CN201173513Y - Supercharging type cover-free fume exhaustor for air inlet and outlet - Google Patents

Abstract

The utility model provides a pressure-charged unshaded intake and exhaust range hood which ensures that both a user and a kitchen are protected from oil smoke hot air and the pollution. The pressure-charged unshaded intake and exhaust range hood has a structure that an upper end edge of a positioning baffle plate is connected with an discharging pressure reducing machine, a lower end edge is connected and combined with an air inlet positive booster into a whole, the discharging pressure reducing machine consists of an exhaust channel, an air suction fan and an air suction distributing hole mesh which are connected in sequence, the height of the position where the air suction distributing hole mesh is arranged is lower than the human head so that the human head can move and breathe in the upper space of the air suction distributing hole mesh, thereby avoiding the direct harm of the oil smoke exhaust; the lower end surface of the stove is connected with the upper end surface of the air suction distributing mesh, the lower end surface of the air suction distributing hole mesh is connected with an air inlet fan and an air inlet pipe to form the air inlet positive booster, the outdoor air is directly guided to the periphery at the lower part of the stove, the formed atmospheric pressure is higher than the exhaust generated by the stove, thereby effectively preventing the exhaust from dispersing all around so that the kitchen is polluted, the exhaust can flow to the low pressure area of the air suction distributing hole mesh of the discharging pressure reducing machine, and the exhaust is transported outdoors through the air suction pipe.

Description

Booster-type does not have cover intake and exhaust lampblack absorber

Affiliated technical field:

The utility model relates to a kind ofly can make human body and room, all avoids the infringement and the pollution of oil smoke hot gas, especially can thoroughly improve the booster-type of the overall situation in subenvironment before the kitchen range top and kitchen and not have cover intake and exhaust lampblack absorber.

Background technology:

Present known general smoke exhaust ventilator, the not plenum of only bleeding is only bled to outdoor in the stove and accessory upper end, not in the stove and accessory lower end to indoor plenum, its structure mainly is by discharge duct, and the fume extracting system device that the exhaust fan machine is formed is contained in smoke exhaust ventilator the top position of stove and accessory.When stove and accessory is lighted a fire the making Chinese meal, start smoke exhaust ventilator and make its work, oil smoke is drawn into pipeline to be delivered to outdoor, but, actual conditions are, this smoke exhaust ventilator can not be drained oil smoke only, main cause is, the air inlet in kitchen or door and window, basically be that bleeding point is parallel with hood for fume extractor, and be positioned at the stove and accessory of the lower position of smoke exhaust ventilator, the air pressure of the oil smoke hot gas around it, the atmospheric pressure that is higher than the backstairs window again, outdoor air is after the door and window in kitchen enters, and directly the depression belt around the bleeding point of smoke exhaust ventilator replenishes in the past, and formed air-flow is that window and bleeding point are the flow direction of straight line basically, do not change a curved lower end position downwards, flow to the smoke exhaust ventilator bleeding point again through stove and accessory.So the power of increase smoke exhaust ventilator has also just increased from the wind flow of window to indoor air inlet, the oil smoke hot gas that its smoke exhaust ventilator extracted mainly is the heat by oil smoke, rises to the position of the exhaust fume collecting hood of smoke exhaust ventilator, could be taken away.Like this, smoke exhaust ventilator must be adorned a large-area exhaust fume collecting hood, so that collect the oil smoke hot gas that rises naturally by hot gas, in order not keep off staff's sight line, adorn the position of smoke exhaust ventilator again, the height from ground to the smoke exhaust ventilator exhaust fume collecting hood is compared with human body, it highly must be higher than the above position, eyes position of human body, like this, the head of human body have to be in the space below the smoke exhaust ventilator exhaust fume collecting hood bleeding point, movable, breathing.Add the heat of oil smoke hot gas by self, naturally in the process of Shang Shenging, air pressure is again than the air pressure height of ambient air, as easy as rolling off a log to space diffusion all around, delay is got off, and makes the staff who makes Chinese meal, when inevitably sucking fuel combustion, the multiple pollutant that is produced, and the Combination cooking fume hot gas that contains kind of composition surplus in the of 200 of edible oil generation when heating.

