CN112283774A

CN112283774A - Portable oil fume extraction device, system and operation method

Info

Publication number: CN112283774A
Application number: CN202011167798.0A
Authority: CN
Inventors: 李军廷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-29

Abstract

The invention discloses a portable oil fume extraction device, a system and an operation method. The portable oil smoke extraction device comprises a connecting device, and one end of the connecting device is used for being connected with the pot body; the oil fume extraction structure comprises an oil fume extraction cover connected with the other end of the connecting device, and the oil fume extraction cover comprises a ventilation opening used for passing oil fume and an oil fume channel connected with the ventilation opening; and a filtering mechanism and an exhaust mechanism are also arranged in the oil fume channel. The invention can remove the oil smoke generated in the pan body without an additional pipeline or an exhaust device, saves space and cost, and can finish the operation of oil smoke absorption and exhaust aiming at the independent pan body, thereby expanding the application range of the oil smoke extraction device and ensuring that a common family can eat food with larger oil smoke at home. In addition, the oil smoke pumping device can be used together with the pot body or be stored independently, so that the oil smoke pumping device has portability.

Description

Portable oil fume extraction device, system and operation method

Technical Field

The invention relates to the field of catering, in particular to a portable oil fume extraction device, a portable oil fume extraction system and a portable oil fume extraction operation method.

Background

When eating food with large oil smoke smell such as chafing dish, the oil smoke generated by the food is diffused all around, so that the walls and clothes in the house are stained with oil smoke and smell. The existing automatic oil smoke extraction device comprises an oil smoke absorption hood provided with a ventilation opening, a ventilation pipeline, an exhaust fan and a filtering device, wherein the ventilation pipeline is positioned above the oil smoke absorption hood and connected with the ventilation opening, the exhaust fan is positioned inside the ventilation pipeline, and in the using process, a pot body is placed on one side of the oil smoke absorption hood, which is far away from the ventilation pipeline. The automatic oil fume pumping device needs to use a pipeline to exhaust the oil fume which is sucked out, and space is wasted. The oil fume extraction device is suitable for places such as restaurants and the like or places with more pan bodies needing to be absorbed, and has no operable cost and space in ordinary families. In addition, because the existing oil smoke pumping device is separated from the pot body, once the pot body moves, the oil smoke can not be absorbed, and the problem of poor portability exists.

Disclosure of Invention

In order to overcome the defects in the prior art, embodiments of the present invention provide a portable range hood, a system and an operating method thereof, which are used for solving the problems of space waste and poor portability of the range hood.

The embodiment of the application discloses: a portable fume exhaust fan comprises a connecting device, wherein one end of the connecting device is used for being connected with a pan body; the oil fume extraction structure comprises an oil fume extraction cover connected with the other end of the connecting device, and the oil fume extraction cover comprises a ventilation opening used for passing oil fume and an oil fume channel connected with the ventilation opening; and a filtering mechanism and an exhaust mechanism are also arranged in the oil fume channel.

Furthermore, one end of the connecting device is detachably connected with the pot body; the other end of the connecting device is detachably connected with the range hood.

Further, the ventilation opening of the fume exhaust cover is positioned above or on the side of the pot body, and the ventilation opening of the fume exhaust cover faces the pot body.

Furthermore, the range hood cover comprises an upper cover and a lower cover positioned below the upper cover, and the oil smoke channel is formed by enclosing the upper cover and the lower cover; the ventilation opening is arranged at the lower part of the lower cover.

Further, the mechanism of airing exhaust includes a set of unit of airing exhaust at least, every unit of airing exhaust include the exhaust fan and with exhaust fan electric connection's battery, the unit setting of airing exhaust is in the top of range hood.

Further, the filtering mechanism is located at the upstream of the exhaust mechanism along the gas movement direction, and the filtering mechanism comprises a filter element which is detachably arranged on the oil fume suction cover.

The embodiment of the application also provides a portable oil smoke extraction system, which comprises the portable oil smoke extraction device and the pot body.

Further, the pot body comprises a pot bottom and a pot cover covered on the pot bottom, the connecting device is connected with the pot bottom, the pot cover is provided with a groove for the connecting device to penetrate through, and the groove is provided with an opening part which enables the connecting device to move out along the edge of the pot cover.

Further, the pot body comprises a pot bottom and a pot cover covered on the pot bottom, the connecting device is connected with the side part of the pot bottom, and the connecting device is not in contact with the pot cover.

