CN113776096A - Range hood and noise reduction structure thereof - Google Patents
Range hood and noise reduction structure thereof Download PDFInfo
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- CN113776096A CN113776096A CN202110598822.4A CN202110598822A CN113776096A CN 113776096 A CN113776096 A CN 113776096A CN 202110598822 A CN202110598822 A CN 202110598822A CN 113776096 A CN113776096 A CN 113776096A
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- heat exchange
- range hood
- impeller
- noise reduction
- module
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- 230000009467 reduction Effects 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000003595 mist Substances 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims description 62
- 239000000779 smoke Substances 0.000 claims description 21
- 238000001704 evaporation Methods 0.000 claims description 20
- 230000008020 evaporation Effects 0.000 claims description 20
- 235000019504 cigarettes Nutrition 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 13
- 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 12
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 6
- 238000000889 atomisation Methods 0.000 description 5
- 230000001808 coupling effect Effects 0.000 description 5
- 230000008520 organization Effects 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 239000008400 supply water Substances 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
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 206010013954 Dysphoria Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010033557 Palpitations Diseases 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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 of a range hood and the range hood, wherein the noise reduction structure of the range hood comprises a range hood main body, a volute is arranged in the range hood main body, an impeller is arranged in the volute, the range hood further comprises a nozzle assembly and a heat exchange assembly, the water inlet end of the nozzle assembly is communicated with external water supply through the heat exchange assembly, heat exchange is carried out on the external water supply through the heat exchange assembly so as to reduce the temperature of the external water supply, the water outlet end of the nozzle assembly is arranged corresponding to the impeller, water mist is generated through the operation of the nozzle assembly, and the generated water mist is sprayed onto the impeller so as to convert noise generated by the rotation operation of the impeller. 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 of 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 the noise reduction structure of the 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 noise reduction structure of the 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 range hood falls structure of making an uproar, includes the cigarette machine main part be provided with the spiral case in the cigarette machine main part be provided with the impeller in the spiral case, still include nozzle assembly and heat exchange assemblies, wherein nozzle assembly's the end of intaking passes through heat exchange assemblies and outside water supply are linked together, through heat exchange assemblies is right outside water supply carries out the heat transfer in order to reduce the temperature that outside supplied water, nozzle assembly's play water end with the impeller is corresponding to be set up, through nozzle assembly's work produces the water smoke and with produced water smoke toward jet in order to right on the impeller the produced noise of impeller rotation work converts.
In some embodiments, the nozzle assembly includes a nozzle tube, a nozzle arm, and a water pump, wherein one end of the nozzle tube is connected to the external water supply, the other end of the nozzle tube is connected to the nozzle arm, the nozzle arm extends into the spiral case so that the nozzle arm is disposed corresponding to the impeller, a plurality of nozzles are formed on the nozzle arm to spray water onto the impeller, and the water pump is disposed on the nozzle tube.
In some embodiments, the spray arm assembly further includes a fixing tube, the fixing tube is disposed on the volute and the fixing tube is disposed along a circumferential direction of the volute air inlet, the spray arms are disposed at intervals along the circumferential direction of the fixing tube, and the spray arm extends along an air inlet direction of the volute air inlet at an end away from the fixing tube so that the spray arm extends into the volute.
In some embodiments, a plurality of nozzles are spaced at opposite ends of the spray arm.
In some embodiments, the spray arm assembly further includes a connection pipe, one end of the connection pipe is communicated with the fixing pipe, and the other end of the connection pipe is communicated with the spray arm after extending outwards, so that the spray arm and the impeller are spaced apart from each other.
In some embodiments, the orifice has an aperture diameter of less than or equal to 1 mm.
In some embodiments, the heat exchange assembly comprises a heat exchange module, an evaporation module and a condensation module, wherein the heat exchange module is arranged on the cigarette machine main body, one end of the heat exchange module is communicated with the external water supply, the other end of the heat exchange module is communicated with the nozzle assembly to carry out heat exchange on the external water supply and then convey the external water supply to the nozzle assembly, the evaporation module is arranged on the heat exchange module to carry out heat exchange on the external water supply through the heat exchange module, and the condensation module is connected with the evaporation module to discharge heat generated by the evaporation module outwards.
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 at a top position of 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 passage, and when wash water entering the heat exchange cavity flows through the flow passage, the wash water is subjected to heat exchange through the two adjacent partition plates.
