CN103776073B - A kind of range hood - Google Patents

A kind of range hood Download PDF

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Publication number
CN103776073B
CN103776073B CN201210414483.0A CN201210414483A CN103776073B CN 103776073 B CN103776073 B CN 103776073B CN 201210414483 A CN201210414483 A CN 201210414483A CN 103776073 B CN103776073 B CN 103776073B
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China
Prior art keywords
smoke
oil
negative plate
range hood
electrostatic oil
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CN103776073A (en
Inventor
郭军波
黎本锋
梁之博
刘晓燕
蒋济武
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Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
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Priority to CN201210414483.0A priority Critical patent/CN103776073B/en
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Abstract

The present invention is applicable to an electro-technical field, provide a kind of range hood, comprise fuselage, odor eliminator, electrostatic oil and smoke cleaner, controller and blower fan, described fuselage is provided with air inlet and air outlet, is drawer type fit structure between at least one and described fuselage in described odor eliminator and electrostatic oil and smoke cleaner.The present invention adds odor eliminator by electrostatic oil and smoke cleaner and carries out double purified filtration, and make fume purifying better effects if, odor reduction degree is higher, the cleaning gas after process and free from extraneous odour, directly can drain into indoor; In addition, odor eliminator and electrostatic oil and smoke cleaner are designed to drawer-type structure, maintenance for convenience detach and cleaning.The present invention achieves better purification, taste removal effect by succinct structural design, and is convenient to dismounting, is applicable to family expenses.

Description

A kind of range hood
Technical field
The invention belongs to an electro-technical field, particularly one range hood for kitchen use.
Background technology
Range hood mainly comprises exhausting type and internal-circulation type two kinds according to its fume emission space, at present, domestic range hood on the market belongs to exhausting type absolutely mostly, worse impact is caused on environment, the range hood majority of external especially American-European countries is internal-circulation type, and how to carry out filtering oil smoke by active carbon.The method of activated carbon filtration is to peculiar smell suction Be very effective, but oil smoke is crossed conference and made the too fast inefficacy of active carbon, due to the difference of culinary art custom, the oil smoke produced when domestic user cooks is much larger than Foreign User, therefore directly can not indiscriminately imitate the scheme of activated carbon filtration, need to make improvement to it.
Summary of the invention
The object of the present invention is to provide a kind of range hood, be intended to solve traditional range hood fume purifying poor effect, problem that odor reduction degree is not high.
The present invention realizes like this, a kind of range hood, comprise fuselage, odor eliminator, electrostatic oil and smoke cleaner, controller and blower fan, described fuselage is provided with air inlet and air outlet, is drawer type fit structure between at least one and described fuselage in described odor eliminator and electrostatic oil and smoke cleaner.
The present invention adds odor eliminator by electrostatic oil and smoke cleaner and carries out double purified filtration, and make fume purifying better effects if, odor reduction degree is higher, the cleaning gas after process and free from extraneous odour, directly can drain into indoor; In addition, odor eliminator and/or electrostatic oil and smoke cleaner are designed to drawer-type structure, maintenance for convenience detach and cleaning.The present invention achieves better purification, taste removal effect by succinct structural design, and is convenient to dismounting, is applicable to family expenses.
Described odor eliminator and be drawer type fit structure between electrostatic oil and smoke cleaner and described fuselage; Described electrostatic oil and smoke cleaner, odor eliminator and blower fan are arranged in order along the flow direction of oil smoke.
Oil smoke is entered from air inlet and is first filtered after most smoke separating purification further by eliminating smell agent by electrostatic oil and smoke cleaner again, filter through double purified, make fume purifying better effects if, odor reduction degree is higher, cleaning gas after process and free from extraneous odour, directly can drain into indoor.
Described blower fan, odor eliminator and electrostatic oil and smoke cleaner from up to down or are from back to front arranged in order.
According to dissimilar range hood, such as European T-shaped machine, air inlet is arranged on the below of fuselage, and air outlet is arranged on the top of fuselage, and blower fan, eliminating smell agent and electrostatic oil and smoke cleaner are from up to down arranged in order; Such as nearly range hood, air inlet is arranged on the front of fuselage, and now blower fan, eliminating smell agent and electrostatic oil and smoke cleaner are arranged in order from back to front.
