CN221611455U - Fume purifying equipment - Google Patents

Abstract

The utility model belongs to the technical field of electric appliances, and particularly discloses oil fume purifying equipment. The oil fume purifying device comprises a shell, a purifying component, an ultrasonic vibration component, a heating unit and a fan. The purification component is arranged in the smoke collecting cavity and comprises a smoke adsorption unit and a smoke filter screen which are sequentially arranged from a smoke inlet to an air outlet; the ultrasonic vibration assembly comprises an ultrasonic generator and an ultrasonic transducer arranged on the oil smoke filter screen, and is used for driving the oil smoke filter screen to vibrate; the heating unit is used for heating the oil smoke filter screen; the fan is installed in the casing, and is used for guiding the oil smoke to pass through smoke inlet, oil smoke adsorption unit, oil smoke filter screen and air outlet in proper order. The oil fume purifying device disclosed by the utility model can improve the oil fume purifying effect and realize the self-cleaning performance of the oil fume filter screen.

Description

Fume purifying equipment

Technical Field

The utility model relates to the technical field of electric appliances, in particular to oil fume purifying equipment.

Background

With the improvement of life quality requirements of people, the range hood capable of pumping and purifying the oil smoke is widely applied to cooking scenes such as restaurants or household kitchens, so that the damage of the oil smoke to cooking staff is greatly reduced, and the cooking experience of users is improved.

The existing range hood generally comprises a machine body with a smoke collecting cavity and a fan arranged in the machine body, wherein the smoke collecting cavity is provided with a smoke inlet, and a filter screen for filtering oil smoke is arranged at the smoke inlet. When the fan operates, negative pressure is formed at the smoke inlet, and the oil smoke enters the smoke collecting cavity through the filter screen at the smoke inlet and is discharged through the smoke outlet of the machine body.

However, because the cooking fume generated by cooking contains more harmful substances such as grease, particulate matters and the like, the conventional range hood generally only depends on a filter screen at a fume inlet to condense and primarily filter the fume, so that the fume discharged from the range hood has great pollution to the environment. For reinforcing oil smoke purifies and filterable effect, there is the scheme that sets up the multilayer filter screen in order to realize the oil smoke separation in album cigarette chamber among the prior art, but this kind of setting for the oil smoke is attached to the filter screen when the filter screen, causes the filter screen clean difficulty, influences filter screen filtration and purifying effect after long-term use.

Disclosure of utility model

The utility model aims to provide oil smoke purifying equipment, which can enhance the filtering and purifying effects on oil smoke, reduce the pollution of oil smoke discharge to the environment, improve the cleaning convenience of an oil smoke filter screen and improve the long-term service performance of the oil smoke purifying equipment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A fume purification apparatus comprising:

The shell is provided with a smoke collecting cavity, a smoke inlet and an air outlet, and the smoke inlet and the air outlet are communicated with the smoke collecting cavity;

the purification assembly is arranged in the smoke collecting cavity and comprises a smoke adsorption unit and a smoke filter screen which are sequentially arranged from a smoke inlet to an air outlet;

the ultrasonic vibration assembly comprises an ultrasonic generator and an ultrasonic transducer arranged on the oil smoke filter screen, and is used for driving the oil smoke filter screen to vibrate;

The heating unit is used for heating the oil smoke filter screen;

the fan is arranged in the shell and used for guiding the oil smoke to sequentially pass through the smoke inlet, the oil smoke adsorption unit, the oil smoke filter screen and the air outlet.

As an alternative technical scheme of the oil fume purifying device, the ultrasonic vibration component is arranged at one side of the oil fume filter screen far away from the oil fume adsorption unit;

And/or the heating unit is positioned at one side of the oil smoke filter screen far away from the oil smoke adsorption unit.

As an optional technical scheme of oil smoke purifying equipment, ultrasonic generator sets up on the chamber wall of collection cigarette chamber, and ultrasonic generator is provided with two at least along collection cigarette chamber's circumference interval, and ultrasonic transducer is provided with a plurality ofly on the oil smoke filter screen interval.

As an alternative technical scheme of the fume purifying device, the heating unit comprises a plurality of ultraviolet heating pipes.

As an optional technical scheme of oil smoke clarification plant, purification subassembly still includes air purification unit, and air purification unit sets up between air outlet and oil smoke filter screen, and air purification unit is used for carrying out peculiar smell purification to the oil smoke that flows to the air outlet.

