CN202359797U - Thermal pressure jet-induced exhaust duct - Google Patents
Thermal pressure jet-induced exhaust duct Download PDFInfo
- Publication number
- CN202359797U CN202359797U CN2011205037822U CN201120503782U CN202359797U CN 202359797 U CN202359797 U CN 202359797U CN 2011205037822 U CN2011205037822 U CN 2011205037822U CN 201120503782 U CN201120503782 U CN 201120503782U CN 202359797 U CN202359797 U CN 202359797U
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- exhaust duct
- hot pressing
- main exhaust
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- opening
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Abstract
The utility model discloses a thermal pressure jet-induced exhaust duct, which comprises a main exhaust duct (1) disposed in a hollow vertical shaft in a building. Thermal-insulation material is disposed between the hollow vertical shaft and the main exhaust duct (1). An exhaust port is arranged in a room of the building. The thermal pressure jet-induced exhaust duct is characterized in that the exhaust port (2) is connected with the main exhaust duct (1) through a bend (3), an outlet (4) of the bend (3) is positioned in the main exhaust duct (1), a plane of the outlet (4) is perpendicular to a center line of the main exhaust duct (1), and the outlet (4) is horn-shaped and is provided with an upward opening. The thermal pressure jet-induced exhaust duct is simple in structure and smart in design, can be used for achieving fine indoor ventilation without any electromechanical equipment.
Description
Technical field
The utility model relates to a kind of air discharge structure, particularly a kind of hot pressing injection type exhaust duct.
Background technology
Natural ventilation in the building is a comparative maturity and cheap technology, and it has energy-conserving and environment-protective, improve outstanding advantage such as indoor air quality, has embodied the theory of sustainable development.Therefore, from healthy and energy-conservation angle, natural ventilation has more positive meaning than mechanical ventilation.In recent years because of receiving the influence of factors such as living space standard, saving soil; The ratio of the short middle corridor type multi-storey building in one terraced many families increases year by year; Bedroom in these buildings, the ventilation effect in parlor are generally relatively poor, can't stop draught, particularly summer sultry hard to bear.So the hot pressing Design of ventilation in the natural ventilation extensively receives people's favor with its validity, controllability.The variable density that produces after the hot pressing draught principle mainly relies on air to be heated causes that air flows, and that is to say that the airshaft that upper and lower opening and perforation must be arranged could form " stack effect ".The prevailing model that hot pressing is ventilated has Zhongting pattern, solar chimney pattern, aeration tower pattern, double-deck skin curtain wall pattern etc., but when concrete the application, because the existence of hot pressing exhaust air shaft pipeline neutral plane; The following resident family of neutral plane reduces along floor height direction air intake power gradually; The above resident family of neutral plane air draft power increases gradually, makes upper strata resident family not only can not effectively introduce outdoor new wind, and can get into upper strata resident family from the dirty gas of hectic fever that resident family of lower floor discharges; It is serious more that contamination phenomenon is poured in down a chimney on more past upper strata; In order to address this problem, normally on exhaust duct, to add auxiliary air inducing equipment or anti-and pour in down a chimney measures such as check (non-return) valve, but can increase many investment costs; Also increased the control difficulty; In addition, for common multi-storey building building, adopt air vent modes such as Zhongting, double-deck skin curtain wall pattern also to seem unrealistic.Therefore need a kind of a kind of novel building ventilating structure that can address the above problem now.
Summary of the invention
The utility model is in order to solve the above-mentioned deficiency of existing in prior technology, proposes a kind of simple in structurely, designs ingeniously, does not have the hot pressing injection type exhaust duct that any electromechanical equipment can be realized indoor good ventilation.
The technical solution of the utility model is: a kind of hot pressing injection type exhaust duct; Comprise the main exhaust duct 1 that is arranged in the building cavity vertical shaft; Between cavity vertical shaft and main exhaust duct 1, be provided with the heat-insulation and heat-preservation material, in rooms of buildings, be provided with exhaust opening 2, it is characterized in that: be connected through bend pipe 3 between described exhaust opening 2 and the main exhaust duct 1; The outlet 4 of bend pipe 3 is positioned at main exhaust duct 1; And the center line that exports plane, 4 place and main exhaust duct 1 is perpendicular, and outlet 4 is horn-like, and opening upwards.
Described bend pipe 3 also is horn-like with exhaust opening 2 joining parts.
Described exhaust opening 2 places are provided with blinds valve block 5.
Described exhaust opening 2 is positioned at the rooms of buildings internal upper part.
The exit of said main exhaust duct 1 upper end is provided with self-operated type exhaust blast cap 6.