Described electrostatic oil and smoke cleaner comprises positive plate and the negative plate of alternately arrangement; The inflow direction of described positive plate oil smoke relative to negative plate tilts and angle of inclination is acute angle.
Its objective is the inertial separation effect strengthening oil smoke, in limited space, increase effective adsorption area, improve clean-up effect.
Described positive plate and negative plate are equidistantly alternately arranged, and the pole piece spacing between adjacent described positive plate and negative plate is 5 ~ 15mm.
Described pole piece spacing is 10mm.
The angle of inclination of described positive plate oil smoke inflow direction relative to negative plate is less than 30 °.
The angle of inclination of described positive plate oil smoke inflow direction relative to negative plate is 17 °.
The positive plate of described alternately arrangement and negative plate are divided into contrary two groups of incline direction, and all positive plates often in group are equal relative to the angle of inclination of oil smoke inflow direction with negative plate.
Adopting this assembling mode to make, positive and negative plate is symmetrical is conducive to being uniformly distributed of air-flow, and reduces turbulent flow, avoids producing larger noise; In addition, positive and negative plate is symmetrical is also convenient to structural design, and more attractive in appearance.
Described electrostatic oil and smoke cleaner also comprises support, and is installed on the holddown groove in described support, and described holddown groove is provided with the breach for clamping described positive plate and negative plate, and the inflow direction of the relative oil smoke of described breach is obliquely installed.
Can convenient for assembly and dismounting positive and negative plate, further increase the maintainability of range hood.
Accompanying drawing explanation
Fig. 1 is the perspective view of embodiment of the present invention range hood;
Fig. 2 is the perspective view of electrostatic oil and smoke cleaner in the embodiment of the present invention;
Fig. 3 is the backsight structural representation of electrostatic oil and smoke cleaner in the embodiment of the present invention;
Fig. 4 is the enlarged drawing in the region of B shown in Fig. 3;
Fig. 5 is the side-looking structural representation of electrostatic oil and smoke cleaner in the embodiment of the present invention;
Fig. 6 is the enlarged drawing in the region of C shown in Fig. 3;
Fig. 7 is the perspective view of holddown groove in electrostatic oil and smoke cleaner in the embodiment of the present invention;
Fig. 8 is the planar structure schematic diagram of holddown groove in electrostatic oil and smoke cleaner in the embodiment of the present invention;
Fig. 9 is the enlarged drawing in a-quadrant shown in Fig. 2;
Figure 10 is the enlarged drawing in the region of D shown in Fig. 8;
Figure 11 is the structural representation of embodiment of the present invention middle controller;
Figure 12 is the structural representation of odor eliminator in the embodiment of the present invention;
Figure 13 is the enlarged drawing in the region of E shown in Figure 12.
Reference numeral:
1 fuselage; 11 air inlets; 12 air outlets; 2 odor eliminators; 21 upper covers; 22 lower covers; 23 handles; 24 via holes; 3 electrostatic oil and smoke cleaners; 31 positive plates; 312 positive plate edges; 32 negative plates; Broached-tooth design on 321 negative plates; 322 negative plate edges; 33 supports; 34 handles; 35 holddown grooves; 351 breach; 352 emptiness avoiding holes; 4 controllers; 41 high pressure generation modules; 5 blower fans.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with specific embodiment, specific implementation of the present invention is further described in more detail:
Fig. 1 shows the stereogram of the range hood that the embodiment of the present invention provides, and for convenience of explanation, illustrate only part related to the present embodiment.
With reference to figure 1, the range hood that the embodiment of the present invention provides mainly comprises fuselage 1, odor eliminator 2, electrostatic oil and smoke cleaner 3, controller 4 and blower fan 5, wherein, electrostatic oil and smoke cleaner 3, odor eliminator 2 and blower fan 5 are arranged in order along the flow direction of oil smoke, the bottom of fuselage 1 is provided with air inlet 11, top is provided with air outlet 12, and blower fan 5 is contained in fuselage 1 and fan outlet is fixedly connected with the air outlet 12 of fuselage 1.Further, be drawer type matching relationship between at least one and fuselage 1 in odor eliminator 2 and electrostatic oil and smoke cleaner 3, further preferably, odor eliminator 2 and be drawer type matching relationship between electrostatic oil and smoke cleaner 3 and fuselage 1, has both been convenient to manufacture, can have improved outward appearance again.
