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Efficient-filtering exhaust hood with no need for dismounting and washing

A technology for washing range hoods and high-efficiency filtration, which is applied in the fields of oil fume removal, household heating, lighting and heating equipment, etc. It can solve the problems of replacement and maintenance of filter devices, unsatisfactory filtering effect, and fast flow rate, etc., and achieves a direct noise reduction effect High efficiency, low cost, good filtering effect

Pending Publication Date: 2018-06-29
HANGZHOU ROBAM APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most range hoods do not consider this problem. A small number of range hoods have added a filter device at the air outlet (rear end). However, due to the high wind pressure and fast flow rate at the rear end, most of the particles are discharged before they can be filtered. into the atmosphere, resulting in unsatisfactory filtering effect, and at the same time, the replacement and maintenance of the filter device installed at the back end is relatively duplicative, requiring professional maintenance

Method used

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  • Efficient-filtering exhaust hood with no need for dismounting and washing
  • Efficient-filtering exhaust hood with no need for dismounting and washing
  • Efficient-filtering exhaust hood with no need for dismounting and washing

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: This high-efficiency filter-free range hood mainly includes a wind deflector 1, a net cover 8, an air duct 7 and a casing 9, the air duct 7 is fixed inside the casing 9, and the air duct 7 and the casing 9 are connected by screws. Together, the wind deflector 1 is located at the front end of the air inlet of the air duct 7, the net cover 8 is located in the air duct 7, and the front portion of the net cover 7 is provided with a detachable disposable high-efficiency filter screen 2. While improving the filtration efficiency, it ensures that the inside of the fan system does not enter the oil fume, and realizes that the inside does not need to be dismantled and cleaned.

[0030] The filter screen has high filtration efficiency and can filter out most of the grease to protect the long life of the internal components of the range hood; the cost is extremely low, and when the grease is collected, it can be discarded and replaced with a new filter screen to ensur...

Embodiment 2

[0031] Embodiment 2: On the basis of Embodiment 1, the net cover 8 is located at the air inlet of the air duct 7, the high-efficiency filter screen 2 is located at the air inlet of the air duct 7 and the front end of the net cover 8, and the air duct 7 is provided with mutual Cooperating impeller 5 and motor 6, the front part of air channel 7 is provided with smoke collection hood 4, and wind deflector 1 is fixed on the smoke collection hood 4, and the bottom of smoke collection hood 4 is provided with oil cup 3.

[0032] The air duct 7 is mainly responsible for the power part of the range hood. The motor 6 drives the rotation of the impeller 5 to discharge the air outside through the smoke exhaust pipe. Nip area: the high-efficiency filter screen 2 is set at the air inlet and the front end of the net cover 3, and the oil fume mixed air containing grease is first filtered and collected through the high-efficiency filter screen 2, and then filtered through the net cover 8 for a ...

Embodiment 3

[0035] Embodiment 3: On the basis of Embodiment 2, the high-efficiency filter screen 2 is filter cotton, which is a composite fiber net, which is processed by using composite fibers in different proportions. The high-efficiency filter screen 2 is mainly composed of polyester fiber, PP fiber, PET fiber and other high-performance anti-break synthetic fibers obtained after compounding. The fiber arrangement of the high-efficiency filter screen 2 is in an increasing structure, from the air inlet direction to the air outlet direction The density gradually increases. The thickness of the high-efficiency filter 2 is most suitable between 10-30mm, and the weight is 100-300g / m 2 The most suitable, flame retardant, safe and reliable, and the main material is non-toxic, non-polluting, and harmless to the human body. The high-efficiency filter screen 2 is made through cotton blending, opening, carding, net laying, hot air setting, cold air setting, punching, and edge sealing. Good filte...

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Abstract

The invention discloses an efficient-filtering exhaust hood with no need for dismounting and washing. The efficient-filtering exhaust hood mainly comprises an air deflector, a mesh enclosure, an air duct and an outer shell, wherein the air duct is fixed inside the outer shell; the air deflector is positioned at the forefront end of an air inlet of the air duct; the mesh enclosure is positioned inthe air duct; and a detachable disposable efficient filtering screen is arranged at the front part of the mesh enclosure. According to the efficient-filtering exhaust hood disclosed by the invention,the detachable disposable efficient filtering screen is arranged at the front part of the mesh enclosure, so that most grease can be effectively filtered out and collected, and the filtering efficiency can be improved; and meanwhile, oil fume is prevented from entering a fan system, and then the interior of the efficient-filtering exhaust hood has no need for dismounting and washing.

Description

technical field [0001] The invention relates to a range hood structure, in particular to a high-efficiency filter and non-dismantling and cleaning range hood. Background technique [0002] The current range hood filtration system generally combines front-end condensation filtration and centrifugal fan filtration. The overall filtration effect is not good, and about 10% of the oil is still discharged into the atmosphere, and there are some disadvantages. For example, the front-end condensation filter is generally a mesh structure, and the size of the mesh determines its filtration efficiency. The smaller the mesh opening, the better the filtration effect, but it is easy to be blocked by grease, resulting in a decline in the smoking effect of the range hood, or even no smoking at all. , and this small mesh filter is often very troublesome to clean; if the mesh is too large, the filtering effect will be poor, resulting in most of the work of filtering grease to the internal cen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24C15/20
CPCF24C15/2035
Inventor 任富佳吕春明陈志涛卢列存郁明跃余国成
Owner HANGZHOU ROBAM APPLIANCES CO LTD
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