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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 8. Отображено 8.
11-03-2015 дата публикации

Columnar optical fiber disperser and production method thereof

Номер: CN104407419A
Автор: ZHAO XIA, ZHANG ENLONG, LIU LIHUA, ZHAO XUAN, FANG XUAN, SU WU, NING QIANG, JIN AIHONG, JI JUNBING
Принадлежит:

The invention relates to a columnar optical fiber disperser and a production method thereof. An optical fiber comprises a glass tube (2), wherein one end of the glass tube (2) is provided with a rubber tube (4) in a sleeving manner, a reflecting body (1) is plugged into one end, adjacent to the rubber tube (4), of a tubular cavity of the glass tube (2), a dispersion fiber core (3) is inserted into the glass tube (2), one end of the dispersion fiber core (3) is close to the reflecting body (1), the other end of the dispersion fiber core (3) is provided with a reflecting ring (5) in a sleeving manner, one end of a transmission optical fiber is inserted into the glass tube (2), and the end surface of one end, inserted into the glass tube (2), of the transmission optical fiber is close to the end surface of one end, which is provided with the reflecting ring (5) in the sleeving manner, of the dispersion fiber core (3). According to the columnar optical fiber disperser and the production method ...

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Номер записи: 1
28-04-2023 дата публикации

Spiral beam-combining optical fiber

Номер: CN116027504A
Автор: ZHANG ENLONG, XU GUOQING, JIN AIHONG
Принадлежит:

According to the spiral beam combining optical fiber, the optical cable is designed to be of a spiral coil structure, the structure is simple, the length of the optical cable can be elastically stretched, bending is free, use is convenient and flexible, and the optical fiber cannot be damaged; the occupied space is small; the device can be widely applied to laser transmission and occasions requiring mobile terminal equipment; the reasonable spiral size design ensures the transmission efficiency of the optical fiber.

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Номер записи: 2
28-04-2023 дата публикации

High-energy combined optical fiber, optical fiber grinding clamp and high-energy combined optical fiber processing method

Номер: CN116027478A
Автор: ZHANG ENLONG, XU GUOQING, JIN AIHONG
Принадлежит:

According to the high-energy combined optical fiber, the optical fiber grinding clamp and the processing method of the high-energy combined optical fiber, the quartz protection window isolates the end face of the optical fiber from the outside and prevents the optical fiber from making contact with dirt such as external dust, no glue exists around the optical fiber, the optical fiber can bear high temperature, and the situation that the optical fiber is damaged due to influence and extrusion of thermal stress is avoided; the optical fiber protection window can be replaced, thereby facilitating product maintenance and prolonging the service life of the product.

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Номер записи: 3
02-05-2023 дата публикации

Manufacturing process of spiral optical fiber patch cord

Номер: CN116047686A
Автор: ZHANG ENLONG, XU GUOQING, JIN AIHONG
Принадлежит:

According to the spiral optical fiber patch cord manufacturing process provided by the invention, the optical fiber is shaped and then heated to form a spiral shape, so that the customization requirements of spiral optical fiber patch cords of energy transmission optical fibers with different core numbers and different diameters can be met, and the manufacturing difficulty of the spiral optical fiber patch cords is also reduced; the length, the spiral diameter and the number of turns of the spiral optical fiber can be accurately controlled.

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Номер записи: 4
27-07-2011 дата публикации

Preparation method of terpene polyester acrylate

Номер: CN0102134311A
Автор: HUI XIE, SONG TIAN, LI HUANG, TING WANG, TING QIAN, AIHONG JIN, XIE HUI, TIAN SONG, HUANG LI, WANG TING, QIAN TING, JIN AIHONG
Принадлежит:

The invention relates to a preparation method of terpene polyester acrylate. The method particularly comprises the following steps: performing heating reaction with terpene maleic anhydride and a diol as raw materials under stirring and the protection of inert gas to allow the system acid value to reach 5-10 mgKOH/g, and cooling; adding an unsaturated diacid into the reaction system, continuing to heat, when the system acid value reaches 50-70 mgKOH/g, vacuumizing the system till the acid value reaches 20-30 mgKOH/g, stopping the reaction to obtain terpene unsaturated polyester; cooling again, continuing to add carboxylic acid with an acrylic group into the reaction vessel for reaction, when the acid value reaches 4-10 mgKOH/g, performing decompression to remove the solvent and unreactedraw materials so as to obtain terpene polyester acrylate. Compared with the prior art, the invention allows the introduction of a stable ring-bridged structure of terpene maleic anhydride in the synthesis ...

