CN111720870B

CN111720870B - High-efficient lampblack purification range hood of oil smoke

Info

Publication number: CN111720870B
Application number: CN202010636529.8A
Authority: CN
Inventors: 王凌杭
Original assignee: Zhongshan Zhimei Electric Appliance Co ltd
Current assignee: Zhongshan Zhimei Electric Appliance Co ltd
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2022-11-25
Anticipated expiration: 2040-07-04
Also published as: CN111720870A

Abstract

The invention discloses an oil smoke high-efficiency purification oil smoke machine, which comprises a side-draft type oil smoke machine shell; an oil smoke purification component is arranged in the side-suction type oil smoke ventilator shell and comprises a tourmaline ceramic spherical shell, one side of the tourmaline ceramic spherical shell is provided with a smoke inlet, and the other side of the tourmaline ceramic spherical shell is formed with a smoke outlet pipe; the oil fume purification assembly comprises an outer filter screen disc and an inner filter screen disc, the outer filter screen disc and the inner filter screen disc are mutually rotatably connected through a one-way rotating assembly, the inner filter screen disc is fixed on the inner side of the tourmaline ceramic spherical shell through a rotating support, and a positive and negative rotation waterproof motor is further fixed on the rotating support; the inner side of the tourmaline ceramic spherical shell is also provided with a spraying component, and the inner part of the side-suction type range hood shell is also provided with a water inlet and outlet system. The invention can purify the oil smoke with high efficiency, the purification rate can reach more than 99%, the purification effect is obvious, the purification effect is further improved by combining the spraying assembly, and the spraying assembly can also carry out self-cleaning on the oil smoke purification assembly, thereby ensuring the cleanness of the interior of the range hood.

Description

High-efficient lampblack purification range hood of oil smoke

Technical Field

The invention relates to a range hood, which belongs to the technical field of oil fume treatment equipment; in particular to an oil smoke high-efficiency purifying machine.

Background

The fume exhauster, also known as fume exhauster or fume exhauster, is a kitchen electrical appliance for purifying kitchen environment, and is installed over the kitchen range to exhaust the waste gas from the range and harmful fume produced during cooking, reduce pollution, purify air and ensure safety.

The range hood can be divided into three types according to appearance: the multi-media intelligent cigarette machine comprises a Chinese cigarette machine, an European cigarette machine, a side-suction type cigarette machine, a multi-media intelligent cigarette machine and a top-discharge type, a side-discharge type and a bottom-discharge type.

The side-draught type smoke machine has the advantages that the end of the smoke machine is not easy to touch, the appearance is fashionable, the smoke suction port is close to the smoke generation point, the smoking and exhausting effect is good, the smoke machine is more suitable for being loved by young people, but the side-draught type smoke machine is not well designed, and the following problems can occur: 1. the side-suction structure has a limited smoking range, and if the side-suction structure is far away from a kitchen range oil smoke area, the smoking effect is poor, so that part of oil smoke cannot be absorbed and expanded to the whole kitchen, and the whole air quality of the kitchen is influenced; 2. because of the side-suction type, in order not to affect the smoking effect, a filter screen is generally arranged at a smoking port to filter the oil smoke, the filtering effect is poor, the oil smoke is not absorbed and is directly discharged from a flue, or the oil smoke is adhered to the inside of a shell of the smoke generator and is accumulated at the lower end of the inside of the shell along with the shell to form bottom oil accumulation; 3. the interior of the shell of the range hood or the filter screen can be stained with oil stains, oil stains and the like after being used for a period of time, the filter screen can be disassembled for cleaning, but the inconvenience is brought to the use due to the regular cleaning, the interior of the shell of the range hood can not be cleaned by self basically, and can be processed only by professional range hood cleaning equipment and personnel, so that the inconvenience in cleaning is realized, and the cost is high; 4. if oil accumulation or oil stain and oil stain which are fully stained inside the shell of the range hood are kept for a long time, not only bacteria can be bred, but also peculiar smell can be generated to pollute air in a kitchen, bad experience is brought to a user, and physical and psychological health of the user can be influenced; 5. the range hood can generate high temperature due to the high temperature of gas of a cooking range or kitchen ware, the rotation of a motor and the like in the using process, although part of heat can be taken away in the smoking process, a lot of heat can be taken away or dissipated in time, so that the temperature of the inner part of the range hood shell, particularly the lower side surface of the front end of the range hood shell is higher, the problems of outer paint falling, bulging, deformation or cracking and the like can occur in the range hood shell for a long time, and the appearance and the use are influenced; 6. based on 4, the range hood does not have the heat dissipation function, can also rise the kitchen temperature under the kitchen gas combined action of kitchen range, especially summer environment kitchen interior temperature is very high, and the range hood is taken a breath regional limited in addition, wholly is in high temperature smoldering state in the kitchen, very easily leads to user's breathing difficulty, not smooth scheduling problem, and is great to suffering from respiratory disease, lung disease or old person's etc. harm.

Disclosure of Invention

Based on the technical problems, the invention provides the range hood capable of efficiently purifying the oil smoke, so that the technical problem of poor oil smoke purifying effect of the conventional range hood is solved.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a lampblack efficient purification lampblack machine comprises a side-suction lampblack machine shell, wherein a control panel and a side suction opening are arranged on the front end face of the side-suction lampblack machine shell, a detachable blocking disc is arranged outside the side suction opening, a smoke exhaust fan is arranged inside the side-suction lampblack machine shell, an output shaft of the smoke exhaust fan is connected with smoke exhaust fan blades, the top of the side-suction lampblack machine shell is communicated with a smoke outlet air channel penetrating through the top of the side-suction lampblack machine shell, and a decorative cover covers the outside of the smoke outlet air channel;

an oil smoke purification assembly is further arranged inside the side suction port in the side suction type oil smoke ventilator shell and comprises a tourmaline ceramic spherical shell, one side of the tourmaline ceramic spherical shell is provided with a smoke inlet communicated with the side suction port in a sealing manner, one side of the tourmaline ceramic spherical shell opposite to the smoke inlet is formed with an outward-protruding smoke outlet pipe, and the position of a pipe orifice of the smoke outlet pipe faces the smoke pumping fan blades;

the smoke purifying assembly comprises an outer filter screen disc and an inner filter screen disc which are respectively rotatably connected in the two circular chutes, the outer filter screen disc and the inner filter screen disc are mutually rotatably connected through a one-way rotating assembly, the outer filter screen disc is arranged facing a side suction port, the inner filter screen disc is arranged facing a smoke outlet pipe, the inner filter screen disc is fixed on the inner side of the tourmaline ceramic spherical shell through a rotating support, and a positive and negative rotation waterproof motor for driving the inner filter screen disc to rotate is also fixed on the rotating support;

the inner side of the tourmaline ceramic spherical shell is also provided with a spraying component, and the inside of the side-suction type range hood shell is also provided with a water inlet and outlet system communicated with the spraying component.

Preferably, the tourmaline ceramic ball shell and the inner side of the smoke outlet pipe, the outer filter screen disc and the inner filter screen disc are all sprayed with argentate nano ceramic paint.

Preferably, outer filter screen dish and interior filter screen dish are silicon nitride ceramic dish, and outer filter screen dish and interior filter screen dish all are provided with a plurality of cigarette holes that pass through, outer filter screen dish still is the annular and is provided with a plurality of flabellums towards one side of side suction inlet, and the height of a plurality of flabellums all descends to the circumferencial direction along outer filter screen dish middle part.

Preferably, the unidirectional rotating assembly comprises a base fixed at the middle part of the inner filter screen disc, a pawl is arranged in the base, a connecting shaft is arranged at the middle part of the outer filter screen disc, a circle of clamping teeth are arranged on the circumference of the end part of the connecting shaft, the connecting shaft is arranged in the base, and the pawl and the clamping teeth are matched with each other to form a ratchet mechanism.

Preferably, a plurality of balls are inlaid in the two circular sliding grooves and are located in gaps between the outer circumferential surface of the outer filter screen disc or the inner filter screen disc and the circular sliding grooves.

Preferably, the spraying component comprises two spraying pipes which are annularly arranged on the inner side of the tourmaline ceramic spherical shell, the two spraying pipes are respectively positioned at the front end of the outer filter screen disc and the rear end of the inner filter screen disc, the spraying pipes are further provided with a plurality of high-pressure spray heads at intervals along the length direction of the pipe body, the high-pressure spray heads are all obliquely arranged towards the direction of the outer filter screen disc or the inner filter screen disc, a water inlet pipe and a water outlet pipe are further fixed on the outer side of the tourmaline ceramic spherical shell, the water inlet pipe is communicated with the two spraying pipes, the water outlet pipe is communicated with the inner part of the tourmaline ceramic spherical shell close to the smoke inlet, and the water inlet pipe and the water outlet pipe are further communicated with the water inlet and outlet system.

Preferably, the business turn over water system includes clean water tank and waste liquid water tank, the outlet pipe with the detachable intercommunication of waste liquid water tank, clean water tank top sets up the supply channel, and the supply channel is including the first miniature suction pump, first electronic switch valve and the resistance wire heating cabinet that communicate in proper order, the end of drawing water of first miniature suction pump stretches into through the pipeline clean water tank bottom and clean water tank intercommunication, the resistance wire heating cabinet with the inlet tube intercommunication.

Preferably, the water supply pipeline further comprises a bypass pipe, a second electronic switch valve is arranged on the bypass pipe, two ends of the bypass pipe are respectively communicated with the resistance wire heating box and the cleaning water tank, and the bypass pipe is a flat pipe and spirally wound on the water outlet pipe.

Preferably, the inboard lower extreme of side-suction type lampblack absorber casing still is provided with heat exchange assembly, heat exchange assembly includes heat transfer board and the semiconductor refrigeration piece of lower extreme of upper end, the refrigeration end of semiconductor refrigeration piece with the terminal surface laminating under the inboard of side-suction type lampblack absorber casing, the heating end and the heat transfer board laminating of semiconductor refrigeration piece, the heat transfer board is inside hollow plate body, the heat transfer board both ends are provided with respectively with the inside cold water inlet and the hot water export of intercommunication of heat transfer board, cold water inlet and resistance wire heating cabinet intercommunication, the hot water export then communicates with the bypass pipe.

Preferably, a third electronic switch valve is arranged on the water inlet pipe.

Preferably, the waste liquid water tank includes the main tank body, and main tank body upper end middle part sets up the waste liquid import with the outlet pipe intercommunication, the main tank bottom is provided with the leakage fluid dram of taking the end cap, the inside upper end of main tank still is fixed with the auxiliary tank body, and auxiliary tank bottom is provided with a plurality of through-holes, still be provided with the sponge piece in the auxiliary tank body, the inside cavity of sponge piece just is provided with vertical hole at upper end middle part, and vertical hole is with the inside and the inside intercommunication of main tank body of sponge piece.

Preferably, a transparent observation window is arranged on the side wall of the main box body.

Preferably, the bottom of the main tank body is further provided with a return pipe, the return pipe is communicated with a water pumping end of a second miniature water suction pump, and a water outlet end of the second miniature water suction pump is communicated with the top of the inner side of the clean water tank through a pipeline.

Preferably, the auxiliary box body is positioned at the lower end of the sponge block and is also provided with an activated carbon particle layer.

Preferably, the lower end of the side-suction type range hood shell is communicated with an accessory box, the clean water tank and the waste liquid tank can be detachably arranged in the accessory box, and a rotary switch door is arranged on the front end face of the accessory box.

Preferably, the side is inhaled formula lampblack absorber casing and is located to dismantle and keep off the dish outside and still be provided with and be annular and keep off the cigarette ring, keeps off the cigarette ring inboard and is the annular and be provided with a plurality of fumaroles, and a plurality of fumaroles all face can dismantle the slope of keeping off the dish and upwards set up, a plurality of the fumaroles is through keeping off the cigarette ring and the side is inhaled a mouthful intercommunication with the side, and the axis of fumarole is 10 ~ 15 contained angles with the radius direction that can dismantle the fender dish.

Preferably, the top of the side-suction type range hood shell is also provided with an oil smoke recycling system, the oil smoke recycling system comprises an oil smoke treatment system arranged in the decorative cover and an air outlet system arranged outside the decorative cover, and the oil smoke treatment system is communicated with the air outlet system through a pipeline;

the oil fume treatment system comprises a gas collecting hood, a fume treatment box, a condenser and a micro air pump which are sequentially communicated through pipelines, wherein the gas collecting hood is arranged on the inner side wall of a fume outlet duct;

the air outlet system comprises a metal hose communicated with the miniature air pump, an air outlet box communicated with the metal hose and an adjustable base for movably mounting the air outlet box.

Preferably, the flue gas treatment box comprises water absorption dedusting cotton and an active carbon filter screen plate which are sequentially arranged.

Preferably, a tourmaline particle screen plate, a flow distribution plate and a reel pipe rotating shaft are sequentially arranged in the air outlet box, an air outlet is further formed in one side face, close to the tourmaline particle screen plate, of the air outlet box, an adjustable grid is arranged at the air outlet, and the metal hose is wound on the reel pipe rotating shaft and is respectively communicated with the flow distribution plate and the miniature air pump.

Preferably, the adjustable base comprises a bottom plate fixed at the top of the side-suction type range hood shell, a sliding groove is formed in the upper end of the bottom plate, a horizontal rotating base is connected in the sliding groove in a sliding mode, and the upper end of the horizontal rotating base is rotatably connected with the air outlet box.

