Abstract: An optical module heat dissipation structure, disposed inside an enclosure, where the optical module heat dissipation structure includes an optical module, an elastic component, a fixed wall, and a heat dissipation wall, where the fixed wall and the heat dissipation wall are both connected to the enclosure, the optical module is disposed between the fixed wall and the heat dissipation wall, the elastic component elastically abuts between the fixed wall and the optical module, and elasticity of the elastic component makes the optical module tightly cling to the heat dissipation wall, to improve the heat dissipation efficiency of the optical module heat dissipation structure. An electronic product is further provided where the electronic product includes the optical module heat dissipation structure.

Abstract: The present invention discloses a thermally conductive composite sheet, including a first aluminum alloy layer, at least one graphite sheet, an aluminum alloy frame, and a second aluminum alloy layer, where the aluminum alloy frame is provided with at least one opening; the graphite sheet is positioned inside the opening of the aluminum alloy frame; the aluminum alloy frame and the graphite sheet are sandwiched between the first aluminum alloy layer and the second aluminum alloy layer; the first aluminum alloy layer is diffusion-bonded to the graphite sheet and the aluminum alloy frame; the second aluminum alloy layer is diffusion-bonded to the graphite sheet and the aluminum alloy frame; and the graphite sheet is cladded by the first aluminum alloy layer, the second aluminum alloy layer, and the aluminum alloy frame, to form a unity.

Abstract: Embodiments of the present invention disclose an electronic equipment cooling system including: a cabinet; at least one electronic equipment chassis that is installed inside the cabinet; and an auxiliary cooling device including an air pressurizing device, an air supply plenum box, and an air-guiding device. The air supply plenum box is disposed on an inner side of the cabinet. The air pressurizing device is disposed at the top or bottom of the cabinet, and an air exhaust on a sidewall of the air pressurizing device is connected to a corresponding air intake on a sidewall of the air supply plenum box. The air-guiding device is installed inside the electronic equipment chassis, an air intake of the air-guiding device is connected to an air exhaust of the air supply plenum device, and an air exhaust of the air-guiding device faces a component inside the electronic equipment chassis.

Abstract: An optical module heat dissipation structure, disposed inside an enclosure, where the optical module heat dissipation structure includes an optical module, an elastic component, a fixed wall, and a heat dissipation wall, where the fixed wall and the heat dissipation wall are both connected to the enclosure, the optical module is disposed between the fixed wall and the heat dissipation wall, the elastic component elastically abuts between the fixed wall and the optical module, and elasticity of the elastic component makes the optical module tightly cling to the heat dissipation wall, to improve the heat dissipation efficiency of the optical module heat dissipation structure. An electronic product is further provided where the electronic product includes the optical module heat dissipation structure.

Abstract: In one embodiment, the disclosure includes an air-based geothermal cooling system for a telecom utility cabinet. The air-based geothermal cooling system includes a plurality of heat exchange tubes configured to extend into an underground environment. The air-based geothermal cooling system also includes an input/output (I/O) manifold coupled to the plurality of heat exchange tubes and providing an airway between the plurality of heat exchange tubes and the telecom utility cabinet.

Abstract: In one embodiment, a system includes a telecom utility cabinet and an air-based geothermal cooling system for the telecom utility cabinet. The system also includes a leak detector for the air-based geothermal cooling system. In another embodiment, a method includes detecting a leak in an air-based geothermal cooling system. The method also includes activating a liquid pump for the air-based geothermal cooling system in response to the leak detection.

Abstract: A cabinet temperature control system comprises a cabinet and an underground temperature control unit. The cabinet comprises an air discharging chamber and an air introducing chamber which are in communication with each other inside the cabinet. The underground temperature control unit comprises an air discharging chamber and an air introducing chamber which are in communication with each other inside the underground temperature control unit. The air discharging chamber of the cabinet and the air introducing chamber of the underground temperature control unit, and the air discharging chamber of the underground temperature control unit and the air introducing chamber of the cabinet, are in communication with each other respectively, so that the cabinet and the underground temperature control unit form an air circulating circuit. The underground temperature control unit further comprises a radiator arranged in the air circulating circuit. The system also has fans controlled by a control module.

Abstract: In one embodiment, the disclosure includes a telecom utility cabinet including a heat load chamber. The telecom utility cabinet also includes an air introducing duct configured to conduct air from the heat load chamber to a geothermal cooling system. The telecom utility cabinet also includes an air discharging duct configured to conduct air from the geothermal cooling system to the heat load chamber. In another embodiment, the disclosure includes a method for managing temperature in a telecom utility cabinet. The method includes introducing air from a heat load chamber to a geothermal cooling system and discharging air from the geothermal cooling system to the heat load chamber.

Abstract: Embodiments of the present invention provide an immersion cooling system, including: an electronic device, a non-conductive working medium, and one or more gasbags. The electronic device is immersed in the non-conductive working medium; the non-conductive working medium is configured to dissipate heat for the electronic device, and a volume of the non-conductive working medium expands as a temperature rises; and a surface of the gasbag is elastic, and the gasbag is configured to reduce its volume when the gasbag is compressed by volume expansion of the non-conductive working medium, so as to buffer a pressure rise in the system, where the pressure rise is caused by the volume expansion of the non-conductive working medium. With the immersion cooling system provided in the embodiments of the present invention, installation is more flexible and cooling performance of the system is further improved.

Abstract: Embodiments of the present invention disclose an electronic equipment cooling system including: a cabinet; at least one electronic equipment chassis that is installed inside the cabinet; and an auxiliary cooling device including an air pressurizing device, an air supply plenum box, and an air-guiding device. The air supply plenum box is disposed on an inner side of the cabinet. The air pressurizing device is disposed at the top or bottom of the cabinet, and an air exhaust on a sidewall of the air pressurizing device is connected to a corresponding air intake on a sidewall of the air supply plenum box. The air-guiding device is installed inside the electronic equipment chassis, an air intake of the air-guiding device is connected to an air exhaust of the air supply plenum device, and an air exhaust of the air-guiding device faces a component inside the electronic equipment chassis.

Abstract: Embodiments of the present invention provide a noise reduction method, device, and system. In the embodiments of the present invention, operating condition information of a noise source is obtained, where the operating condition information represents an operating condition of the noise source, then sound wave information corresponding to the obtained operating condition information is determined according to a pre-set mapping between the operating condition information and the sound wave information, and active noise reduction is performed by using the corresponding sound wave information. Steps such as collection, conversion, and calculation for noise generated by the noise source are not required, thereby shortening time for the active noise reduction.

Abstract: Embodiments of the present invention disclose a heat dissipation device, including: a closed shell and a temperature control device. The temperature control device includes: a cold storage medium module, a first group of thermosiphons, and a second group thermosiphons; wherein the cold storage medium module is disposed at the outside of the closed shell, the first group thermosiphons are provided with a first group of evaporation ends and a first group of condensation ends, and the second group of thermosiphons are provided with a second group of evaporation ends and a second group of condensation ends. Embodiments of the present invention also disclose a communication device and a heat dissipation method for a communication device. The above technical solutions save electric energy and improve the effects of energy saving and emission reduction of the system.

Abstract: In one embodiment, the disclosure includes an air-based geothermal cooling system for a telecom utility cabinet. The air-based geothermal cooling system includes a plurality of heat exchange tubes configured to extend into an underground environment. The air-based geothermal cooling system also includes an input/output (I/O) manifold coupled to the plurality of heat exchange tubes and providing an airway between the plurality of heat exchange tubes and the telecom utility cabinet.

Abstract: In one embodiment, a system includes a telecom utility cabinet and an air-based geothermal cooling system for the telecom utility cabinet. The system also includes a leak detector for the air-based geothermal cooling system. In another embodiment, a method includes detecting a leak in an air-based geothermal cooling system. The method also includes activating a liquid pump for the air-based geothermal cooling system in response to the leak detection.

Abstract: In one embodiment, the disclosure includes a telecom utility cabinet including a heat load chamber. The telecom utility cabinet also includes an air introducing duct configured to conduct air from the heat load chamber to a geothermal cooling system. The telecom utility cabinet also includes an air discharging duct configured to conduct air from the geothermal cooling system to the heat load chamber. In another embodiment, the disclosure includes a method for managing temperature in a telecom utility cabinet. The method includes introducing air from a heat load chamber to a geothermal cooling system and discharging air from the geothermal cooling system to the heat load chamber.

Abstract: In one embodiment, a system includes a telecom utility cabinet and an air-based geothermal cooling system for the telecom utility cabinet. The air-based geothermal cooling system forms an air circulation loop that receives air from the telecom utility cabinet and returns cooled air to the telecom utility cabinet. In another embodiment, an air-based geothermal cooling system for a telecom utility cabinet is provided. The air-based geothermal cooling system comprises a plurality of heat exchange tubes configured to extend into an underground environment. The plurality of heat exchange tubes are part of an air circulation loop configured to receive air from the telecom utility cabinet and to return cooled air to the telecom utility cabinet.

Abstract: A cabinet temperature control system comprises a cabinet and an underground temperature control unit. The cabinet comprises an air discharging chamber and an air introducing chamber which are in communication with each other inside the cabinet. The underground temperature control unit comprises an air discharging chamber and an air introducing chamber which are in communication with each other inside the underground temperature control unit. The air discharging chamber of the cabinet and the air introducing chamber of the underground temperature control unit, and the air discharging chamber of the underground temperature control unit and the air introducing chamber of the cabinet, are in communication with each other respectively, so that the cabinet and the underground temperature control unit form an air circulating circuit. The underground temperature control unit further comprises a radiator arranged in the air circulating circuit. The system also has fans controlled by a control module.