The utility model is compared with prior art, has following advantage:
The hot pressing injection type exhaust duct of this kind of form of structure; It is simple in structure, designs ingenious, rationally distributed; It has strengthened the air draft ability of hot pressing exhaust duct by self-operated type exhaust blast cap; Saved the living space through being arranged in exhaust duct in the room partition wall, used opening to be the exhaust opening that trumpet-shaped bend pipe connects each layer room, for each layer resident family effectively introduces new wind power is provided with " the injection effect " that makes full use of the hot pressing air-flow; When preventing that air from pouring in down a chimney, can also save the expense of electromechanical equipment.The utility model is specially adapted to the short middle corridor type multilayer residential houses, terraced many families of damp-heat area in summer, utilizes the hot pressing injection to strengthen the night ventilation ventilation.In sum; Its appearance; Can solve the subject matter that the new wind of the existing resident family of dwelling house exhaust air shaft more than neutral plane is smooth, pollution is poured in down a chimney, reduce cost simultaneously and save the space, therefore we can say that it has possessed multiple advantage; Be particularly suitable for applying in the art, its market prospects are very wide.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
Below with the specific embodiment of accompanying drawings the utility model.As shown in Figure 1: a kind of hot pressing injection type exhaust duct; Comprise the main exhaust duct 1 that is arranged in the building cavity vertical shaft 7; Between cavity vertical shaft 7 and main exhaust duct 1, be provided with the heat-insulation and heat-preservation material; In the room of building, be provided with exhaust opening 2, these exhaust openings 2 are positioned at the top of leaning on of house interior, to obtain better circulation of air effect; Be communicated with to get up through bend pipe 3 between exhaust opening 2 and the main exhaust duct 1, and the outlet 4 of bend pipe 3 is positioned at main exhaust duct 1, the plane at outlet 4 places is vertical each other with the center line of main exhaust duct 1, and outlet 4 is horn-like, and opening makes progress; And bend pipe 3 also is horn-like with the part that exhaust opening 2 joins, and opening also is provided with blinds valve block 5 towards indoor at exhaust opening 2 places, so that regulate the size of exhaust air rate; In order further to strengthen the air draft effect, also be provided with self-operated type exhaust blast cap 6 in the exit of main exhaust duct 1 upper end.
The course of work of the hot pressing injection type exhaust duct of the utility model embodiment is following: when the air themperature in the rooms of buildings than outdoor when high; Air in resident family of the lower floor room gets into main exhaust duct 1 through exhaust opening 2; Under hot pressing function, air can upwards flow along main exhaust duct 1 by nature like this; And when air flows through the bend pipe 3 in upper strata resident family room; Can the outlet 4 of bend pipe 3 be submerged in the hot pressing air-flow of rising, because outlet 4 be up horn-like of opening, so the mobile space of air dwindles gradually, and (cross section of trumpet-shaped outlet 4 increases gradually; The sectional area of promptly main exhaust duct 1 dwindles gradually); Under the certain situation of air mass flow, near the air velocity the outlet 4 is accelerated, and forms the negative pressure suction force herein; This negative pressure suction force can impel the air in this room to discharge from exhaust opening 2 smoothly again, forms benign cycle; And the self-operated type exhaust blast cap 6 that is arranged on exit, main exhaust duct 1 upper end rotates under the effect of wind-force aloft, and forms negative pressuren zone in the exit, further promotes air in the main exhaust duct 1 upwards to flow and discharges; This structure can prevent effectively that the pollution of room air between each layer resident family from pouring in down a chimney.
The hot pressing injection type exhaust duct of this form of structure, simple and practical saving space without any need for the electromechanical equipment of the external energy of need, utilizes the injection effect of hot pressing air-flow for resident family fresh air to be provided fully, prevents to pollute to pour in down a chimney.
Claims (5)
1. hot pressing injection type exhaust duct; Comprise the main exhaust duct (1) that is arranged in the building cavity vertical shaft; Between cavity vertical shaft and main exhaust duct (1), be provided with the heat-insulation and heat-preservation material, in rooms of buildings, be provided with exhaust opening (2), it is characterized in that: be connected through bend pipe (3) between described exhaust opening (2) and the main exhaust duct (1); The outlet (4) of bend pipe (3) is positioned at main exhaust duct (1); And the center line of outlet (4) plane, place and main exhaust duct (1) is perpendicular, and outlet (4) is horn-like, and opening upwards.
2. hot pressing injection type exhaust duct according to claim 1 is characterized in that: described bend pipe (3) also is horn-like with exhaust opening (2) joining part.
3. hot pressing injection type exhaust duct according to claim 1 is characterized in that: described exhaust opening (2) locates to be provided with blinds valve block (5).
4. hot pressing injection type exhaust duct according to claim 1 is characterized in that: described exhaust opening (2) is positioned at the rooms of buildings internal upper part.
5. hot pressing injection type exhaust duct according to claim 1 is characterized in that: the exit of said main exhaust duct (1) upper end is provided with self-operated type exhaust blast cap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205037822U CN202359797U (en) | 2011-12-07 | 2011-12-07 | Thermal pressure jet-induced exhaust duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205037822U CN202359797U (en) | 2011-12-07 | 2011-12-07 | Thermal pressure jet-induced exhaust duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202359797U true CN202359797U (en) | 2012-08-01 |
Family
ID=46570992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205037822U Expired - Fee Related CN202359797U (en) | 2011-12-07 | 2011-12-07 | Thermal pressure jet-induced exhaust duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202359797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398042A (en) * | 2019-07-24 | 2019-11-01 | 同济大学建筑设计研究院(集团)有限公司 | A kind of ventilation device and its control method for cutting down elevator shuttle vertical shaft stack effect |
| CN110822610A (en) * | 2019-12-08 | 2020-02-21 | 湖南大学 | Building ventilation duct based on venturi effect |
-
2011
- 2011-12-07 CN CN2011205037822U patent/CN202359797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398042A (en) * | 2019-07-24 | 2019-11-01 | 同济大学建筑设计研究院(集团)有限公司 | A kind of ventilation device and its control method for cutting down elevator shuttle vertical shaft stack effect |
| CN110822610A (en) * | 2019-12-08 | 2020-02-21 | 湖南大学 | Building ventilation duct based on venturi effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20161207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |