CN201785995U - High-rise residential kitchen cross-smoke prevention exhausting passage - Google Patents
High-rise residential kitchen cross-smoke prevention exhausting passage Download PDFInfo
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- CN201785995U CN201785995U CN2010202531426U CN201020253142U CN201785995U CN 201785995 U CN201785995 U CN 201785995U CN 2010202531426 U CN2010202531426 U CN 2010202531426U CN 201020253142 U CN201020253142 U CN 201020253142U CN 201785995 U CN201785995 U CN 201785995U
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Abstract
The utility model discloses a high-rise residential kitchen cross-smoke prevention exhausting passage, which comprises a main exhausting passage, an auxiliary air exhausting passage, check valves, a diversion component, a fixing support, a fan and a funnel cap. The main exhausting passage is parallelly connected with the auxiliary air exhausting passage into a whole by the aid of a partition plate; a resident exhausting hose communicated with the auxiliary air exhausting passage is arranged outside the auxiliary air exhausting passage; the diversion component capable of controlling upward exhausting of airflow is arranged inside the main exhausting passage and communicated with the partition plate and the resident exhausting hose; one check valve and the fixing support are arranged inside the auxiliary air exhausting passage and at the position communicated with the resident exhausting hose; the other check valve is further arranged above the diversion component; and the fan is arranged at the air exhausting outlet position of the auxiliary air exhausting passage. The high-rise residential kitchen cross-smoke prevention exhausting passage not only can normally exhaust oil fume, but also can keep exhausting of a certain quantity of air in a kitchen not in cooking, can ensure prevention of cross smoke and taint odor of a system by the aid of a negative-pressure passage, is favorable for improving air quality in a residential room, and is simple in structure and convenient in processing and manufacturing.
Description
Technical field
The utility model relates to a kind of exhaust duct, relate in particular to a kind of be used for high residential building effectively prevent between each resident family smoke blowing mutually, taint of odour and non-culinary art the time can realize that the kitchen maintains the exhaust duct of certain air draft.
Background technology
Along with high residential building day by day increases, resident families use shared exhaust duct just to become the main mode that solves high-rise kitchen oil extraction flue gas.The concentrated exhaust duct of existing various uniform section or pressure swing type is although also all be equipped with one way valve, in the middle of the actual motion, when ubiquity upper strata resident family does not cook, the oil smoke gas of resident family of lower floor in the inlet chamber, causes indoor secondary pollution by the air inlet port on upper strata in last row's process.When the peak period of cooking, can occur also that oil smoke gas that upper strata resident family discharges is counter goes into indoor to resident family of lower floor, or phenomenon such as the air draft of resident family of lower floor is not smooth.For many years, technician in this professional domain is seeking various solutions always, for example: Chinese patent, the patent No. is the disclosed a kind of transformation Preventing cross flue pipe of ZL99240504.1, it comprises main exhaust 4, venturi variable-pressure plate 1, air draft bend pipe 3 and unidirectional exhaust valve 2, fixing in the air draft bend pipe 3 air outlets exhaust duct of insertion from inside to outside up, in exhaust duct, be provided with unidirectional exhaust valve 2; And the cross section of air draft bend pipe 3 is successively decreased to air outlet is descending gradually by air intake, and the cross-sectional area of air outlet is reduced gradually by the following supreme floor of floor.Because air draft bend pipe 3 inserts main exhaust from inside to outside, and the cross section of air draft bend pipe 3 is successively decreased gradually by air intake to air outlet, air draft bend pipe 3 places are being arranged, the cross-sectional area of main exhaust 4 increases gradually, when when the flue gas of air draft bend pipe 3 exhausts is discharged the air draft bend pipe, because the unexpected increase that cross-section of pipeline is long-pending, cause the speed of flue gas to descend rapidly, be unfavorable for the discharge of flue gas, and the flue gas on the main exhaust 4 is through the air draft bend pipe 3 on upper strata the time, because the cross-sectional area of main exhaust increases gradually, also cause the flow velocity decline of the flue gas of main exhaust 4 to be unfavorable for taking away the flue gas that upper strata air draft bend pipe has just been discharged simultaneously.
For another example, Chinese patent, the patent No. is the disclosed a kind of esidential building kitchen exhaust systems of ZL200620028477.1, is made up of smoke vent and kitchen exhaust guide device, is provided with the forward air inlet road junction that communicates with atmosphere in the bottom of smoke vent, and be provided with fence in import, the top of exhaust duct is provided with rain shade, and kitchen exhaust guide device connector is the tubular of L type, and it is fixed on the smoke vent wall in every kitchen, its gas outlet is arranged in the flue, and air inlet port communicates with the kitchen.Because the flue of house kitchen can not guarantee all exterior walls of close building, so the bad enforcement of air inlet port is set.The air inlet port that communicates with atmosphere can not guarantee all to be in the zone of positive pressure of building windward side, and when being in the negative pressuren zone of leeward side, natural wind action is not obvious.Moreover when the peak period that resident family cooks, the normal pressure in the exhaust duct is very big, and this oil smoke gas will occur from the phenomenon that this air inlet port effluxes on the contrary, causes building to face the ground surrounding environment and is polluted.
Summary of the invention
The purpose of this utility model is to propose a kind of high residential building kitchen Preventing cross flue pipe, when both can having realized cooking, guarantees this exhaust duct the normal oil extraction flue gas work of resident family kitchen, can realize that again resident family is when the non-cooking, increase a ventilation and negative pressure ventilation system to the kitchen, reach the purpose that improves IAQ (indoor air quality), the more important thing is, solved the shortcoming that present high-rise shared ventilation system has smoke blowing, taint of odour phenomenon.
To achieve these goals, the utility model provides following technical scheme: a kind of high residential building kitchen Preventing cross flue pipe, comprise main exhaust, auxiliary exhast duct, check (non-return) valve, air guide, fixed support, blower fan and blast cap, it is characterized in that: main exhaust and auxiliary exhast duct walk abreast by dividing plate and connect into an integral body, outside auxiliary exhast duct, be provided with coupled logical resident family's exhaust hose, in main exhaust, be provided with one and communicate with dividing plate and resident family's exhaust hose and can control the air guide that air-flow upwards discharges; Be provided with check (non-return) valve and fixed support in auxiliary exhast duct inside and with the resident family exhaust hose place of being connected, above air guide, also be provided with check (non-return) valve; Wind exhausting outlet place at auxiliary exhast duct is provided with a blower fan.
Bottom, air guide of the present utility model lower end is sealed, and the air guide bottom is quadrangle or arc.
The actual internal area of auxiliary exhast duct of the present utility model is less than the cross-sectional flow area of main exhaust.In addition, dividing plate central authorities are provided with an opening, and the installation diameter of the size of opening and air guide is complementary.
The utility model compared with prior art increases complicated electric controller, and just simply the start and stop by range hood and two gravity check (non-return) valves can realize that just two kinds of duties of exhaust duct switch.Two check (non-return) valves are arranged in the air guide cleverly, and after range hood was opened, stronger air pressure blew valve plate, and check (non-return) valve has cut out the UNICOM with auxiliary exhast duct, and another is then opened, and has realized that with main exhaust UNICOM oil smoke is only to the main exhaust exhaust.When range hood was not opened, two check (non-return) valves cut out the air inlet port that leads to main exhaust, and communicate with the auxiliary exhaust road under the differential pressure action of deadweight and the right and left.The auxiliary exhast duct that increases, being equivalent to has increased a negative pressure channel between original high residential building exhaust system and resident family kitchen, even in the peak period of cooking, if a certain resident family does not cook, the oil smoke gas in the exhaust duct can not seal in this resident family kitchen yet.Under the swabbing action of auxiliary exhast duct, even gravity check (non-return) valve imprecision, the oil smoke gas that seals in also enters in the auxiliary exhast duct.From as can be seen above, structure of the present utility model is different from existing various exhaust duct, decapacitation realizes that existing exhaust duct is when culinary art outside the normal oil extraction flue gas, the kitchen also maintains a certain amount of air draft in the time of can also being implemented in non-culinary art, and the existence of negative pressure channel, smoke blowing, taint of odour phenomenon do not take place in the system that can guarantee, help improving the indoor air quality of dwelling house.The utility model is simple in structure is convenient to processing and manufacturing.
Description of drawings
Fig. 1 is existing transformation Preventing cross flue pipe structural representation;
Fig. 2 a is the structural representation of duty 1 of the present utility model;
Fig. 2 b is the structural representation of the state of doing 2 of the present utility model;
Fig. 3 is an A-A cross-sectional view of the present utility model;
Fig. 4 is a B-B cross-sectional view of the present utility model.
