Abstract: A wind shielding device for a heat dissipating device of an electronic device includes a case defining an air outlet communicating with an exhaust hole of a blower, a plurality of blades rotatably received in the case, a retainer base fixed in the case, and a retainer element mounted on the retainer base. When wind blowing outwards from the exhaust hole spins the blades, the blades knock the retainer element out of the way, the retainer element is rotated and allows the blades to continuously rotate. When air from the outside attempts to enter the exhaust hole, the blades are spun to contact the other side of the retainer element, and the retainer element prevents further rotation in that direction.

Abstract: A fan testing apparatus includes an air duct defining opposite air inlet and air outlet, a heating member received in the air duct, a first thermometer attached to the heating member, and a second thermometer positioned at the inlet of the air duct. The fan generates airflow in the air duct through the inlet and out of the air duct through the outlet to cooling the heating member. A surface temperature of the heating member is measured by the first thermometer. An environmental temperature at the air inlet is measured by the second thermometer.

Abstract: A power supply system includes a number of aerogenerators, a number of rectifiers, and a direct current to direct current (DC/DC) converter. A first terminal of each rectifier is connected to a corresponding one of the aerogenerators. A first terminal of the DC/DC converter is connected to second terminals of the rectifiers. A second terminal of the DC/DC converter is connected to a power unit of a container data center. Each rectifier converts the alternating current (AC) generated by the corresponding aerogenerator to a pulsating direct current (DC). The DC/DC converter converts the pulsating DC to a constant voltage DC and supplies power to the power unit.

Abstract: An electronic device includes a casing, a motherboard installed in the casing, a number of components positioned on the motherboard, a number of fans and vents aligning with the components, and an air duct installed on the motherboard so as to enclose the components. The casing includes a cover defining an opening. The air duct includes a removable top plate covering the opening.

Abstract: A heat dissipation apparatus for an electronic component mounted in a casing of an electronic device includes a first heat sink attached to the component, a second heat sink located outside the casing, and a heat pipe connected between the first heat sink and the second heat sink. The heat pipe contacts the casing.

Abstract: A cabinet includes a housing, two slide rails, and a door. The housing includes two opposite side plates, a top plate connected between tops of the side plates, and a bottom plate connected between bottoms of the side plates. The slide rails are respectively fixed to the top plate and bottom plate, and connected between the side plates. The door is foldable and includes a number of door pieces. Top and bottom ends of the door piece are slidably mounted to the corresponding slide rails.

Abstract: A fan assembly includes a fan and a screen. The fan includes a bracket, and an impeller installed in the bracket. The bracket includes two opposite sidewalls each defining an opening aligning with the impeller. A hollow fixing frame is mounted to an outer surface of one of the sidewalls surrounding four sides of the corresponding opening. The fixing frame includes a receiving portion surrounding three of the four sides of the opening, and a cover detachably connected to distal ends of the receiving portion, to surround the last side of the opening. The screen is received in the fixing frame and aligns with the openings.

Abstract: A air duct includes a top wall and two sidewalls extending down from two opposite sides of the top wall. A number of partition plates extend down from the top wall between and parallel to the sidewalls. Every adjacent two of the partition plates and the sidewalls cooperatively bound an airflow channel.

Abstract: A cooling system for cooling an electronic device includes a heat exchanger, a first refrigerant pipe, a pump, a second refrigerant pipe, and a cooling apparatus. The heat exchanger, the first refrigerant pipe, the pump, and the second refrigerant pipe are connected in that order to form a first circulation system. The cooling apparatus is connected between the pump and the second refrigerant pipe. The cooling apparatus is exposed outside the electronic device. When the temperature outside the electronic device is higher than the temperature in the electronic device, the first circulation system cools the electronic device. When the temperature outside the electronic device is lower than the temperature in the electronic device, the refrigerant flows through the cooling apparatus to be cooled.

Abstract: A server system and a control method applied therein are illustrated. The server system includes a server cabinet, servers accommodated in the server cabinet, a cooling fan module for cooling the servers, a thermal sensor detecting an ambient temperature in the server cabinet, and a controller. The controller includes a speed control module controlling a rotation speed of the fan module according to the ambient temperature and any overloading of servers, an obtaining module receives power consumed values of the servers, a determining module determining if a ratio of the highest power consumed value to the lowest power consumed value is greater than a predetermined value, and an executing module reducing the clocking speed of the server having the highest power consumed value if the determining module determines that the ratio of the highest power consumed value to the lowest power consumed value is greater than the predetermined value.

Abstract: An electronic device includes a touch sensitive display configured to receive touches from a user and a processing unit. The processing unit controls a plurality of icons to be displayed when the touch sensitive display is in a locked state, detects whether a sequence of touches on certain icons of the plurality of icons matches one of at least one predefined sequences, and unlocks the touch sensitive display if the detection module detects that the sequence of touches matches a predefined sequence.

Abstract: A method for unlocking an electronic device is provided. The electronic device includes a storage unit, the storage unit stores a relationship table which defines a number of touch modes, each touch mode includes touch icons needing to be touched, touch duration corresponding to each touch icon, a touch sequence of the touch icons and a touch order of each touch icon in the touch sequence. The method includes: selecting an touch mode from the touch modes defined in the relationship table when in a situation where the electronic device needs to be unlocked; displaying the touch icons corresponding to the touch mode on the touch screen; determining whether touches on the touch icons match the requirements of the selected touch mode; and unlocking the electronic device if the touches on the touch icons match the requirements of the selected touch mode.

Abstract: A container data center includes a portable container, server cabinets, a decibel-meter, fans to cool the server cabinets, fan controlling systems to speed up or slow down the fans, an air conditioner to adjust a temperature inside the container, and a temperature adjustment system to receive a decibel level sensed by the decibel-meter. The temperature adjustment system compares the value of the received decibel level with a preset value. If the value of the received decibel level is greater than the preset value, the temperature adjustment system decreases the temperature of air outputted by the air conditioner, thereby the fan controlling systems slowing down the fans. If the value of the received decibel level is not greater than the preset value, the temperature adjustment system increases the temperature of the air outputted by the air conditioner, thereby the fan controlling systems speeding up the fans.

Abstract: A container data center includes a portable container, a number of server cabinets accommodated in the container, a shutter set on a side wall of the container, a temperature sensor to sense a temperature of air outside the container, a humidity sensor to sense a humidity of air outside the container, and a controlling device to receive the sensed temperature and the sensed humidity. The controlling device compares the sensed temperature with a preset temperature and compares the sensed humidity with a preset humidity range. When the sensed temperature is less than the preset temperature and the sensed humidity is in the preset humidity range, the controlling device opens the shutter. When the sensed temperature is higher than the preset temperature or the sensed humidity is outside of the preset humidity range, the controlling device closes the shutter.

Abstract: A container data center includes a container, a shield, a screen, and a hollow fixing frame. The container includes a sidewall defining a vent. The shield and the fixing frame are selectively mounted to the sidewall of the container such that the vent is covered by the shield or the screen sandwiched between the sidewall and the fixing frame.

Abstract: An electronic device includes a housing, at least one expansion card, a motherboard and a fixing member. The motherboard is assembled into the housing, and includes at least one socket member. The socket member defines at least one expansion slot to receive the expansion card. The housing includes a bottom plate and a side plate extending substantially perpendicular to the bottom plate. The fixing member is rotatably connected to the side plate. The fixing member resists an end of the expansion card away from the motherboard, such that the fixing member and the motherboard cooperatively defining an airflow channel therebetween.

Abstract: An apparatus for fixing a heat sink having a bottom plate includes a circuit board, two fasteners, and two blocks. The circuit board defines two through holes. The fasteners respectively extend through the bottom plate of the heat sink for fixing the heat sink to the circuit board. Each of the fasteners includes two spaced feet to extend through a corresponding one of the through holes and engage with a bottom of the circuit board. Each of the blocks is inserted into a space between the feet of a corresponding one of the fasteners after the feet extend through the corresponding through hole, to prevent the feet from deforming and disengaging from the circuit board.

Abstract: A server includes a chassis, a back plane module mounted in the chassis, and a number of electronic component mounted to the back plane module. The back plane module includes a first back plane adjacent to a top plate of the chassis, a second back plane adjacent to a bottom plate of the chassis, and a cable connecting the first and second back planes. The second back plane is offset from the first back plane so as to form a passage for a cooling airflow between the first and second back planes.

Abstract: A heat pipe assembly used to transfer heat generated by an electronic component to a heat sink includes a first heat pipe, a second heat pipe, and a heat conducting member. A first end of the first heat pipe is connected to the electronic component. A second end of the first heat pipe is connected to the heat conducting member by welding. A first end of the second heat pipe is connected to the second heat sink. A second end of the second heat pipe is connected to the heat conducting member by welding.

Abstract: A chassis includes two opposite sidewalls, a first vent wall connected between corresponding ends of the sidewalls, and a second vent wall connected between the sidewalls and close to an inner surface of the first vent wall. The first vent wall defines a number of first vents extending along a first direction. The second vent wall defines a number of second vents extending along a second direction different from the first direction.