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Track lamp capable of quickly installing optical accessories
ActiveCN224229860Uprecise positioningquick connectionLight fasteningsLamp shellMechanical engineering
The utility model belongs to the technical field of track lamps, and particularly relates to a track lamp capable of quickly installing optical accessories, which comprises a lamp shell, a light-emitting component, a lens support, an accessory supporting ring and an accessory pressing ring. A groove is formed in the inner wall of the end, close to the light-emitting assembly, of the lamp shell, the accessory supporting ring is clamped into the groove, internal threads are arranged on the inner wall of the accessory supporting ring, external threads matched with the internal threads are arranged on the outer side wall of the accessory pressing ring, and the accessory pressing ring is connected with the internal threads of the accessory supporting ring through the external threads. A mounting position for mounting an optical accessory is arranged between the accessory supporting ring and the accessory pressing ring, the accessory supporting ring is used for fixing the lens support, and the accessory pressing ring is used for fixing the optical accessory. According to the utility model, through mutual cooperation of the accessory supporting ring and the accessory pressing ring, rapid installation and replacement of the optical accessory and the lens can be realized.
Owner:ZHONGSHAN OBALS LIGHTING & ELECTRIC CO LTD
A yarn package control system
The utility model discloses a yarn disc control system, including frame, control unit, yarn disc, driving gear and driven gear, control unit fixedly set up on frame, yarn disc rotatable installation is in on frame, the output shaft of control unit is connected with driving gear fixedly, driven gear is connected with yarn disc, driving gear is engaged with driven gear. This yarn disc control system effectively avoided the problem of yarn disc slip, can stable accurate control yarn disc movement simultaneously, and long service life, and the installation and maintenance are convenient.
Owner:ZHONGSHAN PLUS INTELLIGENT EQUIP TECH CO LTD
Glue pouring mold of PCBA (Printed Circuit Board Assembly)
ActiveCN224183524UReduce difficultyLow structural requirementsPrinted circuit secondary treatmentDomestic articlesMechanical engineeringPrinted circuit board
Owner:SHENZHEN BASEUS TECH CO LTD
METHOD OF FORMING CELLULOSE PRODUCTS IN A FORMING MOLD SYSTEM FROM A CELLULOSE RAW STRUCTURE, FORMING MOLD SYSTEM AND CELLULOSE RAW STRUCTURE
A method for forming cellulose products in a forming mould system from an air-formed cellulose blank structure, where the forming mould system comprises one or more forming moulds. Each forming mould comprises a first mould part and a second mould part configured for cooperating with each other during the forming of the cellulose products. The method comprises the steps: providing the cellulose blank structure, and in the cellulose blank structure defining one or more product sections and a residual section surrounding or arranged in connection to the one or more product sections; compressing at least a portion of the residual section to a first degree of compression higher than a degree of compression of the one or more product sections.
Owner:PULPAC AB
A small high-precision temperature control device
ActiveCN117533529BExcellent temperature stability controlHigh temperature control accuracyCosmonautic environmental control arrangementTemperature controlClosed cavity
This invention relates to a small, high-precision temperature control device, belonging to the field of spacecraft thermal control technology. A cover plate and a base plate form a closed cavity, which is installed inside the satellite via a heat insulation pad. The temperature-controlled device is mounted on the base plate inside the closed cavity via the heat insulation pad. Heaters and temperature sensors are installed on the temperature-controlled device, the base plate of the temperature control device, and the cover plate, respectively. Depending on the heat dissipation of the temperature-controlled device, thermal insulation or heat dissipation-enhancing thermal control coatings are selected between the temperature-controlled device and the temperature control device, and between the outside of the temperature control device and the satellite. By setting conditional formulas, the controlled temperature of the object, the controlled temperatures of the cover plate and the base plate, the surface area of the cover plate and the base plate, the designed temperature control power of the object, and the designed temperature control power of the cover plate and the base plate are determined, and their rationality is confirmed through parameter verification. This invention can significantly suppress the influence of satellite temperature fluctuations on the temperature of the controlled object, achieving high-precision temperature control of the controlled object.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY