CN2252300Y - Total cleaning kitchen ventilator with negative cavity - Google Patents

Abstract

The utility model relates to a high-efficiency cooking fume exhauster, which is designed according to the negative pressure principle. The utility model is composed of an exhaust fan, a negative pressure cavity and a furnace platform, the exhaust fan is arranged on the upper part of the negative pressure cavity, and the furnace platform is arranged on the bottom of the negative pressure cavity. The utility model has the advantages of simple structure, strong cooking fume exhausting capacity, low cost and good purifying effect.

Description

Negative pressure cavity total cleaning smoke exhaust ventilator

The utility model relates to a kind of kitchen smoke exhaust ventilator.Especially a kind ofly utilize principle of negative pressure that the kitchen cooking is put in the vacuum cavity to carry out, the oil smoke that is produced is all got rid of clean new-type smoke exhaust ventilator.

The existing employed smoke exhaust ventilator of family kitchen, great majority all are that flat level is installed on the wall, be higher than about one meter of stove and accessory, pot cover one is taken off when cooking, a large amount of oil smoke and steam up emit rapidly, smoke exhaust ventilator has little time they all are drawn into quickly, and some oil smoke and steam are sneaked off from smoke exhaust ventilator is other, are scattering in kitchen and the room.The common shortcoming of smoke exhaust ventilator of existing various models is that the pumping-clean rate to oil smoke does not reach higher ratio, and the kitchen remains the most serious place of fume pollution in the household.

The purpose of this utility model is the shortcoming that overcomes prior art, provides a kind of smoke pumping ability strong, the smoke exhaust ventilator of good purification.

The utility model utilizes principle of negative pressure to design.The pressure of air exhauster air outlet is zone of positive pressure greater than atmospheric pressure; The pressure of the air intake vent of air exhauster is negative pressuren zone less than atmospheric pressure.At negative pressuren zone a vacuum cavity is set, the oil smoke that gastronomical process can be produced all be collected in wherein and by air exhauster and discharge.

The utility model is made up of air exhauster, vacuum cavity and table, and air exhauster is on the top of vacuum cavity, and table is in the bottom of vacuum cavity.

Be open type in the front of vacuum cavity or be provided with a body.

Advantage of the present utility model is that the smoke pumping ability is strong especially, good purification etc.

Below with reference to drawings and Examples the utility model is further described.

Fig. 1 is stereoscopic figure of the present utility model.

Fig. 2,4,6, the 8th, the front view of four kinds of patterns of the utility model.

Fig. 3,5,7,9 is respectively Fig. 2,4,6,8 right cutaway view, but must illustrate, operates window (5) and close in front view, opens and operate window (5) in right cutaway view, and this is the introduction for the ease of each position.

Figure 10 is guide plate (25) grooved bore (26) and folding (27) schematic diagram thereof.

Figure 11 is the back cutaway view that Fig. 7 and Fig. 9 cut open the rear board first half, and it is the schematic diagram that guide plate (25) is arranged.

Now illustrate with Fig. 3.The utility model most important part is vacuum cavity (10), its structure is a casing, it can single usefulness or mixes with metal, nonmetal, plastics etc. through connecting or the mould notes form, its front has action pane (21), and the operation window (5) of up and down folding arranged, on in the vacuum cavity (10) smoke collecting chamber (22) is arranged, down living smoke chamber (20) is arranged, can insert cooker and cook.Vacuum cavity (10) end face and bottom surface windowing on demand are connected with stove and accessory (15) with existing smoke exhaust ventilator (24) respectively then, also smoke exhaust ventilator (24) and stove and accessory (15) can be inserted in the vacuum cavity (10), or one interior, another mode outside, of the present utility model one big feature of these four kinds of patterns can directly be cooked in vacuum cavity (10) exactly.

The utility model also can be in vacuum cavity (10), and the upper edge of action pane (21) is provided with one and prevents back letting out plate (31), its objective is to prevent that the oil smoke that rises from refluxing and letting out from window (21) at smoke collecting chamber (22).

The utility model can be taken out oil smoke very totally, its basic principle is because after centrifugal fan (29) starts, air in the vacuum cavity (10) is constantly taken away by centrifugal fan (29), produced the static pressure that vertically acts on wall in the vacuum cavity (10) less than the outer atmospheric pressure of vacuum cavity (10), so the air of high pressure flows in the vacuum cavity (10) continuously from action pane (21) outside the chamber, converge into one air stream and head direct for centrifugal fan (29) mouth, because of oil smoke is in the vacuum cavity (10), its air pressure is lower than the outer atmospheric pressure of window (21), these oil smoke can not diffluence outside window (21), and can only be mixed with this strand air stream and march on towards centrifugal fan (29), and driven and be pressed onto malleation cavity (11) all the other all are rejected to outdoor through air outlet (12) pipeline after malleation cavity (11) is collected a part of oil smoke waste liquid towards the air-flow direction of motion.

