JP6570293B2 - Panel cooling system - Google Patents

Description

  The present invention relates to a panel cooling device for cooling an internal device stored in an electric device storage box.

  In the storage box for electrical equipment such as switchboards, distribution boards, and communication boards, a panel cooling device that radiates heat using a heat exchange part such as a heat sink and a fan to prevent the temperature inside the panel from rising due to heat generated by internal equipment. Is provided. Further, as a panel cooling device, a Peltier-type panel cooling device that uses a Peltier module to perform cooling is also widely used (Patent Document 1).

  The internal device stored in the electric device storage box is generally an AC input. On the other hand, the Peltier module used in the panel cooling device is driven by a DC input. Therefore, an AC-DC converter as a power source is built in the panel cooling device. This power supply unit is usually arranged at the upper part of the control unit that controls the operation of the panel cooling apparatus or at the lower end part of the panel cooling apparatus. Here, as the cooling capacity required for the panel cooling device increases, the number of heat exchange units and fans increases, and accordingly, the number and size of the power supply units and control units also increase. Therefore, when the power supply unit is arranged at the above-described position, there is a problem that the panel cooling device is enlarged. Similarly, since a space for installing the control unit is also necessary, there is a problem that the space in the panel cooling device is compressed.

JP-A-2005-155983

  The object of the present invention is to solve the above-described conventional problems, and even when the number and size of power supply units and control units increase, these can be arranged in a space-saving manner, thereby enabling the overall size to be reduced. It is to provide a panel cooling device.

The present invention made to solve the above problems is a panel cooling device provided with a heat exchanging part and a fan on each of the heat dissipation side and the heat absorption side, and at least one of the heat dissipation side or the heat absorption side includes the above-mentioned It is assumed that a plurality of fans are provided in the vertical direction or the left-right direction, and at least one of a power supply unit of the panel cooling device or a control unit that controls the operation of the panel cooling device is disposed between the plurality of fans, and the heat One side of the box-shaped cover covering the replacement part is formed with an opening facing the fan or through the fan, and the other side is formed with an intake hole or an exhaust hole, and the power supply part Alternatively, a regulating piece for preventing the power supply unit or the control unit from being touched is formed on the surface of the control unit facing the intake hole or the exhaust hole.

  According to a second aspect of the present invention, in the panel cooling device according to the first aspect, the power supply unit or / and the control unit is placed at a front or rear position of the heat exchange unit. .

  The invention according to claim 3 is the panel cooling device according to claim 2, wherein a plurality of heat exchanging portions are arranged adjacent to each other in the vertical direction or the horizontal direction on the heat radiation side and the heat absorption side, and one fan is provided. It is placed at the front or rear position of one heat exchange part, and further, the power supply part or / and the control part is fixed so as to straddle between the heat exchange parts arranged adjacent to each other.

According to the panel cooling apparatus of the present invention, at least one of the heat dissipation side or the heat absorption side is provided with a plurality of fans in the vertical direction or the horizontal direction, and at least the power supply unit or the control unit is interposed between the plurality of fans. Either one is arranged. Thereby, the dead space between the plurality of fans can be used as the installation space for the power supply unit or the control unit. Therefore, even when the number and size of the power supply units and control units increase, they can be arranged in a space-saving manner, and the overall size of the panel cooling device can be reduced. In addition, since the restriction piece for preventing the power supply unit and the control unit from being touched is formed, even when a human finger enters the intake hole or the exhaust hole, it is possible to prevent the power supply unit or the control unit from being touched. In addition, since the restriction piece is formed so as to straddle the heat exchanging portion, it also serves as a position restriction for the power supply portion and the control portion.

  As in the invention according to claim 2, the power supply unit or / and the control unit is placed at the front or rear position of the heat exchange unit. More specifically, as in the invention according to claim 3, a plurality of heat exchanging portions are arranged adjacent to each other on the heat radiating side and the heat absorbing side in the vertical direction or the horizontal direction, and one fan is exchanged with one heat. The power supply unit or / and the control unit is fixed so as to straddle between adjacent heat exchange units. Thereby, it becomes possible to promote the heat radiation from a power supply part or a control part by a heat exchange part.

It is a perspective view which shows the board cooling device of this embodiment. It is a disassembled perspective view which shows the board cooling device of this embodiment. It is a side view of a cooling device main body. It is a disassembled perspective view of a cooling device main body. It is a front view of a cooling device main body. It is the side view which omitted the filter in the panel cooling device of this embodiment.

