CN204002888U - A kind of novel tunnel ventilation installation - Google Patents
A kind of novel tunnel ventilation installation Download PDFInfo
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- CN204002888U CN204002888U CN201420472908.8U CN201420472908U CN204002888U CN 204002888 U CN204002888 U CN 204002888U CN 201420472908 U CN201420472908 U CN 201420472908U CN 204002888 U CN204002888 U CN 204002888U
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Abstract
The utility model provides a kind of novel tunnel ventilation installation.Described tunnel ventilation device comprises tunnel and is arranged on the ventilation fan of tunnel top, it is characterized in that: the side at tunnel entrance end and the port of export is respectively equipped with airshaft, described ventilation fan has many groups, many group ventilation fans are longitudinally distributed in tunnel top, between two groups of ventilation fans of tunnel top, offer ventilation opening, at ventilation opening place, be provided with and lead to extraneous air chimney, and be provided with blast fan at ventilation opening place.The utility model is simple in structure, by vertical shaft, ventilation fan and blast fan, tunnel internal is ventilated, and by three kinds of air vent modes, tunnel is ventilated, and has greatly improved the effect of ventilating, and economic environmental protection, guarantees ventilation effect.
Description
Technical field
The utility model relates to ventilating apparatus for tunnels field, particularly a kind of novel tunnel ventilation installation.
Background technology
In traffic tunnel, good air conditions is the necessary condition of traffic safety, and ventilation is for the concentration that has gas or pollutant in tunnel being reduced, guaranteeing safety and the comfortableness of running car.
The common draft type of existing tunnel mainly contains natural ventilation and Longitudinal Ventilation, and wherein natural ventilation refers to by piston action and the natural wind action of the automobile of process in tunnel, and pernicious gas and flue dust are got rid of in tunnel.Adopt Natural Ventilation Mode to be limited to the size of vehicle flowrate tunnel in, and the air-flow that the unstability of natural wind and complexity can affect in tunnel greatly exchange.And Longitudinal Ventilation is to introduce fresh air from hole, by the decontaminate mode of air of another hole.This mode, air pollution degree is linear by entrance to Way out to be increased, and entrance pollution concentration is minimum, surveys pollution concentration large in outlet.It is high that chance fire situation can cause exporting place, hole concentration, smoke evacuation inconvenience.The ventilator power ratio that existing Longitudinal Ventilation adopts is larger, and cost is higher and noise pollution is serious, economic not environmental protection.
Except conventional tunnel ventilation mode, the tunnel ventilation device that also has some Automatic Control, most typical tunnel ventilation device comprises the smoke alarm that gathers smokescope in tunnel, described smoke alarm detects smokescope signal value and arrives while setting value, just signal can be passed to ventilation installation controller, by ventilation installation controller, open the ventilation fan being arranged in tunnel and turn round, ventilate by force, eliminate as early as possible the harm of smog; , also there are a lot of problems in the ventilation installation of Automatic Control, while not arriving setting value such as the smokescope in tunnel, ventilation installation just can not worked, and in tunnel, how much has some smog, can not discharge in time or can affect traffic safety in use; And full automatic control device is in use easy to break down, once break down, just can affect normal ventilation, still can bring potential safety hazard to tunnel driving.
In addition, in use, rainwater is easy to enter tunnel by ventilation opening existing ventilation installation, affects the normal work of ventilation fan, damages the performance of ventilation fan, and makes tunnel occur seeping phenomenon, affects the traffic safety in tunnel.
Summary of the invention
The utility model provides a kind of novel tunnel ventilation installation according to the deficiencies in the prior art, and this ventilation installation, in conjunction with a plurality of ventilating structures, is realized tunnel ventilation by multiple air vent mode, guarantees its ventilation effect.
The technical scheme that the utility model provides: described a kind of novel tunnel ventilation installation comprises tunnel and is arranged on the ventilation fan of tunnel top, it is characterized in that: the side at tunnel entrance end and the port of export is respectively equipped with airshaft, described ventilation fan has many groups, many group ventilation fans are longitudinally distributed in tunnel top, between two groups of ventilation fans of tunnel top, offer ventilation opening, at ventilation opening place, be provided with and lead to extraneous air chimney, and be provided with blast fan at ventilation opening place.
