CN104197389A - Near-suction type range hood with oil smoke filtering function - Google Patents

Near-suction type range hood with oil smoke filtering function Download PDF

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Publication number
CN104197389A
CN104197389A CN201410405637.9A CN201410405637A CN104197389A CN 104197389 A CN104197389 A CN 104197389A CN 201410405637 A CN201410405637 A CN 201410405637A CN 104197389 A CN104197389 A CN 104197389A
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CN
China
Prior art keywords
air
oil
blade
fan blade
suction type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410405637.9A
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Chinese (zh)
Inventor
孙圣
陈通进
邱文权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Oulin Kitchen Utensils Co Ltd
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Ningbo Oulin Kitchen Utensils Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Oulin Kitchen Utensils Co Ltd filed Critical Ningbo Oulin Kitchen Utensils Co Ltd
Priority to CN201410405637.9A priority Critical patent/CN104197389A/en
Publication of CN104197389A publication Critical patent/CN104197389A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a near-suction type range hood with an oil smoke filtering function. The near-suction type range hood comprises a range hood shell, wherein an oblique bottom plate and a smoke guiding plate are arranged at the bottom of the shell, an oil cup is mounted below the smoke guiding plate and the bottom plate, a centrifugal fan is mounted in the shell and comprises a fan shell body, which is provided with an air inlet and an air outlet, a motor and a wind wheel, an air guiding ring is arranged at the front side of the air inlet of the centrifugal fan, a supporting frame is arranged on the air guiding ring, a dynamic fan blade is mounted on the supporting frame and is opposite to the air inlet direction of the centrifugal fan, and airflow can push the dynamic fan blade to rotate. According to the near-suction type range hood with the oil smoke filtering function, oil drops can be in friction with the rotating dynamic fan blade, be agglomerated, and then be thrown to an oil blocking cover under the action of a centrifugal force, and thus, oil smoke is separated from the airflow. The near-suction type range hood has the advantages that the structure is simple, the cleaning is convenient, the operation is reliable, the working life is long, the pollution to air and building exterior walls caused by the oil smoke can be basically avoided, and contribution to environmental protection is made.

