JP3097473B2 - Outdoor switchboard - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor switchboard for use in a light switchboard or the like used on a highway, which prevents rainwater from entering the main body.

[0002]

2. Description of the Related Art A conventional outdoor switchboard is shown in FIGS.
It has a configuration shown in FIG. In these figures, reference numeral 1 denotes an outdoor switchboard main body having an opening on the front surface, 2 denotes a door whose front opening is openably closed, and 3 denotes a plurality of openings formed at the center of the front surface of the door 2. .

[0003] 4 is an electronic cooling element provided in each opening 3, 5 is in contact with the cooling surface of each element 4, cooling fins located in the main body 1, 6 is a cooling fin provided in the vicinity of the cooling fins 5 Fans 7 are radiating fins that are in contact with the heat radiating surface of each element 4 and are located outside the main body 1, 8 is a radiating fan provided near the radiating fin 7, 9 is an element 4, a cooling fin 5, and a radiating fin 7. Electronic cooling device.

[0004] Reference numeral 10 denotes an upper frame of the main body 1, 11 denotes an inner ceiling plate provided on the upper frame 10 via a support table 12, 13 denotes a support plate mounted on the upper surface of the inner ceiling plate 11, and 14 denotes a lower end portion. Inverted L-shaped supports mounted on the front and rear portions of the support plate 13, respectively, a pipe 15 mounted on the outer surface of each of the supports 14, and a front and rear edge 16 of the support 14 The outer ceiling plates 17 and 18 mounted on the upper part of the main body 1 and the support 14
These are decorative panels provided on both sides.

When the elements 4 are energized, the cooling fins 5 are cooled and absorb heat, and the heat due to the heat absorption and power consumption is radiated from the radiating fins 7, and the radiated air is radiated by the radiating fan 8. Forced convection is performed, and the air in the main body 1 is cooled.

[0006]

In the case of the conventional outdoor switchboard, since the electronic cooling device 9 is provided on the front surface of the door 2, the heat in the upper portion of the main body 1 is not cooled, and the inside of the main body 1 is not cooled. There is a problem that cooling is not uniform, cooling efficiency is poor, and the radiation fins 7 protrude out of the main body 1 to deteriorate the appearance.

For this reason, it is conceivable to provide the electronic cooling device 9 in an empty space in the ceiling of the main body 1. However, the air inlet and exhaust ports of the electronic cooling device 9 and the internal cooling air for cooling the air inside the main body 1 are considered. The opening of the ceiling plate 11 is required, and the rainwater from the intake port and the exhaust port passes through the opening of the inner ceiling plate 11 and the main body 1
There is a problem of invading inside.

In the present invention, the above points are taken into consideration, and the upper part of the main body is cooled to uniformly cool the inside of the main body, thereby improving the cooling efficiency, improving the aesthetic appearance, and entering rainwater into the main body. It is an object of the present invention to provide an outdoor switchboard capable of preventing the occurrence of a power failure.

[0009]

In order to solve the above-mentioned problems, an outdoor switchboard of the present invention is provided with an upper frame of an outdoor switchboard main body and a support base on the upper frame, and has a downwardly extending side on both sides. An inner ceiling plate formed with bent pieces, an outer ceiling plate provided above the inner ceiling plate, side plates respectively attached to both side surfaces of the upper frame, and an opening formed in the inner ceiling plate, a support plate mounted through a packing to the periphery of the opening of the upper surface of the inner ceiling plate, a plurality of cases that were kicked Installing the support plate, each Ke
An electronic cooling device is radiation fins in the over scan was located, and the cooling fins of the inserted cooling device from the opening of the inner ceiling plate in the body, a front surface and a rear surface which is formed in inlet and outlet of the casing A rain shield plate provided outside each of the intake port and the exhaust port; a plurality of drain holes formed outside the packing below the rain shield plate on the support; an inner ceiling plate and a side plate A water receiver in the front-rear direction provided between the water receiver and the water receiver, a receiving part which is located below the bent piece of the inner ceiling plate and is inclined rearward, and an inner edge of the receiving part. An inner edge portion formed by being bent upward and located inside the bent piece, and an outer edge portion formed by being bent downward from the outer edge of the receiving portion and overlapping the upper portion of the outer surface of the side plate. Things.

[0010]

The outdoor switchboard of the present invention configured as described above is provided with an inner ceiling plate having bent pieces formed on both sides downward on both sides of a support board on an upper frame of the outdoor switchboard body, An opening is formed in the inner ceiling plate, a support plate is provided via packing on a peripheral portion of the opening on the upper surface of the inner ceiling plate, and a plurality of cables are provided in the support plate.
Attaching a scan, so that the electronic cooling device radiating fin is positioned in each case provided, the inlet and exhaust ports are formed on the front and rear faces of the case, inserting the cooling fins from the opening in the ceiling plate in the body As a result, the heat in the upper part of the main body is absorbed by the cooling fins, the amount of heat absorbed is dissipated by the radiating fins, the radiated air is forcedly convected from the intake port to the exhaust port, and the upper part in the main body is cooled and Is uniformly cooled, and the air in the main body is efficiently cooled. Moreover, the radiation fins do not protrude out of the main body, and the appearance is improved.

[0011] Further, a rain shield plate is provided outside each of the intake port and the exhaust port of the case , and a plurality of drain holes are formed at positions on the support plate outside the packing below the rain shield plate. An inner rim located below the bent piece of the inner ceiling plate and inclined backward and formed inside the bent piece in the water receiver provided between the plate and the side plate The upper part is bent upward from the inner edge of the receiving part, and the outer edge that overlaps the upper part of the outer surface of the side plate on both sides of the upper frame is bent downward from the outer edge of the receiving part. The infiltrated rainwater hits the rain shield plate, flows from the drain hole to the receiving part of the water receiver through the bent piece of the inner ceiling plate, and the rainwater in the receiving part is prevented from flowing inward by the inner edge, and the receiving part From the receiving portion to the side plate through the outer edge portion, thereby preventing rainwater from entering the main body.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment will be described with reference to FIGS. In these figures, the same reference numerals as those in FIGS. 7 to 9 indicate the same or corresponding elements. 19 is an outdoor switchboard main body having an opening on the front, 20 is a double door that closes the front opening so that it can be opened and closed, 21 is an upper frame of the main body 19, 22 is provided on the upper frame 21, and a support stand inclined backward. , 23 are inner ceiling plates mounted on the upper surface of the support base 22, 2
Reference numeral 4 denotes a bent piece formed by bending the inner ceiling plate 23 downward and forward and backward and left and right, 25 denotes an opening formed in the inner ceiling plate 23, 26
Is an annular body provided along the periphery of the opening 25.

Reference numeral 27 denotes a support plate mounted on the upper surface of the annular body 26 via a packing 28, 29 denotes a protrusion formed at the center of the support plate 27 so as to protrude upward, and 30 denotes a protrusion formed at the protrusion 29. The mounting holes 31 are two mounting hardwares in the left-right direction mounted on the front and rear of the protruding portion 29, respectively, and 32 is a plurality of drain holes formed on the front and rear portions of the support plate 27, respectively.

Reference numeral 33 denotes a plurality of cases which are mounted on the mounting hardware 31 by bolts.
Are stored, and packing is interposed between the cases 33. Reference numerals 34 and 35 denote intake and exhaust ports formed on the front and rear surfaces of the case 33, respectively.
Two heat-dissipating fans 8 are provided behind the intake port 34,
The radiating fins 7 of the cooling device 9 are located behind the radiating fan 8, the electronic cooling elements 4 are located in the mounting holes 30 of the protruding portions 29, and the cooling fins 5 are located inside the main body 19 through the openings 25 of the inner ceiling plate 23. And is located within the body 19.

