CN101495814B - Range hood - Google Patents

Range hood Download PDF

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Publication number
CN101495814B
CN101495814B CN2007800279569A CN200780027956A CN101495814B CN 101495814 B CN101495814 B CN 101495814B CN 2007800279569 A CN2007800279569 A CN 2007800279569A CN 200780027956 A CN200780027956 A CN 200780027956A CN 101495814 B CN101495814 B CN 101495814B
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China
Prior art keywords
screen pack
smoke exhaust
exhaust ventilator
water
jet
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CN2007800279569A
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Chinese (zh)
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CN101495814A (en
Inventor
猪坂欣司
本田贵宽
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Publication of CN101495814A publication Critical patent/CN101495814A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2035Arrangement or mounting of filters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

A range hood having a hood with an airflow path, an air discharge fan provided in the airflow path, a filter provided in the airflow path, a cleaning casing for surrounding and covering an outer peripheral end of the filter, a nozzle having ejection openings facing the filter, a water supply section for supplying water to the nozzle, and a recovery section for recovering water scattered in the cleaning casing. The filter rotates about its center axis and has the outer peripheral end. The filter has an effective area for allowing air to pass through it to capture minute objects. The effective area has an inner peripheral end surrounding the center axis. The ejection openings are arranged on a predetermined line, from the inner peripheral end to outer peripheral end of the effective area of the filter. In the range hood, stain adhered to the filter can be removed without detaching the filter and degradation in air discharge performance is prevented.

Description

Smoke exhaust ventilator
Technical field
The present invention relates to a kind of smoke exhaust ventilator of removing as the screen pack of the small items of dirt in the air that has.
Background technology
Be that purpose is equipped with screen pack to be collected in the oil smoke that produces in the culinary art, flue dust etc. sometimes in the existing smoke exhaust ventilator.Because this screen pack can be piled up dirt in use, make the soakage of air reduce, perhaps produce oil dripping, therefore need regularly to clean.
Figure 19 is the structure chart of disclosed existing smoke exhaust ventilator 5001 in the patent documentation 1.The air 101 that comprises the wet goods dirt is by suction inlet 102 screen packs (filter) 104 of back by disposing in exhaust apparatus 103 the place aheads.After sensor 106 detected the dirt of screen pack 104, drive unit 105 made screen pack 104 rotations, utilizes centrifugal force to remove crude removal.
In existing smoke exhaust ventilator 5001, dirt accumulation only utilizes centrifugal force to be difficult to remove fully crude removal after drying on the screen pack 104.Thereby little by little screen pack 104 produces and stops up, and removes the ability drop of crude removal.
Figure 20 is the structure chart of disclosed another existing smoke exhaust ventilator 5002 in the patent documentation 2.Smoke exhaust ventilator 5002 has to be located at suction inlet 601 and to fan screen pack 603 between 602.Screen pack 603 can rotate around the rotating shaft 604 that approximate horizontal is extended.The ratio rotating shaft 604 of screen pack 603 is immersed in the cleaning fluid 605 that is accommodated in cleaning case 606 by the part of below.The ratio rotating shaft 604 of screen pack 603 by the part of top for the air that comprises dirts such as oil, flue dust by and make this dirt attached thereto.By making screen pack 603, the part that is attached with dirt is arranged in than rotating shaft 604 by the position of below and be immersed in cleaning fluid 605 and clean with rotating shaft 604 rotation.
In existing smoke exhaust ventilator 5002, behind cleaning and filtering net 603, dirt swims in cleaning fluid 605.The dirt that is swimming can be attached on the screen pack 603 once more, and screen pack 603 is contaminated gradually and produce obstruction, thereby the performance of smoke exhaust ventilator 5002 reduces.
Patent documentation 1: Japanese kokai publication hei 3-164639 communique
Patent documentation 2: Japanese kokai publication hei 6-137630 communique
Summary of the invention
Smoke exhaust ventilator of the present invention has: hood, and it has ventilating duct; Exhaust fan, it is located in the ventilating duct; Screen pack, it is located in the ventilating duct; Clean housing, its covering and the outer circumference end of surrounding screen pack; Nozzle, it has and the opposed a plurality of jets of screen pack; Water supply portion, it supplies with water to nozzle; And recoverer, it will be splashed to the water that cleans in the housing and reclaim.Screen pack rotates and has an outer circumference end around central shaft.Screen pack have for air by and catch the effective coverage of small items.This effective coverage has the interior Zhou Duan that surrounds central shaft.On the preset lines till a plurality of jets are arranged in from the interior Zhou Duan of the effective coverage of screen pack to outer circumference end.
This smoke exhaust ventilator does not unload screen pack and just can will remove attached to the dirt on the screen pack, thereby can prevent the exhaust performance deterioration.
Description of drawings
Fig. 1 is the structure chart of the smoke exhaust ventilator in the embodiments of the present invention 1.
Fig. 2 is the partial perspective view of the smoke exhaust ventilator in the embodiment 1.
Fig. 3 is the front view of the nozzle of the smoke exhaust ventilator in the embodiment 1.
Fig. 4 is the front view of the nozzle of the smoke exhaust ventilator in the embodiments of the present invention 2.
Fig. 5 is the front view of the nozzle of the smoke exhaust ventilator in the embodiments of the present invention 3.
Fig. 6 is the front view of the nozzle of the smoke exhaust ventilator in the embodiments of the present invention 4.
Fig. 7 is the vertical view of the nozzle of the smoke exhaust ventilator in the embodiments of the present invention 5.
Fig. 8 is the vertical view of the nozzle of the smoke exhaust ventilator in the embodiments of the present invention 6.
Fig. 9 is the major part structure chart of the smoke exhaust ventilator in the embodiments of the present invention 7.
Figure 10 is the front view of the nozzle of the smoke exhaust ventilator in the embodiment 7.
Figure 11 is the front view of other nozzles of the smoke exhaust ventilator in the embodiment 7.
