JPH08105026A - Defogging device for roadway - Google Patents

Abstract

PURPOSE: To secure safety traveling even if dense fog is generated around the roadway. CONSTITUTION: The fog generating condition between shield plates located on both sides of a road is detected by a fog sensor 11. When fog is generated, control signals are sent from a central control device 9 to each dry lower temperature air generating device 7 to operate the dry lower temperature air generating device. The mist separating and removing device on each dry lower temperature air generating device removes mist from air and sends the air to a dehumidifying and cooling device. The dehumidifying and cooling device dehumidifies and cools saturated air from which mist was removed to produce dry low temperature air, and sends it to an air blowing device. The air blowing device blows the dry low temperature air 5 to the roadway between the shield plates 10. In this case, a humidity and temperature sensor detects the humidity and temperature of the dry low temperature air, and the central control device controls the operating condition of the dry low temperature air generating device 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fog eliminator applied to an automobile road such as a general road, a highway and an automobile road in a dense fog area.

[0002]

2. Description of the Related Art In airports and the like, water is sprayed to eliminate thick fog, but on a motorway, a fog eliminating device that effectively eliminates thick fog has not been developed.

[0003]

Conventionally, as described above, since no fog eliminating device for effectively eliminating fog on a motorway has been developed, when a fog occurs, the visibility from the automobile deteriorates. However, there was a problem that safe driving was hindered. The present invention is proposed in view of the above problems,
Even if the area around the motorway is a fog-rich area, the purpose is to provide a fog-eliminating device for the motorway that can be used as a fog-free area on the roadway, improve visibility from the vehicle, and ensure safe driving. There is a point to offer.

[0004]

In order to achieve the above object, a defrosting device for an automobile road according to the present invention comprises a mist separating / removing device for separating and removing mist from air, and dehumidifying saturated air from which mist has been removed. , Dehumidifying / cooling device for cooling, blower device for blowing dry low-temperature air from the dehumidifying / cooling device, humidity / temperature sensor for detecting humidity and temperature of dry low-temperature air, and detection of fog concentration on roadway A fog sensor and a control device that controls each of the above devices by detection signals from these sensors constitute a dry low-temperature air generator, and a plurality of these dry low-temperature air generators are connected to a roadside belt of a motorway in a dense fog generation area. It is installed at a required point in the median strip, and of these dry low-temperature air generators, a gas-impermeable shield plate is installed outside the dry low-temperature air generators on the roadside.

[0005]

The fog eliminating device for an automobile road according to the present invention is configured as described above. The fog sensor detects a fog occurrence state between the shield plates on both sides of the road, and sends a fog detection signal to the control device. When a thick fog is generated, the control device sends a control signal to each dry low-temperature air generator to operate each dry low-temperature air generator, and the mist separation / removal device of each dry low-temperature air generator causes the mist-containing air to be removed. (Fog) is inhaled and the mist is removed from the air and sent to the dehumidifying / cooling device, which dehumidifies the saturated air from which the mist has been removed.
The cooled low-temperature air is sent to a blower, and the blower blows the dry low-temperature air without mist onto the road between the shield plates. At that time, the humidity / temperature sensor detects the humidity / temperature of the dry low-temperature air, and the control device
The operating state of the dry low-temperature air generator is controlled based on the humidity / temperature detection signal from the temperature sensor. Since the dry low-temperature air sent from each of the dry low-temperature air generators has a lower temperature and a higher density than the dense fog around the motorway, it stays on the roadway between the shield plates and between the shield plates. Even if the area around the motorway is a thick fog-generating area, the area above the road will be a fog-eliminating area because the roadway will be filled with mist-free dry low-temperature air.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a defrosting device for a motorway according to the present invention will be described with reference to FIGS.
Explaining one example shown in FIG. 3, 7 in FIG. 1 is a dry low temperature air generator, and the dry low temperature air generator 7 is a mist separation / removal device 2 for separating and removing mist from air,
Dehumidifying / cooling device 3 for dehumidifying and cooling the mist-removed saturated air, blower device 4 for blowing dry low-temperature air from the dehumidifying / cooling device 3, humidity / temperature for detecting the humidity and temperature of the dry low-temperature air The sensor 6, a fog sensor 11 (see FIGS. 2 and 3) that detects the density of fog on the roadway, and these sensors 6,
It is configured by a centralized control device 12 (see FIG. 2) that controls each of the above devices 2 to 4 by a detection signal from 11.

As the mist separating / removing device 2, an electrostatic separator, a centrifugal separator, an inertial separator, a filter cloth separator, etc. are used. 1 is a mist containing mist sucked into the dry low-temperature air generator 7, and reference numeral 5 is dry low-temperature air without mist sent from the dry low-temperature air generator 7. 2 and 3, 8 and 8 are roadside belts, 9 is a median belt, and a plurality of the dry low-temperature air generators 7 are required to be the roadside belts 8 and 8 and the median belt 9 of the motorway in the dense fog generating area. It is installed at the point.

2 and 3, reference numerals 10 and 10 denote gas-impermeable shield plates, and the shield plates 10 and 10 are roadside belts 8 and 8.
It is installed outside the dry low-temperature air generator 7. Reference numeral 13 in FIG. 3 denotes a thick fog generation area, and 14 denotes a mist low-concentration space portion (fog-free area). Next, the operation of the fog eliminating device for an automobile road shown in FIGS. 1 to 3 will be specifically described. The fog sensor 11 detects the generation state of fog between the shielding plates 10 and 10 and sends a fog detection signal to the central control unit 9. When a thick fog is generated, the central control unit 9 sends each dry low temperature air generation unit 7 to the dry low temperature air generation unit 7. A control signal is sent to operate each of the dry low-temperature air generators 7.

At this time, the mist separation / removal device 2 of each dry low-temperature air generator 7 sucks in air (fog) 1 containing mist, removes the mist from the air, and sends it to the dehumidifying / cooling device 3. The dehumidifying / cooling device 3 dehumidifies and cools the mist-removed saturated air to form dry low-temperature air, and sends the dry low-temperature air to the blower device 4. The blower device 4 shields the dry low-temperature air 5 without mist. The air is blown on the road between 10 and 10. At that time, the humidity / temperature sensor 6 detects the humidity / temperature of the dry low-temperature air, and the central control unit 9 controls the dry low-temperature air generator 7 based on the humidity / temperature detection signal from the humidity / temperature sensor 6. Control operating conditions.

Since the dry low-temperature air 5 sent from each of the dry low-temperature air generators 7 has a lower temperature and a higher density than the dense fog around the automobile road, it stays on the road between the shield plates 10 and 10. Since the roadway between the shielding plates 10 and 10 is filled with the dry low-temperature air 5 without mist, even if the area around the motorway is the dense fog generating region 13, the roadway above the roadway has a mist low-concentration space portion. (Fog-free area) becomes 14.

[0011]

As described above, the fog eliminator of the present invention detects the fog generation state between the shield plates on both sides of the road by the fog sensor and sends a fog detection signal to the control device to generate a thick fog. In this case, the control device sends a control signal to each dry low-temperature air generator to operate each dry low-temperature air generator, and the mist separation / removal device of each dry low-temperature air generator causes air containing mist (fog). Intake air, remove mist from the air, and send it to the dehumidifying / cooling device.The dehumidifying / cooling device dehumidifies and cools the saturated air from which mist has been removed, and sends it to dry low-temperature air, and sends it to the air blower. The blower blows the dry low-temperature air without mist onto the road between the shield plates. At that time, the humidity / temperature sensor detects the humidity / temperature of the dry low-temperature air, and the control device controls the operating state of the dry low-temperature air generator based on the humidity / temperature detection signal from the humidity / temperature sensor. . Since the dry low-temperature air sent from each of the dry low-temperature air generators has a lower temperature and a higher density than the dense fog around the motorway, it stays on the roadway between the shield plates and between the shield plates. Since the roadway will be filled with mist-free dry low-temperature air, even if there is a thick fog area around the road, it can be defrosted on the roadway, improving visibility from the vehicle and driving safely. Can be secured.

[Brief description of drawings]

FIG. 1 is a system diagram showing an embodiment of a dry low-temperature air generator of a fog eliminator for an automobile road according to the present invention.

FIG. 2 is a plan view showing the entire fog eliminating device.

FIG. 3 is an explanatory view of the operation of the fog eliminating device.

[Explanation of symbols]

 1 Fog containing mist 2 Mist separating and removing device 3 Dehumidifying / cooling device 4 Blower 5 Dry low-temperature air without mist 6 Humidity / temperature sensor 7 Dry low-temperature air generator 8, 8 Roadside zone 9 Central separator 10, 10 Shielding plate 11 Fog Sensor 12 Control Device 13 Thick Fog Occurring Area 14 Mist Low Concentration Space (Mist-eliminating Area)

Claims (1)

[Claims] 1. A mist separating / removing device that separates and removes mist from air, a dehumidifying / cooling device that dehumidifies and cools saturated air from which mist has been removed, and a blowing device that blows dry low-temperature air from the dehumidifying / cooling device. , A humidity / temperature sensor that detects the humidity and temperature of the dry low-temperature air, a fog sensor that detects the concentration of fog on the roadway, and a control device that controls the above devices by the detection signals from these sensors. A generator is constructed, and a plurality of these dry low-temperature air generators are installed at the required points of the roadside strip and the median strip of the motorway in the dense fog generating area.
A defrosting device for an automobile road, characterized in that a gas-impermeable shielding plate is installed outside the dry low-temperature air generator on the roadside zone.