CN207486921U - A kind of noiseless self-priming smoke exhaust ventilator - Google Patents

Abstract

The utility model discloses a kind of noiseless self-priming smoke exhaust ventilator, including petticoat pipe, exhaust column and smoke exhaust pipe, the exhaust column is between petticoat pipe and smoke exhaust pipe, the smoke exhaust pipe connection flue or house outdoor, smoke exhaust ventilator further includes heating unit, and the heating unit is installed on the tube wall of exhaust column.The noiseless self-priming smoke exhaust ventilator of the utility model, deep fat cigarette acceleration in exhaust column is drawn with the mode of hot negative pressure self-priming and is discharged into flue, and noiseless, exhaust column, bend pipe and exhaust duct are in hot wind and flow through state, oil smoke is not easy to be attached to exhausting inside pipe wall, convenient for the repair and cleaning of smoke exhaust ventilator.

Description

A kind of noiseless self-priming smoke exhaust ventilator

Technical field

The utility model is related to kitchen appliance technical field of structures more particularly to a kind of noiseless self-priming smoke pumpings Machine.

Background technology

At present, smoke exhaust ventilator has become one of kitchen products member indispensable in urban households of China kitchen.Oil pumping Smoke machine be it is a kind of drive away the household appliances of flue gas using miniature " the artificial wind " that is artificially formed, i.e., it is former using " air negative pressure " Reason, electronic impeller is installed in a metal fuselage, when impeller high speed rotation will around smoke exhaust ventilator air inlet shape Enter the air negative pressure area in smoke exhaust ventilator into a guiding flue gas, flue gas will ceaselessly be entered by " suction " in smoke exhaust ventilator.

For smoke exhaust ventilator in working condition, " flue gas " of suction is mainly with air, vapor, flue gas, exhaust combustion gases etc. Composition, is the mixing air more much larger than normal air viscosity number.In volute, " flue gas " micel in smoke exhaust ventilator due to The collision between collision and micel with impeller causes temperature rise, and then the viscosity of mixed gas increases, and increases gas The resistance of body flowing has the attachment of a considerable amount of oil droplets, condenses in the surface of the spiral case of smoke exhaust ventilator, impeller, motor, more Acute smoke exhaust ventilator is discharged fume unfavorable turbulent flow phenomenon, professional person is needed to dismantle core component cleaning, otherwise disassembly, cleaning process In often damage the performances of associated components, the effect for gas of smoking substantially reduces, these situations can give traditional smoke exhaust ventilator band Carry out three major issues：

1. the attachment of oil droplet can increase the running resistance of induced-draft fan, the effect for gas of smoking substantially reduces, if along with not special Industry or cleaning not in time and unprofessional assembling but will reduce the smoke discharging effect of smoke exhaust ventilator.

2. oil droplet attachment, the resistance increase of gas flowing, can significantly increase the operation noise of exhaust fan, make kitchen work people Member is subjected to the pollution of noise in busy cook.

3. smoke exhaust ventilator vibrates excessive, easy oil leakage.Unprofessional assembling, installation are bad, have foreign matter, internal incrustation on blade Blocked up, motor bearings abrasion or bearing hole cross big city and the high-amplitude of smoke exhaust ventilator are caused to shake.

With the variation of domestic environment, whole (integration) kitchen is more and more, to the smoke evacuation ability of cooking-fume exhauster It is required that higher and higher, the slogan of low flue gas, low noise or even zero flue gas is not rarely seen.Realize real zero flue gas, no Range hood entrance is only reduced to cooker face hereinafter, that smoke absorption distance also to be allowed to be reduced to simultaneously is most short.

