Cooling device for electrical subassemblies
First Claim
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1. A cooling arrangement for an apparatus having a housing containing electrical subassemblies, comprising:
- at least one water-repellent membrane filter having a surface arranged in an air inlet of the housing for surface filtration of dirt particles and water from cooling air flowing into the housing for cooling the electrical subassemblies, said surface filtration of dirt particles and water occurring at the surface of said at least one water repellent membrane filter; and
at least one cooling device to build up an airflow in the housing and to lead the filtered cooling air, which is heated up because of flowing through the electrical subassemblies, out of the housing through at least one air outlet.
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Abstract
The invention relates to an arrangement for cooling electrical subassemblies arranged in a housing, in particular for use in base stations of a mobile radio system or access network system. The arrangement has at least one water-repellent membrane filter, in each case arranged in an air inlet of the housing, for the surface filtration of dirt particles from cooling air flowing in for cooling electrical subassemblies, as well as at least one cooling device to build up an airflow and to lead the filtered cooling air, heated because of flowing through the subassemblies, out of the housing through at least one air outlet.
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Citations
19 Claims
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1. A cooling arrangement for an apparatus having a housing containing electrical subassemblies, comprising:
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at least one water-repellent membrane filter having a surface arranged in an air inlet of the housing for surface filtration of dirt particles and water from cooling air flowing into the housing for cooling the electrical subassemblies, said surface filtration of dirt particles and water occurring at the surface of said at least one water repellent membrane filter; and
at least one cooling device to build up an airflow in the housing and to lead the filtered cooling air, which is heated up because of flowing through the electrical subassemblies, out of the housing through at least one air outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A base station for a system selected from a mobile telephone system and an access network system, said base station having a housing containing electrical subassemblies, said housing having at least one air inlet and at least one air outlet, and an arrangement for cooling the electrical subassemblies, said arrangement comprising:
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at least one water-repellent membrane filter having a surface arranged in said at least one air inlet of the housing for the surface filtration of dirt particles and water from the cooling air flowing in said at least one air inlet, said surface filtration of dirt particles and water occurring at the surface of said at least one water repellent membrane filter; and
at least one cooling device to create an airflow in the housing to lead the filtered cool air, after being heated up because of flowing through the electrical subassemblies, out of said at least one air outlet. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. An apparatus comprising:
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a housing containing at least one electrical subassembly, said housing having at least one air inlet and at least one air outlet;
at least one combination water repellent and dirt particle filter arranged in the at least one air inlet to filter cooling air flowing into the housing to cool the at least one electrical subassembly;
at least one cooling device to cause the cooling air to flow through the at least one electrical subassembly and through the at least one air outlet; and
a control device controlling said at least one cooling device to reverse the direction of the air flow in the housing, so that the cooling air flows in through the at least one air outlet, through said at least one combination water repellent and dirt particle filter and through the at least one air inlet to free said at least one combination water repellent and dirt particle filter of deposited dirt particles.
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18. A base station for a system selected from a mobile telephone system and an access network system, comprising:
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a housing containing electrical subassemblies, said housing having at least one air inlet and at least one air outlet;
at least one combination water repellent and dirt particle filter arranged in the at least one air inlet of said housing to filter cooling air flowing in the at least one air inlet;
at least one cooling device to cause the filtered cooled air to flow through the electrical subassemblies and out of the at least one air outlet; and
a control device controlling said at least one cooling device to reverse the direction of the air flow in said housing so that the cooling air flows in through the at least one air outlet and is directed to said at least one combination water repellent and dirt particle filter to free said at least one combination water repellent and dirt particle filter of deposited dirt particles.
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19. A cooling arrangement for an apparatus having a single housing containing electrical subassemblies, comprising:
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at least one water-repellant membrane filter having a surface arranged in an air inlet of the single housing for surface filtration of dirt particles and water from cooling air flowing into the single housing for cooling the electrical subassemblies, said surface filtration of dirt particles and water occurring at the surface of said at least one water repellent membrane filter; and
at least one cooling device to build up an air flow in the single housing and to lead the filtered cooling air, which is heated up because of flowing through the electrical subassemblies, out of the single housing through at least one air outlet.
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Specification