JPH0715190Y2 - Communication equipment housing structure - Google Patents

Description

[Detailed Description of the Invention] [Outline] Concerning the housing box structure for outdoor-installed communication equipment, the housing of the communication equipment in which the communication unit housed in the housing body is electromagnetically shielded and lightning protection is applied For the purpose of providing a box structure, a box-shaped shelf containing communication units inside a box-shaped housing box body that has two opposite sides open and an opening / closing door that seals each opening. In an outdoor-installed communication device to be housed, when the opening / closing door is closed, it is fixed to the inner surface of each of the four main plates of the opening / closing door so as to collide with the front plate member of the opening frame of the housing box body. The frame-shaped waterproof packing material is fixed inside the waterproof packing material so that when the door is closed, the edges of the wedge-shaped metal fitting plate attached to the entire circumference of the inner surface of the opening frame bite into it. Frame-shaped conductive packing material,
It is configured to have.

In addition, a screw hole into which a screw is screwed is provided in the center of the head face plate member, and a fixing metal fitting is provided inside the side plate of the housing box body, and a hole for inserting the neck of the screw in the center. An insulating seat plate that is placed on the head face plate member of the fixing metal fitting, a hole that is bored in the shelf side plate facing the fixing metal fitting, and a hollow side hole that inserts the neck of the screw. And an insulating bush fitted in the hole.

The screw is inserted into the hollow hole of the insulating bush and the hole of the insulating seat plate, and is screwed into the screw hole of the fixing metal fitting to accommodate and hold the shelf in the accommodation box body.

[Industrial application field]

The present invention relates to a housing box structure for outdoor-installed communication equipment.

[Conventional technology]

FIG. 4 is a perspective view of an outdoor-installed communication device.
The figure is a plan sectional view showing a conventional storage box structure.

The communication device shown in FIG. 4 is, for example, a wireless device to be installed outdoors, and has a box-shaped metal plate 3 having a box-shaped metal plate with two opposite side surfaces opened on the head of a ball-shaped stand 6. Is attached.

An opening / closing door 4 that seals one opening of the housing box body 3 is attached using a hinge, and a mounting flange (not shown) can be attached to the center of the opening / closing door 4 so that a reflector antenna such as a parabona antenna can be attached. ) Is attached by screwing.

An opening / closing door 5 is attached to the other opening using a hinge. Each of the opening and closing doors 4 and 5 is configured to close the opening of the storage box main body 3 by engaging a clasp (not shown) attached to a side edge portion facing the hinge with the storage box main body 3. .

Reference numeral 1 is a box-shaped shelf made of a metal plate whose interior is partitioned as desired. Communication units 2A, 2B, 2C ... Are installed in the respective compartments of the shelf 1. Such a shelf 1 is housed in the housing box body 3 with the operation surface facing the opening / closing door 5.

In this way, open two opposite side surfaces of the housing box body 3,
By opening and closing openable doors 4 and 5, which can be opened and closed, respectively, the mounting work and maintenance of each communication unit can be facilitated, and by closing the openable and closed doors, the internal equipment is always protected. .

Hereinafter, the structure of the storage box will be described in detail with reference to FIG.

As shown in FIG. 5, on the opening surface of the storage box body 3, an opening frame 11 connected to the side plate 3A of the storage box body 3 and the upper and lower plates is provided.
Is provided.

The opening frame 11 has a U-shaped cross-sectional view with the outside open, and the opening surface is a flat front plate member 11A, and the front plate member 11A is brought into contact with the inner surfaces of the main plates of the opening / closing doors 4 and 5. There is.

Fixing metal fittings 12 having a channel-shaped cross section are arranged by welding or the like at desired positions inside the opposite side plates 3A of the housing box main body 3, and at the central portions of the head face plate members of the respective fixing metal fittings 12. A screw hole into which the screw 13 is screwed is provided.

Then, the shelf 1 made of a box-shaped metal plate having an opening on the side corresponding to the opening / closing doors 4 and 5 is inserted, and the shelf side plates 1A are brought into contact with the head face plate members of the respective fixing metal fittings 12, so that the shelf 1
The shelf 1 is accommodated and fixed in the accommodating box body 3 by inserting a screw 13 from the inside and screwing into the screw hole of the fixing metal fitting 12.

