JP2010081730A - Box for storing electrical devices - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a box for storing electrical devices to which a perforated panel for ventilation and a waterproof panel which prevent rain water, snow or ice from soaring and intruding via an exhaust opening provided at a lower portion of an eave projecting from the tip of the roof body can be fixed easily. <P>SOLUTION: An exhaust unit 9 produced by integrally forming a perforated panel 6 for ventilation, which is arranged to close an exhaust opening 5 formed between the lower end of the front panel 41 of an eave 4 projected from the tip of a roof body 2 to cover the upper opening 1a of the body 1 of a box and the upper front of the body 1 of a box, and a waterproof plate 7, which is provided above the perforated panel 6 for ventilation above and below a fixing plate 8, is fixed to the upper front of the body 1 of a box by means of the fixing plate 8. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an electric equipment storage box used for a cubicle type high voltage power receiving facility or a switchboard installed outdoors.

  Electric equipment storage boxes used for cubicle type high-voltage power receiving equipment installed outdoors are those that discharge heat generated by the mounted transformer etc. from the upper opening to the bottom of the fence protruding from the roof body. Normal. Furthermore, it is possible to prevent rainwater, ice and snow from entering the box body while having a structure for exhausting heat from the exhaust port below the bag.

  However, even if the structure is such that heat is discharged from the exhaust port below the kite as described above, there is a problem that rainwater, icy snow, and so on rise due to heavy rain, rain breeze, and snowstorm and enter the exhaust port.

  Therefore, as shown in FIG. 5, an exhaust port provided below the roof 103 protruding from the end of the roof main body 102 covering the upper opening 101 of the box main body 100, assuming that rainwater, ice and snow do not rise and enter from the exhaust port. There is known one in which a ventilation hole plate 105 is installed in 104 and a waterproof plate 106 is provided on the ventilation hole plate 105 (see, for example, Patent Document 1).

However, in the conventional attachment method, the waterproof plate 106 is attached to the upper front portion of the box body 1, the roof body 102 is attached to the box body so as not to contact the waterproof plate 106, the lower end of the front plate portion of the fence and the box body There is a problem that the mounting work is troublesome because the ventilation hole plate 105 is inserted into the inside through the exhaust port 104 formed between the upper part and the waterproof plate 106 and the ventilation hole plate 105.
In addition, one end of the vent hole plate 105 is attached to the waterproof plate 106, but if the other end is fixed to the lower end of the front plate portion of the bag, the number of parts increases. For this reason, the other end of the vent hole plate 105 is placed on the lower end of the front plate portion of the bag, but vibrations from the internal device are transmitted to the bag through the vent hole plate, so that it resonates with the seeds and generates noise. There's a problem.
JP-A-10-108309 (especially FIG. 2)

  The present invention has been made in order to solve the above-described problems, and is an air vent for preventing rainwater, ice and snow from invading from an exhaust port provided below a fence projecting at the tip of a roof body. Provided is an electrical equipment storage box to which a hole plate and a waterproof plate can be easily attached.

  The electrical equipment storage box of the present invention closes an exhaust port formed between the lower end of the front plate portion of the ridge protruding from the tip of the roof main body covering the upper opening of the box main body and the front upper portion of the box main body. An exhaust unit formed by integrally forming a ventilation hole plate and a waterproof plate provided above the ventilation hole plate on the upper and lower sides of the attachment plate portion with the attachment plate portion provided on the front upper portion of the box body A basic invention is characterized in that it is attached to the above.

  And in this invention, it is good also as what provided the space | gap between the lower end of the front board part of a collar, and the front-end | tip of the hole plate for ventilation | gas_flowing.

  The electric device storage box of the present invention described above discharges heat generated by a transformer or the like mounted on the box body from an exhaust port provided below the roof projecting from the upper opening to the roof body. In this case, since the ventilation hole plate that faces the exhaust port and the waterproof plate is provided on the upper part of the ventilation hole plate, rainwater and ice / snow rise by rain wind or snowstorm so that the ventilation hole plate is Even if it passes, it is blocked by the waterproof plate so that it does not enter the box body from the exhaust port.

  Further, the ventilation hole plate facing the exhaust port and the waterproof plate provided on the upper part of the ventilation hole plate are an exhaust unit formed integrally on the upper and lower sides of the mounting plate part. Since the mounting plate portion is mounted on the upper front portion of the box body, the mounting operation is easy and the number of components is small, and the components can be easily managed.

  Furthermore, assuming that a gap is provided between the lower end of the front plate portion of the bag and the tip of the vent hole plate, vibration due to internal equipment from a transformer or the like mounted on the box body on the vent hole plate is used for ventilation. Since it is not transmitted to the eaves through the hole plate, resonance with the roof is eliminated, and noise is reduced.

Next, a preferred embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a partially cutaway perspective view showing an entire electrical equipment storage box according to the present invention, wherein 1 is a box body, and 2 is a roof body covering an upper opening 1 a of the box body 1. The roof body 2 has a flange 4 protruding from one side of the box body 1, that is, a tip toward the door 3 installation surface, and is a lower end of the front plate 41 of the flange 4 and an upper front surface of the box body 1. An exhaust port 5 is formed between the upper part of the door 3 mounting surface, and heat generated by the mounted transformer or the like is discharged from the upper opening 1a through a gutter 4 protruding from the roof body 2.

  Further, a ventilation hole plate 6 through which a large number of ventilation holes 61 are provided so as to face the exhaust port 5 and a waterproof plate 7 provided above the ventilation hole plate 6 are provided above and below the mounting plate part 8. A mounting unit 8 is attached to the upper part of the front face of the box body 1, that is, the upper part of the door frame 12 to which the door 3 is opened and closed. The electric device storage box shown in the figure is a structure in which a box 3 is formed by the door 3, the side face 11, and the rear face (not shown), and is attached to the upper part of the door frame 12 as described above because no beam is employed. However, in the case of a frame structure employing a beam, it is needless to say that the exhaust unit 9 may be attached to the beam.

  As a means for attaching the exhaust unit 9 to the door frame 12 which is the upper front part of the box body 1 with the attachment plate portion 8, the door shown in FIGS. 2 and 3 is provided with a screw insertion hole 8a in the attachment plate portion 8. A screw hole 12 a is provided in the frame 12, and a screw 81 is inserted through the screw insertion hole 8 a from the front side of the mounting plate portion 8 and then screwed into the screw hole 81 to be attached. After the exhaust unit 9 is attached, it is attached to the box body 1 so as not to contact the exhaust unit 9. Further, the door frame 12 may be provided with a through hole in the door frame 12 without directly providing the screw hole 12a and welded with a nut on the back side thereof.

  Further, as a means for attaching the exhaust unit 9 to the door frame 12 which is the front upper portion of the box body 1 with the attachment plate portion 8, as shown in FIG. It is good also as what was made to latch in the latching hole 12b provided in the door frame 12, and was attached.

  A gap 40 is formed between the lower end of the front plate portion 41 of the flange 4 and the tip of the vent hole plate 6 of the exhaust unit 9. In the illustrated example, it is assumed that the tip of the vent hole plate 6 faces the upper end of the bent piece portion 41a provided inwardly at the lower end of the front plate portion 41 of the flange 4. Is formed.

  Further, the waterproof plate 7 is inclined toward the upper front, assuming that the leading end side of the vent hole 61 for shielding rainwater and snow passing through the vent holes 61 formed in the vent hole plate 6 is extended to the upper part. In addition, a water return plate 71 bent downward is provided at the tip of the waterproof plate 7 to prevent rainwater adhering to the lower surface of the waterproof plate 7 from entering the box body 1 along the upper surface.

  In addition, the electrical equipment storage box according to the illustrated embodiment employs a so-called monocoque structure, so that the roof body 2 is inclined downwardly to the upper end of the side plate 11 of the box body 1 as shown in FIG. In order to attach to, it attaches with the metal fitting 11a.

  In this configuration, heat generated by a transformer or the like mounted on the box body 1 is accurately discharged from an exhaust port 5 provided in a lower part 4 of the ridge projecting from the upper opening 1a to the roof body 2 to the inside. It suppresses the rise in temperature. In this case, since the ventilation hole plate 6 facing the exhaust port 5 and the waterproof plate 7 provided on the upper part of the ventilation hole plate 6, rainwater and ice and snow are soared by rain wind and snowstorm. Even if there is something that has passed through the vent hole plate 6, it is blocked by the prevention plate 7 and does not enter the box body 1.

  A feature of the present invention is that a ventilation hole plate 6 facing the exhaust port 5 and a waterproof plate 7 provided above the ventilation hole plate 6 are integrally formed above and below the mounting plate part 8. Since the exhaust unit 9 is formed as described above, the attachment plate 8 can be attached to the front upper portion of the box body 1, so that the attachment work is easy and the number of parts is small and the parts can be managed. It will be easy.

  Further, assuming that a gap 40 is provided between the lower end of the front plate portion 41 of the flange 4 and the tip of the vent hole plate 6, internal devices such as a transformer mounted on the box body 1 on the vent hole plate 6. The vibration due to is not transmitted to the gutter 4 through the vent hole plate 6, so that resonance with the roof is eliminated and noise is reduced. As described above, it is assumed that the front end of the vent hole plate 6 faces the upper end of the bent piece portion 41a provided inwardly at the lower end of the front plate portion 41 of the flange 4. Assuming that 40 is formed, rainwater is less likely to enter from the gap 40, and it is blindfolded and looks good.

1 is a partially cutaway perspective view showing an embodiment of the present invention. Sectional drawing which shows the principal part of an example of embodiment of this invention. It is a figure which shows the unit for exhaust_gas | exhaustion used for an example of embodiment of this invention, (A) is the perspective view shown from the front side, (B) is the perspective view shown from the back side Sectional drawing which shows the principal part of the other example of embodiment of this invention. Sectional drawing which shows the principal part of a prior art example.

Explanation of symbols

1 Box body
1a Upper opening 2 Roof body 4 庇
41 Front plate portion 5 Exhaust port 6 Ventilation hole plate 7 Waterproof plate 8 Mounting plate portion 9 Exhaust unit

Claims (2)

A ventilation hole plate that faces the exhaust port formed between the lower end of the front plate part of the roof projecting from the top of the roof body covering the upper opening of the box body and the front upper part of the box body; An electrical apparatus comprising: an exhaust unit formed integrally with a waterproof plate provided on an upper portion of the vent hole plate and above and below the attachment plate portion, and attached to the upper front portion of the box body with the attachment plate portion. Storage box. The electric equipment storage box according to claim 1, wherein a gap is provided between a lower end of the front plate portion of the bag and a tip of the vent hole plate.

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