CN211876258U - Unpowered ventilation system suitable for underground room - Google Patents
Unpowered ventilation system suitable for underground room Download PDFInfo
- Publication number
- CN211876258U CN211876258U CN202020209982.6U CN202020209982U CN211876258U CN 211876258 U CN211876258 U CN 211876258U CN 202020209982 U CN202020209982 U CN 202020209982U CN 211876258 U CN211876258 U CN 211876258U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- exhaust
- pipe
- air
- underground
- 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.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 29
- 230000005484 gravity Effects 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000005494 condensation Effects 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The utility model relates to the technical field of ventilation systems, and discloses an unpowered ventilation system suitable for underground rooms, which comprises an air inlet device and an air exhaust device, wherein the air inlet device comprises an air inlet pipe, a sealing plate is arranged at the pipe orifice of the air inlet end of the air inlet pipe, an air inlet hole communicated with the outside is arranged at the upper part of the pipe wall of the air inlet pipe, the air outlet end of the air inlet pipe passes through the ground and is communicated with the underground rooms, the air exhaust device comprises an air inlet pipe, an exhaust hood and a limit buckle, the air inlet end of the exhaust pipe is communicated with the underground rooms, the air outlet end of the exhaust pipe passes through the ground and is communicated with the outside, the exhaust hood is of an upward convex arc structure, a groove is arranged on the pipe wall of the air outlet end of the exhaust pipe, the limit buckle can be arranged on the groove in a vertically moving way, the exhaust hood is connected with the limit buckle, the gravity block is connected with the exhaust hood. Adopt the utility model has the advantages of ventilation efficiency is high, energy saving and with low costs.
Description
Technical Field
The utility model relates to a ventilation system technical field especially relates to an unpowered ventilation system suitable for underground room.
Background
An underground power transformation and distribution room, an oil pump room and a storage room which are positioned underground are usually arranged in a building, at present, the underground room is usually exhausted naturally or artificially, the natural exhaust utilizes the air diffusion effect, the underground room is communicated with a first-layer stair and a first-layer living room, and the air among the underground room, the first-layer stair and the first-layer living room is diffused mutually; artificial air exhaust is to install an exhaust fan in an underground room, although the method has high ventilation efficiency, the air quality of the underground room is still limited by the air quality of a first-floor stair and a first-floor living room, and the underground space is small, so that a proper exhaust fan is not easy to select, energy consumption waste is easy to cause, and energy conservation is not facilitated; in addition, some underground rooms are raised to form semi-underground rooms, and high windows are arranged for ventilation, but the construction cost and difficulty of the method are high, the high windows of the semi-underground rooms are arranged close to the ground, dust on the ground easily enters the rooms, the bodies of people in the rooms are damaged, and the operation and maintenance difficulty is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the unpowered ventilation system has high ventilation efficiency, low power consumption and low cost.
In order to solve the technical problem, the utility model provides an unpowered ventilation system suitable for underground room, including hot blast blowpipe apparatus and exhaust device, hot blast blowpipe apparatus includes the air-supply line, the mouth of pipe department of the air inlet end of air-supply line is equipped with the closing plate, the upper portion of the pipe wall of air-supply line is equipped with the fresh air inlet that communicates with the external world, the air-out end of air-supply line passes ground and communicates with underground room, exhaust device includes air-supply line, exhaust hood and spacing latch closure, the air inlet end of exhaust pipe communicates with underground room, the air-out end of exhaust pipe passes ground and communicates with the external world, exhaust hood is the convex circular structure that makes progress, be equipped with on the pipe wall of the air-out end of exhaust pipe with the recess that spacing latch closure cooperation is connected, spacing latch closure can set up and down on the recess, exhaust hood pass through the dead lever with spacing latch closure is connected, the mouth of pipe of the air inlet end of air-supply line is the hole of airing exhaust, be equipped with the gravity piece directly over the hole of airing exhaust, the gravity piece with the exhaust hood is connected.
As the preferred scheme of the utility model, the air outlet of air-supply line is located the lower part of one side wall in underground room, the air intake of exhaust pipe is located the upper portion of the other side wall in underground room's wall.
As the utility model discloses preferred scheme, the air outlet department of air-supply line is equipped with the water injection well choke that condenses and is used for collecting the follow the water catch bowl of the condensate water that the water injection well choke flows out condenses.
As the utility model discloses preferred scheme, the air-supply line includes air inlet standpipe and air inlet pipe chute, the one end and the basement room intercommunication of air inlet pipe chute, the other end of air inlet pipe chute with the one end intercommunication of air inlet standpipe and the slope setting up towards, the other end and the external world intercommunication of air inlet standpipe.
As the preferred scheme of the utility model, the inclination of air inlet pipe chute is greater than 3%.
As the preferred proposal of the utility model, the air inlet is provided with a rainproof louver.
As the utility model discloses preferred scheme, the exhaust pipe is including airing exhaust the standpipe and airing exhaust violently the pipe, the one end and the underground room intercommunication of violently managing of airing exhaust, the other end of violently managing of airing exhaust with the one end intercommunication of standpipe of airing exhaust, the other end of standpipe of airing exhaust with the exhaust hood is connected.
As the preferred proposal of the utility model, the gravity block is in the shape of a round table.
As the preferred scheme of the utility model, the air-supply line with the internal surface of exhaust pipe is smooth plane.
The embodiment of the utility model provides an unpowered ventilation system suitable for underground room compares with prior art, and its beneficial effect lies in:
when outside wind blows over the exhaust hood, because the exhaust hood is of an arc structure, pressure difference is formed between the inner surface and the outer surface of the exhaust hood according to the Bernoulli principle, the exhaust hood moves upwards to expose the exhaust holes by overcoming gravity, and meanwhile, because the difference of air density is generated between the indoor temperature and the temperature difference of the air inside and outside the building at the outside temperature all the time, the pressure difference is formed, so that the indoor air is discharged from the exhaust holes to the outside, and negative pressure is formed in the underground room at the moment, so that the outside air continuously flows through the air inlet pipe through the air inlet hole to enter the underground room; when the pressure difference is continuously reduced, the exhaust hood moves downwards under the action of the gravity block until the gravity block blocks the exhaust hole, so that the underground room is continuously ventilated by utilizing the Bernoulli principle, the ventilation efficiency is high, the power consumption is not needed, unpowered ventilation is realized, the energy is saved, and the cost is low; and the gravity block is arranged, so that the exhaust hole can only be used for exhausting air but not air, the pressure difference between the indoor space and the outdoor space is increased, and the smoothness of the operation of the unpowered ventilation system is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an unpowered ventilation system suitable for an underground room according to an embodiment of the present invention;
FIG. 2 is a schematic view of the installation of the exhaust hood;
in the figure, 1, a hood; 2. a limiting ring buckle; 3. a groove; 4. an air exhaust hole; 5. a gravity block; 6. an air inlet hole; 7. an air inlet vertical pipe; 8. an air inlet inclined pipe; 9. an exhaust vertical pipe; 10. a transverse exhaust pipe; 11. fixing the rod; 12. a water collection tank.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate the orientation or positional relationship, are used in the present invention as being based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and fig. 2, the preferred embodiment of the unpowered ventilation system suitable for underground rooms of the preferred embodiment of the present invention includes an air intake device and an air exhaust device, the air intake device includes an air intake pipe, a sealing plate is disposed at the mouth of the air intake end of the air intake pipe, an air intake hole 6 communicated with the outside is disposed at the upper portion of the pipe wall of the air intake pipe, the air outlet end of the air intake pipe passes through the ground to communicate with the underground room, the air exhaust device includes an air intake pipe, an exhaust hood 1 and a limit ring fastener 2, the air intake end of the exhaust pipe communicates with the underground room, the air outlet end of the exhaust pipe passes through the ground to communicate with the outside, the exhaust hood 1 is an upward convex arc structure, a groove 3 connected with the limit ring fastener 2 in a matching manner is disposed on the pipe wall of the air outlet end of the exhaust pipe, the limit ring fastener 2 is disposed on the groove 3 in a manner, exhaust hood 1 through dead lever 11 with spacing latch closure 2 is connected, the mouth of pipe of the air inlet end of air-supply line is exhaust hole 4, be equipped with gravity piece 5 directly over exhaust hole 4, gravity piece 5 with exhaust hood 1 is connected.
