WO2004105261A1 - Housing apparatus for outdoor communication device - Google Patents

Housing apparatus for outdoor communication device Download PDF

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Publication number
WO2004105261A1
WO2004105261A1 PCT/KR2004/001174 KR2004001174W WO2004105261A1 WO 2004105261 A1 WO2004105261 A1 WO 2004105261A1 KR 2004001174 W KR2004001174 W KR 2004001174W WO 2004105261 A1 WO2004105261 A1 WO 2004105261A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
heat sink
thermal
emission devices
housing apparatus
Prior art date
Application number
PCT/KR2004/001174
Other languages
French (fr)
Inventor
Duk-Yong Kim
Original Assignee
Kmw Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kmw Inc. filed Critical Kmw Inc.
Publication of WO2004105261A1 publication Critical patent/WO2004105261A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/036—Cooling arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20154—Heat dissipaters coupled to components
    • H05K7/20163—Heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving

Definitions

  • the present invention relates to a housing apparatus for an outdoor communication device, and more particularly to a housing apparatus for an outdoor communication device, in which a heat sink is positioned at a center of a housing and thermal-emission devices are aligned around the heat sink, thereby improving cooling efficiency for thermal-emission devices while allowing the housing apparatus to be easily installed in the outdoors by reducing a size of the housing.
  • thermal-emission devices such as HPAs (high power amplifiers), LPAs (linear power amplifiers), and digital processing units, which may generate a great amount of heat.
  • an internal temperature of a housing of a communication device including such thermal-emission devices may rise.
  • the conventional outdoor communication device 100 includes a housing 110 having a rectangular shape and a cooling device 130 for cooling a high internal temperature of the housing 110.
  • a door 113 is rotatably coupled to a front portion of the housing 110.
  • the housing 110 is provided at an inner portion thereof with electronic commumcation appliances 115, such as a linear power amplifier and a power supply.
  • the cooling device 130 may be classified into a manual cooling type cooling device, in which a plurality of heat sinks are simply coupled to each other, and a positive cooling type cooling device, which forcibly circulates ambient air around heat sinks.
  • the manual cooling type cooling device or the positive cooling type cooling device can be selectively used according to environmental conditions.
  • the cooling device 130 installed at a rear portion of the communication device 100 includes a heat sink 140 installed in the housing 110, formed at a front portion thereof with a plurality of electronic communication appliances
  • a blowing fan 150 installed at a lower portion of the housing 110 in order to forcible exhaust air to an exterior through the heat sink 140, and a porous plate 160 having a plurality of pores and installed at a rear portion of the housing 110 in order to allow air contained in the housing 100 to be exhausted to an exterior.
  • the heat sink has a size sufficient for cooling heat generated from the electronic communication appliances.
  • the rectangular housing has a size corresponding to the size of the heat sink.
  • the housing is coupled to the heat sink.
  • the electronic communication appliances are installed in the housing, that is, in front of the heat sink.
  • the door is rotatably coupled to the front portion of the housing.
  • the porous plate 160 is attached to the rear portion of the housing.
  • a plurality of blowing fans are installed at a lower portion between the heat sink and the porous plate.
  • anti-radiation heat plates are installed along an outer peripheral surface of the housing with a predetermined interval in order to prevent radiation heat from being generated in the housing.
  • thermal-emission devices are installed at one side of the heat sink, so the size of one side of the heat sink must be enlarged.
  • thermal-emission devices are cooled by using only one side of the heat sink, cooling efficiency thereof may be lowered.
  • the housing must be fabricated with a large size corresponding to the size of the heat sink. Since the outdoor communication device may be installed at a higher place above the ground, if the size of the housing becomes large, installation work for the outdoor communication device is very difficult.
  • the housing is made from a metal, it is necessary to install the anti-radiation heat plates along an outer peripheral surface of the housing in order to prevent radiation heat from being generated in the housing, causing a complicated assembling process.
  • blowing fans are necessary to cool the heat sink having a large size. However, only a part of air blown by the blowing fans makes contact with the heat sink, so cooling efficiency may be lowered.
  • an external appearance of a tower-top low-noise amplifier installed at a lower end of an antenna may not match with the current tendency of environmental-friendly products, if a housing having a shape and a material different from those of an antenna radome is installed in the outdoor communication device.
