JP2008084981A - Gallery - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a gallery capable of contriving the improvement of waterproofing and dust proof performance in an opening for ventilation of a housing installed outside. <P>SOLUTION: The gallery is equipped with a gallery main body frame, installed in the outdoor air introducing opening for introducing outdoor air into the inside of the housing and consisting of a plurality of louver strips while respective louver strips are arranged and fixed so that the outdoor air side of respective louver strips is inclined downward, a filter cassette, attached to the main body frame of the gallery through a removing mechanism and equipped with a filter mounting unit for mounting eaves filter and dust-proof filter, the eaves filter, mounted at the filter mounting unit of the filter cassette at the side approximate to the louver, and the dust proof filter, mounted on the filter mounting unit between the eaves filter and the inside of the housing. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention is a case (wind tunnel) installed outdoors, and is a waterproof and dustproof gallery attached to a ventilation opening (ventilation port) of a case in which, for example, power distribution equipment is housed inside the case. About.

  Conventionally, as a waterproof structure at a ventilation opening in a switchboard installed outdoors, there are those shown in Patent Documents 1 and 2 described below. Patent Document 1 discloses a cabinet formed by sheet metal processing so that water does not enter the housing. Specifically, an inner louver (inner louver) and a dustproof filter storage unit are temporarily attached to an outer louver (outer louver). Is attached to the ventilation hole opened from the outside. In Patent Document 1, since the louver is inside and outside, the flow path becomes complicated and the pressure loss becomes high. Moreover, the opening area obtained with respect to a drilling area from the shape of a louver is narrow. Furthermore, when replacing the filter, the gallery has to be removed once, and a tool or the like is required.

In Patent Document 2, a plurality of plates called galleys that slant downward toward the outside have a horizontally long opening, and in the case of intake, a filter is arranged on the rear surface of the gallery, and the opposite surface to that for intake Describes that the air in the panel is circulated and used for cooling by a method of arranging an exhaust gallery (without a filter). Although patent document 2 is applicable to a forced air cooling system, no consideration is given to dust-proof measures. In order to prevent this dust, it is conceivable to dispose a filter on the rear stage side of the louver. However, since the wind speed is changed by doing so, the cooling performance by air cooling is lowered.
JP2003-64962A JP 2000-29571 A

  The present invention has been made to improve the above-described problems, and an object of the present invention is to provide a gallery in which waterproof and dustproof performance can be improved and filter replacement can be easily performed.

In order to achieve the above object, the invention corresponding to claim 1 is characterized in that an outside air intake opening for taking in outside air into a housing installed outdoors and / or air inside the housing is A louver provided with an internal air discharge opening for discharging to the outside of the housing, comprising a plurality of louver pieces, and each louver piece being inclined and fixed so that the outside air side is lowered. A gallery body frame with
A filter cassette that is attached to the gallery main body frame via a detaching mechanism and includes a filter mounting portion for mounting a draining filter and a dustproof filter;
A drainage filter mounted on a side close to the louver in the filter mounting portion of the filter cassette, and a dustproof filter mounted on a filter mounting portion between the drainage filter and the inside of the housing;
It is a gallery equipped with.

  In order to achieve the object, the invention corresponding to claim 2 is as follows. That is, the removing mechanism forms a cassette side mounting portion at least in the vertical position of the filter cassette, and forms a main body frame side mounting portion at a position corresponding to the cassette side mounting portion in the gallery main body frame. 2. The gallery according to claim 1, wherein the gallery comprises a screw body that passes through the cassette side mounting portion and the main body frame side mounting portion and is rotatably provided, and a nut screwed into the screw body. .

  In order to achieve the above object, the invention corresponding to claim 3 is as follows. That is, the drainage which forms a drainage path in the bottom face facing the lower end face of the drainage filter of the filter cassette, and has an inclined surface which becomes lower on the louver side on the bottom face facing the drainage path in the gallery main body frame. The gallery according to claim 1, wherein a path is formed.

  In order to achieve the above object, the invention corresponding to claim 4 is as follows. That is, the gallery according to claim 1, wherein forced ventilation means is provided in the housing.

  According to the present invention, it is possible to provide a gallery in which waterproof and dustproof performance can be improved and filter replacement can be easily performed.

  Embodiments of the present invention will be described below with reference to the drawings, but before that, an overview of the present invention will be described with reference to FIGS. Here, the distribution board which is an example of the gallery of the present invention includes an intake panel such as a monitoring panel 10 and a control protection panel 20, a wind tunnel panel such as four power converter panels 30 and an interconnecting transformer panel 40, and an exhaust panel. A panel, for example, an auxiliary machine panel 50 is sequentially juxtaposed in a straight line in a predetermined direction and communicated between the panels, and is formed on the side surface of the casing 21 in the casing 21 of the control protection panel 20, for example, the casing constituting the intake panel. The intake fan 22 is built in at a predetermined distance from the outside air intake openings (intake openings) 121 and 122, and the casing 51 constituting the exhaust panel, for example, the auxiliary panel 50, An exhaust fan 53 is built in a predetermined distance away from the exhaust opening 52 formed on the side surface of the casing 51, and the wind in the intake panel taken in by the intake fan 22 is sent to the wind tunnel board. In the exhaust panel, the exhaust fan 53 Ri is a cross-cooling system of the forced air cooling to be emitted to the outside.

  The monitoring panel 10 is a side wall of the monitoring panel casing 11 and has openings (intake openings) 121 and 122 for taking in outside air on the back side and the back side of the left side wall. It is for monitoring the whole apparatus with the structure which can supply electric power to the battery which can be charged and discharged.

  The control protection board 20 includes, for example, four intake fans 22 in the vertical direction in a room on the back side in the control protection board casing 21 and protects the entire board. It contains equipment. This protective device includes a control board (not shown) that should not be directly exposed to the cooling air described later.

  The power converter board 30 is composed of, for example, four units, each of which supplies power to the load, which is obtained by converting AC power from a power supply source, for example, power system, into DC power in the converter board casing 31. It contains the converter.

  In the interconnection transformer panel 40, an interconnection transformer 42 that steps down an AC voltage from a power supply source, for example, an electric power system, is housed in a casing 41 for the interconnection transformer board.

  In the auxiliary machine panel 50, an internal air discharge opening (exhaust opening) 52 is formed on the side wall of the auxiliary machine housing 51, and the auxiliary machine board 50 is provided in the auxiliary machine housing 51 from the exhaust opening. An exhaust fan (not shown) is accommodated and separated by a distance, and AC power from the power system can be taken in.

  The monitoring board 10, the control protection board 20, the power converter board 30, the interconnection transformer board 40, and the auxiliary machine board 50 are sequentially arranged in a straight line in a predetermined direction. The panels communicate with each other, the intake fan 22 sucks the outside air into the row boards through the outside air intake openings 121 and 122, and the exhaust fan (not shown) opens the internal air discharge opening 52. The power distribution board is configured to cool the power converter and the interconnection transformer by cooling air generated inside the control protection board casing 21 by being discharged to the outside of the panel board.

  Next, an embodiment of the gallery of the present invention will be described with reference to the drawings with reference to FIGS. The gallery of the present invention is installed outside, for example, the outside air intake openings 121 and 122 for taking outside air into the inside of the casing 11 of the monitoring panel 10 and / or the casing 51 of the auxiliary board 50 described above. An internal air discharge opening 52 for discharging the internal air to the outside of the casing 51 is provided. The gallery main body frame 01 provided in the openings 121, 122, 52 and including the louver 02, and the gallery main body frame 01 And a filter cassette 05 provided with filter mounting portions 052 and 053 (details will be described later) for mounting the draining filter 03 and the dustproof filter 04, and a removal mechanism 06 (details will be described later). A drain filter 03 mounted on the filter mounting portion 052 of the filter cassette 05 on the side close to the louver 02, and the drain filter 03 and the housing 1 1 is provided with a dustproof filter 04 mounted on a filter mounting portion 053 between the inside and the interior of 1.

  As an example, the above-described detaching mechanism 06 has a cassette side mounting portion formed at, for example, seven positions on the left and right upper sides of the back frame 050 constituting the filter cassette 05, and is a gallery main body frame 01, which is a cassette side mounting portion. Are attached to screw bodies, for example, a knurled screw 061 and a knurled screw 061, that pass through the cassette side mounting portion and the gallery main body frame 01 side mounting portion. A retaining washer 062 that prevents the let screw 061 from coming off and rotatably supports the knurled screw 061, a packing 063, a fastener flange 064 that is spot welded to a desired position on the main body frame 01, and a fastener A welding nut 065 which is welded to the flange 064 and can be screwed with a knurled screw 061 It is.

  The louver 02 is fixed to a plurality of louver pieces 021 having a substantially “te” cross section and the louver pieces 021 to the gallery main body frame 01 at a predetermined angle (inclination angle descending from the inside to the outside of the housing). And a plurality of louver piece fixtures 022 fixed to each louver piece 021 by welding or the like.

  The back frame 050 of the filter cassette 05 is provided with a handle portion 051. The handle portion 051 is provided for the operator to hold the filter cassette 05 when separating the filter cassette 05 from the gallery body frame 01 as shown in FIG. Is.

  Further, in the filter cassette 05 described above, a drainage path, for example, a drainage hole 055 having a rectangular cross section is formed in the bottom surface 054 facing the lower end surface of the draining filter 03, and the bottom surface facing the drainage hole 055 in the gallery main body frame 01. 054 is formed with a drainage path 08 having an inclined surface such that the louver 02 side is lowered. Note that an insect screen (not shown) is disposed around the drain hole 055 so as to prevent insects and the like from entering from this portion.

  The draining filter 03 includes a filter main body and a net (not shown) disposed around the filter main body, and the net is fixed to the filter main body with a hook or the like.

  Since it is comprised as mentioned above, the following effects are obtained.