It is investigated that card, smoking gas technology experienced first generation top suction type and second since last century, the eighties introduced China For the variation of side-suction type, but the defects of due to product technology itself, it is unable to reach 100% suction effect of flue gas always.In addition, Traditional top suction type smoke exhaust ventilator is all furred ceiling design mostly, and mounting height is generally apart from 70 centimetres or so of hearth face, and it has Effect suction radius substantially at 40 centimetres or so, therefore pot face is completely disposed in except the aspiration ranges of smoke exhaust ventilator, such flue gas from Pot face one generates and will run wild, and can not exhaust flue gas.With the raising of technical merit, though second generation side-absorption type smoke exhaust ventilator The distance for the smoke absorption that so furthered, but because be to wait flue gas volatilization just to start, in addition unidirectional smoking can not avoid remaining The diffusion of flue gas, so side, which is inhaled, still can not realize that the whole of flue gas exhaust.

The promise manufactured using German technique inspires confidence in kitchen fort, and smoke exhaust ventilator is using " promise inspires confidence in Fumexter positive/negative-pressure tobacco controls Technology ", principle are to be depressed the flue gas to raise up using the positive wine pressure being located on righteous style and practice frame, it is allowed to take advantage of a situation along the bottom of a pan to negative wind Mouth is pressed, is raised outside operator's face wind screen formed below, control flue gas, adsorbs flue gas in 38 cm ranges, it is significantly superior In 16 centimetres of suction force ranges of traditional single negative wind pressure, it can thoroughly achieve the effect that suction flue gas, so as to fulfill the ideal of zero flue gas State brings the healthy living of real zero flue gas for Chinese Consumer's, but this technology is complicated, of high cost.

Also tackling of key scientific and technical problems is unfolded to smoke exhaust ventilator in succession in domestic researcher, has invented the smoke exhaust ventilator of various performances.Packet It includes：

Isolated smoke exhaust ventilator (Su Yanli, Han Weiguo, Dong Jianbo) based on negative pressure theory.It is a novel pumping without dismantling and cleaning Kitchen ventilator is isolated by greasy dirt with the power part of smoke exhaust ventilator, is avoided core component viscous oil dirty, is reduced noise, fundamentally thoroughly Solve the cleaning problem of smoke exhaust ventilator.

Novel cooking fume exhauster (Ma Xunju) based on principle of negative pressure.It has been carried out newly using fluid mechanics principle and principle of negative pressure The structure and Functional Design of type smoke exhaust ventilator, efficiently solve the problems, such as these, and do not influence the effect of smoking gas.

Using the smoke exhaust ventilator (Zhang Hui, Li Jie, Liu Xunqian) of artificial spout effect.It installs additional and revolves in common smoke exhaust ventilator forepart The shielding fluidic device turned makes smoke exhaust ventilator suction flow field be coupled with rotating jet flow field, to obtain artificial spout flowing Flow field, and realize the control and suck to flue gas using the artificial spout.

Smoke chamber is without electric motor with vane wheel air amplifying type smoke exhaust ventilator (complete solution life).By increasing oil groove and oilhole, energy in ontology It is blocked from anti-air gap, there is wall attachment effect, the compressed air of input rushes at ontology air cavity upper end or even top from air gap, is formed empty Heart shaped negative pressuren zone can aspirate the flue gas below ontology bottom end, form solid air column, is much larger than so as to fulfill drawing smoke amount strongly Compressed air input quantity.

Gravity flow/flow-guiding type fume exhauster (Zhang Xun and).The machine is developed to adapt to the needs of Shao Mei families.Its spy Point is the convection current using air, and exhaust gas can be discharged voluntarily at any time by gas gathering mask through exhaust pipe, and nothing is appointed in exhaust passage The metal part of what choke also can smoothly be vented when motor does not work and corrode relatively gently, and exhaust fan is not direct with flue gas in itself Contact, the drainage drawing smoke of high-speed flow generated by exhaust fan are simultaneously discharged, and smoke discharging is efficient, the flue gas in kitchen It can be discharged together with muddy air.

It is polluted for flue gas is prevented to be directly discharged into air, flue gas will be purified before air is discharged into, and be pumped at present The purification style of smoke machine is broadly divided into two kinds：

Inertial separation method.The cleaning principle of this kind of mode is exactly to purify dust-laden gas containing flue gas using grating type construction, is changed Become its airflow direction, in this way, oil mist particles will be separated from air-flow, this kind of mode is simple in structure, but to flue gas Clean-up effect is but accidentally preferable, and maintenance workload is big, it is easy to block.

