JP6441575B2 - Signal controller - Google Patents

Description

  The present invention relates to a signal controller for controlling a traffic signal and a housing used therefor.

  A traffic signal installed at an intersection of a road is equipped with a signal controller for controlling lighting of a signal lamp. This signal controller casing is usually installed with the door provided in the casing body sealed to prevent rain and dust from entering from the outside and protect the internal equipment. ing.

  Incidentally, commercial power is usually supplied to the traffic light. When a power failure occurs due to a disaster such as an earthquake, the traffic light may be extinguished and traffic may be disrupted. In order to avoid such a situation, for example, a technique has been proposed in which the connection between the commercial power supply and the control device is interrupted at the time of a power failure, and the traffic signal is operated by connecting the vehicle battery to the control device (for example, Patent Document 1). (See paragraph [0017] of the specification).

JP 2012-238140 A

  For example, the signal device may be provided with a power supply box that is a switching portion between the signal device and the distribution line of the commercial power supply, and the power supply box may incorporate an external power connection terminal. In this case, in the event of a power failure, the operator can open the power supply box and connect an external power supply cable to the external power supply connection terminal to supply power, but the power supply box is installed higher than the signal controller. Therefore, there is a problem that workability of external power feeding is bad.

  Therefore, for example, in order to improve the workability of external power feeding, it can be considered that this external power connection terminal is built in the signal controller instead of the power box. In this case, the operator can perform power supply by opening the door of the casing of the signal controller and connecting an external power cable or the like to the external power connection terminal in the casing. However, while power is being supplied, the cable of the external power supply passes between the main body of the housing and the open door, and the door cannot be closed.For example, the equipment inside the housing is exposed to wind and rain or outside air. The problem that it ends up occurs.

  In view of the circumstances as described above, an object of the present invention is to provide a signal controller and a casing thereof in which a device inside the casing is not exposed to the outside even when a cable or the like is connected to the signal controller. It is in.

In order to achieve the above object, a signal controller according to an embodiment of the present invention includes a control unit, a main body of a housing, a door, and a cover member.
The control unit controls traffic lights.
The main body includes an opening and a notch formed at an opening end of the opening. The main body houses the control unit.
The door is connected to the main body and can open and close the opening.
The cover member is provided on the main body and can open and close the notch.

  Even when a cable or the like is connected to the interior of the main body of the signal controller, the door can be closed by opening the cover member and passing the cable or the like through the notch. Thereby, the cable can be connected to the device in the housing without exposing the inside of the housing to the outside. By closing the cover member in this manner, the inside of the housing can be protected from the outside even when the cable is connected to the equipment in the housing.

The cover member may be provided so as to be openable and closable from the inside of the main body.
Thereby, it is possible to prevent the cover member from being opened and closed when the door of the housing is closed.

The cover member may be connected to the main body so as to be rotatable or slidable.
Thereby, the user can open and close a notch part easily by rotating or sliding a cover member.

The open end portion may have a flange portion.
In that case, for example, the door is configured to close the opening by making surface contact with the front surface portion of the flange portion, and the cover member has a portion formed along the L-shape of the flange portion. Have.

  The cover member may include a base portion provided on the inner side of the main body, and an engagement portion provided on the base portion and engageable with the notch or the hole.

  The cover member may further include a rotation shaft portion provided on the base portion.

  The cover member may have a base portion provided inside the main body and a bent portion provided to be bent from the base portion.

The main body may have a shaft portion.
In this case, for example, the cover member has a guide portion that guides the movement of the shaft portion relative to the sliding movement of the cover member.

The cover member may have a slide shaft portion provided on the base portion.
In this case, for example, the main body includes a guide portion that guides the movement of the slide shaft portion when the cover member slides.

The cover member may include a surface along the front surface portion of the flange portion in a state where the cover member is closed.
Thereby, since the door is also in surface contact with the flange portion on the surface of the engaging portion along the front surface of the flange portion, it is possible to improve the sealing performance in the housing with the cover member and the door closed.

  The cover member may have a hinge portion and may be rotatably connected to the main body by the hinge portion.

The notch may be provided at a lower portion of the main body.
Thereby, even if the cover member is open, intrusion of wind and rain from the outside can be suppressed if the door is closed.

In order to achieve the above object, a housing according to an embodiment of the present invention is a housing for a signal controller that controls a traffic signal lamp, and includes a main body, a door, and a cover member.
The main body has an opening and a notch or a hole formed at an opening end of the opening.
The door is connected to the main body and can open and close the opening.
The cover member is provided on the main body and can open and close the notch or the hole.

