JP2012230940A - Heating element housing box cooling device, and electronic apparatus mounted with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent noise from being generated by changing an arrangement and shape of each component and further enable the change of the arrangement of a noise generation source according to the situation of a site.SOLUTION: A heating element housing box cooling device has: a first ventilation path 7 provided at a primary side of a condenser 2 viewed from a ventilation direction; a second ventilation path 8 arranged at a secondary side; a first insulating plate 9 and a second insulating plate 10 provided inside the first ventilation path 7 and a third insulating plate 23 and a fourth insulating plate 24 provided inside the second ventilation path 8 at a top surface side and a bottom surface side respectively so that the ventilation direction becomes an S shape; and an outdoor blower 6 arranged between the second insulating plate 10 and the condenser 2 or between the fourth insulating plate 24 and the condenser 2. By such a constitution, the noise generated in the outdoor blower 6 is insulated by the first insulating plate 9, the second insulating plate 10, the third insulating plate 23, and the fourth insulating plate 24, thereby the heating element housing box cooling device which prevents the noise from emitting to the outside can be obtained.

Description

  The present invention relates to a heating element storage box cooling device that dissipates heat of a high-temperature medium by boiling and evaporating a refrigerant with the heat of the high-temperature medium, and then condensing liquid.

  This kind of heating element storage box cooling device is used for cooling inside a sealed storage box including an electronic component or the like that generates heat inside a base station of a mobile phone.

  In recent years, higher performance of electronic components and higher density of electronic components with respect to the control board have progressed, the amount of heat generated from the control board has increased dramatically, and the storage boxes for electronic components etc. have also become smaller, cooling There is a demand for higher performance and downsizing of equipment, and improved flexibility in layout that can be installed on either the side or top surface of a storage box for electronic components and the like. For this reason, a cooling method using a heat pipe is known as a cooling method with few components and a large amount of heat transfer (for example, Patent Document 1).

  However, in the heat pipe, the refrigerant vapor that rises by boiling and the refrigerant liquid that condensates and descends move in the same pipe, so that there is a problem that the refrigerant circulation efficiency and the refrigerant circulation efficiency deteriorate and the heat exchange efficiency deteriorates. is there. Therefore, a refrigerant vapor pipe that separates the evaporator in which the refrigerant evaporates and the condenser in which the refrigerant condenses into liquid and connects the evaporator and the condenser so that the refrigerant boiled and evaporated in the evaporator moves to the condenser. Then, since the refrigerant condensed and liquefied in the condenser moves to the evaporator, it is possible to efficiently dissipate heat by circulating a refrigerant by forming a refrigerant circuit with a refrigerant liquid pipe that connects the condenser and the evaporator. A boiling cooling device is known (for example, Patent Document 2).

  Hereinafter, a conventional boiling cooling apparatus will be described with reference to FIG.

  As shown in FIG. 11, the boiling cooling device 101 is divided by a partition plate 106 so that the high temperature portion 103 through which the high temperature air 102 passes is at the lower portion and the low temperature portion 105 through which the low temperature air 104 passes is at the upper portion. It is provided inside the partitioned main body box 107. In the high temperature portion 103, an evaporator 109 in which a refrigerant 108 is sealed is disposed. The evaporator 109 receives heat from the high-temperature air 102, and the refrigerant 108 is boiled and evaporated inside. A condenser 110 communicating with the evaporator 109 is disposed in the low temperature portion 105. In the condenser 110, the refrigerant 108 boiled and evaporated in the evaporator 109 dissipates heat to the low-temperature air 104 to be condensed and liquefied. The evaporator 109 and the condenser 110 communicate with each other through a refrigerant vapor pipe 111 and a refrigerant liquid pipe 112 that penetrate the partition plate 106. Moreover, the indoor side air blower 113 which ventilates the high temperature air 102 to the high temperature part 103, and the outdoor side air blower 114 which ventilates the low temperature air 104 to the low temperature part 105 are provided. According to such a configuration, the refrigerant 108 boiled and evaporated in the evaporator 109 moves through the refrigerant vapor pipe 111 from the evaporator 109 to the condenser 110 due to the density difference, and is condensed and liquefied in the condenser 110. However, due to the density difference, the refrigerant 110 moves from the condenser 110 to the evaporator 109 through the refrigerant liquid pipe 112. In this way, the refrigerant 108 circulates naturally, and the heat of the high temperature air 102 is dissipated to the low temperature air 104.

JP-A-60-113498 JP-A-9-326582

  In such a conventional heating element storage box cooling device, since the installation space is limited, it is necessary to increase the air volume in order to improve the processing capacity, but since the fan space is also limited, the rotational speed of the fan is reduced. As a result, there is a problem that noise is generated.

  This invention solves such a subject, and it aims at reducing noise by changing a wind path shape.

In order to achieve this object, the present invention provides a plate-shaped condenser on the upper side of the partition plate with the top surface of the heating element storage box as a partition plate, and a plate-like evaporation on the lower side of the partition plate. A condenser, and the condenser and the evaporator are connected by a refrigerant liquid pipe and an evaporator pipe to constitute a refrigerant cycle,
An outdoor fan is installed in front of or behind the condenser,
The first shielding plate and the second shielding plate are provided inside the first ventilation path provided before and after the condenser, and the third and fourth shielding plates are meandered in the second ventilation path so that the ventilation directions meander. This is a heating element storage box cooling device provided inside the ventilation path in a direction perpendicular to the ventilation direction.

  ADVANTAGE OF THE INVENTION According to this invention, the noise which generate | occur | produces from an outdoor air blower can be prevented by providing a sound insulation board in the ventilation path of the primary side secondary side of a condenser.

Heating element storage box cooling device side view of the present invention The heating element storage box cooling device silencer pasting explanation Explanatory drawing of the heating element storage box cooling device ventilation path desorption part Explanatory drawing of the heat shield box cooling device through shield plate attachment / detachment part Additional heating element storage box cooling device guide plate Explanatory drawing of drainage hole for cooling device storage box cooling device The heating element storage box cooling device draining filter explanatory drawing Explanatory drawing of conventional heating element storage box cooling device (a) side sectional view (b) front sectional view

The heating element storage box cooling device of the present invention uses a top plate of the heating element storage box as a partition plate, a plate-like condenser is provided above the partition plate, and a plate-like evaporator is provided below the partition plate. The condenser and the evaporator are connected by a refrigerant liquid pipe and an evaporation pipe to constitute a refrigerant cycle,
An outdoor fan is installed in front of or behind the condenser,
The first shielding plate and the second shielding plate are provided inside the first ventilation path provided before and after the condenser, and the third and fourth shielding plates are meandered in the second ventilation path so that the ventilation directions meander. By providing the inside of the ventilation path in the direction perpendicular to the ventilation direction, it is possible to obtain a heating element storage box cooling device in which noise generated from the outdoor blower is reduced.

  In addition, a heating element storage box cooling device can be obtained in which a silencer is attached to the inner wall surfaces of the first ventilation path and the second ventilation path, and the noise generated from the outdoor fan is further reduced.

  Moreover, the said 1st ventilation path and 2nd ventilation path are detachable, and the heat generating body storage box cooling device which becomes easy to maintain in an air blower and a ventilation path can be obtained.

The first shielding plate provided in the first ventilation path, the second shielding plate, the third shielding board provided in the second ventilation path, and the fourth shielding board are detachable, and noise reduction is necessary. It is possible to obtain a heating element storage box cooling device that can improve the capacity in the field and reduce the power consumption of the blower.

  In addition, a guide plate arranged so as to block the corner portion of the air passage bending portion of the first air passage and the second air passage is provided, and the rotational speed of the blower can be reduced by reducing the air passage resistance. A heating element storage box cooling device that can be obtained can be obtained.

  Also, there is provided a heating element storage box cooling device in which a drain hole and a drain path are provided at a bottom portion of the first ventilation path and the second ventilation path located above the partition plate, and water does not accumulate in the ventilation path. Can be obtained.

  Further, in the first ventilation path and the second ventilation path, a drainage filter is provided in the ventilation section so as to connect the end of the shielding plate, and a heating element storage box cooling device capable of preventing water from entering is obtained. Can do.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
FIG. 1 shows a side view of the heating element housing box cooling apparatus according to the first embodiment.

