CN108917082B - Ventilation system adapts to and uses inlet duct structure - Google Patents
Ventilation system adapts to and uses inlet duct structure Download PDFInfo
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- CN108917082B CN108917082B CN201810566590.2A CN201810566590A CN108917082B CN 108917082 B CN108917082 B CN 108917082B CN 201810566590 A CN201810566590 A CN 201810566590A CN 108917082 B CN108917082 B CN 108917082B
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- air inlet
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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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0281—Multilayer duct
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
Abstract
The invention discloses an air inlet pipeline structure suitable for a ventilation system, which comprises an air inlet pipeline communicated with the inside and the outside of a room, and is characterized in that an air inlet structure for auxiliary air inlet is arranged at an outer port of the air inlet pipeline positioned outside the room, the air inlet structure comprises an air inlet cylinder which is vertically arranged, the lower half part of the air inlet cylinder is communicated with the air inlet pipeline, an air inlet section which is horizontally folded is arranged at the upper end of the air inlet cylinder, and an air inlet end is arranged at the outer end of the air inlet section. The invention can better utilize natural wind power to perform auxiliary ventilation, improves the utilization efficiency of the natural wind power, reduces the energy loss, and is particularly suitable for implementation, popularization and application in buildings in developed wind power areas.
Description
Technical Field
The invention relates to the technical field of building ventilation; in particular to an air inlet pipeline structure for adapting a ventilation system, which is adopted in the ventilation system.
Background
Ventilation is a building environment control technology which controls the propagation and harm of air pollutants by means of ventilation dilution or ventilation removal and the like, and realizes the quality guarantee of indoor and outdoor air environments. Generally, ventilation requirements need to be considered for rooms, ordinary rooms can be ventilated through windows, and ventilation systems need to be considered to meet the ventilation requirements for some rooms such as basements or rooms where windows cannot be arranged.
A ventilation system is a complete set of devices including an air inlet, an air outlet, an air supply pipeline, a fan, a cooling and heating device, a filter, a control system and other accessory equipment. Therefore, when the conventional ventilation system needs ventilation, the fan must be started, a large amount of energy loss is caused, and the external natural wind power cannot be utilized. The applicant considers that if natural wind can be better utilized to assist ventilation, energy consumption can be reduced, and the method has great positive significance particularly for regions with large wind power for years.
In order to solve the above problems, the applicant considered to design a ventilation system capable of utilizing natural wind, the system comprising an air inlet duct and an air outlet duct which are respectively communicated with the inside and the outside of a room, wherein an unpowered hood is arranged at an outer port of the air outlet duct which is positioned outside the room, and a fan for assisting ventilation is arranged on the air outlet duct or the air inlet duct.
Therefore, when natural wind exists outside the room, the unpowered hood can be blown to rotate and generate suction to form an air exhaust function, air inside the room is driven to flow outwards to form negative pressure indoors, and air is introduced through the air inlet pipeline to realize room ventilation exchange. When the natural wind power is insufficient, the fan is started to ensure the ventilation effect of the room. Therefore, the natural wind power can be well utilized, and the effect of reducing energy loss is achieved.
However, the utilization of natural wind power is limited to the suction effect of the unpowered hood, the utilization effect of natural wind power is effective, and the natural ventilation effect is insufficient.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide one kind can utilize natural wind power to carry out auxiliary ventilation better, improves ventilation effect's intake stack structure for ventilation system adaptation, improves natural wind power utilization efficiency, reduces the energy loss.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a ventilation system adapts to and uses intake stack structure, is including the inside and outside intake stack in intercommunication room, its characterized in that, and the outer port that the intake stack lies in the room outside is provided with the air inlet structure that is used for supplementary air inlet, and the air inlet structure includes the air inlet section of thick bamboo of vertical setting, and air inlet section lower half and intake stack communicate with each other, and the air inlet section upper end has the air inlet section of level book to, and air inlet section outer end is the air inlet end.
Therefore, the air inlet structure arranged at the outer port of the air inlet pipeline is beneficial to the air inlet of external wind power, so that the ventilation in a room is realized, the energy loss is reduced without additional power, and the utilization effect of natural wind power is further improved. Wherein, the air inlet cylinder can be a separate component or directly be a part of the air inlet pipeline.