  As described above, according to the present invention, it is possible to close the door through a cable or the like between the main body and the door as needed, and realize a traffic signal controller casing that can be normally sealed. can do.

FIG. 1 is a diagram showing a traffic signal for introduction of a signal controller according to the first embodiment of the present invention. FIG. 2 is a perspective view showing the signal controller according to the first embodiment of the present invention. FIG. 3 is a front view of the signal controller shown in FIG. 4 is a cross-sectional view taken along line AA in FIG. 5A and 5B are perspective views showing a main part of the signal controller shown in FIG. 6A to 6C are views showing the cover member shown in FIGS. 5A and 5B. FIG. 7 is a diagram illustrating a state in which an electrical cable is connected to the signal controller according to the embodiment of the present invention and the door is closed. 8A and 8B are perspective views showing a main part of a signal controller according to the second embodiment of the present invention. 9A to 9C are views showing the cover member shown in FIGS. 8A and 8B. FIG. 10 is a plan view showing a main part of a signal controller according to the third embodiment of the present invention. 11 is a cross-sectional view taken along line BB in FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  [First Embodiment]

  FIG. 1 is a diagram showing a traffic signal 1 in which a signal controller according to a first embodiment of the present invention is introduced. The traffic light 1 includes, for example, signal lights 2 for vehicles and pedestrians, and a signal controller 100 that controls these signal lights 2. The signal lamp 2 and the signal controller 100 are attached to the column 3, and these are connected via an electric cable.

  In most cases, a plurality of traffic lights 1 are installed beside the intersection. One signal controller 100 is installed at each intersection. Most of the signal controller 100 is attached to the column 3 at a height range that can be reached by a person, for example, at a height of 1 to 1.5 m.

  FIG. 2 is a perspective view showing the signal controller 100. FIG. 3 is a front view of the signal controller 100 shown in FIG. 4 is a cross-sectional view taken along line AA in FIG. 3 and 4, illustration of internal devices and the like in the housing 101 is omitted.

  The signal controller 100 includes a housing 101, a control unit 120, a manual operation unit 130, a breaker unit 140, and an external power supply unit 200.

  The housing 101 includes a main body 102 having an opening 107, and a door 103 connected to the main body 102 and provided to be able to open and close the opening 107. As will be described later, a notch 110 is formed at the opening end 107A of the opening 107 of the main body 102, and a cover member 150 capable of opening and closing the notch 110 is provided on the main body 102.

  An opening 103a is provided at a predetermined position of the door 103, and a sub door (not shown) is connected to the front side of the door 103 (the back side in FIG. 2) so that the opening 103a can be opened and closed. The door 103 is connected to the main body 102 so as to be opened and closed by a hinge 104, and similarly, the sub door is also connected to the door 103 so as to be opened and closed by a hinge. The door 103 is provided with a locking portion 105, and the door 103 can be locked to the main body 102.

  The control unit 120 is accommodated, for example, in the upper part of the main body 102 and basically controls the lighting and blinking times of one or more signal lights 2. The control unit 120 has an operation panel 121 on the front surface, and a user (for example, a police official or the like) sets the lighting time or lighting order and changes them by operating the operation panel 121, for example. can do. In addition to the basic functions described above, the control unit 120 may have a lighting brightness adjustment function and a communication function capable of communicating with a computer in a traffic control center.

  The manual operation unit 130 is provided inside the door 103 so as to face the opening 103 a of the door 103. Specifically, the manual operation unit 130 is supported by a support plate 131 provided so as to close the opening 103a from the inside of the door 103, and is accommodated between the support plate 131 and the sub door.

  The manual operation unit 130 has a function of switching the lighting control of the signal lamp 2 performed by the control unit 120 to manual control, receiving a user's manual operation input, and controlling the lighting of the signal lamp 2. For example, the lighting of the signal lamp 2 can be manually switched by opening the sub door and operating the operation button of the manual operation unit 130 in the opening 103a at an event or the like.

  The breaker unit 140 is accommodated in the main body 102 and is disposed, for example, below the control unit 120. The breaker unit 140 is connected to a commercial power source (from the power supply cable) (not shown), opens and closes a power supply path from the commercial power supply to the signal controller 100, and a current flowing through the power supply path exceeds a specified value. In some cases, the power supply is cut off.

  The external power supply unit 200 can be switched by manual operation to select the power supply (commercial power supply or external power supply) and the external power supply terminal section 220 that is a terminal section that can be connected to an external power supply in an emergency such as a disaster. And a manual changeover switch unit 230 including a switch.