Filtration method.This kind of mode mainly filters dust-laden containing flue gas using fiber mat, activated carbon fiber, composite material filter cloth Gas purifies mist of oil, and the gas cleaning efficiency of this mode is very high, just will appear saturation in a short time, increase is wherein Resistance, change kitchen ventilation situation.

From the point of view of the actual conditions in China, China's cooking-fume exhauster purification techniques does not obtain substantive progress, cigarette Gas purification efficiency is not up to standard requirement with ontology resistance always, and for environmental angle, the design of smoke exhaust ventilator also exists very The defects of more, also needs to be improved in a manner of all kinds of kitchen flue gas based on static technique.

Design for following environment-friendly household smoke exhaust ventilator, it is necessary to fully take into account noise, wind pressure, air quantity, purification The Multiple factors such as rate, this soil resistance carry out parameters scientific and reasonable collocation, when being designed, need to consider kitchen The physical property of room flue gas, the system that drawing smoke system and flue gas piece-rate system are arranged on two is different, promotes centrifugal pan Centrifugal force, misty elaioleucite is adequately detached with carbon black pellet object, it is using the pumping function of smoke exhaust ventilator that flue gas is complete It excludes.In design, need fully to meet the requirement for centrifuging the technologies such as flue gas, targetedly measure is taken to promote smoke pumping The working efficiency and purifying rate of machine.

Utility model content

The technical problems to be solved in the utility model is that：For technical problem of the existing technology, this practicality is new Type provides a kind of noiseless self-priming smoke exhaust ventilator, enables to flue gas quickly through exhaust column, while thoroughly eliminates oil pumping Noise caused by smoke machine.

In order to solve the above technical problems, the utility model proposes technical solution be：

A kind of noiseless self-priming smoke exhaust ventilator, including petticoat pipe, exhaust column and smoke exhaust pipe, the exhaust column is located at petticoat pipe Between smoke exhaust pipe, the smoke exhaust pipe connection flue or house outdoor, smoke exhaust ventilator further include heating unit, the heating dress Put the tube wall for being installed on exhaust column.

As a further improvement of the above technical scheme：

The exhaust column is hyperbolic-type pipe, and the side section of tube wall is into hyperbola.

The heating unit is sheathed on outside the tube wall of exhaust column.

The smoke exhaust ventilator further includes bend pipe, and the bend pipe is connected between exhaust column and smoke exhaust pipe.

The heating unit is resistance heating cylinder.

Compared with prior art, the utility model has the advantage of：

(1) the noiseless self-priming smoke exhaust ventilator of the utility model installs a heating unit in exhaust column, improves and take out The temperature of oil smoke in air hose increases negative pressure in exhaust column, makes to increase with the pressure differential at hood mouth in exhaust column, be improved with this Flue gas by rate, draw in exhaust column the acceleration of deep fat cigarette with the mode of hot negative pressure self-priming and be discharged into flue, it is noiseless.

(2) the noiseless self-priming smoke exhaust ventilator of the utility model, the tube wall of exhaust column are molded into hyperbola, pass through The variation of exhausting pipe diameter and basal area increases the movement velocity of oil smoke in entire pipeline from exhaust column structure.

(3) the noiseless self-priming smoke exhaust ventilator of the utility model, heats exhaust column, and exhaust column, bend pipe Hot wind is in smoke exhaust pipe and flows through state, flue gas is not easy to be attached to exhausting inside pipe wall, convenient for the repair and cleaning of smoke exhaust ventilator.

(4) the noiseless self-priming smoke exhaust ventilator of the utility model, smoke exhaust ventilator need not install exhaust fan, noiseless.

Description of the drawings

Fig. 1 is the structure diagram of the utility model.