Figure 12 is the front view of a nozzle again of the smoke exhaust ventilator in the embodiment 7.
Figure 13 is the front view of the another nozzle of the smoke exhaust ventilator in the embodiment 7.
Figure 14 A is the front view of the another nozzle of the smoke exhaust ventilator in the embodiment 7.
Figure 14 B is the enlarged drawing of the nozzle shown in Figure 14 A.
Figure 15 is the structure chart of the smoke exhaust ventilator in the embodiments of the present invention 8.
Figure 16 is the major part structure chart of the smoke exhaust ventilator in the embodiment 8.
Figure 17 is the major part structure chart of the smoke exhaust ventilator in the embodiments of the present invention 9.
Figure 18 is the major part structure chart of other smoke exhaust ventilators in the embodiment 9.
Figure 19 is the structure chart of existing smoke exhaust ventilator.
Figure 20 is the structure chart of other existing smoke exhaust ventilators.
Label declaration
1: suction inlet; 2: hood; 4: ejiction opening; 5: exhaust fan; 7: ventilating duct; 9A: central shaft; 10: screen pack; 10C: effective coverage; 11: clean housing; 12: jet; 12A: jet; 12B: jet; 12C: jet; 12D: jet; 13: interior Zhou Duan; 14: outer circumference end; 15: nozzle; 15A: nozzle; 15B: nozzle; 15C: nozzle; 18: water supply portion; 20: recoverer; 201A: circle; 201B: circle; 212: jet (first jet); 212A: jet (the 3rd jet); 212B: jet (the 4th jet); 213: jet (second jet); 213A: jet (the 5th jet); 501: suction inlet; 502: hood; 504: ejiction opening; 506: exhaust fan; 507: ventilating duct; 510: clean housing; 511: screen pack; 517: nozzle; 512: cleaning case; 517: nozzle; 517A: nozzle; 519: water supply portion; 520: adding set; 521: heater; 530: jet; 530A: jet; 540: control part.
The specific embodiment
(embodiment 1)
Fig. 1 is the structure chart of the smoke exhaust ventilator 1001 in the embodiments of the present invention 1.Fig. 2 is the partial perspective view of smoke exhaust ventilator 1001.Hood 2 is arranged at the top of cooking pot 701, has the suction inlet 1 of collection by the cooking pot oil smoke that is produced in culinary art and the flue dust around that swims.Hood 2 have via with the room outside the pipeline 3 that is communicated be communicated to the ejiction opening 4 of ceiling.Hood 2 inside are equipped with the air-supply housing 6 of taking in exhaust fan 5, and are formed with the ventilating duct 7 that connects suction inlet 1 and ejiction opening 4 via exhaust fan 5.Be provided with smooth cowling panel 8 near the air entry 1 in the hood 2.Exhaust fan 5 former configuration have screen pack 10, and this screen pack 10 has collects a plurality of hole 10B oily and that flue dust also passes through for air.Drive division 9 is connected on the screen pack 10.The cleaning housing 11 of tubular covers and surrounds the outer circumference end 14 of the circle of screen pack 10.In fact nozzle cylindraceous 15 separates fixed range and parallel opposed with the surperficial 10A of screen pack 10, and flatly extends to the outer circumference end 14 of screen pack 10 from interior week end 13 of the effective coverage 10C of screen pack 10.In week end 13 be to surround central shaft 9A and be the circumference at center with central shaft 9A.Nozzle 15 is connected with supply-water pump 17 with water storage device 16 and forms water supply portion 18.The bottom of cleaning housing 11 is provided with hole 19.Be splashed to the contaminated water that cleans in the housing 11 and from hole 19, discharge, be recycled in the recoverer 20.Screen pack 10 can rotate with respect to the central shaft 9A vertical with surperficial 10A, and has disc-shape, yet shape is not limited thereto.
Fig. 3 is the front view from screen pack 10 observed nozzles 15.Screen pack 10 have for air by and play the effective coverage 10C of the filtering function that can catch small items.Effective coverage 10C has the interior all ends 13 that surround central shaft 9A.On nozzle 15, be provided with preset lines be form a line on the straight line and with the opposed a plurality of jets 12 of the surperficial 10A of screen pack 10.Nozzle 15 in fact flatly extends, thereby a plurality of jet 12 in fact flatly disposes.
Oil that is produced by cooking pot 701 during culinary art and indoor flue dust etc. are inhaled in the hood 2 from the suction inlet 1 around the cowling panel 8 with air by the running of exhaust fan 5 as the small items of dirt, arrive the surperficial 10A of screen pack 10.The small items that is sucked is collected and lodges on the screen pack 10 that is provided with in ventilating duct 7.The air that has been removed small items is discharged to outside the room by pipeline 3 from ejiction opening 4 by means of exhaust fan 5.Attached to flue dust particularly in the small items on the screen pack 10, owing to enter into the hole 10B of screen pack 10 and intricately tangle up and be difficult to very much remove mutually.This flue dust promotes oil to adhere on screen pack 10, stops up the hole 10B of screen pack 10, and the amount of the air of discharge is descended.
In smoke exhaust ventilator 1001, the cleaning and filtering net 10 in the following way.At first, make screen pack 10 rotations, extract out and supply nozzle 15 by the water that supply-water pump 17 will be stored in the water storage device 16 by drive division 9.The water that supply comes ejects sharp from the jet 12 of nozzle 15, with the surperficial 10A collision of screen pack 10 in small items is peeled off, during the hole of the water that ejects by screen pack 10 tangle up and the flue dust that accumulates are also removed in the lump, and splashed away from screen pack 10 because of the centrifugal force that rotation produces by means of screen pack 10.The water that splashes arrives to the cleaning housing 11 of the outer circumference end 14 that covers screen pack 10 and is collected, and collected water is discharged from hole 19 and reclaimed by recoverer 20.Thereby, under the state that does not unload each parts, just the small items as dirt that is attached on the screen pack 10 can be removed.
