CN1474095A - Air discharge hood for kitchen - Google Patents
Air discharge hood for kitchen Download PDFInfo
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- CN1474095A CN1474095A CNA021282498A CN02128249A CN1474095A CN 1474095 A CN1474095 A CN 1474095A CN A021282498 A CNA021282498 A CN A021282498A CN 02128249 A CN02128249 A CN 02128249A CN 1474095 A CN1474095 A CN 1474095A
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- kitchen
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- exhaust
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Abstract
The kitchen exhauster with air intake and exhaust system has high exhaust efficiency, adjustable ventilating quantity and small volume. The kitchen exhauster includes air suction port parallel with the ceiling and with oil filter; exhaust pipe over the air suction port and with exhaust fan to discharge the sucked air; corrugated filter over the exhaust fan; tubular blower over the air suction port for sucking kitchen air; and inlet port with pipe connected to the tubular blower and pipe mouth unit to exhaust sucked air. The kitchen exhauster can eliminate heat and pollutant from kitchen and other room and raise kitchen utilization.
Description
[technical field]
The present invention relates to air discharge hood for kitchen, particularly relate to according to the kitchen heatflow characteristics and use air-supply and exhaust system, air output with minimum volume is brought up to exhaust efficiency the highest, can regulated at will the volume of air-supply and air draft, be processed into modest type so that the kitchen take up room little, thereby prevent and remove hot gas in kitchen and the room and Pollutants Diffusion effectively to indoor other spaces, improve the utilization rate of kitchen space, be easy to produce air discharge hood for kitchen simple in structure.
[background technology]
Often fill the air pollutants such as hot gas, oil smoke, peculiar smell on the kitchen range top of family or commercial kitchen, these materials also can be along with hot-fluid is diffused in whole kitchen and other room.Therefore people are provided with a hood usually above the kitchen range top, with pollutant by being connected to the piping outside the house and exhaust fan emits.
Drawbacks such as it is low that but this type of hood has efficient, and noise is big are difficult to really reach the purpose that purifies air, and on the contrary, also can cause noise pollution.
Now a lot of high residential buildings all are the closed type windows, and it is particularly important that the indoor air-changing problem seems.
Traditional hood is all attempted to improve by nearest many producers, Japan, and ground such as Europe have been developed and have been utilized air-supply to improve the product of exhaust efficiency.But, utilize these pipelines of air-supply to fail to increase how much efficient, the air of discharge also vortex phenomenon can occur sometimes.
The present inventor had once invented new hood in order to solve above-mentioned drawback before this, and had applied for Korean Patent (application number 2001-12188).This hood comprises the inlet scoop of installing with the wall oblique line, is arranged at the exhaust duct of top, inlet scoop, has reclinate end, pipeline and is used for the room air that sucks is sent into the air outlet in kitchen and the room air air outlet of the mouth of pipe.The air-supply mouth of pipe comprises centrifugal rotor and a plurality of air supply opening, utilizes ' attached wall (coanda) effect ' to reach high gas collection effect with the air-supply of small size.What ' wall attachment effect ' herein described is the trend of air flow direction near curved surface or inclined-plane.
But because the inlet scoop and the indoor air sucting inlet of this hood, parts such as pipeline are oblique line directions with wall, and it is bigger to take up room, and the ajutage mouth structure complexity of centrifugal rotor and air supply opening composition, and manufacturing process is loaded down with trivial details.
[summary of the invention]
The present invention is directed to the problems referred to above and develop.The purpose of this invention is to provide a kind of air discharge hood for kitchen, it uses air-supply and exhaust system according to the kitchen heatflow characteristics, air output with minimum volume is brought up to exhaust efficiency the highest according to ' wall attachment effect ', can regulated at will the volume of air-supply and air draft, be processed into modest type so that the kitchen takes up room little, be easy to produce, simple in structure.
According to the present invention, above-mentioned purpose with other can realize that this air discharge hood for kitchen comprises by following air discharge hood for kitchen: with the inlet scoop that has oil filter of the parallel installation of kitchen ceiling; Be arranged on top one side of inlet scoop and include the exhaust duct that the room air that is used for being sucked by the inlet scoop is discharged into outdoor exhaust fan; The top that is arranged on the exhaust duct exhaust fan also can be welded into the filter unit of bellows form; It is adjacent with exhaust duct to be arranged at the top, inlet scoop, the Shell drum blower fan that is used to suck the room air in kitchen and the room air that sucks is discharged into the kitchen; And, include and be connected with the Shell drum blower fan and the reclinate pipeline in end and be formed on the mouth of pipe unit of the end of this pipeline, be used for the room air that will suck by the Shell drum blower fan with and the air outlet of discharging towards the direction of inlet scoop downwards.
Preferably, the mouth of pipe unit of air outlet can comprise that the downflow system mouth of pipe and end be equipped with the wind-guiding mouth of pipe of tubular wind deflector unit 52a, and the described downflow system mouth of pipe and the described wind-guiding mouth of pipe can be separated by a guide vane.
Further preferably, the Shell drum blower fan can suck room air by its upside opening part, and this opening part can be provided with filter.
[Brief Description Of Drawings]
Above-mentioned purpose, feature and other advantage with other of the present invention will obtain clearer understanding by following detailed description in conjunction with the accompanying drawings, wherein:
Fig. 1 is the perspective view according to the air discharge hood for kitchen of a kind of specific embodiment of the present invention;
Fig. 2 is the profile according to the air discharge hood for kitchen of the specific embodiment of the present invention.
" accompanying drawing major part symbol description "
10: inlet scoop 11: oil filter
20: exhaust duct 21: exhaust fan
22: filter unit 30: the Shell drum blower fan
40: pipeline 50: mouth of pipe unit
51: the downflow system mouth of pipe 52: the wind-guiding mouth of pipe
[specific embodiment]
Describe preferred implementation of the present invention below with reference to accompanying drawings in detail.
Fig. 1 is the perspective view according to air discharge hood for kitchen of the present invention; Fig. 2 is the profile according to air discharge hood for kitchen of the present invention.As depicted in figs. 1 and 2, air discharge hood for kitchen of the present invention comprises inlet scoop 10, exhaust duct 20, filter unit 22, Shell drum blower fan 30, pipeline 40 and mouth of pipe unit 50.Inlet scoop 10 is with the parallel installation of kitchen ceiling and oil filter 11 is housed.Exhaust duct 20 links to each other with top one side of inlet scoop 10 and includes the room air that is used for being sucked by inlet scoop 10 and is discharged into outdoor exhaust fan 21.Filter unit 22 is arranged on the top of the exhaust fan 21 in the exhaust duct 20 and can be welded into the bellows form.Shell drum blower fan 30 is installed in the position of inlet scoop 10 tops adjacent with exhaust duct 20, is used to suck the room air in kitchen and the room air that sucks is discharged into the kitchen.Pipeline 40 is connected with Shell drum blower fan 30, and has reclinate end.Mouth of pipe unit 50 is arranged on the end of pipeline 40, be used for the room air that will suck by Shell drum blower fan 30 with downwards with towards the inlet scoop 10 direction discharge.
Mouth of pipe unit 50 comprises the downflow system mouth of pipe 51 and the wind-guiding mouth of pipe 52 that the guide vane by pipeline 40 separates.Tubular wind deflector unit 52a is formed on an end of the wind-guiding mouth of pipe 52, thereby can make gas collection and air draft maximum effect.
Shell drum blower fan 30 sucks the room air in kitchen by the opening that is formed on its upside.Filter 31 preferably is housed on the opening of Shell drum blower fan 30, is used to filter the room air in kitchen.To be discharged into the kitchen by 30 suctions of Shell drum blower fan and by mouth of pipe unit 50 by the air that filter 31 purifies then.
Be elaborated below in conjunction with the effect and the effect of accompanying drawing to air discharge hood for kitchen of the present invention.
The efficient of air discharge hood for kitchen of the present invention depends on ' attached wall (coanda) effect ' noted earlier.That is to say that when about 8-10% of the draft capacity of this air discharge hood for kitchen is when the downside of air discharge hood for kitchen is discharged, heat that culinary cuisine produces and the air that contains oil smoke are drawn in the hood along the air of discharging.
That is to say that when opening air discharge hood for kitchen of the present invention when culinary art, most of pollutant that culinary art produces at first is inhaled in the inlet scoop 10 by the work of the exhaust fan 21 in the exhaust duct 20, then by oil filter 11.Thereby filter out oil stain in the pollutant by oil filter 11.The pollutant of removing behind the oil stain composition is discharged into outdoor through exhaust duct 20.