Figure number explanation：

1-petticoat pipe；2-exhaust column；3-smoke exhaust pipe；4-heating unit；5-bend pipe；6-flue.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

Fig. 1 shows a kind of embodiment of the noiseless self-priming smoke exhaust ventilator of the utility model, and smoke exhaust ventilator includes Petticoat pipe 1, exhaust column 2 and smoke exhaust pipe 3, for exhaust column 2 between petticoat pipe 1 and smoke exhaust pipe 3, smoke exhaust pipe 3 connects flue 6 or house room Outside, smoke exhaust ventilator further include heating unit 4, and exhaust column 2 is made of cold-reduced sheet, and heating unit 4 is installed on exhaust column 2 Tube wall.

In the present embodiment, exhaust column 2 is hyperbolic-type pipe, and the side section of tube wall is into hyperbola, on hyperbolic-type pipe Under diameter be more than mid diameter, be more advantageous to the sucking and discharge of gas.Heating unit 4 is sheathed on entire 2 tube wall of exhaust column Outside.Heating unit 4 is resistance heating cylinder.Resistance heating cylinder belongs to the electrical heating for being used as being heated to pipeline or its interior medium and fills It puts, it forms temperature control unit by microcontroller and temperature sensor, also with two pieces of bearing shell shape inner metal shells, two inner metal shells An electric heating tube is respectively fixed on internal face；Also there are two made to be linked in the bearing shell on pipeline by Heat Conduction Material for tool Shape is molded heat-conducting layer, and the outside wall surface and two inner metal shell internal faces for being molded heat-conducting layer fit；Also tool there are two in two metals The bearing shell shape molded heat insulation layer of shell outside wall surface fitting, sets that there are two bearing shell shape shells on two forming insulating layer outer surface；Also have As the fixing component being connected to above-mentioned heating component on pipeline.Resistance heating cylinder has thermal efficiency height, and facilitates installation, tears open The advantages of unloading is widely used in various pipeline heating occasions.

The temperature of flue gas is improved using resistance heating cylinder, rate of the flue gas by pipeline is improved with this, when some region of When gas temperature increases due to certain factor, the expansion of gas volume will be caused, air molecule certainly will peripherally will expand in area It is high to dissipate temperature, gas molecule no doubt can move quicker.

In the present embodiment, smoke exhaust ventilator further includes bend pipe 5, and bend pipe 5 is connected between exhaust column 2 and smoke exhaust pipe 3, bend pipe 5 For changing the trend of flue gas, flue gas is made to be discharged from smoke exhaust pipe 3.

In the utility model, for flue gas after the heat treatment of resistance heating cylinder, flue gas is quick by way of hot negative pressure self-priming Into flue 6, so smoke exhaust ventilator need not set exhaust fan, it is noiseless.

Limitation in any form is not made the utility model in the preferred embodiment of above-mentioned only the utility model.Though So the utility model has been disclosed with preferred embodiment as above, however is not limited to the utility model.Therefore, it is every without departing from The content of technical solutions of the utility model any is simply repaiied according to the utility model technical spirit is made to the above embodiment Change, equivalent variations and modification, should all fall in the range of technical solutions of the utility model protection.

Claims (5)

1. a kind of noiseless self-priming smoke exhaust ventilator, including petticoat pipe (1), exhaust column (2) and smoke exhaust pipe (3), the exhaust column (2) between petticoat pipe (1) and smoke exhaust pipe (3), smoke exhaust pipe (3) the connection flue (6) or house outdoor, feature exist In smoke exhaust ventilator further includes heating unit (4), and the heating unit (4) is installed on the tube wall of exhaust column (2).

2. noiseless self-priming smoke exhaust ventilator according to claim 1, which is characterized in that the exhaust column (2) is double Shaped form pipe, the side section of tube wall is into hyperbola.

3. noiseless self-priming smoke exhaust ventilator according to claim 2, which is characterized in that heating unit (4) set Outside the tube wall of exhaust column (2).

4. noiseless self-priming smoke exhaust ventilator according to claim 1, which is characterized in that bend pipe (5) is further included, it is described Bend pipe (5) is connected between exhaust column (2) and smoke exhaust pipe (3).

5. noiseless self-priming smoke exhaust ventilator according to claim 4, which is characterized in that the heating unit (4) is Resistance heating cylinder.