The embodiment of the application also provides an operation method of the portable oil fume extraction device, which comprises the following steps: the oil fume pumping structure connected to the pan body filters oil fume and then discharges the filtered oil fume.

The invention has the following beneficial effects:

this embodiment portable fume extractor can be under the condition that does not need extra pipeline or exhaust apparatus, alright get rid of with the oil smoke that produces in the realization to the pot body, saved space and cost for oil absorption cigarette and carminative operation can also be accomplished to the solitary pot body, thereby enlarged fume extractor's application range, make general family at home alright with the great food of oil smoke. In addition, because the connecting device is added, the oil smoke pumping device can be used together with the pot body or be stored independently, so that the oil smoke pumping device has portability.

In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of a portable range hood in an embodiment of the present invention;

fig. 2 is a schematic perspective view of a portable range hood centrally supported by a single exhaust unit in an embodiment of the present invention;

fig. 3 is a left side view of a single exhaust unit centrally supported portable range hood in an embodiment of the present invention;

fig. 4 is a schematic perspective view of a portable range hood supported laterally by a single air exhaust unit in an embodiment of the present invention;

fig. 5 is a front view of a portable range hood laterally supported by a single exhaust unit in an embodiment of the present invention;

fig. 6 is a schematic perspective view of a portable range hood centrally supported by a dual exhaust unit in an embodiment of the present invention;

fig. 7 is a left side view of a dual exhaust unit center supported portable range hood in an embodiment of the present invention;

reference numerals of the above figures: 1. a pan body; 11. a pan bottom; 12. a pot cover; 2. a smoke exhaust structure; 21. a smoke exhaust cover; 211. an upper cover; 212. a lower cover; 22. a vent; 23. a fume channel; 24. a filtering mechanism; 241. a filter element; 25. an air exhaust mechanism; 251. an exhaust fan; 26. a battery; 27. a wind power regulating valve; 3. a connecting device; 4. a switch; 5. a groove; 6. an open part.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the automatic range hood of the present embodiment includes:

the cooking fume exhausting structure 2 comprises a cooking fume exhausting cover 21, and the cooking fume exhausting cover 21 can be round, rectangular or other shapes capable of covering cooking fume. As shown in fig. 1 to 7, the hood 21 may be located above the pot body 1 so that the fumes in the pot body 1 may directly enter the hood 21 upward in a vertical direction. In another embodiment, the hood 21 may be located at the open side of the pot 1 and sucks the cooking fumes into the hood 21 by the flow guiding action of the ventilation structure. Preferably, the fume exhaust cover 21 is located on the peripheral side of the opening of the pot body 1, so that the contact area between the fume and the fume exhaust cover 21 can be increased. The hood 21 may include a ventilation opening 22 for passing the cooking fumes, and the ventilation opening 22 may have a circular, rectangular, or oval shape that does not obstruct the passage of the cooking fumes. A smoke channel 23 is connected to the ventilation opening 22, and one end of the smoke channel 23 away from the ventilation opening 22 extends to the outside of the smoke exhaust structure 2, so that the smoke can pass through the smoke channel 23 and flow through the filtering mechanism 24 to be filtered under the drainage action of the exhaust mechanism 25.

One end of the connecting device 3 is connected with the pot body 1, and the other end of the connecting device 3 is connected with the fume exhaust cover 21. The connection means can be a threaded connection in order to remove and replace the connection means 3 from the pan body 1 and the fume extraction hood 21. Of course, in other alternative embodiments, the connection may be made by welding or other means that can be fixed. The connecting device 3 may be a telescopic structure with adjustable length. The connecting device 3 of the telescopic structure can enable the portable oil smoke extraction device to carry out targeted oil smoke filtration on oil smoke with different smoke volumes by changing the height of the oil smoke extraction structure 2, thereby improving the adjusting effect of the portable oil smoke extraction device on the oil smoke with different smoke volumes.

As shown in fig. 1 to 5, in an alternative embodiment, the connecting device 3 is a central supporting structure, and the central supporting structure connects the inside of the pot body 1 and the cooking fume removing structure 2 through a central supporting rod. Preferably, the central support rod is connected with the pot body 1 and the oil smoke extraction structure 2 through threads, so that the central support rod can be detached when not needed or damaged. One end of the central support rod connected with the pot body 1 can be of a structure which is gradually widened downwards, so that the pot has more stability. The cross section of the central support rod can be set to be in a circular, rectangular or triangular shape and the like as required, which can provide a support effect.

