CN2926879Y

CN2926879Y - Washing-free, jet-flowing and energy-saving cooker hood

Info

Publication number: CN2926879Y
Application number: CN 200620079304
Authority: CN
Inventors: 郭斌学; 郭成城
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-30
Filing date: 2006-06-30
Publication date: 2007-07-25
Anticipated expiration: 2016-06-30

Abstract

The utility model relates to a spurt type disassembly-and-cleaning-free energy-saving range hood mainly used above the kitchen range. The range hood consists of a lampblack trap hood 1, a casing 2, a compressed air cavity 3 made by the lampblack trap hood positioned in the casing, a lampblack exhaust pipe 6 sealed to the upper end of the lampblack trap hood, and an air exhaust pipe 7 sealed to the upper end of the casing, with the interior and outer exhause pipes sleeved together; wherein, the outer wall of the outlet end of the lampblack exhaust pipe 6 is provided with a ring-shaped outward-bulging band 9 making a spurt puff port with the air exhaust pipe, a fan 11 is provided in the casing, the fan air inlet seals to an outer air inlet pipe 15, the compressed air cavity is provided with a wind guide plate 4, a oil trap is positioned below the two side boards and the front board of the casing separately, and an oil Channel 18 and an oil gathering box 20 are provided along the two reverse-triangular margins of the lower edge of the back side board of the casing. The range hood realizes the design of free disassembly and cleaning, motion without the pollution of the lampblack, considerably effective lampblack absorption and discharge, which is good to the human health and extends the service life greatly to reach the purposes of energy conservation, labor saving and environmental protection.

Description

The jet-type free unpicking and washing energy-saving fume exhauster

Technical field

The utility model belongs to equipment technical field for kitchen use, exactly is a kind of smoke exhaust ventilator that uses on the kitchen range.

Background technology

The smoke exhaust ventilator that uses generally adopts the axial-flow type centrifugal blower at present, blower fan places in the oil-collecting petticoat pipe, and its oil smoke is by the outside suction of impeller, so all suffer fume pollution inside and outside impeller, motor and the body in various degree, clean and maintenance is very inconvenient, and the impeller balance predisposes to damage.The smoke exhaust ventilator of market popularity in order fully to improve pump drainage oil smoke amount, generally adopts the method for increasing motor power, for the more airtight mistaken ideas of resident Lai Shuoshi of house.Do like this, electric power increases exponentially, but that lampblack-pumped effect increases is very little.Because high-power lampblack absorber is taken out oil smoke after outdoor together with indoor a large amount of air, and room air can not get in time replenishing, the indoor and outdoor draught head increases, and causes the lampblack absorber operating efficiency to descend greatly on the contrary; Moreover room pressure reduces the back air and thins out, and makes internal pressure higher, and high-temperature water vapor that relative density is bigger or the easier freely-movable of soot gas molecule have further strengthened suction oil smoke difficulty to diffusion all around; Also have, room pressure reduces, and the boiling point of water and oil also reduces, and has both increased the evaporation capacity of water and oil, has increased the workload of lampblack absorber simultaneously, has wasted water and oil, is unfavorable for that also food becomes ripe; More have a bit and very easily ignored by the people, that is exactly that room pressure reduces, and air thins out and causes anaerobic environment, and is unfavorable to health of human body; To winter, under the situation that door and window closes, it is inadvisable continuing to adopt the way that increases power of fan to improve lampblack-pumped effect especially." the air blast formula smoke exhaust ventilator " of Chinese patent ZL01213576.3, this patent has solved the problem that draught fan impeller is stained with oil smoke, but because also there is the too high shortcoming of waste gas oil content of discharging in structural imperfection, therefore air causes severe contamination to external world; The effect that collects cigarette and suction oil smoke in addition is also not ideal enough.

Summary of the invention

The purpose of this utility model is to overcome and solves defective of the prior art, and a kind of jet-type free unpicking and washing energy-saving fume exhauster is provided simultaneously, realizes that power is not subjected to fume pollution, suction discharging oil smoke more thorough, and reach province can, the purpose of laborsaving, environmental protection.

