43results about How to "Applicable usage requirements" patented technology

The invention relates to an organic silicon encapsulating material for a high-power LED and a preparation method thereof. The organic silicon encapsulating material is prepared by mixing a component A containing vinyl polysiloxanes, a silicone resin component B, a component C containing hydrogen polysiloxane, a platinum catalyst component D, a component E of catalytic inhibitor of acetylene alcohols and a tackifier component F. The obtained encapsulating silicon rubber with different refractive indexes of level 1.4, level 1.5 and the like can be used for the encapsulation of various high-power LEDs and the encapsulation of other optical application. The organic silicon rubber encapsulating material for the high-power LED takes the silicone resin component B as a filling material, which not only enables that the silicone rubber has high transparency, high strength and high light transmittance, but also improves the temperature resistance, the yellowing resistance, and the durability of the high light transmittance of high-power LED products. The organic silicon rubber encapsulating material for the high-power LED can be prepared into two encapsulating forms of a single component and bi-component, which improves the adaptability and the encapsulating efficiency for encapsulating equipment and process procedures, and has the characteristics of reduced cost and convenient use.

The invention discloses a locking mechanism with the two-stage unlocking function. The locking mechanism comprises a socket shell, a plug shell, a handle and a locking piece. The socket shell and the plug shell are connected in an inserted mode. The locking piece is arranged on the handle. The two sides of the socket shell are respectively provided with one first rotating shaft. The two rotating shafts are symmetrical in position. Each first rotating shaft is provided with a flange in the long axis direction. The two sides of the plug shell are respectively provided with a second rotating shaft. The two second rotating shafts are symmetrical in position. Each second rotating shaft is provided with a protruding key in the long axis direction. The two sides of the handle are symmetrically provided with a locking track and an unlocking track. The unlocking track is divided into a first-stage track and a second-stage track. The locking mechanism is small in size, so that a connector is locked or unlocked in a small space; the locking mechanism has the two-stage unlocking function, the high-voltage interlocking function of the connector can be well achieved, the secondary locking function enables the connector to be locked reliably, and the locking mechanism particularly meets the requirement for the electric connector from a new-energy automobile and has high practical value.

The invention discloses a high voltage belt shielding power socket. The high voltage belt shielding power socket comprises contact pin fixing covers, shielding cases, contact pin assemblies and a socket shell, wherein a flange plate is arranged at one end of the socket shell; installation via holes are formed in the flange plate; the two opposite sides of the socket shell are each provided with a hollow cylindrical rotary shaft; two shielding installation cylinders are arranged in the socket shell; hexagonal rotation stopping contact pin installation holes are formed in the bottom of the plugging portions of the shielding installation cylinders, the bottoms of the hexagonal rotation stopping contact pin installation holes are connected with cylindrical contact pin positioning devices, and hanging tables are arranged on the outer walls of the cylindrical contact pin positioning devices. The parts complex in structure are formed by a mould, and compared with a traditional socket, the high voltage belt shielding power socket has the advantages of being small in size, good in shielding performance, low in production cost, high in production efficiency, and the like.

The invention discloses a split type high-accuracy antenna reflector adopting an all-composite material, and relates to the fields of wireless detection, satellite communication, electronic measurement and control, electronic interference and the like. The antenna reflector adopts a split structure and comprises a center section and a plurality of fan-shaped sections uniformly distributed around the center section, wherein the center section comprises a center reflection panel, a center base fixedly connected to the back of the center reflection panel, a plurality of long reinforcing ribs and a plurality of short reinforcing ribs; the fan-shaped sections comprise fan-shaped reflection panels and reinforcing ribs fixedly connected to the backs of the fan-shaped reflection panels; the center section and the fan-shaped sections are detachably connected, and the plurality of fan-shaped sections are detachably connected; and the center reflection panel and the plurality of fan-shaped reflection panels jointly form a reflection panel of the antenna reflector. According to the split type high-accuracy antenna reflector adopting the all-composite material, the split mode of a large-diameter antenna is optimized, meanwhile, the reflection panel and a reinforcing back frame are integrally designed, the structure is stable, and transportation, erection and operation of the antenna reflector are facilitated.

