CN105737317A - External gas blocking device with multiple air-guiding openings for confined space - Google Patents
External gas blocking device with multiple air-guiding openings for confined space Download PDFInfo
- Publication number
- CN105737317A CN105737317A CN201610105889.9A CN201610105889A CN105737317A CN 105737317 A CN105737317 A CN 105737317A CN 201610105889 A CN201610105889 A CN 201610105889A CN 105737317 A CN105737317 A CN 105737317A
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- CN
- China
- Prior art keywords
- water conservancy
- conservancy diversion
- air
- air guide
- diversion circuit
- 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.)
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Classifications
-
- 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)
- Air-Conditioning For Vehicles (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention provides an external gas blocking device with multiple air-guiding openings for a confined space. The blocking device comprises a confined space shell, draught guiding annular ducts and an air blowing device. The air blowing device transports airflow to the draught guiding annular ducts. A window is formed in the confined space shell. The draught guiding annular ducts are arranged surrounding the rim of the window. Air-guiding openings are formed in the annular walls of the draught guiding annular ducts, and the air-guiding openings are used for receiving airflow from inner channels of the draught guiding annular ducts and guiding the airflow to flow to the exterior of the confined space shell. The annular walls adjacent to the air-guiding openings are Coanda surfaces and the air-guiding openings are arranged to guide the airflow to flow through the Coanda surfaces. The blocking device can be mounted on windows of places such as roadside ticket booths, highway ticket booths and kiosks, tail gas, peculiar smell and the like of a vehicle can be exhausted from the confined space through the blocking device, so that staff working in the confined space are protected against physical injury caused by various noxious gas.
Description
Technical field
The present invention relates to air-flow art field, the extraneous gas of the confined space particularly relating to a kind of many air guide holes intercepts equipment.
Background technology
At vehicle approach ticket booth, with the whole process that the staff in ticket booth interacts, the window of ticket booth must be opened all the time, and the tail gas of vehicle, abnormal flavour all pass through the window of ticket booth and enter airtight ticket booth, and the health of staff is caused injury.It addition, the harmful gass such as haze enter comparatively airtight ticket booth easily by this window.Due to the ticket booth window passage that to be staff mutual with the external world, and use frequency and height thereof, it is impossible to some in esse automatization xegregating units are installed on window.
Summary of the invention
The technical problem to be solved in the present invention, it is in that to provide a kind of simple in construction, the extraneous gas of the confined space being easily installed many air guide holes of use intercepts equipment, the window solving the position ticket booths such as existing highway ticket booth is opened all the time, and the tail gas of vehicle, abnormal flavour are constantly entered, by window, the problem that the health of staff is damaged by the confined space of ticket booth.
The present invention is achieved in that the extraneous gas of the confined space of a kind of many air guide holes intercepts equipment, including confined space housing, water conservancy diversion circuit and air-supply arrangement；Described water conservancy diversion circuit includes the first water conservancy diversion circuit, the second water conservancy diversion circuit, and described air-supply arrangement is to the first water conservancy diversion circuit and the second water conservancy diversion circuit delivery air；Described confined space housing is provided with window, and described first water conservancy diversion circuit is around described edge of window along arranging, and the first annular inwall of described first water conservancy diversion circuit convexes to form an arcwall face away from described edge of window along direction；The summit of described arcwall face projection is provided with the first air guide hole, and described first air guide hole receives the air-flow of the first inner passage of the first water conservancy diversion circuit, and guides described air flow direction confined space hull outside；Described second water conservancy diversion circuit is through by dowel and the first water conservancy diversion circuit, forms the 3rd air guide hole between the second water conservancy diversion circuit, the first water conservancy diversion circuit apparent surface；Second annular inner wall of described second water conservancy diversion circuit is provided with the second air guide hole, and the ring wall surface being close to described second air guide hole is Coanda surface, and described second air guide hole is set to guide air-flow to flow through described Coanda surface.
Wherein, the angle between the axis of described Coanda surface and the second water conservancy diversion circuit is between 7 °-20 °.
Wherein, described second water conservancy diversion circuit includes the wall of at least one second inner passage limiting the second water conservancy diversion circuit and the second air guide hole, and at least one wall includes the opposite face limiting the second air guide hole exit.
Wherein, the distance between the opposite face in described second air guide hole exit is 0.5mm-10mm.
Wherein, the distance between the opposite face in described second air guide hole exit is 5mm.
It is an advantage of the current invention that:
One, the first air guide hole and the first inner passage, the second air guide hole and the second inner passage are arranged concentrically so that the structure of window is reasonable, lines are soft and graceful, visually more attractive, and the air guide hole location concentric with inner passage makes to manufacture and be easier to.
Two, the air after supercharging is constantly delivered to the first inner passage of the first water conservancy diversion circuit by air turbofan in air-supply arrangement.First inner passage has enough primary airs and sprays from the first air guide hole so that air-flow can against arcwall face and flow through.The air-flow of the first inner passage can also be transported to the second inner passage by dowel, and the air-flow of the second inner passage sprays the second air guide hole and flows through Coanda surface to the outside quickly outflow of confined space, thus reaching maximum Air Entrainment and maximum secondary streams amount.Namely being formed from confined space enclosure interior to the quick flow of confined space hull outside at the thereabout of confined space, the air of confined space window periphery is as the flowing of air-flow causes negative pressure and converges with the air-flow of the first air guide hole, the second air guide hole ejection.Various air-flow superpositions will be formed and absorb the effect that ability of air is outwards blown so that various air-flows are perpendicular to confined space housing to flows outside without flowing to confined space enclosure interior.
Three, the said equipment is mountable on the window in the similar places such as ticket booth, roadside, high speed clearance card booth, newsstand, and can also continue with described window and carry out ticketing.The tail gas of vehicle, abnormal flavour etc. can be transferred through described equipment and discharge in confined space, in order to avoid staff in confined space is caused actual bodily harm by various harmful gas.
Accompanying drawing explanation
The extraneous gas that Fig. 1 is the confined space of many air guide holes of the present invention intercepts a kind of embodiment structural representation that equipment is installed on confined space；
Fig. 2 is the structural representation of the water conservancy diversion circuit of the present invention；
Fig. 3 is the schematic cross-section of the water conservancy diversion circuit of the present invention；
Fig. 4 is the air flow direction schematic diagram after the confined space described extraneous gas obstruct equipment of installation of the present invention.
Label declaration:
Water conservancy diversion circuit-1；Second water conservancy diversion circuit-11；Second air guide hole-111；Conical region-1110；Exit-1111；Inwall-1112；Outer wall-1113；Coanda surface-1114；Second ring wall surface-112；Second inner passage-113；Second water conservancy diversion circuit lower wall surface-114；First water conservancy diversion circuit-12；First air guide hole-121；Arcwall face-122；Dowel-13；3rd air guide hole-14；Window-2；Edge of window is along-21；Ventilating duct-3；Air-supply arrangement-4；Confined space housing-5.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Confined space of the present invention is an industrial safety term, refers to the environment of a sealing and obturation, is relatively isolated with the external world, imports and exports limited, and gravity-flow ventilation is bad；Sealed or half-sealed space, there is sealed or half-sealed space in affected by environment causing in the special period.Such as husky well, tunnel, pump house etc..Refer mainly to personnel from security standpoint and come in and go out limited, there is harmful factor.Described confined space is restricted due to turnover place, adds that confined space usually contains excessive volatile solvent steam and other any environmental conditions containing life-threatening or health.The present invention illustrates the structure and working principle of the extraneous gas obstruct equipment of the confined space of described many air guide holes for highway ticket booth, and the application places being not limiting as described equipment is only high speed clearance card booth.It is illustrated with described window 2 for circle shown in accompanying drawing of the present invention, not limiting 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.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 embodiments of the present invention along the 21 arbitrary shapes in surface.
Consulting shown in Fig. 1,2,3, the extraneous gas of the confined space of a kind of many air guide holes intercepts equipment, including confined space housing 5, water conservancy diversion circuit 1 and air-supply arrangement 4；Described water conservancy diversion circuit 1 includes first water conservancy diversion circuit the 12, second water conservancy diversion circuit 11, described air-supply arrangement 4 by ventilating duct 3 to the first water conservancy diversion circuit 12 and the second water conservancy diversion circuit 11 delivery air；Described confined space housing 5 is provided with window 2, and described first water conservancy diversion circuit 12 is arranged along 21 around described edge of window, and the first annular wall of described first water conservancy diversion circuit 12 convexes to form an arcwall face 122 away from described edge of window along 21 directions；The summit of described arcwall face 122 projection is provided with the first air guide hole 121, and described first air guide hole 121 receives the air-flow of the first inner passage of the first water conservancy diversion circuit 12, and guides described air flow direction confined space housing 5 outside；Described second water conservancy diversion circuit 11 is through by dowel 13 and the first water conservancy diversion circuit 12, forms the 3rd air guide hole 14 between the apparent surface of the arcwall face composition of the second water conservancy diversion circuit lower wall surface 114 and the first water conservancy diversion circuit；Second ring wall surface 112 of described second water conservancy diversion circuit 11 is provided with the second air guide hole 111, the second ring wall surface 112 being close to described second air guide hole 111 is Coanda surface 1114, and described second air guide hole 111 is set to guide air-flow to flow through described Coanda surface 1114.
In above-mentioned embodiment, described Coanda surface 1114 is arranged so that air-flow leaves from the second air guide hole 111 and is directed to flow through the primary air of Coanda surface 1114 and is exaggerated by Coanda effect, and the second ring wall surface 112 of the second water conservancy diversion circuit 11 that laminating is described quickly flows out to confined space housing 5 is outside.Described second water conservancy diversion circuit 11 includes at least one wall limiting the second inner passage 113 and the second air guide hole 111, and at least one wall includes the opposite face limiting the exit 1111 of the second air guide hole 111.Described second air guide hole 111 includes inwall 1112, outer wall 1113 and convergent in the conical region 1110 in the second air guide hole 111 exit 1111, and the outlet of described second air guide hole 111 is the gap or spacing that are formed between inwall 1112 and outer wall 1113.In the exit 1111 of the second air guide hole 111, inwall 1112, outer wall 1113 opposite face between spacing be selected in the scope of 0.5mm to 10mm, its preferred distance range is 5mm.Distance between described inwall 1112,1,113 two walls of outer wall selects to depend on wind speed and the air quantity of desired second air guide hole 111.
The whole configuration of described second air guide hole 111 and the second water conservancy diversion circuit 11 makes the angle between Coanda surface 1114 and the axis of the second water conservancy diversion circuit 11 be between 7 °-20 °, the setting of described angle makes air-flow can flow through Coanda surface 1114 efficiently, and the second ring wall surface 112 of the second water conservancy diversion circuit 11 of can fitting flows through, final guiding air-flow can spread to surrounding.
In above-mentioned embodiment, air-supply arrangement 4 is constantly to delivery air in the first water conservancy diversion circuit 12.The primary air of the first water conservancy diversion circuit 12 sprays from the first air guide hole 121, and along arcwall face 122 to the outside quickly flowing of confined space housing 5, in generation area of low pressure, window 2 place, and has the effect of additional air suction around.The air-flow of the first inner passage of the first water conservancy diversion circuit 12 can also pass through described dowel 13 to be transmitted to the second water conservancy diversion circuit 11, directed ejection the second air guide hole 111 of primary air within second water conservancy diversion circuit 11 also flows through Coanda surface 1114, and be exaggerated by Coanda effect, have the effect of additional air suction around.Confined space inner window ambient air is collected by the quick flow of first air guide hole the 121, second air guide hole 111 ejection, and guide air-flow to flow fast through the 3rd air guide hole 14 between first water conservancy diversion circuit the 12, second water conservancy diversion circuit 11, converge so that the window's position forms large-area area of low pressure through the quick flow of the 3rd air guide hole 14 and the air-flow of first air guide hole the 121, second air guide hole 111 ejection, reach the draw ambient air purpose to confined space housing 5 flows outside.
The air flow direction that above-mentioned embodiment is formed see Fig. 4, secondary streams is by entrainmenting from external environment condition, produce especially from the air near the outward flange of thereabout region and first water conservancy diversion circuit the 12, second water conservancy diversion circuit 11, the part secondary streams entrainmented by primary air can also directed and on ring wall surface by the arcwall face 122 of the first water conservancy diversion circuit 12 and the second water conservancy diversion circuit 11.Described secondary streams through window, is combined with primary air in first water conservancy diversion circuit the 12, second water conservancy diversion circuit 11 position of window with generation from the outside high velocity air of window.Ambient air is inhaled and is involved in by described high velocity air, drives ambient air to flow from confined space interior.It is prevented from the harmful substances such as vehicle exhaust, haze, dust particle by the way to float towards in confined space.
The extraneous gas being only the confined space of the many air guide holes of the present invention described in upper intercepts the embodiment of equipment; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (5)
1. the extraneous gas of the confined space of air guide hole more than a kind intercepts equipment, it is characterised in that: include confined space housing, water conservancy diversion circuit and air-supply arrangement；Described water conservancy diversion circuit includes the first water conservancy diversion circuit and the second water conservancy diversion circuit；
Described air-supply arrangement is to the first water conservancy diversion circuit and the second water conservancy diversion circuit delivery air；
Described confined space housing is provided with window, and described first water conservancy diversion circuit is around described edge of window along arranging, and the first annular inwall of described first water conservancy diversion circuit convexes to form an arcwall face away from described edge of window along direction；The summit of described arcwall face projection is provided with the first air guide hole, and described first air guide hole receives the air-flow of the first inner passage of the first water conservancy diversion circuit, and guides described air flow direction confined space hull outside；
Described second water conservancy diversion circuit is through by dowel and the first water conservancy diversion circuit, forms the 3rd air guide hole between the second water conservancy diversion circuit, the first water conservancy diversion circuit apparent surface；
Second annular inner wall of described second water conservancy diversion circuit is provided with the second air guide hole, and the ring wall surface being close to described second air guide hole is Coanda surface, and described second air guide hole is set to guide air-flow to flow through described Coanda surface.
2. the extraneous gas of the confined space of many air guide holes according to claim 1 intercepts equipment, it is characterised in that:
Angle between the axis of described Coanda surface and the second water conservancy diversion circuit is between 7 °-20 °.
3. the extraneous gas of the confined space of many air guide holes according to claim 1 intercepts equipment, it is characterized in that: described second water conservancy diversion circuit includes the wall of at least one second inner passage limiting the second water conservancy diversion circuit and the second air guide hole, at least one wall includes the opposite face limiting the second air guide hole exit.
4. the extraneous gas of the confined space of many air guide holes according to claim 3 intercepts equipment, it is characterised in that: the distance between the opposite face in described second air guide hole exit is 0.5mm-10mm.
5. the extraneous gas of the confined space of many air guide holes according to claim 3 intercepts equipment, it is characterised in that: the distance between the opposite face in described second air guide hole exit is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105889.9A CN105737317B (en) | 2016-02-26 | 2016-02-26 | A kind of extraneous gas barrier equipment of the confined space of more air guide holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105889.9A CN105737317B (en) | 2016-02-26 | 2016-02-26 | A kind of extraneous gas barrier equipment of the confined space of more air guide holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105737317A true CN105737317A (en) | 2016-07-06 |
| CN105737317B CN105737317B (en) | 2018-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610105889.9A Active CN105737317B (en) | 2016-02-26 | 2016-02-26 | A kind of extraneous gas barrier equipment of the confined space of more air guide holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105737317B (en) |
Citations (10)
| 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 |
| CN102705912A (en) * | 2012-06-20 | 2012-10-03 | 河北工业大学 | Personalized environment control system for expressway toll booth |
| 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 |
| CN205403033U (en) * | 2016-02-26 | 2016-07-27 | 福建新大陆电脑股份有限公司 | Extraneous gas separation equipment in airtight space of many wind -guidings mouth |
-
2016
- 2016-02-26 CN CN201610105889.9A patent/CN105737317B/en active Active
Patent Citations (10)
| 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 |
| CN102705912A (en) * | 2012-06-20 | 2012-10-03 | 河北工业大学 | Personalized environment control system for expressway toll booth |
| 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 |
| CN205403033U (en) * | 2016-02-26 | 2016-07-27 | 福建新大陆电脑股份有限公司 | Extraneous gas separation equipment in airtight space of many wind -guidings mouth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105737317B (en) | 2018-09-14 |
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| C10 | Entry into substantive examination | ||
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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. |