JP6864998B2 - Waterproof housing device - Google Patents

Description

The present invention relates to a waterproof housing device attached to a pillar such as a pole or a utility pole that holds a traffic signal light or the like.

Patent Document 1 discloses a signal controller attached to a support of a signal light at an intersection or the like. This signal controller has a built-in control unit that controls vehicle signal lamps and pedestrian signal lamps placed at intersections, and controls the lighting of each signal lamp connected based on the lighting control program stored in this control unit. Is going.

As shown in FIG. 2 of Patent Document 1, the signal controller has a door portion attached to a housing provided with an opening for maintenance or the like via a hinge, and normally the door portion is closed and sealed. It has become. During maintenance work, workers open the door to repair and inspect the equipment inside the housing.

Reference 2 includes an elevating mechanism for raising and lowering the housing of the traffic signal controller in order to prevent flooding of the traffic signal controller having a front opening / closing lid door structure due to flood damage such as heavy rain or flood. A traffic signal controller to be provided is disclosed.

A waterproof packing such as synthetic rubber is attached to the peripheral edge of the opening of the inner edge of the door of the signal controller of Patent Documents 1 and 2 as a waterproof measure, and rainwater or the like is introduced into the housing from the outside. Prevents intrusion.

Japanese Unexamined Patent Publication No. 2015-141658 Japanese Unexamined Patent Publication No. 2014-228994

However, the above-mentioned waterproof packing deteriorates and hardens with long-term use. When the water resistance is lost due to cracks or the like due to this deterioration, the sealed state of the housing and the door cannot be maintained, and rainwater or the like infiltrates into the housing. When water comes into contact with the electronic device inside the housing, damage due to a short circuit or the like occurs, and there arises a problem that the signal lamp cannot be controlled.

In addition, even if the waterproof packing is not deteriorated, the signal controller has a drip-proof structure so that it will not cause problems with water droplets such as rainwater, but it is not supposed to be submerged in water. There are many.

Further, in the case of the signal controller of Patent Document 2, it is necessary to operate the elevating mechanism, which is troublesome and, depending on the water level, even if the signal controller is in a raised state, a part of the signal controller or Sometimes everything is submerged.

When a disaster such as a flood or tsunami occurs and part or all of the signal controller itself is submerged, the air inside the signal controller must be completely sealed between the housing and the door. It will come out from above.

As the air escapes from the signal controller, water infiltrates into the housing through the holes on the bottom of the housing for drawing in various wiring such as power lines and signal lines and the gap between the housing and the door, and finally. The electronic device inside the housing is submerged in water and becomes unusable.

When the signal controller fails in this way, the submerged electronic device or the signal controller itself must be replaced with a new one. Therefore, there arises a problem that the signal lamp does not light up until the replacement work is completed at the time of recovery from the disaster. Similar problems also occur in electrical devices and the like attached to columns.

An object of the present invention is to solve the above-mentioned problems and to provide a waterproof housing device in which water does not easily enter from the outside.

The waterproof housing device according to the present invention for achieving the above object is a plate-shaped side plate portion attached to the side of a pillar body holding a traffic signal light or a utility pole , and horizontal from the lower end of the side plate portion. A base portion having a box-shaped base main body extending in the direction, a main body equipment portion to be placed on the base main body portion, and a tubular and open lower portion, and a sealed structure other than the lower portion. It is a waterproof housing device including a covered body portion, and has an L-shape when the side plate portion and the base main body portion are viewed from the side . The lower end of the covered body portion is the base main body. By covering the entire main body equipment portion from above until it comes into contact with the upper surface of the portion, it is characterized in that the inside of the covering portion is maintained in a state of being filled with air even when it is submerged in water.

According to the waterproof housing device according to the present invention, by covering the entire main body from above with a cover that opens only below, rainwater does not infiltrate, and even if it is submerged, air leakage occurs. It does not occur. Therefore, storage devices such as signal controllers do not get flooded inside and there is no risk of failure. Therefore, after a disaster such as a flood or tsunami, the signal lights for vehicles and pedestrians attached to the columns are submerged. Instead, the normal functioning state is maintained, and the signal controller can start lighting control of the vehicle signal lamp and the pedestrian signal lamp immediately after the disaster.

It is an exploded perspective view of the waterproof housing apparatus of Example 1. FIG. It is a perspective view of the state which the main body equipment part is placed on the base main body part. It is a side view of the state which the main body equipment part is placed on the base main body part. It is a perspective view of the state at the time of normal operation. It is a perspective view of the state in which the cover body part is lifted halfway and locked. It is a perspective view of the state in which the cover body part is further lifted and locked. It is an exploded perspective view of the waterproof housing apparatus of Example 2. FIG. It is an enlarged explanatory view of the stopper at the time of storage. It is an enlarged explanatory view of the stopper at the time of protrusion.

The present invention will be described in detail with reference to the illustrated examples.

FIG. 1 is an exploded perspective view of the waterproof housing device of the first embodiment, FIG. 2 is an exploded perspective view of a state in which the main body device portion is mounted on the base main body portion, and FIG. 3 is an exploded perspective view of the state of FIG. It is a side view when viewed from the side.

The waterproof housing device includes a base portion 1 that can be attached to a pillar P such as a pillar or a utility pole that holds a traffic signal light, a main body equipment portion 2 that is mounted in the base portion 1, and the main body equipment portion. It is composed of a covering portion 3 that covers the entire 2 from above.

The lower end of the base portion 1 is arranged at a position of about 1 m from the ground of the support column P, and the base is formed by a pair of ring-shaped mounting brackets T1 and a pair of ring-shaped mounting brackets T2 provided above the mounting bracket T1. The base 1 is attached to the support column P.

The base portion 1 includes a plate-shaped side plate portion 1a to which the mounting brackets T1 and T2 are attached, a box-shaped base main body portion 1b extending horizontally from the lower end of the side plate portion 1a, and a base main body portion 1b. It is composed of a gap frame portion 1d connected to the upper surface 1c of the above.

Two parallel rail portions 1f are provided on the surface 1e of the side plate portion 1a on the base main body portion 1b side in the vertical direction from the upper end to the upper surface 1c of the base main body portion 1b. The cross section of the rail portion 1f has a dovetail shape, and is slidably fitted with the rail guide portion of the covering body portion 3 described later.

By forming the cross section of the rail portion 1f and the cross section of the rail guide portion of the covering portion 3 into a dovetail shape, the covering portion 3 does not come off from the side plate portion 1a. In this embodiment, the rail portion 1f and the rail guide portion are described by two, but may be one or three or more.

Further, an upper stopper 1h and a lower stopper 1i for holding the covering portion 3 at a predetermined position are provided above the surface 1e at a predetermined interval in the vicinity of one long side portion 1g of the surface 1e. Has been done.

These stoppers 1h and 1i can be manually projected when necessary. Alternatively, if the covering portion 3 is out of the positions of the stoppers 1h and 1i, it may be automatically projected by using a spring or the like. By arranging these stoppers 1h and 1i, the cover body portion 3 can be safely lowered without injuring a finger or the like.

The width of the base body 1b continuous with the side plate 1a with respect to the support column P direction is the same as the width of the side plate 1a with respect to the support P direction, and the side plate 1a and the base body 1b are L-shaped when viewed from the side. It has a shape.

A rectangular window 1j is provided at a position continuous with the gap frame portion 1d on the upper surface 1c of the base main body 1b as shown by the dotted line in FIG. It communicates through a rectangular window 1j. Then, various wirings pass through the base main body portion 1b, the rectangular window 1j, and the gap frame portion 1d, and are connected to the connection terminals of the main body equipment portion 2 having the wiring port at the bottom.

The gap frame portion 1d has a square tubular shape having a gap inside, is smaller than the base main body portion 1b, and has a stepped shape with respect to the base main body portion 1b. Further, the base main body portion 1b and the gap frame portion 1d are continuous with respect to the support column P in a state where the gap frame portion 1d is not arranged on the upper surface 1c below the stoppers 1h and 1i. The reason for arranging the gap frame portion 1d closer to the upper surface 1c in this way is that the stoppers 1h and 1i can be projected and stored while the main body equipment portion 2 is placed in the base portion 1. Is.

