CN105571041A - Dual closed space external gas barrier equipment - Google Patents
Dual closed space external gas barrier equipment Download PDFInfo
- Publication number
- CN105571041A CN105571041A CN201610105865.3A CN201610105865A CN105571041A CN 105571041 A CN105571041 A CN 105571041A CN 201610105865 A CN201610105865 A CN 201610105865A CN 105571041 A CN105571041 A CN 105571041A
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- China
- Prior art keywords
- wall
- air guide
- guide hole
- air
- confined space
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Duct Arrangements (AREA)
Abstract
The invention discloses dual closed space external gas barrier equipment. The dual closed space external gas barrier equipment comprises a closed space shell provided with a window; a guide runner surrounding the edge of the window, and enclosed by an annular inner wall and an annular outer wall to form a gas flow channel; a first air guide port and a second air guide port formed in gaps in the connecting places of the annular inner wall and the annular outer wall, receiving gas flows from the gas flow channel in the guide runner, and leading the gas flows to flow out of the closed space shell; a wall surface near the annular inner wall of the first air guide port serving as a first Keenda surface; a wall surface near the annular outer wall of the second air guide port serving as a second Keenda surface; and an air supply device conveying the gas flows to the guide runner through a ventilation way. The equipment can be installed in a window of an expressway ticket kiosk for discharging tail gas, peculiar smell and the like of vehicles out of a closed space to prevent workers from harm of various harmful gases.
Description
Technical field
The present invention relates to fluid technique field, particularly relate to a kind of doublet type confined space extraneous gas and intercept equipment.
Background technology
At vehicle approach ticket booth, carry out mutual whole process with the staff in ticket booth, the window of ticket booth must be opened all the time, and tail gas, the peculiar smell of vehicle all enter airtight ticket booth by the window of ticket booth, cause injury to the health of staff.In addition, the pernicious gas such as haze easily enters comparatively airtight ticket booth by this window.Because ticket booth window is the mutual passage in staff and the external world, and frequency of utilization and height thereof, some in esse automation xegregating units cannot be installed on window.
Summary of the invention
The object of the invention is to, a kind of structure is proposed simple, the doublet type confined space extraneous gas being easy to install and use intercepts equipment, solve the location window such as existing highway ticket booth to open all the time, the problem that Vehicular exhaust, peculiar smell are constantly the entered ticket booth health of confined space to staff by window damages.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of doublet type confined space extraneous gas intercepts equipment, comprising:
Confined space housing, is provided with window;
Water conservancy diversion circuit, around described edge of window along arranging;
Described water conservancy diversion circuit is enclosed by annular inner wall, annular outer wall and forms a gas channel, described annular outer wall laminating edge of window edge, and annular inner wall, annular outer wall opposite face are connected by dowel;
Annular inner wall, formation gap, annular outer wall junction are respectively equipped with the first air guide hole, the second air guide hole, and the first air guide hole, the second air guide hole receive the air-flow from water conservancy diversion circuit internal gas flow passage, and guide described air flow direction confined space hull outside;
The wall being close to the annular inner wall of described first air guide hole is the first Coanda surface, and the wall being close to the annular outer wall of described second air guide hole is the second Coanda surface;
Air-supply arrangement, by ventilating duct to water conservancy diversion circuit delivery air.
Wherein, described first Coanda surface, angle between the second Coanda surface and water conservancy diversion circuit central axis are between 7 °-20 °.
Wherein, the distance between described first air guide hole, the second air guide hole exit opposite face is 0.5mm-10mm.
Wherein, the distance between described first air guide hole, the second air guide hole exit opposite face is 5mm.
Beneficial effect of the present invention is:
One, the air after supercharging is constantly transported to the gas channel of water conservancy diversion circuit inside through the turbofan in air-supply arrangement by air.Described water conservancy diversion circuit is along described edge of window along arranging, air-flow is filled water conservancy diversion circuit inside and is directly ejected from the first described air guide hole, the second air guide hole, air guide hole guides air-flow to flow through annular inner wall, annular outer wall rapidly flow toward confined space hull outside, forms a negative pressuren zone in confined space water conservancy diversion circuit position.Air-flow near confined space inner window, by the impact of negative pressuren zone, forms the quick flow from confined space enclosure interior to confined space hull outside; The air of confined space hull outside window periphery also can converge with the air-flow that the first air guide hole, the second air guide hole spray because the flowing of air-flow causes negative pressure.Various air-flow superposition will form the effect absorbing ability of air and outwards blow, and makes various air-flow can not flow to confined space enclosure interior perpendicular to confined space housing externally flows.
