CN201476122U

CN201476122U - Improved energy-saving environmental-protection horizontal air curtain range hood

Info

Publication number: CN201476122U
Application number: CN2009201553779U
Authority: CN
Inventors: 刘波
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-17
Filing date: 2009-05-17
Publication date: 2010-05-19
Anticipated expiration: 2019-05-17

Abstract

The utility model relates to an improved energy-saving environmental-protection horizontal air curtain range hood which is composed of a motor (1), an air inlet blower assembly (2), an air exhaust blower assembly (3), an oily fume filtering assembly (4), a blower case component (51), an oil collection cavity machine body (52), an air curtain hole (6), an illuminating device (7) and an electrical control system (8); the improved energy-saving environmental-protection horizontal air curtain range hood is characterized in that: the air inlet blower and the air exhaust blower use the motor commonly and are respectively arranged at two sides of the motor, and the air inlet blower and the air exhaust blower works simultaneously, the oily fume is exhausted out of the outside, the air inlet blower sucks air and feeds to the oil collection cavity machine body (52) from the rear side of the top end of the range hood, and sprays air flows to a kitchen range plane downwards in an inclining way through the three air curtain holes (6) at left, right and front sides, so as to prevent the oil fume from escaping. The improved energy-saving environmental-protection horizontal air curtain range hood has simple structure and generates air curtains without increasing the quantity of the motor, air flows of the air curtain are sufficient, and a included angle with 10-15 degrees is formed between the air flow direction and the vertical plane without affecting the normal consumption of the kitchen range; as the exhaust efficiency is high, the motor power can be reduced, thereby being energy-saving and environmental-protection.

Description

A kind of improved energy-conserving and environment-protective air curtain range hood

Affiliated technical field

The utility model relates to a kind of kitchen household electrical appliance, i.e. fume extractor.

Background technology

Bread is the staff of life, three meals in a day, and meal meal all will provided food, cooking, cook, and unavoidably produces steam, oil smoke and high-temp combustion waste gas.It not only pollutes indoor environment, and it is healthy to influence people.At present, the main electrical equipment that improves the kitchen environment situation is range hood.Through scientific and technical personnel's continuous effort, existing range hood possessed high blast, big discharge capacity, low noise, efficient oil strain, exempts to unpick and wash, sticking not oily, attractive and durable, etc. advantage.But in actual applications still some oil smoke, steam, and high-temp waste gas elegant indoor to the kitchen, its reason mainly is 1, be subjected to the operating space restriction, the lampblack absorber setting height(from bottom) is about 750 millimeters apart from gas kitchen range, and effective air draught distance of general range hood is 400 millimeters, artificial in addition operation behavior, steam, burnt gas escape to the room, cause discharging not thorough, for overcoming this deficiency, a lot of scientific research personnel are in the new solution of research and development.Wherein to introduce new wind, the design of setting up air curtain is more, being included in lampblack absorber increases air curtain, increases air curtain, sets up air curtain on kitchen cabinet at gas-cooker, design theory is correct, but (cost height), processing technology aspect (complicated), using energy source aspect (many power), appearance design aspect (volume is big), wherein application number aspect economy; 200720025910.0 design volume big, profile is asymmetric, not attractive in appearance, two same motor energy consumptions double, the cost height, the air intake air quantity greater than, to equal exhaust air rate be theoretical design, according to this Wind Coverage Calculation, even air curtain mouth diameter is 20 millimeters, 2.8 meters of lampblack absorber girths, the air door wind speed will reach more than 8 meter per seconds, and air curtain vertically downward, under the effect of exhaust blower, air curtain can be partial to gas-cooker, big like this wind speed and direction will make the gas-cooker can't normal combustion, even cause burning things which may cause a fire disaster to extinguish, and have an accident; The design of application number 200520013235.0 is better than the former, but blower fan quantity is many, processed complex, and the cost height, energy consumption is big, and noise strengthens, and air curtain designs vertically downward, also can influence normal combustion, so must strictly control air quantity and wind speed; Application number 200520013200.7 blower fan quantity are many, and the air curtain casing is too big, and the cost height does not have the air port guiding, can not accurately control the air curtain direction, and appearance design lacks fashion; The design of application number 200720038317.X just is provided with air curtain to the inside at the lampblack absorber edge, forming air curtain near the lampblack absorber space, at present general range hood lateral dimension is the 900-750 millimeter, smoking bore edge has only the 300-250 millimeter far from the smoke collecting chamber edge, this space has belonged to the lampblack absorber control range, and the air curtain effect is little, and appearance design is not attractive in appearance, modern lampblack absorber has ultrathin design trend, and this design can't be installed on ultra-thin type; Application number 9921186.1 blower fan quantity are many,, the cost height, energy consumption is big, and profile is not attractive in appearance, and application number 200620040727.3 belongs to the internal-circulation type wind screen kitchen ventilator, though can effectively discharge fume, the oil strain annex need regularly replace, and has cost of use to take place, can not get rid of burnt gas, and heat, it is used for the simple place of kitchen range, cooking method of cold district, electromagnetism heating more, is not suitable for China's diet processing custom, domestic seldom use is so be difficult to Transformation Application.

