A kind of lampblack absorber with auxiliary air inlet function
The present invention relates to a kind of kitchen appliance, specifically a kind of lampblack absorber that can improve lampblack absorber suction air volume.
The structure that the extractor fan of traditional smoke exhaust ventilator is general is the housing of turbine type and the motor, the wind wheel that are installed in housing, and this motor is the oil smoke driving separately wind wheel operation to aspirate left and right burner generation.Extractor fan due to, this traditional structure is that parallel construction is placed, and only has single side air inlet before housing, after do not have air intake space or air intake space minimum.Like this, single side air inlet before housing, just easily cause the extreme loss of kinetic energy, the overall suction air volume of lampblack absorber is less, is difficult to ensure that the oil smoke that left and right burner produces is blotted only, thus use the common phenomenon of traditional extractor fan be oil smoke larger time, because lampblack absorber suction air volume is not enough, cause there is the elegant phenomenon opened of oil smoke, there is oil smoke and absorb the drawbacks such as insufficient, be therefore necessary to be further improved existing range hood structure.
Summary of the invention
The object of the invention is the shortcoming existed to overcome prior art, provide a kind of structure simple, easy to use, production cost is low, effectively can increase a kind of lampblack absorber with auxiliary air inlet function of cigarette machine suction air volume.
The present invention seeks to realize with the following methods: a kind of lampblack absorber with auxiliary air inlet function, it comprises lampblack absorber body and panel provided thereon, air draught turbine is provided with in lampblack absorber body, the air inlet of air draught turbine is connected with the mouth that enters on panel, its air outlet is connected with smoke exhaust pipe after installing smoke evacuation seat, it is characterized in that: be provided with auxiliary air inlet device between described smoke evacuation seat and smoke exhaust pipe or between air draught turbine and smoke evacuation seat, auxiliary air inlet device can be sent in smoke exhaust pipe from this external extracting air of lampblack absorber; Described auxiliary air inlet device comprises main cylinder and establishes wind wheel in the inner, and the tail end of main cylinder is that air inlet extends lampblack absorber this is external, and the head end of main cylinder is provided with air-ducting ring, is provided with the main air duct conducting in air inlet duct and main cylinder in air-ducting ring.
The inwall of described air-ducting ring is provided with the exhaust passage to smoke exhaust pipe direction opening, the oil smoke entered in main air duct enters in smoke exhaust pipe through exhaust passage.
Described air-ducting ring internal diameter is greater than or equal to the diameter of smoke evacuation seat.
Described wind wheel is aerofoil fan, produces negative pressure absorbing oil smoke by its high-speed rotation of driven by motor.
The air inlet of described main cylinder tail end is provided with oil cleaner screen.
The air inlet of described main cylinder tail end is arranged on the sidewall of Decorative Cover.
The invention has the beneficial effects as follows: 1, to have structure simple, easy to assembly in the present invention, the advantages such as production cost is low, and the market competitiveness is strong.2, unique auxiliary air inlet structure makes total suction air volume of this lampblack absorber be suction air volume and the auxiliary air inlet device suction air volume sum of air draught turbine, and therefore compared with conventional art, it can strengthen the intake of lampblack absorber itself, the operating efficiency of lifting lampblack absorber.3, the lampblack absorber of large intake can accelerate air in kitchen outwardly, ensure that the pure and fresh of air in kitchen environment.
Accompanying drawing explanation
Fig. 1,2 is general assembly design sketch of the present invention.
Fig. 3 is that the present invention hides structural representation after Decorative Cover.
Fig. 4 is discharge fume in the present invention seat and auxiliary air inlet device installation diagram.
Fig. 5 is auxiliary air inlet apparatus structure schematic diagram in the present invention.