Numeral 36 denotes an inverted L-shaped support composed of a vertical plate and a horizontal plate.
The vertical plate is located outside the intake port 34 and the exhaust port 35 respectively. Reference numeral 37 denotes an insect repellent net attached to an opening formed in the support 36, reference numeral 38 denotes a rain shield plate attached to the lower edge of the insect repellent net 37, the tip of which is inclined outward and the drain hole 32 is provided. It is located above. 39 is a support 36 at the upper and lower ends
The cross-section mounted on the peripheral portion of the horizontal plate and the support plate 27 is a semicircular pipe, and covers the insect net 37 and the rain shield 38.

40 is a ventilation port formed in both pipes 39,
Reference numeral 41 denotes an outer ceiling plate mounted on the upper surface of the horizontal plate of the support 36 together with the pipe 39, and reference numeral 42 denotes a ceiling door covering an opening 43 formed on the front side of the outer ceiling plate 41.

Reference numeral 44 denotes a side plate mounted on both side surfaces of the upper frame 21 via packing 45, 46 denotes a long water receiver in front and rear,
47 is a band-shaped receiving portion formed on the water receiving body 46 and inclined rearward, 48 is an inner edge formed by bending upward from the inner edge of the receiving portion 47, and 49 is folded downward from the outer edge of the receiving portion 47. Outer edges 50 and 51 formed by bending are a front plate and a rear plate provided on the front and rear surfaces of the water receiver 46, respectively.

Reference numeral 52 denotes two mounting plates whose bases are mounted on the lower surface of the receiving portion 47, and whose tip portions project outward from the receiving portion 47. Numerals 53 denote insertion holes formed at the distal ends of the two mounting plates 52, respectively. The stud bolts 54 of the upper frame 21 are inserted into the insertion holes 53, nuts are screwed into the stud bolts 54, and the mounting plate 52 is , A water receiver 46 is provided between the inner ceiling plate 23 and the side plate 44,
The receiving portion 47 is located below the bent piece 24 of the inner ceiling plate 23,
The inner edge portion 48 is located inside the bent piece 24, and the outer edge portion 49 overlaps the upper portion of the outer surface of the side plate 44. Numerals 55 and 56 are decorative plates mounted on both side surfaces of the side plate 44 and the support 36, respectively.

When electricity is supplied to the electronic cooling element 4,
The cooling fins 5 located in the main body 19 are cooled and
Heat is absorbed by the upper air inside 9, the heat absorbed by the amount of heat absorbed and the power consumption is radiated from the radiating fins 7, and the radiated air is forcedly convected from the intake port 34 to the exhaust port 35 by the radiating fan 8 to be cooled. The air above the body 19 is
The air in the main body 19 is efficiently cooled by being circulated by a fan (not shown) in the inside.

Then, the rainwater that has entered through the ventilation openings 40 of both pipes 39 hits the rain shield plate 38, flows from the drain hole 32 through the bent piece 24 of the inner ceiling plate 23 to the receiving portion 47 of the water receiver 46, The rainwater in the receiving portion 47 is prevented from flowing inward by the inner edge portion 48, flows backward from the receiving portion 47, flows from the receiving portion 47 to the side plate 44 via the outer edge portion 49, and enters the main body 19. Rainwater is prevented from entering.

[0021]

Since the present invention is configured as described above, it has the following effects. The outdoor switchboard of the present invention is provided with an inner ceiling plate 23 having downwardly bent pieces 24 formed on both sides thereof via a support base 22 on an upper frame 21 of the outdoor switchboard body 19. An opening 25 is formed, a support plate 27 is provided on the upper surface of the inner ceiling plate 23 on the periphery of the opening 25 via a packing 28, a plurality of cases 33 are attached to the support plate 27, and a heat radiation filter is provided in each case 33.
The electronic cooling device 9 down 7 is positioned is provided, before the case 33
The cooling fins 5 are inserted into the main body 19 from the opening 25 of the inner ceiling plate 23 by forming the intake port 34 and the exhaust port 35 on the surface and the rear surface. The heat is absorbed, the heat absorption is dissipated by the radiating fins 7, the radiated air is forcibly convected from the intake port 34 to the exhaust port 35, and the upper portion of the main body 19 is cooled to uniformly cool the inside of the main body 19. 19 can be cooled efficiently. In addition, the projection of the heat radiation fins 7 out of the main body 19 can be eliminated, and the appearance can be improved.