This purpose is to realize with following technical proposal: this jet-type free unpicking and washing energy-saving fume exhauster, and it comprises oil-collecting petticoat pipe, casing, blower fan and illuminating lamp, particularly described oil-collecting petticoat pipe places in the casing and with casing and constitutes the inner chamber of calming the anger.Be sealedly connected with the oil extraction smoke pipe in oil-collecting petticoat pipe upper end and also be inside exhaust pipe, the casing upper end is sealedly connected with air exhaust duct and also is outer blast pipe, inside and outside blast pipe mutual sheathing, the port outer wall of giving vent to anger of inside exhaust pipe is provided with annular outer and plays band, and it and air exhaust duct 7 constitute the jet puff prot.Blower fan places in the casing by carriage and supporting plate, and cover plate is provided with air inlet, and the air inlet and the external admission seal of tube join, and cover plate is connected with casing sealing; The supporting plate of blower fan is provided with oil filler point, is connected with grease conduits on the hole.In the inner chamber of calming the anger, be provided with the wind guide plate.Be respectively equipped with oil trap below the biside plate of casing and front panel, casing back side panel lower edge is two limits of del, is provided with oil guide groove and oil collection box thereon; The disconnected cross section of described oil trap is " L " type, oil guide groove is the skewed slot butt joint of " U " type or " V " type by two disconnected cross sections, joint is provided with oil drain out, and oil collection box places under the oil drain out, the rear end of the oil trap of casing biside plate below be overlapped on respectively oil guide groove about end.Be respectively equipped with the air curtain jet pipe on the biside plate of casing and the front panel, described air curtain jet pipe is by a kind of pipe or oblate pipe, also is provided with jet slit vertically and constitutes on the lower wall of its tube wall; This air curtain jet pipe is connected and fixed with casing by wireway and communicates with the inner chamber of calming the anger.Illuminating lamp places the outside of casing.

The utility model is compared with prior art: because reasonable in design, oil smoke is by the outside suction of blower fan, so do not suffer fume pollution inside and outside the impeller of blower fan, motor, illuminating lamp and the body substantially; In addition, the gdna contamination overwhelming majority is all very directly perceived on the body, and clean and maintenance is very simple and convenient, has really realized exempting to tear open, and the impeller balance is difficult for advantages such as impaired.Because reasonable in design, most oil are collected, and the waste gas oil content that discharges is low, and air pollution is little to external world; Even long-time use can be cleaned.Because reasonable in design makes that room air obtains in time replenishing, and not only helps health of human body, and room pressure is improved, the boiling point of water and oil also improves, and has both reduced the evaporation capacity of water and oil, has improved the operating efficiency of lampblack absorber simultaneously.

Description of drawings

Fig. 1 is the whole external and internal compositions connection diagram of the utility model.

Fig. 2 is that A-A among Fig. 1 embodiment is to cutaway view.

Fig. 3 is that A-A among Fig. 1 embodiment is to the another kind of version of cutaway view.

The specific embodiment

In conjunction with the accompanying drawings overall structure of the present utility model and operation principle thereof are described in detail:

As shown in Figure 1, described jet-type free unpicking and washing energy-saving fume exhauster, it comprises oil-collecting petticoat pipe 1, casing 2, blower fan 11, the oil-collecting petticoat pipe places interior its lower edge of casing and casing 2 to fit and sealed attachment constitutes the inner chamber 3 of calming the anger.Top, middle part at oil-collecting petticoat pipe 1 is provided with outlet flue, and this outlet flue and oil extraction smoke pipe also make the head end of inside exhaust pipe 6 be tightly connected, and its end is that outlet side insertion air exhaust duct also is in the outer blast pipe 7 promptly inside and outside blast pipe mutual sheathing.The top of casing 2 has two holes, the be tightly connected head end of outer blast pipe 7 of a hole, and outer blast pipe end stretches to outdoor, and its end has elbow, mouthful downwards in case down draught sand; Another hole and blower fan supporting plate and carriage 10 sealed attachment, wherein supporting plate and carriage are one, blower fan 11 is positioned on the carriage and together places in the casing, the air inlet of blower fan is located on the supporting plate, air inlet external air inlet pipe 15 head ends that are tightly connected, external air inlet pipe end places outdoor, and mouth down also keeps enough distances with outer blast pipe 7 end ports, in order to avoid suck waste gas; Be provided with air filter screen 16 in the blast pipe end outside.Described blower fan 11 be cfentrifugal blower it form by motor and impeller.The below of air blast is provided with pallet 12, and pallet is installed on the carriage, and its effect is the lubricating oil that collects the motor seepage.Be provided with oil filler point 13 on the supporting plate of blower fan, be connected with grease conduits 14 on the hole, two bearing lubrication to motor so that safeguard motor, increase the service life.Described inside exhaust pipe 6 and outer blast pipe 7 almost coaxials have enough big gap between the inwall of the outer wall of inside exhaust pipe 6 and outer blast pipe 7, and have several fulcrums or axial support bar to support to guarantee gap and relative position.Shown in Fig. 2,3, promptly the give vent to anger outer wall of port of inside exhaust pipe 6 ends is provided with annular outer and rises and be with 9, and this projection band is annular or gear shape, it and annular jet puff prot of inwall formation of outer blast pipe 7; In give vent to anger a port inner wall bottom or week be provided with circular arc internal projection 8 of inside exhaust pipe 6, this projection can prevent that the fluid of inside exhaust pipe 6 inwall condensations from being taken to the inwall of outer blast pipe 7 by air-flow.The inwall of the inside and outside wall of inside exhaust pipe 6 and outer blast pipe 7 is smooth cylinder.Inside exhaust pipe 6 can be circle or polygon with the cross section of outer blast pipe 7.Be provided with wind guide plate 4 in the described inner chamber 3 of calming the anger, the cool breeze that this wind guide plate aspirates into air blast is evenly distributed in the top of oil-collecting petticoat pipe, oil in the oil smoke is fully cooled back receive oil collection box, reduces the pollution of air to external world.Below the biside plate of casing 2 and front panel, be respectively equipped with oil trap 17; Two limits that casing back side panel lower edge is del constitute, and the lower edge is provided with oil guide groove 18 and oil collection box 20.The disconnected cross section of described oil trap 17 is " L " type, and oil guide groove 18 is the skewed slot butt joint of " U " type or " V " type by two disconnected cross sections, and joint has an oil drain out 19, and oil collection box 20 places the below of oil drain out.Described U type oil guide groove is that the del edge that stretch out casing 2 back side panel bottoms inwardly is bent upwards formation again; " L " type oil trap is to adopt iron sheet to process separately, is connected with casing biside plate lower edge then, wherein the rear end of oil trap 17 be overlapped on respectively oil guide groove 18 about hold.Device has air curtain jet pipe 22 respectively on the biside plate of casing 2 and front panel, and described air curtain jet pipe (22) is by a kind of pipe or oblate pipe, on the lower wall of its tube wall and be provided with jet slit vertically and constitute.Every air curtain jet pipe is connected and fixed with the corresponding site of casing by a wireway 21 at least and is communicated with the inner chamber 3 of calming the anger, and device has by-pass valve control 25 on the wireway of the air curtain jet pipe of plate in front.The same gas-sensing probe 24 that is equipped with on the front panel of casing with common lampblack absorber, illuminating lamp 23 places the outside of casing.Oil-collecting petticoat pipe 1 and inside exhaust pipe 6 all adopt heat conductivility preferably material make.Oil-collecting petticoat pipe upper surface is laid with the heater 5 of heating and insulation interlayer composition.

Operation principle: consult Fig. 1, start cfentrifugal blower 11, outdoor air is sucked and is compressed by external admission pipe 15 and draught fan impeller by air filter screen 16, stores up the inner chamber 3 of going into to calm the anger, and inner chamber 3 air pressure of calming the anger raise.At this moment, part pressure-air passes through the wireway 21 of three air curtain jet pipes respectively, wireway valve 25, the jet slit of air curtain jet pipe 22 sprays three road plane jets, form the vertical air curtain in three roads, they have surrounded the space of oil-collecting petticoat pipe 1 below with rear board, make oil smoke can not to around diffusion, and rise smoothly and inhaled, drain into outdoor.Another purposes of air curtain is to indoor additional fresh air.Another part pressure-air sprays and forms one annular jet from the annular jet puff prot through the gap of the passage on wind guide plate 4 left sides and inside exhaust pipe 6 and outer blast pipe 7.Because the effect of entrainmenting of jet, the inner air of this annular jet just drives near the air that inside exhaust pipe 6 ends give vent to anger the port and flows to the right together, this port of giving vent to anger produces negative pressure, this negative pressure forces the oil smoke air of oil-collecting petticoat pipe 1 below constantly to replenish, it is outdoor until being discharged to flow to inside exhaust pipe 6, produces oil suction cigarette effect.Simultaneously, because the wall attachment effect of jet, the inwall that one layer of air of this annular jet outer wall is attached at outer blast pipe 7 travels forward, form the cylindrical shape air diaphragms, soot gas is wrapped in middle and outdoor along pipeline flow-direction together, oil smoke and outer blast pipe 7 inwalls are isolated, safeguarded the cleaning of outer blast pipe 7.

When air blast 11 is calmed the anger inner chamber 3 with the outdoor fresh air introducing, the interior air of inner chamber of calming the anger outwards sprays from curtain jet pipe 22 and ring jet mouth, this moment, the airflow passes gap of inner chamber 3 and inside exhaust pipe 6 and outer blast pipe 7 of calming the anger made the wall of oil-collecting petticoat pipe 1 and inside exhaust pipe 6 obtain cooling off.Like this, make on the one hand high-temperature oil smoke be condensed into fluid at oil-collecting petticoat pipe 1 inwall and inside exhaust pipe 6 inwalls easily and flow to oil collection box 20, reduce the oil content in the combustion gas, reduce outdoor air and pollute; Reduce the temperature of oil smoke in oil-collecting petticoat pipe 1 and the inside exhaust pipe 6 on the other hand, make its volume contraction.After the oil smoke temperature reduced, the coefficient of viscosity decreased, and mobile the enhancing more helps being sucked away, discharging, and reduces the workload of smoke exhaust ventilator; Further reduce negative pressure in the flue, increased suction.Oil smoke is by the process of suction, and temperature continues to descend, and its coefficient of viscosity constantly reduces, and has then improved the operating efficiency of smoke exhaust ventilator.Just flow to oil trap 17 voluntarily during the Chuck Steak of oil-collecting petticoat pipe 1 and inside exhaust pipe 6 inwalls cohesion and be collected in oil collection box 20 through oil guide groove 18.When oil-collecting petticoat pipe and inside exhaust pipe inwall were stained with Chuck Steak because of it is cold, blower fan was cutting out, and can start heater 5, and oil-collecting petticoat pipe and inside exhaust pipe inwall are subjected to deep fat to flow into oil collection box, and heater 5 can be controlled by time switch.

Claims

1, a kind of jet-type free unpicking and washing energy-saving fume exhauster, it comprises oil-collecting petticoat pipe (1), casing (2), blower fan (11) and illuminating lamp (23), it is characterized in that the oil-collecting petticoat pipe places in the casing and casing constitutes the inner chamber (3) of calming the anger, be sealedly connected with the oil extraction smoke pipe in oil-collecting petticoat pipe upper end and also be inside exhaust pipe (6), the upper end of casing is sealedly connected with air exhaust duct and also is outer blast pipe (7), inside and outside blast pipe mutual sheathing, wherein the port outer wall of giving vent to anger of inside exhaust pipe (6) is provided with annular outer and plays band (9) and air exhaust duct (7) formation jet puff prot; Blower fan (11) places in the shell (2), is sealedly connected with external air inlet pipe (15) on the air inlet; Calm the anger and be provided with wind guide plate (4) in the inner chamber (3); Be respectively equipped with oil trap (17) at casing (2) biside plate and front panel below, the back side panel lower edge is two limits of del, is provided with oil guide groove (18) and oil collection box (20) thereon.

2, jet-type free unpicking and washing energy-saving fume exhauster according to claim 1 is characterized in that being respectively equipped with air curtain jet pipe (22) on the biside plate of casing (2) and front panel, and they are communicated with the inner chamber of calming the anger (3) by wireway (21) respectively.

3, jet-type free unpicking and washing energy-saving fume exhauster according to claim 1, the disconnected cross section that it is characterized in that described oil trap (17) is " L " type, oil guide groove (18) is formed by the skewed slot butt joint of two disconnected cross sections for " U " type or " V " type, joint is provided with oil drain out (19), the rear end of the oil trap (17) of casing biside plate below be overlapped on respectively oil guide groove (18) about end.

4, jet-type free unpicking and washing energy-saving fume exhauster according to claim 1, it is characterized in that blower fan (11) places in the casing (2) by carriage and supporting plate (10), its cover plate is provided with air inlet, and air inlet and external air inlet pipe (15) sealing are joined, and cover plate connects with casing sealing.

5, according to claim 1 or 4 described jet-type free unpicking and washing energy-saving fume exhausters, it is characterized in that on the supporting plate of blower fan, being provided with oil filler point (13), be connected with grease conduits (14) on the hole.

6, jet-type free unpicking and washing energy-saving fume exhauster according to claim 1 and 2 is characterized in that described air curtain jet pipe (22) is by a kind of pipe or oblate pipe, also is provided with jet slit vertically and constitutes on the lower wall of its tube wall.

7, jet-type free unpicking and washing energy-saving fume exhauster according to claim 1 is characterized in that illuminating lamp (23) places the outside of casing (2) housing.