Preferably, the case lower extreme of giving vent to anger still is provided with the transverse rotating shaft, and the transverse rotating shaft both ends all stretch out the case both sides face of giving vent to anger and all with the rotation end fixed connection of free pause pivot, horizontal rotating base upper end both sides still are provided with the connecting plate, another rotation end of the free pause pivot at transverse rotating shaft both ends is fixed respectively on two connecting plates.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: the oil smoke purification device can purify oil smoke efficiently through the oil smoke purification assembly, the purification rate can reach more than 99%, the purification effect is obvious, the oil smoke purification device is combined with the spraying assembly, the purification effect is further improved, the spraying assembly can also automatically clean the oil smoke purification assembly, the oil smoke can be discharged in time after being purified, the interior of the oil smoke ventilator is ensured to be clean, the heat of the oil smoke ventilator can be absorbed for heating spray water, the cleaning effect is improved, the temperature of the oil smoke ventilator can be reduced, fresh air can be discharged through the oil smoke recycling system after the oil smoke is purified, the temperature of a kitchen is reduced, the air circulation of the kitchen is increased, the air cleanliness of the kitchen is improved, the air quality and the environment of the kitchen are improved, the comfort of a user is improved, and the physical and mental health of the user is benefited.

Drawings

FIG. 1 is a schematic structural view (side sectional view) of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural diagram of the lampblack purification assembly of the invention;

FIG. 4 is a schematic structural view of an outer filter disk of the present invention;

FIG. 5 is a schematic view of the waste water tank of the present invention;

FIG. 6 is a schematic view of the heat exchange assembly of the present invention;

FIG. 7 is a schematic view of a first cross-sectional configuration at a side suction opening of a housing of a side suction range hood in accordance with the present invention;

FIG. 8 is a schematic view of a first cross-sectional configuration at a side suction opening of a side draft range hood housing of the present invention;

FIG. 9 is a schematic structural view of the gas outlet box of the present invention;

the labels in the figures are: 1. rotating the switch door; 2. a bypass pipe; 3. a water outlet pipe; 4. a third electronic on-off valve; 5. a heat exchange assembly; 6. an oil fume purification component; 7. a removable catch tray; 8. a side suction port; 9. a smoke blocking ring; 10. a control panel; 11. a base plate; 12. horizontally rotating the base; 13. a transverse rotating shaft; 14. an air outlet box; 15. a miniature air pump; 16. a condenser; 17. a flue gas treatment box; 18. a gas-collecting hood; 19. a decorative cover; 20. a smoke outlet duct; 21. a smoke exhaust fan blade; 22. a smoke exhaust fan; 23. a side-draft range hood housing; 24. a water inlet pipe; 25. a resistance wire heating box; 26. a first electronic on-off valve; 27. a first micro water pump; 28. a second electronic on-off valve; 29. cleaning the water tank; 30. a second micro water pump; 31. an accessory case; 32. a waste liquid tank; 33. a tourmaline ceramic ball shell; 34. a through opening; 35. a water diversion plate; 36. an outer filter screen disc; 37. an inner filter screen disc; 38. rotating the bracket; 39. a positive and negative rotation waterproof motor; 40. a smoke inlet; 41. a shower pipe; 42. a high pressure spray head; 43. a ball bearing; 44. a connecting shaft; 45. a base; 46. a pawl; 47. a smoke outlet pipe; 48. a smoke permeable hole; 49. a fan blade; 50. a sponge block; 51. an auxiliary box body; 52. an activated carbon particle layer; 53. a through hole; 54. a return pipe; 55. a waste liquid inlet; 56. a vertical hole; 57. a transparent viewing window; 58. a plug; 59. a hot water outlet; 60. a heat exchange plate; 61. a cold water inlet; 62. a semiconductor refrigeration sheet; 63. a gas injection hole; 64. an air outlet; 65. a tourmaline particle net plate; 66. a flow distribution plate; 67. a metal hose; 68. a pipe coiling rotating shaft; 69. a spring seat; 70. a torsion spring.

Detailed Description

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.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "both ends", "between", "middle", "lower", "upper", "lower", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-9, the invention discloses a lampblack efficient purification lampblack absorber, which is used as the existing basic structure of the lampblack absorber and at least comprises a side-suction type lampblack absorber shell 23, the front end surface of the side-suction type lampblack absorber shell 23 is an inclined side surface, the upper end of the inclined side surface is a control area, the control area is provided with a control panel 10 for controlling the opening and closing or power of electric devices in the side-suction type lampblack absorber shell 23, the lower end of the inclined side surface is a smoking area, the smoking area is provided with a side smoking opening 8 penetrating through the side-suction type lampblack absorber shell 23, the side-suction type lampblack absorber shell 23 is further detachably provided with a detachable baffle disc 7 outside the side smoking opening 8, a smoke exhaust fan 22 is arranged in the side-suction type lampblack absorber shell 23, an output shaft of the smoke exhaust fan 22 is connected with smoke exhaust fan blades 21, the top of the side-suction type lampblack absorber shell 23 is communicated with a smoke outlet 20 penetrating through the top of the side-suction type lampblack absorber shell 23, the smoke exhaust fan 22 exhausts the smoke outlet 20 through the smoke outlet 21, the smoke outlet 20 is exhausted from the smoke outlet 20 with an external building, and an attractive air flue is sleeved outside the smoke outlet 19

As the core structure of the invention, the side-suction type range hood shell 23 is internally provided with an oil smoke purifying assembly 6 at the inner side of the side suction port 8, the oil smoke purifying assembly 6 is mainly used for purifying and adsorbing oil smoke and impurities in the oil smoke, the oil smoke purifying assembly specifically comprises a tourmaline ceramic ball shell 33, the tourmaline ceramic ball shell 33 is a ball-shaped shell made of tourmaline ceramic, a smoke inlet 40 hermetically communicated with the side suction port 8 is formed at one side opening of the tourmaline ceramic ball shell 33, an outward-protruding smoke outlet pipe 47 is formed at the side opposite to the smoke inlet 40, the pipe orifice of the smoke outlet pipe 47 is arranged facing the smoke exhaust fan blade 21, the oil smoke enters the tourmaline ceramic ball shell 33 through the smoke inlet 40 and is exhausted from the smoke outlet pipe 47, and in order to ensure smooth smoke circulation and reduce wind noise, the central axes of the side suction port 8, the smoke inlet 40 and the smoke outlet pipe 47 are preferably coincident. The tourmaline ceramic ball shell 33 is integrally spherical, so that the retention time of smoke entering from the smoke inlet 40 in the tourmaline ceramic ball shell 33 can be increased, oil smoke suddenly enters the tourmaline ceramic ball shell 33 with a larger space from a narrow space of the smoke inlet 40, a negative pressure state can be formed, the smoke inlet amount and the smoke inlet speed of the smoke inlet 40 can be increased, the smoking effect is improved, the tourmaline ceramic of the tourmaline ceramic ball shell 33 has high temperature resistance and oleophobic property, oil stains or oil stains on the surface of the tourmaline ceramic ball shell are very convenient to clean, the tourmaline ceramic ball shell can continuously release negative ions because of the tourmaline ceramic, the negative ions can not only purify the oil smoke, improve the air quality of discharged smoke, but also decompose the oil stains or the oil stains adhered to the inner surface of the tourmaline ceramic ball shell 33, and facilitate subsequent cleaning.