Preferred embodiments of the present invention are shown below. In the present specification, the up / down / left / right / front / rear directions refer to the directions shown in FIG. 1. Specifically, the up / down direction is the longitudinal direction of the casing, the left / right direction is the width direction of the casing, and the front / back direction is the casing direction. It is the depth direction.
The board cooling device of the present invention shown in FIG. 1 is a Peltier-type board cooling device, as shown in FIG. 2, a cooling device main body 1, a box-shaped front cover 2a covering the cooling device main body 1, and a rear surface. And a side cover 2b. As shown in FIG. 3, the cooling device body 1 is partitioned into a panel outer side and a panel inner side by a partition plate 3. The outside of the panel is the heat dissipation side, and the inside of the panel is the heat absorption side. A Peltier module composed of a Peltier element (not shown) is provided at a substantially central portion of the partition plate 3. Further, as shown in FIG. 4, a plurality of heat sinks 4 as heat exchange portions are provided adjacent to each other in the vertical direction on the heat radiation side and the heat absorption side of the cooling device main body 1. The heat sink 4a on the heat dissipation side has a larger size than the heat sink 4b on the heat absorption side, thereby enhancing the cooling effect.

  As shown in FIG. 3 and FIG. 4, a fan 5 is provided on the heat dissipation side and the heat absorption side of the cooling device body 1 to promote the heat dissipation and heat absorption effects of the heat sinks 4 a and 4 b. More specifically, each fan 5 is provided in front of the heat sink 4a on the heat dissipation side and behind the heat sink 4b on the heat absorption side. It was assumed that the fan 5 was placed. Note that the fan 5 may be provided at the top, bottom, left, and right positions of the heat sink 4, and the two fans 5 may be placed in front of or behind the one heat sink 4. Furthermore, in the present embodiment, a plurality of heat sinks 4 and fans 5 are arranged adjacent to each other in the vertical direction, but may be arranged adjacent to each other in the horizontal direction, for example.

  As shown in FIG. 5, the cooling device main body 1 is provided with a power supply unit 6 for driving the Peltier module. In the present embodiment, the power supply unit 6 is an AC-DC converter. While the Peltier module or the like is driven by direct current input, the internal device housed in the electrical device storage box is alternating current input. Thus, the AC-DC converter is provided in the panel cooling device. Further, the power supply unit 6 is arranged between a plurality of fans 5 and 5 provided in the vertical direction.

  With the above configuration, a dead space between a plurality of fans 5 and 5 provided in the vertical direction can be used as an installation space for the power supply unit 6. Therefore, even when the number and size of the power supply units 6 are increased, they can be arranged in a space-saving manner, and the overall size of the panel cooling device can be reduced.

  As shown in FIG. 4, the fan 5 is directly mounted on the heat sink 4 via a fan mounting bracket 8 in which openings 9 are formed in the vertical, horizontal, and longitudinal directions. Thereby, the fan mounting bracket 8 itself also functions as a heat exchange part. The opening 9 is formed at a position corresponding to intake and exhaust holes 10 and 11 formed in the front cover 2a and the back cover 2b described later.

  As described above, one fan 5 is placed at the front or rear position of one heat sink 4 via the fan mounting bracket 8. Furthermore, the power supply unit 6 is fixed at the front position of the heat sink 4 by being fixed so as to straddle between the heat sinks 4 and 4 adjacently arranged in the vertical direction. With such a configuration, the heat sink 4 can promote heat dissipation from the power supply unit 6. In addition, since the plurality of fans 5 and the power supply unit 6 are arranged on the same straight line as described above, there is an effect that the casing width of the panel cooling device can be reduced.

  As shown in FIG. 3, when the temperature in the panel exceeds a threshold value, a control unit 7 for performing control such as driving the panel cooling device and setting the threshold value is provided at the upper part of the cooling device main body 1. Is provided. In addition, the wiring accommodating part 17 for accommodating wiring, such as the power supply part 6, etc. shall be provided in the position under the control part 7, more specifically in the position above the fan 5 and in front of the heat sink. Thereby, dead space can be used effectively.