Summary of the invention

The utility model provides a kind of certificate that the lampblack absorber of three air curtains is arranged, it is to produce air curtain under the condition that does not increase number of motors, air curtain plane and vertical plane form 10-15 degree angle (not influencing the gas-cooker operate as normal), under the air curtain barrier, effectively prevent oil fume outer-runaway, improve smoke discharging effect, more energy-conservation than foregoing invention,, more environmental protection higher than prior art lampblack absorber smoke exhaust efficiency, because the raising of smoke exhaust efficiency so also can reduce power of motor, reduces air quantity, not only energy-conservation, and reduced noise.

To achieve these goals, the utility model by the following technical solutions;

By a motor, the air inlet fan assembly, the air exhauster assembly, the filtering oil smoke assembly, blower fan body assembly, the oil-collecting cavity, the air curtain air port, lighting device, electrical apparatus control system is formed, advance, the shared motor of air exhauster turbine, be installed in the motor both sides respectively, (twin shaft output motor) advances, air exhauster is worked simultaneously, oil smoke is discharged outdoor, the air inlet fan assembly is made a gift to someone from lampblack absorber top suction air in the oil-collecting cavity, through a smoke collecting chamber body periphery left side, right, first three direction air curtain groove, the air curtain mouth sprays air-flow to the kitchen range plane to oblique below, form air curtain, the structure in air port will make air curtain plane and vertical plane form 10-15 degree angle, (biased outward) avoids air curtain to disturb the operate as normal of gas-cooker, air curtain is enclosed in oil smoke in the space between range hood and the kitchen range and can not escapes, and discharges outdoor by induced-draft fan.

Outstanding feature of the present utility model is: simple in structure, and handling ease, complete machine has only a motor, and main power consumption is used for air draft, and the fraction power consumption is used for air curtain.The air curtain plane becomes 10-15 degree angle with vertical plane, after air curtain arrived the kitchen range plane, the air force of generation was to the kitchen range outside, can not disturb normal combustion, so air curtain air quantity, blast are required is not very strict, can make air curtain arrive the kitchen range plane.

Description of drawings:

Fig. 1 the utility model working condition design sketch

Fig. 2 the utility model side view

Fig. 3 the utility model upward view

Fig. 4 the utility model air port profile

The specific embodiment

A kind of improved energy-conserving and environment-protective air curtain range hood is made up of a motor 1, air inlet fan assembly 2, air exhauster assembly 3, filtering oil smoke assembly 4, fan box assembly 51, oil-collecting cavity 52 air curtain air ports 6, lighting device 7, electrical apparatus control system 8.The motor left-right symmetry is installed on the vertical steel plate 511 that is parallel to the lampblack absorber front in the fan box assembly 51, air inlet blower fan turbine case 22, air exhauster turbine case 32 are installed in vertical steel plate 511 both sides respectively, air inlet blower fan turbine 21, air exhauster turbine 31 are installed in motor 1 both sides respectively, the exhaust blower dimensions is decided according to lampblack absorber design air flow, blast, air intake machine dimensions is decided according to air curtain air quantity, blast, vertical steel plate 511 is divided into two different sizes and the space of UNICOM not with fan box assembly 51, forms the inlet and outlet passage.The outlet of air intake machine connects oil-collecting cavity 52, the oil-collecting cavity is provided with multistage air curtain Cao towards kitchen range lateral edges (left and right, preceding), and air port 6 is installed on the air curtain groove, and there is certain length in the air port in the air-out direction certificate, play guide effect, make the air curtain plane become 10-15 degree angle with vertical plane.(biased outward).After connecting power supply, the inlet and outlet blower fan is worked simultaneously, and the oily filter assemblies of oil smoke process, exhaust blower, exhaust duct are to outdoor; The air inlet blower fan sucks the room air oil-collecting cavity 52 of making a gift to someone from the lampblack absorber top, in by collection chamber bottom surface three direction air doors groove, air curtain mouth 6 to oblique below ejection air-flow to the kitchen range plane, oil smoke, steam, heat that the shielding cooking process produces, oil smoke is enclosed in the space between range hood and the kitchen range, oil smoke can not be escaped, drain into outdoor through exhaust blower.

