CN201983328U - Cabinet and hood type range hood with disassembly-and-disassembly-and-cleaning-free impeller - Google Patents
Cabinet and hood type range hood with disassembly-and-disassembly-and-cleaning-free impeller Download PDFInfo
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- CN201983328U CN201983328U CN201120096141XU CN201120096141U CN201983328U CN 201983328 U CN201983328 U CN 201983328U CN 201120096141X U CN201120096141X U CN 201120096141XU CN 201120096141 U CN201120096141 U CN 201120096141U CN 201983328 U CN201983328 U CN 201983328U
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Abstract
The utility model relates to a cabinet and hood type range hood with a disassembly-and-cleaning-free impeller, which includes a kitchen cabinet for cooking utensils, an illumination lamp, an oil and smoke hood, a control device, a smoke collection box, an oil collection groove, an oil-filter screen, a blower casing, the impeller and so on. The oil and smoke hood is arranged at the upper part of the range hood, and the kitchen cabinet for cooking utensils is arranged at the lower part; the smoke collection box communicated with a blower in the kitchen cabinet for cooking utensils is arranged in the range hood, and is connected with the oil collection groove; a gas outlet of the smoke collection box is connected with a gas inlet of the blower, and a gas outlet of the blower is connected with a flue; the casing of the blower has a volute or round double-chamber structure; and the impeller has a double impeller structure including an axial single-side opening blade type disc impeller and a bevel wheel shaped impeller, and both the impeller discs and the blades are variable cross-section structures. The range hood with the structure has the characteristics of high efficiency, energy conservation, cleaning and environmental protection, cleaning-free impeller, durability, simple process, attractive appearance, low price and the like. The comprehensive economic and technical norms achieve advanced levels at home and abroad; the range hood is widely used in manufacture of range hoods for household kitchens, hotels, restaurants, dining halls and the like; the energy saving and emission reducing effects are obvious; and the economic and social benefits are remarkable.
Description
Technical field
The utility model relates to a kind of cabinet bell-type impeller and exempts to unpick and wash range hood, belongs to the air purifying process field.
Background technology
Range hood is to utilize the oil smoke that produces in the driven by power centrifugal fan suction cooking process and a kind of burnisher of pernicious gas.Since in July, 1987, Shanghai Mast Head Light Factory is a sample with the range hood that China Taiwan produces, successfully copied since first range hood in area, continent, the development of range hood and production have obtained fast development in the China mainland area, and product quality obtains Continual Improvement.Range hood is in the nearly 30 years development of China's process, so far existing up to a hundred of big and small brand, wherein be active in a line have boss, handsome health, side too, Vantage, beautiful, Haier, Germany and Italy, general field etc., the range hood of foreign brand name also poured in China market gradually in recent years.These brands have contained the product of high, medium and low at all levels and price.Can be divided into top suction type and side-suction type two big classes from style, two series products have exterior design such as plain edition, deep hood type and dark cabinet type again; On driving, can be divided into monomotor and left and right double motor and drive two kinds of forms; Single speed, double speed are arranged and do not have joint speed governing or the like by mode of speed regulation.But the range hood product of Xiao Shouing in the market, no matter how its external form and internal structure change, its basic functional principle all is to adopt centrifugal multi-blade wind wheel blower fan to carry out the oil smoke suction, impeller is generally multiple-blade (50～52) mouse cage type structure, and mainly there is following problem in the range hood of this structure:
1. it is serious to be stained with oil: all oil smoke all will be discharged outdoor through multiple-blade wind wheel, can cause the inhomogeneous oil of being stained with in a large number of wind wheel, make and rotate wind wheel disequilibrium gradually, and not only mechanicalness noise is increasing, and the suction effect also can be worse and worse.