Secondly, suck room air by Shell drum blower fan 30.The air quantity that is sucked by the work of Shell drum blower fan 30 can be adjusted to 1: 1 to 1: 7 with the ratio of the total blast volume of being discharged by exhaust fan 21.But preferably, consider factors such as noise and load, the little air quantity that will be controlled to be about 8-50% of the total blast volume of being discharged by exhaust fan 21 by the air quantity that Shell drum blower fan 30 sucks is very effective.
Inhaled air is discharged to the kitchen by mouth of pipe unit 50.That is to say that as described previously, inhaled air is discharged to the kitchen by the pipeline 40 with the passage that is separated by guide vane.Wherein a part of tubular wind deflector unit 52a is discharged into the kitchen by the downflow system mouth of pipe 51, be used to dilute the pollutant that the cooking causes, another part then is discharged into the kitchen by the wind-guiding mouth of pipe 52 by Shell drum blower fan 30 inhaled airs, is used for collecting and guides the pollutant in kitchen and pollutant is directed to inlet scoop 10.
Tubular wind deflector unit 52a is formed on the wind-guiding mouth of pipe 52.Be discharged into inlet scoop 10 along the curved surface of wind deflector unit 52a with little air quantity or high wind speed by Shell drum blower fan 30 inhaled airs.
The air of discharging is not inhaled into inlet scoop 10 thereby make by the air that has pollutant that suction sucked of the inlet scoop 10 of the effect of ventilating fan 21 generation owing to it has high inspiratory force at a high speed again.
In sum, the invention provides the hot gas that can effectively prevent in kitchen and the room and Pollutants Diffusion air discharge hood for kitchen, thereby improve the utilization rate of kitchen space, and be easy to produce to other spaces, simple in structure.
Though for purpose of description discloses the preferred specific embodiment of the present invention, those skilled in the art will appreciate that under the situation of the scope and spirit that do not deviate from claims of the present invention, can carry out various improvement, interpolation and replacement to it.
Claims (3)
1, a kind of air discharge hood for kitchen comprises:
The inlet scoop that has oil filter with the parallel installation of kitchen ceiling;
Be arranged on top one side of inlet scoop and include the exhaust duct that the room air that is used for being sucked by the inlet scoop is discharged into outdoor exhaust fan;
The top that is arranged on the exhaust duct exhaust fan also can be welded into the filter unit of bellows form;
It is adjacent with exhaust duct to be arranged at the top, inlet scoop, the Shell drum blower fan that is used to suck the room air in kitchen and the room air that sucks is discharged into the kitchen; With
Include and be connected with the Shell drum blower fan and the reclinate pipeline in end and be formed on the mouth of pipe unit of the end of this pipeline, be used for the room air that will suck by the Shell drum blower fan downwards with and the air outlet of discharging towards the direction of inlet scoop.
2, according to the air discharge hood for kitchen of claim 1, wherein the mouth of pipe unit of air outlet comprises:
The downflow system mouth of pipe; With
The wind-guiding mouth of pipe of tubular wind deflector unit is equipped with in the end, and the described downflow system mouth of pipe and the described wind-guiding mouth of pipe are separated by a guide vane.
3, according to the air discharge hood for kitchen of claim 1, wherein the Shell drum blower fan sucks air by its upside opening part, and this opening part is provided with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02128249 CN1204363C (en) | 2002-08-06 | 2002-08-06 | Air discharge hood for kitchen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02128249 CN1204363C (en) | 2002-08-06 | 2002-08-06 | Air discharge hood for kitchen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1474095A true CN1474095A (en) | 2004-02-11 |
| CN1204363C CN1204363C (en) | 2005-06-01 |
Family
ID=34143656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02128249 Expired - Fee Related CN1204363C (en) | 2002-08-06 | 2002-08-06 | Air discharge hood for kitchen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1204363C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145779A (en) * | 2019-05-07 | 2019-08-20 | 天津大学 | A kind of commercial kitchen combined exhaust gas system |
-
2002
- 2002-08-06 CN CN 02128249 patent/CN1204363C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145779A (en) * | 2019-05-07 | 2019-08-20 | 天津大学 | A kind of commercial kitchen combined exhaust gas system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1204363C (en) | 2005-06-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |