CN104456678A - Range hood - Google Patents
Range hood Download PDFInfo
- Publication number
- CN104456678A CN104456678A CN201410707681.5A CN201410707681A CN104456678A CN 104456678 A CN104456678 A CN 104456678A CN 201410707681 A CN201410707681 A CN 201410707681A CN 104456678 A CN104456678 A CN 104456678A
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- CN
- China
- Prior art keywords
- wireway
- unit
- gas
- flue gas
- pump unit
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention provides a range hood. The range hood comprises a suction unit, an ejection unit, gas guide pipes and an exhaust unit, wherein the suction unit is connected with the ejection unit through the gas guide pipes and used for sucking cooking fumes in the kitchen and part of gas ejected by the ejection unit; the gas guide pipes are used for guiding flue gas sucked by the suction unit to the ejection unit and comprises a first gas guide pipe and a second guide pipe which are communicated; the ejection unit comprises nozzles which are mounted at a gas outlet of the second gas guide pipe and used for ejecting flue gas in the gas guide pipes in the direction of the exhaust unit. The flue gas ejected by the nozzles adsorbs nearby cooking fume gas, so that part of gas is exhausted by the exhaust unit, the other part of gas is sucked by the suction unit again, is ejected by the nozzles and sucks nearby cooking fume gas again, accordingly, the range hood adopts the ejecting principle, smoke in the range hood is adsorbed by the flue gas ejected by the ejection unit, the exhaust speed is increased, and the suction efficiency of the range hood is further improved.
Description
Technical field
The invention belongs to domestic cookers field, be specifically related to a kind of smoke exhaust ventilator.
Background technology
The Smoking regime of current exhaustor for kitchen mostly is simple suction, and the flue gas in kitchen directly aspirates by the blower fan in smoke exhaust ventilator, is then discharged.When flue gas in kitchen is comparatively large or lampblack absorber is used after a period of time, flue gas can not siphon away by simple Smoking regime at short notice in time, easily causes flue gas residence in kitchen, and oil smoke diffuses in other rooms by kitchen, can affect indoor integrated environment.Current routine often by with more powerful blower fan, increase exhausting amount, but comparatively waste energy like this.
Jet injection is used in mass transport process, by the principle of injection, the jet velocity of jet pipe ejection is higher, the negative pressuren zone lower than external atmosphere pressure is defined at Around Jet, thus the air in the injection external world and flue gas, with jet flow forward, but there is no report injection method be applied in smoke exhaust ventilator at present.
Summary of the invention
The present invention carries out for solving the problem, and by providing a kind of novel cooking fume exhauster, utilizing injection principle, absorbing fast the flue gas in kitchen, improves the suction effect of smoke exhaust ventilator further.
Present invention employs following technical scheme:
The invention provides a kind of smoke exhaust ventilator for aspirating flue gas in kitchen, there is such feature, comprising: pump unit, injection unit, wireway and exhaust unit, pump unit is connected with injection unit by wireway.Pump unit is used for aspirating the portion gas that the oil smoke in kitchen and injection unit eject; The flue gas that wireway is used for pump unit aspirates is directed in injection unit, comprise the first wireway and the second wireway that interconnect, first wireway is communicated with pump unit, and the second wireway is connected with injection unit, and the internal diameter of the first wireway is greater than the internal diameter of the second wireway; Injection unit comprises nozzle, be installed on the gas outlet place on the second wireway, for being sprayed to exhaust unit direction by the flue gas in wireway, the flue gas of nozzle ejection entrainments neighbouring soot gas, a part is discharged by exhaust unit, and another part is sucked unit suction again.
Smoke exhaust ventilator provided by the invention, can also possess such feature: the shape of nozzle is thin slit-shaped, Pinhole-shaped or other forms of nozzle.
Smoke exhaust ventilator provided by the invention, can also possess such feature: pump unit is centrifugal blower.
Smoke exhaust ventilator provided by the invention, can also possess such feature: the number of the nozzle on every root second wireway is at least 1.
Smoke exhaust ventilator provided by the invention, can also possess such feature: the number of the second wireway is at least one.
Invention effect and effect
According to smoke exhaust ventilator provided by the invention, comprise pump unit, injection unit, wireway and exhaust unit, pump unit is connected with injection unit by wireway, aspirates for the portion gas ejected the oil smoke in kitchen and injection unit, the flue gas that wireway is used for pump unit aspirates is directed in injection unit, comprise the first wireway and the second wireway that interconnect, first wireway is communicated with pump unit, and the second wireway is connected with injection unit, and the internal diameter of the first wireway is greater than the internal diameter of the second wireway, injection unit comprises nozzle, be installed on the gas outlet place on the second wireway, for the flue gas in wireway is sprayed to exhaust unit direction, because the flue gas of nozzle ejection entrainments neighbouring soot gas, a part is discharged by exhaust unit, another part is sucked unit suction again, then sprayed by nozzle, again entrainment neighbouring soot gas, smoke exhaust ventilator provided by the invention is made to utilize injection principle, the soot gas of injected for the soot gas in lampblack absorber unit injection is entrainmented, accelerate the speed be discharged, further increase the pumping efficiency of current lampblack absorber.
