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2results about How to "Increased longevity" patented technology

Connection fitting and method for manufacturing same, and mould device

ActiveCN117183161BIncreased longevityDomestic articlesHaberdashery
Provided are a connector fitting, a manufacturing method thereof, and a mold device. Shortening of mold life, which directly affects manufacturing cost of the connector fitting, is avoided or suppressed. A connector fitting (1) includes: a two-dimensional array (20) of engagement elements (2) configured with a plurality of engagement elements 2 corresponding to a plurality of lattice points of a planar lattice; a plurality of first ribs (31); a plurality of second ribs (32); and a plurality of openings (4) formed in a connection region (15) in which the two-dimensional array (20) is provided. The first ribs (31) link engagement elements (2) adjacent to each other in a first direction. The second ribs (32) link engagement elements (2) adjacent to each other in a second direction different from the first direction. The plurality of first ribs (31) and / or the plurality of second ribs (32) are provided in a manner that two or more openings (4) having an opening area corresponding to two or more unit lattices of the planar lattice are included in the plurality of openings (4).
Connection fitting and method for manufacturing same, and mould device
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Owner:YKK CORP

Boost circuit with continuous output current and boost control method

PendingCN121966278Areduce dependenceavoid lossDc-dc conversionElectric variable regulationIsolatorControl engineering
The invention discloses a Boost circuit with continuous output current and a boost control method, and belongs to the technical field of circuits. In a starting mode, the drive control module controls a first inductor in the oscillation elimination module to be connected to a path, controls a first switch tube and a second switch tube in the power half-bridge to work alternately, and transmits current output by the input power supply to the LCL module through the oscillation elimination module and the power half-bridge, and the LCL module provides continuous output current to the output module. The output voltage is monotonically increased from zero to a target value; the driving control module controls a third switch tube in the oscillation elimination module to be connected to a path, controls a first switch tube and a second switch tube in the power half-bridge to work alternately, and transmits current output by the input power supply to the LCL module through the oscillation elimination module and the power half-bridge, and the LCL module provides continuous output current to the output module; and the output voltage or the output current is constant. According to the invention, oscillation can be eliminated, isolators are saved, and the circuit structure is simplified.
Boost circuit with continuous output current and boost control method
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Owner:HANGZHOU YUANXIN SEMICON TECH CO LTD