CN201126205Y - Household high efficiency air extraction - Google Patents
Household high efficiency air extraction Download PDFInfo
- Publication number
- CN201126205Y CN201126205Y CNU2007200155915U CN200720015591U CN201126205Y CN 201126205 Y CN201126205 Y CN 201126205Y CN U2007200155915 U CNU2007200155915 U CN U2007200155915U CN 200720015591 U CN200720015591 U CN 200720015591U CN 201126205 Y CN201126205 Y CN 201126205Y
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- CN
- China
- Prior art keywords
- smoke exhaust
- exhaust ventilator
- smoke discharging
- fume exhauster
- smoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to the fume exhauster field, especially to a household high efficient fume exhauster, which is applied in restaurant kitchen smoke discharging system in common household, large-scale hotels and the like. The fume exhauster includes a fume exhauster outer housing, a smoke discharging conduit, and a smoke discharging blower fan, characterized in that an air intake casing tube is added outside the smoke discharging conduit of the smoke discharging, a ring shaped channel is formed between the air intake casing tube and the smoke discharging conduit, the fume exhauster outer housing is a double structure composed of an outer shell and an inner shell, a space is formed between the double structure, the space is communicated with the ring shaped channel. The lower edge of the fume exhauster outer housing is provided with a plurality of pores to ensure the outdoor air to be unblocked. One end of the ring shaped channel is communicated with outdoor, and the other end is communicated with the space between the outer shell and the inner shell of the fume exhauster, so that the outdoor fresh air can enter into kitchen. The unblocked current of the outdoor air within the outdoor air can be ensured, thereby improving the smoke discharging efficiency and reducing the indoor environment pollution.
Description
Technical field
The utility model relates to the smoke exhaust ventilator field, and particularly a kind of domestic efficient rate smoke exhaust ventilator is applicable to the smoke evacuation system in food and drink kitchens such as average family and large-scale hotel to have the raising smoke exhaust efficiency, reduces the effect of indoor environmental pollution.
Background technology
In daily life, we often find often to pile up some dirts at stove and accessory and smoke exhaust ventilator closet surface on every side, and these dirts are results of the long-term accumulation of oil droplet, fog in the process of cooking.For sort this problem out, generally adopt smoke exhaust ventilator.But still there are oil droplet and fog spillover.Designed capacity according to present smoke exhaust ventilator, oil droplet and fog can be discharged from indoor fully, spillover does not have, why taking place that oil droplet, fog overflow is because variation has taken place in the flow field of gas, be the residing environment difference of smoke exhaust ventilator, very great variation has taken place in the barometric gradient around the blower fan.
When smoke exhaust ventilator is worked in very big space, the air pressure of the shell edge of lampblack absorber is+1 atmospheric pressure, the pressure at smoke exhaust ventilator fan place is-3 atmospheric pressure (operating pressure), the pressure differential 1-of point-to-point transmission air (3)=4 atmospheric pressure then, air pressure gradient=4/d (d is less than 0.5 meter).
When smoke exhaust ventilator is worked in the good household kitchen of closure, the air pressure of the point that contacts with outdoor air apart from the far point or the kitchen of smoke exhaust ventilator is+1 atmospheric pressure, the pressure at smoke exhaust ventilator fan place is-3 atmospheric pressure (operating pressure), the pressure differential 1-of 2 air (3)=4 atmospheric pressure then, barometric gradient=4/D (D is greater than 3 meters), the air pressure gradient 4/D of the smoke exhaust ventilator that contrast is worked in air makes operating efficiency change much smaller than 4/d.When smoke exhaust ventilator is worked, the air pressure gradient is big more, the easy more quilt of gas around the smoke exhaust ventilator is extracted out fully, air pressure gradient hour, the operating efficiency of smoke exhaust ventilator reduces, and just has portion gas to be dispersed in the air when having cooked a large amount of oil smoke gas, generation oil droplet, fog overflow, descend slowly and lightly to kitchen cabinet, accumulate over a long period, produce dirt.
Summary of the invention
The purpose of this utility model provides a kind of domestic efficient rate smoke exhaust ventilator, reduces dirt in the kitchen, improves the cleaning ambient in kitchen.
Domestic efficient rate smoke exhaust ventilator of the present utility model, comprise smoke exhaust ventilator outer cover, smoke discharging pipe, smoke exhaust fan, the smoke discharging pipe that it is characterized in that smoke exhaust ventilator is set up an air intake sleeve pipe outward, form one circular passage between this air intake sleeve pipe and the described smoke discharging pipe, described smoke exhaust ventilator outer cover is the double-decker of being made up of shell and inner casing, form a space in the middle of this double-decker, this space and circular passage link.
One end of described circular passage communicates with outdoor, and the space between the inside and outside shell of the other end and smoke exhaust ventilator communicates, and makes outdoor fresh air can enter the kitchen.
The lower limb of described smoke exhaust ventilator outer cover is opened several holes, guarantees that outdoor air is unblocked.
The concrete operation principle of domestic efficient rate smoke exhaust ventilator of the present utility model is that a non-discharge flue is installed between smoke exhaust ventilator and discharge flue, this passage is connected with outdoor air, make the air pressure of smoke exhaust ventilator its shell edge when work identical with outdoor air pressure, when smoke exhaust ventilator is worked, produce big barometric gradient between the edge of outer cover and the blower fan, make outdoor fresh air can enter the kitchen, increase near the air flow amount of smoke exhaust ventilator, oil smoke, the steam of cooking when cooking are got rid of fully, reached the purpose that purifies the kitchen.