Since the gap frame portion 1d is premised on being flooded, no electronic device or the like is arranged inside. The size of the opening 1l of the gap frame portion 1d is slightly larger than the size of the bottom surface portion of the main body equipment portion 2, and the side surface 1k of the gap frame portion 1d on the side plate portion 1a side and the base main body portion 1b side. As shown in the side view of FIG. 3, the surface 1e of the covering portion 3 is separated from the surface 1e to a degree slightly larger than the plate thickness of the covering portion 3.

Above the inner wall surface of the gap frame portion 1d, a flange portion 1 m that orbits the inner wall surface is erected along the horizontal direction, and the flange portion 1 m is the base main body portion 1b and the main body as shown in FIG. A hole is formed to enable wiring of the device unit 2.

A bolt hole may be provided around the flange portion 1 m or the opening 1 l to fix the main body equipment portion 2 inserted into the opening 1 l and placed on the flange portion 1 m.

The main body device unit 2 is, for example, a storage body that houses a built-in device built in the signal controller disclosed in the background technology. In addition to the signal controller, a communication device including a wireless or wired communication device that can be attached to the support column P, a traffic terminal control device that controls a traffic terminal such as a traffic information board or a vehicle detector, or an UPS (uninterruptible power supply). It is possible to store the built-in equipment of each device of the electrical device having an electric circuit such as a power supply device including the device) and a charging device. Further, a combination of built-in devices of each device of the electrical device can be stored in the main body device unit 2.

The main body device unit 2 that houses the built-in device built in the signal controller contains an electronic device such as a communication unit (not shown), a wiring connection part, and a board on which a ROM in which a signal control program is written is mounted. Further, above the front surface of the main body equipment unit 2, there is an operation panel unit 2a including a display unit and an operation unit that displays a lighting step on a signal lamp, a display of the number of lighting seconds of the lighting step, a message during maintenance work, and the like. Each is arranged.

By opening the operation door 2b provided below the front surface of the main body equipment 2 toward the front, it is possible to check and adjust the internal electronic devices, and further, on the surface of the operation door 2b made of an iron plate or the like, The operation button 2c is attracted by a magnet. The operation button 2c is connected to an electronic device inside the operation door 2b by an extension cable 2d so that the signal lamp can be manually operated.

When the operator operates the operation button 2c, the operation door 2b is opened, the operation is switched to manual operation by the internal automatic / manual changeover switch, and then the operation button 2c pulled out via the extension cable 2d is manually operated. ..

Each time the operation button 2c is operated, it is possible to advance the lighting step of the signal lamp at the intersection. For example, by pressing the operation button 2c once, for example, it is possible to perform lighting control in which the lighting of the blue lamp of the automobile lamp is switched to the lighting of the yellow lamp.

The square tubular cover 3 is made of a metal material or a synthetic resin material, and has a sealed structure except for the open lower part. The lateral width of the side surface 3a of the covering portion 3 facing the support column P and the lateral width of the front surface 3b orthogonal to the side surface 3a substantially coincide with the lengths of the short side and the long side of the upper surface 1c of the base main body portion 1b.

On the side surface 3a of the covering body portion 3, two dovetail-shaped rail guides 3c that fit into the rail portion 1f of the dovetail-shaped side plate portion 1a are provided along the vertical direction. It should be noted that there is no problem even if the rail portion 1f is provided on the covering portion 3 and the rail guide 3c is provided on the side plate portion 1a. Further, a grip portion 3d is provided in the lower center of the front surface 3b, and the grip portion 3d can lift the cover portion 3 upward.

On the back surface of the top surface 3e of the covering body portion 3, a peripheral wall portion 3f covering the upper end of the main body equipment portion 2 is erected, and the size of the inner wall of the peripheral wall portion 3f circulates around the upper end of the main body equipment portion 2. It is almost the same size as the one to be used.