  As the external power supply terminal portion 220, a standardized one is mounted, for example, a terminal portion for an electric appliance that is widely spread to general households. Specific standards include C 8303 in JIS (Japanese Industrial Standards) and 60884 in IEC (International Electrotechnical Commission). In the case of the external power supply terminal portion thus standardized, a commercially available device having an external power supply function or a general-purpose plug or socket can be connected to the external power supply terminal portion 220.

  The manual changeover switch unit 230 has a toggle switch that changes the connection path of the wiring by moving an operation lever, for example, as a switch that can be changed by a manual operation. The operation lever is provided so as to be surrounded by a protective cover attached to the front surface of the external power supply unit 200, and can be operated by a user putting a hand through the opening of the protective cover.

The external power supply unit 200 has a power supply path that can be connected to a commercial power supply via the breaker unit 140, and a second power supply path that is connected to the external power supply terminal unit 220. These power supply paths are connected to the respective contacts of the manual changeover switch unit 230. One of these paths is selected by the manual changeover switch unit 230, and the power is supplied to the control unit 120.

  5A and 5B are perspective views showing a main part of the signal controller 100. FIG. The cross section of the opening end portion 107A of the opening 107 of the main body is formed in an L shape. Hereinafter, the opening end portion 107A is referred to as a flange portion 108 as necessary. That is, the flange portion 108 includes a base portion 108 a that projects toward the front of the main body and a front surface portion 108 b that is bent at 90 ° from the base portion 108 a toward the outer peripheral side of the opening 107. When the packing (not shown) provided on the inner side 103b of the door 103 along the shape of the opening end portion 107A and the front surface portion 108b of the flange portion 108 are in surface contact, the door 103 closes the opening 107, that is, the main body 102 is It is designed to be closed. With such a configuration of the flange portion 108, a gap is formed between the flange support portion 119 of the main body and the door 103 in a state where the door 103 is closed, as shown by a one-dot chain line in FIG. 4. The user can open and close the door by putting a finger in this gap.

  A notch portion 110 is provided at a predetermined position of the flange portion 108 extending from the bottom portion 109 in the lower portion of the main body 102. The main body 102 is provided with a cover member 150 that can open and close the notch 110.

  6A is a perspective view showing the cover member 150 from below, FIG. 6B is a side view thereof, and FIG. 6C is a bottom view thereof. The cover member 150 includes a base plate 151 as a base portion, and an engaging portion 155 provided so as to protrude downward from the base plate 151. The base plate 151 is formed in a substantially rectangular shape, and the engaging portion 155 is formed in a rectangular parallelepiped shape. A rotating shaft portion 153 connected to the flange portion 108 is provided on the lower surface side of the base plate 151. For example, a hole into which the rotation shaft portion 153 is inserted is formed in the flange portion 108 of the main body 102. The engaging portion 155 is subjected to a hollowing process 155a.

  The cover member 150 is formed of a flexible material such as rubber. As the rubber, for example, chloroprene (CR), ethylene propylene diene (EPDM) or the like is used.

  As shown in FIG. 5A, in the closed state of the cover member 150, the engaging portion 155 is engaged with the notch portion 110, and the base plate 151 is placed on the upper surface of the base portion 108a of the flange portion 108. Become. In this state, the front surface portion 156 of the engaging portion 155 of the cover member 150 is disposed along the front surface portion 108 b of the flange portion 108. The base plate 151 and the front surface 156 of the engaging portion 155 are portions formed along the L-shape of the flange portion 108. As a result, when the door 103 is closed with the cover member 150 closed, the packing provided inside the door 103 comes into surface contact with the flange portion 108 and the front surface 156 of the engaging portion 155, so that the interior of the housing 101 is almost completely closed. It can be in a sealed state.

  As shown in FIG. 5B, when the engagement of the engagement portion 155 with the cutout portion 110 is disengaged from the inside of the housing 101 and the cover member 150 is rotated around the rotation shaft portion 153, the door Even when 103 is closed, the inside and the outside of the housing 101 communicate with each other through the notch 110.

For example, when the power supply from the commercial power supply is interrupted, the user opens the door 103, connects the electric cable 50 connected to the external power supply to the external power supply terminal section 220, and moves the manual changeover switch section 230 to the external power supply side. Switch. Then, the user can close the door 103 by opening the cover member 150 as shown in FIG. 5B and passing the electric cable 50 through the notch 110 as shown in FIG.

  Therefore, the electric cable 50 can be connected to the external power supply unit 200 in the housing 101 without exposing the inside of the housing 101 to the outside. Thereby, the inside of the housing 101 can be protected from the outside even during external power feeding. Since the inside of the housing 101 is not exposed to the outside, intrusion into the housing 101 such as wind and rain can be prevented. Thereby, damage and failure of the signal controller 100 can be prevented.