Description

The near-suction type oil smoke suction machine with lampblack filtering function
Technical field
The present invention relates to a kind of device for filtering, purifying air, specifically a kind of near-suction type oil smoke suction machine with lampblack filtering function.
Background technology
Existing range hood by oil smoke discharge mode is: a kind of is to be first discharged to common flue by smoke exhaust pipe, by common flue, be discharged to again outdoor, owing to there is no good filtering oil smoke technology, service time one, length can accumulate a large amount of greasy dirts at smoke exhaust pipe and common flue place, finally cause the breeding of a large amount of bacteriums and give out various peculiar smell, and the oil smoke of discharging is finally discharged to and outdoorly to air, pollutes.It is outdoor that another kind is that oil smoke is directly discharged to, and owing to not passing through common flue, the oil smoke of discharge particularly upper and lower floor can mutual taint of odour, causes especially serious pollution.Some lampblack absorber also has the effect of filtering oil smoke at present, but actual is in guard, to have added one deck screen pack or adopted the two-layer net that staggers, its final effect of the filter type of this static state has just been passed through the thick filtration of one deck by oil smoke, do not have complete oil smoke separated, the oil smoke of discharge still has very large pollution.Patent Office of the People's Republic of China is disclosed on January 19th, 2011, the patent No. be " ZL2009100611042's " " near-suction type smoke purifier ", its feature is: in two isolated chamber of spiral case, be separately installed with output shaft turbofan in vertical state, the output shaft lower end of described turbofan is stretched out and outside duplex spiral case, on it, is connected with the rotary and centrifugal type filter screen disk that at least one is the level of state; Although oil smoke can be tackled and collect to this structure, its filter screen disk is mounted on the output shaft of turbofan, rocks large easily shake and noise large during rotation.
Summary of the invention
The object of the invention is to defect and deficiency for above-mentioned prior art, for people provide a kind of filter efficiency high, produce the little near-suction type oil smoke suction machine with lampblack filtering function of noise.
The technical solution used in the present invention is for achieving the above object: this has the near-suction type oil smoke suction machine of lampblack filtering function, it comprises the housing of range hood, in the bottom of housing, be provided with the base plate of inclination, the center of base plate offers into mouth, enter mouth place and be provided with screen pack, in the bottom of entering mouth, be provided with smoke deflector, between smoke deflector and base plate, stayed and entered the cigarette channel of crossing that mouth communicates, smoke deflector and base plate below are provided with lubricating cup, centrifugal fan is installed in housing, this centrifugal fan comprises the Blower Housing with air inlet and air outlet, motor and wind wheel, the air inlet front side of described centrifugal fan is provided with air-ducting ring, in air-ducting ring, be provided with bracing frame, a dynamic fan blade is installed on this bracing frame, described dynamic fan blade is relative with the air intake direction of centrifugal fan, air flow energy promotes dynamic fan blade rotation, the outside of described dynamic fan blade is provided with oil blocking cover, in the bottom of oil blocking cover, offers oil dripping mouth, below centrifugal fan and oil blocking cover, is provided with oil guide plate, and the lower end of this oil guide plate is positioned at the top of lubricating cup.
Described dynamic fan blade comprises blade shaft and at least one group of blade of fixing with blade shaft, is provided with the locking nut being connected with blade shaft in the front side of blade.
Described dynamic fan blade is positioned at the front side of air-ducting ring.
Described oil blocking cover is horizontal cylindrical shape.
Described dynamic fan blade external diameter is greater than air-ducting ring.
The present invention sucks the oil smoke in kitchen by centrifugal fan, during the dynamic fan blade of oil smoke process, can drive dynamic fan blade rotation, oil droplet can condense on the blade of the dynamic fan blade rotating in friction, then under the effect of centrifugal force, get rid of to oil blocking cover, oil smoke is separated from air-flow, and final oil droplet flows into lubricating cup by the inwall of oil blocking cover.Because dynamic fan blade is to be driven by air-flow; the windage that air-flow is caused is very little, therefore can not produce too large noise, has simple in structure, easy to clean, reliable, long working life; can substantially stop the pollution of oil smoke to air and external wall, for environmental protection is made contributions.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the A of Fig. 1 is to view.
The specific embodiment
As shown in Figure 1 and Figure 2, the present invention is a kind of tower range hood with lampblack filtering function, and it comprises the housing 10 of range hood, in the bottom of housing 10, be provided with the base plate 11 of inclination, base plate 11 center offers into mouth, enters mouth place and is provided with screen pack 15, for the preliminary oil smoke that filters.In the bottom of entering mouth, be provided with smoke deflector 12, between smoke deflector 12 and base plate 11, stayed and entered the cigarette channel of crossing that mouth communicates.Described smoke deflector 12 and base plate 11 belows are provided with lubricating cup 13, oil droplet in smoke deflector 12, base plate 11 and housing 10 can directly drop onto in lubricating cup 13, in housing 11, centrifugal fan is installed, this centrifugal fan comprises Blower Housing 1 with air inlet and air outlet, be installed on the motor 7 in Blower Housing 1 and be arranged on the wind wheel 5 on the output shaft 6 of motor 7.During centrifugal fan work, can be with moving air flow to enter housing 10 from crossing cigarette channel, by discharging from air outlet after centrifugal fan.
Described air inlet front side is provided with air-ducting ring 2, air flow energy is taken advantage of a situation and enter air inlet, prevents from producing noise with Blower Housing 1 collision.In air-ducting ring 2, be provided with bracing frame 3, a dynamic fan blade 4 is installed on this bracing frame 3, described dynamic fan blade 4 comprises blade shaft 4.3 and at least one group of blade 4.1 of fixing with blade shaft 4.3, is provided with the locking nut 4.2 being connected with blade shaft 4.3 in the front side of blade 4.1.Described dynamic fan blade 4 is relative with the air intake direction of centrifugal fan, and air flow energy promotes dynamic fan blade 4 rotations.Air-flow is when the dynamic fan blade 4 of over-rotation, and oil droplet can friction cohesion on the blade 4.1 of the dynamic fan blade 4 of rotation, then under the effect of centrifugal force, gets rid of to surrounding, and oil smoke is separated from air-flow.Described dynamic fan blade 4 external diameters are greater than air-ducting ring 2, make dynamic fan blade 4 can cover air intake passage as far as possible, improve clean-up effect.When if the oil smoke content in air-flow is more, dynamically fan blade 4 can arrange two groups or more blade 4.1, and blade 4.1 is axially installed side by side blade shaft 4.3.Described dynamic fan blade 4 is positioned at the front side of air-ducting ring 2, prevents that oil droplet is thrown in air-ducting ring 2.
The outside of described dynamic fan blade 4 is provided with oil blocking cover 8, and the centrifugal oil droplet throwing away is thrown to the inwall of oil blocking cover 8.Described oil blocking cover 8 is horizontal cylindrical shape, and oil droplet, easily along the downward landing of inwall of oil blocking cover 8, is avoided drippage.In the bottom of oil blocking cover 8, offer oil dripping mouth 9, below centrifugal fan and oil blocking cover 8, be provided with oil guide plate 14, the lower end of this oil guide plate 14 is positioned at the top of lubricating cup 13, from the oil droplet of oil dripping mouth 9 drippages, through oil guide plate 14, arrives lubricating cup 13.
The present invention sucks the oil smoke in kitchen by centrifugal fan, during the dynamic fan blade 4 of oil smoke process, can drive dynamic fan blade 4 rotations, oil droplet can condense on the blade 4.1 of the dynamic fan blade 4 rotating in friction, then under the effect of centrifugal force, get rid of to oil blocking cover 8, finally the inwall by oil blocking cover 8 flows into lubricating cup 9.Because dynamic fan blade 4 is to be driven by air-flow; the windage that air-flow is caused is very little, therefore can not produce too large noise, has simple in structure, easy to clean, reliable, long working life; can substantially stop the pollution of oil smoke to air and external wall, for environmental protection is made contributions.