Further, although the covering portion 3 is described as a square cylinder in the first embodiment, an appropriate tubular shape such as a polygonal cylinder or an elliptical cylinder may be adopted. When an appropriate tubular body of the covering body portion 3 is adopted, the shape of the base main body portion 1b is also changed according to the opening shape of the covering body portion 3. Further, the side surface 3a of the covering body portion 3 facing the support column P needs to be on a flat surface in order to provide a rail guide 3c that fits in the rail portion 1f and to have a structure that can be locked to the stoppers 1h and 1i. ..

Further, it is preferable that the covering portion 3 can be locked to the base portion 1 so that the covering portion 3 cannot be lifted upward unless it is unlocked.

When assembling the waterproof housing device, first, from the state shown in FIG. 1, the bottom portion of the main body equipment portion 2 is inserted through the opening 1l of the gap frame portion 1d and placed on the flange portion 1m as shown in FIG. To do. When the main body equipment portion 2 is placed on the flange portion 1 m, the bottom portion of the main body equipment portion 2 is fixed by the peripheral wall of the opening 1l, and the main body equipment portion 2 does not fall down with respect to the base portion 1. At this time, if the main body equipment portion 2 is bolted to the gap frame portion 1d with the bolt holes described above, the main body equipment portion 2 is more firmly fixed to the base portion 1.

Subsequently, as shown by the arrow in FIG. 3, the rail guide 3c of the covering portion 3 is fitted to the upper end of the rail portion 1f of the side plate portion 1a, and the lower end of the covering portion 3 is the upper surface 1c of the base main body portion 1b. By sliding it downward until it comes into contact with, the state during normal operation shown in FIG. 4 is obtained. At the same time, the peripheral wall portion 3f of the covering portion 3 is fitted with the upper end of the main body equipment portion 2 to prevent the main body equipment portion 2 from swinging in the covering portion 3.

In FIG. 5, in order to manually control the signal lamp as described above, after unlocking, the covering portion 3 is lifted to an intermediate position by the grip portion 3d to show the operation door 2b and the operation button 2c of the main body equipment portion 2. It is a perspective view of the state. In this state, the lower edge of the covering portion 3 is locked by the protruding lower stopper 1i, and the covering portion 3 is held at this position.

As described above, the operator operates the signal lamp with the operation button 2c after switching to the manual operation with the automatic / manual changeover switch. After the manual operation is completed, the lower stopper 1i is pushed into the side plate portion 1a to be stored, and then the covering portion 3 is pulled down from above by holding the grip portion 3d to move the covering portion 3 to the original position shown in FIG. Can be returned to. After returning the covering portion 3 to the original position, it is locked and the work is completed.

Further, when maintaining and inspecting the electronic device or the like of the main body device unit 2, hold the grip portion 3d of the cover body portion 3 as shown in FIG. 6 and move the cover body portion 3 to the locking position of the upper stopper 1h. It is lifted and the lower edge of the covering portion 3 is locked by the upper stopper 1h. As a result, it is possible to adjust and inspect the electronic devices in the main body device unit 2 while operating the operation panel unit 2a.

Then, after the upper stopper 1h is stored, the covering portion 3 can be returned to the original position shown in FIG. 4 by holding the grip portion 3d and pulling the covering portion 3 downward from above.

In this way, the cover body portion 3 can be moved up and down without swinging with respect to the base portion 1 by the rail portion 1f and the rail guide 3c, and the necessary parts of the main body equipment portion 2 can be exposed. Further, in a state where the main body equipment portion 2 is covered with the covering portion 3, there is no possibility that rainwater or the like will infiltrate at least from above the covering portion 3.

If the housing device is submerged due to a disaster such as a flood, the air inside the cover 3 does not escape because the cover 3 has a sufficiently sealed structure. Even when the housing device is submerged, the cover 3 is filled with air, so that the amount of water that enters from the contact portion between the base 1 and the cover 3 and the base body 1b. Is few.

Vehicle signal lamps and pedestrian signal lamps have the same waterproof structure as conventional signal controllers, and when submerged, electronic devices become inundated and become unusable, requiring replacement with new ones. After a disaster such as a flood or tsunami, the lighting of the vehicle signal lamp and the pedestrian signal lamp can be started immediately when the vehicle signal lamp and the pedestrian signal lamp are not submerged.

When the housing device is submerged due to a disaster such as a flood, the water depth becomes deeper, and the water pressure rises, and when the water pressure reaches the installation position of the vehicle signal lamp or pedestrian signal lamp, the water pressure causes the base. The height of the gap frame portion 1d is made larger than the height at which water enters the gap frame portion 1d through the contact portion between the base body portion 1b and the covering portion 3 and the rectangular window 1j of the base main body portion 1b. Therefore, the electronic device in the main body device unit 2 is not submerged in water. Therefore, the failure of the main body equipment unit 2 can be prevented, and the lighting control of the vehicle signal lamp and the pedestrian signal lamp can be started immediately after the disaster.

Further, in order to allow the cover 3 to easily slide up and down after unlocking, an urging member such as a coil spring or a hydraulic cylinder is provided on the back surface of the top surface 3e of the cover 3. You may. Further, by providing the urging means or the like, when the locking means of the covering portion 3 is unlocked, the covering portion 3 gradually moves upward, and the safety is ensured. Further, when the covering portion 3 is returned, the urging means or the like acts as a cushion and can be gradually lowered to return to the locked position.

FIG. 7 is an exploded perspective view of the waterproof housing device of the second embodiment, FIG. 8 is an enlarged perspective view of the upper stopper 1h'in a stored state, and FIG. 9 is an enlarged perspective view of the upper stopper 1h' in a state where the rotating rod portion is projected. It is an enlarged perspective view. The upper stopper 1h'and the lower stopper 1i'have the same structure, and the same members as those in the first embodiment have the same reference numerals.

The housing device of the second embodiment removes the upper stopper 1h and the lower stopper 1i that are pushed and stored in the side plate portion 1a of the first embodiment, and instead has the upper stopper 1h'and the lower stopper 1h'on the long side portion 1g of the side plate portion 1a. 1i'is provided.

The stoppers 1h'and 1i' include a recess 1n provided in the long side portion 1g, a rotary rod portion 1p rotatably supported by a shaft portion 1o at one end in the recess 1n, and the rotary rod portion 1p. It is composed of a rod receiving portion 1q that locks the rotating rod portion 1p when the rotating rod portion 1p is rotated and projected. The rod receiving portion 1q can be pushed in with a finger, and a spring or the like may be built in to automatically project the rod receiving portion 1q.

Further, by providing the stoppers 1h'and 1i'on the long side portion 1g, it is not necessary to arrange the gap frame portion 1d on the upper surface 1c below the stoppers 1h and 1i as in the first embodiment. Even when the side plate portions 1a of the stoppers 1h'and 1i' project toward the surface 1e side, the main body equipment portion 2 placed in the base portion 1 interferes with the operation of the stoppers 1h' and 1i'. Because there isn't. Therefore, the width of the base portion 1'and the cover portion 3'with respect to the support column P of the second embodiment can be narrower than the width of the base portion 1 and the cover portion 3 of the first embodiment. Is.

In the state in which the rotating rod portion 1p during normal operation shown in FIG. 8 is housed, the rotating rod portion 1p is in a state along the longitudinal direction of the side plate portion 1a due to its own weight. Then, when maintaining and inspecting the electronic device or the like of the main body device unit 2, hold the grip portion 3d with one hand of the cover body portion 3'and place the cover body portion 3'at the locking position of the upper stopper 1h'. After lifting up to, the rotating rod portion 1p is rotated in the direction of the arrow shown in FIG. 8 so that the rotating rod portion 1p protrudes toward the surface 1e side of the side plate portion 1a as shown in FIG. ..