Accompanying drawing explanation
Fig. 1 is the structural representation of lampblack absorber of the present invention.
Fig. 2 is the pump step flow chart of lampblack absorber of the present invention.
Detailed description of the invention
The specific embodiment of the present invention is illustrated below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of smoke exhaust ventilator of the present invention.
As shown in Figure 1, smoke exhaust ventilator 100 comprises shell 10, pump unit 1, wireway 2, injection unit 3 and exhaust unit 4, exhaust unit 4 is positioned at the top of shell 10, and pump unit 1 is positioned at the below of exhaust unit 4, is communicated with between pump unit 1 and injection unit 2 by wireway 2.
Pump unit 1 comprises oil smoke air entry 11 and oil smoke gas outlet 12, and oil smoke gas outlet 12 is communicated with wireway 2; Wireway 2 comprises the first wireway 21 and the second wireway 22 interconnected, first wireway 21 is connected with the oil smoke gas outlet 12 of pump unit 1, with multiple gas outlet 221 on second wireway 22, the internal diameter of the second wireway 22 is less than the internal diameter of the first wireway 21, for the flue gas that pump unit 1 is aspirated, be directed in injection unit 3; Injection unit 3 comprises multiple nozzle 31, and spout is thin slit-shaped, and nozzle 31 is installed on the gas outlet 221 on the second wireway 22, for being sprayed at a high speed by the flue gas in wireway 22.
Fig. 2 is the pump step flow chart of smoke exhaust ventilator of the present invention.
As shown in Figure 2, the step of the smoke exhaust ventilator drawing smoke in the present embodiment is as follows:
Step one, pump unit 1 aspirates the soot gas produced in kitchen, and soot gas enters into the first wireway 21 through oil smoke gas outlet 12;
Step 2, soot gas enters in the second wireway 22 by the first wireway 21, through gas outlet 221, by nozzle 31 ejection at a high speed;
Step 3, is entrainmented the lower soot gas of neighbouring translational speed by the soot gas sprayed at a high speed in step 2, and a part is discharged by exhaust unit 4, and another part is again sucked unit 1 and aspirates;
Step 4, the soot gas that pump unit 1 aspirates repeats step 1 above to step 3, again until smoke exhaust ventilator quits work.
In the present embodiment, pump unit is the comparatively normal centrifugal blower adopted in current smoke exhaust ventilator, and oil smoke air entry 11 and oil smoke gas outlet 12 are respectively air entry and the gas outlet of centrifugal blower.
In the present embodiment, nozzle selects the nozzle of dimension in prior art, and the shape of nozzle vent is thin slit-shaped, but the shape of spout is not restricted to this kind of shape, as long as the high speed ejection that can realize flue gas is all passable, as being Pinhole-shaped.
In the present embodiment, the number of the second wireway is one, on second wireway, the number of gas outlet is 4, the number of corresponding nozzle is 4 equally, according to practical situations, when flue gas is larger in kitchen, the number of gas outlet and nozzle on the number of the second wireway and the second wireway can be increased, reach the object of discharging kitchen flue gas as early as possible.
Embodiment effect and effect
According to the smoke exhaust ventilator that the present embodiment provides, comprise pump unit, injection unit, wireway and exhaust unit, pump unit is connected with injection unit by wireway, aspirates for the portion gas ejected the oil smoke in kitchen and injection unit; The flue gas that wireway is used for pump unit aspirates is directed in injection unit, comprise the first wireway and the second wireway that interconnect, first wireway is communicated with pump unit, and the second wireway is connected with injection unit, and the internal diameter of the first wireway is greater than the internal diameter of the second wireway; Injection unit comprises nozzle, be installed on the gas outlet place on the second wireway, for the flue gas in wireway is sprayed to exhaust unit direction, the flue gas of nozzle ejection entrainments neighbouring soot gas, a part is discharged by exhaust unit, another part is sucked unit suction again, then sprayed by nozzle, again entrainment neighbouring soot gas, the present embodiment utilizes wireway and nozzle to be applied in smoke exhaust ventilator by the injection method being used for other field, accelerate the speed that flue gas is discharged, improve the pumping efficiency of current smoke exhaust ventilator further.
The invention is not restricted to the scope of detailed description of the invention; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present invention determined in described claim; these changes are apparent, and all innovation and creation utilizing the present invention to conceive are all at the row of protection.
Claims (5)
1. a smoke exhaust ventilator, for aspirating the oil smoke in kitchen, is characterized in that, comprising:
Pump unit, injection unit, wireway and exhaust unit, described pump unit is connected with described injection unit by described wireway,
Wherein, described pump unit is used for aspirating the portion gas that the oil smoke in kitchen and described injection unit eject,
Described wireway is used for the flue gas that described pump unit aspirates to be directed in described injection unit, comprise the first wireway and the second wireway that interconnect, described first wireway is communicated with described pump unit, described second wireway is connected with described injection unit, the internal diameter of described first wireway is greater than the internal diameter of described second wireway
Described injection unit comprises nozzle, and described nozzle is installed on the gas outlet place on described second wireway, for the flue gas in described wireway is sprayed to described exhaust unit direction,
The flue gas of described nozzle ejection entrainments neighbouring soot gas, and a part is discharged by described exhaust unit, and another part is aspirated by described pump unit again.
