CN105588249A - Closed space air flow guiding device with shielding function - Google Patents
Closed space air flow guiding device with shielding function Download PDFInfo
- Publication number
- CN105588249A CN105588249A CN201610105888.4A CN201610105888A CN105588249A CN 105588249 A CN105588249 A CN 105588249A CN 201610105888 A CN201610105888 A CN 201610105888A CN 105588249 A CN105588249 A CN 105588249A
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- Prior art keywords
- guide hole
- shaped
- air guide
- annular air
- wall
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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
Abstract
The invention provides a closed space air flow guiding device with the shielding function. The closed space airflow guiding device with the shielding function comprises a closed space shell provided with a window, a flow guiding annular channel arranged around the edge of the window, and an air feeding device, wherein according to the flow guiding annular channel, a U-shaped airflow channel is defined by a U-shaped inner wall and a U-shaped outer wall; one outer wall face of the U-shaped outer wall is attached to the edge of the window; the opposite faces of the U-shaped inner wall and the U-shaped outer wall are connected though connecting bars; seams are formed in the joints of the U-shaped inner wall and the U-shaped outer wall and provided with a first annular air guiding port and a second annular air guiding port, and the diameter of the first annular air guiding port is smaller than that of the second annular air guiding port; the first annular air guiding port and the second annular air guiding port receive airflow from the U-shaped airflow channel and guides the airflow to flow to the outside of the closed space shell; and the air feeding device conveys air flow to the U-shaped airflow channel of the flow guiding annular channel. The closed space air flow guiding device with the shielding function is installed on a window of a highway ticket booth, and tail gas, peculiar smell and the like of a vehicle can all be discharged out of a closed space.
Description
Technical field
The present invention relates to fluid technique field, relate in particular to a kind of confined space gas that possesses function of shieldingDiversing flow system.
Background technology
At vehicle approach ticket booth, carry out mutual whole process, the window of ticket booth with the staff in ticket boothMust open all the time, tail gas, the peculiar smell of vehicle all enter airtight ticket booth by the window of ticket booth, to workPersonnel's health has caused injury. In addition, the pernicious gas such as haze easily enters comparatively close by this windowThe ticket booth closing. Because ticket booth window is staff and extraneous mutual passage, 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, propose a kind of simple in structurely, what be easy to install and use possesses function of shieldingConfined space gas flow guiding equipment, has solved the location window such as existing highway ticket booth and has opened all the time, vehicleTail gas, peculiar smell constantly enter by window asking that the confined space of ticket booth damages staff's healthTopic.
To achieve these goals, the technical solution adopted in the present invention is:
A confined space gas flow guiding equipment that possesses function of shielding, comprising:
Confined space housing, is provided with window;
Water conservancy diversion circuit, around described edge of window along setting;
Described water conservancy diversion circuit is enclosed and is formed a U-shaped gas channel by U-shaped inwall, U-shaped outer wall, described U-shapedOuter wall one outside wall surface laminating edge of window edge, connects by dowel between U-shaped inwall, U-shaped outer wall opposite face;
U-shaped inwall, formation gap, U-shaped outer wall intersection, be respectively equipped with the first annular air guide hole, the second ringShape air guide hole, the diameter of the first annular air guide hole is less than the diameter of the second annular air guide hole, the first annular wind-guidingMouth, the second annular air guide hole receive the air-flow from U-shaped gas channel, and guide described air flow direction airtightSpace hull outside;
Air-supply arrangement, to the U-shaped gas channel delivery air of water conservancy diversion circuit.
Wherein, between the described first annular air guide hole exit opposite face in described U-shaped gas channel cross sectionDistance is 0.5-10mm; Distance between the second annular air guide hole exit opposite face is 0.5-10mm.
Wherein, between the described first annular air guide hole exit opposite face in described U-shaped gas channel cross sectionDistance is 5mm; Distance between the second annular air guide hole exit opposite face is 5mm.
Wherein, the first annular air guide hole in described U-shaped gas channel cross section, the second annular air guide hole central pointDistance be 1mm-50mm.
Beneficial effect of the present invention is:
One, air is constantly transported to water conservancy diversion circuit through the turbofan in air-supply arrangement by the air after superchargingInner gas channel. Described water conservancy diversion circuit is along described edge of window along setting, and air-flow is filled water conservancy diversion circuit insideAnd directly eject from the first described annular air guide hole, the second annular air guide hole. The first annular air guide hole sprayThe quick flow going out forms the first low-pressure area in water conservancy diversion circuit center. The air-flow of the first annular air guide hole ejectionEntrainment the air-flow of confined space inside, make it in confined space Rapid Flow to confined space, confined spaceInterior air-flow is subject to the impact of U-shaped outer wall bottom arcwall face to produce Coanda effect, and the speed of air-flow is accelerated,The ability of entrainmenting is stronger. The air-flow of the second annular air guide hole ejection is in the outer ring of the first annular air guide hole ejection air-flowForm the second low-pressure area, entrainment near the air-flow of confined space external windows, make it away from confined space housingFlow. Various air-flow stacks will form and absorb the effect of ability of air to the outside air-supply of confined space, makeVarious air-flows can not flow to confined space enclosure interior perpendicular to confined space housing to flows outside.
Two, the first annular air guide hole, the second annular air guide hole arrange with water conservancy diversion circuit is concentric, make windowStructure is reasonable, lines are soft and graceful, visually more attractive. And the first annular air guide hole, the second annularIt is easier that the concentric locating of air guide hole and water conservancy diversion circuit makes to manufacture. Water conservancy diversion circuit inside has enoughPrimary air is from the first annular air guide hole, the second annular air guide hole ejection, thus reach maximum Air Entrainment andMaximum secondary streams amount.
Three, the said equipment can be installed on the similar places such as ticket booth, roadside, high speed clearance card booth, newsstandOn window, tail gas, the peculiar smell etc. of vehicle can be discharged in confined space by described equipment, has in order to avoid variousEvil gas causes actual bodily harm to the staff in confined space.
Brief description of the drawings
Fig. 1 is the structure that confined space gas flow guiding equipment that the present invention possesses function of shielding is installed on ticket boothSchematic diagram;
Fig. 2 is the schematic perspective view of water conservancy diversion circuit of the present invention;
Fig. 3 is the front view of water conservancy diversion circuit of the present invention;
Fig. 4 is the profile of A-A direction in Fig. 3;
Fig. 5 is the partial enlarged drawing at C position in Fig. 4;
Fig. 6 is the air flow direction that the present invention possesses confined space gas flow guiding equipment when work of function of shieldingFigure.
Reference numeral is:
Water conservancy diversion circuit-1; The first annular air guide hole-11; The second annular air guide hole-12; U-shaped outer wall-13;U-shaped inwall-14; Gas channel-15; 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 theseEmbodiment does not limit the present invention, and those of ordinary skill in the art makes according to these embodimentsStructure, method or function on conversion be all included in protection scope of the present invention.
Consult shown in Fig. 1 to Fig. 4, confined space of the present invention is an industry security term, refers toA sealing and inaccessible environment, isolate relative with the external world, to import and export limitedly, gravity-flow ventilation is bad; SealingFormula or half-sealed space, the space that causes occurring in the special period sealed or half-sealed affected by environment.Such as husky well, tunnel, pump house etc. Come in and go out from the main finger personnel of security standpoint limited, have noxaElement. Described confined space, because turnover place is restricted, adds that confined space contains excessive waving conventionallyThe property sent out solvent vapo(u)r and other any life-threatening or healthy environmental conditions of containing. The present invention is with highwayTicket booth is structure and the operation principle that possesses the confined space gas flow guiding equipment of function of shielding described in example illustrates,The application places that does not limit described equipment is only high speed clearance card booth. Shown in accompanying drawing of the present invention with described window 2For circle is illustrated, in actual applications by conglobate the shape restriction of described window 2,The shape of window 2 can also be that square, rectangle, ellipse, triangle, polygon etc. are single arbitrarilyThe combination of shape or various shape.
Consult a kind of confined space gas flow guiding equipment that possesses function of shielding shown in Fig. 1,2,3,4, bagDraw together:
Confined space housing 5, is provided with window 2; By described window 2 staff can sell ticket,Transmission data etc., described window 2 can be the shape arbitrarily such as square, circular, oval, described window21 surfaces, edge can be male and fomale(M&F), parabola or arc surface, and shape is all arbitrarily along 21 surfaces for edge of windowCan apply in this embodiment.
Water conservancy diversion circuit 1, around described edge of window along 21 settings; Described water conservancy diversion circuit 1 is fitted edge of window along 21Arrange, the shape of water conservancy diversion circuit 1 is arranged to identical with the shape of window.
Described water conservancy diversion circuit 1 is enclosed and is formed a U-shaped gas channel 15 by U-shaped inwall 14, U-shaped outer wall 13,Described U-shaped outer wall 13 1 outside wall surface are fitted edge of windows along 21, U-shaped inwall 14, U-shaped outer wall 13 opposite facesBetween connect by dowel; U-shaped inwall 14, U-shaped outer wall 13 formation gaps, intersection, be respectively equipped withThe diameter of one annular air guide hole 11, the annular air guide hole 11 of the second annular air guide hole 12, the first is less than the second ringThe diameter of shape air guide hole 12, the first annular air guide hole 11, the second annular air guide hole 12 receive from U-shaped gasThe air-flow of circulation road 15, and guide described air flow direction confined space housing 5 outsides.
Air-supply arrangement, U-shaped gas channel 15 delivery airs by ventilating duct 3 to water conservancy diversion circuit 1.
Present embodiment, described water conservancy diversion circuit 1 adopts U-shaped cavity body structure, is easy to moulding, and assembling is difficultSpend little.
Consult shown in Fig. 5, ensureing that U-shaped gas channel 15 volume size are when constant, described U-shaped air-flowDistance M between the described first annular air guide hole 11 exit opposite faces in passage 15 cross sections is 0.5-10mm,Distance N between the second annular air guide hole 12 exit opposite faces is 0.5-10mm. The first annular air guide holeDistance between distance, the second annular air guide hole 12 exit opposite faces between 11 exit opposite faces is generalThe smaller the better, can make like this air-flow of ejection faster, form stronger negative pressuren zone, at water conservancy diversion circuit 1Position possesses the stronger ability of entrainmenting air-flow.
Preferably, described first annular air guide hole 11 exits in described U-shaped gas channel 15 cross sections are relativeDistance between face is that the distance between 5mm, the second annular air guide hole 12 exit opposite faces is 5mm.Distance between the first annular air guide hole 11 exit opposite faces is relative with the second annular air guide hole 12 exitsDistance between face can be the same or different. Only be described as example taking identical herein.
Consult shown in Fig. 3 the first annular air guide hole 11 in described U-shaped gas channel 15 cross sections, the second ringThe distance B of shape air guide hole 12 central points is 1mm-50mm. Preferably, the distance of the two central point can be10mm, 20mm, 30mm, 40mm, 25mm etc. The air-flow that the first annular air guide hole 11 sprays formsThe first low-pressure area, the first low-pressure area can entrainment the air-flow of confined space inside; The second annular air guide hole 12 spraysThe air-flow going out forms the second low-pressure area, and the second low-pressure area can entrainment near air-flow confined space external windows.Because the first annular air guide hole 11, the second annular air guide hole 12 are at intervals set and made the first low pressureDistrict, the second low-pressure area keep at a certain distance away, and the first low-pressure area is just equivalent to a barrier shield, can play screenCover near the object of the air-flow of confined space external windows. The structure of U-shaped water conservancy diversion circuit 1 can better preventThe air-flow of window outside flows into confined space inside.
Consult shown in Fig. 6, in above-mentioned embodiment, air-supply arrangement is constantly to the interior conveying gas of water conservancy diversion circuit 1Stream, the primary air of water conservancy diversion circuit 1 sprays from the first annular air guide hole 11, forms in water conservancy diversion circuit 1 centerThe first low-pressure area. The air-flow of the first annular air guide hole ejection entrainments the air-flow of confined space inside, makes it from closeClose in space Rapid Flow outside confined space, the air-flow in confined space is subject to the shadow of U-shaped outer wall bottom arcwall faceRing and produce Coanda effect, the speed of air-flow is accelerated, the ability of entrainmenting is stronger. The second annular air guide hole 12The air-flow of ejection, at outside second low-pressure area that forms of window, entrainments near the air-flow of confined space external windows,Make it to flow away from confined space housing. Various air-flow stacks will form the outside air-supply of absorption ability of airEffect, makes various air-flows can not flow to confined space shell perpendicular to confined space housing 5 to flows outsideBody 5 inside.
The first annular air guide hole, the second annular air guide hole arrange with water conservancy diversion circuit is concentric, make the structure of windowRationally, lines are soft and graceful, visually more attractive. And the first annular air guide hole, the second annular wind-guidingMouthful with the concentric locating of water conservancy diversion circuit make to manufacture easier. Water conservancy diversion circuit inside has enough main gasStream sprays, thereby reaches maximum Air Entrainment and maximum from the first annular air guide hole, the second annular air guide holeSecondary streams amount.
The said equipment can be installed on the window in the similar places such as ticket booth, roadside, high speed clearance card booth, newsstand,Tail gas, the peculiar smell etc. of vehicle can be discharged in confined space, in order to avoid various pernicious gas pair by described equipmentIn confined space, staff causes actual bodily harm.
Should be appreciated that although this description is described according to embodiment, be not each embodiment onlyComprise an independently technical scheme, this narrating mode of description is only for clarity sake, this areaTechnical staff should make description as a whole, and the technical scheme in each embodiment also can be through suitablyCombination, forms other embodiments that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only the tool for feasibility embodiment of the present inventionBody explanation, they are not in order to limit the scope of the invention, and all spiritual institutes of skill of the present invention that do not depart from doEquivalent embodiment or change all should be included in protection scope of the present invention within.
Claims (4)
1. a confined space gas flow guiding equipment that possesses function of shielding, is characterized in that: comprising:
Confined space housing, is provided with window;
Water conservancy diversion circuit, around described edge of window along setting;
Described water conservancy diversion circuit is enclosed and is formed a U-shaped gas channel by U-shaped inwall, U-shaped outer wall, described U-shapedOuter wall one outside wall surface laminating edge of window edge, connects by dowel between U-shaped inwall, U-shaped outer wall opposite face;
U-shaped inwall, formation gap, U-shaped outer wall intersection, be respectively equipped with the first annular air guide hole, the second ringShape air guide hole, the diameter of the first annular air guide hole is less than the diameter of the second annular air guide hole, the first annular wind-guidingMouth, the second annular air guide hole receive the air-flow from U-shaped gas channel, and guide described air flow direction airtightSpace hull outside;
Air-supply arrangement, to the U-shaped gas channel delivery air of water conservancy diversion circuit.
2. a kind of confined space gas flow guiding equipment that possesses function of shielding according to claim 1, itsBe characterised in that: between the described first annular air guide hole exit opposite face in described U-shaped gas channel cross sectionDistance is 0.5-10mm; Distance between the second annular air guide hole exit opposite face is 0.5-10mm.
3. a kind of confined space gas flow guiding equipment that possesses function of shielding according to claim 1, itsBe characterised in that: between the described first annular air guide hole exit opposite face in described U-shaped gas channel cross sectionDistance is 5mm; Distance between the second annular air guide hole exit opposite face is 5mm.
4. a kind of confined space gas flow guiding equipment that possesses function of shielding according to claim 1, itsBe characterised in that: the first annular air guide hole in described U-shaped gas channel cross section, the second annular air guide hole central pointDistance be 1mm-50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105888.4A CN105588249B (en) | 2016-02-26 | 2016-02-26 | A kind of confined space gas flow guiding equipment having function of shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105888.4A CN105588249B (en) | 2016-02-26 | 2016-02-26 | A kind of confined space gas flow guiding equipment having function of shielding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105588249A true CN105588249A (en) | 2016-05-18 |
| CN105588249B CN105588249B (en) | 2018-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610105888.4A Active CN105588249B (en) | 2016-02-26 | 2016-02-26 | A kind of confined space gas flow guiding equipment having function of shielding |
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| CN2672538Y (en) * | 2003-12-15 | 2005-01-19 | 樊斌 | Baffle type wind curtain device |
| US6884160B1 (en) * | 1999-04-07 | 2005-04-26 | Marioff Corporation Oy | Barrier apparatus for resisting passage of harmful gases through an opening |
| CN102287060A (en) * | 2011-06-20 | 2011-12-21 | 上海银洲机电科技有限公司 | Toll booth with air curtain machine |
| CN102705912A (en) * | 2012-06-20 | 2012-10-03 | 河北工业大学 | Personalized environment control system for expressway toll booth |
| CN104343249A (en) * | 2014-10-29 | 2015-02-11 | 贵州中南交通科技有限公司 | Intelligent tollbooth |
| CN204739731U (en) * | 2015-05-19 | 2015-11-04 | 天津亿联机电工程有限公司 | A air curtain machine for tollbooth window |
| CN205403035U (en) * | 2016-02-26 | 2016-07-27 | 福建新大陆电脑股份有限公司 | Gaseous diversing flow system in airtight space that possesses blocking function |
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2016
- 2016-02-26 CN CN201610105888.4A patent/CN105588249B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6884160B1 (en) * | 1999-04-07 | 2005-04-26 | Marioff Corporation Oy | Barrier apparatus for resisting passage of harmful gases through an opening |
| CN2672538Y (en) * | 2003-12-15 | 2005-01-19 | 樊斌 | Baffle type wind curtain device |
| CN102287060A (en) * | 2011-06-20 | 2011-12-21 | 上海银洲机电科技有限公司 | Toll booth with air curtain machine |
| CN102705912A (en) * | 2012-06-20 | 2012-10-03 | 河北工业大学 | Personalized environment control system for expressway toll booth |
| CN104343249A (en) * | 2014-10-29 | 2015-02-11 | 贵州中南交通科技有限公司 | Intelligent tollbooth |
| CN204739731U (en) * | 2015-05-19 | 2015-11-04 | 天津亿联机电工程有限公司 | A air curtain machine for tollbooth window |
| CN205403035U (en) * | 2016-02-26 | 2016-07-27 | 福建新大陆电脑股份有限公司 | Gaseous diversing flow system in airtight space that possesses blocking function |
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| CN105588249B (en) | 2018-08-03 |
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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. |
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