As an alternative technical scheme of the fume purifying device, the air purifying unit comprises a porous medium structure, a particulate matter adsorption structure or a nanofiber structure.

As an alternative technical scheme of the oil smoke purifying device, the smoke inlet, the oil smoke adsorption unit, the oil smoke filter screen and the air outlet are sequentially arranged from bottom to top.

As an optional technical scheme of oil smoke clarification plant, oil smoke clarification plant still includes the guide plate, and the guide plate has a plurality of water conservancy diversion holes, and the central line of water conservancy diversion hole is perpendicular with the oil smoke adsorption unit, and the guide plate interval sets up in the oil smoke adsorption unit one side that keeps away from the oil smoke filter screen.

As an alternative technical scheme of the oil fume purifying device, a fume inlet is provided with a fume inlet grid, and the inner side of the fume inlet grid is provided with an air inlet filtering unit;

And/or the air outlet is covered with a dustproof filter screen.

As an optional technical scheme of the oil smoke purifying device, a spraying unit is arranged in the smoke collecting cavity and used for spraying washing water to the oil smoke filter screen.

The utility model has the beneficial effects that:

According to the oil smoke purifying device provided by the utility model, when oil smoke enters the smoke inlet and flows to the air outlet, the oil smoke passes through the oil smoke adsorption unit, so that grease and particulate matters in the oil smoke are adsorbed by the oil smoke adsorption unit, the content of grease and particulate matters in the oil smoke is reduced, the oil smoke is primarily purified, the primarily purified oil smoke is condensed and filtered when passing through the oil smoke filter screen, the oil smoke amount discharged from the air outlet can be further reduced, the filtering and purifying effects of the oil smoke purifying device on the oil smoke are enhanced, and the pollution of the discharged oil smoke to the environment is reduced; meanwhile, when the oil smoke filter screen needs to be cleaned, the heating unit can be used for heating the oil smoke filter screen, so that grease attached to the oil smoke filter screen is softened to form liquid oil drops, and meanwhile, the oil drops on the oil smoke filter screen can be separated from the oil smoke filter screen due to vibration by matching with the vibration action of the ultrasonic vibration assembly, so that the automatic cleaning of the oil smoke filter screen is realized, and the filtering effect of the oil smoke filter screen under long-term use is ensured; moreover, adopt ultrasonic vibration subassembly to drive oil smoke filter screen vibration, noise when can reducing oil smoke filter screen vibration to reduce oil smoke clarification plant's noise, improve oil smoke clarification plant's use and experience.

Drawings

Fig. 1 is a schematic structural diagram of a fume purifying apparatus according to an embodiment of the present utility model.

The figures are labeled as follows:

1. An ultrasonic vibration assembly; 11. an ultrasonic generator; 12. an ultrasonic transducer; 13. an ultrasonic controller; 2. a heating unit; 3. a purification assembly; 31. a fume adsorption unit; 32. a fume filter screen; 33. an air purifying unit; 4. a deflector; 5. a housing; 51. a housing; 511. a smoke inlet; 512. an air outlet; 52. a base; 521. a sewage outlet; 53. a smoke collecting cavity; 6. an air inlet filtering unit; 7. a dust-proof filter screen; 8. a blower; 9. and (5) supporting legs.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

As shown in fig. 1, the embodiment of the utility model provides a fume purifying device, which can be applied to cooking scenes such as restaurants or household kitchens, so as to realize fume exhausting and purifying, reduce the fume amount discharged to the outside air, reduce the pollution to the environment and improve the self-cleaning performance of the fume purifying device.

Specifically, the range hood provided in the present embodiment includes a housing 5, a purifying assembly 3, an ultrasonic vibration assembly 1, a heating unit 2, and a blower 8. The casing 5 is provided with a smoke collecting cavity 53, a smoke inlet 511 and an air outlet 512, and the smoke inlet 511 and the air outlet 512 are communicated with the smoke collecting cavity 53; the purifying component 3 is arranged in the smoke collecting cavity 53, and the purifying component 3 comprises a smoke adsorption unit 31 and a smoke filter screen 32 which are sequentially arranged from a smoke inlet 511 to an air outlet 512; the ultrasonic vibration assembly 1 comprises an ultrasonic generator 11 and an ultrasonic transducer 12 arranged on the oil smoke filter screen 32, and the ultrasonic vibration assembly 1 is used for driving the oil smoke filter screen 32 to vibrate; the heating unit 2 is used for heating the oil smoke filter screen 32; the fan 8 is installed in the casing 5, and is used for guiding the oil smoke to pass through the smoke inlet 511, the oil smoke adsorption unit 31, the oil smoke filter screen 32 and the air outlet 512 in sequence.