2. poor efficiency power consumption: when oil smoke contacts with the multiple-blade wind wheel of rotation at a high speed and flows through its surface, must with wind wheel and Fan casing inwall generation sharp impacts and friction, realize that this process not only will consume lot of energy, and can produce bigger noise and wearing and tearing, thereby cause that lampblack absorber efficient is low, big energy-consuming, noise is big, the life-span is short.
3. clean difficulty:, need the professional regularly to unpick and wash and safeguard because that range hood is stained with oily phenomenon is serious.But main in the market range hood product, its wind wheel are generally multiple-blade (50～52) mouse cage type structure, and distance is narrow between the wind wheel blade of this structure, and blade not only directly influences oil smoke suction effect after being stained with oil, and clean difficulty.Blade is thin in addition, intensity is lower, causes surperficial depainting, distortion after the cleaning easily, makes wind wheel rotate disequilibrium.Facts have proved that lampblack absorber is after unpicking and washing, its noise increases, the lost of life.
4. the feature of environmental protection is poor: the major function of range hood is to keep kitchen cleaning, minimizing environmental pollution, useful health.And the oil smoke clean absorption rate of traditional range hood is generally about 70%, and the diffusion because oil smoke is escaped causes IAQ poor, and it is healthy not only to endanger the household, and is covered with grease spots everywhere on the wall; In addition, generally use the oil smoke filter screen to carry out oil smoke at present and separate, the oil smoke separating degree is lower, makes the outdoor fume purifying rate of discharge also low, causes outdoor environment in various degree to pollute.
Lot of domestic and foreign researcher and manufacturer; alleviate be stained with oil, remove oil smoke, purify air, protect environment, aspect such as raise the efficiency, cut down the consumption of energy carried out research chronically; take improvement machine shape structure, wind wheel surface treatment, increased clarifier, installed oil smoke cover additional, used screen pack, carried out a series of measures such as oil smoke separation; and obtained certain effect; but do not use the rotation multiple-blade wind wheel to carry out the traditional approach of oil smoke suction because of jumping out all the time, so all do not make a breakthrough.
The Chinese invention patent authorization authorizes specification CN200810017064.7 to provide a kind of structural high-efficiency energy-saving non-stick oil ventilator, its principal character is that described impeller is made up of the circular arc type runner blade of at least one group of one-sided sealing, axially amplification, the circular arc type runner blade manufacturing process of this kind structure is complicated, production efficiency is lower, and experiment shows that its oil smoke suction effect is not the best; Described casing is inner, and the casing of this kind structure is sharply diffusion after gas enters air inlet, can produce sharp impacts to casing in order to have the circular two chambers or the multicell of air inlet and gas outlet, and produces big noise.
Chinese invention patent ublic specification of application CN200910013929.7 has provided a kind of novel cyclone type high-efficiency energy-saving environment-friendly range hood, its principal character is that the impeller of described blower fan is the axial one-sided opening impeller of a kind of disc type, blade one side is the radially vertical conjuncted structure of parabolic camber with the impeller disk, and experiment shows that the impeller oil smoke suction effect of this structure is not the best.
The utility model content
The purpose of this utility model is exactly for system overcomes the above problems, and provides a kind of and have simultaneously the cabinet bell-type impeller of characteristics such as " energy-efficient, clean environment firendly, impeller is disposable, and is durable in use, technology is simple, and is inexpensive " to exempt to unpick and wash range hood.
For achieving the above object, the utility model adopts following technical scheme:
A kind of cabinet bell-type impeller exempts to unpick and wash range hood, and it comprises cooker kitchen cabinet, illuminating lamp, oil smoke cover, control device, collection smoke box, oil trap, oil cleaner screen, Fan casing, impeller etc.The top of described range hood is oil smoke cover, and the bottom is the cooker cabinet, is provided with the collection smoke box that is communicated with cooker cabinet inner blower in the oil smoke cover, and the collection smoke box is connected with oil trap, and the gas outlet of collection smoke box is connected with fan air inlet, and the blower fan gas outlet is connected with flue; The casing of described blower fan is scroll casing shape or circular double-chamber structure, and described impeller is the vane type disk impeller of axial one-sided opening and the two-wheel structure that the cone gear form impeller is formed, and the impeller disk and blade are variable section structure.