Summary of the invention:

In order to overcome the installation site of existing smoke exhaust ventilator exhaust fume collecting hood, can not lean on the stove and accessory face too near, in order to avoid stop staff's sight line, be higher than the above position of human eye's organ pipe, thereby the height that also is higher than the human body respiration organ pipe, like this, to this section of stove and accessory end face space length, spread at billowing oil smoke, slowly rising, four sides, hot gas is soaring at the smoke exhaust ventilator exhaust fume collecting hood.Allow staff's head, the just little space operation of the kitchen range top in this abominable ring mirror, inevitably breathing the shortcoming of the oil smoke hot gas that contains all contaminations.And can not completely timely quite a few be leaned in the self heat nature uphill process, the oil flue waste gas that scattering wafts walks, it is outdoor directly to extract discharge, is trapped in the deficiency in the kitchen.The utility model provides a kind of booster-type not have cover intake and exhaust lampblack absorber, this booster-type does not have cover intake and exhaust lampblack absorber can not only not allow a plume of smoke silk be trapped in the kitchen, pollute the room, and can be installed in bleeding point very near on the stove and accessory table top easily, allow human body head only in the superjacent air space activity of smoke exhaust ventilator bleeding point, breathing outdoor fresh air, thereby when the staff is on the make eaten, the subenvironment before the kitchen range top and the overall situation in kitchen, all improved completely, thereby avoided all contaminations, to the infringement of human body and to the pollution of room decorating.

The technical scheme that its technical problem that solves the utility model adopts is: do not have in the composition of cover intake and exhaust lampblack absorber in booster-type, bleeding point is the distribution hole pattern setting that horizontal direction is bled, the one, having reduced bleeds distributes the air pressure of hole pattern periphery, strengthened suction to ambient air, the 2nd, can allow bleeds distributes the area of hole pattern littler, be convenient to install position near 30 centimetres of stove and accessorys, also be unlikely to block vision, allow staff's head only distribute superjacent air space activity, the breathing of hole pattern bleeding.The exhaust negative booster of bleeding and distributing hole pattern and exhaust fan machine, pump-line to be linked in sequence and to form under the effect of exhaust fan machine continuous air extraction, is bled the top of stove and accessory and is distributed hole pattern space on every side, has formed depression belt.And the bottom of stove and accessory is connected with the online end of air inlet dispensing orifice, air inlet dispensing orifice end off the net and supply fan machine, admission line is linked in sequence and forms the plenum machine, outdoor air is under the effect of supply fan machine, via admission line, the supply fan machine, air inlet distributes hole pattern to enter around the lower end of stove and accessory, form the hyperbar band, like this, between the superjacent air space of the following end spaces of stove and accessory and stove and accessory, formed the poor of high low pressure, impel stove and accessory below pressure-air on every side to flow to the depression belt of stove and accessory top, around stove and accessory, form the high pressure band of gas of 50 cm thicks, and when on the make eating, the air pressure of exhaust combustion gases that is produced and oil smoke hot gas, be lower than the zone of pressure around the stove and accessory but be higher than the zone of pressure of stove and accessory upper end, can not go here and there out the pressure-air band that forms by outdoor fresh air that reaches 50 cm thicks around the stove and accessory at all, can only flow towards stove and accessory upper end depression belt, outdoor air with the pressure-air band enters exhaust depressurizer system device, reaches totally to discharge outdoor purpose completely timely.

The beneficial effects of the utility model are, in the time of can on the make eating, discharge harmful oil smoke hot gas outdoor fully, completely timely, avoid pollution to interior decoration, especially because human body head only need effectively have been avoided the infringement of oil smoke hot gas to the human lung in the activity of smoke exhaust ventilator bleeding point superjacent air space, to reducing China women lung incidence of disease height, have realistic meaning, produced beneficial technical effects.Compare with the not plenum of only bleeding of general smoke exhaust ventilator, the utility model makes full use of the principle that the air of hyperbar band covers to depression belt.Be pumped down plenum again, the dispensing orifice web area of particularly bleeding is again little and near the cooking stove table top, the position of installation is lower than human body head and does not influence sight line again, and structural principle is all more rationally perfect, and effect is very good again.Be outstanding substantive distinguishing features and obvious improvement of this utility model.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is principles of construction figure of the present utility model.

Fig. 2 is the vertical section structural map that booster-type does not have the embodiment of cover intake and exhaust lampblack absorber.

Fig. 3 is that booster-type does not have the embodiment of cover intake and exhaust lampblack absorber and the graph of a relation between the human body.

