53results about How to "Simple and effective structure" patented technology

The invention is directed to a cable breakout assembly (1) comprising a first gland for a feeder cable (10) and several second glands (13) for power feeder subassemblies (12) and an enclosure (2) comprising at least one carrier (3). The at least one carrier is suitable to be interconnected to at least one second gland.

A variable capacitance device includes: a supporting substrate having a plurality of variable capacitance elements formed thereon, the plurality of variable capacitance elements being connected in series, wherein each of the plurality of variable capacitance elements has a separate lower electrode, or at least some of the plurality of variable capacitance elements share a lower electrode, thereby forming a plural set of the lower electrodes that serves as the lower electrodes of the respective variable capacitance elements, wherein the variable capacitance device further includes an insulating moisture-resistant film and a conductive adhesive film, and wherein the conductive adhesive film and the insulating moisture-resistant film have a gap in a plan view between at least some of regions where the plural set of the lower electrodes are respectively formed so as to avoid electrical leakage between said at least some of regions through the conductive adhesive film.

The invention discloses a basketball automatic ball collection device, which mainly relates to the field of basketball facilities. Including ball collecting machine, basketball net bag, basketball, RFID electronic tag is installed in the basketball, RFID radio frequency identification reader and infrared sensor are installed in the ball collecting machine, ball collecting machine includes ball collecting shell and pushing ball shell, collecting ball The front end of the ball casing is provided with a bell mouth, and the bell mouth is provided with a relatively rotating rotating blade, and the inside of the push ball casing is provided with a push plate and a ball outlet at the end. The ball outlet is used in conjunction with the basketball net pocket. , The basketball net pocket is provided with a reel for rolling up the basketball net pocket. The beneficial effect of the present invention is that it can automatically pick up scattered basketballs in the basketball court and store them, which greatly facilitates the ball picking link in basketball training, improves training efficiency, and saves manpower and physical energy consumption.

The invention provides a mechanical transfer arm which comprises a first-stage driving device, a second-stage driving device and a third-stage driving device. A fourth-stage driving device or more can be arranged as needed. The first-stage driving device is connected with the third-stage driving device through a plug pin mechanism capable of being automatically opened and closed, so that three grades of mechanical transfer arms which are nested extend out in sequence, and the maximum extension amount can reach more than 850 mm. The device is concise and effective in structure, and the design pays attention to the compatibility of different ultrahigh vacuum experiment systems, so that the cost is reduced, operation is simplified, and the application range is widened.

The invention belongs to the technical field of solar cells and relates to a three-dimensional silicon-based micro-nano photonic crystal solar cell. The three-dimensional silicon-based micro-nano photonic crystal solar cell is characterized in that a front electrode is arranged on the lower surface of a front contact layer, a three-dimensional silicon-based micro-nano photonic crystal solar cell structure is arranged between the front electrode and a back electrode, an upper layer of the three-dimensional silicon-based micro-nano photonic crystal solar cell structure is an n-type silicon semiconductor layer while a lower layer thereof is a p-type silicon semiconductor layer, the front electrode is embedded into the bottom of a line defect waveguide of the n-type silicon semiconductor layer, the p-type silicon semiconductor layer can form a plane with the back electrode, a back contact layer is arranged at the bottom of the back electrode, and the back electrode is arranged in a slow light region or a forbidden band region of the p-type silicon semiconductor layer. The three-dimensional silicon-based micro-nano photonic crystal solar cell has the advantages of small thickness, material saving, short current carrier diffusion distance, high stability, high transmission efficiency, there-dimensional structure regularity, flexibility and mature processing and compositing techniques, and therefore can be developed as a new-generation low-cost efficient solar cell device with the highest potential.

The invention discloses an integral double-layer low-pressure inner cylinder of a steam turbine, which comprises an outer inner cylinder, an inner inner cylinder, a steam inlet chamber and a partition sleeve; the outer inner cylinder, the inner inner cylinder, the air intake chamber and the partition sleeve are cast or welded as a whole; there are several regenerative steam extraction chambers and corresponding regenerative steam extraction ports arranged on both sides of the steam inlet chamber; the steam inlet chamber has a steam inlet and a steam inlet annular channel; the steam inlet annular There is a complete circle of inner and inner cylinders between the channel and the low-pressure first heat recovery steam extraction port of the outer and inner cylinders, forming a steam expansion flow channel to both ends. In the present invention, by setting up a complete circle of inner cylinders, using the lower space of the low-pressure inner cylinders to arrange low-pressure-regeneration steam extraction ports, the low-pressure steam intake and high-temperature parts can be cooled by reheating and low-pressure steam extraction, and the thermal stress is greatly reduced; There is no need to set up additional cooling steam introduction and drainage systems, and it will not cause interstage steam leakage; at the same time, the number of suction port openings is reduced, the structure is simplified, and the sealing reliability, durability and economy of the low-pressure inner cylinder are improved.

The invention discloses an optical fiber drawing process which comprises: 1, a melting drawing process; 2, a sizing cooling process; 3, a primary coating process; 4, a primary curing process; 5, a secondary coating process; 6, a secondary curing process. In the step 3 and the step 5, the same centralized feeding system is adopted; the centralized feeding system comprises a feeding system and a feeding tank; the feeding system conveys a paint to the feeding tank by a pipeline; the feeding tank comprises a temperature control system; the temperature control system controls a paint temperature inthe feeding tank to be constant; the feeding tank conveys the paint into a coating device. According to the invention, by adopting the centralized feeding system to uniformly carry out supply and conveying of the paint, labor intensity of personnel is reduced, the continuity of production is ensured, and meanwhile, the temperature control system is utilized to guarantee the paint temperature in the feeding tank to be constant so as to ensure that viscosity of the paint entering the coating device is proper.