Described Fan casing comprises that gas cyclone chamber and impeller lure the stream chamber, and described impeller is installed in and lures stream indoor, and is connected with the motor shaft of Fan casing outside, can induce the core that forms eddy flow field when impeller rotates; The indoor oil smoke of gas cyclone forms under the inducing of eddy flow field core and strengthens the auxilliary eddy flow field that closes, with the mode fume exhaust of this eddy flow field with " oil smoke drive oil smoke ".Impeller lures the appropriate location, the outside of stream chamber to be provided with the adjustable discharge orifice that protects, and can enter proper amount of fresh air envelope impeller from protecting discharge orifice during unlatching, to reduce the sticking oil of impeller.The left side of gas cyclone chamber is a fan air inlet simultaneously, and rear side is the blower fan gas outlet.
Described impeller is made of vane type disk impeller and cone gear form impeller; Wherein, vane type disk impeller comprises the impeller disk and blade, on the impeller disk, be provided with quantity and equate, replace equally distributed two group leader's blade and short blades, the length of short blade is the 50-80% of linear leaf length, vertical with the impeller disk conjuncted at the circular arc linear leaf that axially all amplifies with both direction radially with short blade, the tangent line angle at the conjuncted place in blade outer end and impeller disk edge is 20 °-40 °, the vane type disk impeller of this structure not only has good inducing action to the formation of eddy flow field, and has the effect that strengthens eddy flow field intensity; Axial forward end at vane type disk impeller is installed the cone gear form impeller, and the cone gear form impeller is the cone that the flank of tooth is involute profile, and this cone gear form impeller can play shunting action to the oil smoke that enters casing, with further enhancing eddy flow effect.
Described impeller is made of vane type disk impeller and cone gear form impeller; Wherein, vane type disk impeller comprises the impeller disk and blade, on the impeller disk, be provided with two groups of quantity and equate, replace equally distributed high blade and short blade, short blade height is about the 60-80% of high blade height, vertical with the impeller disk conjuncted at the circular arc form height blade that axially all amplifies with both direction radially with short blade, the tangent line angle at the conjuncted place in blade outer end and impeller disk edge is 20 °-40 °, the vane type disk impeller of this structure not only has good inducing action to the formation of eddy flow field, and has the effect that strengthens eddy flow field intensity; Axial forward end at vane type disk impeller is installed the cone gear form impeller, and the cone gear form impeller is the cone that the flank of tooth is involute profile, and this cone gear form impeller can play shunting action to the oil smoke that enters casing, with further enhancing eddy flow effect.
The impeller disk of described vane type disk impeller from the center to the edge radially by thick attenuation gradually, a side is plane, opposite side is a convex-shaped; The longitudinal section and the cross section of described each blade are right-angled trapezium, from impeller disk center to the edge radially and to one-sided opening axially all with the shape of right-angled trapezium by thick attenuation gradually.The demoulding manufacturing when impeller disk of this variable section structure and blade help injection mo(u)lding meanwhile, can guarantee impeller intensity, can alleviate impeller weight again.
Described vane type disk impeller and cone gear form impeller material are the ABS engineering plastics, adopt the machine-shaping of injection molding forming method disposable integral, and production technology is simple, efficient is high, in light weight, good energy-conserving effect.
Described collection smoke box is a rectangular shape, and top takes the form of inclined plane; Collection smoke box top is provided with the rectangle air inlet, and installation secondary oil cleaner screen and control device, the middle part is provided with the rectangle air inlet and oil cleaner screen is installed one time, and the bottom is provided with circular gas outlet and three oil cleaner screens of inner concave shape are installed, and three oil cleaner screens can improve oil smoke clean absorption rate and purifying rate; Collection smoke box middle and upper part is equipped with illuminating lamp, and foot is equipped with oil trap.