Therefore, when external wind blows over the exhaust hood 1, because the exhaust hood 1 is in a circular arc structure, pressure difference is formed between the inner surface and the outer surface of the exhaust hood 1 according to the Bernoulli principle, and when the gravity G of the exhaust hood 1 is less than S1*[(ρo-ρi)gH1-PEdge of]In the formula, G is the gravity of the exhaust hood 1 and S1Is the cross-sectional area of the air outlet, ρoIs the outdoor air density, piIs the indoor air density, g is the acceleration of gravity, H1Is the height of the air port from the bottom of the floor, PEdge ofLoss of resistance along the way of the whole system), the exhaust hood 1 moves upwards to overcome the gravity to expose the exhaust holes 4, meanwhile, because the difference of air density is generated between the indoor temperature and the temperature difference of the air inside and outside the building at the external temperature all the time, the pressure difference is formed to discharge the indoor air from the exhaust holes 4 to the outside, and at the moment, negative pressure is formed in the underground room, so that the external air continuously flows through the air inlet pipe through the air inlet holes 6 to enter the underground room; when the pressure difference is continuously reduced until the gravity G of the exhaust hood 1 is less than S1*[(ρo-ρi)gH1-PEdge of]When the air exhaust cover 1 moves downwards under the action of the gravity block until the gravity block 5 blocks the air exhaust hole 4, so that the air exhaust hole 4 can only be used for exhausting air but not inlet air, the pressure difference between the indoor and the outdoor is increased, and the smoothness of the operation of the unpowered ventilation system is ensured; in addition, through the arrangement of the air inlet pipe, the air exchanges heat with the soil in the conveying process of the air inlet pipe, the temperature of the air entering the underground room can be increased in winter, the temperature of the air entering the underground room can be reduced in summer, the air supply temperature is improved by reasonably designing and utilizing the characteristics that the underground soil is warm in winter and cool in summer, and the comfort level of the underground room is improved; it should also be noted that, in order to ensure the quality of the air entering the underground room, the air inlet end of the air inlet pipe is arranged in the space enclosed by the trees.
Illustratively, the air outlet of the air inlet pipe is positioned at the lower part of one side wall of the underground room, and the air inlet of the air outlet pipe is positioned at the upper part of the other side wall of the underground room, so that air is prevented from being discharged immediately after entering the underground room, and the ventilation effect is improved.
Illustratively, a condensation water nozzle and a water collecting tank 12 for collecting condensation water flowing out of the condensation water nozzle are arranged at the air outlet of the air inlet pipe, so that the condensation water permeating from the air inlet hole 6 is prevented from flowing into an underground room to cause surface water accumulation; and the air inlet pipe comprises an air inlet vertical pipe 7 and an air inlet inclined pipe 8, one end of the air inlet inclined pipe 8 is communicated with an underground room, the other end of the air inlet inclined pipe 8 is communicated with one end of the air inlet vertical pipe 7 and is arranged upwards, the inclination of the air inlet inclined pipe 8 is more than 3%, the other end of the air inlet vertical pipe 7 is communicated with the outside, and condensed water in the air inlet pipe can better flow into the water collecting tank 12.
Illustratively, the air inlet 6 is provided with a rainproof shutter to prevent rainwater from flowing into the air inlet pipe from the air inlet 6.
Illustratively, the exhaust pipe comprises an exhaust vertical pipe 9 and an exhaust horizontal pipe 10, one end of the exhaust horizontal pipe 10 is communicated with an underground room, the other end of the exhaust horizontal pipe 10 is communicated with one end of the exhaust vertical pipe 9, and the other end of the exhaust vertical pipe 9 is connected with the exhaust hood 1, so that the exhaust hood 1 is vertically arranged, and exhaust is facilitated.
Exemplarily, the gravity block 5 is in a circular truncated cone shape, and particularly, one end with a small diameter is arranged towards the air exhaust hole 4, so that the air exhaust hole 4 is better blocked.
Illustratively, the inner surfaces of the air inlet pipe and the air exhaust pipe are smooth planes, so that the loss of air flow along the way resistance is reduced, and the conveying efficiency is improved.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (9)
1. The unpowered ventilation system suitable for the underground room is characterized by comprising an air inlet device and an air exhaust device, wherein the air inlet device comprises an air inlet pipe, a sealing plate is arranged at the pipe orifice of the air inlet end of the air inlet pipe, an air inlet hole communicated with the outside is formed in the upper portion of the pipe wall of the air inlet pipe, the air outlet end of the air inlet pipe penetrates through the ground and is communicated with the underground room, the air exhaust device comprises an air inlet pipe, an exhaust hood and a limiting ring fastener, the air inlet end of the exhaust pipe is communicated with the underground room, the air outlet end of the exhaust pipe penetrates through the ground and is communicated with the outside, the exhaust hood is of an upwards convex arc structure, a groove matched and connected with the limiting ring fastener is formed in the pipe wall of the air outlet end of the exhaust pipe, the limiting ring fastener can be arranged on the groove in a vertically movable mode, and is connected with the, the mouth of pipe of the air inlet end of air-supply line is the hole of airing exhaust, be equipped with the gravity piece directly over the hole of airing exhaust, the gravity piece with the exhaust hood is connected.