2. lampblack absorber according to claim 1, is characterized in that:
Wherein, the shape of the spout of described nozzle is any one in thin slit-shaped and Pinhole-shaped.
3. smoke exhaust ventilator according to claim 1, is characterized in that:
Wherein, described pump unit is centrifugal blower.
4. smoke exhaust ventilator according to claim 1, is characterized in that:
Wherein, the number of the nozzle on the second wireway described in every root is at least one.
5. smoke exhaust ventilator according to claim 1, is characterized in that: wherein, and the number of described second wireway is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707681.5A CN104456678A (en) | 2014-11-28 | 2014-11-28 | Range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707681.5A CN104456678A (en) | 2014-11-28 | 2014-11-28 | Range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104456678A true CN104456678A (en) | 2015-03-25 |
Family
ID=52903157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410707681.5A Pending CN104456678A (en) | 2014-11-28 | 2014-11-28 | Range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104456678A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210345Y (en) * | 1994-12-31 | 1995-10-18 | 曲孝先 | Submerged jet type fume exhauster |
| CN1182186A (en) * | 1996-11-11 | 1998-05-20 | 鄂严生 | Cyclonic jet-flow smoke exhauster |
| CA2236136A1 (en) * | 1998-04-29 | 1999-10-29 | Garland Commercial Ranges Limited | Ventilator intake panel for improved filtration of cooking fumes |
| CN2352850Y (en) * | 1997-12-15 | 1999-12-08 | 余义伦 | Arrangement for suction or blowing cooking fume with strong force |
| CN2449109Y (en) * | 2000-09-27 | 2001-09-19 | 于银龙 | Air guiding type cooking fume exhauster |
| CN1387009A (en) * | 2001-05-18 | 2002-12-25 | 梁嘉麟 | Jet-type splittable cooking fume exhauster without contact of cooking fume with fan |
| CN101818920A (en) * | 2010-05-07 | 2010-09-01 | 冯建民 | Ejection-type range hood and oil smoke extraction method thereof |
-
2014
- 2014-11-28 CN CN201410707681.5A patent/CN104456678A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210345Y (en) * | 1994-12-31 | 1995-10-18 | 曲孝先 | Submerged jet type fume exhauster |
| CN1182186A (en) * | 1996-11-11 | 1998-05-20 | 鄂严生 | Cyclonic jet-flow smoke exhauster |
| CN2352850Y (en) * | 1997-12-15 | 1999-12-08 | 余义伦 | Arrangement for suction or blowing cooking fume with strong force |
| CA2236136A1 (en) * | 1998-04-29 | 1999-10-29 | Garland Commercial Ranges Limited | Ventilator intake panel for improved filtration of cooking fumes |
| CN2449109Y (en) * | 2000-09-27 | 2001-09-19 | 于银龙 | Air guiding type cooking fume exhauster |
| CN1387009A (en) * | 2001-05-18 | 2002-12-25 | 梁嘉麟 | Jet-type splittable cooking fume exhauster without contact of cooking fume with fan |
| CN101818920A (en) * | 2010-05-07 | 2010-09-01 | 冯建民 | Ejection-type range hood and oil smoke extraction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tong Zhengming Inventor after: Zhou Bo Inventor after: Huang Haoming Inventor after: Peng Huajun Inventor after: Yang Liu Inventor after: Sun Chao Inventor after: Huang Ruirui Inventor after: Hu Dongliang Inventor after: Xiao Yangyang Inventor after: Ye Lintao Inventor after: Mou Junjie Inventor after: Tong Shiyin Inventor after: Yue Han Inventor after: Wang Fei Inventor after: Huang Fei Inventor after: Li Kai Inventor after: Xu Feng Inventor after: He Juncheng Inventor after: Shui Xiaobo Inventor after: Yang Qiuxiang Inventor after: Yin Yuan Inventor after: Zhu Jiadong Inventor after: Bao Jiayong Inventor after: Hou Peng Inventor before: Tong Zhengming Inventor before: Zhou Bo Inventor before: Huang Haoming Inventor before: Peng Huajun Inventor before: Yang Liu Inventor before: Sun Chao Inventor before: Huang Ruirui Inventor before: Hu Dongliang Inventor before: Xiao Yangyang Inventor before: Ye Lintao Inventor before: Tong Shiyin Inventor before: He Juncheng Inventor before: Shui Xiaobo Inventor before: Yang Qiuxiang Inventor before: Yin Yuan Inventor before: Zhu Jiadong Inventor before: Bao Jiayong Inventor before: Hou Peng |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
|
| RJ01 | Rejection of invention patent application after publication |