The oil smoke purification component 6 mainly comprises an outer filter screen disc 36 and an inner filter screen disc 37, two circular chutes are coaxially arranged on the inner side of the tourmaline ceramic spherical shell 33, the outer filter screen disc 36 and the inner filter screen disc 37 are respectively and rotatably connected in the two circular chutes so as to be convenient for the positioning of the two, concretely, the outer filter screen disc 36 is arranged facing to the smoke inlet 40 and used as a first layer filter structure, the inner filter screen disc 37 is arranged facing to the smoke outlet pipe 47 and used as a second layer filter structure, the two are mutually and rotatably connected through a unidirectional rotating component, the inner filter screen disc 37 is fixed on the inner side of the tourmaline ceramic spherical shell 33 through a rotating support 38, so that the outer filter screen disc 36 and the inner filter screen disc 37 are integrally supported on the inner side of the tourmaline ceramic spherical shell 33 through the rotating support 38, a forward and reverse rotation waterproof motor 39 is further fixed on the rotating support 38, and the output shaft of the forward and reverse rotation waterproof motor 39 is rotatably connected with the inner filter screen disc 37. After the oil fume enters the tourmaline ceramic spherical shell 33, the air flow can drive the outer filter screen disc 36 and the inner filter screen disc 37 to rotate in the circular chute, and then the impurities such as the tobacco tar in the oil fume flowing through the outer filter screen disc 36 and the inner filter screen disc 37 are adsorbed on the surface of the oil fume by utilizing the rotation effect of the outer filter screen disc and the inner filter screen disc, and the impurities on the surface are thrown into the tourmaline ceramic spherical shell 33 by rotating the centrifugal action, and through the structure of the double filter screen discs, the oil fume can be efficiently purified and adsorbed, the purification effect is obvious, the residual impurities on the surfaces of the outer filter screen disc 36 and the inner filter screen disc 37 are less, the oil fume adsorption can not be influenced, the cleaning is also convenient, furthermore, the outer filter screen disc 36 and the inner filter screen disc 37 are mutually rotatably connected through the unidirectional rotating assembly, the two can be ensured to always keep rotating in the same direction, the adsorption effect can be improved, the smoking and smoke exhaust effect can be avoided from being influenced by the mutual reverse rotation of the outer filter screen disc 36 and the inner filter screen disc 37, the vibration and the wind noise caused by the change of the wind pressure can be reduced, and the whole stability and the mute effect of the range hood can be improved. When the rotation speed of the outer filter screen disc 36 and the inner filter screen disc 37 needs to be increased to improve the smoking speed and the centrifugal effect, the forward and reverse rotation waterproof motor 39 can be started to drive the outer filter screen disc 36 and the inner filter screen disc 37 to rotate according to the rotation speed, so that the air volume of different strengths can be adapted to use.

In order to further improve the purification effect and simultaneously facilitate the cleaning of the range hood, the inner side of the tourmaline ceramic spherical shell 33 is also provided with a spraying assembly, the inner part of the side-suction type range hood shell 23 is also provided with a water inlet and outlet system communicated with the spraying assembly, the spraying assembly can provide cleaning water through the water inlet and outlet system to spray the inner part of the tourmaline ceramic spherical shell 33, so that in the process of absorbing oil smoke, the cleaning water can be used for absorbing oil smoke impurities in the oil smoke, the purification effect is further improved, in a halt state, the oil smoke purification assembly and the tourmaline ceramic spherical shell 33 can be washed by the cleaning water to clean the oil smoke purification assembly and the tourmaline ceramic spherical shell 33, the cleaning function of the range hood is realized without regular cleaning, further impurities such as oil smoke collected in the tourmaline ceramic spherical shell 33 can be cleaned, waste water is discharged and collected through the water inlet and outlet system, in the cleaning process, the forward and reverse rotation waterproof motor 39 can be started and controlled to further improve the cleaning effect of the oil smoke purification assembly, the surface cleaning effect is further ensured, and in the cleaning process, negative ions emitted by the tourmaline ceramic spherical shell 33 are combined with the water to further improve the cleaning effect.

Based on the structure, the oil smoke high-efficiency purification range hood utilizes the structural design of the tourmaline ceramic spherical shell 33, the oil smoke purification component 6 and the spraying component, so that the oil smoke purification effect of the range hood is obviously improved, the oil smoke purification rate can reach more than 99 percent, the interior of the range hood can be cleaned without disassembly, the cleaning effect is good, and the noise is low.

In addition, the positive and negative rotation waterproof motor 39 with the above structure can pass through the tourmaline ceramic ball shell 33 and be electrically connected with the control panel 10 after being wired inside the rotating bracket 38, so as to control the opening and closing and the positive and negative rotation of the motor.

In order to further improve the purification and cleaning effects of the tourmaline ceramic ball shell 33 and the oil fume purification component 6, the surfaces of the inner side of the tourmaline ceramic ball shell 33 and the smoke outlet pipe 47, the outer filter screen disc 36 and the inner filter screen disc 37 of the invention are all sprayed with the paraguay nano ceramic paint. The yerba mate nano ceramic coating has fine oleophobic nature, and tourmaline ceramic spherical shell 33 surface tobacco tar impurity adsorbs can flow to the bottom along the inner wall after the surface, and the impurity of being convenient for is collected, and outer filter screen dish 36 and interior filter screen dish 37 surface spraying yerba mate nano ceramic coating for the centrifugation that the two surface adsorption's impurity can be fine breaks away from under the two rotation effect, and then guarantees the adsorption effect and the clean effect of the two.

The outer filter screen disc 36 and the inner filter screen disc 37 of the invention are both silicon nitride ceramic discs which not only have the characteristics of high temperature resistance and corrosion resistance, ensure the service life of the outer filter screen disc 36 and the inner filter screen disc 37, but also have the oil repellency, and can be well separated from impurities such as tobacco tar and the like in a centrifugal way, in particular, the outer filter screen disc 36 and the inner filter screen disc 37 are both provided with a plurality of smoke through holes 48, the smoke through holes 48 are used as smoke channels, the oil smoke can only pass through the outer filter screen disc 36 and the inner filter screen disc 37 through the smoke through holes 48, the contact area between the oil smoke and the inner filter screen disc is increased, the adsorption effect of the oil smoke and the inner filter screen disc on the impurities in the oil smoke is improved, and in order to ensure that the outer filter screen disc 36 can rotate along with the flowing of the oil smoke, one side of the outer filter screen disc 36 facing the smoke inlet 40 is also provided with a plurality of fan blades 49 in an annular shape, the height of the fan blades 49 is gradually reduced along the middle of the outer filter screen disc 36 towards the circumferential direction, the fan blades 49 have a wind resistance effect, so that when oil smoke blows towards the outer filter screen disc 36, the fan blades 49 can quickly respond and rotate under the action of the fan blades 49, and because the height of the fan blades 49 is gradually reduced along the middle of the outer filter screen disc 36 towards the circumferential direction, the middle of the outer filter screen disc 36 can be enabled to bear a large force, and further the rotating torque of the outer filter screen disc is reduced, the wind power required by the rotation of the outer filter screen disc is small, the outer filter screen disc is suitable for being used under the condition of low wind power, after the outer filter screen disc 36 purifies most of the oil smoke, the inner filter screen disc 37 serves as a second-layer filtering structure, the remaining part can be filtered even if the inner filter screen disc 37 does not rotate, and even if the fan blades 49 are not arranged on the inner filter screen disc 37, the inner filter screen disc can also rotate under the action of a unidirectional rotating component or the wind power, and therefore the fan blades 49 can be used without being arranged.

In the invention, the unidirectional rotating component comprises a base 45 fixed in the middle of the inner filter screen disc 37, a pawl 46 is arranged in the base 45, a connecting shaft 44 is arranged in the middle of the outer filter screen disc 36, a circle of latch is arranged on the circumference of the end part of the connecting shaft 44, the connecting shaft 44 is arranged in the base 45, and the pawl 46 and the latch are matched with each other to form a ratchet mechanism, so that under the action of the pawl 46, the outer filter screen disc 36 and the inner filter screen disc 37 can only rotate along the same direction, the two are ensured to rotate in the same direction, the wind resistance of the two is further reduced, and the noise is reduced.

In order to ensure the smooth rotation of the outer filter screen disc 36 or the inner filter screen disc 37 and reduce the rotation resistance and noise, a plurality of balls 43 are embedded in the two circular chutes, and the plurality of balls 43 are positioned in the gap between the outer circumferential surface of the outer filter screen disc 36 or the inner filter screen disc 37 and the circular chutes, so that the outer filter screen disc 36 or the inner filter screen disc 37 not only has small rotation resistance and noise, but also can quickly rotate to quickly respond to oil smoke gas to purify the oil smoke.

As another core structure of the present invention, the spraying assembly comprises two spraying pipes 41 annularly disposed inside the tourmaline ceramic ball shell 33, the spraying pipes 41 are also made of tourmaline ceramic, silicon nitride ceramic disc, stainless steel, etc., the surface of the spraying pipe can also be sprayed with silver nano ceramic paint to increase the oleophobicity thereof, the two spraying pipes 41 are respectively disposed at the front end of the outer filter screen disc 36 and the rear end of the inner filter screen disc 37, so as to not only spray the front and rear ends inside the tourmaline ceramic ball shell 33, but also spray the outer filter screen disc 36 and the inner filter screen disc 37, which has good purification and cleaning effects, specifically, the spraying pipes 41 are further provided with a plurality of high pressure spray heads 42 at intervals along the length direction of the pipe body, the plurality of high pressure spray heads 42 are all obliquely disposed toward the outer filter screen disc 36 or the inner filter screen disc 37, the outer side of the tourmaline ceramic ball shell 33 is further fixed with a water inlet pipe 24 and a water outlet pipe 3, the water inlet pipe 24 is used for supplying water to the spraying pipes 41, and the water outlet pipe 3 is used for collecting and discharging the waste liquid inside the tourmaline ceramic ball shell 33, specifically: inlet tube 24 and two shower 41 intercommunications, for guaranteeing that two shower 41 supply water evenly, tourmaline ceramic spherical shell 33 outer wall can set up a flat distributive plate 35, the inside vacuole formation of distributive plate 35, two shower 41 all communicate with the inside cavity of distributive plate 35, inlet tube 24 then can supply water with distributive plate 35 intercommunication, it is provided with the through opening 34 that runs through tourmaline ceramic spherical shell 33 to be close to the lateral wall of inlet flue 40 at tourmaline ceramic spherical shell 33, outlet pipe 3 then communicates through opening 34 and the inboard intercommunication of tourmaline ceramic spherical shell 33, inlet tube 24 and outlet pipe 3 still communicate with business turn over water system and realize supplying water and go out water.

Continuing to supplement the description to the spraying assembly, the water inlet and outlet system is used as a partial structure of the spraying assembly and at least comprises a clean water tank 29 and a waste water tank 32, the waste water tank 32 is detachably communicated with the water outlet pipe 3 and is used for collecting waste water discharged by the water outlet pipe, clean water or clean water is arranged in the clean water tank 29 and is used for providing a water source, a water supply pipeline is arranged at the top of the clean water tank 29 and comprises a first miniature water suction pump 27, a first electronic switch valve 26 and a resistance wire heating tank 25 which are sequentially communicated with one another through a pipeline, the water suction end of the first miniature water suction pump 27 extends into the bottom of the clean water tank 29 and is communicated with the clean water tank 29 through the pipeline, the resistance wire heating tank 25 is communicated with the water inlet pipe 24, so that the first miniature water suction pump 27 can be used for sucking water in the clean water tank 29 and conveying the water to the water inlet pipe 24 through the first electronic switch valve 26 and the resistance wire heating tank 25 in sequence, and water supply of the water inlet pipe 24 is realized. In some embodiments, when the oil dirt on the inner wall of the tourmaline ceramic spherical shell 33 or the surface of the oil fume purification assembly 6 is stubborn, the resistance wire heating box 25 can be opened to heat the cleaning water passing through the inside, so that the hot water sprayed by the oil fume purification assembly 6 is enabled to soften and activate the oil dirt, and the cleaning effect is improved. In some embodiments, the clean water tank 29 may be in communication with an indoor water supply pipe for water supply cleaning, and if necessary, a detergent adding device may be provided at the interface for adding detergent.

As a supplement, the first micro water pump 27, the first electronic switch valve 26 and the resistance wire heating box 25 can all be wired through the inside of the side-suction range hood housing 23 and electrically connected with the control panel 10, so as to be controlled in a centralized manner, and the control panel 10 can be provided with functional buttons such as water supply and hot water supply to realize the function of a water supply pipeline.

Because the waste liquid collected by the water outlet pipe 3 can take away oil smoke heat or has higher temperature due to the heating action of the resistance wire heating box 25, in order to fully utilize the heat, the water supply pipeline also comprises a bypass pipe 2, a second electronic switch valve 28 is arranged on the bypass pipe 2, two ends of the bypass pipe are respectively communicated with the resistance wire heating box 25 and a cleaning water box 29, the bypass pipe 2 is a flat pipe and spirally wound on the water outlet pipe 3, so that part of the cleaning water flowing through the resistance wire heating box 25 can flow through the bypass pipe 2, the cleaning water is heated and heated through the contact heat exchange action of the bypass pipe 2 and the water outlet pipe 3, and then returns to the cleaning water box 29 through the bypass pipe 2, thereby reducing the power of the resistance wire heating box 25 or directly closing the resistance wire heating box 25 to reach high-temperature cleaning water, not only reducing the integral temperature of the range hood, fully utilizing the waste heat of the range hood, but also reducing the power of the resistance wire heating box 25 and reducing the energy consumption.

In order to further reduce the working heat of the range hood and improve the waste heat utilization effect, the lower end of the inner side of the side-suction range hood shell 23 is further provided with a heat exchange assembly 5, the heat exchange assembly 5 comprises a heat exchange plate 60 at the upper end and a semiconductor refrigerating sheet 62 at the lower end, the refrigerating end of the semiconductor refrigerating sheet 62 is attached to the lower end face of the inner side of the side-suction range hood shell 23, the heating end of the semiconductor refrigerating sheet 62 is attached to the heat exchange plate 60, the semiconductor refrigerating sheet 62 can adsorb the heat of the side-suction range hood shell 23 and transfer the heat to the heat exchange plate 60 through the heating end of the side-suction range hood shell, the heat exchange plate 60 is a hollow plate body with the inside, the two ends of the hollow plate body are respectively provided with a cold water inlet 61 and a hot water outlet 59 which are communicated with the inside of the heat exchange plate, the cold water inlet 61 is communicated with the resistance wire heating box 25, the hot water outlet 59 is communicated with the bypass pipe 2, so that part of the cleaning water flowing through the resistance wire heating box 25 can also flow through the heat exchange plate 60, the heat exchange heat of the heat exchange plate on the heat on the lower end face of the inner side-suction range hood shell 23, and the cleaning water can be preheated, the heat dissipation effect of the heat reuse can be achieved, and the heat can be achieved, and the effect of the range hood shell can be achieved at the same time, and the same time of the heat utilization effect of the same action.

In addition, a third electronic on-off valve 4 is arranged on the water inlet pipe 24. When the spraying is not needed, the third electronic switch valve 4 can be closed, the second electronic switch valve 28, the first electronic switch valve 26 and the first micro water suction pump 27 are opened, the heat exchange assembly 5 can also exchange heat, and the heat of the lower end face of the inner side of the side-suction type range hood shell 23 is absorbed, so that good heat dissipation and heat recycling effects are achieved.

In the invention, the third electronic switch valve 4 and the second electronic switch valve 28 can also be wired inside the side-suction range hood shell 23 and electrically connected with the control panel 10 so as to be conveniently controlled in a centralized manner, and the control panel 10 can be provided with functional buttons such as waste heat utilization, host heat dissipation and the like to realize heat dissipation and preheating utilization.

As a big core structure of business turn over water system, waste liquid water tank 32 includes the main tank body, main tank body upper end middle part sets up the waste liquid import 55 with outlet pipe 3 intercommunication, the main tank bottom is provided with the leakage fluid dram that takes end cap 58 and is used for discharging the waste liquid, main tank body inside upper end still is fixed with auxiliary box 5, auxiliary box 51 bottom is provided with a plurality of through-holes 53 and is used for the flowing back, still be provided with sponge piece 50 in auxiliary box 51, sponge piece 50 inside cavity is formed with the waste collection chamber, waste collection chamber upper end sets up the vertical hole 56 with the inside intercommunication of main tank, thereby the waste liquid of outlet pipe 3 discharge then gets into main tank body inside through waste liquid import 55, and at first get into the waste collection chamber through vertical hole 56, because the micropore adsorption effect of sponge piece 50, waste oil, dirt, the collection intracavity is collected to the waste collection to tiny dust particle etc. in the waste liquid of waste collection, so that waste oil recycles, and water in the waste liquid passes through sponge piece 50 after the through-hole 53 discharges to main tank body lower extreme and collects, thereby waste oil can filter and collect and recycle, and guarantee that the waste liquid that the discharge requirement is satisfied.

In order to reduce the consumption of the cleaning water, a return pipe 54 is further arranged at the bottom of the main tank body, the return pipe 54 is communicated with a water pumping end of the second micro water pump 30, and a water outlet end of the second micro water pump 30 is communicated with the top of the inner side of the cleaning water tank 29 through a pipeline. The return pipe 54 can make the waste water adsorbed and filtered by the sponge block 50 enter the clean water tank 29 again through the second micro water pump 30 for recycling, so that the water consumption of the clean water tank 29 can be reduced. In some embodiments, the second micro-pump 30 can be electrically connected to the control panel 10 through a wire inside the side-suction type range hood housing 23, and a function button such as a circulating water supply button is disposed on the control panel 10 for opening and closing control.

In addition, the lower end of the sponge block 50 in the auxiliary box body 51 is also provided with an activated carbon particle layer 52, so that the activated carbon particle layer 52 is used for filtering and adsorbing the wastewater again and eliminating peculiar smell, and the cleanness degree of the wastewater in the recycling process is ensured.

In order to facilitate the loading, unloading and replacement of the clean water tank 29 and the waste liquid tank 32, the lower end of the side-suction type range hood shell 23 is also communicated with an accessory box 31, the clean water tank 29 and the waste liquid tank 32 can be detachably arranged in the accessory box 31, and the front end surface of the accessory box 31 is provided with a rotary switch door 1, so that the accessory box 31 can be opened by rotating the switch door 1 when needed.

In order to improve the integral smoke gathering effect and range of the range hood and enhance the purification effect, the side-suction type range hood shell 23 is also provided with an annular smoke blocking ring 9 positioned on the outer side of a detachable blocking disc 7, the inner side of the smoke blocking ring 9 is provided with a plurality of air injection holes 63 in an annular shape, the plurality of air injection holes 63 are all obliquely and upwards arranged towards the detachable blocking disc 7, the plurality of air injection holes 63 are communicated with a side suction port 8 through the smoke blocking ring 9 and the side-suction type range hood shell 23, so that when smoke is adsorbed into the side suction port 8, part of the smoke can enter the air injection holes 63 and is obliquely and upwards ejected towards the detachable blocking disc 7 through the air injection holes 63, an annular air injection field is formed, and the smoke absorption effect is accelerated, and because the jet orifice 63 sprays the direction and can dismantle fender dish 7, still can drive the outside gas initiative flow direction side suction inlet 8 of keeping off cigarette ring 9, and then increase and hold together cigarette effect and scope, and, the axis (shown by the Z line in figure 8) of jet orifice 63 is 10 ~ 15 contained angles with the radius direction (shown by the R line in figure 8) that can dismantle fender dish 7, make the jet orifice 63 spout gas upwards to the slant to can dismantle fender dish 7, make the oil smoke gas that keeps off cigarette ring 9 form the ascending air current structure of spiral, similar tornado, thereby can produce great suction, adsorb and keep off the air initiative entering side suction inlet 8 in cigarette ring 9 lower extreme and outside, further improve and hold together cigarette effect and scope, the oil smoke adsorbs completely, further improve purifying effect.

The invention is to solve the kitchen air environment is relatively poor, the air temperature is high and unsmooth and cause the person in the kitchen to breathe hard, discomfort such as stuffy heat, etc. when the kitchen ventilator uses, also disclose a kind of lampblack reuse system, this lampblack reuse system is set up in the top of the side-draught type lampblack absorber casing 23, including the lampblack treatment system set up in decorating the 19 and setting up the exhaust system outside decorating the 19, lampblack treatment system and exhaust system are communicated through the pipeline, specifically, the lampblack treatment system includes the gas collecting hood 18, flue gas treatment box 17, condenser 16 and miniature air pump 15 that the pipeline communicates sequentially, the said gas collecting hood 18 is set up in the inside wall of the exhaust flue 20, after opening the miniature air pump 15, can guide the lampblack in the exhaust flue 20 through the gas collecting hood 18, and process and filter through the exhaust box 17, the condenser 16 cools down (if need to discharge the normal temperature gas or hot blast, the condenser 16 can not open), discharge the cold wind after the pipeline discharges through the exhaust system, cool wind carries on the human body, and brings into the exhaust system, guarantee the kitchen air circulation of the kitchen, and the metal hose that the exhaust box 67 that the miniature air pump 15 communicates is installed, can be used for the adjustable cold blast through the side-exhaust system 14, the exhaust system, 14, the kitchen air outlet hose 14 that the kitchen air outlet hose that can be used for forming. In some embodiments, the flue gas treatment box 17 includes water absorption dedusting cotton and an activated carbon filter screen plate arranged in sequence, and the water absorption dedusting cotton and the activated carbon filter screen plate are used for performing water removal dedusting adsorption on the absorbed flue gas, so as to ensure the quality of fresh air.

As another recycling mode of oil smoke, the outlet end of the miniature air pump 15 can be communicated with a bypass air pipe, the bypass air pipe is communicated with the water inlet pipe 24 after passing through the pipe inside the side-suction range hood shell 23, so that air can be provided through the bypass air pipe when needed, and the spraying pipe 41 can spray the air to dry and clean the air inside the tourmaline ceramic spherical shell 33.

As a supplement, the condenser 16 and the micro air pump 15 can be electrically connected to the control panel 10 through the internal wiring of the side-suction range hood housing 23 for centralized control, and the control panel 10 can be provided with functions such as fresh air opening and hot air opening for function control.

As one of the main structures of the oil smoke recycling system, a tourmaline particle screen plate 65, a flow distribution plate 66 and a reel pipe rotating shaft 68 are sequentially arranged in the air outlet box 14, an air outlet 64 is further formed in one side surface, close to the tourmaline particle screen plate (65), of the air outlet box 14, the adjustable grid is arranged on the air outlet 64, a metal hose 67 is wound on the reel pipe rotating shaft 68 and is respectively communicated with the flow distribution plate 66 and the micro air pump 15, so that the metal hose 67 can release redundant length under the rotating action of the reel pipe rotating shaft 68, the air outlet box 14 can move, a user can move the air outlet box 14 to a proper position for air outlet, fresh air blown out from the metal hose 67 is divided by the flow distribution plate 66 and then slowly blown out at a reduced speed, when the fresh air flows through the tourmaline particle screen plate 65, tourmaline particles in the tourmaline particle screen plate 65 release negative ions and are taken away by air, the negative ions adsorb impurities in the fresh air, the quality of the fresh air is improved, the fresh air energy directly adsorbed by a human body is ensured, and the fresh air carried by the negative ions in the fresh air is beneficial to the human body after being adsorbed by the human body, thereby reducing uncomfortable feelings such as difficulty in breathing and vexation, when the air outlet 64 and the direction needs to be adjusted. In some embodiments, a spring seat 69 is further disposed inside the air outlet box 14, one end of the rolling pipe rotating shaft 68 penetrates through the spring seat 69 and enters the inner side of the spring seat 69, and a torsion spring 70 is sleeved on the rolling pipe rotating shaft 68 and the spring seat 69, two connection ends of the torsion spring 70 are respectively fixed on the rolling pipe rotating shaft 68 and the spring seat 69, and after the rolling pipe rotating shaft 68 rotates to release the excess length of the metal hose 67, the released metal hose 67 can be retracted and rewound under the torque effect of the torsion spring 70, so that the metal hose 67 can be released and used many times.

In order to facilitate the movement of the air outlet box 14, the adjustable base comprises a bottom plate 11 fixed at the top of a side-suction type range hood shell 23, a sliding groove is formed in the upper end of the bottom plate 11, a horizontal rotating base 12 is connected in the sliding groove in a sliding mode, and the upper end of the horizontal rotating base 12 is rotatably connected with the air outlet box 14. The air outlet box 14 not only can horizontally rotate under the action of the horizontal rotating base 12, but also can horizontally slide in the sliding groove, so that the adjustment can be carried out according to the needs of a user, and the air outlet box 14 can be taken up to be separated from the bottom plate 11 when appropriate, thereby being extremely convenient to use.

For further facilitating the use of the air outlet box 14, the lower end of the air outlet box 14 is further provided with a transverse rotating shaft 13, two ends of the transverse rotating shaft 13 extend out of two side surfaces of the air outlet box 14 and are fixedly connected with the rotating ends of the free pause rotating shafts, two connecting plates are further arranged on two sides of the upper end of the horizontal rotating base 12, and the other rotating ends of the free pause rotating shafts at the two ends of the transverse rotating shaft 13 are respectively fixed on the two connecting plates. The air outlet box 14 can rotate up and down under the action of the transverse rotating shaft 13, so that the air outlet height can be adjusted to be suitable for users with different heights, and the rotating shaft can be stopped freely to ensure that the air outlet box 14 can rotate to any angle and can be positioned and maintained independently.

The above description is an embodiment of the present invention. The foregoing is a preferred embodiment of the present invention, and the preferred embodiments in the preferred embodiments can be combined and used in any combination if not obviously contradictory or prerequisite to a certain preferred embodiment, and the specific parameters in the embodiments and examples are only for the purpose of clearly illustrating the invention verification process of the inventor and are not intended to limit the patent protection scope of the present invention, which is subject to the claims and the equivalent structural changes made by the content of the description and the drawings of the present invention are also included in the protection scope of the present invention.

Claims

1. An oil smoke high-efficiency purification oil smoke machine comprises a side-draft oil smoke machine shell (23), wherein a control panel (10) and a side draft opening (8) are arranged on the front end face of the side-draft oil smoke machine shell (23), a detachable blocking disc (7) is arranged outside the side draft opening (8), a smoke exhaust fan (22) is arranged inside the side-draft oil smoke machine shell (23), an output shaft of the smoke exhaust fan (22) is connected with smoke exhaust fan blades (21), the top of the side-draft oil smoke machine shell (23) is communicated with a smoke outlet air duct (20) penetrating through the top of the side-draft oil smoke machine shell (23), and a decorative cover (19) covers the outside of the smoke outlet air duct (20);

it is characterized in that the preparation method is characterized in that,

an oil smoke purification assembly (6) is further arranged inside the side suction port (8) inside the side suction type range hood shell (23), the oil smoke purification assembly (6) comprises a tourmaline ceramic spherical shell (33), one side of the tourmaline ceramic spherical shell (33) is provided with a smoke inlet (40) hermetically communicated with the side suction port (8), one side of the tourmaline ceramic spherical shell (33) opposite to the smoke inlet (40) is formed with a smoke outlet pipe (47) protruding outwards, and the position of a pipe orifice of the smoke outlet pipe (47) faces the smoke pumping fan blades (21);

the inner side of the tourmaline ceramic spherical shell (33) is coaxially provided with two circular chutes, the oil smoke purification assembly (6) comprises an outer filter screen disc (36) and an inner filter screen disc (37) which are respectively connected in the two circular chutes in a rotating way, the outer filter screen disc (36) and the inner filter screen disc (37) are mutually connected in a rotating way through a one-way rotating assembly, the outer filter screen disc (36) is arranged facing a smoke inlet (40), the inner filter screen disc (37) is arranged facing a smoke outlet pipe (47), the inner filter screen disc (37) is fixed on the inner side of the tourmaline ceramic spherical shell (33) through a rotating support (38), and a positive and negative rotation waterproof motor (39) for driving the inner filter screen disc (37) to rotate is further fixed on the rotating support (38);

a spraying assembly is further arranged on the inner side of the tourmaline ceramic spherical shell (33), and a water inlet and outlet system communicated with the spraying assembly is further arranged inside the side-suction type range hood shell (23);

an oil smoke treatment system is arranged in the decorative cover (19), an air outlet system is arranged outside the decorative cover (19), the oil smoke treatment system is communicated with the air outlet system through a pipeline, the oil smoke treatment system comprises a gas collecting hood (18), a smoke treatment box (17), a condenser (16) and a micro air pump (15), which are sequentially communicated through a pipeline, and the gas collecting hood (18) is arranged on the inner side wall of a smoke outlet air duct (20); the air outlet system comprises a metal hose (67) communicated with the micro air pump (15), an air outlet box (14) communicated with the metal hose (67) and an adjustable base for movably mounting the air outlet box (14);

a tourmaline particle mesh plate (65), a flow distribution plate (66) and a reel pipe rotating shaft (68) are sequentially arranged in the air outlet box (14), an air outlet (64) is further formed in one side face, close to the tourmaline particle mesh plate (65), of the air outlet box (14), an adjustable grid is arranged at the air outlet (64), and a metal hose (67) is wound on the reel pipe rotating shaft (68) and is respectively communicated with the flow distribution plate (66) and the miniature air pump (15).

2. The range hood according to claim 1, characterized in that the tourmaline ceramic ball shell (33) and the inner side of the smoke outlet pipe (47), the outer filter screen disc (36) and the inner filter screen disc (37) are sprayed with paraguat nano ceramic paint.

3. A range hood as claimed in claim 1, wherein the outer filter screen disc (36) and the inner filter screen disc (37) are silicon nitride ceramic discs, the outer filter screen disc (36) and the inner filter screen disc (37) are provided with a plurality of smoke holes (48), one side of the outer filter screen disc (36) facing the smoke inlet (40) is further provided with a plurality of fan blades (49) in an annular shape, and the heights of the fan blades (49) decrease progressively along the middle part of the outer filter screen disc (36) to the circumferential direction.

4. A range hood as claimed in claim 1, wherein the unidirectional rotation assembly comprises a base (45) fixed in the middle of the inner filter screen disc (37), a pawl (46) is arranged in the base (45), a connecting shaft (44) is arranged in the middle of the outer filter screen disc (36), a circle of latch is arranged on the circumference of the end of the connecting shaft (44), the connecting shaft (44) is arranged in the base (45), and the pawl (46) and the latch are matched with each other to form a ratchet mechanism.

5. The range hood according to claim 1, wherein the spraying assembly comprises two spraying pipes (41) annularly arranged on the inner side of the tourmaline ceramic spherical shell (33), the two spraying pipes (41) are respectively arranged at the front end of the outer filter screen disc (36) and the rear end of the inner filter screen disc (37), the spraying pipes (41) are further provided with a plurality of high-pressure spray heads (42) at intervals along the length direction of the pipe body, the high-pressure spray heads (42) are all obliquely arranged towards the outer filter screen disc (36) or the inner filter screen disc (37), a water inlet pipe (24) and a water outlet pipe (3) are further fixed on the outer side of the tourmaline ceramic spherical shell (33), the water inlet pipe (24) is communicated with the two spraying pipes (41), the water outlet pipe (3) is communicated with the inner part of the tourmaline ceramic spherical shell (33) close to the smoke inlet (40), and the water inlet pipe (24) and the water outlet pipe (3) are further communicated with the water inlet and outlet system.

6. A range hood as claimed in claim 5, wherein the water inlet and outlet system comprises a clean water tank (29) and a waste water tank (32), the water outlet pipe (3) is detachably communicated with the waste water tank (32), a water supply pipeline is arranged at the top of the clean water tank (29), the water supply pipeline comprises a first miniature water pump (27), a first electronic switch valve (26) and a resistance wire heating tank (25) which are sequentially communicated through a pipeline, the water pumping end of the first miniature water pump (27) extends into the bottom of the clean water tank (29) to be communicated with the clean water tank (29), and the resistance wire heating tank (25) is communicated with the water inlet pipe (24).

7. A range hood as claimed in claim 6, characterized in that the water supply pipeline further comprises a bypass pipe (2), a second electronic switch valve (28) is arranged on the bypass pipe (2), two ends of the bypass pipe are respectively communicated with the resistance wire heating box (25) and the cleaning water tank (29), and the bypass pipe (2) is a flat pipe and spirally wound on the water outlet pipe (3).

8. The range hood according to claim 7, wherein a heat exchange assembly (5) is further arranged at the lower end of the inner side of the side-suction range hood shell (23), the heat exchange assembly (5) comprises a heat exchange plate (60) at the upper end and a semiconductor refrigerating sheet (62) at the lower end, the refrigerating end of the semiconductor refrigerating sheet (62) is attached to the lower end face of the inner side of the side-suction range hood shell (23), the heating end of the semiconductor refrigerating sheet (62) is attached to the heat exchange plate (60), the heat exchange plate (60) is a hollow plate body with a hollow inner portion, a cold water inlet (61) and a hot water outlet (59) which are communicated with the inner portion of the heat exchange plate are respectively arranged at two ends of the heat exchange plate (60), the cold water inlet (61) is communicated with the resistance wire heating box (25), and the hot water outlet (59) is communicated with the bypass pipe (2).

9. A range hood as claimed in claim 6, wherein the waste liquid tank (32) comprises a main box body, a waste liquid inlet (55) communicated with the water outlet pipe (3) is formed in the middle of the upper end of the main box body, a liquid outlet with a plug (58) is formed in the bottom of the main box body, an auxiliary box body (51) is further fixed at the upper end of the inside of the main box body, a plurality of through holes (53) are formed in the bottom of the auxiliary box body (51), a sponge block (50) is further arranged in the auxiliary box body (51), the sponge block (50) is hollow and a vertical hole (56) is formed in the middle of the upper end of the sponge block (50), and the inside of the sponge block (50) is communicated with the inside of the main box body through the vertical hole (56).

10. A range hood as claimed in claim 9, characterized in that a return pipe (54) is further arranged at the bottom of the main box body, the return pipe (54) is communicated with a water pumping end of a second micro water pump (30), and a water outlet end of the second micro water pump (30) is communicated with the top of the inner side of the clean water tank (29) through a pipeline.