Further, a rain shield plate 38 is provided outside the intake port 34 and the exhaust port 35 of the case 33 , respectively.
A plurality of drain holes 32 are formed at positions outside the packing 28 below the rain shield plate 38, and a water receiver 46 provided between the inner ceiling plate 23 and the side plate 44 is provided with an inner ceiling. An inner edge portion 48 is formed below the bent piece 24 of the plate 23 and forms a receiving portion 46 which is inclined rearward, and is located inside the bent piece 24.
Is bent upward from the inner edge of the receiving portion 47, and the upper frame 21 is formed.
Outer edge 4 overlapping the outer surface of the side plate 44 on both sides
9 is formed by bending downward from the outer edge of the receiving portion 47,
Rainwater that has entered from outside hits the rain shield plate 38 and the drain holes 32
Flows through the bent piece 24 of the inner ceiling plate 23 to the receiving portion 47 of the water receiving body 46, the inner edge 48 prevents the rainwater from flowing into the receiving portion 47, and flows backward from the receiving portion 47.
The water flows from the receiving portion 47 to the side plate 44 via the outer edge portion 49, so that rainwater can be prevented from entering the main body 19.

[Brief description of the drawings]

FIG. 1 is a right side cutaway view of a main part according to an embodiment of the present invention.

FIG. 2 is an overall front view of one embodiment of the present invention.

FIG. 3 is a cutaway front view of FIG. 2;

4A and 4B are a perspective view and a cutaway front view of a part of FIG.

FIG. 5 is a cutaway front view of another part of FIG. 1;

6A and 6B are a plan view of still another part of FIG. 1 and a front view of A.

FIG. 7 is a front view of a conventional example.

8A and 8B are a right side view of FIG. 7 and a cut right side view of A. FIG.

FIG. 9 is a right side view, partially cut away, of FIG. 7;

[Explanation of symbols]

 Reference Signs List 5 cooling fin 7 radiating fin 9 electronic cooling device 19 outdoor switchboard 21 upper frame 22 support stand 23 inner ceiling plate 24 bent piece 25 opening 27 support plate 28 packing 32 drain hole 34 intake port 35 exhaust port 38 rain shield plate 41 outside Ceiling plate 44 Side plate 46 Water receiver 47 Receiver 48 Inner edge 49 Outer edge

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H02B 1/56 H02B 1/28 H05K 5/02 H05K 7/20 F25B 21/02

Claims (1)

(57) [Claims] 1. An upper frame of an outdoor switchboard main body, an inner ceiling plate provided on the upper frame via a support, and having bent pieces formed on both sides downward, and an upper frame above the inner ceiling plate. An outer ceiling plate provided, side plates respectively mounted on both side surfaces of the upper frame, an opening formed in the inner ceiling plate, and a packing on a peripheral portion of the opening on the upper surface of the inner ceiling plate. And a plurality of cases attached to the support plate, an electronic cooling device in which radiating fins are located in each case, and a case inserted into the main body through an opening of the inner ceiling plate. the cooling fins of the cooling device, an intake port and an exhaust port formed in the front surface and the rear surface of the case, and rain shield plate respectively provided on the outer side of the intake port and the exhaust port, of the support plate, A plurality of plies formed at positions outside the packing below the rain shield A water hole, a water receiver in the front-rear direction provided between the inner ceiling plate and the side plate, formed in the water receiver, located below a bent piece of the inner ceiling plate, and A receiving portion inclined rearward, formed by bending upward from an inner edge of the receiving portion, and formed by bending downward from an outer edge of the receiving portion and an inner edge positioned inside the bent piece; And an outer edge portion overlapping an outer surface of the side plate.