  As shown in FIGS. 1 and 2, the front cover 2 a and the back cover 2 b cover the heat sink 4, the power supply unit 6, the control unit 7, and the like to improve the scenery. An opening 18 facing the fan 5 is formed on the front surface of the front cover 2a, and an opening 12 through which the fan 5 is inserted is formed on the rear surface of the back cover 2b. Further, intake / exhaust holes 10 are formed on the left and right side surfaces of the front side cover 2a, and intake / exhaust holes 11 are formed on the left and right side surfaces of the back side cover 2b. The louver 13 is detachably provided in the opening 18 of the front cover 2a, and the filter 14 is provided in the intake / exhaust hole 10. The intake / exhaust hole 11 is formed in a groove shape. Note that a louver may be detachably or integrally provided in each of the intake and exhaust holes 10 and 11. In the present embodiment, the heat radiating side on which the front cover 2a is formed takes in air outside the panel from the intake / exhaust hole 10 and exhausts it from the opening 18 again through the heat radiating side heat sink 4a through the opening 18 to the outside of the panel. Structure. Similarly, the heat absorption side where the back side cover 2b is formed has a structure in which the air in the panel is taken in through the intake / exhaust holes 11 and is discharged again from the opening 12 into the panel by the fan 5 through the heat absorption side heat sink 4b. In this embodiment, the openings 12 and 18 are exhaust holes and the intake and exhaust holes 10 and 11 are intake holes. However, the openings 12 and 18 are used as intake holes and the intake and exhaust holes 10 and 11 are used as exhaust holes. It may be what you do.

  As shown in FIG. 4, the power supply unit 6 is placed at a front position of the fan mounting bracket 8 via the mounting unit 15. The attachment portion 15 has a substantially H-shape and includes a restriction piece 16 that faces the intake / exhaust hole 10 serving as an intake hole or an exhaust hole. As a result, as shown in FIG. 6 showing the state in which the filter 14 is removed, even when a human finger enters the intake / exhaust hole 10, it is possible to prevent the power supply unit 6 from being touched (see the shaded area). Further, since the restriction piece 16 is formed so as to straddle the heat sink 4, the restriction piece 16 also serves as a position restriction of the power supply unit 6. The restriction piece 16 can be formed integrally with the attachment portion 15 to simplify the attachment work. However, the restriction piece 16 may be formed separately.

  As described above, in this embodiment, the dead space between the plurality of fans 5 and 5 provided in the vertical direction is used as the installation space for the power supply unit 6, but the control unit 7 is replaced with the plurality of fans 5 instead of the power supply unit 6. 5 may be arranged between the two. Furthermore, both the power supply unit 6 and the control unit 7 can be disposed between the fans 5 and 5.

  In addition, although this embodiment is a cooling device for Peltier type panels, in addition to this, a pipe fin type heat exchanger composed of refrigerant pipes, tubes and fins may be provided on the heat radiation side or heat absorption side. There is no problem.

DESCRIPTION OF SYMBOLS 1 Cooling device main body 2a Front side cover 2b Rear side cover 3 Partition plate 4 Heat sink 5 Fan 6 Power supply part 7 Control part 8 Fan mounting bracket 9 Opening part 10 Intake / exhaust hole 11 Intake / exhaust hole 12 Opening part 13 Louver 14 Filter 15 Attachment part 16 Regulation Piece 17 Wiring storage part 18 Opening part

Claims (3)

A panel cooling device provided with a heat exchange section and a fan on each of the heat radiation side and the heat absorption side,
At least one of the heat dissipation side or the heat absorption side is provided with a plurality of the fans in the vertical direction or the horizontal direction,
Between these plurality of fans, at least one of a power supply unit of the panel cooling device or a control unit that performs operation control of the panel cooling device is disposed,
Further, one surface of the box-shaped cover that covers the outside of the heat exchange unit is formed with an opening facing the fan or through the fan, and the other surface is formed with an intake hole or an exhaust hole age,
A board cooling apparatus, wherein a restriction piece for preventing the power supply unit or the control unit from being touched is formed on a surface of the power supply unit or / and the control unit facing the intake hole or the exhaust hole.   2. The panel cooling apparatus according to claim 1, wherein the power supply unit or / and the control unit are placed at a front or rear position of the heat exchange unit. A plurality of heat exchanging portions are arranged adjacent to each other on the heat dissipation side and the heat absorption side in the vertical direction or the horizontal direction,
One fan is placed at the front or rear position of one heat exchanger,
3. The panel cooling apparatus according to claim 2, wherein the power supply unit or / and the control unit are fixed so as to straddle between the adjacent heat exchange units.

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