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Номер записи: 5
30-05-2023 дата публикации

Optical fiber ring for optical fiber gyroscope, processing device and processing method

Номер: CN116182825A
Автор: XU GUOQING, JIN AIHONG, ZHANG TAO, LIU YAOYAO, LIU YUHUAN, GAO LYU, KANG JIACHENG
Принадлежит:

The invention discloses an optical fiber ring for an optical fiber gyroscope, a processing device and a processing method.The optical fiber ring comprises an optical fiber ring framework, the optical fiber ring framework is of an I-shaped ring structure, the outer ring wall between the upper end and the lower end of the optical fiber ring framework is an optical fiber winding ring face, and an optical fiber coiling face is arranged at the upper end of the optical fiber ring framework; the optical fiber coiling surface is provided with two fiber outlet spiral grooves for the two ends of the optical fiber ring to penetrate out. An annular groove is formed in the optical fiber coiling face around the center, an annular magnetic block is embedded in the annular groove in a damping mode, and a smooth bottom face is arranged at the lower end of the optical fiber ring framework. The center of the optical fiber coiling surface of the optical fiber ring skeleton is provided with a positioning recess ...

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Номер записи: 6
09-11-2011 дата публикации

Method for preparing ultraviolet (UV)-curable polyisocyanate modified superbranched epoxy acrylate

Номер: CN0102234268A
Автор: HUI XIE, TING WANG, LI HUANG, SONG TIAN, AIHONG JIN, TING QIAN, XIE HUI, WANG TING, HUANG LI, TIAN SONG, JIN AIHONG, QIAN TING
Принадлежит:

The invention relates to a method for preparing an ultraviolet(UV)-curable polyisocyanate modified superbranched epoxy acrylate, which comprises the following steps of: heating maleopimaric acid tri glycidyl ester, maleopimaric acid and a catalyst for esterification reaction to obtain rosin-based superbranched resin; cooling, and adding epoxy chloropropane, water and a catalyst for reaction to obtain superbranched epoxy resin; adding crylic acid, a catalyst and a polymerization inhibitor for reaction to obtain superbranched epoxy acrylic resin; and reacting the superbranched epoxy acrylic resin with ethylene glycol methacrylate terminated para toluene diisocyanate, a catalyst and a polymerization inhibitor to obtain the final product. Compared with the prior art, the method has the advantages that: rosinyl is introduced into superbranched polyester, and the hardness, strength and other special properties of the resin are improved and the curing speed is improved by utilizing the special ...

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Номер записи: 7
21-05-2014 дата публикации

Device and method for welding optical fibre and end cap

Номер: CN103809246A
Автор: ZHAO XIA, LIU LIHUA, FANG XUAN, ZHANG ENLONG, SU WU, YAN WEI, ZHANG TAO, JI JUNBING, JIN AIHONG
Принадлежит:

The invention relates to a device and a method for welding an optical fibre and an end cap. The device comprises the following components: a beam expansion and collimation lens (1) used for carrying out beam expansion and collimation on a laser emitted by a laser emitter, a reflector (2) used for reflecting and reversing the laser emitted out of the beam expansion and collimation lens (1), a rotary reflector (4) used for reflecting the laser reflected by the reflector (2) into a conical light beam, an off-axis parabolic reflector I (3) used for reflecting the conical light beam reflected and expanded by the rotary reflector (4) again into an annular light beam, and an off-axis parabolic reflector II (7) used for focusing the annular light beam reflected by the off-axis parabolic reflector I (3) on the welded portion of the optical fibre (5) and the quartz end cap (8). The device and the method for welding the optical fibre and the end cap are convenient to apply and weld, and good in welding ...

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Номер записи: 8