Furthermore, the upper half part and the lower half part of the air inlet cylinder are rotatably connected, and the upper half part of the air inlet cylinder is also provided with a self-rotation mechanism for driving the air inlet section to rotate in the windward direction.
Therefore, the air inlet cylinder can be better ensured to rotate against the wind direction forever, so that natural wind can blow into the port of the air inlet cylinder rightly, wind pressure is formed, and the air inlet effect is improved.
Furthermore, the autorotation mechanism comprises a tail wing plate vertically and fixedly arranged on the air inlet cylinder along the air inlet direction of the air inlet section, and the central line of the tail wing plate in the vertical direction is parallel to the upper half rotating axis line of the air inlet cylinder.
Therefore, when the air inlet section of the air inlet cylinder is not opposite to the wind direction, the side surface of the tail wing plate is blown by wind power to drive the air inlet section of the upper half part of the air inlet cylinder to rotate to be opposite to the wind direction, at the moment, the two sides of the tail wing plate are balanced by the wind power, and the angle of the air inlet section is kept unchanged. Therefore, the steering device has the advantages of simple structure and reliable steering.
The autorotation mechanism can also be two vertical plates which are vertically arranged on two sides of the air inlet section of the air inlet cylinder in parallel, so that the air inlet section of the air inlet cylinder can be driven to rotate to be just opposite to the air flow direction when being blown by wind force by the vertical plates, and a better protection effect can be generated on the air inlet section.
Furthermore, an outer port of the air inlet section is provided with an outward-expanding cone-shaped air collecting cover.
Therefore, the air gathering effect can be better generated, and the air inlet quantity is favorably improved.
Furthermore, the upper end of the air inlet pipeline is provided with a horizontal section which is bent and folded towards the horizontal direction, the port of the outer end of the horizontal section is fixed and communicated with the outer wall of the lower part of the air inlet cylinder, and the end part of the lower end of the air inlet cylinder is provided with a downward conical cylinder communicated with the outside.
Therefore, after air enters the air inlet section at the upper part of the air inlet cylinder, the air enters the air inlet pipeline from the side surface of the lower part, so that sundries such as rain, snow, hail, sand and dust mixed in the air can fall out from the lower part of the air inlet cylinder due to dead weight and can not directly enter the air inlet pipeline, meanwhile, the cone structure at the lower end of the air inlet cylinder reduces the air passing area, the air pressure is formed at the port position of the outer end of the horizontal end of the air inlet pipeline close to the upper part of the cone section, and the air flow can better enter the horizontal section of the air inlet pipeline. Therefore, the structure not only well realizes the function and effect of filtering the inlet air flow, but also can not influence the normal air inlet of the air inlet pipeline.
Furthermore, an auxiliary air supplementing structure is arranged below the air inlet section in the air inlet pipeline.
Therefore, auxiliary air inlet can be realized by means of the auxiliary air supplementing structure, the wind power loss of partial air leakage generated at the lower end of the air inlet cylinder is compensated, and the air inlet effect is improved.
Furthermore, the auxiliary air supplementing structure comprises an outer pipe and an inner pipe which are sleeved at intervals, the upper end and the lower end of the inner pipe are connected with the air inlet pipeline to form a part of the air inlet pipeline, a plurality of air inducing holes with inner ends inclining downwards are arranged on the peripheral wall of the inner pipe in a penetrating mode, and a plurality of air inlet holes are arranged on the peripheral wall of the outer pipe.
Therefore, when the air flow in the inner pipe flows downwards, the negative pressure generated on the wall of the inner pipe can enable the air between the inner pipe and the outer pipe to be sucked into the inner pipe, the air between the inner pipe and the outer pipe is blown in and supplemented by the external air flow through the air inlet holes in the outer pipe, the air inlet holes are inclined, the inner pipe air flow is prevented from entering the interlayer, and meanwhile the interlayer air flow is guaranteed to smoothly enter the inner pipe. Therefore, the air inlet is supplemented by adopting a simple double-layer air pipe structure, the wind loss of the air inlet barrel is compensated, and meanwhile, the inner pipe can be protected by the outer pipe, so that the blockage of an air inducing hole is avoided.
Furthermore, a plurality of curved slots are formed in the outer surface of the outer pipe at intervals along the circumferential direction, and the air inlet holes are formed in the slots.
Therefore, the curved slot can guide the external air flow, so that outdoor air can be captured by the air inlet on the outer pipe and enter the inner pipe clamping layer and the outer pipe clamping layer when passing through the outer pipe; and more importantly, the slot guides the air flow to be washed in the slot, so that the air inlet hole on the outer pipe can be well prevented from being blocked, and the normal use of the auxiliary air supplementing structure is ensured.
In conclusion, the invention can better utilize natural wind power to perform auxiliary ventilation, improves the utilization efficiency of the natural wind power, reduces energy consumption, and is particularly suitable for implementation, popularization and application in buildings in developed wind power areas.
Drawings
Fig. 1 is a schematic diagram of a room ventilation system employing the structure of the present invention. The arrows in the figure indicate the direction of the wind flow.
Fig. 2 is a schematic view of an air intake structure of the single air intake duct of fig. 1.
Fig. 3 is a schematic view of the structure of the outer tube alone in fig. 2.
Fig. 4 is a schematic view of the structure of the single inner tube in fig. 2.
Fig. 5 is a block diagram of a control system in the room ventilation system of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to a room ventilating system using the structure of the present invention and the accompanying drawings.
Example (b): referring to fig. 1-5, a room ventilation system comprises an air inlet duct 2 and an air outlet duct 3 which are respectively communicated with the inside and the outside of a room 1, wherein an unpowered hood 4 is arranged at the outer port of the air outlet duct 3 positioned outside the room 1, and a fan 7 for assisting ventilation is arranged on the air outlet duct 3 or the air inlet duct.
Therefore, when natural wind exists outside the room, the unpowered hood can be blown to rotate and generate suction to form an air exhaust function, air inside the room is driven to flow outwards to form negative pressure indoors, and air is introduced through the air inlet pipeline to realize room ventilation exchange. When the natural wind power is insufficient, the fan is started to ensure the ventilation effect of the room. Therefore, the natural wind power can be well utilized, and the effect of reducing energy loss is achieved. In this embodiment, the fan is an exhaust fan disposed on the exhaust duct and exhausting air outwards, and in other embodiments, the fan may also be an intake fan disposed on the intake duct and intaking air inwards.
In this embodiment, the control system further comprises a control center 5 (see fig. 5), and further comprises a rotation speed detection device 6 arranged between the rotating part and the fixed part of the unpowered hood 4, the rotation speed detection device 6 is connected with the control center 5, and the control center 5 is connected with the fan 7.
Therefore, the detection of the rotating speed of the unpowered hood can be realized through the rotating speed detection device, when the rotating speed is lower than a preset value, the external wind speed is judged to be small, the wind power is insufficient, the fan is started to work for auxiliary ventilation at the moment, and the reliability of indoor ventilation is guaranteed. The rotation speed detection device may adopt an angle sensor, a rotary encoder and other existing devices for realizing rotation speed detection, which are not described in detail herein.
Wherein, the air inlet pipeline 2 is also provided with an air conditioning device 8.
Like this, can rely on air conditioning equipment to preheat or the precooling to the air inlet as required, provide the air conditioning effect, guarantee that indoor ambient temperature is in human comfortable state, air conditioning equipment can adopt various ripe products that have the heat exchange function, do not detail here.
Wherein, the air conditioning device 8 is connected with the control center 5, and the inside and the outside of the room are respectively provided with a temperature detection probe 9 which is connected with the control center 5. Therefore, the air conditioner can be automatically controlled to work according to the temperature detection conditions inside and outside the room, and the automation degree is improved.
Wherein, the outer port that intake stack 2 is located outside the room is provided with the air inlet structure that is used for supplementary air inlet, and the air inlet structure includes the air inlet section of thick bamboo 10 of vertical setting, and air inlet section 10 lower half communicates with each other with the intake stack, and air inlet section upper end has the air inlet section of level book to, and air inlet section outer end is the air inlet end.
Therefore, the air inlet structure arranged at the outer port of the air inlet pipeline is beneficial to the air inlet of external wind power, so that the ventilation in a room is realized, and the energy loss is reduced without additional power. The air inlet drum in the embodiment is an independent component, and the air inlet drum in other embodiments can also be directly a part of the air inlet pipeline.
Wherein, the upper half part and the lower half part of the air inlet cylinder 10 are rotatably connected, and the upper half part of the air inlet cylinder is also provided with a self-rotating mechanism for driving the air inlet section to rotate in the windward direction.