In another alternative embodiment, as shown in fig. 6 to 7, the connecting device 3 is a lateral support structure, which connects the lateral side of the pot 1 and the cooking fume extracting structure 2 by a lateral support arm. The side supporting arm and the pan body 1 can be welded and fixed, directly inserted into a hole formed in an extending part extending from the side of the pan body 1 for fixation or connected with the pan body 1 in other fixing modes. The side supporting arms can be fixed with surrounding strips arranged on the oil smoke extraction structure 2 or connected with the oil smoke extraction structure 2 in other fixed connection modes. Preferably, one end of the side supporting arm connected with the pot body 1 is vertical, the other end connected with the oil smoke extraction structure 2 is horizontal, and the vertical section is connected with the horizontal section through a smooth curved surface. The cross section of the side supporting arm can be set to be in a shape of circle, rectangle or triangle and the like which can provide supporting effect according to the requirement.

And a filter mechanism 24 which can be arranged in the lampblack channel 23. The filtering mechanism 24 includes a filter element 241 capable of filtering oil smoke generated by the pot body 1, and the filter element 241 can be a filter paper filter element 241, a polytetrafluoroethylene filter element 241, a non-woven fabric or melt-blown fabric plus activated carbon filter element 241, a ceramic and/or activated carbon filter element 241, a stainless steel powder sintered filter element 241 or a polypropylene filter element 241, and the like capable of absorbing oil smoke. The filter element 241 is located in the oil smoke channel 23, in this embodiment, the filter element 241 is located on the side of the ventilation opening 22 of the fume absorbing cover 21 away from the pan body 1, and is used for absorbing the oil smoke flowing in through the ventilation opening 22. Of course, the filter element 241 may be positioned below the range hood 21, so that the oil smoke is filtered by the filter element 241 before entering the ventilation opening 22 on the range hood 21.

And the air exhausting mechanism 25 can be arranged in the oil smoke channel 23. The air exhausting mechanism 25 is located at a side of the air vent 22 far from the pan body 1, and is used for sucking the oil smoke from the pan body 1 into the oil smoke exhausting structure 2 through the air vent 22.

In the present embodiment, a switch 4 electrically connected to the exhaust fan 251 is installed on the smoke exhaust structure 2 for controlling the operation or the shutdown of the exhaust fan 251. When food with large oil smoke such as chafing dish is made in the pot body 1, the switch 4 on the oil smoke exhaust structure 2 is turned on to make the exhaust fan 251 in the oil smoke exhaust structure 2 work normally. The fume exhaust structure 2 makes the fume generated in the pan body 1 escape from above the pan body 1 and pass through the ventilation opening 22 under the gathering action of the fume exhaust cover 21 under the drainage action of the exhaust fan 251. Then, the filtering mechanism 24 filters the oil smoke, and then the exhaust fan 251 exhausts the filtered oil smoke out of the oil smoke exhausting structure 2 through the exhaust fan 251.

Borrow by above-mentioned structure, can be under the condition that does not need extra pipeline or exhaust apparatus, alright get rid of with the oil smoke that produces in the realization to the pot body 1, saved space and cost for can also accomplish oil absorption cigarette and carminative operation to solitary pot body 1, thereby enlarged fume extractor's application range, make general family alright eat the great food of oil smoke at home. In addition, because the connecting device 3 is added, the oil smoke extraction device can be used together with the pot body 1 or be stored independently, thereby the oil smoke extraction device has more portability.

Specifically, one end of the connecting device 3 is detachably connected with the pot body 1, and the other end of the connecting device 3 is detachably connected with the fume exhaust hood 21. The connection mode can be a threaded connection, a snap connection or other detachable fixed connection modes.

Specifically, the ventilation opening 22 of the fume suction hood 21 is located above or at a side portion of the pot body 1, so that the fume generated in the pot body 1 can enter the fume passage 23 through the ventilation opening 22 in the process of flowing upward. The ventilation opening 22 of the fume exhaust cover 21 faces the pan body 1, and as the fume just flows out of the pan body 1, the ventilation opening 22 faces the fume, so that more fume enters the fume channel 23 through the ventilation opening 22.