2. The unpowered ventilation system for the underground room as recited in claim 1, wherein the outlet of the air inlet duct is located at a lower portion of one side wall of the underground room, and the inlet of the air outlet duct is located at an upper portion of the other side wall of the underground room.
3. The unpowered ventilation system for underground rooms as claimed in claim 1 wherein the outlet of the air inlet duct is provided with a condensation nozzle and a water collection sump for collecting condensation water flowing out from the condensation nozzle.
4. The unpowered ventilation system suitable for underground rooms as claimed in claim 1, wherein said air inlet pipe comprises an air inlet vertical pipe and an air inlet inclined pipe, one end of said air inlet inclined pipe is connected to the underground room, the other end of said air inlet inclined pipe is connected to one end of said air inlet vertical pipe and is arranged to incline upwards, and the other end of said air inlet vertical pipe is connected to the outside.
5. An unpowered ventilation system adapted for use in an underground room as claimed in claim 4 wherein the draft angle of the air inlet chute is greater than 3%.
6. An unpowered ventilation system adapted for use in an underground room as claimed in claim 1 wherein the air intakes are louvered with rain protection.
7. The unpowered ventilation system applicable to underground rooms according to claim 1, wherein the exhaust duct comprises an exhaust vertical duct and an exhaust horizontal duct, one end of the exhaust horizontal duct is communicated with the underground room, the other end of the exhaust horizontal duct is communicated with one end of the exhaust vertical duct, and the other end of the exhaust vertical duct is connected with the exhaust hood.
8. An unpowered ventilation system adapted for use in an underground room as claimed in claim 1 wherein the gravity block is frustoconical.
9. An unpowered ventilation system adapted for use in an underground room as recited in claim 1 wherein the interior surfaces of said air inlet duct and said air outlet duct are smooth planar surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209982.6U CN211876258U (en) | 2020-02-25 | 2020-02-25 | Unpowered ventilation system suitable for underground room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209982.6U CN211876258U (en) | 2020-02-25 | 2020-02-25 | Unpowered ventilation system suitable for underground room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211876258U true CN211876258U (en) | 2020-11-06 |
Family
ID=73251872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020209982.6U Expired - Fee Related CN211876258U (en) | 2020-02-25 | 2020-02-25 | Unpowered ventilation system suitable for underground room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211876258U (en) |
-
2020
- 2020-02-25 CN CN202020209982.6U patent/CN211876258U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105180340A (en) | Energy-saving environment-friendly dedusting ventilating device | |
| CN211876258U (en) | Unpowered ventilation system suitable for underground room | |
| CN205919478U (en) | Wind gap and use air exchange system in this wind gap | |
| CN108566891A (en) | The method of ventilation and ventilation device of animal colony house | |
| CN207561079U (en) | The ventilation device of animal colony house | |
| CN106912386A (en) | The exhaust structure of animal room | |
| CN206308763U (en) | A kind of public lavatory post unpowered exhaust system of formula | |
| CN215446750U (en) | Lighting and ventilating integrated building combined device | |
| CN205079389U (en) | Energy -concerving and environment -protective dust removal ventilation equipment | |
| CN206829557U (en) | A kind of basement high-efficient ventilation pipeline group | |
| CN105387553A (en) | Toilet fresh-air exchanging device and method | |
| CN208765169U (en) | The distributing natural ventilating structure of piping lane | |
| CN105953291B (en) | Utilize the solar radiation heat heating of industrial premises peripheral structure and ventilating system | |
| CN208519922U (en) | A kind of Liftable type ground heat-exchange system | |
| CN209960577U (en) | Centralized oil smoke discharging system suitable for passive type residence | |
| CN201050856Y (en) | Ventilation means for indoor and outdoor | |
| CN207561076U (en) | Animal colony house air outlet mechanism | |
| CN110345589B (en) | Passive energy-saving environment-friendly system and house | |
| CN207561075U (en) | Animal colony house air inlet mechanism | |
| CN207561073U (en) | A kind of ventilation device of animal colony house | |
| CN202416798U (en) | Cast-in-place ventilation and smoke discharge system | |
| CN208687926U (en) | Blast cap outside new blower intake stack room | |
| CN208137214U (en) | Self-ventilation photovoltaic glass curtain wall | |
| CN206808131U (en) | A kind of Novel mushroom house structure | |
| CN207692644U (en) | A kind of ventilating system of solid pig house |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 |