On the other hand, the open / close doors 4 and 5 that close the opening of the housing box body 3 are shallow box-shaped with the door side plates 4A and 5A provided on the four peripheries of the main plate, and the upper edge portion is on the upper side of the opening frame 11 via the hinge. It is connected and attached to the housing box body 3 so as to be openable and closable.

In addition, a frame-shaped waterproof packing material (for example, neoprene rubber) 7 is fixed to the inner surface of the main plate inside the door side plates 4A and 5A of the respective open / close doors 4 and 5.

Therefore, when the respective opening / closing doors 4 and 5 are closed and the clasps are engaged with the housing box body 3, the waterproof packing material 7 opens the opening frame.
Since it abuts against the front plate member 11A of 11, the shelf 1 is hermetically sealed.

[Problems to be solved by the device]

The conventional opening / closing door is configured to be in close contact with the front plate member 11A of the opening frame 11 via the waterproof packing material 7.

Therefore, there is a possibility that electromagnetic waves may enter the housing box body 3 from the outside through the waterproof packing material 7 and cause crosstalk.

Further, the storage box main body 3 is installed outdoors, and the shelf 1 accommodated in the storage box main body 3 is fixed to the storage box main body 3 in a conductive state.

Therefore, if the lightning strikes the container body 3, the communication unit housed in the shelf may be damaged.

The present invention has been made in view of the above circumstances, and provides a housing box structure for communication equipment in which the communication unit housed in the housing box body is electromagnetically shielded and lightning protection is provided. It is an object.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention provides a box-shaped container box main body having opening and closing doors 4 and 5 that open two opposite surfaces and seal each opening, as illustrated in FIG. In the outdoor installation type communication device that accommodates the box-shaped shelf 1 in which the communication unit is housed inside 3, when the opening and closing doors 4 and 5 are closed, the front plate member 11A of the opening frame 11 of the accommodation box body 3 is A frame-shaped waterproof packing material 7 fixed to the inner surfaces of the four main plates of the opening / closing doors 4 and 5 so as to collide with each other, and the inner surface of the opening frame 11 when the opening / closing doors 4 and 5 are closed. As the edge of the wedge-shaped metal fitting plate 15 attached to the entire circumference of
A frame-shaped conductive packing material 17 fixed to the opening / closing doors 4 and 5 inside the waterproof packing material 7 is provided.

Further, in addition to the accommodation box of the communication device having the above-mentioned configuration, a fixing metal fitting having a screw hole into which the screw 13 is screwed in the central portion of the head face plate member and disposed inside the side plate 3A of the accommodation box body 3. 12, an insulating seat plate 20 having a hole for inserting the neck portion of the screw 13 in the center and placed on the head face plate member of the fixing metal fitting 12, and a hole provided in the shelf side plate 1A facing the fixing metal fitting 12. Holes and screws 13
And an insulating bush 21 which has a hollow hole for inserting the neck portion and is fitted into each hole of the shelf side plate 1A, and the screw 13 is inserted into the hollow hole of the insulating bush 21 and the hole of the insulating seat plate 20. The shelf 1 is housed and held in the housing box body 3 by being screwed into the screw hole of the fixing metal fitting 12.

[Action]

As described above, the waterproof packing material 7 that collides with the opening frame 11 is provided on the opening / closing door side, and further, the wedge-shaped metal fitting plate 15 is provided on the entire inner surface of the opening frame 11 of the storage box body 3 to open the opening / closing door. A frame-shaped conductive packing material 17 into which the edge of the wedge-shaped metal fitting plate 15 bites when closed is provided on the opening / closing door side.

Therefore, not only raindrops are prevented from entering the housing box body 3, but electromagnetic waves from the outside that have penetrated into the inside of the opening / closing door through the waterproof packing material portion are further prevented by the conductive packing material 17. It is prevented from entering inside.