The further technical scheme of the utility model: described air chimney is comprised of the first inclination air chimney, horizontal air chimney and the second inclination air chimney, the lower end of the first inclination air chimney is communicated with vent seal, upper end is communicated with one end sealing of horizontal air chimney, the other end of horizontal air chimney is communicated with the lower end of the second inclination air chimney, and the external world is led in the upper end of the second inclination air chimney; Below the junction of horizontal air chimney and the second inclination air chimney, be provided with water storage tank, and offer a plurality of drain holes in the bottom of water storage tank.
The utility model is technical scheme preferably: in ventilation opening inner side, be provided with cover plate, one end and the ventilation opening of cover plate are articulated and connected, in its junction, be provided with back-moving spring, at tunnel top, near cover plate hinge end, be provided with cover plate and open motor, the output shaft of opening motor at cover plate is provided with rotating disk, and rotating disk is connected by stay cord with cover plate.
The utility model is technical scheme preferably: described many group ventilation fans equidistantly arrange, every group of ventilation fan is comprised of three ventilation fans that are arranged side by side, each ventilation fan is arranged on tunnel top by whirligig, described whirligig is being comprised of with rotary support electric rotating machine, electric rotating machine is fixedly mounted on tunnel top, runing rest is connected with the output shaft of electric rotating machine, and ventilation fan is arranged on runing rest.
The further technical scheme of the utility model: described two airshafts are arranged on the homonymy in tunnel or are arranged on the both sides in tunnel.
The utility model is technical scheme preferably: the bottom at two airshafts is provided with plash, and plash is communicated with extraneous gutter by gutter.
The utility model is technical scheme preferably: the angle of inclination of described the first inclination air chimney and the second inclination air chimney is 45 °.
The beneficial effects of the utility model:
1. the utility model is respectively equipped with airshaft in the side at the two ends in tunnel, without any ventilation instrument in the situation that, can realize the ventilation in tunnel by natural wind;
2. at tunnel top, be provided with many ventilation fans, when smokescope in running into tunnel is larger, just can open ventilation fan, the wind path then increasing in tunnel by ventilation fan circulates, and accelerates ventilation speed;
3. at the top in tunnel, also offer ventilation opening, and be provided with blast fan at ventilation opening place, at ventilation opening, place is connected with ventilating duct, while there is fire or other emergency case in tunnel, just can open ventilation opening, open blast fan, from tunnel top, realize and ventilating, increased vent passages, guaranteed running under disaster scenarios it, tunnel also can normally ventilate;
4. the ventilation opening place at tunnel top of the present utility model is provided with and stops, and stops by Electric Machine Control, can realize the function of automatic unlatching;
5. ventilation fan of the present utility model is provided with a plurality ofly, and a plurality of ventilation fans are and are longitudinally distributed in tunnel top, and each ventilation fan is arranged on tunnel top by rotary support, can realize waving of ventilation fan, increases ventilation function;
6. in the bottom of each airshaft, be provided with the plash in vertical shaft, can hold rainwater, and by pipeline, plash is communicated with externally drained ditch, can guarantee that the ponding in vertical shaft can be discharged fast, can not flow in tunnel;
7. the pipeline that is arranged on ventilation opening is to be combined by more piece pipeline, between every two adjacent pipelines, shape has a certain degree, and leading to the pipeline of outermost end and be adjacent pipeline junction and be provided with water receiving tank, and be provided with drain hole in water receiving tank bottom, the water entering by pipeline can be gathered in water receiving tank, then discharge, prevent that rainwater from entering blast fan is caused to damage from top.
The utility model is simple in structure, by vertical shaft, ventilation fan and blast fan, tunnel internal is ventilated, and by three kinds of air vent modes, tunnel is ventilated, and has greatly improved the effect of ventilating, and economic environmental protection, guarantees ventilation effect.
Accompanying drawing explanation
Fig. 1 is top view of the present utility model;
Fig. 2 is the transverse sectional view that the utility model airshaft is arranged on both sides;
Fig. 3 is the transverse sectional view that the utility model airshaft is arranged on homonymy;
Fig. 4 is the structural representation at ventilation opening place;
Fig. 5 is the structural representation of ventilation fan.