A plurality of jets 12 form a line, and the high speed water that ejects from jet 12 is sprayed onto screen pack 10 and removes crude removal.Since a plurality of jets 12 be arranged in from the effective coverage 10C of screen pack 10 interior week end 13 till the outer circumference end 14, and eject high speed water simultaneously, therefore not only on screen pack 10, to move attached to the small items on the screen pack 10, but can peel off, thereby cleaning and filtering net 10 neatly easily from screen pack 10.
The hole 10B of screen pack 10 forms by punching (punching), have round-shaped, yet be not limited thereto, for mesh-shaped or long hole shape also have same effect.
The surperficial 10A of nozzle 15 and screen pack 10 is the extension of corresponding also along continuous straight runs at a distance of preset distance ground.Nozzle 15 also can be not limited to along continuous straight runs and extend, and also can vertically extend with tilted direction.Nozzle 15 is opposed at a distance of preset distance ground with the surperficial 10A of screen pack 10, and holds 13 till outer circumference end 14 extends to outer circumference end 14 from the interior all of effective coverage 10C of screen pack 10.
(embodiment 2)
Fig. 4 is the front view of the nozzle 15A of the smoke exhaust ventilator in the embodiments of the present invention 2.In Fig. 4, the part identical with smoke exhaust ventilator 1001 in the embodiment 1 shown in Fig. 1~Fig. 3 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator in the embodiment 2 has the nozzle 15 that nozzle 15A replaces the smoke exhaust ventilator 1001 in the embodiment 1.
Nozzle 15A and screen pack 10 is opposed and be provided with a plurality of jet 12A at a distance of preset distance ground, and these jets 12A is arranged in and holds 13 interior week on the wave of outer circumference end 14 till the outer circumference end 14 from the effective coverage 10C of screen pack 10.When cleaning and filtering net 10, the water that supplies to nozzle 15A sprays to the direction of the amplitude increase of wave at high speed from a plurality of jet 12A that are arranged on the wave.The water that ejects flows to the direction of the collision impetus and the increase of wave amplitude, comes cleaning and filtering net 10.Because a plurality of jet 12A arrange at nozzle 15A upper edge wave, therefore to compare with situation along straight line configuration, the interval of jet 12A increases.Thus, the impetus of the water that ejects from a plurality of jet 12A can not cancelled out each other, and be enlarged, and the surperficial 10A of water and screen pack 10 is bumped by interference-free mutually.Thereby, in the smoke exhaust ventilator in embodiment 2, can be with the water of less amount, shorter time, cleaning and filtering net 10 efficiently.
(embodiment 3)
Fig. 5 is the front view of the nozzle 15B of the smoke exhaust ventilator in the embodiments of the present invention 3.In Fig. 5, the part identical with smoke exhaust ventilator 1001 in the embodiment 1 of Fig. 1~shown in Figure 3 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator in the embodiment 3 has the nozzle 15 that nozzle 15B replaces the smoke exhaust ventilator 1001 in the embodiment 1.
The surperficial 10A of nozzle 15B and screen pack 10 is opposed and be provided with a plurality of jet 12B at a distance of preset distance ground, these jets be arranged in from the effective coverage 10C of screen pack 10 hold in interior week 13 towards outer circumference end 14 on the straight line till the outer circumference end 14.The area of a plurality of jet 12B is from interior all ends 13 of the effective coverage 10C of screen pack 10, and is big more the closer to outer circumference end 14.That is, hold 13 from the interior all of effective coverage 10C of screen pack 10, be positioned at locational jet 12B near outer circumference end, have big more area.
Screen pack 10 holds near the area 13 a lot of greatly near the area the outer circumference end 14 than week in the 10C of effective coverage.The area of a plurality of jet 12B is from interior all ends 13 of the effective coverage 10C of screen pack 10, big more towards outer circumference end 14 more, therefore can make the water yield of spraying than near the part interior all ends 13 of effective coverage 10C to the water yield that near the part the outer circumference end 14 of screen pack 10 is sprayed bigger from jet 12B, thereby the outer circumference end 14 of cleaning and filtering net 10 fully, the cleaning and filtering net 10 equably.Thereby, in the smoke exhaust ventilator of embodiment 3, can not produce wash residue in screen pack 10 outer circumference end 14, need not repeatedly to clean repeatedly, like this can be with short period cleaning and filtering net 10.
In addition, a plurality of jet 12B also can be arranged on the wave in the same manner with a plurality of jet 12A in the embodiment 2 shown in Figure 4.
(embodiment 4)
Fig. 6 is the front view of the nozzle 15C of embodiments of the present invention 4 described smoke exhaust ventilators.In Fig. 6, the part identical with smoke exhaust ventilator 1001 in the embodiment 1 shown in Fig. 1~Fig. 3 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator in the embodiment 4 has the nozzle 15 that nozzle 15C replaces the smoke exhaust ventilator 1001 in the embodiment 1.
The surperficial 10A of nozzle 15C and screen pack 10 is opposed and be provided with a plurality of jet 12C at a distance of preset distance ground, these jets 12C be arranged in from the effective coverage 10C of screen pack 10 hold in interior week 13 towards outer circumference end 14 on the straight line till the outer circumference end 14.The interval of the jet adjacent one another are among a plurality of jet 12C is from interior all ends 13 of the effective coverage 10C of screen pack 10, and is narrow more towards outer circumference end 14 more.That is jet 12C is positioned near on the position of outer circumference end 14 from interior all ends 13 of the effective coverage 10C of screen pack 10, and the interval of jet 12C adjacent one another are is narrow more.
By a plurality of jet 12C are so disposed, make that near the part the outer circumference end 14 of screen pack 10 is more sprayed water outlet in the concentrated area than near the part 13 of holding in interior week of effective coverage 10C from jet 12C.By concentrating the water eject, need not to increase near the just part of the outer circumference end 14 of cleaning and filtering net 10 reliably of the water yield.Thereby, need not to increase to nozzle 15C and supply with just cleaning and filtering net 10 reliably of the supply-water pump 17 of water or flexible pipe, therefore can reduce the cost of smoke exhaust ventilator, and make that screen pack 10 increases, the raising exhaust efficiency.