On the other hand, the screw 13 for fixing the shelf 1 to the storage box body 3 is
Since it is configured to be screwed to the storage box body 3 via the insulating bush 21 and the insulating seat plate 20, the shelf 1 is electrically floated from the storage box body 3.

That is, the signal ground of the communication unit and the ground ground are separated. Therefore, even if there is a lightning strike on the housing body 3, there is no risk of damaging the communication unit.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the drawings. In addition, the same reference numerals indicate the same symmetrical objects throughout the drawings.

FIG. 1 is a plan sectional view of an embodiment of the present invention, FIG. 2 is a detailed view of essential parts of the invention of claim 1, and FIG. 3 is a detailed view of essential parts of the invention of claim 2.

In FIG. 1, a box-shaped storage box main body 3 made of a metal plate such as steel or stainless steel has two opposite faces as openings, and the side faces 3A of the storage box main body 3 and the upper and lower plates are opened in the opening faces. An opening / closing door 4 which is provided with an opening frame 11 connected to the plate and seals one opening
Is attached using a hinge, and a mounting flange 25 is screwed and attached to the central portion of the opening / closing door 4 so that the reflector antenna can be attached.

An opening / closing door 5 is attached to the other opening using a hinge. The open / close doors 4 and 5 are attached to the housing box main body 3 with clasps (not shown) to open the open / close doors 11 and 11.
It is fixed to the storage box body 3 with the opening of 1 closed.

The inner surface of the housing box body 3 and the inner surfaces of the opening / closing doors 4 and 5 are conductively coated, and the outer surfaces thereof are anticorrosive.

On the other hand, the shelf 1 in which the interior made of a box-shaped metal plate is partitioned into a desired shape is inserted into the accommodation box main body 3 and fixed thereto.
In each of the compartments, the operation surface is on the side of the opening / closing door 5, and the communication units 2A, 2B, 2C ...

The opening frame 11 provided in the opening of the storage box main body 3 has a flat front plate member 11A on the opening surface side, and has a U-shaped cross section when the outside is opened.

Then, when the respective open / close doors 4 and 5 are closed, the open / close doors 4A and 5A, which are frame-shaped door side plates 4A and 5A provided on the four circumferences of the main plate, are crowned on the outside of the corresponding opening frame 11. , 5 are configured.

As shown in FIG. 2 in detail, these opening / closing doors 4 and 5,
A frame-shaped waterproof packing material (for example, neoprene rubber) 7 is fixed to the inner surface of the main plate inside the door side plates 4A and 5A, and when the waterproof packing material 7 closes the opening / closing door, the storage box main body 3
The housing box body 3 is hermetically sealed by abutting against the corresponding front plate member 11A.

In addition, a wedge-shaped metal fitting plate 15 is fixed to the inner side surface of the opening frame 11 by welding or the like so that the edges of the opening frame 11 are directed toward the opening / closing door side.

Then, on the opening / closing doors 4 and 5, a U-shaped metal fitting 16 having a U-shaped cross section is welded in a frame shape to the wedge-shaped metal fitting plate 15 to be fixed inside the waterproof packing material 7 so as to face the wedge-shaped metal fitting plate 15. A conductive packing material 17 is filled in the opening grooves of 16.

The conductive packing material 17 is made of elastic silicone rubber covered with a metal net such as silver, or kneaded with copper powder in the silicone rubber.

Therefore, the edges of the wedge-shaped metal fitting plate 15 bite into the conductive packing material 17 in a state where the respective open / close doors 4 and 5 are closed and the waterproof packing material 7 is abutted against the front plate member 11A.

Therefore, not only raindrops are prevented from entering the housing box body 3, but electromagnetic waves from the outside that have penetrated into the inside of the opening / closing door through the waterproof packing material portion are further prevented by the conductive packing material 17. Since it is prevented from entering inside, there is no risk of crosstalk occurring in the communication device.

Next, the invention of claim 2 will be described in detail with reference to FIG.

Fixing metal fittings 12 having a channel-shaped cross section are arranged by welding or the like at desired locations inside the side plates 3A of the housing box main body 3 that face each other. A screw hole into which the screw 13 is screwed is provided, and an insulating seat plate 20 is mounted on the surface of the head face plate member of the fixing fitting 12.