The invention relates to an ASA 3D printing wire with low warpage at low temperature and a preparation method thereof. According to the method, the ASA 3D printing wire with the low warpage at low temperature is prepared by taking 55-70 parts of ASA resin as a raw material adding 20-35 parts of an elastomer-aramid pulp composite, 3-12 parts of a compatibilizer, 3-8 parts of a tackifier, 0.2-1 partof an antioxidant and 0.2-1 part of paraffin oil through drying and dehumidifying, material mixing, melting blending, extrusion molding and traction winding. The wire rod does not generate shrinkageand warpage when molded under the condition of lower bottom plate temperature, has excellent mechanical property, good bonding property and excellent weather resistance, and has wide application fieldand high application value.

The invention discloses a single-chip internal-focusing optical lens comprising a first lens 1 having a negative focal power, a second lens 2 having a positive focal power, a third lens 3 having a negative focal power, a fourth lens 4 having a positive focal power, a fifth lens 5 having a positive focal power, a sixth lens having a positive focal power, a seventh lens 7 having a negative focal power, an eighth lens 8 having a negative focal power, a ninth lens 9 having a positive focal power, a filter 10, a compensating piece 11, and an image plane 12. According to the invention, with back-and-forth movement of the ninth lens, field curvature compensation and the focusing functions under different object distances are realized; and clear imaging of the lens at different object distances isensured under the condition of unchanging of the image plane.

The invention discloses an integral 120-degree outlet electrical connector plug, belonging to the technical field of the electrical connector, which comprises a plug housing, a plug front mounting plate, a sealing ring, a pin assembly, a signal short connector and a plug tail cover. The plug shell comprises a front end of the plug shell and a rear end of the plug shell connected with the front endof the plug shell, wherein the pin assembly is arranged in a receiving cavity of the pin assembly, and a signal short connector is arranged in the receiving cavity of the short connector. A shield contact spring mounting groove is arranged at the front end of the plug housing, and a shield contact spring is arranged in the shield contact spring mounting groove; The inside of the rear end of the plug housing is provided with an adapter accommodation cavity at a position communicating with the accommodation cavity of the plug front mounting plate. The invention solves the problems of large volume, low assembling efficiency, low shielding effectiveness and high cost of the existing 120-degree electrical connector plug by adopting the integral 120-degree outlet connector plug. Compared with the prior art, the invention has the advantages of small volume, high assembling efficiency, high shielding effectiveness and low cost.

The invention provides a 220kV and lower voltage level skid-mounted electronic control integrated substation. The substation is provided with a main transformer room and a main transformer heat dissipation room. The substation includes a skid body, an automatic control protection unit, an intelligent power supply unit, an operation and maintenance Environmental intelligent monitoring system, intelligent equipment management service system. The high-voltage power distribution unit adopts GIS combined electrical equipment, and the basin insulator is used to connect the busbar. The basin insulator uses a double circular shielding inner ring structure, and the double sealing ring is used for gas sealing. The double circular shielding is determined according to the preset constraints and objective function Each design parameter in the inner ring structure is shielded. The invention enables remote control personnel to pay attention to abnormal information more quickly and take corresponding measures, which not only makes the interaction between the equipment and the remote control center and the client more efficient and smooth, but also improves the safety and automation level of device operation. It is suitable for the power supply needs of scattered equipment in oil and gas field engineering.

The double-channel bladeless fan comprises a fan supporting frame, supporting legs, an upper air outlet frame body, air guide barrels and a lower air outlet frame body, a driving base is movably installed in an installation groove through a rotating shaft, and the upper air outlet frame body and the lower air outlet frame body are fixedly installed at one ends of the two sets of air guide barrels correspondingly; a second air duct is formed between the first air deflector and the second air deflector; the movable driving seat is arranged in the mounting groove in the fan supporting frame, the upper air outlet frame body and the lower air outlet frame body are arranged on the upper portion and the lower portion of the driving seat correspondingly, the double-air-outlet-frame-body structural design is adopted, the air outlet area can be effectively increased, the fan is suitable for being used by multiple persons in a large scene, and the upper air outlet frame body and the lower air outlet frame body are pulled by the pull wire, so that the fan is more convenient to use. The upper air outlet frame body and the lower air outlet frame body can rotate towards the two sides, then the air outlet position is adjusted, air is supplied to users at different positions, the air volume of the upper air outlet frame body and the air volume of the lower air outlet frame body can be independently adjusted, and therefore a double-area air supply area is formed and meets the use requirements of different crowds.