Claims (5)

1. a near-suction type oil smoke suction machine with lampblack filtering function, it comprises the housing (10) of range hood, in the bottom of housing (10), be provided with the base plate (11) of inclination, the center of base plate (11) offers into mouth, enter mouth place and be provided with screen pack (15), in the bottom of entering mouth, be provided with smoke deflector (12), between smoke deflector (12) and base plate (11), stayed and entered the cigarette channel of crossing that mouth communicates, smoke deflector (12) and base plate (11) below are provided with lubricating cup (13), in housing (11), centrifugal fan is installed, this centrifugal fan comprises with the Blower Housing of air inlet and air outlet (1), motor (7) and wind wheel (5), the air inlet front side that it is characterized in that described centrifugal fan is provided with air-ducting ring (2), in air-ducting ring (2), be provided with bracing frame (3), a dynamic fan blade (4) is installed on this bracing frame (3), described dynamic fan blade (4) is relative with the air intake direction of centrifugal fan, air flow energy promotes dynamic fan blade (4) rotation, the outside of described dynamic fan blade (4) is provided with oil blocking cover (8), in the bottom of oil blocking cover (8), offer oil dripping mouth (9), below at centrifugal fan and oil blocking cover (8) is provided with oil guide plate (14), and the lower end of this oil guide plate (14) is positioned at the top of lubricating cup (13).
2. the near-suction type oil smoke suction machine with lampblack filtering function according to claim 1, it is characterized in that described dynamic fan blade (4) comprises blade shaft (4.3) and at least one group of blade (4.1) of fixing with blade shaft (4.3), is provided with the locking nut (4.2) being connected with blade shaft (4.3) in the front side of blade (4.1).
3. the near-suction type oil smoke suction machine with lampblack filtering function according to claim 1 and 2, is characterized in that described dynamic fan blade (4) is positioned at the front side of air-ducting ring (2).
4. the near-suction type oil smoke suction machine with lampblack filtering function according to claim 1 and 2, is characterized in that described oil blocking cover (8) is horizontal cylindrical shape.
5. the near-suction type oil smoke suction machine with lampblack filtering function according to claim 1 and 2, is characterized in that described dynamic fan blade (4) external diameter is greater than air-ducting ring (2).
CN201410405637.9A 2014-08-18 2014-08-18 Near-suction type range hood with oil smoke filtering function Pending CN104197389A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106524259A (en) * 2016-12-09 2017-03-22 成都前锋电子有限责任公司 L-shaped range hood with top plate interior oil guiding optimized
CN107525113A (en) * 2017-09-04 2017-12-29 合肥家佳乐食品工业有限公司 A kind of crispy rice machine smoking apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006001065A1 (en) * 2004-06-29 2006-01-05 Yamazen Co., Ltd. Range hood forming air curtain by indoor air
CN102734854A (en) * 2012-06-06 2012-10-17 宁波欧琳厨具有限公司 Comprehensive oil-smoke removal side-draft range hood
CN202973268U (en) * 2012-11-11 2013-06-05 尾扎郎加泽郎 Exhaust fan integrated range hood
CN203657031U (en) * 2013-11-01 2014-06-18 关建新 Cooker hood with self-rotation type cooker hood separation mesh
CN204043012U (en) * 2014-08-18 2014-12-24 宁波欧琳厨具有限公司 There is the near-suction type oil smoke suction machine of lampblack filtering function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006001065A1 (en) * 2004-06-29 2006-01-05 Yamazen Co., Ltd. Range hood forming air curtain by indoor air
CN102734854A (en) * 2012-06-06 2012-10-17 宁波欧琳厨具有限公司 Comprehensive oil-smoke removal side-draft range hood
CN202973268U (en) * 2012-11-11 2013-06-05 尾扎郎加泽郎 Exhaust fan integrated range hood
CN203657031U (en) * 2013-11-01 2014-06-18 关建新 Cooker hood with self-rotation type cooker hood separation mesh
CN204043012U (en) * 2014-08-18 2014-12-24 宁波欧琳厨具有限公司 There is the near-suction type oil smoke suction machine of lampblack filtering function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106524259A (en) * 2016-12-09 2017-03-22 成都前锋电子有限责任公司 L-shaped range hood with top plate interior oil guiding optimized
CN107525113A (en) * 2017-09-04 2017-12-29 合肥家佳乐食品工业有限公司 A kind of crispy rice machine smoking apparatus

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Application publication date: 20141210