In addition, a plurality of jet 12C also can with a plurality of jet 12A in the embodiment 2 shown in Figure 4 in the same manner, be arranged on the wave.In addition, a plurality of jet 12C also can with a plurality of jet 12B in the embodiment 3 shown in Figure 5 in the same manner, it is different mutually to form area.
(embodiment 5)
Fig. 7 is the vertical view of the smoke exhaust ventilator in the embodiments of the present invention 5.In Fig. 7, the part identical with smoke exhaust ventilator in the embodiment 1~4 of Fig. 1~shown in Figure 6 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator in the embodiment 5 has among nozzle 15 in the embodiment 1~4,15A, 15B, the 15C.
Make the speed 30 of the water that sprays to the surperficial 10A of screen pack 10 from a plurality of jets 12 (12A, 12B, 12C) of nozzle 15 (15A, 15B, 15C), from interior week end 13 of the effective coverage 10C of screen pack 10, more little towards outer circumference end 14 more.That is, hold 13 from the interior all of effective coverage 10C of screen pack 10, jet 12 (12A, 12B, 12C) is positioned near on the position of outer circumference end 14, and the speed of the water of its injection is more little.
In order to form the hole 10B of screen pack 10 with punching, screen pack 10 is formed by metal sheets such as the aluminium sheet that can easily process, iron plates.Hold 13 to compare outer circumference end 14 easier power flexural deformations with the interior all of effective coverage 10C of the screen pack 10 that is connected with drive division 9 because of being applied in towards surperficial 10A direction.By making from the speed 30 of a plurality of jets 12 (12A, 12B, 12C) to the water of the surperficial 10A injection of screen pack 10, more little towards outer circumference end 14 more from interior week end 13 of the effective coverage 10C of screen pack 10, thus prevented the distortion of screen pack 10 and the cleaning performance of screen pack 10 is descended.Thereby, can suppress vibration and sound that the distortion because of screen pack 10 causes, thereby can prevent to make drive division 9 overloads because of the destruction and the vibration of screen pack 10.
(embodiment 6)
Fig. 8 is the vertical view of embodiments of the present invention 6 described smoke exhaust ventilators.In Fig. 8, the part identical with smoke exhaust ventilator in the embodiment 1~5 of Fig. 1~shown in Figure 7 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator in the embodiment 6 has nozzle 15E and replaces nozzle 15,15A, 15B, 15C in the embodiment 1~4.Nozzle 15E be provided with surperficial 10A with screen pack 10 separate predetermined space and with the opposed jet 12 of surperficial 10A (12A, 12B, 12C).
As shown in Figure 8, nozzle 15E has the section that is actually triangle, and this section has the limit 41 that parallels with the surperficial 10A of screen pack 10 and is positioned at respect to the summit 40 of limit 41 with screen pack 10 opposition sides.The surperficial 10A of this section and screen pack 10 meets at right angles.The interior angle on the summit 40 of preferred this triangle is an acute angle.On limit 41, be provided with a plurality of jets 12 (12A, 12B, 12C).
Because it is that therefore when using smoke exhaust ventilator, minim is known from experience and met nozzle 15E in the ventilating duct 7 that passes through of the air of small items that nozzle 15E is arranged on for comprising dirt.Because nozzle 15E has and is actually leg-of-mutton section, therefore can not hinder flowing of air in the ventilating duct 7, small items is difficult for being attached on the nozzle 15E, therefore need not washer jet 15E.Because the section with shape like this, nozzle 15E carries out rectification and it is passed through the air that flows through ventilating duct 7, therefore can suppress aeration resistance, can not reduce the air capacity by ventilating duct 7.
Also the speed of the water that ejects from a plurality of jets 12 (12A, 12B, 12C) can be set at identical with smoke exhaust ventilator the embodiment 5.
(embodiment 7)
Fig. 9 is the major part structure chart of the smoke exhaust ventilator 1002 in the embodiment 7.Figure 10 is the front view of the nozzle 115 of smoke exhaust ventilator 1002.In Fig. 9 and Figure 10, the part identical with smoke exhaust ventilator 1001 in the embodiment 1 of Fig. 1~shown in Figure 3 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator 1002 shown in Figure 10 has the nozzle 15 that nozzle 115 replaces the smoke exhaust ventilator 1001 of Fig. 1~shown in Figure 3.Figure 10 is the front view from screen pack 10 observed nozzles 115, nozzle 115 has a plurality of jets 12 in the same manner with nozzle 15 shown in Figure 3, and these jets 12 are that straight line is configured to row in the preset lines of interior week end 13 till the outer circumference end 14 from the effective coverage 10C of screen pack 10.Nozzle 115 is positioned at the below of central shaft 9A, in fact flatly extends.A plurality of jets 12 are in fact flatly arranged.Thus, nozzle 115 has and the identical effect of nozzle 15 in the embodiment shown in Figure 31.
Figure 11 is the front view of other nozzles 115A of the smoke exhaust ventilator in the embodiment 7.In Figure 11, the part identical with smoke exhaust ventilator in the embodiment 2 shown in Figure 4 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator shown in Figure 11 has the nozzle 15A that nozzle 115A replaces smoke exhaust ventilator shown in Figure 4.Figure 11 is the front view from screen pack 10 observed nozzle 115A.It is a plurality of jet 12A that wave is configured to row that nozzle 115A and nozzle 15A shown in Figure 4 have in the preset lines of interior week end 13 till the outer circumference end 14 from the effective coverage 10C of screen pack 10 in the same manner.Nozzle 115A is positioned at the below of central shaft 9A, in fact flatly extends.Thus, nozzle 115A have with embodiment shown in Figure 42 in the identical effect of nozzle 15A.
Figure 12 is the front view of the another nozzle 115B of the smoke exhaust ventilator in the embodiment 7.In Figure 12, the part identical with embodiment 3 described smoke exhaust ventilators shown in Figure 5 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator shown in Figure 12 has the nozzle 15B that nozzle 115B replaces smoke exhaust ventilator shown in Figure 5.Figure 12 is the front view from screen pack 10 observed nozzle 115B.Nozzle 115B and nozzle 15B shown in Figure 5 have set the area of a plurality of jet 12B in the same manner.Nozzle 115B is positioned at the below of central shaft 9A, in fact flatly extends.Thus, nozzle 115B have with embodiment shown in Figure 53 in the identical effect of nozzle 15B.
Figure 13 is the front view of the another nozzle 115C of the smoke exhaust ventilator in the embodiment 7.In Figure 13, the part identical with smoke exhaust ventilator in the embodiment 4 shown in Figure 6 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator shown in Figure 13 have nozzle 115C replace Fig. 6 shown in the nozzle 15C of smoke exhaust ventilator.Figure 13 is the front view from screen pack 10 observed nozzle 115C.Nozzle 115C and nozzle 15C shown in Figure 6 have set the distance between a plurality of jet 12B in the same manner.Nozzle 115C is positioned at the below of central shaft 9A, in fact flatly extends.Thus, nozzle 115C have with embodiment shown in Figure 64 in the identical effect of nozzle 15C.
Figure 14 is the front view of a nozzle 115D again of the smoke exhaust ventilator in the embodiment 7.In Figure 14 A, the part identical with Fig. 9 and smoke exhaust ventilator shown in Figure 10 1002 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator shown in Figure 14 A replaces the nozzle 115 of smoke exhaust ventilator 1002 and has nozzle 115D.Figure 14 A is the front view from screen pack 10 observed nozzle 115D.
Nozzle 115D and nozzle 15 shown in Figure 3 have from interior week end 13 of the effective coverage 10C of screen pack 10 and are aligned to a plurality of jet 12D till the outer circumference end 14 in the same manner.A plurality of jet 12D comprise a plurality of jets 212,213, and these jets 212,213 are that straight line is configured to row in the preset lines of interior week end 13 till the interior week end 14 from the effective coverage 10C of screen pack 10.Nozzle 115D is positioned at the below of central shaft 9A, in fact flatly extends.A plurality of jets 212,213 are in fact flatly arranged.A plurality of jets 212 are configured on the in fact horizontally extending straight line 214.A plurality of jets 213 be configured in fact with the horizontally extending abreast straight line 215 of straight line 214 on.
Configuration to a plurality of jets 212,213 describes.Figure 14 B is the enlarged drawing of the nozzle 115D shown in Figure 14 A.Jet 213 is respectively and adjacent jet 212 inboard tangent and be between the concentric circles at center with central shaft 9A.
Configuration to a plurality of jets 212,213 is elaborated.As shown in Figure 14B, a plurality of jets 212 comprise adjacent jet 212A, 212B, and a plurality of jets 213 comprise jet 213A.It is the concentric circles at center that circle 201A, 201B are with central shaft 9A.201A, 201B are tangent with jet 212A, 212B part 1212A respect to one another, 1212B respectively for circle.That is, jet 212A and circle 201A inscribe, jet 212B is circumscribed with circle 201B.Jet 213A is between circle 201A, 201B.In addition, jet 212A, 212B respectively with round 202A, 202C relative (subtend The Ru) on the surperficial 10A that is positioned at screen pack 10, jet 213A is relative with round 202B on the surperficial 10A that is positioned at screen pack 10. Circle 202A, 202B, 202C are to be the concentric circles at center with central shaft 9A.Circle 202B is between circle 202A and circle 202C.Jet 212C, the 212A of a plurality of jets 212,212B are mutually continuous, and jet 212C, 212A are adjacent one another are.Jet 213A, 213B in a plurality of jets 213 are adjacent one another are.Jet 212A, 212C are positioned at the above-mentioned position of jet 212A, 212B, 213A with jet 213B and concern identical position.
The a plurality of jets 212 that are arranged on the straight line 214 can't be configured tangent to each otherly.Structure as mentioned above, by a plurality of jets 213 be arranged on the straight line 215 different with straight line 214 are set again, seamlessly eject water to from jet 212,213 on the surperficial 10A of screen pack 10, can improve the density of injected part, can wash out reliably attached to the small items such as dirt on the screen pack 10.
The also speed of the water that the nozzle 115 from the embodiment 7 shown in Figure 10 to Figure 14 B, 115A, 115B, a plurality of jets 12 of 115C, 115D, 12A, 12B, 12C, 12D can be ejected is set at identical with smoke exhaust ventilator in the embodiment shown in Figure 75.Thus, can access the effect identical with embodiment shown in Figure 75.
Also can be set at the section shape of the nozzle 115 in the embodiment 7 shown in Figure 10 to Figure 14 B, 115A, 115B, 115C, 115D identical with the smoke exhaust ventilator of embodiment shown in Figure 86.Thus, can access the effect identical with embodiment shown in Figure 86.
(embodiment 8)
Figure 15 is the structure chart of the smoke exhaust ventilator 1003 in the embodiments of the present invention 8.Figure 16 is the major part structure chart of smoke exhaust ventilator 1003.
Hood 502 is positioned at the top of cooking pot 801.Lower surface at hood 502 has the suction inlet 501 that is used to collect the oil smoke that is produced by cooking pot 801 and the flue dust around that swims.Hood 502 have via with the room outside the pipeline 503 that is communicated be communicated to the ejiction opening 504 of ceiling.Take in air-supply housing 505 in the hood 502, taken in the exhaust fan 506 that engages with drive motor 508 in the air-supply housing 505.And be formed with the ventilating duct 507 that connects suction inlet 501 and ejiction opening 504 via exhaust fan 506 in the air-supply housing 505.Be provided with cowling panel 509 near the air entry 501 in the hood 502.Dispose the cleaning housing 510 of possess hydrophilic property in the ventilating duct 507.Clean in the housing 510 and taken in the cleaning case 512 of possess hydrophilic property and the screen pack 511 of possess hydrophilic property.Cleaning case 512 is removable.Screen pack 511 is disposed at the place ahead of exhaust fan 506, and is fixedly connected on the rotating shaft of drive motor 513.The oil smoke that contains in the air that screen pack 511 is collected by ventilating duct 507, flue dust etc. are as the small items of dirt.Clean housing 510, cleaning case 512 and screen pack 511 and implement hydrophilic treated.Water supply portion 519 constitutes by water supply installation 514, nozzle 517 with the feed pipe 515 that nozzle 517 is connected to water supply installation 514 usefulness.Water supply installation 514 has Xiang Shuizhong and adds the adding set 520 of the cleaning agent that makes oil decomposition and the heater 521 of this water of heating.The bottom of cleaning housing 510 forms porose 510A.The bottom of air-supply housing 505 forms porose 505A.The below of hole 505A, 510A is provided with container 518.
Cook the small items as dirt such as the oil smoke of generation and flue dust by cooking pot 801, by making drive motor 508 runnings and drive exhaust fan 506 and be drawn in the hood 502, and be collected on the screen pack 511 by suction inlet 501 from hood 502.At this moment, screen pack 511 not be stored in cleaning case 512 in water contact.Exhaust fan 506 is stopped, and cleaning and filtering net 511 as described below is also peeled off the small items of collecting from screen pack 511.Make cleaning case 512 upward D1 move, and in water, add neutral cleaners by adding set 520, this water is heated to 50 ℃ temperature by heater 521.To contain neutral cleaners and the water that has been heated supplies to cleaning case 512 and is stored in the cleaning case 512 from feed water inlet 516 by water supply installation 514.Under screen pack 511 is immersed in state in the water that is stored in the cleaning case 512, make screen pack 511 rotations by drive motor 513.
By cleaning case 512 is moved, can reduce throughput minimizing and noise rising that cleaning case 512 causes.And then, be positioned at position beyond the ventilating duct by making cleaning case 512, can prevent that small items as dirt is attached on the cleaning case 512.
Comprise animal oil attached to the small items on the screen pack as dirt.The melting point of animal oil is higher, greatly about about 50 ℃.Thereby, can melt animal oil by the water that sprays 50 ℃ to screen pack 511, can in 1 year, (comprise the winter that temperature is lower) cleaning and filtering net 511 more well.Peel off from screen pack 511 easily owing to the hydrophily of screen pack 511 attached to the small items on the screen pack 511.Screen pack 511 is immersed in 50 ℃ the water that contains neutral cleaners the scheduled time and makes its rotation, thus cleaning and filtering net 511.Then, cleaning case 512 is moved downwards, the water that is stored in the cleaning case 512 is discharged from the hole 510A that cleans housing 510 bottoms.Can make the inside of cleaning case 512 dry and keep clean by driving air stream that exhaust fan 506 produced, can need not to clean cleaning case 512.When discharge water and when making cleaning case 512 dry, have the small items of having peeled off and temporarily take place once more attached to the situation on the screen pack 511.
The small items that adheres to is once more removed from screen pack 511 as described below.Added cleaning agent and be heated to 50 ℃ water by heater 521 by adding set 520 and supplied to nozzle 517 from water supply installation 514.Nozzle 517 has and screen pack 511 opposed a plurality of jets 530, and the water that supplies to nozzle 517 is ejected on the screen pack 511 from jet 530.After making screen pack 511 rotation by drive motor 513,, and be recycled to water and clean in the housing 510 because the power and the centrifugal force of the water that ejects peeled off from screen pack 511 attached to the small items on the screen pack 511 once more.Clean the inner surface possess hydrophilic property of housing 510, therefore the small items that peels off flows downwards with water, drops onto in the container 518 as recoverer via hole 510A and reclaims.Not attached on the screen pack 511 as the small items of dirt attached on the exhaust fan 506, it is recycled to the inner surface of air-supply housing 505 by means of the centrifugal force that rotation produced by exhaust fan 506 and flows downwards, drops onto in the container 518 via hole 505A to be recovered.
Control part 540 according to attached on the screen pack 511 as the amount of the small items of dirt with apart from time of a preceding cleaning and filtering net 511, control water supply portion 519 supplies with amount and the rotary speed of time, screen pack 511 and exhaust fan and the moving of rotational time and cleaning case 512 of water to cleaning case 512 and nozzle 517.Thus, the amount of water and the rotational time optimization of drive division can be made, the smoke exhaust ventilator 1003 of operating cost can be obtained to suppress.
The moving direction of cleaning case 512 is not limited to vertical direction, and is different according to the collection performance of purposes and demand, can move to horizontal direction or tilted direction yet.
Be not only to adopt mobile cleaning case 512 and the method for moving filter net 511 not, but have identical effect under the situation that screen pack 511 is moved yet.
Cleaning housing 510, screen pack 511, cleaning case 512 are handled by hydrophobic had hydrophobicity.After exhaust fan 506 is stopped, making screen pack 511 rotations by drive motor 513.Because screen pack 511 has hydrophobicity, therefore splash with water attached to the small items on the screen pack 511, can prevent that it is bonded on the screen pack 511 firmly.To contain cleaning agent and be heated to 50 ℃ water and be stored into the cleaning case 512 via feed water inlet 516 from water supply installation 514.Cleaning case 512 is moved upward, under screen pack 511 is immersed in state in the water that is stored in the cleaning case 512, makes screen pack 511 rotations by drive motor 513, thereby small items is easily peeled off from screen pack 511.Then, cleaning case 512 is moved downwards, the water of storage is discharged from the hole 510A that cleans housing 510 bottoms.Then, the air stream that is produced by means of driving exhaust fan 506 can make the inside drying of cleaning case 512.When discharge water and when making cleaning case 512 dry, have the small items of having peeled off and temporarily take place once more attached to the situation on the screen pack 511.
