7results about How to "Rapid divergence" patented technology

This utility model discloses a semiconductor packaging structure with a heat sink in a molded enclosure, including a frame body and a packaging module disposed on the frame body. The packaging module includes at least a molded enclosure carrying a heat sink, a chip, and bonding wires placed within the molded enclosure. The chip is mounted on the upper surface of the frame body, and the bonding wires electrically connect the chip and the frame body. The heat sink is disposed at the bottom of the molded enclosure, with several grooves formed on its upper surface and embedded within the molded enclosure, while its lower surface is exposed to the air outside the bottom of the molded enclosure. Compared with traditional molded enclosures containing only molding compound, this packaging structure provides an additional effective heat dissipation path by placing a heat sink on the surface of the molded enclosure, thereby improving the heat dissipation performance of the packaging structure. Furthermore, this packaging structure is simple in form, easy to manufacture, and low in cost, making it highly suitable for large-scale industrial production applications.

The utility model discloses a kind of heat dissipation mechanisms of intelligent temperature control PCBA board, it is related to PCBA board heat dissipation technical field, including heat conducting component and combined strut, it is characterized by: the bottom four diagonally of heat conducting component is vertically installed with combined strut, and the bottom end of combined strut is connected with support frame, and the bottom middle of support frame is installed with fan mechanism component, and fan mechanism component and heat conducting component are connected with sensing line between left and right symmetry. The heat dissipation mechanism of this intelligent temperature control PCBA board, by the structural setting of heat conducting component, cooperate the structural setting of fan mechanism component, can be according to the surface temperature of PCBA board Intelligent control is carried out, and good structure heat dissipation is realized, to this end guarantee the good operation of PCBA board, simultaneously cooperate the structural setting of combined strut, can heat conducting component be fixed in the top of support frame, and cooperate the structural characteristics of support frame itself, better structure fixation can be realized, to guarantee the structural stability of PCBA board.

The utility model relates to the technical field of solar heating, and discloses a heat pump auxiliary solar heating device, which comprises a guide mechanism, a heat exchange mechanism, a light gathering mechanism and a drainage mechanism, the heat exchange mechanism comprises a guide cylinder and a plurality of radiating fins, the guide cylinder is detachably connected to the middle of the inside of the guide mechanism, and the radiating fins are detachably connected to the guide mechanism. The multiple cooling fins are fixedly connected to the outer surface of the guide cylinder. And the condensation mechanism is fixedly mounted on one side of the outer surface of the guide mechanism. According to the heat pump assisted solar heating device, the outer surface of the guide cylinder is fixedly connected with the cooling fins, the heat exchange area is increased, meanwhile, air flows in the guide mechanism and makes contact with the cooling fins for heat exchange in a long distance, the circulated air can be fully heated, the heat exchange efficiency is improved, heat is more efficiently utilized, and the heat exchange efficiency is improved. Meanwhile, a backflow pipe and a protective sleeve of the drainage mechanism are arranged on the condensation side of the condensation mechanism, and the condensation mechanism can reflect and gather sunlight which cannot be blocked by the backflow pipe.

The application discloses an internally supported high-strength battery tray aluminum profile and relates to the field of new energy automobile battery assemblies.The internally supported high-strength battery tray aluminum profile comprises a main frame made of an aluminum profile and a cover on the main frame, a first mounting seat is fixed to the outside of the main frame to connect the main frame and a vehicle frame, a bottom supporting plate is arranged in the main frame, a first movable groove is formed in the main frame to provide support for the bottom supporting plate, a first elastic connecting pad is fixed to the outside of the bottom supporting plate to seal the connection between the bottom supporting plate and the first movable groove.The main frame made of the aluminum profile provides installation space for a battery pack, the bottom supporting plate arranged below the main frame can move, a reinforcing anti-collision mechanism is further arranged below the bottom supporting plate, and the reinforcing anti-collision mechanism can buffer the impact when the bottom of the battery pack is subjected to a serious impact or collision, so that the damage to the battery in the main frame is reduced.

This utility model relates to the field of permanent magnet synchronous motor technology, and in particular to a heat dissipation base for a permanent magnet synchronous motor. The base includes a permanent magnet synchronous motor body and a first heat sink. The first heat sink is located on the outer side of the permanent magnet synchronous motor body. In this utility model, by setting a heat-conducting plate, a second heat sink, a flow equalizing plate, a support frame, a cooling fan, an air inlet slot, and a filter plate, when the permanent magnet synchronous motor body is powered on, the support frame supports the cooling fan. The cooling fan is started by an external controller, causing it to rotate and allowing air to quickly enter the base body through the air inlet slot, accelerating air circulation. The flow equalizing plate ensures uniform air distribution, the heat-conducting plate conducts heat to the bottom of the permanent magnet synchronous motor body, and the second heat sink increases the heat dissipation area, allowing heat to dissipate quickly and flow out from the heat dissipation slot. This device enables the base body to have a heat dissipation function and improves the overall heat dissipation efficiency.

The utility model discloses multifunctional yellow resistance test equipment, which belongs to the technical field of aging test, and comprises a cabinet body, an auxiliary device, a constant temperature device, a telescopic rotating device and a light source adjusting device, the auxiliary device is arranged on the left side of the cabinet body, the constant temperature device is arranged on the right side of the cabinet body, and the telescopic rotating device is arranged on the right side of the cabinet body. The telescopic rotating device is installed in the middle area of the right side of the cabinet body, the light source adjusting device is installed on the upper right side of the cabinet body and comprises a shading ring, a first support, a second support, a rotating frame, a first rotating plate and a second rotating plate, and the shading ring is fixedly installed on the upper side of the interior of the cabinet body; the first support is fixedly installed on the left side of the shading ring, the second support is fixedly installed on the rear side of the shading ring, and the rotating frame is rotationally connected to the second support through a rotating shaft. Through the mode, the front-back and left-right illumination angles of the lamp can be quickly adjusted, and the illumination effect of a product to be tested can be quickly focused or diffused.

This application discloses a forced ventilation cooling DC converter, including a housing and a circuit board with electrical components, and a heat dissipation hole group disposed on the peripheral wall of the housing; a pair of opening and closing plates that can slide in the inner cavity of the housing; and an opening and closing actuation device for controlling the opening and closing of the pair of opening and closing plates. The heat dissipation hole group includes two rows of side holes symmetrically disposed on the front and rear side walls of the housing; and a pair of central holes symmetrically disposed on the left and right side walls of the housing. Each opening and closing plate moves along a direction parallel to the axis of the side holes. By adopting the above technical solution, in daily use, the opening and closing actuation device drives the pair of opening and closing plates to repeatedly open and close, thereby allowing external air to enter the inner cavity of the housing through the side holes and central holes, dissipate heat from the electrical components, and then be discharged.