JP2006172174A - Hood and signal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hood that can effectively prevent snow cover by a simple structure and can sufficiently prevent front downward incidence of direct sunlight, and a signal using it. <P>SOLUTION: The hood, which covers a front region of a light emission part of the signal or the like is so constructed that a hood body 11 has an opening 12 in the top and has in the opening 12 a plurality of light shield plates 15 parallel at a predetermined space in a longitudinal direction and at a predetermined angle to a vertical direction. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a hood that covers a front region of a light emitting unit such as a traffic light, and a traffic light using the hood, and more particularly, to a technique for preventing snow accumulation on the hood.

  A hood (claw) that covers a front region of a light emitting unit such as a vehicle traffic light or a pedestrian traffic light is known. This traffic signal hood is provided in order to ensure traffic safety by blocking direct sunlight incident from above and preventing the traffic light from appearing to be lit (simulated lighting).

  However, in areas where there is a lot of snowfall, there was the following problem due to the snow falling on the hood. That is, when a large amount of snow is piled on the hood, there is a possibility that the hood itself or the armrest of the traffic signal bends due to the weight of the snow. Moreover, the phenomenon that the snow piled up on the hood turned into a snow trap and covered the light emitting part occurred. Furthermore, when the snow on the hood naturally falls on the road, there was a risk that this snowfall would cause an accident.

  Conventionally, in order to eliminate the above-mentioned problems, it is necessary to remove snow on the hood, and there is a problem that this operation requires manpower and costs. In view of this, various proposals have been made as described below as measures against snow accumulation in the hood that eliminates the need for artificially removing snow on the hood.

  A technique has been proposed in which snow is easily slipped off by applying a paint having water repellency or hydrophilicity on the surface of the hood to prevent snow accumulation on the hood (see, for example, Patent Document 1). .

  In addition, a technique has been proposed in which snow is slipped down by forming the top of the hood at an acute angle to prevent snow accumulation on the hood (see, for example, Patent Document 2).

In addition, a technique has been proposed in which a heater is attached to a hood to melt snow falling and a snow shaker is attached to remove snow accumulated (see, for example, Patent Documents 3 and 4).
JP-A-10-255195 Japanese Utility Model Publication No. 58-122200 JP 57-114998 A JP 2000-207683 A

  However, the conventional traffic signal hood has the following problems.

  Regarding the technology for applying a paint having water repellency etc. to the surface of the hood described above, the effect of paint repellency etc. does not last for a long time, and it becomes a cause that dirt easily adheres to the hood except during snowfall time. There was a problem.

  Moreover, about the technique which forms the above-mentioned food | hood top part at an acute angle, such a food | hood was used for the signal apparatus with which several light emission parts are arrange | positioned at a narrow space | interval in the horizontal direction like a horizontal vehicle signal apparatus, for example. In some cases, the skirt interval between adjacent covers is narrowed, so that the snow sliding down the cover comes into contact, resulting in snow accumulation.

  In addition, regarding the technology for attaching a heater, a shaker, etc. to the hood described above, a mechanism such as a heater, a shaker, etc. was separately provided, and the management and maintenance thereof were necessary. Not reached.

  The present invention has been made in view of the above-described problems of the prior art, can effectively prevent snow accumulation with a simple configuration, and sufficiently prevents the incidence of direct sunlight from diagonally forward and upward. An object of the present invention is to provide a hood that can be used, and a traffic signal using the hood.

  In the present invention, means for solving the above-described problems are configured as follows. That is, a hood that covers a front region of a light emitting unit such as a traffic light, and an opening is provided in an upper portion of the hood main body, and a plurality of light shielding plates are provided in parallel to each other at predetermined intervals in the front-rear direction. And it is provided at a predetermined angle with respect to the vertical direction (an angle inclined obliquely forward with respect to the vertical direction or an angle along the vertical direction).

  In the hood of the present invention, the light shielding plates are provided so as not to overlap each other in a plan view. Here, it is desirable that the angle of each light shielding plate with respect to the vertical direction is not less than 0 degrees and not more than 45 degrees.

  When the hood having such a configuration is attached to the front side of each light emitting unit so as to cover the front area of each light emitting unit of a traffic signal such as a vehicle traffic signal, for example, in this attached state, the hood is directly irradiated from obliquely upward from the front. Sunlight can be sufficiently prevented from entering each light emitting portion. Here, since a plurality of light shielding plates are provided on the upper portion of the hood, it is possible to block the direct sunlight from obliquely upward on the front side even though the opening portion exists on the upper portion of the hood. Thereby, the pseudo lighting of each light emission part can be prevented, and traffic safety can be ensured.