The invention belongs to the technical field of cloth spreading equipment, and particularly relates to a width-adjustable cloth spreading table. The width-adjustable cloth spreading table comprises a fixed framework and a movable framework, wherein one side of the movable framework extends into the fixed framework; the fixed framework is connected with the movable framework through a drive mechanism; and under action of the drive mechanism, the movable framework moves in the width direction of the fixed framework to move outwards or shrink inwards to regulate width of the cloth spreading table. The width-adjustable cloth spreading table can freely adjust width within a range of 1600mm-2400mm, is suitable for using requirements of any-width fabric within the range, avoids the problem that a cloth spreading table needs to additionally arrange in the prior art for meeting the using requirements, and ensures that machines of different types can be normally used.

The invention discloses a bending type shielded MCU (Micro Control Unit) bus plug and relates to the field of electrical connectors in the field of new energy vehicles, industrial equipment and urban rails and railway vehicle electrical appliances. The bending type shielded MCU bus plug consists of a lower shielding cover, a jack mounting plate, an upper shielding cover, a jack component, a sealing ring, a plug housing, a locking block, a handle, a left shielding cover, a protective sleeve, a right shielding cover, a self-locking nut, a connecting terminal, a shielding cushion cover, a shielding pressure sleeve, a wire sealing body and a tail cover. With the adoption of threaded switchover, bending type wire outgoing is realized; in an assembly state, the two ends of the jack component are respectively fixed in a jack mounting hole and a jack positioning hole of the plug shell; the connecting terminal is rigidly connected with the jack component through connecting threads, so that when a cable is subjected to axial stress, the jack component cannot incline at an inserting position. The bending type shielded MCU bus plug has the advantages of being small in size, good in shielding effectiveness, low in production cost, high in production efficiency, easy to operate, reliable in contact part contact and the like.

The invention relates to a phase change heat exchanger used for a high-performance computer. The phase change heat exchanger is provided with a condenser shell, a condensation enhancement pipe is transversely arranged in the condenser shell, the left end and the right end of the condensation enhancement pipe are provided with a water inlet end cover and a water return end cover, a gaseous evaporation medium inlet is arranged at the position, above the condensation enhancement pipe, of the condenser shell, a subcooler is arranged at the bottom of the condenser shell, and is provided with a subcooler shell, multiple U-shaped supercooling pipes connected in an end-to-end manner are arranged in the subcooler shell, two water outlets hidden in the wall of the subcooler shell are formed in the upper end of the U-shaped supercooling pipe, the lower end of the U-shaped supercooling pipe is provided with two water inlets hidden in the bottom of the supercooler shell, a supercooling medium outlet is formed in the side wall of the supercooler shell, a liquid level detection instrument is arranged at the bottom in the condenser shell, and a protection liquid draining opening is formed in the side wall of the condenser shell. The heat exchanger is safer to use, and the cavitation effect on a pump can be effectively avoided.

The invention discloses an exhibition cabinet lamp with a rotary lamp cap. The lamp comprises a lamp body and a lamp cap which is rotationally connected to the lamp body, and is characterized in that: the bottom of the lamp cap is provided with an elastic driving component; the elastic driving component comprises a spring seat, a positioning pin, a spring and a pressing plate; the positioning pin is accommodated in the spring seat; the spring seat is provided with an end hole through which the head of the positioning pin extends out; the spring is sleeved outside the positioning pin; one end of the spring is axially limited on the positioning pin; a hole cavity is formed on the pressing plate; the spring seat is fixedly arranged in the hole cavity; the other end of the spring is axially limited in the hole cavity; the pressing plate is fixedly connected with the lamp body; and the spring makes the head of the positioning pin always extend out of the spring seat through an end hole and press against the bottom of the lamp cap. By the lamp, elastic pre-tightening force can be generated at the bottom of the lamp cap, the rotating force of the lamp cap can be adjusted by replacing the spring, and the exhibition cabinet lamp has a simple structure and is convenient to mount. Moreover, the lamp cap can be always pressed against the lamp body under the action of the elastic driving component, and the radiating efficiency is improved.