  As shown in FIG. 1, the heating element storage box cooling device is installed on the top surface of a sealed heating element storage box including an electronic component that generates heat, such as a mobile base station, and has an indoor fan 15 and an outdoor unit. The blower 6 blows air so that high temperature air and low temperature air face each other.

  As shown in FIG. 1, in the heating element storage box cooling device, a high temperature portion 11 storing a functional operation unit 14 through which high temperature air is ventilated is provided at a lower portion, and a low temperature portion 12 such as a cooling unit storage chamber through which low temperature air is provided. It arrange | positions in the main body case 13 partitioned off by the partition plate 1 so that it may become upper part. The evaporator 3 is disposed in the high-temperature portion 11, and the evaporator 3 is disposed to be inclined backward (or forwardly inclined) with respect to the ventilation direction, and a refrigerant (for example, R134a) is enclosed therein, so that the hot air Receives heat and evaporates at the boiling point. The condenser 2 is disposed in the low temperature portion 12, and the condenser 2 communicates with the evaporator 3 and is inclined in the same direction as the evaporator 3, and the vapor of the evaporated refrigerant evaporates heat to the low temperature air. To condense and liquefy. The liquid pipe 4 passes through the partition plate 1 and communicates the evaporator 3 and the condenser 2. Further, the steam pipe 5 is connected to the evaporator 3 and the condenser 2 through the partition plate 1.

  Moreover, the 1st ventilation path 7 is provided in the upstream of the condenser 2 seeing from the ventilation direction, and the 2nd ventilation path 8 is arrange | positioned in the downstream. The first shielding plate 9 and the second shielding plate 10 are disposed inside the first ventilation path 7, and the third shielding plate 23 and the fourth shielding plate 24 are disposed in the second ventilation path 8 so that the ventilation direction is S-shaped. The outdoor fan 6 is provided on the top and bottom surfaces, and is disposed between the second shielding plate 10 and the condenser 2 or between the fourth shielding plate 24 and the condenser 2.

  With this configuration, as shown in FIG. 1, noise generated by the outdoor fan 6 is blocked by the first shielding plate 9, the second shielding plate 10, the third shielding plate 23, and the fourth shielding plate 24. Thus, a heating element storage box cooling device that prevents noise from being released to the outside can be obtained.

(Embodiment 2)
In the second embodiment of the present invention, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 2 shows a schematic side sectional view of the heating element storage box cooling device of the second embodiment.

As shown in FIG. 2, noise generated by the outdoor blower 6 is absorbed by the silencer 16 by attaching a silencer 16 such as glass wool on the inner walls of the first and second ventilation paths 7 and 8. Thus, it is possible to obtain a heating element storage box cooling device that reduces noise emission to the outside.

(Embodiment 3)
In the third embodiment of the present invention, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 3 shows a schematic side sectional view of the heating element storage box cooling device of the third embodiment.

  As shown in FIG. 3, the 1st ventilation path 7 and the 2nd ventilation path 8 are unitized, respectively, and each is being fixed by the detachable fastening method, such as the 1st screw 27, The 1st ventilation path 7 is Divided by a first dividing line 25 provided between the liquid pipe 4 and the outdoor fan 6, the second ventilation path 8 is divided by a second dividing line 26 provided between the steam pipe 5 and the fourth shielding plate 24. With this configuration, it is possible to obtain a heating element storage box cooling device that facilitates maintenance of the outdoor fan 6, the first ventilation path 7, and the second ventilation path 8 without removing the heating element storage box cooling apparatus main body. .

(Embodiment 4)
In the embodiment of the present invention, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 4 is a schematic side sectional view of the heating element storage box cooling device of the fourth embodiment.

  As shown in FIG. 4, the first shielding plate 9, the second shielding plate 10, and the third shielding plate 23 and the fourth shielding plate 24 provided in the second ventilation path 8 are provided in the first ventilation path 7. It is a detachable configuration by fixing it with a detachable fastening method such as the second screw 28, and it is possible to improve the capacity by increasing the air volume at the site where noise reduction is not necessary, or to reduce the power consumption of the blower by maintaining the current capacity The heating element storage box cooling device can be obtained.