Concrete structure of the present invention is to add a sleeve pipe on the smoke discharging pipe of smoke exhaust ventilator, the interior conduit of sleeve pipe is the trunk line of mist extractor, passage between the sleeve pipe is communicated with outdoor air, the shell of smoke exhaust ventilator is bilayer, in the middle of double-deck, certain space length is arranged, linking between two pipes of this space and smoke evacuation sleeve pipe, open several holes at the lower limb of smoke exhaust ventilator outer cover, guarantee that outdoor air is unblocked.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
The specific embodiment
Below in conjunction with accompanying drawing specific embodiments of the present utility model is elaborated.
As shown in Figure 1, domestic efficient rate smoke exhaust ventilator of the present utility model, comprise smoke exhaust ventilator outer cover 3, smoke discharging pipe 1, smoke exhaust fan 5, the smoke discharging pipe 1 that it is characterized in that smoke exhaust ventilator is set up an air intake sleeve pipe 2 outward, form one circular passage between this air intake sleeve pipe 2 and the described smoke discharging pipe 1, described smoke exhaust ventilator outer cover is the double-decker of being made up of shell 3 and inner casing 4, forms a space in the middle of this double-decker, and this space and circular passage link.
One end of described circular passage communicates with outdoor, and the space between the inside and outside shell of the other end and smoke exhaust ventilator communicates, and makes outdoor fresh air can enter the kitchen.The lower limb of described smoke exhaust ventilator outer cover 3 is opened several holes 7, guarantees that outdoor air is unblocked.
One end of the circular passage that forms between air intake sleeve pipe 2 and the smoke discharging pipe 1 communicates with outdoor, communicates between the inside and outside shell of the other end and smoke exhaust ventilator, makes the pressure at smoke exhaust ventilator shell edge perforate 7 places equal outdoor atmospheric pressure.When lampblack absorber is worked, produce very big negative pressure around the smoke exhaust fan 5, because shell edge perforate 7 places of smoke exhaust ventilator communicate with outdoor, it is an atmospheric pressure, at this moment, between the edge of casing perforate 7 places and blower fan, produce very big blast gradient, capacity is heightened, make air-flow that the gas that produces in the process of cooking is increased by smoke evacuation tube 1 discharge cleaner, improve smoke exhaust efficiency.
The concrete operation principle of domestic efficient rate smoke exhaust ventilator of the present utility model is that a non-discharge flue is installed between smoke exhaust ventilator shell and smoke discharging pipe 1, this passage is connected with outdoor air, make the air pressure of smoke exhaust ventilator its shell edge when work identical with outdoor air pressure, when smoke exhaust ventilator is worked, produce big barometric gradient between the edge of outer cover and the blower fan, make outdoor fresh air can enter the kitchen, increase near the air flow amount of smoke exhaust ventilator, make the oil smoke of cooking when cooking, steam is got rid of fully, reaches the purpose that purifies the kitchen.
Claims (3)
1, a kind of domestic efficient rate smoke exhaust ventilator, comprise smoke exhaust ventilator outer cover, smoke discharging pipe, smoke exhaust fan, the smoke discharging pipe that it is characterized in that smoke exhaust ventilator is set up an air intake sleeve pipe outward, form one circular passage between this air intake sleeve pipe and the described smoke discharging pipe, described smoke exhaust ventilator outer cover is the double-decker of being made up of shell and inner casing, form a space in the middle of this double-decker, this space and circular passage link.
2, domestic efficient rate smoke exhaust ventilator according to claim 1 is characterized in that an end of described circular passage communicates with outdoor, and the space between the inside and outside shell of the other end and smoke exhaust ventilator communicates.
3, domestic efficient rate smoke exhaust ventilator according to claim 1 is characterized in that the lower limb of described smoke exhaust ventilator outer cover is opened several holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200155915U CN201126205Y (en) | 2007-11-01 | 2007-11-01 | Household high efficiency air extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200155915U CN201126205Y (en) | 2007-11-01 | 2007-11-01 | Household high efficiency air extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201126205Y true CN201126205Y (en) | 2008-10-01 |
Family
ID=39999674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200155915U Expired - Fee Related CN201126205Y (en) | 2007-11-01 | 2007-11-01 | Household high efficiency air extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201126205Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490038A (en) * | 2017-08-04 | 2017-12-19 | 赵延斌 | A kind of air exchanging method of smoke exhaust ventilator |
| CN108036504A (en) * | 2017-12-01 | 2018-05-15 | 苏州印丝特纺织数码科技有限公司 | A kind of efficient hot-air heating installation |
-
2007
- 2007-11-01 CN CNU2007200155915U patent/CN201126205Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490038A (en) * | 2017-08-04 | 2017-12-19 | 赵延斌 | A kind of air exchanging method of smoke exhaust ventilator |
| CN108036504A (en) * | 2017-12-01 | 2018-05-15 | 苏州印丝特纺织数码科技有限公司 | A kind of efficient hot-air heating installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20081001 Termination date: 20101101 |