JP2000349485A - Heat radiating structure of communication apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To radiate effectively the heat inside a communication apparatus without increasing the dimensions of its housing and the radiator thereof, by providing solar batteries on its sun shades, and by providing on its one sun shade fans connected electrically with the solar battries. SOLUTION: Sun-shades 21 are so provided by joints 22 having high thermal conductivities on the side surfaces and top surface of a housing case 11 as to cover the surfaces therewith. Also, on one side surface of the housing case 11, a housing radiator portion 12 is provided to provide water resistant fans 3 on a sun shade 2 opposed to the one side surface of the housing case 11 whereon the housing radiator portion 12 is provided, and on the sun shades 21, solar battery panels are provided. Further, the water resistant fans 3 are connected electrically with the solar battery panels to operate the water resistant fans 3 by the power generated through the solar battery panels. Thereby, the heat inside a communication apparatus can be radiated efficiently without increasing the dimensions of its housing case 11 and the radiator 12 thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealed communication device installed outdoors and a heat radiation structure thereof.

[0002]

2. Description of the Related Art Along with recent advances in technology, miniaturization of communication equipment used for mobile phone base station devices and the like is progressing year by year. Therefore, the internal heat generation per unit volume of these communication devices themselves increases, so that they are often installed outdoors, and the number of hermetically sealed housings is increased for waterproofing reasons. For these reasons, there has been an increasing demand for an efficient heat dissipation system for hermetically sealed communication devices installed outdoors.

FIG. 3 is a perspective view showing a heat dissipation structure of a conventional communication device. As shown in FIG. 3, a conventional heat dissipation structure of a communication device is constituted by a sealed housing case 11 having a built-in communication device, and a plurality of sunshades 2 installed on the front and side surfaces of the housing case. . Case 11
On one surface, a housing radiator section 12 is provided as a heat radiating means for the housing case 11 itself.
On one surface, a sunshade 2 is provided so as to cover the housing radiator 12. The conventional heat dissipation structure of a communication device having such a configuration, the housing case 11 is covered with the plurality of sunshades 2 to avoid direct sunlight, and heat generated from inside the housing case 11 is generated by the surface of the housing case 11 and The heat is radiated from the housing radiator section 12 to the outside.

[0004]

However, the conventional heat dissipation structure of communication equipment has the following problems. In the prior art, the heat radiating means of the communication device has had to rely on natural heat radiation from the case 11 and the case radiator 12. Therefore, in order to obtain the necessary cooling effect for the communication device that generates heat, it is necessary to increase the heat radiating surface area of the housing case 11 and the housing radiator unit 12. In addition, the dimensions of the housing case 11 and the housing radiator section 12 must be large, which is contradictory to the downsizing of the communication device, and has a problem of securing an installation place and weight. In particular, the heat dissipation characteristics of the housing radiator section 12 are affected by the external wind speed, the heat dissipation effect is reduced in a windless state, and the above-mentioned solution of increasing the heat dissipation surface area of the housing case 11 and the housing radiator section 12 is as follows. It can be said that there is much waste.

The present invention has been made in view of the above-mentioned problems in the prior art, and effectively radiates heat without increasing the dimensions of a housing and a radiator portion thereof, and does not require a separate power supply device. It is an object of the present invention to provide a heat radiation structure of a sealed communication device installed outdoors, which can reduce the manufacturing cost, and a small, lightweight sealed communication device installed outdoors.

[0006]

According to a first aspect of the present invention, there is provided a heat radiating structure for a communication device, comprising: a sealed housing for housing the communication device; In a heat radiation structure of a communication device including an installed sunshade, a solar cell is provided for the sunshade, and a fan electrically connected to the solar cell is provided for the sunshade.

[0007] With this configuration, the fan can be operated by the solar energy cut off by the sunshade to generate wind and forcibly diffuse heat, so that an effective heat radiation action can be obtained. Also, when the amount of sunlight is small, the power supplied to the fan is reduced, but the outside air temperature is correspondingly reduced, natural heat radiation is promoted, and the necessity of forced heat diffusion by the fan is reduced. Therefore, the heat dissipation structure of the communication device according to the present invention naturally responds to external conditions, and is efficient without waste. Further, since the fan stops naturally at night, noise is less likely to occur.

According to a second aspect of the present invention, there is provided a heat dissipation structure for a communication device provided to solve the above-mentioned problem, comprising: a sealed housing for housing the communication device; a radiator installed on a side surface of the housing; In the heat radiation structure of a communication device including a sunshade provided on a surface of the housing, a solar cell is provided for the sunshade, and a fan electrically connected to the solar cell is provided for the sunshade. Heat dissipation structure of equipment. .

With this configuration, the fan can be operated by the solar energy cut off by the sunshade to generate wind and forcibly diffuse heat, so that an effective heat radiation action can be obtained. Also, when the amount of sunlight is small, the power supplied to the fan is reduced, but the outside air temperature is correspondingly reduced, natural heat radiation is promoted, and the necessity of forced heat diffusion by the fan is reduced. Thus, the heat radiation structure of the present invention naturally responds to external conditions, and is efficient without waste. Further, since the fan stops naturally at night, noise is less likely to occur.

[0010] A heat radiation structure for a communication device according to a third aspect of the present invention provided to solve the above problem is characterized in that the fan is installed at a predetermined interval in a radiator section of the communication device. .

[0011] With this configuration, it is possible to prevent the temperature of the communication device from rising due to direct rays of sunlight due to sunshade. In addition, the power supplied to the fan is solar energy at that time, so that it is efficient.