  Moreover, since the opening part is provided in the food | hood main body upper part, the snow cover on a food | hood can be prevented. In other words, even if snow falls from above the hood, the snow does not pass through the opening and accumulate on the hood, and therefore, it is possible to prevent snow accumulation on the hood. Here, a plurality of light shielding plates are provided in the upper portion of the hood, but the light shielding plates are arranged at a predetermined angle with respect to the vertical direction and are arranged so as not to overlap each other in plan view, thereby preventing snow accumulation. The effect of is not impaired.

  As described above, snow can be effectively prevented from being deposited on the hood by a simple configuration in which the opening and the light shielding plate are provided in the upper portion of the hood. Thereby, it is not necessary to apply a paint having water repellency and the like, and therefore, it is possible to remove the cause of the dirt easily attaching to the hood other than the snowfall time. Further, in the traffic signal for vehicles, even if the light emitting portions are arranged at a narrow interval in the lateral direction, it does not reach snow. Further, it is not necessary to separately provide a mechanism such as a heater or a vibration exciter in the hood, and therefore, management and maintenance thereof are unnecessary.

  Furthermore, as mentioned above, snow on the hood can be effectively prevented, preventing damage to the vehicle traffic signal such as bending of the hood itself and the armature of the vehicle traffic signal caused by the increased weight of snow on the hood. can do. Then, the snow on the hood does not become a snowfall, and the occurrence of a phenomenon such as the snowfall covering and covering the light emitting portion can be prevented. In addition, it is possible to prevent accidents caused by snow on the hood falling on the road. Moreover, it is not necessary to artificially remove the snow on the hood, and the labor and cost are not required.

  The present invention is also a hood that covers a front region of a light emitting unit such as a traffic light, and is provided with an opening at the top of the hood body, and a plurality of light shielding plates are provided at predetermined intervals in the front-rear direction. Each of the light shielding plates is provided with a variable angle with respect to the vertical direction, and is moved between an open position for opening the upper portion of the hood and a closed position for closing the upper portion of the hood.

  When the hood having such a configuration is attached to the front side of each light emitting unit so as to cover the front area of each light emitting unit of a traffic signal such as a vehicle traffic signal, for example, in this attached state, according to the surrounding environment When the upper portion of the hood is blocked by the light shielding plate in the closed position, it is possible to sufficiently prevent the incidence of direct sunlight from diagonally forward and upward. On the contrary, when the light shielding plate is in the open position, the upper portion of the hood is opened, and snow on the hood can be effectively prevented, and the direct sunlight from the diagonally upper front can be prevented by each light shielding plate. Can do.

  In addition, the traffic light of the present invention includes the hood of the present invention configured as described above. That is, the present invention is not limited to a hood, but includes a traffic light to which the hood is applied. Here, the traffic light is a vehicle traffic light in which the blue, yellow, and red light emitting portions are arranged in the horizontal direction, a vehicle traffic light in which the blue, yellow, and red light emitting portions are arranged in the vertical direction, and for pedestrians. Any kind of traffic signal may be used such as a traffic signal, a railway traffic signal, or a warning signal.

  Since the hood of the present invention is configured as described above, when attached to the front side of each light emitting unit so as to cover the front area of each light emitting unit of a traffic signal such as a traffic signal for vehicles, in this attached state, Direct sunlight from obliquely above can be sufficiently prevented from entering each light emitting portion. In addition, snow on the hood can be effectively prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention. In addition, the following embodiment is an example which actualized this invention, Comprising: The thing of the character which limits the technical scope of this invention is not.

  FIG. 1 is a perspective view showing an embodiment of a hood to which the present invention is applied, FIG. 2 is a front view, FIG. 3 is a right side view, and FIG. 4 is a plan view. FIG. 5 is a perspective view showing the hood attached to the vehicle traffic signal.

  Below, as shown in FIG. 5, the example which applied the hood to the vehicle signal apparatus is demonstrated. The vehicle traffic signal 100 shown in FIG. 5 is a traffic signal in which the light emitting units 110 of blue, yellow, and red are arranged in the horizontal direction. However, the hood of the present invention is a vehicle traffic signal in which the light emitting parts of blue, yellow, and red are arranged in the vertical direction, and various traffic signals other than the vehicle traffic signal (for example, pedestrian traffic signal, railway traffic signal, notice It can be applied to traffic lights. As a light source of these traffic lights, an incandescent bulb or an LED unit mounted with a plurality of LED lamps can be used. Moreover, even if it is other than a signal apparatus, it can apply also to things like an information display board provided with a light emission part (display part), a road safety measure apparatus, etc.