Further, according to the flow direction of oil smoke, blower fan, odor eliminator and electrostatic oil and smoke cleaner can from up to down or from back to front be arranged in order.
Range hood of the present invention is provided with electrostatic oil and smoke cleaner 3 and odor eliminator 2 simultaneously, after oil smoke flows into range hood, successively through electrostatic oil and smoke cleaner 3 and odor eliminator 2, finally discharge through air outlet 12, through the double purified filtration of electrostatic oil and smoke cleaner 3 and odor eliminator 2, make fume purifying better effects if, odor reduction degree is higher, cleaning gas after process and free from extraneous odour, directly can drain into indoor; In addition, odor eliminator 2 and electrostatic oil and smoke cleaner 3 are designed to drawer-type structure, maintenance for convenience detach and cleaning.The present invention achieves better purification, taste removal effect by succinct structural design, and is convenient to dismounting, is comparatively applicable to family expenses, is especially applicable to being designed to internal-circulation type domestic cooking fume remover.
With further reference to Fig. 2,3,4, in order to improve the effect of fume purifying further, electrostatic oil and smoke cleaner 3 in the present embodiment comprises positive plate 31 and the negative plate 32 that multi-disc replaces arrangement, and, the inflow direction inclination certain angle of positive plate 31 oil smoke relative to negative plate 32, this tilt angle alpha is acute angle.Positive plate 31 and negative plate 32 power on by carrying out being electrically connected with controller 4, make to form electric field therebetween.Positive plate 31 oil smoke inflow direction relative to negative plate 32 tilts, and its objective is the inertial separation effect strengthening oil smoke, increases effective adsorption area, improve clean-up effect in limited space.
With further reference to accompanying drawing 5, another kind as the present embodiment improves, broached-tooth design 321 can also be set at the lower limb of negative plate 32 and both sides of the edge, with the discharge effect that tapers off to a point, strengthen the ionization of smoke particle, smoke particle ionization and charged after be subject to electric field force effect in uniform electric field between positive and negative plate, and then to be adsorbed onto on pole plate.This broached-tooth design 321 can strengthen the suction-operated of smoke particle, improves clean-up effect further.
After above-mentioned improvement, the purification smell removal effect of this range hood is able to further improvement, and specific works principle is as follows:
Under the effect of high voltage direct current, corona is produced at negative plate broached-tooth design 321 place of electrostatic oil and smoke cleaner 3, highfield is formed between the positive plate 31 and negative plate 32 of electrostatic oil and smoke cleaner 3, first oil smoke enters range hood from the air inlet 11 of fuselage 1, by electrostatic oil and smoke cleaner 3, under the effect of corona, become electronegative smoke particle, then, these electronegative smoke particles are adsorbed onto on positive plate 31 under the effect of highfield, reach the object of purifying oil fume.In the process of oil smoke by electrostatic oil and smoke cleaner 3, because the inflow direction of positive plate 31 oil smoke relative to negative plate 32 tilts, its inertial separation successful promotes, and effective adsorption area is larger, reaches better fume purifying effect.The comparatively clean gas that electrostatic oil and smoke cleaner 3 is discharged enters odor eliminator 2, eliminates peculiar smell by eliminating smell agent wherein, and the gas of discharging from odor eliminator 2 is substantially clean and the gas of free from extraneous odour, and the air outlet 12 eventually passing fuselage 1 is discharged.This clean gas directly can drain into indoor, i.e. internal-circulation type, can certainly be discharged to outdoor, i.e. exhausting type.
The preferred implementation of one as the present embodiment, the tilt angle alpha of positive plate 31 oil smoke inflow direction relative to negative plate 32 is less than 30 °, if angle of inclination is excessive, then stronger to the inhibition of oil smoke, if angle of inclination is too small, then inertial separation poor effect.
Preferred further, the tilt angle alpha of relative with negative plate 32 for positive plate 31 oil smoke inflow direction can be set to 17 °, pole plate access space and outlet gap are staggered just completely, both the effect strengthening inertial separation can have been played, windage can be avoided again excessive and affect suction, be illustrated in figure 6 access space S1 and outlet gap S2 staggers mutually, there is the situation of certain surplus.