When the oil smoke enters the smoke inlet 511 and flows to the air outlet 512, the oil smoke passes through the oil smoke adsorption unit 31, so that grease and particulate matters in the oil smoke are partially adsorbed by the oil smoke adsorption unit 31, the content of grease and particulate matters in the oil smoke is reduced, the oil smoke is primarily purified, the oil smoke subjected to primary purification is condensed and filtered when passing through the oil smoke filter screen 32, the oil smoke amount of the air outlet 512 can be further reduced, the filtering and purifying effects of the oil smoke purification device on the oil smoke are enhanced, and the pollution of the discharged oil smoke to the environment is reduced; meanwhile, when the oil smoke filter screen 32 needs to be cleaned, the heating unit 2 can be adopted to heat the oil smoke filter screen 32 by arranging the heating unit 2 and the ultrasonic vibration component 1, so that grease attached to the oil smoke filter screen 32 can be softened to form liquid oil drops, and meanwhile, the oil drops on the oil smoke filter screen 32 can be separated from the oil smoke filter screen 32 due to vibration by matching with the vibration action of the ultrasonic vibration component 1, so that the automatic cleaning of the oil smoke filter screen 32 is realized, and the filtering effect of the oil smoke filter screen 32 under long-term use is ensured; furthermore, the ultrasonic vibration assembly 1 is adopted to drive the oil smoke filter screen 32 to vibrate, so that the noise generated when the oil smoke filter screen 32 vibrates can be reduced, the noise of the oil smoke purifying equipment is reduced, and the use experience of the oil smoke purifying equipment is improved.

In this embodiment, the smoke inlet 511, the smoke adsorbing unit 31, the smoke filter 32 and the air outlet 512 are sequentially arranged from bottom to top. The arrangement can enable the high-temperature oil fume to flow upwards under the natural rising action, and improves the smoothness of the oil fume flow, thereby improving the oil fume pumping and exhausting effect; simultaneously, this kind of setting for the oil droplet that drips down because of the vibration drips to oil smoke adsorption unit 31 department and is adsorbed by oil smoke adsorption unit 31, reduces the probability that fluid is at the inside turbulent flow of range hood, and effectively avoids oil to drip down to the top of a kitchen range on, further reduces oil smoke purifying equipment's the clearance degree of difficulty, improves oil smoke purifying equipment's clearance effect.

In other embodiments, the smoke inlet 511, the smoke adsorbing unit 31, the smoke filtering screen 32 and the air outlet 512 may be sequentially arranged along the horizontal direction, that is, the fan 8 drives the smoke to flow along the horizontal direction. In another embodiment, the smoke inlet 511, the smoke adsorbing unit 31, the smoke filter 32 and the air outlet 512 may be sequentially arranged from top to bottom, and the smoke purifying apparatus may be an integrated kitchen range.

In this embodiment, the ultrasonic vibration assembly 1 is disposed on one side of the oil smoke filter screen 32 away from the oil smoke adsorption unit 31, so as to reduce the probability of grease adhering to the ultrasonic transducer and improve the use reliability of the ultrasonic transducer. The ultrasonic generator 11 is arranged on the cavity wall of the smoke collecting cavity 53, so that the ultrasonic generator 11 is kept in a static state when the oil smoke filter screen 32 vibrates, and the use reliability of the ultrasonic vibration assembly 1 is ensured.

The ultrasonic vibration assembly 1 further comprises an ultrasonic controller 13, wherein the ultrasonic controller 13 is electrically connected with the ultrasonic generator 11, and the ultrasonic controller 13 is used for controlling the ultrasonic generator 11 to start and stop and controlling the ultrasonic generator 11 to emit ultrasonic waves with preset frequency.

At least two ultrasonic generators 11 are arranged along the cavity wall of the smoke collecting cavity 53 at intervals, the ultrasonic controllers 13 are arranged in one-to-one correspondence with the ultrasonic transducers 12, and the ultrasonic transducers 12 are arranged on the oil smoke filter screen 32 in a separated mode so as to ensure the uniformity of vibration of the oil smoke filter screen 32, thereby enhancing the grease separation effect and further enhancing the cleaning effect on the oil smoke filter screen 32. In this embodiment, the ultrasonic generators 11 are disposed on two opposite sides of the wall of the smoke collecting cavity 53, so as to reduce the number of ultrasonic generators 11 and reduce the cost while guaranteeing the uniformity of vibration. In other embodiments, the ultrasonic generator 11 may also be provided with three or more.

It can be appreciated that the number and arrangement of the ultrasonic transducers 12 can be specifically arranged according to the shape and the size of the oil smoke filter screen 32, so as to realize the uniform arrangement of the ultrasonic transducers 12 on the oil smoke filter screen 32 as much as possible and ensure the consistency of vibration of the oil smoke filter screen 32 everywhere. The ultrasonic generator 11, the ultrasonic controller 13 and the ultrasonic transducer 12 may be conventional products, and the structure of the present embodiment is not limited and described in detail.

In this embodiment, the heating unit 2 is installed on the wall of the smoke collecting cavity 53 and is located on one side of the smoke filter screen 32 away from the smoke adsorption unit 31, so that adhesion of smoke on the heating unit 2 is reduced, influence of the smoke on the heating unit 2 is reduced, and use reliability of the heating unit 2 is ensured. The heating temperature of the heating unit 2 is preferably 50-80 degrees, so that grease cannot be softened due to the fact that the heating temperature is too low, and meanwhile, the fact that the temperature of discharged oil smoke is high due to the fact that the heating temperature is too high is avoided.

In this embodiment, the heating unit 2 includes a plurality of ultraviolet heating pipe, and it is when realizing heating oil smoke filter screen 32, can also disinfect through the ultraviolet ray, reduces the inside bacterium of oil smoke filter screen 32 and collection smoke chamber 53, promotes the effect of oil smoke purification, reduces the pollution to the air, and reduces the inside bacterium of oil smoke clarification plant and to the influence of culinary art. In other embodiments, other electric heating tubes may be used for the heating unit 2. In other embodiments, the heating unit 2 may employ an electric heating wire, which is mounted on the oil smoke filter 32 to directly heat the oil smoke filter 32.

The ultraviolet heating pipes are preferably arranged at intervals along the circumferential direction of the smoke collecting cavity 53 so as to improve the heating uniformity of the oil smoke filter screen 32, thereby enhancing the cleaning effect of the oil smoke filter screen 32, and simultaneously improving the irradiation uniformity of ultraviolet rays in the smoke collecting cavity 53 and the oil smoke purifying effect. The ultraviolet heating pipe and the ultrasonic generator 11 are preferably arranged in a staggered manner in the circumferential direction of the smoke collecting cavity 53, so that the space layout rationality and the structural compactness of the ultraviolet heating pipe and the ultrasonic generator 11 are improved, and the height requirement of the oil smoke purifying equipment is reduced.

In other embodiments, the ultraviolet heating tube may be annular and disposed around the wall of the smoke collection chamber 53. In other embodiments, the ultraviolet heating tube may be in a straight shape and disposed across the smoke collection chamber 53.

In this embodiment, the oil smoke adsorbing unit 31 includes a porous adsorbing structure or a nanofiber structure to enhance the adsorption effect on the grease, for example, the oil smoke filtering unit may adopt a filter cotton structure, a nanofiber board or other structures capable of adsorbing and purifying the grease.

To further improve the oil smoke purifying effect, the purifying component 3 further comprises an air purifying unit 33, wherein the air purifying unit 33 is located between the oil smoke filter screen 32 and the air outlet 512, and the air purifying unit 33 is used for purifying the peculiar smell of the oil smoke flowing to the air outlet 512. The air purifying unit 33 can further purify the air passing through the oil smoke filter screen 32, reduce or remove the odor of the discharged oil smoke, thereby reducing the pollution of the discharged oil smoke to the environment. The ultrasonic vibration assembly 1 and the heating unit 2 are disposed between the air cleaning unit 33 and the hood filter 32.