The small items that adheres to once more is removed from screen pack 511 as described below.Contain cleaning agent and be heated to 50 ℃ water and be supplied to nozzle 517 and be ejected on the screen pack 511, make screen pack 511 rotations by drive motor 513 simultaneously from water supply installation 514.The centrifugal force that produces of the pressure of the water that is ejected attached to the small items on the screen pack 511 and rotation is peeled off from screen pack 511 once more, and is recycled to water and cleans in the housing 510.The inner surface that cleans housing 510 has hydrophobicity, and therefore the small items that reclaims flows downwards with water, drops onto in the container 518 via hole 505A, the 510A of bottom.Not attached on the screen pack 511 as the small items of dirt attached on the exhaust fan 506.The centrifugal force that is produced by exhaust fan 506 self rotation attached to the small items on the exhaust fan 506 is recycled in the air-supply housing 505 and flows downwards, drops onto in the container 518 via hole 505A to be recovered.
In addition, a plurality of jets 12,12A, 12B, 12C or the 12D of the smoke exhaust ventilator in a plurality of jets 530 by making nozzle 517 and the embodiment 1~7 shown in Fig. 1~Figure 14 B similarly dispose, thereby obtain the effect identical with embodiment 1~7, the cleaning and filtering net 511 effectively.
(embodiment 9)
Figure 17 is the major part structure chart of the smoke exhaust ventilator 1003 in the embodiments of the present invention 9.In Figure 17, the part identical with smoke exhaust ventilator 1003 in Figure 15 and the embodiment 8 shown in Figure 16 is marked with identical reference symbol and omits repeat specification.Smoke exhaust ventilator 1003 in the embodiment 9 has the nozzle 517 that nozzle 517A replaces the smoke exhaust ventilator 1003 in the embodiment 8.Nozzle 517A is disposed in the cleaning case 512, has and screen pack 511 opposed a plurality of jet 530A.
In smoke exhaust ventilator 1003, contain cleaning agent and be heated to 50 ℃ water and be ejected on the screen pack 511 via feed pipe 515 and then from nozzle 517A, and be stored in the cleaning case 512 from water supply portion 519.That is, by spray water outlet from nozzle 517A, can supply with water to cleaning case 512, can access have simple structure, small-sized and smoke exhaust ventilator 1003 cheaply.
Because nozzle 517A possess hydrophilic property, therefore the small items as dirt that adheres to when cleaning and filtering net 511 is discharged downwards with water, can keep the state of nozzle 517A cleaning.
Figure 18 is the major part structure chart of other smoke exhaust ventilators 1004 in the embodiment 9.In Figure 18, the part identical with smoke exhaust ventilator 1002 in the embodiment 7 shown in Fig. 9~14B is marked with identical reference symbol and omits repeat specification.In smoke exhaust ventilator shown in Figure 17 1003, nozzle 517A vertically is disposed in the cleaning case 512 that covers screen pack 511 parts.In smoke exhaust ventilator shown in Figure 180 1004, cleaning case 512A is arranged on the downside that cleans housing 11, makes being impregnated among this cleaning case 512A by the part of downside than central shaft 9A of screen pack 10.Cleaning case 512A has the function of the structure identical with cleaning case shown in Figure 17 512.Nozzle 115 (115A, 115B, 115C, 115D) in fact flatly extends, and is located at the edge part of the inboard, upper end of cleaning case 512A.Thus, can obtain with embodiment 7 in smoke exhaust ventilator 1002 effect identical with smoke exhaust ventilator shown in Figure 17 1003, and then can easily check nozzle 115 (115A, 115B, 115C, 115D).
Utilizability on the industry
The no Xu Xie Xia of the smoke exhaust ventilator of Zhong of the present invention screen pack just can be removed the Wu Wu that is attached on the screen pack, can prevent the deterioration of exhaust performance, can be applicable to the air interchanger of the place Zhong of the maintaining difficulty that is arranged on screen pack.

Claims (27)

1. a smoke exhaust ventilator is characterized in that,
This smoke exhaust ventilator has:
Hood, it has ventilating duct, and described ventilating duct is formed at from suction and contains the suction inlet of air of small items till the discharge opening;
Exhaust fan, it is located in the described ventilating duct;
Screen pack, it is located in the described ventilating duct, with respect to central shaft rotation and have outer circumference end, described screen pack have for described air by and catch the effective coverage of described small items, described effective coverage has the interior Zhou Duan that surrounds described central shaft;
Clean housing, its covering and the described outer circumference end of surrounding described screen pack;
Nozzle, it has and the opposed a plurality of jets of described screen pack;
Water supply portion, it supplies with water to described nozzle; With
Recoverer, its water that will be splashed in the described cleaning housing reclaims,
On the preset lines till described a plurality of jet is arranged in from Zhou Duan in the described effective coverage of described screen pack described to described outer circumference end,
The water yield of spraying near the part of the described a plurality of jets described outer circumference end of described screen pack is bigger than near the water yield of the injection of the part the interior Zhou Duan of described effective coverage.
2. smoke exhaust ventilator according to claim 1 is characterized in that,
Described a plurality of jet is arranged on the straight line.
3. smoke exhaust ventilator according to claim 1 is characterized in that,
Described a plurality of jet is arranged on the wavy line.
4. smoke exhaust ventilator according to claim 1 is characterized in that,
In described a plurality of jet, the described interior Zhou Duanqi from described screen pack is positioned at the locational jet near described outer circumference end, and area is big more.
5. smoke exhaust ventilator according to claim 1 is characterized in that,
In described a plurality of jet, Zhou Duanqi in described screen pack described is positioned at the locational jet near described outer circumference end, and the interval in described a plurality of jets between the jet adjacent one another are is narrow more.
6. smoke exhaust ventilator according to claim 1 is characterized in that,
In described a plurality of jet, Zhou Duanqi in described screen pack described is positioned at the locational jet near described outer circumference end, and the speed of the water that ejects from described a plurality of jets is more little.