The utility model can not only all be got rid of oil smoke and steam that the cooking in the vacuum cavity (10) is produced clean, also simultaneously also be extracted into outdoor the air of indoor dirt, make the indoor fresh air that changed, these good health and a long life to people are helpful, especially the room that the northern area of China door and window in winter is all closed, air cleaning just has special significant meaning.

The utility model mainly is made up of stove and accessory (15), vacuum cavity (10) [comprising the table cooker on the living smoke chamber (20) of bottom, the smoke collecting chamber (22) on top], smoke exhaust ventilator (24) [comprise centrifugal exhauster (29), collect the malleation cavity (11) of oil smoke waste liquid device], air outlet (12) pipeline and gauge tap (8) and illumination (23) etc.

First kind of pattern of the present utility model be the simplest structural shape as shown in Figure 3.The end face of vacuum cavity (10) is connected with the required windowing of stove and accessory (15) by existing smoke exhaust ventilator (24) respectively with the bottom surface, directly cook in vacuum cavity (10), this is to utilize existing smoke exhaust ventilator of family (24) and stove and accessory (15) to be transformed into quick, the most most economical a kind of pattern of the utility model.

Second kind of pattern of the utility model as shown in Figure 5.Vacuum cavity (10) end face is settled existing smoke exhaust ventilator (24), inserts whole stove and accessory (15) in the vacuum cavity (10).This in appearance pattern is neat appearance, cleaning relatively.

The third pattern as shown in Figure 7, from whole angle, casing is neatly upright, and is attractive in appearance well-balanced, clean.In vacuum cavity (10), insert outside stove and accessory just can cook, also open up the local smoke exhaust ventilator (24) of installing in a place at the first half, outer guide plate (28) structure that is with of its centrifugal type wind wheel (13), it is to collect oil smoke waste liquid efficient in order to gain in weight to oil smoke and to help centrifugal action, making to improve that clear water (18) is injected in malleation cavity (11) bottom.This device has liquid injection port (not drawing on the figure), liquid outlet (17) and liquid level mark (19), and smoke collecting chamber (22) has tiltedly, perpendicular wall construction makes the waste liquid water conservancy diversion concentrate then to squab panel and flows in the cup.

The 4th kind of pattern of the present utility model as shown in Figure 9.Need windowing to expose vacuum cavity (10) by cooking stove vacuum cavity (10) bottom by stove fire head (16), its cooking is carried out in vacuum cavity (10), centrifugal fan (29) is vertical installation, performance is the same with Fig. 7 pattern, this pattern uses stove fire very convenient, except that coal gas and liquefied gas can with, coal stove and wood stove and coal stove for heating can be used, this is that the many places of China are a kind of good pattern of the fuel cooking and heating and indoor air purification with the coal.But it is how unfavorable to blower fan that its shortcoming is a dust, uses and how long must not clean once.

More than the negative pressure cavity total cleaning smoke exhaust ventilator of the four kinds of patterns wicket and the outdoor wind pipe end that also need vacuum cavity (10) bottom surface or side foot must open a variable-size install elbow additional, in case pour in down a chimney against the wind.Except that the 4th kind of pattern is used for coal stove, the wood stove, other all can insert in the negative pressure cavity (10) cooking to electromagnetic oven, micro-wave oven, electric frying pan etc., also electronics watt Slow-Cooker, electric cooker etc. can be inserted to close operation window (5) in the vacuum cavity (10) to allow oil smoke and steam be discharged to outdoor.These dischargings that oil smoke that many electric cooking appliances of family are produced has been described all can be finished by means of the utility model.

Claims (4)

1. a negative pressure cavity total cleaning smoke exhaust ventilator is characterized in that being made up of air exhauster, vacuum cavity and table, and air exhauster is on the top of vacuum cavity, and table is in the bottom of vacuum cavity.

2. negative pressure cavity total cleaning smoke exhaust ventilator according to claim 1 is characterized in that in the front of vacuum cavity being open type or being provided with a body.

3. negative pressure cavity total cleaning smoke extractor according to claim 1 and 2 is characterized in that in vacuum cavity (10), and the upper edge of action pane (21) can be provided with prevents back letting out plate (31).

4. according to claim 1 or 2 or 3 described negative pressure cavity total cleaning smoke extractors, it is characterized in that and to be provided with guide plate (28) in centrifugal type wind wheel (13) periphery of air exhauster that clear water (18) is injected in malleation cavity (11) bottom.

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