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is done explanation in further detail, but the utility model is not limited to these embodiment.On the contrary, the utility model is intended to cover all conversion scheme, remodeling and the coordinate that comprises in the spirit and scope of the present utility model that are limited by the accompanying claims.
The specific embodiment
Referring to Fig. 2-Fig. 4, high residential building of the present utility model kitchen Preventing cross flue pipe, comprise main exhaust 1, auxiliary exhast duct 2, check (non-return) valve (3,4), air guide 5, fixed support 6, blower fan 7 and blast cap 8, wherein, main exhaust 1 walks abreast by dividing plate 9 with auxiliary exhast duct 2 and connects into an integral body, be provided with coupled logical resident family's exhaust hose 10 in that auxiliary exhast duct 2 is outer, in main exhaust 1, be provided with one and communicate with dividing plate 9 and resident family's exhaust hose 10 and can control the air guide 5 that air-flow makes progress and discharges.Be provided with check (non-return) valve 3 and fixed support 6 in auxiliary exhast duct 2 inside and with resident family exhaust hose 10 places of being connected, above air guide 5, also be provided with check (non-return) valve 4; Wind exhausting outlet place at auxiliary exhast duct 2 is provided with a blower fan 7.
Bottom, the utility model air guide 5 lower ends is sealed, and air guide 5 bottoms can be quadrangle or arc.The actual internal area of auxiliary exhast duct 2 is less than the cross-sectional flow area of main exhaust 1 especially.
Be provided with an opening in dividing plate 9 central authorities, the installation diameter of the size of opening and air guide 5 is complementary, and makes openings of sizes can insert air guide 5.
Below in conjunction with description of drawings running of the present utility model, referring to Fig. 2 a, when the range hood of resident family is not opened, under the effect that the oil suction cigarette suction and the circular valve plate of the set blower fan 7 of auxiliary exhast duct 2 outlets are conducted oneself with dignity, check (non-return) valve 4 cuts out, thereby cuts off main exhaust 1 and indoor communication port.At this moment, check (non-return) valve 3 is opened, and opens the air inlet port of auxiliary exhast duct 2, so just is equivalent in the resident family kitchen ventilation and negative pressure ventilation system is housed, and can realize certain ventilation.The more important thing is, even it is close that check (non-return) valve 4 is not closed completely, main exhaust 1 has air-flow to leak, the soot gas that leaks can enter into the ventilation and negative pressure ventilation system equally, can not go here and there again in the kitchen of resident family, efficiently solve the gravity check (non-return) valve that generally uses in the present kitchen exhaust systems, the shortcoming of non-return poor effect.
Participate in Fig. 2 b, when the range hood of resident family is opened, after the oil smoke gas that flows arrives air guide, check (non-return) valve 3 is under stronger fluid pressure action, closed the air intake vent that communicates with exhast duct 2, stoped oil smoke gas to enter in the auxiliary exhast duct 2, check (non-return) valve 4 is opened simultaneously, so just oil smoke gas has been discharged in the main exhaust 1, has realized the degassing function the same with existing exhaust system.
This shows that the utility model does not increase complicated electric controller, but simply just can realize the switching of two kinds of duties by the start and stop of range hood and two gravity check (non-return) valves.Two check (non-return) valves are arranged in the air guide cleverly, and after range hood was opened, stronger air pressure blew the circular valve plate of check (non-return) valve 3, had closed the air inlet port that leads to auxiliary exhast duct.When range hood was not opened, the valve plate of two check (non-return) valves was closed the air inlet port that leads to main exhaust under the differential pressure action of deadweight and the right and left.The special auxiliary exhast duct that increases of the utility model, be equivalent between original high residential building exhaust system and resident family kitchen, increase a negative pressure channel, even in the peak period of cooking, if a certain resident family does not cook, the oil smoke gas in the exhaust duct can not seal in this resident family kitchen yet.Under the swabbing action of auxiliary exhast duct, even gravity check (non-return) valve imprecision, the oil smoke gas that seals in also enters in the auxiliary exhast duct.Therefore, structure of the present utility model is different from existing various exhaust duct, decapacitation realizes that existing exhaust duct is when culinary art outside the normal oil extraction flue gas, the kitchen also maintains a certain amount of air draft in the time of can also being implemented in non-culinary art, the design of pressure passageway, smoke blowing, taint of odour phenomenon do not take place in the system that can guarantee, help improving the indoor air quality of dwelling house.
