An electrical device heat dissipation structure includes an air blowing device, a casing, and a mating connector. The casing is disposed with at least one air outlet, an electrical connector and a power supply. The power supply provides power to the air blowing device. The mating connector has a chip. The mating connector is electrically connected with the electrical connector. The air blowing device is configured to blow air to the mating connector through the at least one air outlet, so as to improve dissipation of heat generated by the chip at work, and to reduce a temperature of the mating connector.

Internal interchangeable modular avionics platform assemblies and methods for removably mounting and interchanging modular avionics platforms within an aircraft. In some embodiments, modular avionics platform assemblies may include a modular avionics platform configured to support various avionics equipment, suitable for removable mounting within a forward fuselage, and interchangeable with a number of alternate platforms. A platform may include a frame structure, and mounting pins and a connector assembly disposed on the frame structure. The mounting pins may project outwardly from the frame structure to align with and detachably secure to corresponding airframe members of an aircraft when the frame structure is in a mounted position. The connector assembly may be disposed on the frame structure and have a plurality of connectors, including connectors for alternating current, direct current, and data. In some embodiments, the platform may also include an environmental cooling system disposed on the frame structure.

Custom cooling strategies may be implemented for different regions in computers, servers, and other information handling systems. Chassis architecture may have multiple cooling fans, with each fan cooling a different region via dedicated duct work. A user or administrator may thus implement different cooling strategies for internal components, based on different thermal curves defined for each different region.

A computing rack apparatus which reduces the manufacturing cost by simplifying the structure thereof and in which the temperature of the internal air is utilized in the cooling unit is disclosed. The apparatus comprises: a rack housing which houses a server, a rack frame which is disposed inside the rack housing and on which the server is fastened and mounted; and a cooling unit which has a discharge port which is disposed inside the rack housing and discharges cooling air and a suction port which sucks the internal air through a cooling zone, wherein the discharge port is located in a first region with respect to a boundary portion defined by a front surface of the server, and the suction port is located in a second region with respect to the boundary portion, and the first and second regions form the cooling zone.

The disclosure provides a charger, a charging device, an energy supply device and a control method of the charger. The charger comprises a housing, a charging position, a charging port and a first heat dissipation unit. The charger comprises a base and a supporting part. The supporting part is arranged on the base. The charging position is arranged on the base and distributed around the supporting part. The charging port is arranged on the charging position and matched with a battery pack. The first heat dissipation unit is arranged on the supporting part for heat dissipation of the battery pack. With the charger of the disclosure, multiple battery packs can be charged at the same time.

An electric connection box that has a function of relaying power of power supply supplied from an input-side power supply line and supplying the relayed power of power supply to an output-side load on a vehicle, that includes a first circuit unit, a second circuit unit, and an air blower configured to blow air to the first circuit unit, and in which the first circuit unit and the second circuit unit are arranged in a state of being close to each other, the electric connection box includes: a gap portion that is a space formed on a boundary between the first circuit unit and the second circuit unit; and an airflow guide portion configured to guide an airflow blown by the air blower to both the first circuit unit and the gap portion.

An imaging device includes an imaging main body; a fan accommodation portion provided in an upper portion of the imaging main body; and a cooling fan disposed in the fan accommodation portion, wherein the fan accommodation portion includes an upper surface, a pair of side surfaces, and a front surface that cover the cooling fan, and an intake port and an exhaust port for the cooling fan to perform intake and exhaust are provided on a surface of the fan accommodation portion different from the upper surface.

A cooling system (100) has a housing (101), a heat exchanger (110) and an air distribution controller (120). The housing (101) including an inlet (102) for receiving air exhausted from the server module and an outlet (103) for providing air to the server module. The heat exchanger (110) is mounted between the inlet (102) and the outlet (103), the heat exchanger (110) is configured that a refrigerant (111) contained in the heat exchanger (110) exchanges heat with air passing through the heat exchanger (110). The heat exchanger (110) accepts variation of the refrigerant liquid level. The air distribution controller (120) is mounted in an inlet side of the heat exchanger (110). The air distribution controller (120) has a movable plate which allows an airflow profile from the inlet to the heat exchanger (110) redirected. The air distribution controller (120) controls the airflow profile depending on the liquid level.

The present application discloses a sound absorbing device to be placed in an airflow that is in a first direction. The sound absorbing device includes a housing; a plurality of sound absorbing units disposed in the housing to be passed by the airflow, the plurality of sound absorbing units being arranged in a direction perpendicular to the first direction, any two adjacent sound absorbing units being separated by a gap; and a plurality of supports fixed in the housing. The plurality of sound absorbing units are fixed to the housing through the plurality of supports.

A fan and an electronic device are provided. The fan includes a hub, an outer frame surrounding the hub, and a plurality of blades connected between the hub and the outer frame. The outer frame includes a first side facing an air inlet of the fan, a second side facing an air outlet of the fan, and an inner wall between the first side and the second side. Each of the plurality of blades includes a first end connected to the hub and a second end connected to the outer frame. The second end includes a first region and a second region, the second region is connected to the inner wall. The first region extends from the second region and is disposed above the first side. A first notch is defined among the first regions of two adjacent blades and the first side.