  Further, even during external power feeding, the door 103 can be closed and locked by the locking unit 105, so that a person unrelated to the user is prevented from operating the inside of the housing 101 by mischief, for example. Monitoring is not necessary.

  In the present embodiment, the user can easily open and close the cover member 150 with a single touch by rotation, so that the emergency work can be performed smoothly. Further, since the user opens and closes the cover member 150 in a state where the rotary shaft portion 153 is connected to the main body 102, the cover member 150 is not lost.

  In the present embodiment, the cover member 150 is provided so as to be openable and closable from the inside of the main body 102. Therefore, the cover member 150 cannot be opened and closed when the door 103 of the housing 101 is closed. Thereby, mischief etc. to the inside of case 101 by an unrelated person can be prevented in normal times.

  Since the notch portion 110 according to the present embodiment is provided at the lower part of the main body 102, even if the cover member 150 is in an open state, entry of wind and rain from the outside is suppressed as long as the door 103 is closed. can do. Further, since the notch portion 110 is provided in the lower portion, the positions of the notch portion 110 and the cover member 150 in the signal controller are not conspicuous, and are not easily affected by unrelated persons.

  In this embodiment, the rotation shaft portion 153 of the cover member 150 is provided. However, the rotation shaft portion is provided in the main body 102, and a hole for connecting the rotation shaft portion is provided in the base portion of the cover member 150. Also good.

  [Second Embodiment]

  8A and 8B are diagrams showing a signal controller 300 according to the second embodiment of the present invention. 9A to 9C are a perspective view, a side view, and a plan view of the cover member 160 shown in FIGS. 8A and 8B. In the following description, the same members, functions, etc. included in the signal controller 100 according to the first embodiment will be simplified or omitted, and different points will be mainly described.

  As shown in FIGS. 9A to 9C, the cover member 160 includes a base plate 161 as a base portion, and a bent portion 165 formed to be bent substantially at a right angle from the end side of the base plate 161. That is, the cover member 160 has an L shape when viewed from the side. The base plate 161 has a plurality of (for example, two) guide cutouts 163 as guide portions provided along a predetermined direction.

  As shown in FIG. 8A, a plurality of (for example, two) shaft portions 190 are provided on the flange portion 108 of the main body, and are slidably engaged with the guide notches 163 of the cover member 160. The shaft portion 190 is provided adjacent to the notch portion 110 formed in the flange portion 108. The shaft portion 190 is typically constituted by a screw, and the screw is inserted into a screw hole provided in the base portion 108 a of the flange portion 108 via the guide notch 163 of the cover member 160.

  In the closed state of the cover member 160 shown in FIG. 8A, the bent portion 165 is disposed in the notch 110 at a position where the front surface 166 of the bent portion 165 is along the front surface portion 108 b of the flange portion 108. .

  The cover member 160 is made of metal, for example. As the metal, for example, SPCC (Steel Plate Cold Commercial), stainless steel (for example, SUS304) or the like is used.

For example, when the power supply from the commercial power supply is interrupted, the user opens the door 103, connects the electric cable 50 connected to the external power supply to the external power supply terminal section 220 (see FIG. 2), and the manual changeover switch section 230. Switch to the external power supply.

  The user loosens the screw that is the shaft portion 190 and slides the cover member 160 backward (along the longitudinal direction of the guide notch 163) as shown in FIG. 8B. At this time, the bent portion 165 slides in the notch portion 110 and hits the edge of the rear bottom portion 109, so that the sliding movement of the cover member 160 is restricted. As a result, the cover member 160 is opened. The user may leave the screw of the shaft portion 190 loosened in the state shown in FIG. 8B, but may tighten it.

  Then, as shown in FIG. 7, the user can close the door 103 by passing the electric cable 50 through the notch 110.

  By providing the cover member 160 as described above in the notch 110, the signal controller 300 can obtain the same effects as those of the first embodiment.

  In the present embodiment, one end of the guide portion (guide notch 163) of the cover member 160 is open at the end of the base plate 161, but the guide portion may be in the shape of a long hole.

  The shaft portion 190 is a screw, but may be a pin having no screw portion. In this case, the pin may have a head so that the cover member 160 is not easily detached from the pin.

  In the present embodiment, the guide notch 163 is provided in the cover member 160, but the main body 102 is provided with a guide notch (or long hole) as a guide portion, and the base portion (base plate 161) of the cover member 160 is provided. A slide shaft portion slidably connected thereto may be provided.

  [Third Embodiment]

  FIG. 10 is a plan view showing a main part of a signal controller 500 according to the third embodiment of the present invention. 11 is a cross-sectional view taken along line BB in FIG.

