CN2397398Y - Kitchen ventilator - Google Patents

Abstract

The utility model discloses the structure of an oil fume exhaust ventilator, which is characterized in that a front panel of a box body of the oil fume exhaust ventilator is a tilted plane, the lower end of which extends inwards; the tilted panel is provided with an upper and a lower transverse suction openings; the edges of the suction openings extend towards the box body so that a flow plate can be arranged; the flow plate forms a flow accelerating cavity at the periphery of the suction openings in the box body; an air outlet is arranged on a back plate of the box body and is provided with a fan at the position of the air outlet. The utility model has better effect on sucking oil fumes and reduces pollution to an oil fume exhaust ventilator and a room, which is caused by oil fumes. The utility model has the advantages of compact and simple structure, small size, and low cost and is suitable for a kitchen of a restaurant or a family.

Description

A kind of smoke exhaust ventilator

The utility model belongs to the improvement of smoke exhaust ventilator structure.

People in cooking operation, between the deep fat steam and burnt gas discharging operation that will produce because of heating, to reduce indoor pollution, general ventilating fans or the smoke exhaust ventilators of using more.During the ventilating fan pump drainage, can only carry out pump drainage near the gas around it, because ventilating fan is uncovered air-breathing, there is not aggregation cover, can not make these waste gas disperses in the interior space effectively with zooming deep fat steam and burnt gas pump drainage, aggegation and being adsorbed in the kitchen range top, cooking ware and the operation room after cooling, cause large-scale pollution, brought trouble for clearing up of people.The smoke exhaust ventilator design has aggregation cover, generally hang on cooking operation platform top, the principle of utilizing deep fat steam to rise, it is carried out pump drainage, and oil flue waste gas pump drainage effect improves greatly, but because it still is uncovered air-breathing, slower in same airflow amount situation downstream speed, be lower than the speed that oil smoke rises, thereby make the part oil smoke put out aggregation cover, be spread in the space; In addition because the interior space of smoke exhaust ventilator casing is bigger, air flow slows makes soot gas time of staying lengthening in casing, cause the aggegation of portion of hot oil vapour easily and be adsorbed in the casing of smoke exhaust ventilator, a large amount of greasy dirts of long-term accumulation not only make troubles to cleaning, but also reduced the rotating speed of fan blade, the pump drainage effect is descended, cause the vicious circle phenomenon.

The purpose of this utility model is to provide a kind of pump drainage speed fast, and the not agglutinophilic smoke exhaust ventilator of tobacco tar to be overcoming above-mentioned defective, and makes it have compact conformation, volume is little, cost is low, easy for installation advantage.

Technical solution scheme of the present utility model is to realize like this, designed smoke exhaust ventilator main body is for having suction, the casing of exhaust outlet, device has power control switch on the casing, be provided with motor in the casing, fan blade and waste oil reclaim harvester, its design feature is, described casing front plate is the skewback that stretch inwards the lower end, having on the skewback, following two horizontal inlet scoops, extend in casing by the edge, inlet scoop and to be provided with collector plate, wherein two outside collector plate ends are individually fixed in casing, each collector plate forms the air-flow accelerating cavity by the inlet scoop end in casing, exhaust outlet is located on the back plate of casing, and the blower fan that fixedly installs in the casing is aimed at exhaust outlet.Feature of the present utility model also is, have lighting window between the two horizontal inlet scoops up and down at skewback, the relevant position is set with lighting device in casing, the two collector plate ends that the inboard is provided with between two inlet scoops join and constitute the shell of lighting device, and the collector plate end of two arranged outside is individually fixed in cabinet wall.

From said structure as can be seen, because the utility model is designed to the skewback that stretch inwards the lower end with the front plate of smoke exhaust ventilator casing, having on the panel, following two horizontal inlet scoops, and in casing, be provided with collector plate, constitute the air-flow accelerating cavity, when blower fan rotates, can make the place ahead, outer end, inlet scoop form the curtain formula air-flow barrier layer of two high flow rates, when deep fat steam below being placed in kitchen range or the heating vessel and burnt gas rise, be subjected to stopping of this barrier layer, being inhaled into casing discharges outdoor, oil smoke is difficult to continue to rise and diffusion, the part oil smoke was broken through put out first barrier layer, and also can have been stopped sucking-off, thereby oil smoke can not be spread by second air-flow barrier layer of upside; The setting of collector plate can also be dwindled gas flow space in the casing in the casing in addition, quickens oil smoke flowing in casing, makes it can not aggegation and be adsorbed in the case inner surface, and the accumulation of minimizing greasy dirt brings convenience to the user, and result of use obviously improves.Because the utility model compact conformation, volume is little, no matter hangs to install still and installs in the wall, and operating personnel are all had no effect, and it also has the low advantage of cost of manufacture in addition.

Accompanying drawing 1 is the structural representation of the designed a kind of example of smoke exhaust ventilator of the utility model; Accompanying drawing 2 is the schematic appearance of casing front plate among Fig. 1; 1 is collector plate among the figure, and 2 for paying the inlet scoop, and 3 is lighting device, and 4 is main inlet scoop, and 5 is casing, and 6 is electric machine support, and 7 is fan blade, and 8 is exhaust outlet, and 9 is motor, and 10 is power control switch.

Describe specific embodiments of the present utility model in detail below in conjunction with accompanying drawing.

Referring to accompanying drawing 1, the designed smoke exhaust ventilator main body of the utility model is a casing, and wherein the material of casing and collector plate can be selected corrosion resistant plate or other metallic plate compression moldings, also can select the duroplasts injection mo(u)lding for use; One avris of casing can be made opening alive, is convenient to clean box house; The front plate of casing is the skewback that stretch inwards the lower end, has two horizontal inlet scoops up and down on the skewback, and the height of upside inlet scoop be more conducive to the formation of air-flow barrier layer, and the blocking-up scope is bigger preferably less than the height (seeing accompanying drawing 2) of downside inlet scoop; Have lighting window between two inlet scoops, the relevant position fixedly installs lighting device (seeing accompanying drawing 1) in casing, adopts the fluorescent tube illumination, certainly lighting window also can be located at the skewback bottom or and base plate between; A side is provided with power control switch (seeing accompanying drawing 2) on skewback, can control the power supply of blower fan and illumination; Have circular row air port (see figure 1) on the back plate of casing, the limit portion protruding formation exhaust duct interface of exhaust outlet is to constitute interface for ease of exhaust duct being installed, also can being made a big half pipe, being stretched out by exhaust outlet place in the case; The casing inner blower general name of fan blade (motor with) is aimed at the exhaust outlet (see figure 1) by bracket fixing device, and fan blade can adopt as the vane type among the figure, also can adopt turbine type or drum-type, or even a machine band two structure of taking turns; The inlet scoop of upside is called a pair inlet scoop, the inlet scoop of downside is called main inlet scoop (see figure 1), up and down both sides are extended in casing by the mouth edge and are provided with collector plate in each inlet scoop, two collector plate ends between two inlet scoops join, can constitute the shell (see figure 1) of lighting device, the collector plate end in two outsides is fixed in cabinet wall, forms beloid air-flow accelerating cavity in the inlet scoop thereby make.Because the purpose that is provided with of collector plate is to form the air-flow accelerating cavity at the place, inlet scoop, and dwindle the flowing space of air-flow in casing, so being provided with of collector plate can be various, as only two collector plate being set paying inlet scoop upside and main inlet scoop downside, and lighting device is arranged between lower header plate and the base plate; Also can collector plate also be set in the both sides of inlet scoop, this collector plate can become one with the collector plate of upper and lower sides, embeds in the casing; Even the end of collector plate can be extended to after panel box, to dwindle airflow space.Though pump drainage efficient height of the present utility model, but still have a small amount of sump oil absorption accumulation, reclaim harvester so still need be provided with waste oil, this and of the prior art basic identical, as in casing, being provided with oil guide groove, its oil collection box with the setting of casing one side is communicated with, makes oil collection box one side more lower slightly during installation as far as possible.

Installing and using of the smoke exhaust ventilator that the utility model is designed, can hang on wall or the window-frame, also can embed in body of wall or the window-frame, then need be connected with exhaust duct during for the former and be connected to the open air, the kitchen range top should be arranged on this machine front end below during use, is beneficial to the pump drainage of flue gas.

Claims (4)

1. smoke exhaust ventilator, it constitutes: have the casing of suction, exhaust outlet, casing is provided with power control switch, is provided with blower fan and waste oil in the casing and reclaims harvester; It is characterized in that, described casing front plate is the skewback that stretch inwards the lower end, on skewback, have two horizontal inlet scoops up and down, extend in casing by the edge of each inlet scoop and to be provided with collector plate, each collector plate forms the air-flow accelerating cavity by the inlet scoop end in casing, exhaust outlet is located on the back plate of casing, and the blower fan that fixedly installs in the case is aimed at exhaust outlet.

2. smoke exhaust ventilator according to claim 1 is characterized in that, skewback have lighting window between the two horizontal inlet scoops up and down, the relevant position is set with lighting device in casing; The two collector plate ends that the inboard is provided with between two inlet scoops join and constitute the shell of lighting device, and the collector plate end of two arranged outside is individually fixed in cabinet wall.

3. smoke exhaust ventilator according to claim 1 and 2 is characterized in that, described upside is paid the height of the height of inlet scoop less than downside master inlet scoop.

4. smoke exhaust ventilator according to claim 3 is characterized in that, is provided with the interface that connects exhaust duct at the exhaust outlet place of after panel box.

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