  As shown in FIGS. 1 to 4, the hood 10 includes a hood main body 11 and a plurality of light shielding plates 15, 15. The hood 10 has a shape that covers the front area of each light emitting unit 110 of the vehicle traffic signal 100 (see FIG. 5). The hood 10 is provided to block the direct sunlight incident obliquely from above and prevent the phenomenon that each light emitting unit 110 appears to be lit (pseudo lighting), thereby ensuring traffic safety.

  The hood body 11 is made of a metal such as aluminum, for example. The shape of the hood main body 11 is not particularly limited as long as it is a shape that can sufficiently prevent the incidence of direct sunlight from diagonally forward and upward. However, the side of the hood main body 11 is desirably formed on a steeply inclined surface in order to make it easier for the snow that has fallen to slide down.

  A rectangular opening 12 is formed in the upper portion of the hood main body 11. Holding plates 13 and 13 are provided on the left and right sides of the opening 12, respectively. These holding plates 13 and 13 are formed integrally with the hood main body 11. In the opening 12 of the hood main body 11, a plurality of light shielding plates 15, 15... Are arranged in parallel with each other at a predetermined interval in the front-rear direction and at a predetermined angle with respect to the vertical direction. Yes. The light shielding plate 15 is provided to shield the direct sunlight that is incident obliquely from above and is made of, for example, a light shielding material such as an aluminum plate.

  The left and right ends of each light shielding plate 15 are connected to the left and right holding plates 13, 13. The size, arrangement position (interval), and angle with respect to the vertical direction of the light shielding plate 15 are such a size, arrangement position (interval), and angle that do not overlap each other in plan view. In addition, when mounted on the vehicle traffic signal 100, the size and arrangement position (interval) such that direct sunlight from at least an angle of 45 degrees or more from the horizon does not enter the light emitting units 110 of the vehicle traffic signal 100. ), And angle.

  Here, in order to prevent direct sunlight from an angle of 45 degrees or more from the horizontal line from being incident on each light emitting unit 110, as shown in FIG. 6, the lower end of each light emitting unit 110 of the vehicle traffic signal 100 is shown. The light shielding plate 15 may be arranged so that the direct sunlight reaching the sun can be blocked. For example, if the diameter φ of the light emitting unit 110 is about 300 mm and the length L of the hood main body 11 is about 340 mm, the angle θ in FIG. 6 is about 43.3 degrees, and at least from an angle of 45 degrees or more from the horizon. Can block direct sunlight.

  The angle of the light shielding plate 15 is preferably 0 degree or more and 45 degrees or less with respect to the vertical direction. In this example, the light shielding plate 15 is provided at an angle of 30 degrees with respect to the vertical direction. Further, the light shielding plates 15 are arranged so that the interval between the light shielding plates 15 and 15 adjacent to each other in the front and rear is gradually increased toward the front. The number of light shielding plates 15 is preferably as small as possible in order to reduce the weight of the hood 10. Further, the respective light shielding plates 15 may be arranged at equal intervals.

  As shown in FIG. 5, the hood 10 having the above-described configuration is attached to the front side of each light emitting unit 110 so as to cover the front region of each light emitting unit 110 of the vehicle traffic signal 100. In this attached state, the hood 10 can sufficiently prevent direct sunlight from obliquely upward from the front side from entering each light emitting unit 110. Here, as described above, since the plurality of light shielding plates 15, 15... Are provided on the upper portion of the hood 10. Specifically, it can block direct sunlight from an angle of at least 45 degrees from the horizon. Thereby, pseudo lighting of each light emission part 110 can be prevented, and traffic safety can be ensured.

  Moreover, since the opening part 12 is provided in the upper part of the food | hood 10, the snow cover on the food | hood 10 can be prevented. That is, even if snow falls from above the hood 10, the snow does not pass through the opening 12 and accumulate on the hood 10, and therefore, snow accumulation on the hood 10 can be prevented. Here, a plurality of light shielding plates 15, 15... Are provided on the upper portion of the hood 10. As described above, the light shielding plates 15, 15. It arrange | positions and it arrange | positions so that it may not mutually overlap by planar view, and it is trying not to impair the effect of snow accumulation prevention as much as possible. In addition, the snow which fell to the hood 10 side part (hood main body 11 side part) slides down along the inclination of the hood main body 11 side part.

  As described above, snow can be effectively prevented from being deposited on the hood 10 by a simple configuration in which the opening 12 and the light shielding plate 15 are provided on the hood 10. Thereby, it becomes unnecessary to apply a paint having water repellency and the like, and therefore, it is possible to remove the cause of the dirt being easily attached to the hood 10 other than the snowfall time. Further, in the vehicle traffic signal 100, even if the light emitting units 110 are arranged at a narrow interval in the lateral direction, snow does not reach. Further, it is not necessary to separately provide a mechanism such as a heater or a vibration exciter in the hood 10, and therefore, management and maintenance thereof are unnecessary.

  Further, as described above, since snow on the hood 10 can be effectively prevented, the hood 10 itself and the arm metal of the vehicle traffic signal 100 generated by the increase in the weight of snow on the hood 10 are bent. 100 breakage can be prevented. Then, the snow on the hood 10 does not become a snowfall, and the occurrence of a phenomenon such as the snowfall covering the light emitting unit 110 can be prevented. In addition, it is possible to prevent an accident caused by the snow on the hood 10 naturally falling on the road. Moreover, the work of manually dropping the snow on the hood 10 is not required, and the labor and cost are not required.

  Next, a modified example of the hood will be described.

  In the example described above, as shown in FIG. 5, one hood 10 is provided for each of the blue, yellow, and red light emitting units 110 of the vehicle traffic signal 100 (three in total). As shown, the entire blue, yellow, and red light emitting section 110 of the vehicle traffic signal 100 may be covered with a single hood 20. In this example, the left and right widths of the opening 22 and the light shielding plates 25, 25... Are formed larger than the case shown in FIG.

  Further, in the above-described example, as shown in FIG. 1 and the like, when the light shielding plate 15 fixed to the hood 10 is provided, a movable light shielding plate is provided on the hood so that the angle with respect to the vertical direction is variable. You may do it. During the snowfall period (for example, from November to March, etc.), the light shielding plate is moved to a position where the upper portion of the hood is opened, and conversely, at other times, the light shielding plate is disposed at a position where the upper portion of the hood is closed. Keep moving. In this case, the position of the light shielding plate is switched by operating a lever or the like before and after the snowfall period (for example, around October and around April).

  In addition, as described below, the moving means that operates according to the surrounding environment moves the light shielding plate between the open position for opening the upper portion of the hood and the closed position for closing the upper portion of the hood, thereby moving the upper portion of the hood. You may make it open and close.

  FIG. 8 is a side view schematically showing the upper part of the hood 30 provided with movable light-shielding plates 35, 35... The figure which shows the open state, (b) is a figure which shows the state which each light-shielding plate 35 exists in the obstruction | occlusion position, and the food | hood 30 upper part was obstruct | occluded.

  In this example, as shown in FIG. 8, each light-shielding plate 35 is not directly fixed to the left and right holding plates (not shown) forming the opening of the hood body 31, but via the rotation shaft 35a. It is connected to the left and right holding plates. Each light shielding plate 35 is provided so as to be rotatable about a rotation shaft 35a with respect to the hood body 31, and has an open position shown in FIG. 8A and a closed position shown in FIG. 8B. Rotate between. In this open position, each light shielding plate 35 is disposed to be inclined at a predetermined angle (30 degrees in FIG. 8A) with respect to the vertical direction.

  The rotating shaft 35a of each light shielding plate 35 is connected to a rod-like connecting member 36 through a lever 35b. The connecting member 36 is connected to an actuator 37 (for example, a motor, an air cylinder, a hydraulic cylinder, etc.) at a rear end portion thereof, and is sequentially connected to a lever 35b of each light shielding plate 35 at an intermediate portion thereof, and at its front end portion, It is connected to an elastic member 38 such as a spring. In this example, the actuator 37 corresponds to a moving means that operates according to the surrounding environment. The actuator 37 may be connected to the front end portion of the connecting member 36 and the elastic member 38 may be connected to the rear end portion. Further, the upper end portions of the light shielding plates 35 may be directly connected by the connecting member 36 without providing the lever 35b.

