CN209779491U - Light curtain vehicle stopper for concave overpass - Google Patents
Light curtain vehicle stopper for concave overpass Download PDFInfo
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- CN209779491U CN209779491U CN201920429511.3U CN201920429511U CN209779491U CN 209779491 U CN209779491 U CN 209779491U CN 201920429511 U CN201920429511 U CN 201920429511U CN 209779491 U CN209779491 U CN 209779491U
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Abstract
The utility model relates to a light curtain car stop that recessed formula overpass was used belongs to city safety flood prevention technical field. The technical scheme is as follows: a light curtain rod (1) is vertically arranged beside a road at the entrance of the concave overpass, a light source (2) emitting a plurality of parallel light rays is arranged on the light curtain rod, the light source (2) is arranged along the axial direction of the light curtain rod (1), the irradiation directions of the plurality of parallel light rays emitted by the light source (2) are the same, the light sources are positioned in the same plane, and a bridge head light curtain (3) is formed on the road of the concave overpass; the luminous source (2) is connected with a power supply; a water level meter (5) is arranged under the concave overpass, and the output of the water level meter (5) controls a luminous source. The utility model discloses beneficial effect: when the urban sunken overpass is submerged in water under the bridge in rainy season, the vehicle blocking roadblocks are automatically arranged, so that pedestrians and vehicles are prevented from entering dangerous places due to water accumulation under the bridge, and safety is guaranteed; when accumulated water under the bridge is eliminated, the road traffic is automatically recovered, human interference is not needed, and the device is unattended.
Description
Technical Field
The utility model relates to a light curtain car stop that recessed formula overpass was used belongs to city safety flood prevention technical field.
Background
At present, a large number of sunken overpasses are built in cities, a large amount of accumulated water is easily generated under the overpasses in the rainy season and in the flood season, and accidents such as incapability of driving under the overpasses and vehicle damage and even casualties caused by the fact that people and vehicles enter the accumulated water by mistake often occur if timely and effective prompt and blocking are not provided. At present, when water is accumulated under a bridge, a road administration department usually adopts a way of manually arranging roadblocks to block vehicles and pedestrians so as to ensure the safety of the vehicles and the pedestrians, but the method is laggard and inefficient, and no better solution is available. At present, due to the fact that the number of overpasses is large, urban recessed overpasses become a large potential safety hazard in the rainy season and in the flood season due to the fact that facilities for timely and effectively prompting and blocking vehicles do not exist, and the safety of lives and properties of people is seriously threatened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a light curtain vehicle stopper for a concave overpass, which can automatically lay and block vehicle roadblocks when the concave overpass in a city causes flooding under the bridge in rainy season, thereby avoiding the situation that pedestrians and vehicles enter dangerous places due to the accumulated water under the bridge and ensuring the safety; when accumulated water under the bridge is eliminated, the road traffic is automatically recovered, the interference of people is not needed, the unattended operation is realized, and the problems in the background technology are solved.
The technical scheme of the utility model is that:
A light curtain vehicle stopper for a recessed overpass comprises light curtain rods, light emitting sources and a water level meter, wherein the light curtain rods are vertically arranged beside a road at an entrance of the recessed overpass, the light curtain rods are provided with the light emitting sources emitting a plurality of parallel light rays, the light emitting sources are arranged along the axial direction of the light curtain rods, the irradiation directions of the plurality of parallel light rays emitted by the light emitting sources are the same, the light emitting sources are positioned in the same plane, and a bridge head light curtain is formed on the road of the recessed overpass; the luminous source is connected with the power supply; the water level meter is arranged under the concave overpass, and the output of the water level meter controls the luminous source.
The light curtain rod is arranged on one side of a road at an entrance of the concave overpass, the light barrier matched with the light curtain rod is arranged on the other side of the road at the entrance or in the center of the road, and the light source works to form a bridge head light curtain between the light curtain rod and the light barrier. The light barrier is used for shielding and protecting the pedestrians on the sidewalk opposite to the road.
The luminous source is a laser luminous body, is the prior art, consists of a laser diode, a front end lens and a driving circuit, adopts pulse power supply, and has the pulse frequency not less than 24Hz so as to meet the visual continuity. The light curtain rod is a common cement rod or a metal rod and can be directly buried or fixed by a cement foundation.
The bridgehead light curtain is applied to a bridgehead light curtain of a concave overpass and is composed of a plurality of parallel light rays with intervals, the light rays come from light curtain rods at the roadside of the bridgehead of the concave overpass, each light ray is emitted by a light emitting source (such as a laser light emitting body) matched with the light curtain rods, and the light rays form the light curtain due to the diffuse reflection of microparticles, rain water vapor or moisture, raindrops and the like in the air to the light rays.
The water level gauge is arranged at the lowest point below the downward concave overpass, and is the prior art, for example: the applicant has filed patents 201610131800.6 (application No.) and 201620177915.4 (application No.).
The bridge head of the concave overpass is provided with an alarm display screen, and the water level meter is connected with the alarm display screen.
And fully-automatic light curtain car stoppers are arranged at the inlets of the two-way channels at the two ends of the concave overpass.
The water level gauge under the concave overpass can also be connected with a traffic command center through a communication network.
When the accumulated water under the concave overpass reaches the set dangerous depth in the rainy season and the flood season, the water level meter outputs a control signal, the light-emitting source on the light curtain rod is connected with a power supply, the light-emitting source is arranged along the axial direction of the light curtain rod, the irradiation directions of a plurality of parallel light rays emitted by the light-emitting source are the same and are positioned in the same plane, and a bridge head light curtain is formed on the road of the concave overpass; and blocking and reminding people and vehicles not to enter the space below the sunken overpass.
The working signal of the bridge head light curtain is obtained from a water level meter under the recessed overpass, the working signal is automatically distributed when the water level reaches a set value, and the working signal is automatically cancelled when the water level under the overpass is lower than the set value.
The bridge head of the recessed overpass is provided with an alarm display screen, the water level meter is connected with the alarm display screen, accumulated water below the recessed overpass reaches a set dangerous depth, the water level meter outputs a control signal, and when the light curtain of the bridge head is lightened, the alarm display screen displays an alarm signal and emits an alarm sound; the water level meter under the recessed overpass is also connected with a traffic command center through a communication network, accumulated water under the recessed overpass reaches a set dangerous depth, the water level meter outputs a control signal, and an alarm signal is transmitted to the traffic command center while a light curtain at the bridge head is lightened.
The utility model discloses beneficial effect: when the urban sunken overpass is submerged in water under the bridge in rainy season, the vehicle blocking roadblocks are automatically arranged, so that pedestrians and vehicles are prevented from entering dangerous places due to water accumulation under the bridge, and safety is guaranteed; when accumulated water under the bridge is eliminated, the road traffic is automatically recovered, human interference is not needed, and the device is unattended.
Drawings
FIG. 1 is a schematic side view of an embodiment of the present invention;
Fig. 2 is a schematic top view of an embodiment of the present invention;
Fig. 3 is a schematic front view of an embodiment of the present invention;
FIG. 4 is a schematic structural view of a light curtain rod according to an embodiment of the present invention;
In the figure: the device comprises a light curtain rod 1, a light emitting source 2, a bridge head light curtain 3, a light barrier 4, a water level meter 5, an entrance road 6 and a downward-concave overpass 7.
Detailed Description
The present invention will be further explained by way of examples with reference to the accompanying drawings.
A light curtain vehicle stopper for a recessed overpass comprises a light curtain rod 1, a light source 2 and a water level gauge 5, wherein the light curtain rod 1 is vertically arranged beside a road at the entrance of the recessed overpass, the light curtain rod is provided with the light source 2 emitting a plurality of parallel light rays, the light source 2 is arranged along the axial direction of the light curtain rod 1, the irradiation directions of the plurality of parallel light rays emitted by the light source 2 are the same and are positioned in the same plane, and a bridge head light curtain 3 is formed on the road of the recessed overpass; the luminous source 2 is connected with a power supply; a water level meter 5 is arranged under the concave overpass, and the output of the water level meter 5 controls the luminous source 2.
The light curtain rod 1 is arranged on one side of a road at an entrance of the concave overpass, the light barrier 4 matched with the light curtain rod 1 is arranged on the other side of the road or the center of the road at the entrance, and the light source 2 works to form a bridge head light curtain 3 between the light curtain rod 1 and the light barrier 4. The light barrier is used for shielding and protecting the pedestrians on the sidewalk opposite to the road.
The light source 2 is a laser light emitting body, is in the prior art, consists of a laser diode, a front end lens and a driving circuit, adopts pulse power supply, and has the pulse frequency not less than 24Hz so as to meet the requirement of visual continuity. The light curtain rod is a common cement rod or a metal rod and can be directly buried or fixed by a cement foundation.
the bridgehead light curtain is applied to a bridgehead light curtain of a concave overpass and is composed of a plurality of parallel light rays with intervals, the light rays come from light curtain rods at the roadside of the bridgehead of the concave overpass, each light ray is emitted by a light emitting source (such as a laser light emitting body) matched with the light curtain rods, and the light rays form the light curtain due to the diffuse reflection of microparticles, rain water vapor or moisture, raindrops and the like in the air to the light rays.
The water level meter is arranged at the lowest point below the downward concave overpass, which is the prior art, for example: the applicant has filed patents 201610131800.6 (application No.) and 201620177915.4 (application No.).
The bridge head of the concave overpass is provided with an alarm display screen, and the water level meter is connected with the alarm display screen.
And fully-automatic light curtain car stoppers are arranged at the inlets of the two-way channels at the two ends of the concave overpass.
The water level gauge under the concave overpass can also be connected with a traffic command center through a communication network.
When the accumulated water under the concave overpass reaches the set dangerous depth in the rainy season and flood season, the water level meter 5 outputs a control signal, the light source 2 on the light curtain rod is connected with a power supply, the light source 2 is arranged along the axial direction of the light curtain rod 1, the irradiation directions of a plurality of parallel light rays emitted by the light source 2 are the same and are positioned in the same plane, and a bridge head light curtain 3 is formed on the road of the concave overpass; and blocking and reminding people and vehicles not to enter the space below the sunken overpass.
The working signal of the bridge head light curtain is obtained from a water level meter under the recessed overpass, the working signal is automatically distributed when the water level reaches a set value, and the working signal is automatically cancelled when the water level under the overpass is lower than the set value.
The bridge head of the recessed overpass is provided with an alarm display screen, the water level meter is connected with the alarm display screen, accumulated water below the recessed overpass reaches a set dangerous depth, the water level meter 5 outputs a control signal, and when a light curtain of the bridge head is lightened, the alarm display screen displays an alarm signal and emits an alarm sound; the water level meter under the concave overpass is also connected with a traffic command center through a communication network, accumulated water under the concave overpass reaches a set dangerous depth, the water level meter 5 outputs a control signal, and an alarm signal is transmitted to the traffic command center while a bridge head light curtain is lightened.
Claims (7)
1. The utility model provides a light curtain car stop that recessed overpass was used which characterized in that: the light curtain rod (1) is vertically arranged beside a road at the entrance of the downward concave overpass, the light curtain rod is provided with a light source (2) emitting a plurality of parallel light rays, the light source (2) is arranged along the axis direction of the light curtain rod (1), the irradiation directions of the plurality of parallel light rays emitted by the light source (2) are the same and are positioned in the same plane, and a bridge head light curtain (3) is formed on the road of the downward concave overpass; the luminous source (2) is connected with a power supply; a water level meter (5) is arranged under the concave overpass, and the output of the water level meter (5) controls the luminous source (2).
2. The light curtain vehicle stopper for the recessed overpass according to claim 1, wherein: the light curtain rod (1) is arranged on one side of a road at an entrance of the concave overpass, the light barrier (4) matched with the light curtain rod (1) is arranged on the other side of the road or in the center of the road at the entrance, and the light source (2) works to form a bridge head light curtain (3) between the light curtain rod (1) and the light barrier (4).
3. the light curtain vehicle stopper for the recessed overpass according to claim 1 or 2, wherein: the luminous source (2) is a laser luminous body.
4. The light curtain vehicle stopper for the recessed overpass according to claim 1 or 2, wherein: the light curtain rod is a cement rod or a metal rod and is directly buried or fixed by a cement foundation.
5. the light curtain vehicle stopper for the recessed overpass according to claim 1 or 2, wherein: the water level meter is arranged at the lowest point below the downward concave overpass.
6. the light curtain vehicle stopper for the recessed overpass according to claim 1 or 2, wherein: the bridge head of the concave overpass is provided with an alarm display screen, and the water level meter is connected with the alarm display screen.
7. The light curtain vehicle stopper for the recessed overpass according to claim 1 or 2, wherein: and the water level gauge below the sunken overpass is also connected with a traffic command center through a communication network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429511.3U CN209779491U (en) | 2019-04-01 | 2019-04-01 | Light curtain vehicle stopper for concave overpass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429511.3U CN209779491U (en) | 2019-04-01 | 2019-04-01 | Light curtain vehicle stopper for concave overpass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209779491U true CN209779491U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920429511.3U Active CN209779491U (en) | 2019-04-01 | 2019-04-01 | Light curtain vehicle stopper for concave overpass |
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| Country | Link |
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| CN (1) | CN209779491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811677A (en) * | 2019-04-01 | 2019-05-28 | 唐山现代工控技术有限公司 | A kind of full-automatic light curtain car lug and stopping method of up concave type viaduct |
-
2019
- 2019-04-01 CN CN201920429511.3U patent/CN209779491U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811677A (en) * | 2019-04-01 | 2019-05-28 | 唐山现代工控技术有限公司 | A kind of full-automatic light curtain car lug and stopping method of up concave type viaduct |
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