Abstract:
An active heat dissipating LED illumination lamp includes a substrate holder, at least one LED illumination assembly, a plurality of heat pipes and a heat sink module. The LED illumination assembly is installed on a side of the substrate holder, and the heat pipes and the heat sink module are installed on the other side of the substrate holder, and a plurality of first diversion channels is formed between the heat pipes, and each heat dissipating fin has at least one ventilation hole occupying 12%˜60% of the total area to form a second diversion channel, and a second interval is defined between the bottom of the heat sink module and the substrate holder. When the heat generated by the LED illumination assembly is provided for performing heat conduction, the heat is guided actively to the second diversion channel to perform heat convection.
Abstract:
A heat-dissipating device having an air-guiding structure includes a heat-conducting seat, a fin assembly, at least one heat pipe for serially connecting to the fin assembly and the heat-conducting seat, and a fan assembly unit. The fin assembly is positioned above the heat-conducting seat and formed by arranging a plurality of heat-dissipating fins at intervals. As a result, airflow paths are formed between each heat-dissipating fin. The fan assembly unit is laterally provided at one side of the fin assembly. A space for lateral flow is formed between the heat-conducting seat and the fin assembly. The other side of the fin assembly is provided with an air-guiding member. The air-guiding member has a guiding space for laterally communicating with the space. The air blown by the fan assembly unit can pass through the space and is received by the air-guiding member. Then, the air flow is guided to the portions to be heat-dissipated by the air-guiding member.
Abstract:
A light emitting diode (LED) lamp tube heat dissipating structure is capable of dissipating heat in a tube quickly to improve the heat dissipating efficiency. A circuit board with a light radiating surface and a heat dissipating surface is contained in the tube, and the light radiating surface of the circuit board is electrically connected to LED lamps. Two conductive bushings are sheathed onto both ends of the tube and electrically connected with the circuit board, and at least one heat dissipating hole is disposed separately on both distal surfaces of the tube that covers the heat dissipating surface of the circuit board, such that external air is entered into the tube from the heat dissipating hole on a distal surface of the tube and dispersed from the heat dissipating hole on another distal surface of the tube for dissipating the heat in the tube.
Abstract:
A LED lamp tube which includes a hollow transparent tube, a LED lamp assembly disposed in the transparent tube, two conductive caps provided on both ends of the transparent tube respectively, and a circuit control unit. The circuit control unit includes a plurality of separated sub-portions. The respective sub-portions of the circuit control unit are distributed uniformly on the circuit board of the LED lamp assembly. Via the uniform arrangement of respective sub-portions of the circuit control unit, the heat within the LED lamp tube can be distributed uniformly, thereby lowering the temperature and facilitating the heat dissipation.
Abstract:
A method of flatting evaporating section of a heat pipe embedded in a heat dissipation device includes the following steps: (a) providing at least a heat pipe and a base of the heat dissipation device to be thermally connected with the heat pipe, the base defining at least a groove for embedding the heat pipe therein; (b) positioning an evaporating section of the heat pipe on the groove of the base; (c) pressing the evaporating section of the heat pipe to embed the evaporating section into the groove of the base with a partial uneven surface of the evaporating section protruding out of the base; (d) flatting the protruded uneven surface of the evaporating section by polishing.
Abstract:
A juxtaposing structure for the heated ends of a plurality of heat pipes includes a plurality of heat pipes and a locking unit. Each heat pipe has a heated end. The surface of the heated end of each heat pipe has an upper plane and a lower plane facing to each other and sidewall faces formed between both sides of the two planes. Sidewall faces of any two adjacent heat pipes adjoin and abut against each other. The locking unit locks the heated end of each heat pipe to form into one body. With the combination of each lower plane, a heated surface having a larger area can be formed.
Abstract:
A communication device charged by solar energy forms a foldable mobile phone by pivotably connecting a first pivot provided on one end of a host to a display. One end face of the display is provided with a second pivot. A solar plate is pivotably connected to the second pivot of the display to foldably cover on the display. With the above structure, if the electricity of the battery of the mobile phone is insufficient, the user can unfold the solar plate from the display to charge the electrically-connected battery of the mobile phone, thereby to overcome the inconvenience in supplementing the electricity of the battery.
Abstract:
A communication apparatus with a solar energy charging function includes a main system and a display device movably and pivotally coupled to the main system to define a foldable mobile phone, and a solar panel is coaxially and pivotally coupled to a pivotal connecting position of the display device and the main system, such that the solar panel can be folded and covered onto an external distal surface of the display device. If the battery power of the mobile phone is low, users can lift the solar panel open from the display device to charge the battery that is electrically coupled to the mobile phone, so as to enhance the power capacity, using time limit and battery charging requirements of the communication apparatus.
Abstract:
A high thermal conductivity thermal interface material compound includes 53% by weight of polyethylene glycol, 42% by weight of silicon carbide, and 5% by weight of lithium ions. The method of fabricating the thermal interface material includes the steps of: filling the above-described compound in a container and blending them to form aggregative compound by a blender; mixing the compound by a rolling machine to disperse the aggregative compound and filling the compound to another container; blending the compound and breaking the air bubble generated thereof, and pumping the air out of the container by a vacuum pump at the same time, to fabricate the high thermal conductivity thermal interface material compound without air bubbles.
Abstract:
A heat sink includes a heat dissipation fins assembly, a heat spreader, and a heat pipe. The heat dissipation fins assembly includes a plurality of heat dissipation fins. A guide plate extruding from a bottom of each of the heat dissipation fins. The guide plate being connected to an adjacent heat dissipation fins. The heat dissipation fins are connected in series by the guide plate thereby defining a number of air channels. Each heat dissipation fin includes a through hole defined therein and aligned with each other. The heat spreader is disposed under the heat dissipation fins assembly and a through groove is formed in the heat spreader. A heat pipe passes through the through hole and the through groove. The heat sink has improved heat dissipation efficiency.