The invention discloses a convenient and adjustable LED lamp which comprises a lamp holder and LED lamps. The lamp holder is of an arched door type structure. The two ends of the lamp holder are together fixedly arranged on a fixed bottom plate. A groove is formed in the surface of the lamp holder in the vertical direction. The LED lamps are correspondingly arranged in the groove. A fixed press piece is correspondingly arranged at the tail end of each LED lamp and is of a splayed structure, and the tail end of each fixed press piece expands outwards. A clamp groove corresponding to the lamp holder with the groove is formed in the tail end of each fixed press piece. Limiting blocking pieces are correspondingly arranged at the positions, at the front end and the rear end of the correspondingclamp groove, of each fixed press piece. The convenient and adjustable LED lamp is formed by combining multiple adjusting mechanisms, is convenient and fast to use and high in adjustability and can be suitable for the use requirements of different lights.

The invention discloses a split-type high-precision all-composite material antenna reflector, which relates to the fields of wireless detection, satellite communication, electronic measurement and control, electronic interference and the like. The antenna reflector is a split-lobe structure, including a center lobe and a plurality of fan-shaped lobes uniformly distributed around the center lobe; the center lobe includes a center reflector panel and a center base fixedly connected to the back of the center reflector panel, a plurality of long Reinforcing ribs and multiple short reinforcing ribs; the fan-shaped petals include fan-shaped reflective panels and reinforcing ribs fixedly connected to the back of the fan-shaped reflective panels; the center petal and fan-shaped petals and multiple fan-shaped petals are connected in a detachable manner; the center The reflective panel and multiple fan-shaped reflective panels together form the reflective panel of the antenna reflector. The invention optimizes the split form of the large-diameter antenna, and at the same time integrates the design of the reflective panel and the reinforced back frame, has a stable structure, and is convenient for the transportation, erection and operation of the antenna reflector.

The invention relates to organic silicon resin encapsulant of large power LED and a preparing method thereof. The encapsulant is prepared by mixing composition A containing vinyl-containing polysiloxane as basic resin, composition B containing vinyl polysiloxane thinning agent, composition C containing hydrogen-containing polysiloxane, platinum catalyst composition D, catalytic inhibitor composition E and tackifier composition F; and the organic silicon resin encapsulant with high refractive index is obtained, and can be used for the encapsulation of various large power LEDs and the potting of other optical purposes. The method solves the problems of the increasing of resin molecular weight and the dissolving preparation of high molecular weight, and the like, by adopting thinning agent method, changes the toughness of resin by adopting cyclosiloxane as cross linker, and improves and maintains the refractive index by adopting refinement method. The method has the advantages that single component package mode and double component package mode can be prepared, the adaptability and the efficiency of encapsulation equipment and processing procedure can be improved, the cost is reduced, and the use is convenient.

The invention discloses a curved high-voltage shielding plug, which relates to the field of electrical connectors in the electrical fields of new energy vehicles, industrial equipment, urban rail and railway vehicles. It includes housing assembly, contact and mounting plate assembly, tail attachment. The shell assembly is composed of a locking handle, a lock block, a plug shell, a sealing ring, and a signal pin. The locking and unlocking of the connector is realized by using the mechanism that converts the rotary motion of the handle into the linear motion of the plug shell relative to the socket shell, and can normally use the electrical connector in the case of a relatively narrow operating space, which solves the problem of traditional electrical connection The locking method of the connector cannot be used normally in a narrow operating space. At the same time, the handle also has a power-assisted effect, which improves the ease of operation of the connector.

The invention provides a polystyrene permanent anti-blister sheet, which is characterized in that it includes a first layer and two second layers, the first layer is arranged between the two second layers; the first layer includes the following weight percentage Components: polystyrene 90‑95%; toughening agent 3‑5%; color masterbatch 2‑5%; the second layer includes the following components in weight percentage: polystyrene 90‑95%; polyaniline 1.5‑3 %; polypyrrole 1‑2%; compatibilizer 0.5‑1%; color masterbatch 2‑4%. The invention also provides a preparation method of the polystyrene permanent anti-blister sheet and a packaging and transportation container. Compared with the prior art, the present invention can effectively improve the antistatic effect of the sheet, making it more suitable for the use requirements of electronic trays.