Therefore, the air inlet cylinder can be better ensured to rotate against the wind direction forever, so that natural wind can blow into the port of the air inlet cylinder rightly, wind pressure is formed, and the air inlet effect is improved.
The autorotation mechanism comprises a tail wing plate 11 vertically and fixedly arranged on the air inlet cylinder along the air inlet direction of the air inlet section, and the central line of the tail wing plate 11 in the vertical direction is parallel to the upper half rotating axial lead of the air inlet cylinder.
Therefore, when the air inlet section of the air inlet cylinder is not opposite to the wind direction, the side surface of the tail wing plate is blown by wind power to drive the air inlet section of the upper half part of the air inlet cylinder to rotate to be opposite to the wind direction, at the moment, the two sides of the tail wing plate are balanced by the wind power, and the angle of the air inlet section is kept unchanged. Therefore, the steering device has the advantages of simple structure and reliable steering.
In other embodiments, the rotation mechanism can also be two vertical plates which are vertically arranged on two sides of the air inlet section of the air inlet cylinder in parallel, so that the air inlet section of the air inlet cylinder can be driven to rotate to be opposite to the air flow direction when being blown by wind power through the vertical plates, and a better protection effect can be generated on the air inlet section.
In this embodiment, the outer port of the air inlet section has an outward-expanding cone-shaped air-collecting cover 12.
Therefore, the air gathering effect can be better generated, and the air inlet quantity is favorably improved.
The upper end of the air inlet pipeline 2 is provided with a horizontal section 13 which is bent and folded towards the horizontal direction, the outer end port of the horizontal section 13 is fixed and communicated with the outer wall of the lower part of the air inlet cylinder 10, and the lower end part of the air inlet cylinder 10 is provided with a downward conical cylinder 14 communicated with the outside.
Therefore, after air enters the air inlet section at the upper part of the air inlet cylinder, the air enters the air inlet pipeline from the side surface of the lower part, so that sundries such as rain, snow, hail, sand and dust mixed in the air can fall out from the lower part of the air inlet cylinder due to dead weight and can not directly enter the air inlet pipeline, meanwhile, the cone structure at the lower end of the air inlet cylinder reduces the air passing area, the air pressure is formed at the port position of the outer end of the horizontal end of the air inlet pipeline close to the upper part of the cone section, and the air flow can better enter the horizontal section of the air inlet pipeline. Therefore, the structure not only well realizes the function and effect of filtering the inlet air flow, but also can not influence the normal air inlet of the air inlet pipeline.
Wherein, the air inlet pipeline 2 is also provided with an auxiliary air supplement structure below the air inlet section.
Therefore, auxiliary air inlet can be realized by means of the auxiliary air supplementing structure, the wind power loss of partial air leakage generated at the lower end of the air inlet cylinder is compensated, and the air inlet effect is improved.
The auxiliary air supplementing structure comprises an outer pipe 15 and an inner pipe 16 which are sleeved at intervals, the upper end and the lower end of the inner pipe 16 are connected with the air inlet pipeline to form a part of the air inlet pipeline, a plurality of air inducing holes 17 with inner ends inclining downwards are arranged on the peripheral wall of the inner pipe 16 in a penetrating mode inside and outside, and a plurality of air inlet holes 18 are arranged on the peripheral wall of the outer pipe.
Therefore, when the air flow in the inner pipe flows downwards, the negative pressure generated on the wall of the inner pipe can enable the air between the inner pipe and the outer pipe to be sucked into the inner pipe, the air between the inner pipe and the outer pipe is blown in and supplemented by the external air flow through the air inlet holes in the outer pipe, the air inlet holes are inclined, the inner pipe air flow is prevented from entering the interlayer, and meanwhile the interlayer air flow is guaranteed to smoothly enter the inner pipe. Therefore, the air inlet is supplemented by adopting a simple double-layer air pipe structure, the wind loss of the air inlet barrel is compensated, and meanwhile, the inner pipe can be protected by the outer pipe, so that the blockage of an air inducing hole is avoided.
Wherein, the outer surface of the outer pipe is provided with a plurality of curved slots 19 at intervals along the circumferential direction, and the air inlet holes 18 are arranged in the slots 19.
Therefore, the curved slot can guide the external air flow, so that outdoor air can be captured by the air inlet on the outer pipe and enter the inner pipe clamping layer and the outer pipe clamping layer when passing through the outer pipe; and more importantly, the slot guides the air flow to be washed in the slot, so that the air inlet hole on the outer pipe can be well prevented from being blocked, and the normal use of the auxiliary air supplementing structure is ensured.
