31results about How to "Enough cooling area" patented technology

The invention provides an LED bulb which comprises a lamp cap, a lamp holder, a light source module provided with an LED and a circuit board and a radiating column that is used for realizing omnibearing lighting angel by increasing the height of a light source and has the function of radiating; wherein, the lamp holder is a radiator, one end of which is connected with the lamp cap, and the other end is provided with the radiating column; the free end of the radiating column is fixed with the light source module; thus, the radiating column can heighten the position of the light source to shiftthe light source out of the lamp holder and increase the irradiation angle of the light source, thus realizing approximate 360-degree lighting effect of the LED bulb and improving the defect that thelight rays of the LED are blocked out by the lamp holder since the LED is installed at the rear part of a base plate of the lamp holder, close to the horizontal direction; the radiating column also has the function of radiating, so that the heat generated by the LED in the working period can be quickly transferred to the radiating aluminum lamp holder contacted with the air through the radiating column, thus enlarging the radiating area, fully guaranteeing the radiating requirements and the service life of the LED, reducing the weight of the high-power LED bulb and not increasing the size of the bulb.

The present invention relates to a virtual instrument platform. The platform comprises a housing, a board card and a mainboard, wherein the mainboard and the board card can be detachably connected to each other, both the board card and the main board are located out of the housing, a board card interface hole is pre-arranged on the surface of the housing, and a board card interface that connects the board card with an external device is exposed outside by means of the board card interface hole. The virtual instrument platform further comprises a touch display screen, wherein the touch display screen is mounted on the housing and forms a panel structure together with the housing. In the implementation mode of the present invention, the housing further comprises a body and a side cover, wherein the side cover and the body can be detachably connected with each other and the side cover is located on one side of the board card. Compared with the prior art, the virtual instrument platform provided by the present invention has an in-built board card, has relatively high mobility and stability and has a better weak three-proofing ability, without being limited by the application environment and the scenarios.

The invention discloses an LED lampwick for street lamp which has great heat dispersion, simple structure, low cost and convenience of improving original street lamps, comprising a circuit board and an LED mounted on the circuit board, further a base connected with a front cover of a lamp cover of original street lamps and made of heat radiating material, a first support element mounted on the circuit board and made of heat radiating material, a plurality of second support elements for supporting the first support element and made of heat radiating material and at least a radiating piece mounted between the base and the first supporting element; one end of the second supporting element is connected with the first supporting element and the other end is connected with the base. A pitch exists between two adjacent second supporting element; one end of the radiating piece is connected with the first supporting element and the other end is connected with the base.

The invention discloses an optical machine for digital light processing. An optical modulation module and a second optical path module are stacked on the upper end of the first optical path module, so that in a three-dimensional coordinate system with the connection point between the optical modulation module and the first optical path module as the coordinate origin Among them, the propagation direction of the optical path is: reaching the projection lens along the negative direction of the X axis, the positive direction of the Z axis, and the positive direction of the X axis in turn; the projected area on the XOZ plane is larger than the projected area of ​​the digital light processing optical machine on the XOY plane; the first optical path module The side wall is provided with support feet extending along the negative direction of the Z-axis, and the support feet are used to support the first optical path module, so that there is an interval between the lower cover and the end face of the worktable; A plurality of terminals for optical device connection, and a plurality of thermal vias provide channels for conducting heat. The heat dissipation effect of the digital light processing optical engine is improved, and the total area of ​​the digital light processing optical engine is also reduced.

The invention discloses a reinforcement construction method and particularly relates to a construction method for reinforcing a large rock slope deep weak structural plane. The construction method comprises the following steps: A, excavating a main tunnel along the direction of the deep weak structural plane of a rock slope, performing temporary support, and then drilling drainage holes on a tunnel soffit; B, excavating branch tunnels from two side walls of the main tunnel to the top wall and bottom wall directions of the deep weak structural plane, performing temporary support and then drilling drainage holes on tunnel soffits; and C, backfilling concretes into the main tunnel and the branch tunnels, and arranging steel bars to reinforce the backfilled concrete, wherein concrete backfilling is at least divided into two following construction period: in the first construction period, the backfilled concretes are backfilled along the peripheral inner walls of the main tunnel and the branch tunnels in a covering way, backfilling layers of the first construction period are formed on the walls of the main tunnel and the branch tunnels after the first construction period of concrete backfilling is finished, and the residual spaces of the main tunnel and the branch tunnels are utilized as grouting galleries; and after the backfilled concretes of the first construction period are solidified, the backfilled concretes of the residual construction period are utilized to fill the whole grouting galleries.

The invention discloses a light emitting diode (LED) automobile high beam, which comprises a reflecting cup. The high beam is characterized in that: the reflecting cup comprises a first parabolic surface, a second parabolic surface, a third parabolic surface and a fourth parabolic surface; the first parabolic surface is connected with the fourth parabolic surface; the first parabolic surface is totally symmetrical with the third parabolic surface, the second parabolic surface and the fourth parabolic surface are restrained by the same parabolic surface equation, and the area of the fourth parabolic surface is greater than that of the second parabolic surface; and the focal points of all the parabolic surfaces are superposed, an LED luminous source group is arranged at the focal points, and the LED luminous source group is fixed on an LED installation base. By adopting the automobile high beam, the emergent light spot is a rectangular light spot at the same time of ensuring that the emergent light is parallel light, and dizziness of the high beam and irradiation on human eyes are furthest reduced.

The invention discloses a heat dissipation structure of an LED lamp and an LED energy-saving lamp adopting the heat dissipation structure, wherein the first heat dissipation component is an outer heat dissipation component of the LED light heat dissipation structure, and the second heat dissipation component is an inner heat dissipation component of the LED light heat dissipation structure; The outer surface of the second heat dissipation member is connected with a plurality of protruding second heat dissipation fins. A heat dissipation fin, the bottom end of the inverted first heat dissipation member and the outside of the second heat dissipation member leave a heat dissipation height separation space that conducts the heat generated by the LED chip to the second heat dissipation member and quickly radiates it in the convective air. With sufficient heat dissipation area, it has more heat dissipation area than conventional heat dissipation aluminum parts, and has more convective air flow, which can quickly generate air convection in the inner and outer cavity of heat dissipation aluminum parts, and achieve the effect of rapid heat evacuation.

The invention relates to the technical field of vacuum metallurgical equipment, in particular to an electro-magnetic induction internal thermal type metallic magnesium vacuum reduction furnace which comprises a furnace body. A material basket (8) is arranged in the furnace body, and a central channel penetrating through the bottom face of the material basket (8) is formed in the center of the material basket (8). One or more heating cylinders (7) are concentrically arranged in the material basket (8). The material basket (8) and the heating cylinders (7) are filled with furnace burdens (9). A rectangular iron core is arranged in the furnace body. One long edge of the rectangular iron core penetrates through the central channel of the material basket (8), and a primary side coil (12) is wound around the other long edge of the rectangular iron core. The leading-out end of a copper winding of the primary side coil (12) is led out of the furnace through an insulated sealing device on the furnace body and is connected with a power source device. The electro-magnetic induction internal thermal type metallic magnesium vacuum reduction furnace is reasonable in design, distribution of a temperature field of the reduction furnace can be regulated, and heat transfer efficiency is high; the vacuum reduction furnace is used for high-vapor-pressure metallothermics production of magnesium, lithium, strontium, calcium and the like.