  • an object of the present invention is to provide a housing apparatus for an outdoor communication device, in which a heat sink having a rectangular column shape is installed in a housing and electronic parts for communication and thermal-emission devices are installed at four edge portions of the heat sink, thereby improving cooling efficiency for electronic parts and heat-emission devices.
  • Another object of the present invention is to provide a housing apparatus for an outdoor communication device including a housing made from FRP in order to prevent radiation heat from being generated in the housing without providing additional anti- radiation heat plates in the housing.
  • a housing apparatus of an outdoor communication device for receiving electronic parts for communication and thermal-emission devices therein, the housing apparatus comprising: a housing including an upper cover and a lower cover; a heat sink installed in the housing; a plurality of cavities formed between the housing and the heat sink in order to receive the thermal- emission devices therein in such a manner that the thermal-emission devices are attached to edges of the heat sink; and a blowing fan installed at a lower end of the housing in order to exhaust air to an exterior through the heat sink.
  • FIG. 1 is a sectional view showing a housing apparatus of a conventional outdoor communication device
  • FIG. 2 is a partially sectional perspective view showing a housing apparatus of a conventional outdoor communication device
  • FIG. 3 is a perspective view showing a conventional press-molded heat sink
  • FIG. 4 is an exploded perspective view showing a housing apparatus of an outdoor communication device according to one embodiment of the present invention.
  • FIG. 5 is a perspective view showing an assembling state of a housing apparatus of an outdoor communication device according to one embodiment of the present invention
  • FIG. 6 is a side sectional view showing a housing apparatus of an outdoor commumcation device according to one embodiment of the present invention.
  • FIG. 7 is a plan view showing a housing apparatus of an outdoor communication device according to one embodiment of the present invention
  • FIG. 8 is a plan view showing various ports formed on an upper surface of a housing in a housing apparatus of an outdoor communication device according to one embodiment of the present invention.
  • FIG. 9 is a plan view showing a mounting bracket provided in a housing apparatus of an outdoor communication device according to one embodiment of the present invention in order to couple a housing to an external column.
  • a housing apparatus 10 for an outdoor communication device includes a housing 20, a heat sink 30, a plurality of cavities 40, and a blowing fan 50.
  • the housing 20 receives electronic parts for communication and thermal- emission devices 90 therein.
  • the housing 20 includes upper and lower covers 21 and 22 in order to install the heat sink 30 thereon.
  • the heat sink 30 is provided in the housing 20 so as to cool electronic parts for communication and thermal-emission devices 90 installed in the housing 20.
  • the heat sink 30 has a rectangular column shape.
  • the plurality of cavities 40 accommodates the electronic parts for communication and thermal-emission devices 90 therein and are formed between the housing 20 and the heat sink 30 such that the electronic parts for communication and thermal-emission devices 90 are attached to edge portions of the heat sink 30.
  • the blowing fan 50 is provided at a lower end of the housing 20 in order to exhaust air to the exterior through the heat sink 30.
  • the housing 20 has a cylindrical shape.
  • the blowing fan 50 can be installed at an upper end, the lower end, or upper and lower ends of the housing 20.
  • the housing 20 is made from FRP in order to prevent radiation heat from being generated in the housing 20.
  • a plurality of mounting brackets 60 are provided at a side portion of the housing 20 in such a manner that the mounting brackets 60 are screw-coupled with the housing 20 by means of screws 80 so that the housing 20 is coupled to an external column 70.
  • a pair of coupling sections 21a and 22a provided at predetermined side portions of the upper and lower covers 21 and 22 are screw-coupled with the mounting brackets 60 by means of the screws 80.
  • Various ports 21b are installed at an upper portion of the upper cover 21 so as to receive/transmit signals.
  • the ports 21b can be selectively provided at a lower portion or an outer peripheral portion of the housing 20.
  • a plurality of fins 31 are provided in the heat sink 30.
  • the heat sink 30 having the rectangular column shape is provided in a body of the housing apparatus 10.
  • a plurality of cavities 40 are formed between the housing 20 and the heat sink 30 in order to receive electronic parts for communication and thermal-emission devices 90 therein, the electronic parts for communication and thermal-emission devices 90 are accommodated in the cavities 40.
  • the electronic parts for communication and thermal-emission devices 90 are attached to four edge portions of the heat sink 30.
  • the housing 20 has a cylindrical shape and the heat sink 30 is slidably coupled to the cylindrical housing 20.
  • the electronic parts for communication and thermal-emission devices 90 are accommodated in the housing 20 together with the heat sink 30.