The rotated rotating rod portion 1p is maintained in a horizontally protruding state by the abutting rod receiving portion 1q, and the lower left edge of the front surface 3b of the covering portion 3'is in contact with the covering portion. 3'is held in this position.

Then, after the maintenance and inspection work is completed, the rotating rod portion 1p is rotated upward by the other hand to return to the original stored state, or the rod receiving portion 1q is pushed in to lower the rotating rod portion 1p. It is rotated to return to the original stored state. To return to the original normal operation state by holding the grip portion 3d with one hand and pulling down the cover portion 3'from above to the bottom and returning the cover portion 3'to the position where the base body portion 1b is in contact. Become.

As described above, in the waterproof housing devices of the first and second embodiments, even when the waterproof housing device is submerged, the electronic device in the main body device unit 2 is not submerged in water, and failure is prevented. be able to.

Further, since the cover portion 3 is held by the rail portion 1f and the rail guide 3c with respect to the base portion 1, even if an impact is applied to the cover portion 3, the cover portion 3 may come off from the base portion 1 or be covered. Only the body 3 does not tilt.

Then, when water is drawn from the submerged state of the waterproof housing device and power transmission is restored, it is possible to operate the signal lamp for vehicles and the signal lamp for pedestrians as usual. Similarly, even when a built-in device of an electrical device having an electric circuit such as a communication device, a traffic terminal control device, a power supply device, and a charging device is adopted as the main body device unit 2, it is possible to recover quickly.

Further, when the built-in device of the uninterruptible power supply device is housed as the main body device unit 2, the operation of each device can be continued even if the power supply is temporarily cut off due to a disaster or the like.

Further, when the built-in device of the power supply device is housed as the main body device unit 2, when the water is drawn and the power transmission is restored, for example, by connecting to a lighting device, it is possible to secure the lighting at the time of a disaster. The waterproof housing device can be used as an emergency power source even in places where the surrounding area cannot be secured due to damage caused by submersion.

Further, when the built-in device of the charging device is housed as the main body device unit 2, it can be operated as an emergency power source for activating each device or each device for a predetermined time even in a situation where power transmission is not restored. ..

1, 1'Base part 1a Side plate part 1b Base body part 1d Void frame part 1f Rail part 1h, 1h'Upper stopper 1i, 1i' Lower stopper 1k Side surface 1l Opening 1m Flange part 2 Main body equipment part 3, 3' Cover 3c Rail guide 3d Grip P Strut T1, T2 Mounting bracket

Claims (7)

A base portion having a plate-shaped side plate portion attached to the side of a pillar body or a utility pole that holds a traffic signal light , and a box-shaped base base main body portion extending horizontally from the lower end of the side plate portion. A waterproof housing device including a main body equipment part to be placed on the base main body part and a covering part having a tubular shape and an open lower part and a sealed structure except for the lower part.
The side plate portion and the base body portion are L-shaped when viewed from the side surface.
The covering portion covers the entire main body equipment portion from above until the lower end touches the upper surface of the base main body portion, so that the covering portion is maintained in a state of being filled with air even when submerged. waterproof housing and wherein the. A square tubular gap frame portion having a gap is provided between the base main body portion and the main body equipment portion, and the gap frame portion is connected to the upper surface of the base main body portion. The waterproof housing device according to claim 1. Claim 1 is characterized in that a rail portion or a rail guide portion is provided on the side plate portion, and a rail guide portion or a rail portion that is slidably fitted with the rail portion or the rail guide portion is provided on the covering body portion. Or the waterproof housing device according to 2. The waterproof housing device according to any one of claims 1 to 3 , wherein a stopper portion for locking the covering portion is provided on the side plate portion. The waterproof housing device according to any one of claims 1 to 4 , wherein the main body device unit is a built-in device of a signal controller that controls a signal lamp. The waterproof housing device according to any one of claims 1 to 4 , wherein the main body device unit is a built-in device of an electrical device having an electric circuit. The item according to any one of claims 1 to 4 , wherein the main body equipment unit includes at least one of a built-in device of a communication device, a traffic terminal control device, a charging device, and a power supply device. Waterproof housing device.

Images