Among the figure, 1 admission line, 2 supply fan machines, 3 air inlets distribute hole pattern, 4 pump-lines, 5 exhaust fan machines, the 6 distribution hole patterns of bleeding, 7 waste gas, 8 outdoor airs, 9 pressure-air bands, 10 oil smoke hot gas, 11 exhaust combustion gases, 12 cookers, 13 stove and accessorys, 14.Positioning baffle, 15.Blowdown oil-piping interface

The specific embodiment

In Fig. 1, outdoor air through admission line (1), supply fan machine (2), pass air inlet and distribute hole pattern (3), arrive around stove and accessory (13) table top, after forming pressure-air band (9), the depression belt that continues upward flows, adding to bleeds distribute hole pattern (6) on every side after, entering into bleeds distributes in the hole pattern (6), is delivered to outdoor through exhaust fan machine (5), pump-line (4).At this moment, oil smoke hot gas (10) that its stove and accessory produced and exhaust combustion gases (11), because the pressure-air band (9) around its air pressure is lower than, be higher than bleeding of its top position again and distribute hole pattern (6) ambient air, can only bleed distribution hole pattern (6) on every side by depression belt stream upward, with pressure-air, entering into bleeds distributes in the hole pattern (6), is discharged outdoor by exhaust fan machine (5) through pump-line (4).

In embodiment illustrated in fig. 2, admission line (1) one end of plenum machine system equipment stretches out outdoor, the other end is connected with the air inlet of supply fan machine (2), the gas outlet end face of supply fan machine (2) and air inlet distribute hole pattern (3) bottom to connect, air inlet distributes the upper end of hole pattern (3) to be connected with stove and accessory (13) bottom, and its air inlet distributes the periphery of hole pattern to have the passage of mesh to arrange.Stove and accessory upper ends cooker (12).Air inlet distributes the hole pattern inner side edge to be connected with positioning baffle (14) limit, lower end.

In the relation between embodiment illustrated in fig. 3 and human body, pump-line (4) one ends of exhaust depressurizer system device stretch out outdoor, the other end is connected with the gas outlet of exhaust fan machine (5), another air inlet end face of exhaust fan machine (5) joins with distribution network escutcheon (6) upper end of bleeding, its bottom of bleeding distribution hole pattern (6) is enclosed bottom surface, in the greasy dirt pipeline (15) that runs in, the surrounding is that the passage of mesh is arranged, and guarantees the mesh suction from then on of oil smoke hot gas and exhaust combustion gases and flow of outside air.Bleed and distribute the hole pattern inner side edge to be connected with limit, positioning baffle (14) upper end.Because of the positioning baffle height has only 30 centimetres, the hole pattern integral body that is formed by connecting is distributed with air inlet again in its limit, lower end, and the dispensing orifice network interface that guaranteed to bleed is positioned at the position of human body head below, makes the human lung avoid the long-term infringement of oil smoke waste hot gas.

Claims (4)

1. a booster-type does not have cover intake and exhaust lampblack absorber, in the combination of plenum machine and exhaust negative booster, the exhaust negative booster is linked in sequence and is formed by pump-line, exhaust fan machine, the distribution hole pattern of bleeding, and the plenum machine is linked in sequence and is formed by admission line, supply fan machine, air inlet distribution hole pattern, it is characterized in that; Lower surface at stove and accessory is connected with the online end face of air inlet dispensing orifice, and air inlet distributes the lower surface of hole pattern to be connected with supply fan machine and admission line and the plenum machine formed.

2. booster-type according to claim 1 does not have cover intake and exhaust lampblack absorber, it is characterized in that; It is the levels structural relation of a consubstantiality that air inlet distributes hole pattern and stove and accessory, and the upper strata is a stove and accessory, and lower floor is that air inlet distributes hole pattern, and its air inlet distributes the surrounding of hole pattern to have poroid passage to arrange.

3. booster-type according to claim 1 does not have cover intake and exhaust lampblack absorber, it is characterized in that; Bleeding, to distribute hole pattern and exhaust fan body be the levels structural relation of a consubstantiality, the upper strata is the exhaust fan body, lower floor is the dispensing orifice dictyosome of laterally bleeding, the online port of dispensing orifice of laterally bleeding docks with exhaust fan body lower port, its surrounding of distributing hole pattern of bleeding has the passage of mesh to arrange, the bottom is enclosed bottom surface, in the contaminated oil pipe pipeline joint that runs in.

4. booster-type according to claim 1 does not have cover intake and exhaust lampblack absorber, it is characterized in that; Limit, positioning baffle upper end is connected with the exhaust negative booster, and limit, positioning baffle lower end is connected with the plenum machine, is combined into a booster-type intake and exhaust lampblack absorber integral body.

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