7. according to each described smoke exhaust ventilator in the claim 1 to 6, it is characterized in that,
The section of described nozzle is actually to have the limit parallel with described screen pack and is positioned at triangle with the summit of described screen pack opposition side with respect to described limit.
8. smoke exhaust ventilator according to claim 7 is characterized in that,
The interior angle on the described summit of described triangle is an acute angle.
9. smoke exhaust ventilator according to claim 1 is characterized in that,
This smoke exhaust ventilator also has:
Cleaning case, it stores water, and the described water that stores can be discharged, and the part of described screen pack is immersed in the described water of storage; With
Water supply portion, it supplies with water to described nozzle and described cleaning case.
10. a smoke exhaust ventilator is characterized in that,
This smoke exhaust ventilator has:
Hood, it has ventilating duct, and described ventilating duct is formed at from suction and contains the suction inlet of air of small items till the discharge opening;
Exhaust fan, it is located in the described ventilating duct;
Screen pack, it is located in the described ventilating duct, with respect to central shaft rotation and have outer circumference end, described screen pack have for described air by and catch the effective coverage of described small items, described effective coverage has the interior Zhou Duan that surrounds described central shaft;
Clean housing, its covering and the described outer circumference end of surrounding described screen pack;
Nozzle, it has and the opposed a plurality of jets of described screen pack;
Water supply portion, it supplies with water to described nozzle; With
Recoverer, its water that will be splashed in the described cleaning housing reclaims,
On the preset lines till described a plurality of jet is arranged in from Zhou Duan in the described effective coverage of described screen pack described to described outer circumference end,
Described a plurality of jet comprises:
A plurality of first jets, they are arranged on first straight line till described outer circumference end from the described interior Zhou Duan of the described effective coverage of described screen pack; With
A plurality of second jets, they are arranged in till from Zhou Duan in the described effective coverage of described screen pack described to described outer circumference end on second straight line with described first straight line parallel,
Described a plurality of first jet comprises the 3rd jet adjacent one another are and the 4th jet,
Described a plurality of second jet comprises the 5th jet,
Described the 3rd jet and described the 4th jet are respectively in the part of described the 3rd jet respect to one another and the part of described the 4th jet, and be tangent with the concentric circles that with described central shaft is the center,
Described the 5th jet is between described concentric circles.
11. smoke exhaust ventilator according to claim 10 is characterized in that,
This smoke exhaust ventilator also has:
Cleaning case, it stores water, and the described water that stores can be discharged, and the part of described screen pack is immersed in the described water of storage; With
Water supply portion, it supplies with water to described nozzle and described cleaning case.
12. a smoke exhaust ventilator is characterized in that,
This smoke exhaust ventilator has:
Hood, it has ventilating duct, and described ventilating duct is formed at from suction and contains the suction inlet of air of small items till the discharge opening;
Exhaust fan, it is located in the described ventilating duct;
Screen pack, it is located in the described ventilating duct, with respect to central shaft rotation and have outer circumference end;
Clean housing, its covering and the described outer circumference end of surrounding described screen pack;
Nozzle, it has and the opposed a plurality of jets of described screen pack;
Cleaning case, it stores water, and the described water that stores can be discharged, and the part of described screen pack is immersed in the described water of storage; With
Water supply portion, it supplies with water to described nozzle and described cleaning case.
13. smoke exhaust ventilator according to claim 12 is characterized in that,
Described screen pack possess hydrophilic property.
14. smoke exhaust ventilator according to claim 12 is characterized in that,
Described cleaning case possess hydrophilic property.
15. smoke exhaust ventilator according to claim 12 is characterized in that,
Described cleaning case has hydrophobicity.
16. smoke exhaust ventilator according to claim 12 is characterized in that,
Described cleaning housing possess hydrophilic property.
17. smoke exhaust ventilator according to claim 12 is characterized in that,
Described cleaning housing has hydrophobicity.
18. smoke exhaust ventilator according to claim 12 is characterized in that,
Described nozzle possess hydrophilic property.
19. smoke exhaust ventilator according to claim 12 is characterized in that,
Described nozzle has hydrophobicity.
20. smoke exhaust ventilator according to claim 12 is characterized in that,
From described nozzle ejection water outlet, and to described cleaning case supply water.
21. smoke exhaust ventilator according to claim 12 is characterized in that,
Described cleaning case can move.
22. smoke exhaust ventilator according to claim 12 is characterized in that,
Described screen pack can move.
23. smoke exhaust ventilator according to claim 12 is characterized in that,
Described nozzle is positioned at described cleaning case.
24. smoke exhaust ventilator according to claim 12 is characterized in that,
Described water supply portion has the cleaning agent that will make oil decomposition and adds adding set in the described water to.
25. smoke exhaust ventilator according to claim 24 is characterized in that,
Described water supply portion also has the heater that is used to heat described water.
26. smoke exhaust ventilator according to claim 12 is characterized in that,
Described water supply portion has the heater that is used to heat described water.
27. smoke exhaust ventilator according to claim 12 is characterized in that,
This smoke exhaust ventilator also has control part, and this control part is controlled described water supply portion and supplied with the amount of water and the rotary speed and the rotational time of time and described screen pack.
CN2007800279569A 2006-10-18 2007-10-17 Range hood Active CN101495814B (en)

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JP5541013B2 (en) * 2010-09-07 2014-07-09 パナソニック株式会社 Range food
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JP5891346B2 (en) * 2011-08-24 2016-03-23 パナソニックIpマネジメント株式会社 Range food
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CN103765112B (en) * 2011-10-18 2017-02-08 松下知识产权经营株式会社 Range hood
JP5684106B2 (en) * 2011-12-28 2015-03-11 富士工業株式会社 Range food
WO2015027582A1 (en) * 2013-08-26 2015-03-05 广东美的厨房电器制造有限公司 Range hood
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CN104864436B (en) * 2015-06-11 2017-10-31 广东美的厨房电器制造有限公司 Range hood
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