(Embodiment 5)
In the embodiment of the present invention, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 5 shows a schematic side sectional view of the heating element storage box cooling device of the seventh embodiment.

  As shown in FIG. 5, a guide plate 17 is provided so as to block the corners at the corners of the air passage bent portions of the first air passage 7 and the second air passage 8, and by reducing the air passage resistance, A heating element storage box cooling device capable of reducing the rotational speed of the blower can be obtained.

(Embodiment 6)
In the embodiment of the present invention, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 6 shows a schematic side sectional view of the heating element storage box cooling apparatus of the sixth embodiment.

  As shown in FIG. 6, a drain hole 18 and a drain path 22 are provided in the bottom portion of the first ventilation path 7 and the second ventilation path 8 located above the partition plate 1, and water is collected in the ventilation path. There can be obtained no heating element storage box cooling device.

(Embodiment 7)
In the embodiment of the present invention, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  FIG. 7 shows a schematic side sectional view of the heating element storage box cooling device of the seventh embodiment.

  As shown in FIG. 7, in the 1st ventilation path 7 and the 2nd ventilation path 8, the edge part of the 1st shielding board 9, the 2nd shielding board 10, the 3rd shielding board 23, and the 4th shielding board 24 is connected. In addition, a drainage filter 19 is provided in the ventilation section, and a heating element storage box cooling device that can prevent water from entering can be obtained. In addition, the infiltration effect of water can be improved by reducing the pool of water to the draining filter 19 by attaching the draining filter 19 at an angle.

  The heating element storage box cooling device of the present invention is useful as a heating element storage box cooling device for preventing noise generation due to an increase in the air volume for the purpose of improving heat exchange capacity.

DESCRIPTION OF SYMBOLS 1 Partition plate 2 Condenser 3 Evaporator 4 Liquid pipe 5 Steam pipe 6 Outdoor fan 7 1st ventilation path 8 2nd ventilation path 9 1st shielding board 10 2nd shielding board 11 High temperature part 12 Low temperature part 13 Main body case 14 Functional operation | movement Part 15 Indoor blower 16 Silencer 17 Guide plate 18 Drainage hole 19 Drain filter 22 Drainage path 23 Third shielding plate 24 Fourth shielding plate 25 First division line 26 Second division line 27 First screw 28 Second screw

Claims (8)

Using the top of the heating element storage box as a partition plate,
A plate-like condenser is provided on the upper side of the partition plate,
A plate-like evaporator is provided below the partition plate,
A condenser and an evaporator are connected by a refrigerant liquid pipe and an evaporator pipe to form a refrigerant cycle,
Install a blower in front of or behind the condenser,
The first ventilation path formed on the upstream side of the condenser and the second ventilation path formed on the downstream side of the condenser have a plurality of shielding plates so that each ventilation path has an S-shape that meanders up and down. Heating element storage box cooling device provided with The heating element storage box cooling device according to claim 1, wherein a sound deadening material is attached to the inner walls of the first and second ventilation paths. The heating element storage box cooling device according to claim 1 or 2, wherein the first ventilation path and the second ventilation path are detachable. The heating element storage box cooling device according to claim 1, wherein a plurality of shielding plates provided inside the first ventilation path and the second ventilation path are detachable. 5. The heating element storage box cooling device according to claim 1, further comprising a guide plate disposed at a corner portion of the air passage bending portion of the first air passage and the second air passage so as to close the corner portion. The heating element storage box cooling device according to claim 1, wherein a drainage hole and a drainage path are provided at a bottom portion of the first ventilation path and the second ventilation path located above the partition plate. 7. The heating element storage box cooling device according to claim 1, wherein in the first ventilation path and the second ventilation path, a water draining filter is provided at least on the inflow side in the ventilation section so as to connect an end portion of the shielding plate. A main body case having a functional operation unit storage chamber and a cooling unit storage chamber, a functional operation unit stored in the functional operation unit storage chamber in the main body case, an indoor fan, and the cooling unit storage chamber in the main body case And an outdoor fan housed in the electronic device, wherein the cooling device according to any one of claims 1 to 7 is arranged in the cooling unit housing chamber.

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