  • the upper and lower covers 21 and 22 have donut shapes so as to cover the upper and lower portions of the housing 20 except for rectangular opening areas of the housing 20 provided for the heat sink 30. Then, the heat sink 30 is fixedly coupled to the rectangular opening areas of the housing 20 by means of screws so that the heat sink 30 is coupled to the housing 20.
  • the mounting bracket 60 is provided at the side portion of the housing 20 in such a manner that the mounting bracket 60 is screw-coupled with coupling sections 21a and 22a of the housing 20 by means of screws 80 so that the housing 20 is coupled to the external column 70.
  • the housing 20 is made from FRP.
  • FRP has a superior insulation characteristic, so radiation heat is not generated in the housing 20 even if additional anti-radiation heat plates are not provided in the housing 20. Since the anti-radiation heat plates are not installed in the housing 20, it is possible to fabricate the housing 20 with a small size. In addition, since the housing 20 has the cylindrical shape, an external appearance of the housing 20 may match with an environmental-friendly shape.
  • the blowing fan 50 is installed at the lower end of the housing 20.
  • the blowing fan 50 can be installed at both lower and upper ends of the housing 20.
  • various ports 21b are attached to the upper portion of the housing 20 in order to receive/transmit signals.
  • the ports 21b can be attached to the lower portion or the outer peripheral portion of the housing 20.
  • Heat generated from the electronic parts for communication and thermal- emission devices attached to four edge portions of the heat sink 30 is discharged to the exterior through the four edge portions and the fins of the heat sink 30.
  • the heat sink 30 is vertically installed in the housing 20 in the same manner as the conventional housing apparatus, a plurality of blowing fans are required for uniformly cooling the heat sink 30.
  • the heat sink 30 since the heat sink 30 has a rectangular shape, the heat sink 30 can be uniformly cooled by using only one blowing fan 50.
  • the conventional cooling structure may allow only a part of air to make contact with the heat sink 30.
  • a cooling structure of the present invention allows air blown by the blowing fan 50 to fully make contact with the heat sink 30 because the heat sink 30 is positioned at a center of the housing 20, so cooling efficiency thereof may b e improved.
  • the heat sink 30 is positioned at the center of the housing 30, the heat sink 30 is substantially exposed to the exterior, so cooling efficiency thereof will be further improved.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

Disclosed is a housing apparatus of an outdoor communication device for receiving electronic parts for communication and thermal-emission devices therein. The housing apparatus includes a housing having an upper cover and a lower cover, a heat sink installed in the housing and a plurality of cavities formed between the housing and the heat sink in order to receive the thermal-emission devices therein in such a manner that the thermal-emission devices are attached to edges of the heat sink, and a blowing fan installed at a lower end of the housing in order to exhaust air to an exterior through the heat sink.

Description

HOUSING APPARATUS FOR OUTDOOR COMMUNICATION DEVICE
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a housing apparatus for an outdoor communication device, and more particularly to a housing apparatus for an outdoor communication device, in which a heat sink is positioned at a center of a housing and thermal-emission devices are aligned around the heat sink, thereby improving cooling efficiency for thermal-emission devices while allowing the housing apparatus to be easily installed in the outdoors by reducing a size of the housing. 2. Description of the Related Art
As generally known in the art, communication devices are equipped with thermal-emission devices, such as HPAs (high power amplifiers), LPAs (linear power amplifiers), and digital processing units, which may generate a great amount of heat.
Due to heat generated from the thermal-emission devices operating with maximum load, an internal temperature of a housing of a communication device including such thermal-emission devices may rise.
If the internal temperature of the housing rises, not only life span of the thermal-emission devices is shortened, but also performance of thermal-emission devices is deteriorated due to heat applied to the thermal-emission devices. In addition, such a high internal temperature of the housing may exert a bad influence to devices adjacent to the housing. In an extreme case, such devices may malfunction or cannot perform data processing work. Since such thermal-emission devices have an airtight structure for the purpose of water-proof, humidity-proof and vibration-proof characteristics, the high internal temperature of the housing may cause the malfunction and breakage of the thermal- emission devices. For this reason, a cooling device is provided in the housing of the terminal-emission device in order to cool the high internal temperature of the housing. Hereinafter, a housing apparatus for a conventional outdoor communication device 100 will be described with reference to FIGS. 1 to 3.