In figure: 1-tunnel, 2-airshaft, 3-ventilation fan, 4-ventilation opening, 5-air chimney, 6-blast fan, 7-cover plate, 8-cover plate is opened motor, 9-rotating disk, 10-stay cord, 11-hinge, the 12-the first inclination air chimney, 13-horizontal air chimney, the 14-the second inclination air chimney, 15-water receiving tank, 16-drain hole, 17-electric rotating machine, 18-runing rest, 19-plash, 20-gutter, 21-gutter.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.As shown in Figure 1, described a kind of novel tunnel ventilation installation, comprise tunnel 1 and the ventilation fan 3 that is arranged on 1 top, tunnel, it is characterized in that: in tunnel, the side of 1 entrance point and the port of export is respectively equipped with airshaft 2, described two airshafts are arranged on the homonymy (as shown in Figure 3) in tunnel or are arranged on the both sides (as shown in Figure 2) in tunnel, two airshaft bottoms are communicated with tunnel by transversal ventilation passage respectively, can realize the basic ventilation state in tunnel, in the bottom of two airshafts 2, be provided with plash 19 as shown in Figure 2, plash 19 is communicated with extraneous gutter 20 by gutter 21, can avoid rainwater to enter in tunnel by airshaft 2, as shown in Figure 1, described ventilation fan 3 has many groups, many group ventilation fans 3 are equidistantly longitudinally distributed in tunnel top, increase ventilation effect, and every group of ventilation fan is comprised of three ventilation fans that are arranged side by side 3, as shown in Figure 5, each ventilation fan 3 is arranged on tunnel top by whirligig, described whirligig by electric rotating machine 17 and rotary support 18 form, electric rotating machine is fixedly mounted on tunnel top, runing rest 18 is connected with the output shaft of electric rotating machine, and ventilation fan 3 is arranged on runing rest 18.Under the effect of stepper motor, runing rest swings, and increases the ventilation effect of ventilation fan.
As shown in Figure 1, between two groups of ventilation fans 3 of tunnel top, offer ventilation opening 4, at ventilation opening place, be provided with and lead to extraneous air chimney 5, and be provided with blast fan 6 at ventilation opening 4 places.As shown in Figure 2, described air chimney 5 is comprised of the first inclination air chimney 12, horizontal air chimney 13 and the second inclination air chimney 14, the angle of inclination of described the first inclination air chimney 12 and the second inclination air chimney 14 is 45 °, the lower end of the first inclination air chimney 12 is communicated with ventilation opening 4 sealings, upper end is communicated with one end sealing of horizontal air chimney 13, the other end of horizontal air chimney 13 is communicated with the lower end of the second inclination air chimney 14, and the external world is led in the upper end of the second inclination air chimney 14; Below the junction of horizontal air chimney 13 and the second inclination air chimney 14, be provided with water storage tank 15, water storage tank is directly communicated with gutter, can will enter the rainwater-collecting of gutter, and offer a plurality of drain holes 16 in the bottom of water storage tank 15.Adopt air chimney of the present utility model to prevent that rainwater from entering blast fan is caused to damage from top, rainwater, in water storage tank 15 alluvials of horizontal air chimney 13 and the second inclination air chimney 14 joints, is discharged water receiving tank by drain hole 16.
As shown in Figure 2, in ventilation opening 4 inner sides, be provided with cover plate 7, one end of cover plate 7 and ventilation opening 4 are articulated and connected, in its junction, be provided with back-moving spring, at tunnel top, near cover plate 7 hinged ends, be provided with cover plate and open motor 8, the output shaft of opening motor 8 at cover plate is provided with rotating disk 9, and rotating disk 9 is connected by stay cord 10 with cover plate.Conventional state lower cover 7 is closure state, when need to open blast fan, opens motor 8 drive rotating disk 9 to rotate by cover plate, then tightens up stay cord 10, under the effect of stay cord, cover plate 7 is opened; While not needing to open blast fan, only use by driven by motor rotating disk 9 and rotate backward, then stay cord 10 is in releasing orientation, and cover plate 7 automatically covers under the effect of back-moving spring.
Under the utility model mean time ventilation state, can open ventilation fan and blast fan, only need to utilize airshaft 2 natural ventilations at two ends, guarantee the basic ventilation situation in tunnel, if the smokescope in tunnel is higher a little, just can open ventilation fan 3, then by many groups ventilation fan 3, increase the ventilation situation in tunnel; If there is situations such as fire, in tunnel, need to accelerate to ventilate, just open the cover plate of ventilation opening, then open blast fan, by airshaft and ventilating duct 5, ventilate simultaneously, can eliminate fast the dense smoke in tunnel, guarantee that in tunnel, air is normal.
The utility model can ventilate to tunnel 1 by three kinds of air vent modes, has greatly improved the effect of ventilating, and economic environmental protection, guarantees ventilation effect.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (7)
1. a novel tunnel ventilation installation, comprise tunnel (1) and be arranged on the ventilation fan (3) at top, tunnel (1), it is characterized in that: in tunnel, the side of (1) entrance point and the port of export is respectively equipped with airshaft (2), described ventilation fan (3) has many groups, many group ventilation fans (3) are longitudinally distributed in tunnel top, between two groups of ventilation fans (3) of tunnel top, offer ventilation opening (4), at ventilation opening place, be provided with and lead to extraneous air chimney (5), and locate to be provided with blast fan (6) at ventilation opening (4).
2. novel tunnel ventilation installation according to claim 1, it is characterized in that: described air chimney (5) is comprised of the first inclination air chimney (12), horizontal air chimney (13) and the second inclination air chimney (14), the lower end of the first inclination air chimney (12) is communicated with ventilation opening (4) sealing, upper end is communicated with one end sealing of horizontal air chimney (13), the other end of horizontal air chimney (13) is communicated with the lower end of the second inclination air chimney (14), and the external world is led in the upper end of the second inclination air chimney (14); In horizontal air chimney (13) and the below, junction of the second inclination air chimney (14), be provided with water storage tank (15), and offer a plurality of drain holes (16) in the bottom of water storage tank (15).
3. novel tunnel ventilation installation according to claim 1 and 2, it is characterized in that: in ventilation opening (4) inner side, be provided with cover plate (7), one end of cover plate (7) and ventilation opening (4) are articulated and connected, in its junction, be provided with back-moving spring, at tunnel top, near cover plate (7) hinged end, be provided with cover plate and open motor (8), the output shaft of opening motor (8) at cover plate is provided with rotating disk (9), and rotating disk (9) is connected by stay cord (10) with cover plate.
4. novel tunnel ventilation installation according to claim 1 and 2, it is characterized in that: described many group ventilation fans equidistantly arrange, every group of ventilation fan is comprised of three ventilation fans that are arranged side by side (3), each ventilation fan (3) is arranged on tunnel top by whirligig, described whirligig is comprised of in (17) and rotary support (18) electric rotating machine, electric rotating machine is fixedly mounted on tunnel top, runing rest (18) is connected with the output shaft of electric rotating machine, and ventilation fan (3) is arranged on runing rest (18).
5. novel tunnel ventilation installation according to claim 1 and 2, it is characterized in that: in the bottom of two airshafts (2), be provided with plash (19), plash (19) is communicated with extraneous gutter (20) by gutter (21).
6. novel tunnel ventilation installation according to claim 1 and 2, is characterized in that: described two airshafts are arranged on the homonymy in tunnel or are arranged on the both sides in tunnel.
7. novel tunnel ventilation installation according to claim 1 and 2, is characterized in that: the angle of inclination of described the first inclination air chimney (12) and the second inclination air chimney (14) is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472908.8U CN204002888U (en) | 2014-08-20 | 2014-08-20 | A kind of novel tunnel ventilation installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472908.8U CN204002888U (en) | 2014-08-20 | 2014-08-20 | A kind of novel tunnel ventilation installation |
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| Publication Number | Publication Date |
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| CN204002888U true CN204002888U (en) | 2014-12-10 |
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| CN201420472908.8U Active CN204002888U (en) | 2014-08-20 | 2014-08-20 | A kind of novel tunnel ventilation installation |
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| CN (1) | CN204002888U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523017A (en) * | 2017-01-09 | 2017-03-22 | 河北工程大学 | Tunnel ventilating system |
| CN109057848A (en) * | 2018-08-09 | 2018-12-21 | 湖南科技大学 | The ventilation of Extra-long Highway Tunnel closed cycle divides wind to determine method than number maximum |
| CN110319031A (en) * | 2018-03-29 | 2019-10-11 | 西安势加动力科技有限公司 | A kind of tunnel life-saving axial flow blower and indicating means of meeting an urgent need |
-
2014
- 2014-08-20 CN CN201420472908.8U patent/CN204002888U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523017A (en) * | 2017-01-09 | 2017-03-22 | 河北工程大学 | Tunnel ventilating system |
| CN110319031A (en) * | 2018-03-29 | 2019-10-11 | 西安势加动力科技有限公司 | A kind of tunnel life-saving axial flow blower and indicating means of meeting an urgent need |
| CN109057848A (en) * | 2018-08-09 | 2018-12-21 | 湖南科技大学 | The ventilation of Extra-long Highway Tunnel closed cycle divides wind to determine method than number maximum |
| CN109057848B (en) * | 2018-08-09 | 2019-12-06 | 湖南科技大学 | method for determining maximum value of wind ratio number of closed type circulation ventilation of extra-long road tunnel |
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