[0012] A heat radiation structure for a communication device according to a fourth aspect of the present invention provided to solve the above-mentioned problem is that the sunshade is integrally formed so as to cover the housing, and the sunshade is provided with an air inlet / outlet. It is characterized by.

With this configuration, the radiator is blown by the operation of the fan, so that an efficient heat radiation action can be obtained.

According to a fifth aspect of the present invention, there is provided a heat radiation structure for a communication device provided to solve the above-mentioned problem.
It is characterized by comprising a solar cell panel.

With this configuration, a sunshade provided with a solar cell can be easily and efficiently manufactured.

[0016] A heat dissipation structure for a communication device according to a sixth aspect of the present invention provided to solve the above-mentioned problem is characterized in that the fan is a waterproof fan.

According to this structure, since the waterproof means is provided, it can be safely installed outdoors.

A heat radiation structure for a communication device according to a seventh aspect of the present invention provided to solve the above problem is characterized in that the fan is a waterproof fan.

With this configuration, a heat radiation structure having an efficient heat radiation action in response to external conditions is provided, so that it is not necessary to increase the dimensions of the housing and the radiator for natural heat radiation. In addition, the size and weight can be reduced.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a heat radiation structure for a communication device according to the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view showing a configuration of a heat dissipation structure of a communication device according to an embodiment of the present invention. As shown in FIG. 1, the heat dissipation structure of the communication device according to the present invention includes a sealed communication device 1 including a housing case 11 and a sunshade 21 installed in a manner to cover the side and top surfaces of the housing case 11. Be composed. The sunshade 21 and the housing case 11 are installed by a joint 22 having high thermal conductivity. Case 1
A casing radiator unit 12 is provided on one side surface of the unit 1.
The housing case 11 in which the housing radiator section 12 is installed.
The sunshade 2 facing one side has two waterproof fans 3
Is installed. In addition, a solar cell panel is installed on the sunshade 21 and is connected so that the waterproof fan 3 operates by the electric power generated by the solar cell panel. FIG. 2 is a top view showing a configuration of a heat dissipation structure of a communication device according to an embodiment of the present invention. FIG.
As shown in the figure, the awning 2 provided with the waterproof fan 3
The left and right ends are fixed to the housing case 11 in a state where the left and right sides are opposed to the housing radiator section 12 with an interval 4 and the upper and lower sides are opened by bending the left and right sides. The interval 4 is for securing the air flow path, and the waterproof fan 3 is attached to the sunshade 2 in a direction not obstructing the air flow path.

Next, the operation of the embodiment of the heat radiating structure for communication equipment according to the present invention will be described with reference to FIGS. Under the configuration of the above-described embodiment of the heat dissipation structure of the communication device according to the present invention, while the solar panel 21 is irradiated with the sunlight, the electric power generated by the solar panel 21 is supplied to the waterproof fan 3. Will be supplied.
In addition, by the operation of the waterproof fan 3, an air flow is generated in the interval 4 where the housing radiator section 12 is present.
Therefore, the wind is constantly blown to the casing radiator section 12, and the effect of efficiently discharging the heat generated inside the casing case 11 is obtained. In addition, a sufficient cooling effect is obtained in combination with the presence of the sunshade 2 for preventing the temperature from rising due to direct sunlight.

When the amount of sunlight is small, the electric power supplied to the waterproof fan 3 decreases, but the outside air temperature decreases accordingly, natural heat radiation is promoted, and forced water diffusion by the waterproof fan 3 is prevented. The need is reduced. As described above, the heat radiation structure of the communication device according to the present invention naturally responds to external conditions and is efficient without waste. Furthermore, since the waterproof fan 3 stops naturally at night, the noise problem hardly occurs.

[0023]

As described above, the heat radiation structure of the closed type communication device installed outdoors according to the present invention efficiently discharges internal heat without increasing the dimensions of the housing and its radiator. It does not require a separate power supply device and has low manufacturing costs. Therefore, it is possible to realize a small and light hermetically sealed communication device that is installed outdoors.

[0024]

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a heat dissipation structure of a communication device according to the present invention.

FIG. 2 is a top view showing one embodiment of a heat dissipation structure of a communication device according to the present invention.

FIG. 3 is a perspective view showing a heat dissipation structure of a conventional communication device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Communication equipment 2 Sunshade 3 Fan 11 Housing case 12 Housing radiator part 21 Solar cell panel 22 Joint

Claims (7)

[Claims] 1. A heat dissipating structure for a communication device, comprising: a hermetically sealed housing for accommodating a communication device; and a sunshade provided on a surface of the housing, wherein a solar cell is provided for the sunshade, and the solar cell and the electricity A heat dissipating structure for a communication device, wherein a fan connected in a shade is provided in a shade. 2. A heat dissipation structure for a communication device, comprising: a hermetically sealed housing for housing communication equipment; a radiator installed on a side surface of the housing; and a sunshade installed on the surface of the housing. A solar cell, and a fan electrically connected to the solar cell is provided for sunshade. 3. The heat dissipation structure for a communication device according to claim 2, wherein the fan is installed at a predetermined interval on a radiator of the communication device. 4. The communication device according to claim 1, wherein the awning is integrally formed so as to cover the housing, and the awning is provided with an air inlet / outlet. Heat dissipation structure. 5. The heat dissipation structure for a communication device according to claim 1, wherein the awning is formed of a solar cell panel. 6. The heat dissipation structure for a communication device according to claim 1, wherein said fan is a waterproof fan. 7. The heat dissipating structure for a communication device according to claim 1, wherein the heat dissipating structure for a communication device is employed for a closed communication device installed outdoors.