As schematically shown in FIG. 1, the conventional outdoor communication device 100 includes a housing 110 having a rectangular shape and a cooling device 130 for cooling a high internal temperature of the housing 110. A door 113 is rotatably coupled to a front portion of the housing 110. The housing 110 is provided at an inner portion thereof with electronic commumcation appliances 115, such as a linear power amplifier and a power supply.
The cooling device 130 may be classified into a manual cooling type cooling device, in which a plurality of heat sinks are simply coupled to each other, and a positive cooling type cooling device, which forcibly circulates ambient air around heat sinks. The manual cooling type cooling device or the positive cooling type cooling device can be selectively used according to environmental conditions.
As shown in FIGS. 1 to 3, the cooling device 130 installed at a rear portion of the communication device 100 includes a heat sink 140 installed in the housing 110, formed at a front portion thereof with a plurality of electronic communication appliances
115 and provided at a rear portion thereof with a plurality of fins 145, a blowing fan 150 installed at a lower portion of the housing 110 in order to forcible exhaust air to an exterior through the heat sink 140, and a porous plate 160 having a plurality of pores and installed at a rear portion of the housing 110 in order to allow air contained in the housing 100 to be exhausted to an exterior.
According to the conventional housing apparatus having the above construction, the heat sink has a size sufficient for cooling heat generated from the electronic communication appliances. In addition, the rectangular housing has a size corresponding to the size of the heat sink. The housing is coupled to the heat sink. The electronic communication appliances are installed in the housing, that is, in front of the heat sink.
The door is rotatably coupled to the front portion of the housing. The porous plate 160 is attached to the rear portion of the housing.
Then, a plurality of blowing fans are installed at a lower portion between the heat sink and the porous plate. In addition, anti-radiation heat plates are installed along an outer peripheral surface of the housing with a predetermined interval in order to prevent radiation heat from being generated in the housing.
However, according to the conventional outdoor communication device, all of the thermal-emission devices are installed at one side of the heat sink, so the size of one side of the heat sink must be enlarged. In addition, since the thermal-emission devices are cooled by using only one side of the heat sink, cooling efficiency thereof may be lowered.
If the size of the heat sink becomes large, the housing must be fabricated with a large size corresponding to the size of the heat sink. Since the outdoor communication device may be installed at a higher place above the ground, if the size of the housing becomes large, installation work for the outdoor communication device is very difficult.
In addition, since the housing is made from a metal, it is necessary to install the anti-radiation heat plates along an outer peripheral surface of the housing in order to prevent radiation heat from being generated in the housing, causing a complicated assembling process.
In addition, a plurality of blowing fans are necessary to cool the heat sink having a large size. However, only a part of air blown by the blowing fans makes contact with the heat sink, so cooling efficiency may be lowered.
Furthermore, an external appearance of a tower-top low-noise amplifier installed at a lower end of an antenna may not match with the current tendency of environmental-friendly products, if a housing having a shape and a material different from those of an antenna radome is installed in the outdoor communication device.
SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a housing apparatus for an outdoor communication device, in which a heat sink having a rectangular column shape is installed in a housing and electronic parts for communication and thermal-emission devices are installed at four edge portions of the heat sink, thereby improving cooling efficiency for electronic parts and heat-emission devices.
Another object of the present invention is to provide a housing apparatus for an outdoor communication device including a housing made from FRP in order to prevent radiation heat from being generated in the housing without providing additional anti- radiation heat plates in the housing.
To accomplish the above object, there is provided a housing apparatus of an outdoor communication device for receiving electronic parts for communication and thermal-emission devices therein, the housing apparatus comprising: a housing including an upper cover and a lower cover; a heat sink installed in the housing; a plurality of cavities formed between the housing and the heat sink in order to receive the thermal- emission devices therein in such a manner that the thermal-emission devices are attached to edges of the heat sink; and a blowing fan installed at a lower end of the housing in order to exhaust air to an exterior through the heat sink. BRIEF DESCRIPTION OF THE DRAWINGS
The above objects and other features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a sectional view showing a housing apparatus of a conventional outdoor communication device;
FIG. 2 is a partially sectional perspective view showing a housing apparatus of a conventional outdoor communication device; FIG. 3 is a perspective view showing a conventional press-molded heat sink;
FIG. 4 is an exploded perspective view showing a housing apparatus of an outdoor communication device according to one embodiment of the present invention;
FIG. 5 is a perspective view showing an assembling state of a housing apparatus of an outdoor communication device according to one embodiment of the present invention;
FIG. 6 is a side sectional view showing a housing apparatus of an outdoor commumcation device according to one embodiment of the present invention;
FIG. 7 is a plan view showing a housing apparatus of an outdoor communication device according to one embodiment of the present invention; FIG. 8 is a plan view showing various ports formed on an upper surface of a housing in a housing apparatus of an outdoor communication device according to one embodiment of the present invention; and
FIG. 9 is a plan view showing a mounting bracket provided in a housing apparatus of an outdoor communication device according to one embodiment of the present invention in order to couple a housing to an external column.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings. In the following description of the present invention, the same reference numerals are used to designate the same or similar components and a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
As shown in FIGS. 4 to 9, a housing apparatus 10 for an outdoor communication device includes a housing 20, a heat sink 30, a plurality of cavities 40, and a blowing fan 50.
The housing 20 receives electronic parts for communication and thermal- emission devices 90 therein.
The housing 20 includes upper and lower covers 21 and 22 in order to install the heat sink 30 thereon.
The heat sink 30 is provided in the housing 20 so as to cool electronic parts for communication and thermal-emission devices 90 installed in the housing 20.
The heat sink 30 has a rectangular column shape.
The plurality of cavities 40 accommodates the electronic parts for communication and thermal-emission devices 90 therein and are formed between the housing 20 and the heat sink 30 such that the electronic parts for communication and thermal-emission devices 90 are attached to edge portions of the heat sink 30.
The blowing fan 50 is provided at a lower end of the housing 20 in order to exhaust air to the exterior through the heat sink 30. The housing 20 has a cylindrical shape.
The blowing fan 50 can be installed at an upper end, the lower end, or upper and lower ends of the housing 20.
In addition, the housing 20 is made from FRP in order to prevent radiation heat from being generated in the housing 20. A plurality of mounting brackets 60 are provided at a side portion of the housing 20 in such a manner that the mounting brackets 60 are screw-coupled with the housing 20 by means of screws 80 so that the housing 20 is coupled to an external column 70.
A pair of coupling sections 21a and 22a provided at predetermined side portions of the upper and lower covers 21 and 22 are screw-coupled with the mounting brackets 60 by means of the screws 80.
Various ports 21b are installed at an upper portion of the upper cover 21 so as to receive/transmit signals.
The ports 21b can be selectively provided at a lower portion or an outer peripheral portion of the housing 20.
In addition, a plurality of fins 31 are provided in the heat sink 30.
Hereinafter, an operation of the housing apparatus for the outdoor communication device having the above construction will be described in detail with reference to FIGS. 4 to 9. As shown in FIGS. 4 and 5, the heat sink 30 having the rectangular column shape is provided in a body of the housing apparatus 10.
Since a plurality of cavities 40 are formed between the housing 20 and the heat sink 30 in order to receive electronic parts for communication and thermal-emission devices 90 therein, the electronic parts for communication and thermal-emission devices 90 are accommodated in the cavities 40.
At this time, as shown in FIG. 7, the electronic parts for communication and thermal-emission devices 90 are attached to four edge portions of the heat sink 30.
Referring to FIG. 8, the housing 20 has a cylindrical shape and the heat sink 30 is slidably coupled to the cylindrical housing 20. hi addition, the electronic parts for communication and thermal-emission devices 90 are accommodated in the housing 20 together with the heat sink 30.
As shown in FIG. 9, the upper and lower covers 21 and 22 have donut shapes so as to cover the upper and lower portions of the housing 20 except for rectangular opening areas of the housing 20 provided for the heat sink 30. Then, the heat sink 30 is fixedly coupled to the rectangular opening areas of the housing 20 by means of screws so that the heat sink 30 is coupled to the housing 20.
The mounting bracket 60 is provided at the side portion of the housing 20 in such a manner that the mounting bracket 60 is screw-coupled with coupling sections 21a and 22a of the housing 20 by means of screws 80 so that the housing 20 is coupled to the external column 70.
The housing 20 is made from FRP.
As generally known in the art, FRP has a superior insulation characteristic, so radiation heat is not generated in the housing 20 even if additional anti-radiation heat plates are not provided in the housing 20. Since the anti-radiation heat plates are not installed in the housing 20, it is possible to fabricate the housing 20 with a small size. In addition, since the housing 20 has the cylindrical shape, an external appearance of the housing 20 may match with an environmental-friendly shape.
As shown in FIG. 6, the blowing fan 50 is installed at the lower end of the housing 20. Selectively, the blowing fan 50 can be installed at both lower and upper ends of the housing 20.
Referring to FIGS. 4 and 5, various ports 21b are attached to the upper portion of the housing 20 in order to receive/transmit signals. Selectively, the ports 21b can be attached to the lower portion or the outer peripheral portion of the housing 20. Heat generated from the electronic parts for communication and thermal- emission devices attached to four edge portions of the heat sink 30 is discharged to the exterior through the four edge portions and the fins of the heat sink 30.
At this time, as shown in FIG. 6, due to an operation of the blowing fan 50 installed below the heat sink 30, air Al contained in the housing 20 is forcibly exhausted to the exterior through the heat sink 30, while cooling the heat sink 30 and the fins.
If the heat sink 30 is vertically installed in the housing 20 in the same manner as the conventional housing apparatus, a plurality of blowing fans are required for uniformly cooling the heat sink 30. However, according to the present invention, since the heat sink 30 has a rectangular shape, the heat sink 30 can be uniformly cooled by using only one blowing fan 50.
In addition, the conventional cooling structure may allow only a part of air to make contact with the heat sink 30. However, a cooling structure of the present invention allows air blown by the blowing fan 50 to fully make contact with the heat sink 30 because the heat sink 30 is positioned at a center of the housing 20, so cooling efficiency thereof may b e improved.
Even though the heat sink 30 is positioned at the center of the housing 30, the heat sink 30 is substantially exposed to the exterior, so cooling efficiency thereof will be further improved.
While the present invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

WHAT IS CLAIMED IS:
1. A housing apparatus of an outdoor communication device for receiving electronic parts for communication and thermal-emission devices therein, the housing apparatus comprising: a housing including an upper cover and a lower cover; a heat sink installed in the housing; a plurality of cavities formed between the housing and the heat sink in order to receive the thermal-emission devices therein in such a manner that the thermal-emission devices are attached to edges of the heat sink; and a blowing fan installed at a lower end of the housing in order to exhaust air to an exterior through the heat sink.
2. The housing apparatus as claimed in claim 1, wherein the housing has a cylindrical shape.
3. The housing apparatus as claimed in claim 1, wherein the upper and lower covers have donut shapes, respectively.
4. The housing apparatus as claimed in claim 1, wherein the heat sink has a polygonal column shape.
5. The housing apparatus as claimed in claim 1, wherein the blowing fan is installed at an upper end, a lower end, or upper and lower ends of the housing.
6. The housing apparatus as claimed in claim 1, wherein the housing is
Figure imgf000010_0001
7. The housing apparatus as claimed in claim 1, further comprising a plurality of mounting brackets provided at a predetermined lateral portion of the housing in such a manner that the mounting brackets are screw-coupled with the housing so that the housing is coupled to an external column.
8. The housing apparatus as claimed in claim 1, wherein the upper and lower covers are formed at predetermined lateral portions thereof with coupling sections such that mounting brackets are screw-coupled with the coupling sections.
PCT/KR2004/001174 2003-05-23 2004-05-18 Housing apparatus for outdoor communication device WO2004105261A1 (en)

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KR10-2003-0032778 2003-05-23

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WO2011002116A1 (en) * 2009-06-30 2011-01-06 주식회사 케이엠더블유 Heat sink structure for a housing of a wireless communication apparatus
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EP2293658A3 (en) * 2009-09-08 2011-05-11 Sunonwealth Electric Machine Industry Co., Ltd. Heat dissipating device
CN103423250A (en) * 2008-07-25 2013-12-04 华为技术有限公司 Installation part, main fastener and combined structure of communication equipment and installation part
WO2014134921A1 (en) * 2013-03-06 2014-09-12 华为技术有限公司 Radio remote unit and communication equipment
KR101523701B1 (en) * 2008-03-12 2015-06-01 주식회사 케이엠더블유 Housing device of wireless communication apparatus
WO2015124252A1 (en) * 2014-02-19 2015-08-27 Kathrein-Werke Kg Antenna, in particular mobile radio antenna
EP3177124A4 (en) * 2014-08-21 2017-09-06 Huawei Technologies Co. Ltd. Communication product and base station system
JP2020155573A (en) * 2019-03-20 2020-09-24 パナソニックＩｐマネジメント株式会社 Laser light source unit
BE1028433B1 (en) * 2020-06-25 2022-01-31 Phoenix Contact Gmbh & Co Assembly with a heat sink core element forming a support structure
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