  The cover member 170 includes a base plate 171 as a base portion, and a bent portion 175 formed to be bent substantially at a right angle from an end side of the base plate 171. That is, the cover member 170 is formed in an L shape when viewed from the side as shown in FIG.

  The cover member 170 has a hinge portion 172 as a rotation shaft portion, and is rotatably connected to the flange portion 108 of the main body 102 of the housing 101 via the hinge portion 172. The hinge portion 172 has a rotation axis along the opening surface of the opening 107 (see FIG. 2) of the main body 102 and along the horizontal direction (that is, along the left-right direction in FIG. 10). Thereby, as shown in FIG. 11, the cover member 170 can be opened and closed.

  Also by such a cover member 170, the same effect as the cover members 150 and 160 according to the first and second embodiments can be obtained.

[Other Embodiments]
The present invention is not limited to the embodiment described above, and other various embodiments can be realized.

  In the above embodiment, the notch 110 is provided in the opening end 107A of the main body 102. However, a hole (hole) is provided instead of the notch 110, and for example, the plug of the power supply cable is passed through the hole. You may connect to the external electric power feeding terminal part 220 above. In this case, the cover member for opening and closing the hole may be any member as long as it has a mechanism for opening and closing the hole from the inside of the housing 101. As an example, the cover member may have a male screw portion, and the hole provided in the main body may have a female screw portion.

  The notch portion 110 according to each of the above embodiments is used as a means for passing a power feeding cable for power feeding from an external power source. For example, an internal device (for example, the control unit 120) of the housing 101 and an external computer are connected. You may utilize as a means to let the cable to connect pass. Thereby, in a state where the door 103 is closed, the operator can set the control unit 120 by operating an external computer.

  The cutout portion 110 is not limited to the lower portion of the housing 101 and may be provided on a side portion of the housing 101.

  Although the sliding direction of the cover member 170 according to the second embodiment is the front-rear direction, the cover member may be connected to the main body so as to be slidable in the left-right direction.

  It is also possible to combine at least two feature portions among the feature portions of each embodiment described above.

2 ... Signal lamp 100, 300, 500 ... Signal controller 101 ... Case 102 ... Main body 103 ... Door 107 ... Opening 107A ... Open end 108 ... Flange part 108b ... Front face 109 ... Bottom (lower part of the main body)
DESCRIPTION OF SYMBOLS 110 ... Notch part 120 ... Control unit 150, 160, 170 ... Cover member 151, 161, 171 ... Base board (base part)
153... Rotating shaft portion 155... Engagement portion 156, 166, 176... Front surface 163.
165, 175 ... bent portion 172 ... hinge portion 190 ... shaft portion

Claims (11)

A control unit that controls traffic lights;
A main body of a housing having an opening and a notch or a hole formed in an opening end of the opening, and housing the control unit;
A door connected to the body and capable of opening and closing the opening;
A cover member provided on the main body and capable of opening and closing the notch or the hole; and
An external power supply unit including a terminal unit connectable to an external power source, and a manual changeover switch unit that connects the signal controller to any one of a commercial power source and the external power source,
The control unit is housed in the upper part of the housing,
The external power supply unit is disposed below the control unit in the housing,
The notch or the hole is provided at a lower portion of the main body. The signal controller according to claim 1,
The open end has a flange,
The door is configured to close the opening by making surface contact with the front surface portion of the flange portion,
The said cover member has a site | part formed along the L-shape of the said flange part Signal controller. The signal controller according to claim 2 ,
The said cover member contains the surface along the front part of the said flange part in the state which closed the said notch part or the hole part. Signal controller. The signal controller according to claim 1,
The said cover member is provided so that opening and closing is possible from the inner side of the said main body. The signal controller according to claim 1 or 4,
The cover member is connected to the main body so as to be rotatable or slidable. The signal controller according to claim 5,
The cover member is
A base provided inside the main body;
An engaging portion provided on the base portion and engageable with the notch or the hole. The signal controller according to claim 6,
The said cover member further has a rotating shaft part provided in the said base part. Signal controller. The signal controller according to claim 5,
The cover member is
A base provided inside the main body;
And a bent portion provided to be bent from the base portion. The signal controller according to claim 8,
The main body has a shaft portion;
The said cover member has a guide part which guides the movement of the said axial part relative to the sliding movement of this cover member. Signal controller. The signal controller according to claim 8,
The cover member has a slide shaft portion provided on the base portion,
The said main body has a guide part which guides the movement of the said slide shaft part at the time of the slide movement of the said cover member. The signal controller according to claim 5,
The cover member has a hinge part, and is rotatably connected to the main body by the hinge part.

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