In some embodiments, the smoking machine further comprises an oil cup disposed at a bottom location of the body of the smoking machine.
The second objective is achieved by the following technical scheme:
a range hood, comprising the range hood noise reduction structure according to 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 noise reduction structure of the range hood 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 structural view of a nozzle assembly in an embodiment of the present invention;
fig. 3 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 3, this embodiment provides a range hood falls structure of making an uproar, including cigarette machine main part 1, be provided with spiral case 2 in cigarette machine main part 1, be provided with impeller 3 in spiral case 2, still include nozzle assembly 4 and heat exchange assembly 5, wherein the end of intaking of nozzle assembly 4 is linked together with outside water supply through heat exchange assembly 5, supply water to outside through heat exchange assembly 5 and carry out the heat transfer in order to reduce the temperature that outside supplied water, the play water end and the impeller 3 of nozzle assembly 4 set up correspondingly, produce water smoke through nozzle assembly 4's work and with produced water smoke on impeller 3 spray in order to change impeller 3 rotation work produced noise.
In the embodiment, a fan assembly is arranged on a cigarette machine main body 1, the fan assembly is provided with a volute 2 arranged in the cigarette machine main body 1 and an impeller 3 arranged in the volute 2, 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 assembly, water mist is sprayed onto the impeller 3 through a nozzle assembly 4 to convert noise generated by the rotation work of the impeller 3, turbulence and the water mist sprayed by the nozzle assembly 4 interact to realize noise reduction in a high-speed rotation range interval of the impeller 3, momentum and energy generated by coupling action of water atomized and an air flow organization structure of an original flow field are exchanged, the sound effect conversion efficiency of high-speed air flow forming noise is directly reduced, and the noise generated by the operation of the range hood can be reduced by spraying the water mist into turbulent air, and through cooling to the washing water so that spun water smoke absorbs the sound energy better, so can exchange the produced energy of the air current organizational structure coupling effect of original flow field in the cigarette machine main part 1 better to effectively improve the sound effect conversion efficiency of noise, its simple structure can effectively improve range hood's noise reduction effect and advance and user's use experience.
Further, the nozzle assembly 4 includes a nozzle 41, a nozzle arm 42 and a water pump 43, wherein one end of the nozzle 41 is communicated with external water supply, and the other end is communicated with the nozzle arm 42, the nozzle arm 42 extends into the volute 2 to enable the nozzle arm 42 to be arranged corresponding to the impeller 3, and a plurality of nozzles 45 are arranged on the nozzle arm 42 to spray water mist on the impeller 3, and the water pump 43 is arranged on the nozzle 41, the structure is simple, the design is reasonable, and the water mist can be sprayed out of the impeller 3 through the nozzle to convert noise generated by rotation of the impeller 3, so that noise reduction of noise generated by operation of the range hood is realized.
Preferably, the nozzle assembly 4 further includes a fixing pipe 44, the fixing pipe 44 is used for communicating the spray arm 42 with the spray pipe 41, the fixing pipe 44 is installed on the volute 2, the fixing pipe 44 is arranged along the circumferential direction of the air inlet of the volute 2, the spray arms 42 are arranged at intervals along the circumferential direction of the fixing pipe 44, the spray arms 42 are arranged at one end far away from the fixing pipe 44 and extend along the air inlet direction of the air inlet of the volute 2, so that the spray arms 42 extend into the volute 2, the structure is simple, and the assembly of the spray arms 42 and the volute 2 is facilitated.
Specifically, a plurality of nozzles 45 are respectively arranged at two opposite ends of the spray arm 42 at intervals, and the design is reasonable and ingenious, so that the structural range of the impeller 3 can be fully covered by the water mist.
Preferably, the nozzle assembly 4 further includes a connection pipe 46, one end of the connection pipe 46 is connected to the fixed pipe 44, and the other end of the connection pipe 46 extends outward and is connected to the spray arm 42 so that the spray arm 42 is spaced apart from the impeller 3, which is simple in structure and can prevent the spray arm 42 from colliding with the impeller 3.
Furthermore, the aperture of the nozzle 45 is smaller than or equal to 1mm, and the design is reasonable, so that the spray arm 42 can realize high-efficiency atomization.