Fig. 6 is auxiliary air inlet apparatus structure sectional view in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, concrete further instruction is done to the present invention.A kind of lampblack absorber with auxiliary air inlet function, it comprises lampblack absorber body 1 and panel provided thereon, air draught turbine 2 is provided with in lampblack absorber body, the air inlet of air draught turbine 2 is connected with the mouth that enters on panel, its air outlet is connected with smoke exhaust pipe after installing smoke evacuation seat 21, it is characterized in that: be provided with auxiliary air inlet device between described smoke evacuation seat 21 and smoke exhaust pipe or between air draught turbine 2 and smoke evacuation seat 21, auxiliary air inlet device can be sent in smoke exhaust pipe from this external extracting air of lampblack absorber; Described auxiliary air inlet device comprises main cylinder 3 and establishes wind wheel 4 in the inner, the tail end of main cylinder 3 is that air inlet extends outside lampblack absorber body 1, the head end of main cylinder 3 is provided with air-ducting ring 5, is provided with air inlet duct 6 and main air duct 7 conducting in main cylinder 3 in air-ducting ring 5.
The inwall of described air-ducting ring 5 is provided with the exhaust passage 8 to smoke exhaust pipe direction opening, the oil smoke entered in main air duct 7 enters in smoke exhaust pipe through exhaust passage 8.
Described air-ducting ring 5 internal diameter is greater than or equal to the diameter of smoke evacuation seat.
Described wind wheel 4 is aerofoil fan, drives its high-speed rotation to produce negative pressure absorbing oil smoke by motor 41.
The air inlet of described main cylinder 3 tail end is provided with oil cleaner screen 9.
The air inlet of described main cylinder 3 tail end is arranged on the sidewall of Decorative Cover 10.
Operation principle: operationally, air draught turbine 2 high-speed rotation of lampblack absorber produces negative pressure, make the oil smoke of lampblack absorber periphery under the effect of negative pressure through on panel enter the centre bore of mouth, oil cleaner screen and air-ducting ring 5 after enter in turbine, then discharge through blast pipe.In conventional art, air draught turbine structure is in unit speed, and suction air volume almost reaches capacity, can not by changing its structure to obtain larger suction air volume.Therefore the rotating speed increasing turbine is extensively adopted to obtain larger suction air volume.But increase the operating noise that secondary speed will certainly affect lampblack absorber, thus reduce its use texture.
For prior art bottleneck, auxiliary air inlet device is provided with in this case, it comprises main cylinder 3 and establishes wind wheel 4 in the inner, wind wheel high-speed rotation during work, the air of lampblack absorber outside and oil smoke are entered air inlet duct 6 after the main air duct 7 in main cylinder 3, is finally blown in smoke exhaust pipe or smoke evacuation seat from the exhaust passage 8 air-ducting ring 5.Therefore the suction air volume that the total suction air volume of the reality of this lampblack absorber equals air draught turbine 2 adds the suction air volume sum of auxiliary air inlet device.Measure through the applicant, this lampblack absorber suction air volume, up to 31 cubic metres/min, is compared like product suction air volume and is promoted more than 30%.Thus break through the limit of existing turbine lampblack absorber suction air volume, make the suction air volume that this lampblack absorber can provide larger.Also possess larger suction air volume just because of this lampblack absorber, make it can accelerate air in kitchen environment and discharge, accelerate the flowing of air, ensure that the pure and fresh of kitchen environment air.
Wherein it should be noted that: because the air inlet of auxiliary air inlet device is positioned in the Decorative Cover on lampblack absorber top.And can need according to the actual use of user the side or the front that air inlet are arranged on Decorative Cover.Just because of its air inlet position is higher, so the oil smoke of upwards escaping in gastronomical process is drawn clean when passing through near this air inlet, while adding the suction air volume of this lampblack absorber, also improve the oil smoke absorption rate to kitchen space, ensure that the quality of air in kitchen.
Further: in this case, unique air guide ring structure is not affecting the normal smoke evacuation of air draught turbine simultaneously, the structure of exhaust passage 8 is coordinated to make two strands of air-flows of auxiliary air inlet and air draught turbine together with meeting in smoke exhaust pipe.Because two strands of airflow directions are identical, and all possess larger blast, the discharge of two strands of airflow smooths can be ensured, ensure that the operating efficiency of lampblack absorber.Therefore, compared with traditional lampblack absorber, the unique auxiliary air inlet device in this case, while improving the suction air volume of lampblack absorber, also add the absorption rate of oil smoke, therefore can extensively promote the use of.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; as the form of auxiliary air inlet device, installation site etc., these changes and improvements all fall in the claimed scope of the invention.