On the other hand, the shelf side plate 1A of the shelf 1 is provided with holes into which the insulating bushes 21 are fitted at positions corresponding to the screw holes of the fixing fittings 12.

Then, the shelf 1 made of a box-shaped metal plate having an opening on the side corresponding to the opening / closing doors 4 and 5 is inserted into the housing box body 3, and the shelf side plate 1A is mounted on the head face plate member of each fixing metal fitting 12. Align with the surface of the seat plate 20, insert the screw 13 from the inside of the shelf 1 into the hollow hole of the insulating bush 21,
The shelf 1 is housed / fixed in the housing box body 3 by being screwed into the screw holes of the fixing metal fitting 12.

Therefore, since the shelf 1 is housed in the housing box body 3 while being electrically floating from the housing box body 3, the signal ground and the ground ground of the communication unit are separated. Therefore, even if there is a lightning strike on the housing box body 3, there is no risk of damaging the communication unit.

[Effect of device]

As described above, according to the present invention, the opening / closing door that closes the opening of the housing box body is provided with the waterproof packing material and the conductive packing material in a frame shape, so that the communication unit housed in the housing box body is hermetically sealed. There is an excellent effect that it is sealed, and further, electromagnetic waves are prevented from entering the housing box body from the outside, and there is no risk of crosstalk.

On the other hand, since the shelf is housed in the housing box body while electrically floating from the housing box body, even if lightning strikes the container body, the communication unit housed in the shelf may be damaged. There is no.

[Brief description of drawings]

FIG. 1 is a plan sectional view of an embodiment of the present invention, FIG. 2 is a detailed view of essential parts of the invention of claim 1, FIG. 3 is a detailed view of essential parts of the invention of claim 2, and FIG. FIG. 5 is a plan sectional view of a conventional example. In the figure, 1 is a shelf, 2A, 2B and 2C are communication units, 3 is a housing box body, 3A is a side plate, 4,5 are open / close doors, 4A and 5A are door side plates, 7 is a waterproof packing material, and 11 is an opening frame. , 11A is a front plate member, 12 is a fixing bracket, 13 is a screw, 15 is a wedge-shaped bracket plate, 16 is a U-shaped bracket, 17
Is a conductive packing material, 20 is an insulating seat plate, and 21 is an insulating bush.

Claims (2)

[Scope of utility model registration request] 1. A box in which a communication unit is housed in a box-shaped housing box main body (3) having opening and closing doors (4,5) for opening the two opposite surfaces and sealing the respective openings. In a communication device of an outdoor installation type for accommodating a shelf (1) in the shape of a door, a front plate member (11A) of an opening frame (11) of the accommodation box body (3) when the opening / closing doors (4,5) are closed. ),
A frame-shaped waterproof packing material (7) fixed to the inner surface of the main plate of each of the opening / closing doors (4,5) at four rounds, and the opening frame (7) when the opening / closing doors (4,5) are closed. 11) A frame shape fixed to the opening / closing doors (4,5) inside the waterproof packing material (7) so that the edges of the wedge-shaped metal plate (15) attached to the entire circumference of the inner surface of (11) bite into it. Conductive packing material (1
7) and a storage box structure for communication equipment, characterized in that 2. A fixing metal fitting (12) having a screw hole into which a screw (13) is screwed, in the center of a head face plate member, and arranged inside a side plate (3A) of a housing box body (3). ), A hole into which the neck of the screw (13) is inserted, and an insulating seat plate (20) that is placed on the head face plate member of the fastening fitting (12) and the fastening fitting (12). ) Facing each other, and having a hole bored in the shelf side plate (1A) and a hollow hole into which the neck of the screw (13) is inserted, and fitted into each hole of the shelf side plate (1A). The insulating bush (21) is formed by inserting the screw (13) into the hollow hole of the insulating bush (21) and the hole of the insulating seat plate (20), and the screw hole of the fixing metal fitting (12). The accommodation box structure for a communication device according to claim 1, wherein the shelf (1) is accommodated and held in the accommodation box main body (3) by being screwed to.