  Further, the hood 30 is provided with an environment sensor (not shown) that detects the surrounding environment (for example, a weather sensor, a temperature sensor, etc.) and a control unit (not shown) that determines whether or not the surrounding environment is snowing. It has been. In this case, the control unit determines whether or not it is snowing time based on the surrounding environment detected by the environment sensor. Specifically, when snow is detected by a weather sensor, or when a temperature equal to or lower than a predetermined temperature is detected by a temperature sensor, it is determined that it is snowing time. Conversely, if no snow is detected by the weather sensor, or if a temperature equal to or lower than a predetermined temperature is not detected by the temperature sensor, it is determined that it is a normal time other than the snow time.

  At a normal time other than the snowfall time, the actuator 37 is driven and the connecting member 36 is pulled backward against the urging force of the elastic member 38. Thereby, as shown in FIG.8 (b), each light shielding plate 35 of the hood 30 rotates to the obstruction | occlusion position. In this way, the upper portion of the hood 30 is blocked by the light shielding plate 35 in the closed position, so that it is possible to sufficiently prevent the incidence of direct sunlight from obliquely upward and forward.

  On the other hand, during the snowfall time, the actuator 37 stops and the connecting member 36 is pulled forward by the urging force of the elastic member 38. Thereby, as shown to Fig.8 (a), each light-shielding plate 35 of the hood 30 rotates to an open position. Thus, since the light shielding plate 35 is in the open position, the upper portion of the hood 30 is opened, and snow on the hood 30 can be effectively prevented. In addition, the light shielding plates 35 can prevent the incidence of direct sunlight from diagonally forward and upward.

  FIG. 9 is a side view schematically showing the upper part of the hood 40 provided with movable light-shielding plates 45, 45... (A) is a state where each light-shielding plate 45 is in an open position, and the upper part of the hood 40 is The figure which shows the open state, (b) is a figure which shows the state in which each light-shielding plate 45 exists in the obstruction | occlusion position, and the food | hood 40 upper part was obstruct | occluded.

  In this example, as shown in FIG. 9, each light shielding plate 45 is not directly fixed to the left and right holding plates (not shown) that form the opening of the hood main body 41, but via a rotating shaft 45a. It is connected to the left and right holding plates. Each light shielding plate 45 is provided so as to be rotatable about a rotation shaft 45a with respect to the hood main body 41, and has an open position shown in FIG. 9 (a) and a closed position shown in FIG. 9 (b). Rotate between. In this open position, each light shielding plate 45 is arranged to be inclined at a predetermined angle (30 degrees in FIG. 9A) with respect to the vertical direction.

  The rotating shaft 45a of each light shielding plate 45 is connected to a rod-like connecting member 46 through a lever 45b. The connecting member 46 is connected to the rear spring 47 at the rear end portion thereof, is sequentially connected to the lever 45b of each light shielding plate 45 at the intermediate portion thereof, and is connected to the front spring 48 at the front end portion thereof. Note that the upper end portions of the light shielding plates 45 may be directly connected by the connecting member 46 without providing the lever 45b.

  The front spring 48 and the rear spring 47 have different temperature characteristics. The front spring 48 is a spring having a predetermined urging force regardless of the surrounding environment (air temperature). In contrast, the rear spring 47 is a shape memory spring that is in a contracted state at a temperature higher than a predetermined temperature (for example, 5 degrees Celsius) and is in a relaxed state at a temperature lower than the predetermined temperature. In this example, the rear spring 47 corresponds to a moving means that operates according to the surrounding environment.

  When the temperature exceeds the predetermined temperature, the rear spring 47 contracts and the connecting member 46 is pulled backward against the urging force of the front spring 48. Thereby, as shown in FIG.9 (b), each light-shielding plate 45 of the hood 40 rotates to the obstruction | occlusion position. In this way, the upper portion of the hood 40 is closed by the light shielding plate 45 at the closed position, and it is possible to sufficiently prevent the incidence of direct sunlight from diagonally forward and upward.

  When the temperature is below a predetermined temperature, the rear spring 47 is relaxed and the connecting member 46 is pulled forward by the urging force of the front spring 48. Thereby, as shown to Fig.9 (a), each light-shielding plate 45 of the hood 40 rotates to an open position. Thus, since the light shielding plate 45 is in the open position, the upper portion of the hood 40 is opened, and snow on the hood 40 can be effectively prevented during the snowfall time. In addition, the light shielding plates 45 can prevent the incidence of direct sunlight from diagonally forward and upward. The front spring 48 may be a shape memory spring, and the rear spring 47 may be a normal spring. In this case, the front spring 48 is a shape memory spring that is in a relaxed state at a temperature higher than a predetermined temperature and is in a contracted state at a temperature lower than the predetermined temperature.