With further reference to Fig. 4, as the another kind of preferred implementation of the present embodiment, positive plate 31 and negative plate 32 are equidistantly alternately arranged, and the spacing d(vertical range of adjacent pole piece) be 5 ~ 15mm.Because the electric field strength E between pole piece is directly proportional to voltage U, be inversely proportional to pole piece spacing d, when voltage U one timing, the design considerations of pole piece spacing d is greater than bloom value for making electric field strength E between pole piece, is less than breakdown value.According to practical experience, the empirical value of fume purifying electric field strength E is 0.8-1.2KV/mm, therefore the distance between needing positive and negative plate carries out appropriate design, and pole piece spacing is set to 5 ~ 15mm by the present embodiment, can meet the requirement of electric-field intensity when voltage is 10KV.
Preferred further, pole piece spacing d can be designed to 10mm, the electric-field intensity when voltage is 10KV is 1KV/mm, is within the scope of the empirical value of electric-field intensity, and actual bloom effect is better.
As shown in Figure 3, as further improvement of this embodiment, two groups that can incline direction are divided into contrary the positive plate 31 of alternately arrangement and negative plate 32, often in group all containing multiple positive plate and negative plate, and positive plate often in group and negative plate are equidistantly alternately arranged, the bottom-up relative outer incline of this two arrays of electrodes sheet, forms an opening up V-shaped.Further, the angle of inclination of the oil smoke inflow direction relative to negative plate 32 of all positive plates 31 often in group is equal, is all set to α, and all positive plates namely often in group and negative plate are parallel to each other.In addition, the quantity of two arrays of electrodes sheet can be identical, also can differ some, but equal with quantity be better selection.Certainly, the positive and negative plate often in group can be arranged according to above-mentioned design relative to the angle of inclination of oil smoke inflow direction and the spacing of positive and negative plate.Adopting this assembling mode to make, positive and negative plate is symmetrical is conducive to being uniformly distributed of air-flow, and reduces turbulent flow, avoids producing larger noise; In addition, positive and negative plate is symmetrical is also convenient to structural design, and more attractive in appearance.
With further reference to accompanying drawing 2,5, electrostatic oil and smoke cleaner 3 can also comprise the support 33 of a drawer type, handle 34 can be provided with in the front end (one end towards user) of support 33, so that pull and installation, holddown groove 35 is provided with in support 33, holddown groove 35 is connected by screw on pedestal 33, and holddown groove 35 can be moulding.
Further, this holddown groove 35 can be divided into two groups, be assemblied on the relative side of a group of support 33 respectively, shown in composition graphs 7 ~ 10, each holddown groove 35 is equipped with the some breach 351 distributed side by side, the edge 312 of positive plate 31 and the edge 322 of negative plate 32 are installed in breach 351, realize the fixing of positive and negative plate.Certainly, this breach 351 is that the inflow direction of relative oil smoke tilts, and inclination of taking advantage of a situation after clamping to make positive and negative plate, the angle of inclination of breach 351 is consistent relative to the tilt angle alpha of oil smoke inflow direction with the positive and negative plate preset.Adopt this holddown groove 35, can convenient for assembly and dismounting positive and negative plate, further increase the maintainability of range hood.With further reference to accompanying drawing 8, this holddown groove 35 can also offer some emptiness avoiding holes 352, and the first-class accessory of spiral shell is avoided in its effect, in practical structures, if without the interference of head of screw or other parts, then can cancel emptiness avoiding hole 352.
In the present embodiment, the voltage source formed between positive plate 31 and negative plate 32 is in controller 4, as Figure 11, this controller 4 can comprise a high pressure generation module 41, the positive and negative output of high pressure generation module 41 connects positive plate 31 and negative plate 32 respectively, and then be positive and negative plate applying high pressure, make to form electric field therebetween.Further, all positive plates 31 can pass through conductor mutual conduction, and all negative plates 32 also pass through conductor mutual conduction, positive plate 31 ground connection.