Two, the first air guide hole, the second air guide hole and water conservancy diversion circuit is concentric arranges, such that the structure of window is reasonable, lines are soft and graceful, visually more attractive.And it is easier that the concentric locating of the first air guide hole, the second air guide hole and water conservancy diversion circuit makes to manufacture.Water conservancy diversion circuit inside has enough primary airs from the first air guide hole, the second air guide hole ejection, thus reaches maximum Air Entrainment and maximum secondary streams amount.
Three, the said equipment can be installed on the window in the similar places such as ticket booth, roadside, high speed clearance card booth, newsstand, the tail gas, peculiar smell etc. of vehicle can be discharged in confined space, in order to avoid various pernicious gas causes actual bodily harm to the staff in confined space by described equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation that doublet type confined space extraneous gas of the present invention intercepts that equipment is installed on ticket booth;
Fig. 2 is the structural representation of water conservancy diversion circuit of the present invention;
Fig. 3 is the partial section of water conservancy diversion circuit of the present invention;
Fig. 4 is the air flow direction figure that doublet type confined space extraneous gas of the present invention intercepts when equipment works.
Reference numeral is:
Water conservancy diversion circuit-1; Gas channel-11; Dowel-12; First Coanda surface-13; First air guide hole-14; Annular inner wall-15; Second air guide hole-16; Second Coanda surface-17; Annular outer wall-18; Window-2; Edge of window is along-21; Ventilating duct-3; Air-supply arrangement-4; Confined space housing-5.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
Consult shown in Fig. 1 to Fig. 3, confined space of the present invention is an industry security term, refers to a sealing and the environment of obturation, relatively with the external world isolates, and import and export limited, gravity-flow ventilation is bad; Sealed or half-sealed space, there is space that is sealed or half-sealed in affected by environment causing in the special period.Such as husky well, tunnel, pump house etc.From security standpoint main finger, personnel come in and go out limited, there is adverse factor.Described confined space is restricted due to turnover place, adds confined space usually containing excessive volatile solvent steam and other any environmental conditions containing life-threatening or health.For highway ticket booth, the present invention illustrates that described doublet type confined space extraneous gas intercepts the structure and working principle of equipment, the application places not limiting described equipment is only high speed clearance card booth.Shown in accompanying drawing of the present invention with described window 2 for circle is illustrated, do not limit conglobate by the shape of described window 2 in actual applications, the shape of window 2 can also be the combination of any single shapes such as square, rectangle, ellipse, triangle, polygon or various shape.
Consult a kind of doublet type confined space extraneous gas shown in Fig. 1,2,3 and intercept equipment, comprising:
Confined space housing 5, is provided with window 2; Can carry out selling ticket, transmission data etc. by described window 2 staff, described window 2 can be the arbitrary shape such as square, circular, oval, described edge of window can be male and fomale(M&F), parabola or arc surface along 21 surfaces, and edge of window can be applied in this embodiment along the 21 arbitrary shapes in surface.
Water conservancy diversion circuit 1, is arranged along 21 around described edge of window; Described water conservancy diversion circuit 1 fits edge of window along 21 settings, and the shape of water conservancy diversion circuit 1 is arranged to identical with the shape of window.
Described water conservancy diversion circuit is enclosed by annular inner wall 15, annular outer wall 18 and forms a gas channel 11, and described annular outer wall 18 fits edge of window along 21, and annular inner wall 15, annular outer wall 18 opposite face are connected by dowel 12.The shape in described water conservancy diversion circuit cross section can be triangle, ellipse, circle, polygon or water-drop-shaped etc., adopts dowel 12 annular inner wall 15, annular outer wall 18 to be connected, simple to operate, arbitrarily can dismantle, install, safeguard.
Annular inner wall 15, formation gap, annular outer wall 18 junction are respectively equipped with the first air guide hole 14, second air guide hole 16, first air guide hole 14, second air guide hole 16 receives the air-flow from water conservancy diversion circuit internal gas flow passage 11, and guides described air flow direction confined space housing 5 outside.The quick flow that first air guide hole 14 sprays makes window form negative pressuren zone in the inner side of confined space, drives the air-flow of confined space inside to be discharged to confined space from confined space by window.The quick flow that second air guide hole 16 sprays makes window form negative pressuren zone in the outside side of confined space, and the air-flow driving the air-flow near confined space external windows and the second air guide hole 16 to spray converges, and flows to confined space outside.The air-flow of the first air guide hole 14, second air guide hole 16 ejection converges the more powerful negative pressuren zone of formation, has larger entrainment ability to the air-flow of surrounding.
The wall being close to the annular inner wall 15 of described first air guide hole 14 is the first Coanda surface 13, and the wall being close to the annular outer wall 18 of described second air guide hole 16 is the second Coanda surface 17; The air-flow that first air guide hole 14 sprays is flow through described first Coanda surface 13 and is exaggerated by Coanda effect, and described annular inner wall 15 of fitting flows out fast to confined space is outside.The air-flow that second air guide hole 16 sprays is flow through described second Coanda surface 17 and is exaggerated by Coanda effect, and described annular outer wall 18 of fitting flows out fast to confined space is outside.Air-flow amplifies by the first Coanda surface 13, second Coanda surface 17, accelerate after form more powerful negative pressuren zone, have the air-flow of surrounding and larger entrainment ability.
Air-supply arrangement 4, by ventilating duct 3 to water conservancy diversion circuit delivery air.
The whole configuration of described first air guide hole 14, second air guide hole 16 and water conservancy diversion circuit makes the angle between described first Coanda surface 13, second Coanda surface 17 and water conservancy diversion circuit central axis be between 7 °-20 °.The setting of described angle makes air-flow can flow through Coanda surface efficiently, and can fit annular inner wall 15, annular outer wall 18 of air-flow flows through, and air-flow can be spread to window-external surrounding.
Distance between described first air guide hole 14, second air guide hole 16 exit opposite face is 0.5mm-10mm.Preferably, the distance between described first air guide hole 14, second air guide hole 16 exit opposite face is 5mm.Wind speed, the air quantity of the first air guide hole 14, second air guide hole 16 of expectation are depended in the selection of the spacing of described first air guide hole 14, second air guide hole 16 opposite face.Distance between first air guide hole 14, second air guide hole 16 opposite face can be the same or different.
Consult shown in Fig. 4, in above-mentioned embodiment, air-supply arrangement 4 is constantly to delivery air in water conservancy diversion circuit 1, and the primary air of water conservancy diversion circuit 1 is ejected in window formation area of low pressure from the first air guide hole 14, second air guide hole 16, and has the effect of surrounding air suction.Air-flow near confined space inner window, by the impact of negative pressuren zone, forms the quick flow from confined space housing 5 inside to confined space housing 5 outside; The air of confined space housing 5 external windows periphery also can converge with the air-flow that the first air guide hole 14, second air guide hole 16 sprays because the flowing of air-flow causes negative pressure.Various air-flow superposition will form the effect absorbing ability of air and outwards blow, and makes various air-flow can not flow to confined space housing 5 perpendicular to confined space housing 5 externally flows inner.
The said equipment can be installed on the window in the similar places such as ticket booth, roadside, high speed clearance card booth, newsstand, the tail gas, peculiar smell etc. of vehicle can be discharged in confined space, in order to avoid various pernicious gas causes actual bodily harm to staff in confined space by described equipment.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (4)
1. doublet type confined space extraneous gas intercepts an equipment, it is characterized in that: comprising:
Confined space housing, is provided with window;
Water conservancy diversion circuit, around described edge of window along arranging;
Described water conservancy diversion circuit is enclosed by annular inner wall, annular outer wall and forms a gas channel, described annular outer wall laminating edge of window edge, and annular inner wall, annular outer wall opposite face are connected by dowel;
Annular inner wall, formation gap, annular outer wall junction are respectively equipped with the first air guide hole, the second air guide hole, and the first air guide hole, the second air guide hole receive the air-flow from water conservancy diversion circuit internal gas flow passage, and guide described air flow direction confined space hull outside;
The wall being close to the annular inner wall of described first air guide hole is the first Coanda surface, and the wall being close to the annular outer wall of described second air guide hole is the second Coanda surface;
Air-supply arrangement, by ventilating duct to water conservancy diversion circuit delivery air.
2. a kind of doublet type confined space extraneous gas according to claim 1 intercepts equipment, it is characterized in that: described first Coanda surface, angle between the second Coanda surface and water conservancy diversion circuit central axis are between 7 °-20 °.
3. a kind of doublet type confined space extraneous gas according to claim 1 intercepts equipment, it is characterized in that:
Distance between described first air guide hole, the second air guide hole exit opposite face is 0.5mm-10mm.
4. a kind of doublet type confined space extraneous gas according to claim 1 intercepts equipment, it is characterized in that:
Distance between described first air guide hole, the second air guide hole exit opposite face is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105865.3A CN105571041B (en) | 2016-02-26 | 2016-02-26 | A kind of doublet type confined space extraneous gas barrier equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105865.3A CN105571041B (en) | 2016-02-26 | 2016-02-26 | A kind of doublet type confined space extraneous gas barrier equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105571041A true CN105571041A (en) | 2016-05-11 |
| CN105571041B CN105571041B (en) | 2018-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610105865.3A Active CN105571041B (en) | 2016-02-26 | 2016-02-26 | A kind of doublet type confined space extraneous gas barrier equipment |
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| CN (1) | CN105571041B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3045239A1 (en) * | 1980-12-01 | 1982-07-01 | Jakob 6300 Giessen Adam | Room ventilation system with fresh air - generates air jets near opening to outside, moving towards interior |
| DE3529348A1 (en) * | 1985-08-15 | 1987-02-26 | Herbst Donald | Method for ventilating rooms and device for its implementation |
| US5003867A (en) * | 1989-06-02 | 1991-04-02 | Hudson Associates, Inc. | Air conditioning system for grocery store or the like and diffuser units thereof |
| EP1169091B1 (en) * | 1999-04-07 | 2006-08-02 | Marioff Corporation Oy | A barrier apparatus for resisting passage of harmful gases through an opening |
| US20140034039A1 (en) * | 2012-08-03 | 2014-02-06 | Yiwei Qi | Air exchange system with multiple air blowers or fans to produce a cyclone-like air flow |
| CN104343249A (en) * | 2014-10-29 | 2015-02-11 | 贵州中南交通科技有限公司 | Intelligent tollbooth |
| CN104471318A (en) * | 2012-05-18 | 2015-03-25 | 美国扬基蜡烛股份有限公司 | Aerodynamic formula dispersing apparatus |
| CN105352101A (en) * | 2015-12-10 | 2016-02-24 | 南华大学 | Indoor air ventilation device based on Coanda Effect |
| CN205403034U (en) * | 2016-02-26 | 2016-07-27 | 福建新大陆电脑股份有限公司 | Airtight space extraneous gas separation equipment of doublet type |
-
2016
- 2016-02-26 CN CN201610105865.3A patent/CN105571041B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3045239A1 (en) * | 1980-12-01 | 1982-07-01 | Jakob 6300 Giessen Adam | Room ventilation system with fresh air - generates air jets near opening to outside, moving towards interior |
| DE3529348A1 (en) * | 1985-08-15 | 1987-02-26 | Herbst Donald | Method for ventilating rooms and device for its implementation |
| US5003867A (en) * | 1989-06-02 | 1991-04-02 | Hudson Associates, Inc. | Air conditioning system for grocery store or the like and diffuser units thereof |
| EP1169091B1 (en) * | 1999-04-07 | 2006-08-02 | Marioff Corporation Oy | A barrier apparatus for resisting passage of harmful gases through an opening |
| CN104471318A (en) * | 2012-05-18 | 2015-03-25 | 美国扬基蜡烛股份有限公司 | Aerodynamic formula dispersing apparatus |
| US20140034039A1 (en) * | 2012-08-03 | 2014-02-06 | Yiwei Qi | Air exchange system with multiple air blowers or fans to produce a cyclone-like air flow |
| CN104343249A (en) * | 2014-10-29 | 2015-02-11 | 贵州中南交通科技有限公司 | Intelligent tollbooth |
| CN105352101A (en) * | 2015-12-10 | 2016-02-24 | 南华大学 | Indoor air ventilation device based on Coanda Effect |
| CN205403034U (en) * | 2016-02-26 | 2016-07-27 | 福建新大陆电脑股份有限公司 | Airtight space extraneous gas separation equipment of doublet type |
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| Publication number | Publication date |
|---|---|
| CN105571041B (en) | 2018-09-14 |
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Address after: 350000 No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee after: New Continent Digital Technology Co., Ltd. Address before: 350000 No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee before: Fujian Newland Computer Co., Ltd. |