Described each oil cleaner screen all is installed on the collection smoke box with the magnetic connected mode, and tool free can the split dismounting.
Described control device comprises Air-sensitive switch automatic button and touching electronic switch; If Air-sensitive switch automatic button device, when pernicious gas such as the carbon monoxide of field of employment or smog surpass finite concentration, buzzer warning and drive motor work, after harmful gas or smog were lower than finite concentration, the 1min that delays time was an autostop.
The oil smoke cover top is an arc transparent toughened glass cover plate, and rear side is cold rolling fine aluminium baffle plate, and the left and right sides is the up big and down small cold rolling fine aluminium baffle plate of one-sided arc.Adopt the fine aluminium baffle plate to help the lightweight of lampblack absorber.
The beneficial effects of the utility model are: have the efficient height simultaneously, energy consumption is low, noise is little, the life-span is long, exempt to unpick and wash, characteristics such as consumptive material is few, easy processing.The main performance in the following areas:
1. energy-efficient: by the synthetic innovation design of cooking-fume exhauster blower and blade wheel structure, can in lampblack absorber, induce formation around the auxilliary gas cyclone field of closing of the atwirl enhancing of axle, carry oil smoke with this eddy flow field in the mode of " oil smoke drive oil smoke ", rather than carry oil smoke by multiple-blade wind wheel fully, features such as that this kind oil smoke mode of movement has is efficient, energy-conservation, low noise.
2. disposable lengthening the life: by Fan casing, protect the isostructural optimum organization design of discharge orifice, impeller, blade, motor, realized that not only oil smoke is without impeller, but and from protecting the fresh air envelope impeller that discharge orifice enters, oil smoke separates with impeller, motor separates with oil smoke thereby make, thereby make the impeller cleaning need not unpick and wash motor and impeller life significant prolongation.
3. low-carbon environment-friendly: various effects such as energy-conservation, reduction of discharging, consumption reduction, environmental protection are comprehensively embodied.As being the ABS engineering plastics owing to the impeller material, only for now using the less than 1/3rd of steel wind wheel, energy conservation and consumption reduction effects is very remarkable for weight; Impeller adopts the injection molding forming method disposable integral to shape, and production technology is simple, efficient is high, cost is low.Adopt the oil smoke cover of multiaspect enclosed construction, can stop the oil fume outer-runaway diffusion effectively, significantly improved the oil smoke clean absorption rate, guaranteed that room air is pure and fresh, the wall cleaning.Can realize twice filtration during oil smoke turnover collection smoke box, make and discharge outdoor fume purifying rate raising that outdoor environment pollutes and alleviates.Gas cyclone field oil smoke mode of movement can significantly reduce the collision and the friction of oil smoke and impeller and casing inner wall, and impeller weight is light in addition, size is little, and blower fan is installed in the cooker kitchen cabinet, and these all can make noise significantly reduce.
A kind of cabinet bell-type impeller of the present utility model exempts to unpick and wash range hood, and the key technical indexes is: efficient improves more than 15%, and is energy-conservation more than 15%, noise is lower than 65dB, and the oil smoke clean absorption rate reaches more than 95%, and the fume purifying rate reaches more than 90%, life-span improves more than 5 times, and the impeller material-saving is more than 70%.Have characteristics such as " energy-efficient; clean environment firendly; that impeller is disposable; durable in use, technology is simple, and are inexpensive " simultaneously, its mixed economy technical indicator reaches domestic and international top standard, be widely used in the manufacturing of range hoods such as family kitchen, restaurant, restaurant, dining room, effects of energy saving and emission reduction is outstanding, remarkable economic and social benefits.
Description of drawings
Fig. 1 a is a range hood Facad structure schematic diagram;
Fig. 1 b is a range hood side structure schematic diagram;
Fig. 2 is the blower fan structure schematic diagram;
Fig. 3 is impeller () structural representation;
Fig. 4 is impeller (a two) structural representation.
Wherein, 1. cooker kitchen cabinet, 2. an oil cleaner screen, 3. illuminating lamp, 4. oil smoke cover, 5. Air-sensitive switch automatic button, 6. secondary oil cleaner screen, 7. touching electronic switch, 8. blower fan gas outlet, 9. three oil cleaner screens, 10. safety glass cover plate, 11. collection smoke boxes, 12. blower fan, the 13. adjustable discharge orifices that protect, 14. oil traps, 15. fan air inlet, gas cyclone chambers 16., 17. cone gear form impellers, 18. vane type disk impeller, 19. casings, 20. impellers, 21. motor, 22. impellers lure stream chamber, 23. impeller disks, 24 linear leafs, 25. short blade, 26. high blades, 27. short blades.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
A kind of cabinet bell-type impeller exempts to unpick and wash range hood, it comprises cooker kitchen cabinet 1, oil cleaner screen 2, illuminating lamp 3, oil smoke cover 4, Air-sensitive switch automatic button 5, secondary oil cleaner screen 6, touching electronic switch 7, lampblack absorber gas outlet 8, three oil cleaner screens 9, safety glass cover plate 10, collection smoke box 11, blower fan 12, adjustable discharge orifice 13, the oil trap 14 etc. of protecting, shown in Fig. 1 a, Fig. 1 b.
Arc safety glass cover plate 10 is installed at oil smoke cover 4 tops; Be provided with collection smoke box 11 in the oil smoke cover 4, collection smoke box 11 is communicated with the blower fan 12 of cooker kitchen cabinet 1; Collection smoke box 11 bottoms are provided with oil trap 14, and the gas outlet of collection smoke box 11 is connected with the fan air inlet 15 of blower fan 12, and the blower fan gas outlet 8 of blower fan 12 is connected with flue; Blower fan 12 also is provided with the adjustable discharge orifice 13 that protects.
Described collection smoke box 11 is a rectangular shape, and top takes the form of inclined plane, and the top of inclined plane shape is provided with the rectangle air inlet and secondary oil cleaner screen 2 is installed; Collection smoke box 11 middle parts are provided with the rectangle air inlet and oil cleaner screen 6 are installed one time; Collection its left and right sides, top, smoke box 11 middle and upper parts is equipped with illuminating lamp 3; Collection smoke box 11 bottoms are provided with circular gas outlet and three oil cleaner screens 9 of inner concave shape are installed.Control device comprises Air-sensitive switch automatic button 5 and touching electronic switch 7, is installed in the both sides of secondary oil cleaner screen 6 respectively.
Described each oil cleaner screen all is installed on the collection smoke box 11 with the magnetic connected mode.
Among Fig. 2, blower fan 12 also is connected with control device, the casing 19 of blower fan 12 is scroll casing shape or circular double-chamber structure, and impeller 20 is the two-wheel structure of the one-sided opening of vane type disk impeller 18 and cone gear form impeller 17 formations, and the impeller disk 23 and all blades are variable section structure.
Described casing 19 comprises that gas cyclone chamber 16 and impeller lure stream chamber 22, and impeller lures the outside of stream chamber 22 to be provided with the adjustable discharge orifice 13 that protects; Described impeller 20 is installed in impeller and lures in the stream chamber 22, and is connected with the motor 21 of casing 19 outsides; The left side of gas cyclone chamber 16 is fan air inlets 15 simultaneously, and rear side is blower fan gas outlet 8.
Described impeller 20 comprises vane type disk impeller 18 and cone gear form impeller 17; The impeller disk 23 of described vane type disk impeller 18 is provided with two groups of quantity and equates, replaces equally distributed linear leaf 24 and short blade 25, vertical conjuncted with the impeller disk 23 with the circular arc of axially all amplifying with both direction radially, the tangent line angle at the conjuncted place in blade outer end and impeller disk edge is 20 °-40 °; Described cone gear form impeller 17 is installed in the axial forward end of vane type disk impeller 18.As shown in Figure 3.
Perhaps, described impeller 20 comprises vane type disk impeller 18 and cone gear form impeller 17; Described vane type disk impeller 18 equates, replaces equally distributed high blade 26 and short blade 27 by two groups of quantity, with axially vertical conjuncted with the impeller disk 23 with the circular arc of radially all amplifying, the tangent line angle at the conjuncted place in blade outer end and impeller disk edge is 20 °-40 °; Described cone gear form impeller 17 is installed in the axial forward end of vane type disk impeller 18.As shown in Figure 4.
The described impeller disk 23 from the center to the edge radially by thick attenuation gradually, a side is plane, opposite side is a convex-shaped; The longitudinal section and the cross section of described each blade are right-angled trapezium, from the impeller disk 23 centers to the edge radially and to one-sided opening axially all with the shape of right-angled trapezium by thick attenuation gradually.
The material of described vane type disk impeller 18 and cone gear form impeller 17 is the ABS engineering plastics, adopts the machine-shaping of injection molding forming method disposable integral.
The utility model does not describe structure in detail and is known technology.
Claims (9)
1. a cabinet bell-type impeller exempts to unpick and wash range hood, it comprises cooker kitchen cabinet (1), illuminating lamp (3), oil smoke cover (4), control device, collection smoke box (11), oil trap (14), oil cleaner screen, blower fan (12), it is characterized in that, described cooker kitchen cabinet (1) top is oil smoke cover (4), be provided with the collection smoke box (11) that is communicated with cooker cabinet (1) inner blower (12) in the oil smoke cover (4), collection smoke box (11) is connected with oil trap (14), the gas outlet of collection smoke box (11) is connected with fan air inlet (15), and blower fan gas outlet (8) are connected with flue; The Fan casing (19) of described blower fan (12) is scroll casing shape or circular double-chamber structure, described impeller (20) is the vane type disk impeller (18) and cone gear form impeller (17) the two-wheel structure of axial one-sided opening, and the impeller disk (23) and the blade of vane type disk impeller (18) are variable section structure.
2. cabinet bell-type impeller as claimed in claim 1 exempts to unpick and wash range hood, it is characterized in that, described Fan casing (19) comprises that gas cyclone chamber (16) and impeller lure stream chamber (22), and impeller lures the outside of stream chamber (22) to be provided with the adjustable discharge orifice (13) that protects; Described impeller (20) is installed in impeller and lures in the stream chamber (22), and is connected with the motor (21) of Fan casing (19) outside; The left side of gas cyclone chamber (16) is fan air inlet (15) simultaneously, and downside is blower fan gas outlet (8).
3. cabinet bell-type impeller as claimed in claim 1 exempts to unpick and wash range hood, it is characterized in that, described impeller (20) comprises vane type disk impeller (18) and cone gear form impeller (17); Described vane type disk impeller (18) comprises the impeller disk (23), on the impeller disk (23), be provided with quantity and equate, replace equally distributed two group leader's blades (24) and short blade (25), short blade (25) length is the 50-80% of linear leaf (24) length, vertical conjuncted with the impeller disk (23) with short blade (25) at the circular arc linear leaf (24) that axially all amplifies with both direction radially, the tangent line angle at linear leaf (24) outer end and the impeller disk (23) conjuncted place, edge is 20 °-40 °; Described cone gear form impeller (17) is installed in the axial forward end of vane type disk impeller (18) for the flank of tooth is the cone of involute profile.