Claims (5)
1. An air inlet pipeline structure suitable for a ventilation system comprises an air inlet pipeline communicated with the inside and the outside of a room, and is characterized in that an air inlet structure for auxiliary air inlet is arranged at an outer port of the air inlet pipeline positioned outside the room, the air inlet structure comprises an air inlet barrel which is vertically arranged, the lower half part of the air inlet barrel is communicated with the air inlet pipeline, an air inlet section which is horizontally folded is arranged at the upper end of the air inlet barrel, and an air inlet end is arranged at the outer end of the air inlet section;
the upper end of the air inlet pipeline is provided with a horizontal section which is bent and folded towards the horizontal direction, the port of the outer end of the horizontal section is fixed and communicated with the outer wall of the lower part of the air inlet cylinder, and the end part of the lower end of the air inlet cylinder is provided with a downward conical cylinder communicated with the outside;
an auxiliary air supplementing structure is also arranged below the air inlet section in the air inlet pipeline; the auxiliary air supplementing structure comprises an outer pipe and an inner pipe which are sleeved at intervals, the upper end and the lower end of the inner pipe are connected with the air inlet pipeline to form a part of the air inlet pipeline, a plurality of air inducing holes with inner ends inclining downwards are arranged on the peripheral wall of the inner pipe in a penetrating mode, and a plurality of air inlet holes are arranged on the peripheral wall of the outer pipe.
2. A ventilation system adapted air inlet duct structure as claimed in claim 1 wherein the upper and lower sections of the air inlet duct are rotatably connected, the upper section of the air inlet duct being further provided with a rotation mechanism for rotating the air inlet section against the wind.
3. A ventilation system adapted air inlet duct structure as claimed in claim 2, wherein said rotation mechanism includes a tail wing plate vertically fixed to said air inlet duct along the air inlet direction of said air inlet section, and the center line of said tail wing plate in the vertical direction is parallel to the upper half axis of rotation of said air inlet duct.
4. A ventilation system adapted air inlet duct structure as claimed in claim 1, wherein the outer port of the air inlet section has an outwardly flared cone-shaped air-collecting hood.
5. A ventilation system adapted air inlet duct structure as set forth in claim 1, wherein said outer duct outer surface is circumferentially spaced with a plurality of curvilinear slots.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810566590.2A CN108917082B (en) | 2018-06-05 | 2018-06-05 | Ventilation system adapts to and uses inlet duct structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810566590.2A CN108917082B (en) | 2018-06-05 | 2018-06-05 | Ventilation system adapts to and uses inlet duct structure |
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| CN108917082A CN108917082A (en) | 2018-11-30 |
| CN108917082B true CN108917082B (en) | 2020-03-31 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109520067A (en) * | 2018-12-30 | 2019-03-26 | 孟宪珂 | A kind of method of ventilation and device of the opposite confined space of such as underground parking |
| CN109931090B (en) * | 2019-04-19 | 2020-10-09 | 陈严怀 | Air quantity compensation device of local fan |
| CN110779140B (en) * | 2019-10-29 | 2020-08-18 | 山东高速齐鲁建设集团有限公司 | Fresh air system for high-rise building |
| CN110762998A (en) * | 2019-10-31 | 2020-02-07 | 武汉钢铁有限公司 | Coal dryer, coal drying system and coal drying method |
| CN112809871A (en) * | 2020-12-31 | 2021-05-18 | 陈美玲 | Wooden door production process and production equipment thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100532023B1 (en) * | 2005-08-10 | 2005-11-29 | 주식회사종합건축사사무소가람건축 | Ventilator for an apartment house |
| CN101314964A (en) * | 2008-06-20 | 2008-12-03 | 黄舒恬 | Novel multifunctional healthy environment friendly energy-conservation construction method |
| CN201359349Y (en) * | 2008-12-24 | 2009-12-09 | 黄晨曦 | Universal ventilation device |
| CN102162675B (en) * | 2011-05-10 | 2013-05-08 | 西安建筑科技大学 | Energy-saving air inlet/exhaust combined air port |
| CN204902146U (en) * | 2015-08-17 | 2015-12-23 | 上海能辉电力科技有限公司 | Nature hot blast blowpipe apparatus with sand prevention function |
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