Air curtain multistage design is a bonding strength of considering collection chamber inner panel and outside plate, and hop count shown in Figure 3 is not quantitative hop count, can according to oil-collecting cavity steel plate thickness decision hop count how much.Though between two sections air curtains certain clearance is arranged, do not influence the shield effectiveness of air curtain, because induced-draft fan when work, the space between kitchen range and the induced-draft fan is that certain negative pressure is arranged, room air can replenish into.

Characteristics:

The inlet and outlet blower fan is installed on the same motor, do not increase number of motors and produce air curtain (general design is to increase motor), energy savings, all there is fan assembly the motor both sides, favourable steady with motor rotation, reduce noise (the single shaft output motor is a cantilevered axle) and prolong motor service life.

The air curtain power set are in cylinder block set air box (51), and therefore the requirement that oil-collecting cavity (52) is not highly had is convenient to oil-collecting cavity ultrathin design, economical with materials again promptly attractive in appearance.

The utility model has not only been considered air curtain blast, air quantity, and the air curtain plane becomes the 10-15 degree with vertical plane, and outer partially air curtain guarantees that air curtain arrives the kitchen range face, does not influence the kitchen range normal combustion.

Owing to the utlity model has the high characteristics of smoke exhaust efficiency, need not to strengthen the design discharge capacity, so it is slightly smaller that the exhaust air rate design can have range hood now, its essence is exactly that exhaust blower turbine axial dimension reduces, the exhausting duct size reduces, power of motor reduces, though increased air intake machine and passage thereof, the air box cumulative volume does not have too many variation.

Because existing oil suction cigarette is designed to the courage formula mostly, that is: smoke-collecting plate becomes a cavity with outside jacket plates, for air curtain constitutes passage, only needs to improve a little, can realize improving smoke exhaust efficiency according to the range hood that air curtain is arranged, and is convenient to the product technology transformation.

Claims

1. improved energy-conserving and environment-protective air curtain range hood, by a motor (1), air inlet fan assembly (2), air exhauster assembly (3), filtering oil smoke assembly (4), fan box assembly (51), oil-collecting cavity (52) air curtain air port (6), lighting device (7), electrical apparatus control system (8) is formed, it is characterized in that: air inlet blower fan turbine (21) and the shared motor of air exhauster turbine (31) (1), be installed in the motor two ends respectively, exhaust process and intake process are worked simultaneously, oil-collecting cavity (52) is provided with a left side towards the kitchen range side periphery, right, first three direction air curtain groove, install air curtain air port (6) on the air curtain groove additional, the outlet of air inlet fan assembly (2) and oil-collecting cavity (52) link, by three direction air curtain grooves of collection chamber (52) periphery, air curtain mouth (6) sprays air-flow to the kitchen range plane to oblique below, oil smoke is enclosed in the space between range hood and the kitchen range, discharges outdoor by the air draft unit.

2. a kind of improved energy-conserving and environment-protective air curtain range hood according to claim 1, it is characterized in that: a motor is the motor with output shafts.

3. a kind of improved energy-conserving and environment-protective air curtain range hood according to claim 1, it is characterized in that: the turbine part (21) on the air inlet fan assembly (2) can be identical with turbine part (31) diameter on the air exhauster assembly (3), also can be different, air inlet turbine (21) axial dimension is less than exhaust driven gas turbine (31) axial dimension.

4. a kind of improved environmental protection and energy saving air curtain range hood according to claim 1, it is characterized in that: oil-collecting cavity (52) is left and right, preceding towards the kitchen range side periphery, three directions are provided with multistage strip air curtain groove, and air port (6) is housed, make the air curtain plane become 10-15 degree angle with vertical plane.