In this embodiment, one end of the spray pipe 41 is connected to the external water supply, the other end is connected to the spray arm 42, the water pump 43 is disposed on the spray pipe 41 for delivering the washing water to the spray arm 42, the fixed pipe 44 is disposed in the circumferential direction of the air inlet of the scroll casing 2 and the top of the fixed pipe 44 is connected to the spray pipe 41, preferably, in order to facilitate the assembly of the scroll casing 2 and the fixed pipe 44, the cross section of the fixed pipe 44 is preferably circular, so that the external water supply can be quickly guided to the spray arms 42 after entering the fixed pipe 44 through the spray pipe 41, a plurality of connection pipes 46 are disposed at intervals on the fixed pipe 44 and the connection pipes 46 are disposed at intervals along the circumferential direction of the fixed pipe 44, one end of the connection pipe 46 is connected to the fixed pipe 44, and the other end of the connection pipe 46 extends outward and then is connected to the spray arm 42, i.e. the other end of the connection pipe 46 extends from the fixed pipe 44 to the axial direction thereof, so that the spray arm 42 is disposed at intervals to the impeller 3, further avoiding the spray arm 42 from colliding with the impeller 3, the spray arm 42 is bent at one end far away from the connecting pipe 46 and then extends along the air inlet direction of the air inlet of the volute 2 to enable the spray arm 42 to extend into the volute 2, a plurality of nozzles 45 are respectively arranged at two opposite ends of the spray arm 42 at intervals, namely, the spray arm 42 is provided with a plurality of nozzles 45 at intervals along the depth direction of the impeller 3, and the nozzles 45 at the two ends are symmetrically arranged, so that the atomized water vapor can completely cover the impeller 3, preferably, the cross section of the nozzle 45 is circular, the aperture of the nozzle 45 is smaller than or equal to 1mm, so that the spray arm 42 realizes efficient atomization, external water supply is sequentially conveyed to the spray arm 42 through the spray pipe 41, the fixed pipe 44 and the connecting pipe 46 through the work of the water pump 43, water mist is generated through the work of the spray arm 42, and the generated water mist is sprayed out to the impeller 3 through the nozzle 45, thereby the produced noise of fan subassembly rotation work is converted to the sound effect conversion efficiency of noise has been improved, and then the produced noise of range hood work is fallen the noise and is fallen. In addition, the spray pipe 41 can be directly communicated with external water supply, a water storage tank can be further arranged on the cigarette machine main body 1, so that a water source required for spraying water mist is provided, other more suitable water supply modes can be selected according to actual requirements, water flow required for spraying is relatively small, so that water resource consumption of long-time opening of the cigarette machine can be met, further, the water pump 43 is preferably a high-pressure water pump 43 in the embodiment, the pressure generated by the high-pressure water pump 43 is larger than or equal to 1Bar, and therefore energy for generating atomized water drops can be better provided.
Preferably, heat exchange assembly 5 includes heat exchange module 6, evaporation module 7 and condensation module 8, wherein heat exchange module 6 sets up on cigarette machine main part 1, 6 one end of heat exchange module is linked together with the outside water supply, the other end is linked together with nozzle assembly 4 and carries on the heat exchange to nozzle assembly 4 again in order to supply water with the outside, evaporation module 7 sets up on heat exchange module 6 and carries out the heat exchange in order to supply water to the outside through heat exchange module 6, condensation module 8 is connected with evaporation module 7 and discharges toward the outside with the heat that evaporation module 7 produced, the steam generator is simple in structure, and reasonable design can effectively carry out the heat transfer to the washing water of outside supply.
Specifically, heat exchange module 6 includes heat exchange shell 61 and polylith baffle 62, wherein has limited the heat transfer chamber in heat exchange shell 61 to evaporation module 7 sets up the top position department in heat exchange shell 61 in order to absorb the heat on the heat exchange shell 61, polylith baffle 62 separates respectively in the heat transfer intracavity so that adjacent two baffles 62 limit the runner jointly, when the washing water that gets into the heat transfer intracavity flows through the runner, carry out the heat exchange through adjacent two baffles 62 to the washing water, its simple structure, compactness, can make the washing water of outside supply carry out the heat transfer fully.
Particularly, the range hood further comprises an oil cup which is arranged at the bottom of the range hood main body 1, the range hood is simple in structure, and the range hood can be used for collecting sewage generated by spraying water mist in the noise reduction process.
In this embodiment, the heat exchange shell 61 of the heat exchange module 6 is disposed on the cigarette machine body 1, a heat exchange cavity is defined in the heat exchange shell 61, a plurality of partition plates 62 are disposed at intervals in the heat exchange cavity to enable the partition plates 62 to define a plurality of flow channels together, the water inlet end of the heat exchange cavity is communicated with external water supply, and the water outlet end of the heat exchange cavity is communicated with the spray pipe 41, i.e., the water inlet and outlet ends of the flow channels are respectively communicated with the external water supply and the spray pipe 41, the evaporation module 7 is disposed at the top of the heat exchange shell 61 to absorb the heat of the heat exchange shell 61 and transmit the low temperature to the heat exchange shell 61 or the partition plates 62, 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 62 and the heat exchange shell 61 to enable the washing water supplied from the outside to be fully subjected to heat exchange, so that the washing water subjected to heat exchange is sprayed out of the impeller 3 through the spray arm 42, and the heat generated by the operation of the evaporation module 7 is discharged outside through the condenser to transmit the heat to the air around the condenser On the gas, thereby realizing the basic heat exchange function, the energy generated by the coupling effect of the air flow organization structure of the original flow field in the smoke exhaust ventilator main body 1 can be better exchanged by cooling the washing water so as to enable the sprayed water mist to better absorb the sound energy, namely, the noise generated by the rotation work of the impeller 3 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, furthermore, preferably, both the evaporation module 7 and the condensation module 8 can adopt the fin structure, thereby effectively improving the heat exchange efficiency by the intensified heat exchange way of active forced convection and the like, in addition, because the upper end of the heat exchange shell 61 is the position which is connected with the evaporation module 7 to form the heat exchange surface contact, in order to more effectively improve the heat exchange effect, the width of the cross section of the clapboard 62 is gradually reduced from the evaporation module 7 to the heat exchange module 6, that is, the width of the cross section of the partition plate 62 is gradually reduced from the top to the bottom, so that the width of the cross section of the upper end of the partition plate 62 is greater than that of the cross section of the lower end thereof, and more preferably, the partition plate 62 has a solid structure.
In this embodiment, in the range hood, the noise sources are the vortex noise and the rotational noise caused by the rotation of the impeller 3, so that the atomized spraying structure is arranged at the inlet of the impeller of the range hood, and the sprayed water mist interacts with the turbulent flow in the high-speed rotation section of the impeller 3 to reduce the noise. 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 that the rotation speed of the range hood is low, the generated noise is relatively low, so that the water pump 43 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, so that the water pump 43 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 and the driving voltage of the fan for linkage, generally, the higher the driving voltage of the fan is, the faster the rotation speed of the fan is, so that the generated noise is also larger, that is, when the current rotation speed of the fan is greater than a set value, the water pump 43 is controlled to work, so that the water mist is sprayed out of the impeller 3, 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, that the overall noise condition is low, a user can also exit from the atomization and noise reduction mode through the operation function on the operation panel, withdraw from range hood behind the noise reduction mode and can normally work, in addition, nozzle assembly can still replace the original cold water of range hood and wash the cleaning function in this embodiment, and it can be according to actual demand operation control in the procedure.
Example two:
as shown in fig. 1 to 3, the present embodiment provides a range hood, which includes the noise reduction structure of the range hood described in the first embodiment.
In the embodiment, the fan assembly is arranged on the smoke machine main body 1, smoke generated by cooking outside the smoke machine main body 1 is guided into the smoke machine main body 1 through the smoke guide port of the smoke machine main body 1, then the smoke is discharged outwards under the action of the fan assembly, water mist is sprayed onto the impeller 3 through the nozzle assembly 4 to convert noise generated by the rotation work of the impeller 3, turbulence and the water mist sprayed by the nozzle assembly 4 interact in a high-speed rotation range interval of the impeller 3 to reduce noise, momentum and energy generated by the coupling action of the atomized water and an air flow organization structure of an original flow field are exchanged, the sound effect conversion efficiency of high-speed air flow to form noise is directly reduced, noise reduction of the noise generated by the work of the smoke machine can be realized by spraying the water mist into turbulent air, and the sprayed water mist is cooled to better absorb sound energy, therefore, the energy generated by the coupling effect of the air flow organization structure of the original flow field in the range hood main body 1 can be better exchanged, the sound effect conversion efficiency of noise is effectively improved, the structure is simple, and the noise reduction effect of the range hood can be effectively improved, so that 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 range hood falls structure of making an uproar, includes cigarette machine main part (1) be provided with spiral case (2) in the cigarette machine main part (1) be provided with impeller (3) in spiral case (2), its characterized in that still includes nozzle assembly (4) and heat exchange assemblies (5), wherein the end of intaking of nozzle assembly (4) passes through heat exchange assemblies (5) are linked together with outside water supply, through heat exchange assemblies (5) are right outside water supply carries out the heat transfer in order to reduce the temperature of outside water supply, the play water end of nozzle assembly (4) with the corresponding setting of impeller (3), through the work of nozzle assembly (4) produces the water smoke and with produced water smoke toward jet on impeller (3) in order to right the produced noise of impeller (3) rotation work converts.
2. The noise reduction structure of the range hood according to claim 1, wherein the nozzle assembly (4) comprises a spray pipe (41), a spray arm (42) and a water pump (43), wherein one end of the spray pipe (41) is communicated with the external water supply, the other end of the spray pipe is communicated with the spray arm (42), the spray arm (42) extends into the volute (2) so that the spray arm (42) and the impeller (3) are arranged correspondingly, a plurality of nozzles (45) are arranged on the spray arm (42) to spray water mist on the impeller (3), and the water pump (43) is arranged on the spray pipe (41).
3. The noise reduction structure of the range hood according to claim 2, wherein the nozzle assembly (4) further includes a fixing tube (44), the fixing tube (44) is used for communicating the spray arm (42) with the spray tube (41), the fixing tube (44) is installed on the volute (2) and the fixing tube (44) is disposed along a circumferential direction of an air inlet of the volute (2), the spray arms (42) are disposed at intervals along the circumferential direction of the fixing tube (44), and one end of the spray arm (42) far away from the fixing tube (44) is disposed along an air inlet direction of the air inlet of the volute (2) in an extending manner so that the spray arm (42) extends into the volute (2).
4. The noise reduction structure of the range hood according to claim 3, wherein a plurality of nozzles (45) are respectively formed at intervals on the two opposite ends of the spray arm (42).
5. The noise reduction structure of the range hood according to claim 3, wherein the nozzle assembly (4) further comprises a connecting pipe (46), one end of the connecting pipe (46) is communicated with the fixed pipe (44), and the other end of the connecting pipe (46) extends outwards and then is communicated with the spray arm (42) so that the spray arm (42) and the impeller (3) are arranged at intervals.
6. The noise reduction structure of a range hood according to claim 2, wherein the aperture of the nozzle (45) is less than or equal to 1 mm.
7. The noise reduction structure of the range hood according to claim 1, wherein the heat exchange assembly (5) comprises a heat exchange module (6), an evaporation module (7) and a condensation module (8), wherein the heat exchange module (6) is disposed on the hood body (1), one end of the heat exchange module (6) is communicated with the external water supply, the other end of the heat exchange module is communicated with the nozzle assembly (4) to perform heat exchange on the external water supply and then convey the external water supply to the nozzle assembly (4), the evaporation module (7) is disposed on the heat exchange module (6) to perform heat exchange on the external water supply through the heat exchange module (6), and the condensation module (8) is connected with the evaporation module (7) to discharge heat generated by the evaporation module (7) outwards.
8. The noise reduction structure of the range hood according to claim 7, wherein the heat exchange module (6) comprises a heat exchange shell (61) and a plurality of partition plates (62), wherein a heat exchange cavity is defined in the heat exchange shell (61), the evaporation module (7) is disposed at a top position of the heat exchange shell (61) to absorb heat on the heat exchange shell (61), the partition plates (62) are respectively spaced in the heat exchange cavity to enable two adjacent partition plates (62) 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 the two adjacent partition plates (62).
9. The noise reduction structure of the range hood according to any one of claims 1 to 8, further comprising an oil cup, wherein the oil cup is arranged at the bottom position of the range hood body (1).
10. A range hood, characterized by comprising a noise reduction structure of a range hood as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598822.4A CN113776096A (en) | 2021-05-31 | 2021-05-31 | Range hood and noise reduction structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110598822.4A CN113776096A (en) | 2021-05-31 | 2021-05-31 | Range hood and noise reduction structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113776096A true CN113776096A (en) | 2021-12-10 |
Family
ID=78835753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110598822.4A Withdrawn CN113776096A (en) | 2021-05-31 | 2021-05-31 | Range hood and noise reduction structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113776096A (en) |
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2021
- 2021-05-31 CN CN202110598822.4A patent/CN113776096A/en not_active Withdrawn
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Application publication date: 20211210 |