  1) At the opening side of the gallery main body frame 01, the louver 02 composed of a plurality of horizontally long louver pieces 021 having an inclination descending from the inside toward the outside, and the draining filter mounting portion 052 of the filter cassette 05 were mounted. Since the drainage filter 03 is provided, not only a waterproof structure can be obtained, but also the waterproof function is improved.

  2) Since the filter cassette 05 can be separated into the gallery main body frame 01 by the removal mechanism 06, the filter cassette can be easily pulled out without using any tools for filter replacement and cleaning. Is obtained.

  3) A drain hole 055 is provided in the bottom surface part 05 of the filter cassette 05, which is the lower part of the draining filter 03, and a downward sloping slope is formed in the drainage path 08 in the bottom part of the gallery body frame 01, which is the lower part of the drain hole 055. By attaching, the waterproof structure in which the gallery main body frame 01 itself has a drainage function is obtained.

  4) To replace the drain filter 03 and the dust filter 04, the filter cassette 05 can be easily removed by loosening the knurled screw 061 constituting the removal mechanism 06 and removing it from the gallery body frame 01 without using a tool arranged on the rear surface of the gallery. It is possible to remove the water draining filter 03 and the dustproof filter 04 to be replaced from the upper side of the filter mounting parts 052 and 053 without using a special tool. Since it is only necessary to insert the filter 04 from the upper side of the filter mounting portions 052 and 053, it is easy to use. As a result, the draining filter 03 and the dustproof filter 04 can be easily replaced.

  5) The pressure loss of the gallery, which is a problem of the conventional waterproof structure described above, can be reduced. This is because the conventional louver described above is inside and outside the housing, so that the flow path is complicated and the pressure loss is high, and the opening area obtained from the shape of the louver is narrow relative to the drilling area. As a result, the conventional example requires a large amount of gallery and mounting area in order to obtain the necessary air volume.

  6) Since the embodiment described above can be applied to a distribution board having a forced ventilation means such as an intake fan in the housing as in the above-described embodiment, or a distribution board having no forced ventilation means such as an intake fan, Applicable to any use.

1 is a perspective view of a power distribution board to which the present invention is applied. The perspective view for demonstrating the structure of FIG. The front view which shows embodiment of the gallery of this invention. FIG. 4 is a side longitudinal sectional view of the gallery of FIG. 3. The side longitudinal cross-sectional view which expands and shows the Z section of FIG. The figure which cut | disconnected along the AA line of FIG. 4, and looked at the arrow direction. The side longitudinal cross-sectional view for demonstrating the state which removed the gallery of this invention, and this filter cassette.

Explanation of symbols

    DESCRIPTION OF SYMBOLS 01 ... Gallery body frame, 02 ... Louvre, 03 ... Drain filter, 04 ... Dust-proof filter, 05 ... Filter cassette, 06 ... Removal mechanism, 08 ... Drainage path, 10 ... Monitoring panel, 11 ... Monitor panel casing, 11 ... Case: 20 ... Control protection board, 21 ... Case, 21 ... Control protection board case, 021 ... Louvre piece, 22 ... Intake fan, 022 ... Louvre piece fixture, 30 ... Power converter board, 31 ... Transformer panel casing, 40 ... interconnected transformer panel, 41 ... interconnected transformer panel casing, 42 ... interconnected transformer, 50 ... auxiliary machine panel, 050 ... back frame, 51 ... casing, 51 ... Auxiliary machine casing, 051 ... Handle part, 52 ... Internal air discharge opening, 052 ... Water drain filter mounting part, 53 ... Exhaust fan, 053 ... Dustproof filter mounting part, 054 ... Bottom surface, 055 ... Drain Hole, 061 ... Knurled screw, 062 ... Washer, 063 Packing, 064 ... bracket flange, 065 ... weld nut, 121, 122 ... outside air uptake opening.

Claims (4)

An opening for taking in outside air into the inside of a case installed outdoors and / or an inside air discharge opening for discharging air inside the case to the outside of the case, the opening A gallery main body frame comprising a plurality of louver pieces, each louver piece having a louver arranged and fixed so as to be inclined so that the outside air side is lowered,
A filter cassette that is attached to the gallery main body frame via a detaching mechanism and includes a filter mounting portion for mounting a draining filter and a dustproof filter;
A drainage filter mounted on a side close to the louver in the filter mounting portion of the filter cassette, and a dustproof filter mounted on a filter mounting portion between the drainage filter and the inside of the housing;
Gallery equipped with.   The removing mechanism forms a cassette side mounting portion at least in a vertical position of the filter cassette, and forms a main body frame side mounting portion at a position corresponding to the cassette side mounting portion in the gallery main body frame, 2. The gallery according to claim 1, wherein the gallery comprises a screw body that is rotatably provided through the cassette side mounting portion and the main body frame side mounting portion, and a nut that is screwed onto the screw body.     Forming a drainage channel on a bottom surface of the filter cassette facing the lower end surface of the drainage filter, and a drainage channel having an inclined surface that is lower on the louver side on the bottom surface of the gallery body frame facing the drainage channel. The gallery according to claim 1, wherein the gallery is formed.     The gallery according to claim 1, further comprising forced ventilation means in the housing.

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