity 41, so that the purpose of noise reduction of the range hood is achieved, further, under the condition of low rotation speed of the range hood, that the overall noise condition is low, the user also can withdraw from the mode of making an uproar that atomizes through the operating function on the operating panel, withdraws from and fall the range hood behind the mode of making an uproar and can normally work, and in addition, spray assembly 5 still can replace the original cold water of range hood and wash cleaning function in this embodiment, and it can carry out operation control according to actual demand in the procedure.
Example two:
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 this embodiment, be provided with fan 3 on cigarette machine main part 1, through leading-in cigarette machine main part 1 the inside through the smoke guide mouth of cigarette machine main part 1 with the produced oil smoke of the outside culinary art of cigarette machine main part 1, then discharge the oil smoke outwards under the effect of fan 3, through being provided with on the inner wall of box 2 and falling the board 4 in order to fall the noise of making an uproar in the box 2 for the first time, still will fall the noise after making an uproar for the first time and guide to falling the board 4 inside of making an uproar to the noise that falls simultaneously, then produce water smoke through the work of spraying subassembly 5 and jet the produced water smoke toward falling the board 4 of making an uproar and convert the noise that gets into and fall the board 4 inside of making an uproar, thereby realize falling the noise and making an uproar for the second time to the noise, the momentum that produces with the air current organization structure coupling effect in original flow field after the atomizing of supplying water to outside, energy exchanges, the sound effect conversion efficiency of high velocity stream formation noise has directly been reduced, can realize falling the noise that the produced noise falls through spouting water smoke can fall the board 4 the board of making an uproar inside and fall Noise is generated, and the washing water is cooled so that the sprayed water mist can better absorb sound energy, so that sound effect exchange can be better performed on the energy generated by the noise entering the noise reduction plate 4, the sound effect conversion efficiency 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 is 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 (10)
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 assemblies (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 extremely 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 assemblies (6) set up on spraying subassembly (5), heat exchange assemblies (6) are suitable for right outside water supply carries out the heat transfer in order to reduce the temperature of outside water supply, through the work of spraying subassembly (5) produces the water smoke and with produced water smoke toward fall and spray in board (4) of making an uproar and fall and spray in order to get into to fall the entering fall make an uproar the noise fall and fall The noise in the board (4) is converted.
2. A noise reducing structure for a range hood according to claim 1, wherein a noise reducing cavity (41) is defined in the noise reducing plate (4), a plurality of through holes (42) are opened on one side of the noise reducing plate (4) close to the fan (3), and a flexible material layer is covered on the through holes (42) to reduce noise and guide the noise into the noise reducing cavity (41).
3. A noise reducing structure for a range hood according to claim 2, wherein the lower end of the noise reducing cavity (41) is open so that the bottom of the noise reducing cavity (41) is communicated with the spraying assembly (5).
4. 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).
5. The structure of making an uproar reduction for a range hood according to claim 4, 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 circulation pump (53) at one end far away from the noise reduction plate (4).
6. A noise reducing structure for a range hood according to claim 4, wherein the aperture of the nozzle (54) is less than or equal to 1 mm.
7. 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.
8. The noise reduction structure for the range hood according to claim 7, 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).
9. The structure of making an uproar falls for range hood according to any one of claims 1 to 8, 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.
10. A range hood, characterized by comprising a noise reduction structure for a range hood as claimed in any one of claims 1 to 9.
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| 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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| CN202110598404.5A CN113776095B (en) | 2021-05-31 | 2021-05-31 | Noise reduction structure for range hood and range hood |
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| CN113776095B CN113776095B (en) | 2022-12-02 |
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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 |
-
2021
- 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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| CN113776095B (en) | 2022-12-02 |
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