Specifically, as shown in fig. 1, the range hood 21 includes an upper hood 211 and a lower hood 212 located below the upper hood 211, wherein the upper hood 211 may be a sealing structure for preventing the oil smoke entering into the range of the range hood 21 from being scattered. The ventilation opening 22 can be arranged at the lower part of the lower cover 212 and is used for guiding the oil smoke emitted from the pan body 1, so that the oil smoke moves towards the direction of the lower cover 212. Preferably, the upper cover 211 and the lower cover 212 are both arc structures which are concave towards the direction far away from the pan body 1, so that the oil smoke can be gathered towards the center of the lower cover 212 within the coverage range of the lower cover 212, and the oil smoke suction efficiency is improved. The oil smoke passage 23 is surrounded by the upper cover 211 and the lower cover 212 to form a passage between the upper cover 211 and the lower cover 212, and optionally, the lower part of the lower cover 212, the connection area of the lower cover 212 and the edge of the upper cover 211 are all provided with ventilation openings 22 for allowing oil smoke to pass through. And because the opening range covers all areas inside the range hood 21, the oil smoke inside and at the edge of the range hood 21 can be absorbed, and the oil smoke absorption efficiency of the range hood 21 is increased.

Specifically, a battery 26 may be further included, and the battery 26 is electrically connected to the air exhausting mechanism 25 for normally operating the air exhausting mechanism 25. Preferably, the battery 26 is a rechargeable lithium battery. Because the rechargeable lithium battery has the characteristics of large capacity, light weight and quick charging, the charging efficiency of the portable oil fume exhaust structure 2 can be improved, and the overall weight of the battery can be reduced. In addition, the rechargeable property of the rechargeable lithium battery also enables the rechargeable lithium battery to be recycled, and is more environment-friendly than a common disposable battery.

Specifically, the exhaust mechanism 25 includes at least one set of exhaust units, each of which includes an exhaust fan 251 and a battery 26 electrically connected to the exhaust fan 251, and the exhaust unit is disposed above the range hood 21. The exhaust fan 251 may be electrically connected to the air-adjusting valve 27. Through changing the position of the wind force adjusting valve 27, the wind force of the exhaust fan 251 connected with the wind force adjusting valve 27 can be controlled, so that the oil smoke pumping structure 2 can adjust the wind force of oil smoke pumping according to different oil smoke sizes, and the portable oil smoke pumping device can adjust the oil smoke with different smoke volumes.

As shown in fig. 2 to 3, in an alternative embodiment, a single-fan range hood is provided, and the number of exhaust units is one group. Preferably, the exhaust fan 251 may be disposed obliquely upward, so that the filtered soot may be discharged out of the soot extraction structure 2 obliquely upward. In order to keep the entire portable range hood balanced, the battery 26 may be disposed in central symmetry with the exhaust fan 251 so that the exhaust fan 251 and the battery 26 may be kept in central balance.

As shown in fig. 4 to 5, in another alternative embodiment, a dual fan range hood is provided, in which the number of exhaust units is two. Preferably, the two exhaust fans 251 may be symmetrically disposed obliquely upward, so that the filtered soot may be discharged out of the soot exhaust structure 2 obliquely upward. In order to keep the whole portable range hood balanced, two exhaust fans 251 may be symmetrically disposed at both sides of the range hood 21, and the battery 26 may be disposed at the center of the two exhaust fans 251 so that the exhaust unit composed of the two exhaust fans 251 and the battery 26 may be centrally kept balanced.

Specifically, as shown in fig. 1, the filter mechanism 24 is located upstream of the exhaust mechanism 25 in the air moving direction, so that the filter mechanism 24 contacts the soot before the exhaust mechanism 25, and the oil in the soot is prevented from being attached to the exhaust mechanism 25. The filter mechanism 24 includes a filter element 241 detachably disposed on the fume exhaust cover 21, the cross section of the filter element 241 may be circular, and the shape of the filter element 241 may be adjusted according to the shape of the filter mechanism 24. As shown in fig. 2 to 3, the filter element 241 may be fixedly connected to the interior of the oil smoke exhaust structure 2 by using a snap structure, and of course, the filter element 241 may also be fixed by using a detachable structure such as a screw.

As shown in fig. 1 to 7, the present invention further provides an embodiment of a portable oil smoke extraction system, including the portable oil smoke extraction device and the pan body 1. The pot body 1 is used for placing bottom materials or food materials, and the pot body 1 can be made of high-temperature-resistant materials so as to be convenient for making hot pot, barbecue and other foods with higher temperature. The opening of the pot body 1 can be set to be round, rectangular or other shapes capable of containing food materials according to actual needs. Preferably, handrails are symmetrically arranged on the side surface of the pot body 1 and used for moving the pot body 1 under the condition of not contacting the pot body 1.