4. cabinet bell-type impeller as claimed in claim 1 exempts to unpick and wash range hood, it is characterized in that, described impeller (20) comprises vane type disk impeller (18) and cone gear form impeller (17); Described vane type disk impeller (18) comprises the impeller disk (23), on the impeller disk (23), be provided with two groups of quantity and equate, replace equally distributed high blade (26) and short blade (27), short blade (27) highly is about the 60-80% of high blade (26) height, vertical conjuncted with the impeller disk (23) with short blade (27) at the circular arc form height blade (26) that axially all amplifies with both direction radially, the tangent line angle at high blade (26) outer end and the impeller disk (23) conjuncted place, edge is 20 °-40 °; Described cone gear form impeller (17) is installed in the axial forward end of vane type disk impeller (18) for the flank of tooth is the cone of involute profile.
5. exempt to unpick and wash range hood as claim 3 or 4 described cabinet bell-type impellers, it is characterized in that, described vane type disk impeller (18) and cone gear form impeller (17) material are the ABS engineering plastics, adopt the machine-shaping of injection molding forming method disposable integral.
6. exempt to unpick and wash range hood as claim 1 or 3 or 4 described cabinet bell-type impellers, it is characterized in that, the described impeller disk (23) from the center to the edge radially by thick attenuation gradually, a side is plane, opposite side is a convex-shaped; The longitudinal section and the cross section of described each blade are right-angled trapezium, from the impeller disk (23) center to the edge radially and to one-sided opening axially all with the shape of right-angled trapezium by thick attenuation gradually.
7. cabinet bell-type impeller as claimed in claim 1 exempts to unpick and wash range hood, it is characterized in that, described collection smoke box (11) is a rectangular shape, and top takes the form of inclined plane, and control device is installed at the top of inclined plane shape; Collection smoke box (11) top is provided with the rectangle air inlet and secondary oil cleaner screen (6) is installed, and the middle part is provided with the rectangle air inlet and an oil cleaner screen (2) is installed, and the bottom is provided with circular gas outlet and three oil cleaner screens of inner concave shape (9) are installed; Collection smoke box (11) middle and upper part is equipped with illuminating lamp (3), and foot is equipped with oil trap (14).
8. cabinet bell-type impeller as claimed in claim 7 exempts to unpick and wash range hood, it is characterized in that, described each oil cleaner screen all is installed on the collection smoke box (11) with the magnetic connected mode.
9. exempt to unpick and wash range hood as claim 1 or 7 described cabinet bell-type impellers, it is characterized in that described control device comprises Air-sensitive switch automatic button (5) and touching electronic switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120096141XU CN201983328U (en) | 2011-04-02 | 2011-04-02 | Cabinet and hood type range hood with disassembly-and-disassembly-and-cleaning-free impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120096141XU CN201983328U (en) | 2011-04-02 | 2011-04-02 | Cabinet and hood type range hood with disassembly-and-disassembly-and-cleaning-free impeller |
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| Publication Number | Publication Date |
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| CN201983328U true CN201983328U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120096141XU Expired - Fee Related CN201983328U (en) | 2011-04-02 | 2011-04-02 | Cabinet and hood type range hood with disassembly-and-disassembly-and-cleaning-free impeller |
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| CN (1) | CN201983328U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998765A (en) * | 2018-01-10 | 2018-05-08 | 林德祥 | Gas cleaning structure and smoke eliminator |
| CN112344403A (en) * | 2020-10-13 | 2021-02-09 | 宁波方太厨具有限公司 | Oil smoke escape prevention structure and range hood with same |
-
2011
- 2011-04-02 CN CN201120096141XU patent/CN201983328U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107998765A (en) * | 2018-01-10 | 2018-05-08 | 林德祥 | Gas cleaning structure and smoke eliminator |
| CN107998765B (en) * | 2018-01-10 | 2023-09-26 | 林德祥 | Flue gas purification structure and flue gas purification device |
| CN112344403A (en) * | 2020-10-13 | 2021-02-09 | 宁波方太厨具有限公司 | Oil smoke escape prevention structure and range hood with same |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20140402 |