The air purifying unit 33 includes a porous medium structure, a particulate matter adsorbing structure or a nanofiber structure to achieve adsorption of odor molecules in the oil smoke. For example, the air purifying unit 33 may be configured to have a function of filtering the odor in the oil smoke, such as an activated carbon layer or a coke layer.

The air outlet 512 is covered with a dustproof filter screen 7, and the dustproof filter screen 7 is used for preventing external impurities or small animals and the like from entering the oil smoke purifying equipment through the air outlet 512 to influence the performance of the oil smoke purifying equipment. In this embodiment, the dust-proof filter 7 has a cylindrical structure with one end open, and the open end of the dust-proof filter 7 faces the air outlet 512. In other embodiments, the dust screen 7 may be a flat plate structure. The dustproof filter screen 7 is detachably mounted on the casing 5 to improve the convenience of dismounting the dustproof filter screen 7.

The oil smoke purifying device further comprises a guide plate 4, the guide plate 4 is provided with a plurality of guide holes, the center line of each guide hole is perpendicular to the oil smoke adsorption unit 31, and the guide plate 4 is arranged on one side, far away from the oil smoke filter screen 32, of the oil smoke adsorption unit 31 at intervals. The flow guide net is used for guiding the oil smoke to flow to the oil smoke adsorption unit 31, plays roles in scattering and homogenizing the oil smoke, prevents vortex generated by small-scale circulation of the oil smoke, reduces the noise of the flowing oil smoke, reduces the probability of the oil smoke flowing back to the smoke inlet 511, and improves the pumping effect of the oil smoke.

In the embodiment, the oil smoke flows upwards in the pumping and exhausting process, and the diversion holes are vertically arranged. In other embodiments, the direction of the deflector holes may be specifically set according to the direction of the flow of the soot. The depth of the deflector hole is preferably 3mm to 7mm.

In this embodiment, the guide plate 4, the oil smoke adsorption unit 31, the oil smoke filter screen 32 and the air purification unit 33 are sequentially parallel and spaced, so as to reduce the occupied space of the purification assembly 3 in the smoke collecting cavity 53 and improve the compactness of the structure.

The smoke inlet 511 is provided with a smoke inlet filter assembly, and the smoke inlet filter assembly is used for filtering the oil smoke passing through the smoke inlet 511 so as to realize preliminary filtration and purification of the oil smoke. In this embodiment, the smoke inlet filter assembly includes a smoke inlet mesh, and the smoke inlet mesh is covered at the smoke inlet 511 to realize condensation of the oil smoke, reduce the content of discharged grease, and simultaneously avoid the problem that external foreign matters caused by the opening of the smoke inlet 511 enter the smoke collecting cavity 53 through the smoke inlet 511. The smoke inlet grid can adopt a filter screen structure or a grid structure.

Further, advance cigarette filter assembly still includes air inlet filter unit 6, and air inlet filter unit 6 sets up in the rear side that advances the cigarette net, and the oil smoke passes through air inlet filter unit 6 after advancing the cigarette net earlier promptly, and air inlet filter unit 6 is arranged in filtering the large granule material in the oil smoke to realize the preliminary filtration of oil smoke.

In other embodiments, the smoke filter assembly may comprise only the air inlet filter element 6, or only the smoke grid.

That is, in the present embodiment, when the blower 8 is operated, the oil smoke sequentially passes through the smoke inlet mesh, the air inlet filter unit 6, the baffle 4, the oil smoke adsorption unit 31, the oil smoke filter screen 32, and the air purification unit 33; the oil smoke is primarily condensed and filtered when passing through the smoke inlet grid, and large particulate matters in the oil smoke are at least partially adsorbed by the air inlet filter unit 6 when passing through the air inlet filter unit 6, namely, the oil smoke is primarily filtered and purified when passing through the smoke inlet 511; the oil smoke through preliminary purification is carried out grease absorption, grease condensation filtration and peculiar smell purification in proper order when passing through oil smoke adsorption unit 31, oil smoke filter screen 32 and air purification unit 33 in proper order, realizes the deep purification to the oil smoke, effectively promotes the purifying effect of oil smoke, reduces the pollution of the oil smoke of exhaust outlet 512.

In this embodiment, the fume purifying apparatus is a table top fume extractor, that is, the fume purifying apparatus is placed on a dining table for use, and the blower 8 is disposed in the fume collecting cavity 53 and below the fume adsorbing unit 31. In other embodiments, where the fume purification device is a table top fume extractor, the blower 8 may be disposed between the air purification unit 33 and the air outlet 512.