As shown in fig. 4 to 5, in an alternative embodiment, the pot body 1 includes a pot bottom 11 and a pot cover 12 covering the pot bottom 11. When the connecting means 3 is internally connected with the bottom 11 in the pot 1, the lid 12 has a slot 5 for the connecting means 3 to pass through, preferably the width of the slot 5 is slightly larger than the width of the connecting means 3, so that the connecting means 3 can just pass through the slot 5. The groove 5 can have an open portion 6 enabling the connecting means 3 to be moved out along the edge of the lid 12, so that when the lid 12 is used to cover the bottom 11 of the pan, the connecting means 3 can enter the groove 5 through the open portion 6 and enable the lid 12 to be used without moving the connecting means 3.

In another alternative embodiment, the pot body 1 comprises a pot bottom 11 and a pot cover 12 covering the pot bottom 11. When the connecting means 3 is connected with the side of the pot bottom 11, the pot cover 12 can be directly covered on the pot bottom 11, and at this time, the connecting means 3 is not contacted with the pot cover 12 so that the pot cover 12 can be used.

The present invention also provides an embodiment of an operation method of a portable cooking fume extractor, as shown in fig. 1 to 7, the embodiment includes the following steps: the oil smoke pumping structure 2 connected with the pot body 1 can filter oil smoke and then discharge the oil smoke.

In an alternative embodiment, as shown in fig. 1, there is a cavity between the filter element 241 and the housing that covers the outside thereof. The outlet portion of the filter element 241 is located on the peripheral side portion of the filter element 241. The filter element 241 filters the oil smoke entering from the ventilation opening 22, and then the oil smoke flows out from the horizontal direction of the filter element 241 into the cavity, so that the filtered oil smoke flows out of the oil smoke extraction structure 2 from the cavity through the exhaust mechanism 25.

In another alternative embodiment, as shown in fig. 6, the filter element 241 is the same size as the interior of the housing that covers the exterior thereof, such that the filter element 241 fits into the housing. The filter element 241 filters the oil smoke entering from the ventilation opening 22, and then the oil smoke flows out from the upper side of the filter element 241, and the filtered oil smoke flows out of the oil smoke extraction structure 2 through the exhaust mechanism 25.

The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A portable cooking fume extractor, comprising:

one end of the connecting device is used for being connected with the pot body;

the oil fume extraction structure comprises an oil fume extraction cover connected with the other end of the connecting device, and the oil fume extraction cover comprises a ventilation opening used for passing oil fume and an oil fume channel connected with the ventilation opening;

and a filtering mechanism and an exhaust mechanism are also arranged in the oil fume channel.

2. The portable range hood of claim 1, wherein one end of the coupling device is adapted to be removably coupled to the pan body; the other end of the connecting device is detachably connected with the range hood.

3. The portable range hood of claim 1, wherein the ventilation opening of the range hood is located above or on a side of the pan body, and the ventilation opening of the range hood is directed toward the pan body.

4. The portable range hood of claim 1, wherein the range hood includes an upper hood and a lower hood located below the upper hood, the range hood enclosed by the upper hood and the lower hood; the ventilation opening is arranged at the lower part of the lower cover.

5. The portable range hood of claim 1, wherein the venting mechanism comprises at least one set of venting units, each venting unit comprising a vent fan and a battery electrically connected to the vent fan, the venting unit disposed above the range hood cover.

6. The portable range hood of claim 1, wherein the filter mechanism is located upstream of the venting mechanism in a direction of gas movement, the filter mechanism including a filter cartridge removably disposed on the range hood.

7. A portable cooking fume extraction system comprising a portable cooking fume extraction device according to any one of claims 1 to 7 and a pan body.

8. The portable range hood system of claim 8, wherein the pan body comprises a pan bottom and a pan cover covering the pan bottom, the connecting device is connected to the pan bottom, the pan cover has a slot through which the connecting device is inserted, and the slot has an open portion enabling the connecting device to move out along an edge of the pan cover.

9. The portable range hood system of claim 8, wherein the pan body comprises a pan bottom and a pan cover covering the pan bottom, the connecting means is connected to a side portion of the pan bottom, and the connecting means is not in contact with the pan cover.

10. An operation method of a portable oil smoke extraction device is characterized by comprising the following steps:

the oil fume pumping structure connected to the pan body filters oil fume and then discharges the filtered oil fume.