Claims (4)
1. high residential building kitchen Preventing cross flue pipe, comprise main exhaust (1), auxiliary exhast duct (2), check (non-return) valve (3,4), air guide (5), fixed support (6), blower fan (7) and blast cap (8), it is characterized in that: main exhaust (1) walks abreast by dividing plate (9) with auxiliary exhast duct (2) and connects into an integral body, be provided with coupled logical resident family's exhaust hose (10) in that auxiliary exhast duct (2) is outer, in main exhaust (1), be provided with one and communicate with dividing plate (9) and resident family's exhaust hose (10) and can control the air guide (5) that air-flow makes progress and discharges; Be provided with check (non-return) valve (3) and fixed support (6) in auxiliary exhast duct (2) inside and with resident family's exhaust hose (10) place of being connected, also be provided with check (non-return) valve (4) in air guide (5) top; Wind exhausting outlet place at auxiliary exhast duct (2) is provided with a blower fan (7).
2. high residential building as claimed in claim 1 kitchen Preventing cross flue pipe is characterized in that: bottom, described air guide (5) lower end is sealed, and air guide (5) bottom is quadrangle or arc.
3. high residential building as claimed in claim 1 kitchen Preventing cross flue pipe is characterized in that: the actual internal area of described auxiliary exhast duct (2) is less than the cross-sectional flow area of main exhaust (1).
4. high residential building as claimed in claim 1 kitchen Preventing cross flue pipe is characterized in that: described dividing plate (9) central authorities are provided with an opening, and the installation diameter of the size of opening and air guide (5) is complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202531426U CN201785995U (en) | 2010-07-09 | 2010-07-09 | High-rise residential kitchen cross-smoke prevention exhausting passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202531426U CN201785995U (en) | 2010-07-09 | 2010-07-09 | High-rise residential kitchen cross-smoke prevention exhausting passage |
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| Publication Number | Publication Date |
|---|---|
| CN201785995U true CN201785995U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202531426U Expired - Fee Related CN201785995U (en) | 2010-07-09 | 2010-07-09 | High-rise residential kitchen cross-smoke prevention exhausting passage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426336A (en) * | 2018-05-31 | 2018-08-21 | 深圳市万居科技股份有限公司 | A kind of dual-purpose Wind discharging hat |
| CN108573097A (en) * | 2018-04-03 | 2018-09-25 | 同济大学 | A kind of uniform air guide design method based on exhausting duct area control |
| CN108626834A (en) * | 2018-05-31 | 2018-10-09 | 深圳市万居科技股份有限公司 | A kind of multi-purpose Wind discharging hat |
| CN111006044A (en) * | 2019-12-30 | 2020-04-14 | 唐山市正达建筑材料有限公司 | Jet drainage gas-drawing fire-proof valve for house building and use method thereof |
-
2010
- 2010-07-09 CN CN2010202531426U patent/CN201785995U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573097A (en) * | 2018-04-03 | 2018-09-25 | 同济大学 | A kind of uniform air guide design method based on exhausting duct area control |
| CN108573097B (en) * | 2018-04-03 | 2021-10-15 | 同济大学 | Uniform flow guide component design method based on exhaust duct area control |
| CN108426336A (en) * | 2018-05-31 | 2018-08-21 | 深圳市万居科技股份有限公司 | A kind of dual-purpose Wind discharging hat |
| CN108626834A (en) * | 2018-05-31 | 2018-10-09 | 深圳市万居科技股份有限公司 | A kind of multi-purpose Wind discharging hat |
| CN108426336B (en) * | 2018-05-31 | 2023-09-29 | 深圳市万居科技股份有限公司 | Dual-purpose exhaust cap |
| CN108626834B (en) * | 2018-05-31 | 2023-09-29 | 深圳市万居科技股份有限公司 | Multipurpose exhaust cap |
| CN111006044A (en) * | 2019-12-30 | 2020-04-14 | 唐山市正达建筑材料有限公司 | Jet drainage gas-drawing fire-proof valve for house building and use method thereof |
| CN111006044B (en) * | 2019-12-30 | 2024-03-01 | 唐山市正达建筑材料有限公司 | Jet drainage air-draft fireproof valve for house building and use method thereof |
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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: 20110406 Termination date: 20120709 |