In other embodiments, the fume purification device is a side-draft fume extractor, and the blower 8 is disposed inside the fume collecting cavity 53 and below the fume absorbing unit 31. In other embodiments, the fume purification device is a side-draft fume extractor or a top-side double-draft fume extractor, and the housing 5 includes a fume collection hood and a blower mounted at the top of the fume collection hood, the purification assembly 3 is disposed in the fume collection hood, the blower 8 is disposed in the blower, and the air outlet 512 is disposed at the top of the blower. In other embodiments, the fume purification device is a top-draft fume extractor, the casing 5 comprises a fume collecting hood and a blower arranged at the top of the fume collecting hood, the inner cavity of the fume collecting hood forms a fume collecting cavity 53, the blower 8 is arranged in the blower, and the purification component 3 is arranged inside the blower and below the blower 8.

In this embodiment, the grease attached to the inner wall of the smoke collecting cavity 53 flows downwards to the bottom of the smoke collecting cavity 53, in order to collect and clean waste oil, in this embodiment, a drain outlet 521 is provided at the bottom of the smoke collecting cavity 53, a drain plug is provided at the drain outlet 521, and the drain plug can close or open the drain outlet 521, so that when the smoke collecting cavity 53 is cleaned of greasy dirt, the drain outlet 521 can be opened to discharge the waste oil inside the smoke collecting cavity 53; when the fume collecting cavity 53 does not need to be cleaned, the fume collecting cavity 53 is plugged through the pollution discharge plug, and waste oil is prevented from flowing to the outside of the fume exhaust device at will.

In other embodiments, the drain 521 may be directly connected to a drain pipe, and the tail end of the drain pipe is connected to the oil dirt collecting device. In other embodiments, the oil fume purifying apparatus is mounted above the cooking bench, the bottom of the casing 5 is detachably provided with an oil cup, the drain 521 is communicated with the oil cup, and the waste oil in the fume collecting cavity 53 flows to the oil cup through the drain 521, so that the waste oil is collected in the oil cup, and a user cleans the oil cup to clean the waste oil.

Further, the bottom of the smoke collecting cavity 53 is in a funnel structure, and the drain outlet 521 is arranged at the lowest part of the funnel structure, so as to collect waste oil to the drain outlet 521.

In this embodiment, the casing 5 includes a cylindrical casing 51 and a base 52 disposed at the bottom of the casing 51, the base 52 is detachably connected with the casing 51, a smoke collecting cavity 53 is formed around the casing 51 and the base 52, the base 52 is provided with the above drain 521, and the casing 51 is provided with a smoke inlet 511 and an air outlet 512. The arrangement ensures that the shell 51 and the base 52 can be processed in a split way, and is beneficial to realizing the installation of the fan 8 and the purification component 3 in the smoke collecting cavity 53.

A plurality of supporting legs 9 are arranged below the base 52, and the supporting legs 9 are used for supporting the shell 5 so as to improve the convenience of taking and placing the oil smoke purifying equipment on a tabletop.

Example two

The present embodiment provides a fume purifying apparatus, and the fume purifying apparatus provided in the present embodiment is based on a further improvement of the fume purifying apparatus in the first embodiment, and the present embodiment does not describe the same structure as the first embodiment.

In the present embodiment, a spraying unit is provided in the smoke collecting chamber 53, and the spraying unit is used to spray the washing water to the oil smoke filter screen 32. Therefore, the oil and fat separation on the oil smoke filter screen 32 can be further facilitated, and the cleaning effect of the oil smoke filter screen 32 is improved.

Preferably, a spraying unit is provided between the hood filter 32 and the ultrasonic generator 11 to reduce the influence of the washing water on the ultrasonic generator 11, the heating unit 2, and the ultrasonic controller 13.

The spraying unit comprises a spraying pipe and a plurality of spray heads, the spraying pipe is arranged on the cavity wall of the smoke collecting cavity 53, the spray heads are arranged on the spraying pipe, the inner cavity of the spray heads is communicated with the inner cavity of the spraying pipe, one end of the spraying pipe is used for introducing washing water, and the spray heads are arranged towards the oil smoke filter screen 32. The spray head is adopted to spray water to the oil smoke filter screen 32, so that the size of water mist particles for spraying the washing liquid can be reduced, the spraying water pressure and the spraying range are increased, and the spraying effect of the washing water is improved.

Preferably, the spray pipes are arranged along the cavity walls of the smoke collecting cavity 53, and a plurality of spray heads are arranged at intervals along the extending direction of the spray pipes so as to increase the spraying range of the washing water and further improve the cleaning effect of the oil smoke filter screen 32.

Further, a water storage box is arranged at the top of the casing 5, an inner cavity of the water storage box is connected with a water inlet end of the spray pipe through a water supply pipe, and the water storage box is used for storing washing water. The water supply pipe is provided with a water pump, the water pump can control the on-off of the water supply pipe so as to realize the start and stop of the spraying unit and increase the water pressure of spraying.

The oil smoke clarification plant includes the controller, and the controller is connected with the water pump communication to at the in-process of oil smoke filter screen 32 clearance, make the controller steerable water pump intermittent type nature operation, thereby when reducing the washing water quantity, guarantee the spraying effect to oil smoke filter screen 32, promote the cleaning effect of oil smoke filter screen 32.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. A fume purification apparatus, comprising:

The shell (5) is provided with a smoke collecting cavity (53), a smoke inlet (511) and an air outlet (512), wherein the smoke inlet (511) and the air outlet (512) are communicated with the smoke collecting cavity (53);

the purifying component (3) is arranged in the smoke collecting cavity (53), and the purifying component (3) comprises a smoke adsorption unit (31) and a smoke filter screen (32) which are sequentially arranged from the smoke inlet (511) to the air outlet (512);

The ultrasonic vibration assembly (1) comprises an ultrasonic generator (11) and an ultrasonic transducer (12) arranged on the oil smoke filter screen (32), and the ultrasonic vibration assembly (1) is used for driving the oil smoke filter screen (32) to vibrate;

the heating unit (2) is used for heating the oil smoke filter screen (32);

The fan (8) is arranged in the shell (5) and is used for guiding oil smoke to sequentially pass through the smoke inlet (511), the oil smoke adsorption unit (31), the oil smoke filter screen (32) and the air outlet (512).

2. The fume purification apparatus according to claim 1, wherein said ultrasonic vibration assembly (1) is arranged at a side of said fume filter screen (32) remote from said fume adsorption unit (31);

and/or the heating unit (2) is positioned at one side of the oil smoke filter screen (32) far away from the oil smoke adsorption unit (31).

3. The fume purification apparatus according to claim 1, wherein said ultrasonic generators (11) are disposed on a wall of said fume collecting chamber (53), and said ultrasonic generators (11) are disposed at least two intervals along a circumferential direction of said fume collecting chamber (53), and said ultrasonic transducers (12) are disposed at a plurality of intervals on said fume filtering screen (32).

4. A fume purification device according to claim 1, characterized in that said heating unit (2) comprises a number of uv heating pipes.

5. The oil fume purification device according to claim 1, wherein the purification assembly (3) further comprises an air purification unit (33), the air purification unit (33) being arranged between the air outlet (512) and the oil fume filter screen (32), the air purification unit (33) being used for deodorizing the oil fume flowing to the air outlet (512).

6. A fume purification device according to claim 5, characterized in that said air purification unit (33) comprises a porous medium structure.

7. The oil smoke purifying apparatus according to any one of claims 1 to 6, wherein the smoke inlet (511), the oil smoke adsorbing unit (31), the oil smoke filter screen (32) and the air outlet (512) are arranged in order from bottom to top.

8. The oil fume purification device according to any one of claims 1-6, further comprising a deflector (4), wherein the deflector (4) has a plurality of deflector holes, the center line of the deflector holes is perpendicular to the oil fume adsorption unit (31), and the deflector (4) is arranged at a side of the oil fume adsorption unit (31) away from the oil fume filter screen (32) at intervals.

9. A fume purification device according to any one of claims 1-6, characterized in that a fume inlet grid is provided at the fume inlet (511), an air inlet filter unit (6) being provided inside the fume inlet grid;

And/or the air outlet (512) is covered with a dustproof filter screen (7).

10. A fume purification device according to any one of claims 1-6, characterized in that a spraying unit is arranged in the fume collecting chamber (53), said spraying unit being adapted to spray washing water to the fume filter screen (32).