With reference to accompanying drawing 12,13, in the present embodiment, odor eliminator 2 can adopt active carbon as eliminating smell agent, and this odor eliminator 2 specifically can comprise upper cover 21 and a lower cover 22, the front end of lower cover 22 can arrange a handle 23, be convenient to pull and installation, upper cover 21 and lower cover 22 are interlocked, and form a closed space, its inside is equipped with activated carbon granule, certainly, upper cover 21 and lower cover 22 all offer the via hole 24 that width is less than activated carbon granule diameter, so that gas passes through.The shape of via hole 24 can be the shapes such as bar shaped, circle, ellipse.The taste removal effect of activated carbon is comparatively remarkable, and cost is low, can use in a large number.Certainly, the present embodiment also can adopt other materials as eliminating smell agent, does not carry out considered critical herein.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. a range hood, it is characterized in that: comprise fuselage, odor eliminator, electrostatic oil and smoke cleaner, controller and blower fan, described fuselage is provided with air inlet and air outlet, is drawer type fit structure between at least one and described fuselage in described odor eliminator and electrostatic oil and smoke cleaner; Described electrostatic oil and smoke cleaner comprises positive plate and the negative plate of alternately arrangement, and the inflow direction of described positive plate oil smoke relative to negative plate tilts and angle of inclination is acute angle; At the lower limb of described negative plate and both sides of the edge, broached-tooth design is set, with the discharge effect that tapers off to a point.
2. range hood as claimed in claim 1, is characterized in that: described odor eliminator and be drawer type fit structure between electrostatic oil and smoke cleaner and described fuselage; Described electrostatic oil and smoke cleaner, odor eliminator and blower fan are arranged in order along the flow direction of oil smoke.
3. range hood as claimed in claim 2, is characterized in that: described blower fan, odor eliminator and electrostatic oil and smoke cleaner from up to down or are from back to front arranged in order.
4. range hood as claimed in claim 1, it is characterized in that: described positive plate and negative plate are equidistantly alternately arranged, and the pole piece spacing between adjacent described positive plate and negative plate is 5 ~ 15mm.
5. range hood as claimed in claim 4, is characterized in that: described pole piece spacing is 10mm.
6. range hood as claimed in claim 1, is characterized in that: the angle of inclination of described positive plate oil smoke inflow direction relative to negative plate is less than 30 °.
7. range hood as claimed in claim 6, is characterized in that: the angle of inclination of described positive plate oil smoke inflow direction relative to negative plate is 17 °.
8. the range hood as described in any one of claim 1 ~ 7, it is characterized in that: the positive plate of described alternately arrangement and negative plate are divided into contrary two groups of incline direction, and all positive plates often in group are equal relative to the angle of inclination of oil smoke inflow direction with negative plate.
9. the range hood as described in any one of claim 1 ~ 7, it is characterized in that: described electrostatic oil and smoke cleaner also comprises support, and the holddown groove be installed in described support, described holddown groove is provided with the breach for clamping described positive plate and negative plate, and the inflow direction of the relative oil smoke of described breach is obliquely installed.
CN201210414483.0A 2012-10-25 2012-10-25 A kind of range hood Active CN103776073B (en)

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CN105032614B (en) * 2015-08-27 2016-11-30 宁波方太厨具有限公司 A kind of high-voltage static flue gas removing device
CN105498964B (en) * 2015-12-21 2017-05-03 宁波方太厨具有限公司 High voltage electrostatic oil fume purification device
CN105903567B (en) * 2016-04-22 2017-12-22 广州朗洁环保科技有限公司 A kind of method for making electrode purification ventilating duct and its electrode purification air duct structure
CN105833999A (en) * 2016-05-30 2016-08-10 大连兆和科技发展有限公司 Oil mist static collecting core pole plate and using method thereof
CN207446499U (en) * 2017-09-21 2018-06-05 博西华电器(江苏)有限公司 A kind of kitchen ventilator and its electrostatic strainer, pole plate

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CN202885055U (en) * 2012-10-25 2013-04-17 芜湖美的厨卫电器制造有限公司 Range hood

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US3837269A (en) * 1972-11-22 1974-09-24 Elster S Inc Effluent ventilation and cleaning apparatus
US4854949A (en) * 1988-04-19 1989-08-08 Giles Enterprises, Inc. Apparatus for cooking food including a ventless exhaust system
US4902316A (en) * 1988-04-19 1990-02-20 Giles Enterprises, Inc. Oven including a ventless exhaust system
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