  FIG. 10 is a side view schematically showing the upper part of the hood 50 provided with the movable light-shielding plates 55, 55... The figure which shows the open state, (b) is a figure which shows the state in which each light-shielding plate 55 exists in the obstruction | occlusion position, and the food | hood 50 upper part was obstruct | occluded.

  In this example, as shown in FIG. 10, each light shielding plate 55 is not directly fixed to the left and right holding plates (not shown) forming the opening of the hood main body 51, and the base portion 56 is interposed via the bimetal 57. It is connected to. Each base 56 is connected to the left and right holding plates. Each light shielding plate 55 is provided so as to be rotatable around a rotation fulcrum 55a with respect to the hood body 51, and has an open position shown in FIG. 10 (a) and a closed position shown in FIG. 10 (b). Rotate between. In this open position, each light shielding plate 55 is arranged to be inclined at a predetermined angle (30 degrees in FIG. 10A) with respect to the vertical direction. A stopper 58 is provided to regulate the inclination angle of each light shielding plate 55.

  The bimetal 57 is attached so as to straddle the rear surface of each light shielding plate 55 and the rear surface of the base portion 56. The bimetal 57 is bent at a temperature higher than a predetermined temperature (for example, 5 degrees Celsius), and rotates the light shielding plate 55 so as to be bent backward with respect to the base 56 around the rotation fulcrum 55a. In contrast, at a temperature equal to or lower than the predetermined temperature, the light-shielding plate 55 is returned to the above-described bent state, and is rotated so that the light shielding plate 55 is pushed forward with respect to the base 56 around the rotation fulcrum 55a. In this example, the rear spring 47 corresponds to a moving means that operates according to the surrounding environment. The bimetal 57 may be attached to the front surface of each light shielding plate 55 or may be attached to both surfaces.

  When the air temperature exceeds the predetermined temperature, the bimetal 57 is bent, and as a result, each light shielding plate 55 of the hood 50 is rotated to the closed position as shown in FIG. In this way, the upper portion of the hood 50 is closed by the light shielding plate 55 in the closed position, and it is possible to sufficiently prevent the incidence of direct sunlight from diagonally forward and upward.

  When the air temperature is equal to or lower than the predetermined temperature, the bimetal 57 returns, and as a result, as shown in FIG. 10A, each light shielding plate 55 of the hood 50 rotates to the open position. Thus, since the light shielding plate 55 is in the open position, the upper portion of the hood 50 is opened, and snow on the hood 50 can be effectively prevented during the snowfall period. Moreover, it is possible to prevent the incidence of direct sunlight from diagonally forward and upward by the respective light shielding plates 55.

It is a perspective view which shows one Embodiment of the food | hood to which this invention is applied. It is also a front view. Similarly, it is a right side view. It is also a plan view. It is a perspective view which shows the hood of the state attached to the traffic signal for vehicles. It is a side view which shows a mode that the direct sunlight from front diagonally upper direction is shielded by the light-shielding plate. It is a perspective view which shows the modification of a hood. It is a side view which shows typically an example of the food | hood provided with the movable light-shielding plate. It is a side view which shows typically the other example of the food | hood provided with the movable light-shielding plate. It is a side view which shows typically the other example of the food | hood provided with the movable light-shielding plate.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Hood 11 Hood main body 12 Opening part 15 Light-shielding plate 100 Vehicle traffic signal 110 Light emission part

Claims (5)

A hood that covers a front area of a light emitting unit such as a traffic light,
An opening is provided at the top of the hood body,
A hood characterized in that a plurality of light shielding plates are provided in the opening in parallel in the front-rear direction at a predetermined interval and at a predetermined angle with respect to the vertical direction.   The hood according to claim 1, wherein the light shielding plates are provided so as not to overlap each other in a plan view.   The hood according to claim 1 or 2, wherein an angle of each light shielding plate with respect to a vertical direction is not less than 0 degrees and not more than 45 degrees. A hood that covers a front area of a light emitting unit such as a traffic light,
An opening is provided at the top of the hood body,
In the opening, a plurality of light shielding plates are provided at predetermined intervals in the front-rear direction,
Each of the light shielding plates is provided with a variable angle with respect to the vertical direction, and is moved between an open position for opening the upper portion of the hood and a closed position for closing the upper portion of the hood. A traffic light using the hood according to any one of claims 1 to 4.

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